From 1c0cc775732201f4c4d3ee0d6772be786b3b4aa1 Mon Sep 17 00:00:00 2001 From: Uneven Prankster Date: Sun, 15 Oct 2023 21:28:29 -0300 Subject: A lot has certainly happened! --- raylib/src/rcore.c | 2989 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 2989 insertions(+) create mode 100644 raylib/src/rcore.c (limited to 'raylib/src/rcore.c') diff --git a/raylib/src/rcore.c b/raylib/src/rcore.c new file mode 100644 index 0000000..f94731f --- /dev/null +++ b/raylib/src/rcore.c @@ -0,0 +1,2989 @@ +/********************************************************************************************** +* +* rcore - Window/display management, Graphic device/context management and input management +* +* PLATFORMS SUPPORTED: +* - PLATFORM_DESKTOP: Windows (Win32, Win64) +* - PLATFORM_DESKTOP: Linux (X11 desktop mode) +* - PLATFORM_DESKTOP: FreeBSD, OpenBSD, NetBSD, DragonFly (X11 desktop) +* - PLATFORM_DESKTOP: OSX/macOS +* - PLATFORM_WEB: HTML5 (WebAssembly) +* - PLATFORM_DRM: Raspberry Pi 0-5 +* - PLATFORM_DRM: Linux native mode (KMS driver) +* - PLATFORM_ANDROID: Android (ARM, ARM64) +* +* CONFIGURATION: +* #define SUPPORT_DEFAULT_FONT (default) +* Default font is loaded on window initialization to be available for the user to render simple text. +* NOTE: If enabled, uses external module functions to load default raylib font (module: text) +* +* #define SUPPORT_CAMERA_SYSTEM +* Camera module is included (rcamera.h) and multiple predefined cameras are available: +* free, 1st/3rd person, orbital, custom +* +* #define SUPPORT_GESTURES_SYSTEM +* Gestures module is included (rgestures.h) to support gestures detection: tap, hold, swipe, drag +* +* #define SUPPORT_MOUSE_GESTURES +* Mouse gestures are directly mapped like touches and processed by gestures system. +* +* #define SUPPORT_BUSY_WAIT_LOOP +* Use busy wait loop for timing sync, if not defined, a high-resolution timer is setup and used +* +* #define SUPPORT_PARTIALBUSY_WAIT_LOOP +* Use a partial-busy wait loop, in this case frame sleeps for most of the time and runs a busy-wait-loop at the end +* +* #define SUPPORT_SCREEN_CAPTURE +* Allow automatic screen capture of current screen pressing F12, defined in KeyCallback() +* +* #define SUPPORT_GIF_RECORDING +* Allow automatic gif recording of current screen pressing CTRL+F12, defined in KeyCallback() +* +* #define SUPPORT_COMPRESSION_API +* Support CompressData() and DecompressData() functions, those functions use zlib implementation +* provided by stb_image and stb_image_write libraries, so, those libraries must be enabled on textures module +* for linkage +* +* #define SUPPORT_EVENTS_AUTOMATION +* Support automatic generated events, loading and recording of those events when required +* +* DEPENDENCIES: +* raymath - 3D math functionality (Vector2, Vector3, Matrix, Quaternion) +* camera - Multiple 3D camera modes (free, orbital, 1st person, 3rd person) +* gestures - Gestures system for touch-ready devices (or simulated from mouse inputs) +* +* +* LICENSE: zlib/libpng +* +* Copyright (c) 2013-2023 Ramon Santamaria (@raysan5) and contributors +* +* This software is provided "as-is", without any express or implied warranty. In no event +* will the authors be held liable for any damages arising from the use of this software. +* +* Permission is granted to anyone to use this software for any purpose, including commercial +* applications, and to alter it and redistribute it freely, subject to the following restrictions: +* +* 1. The origin of this software must not be misrepresented; you must not claim that you +* wrote the original software. If you use this software in a product, an acknowledgment +* in the product documentation would be appreciated but is not required. +* +* 2. Altered source versions must be plainly marked as such, and must not be misrepresented +* as being the original software. +* +* 3. This notice may not be removed or altered from any source distribution. +* +**********************************************************************************************/ + +#include "raylib.h" // Declares module functions + +// Check if config flags have been externally provided on compilation line +#if !defined(EXTERNAL_CONFIG_FLAGS) + #include "config.h" // Defines module configuration flags +#endif + +#include "rcore.h" // Defines types and globals + +#define RLGL_IMPLEMENTATION +#include "rlgl.h" // OpenGL abstraction layer to OpenGL 1.1, 3.3+ or ES2 + +#include "raymath.h" // Vector3, Quaternion and Matrix functionality + +#if defined(SUPPORT_GESTURES_SYSTEM) + #define RGESTURES_IMPLEMENTATION + #include "rgestures.h" // Gestures detection functionality +#endif + +#if defined(SUPPORT_CAMERA_SYSTEM) + #define RCAMERA_IMPLEMENTATION + #include "rcamera.h" // Camera system functionality +#endif + +#if defined(SUPPORT_GIF_RECORDING) + #define MSF_GIF_MALLOC(contextPointer, newSize) RL_MALLOC(newSize) + #define MSF_GIF_REALLOC(contextPointer, oldMemory, oldSize, newSize) RL_REALLOC(oldMemory, newSize) + #define MSF_GIF_FREE(contextPointer, oldMemory, oldSize) RL_FREE(oldMemory) + + #define MSF_GIF_IMPL + #include "external/msf_gif.h" // GIF recording functionality +#endif + +#if defined(SUPPORT_COMPRESSION_API) + #define SINFL_IMPLEMENTATION + #define SINFL_NO_SIMD + #include "external/sinfl.h" // Deflate (RFC 1951) decompressor + + #define SDEFL_IMPLEMENTATION + #include "external/sdefl.h" // Deflate (RFC 1951) compressor +#endif + +#if defined(__linux__) && !defined(_GNU_SOURCE) + #define _GNU_SOURCE +#endif + +// Platform specific defines to handle GetApplicationDirectory() +#if defined(_WIN32) + #ifndef MAX_PATH + #define MAX_PATH 1025 + #endif +__declspec(dllimport) unsigned long __stdcall GetModuleFileNameA(void *hModule, void *lpFilename, unsigned long nSize); +__declspec(dllimport) unsigned long __stdcall GetModuleFileNameW(void *hModule, void *lpFilename, unsigned long nSize); +__declspec(dllimport) int __stdcall WideCharToMultiByte(unsigned int cp, unsigned long flags, void *widestr, int cchwide, void *str, int cbmb, void *defchar, int *used_default); +#elif defined(__linux__) + #include +#elif defined(__APPLE__) + #include + #include +#endif // OSs + +#define _CRT_INTERNAL_NONSTDC_NAMES 1 +#include // Required for: stat(), S_ISREG [Used in GetFileModTime(), IsFilePath()] + +#if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG) + #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) +#endif + +#if defined(_WIN32) && (defined(_MSC_VER) || defined(__TINYC__)) + #define DIRENT_MALLOC RL_MALLOC + #define DIRENT_FREE RL_FREE + + #include "external/dirent.h" // Required for: DIR, opendir(), closedir() [Used in LoadDirectoryFiles()] +#else + #include // Required for: DIR, opendir(), closedir() [Used in LoadDirectoryFiles()] +#endif + +#if defined(_WIN32) + #include // Required for: _getch(), _chdir() + #define GETCWD _getcwd // NOTE: MSDN recommends not to use getcwd(), chdir() + #define CHDIR _chdir + #include // Required for: _access() [Used in FileExists()] +#else + #include // Required for: getch(), chdir() (POSIX), access() + #define GETCWD getcwd + #define CHDIR chdir +#endif + +//---------------------------------------------------------------------------------- +// Global Variables Definition +//---------------------------------------------------------------------------------- +RLAPI const char *raylib_version = RAYLIB_VERSION; // raylib version exported symbol, required for some bindings + +CoreData CORE = { 0 }; // Global CORE state context + +#if defined(SUPPORT_SCREEN_CAPTURE) +static int screenshotCounter = 0; // Screenshots counter +#endif + +#if defined(SUPPORT_GIF_RECORDING) +int gifFrameCounter = 0; // GIF frames counter +bool gifRecording = false; // GIF recording state +MsfGifState gifState = { 0 }; // MSGIF context state +#endif + +#if defined(SUPPORT_EVENTS_AUTOMATION) +#define MAX_CODE_AUTOMATION_EVENTS 16384 + +typedef enum AutomationEventType { + EVENT_NONE = 0, + // Input events + INPUT_KEY_UP, // param[0]: key + INPUT_KEY_DOWN, // param[0]: key + INPUT_KEY_PRESSED, // param[0]: key + INPUT_KEY_RELEASED, // param[0]: key + INPUT_MOUSE_BUTTON_UP, // param[0]: button + INPUT_MOUSE_BUTTON_DOWN, // param[0]: button + INPUT_MOUSE_POSITION, // param[0]: x, param[1]: y + INPUT_MOUSE_WHEEL_MOTION, // param[0]: x delta, param[1]: y delta + INPUT_GAMEPAD_CONNECT, // param[0]: gamepad + INPUT_GAMEPAD_DISCONNECT, // param[0]: gamepad + INPUT_GAMEPAD_BUTTON_UP, // param[0]: button + INPUT_GAMEPAD_BUTTON_DOWN, // param[0]: button + INPUT_GAMEPAD_AXIS_MOTION, // param[0]: axis, param[1]: delta + INPUT_TOUCH_UP, // param[0]: id + INPUT_TOUCH_DOWN, // param[0]: id + INPUT_TOUCH_POSITION, // param[0]: x, param[1]: y + INPUT_GESTURE, // param[0]: gesture + // Window events + WINDOW_CLOSE, // no params + WINDOW_MAXIMIZE, // no params + WINDOW_MINIMIZE, // no params + WINDOW_RESIZE, // param[0]: width, param[1]: height + // Custom events + ACTION_TAKE_SCREENSHOT, + ACTION_SETTARGETFPS +} AutomationEventType; + +// Event type +// Used to enable events flags +typedef enum { + EVENT_INPUT_KEYBOARD = 0, + EVENT_INPUT_MOUSE = 1, + EVENT_INPUT_GAMEPAD = 2, + EVENT_INPUT_TOUCH = 4, + EVENT_INPUT_GESTURE = 8, + EVENT_WINDOW = 16, + EVENT_CUSTOM = 32 +} EventType; + +static const char *autoEventTypeName[] = { + "EVENT_NONE", + "INPUT_KEY_UP", + "INPUT_KEY_DOWN", + "INPUT_KEY_PRESSED", + "INPUT_KEY_RELEASED", + "INPUT_MOUSE_BUTTON_UP", + "INPUT_MOUSE_BUTTON_DOWN", + "INPUT_MOUSE_POSITION", + "INPUT_MOUSE_WHEEL_MOTION", + "INPUT_GAMEPAD_CONNECT", + "INPUT_GAMEPAD_DISCONNECT", + "INPUT_GAMEPAD_BUTTON_UP", + "INPUT_GAMEPAD_BUTTON_DOWN", + "INPUT_GAMEPAD_AXIS_MOTION", + "INPUT_TOUCH_UP", + "INPUT_TOUCH_DOWN", + "INPUT_TOUCH_POSITION", + "INPUT_GESTURE", + "WINDOW_CLOSE", + "WINDOW_MAXIMIZE", + "WINDOW_MINIMIZE", + "WINDOW_RESIZE", + "ACTION_TAKE_SCREENSHOT", + "ACTION_SETTARGETFPS" +}; + +// Automation event (24 bytes) +typedef struct AutomationEvent { + unsigned int frame; // Event frame + unsigned int type; // Event type (AutomationEventType) + int params[4]; // Event parameters (if required) +} AutomationEvent; + +static AutomationEvent *events = NULL; // Events array +static unsigned int eventCount = 0; // Events count +static bool eventsPlaying = false; // Play events +static bool eventsRecording = false; // Record events + +//static short eventsEnabled = 0b0000001111111111; // Events enabled for checking +#endif +//----------------------------------------------------------------------------------- + +//---------------------------------------------------------------------------------- +// Module Functions Declaration +// NOTE: Those functions are common for all platforms! +//---------------------------------------------------------------------------------- + +#if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_DEFAULT_FONT) +extern void LoadFontDefault(void); // [Module: text] Loads default font on InitWindow() +extern void UnloadFontDefault(void); // [Module: text] Unloads default font from GPU memory +#endif + +static void InitTimer(void); // Initialize timer (hi-resolution if available) +static void SetupFramebuffer(int width, int height); // Setup main framebuffer +static void SetupViewport(int width, int height); // Set viewport for a provided width and height + +static void ScanDirectoryFiles(const char *basePath, FilePathList *list, const char *filter); // Scan all files and directories in a base path +static void ScanDirectoryFilesRecursively(const char *basePath, FilePathList *list, const char *filter); // Scan all files and directories recursively from a base path + +#if defined(SUPPORT_EVENTS_AUTOMATION) +static void LoadAutomationEvents(const char *fileName); // Load automation events from file +static void ExportAutomationEvents(const char *fileName); // Export recorded automation events into a file +static void RecordAutomationEvent(unsigned int frame); // Record frame events (to internal events array) +static void PlayAutomationEvent(unsigned int frame); // Play frame events (from internal events array) +#endif + +#if defined(_WIN32) +// NOTE: We declare Sleep() function symbol to avoid including windows.h (kernel32.lib linkage required) +void __stdcall Sleep(unsigned long msTimeout); // Required for: WaitTime() +#endif + +#if !defined(SUPPORT_MODULE_RTEXT) +const char *TextFormat(const char *text, ...); // Formatting of text with variables to 'embed' +#endif // !SUPPORT_MODULE_RTEXT + +// Include platform-specific submodules +#if defined(PLATFORM_DESKTOP) + #include "rcore_desktop.c" +#elif defined(PLATFORM_WEB) + #include "rcore_web.c" +#elif defined(PLATFORM_DRM) + #include "rcore_drm.c" +#elif defined(PLATFORM_ANDROID) + #include "rcore_android.c" +#else + // TODO: Include your custom platform backend! + // i.e software rendering backend or console backend! +#endif + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Window and Graphics Device +//---------------------------------------------------------------------------------- + +// NOTE: Functions with a platform-specific implementation on rcore_.c +//void InitWindow(int width, int height, const char *title) +//void CloseWindow(void) +//bool WindowShouldClose(void) +//void ToggleFullscreen(void) +//void ToggleBorderlessWindowed(void) +//void MaximizeWindow(void) +//void MinimizeWindow(void) +//void RestoreWindow(void) + +//void SetWindowState(unsigned int flags) +//void ClearWindowState(unsigned int flags) + +//void SetWindowIcon(Image image) +//void SetWindowIcons(Image *images, int count) +//void SetWindowTitle(const char *title) +//void SetWindowPosition(int x, int y) +//void SetWindowMonitor(int monitor) +//void SetWindowMinSize(int width, int height) +//void SetWindowMaxSize(int width, int height) +//void SetWindowSize(int width, int height) +//void SetWindowOpacity(float opacity) +//void SetWindowFocused(void) +//void *GetWindowHandle(void) +//Vector2 GetWindowPosition(void) +//Vector2 GetWindowScaleDPI(void) + +//int GetMonitorCount(void) +//int GetCurrentMonitor(void) +//int GetMonitorWidth(int monitor) +//int GetMonitorHeight(int monitor) +//int GetMonitorPhysicalWidth(int monitor) +//int GetMonitorPhysicalHeight(int monitor) +//int GetMonitorRefreshRate(int monitor) +//Vector2 GetMonitorPosition(int monitor) +//const char *GetMonitorName(int monitor) + +//void SetClipboardText(const char *text) +//const char *GetClipboardText(void) + +//void ShowCursor(void) +//void HideCursor(void) +//void EnableCursor(void) +//void DisableCursor(void) + +// Check if window has been initialized successfully +bool IsWindowReady(void) +{ + return CORE.Window.ready; +} + +// Check if window is currently fullscreen +bool IsWindowFullscreen(void) +{ + return CORE.Window.fullscreen; +} + +// Check if window is currently hidden +bool IsWindowHidden(void) +{ + return ((CORE.Window.flags & FLAG_WINDOW_HIDDEN) > 0); +} + +// Check if window has been minimized +bool IsWindowMinimized(void) +{ + return ((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) > 0); +} + +// Check if window has been maximized +bool IsWindowMaximized(void) +{ + return ((CORE.Window.flags & FLAG_WINDOW_MAXIMIZED) > 0); +} + +// Check if window has the focus +bool IsWindowFocused(void) +{ + return ((CORE.Window.flags & FLAG_WINDOW_UNFOCUSED) == 0); +} + +// Check if window has been resizedLastFrame +bool IsWindowResized(void) +{ + return CORE.Window.resizedLastFrame; +} + +// Check if one specific window flag is enabled +bool IsWindowState(unsigned int flag) +{ + return ((CORE.Window.flags & flag) > 0); +} + +// Get current screen width +int GetScreenWidth(void) +{ + return CORE.Window.screen.width; +} + +// Get current screen height +int GetScreenHeight(void) +{ + return CORE.Window.screen.height; +} + +// Get current render width which is equal to screen width*dpi scale +int GetRenderWidth(void) +{ + return CORE.Window.render.width; +} + +// Get current screen height which is equal to screen height*dpi scale +int GetRenderHeight(void) +{ + return CORE.Window.render.height; +} + +// Enable waiting for events on EndDrawing(), no automatic event polling +void EnableEventWaiting(void) +{ + CORE.Window.eventWaiting = true; +} + +// Disable waiting for events on EndDrawing(), automatic events polling +void DisableEventWaiting(void) +{ + CORE.Window.eventWaiting = false; +} + +// Check if cursor is not visible +bool IsCursorHidden(void) +{ + return CORE.Input.Mouse.cursorHidden; +} + +// Check if cursor is on the current screen. +bool IsCursorOnScreen(void) +{ + return CORE.Input.Mouse.cursorOnScreen; +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Screen Drawing +//---------------------------------------------------------------------------------- + +// Set background color (framebuffer clear color) +void ClearBackground(Color color) +{ + rlClearColor(color.r, color.g, color.b, color.a); // Set clear color + rlClearScreenBuffers(); // Clear current framebuffers +} + +// Setup canvas (framebuffer) to start drawing +void BeginDrawing(void) +{ + // WARNING: Previously to BeginDrawing() other render textures drawing could happen, + // consequently the measure for update vs draw is not accurate (only the total frame time is accurate) + + CORE.Time.current = GetTime(); // Number of elapsed seconds since InitTimer() + CORE.Time.update = CORE.Time.current - CORE.Time.previous; + CORE.Time.previous = CORE.Time.current; + + rlLoadIdentity(); // Reset current matrix (modelview) + rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); // Apply screen scaling + + //rlTranslatef(0.375, 0.375, 0); // HACK to have 2D pixel-perfect drawing on OpenGL 1.1 + // NOTE: Not required with OpenGL 3.3+ +} + +// End canvas drawing and swap buffers (double buffering) +void EndDrawing(void) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + +#if defined(SUPPORT_GIF_RECORDING) + // Draw record indicator + if (gifRecording) + { + #define GIF_RECORD_FRAMERATE 10 + gifFrameCounter++; + + // NOTE: We record one gif frame every 10 game frames + if ((gifFrameCounter%GIF_RECORD_FRAMERATE) == 0) + { + // Get image data for the current frame (from backbuffer) + // NOTE: This process is quite slow... :( + Vector2 scale = GetWindowScaleDPI(); + unsigned char *screenData = rlReadScreenPixels((int)((float)CORE.Window.render.width*scale.x), (int)((float)CORE.Window.render.height*scale.y)); + msf_gif_frame(&gifState, screenData, 10, 16, (int)((float)CORE.Window.render.width*scale.x)*4); + + RL_FREE(screenData); // Free image data + } + + #if defined(SUPPORT_MODULE_RSHAPES) && defined(SUPPORT_MODULE_RTEXT) + if (((gifFrameCounter/15)%2) == 1) + { + DrawCircle(30, CORE.Window.screen.height - 20, 10, MAROON); // WARNING: Module required: rshapes + DrawText("GIF RECORDING", 50, CORE.Window.screen.height - 25, 10, RED); // WARNING: Module required: rtext + } + #endif + + rlDrawRenderBatchActive(); // Update and draw internal render batch + } +#endif + +#if defined(SUPPORT_EVENTS_AUTOMATION) + // Draw record/play indicator + if (eventsRecording) + { + gifFrameCounter++; + + if (((gifFrameCounter/15)%2) == 1) + { + DrawCircle(30, CORE.Window.screen.height - 20, 10, MAROON); + DrawText("EVENTS RECORDING", 50, CORE.Window.screen.height - 25, 10, RED); + } + + rlDrawRenderBatchActive(); // Update and draw internal render batch + } + else if (eventsPlaying) + { + gifFrameCounter++; + + if (((gifFrameCounter/15)%2) == 1) + { + DrawCircle(30, CORE.Window.screen.height - 20, 10, LIME); + DrawText("EVENTS PLAYING", 50, CORE.Window.screen.height - 25, 10, GREEN); + } + + rlDrawRenderBatchActive(); // Update and draw internal render batch + } +#endif + +#if !defined(SUPPORT_CUSTOM_FRAME_CONTROL) + SwapScreenBuffer(); // Copy back buffer to front buffer (screen) + + // Frame time control system + CORE.Time.current = GetTime(); + CORE.Time.draw = CORE.Time.current - CORE.Time.previous; + CORE.Time.previous = CORE.Time.current; + + CORE.Time.frame = CORE.Time.update + CORE.Time.draw; + + // Wait for some milliseconds... + if (CORE.Time.frame < CORE.Time.target) + { + WaitTime(CORE.Time.target - CORE.Time.frame); + + CORE.Time.current = GetTime(); + double waitTime = CORE.Time.current - CORE.Time.previous; + CORE.Time.previous = CORE.Time.current; + + CORE.Time.frame += waitTime; // Total frame time: update + draw + wait + } + + PollInputEvents(); // Poll user events (before next frame update) +#endif + +#if defined(SUPPORT_EVENTS_AUTOMATION) + // Events recording and playing logic + if (eventsRecording) RecordAutomationEvent(CORE.Time.frameCounter); + else if (eventsPlaying) + { + // TODO: When should we play? After/before/replace PollInputEvents()? + if (CORE.Time.frameCounter >= eventCount) eventsPlaying = false; + PlayAutomationEvent(CORE.Time.frameCounter); + } +#endif + + CORE.Time.frameCounter++; +} + +// Initialize 2D mode with custom camera (2D) +void BeginMode2D(Camera2D camera) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlLoadIdentity(); // Reset current matrix (modelview) + + // Apply 2d camera transformation to modelview + rlMultMatrixf(MatrixToFloat(GetCameraMatrix2D(camera))); + + // Apply screen scaling if required + rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); +} + +// Ends 2D mode with custom camera +void EndMode2D(void) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlLoadIdentity(); // Reset current matrix (modelview) + rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); // Apply screen scaling if required +} + +// Initializes 3D mode with custom camera (3D) +void BeginMode3D(Camera camera) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlMatrixMode(RL_PROJECTION); // Switch to projection matrix + rlPushMatrix(); // Save previous matrix, which contains the settings for the 2d ortho projection + rlLoadIdentity(); // Reset current matrix (projection) + + float aspect = (float)CORE.Window.currentFbo.width/(float)CORE.Window.currentFbo.height; + + // NOTE: zNear and zFar values are important when computing depth buffer values + if (camera.projection == CAMERA_PERSPECTIVE) + { + // Setup perspective projection + double top = RL_CULL_DISTANCE_NEAR*tan(camera.fovy*0.5*DEG2RAD); + double right = top*aspect; + + rlFrustum(-right, right, -top, top, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + } + else if (camera.projection == CAMERA_ORTHOGRAPHIC) + { + // Setup orthographic projection + double top = camera.fovy/2.0; + double right = top*aspect; + + rlOrtho(-right, right, -top,top, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + } + + rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix + rlLoadIdentity(); // Reset current matrix (modelview) + + // Setup Camera view + Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up); + rlMultMatrixf(MatrixToFloat(matView)); // Multiply modelview matrix by view matrix (camera) + + rlEnableDepthTest(); // Enable DEPTH_TEST for 3D +} + +// Ends 3D mode and returns to default 2D orthographic mode +void EndMode3D(void) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlMatrixMode(RL_PROJECTION); // Switch to projection matrix + rlPopMatrix(); // Restore previous matrix (projection) from matrix stack + + rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix + rlLoadIdentity(); // Reset current matrix (modelview) + + rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); // Apply screen scaling if required + + rlDisableDepthTest(); // Disable DEPTH_TEST for 2D +} + +// Initializes render texture for drawing +void BeginTextureMode(RenderTexture2D target) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlEnableFramebuffer(target.id); // Enable render target + + // Set viewport and RLGL internal framebuffer size + rlViewport(0, 0, target.texture.width, target.texture.height); + rlSetFramebufferWidth(target.texture.width); + rlSetFramebufferHeight(target.texture.height); + + rlMatrixMode(RL_PROJECTION); // Switch to projection matrix + rlLoadIdentity(); // Reset current matrix (projection) + + // Set orthographic projection to current framebuffer size + // NOTE: Configured top-left corner as (0, 0) + rlOrtho(0, target.texture.width, target.texture.height, 0, 0.0f, 1.0f); + + rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix + rlLoadIdentity(); // Reset current matrix (modelview) + + //rlScalef(0.0f, -1.0f, 0.0f); // Flip Y-drawing (?) + + // Setup current width/height for proper aspect ratio + // calculation when using BeginMode3D() + CORE.Window.currentFbo.width = target.texture.width; + CORE.Window.currentFbo.height = target.texture.height; +} + +// Ends drawing to render texture +void EndTextureMode(void) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlDisableFramebuffer(); // Disable render target (fbo) + + // Set viewport to default framebuffer size + SetupViewport(CORE.Window.render.width, CORE.Window.render.height); + + // Reset current fbo to screen size + CORE.Window.currentFbo.width = CORE.Window.render.width; + CORE.Window.currentFbo.height = CORE.Window.render.height; +} + +// Begin custom shader mode +void BeginShaderMode(Shader shader) +{ + rlSetShader(shader.id, shader.locs); +} + +// End custom shader mode (returns to default shader) +void EndShaderMode(void) +{ + rlSetShader(rlGetShaderIdDefault(), rlGetShaderLocsDefault()); +} + +// Begin blending mode (alpha, additive, multiplied, subtract, custom) +// NOTE: Blend modes supported are enumerated in BlendMode enum +void BeginBlendMode(int mode) +{ + rlSetBlendMode(mode); +} + +// End blending mode (reset to default: alpha blending) +void EndBlendMode(void) +{ + rlSetBlendMode(BLEND_ALPHA); +} + +// Begin scissor mode (define screen area for following drawing) +// NOTE: Scissor rec refers to bottom-left corner, we change it to upper-left +void BeginScissorMode(int x, int y, int width, int height) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + + rlEnableScissorTest(); + +#if defined(__APPLE__) + Vector2 scale = GetWindowScaleDPI(); + rlScissor((int)(x*scale.x), (int)(GetScreenHeight()*scale.y - (((y + height)*scale.y))), (int)(width*scale.x), (int)(height*scale.y)); +#else + if ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0) + { + Vector2 scale = GetWindowScaleDPI(); + rlScissor((int)(x*scale.x), (int)(CORE.Window.currentFbo.height - (y + height)*scale.y), (int)(width*scale.x), (int)(height*scale.y)); + } + else + { + rlScissor(x, CORE.Window.currentFbo.height - (y + height), width, height); + } +#endif +} + +// End scissor mode +void EndScissorMode(void) +{ + rlDrawRenderBatchActive(); // Update and draw internal render batch + rlDisableScissorTest(); +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: VR Stereo Rendering +//---------------------------------------------------------------------------------- + +// Begin VR drawing configuration +void BeginVrStereoMode(VrStereoConfig config) +{ + rlEnableStereoRender(); + + // Set stereo render matrices + rlSetMatrixProjectionStereo(config.projection[0], config.projection[1]); + rlSetMatrixViewOffsetStereo(config.viewOffset[0], config.viewOffset[1]); +} + +// End VR drawing process (and desktop mirror) +void EndVrStereoMode(void) +{ + rlDisableStereoRender(); +} + +// Load VR stereo config for VR simulator device parameters +VrStereoConfig LoadVrStereoConfig(VrDeviceInfo device) +{ + VrStereoConfig config = { 0 }; + + if (rlGetVersion() != RL_OPENGL_11) + { + // Compute aspect ratio + float aspect = ((float)device.hResolution*0.5f)/(float)device.vResolution; + + // Compute lens parameters + float lensShift = (device.hScreenSize*0.25f - device.lensSeparationDistance*0.5f)/device.hScreenSize; + config.leftLensCenter[0] = 0.25f + lensShift; + config.leftLensCenter[1] = 0.5f; + config.rightLensCenter[0] = 0.75f - lensShift; + config.rightLensCenter[1] = 0.5f; + config.leftScreenCenter[0] = 0.25f; + config.leftScreenCenter[1] = 0.5f; + config.rightScreenCenter[0] = 0.75f; + config.rightScreenCenter[1] = 0.5f; + + // Compute distortion scale parameters + // NOTE: To get lens max radius, lensShift must be normalized to [-1..1] + float lensRadius = fabsf(-1.0f - 4.0f*lensShift); + float lensRadiusSq = lensRadius*lensRadius; + float distortionScale = device.lensDistortionValues[0] + + device.lensDistortionValues[1]*lensRadiusSq + + device.lensDistortionValues[2]*lensRadiusSq*lensRadiusSq + + device.lensDistortionValues[3]*lensRadiusSq*lensRadiusSq*lensRadiusSq; + + float normScreenWidth = 0.5f; + float normScreenHeight = 1.0f; + config.scaleIn[0] = 2.0f/normScreenWidth; + config.scaleIn[1] = 2.0f/normScreenHeight/aspect; + config.scale[0] = normScreenWidth*0.5f/distortionScale; + config.scale[1] = normScreenHeight*0.5f*aspect/distortionScale; + + // Fovy is normally computed with: 2*atan2f(device.vScreenSize, 2*device.eyeToScreenDistance) + // ...but with lens distortion it is increased (see Oculus SDK Documentation) + float fovy = 2.0f*atan2f(device.vScreenSize*0.5f*distortionScale, device.eyeToScreenDistance); // Really need distortionScale? + // float fovy = 2.0f*(float)atan2f(device.vScreenSize*0.5f, device.eyeToScreenDistance); + + // Compute camera projection matrices + float projOffset = 4.0f*lensShift; // Scaled to projection space coordinates [-1..1] + Matrix proj = MatrixPerspective(fovy, aspect, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + + config.projection[0] = MatrixMultiply(proj, MatrixTranslate(projOffset, 0.0f, 0.0f)); + config.projection[1] = MatrixMultiply(proj, MatrixTranslate(-projOffset, 0.0f, 0.0f)); + + // Compute camera transformation matrices + // NOTE: Camera movement might seem more natural if we model the head. + // Our axis of rotation is the base of our head, so we might want to add + // some y (base of head to eye level) and -z (center of head to eye protrusion) to the camera positions. + config.viewOffset[0] = MatrixTranslate(-device.interpupillaryDistance*0.5f, 0.075f, 0.045f); + config.viewOffset[1] = MatrixTranslate(device.interpupillaryDistance*0.5f, 0.075f, 0.045f); + + // Compute eyes Viewports + /* + config.eyeViewportRight[0] = 0; + config.eyeViewportRight[1] = 0; + config.eyeViewportRight[2] = device.hResolution/2; + config.eyeViewportRight[3] = device.vResolution; + + config.eyeViewportLeft[0] = device.hResolution/2; + config.eyeViewportLeft[1] = 0; + config.eyeViewportLeft[2] = device.hResolution/2; + config.eyeViewportLeft[3] = device.vResolution; + */ + } + else TRACELOG(LOG_WARNING, "RLGL: VR Simulator not supported on OpenGL 1.1"); + + return config; +} + +// Unload VR stereo config properties +void UnloadVrStereoConfig(VrStereoConfig config) +{ + TRACELOG(LOG_INFO, "UnloadVrStereoConfig not implemented in rcore.c"); +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Shaders Management +//---------------------------------------------------------------------------------- + +// Load shader from files and bind default locations +// NOTE: If shader string is NULL, using default vertex/fragment shaders +Shader LoadShader(const char *vsFileName, const char *fsFileName) +{ + Shader shader = { 0 }; + + char *vShaderStr = NULL; + char *fShaderStr = NULL; + + if (vsFileName != NULL) vShaderStr = LoadFileText(vsFileName); + if (fsFileName != NULL) fShaderStr = LoadFileText(fsFileName); + + shader = LoadShaderFromMemory(vShaderStr, fShaderStr); + + UnloadFileText(vShaderStr); + UnloadFileText(fShaderStr); + + return shader; +} + +// Load shader from code strings and bind default locations +Shader LoadShaderFromMemory(const char *vsCode, const char *fsCode) +{ + Shader shader = { 0 }; + + shader.id = rlLoadShaderCode(vsCode, fsCode); + + // After shader loading, we TRY to set default location names + if (shader.id > 0) + { + // Default shader attribute locations have been binded before linking: + // vertex position location = 0 + // vertex texcoord location = 1 + // vertex normal location = 2 + // vertex color location = 3 + // vertex tangent location = 4 + // vertex texcoord2 location = 5 + + // NOTE: If any location is not found, loc point becomes -1 + + shader.locs = (int *)RL_CALLOC(RL_MAX_SHADER_LOCATIONS, sizeof(int)); + + // All locations reset to -1 (no location) + for (int i = 0; i < RL_MAX_SHADER_LOCATIONS; i++) shader.locs[i] = -1; + + // Get handles to GLSL input attribute locations + shader.locs[SHADER_LOC_VERTEX_POSITION] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_POSITION); + shader.locs[SHADER_LOC_VERTEX_TEXCOORD01] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD); + shader.locs[SHADER_LOC_VERTEX_TEXCOORD02] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2); + shader.locs[SHADER_LOC_VERTEX_NORMAL] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_NORMAL); + shader.locs[SHADER_LOC_VERTEX_TANGENT] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_TANGENT); + shader.locs[SHADER_LOC_VERTEX_COLOR] = rlGetLocationAttrib(shader.id, RL_DEFAULT_SHADER_ATTRIB_NAME_COLOR); + + // Get handles to GLSL uniform locations (vertex shader) + shader.locs[SHADER_LOC_MATRIX_MVP] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_MVP); + shader.locs[SHADER_LOC_MATRIX_VIEW] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_VIEW); + shader.locs[SHADER_LOC_MATRIX_PROJECTION] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_PROJECTION); + shader.locs[SHADER_LOC_MATRIX_MODEL] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_MODEL); + shader.locs[SHADER_LOC_MATRIX_NORMAL] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_NORMAL); + + // Get handles to GLSL uniform locations (fragment shader) + shader.locs[SHADER_LOC_COLOR_DIFFUSE] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_UNIFORM_NAME_COLOR); + shader.locs[SHADER_LOC_MAP_DIFFUSE] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE0); // SHADER_LOC_MAP_ALBEDO + shader.locs[SHADER_LOC_MAP_SPECULAR] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE1); // SHADER_LOC_MAP_METALNESS + shader.locs[SHADER_LOC_MAP_NORMAL] = rlGetLocationUniform(shader.id, RL_DEFAULT_SHADER_SAMPLER2D_NAME_TEXTURE2); + } + + return shader; +} + +// Check if a shader is ready +bool IsShaderReady(Shader shader) +{ + return ((shader.id > 0) && // Validate shader id (loaded successfully) + (shader.locs != NULL)); // Validate memory has been allocated for default shader locations + + // The following locations are tried to be set automatically (locs[i] >= 0), + // any of them can be checked for validation but the only mandatory one is, afaik, SHADER_LOC_VERTEX_POSITION + // NOTE: Users can also setup manually their own attributes/uniforms and do not used the default raylib ones + + // Vertex shader attribute locations (default) + // shader.locs[SHADER_LOC_VERTEX_POSITION] // Set by default internal shader + // shader.locs[SHADER_LOC_VERTEX_TEXCOORD01] // Set by default internal shader + // shader.locs[SHADER_LOC_VERTEX_TEXCOORD02] + // shader.locs[SHADER_LOC_VERTEX_NORMAL] + // shader.locs[SHADER_LOC_VERTEX_TANGENT] + // shader.locs[SHADER_LOC_VERTEX_COLOR] // Set by default internal shader + + // Vertex shader uniform locations (default) + // shader.locs[SHADER_LOC_MATRIX_MVP] // Set by default internal shader + // shader.locs[SHADER_LOC_MATRIX_VIEW] + // shader.locs[SHADER_LOC_MATRIX_PROJECTION] + // shader.locs[SHADER_LOC_MATRIX_MODEL] + // shader.locs[SHADER_LOC_MATRIX_NORMAL] + + // Fragment shader uniform locations (default) + // shader.locs[SHADER_LOC_COLOR_DIFFUSE] // Set by default internal shader + // shader.locs[SHADER_LOC_MAP_DIFFUSE] // Set by default internal shader + // shader.locs[SHADER_LOC_MAP_SPECULAR] + // shader.locs[SHADER_LOC_MAP_NORMAL] +} + +// Unload shader from GPU memory (VRAM) +void UnloadShader(Shader shader) +{ + if (shader.id != rlGetShaderIdDefault()) + { + rlUnloadShaderProgram(shader.id); + + // NOTE: If shader loading failed, it should be 0 + RL_FREE(shader.locs); + } +} + +// Get shader uniform location +int GetShaderLocation(Shader shader, const char *uniformName) +{ + return rlGetLocationUniform(shader.id, uniformName); +} + +// Get shader attribute location +int GetShaderLocationAttrib(Shader shader, const char *attribName) +{ + return rlGetLocationAttrib(shader.id, attribName); +} + +// Set shader uniform value +void SetShaderValue(Shader shader, int locIndex, const void *value, int uniformType) +{ + SetShaderValueV(shader, locIndex, value, uniformType, 1); +} + +// Set shader uniform value vector +void SetShaderValueV(Shader shader, int locIndex, const void *value, int uniformType, int count) +{ + if (locIndex > -1) + { + rlEnableShader(shader.id); + rlSetUniform(locIndex, value, uniformType, count); + //rlDisableShader(); // Avoid resetting current shader program, in case other uniforms are set + } +} + +// Set shader uniform value (matrix 4x4) +void SetShaderValueMatrix(Shader shader, int locIndex, Matrix mat) +{ + if (locIndex > -1) + { + rlEnableShader(shader.id); + rlSetUniformMatrix(locIndex, mat); + //rlDisableShader(); + } +} + +// Set shader uniform value for texture +void SetShaderValueTexture(Shader shader, int locIndex, Texture2D texture) +{ + if (locIndex > -1) + { + rlEnableShader(shader.id); + rlSetUniformSampler(locIndex, texture.id); + //rlDisableShader(); + } +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Screen-space Queries +//---------------------------------------------------------------------------------- + +// Get a ray trace from mouse position +Ray GetMouseRay(Vector2 mouse, Camera camera) +{ + Ray ray = { 0 }; + + // Calculate normalized device coordinates + // NOTE: y value is negative + float x = (2.0f*mouse.x)/(float)GetScreenWidth() - 1.0f; + float y = 1.0f - (2.0f*mouse.y)/(float)GetScreenHeight(); + float z = 1.0f; + + // Store values in a vector + Vector3 deviceCoords = { x, y, z }; + + // Calculate view matrix from camera look at + Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up); + + Matrix matProj = MatrixIdentity(); + + if (camera.projection == CAMERA_PERSPECTIVE) + { + // Calculate projection matrix from perspective + matProj = MatrixPerspective(camera.fovy*DEG2RAD, ((double)GetScreenWidth()/(double)GetScreenHeight()), RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + } + else if (camera.projection == CAMERA_ORTHOGRAPHIC) + { + double aspect = (double)CORE.Window.screen.width/(double)CORE.Window.screen.height; + double top = camera.fovy/2.0; + double right = top*aspect; + + // Calculate projection matrix from orthographic + matProj = MatrixOrtho(-right, right, -top, top, 0.01, 1000.0); + } + + // Unproject far/near points + Vector3 nearPoint = Vector3Unproject((Vector3){ deviceCoords.x, deviceCoords.y, 0.0f }, matProj, matView); + Vector3 farPoint = Vector3Unproject((Vector3){ deviceCoords.x, deviceCoords.y, 1.0f }, matProj, matView); + + // Unproject the mouse cursor in the near plane. + // We need this as the source position because orthographic projects, compared to perspective doesn't have a + // convergence point, meaning that the "eye" of the camera is more like a plane than a point. + Vector3 cameraPlanePointerPos = Vector3Unproject((Vector3){ deviceCoords.x, deviceCoords.y, -1.0f }, matProj, matView); + + // Calculate normalized direction vector + Vector3 direction = Vector3Normalize(Vector3Subtract(farPoint, nearPoint)); + + if (camera.projection == CAMERA_PERSPECTIVE) ray.position = camera.position; + else if (camera.projection == CAMERA_ORTHOGRAPHIC) ray.position = cameraPlanePointerPos; + + // Apply calculated vectors to ray + ray.direction = direction; + + return ray; +} + +// Get transform matrix for camera +Matrix GetCameraMatrix(Camera camera) +{ + return MatrixLookAt(camera.position, camera.target, camera.up); +} + +// Get camera 2d transform matrix +Matrix GetCameraMatrix2D(Camera2D camera) +{ + Matrix matTransform = { 0 }; + // The camera in world-space is set by + // 1. Move it to target + // 2. Rotate by -rotation and scale by (1/zoom) + // When setting higher scale, it's more intuitive for the world to become bigger (= camera become smaller), + // not for the camera getting bigger, hence the invert. Same deal with rotation. + // 3. Move it by (-offset); + // Offset defines target transform relative to screen, but since we're effectively "moving" screen (camera) + // we need to do it into opposite direction (inverse transform) + + // Having camera transform in world-space, inverse of it gives the modelview transform. + // Since (A*B*C)' = C'*B'*A', the modelview is + // 1. Move to offset + // 2. Rotate and Scale + // 3. Move by -target + Matrix matOrigin = MatrixTranslate(-camera.target.x, -camera.target.y, 0.0f); + Matrix matRotation = MatrixRotate((Vector3){ 0.0f, 0.0f, 1.0f }, camera.rotation*DEG2RAD); + Matrix matScale = MatrixScale(camera.zoom, camera.zoom, 1.0f); + Matrix matTranslation = MatrixTranslate(camera.offset.x, camera.offset.y, 0.0f); + + matTransform = MatrixMultiply(MatrixMultiply(matOrigin, MatrixMultiply(matScale, matRotation)), matTranslation); + + return matTransform; +} + +// Get the screen space position from a 3d world space position +Vector2 GetWorldToScreen(Vector3 position, Camera camera) +{ + Vector2 screenPosition = GetWorldToScreenEx(position, camera, GetScreenWidth(), GetScreenHeight()); + + return screenPosition; +} + +// Get size position for a 3d world space position (useful for texture drawing) +Vector2 GetWorldToScreenEx(Vector3 position, Camera camera, int width, int height) +{ + // Calculate projection matrix (from perspective instead of frustum + Matrix matProj = MatrixIdentity(); + + if (camera.projection == CAMERA_PERSPECTIVE) + { + // Calculate projection matrix from perspective + matProj = MatrixPerspective(camera.fovy*DEG2RAD, ((double)width/(double)height), RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + } + else if (camera.projection == CAMERA_ORTHOGRAPHIC) + { + double aspect = (double)width/(double)height; + double top = camera.fovy/2.0; + double right = top*aspect; + + // Calculate projection matrix from orthographic + matProj = MatrixOrtho(-right, right, -top, top, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + } + + // Calculate view matrix from camera look at (and transpose it) + Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up); + + // TODO: Why not use Vector3Transform(Vector3 v, Matrix mat)? + + // Convert world position vector to quaternion + Quaternion worldPos = { position.x, position.y, position.z, 1.0f }; + + // Transform world position to view + worldPos = QuaternionTransform(worldPos, matView); + + // Transform result to projection (clip space position) + worldPos = QuaternionTransform(worldPos, matProj); + + // Calculate normalized device coordinates (inverted y) + Vector3 ndcPos = { worldPos.x/worldPos.w, -worldPos.y/worldPos.w, worldPos.z/worldPos.w }; + + // Calculate 2d screen position vector + Vector2 screenPosition = { (ndcPos.x + 1.0f)/2.0f*(float)width, (ndcPos.y + 1.0f)/2.0f*(float)height }; + + return screenPosition; +} + +// Get the screen space position for a 2d camera world space position +Vector2 GetWorldToScreen2D(Vector2 position, Camera2D camera) +{ + Matrix matCamera = GetCameraMatrix2D(camera); + Vector3 transform = Vector3Transform((Vector3){ position.x, position.y, 0 }, matCamera); + + return (Vector2){ transform.x, transform.y }; +} + +// Get the world space position for a 2d camera screen space position +Vector2 GetScreenToWorld2D(Vector2 position, Camera2D camera) +{ + Matrix invMatCamera = MatrixInvert(GetCameraMatrix2D(camera)); + Vector3 transform = Vector3Transform((Vector3){ position.x, position.y, 0 }, invMatCamera); + + return (Vector2){ transform.x, transform.y }; +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Timming +//---------------------------------------------------------------------------------- + +// NOTE: Functions with a platform-specific implementation on rcore_.c +//double GetTime(void) + +// Set target FPS (maximum) +void SetTargetFPS(int fps) +{ + if (fps < 1) CORE.Time.target = 0.0; + else CORE.Time.target = 1.0/(double)fps; + + TRACELOG(LOG_INFO, "TIMER: Target time per frame: %02.03f milliseconds", (float)CORE.Time.target*1000.0f); +} + +// Get current FPS +// NOTE: We calculate an average framerate +int GetFPS(void) +{ + int fps = 0; + +#if !defined(SUPPORT_CUSTOM_FRAME_CONTROL) + #define FPS_CAPTURE_FRAMES_COUNT 30 // 30 captures + #define FPS_AVERAGE_TIME_SECONDS 0.5f // 500 milliseconds + #define FPS_STEP (FPS_AVERAGE_TIME_SECONDS/FPS_CAPTURE_FRAMES_COUNT) + + static int index = 0; + static float history[FPS_CAPTURE_FRAMES_COUNT] = { 0 }; + static float average = 0, last = 0; + float fpsFrame = GetFrameTime(); + + if (fpsFrame == 0) return 0; + + if ((GetTime() - last) > FPS_STEP) + { + last = (float)GetTime(); + index = (index + 1)%FPS_CAPTURE_FRAMES_COUNT; + average -= history[index]; + history[index] = fpsFrame/FPS_CAPTURE_FRAMES_COUNT; + average += history[index]; + } + + fps = (int)roundf(1.0f/average); +#endif + + return fps; +} + +// Get time in seconds for last frame drawn (delta time) +float GetFrameTime(void) +{ + return (float)CORE.Time.frame; +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Custom frame control +//---------------------------------------------------------------------------------- + +// NOTE: Functions with a platform-specific implementation on rcore_.c +//void SwapScreenBuffer(void); +//void PollInputEvents(void); + +// Wait for some time (stop program execution) +// NOTE: Sleep() granularity could be around 10 ms, it means, Sleep() could +// take longer than expected... for that reason we use the busy wait loop +// Ref: http://stackoverflow.com/questions/43057578/c-programming-win32-games-sleep-taking-longer-than-expected +// Ref: http://www.geisswerks.com/ryan/FAQS/timing.html --> All about timing on Win32! +void WaitTime(double seconds) +{ + if (seconds < 0) return; + +#if defined(SUPPORT_BUSY_WAIT_LOOP) || defined(SUPPORT_PARTIALBUSY_WAIT_LOOP) + double destinationTime = GetTime() + seconds; +#endif + +#if defined(SUPPORT_BUSY_WAIT_LOOP) + while (GetTime() < destinationTime) { } +#else + #if defined(SUPPORT_PARTIALBUSY_WAIT_LOOP) + double sleepSeconds = seconds - seconds*0.05; // NOTE: We reserve a percentage of the time for busy waiting + #else + double sleepSeconds = seconds; + #endif + + // System halt functions + #if defined(_WIN32) + Sleep((unsigned long)(sleepSeconds*1000.0)); + #endif + #if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__EMSCRIPTEN__) + struct timespec req = { 0 }; + time_t sec = sleepSeconds; + long nsec = (sleepSeconds - sec)*1000000000L; + req.tv_sec = sec; + req.tv_nsec = nsec; + + // NOTE: Use nanosleep() on Unix platforms... usleep() it's deprecated. + while (nanosleep(&req, &req) == -1) continue; + #endif + #if defined(__APPLE__) + usleep(sleepSeconds*1000000.0); + #endif + + #if defined(SUPPORT_PARTIALBUSY_WAIT_LOOP) + while (GetTime() < destinationTime) { } + #endif +#endif +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Misc +//---------------------------------------------------------------------------------- + +// NOTE: Functions with a platform-specific implementation on rcore_.c +//void OpenURL(const char *url) + +// Get a random value between min and max (both included) +// WARNING: Ranges higher than RAND_MAX will return invalid results +// More specifically, if (max - min) > INT_MAX there will be an overflow, +// and otherwise if (max - min) > RAND_MAX the random value will incorrectly never exceed a certain threshold +int GetRandomValue(int min, int max) +{ + if (min > max) + { + int tmp = max; + max = min; + min = tmp; + } + + if ((unsigned int)(max - min) > (unsigned int)RAND_MAX) + { + TRACELOG(LOG_WARNING, "Invalid GetRandomValue() arguments, range should not be higher than %i", RAND_MAX); + } + + return (rand()%(abs(max - min) + 1) + min); +} + +// Set the seed for the random number generator +void SetRandomSeed(unsigned int seed) +{ + srand(seed); +} + +// Takes a screenshot of current screen (saved a .png) +void TakeScreenshot(const char *fileName) +{ +#if defined(SUPPORT_MODULE_RTEXTURES) + // Security check to (partially) avoid malicious code + if (strchr(fileName, '\'') != NULL) { TRACELOG(LOG_WARNING, "SYSTEM: Provided fileName could be potentially malicious, avoid [\'] character"); return; } + + Vector2 scale = GetWindowScaleDPI(); + unsigned char *imgData = rlReadScreenPixels((int)((float)CORE.Window.render.width*scale.x), (int)((float)CORE.Window.render.height*scale.y)); + Image image = { imgData, (int)((float)CORE.Window.render.width*scale.x), (int)((float)CORE.Window.render.height*scale.y), 1, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8 }; + + char path[512] = { 0 }; + strcpy(path, TextFormat("%s/%s", CORE.Storage.basePath, fileName)); + + ExportImage(image, path); // WARNING: Module required: rtextures + RL_FREE(imgData); + + TRACELOG(LOG_INFO, "SYSTEM: [%s] Screenshot taken successfully", path); +#else + TRACELOG(LOG_WARNING,"IMAGE: ExportImage() requires module: rtextures"); +#endif +} + +// Setup window configuration flags (view FLAGS) +// NOTE: This function is expected to be called before window creation, +// because it sets up some flags for the window creation process. +// To configure window states after creation, just use SetWindowState() +void SetConfigFlags(unsigned int flags) +{ + // Selected flags are set but not evaluated at this point, + // flag evaluation happens at InitWindow() or SetWindowState() + CORE.Window.flags |= flags; +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: File system +//---------------------------------------------------------------------------------- + +// Check if the file exists +bool FileExists(const char *fileName) +{ + bool result = false; + +#if defined(_WIN32) + if (_access(fileName, 0) != -1) result = true; +#else + if (access(fileName, F_OK) != -1) result = true; +#endif + + // NOTE: Alternatively, stat() can be used instead of access() + //#include + //struct stat statbuf; + //if (stat(filename, &statbuf) == 0) result = true; + + return result; +} + +// Check file extension +// NOTE: Extensions checking is not case-sensitive +bool IsFileExtension(const char *fileName, const char *ext) +{ + #define MAX_FILE_EXTENSION_SIZE 16 + + bool result = false; + const char *fileExt = GetFileExtension(fileName); + + if (fileExt != NULL) + { +#if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_TEXT_MANIPULATION) + int extCount = 0; + const char **checkExts = TextSplit(ext, ';', &extCount); // WARNING: Module required: rtext + + char fileExtLower[MAX_FILE_EXTENSION_SIZE + 1] = { 0 }; + strncpy(fileExtLower, TextToLower(fileExt), MAX_FILE_EXTENSION_SIZE); // WARNING: Module required: rtext + + for (int i = 0; i < extCount; i++) + { + if (strcmp(fileExtLower, TextToLower(checkExts[i])) == 0) + { + result = true; + break; + } + } +#else + if (strcmp(fileExt, ext) == 0) result = true; +#endif + } + + return result; +} + +// Check if a directory path exists +bool DirectoryExists(const char *dirPath) +{ + bool result = false; + DIR *dir = opendir(dirPath); + + if (dir != NULL) + { + result = true; + closedir(dir); + } + + return result; +} + +// Get file length in bytes +// NOTE: GetFileSize() conflicts with windows.h +int GetFileLength(const char *fileName) +{ + int size = 0; + + // NOTE: On Unix-like systems, it can by used the POSIX system call: stat(), + // but depending on the platform that call could not be available + //struct stat result = { 0 }; + //stat(fileName, &result); + //return result.st_size; + + FILE *file = fopen(fileName, "rb"); + + if (file != NULL) + { + fseek(file, 0L, SEEK_END); + long int fileSize = ftell(file); + + // Check for size overflow (INT_MAX) + if (fileSize > 2147483647) TRACELOG(LOG_WARNING, "[%s] File size overflows expected limit, do not use GetFileLength()", fileName); + else size = (int)fileSize; + + fclose(file); + } + + return size; +} + +// Get pointer to extension for a filename string (includes the dot: .png) +const char *GetFileExtension(const char *fileName) +{ + const char *dot = strrchr(fileName, '.'); + + if (!dot || dot == fileName) return NULL; + + return dot; +} + +// String pointer reverse break: returns right-most occurrence of charset in s +static const char *strprbrk(const char *s, const char *charset) +{ + const char *latestMatch = NULL; + for (; s = strpbrk(s, charset), s != NULL; latestMatch = s++) { } + return latestMatch; +} + +// Get pointer to filename for a path string +const char *GetFileName(const char *filePath) +{ + const char *fileName = NULL; + if (filePath != NULL) fileName = strprbrk(filePath, "\\/"); + + if (!fileName) return filePath; + + return fileName + 1; +} + +// Get filename string without extension (uses static string) +const char *GetFileNameWithoutExt(const char *filePath) +{ + #define MAX_FILENAMEWITHOUTEXT_LENGTH 256 + + static char fileName[MAX_FILENAMEWITHOUTEXT_LENGTH] = { 0 }; + memset(fileName, 0, MAX_FILENAMEWITHOUTEXT_LENGTH); + + if (filePath != NULL) strcpy(fileName, GetFileName(filePath)); // Get filename with extension + + int size = (int)strlen(fileName); // Get size in bytes + + for (int i = 0; (i < size) && (i < MAX_FILENAMEWITHOUTEXT_LENGTH); i++) + { + if (fileName[i] == '.') + { + // NOTE: We break on first '.' found + fileName[i] = '\0'; + break; + } + } + + return fileName; +} + +// Get directory for a given filePath +const char *GetDirectoryPath(const char *filePath) +{ + /* + // NOTE: Directory separator is different in Windows and other platforms, + // fortunately, Windows also support the '/' separator, that's the one should be used + #if defined(_WIN32) + char separator = '\\'; + #else + char separator = '/'; + #endif + */ + const char *lastSlash = NULL; + static char dirPath[MAX_FILEPATH_LENGTH] = { 0 }; + memset(dirPath, 0, MAX_FILEPATH_LENGTH); + + // In case provided path does not contain a root drive letter (C:\, D:\) nor leading path separator (\, /), + // we add the current directory path to dirPath + if (filePath[1] != ':' && filePath[0] != '\\' && filePath[0] != '/') + { + // For security, we set starting path to current directory, + // obtained path will be concatenated to this + dirPath[0] = '.'; + dirPath[1] = '/'; + } + + lastSlash = strprbrk(filePath, "\\/"); + if (lastSlash) + { + if (lastSlash == filePath) + { + // The last and only slash is the leading one: path is in a root directory + dirPath[0] = filePath[0]; + dirPath[1] = '\0'; + } + else + { + // NOTE: Be careful, strncpy() is not safe, it does not care about '\0' + char *dirPathPtr = dirPath; + if ((filePath[1] != ':') && (filePath[0] != '\\') && (filePath[0] != '/')) dirPathPtr += 2; // Skip drive letter, "C:" + memcpy(dirPathPtr, filePath, strlen(filePath) - (strlen(lastSlash) - 1)); + dirPath[strlen(filePath) - strlen(lastSlash) + (((filePath[1] != ':') && (filePath[0] != '\\') && (filePath[0] != '/'))? 2 : 0)] = '\0'; // Add '\0' manually + } + } + + return dirPath; +} + +// Get previous directory path for a given path +const char *GetPrevDirectoryPath(const char *dirPath) +{ + static char prevDirPath[MAX_FILEPATH_LENGTH] = { 0 }; + memset(prevDirPath, 0, MAX_FILEPATH_LENGTH); + int pathLen = (int)strlen(dirPath); + + if (pathLen <= 3) strcpy(prevDirPath, dirPath); + + for (int i = (pathLen - 1); (i >= 0) && (pathLen > 3); i--) + { + if ((dirPath[i] == '\\') || (dirPath[i] == '/')) + { + // Check for root: "C:\" or "/" + if (((i == 2) && (dirPath[1] ==':')) || (i == 0)) i++; + + strncpy(prevDirPath, dirPath, i); + break; + } + } + + return prevDirPath; +} + +// Get current working directory +const char *GetWorkingDirectory(void) +{ + static char currentDir[MAX_FILEPATH_LENGTH] = { 0 }; + memset(currentDir, 0, MAX_FILEPATH_LENGTH); + + char *path = GETCWD(currentDir, MAX_FILEPATH_LENGTH - 1); + + return path; +} + +const char *GetApplicationDirectory(void) +{ + static char appDir[MAX_FILEPATH_LENGTH] = { 0 }; + memset(appDir, 0, MAX_FILEPATH_LENGTH); + +#if defined(_WIN32) + int len = 0; +#if defined(UNICODE) + unsigned short widePath[MAX_PATH]; + len = GetModuleFileNameW(NULL, widePath, MAX_PATH); + len = WideCharToMultiByte(0, 0, widePath, len, appDir, MAX_PATH, NULL, NULL); +#else + len = GetModuleFileNameA(NULL, appDir, MAX_PATH); +#endif + if (len > 0) + { + for (int i = len; i >= 0; --i) + { + if (appDir[i] == '\\') + { + appDir[i + 1] = '\0'; + break; + } + } + } + else + { + appDir[0] = '.'; + appDir[1] = '\\'; + } + +#elif defined(__linux__) + unsigned int size = sizeof(appDir); + ssize_t len = readlink("/proc/self/exe", appDir, size); + + if (len > 0) + { + for (int i = len; i >= 0; --i) + { + if (appDir[i] == '/') + { + appDir[i + 1] = '\0'; + break; + } + } + } + else + { + appDir[0] = '.'; + appDir[1] = '/'; + } +#elif defined(__APPLE__) + uint32_t size = sizeof(appDir); + + if (_NSGetExecutablePath(appDir, &size) == 0) + { + int len = strlen(appDir); + for (int i = len; i >= 0; --i) + { + if (appDir[i] == '/') + { + appDir[i + 1] = '\0'; + break; + } + } + } + else + { + appDir[0] = '.'; + appDir[1] = '/'; + } +#endif + + return appDir; +} + +// Load directory filepaths +// NOTE: Base path is prepended to the scanned filepaths +// WARNING: Directory is scanned twice, first time to get files count +// No recursive scanning is done! +FilePathList LoadDirectoryFiles(const char *dirPath) +{ + FilePathList files = { 0 }; + unsigned int fileCounter = 0; + + struct dirent *entity; + DIR *dir = opendir(dirPath); + + if (dir != NULL) // It's a directory + { + // SCAN 1: Count files + while ((entity = readdir(dir)) != NULL) + { + // NOTE: We skip '.' (current dir) and '..' (parent dir) filepaths + if ((strcmp(entity->d_name, ".") != 0) && (strcmp(entity->d_name, "..") != 0)) fileCounter++; + } + + // Memory allocation for dirFileCount + files.capacity = fileCounter; + files.paths = (char **)RL_MALLOC(files.capacity*sizeof(char *)); + for (unsigned int i = 0; i < files.capacity; i++) files.paths[i] = (char *)RL_MALLOC(MAX_FILEPATH_LENGTH*sizeof(char)); + + closedir(dir); + + // SCAN 2: Read filepaths + // NOTE: Directory paths are also registered + ScanDirectoryFiles(dirPath, &files, NULL); + + // Security check: read files.count should match fileCounter + if (files.count != files.capacity) TRACELOG(LOG_WARNING, "FILEIO: Read files count do not match capacity allocated"); + } + else TRACELOG(LOG_WARNING, "FILEIO: Failed to open requested directory"); // Maybe it's a file... + + return files; +} + +// Load directory filepaths with extension filtering and recursive directory scan +// NOTE: On recursive loading we do not pre-scan for file count, we use MAX_FILEPATH_CAPACITY +FilePathList LoadDirectoryFilesEx(const char *basePath, const char *filter, bool scanSubdirs) +{ + FilePathList files = { 0 }; + + files.capacity = MAX_FILEPATH_CAPACITY; + files.paths = (char **)RL_CALLOC(files.capacity, sizeof(char *)); + for (unsigned int i = 0; i < files.capacity; i++) files.paths[i] = (char *)RL_CALLOC(MAX_FILEPATH_LENGTH, sizeof(char)); + + // WARNING: basePath is always prepended to scanned paths + if (scanSubdirs) ScanDirectoryFilesRecursively(basePath, &files, filter); + else ScanDirectoryFiles(basePath, &files, filter); + + return files; +} + +// Unload directory filepaths +// WARNING: files.count is not reseted to 0 after unloading +void UnloadDirectoryFiles(FilePathList files) +{ + for (unsigned int i = 0; i < files.capacity; i++) RL_FREE(files.paths[i]); + + RL_FREE(files.paths); +} + +// Change working directory, returns true on success +bool ChangeDirectory(const char *dir) +{ + bool result = CHDIR(dir); + + if (result != 0) TRACELOG(LOG_WARNING, "SYSTEM: Failed to change to directory: %s", dir); + + return (result == 0); +} + +// Check if a given path point to a file +bool IsPathFile(const char *path) +{ + struct stat result = { 0 }; + stat(path, &result); + + return S_ISREG(result.st_mode); +} + +// Check if a file has been dropped into window +bool IsFileDropped(void) +{ + if (CORE.Window.dropFileCount > 0) return true; + else return false; +} + +// Load dropped filepaths +FilePathList LoadDroppedFiles(void) +{ + FilePathList files = { 0 }; + + files.count = CORE.Window.dropFileCount; + files.paths = CORE.Window.dropFilepaths; + + return files; +} + +// Unload dropped filepaths +void UnloadDroppedFiles(FilePathList files) +{ + // WARNING: files pointers are the same as internal ones + + if (files.count > 0) + { + for (unsigned int i = 0; i < files.count; i++) RL_FREE(files.paths[i]); + + RL_FREE(files.paths); + + CORE.Window.dropFileCount = 0; + CORE.Window.dropFilepaths = NULL; + } +} + +// Get file modification time (last write time) +long GetFileModTime(const char *fileName) +{ + struct stat result = { 0 }; + + if (stat(fileName, &result) == 0) + { + time_t mod = result.st_mtime; + + return (long)mod; + } + + return 0; +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Compression and Encoding +//---------------------------------------------------------------------------------- + +// Compress data (DEFLATE algorithm) +unsigned char *CompressData(const unsigned char *data, int dataSize, int *compDataSize) +{ + #define COMPRESSION_QUALITY_DEFLATE 8 + + unsigned char *compData = NULL; + +#if defined(SUPPORT_COMPRESSION_API) + // Compress data and generate a valid DEFLATE stream + struct sdefl *sdefl = RL_CALLOC(1, sizeof(struct sdefl)); // WARNING: Possible stack overflow, struct sdefl is almost 1MB + int bounds = sdefl_bound(dataSize); + compData = (unsigned char *)RL_CALLOC(bounds, 1); + + *compDataSize = sdeflate(sdefl, compData, data, dataSize, COMPRESSION_QUALITY_DEFLATE); // Compression level 8, same as stbiw + RL_FREE(sdefl); + + TRACELOG(LOG_INFO, "SYSTEM: Compress data: Original size: %i -> Comp. size: %i", dataSize, *compDataSize); +#endif + + return compData; +} + +// Decompress data (DEFLATE algorithm) +unsigned char *DecompressData(const unsigned char *compData, int compDataSize, int *dataSize) +{ + unsigned char *data = NULL; + +#if defined(SUPPORT_COMPRESSION_API) + // Decompress data from a valid DEFLATE stream + data = (unsigned char *)RL_CALLOC(MAX_DECOMPRESSION_SIZE*1024*1024, 1); + int length = sinflate(data, MAX_DECOMPRESSION_SIZE*1024*1024, compData, compDataSize); + + // WARNING: RL_REALLOC can make (and leave) data copies in memory, be careful with sensitive compressed data! + // TODO: Use a different approach, create another buffer, copy data manually to it and wipe original buffer memory + unsigned char *temp = (unsigned char *)RL_REALLOC(data, length); + + if (temp != NULL) data = temp; + else TRACELOG(LOG_WARNING, "SYSTEM: Failed to re-allocate required decompression memory"); + + *dataSize = length; + + TRACELOG(LOG_INFO, "SYSTEM: Decompress data: Comp. size: %i -> Original size: %i", compDataSize, *dataSize); +#endif + + return data; +} + +// Encode data to Base64 string +char *EncodeDataBase64(const unsigned char *data, int dataSize, int *outputSize) +{ + static const unsigned char base64encodeTable[] = { + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', + 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', + 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/' + }; + + static const int modTable[] = { 0, 2, 1 }; + + *outputSize = 4*((dataSize + 2)/3); + + char *encodedData = (char *)RL_MALLOC(*outputSize); + + if (encodedData == NULL) return NULL; + + for (int i = 0, j = 0; i < dataSize;) + { + unsigned int octetA = (i < dataSize)? (unsigned char)data[i++] : 0; + unsigned int octetB = (i < dataSize)? (unsigned char)data[i++] : 0; + unsigned int octetC = (i < dataSize)? (unsigned char)data[i++] : 0; + + unsigned int triple = (octetA << 0x10) + (octetB << 0x08) + octetC; + + encodedData[j++] = base64encodeTable[(triple >> 3*6) & 0x3F]; + encodedData[j++] = base64encodeTable[(triple >> 2*6) & 0x3F]; + encodedData[j++] = base64encodeTable[(triple >> 1*6) & 0x3F]; + encodedData[j++] = base64encodeTable[(triple >> 0*6) & 0x3F]; + } + + for (int i = 0; i < modTable[dataSize%3]; i++) encodedData[*outputSize - 1 - i] = '='; // Padding character + + return encodedData; +} + +// Decode Base64 string data +unsigned char *DecodeDataBase64(const unsigned char *data, int *outputSize) +{ + static const unsigned char base64decodeTable[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 62, 0, 0, 0, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, + 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, + 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51 + }; + + // Get output size of Base64 input data + int outSize = 0; + for (int i = 0; data[4*i] != 0; i++) + { + if (data[4*i + 3] == '=') + { + if (data[4*i + 2] == '=') outSize += 1; + else outSize += 2; + } + else outSize += 3; + } + + // Allocate memory to store decoded Base64 data + unsigned char *decodedData = (unsigned char *)RL_MALLOC(outSize); + + for (int i = 0; i < outSize/3; i++) + { + unsigned char a = base64decodeTable[(int)data[4*i]]; + unsigned char b = base64decodeTable[(int)data[4*i + 1]]; + unsigned char c = base64decodeTable[(int)data[4*i + 2]]; + unsigned char d = base64decodeTable[(int)data[4*i + 3]]; + + decodedData[3*i] = (a << 2) | (b >> 4); + decodedData[3*i + 1] = (b << 4) | (c >> 2); + decodedData[3*i + 2] = (c << 6) | d; + } + + if (outSize%3 == 1) + { + int n = outSize/3; + unsigned char a = base64decodeTable[(int)data[4*n]]; + unsigned char b = base64decodeTable[(int)data[4*n + 1]]; + decodedData[outSize - 1] = (a << 2) | (b >> 4); + } + else if (outSize%3 == 2) + { + int n = outSize/3; + unsigned char a = base64decodeTable[(int)data[4*n]]; + unsigned char b = base64decodeTable[(int)data[4*n + 1]]; + unsigned char c = base64decodeTable[(int)data[4*n + 2]]; + decodedData[outSize - 2] = (a << 2) | (b >> 4); + decodedData[outSize - 1] = (b << 4) | (c >> 2); + } + + *outputSize = outSize; + return decodedData; +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Input Handling: Keyboard +//---------------------------------------------------------------------------------- + +// Check if a key has been pressed once +bool IsKeyPressed(int key) +{ + + bool pressed = false; + + if ((key > 0) && (key < MAX_KEYBOARD_KEYS)) + { + if ((CORE.Input.Keyboard.previousKeyState[key] == 0) && (CORE.Input.Keyboard.currentKeyState[key] == 1)) pressed = true; + } + + return pressed; +} + +// Check if a key has been pressed again +bool IsKeyPressedRepeat(int key) +{ + bool repeat = false; + + if ((key > 0) && (key < MAX_KEYBOARD_KEYS)) + { + if (CORE.Input.Keyboard.keyRepeatInFrame[key] == 1) repeat = true; + } + + return repeat; +} + +// Check if a key is being pressed (key held down) +bool IsKeyDown(int key) +{ + bool down = false; + + if ((key > 0) && (key < MAX_KEYBOARD_KEYS)) + { + if (CORE.Input.Keyboard.currentKeyState[key] == 1) down = true; + } + + return down; +} + +// Check if a key has been released once +bool IsKeyReleased(int key) +{ + bool released = false; + + if ((key > 0) && (key < MAX_KEYBOARD_KEYS)) + { + if ((CORE.Input.Keyboard.previousKeyState[key] == 1) && (CORE.Input.Keyboard.currentKeyState[key] == 0)) released = true; + } + + return released; +} + +// Check if a key is NOT being pressed (key not held down) +bool IsKeyUp(int key) +{ + bool up = false; + + if ((key > 0) && (key < MAX_KEYBOARD_KEYS)) + { + if (CORE.Input.Keyboard.currentKeyState[key] == 0) up = true; + } + + return up; +} + +// Get the last key pressed +int GetKeyPressed(void) +{ + int value = 0; + + if (CORE.Input.Keyboard.keyPressedQueueCount > 0) + { + // Get character from the queue head + value = CORE.Input.Keyboard.keyPressedQueue[0]; + + // Shift elements 1 step toward the head + for (int i = 0; i < (CORE.Input.Keyboard.keyPressedQueueCount - 1); i++) + CORE.Input.Keyboard.keyPressedQueue[i] = CORE.Input.Keyboard.keyPressedQueue[i + 1]; + + // Reset last character in the queue + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount - 1] = 0; + CORE.Input.Keyboard.keyPressedQueueCount--; + } + + return value; +} + +// Get the last char pressed +int GetCharPressed(void) +{ + int value = 0; + + if (CORE.Input.Keyboard.charPressedQueueCount > 0) + { + // Get character from the queue head + value = CORE.Input.Keyboard.charPressedQueue[0]; + + // Shift elements 1 step toward the head + for (int i = 0; i < (CORE.Input.Keyboard.charPressedQueueCount - 1); i++) + CORE.Input.Keyboard.charPressedQueue[i] = CORE.Input.Keyboard.charPressedQueue[i + 1]; + + // Reset last character in the queue + CORE.Input.Keyboard.charPressedQueue[CORE.Input.Keyboard.charPressedQueueCount - 1] = 0; + CORE.Input.Keyboard.charPressedQueueCount--; + } + + return value; +} + +// Set a custom key to exit program +// NOTE: default exitKey is set to ESCAPE +void SetExitKey(int key) +{ + CORE.Input.Keyboard.exitKey = key; +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Input Handling: Gamepad +//---------------------------------------------------------------------------------- + +// NOTE: Functions with a platform-specific implementation on rcore_.c +//int SetGamepadMappings(const char *mappings) + +// Check if a gamepad is available +bool IsGamepadAvailable(int gamepad) +{ + bool result = false; + + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad]) result = true; + + return result; +} + +// Get gamepad internal name id +const char *GetGamepadName(int gamepad) +{ + return CORE.Input.Gamepad.name[gamepad]; +} + +// Check if a gamepad button has been pressed once +bool IsGamepadButtonPressed(int gamepad, int button) +{ + bool pressed = false; + + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && + (CORE.Input.Gamepad.previousButtonState[gamepad][button] == 0) && (CORE.Input.Gamepad.currentButtonState[gamepad][button] == 1)) pressed = true; + + return pressed; +} + +// Check if a gamepad button is being pressed +bool IsGamepadButtonDown(int gamepad, int button) +{ + bool down = false; + + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && + (CORE.Input.Gamepad.currentButtonState[gamepad][button] == 1)) down = true; + + return down; +} + +// Check if a gamepad button has NOT been pressed once +bool IsGamepadButtonReleased(int gamepad, int button) +{ + bool released = false; + + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && + (CORE.Input.Gamepad.previousButtonState[gamepad][button] == 1) && (CORE.Input.Gamepad.currentButtonState[gamepad][button] == 0)) released = true; + + return released; +} + +// Check if a gamepad button is NOT being pressed +bool IsGamepadButtonUp(int gamepad, int button) +{ + bool up = false; + + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && + (CORE.Input.Gamepad.currentButtonState[gamepad][button] == 0)) up = true; + + return up; +} + +// Get the last gamepad button pressed +int GetGamepadButtonPressed(void) +{ + return CORE.Input.Gamepad.lastButtonPressed; +} + +// Get gamepad axis count +int GetGamepadAxisCount(int gamepad) +{ + return CORE.Input.Gamepad.axisCount[gamepad]; +} + +// Get axis movement vector for a gamepad +float GetGamepadAxisMovement(int gamepad, int axis) +{ + float value = 0; + + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (axis < MAX_GAMEPAD_AXIS) && + (fabsf(CORE.Input.Gamepad.axisState[gamepad][axis]) > 0.1f)) value = CORE.Input.Gamepad.axisState[gamepad][axis]; // 0.1f = GAMEPAD_AXIS_MINIMUM_DRIFT/DELTA + + return value; +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Input Handling: Mouse +//---------------------------------------------------------------------------------- + +// NOTE: Functions with a platform-specific implementation on rcore_.c +//void SetMousePosition(int x, int y) +//void SetMouseCursor(int cursor) + +// Check if a mouse button has been pressed once +bool IsMouseButtonPressed(int button) +{ + bool pressed = false; + + if ((CORE.Input.Mouse.currentButtonState[button] == 1) && (CORE.Input.Mouse.previousButtonState[button] == 0)) pressed = true; + + // Map touches to mouse buttons checking + if ((CORE.Input.Touch.currentTouchState[button] == 1) && (CORE.Input.Touch.previousTouchState[button] == 0)) pressed = true; + + return pressed; +} + +// Check if a mouse button is being pressed +bool IsMouseButtonDown(int button) +{ + bool down = false; + + if (CORE.Input.Mouse.currentButtonState[button] == 1) down = true; + + // NOTE: Touches are considered like mouse buttons + if (CORE.Input.Touch.currentTouchState[button] == 1) down = true; + + return down; +} + +// Check if a mouse button has been released once +bool IsMouseButtonReleased(int button) +{ + bool released = false; + + if ((CORE.Input.Mouse.currentButtonState[button] == 0) && (CORE.Input.Mouse.previousButtonState[button] == 1)) released = true; + + // Map touches to mouse buttons checking + if ((CORE.Input.Touch.currentTouchState[button] == 0) && (CORE.Input.Touch.previousTouchState[button] == 1)) released = true; + + return released; +} + +// Check if a mouse button is NOT being pressed +bool IsMouseButtonUp(int button) +{ + bool up = false; + + if (CORE.Input.Mouse.currentButtonState[button] == 0) up = true; + + // NOTE: Touches are considered like mouse buttons + if (CORE.Input.Touch.currentTouchState[button] == 0) up = true; + + return up; +} + +// Get mouse position X +int GetMouseX(void) +{ + return (int)((CORE.Input.Mouse.currentPosition.x + CORE.Input.Mouse.offset.x)*CORE.Input.Mouse.scale.x); +} + +// Get mouse position Y +int GetMouseY(void) +{ + return (int)((CORE.Input.Mouse.currentPosition.y + CORE.Input.Mouse.offset.y)*CORE.Input.Mouse.scale.y); +} + +// Get mouse position XY +Vector2 GetMousePosition(void) +{ + Vector2 position = { 0 }; + + position.x = (CORE.Input.Mouse.currentPosition.x + CORE.Input.Mouse.offset.x)*CORE.Input.Mouse.scale.x; + position.y = (CORE.Input.Mouse.currentPosition.y + CORE.Input.Mouse.offset.y)*CORE.Input.Mouse.scale.y; + + return position; +} + +// Get mouse delta between frames +Vector2 GetMouseDelta(void) +{ + Vector2 delta = { 0 }; + + delta.x = CORE.Input.Mouse.currentPosition.x - CORE.Input.Mouse.previousPosition.x; + delta.y = CORE.Input.Mouse.currentPosition.y - CORE.Input.Mouse.previousPosition.y; + + return delta; +} + +// Set mouse offset +// NOTE: Useful when rendering to different size targets +void SetMouseOffset(int offsetX, int offsetY) +{ + CORE.Input.Mouse.offset = (Vector2){ (float)offsetX, (float)offsetY }; +} + +// Set mouse scaling +// NOTE: Useful when rendering to different size targets +void SetMouseScale(float scaleX, float scaleY) +{ + CORE.Input.Mouse.scale = (Vector2){ scaleX, scaleY }; +} + +// Get mouse wheel movement Y +float GetMouseWheelMove(void) +{ + float result = 0.0f; + + if (fabsf(CORE.Input.Mouse.currentWheelMove.x) > fabsf(CORE.Input.Mouse.currentWheelMove.y)) result = (float)CORE.Input.Mouse.currentWheelMove.x; + else result = (float)CORE.Input.Mouse.currentWheelMove.y; + + return result; +} + +// Get mouse wheel movement X/Y as a vector +Vector2 GetMouseWheelMoveV(void) +{ + Vector2 result = { 0 }; + + result = CORE.Input.Mouse.currentWheelMove; + + return result; +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition: Input Handling: Touch +//---------------------------------------------------------------------------------- + +// Get touch position X for touch point 0 (relative to screen size) +int GetTouchX(void) +{ + return (int)CORE.Input.Touch.position[0].x; +} + +// Get touch position Y for touch point 0 (relative to screen size) +int GetTouchY(void) +{ + return (int)CORE.Input.Touch.position[0].y; +} + +// Get touch position XY for a touch point index (relative to screen size) +// TODO: Touch position should be scaled depending on display size and render size +Vector2 GetTouchPosition(int index) +{ + Vector2 position = { -1.0f, -1.0f }; + + if (index < MAX_TOUCH_POINTS) position = CORE.Input.Touch.position[index]; + else TRACELOG(LOG_WARNING, "INPUT: Required touch point out of range (Max touch points: %i)", MAX_TOUCH_POINTS); + + return position; +} + +// Get touch point identifier for given index +int GetTouchPointId(int index) +{ + int id = -1; + + if (index < MAX_TOUCH_POINTS) id = CORE.Input.Touch.pointId[index]; + + return id; +} + +// Get number of touch points +int GetTouchPointCount(void) +{ + return CORE.Input.Touch.pointCount; +} + +//---------------------------------------------------------------------------------- +// Module Internal Functions Definition +//---------------------------------------------------------------------------------- + +// NOTE: Functions with a platform-specific implementation on rcore_.c +//static bool InitPlatform(void) + +// Initialize hi-resolution timer +void InitTimer(void) +{ + // Setting a higher resolution can improve the accuracy of time-out intervals in wait functions. + // However, it can also reduce overall system performance, because the thread scheduler switches tasks more often. + // High resolutions can also prevent the CPU power management system from entering power-saving modes. + // Setting a higher resolution does not improve the accuracy of the high-resolution performance counter. +#if defined(_WIN32) && defined(SUPPORT_WINMM_HIGHRES_TIMER) && !defined(SUPPORT_BUSY_WAIT_LOOP) + timeBeginPeriod(1); // Setup high-resolution timer to 1ms (granularity of 1-2 ms) +#endif + +#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__EMSCRIPTEN__) + struct timespec now = { 0 }; + + if (clock_gettime(CLOCK_MONOTONIC, &now) == 0) // Success + { + CORE.Time.base = (unsigned long long int)now.tv_sec*1000000000LLU + (unsigned long long int)now.tv_nsec; + } + else TRACELOG(LOG_WARNING, "TIMER: Hi-resolution timer not available"); +#endif + + CORE.Time.previous = GetTime(); // Get time as double +} + +// Set viewport for a provided width and height +void SetupViewport(int width, int height) +{ + CORE.Window.render.width = width; + CORE.Window.render.height = height; + + // Set viewport width and height + // NOTE: We consider render size (scaled) and offset in case black bars are required and + // render area does not match full display area (this situation is only applicable on fullscreen mode) +#if defined(__APPLE__) + //float xScale = 1.0f, yScale = 1.0f; + //glfwGetWindowContentScale(CORE.Window.handle, &xScale, &yScale); + Vector2 scale = GetWindowScaleDPI(); + rlViewport(CORE.Window.renderOffset.x/2*scale.x, CORE.Window.renderOffset.y/2*scale.y, (CORE.Window.render.width)*scale.x, (CORE.Window.render.height)*scale.y); +#else + rlViewport(CORE.Window.renderOffset.x/2, CORE.Window.renderOffset.y/2, CORE.Window.render.width, CORE.Window.render.height); +#endif + + rlMatrixMode(RL_PROJECTION); // Switch to projection matrix + rlLoadIdentity(); // Reset current matrix (projection) + + // Set orthographic projection to current framebuffer size + // NOTE: Configured top-left corner as (0, 0) + rlOrtho(0, CORE.Window.render.width, CORE.Window.render.height, 0, 0.0f, 1.0f); + + rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix + rlLoadIdentity(); // Reset current matrix (modelview) +} + +// Compute framebuffer size relative to screen size and display size +// NOTE: Global variables CORE.Window.render.width/CORE.Window.render.height and CORE.Window.renderOffset.x/CORE.Window.renderOffset.y can be modified +void SetupFramebuffer(int width, int height) +{ + // Calculate CORE.Window.render.width and CORE.Window.render.height, we have the display size (input params) and the desired screen size (global var) + if ((CORE.Window.screen.width > CORE.Window.display.width) || (CORE.Window.screen.height > CORE.Window.display.height)) + { + TRACELOG(LOG_WARNING, "DISPLAY: Downscaling required: Screen size (%ix%i) is bigger than display size (%ix%i)", CORE.Window.screen.width, CORE.Window.screen.height, CORE.Window.display.width, CORE.Window.display.height); + + // Downscaling to fit display with border-bars + float widthRatio = (float)CORE.Window.display.width/(float)CORE.Window.screen.width; + float heightRatio = (float)CORE.Window.display.height/(float)CORE.Window.screen.height; + + if (widthRatio <= heightRatio) + { + CORE.Window.render.width = CORE.Window.display.width; + CORE.Window.render.height = (int)round((float)CORE.Window.screen.height*widthRatio); + CORE.Window.renderOffset.x = 0; + CORE.Window.renderOffset.y = (CORE.Window.display.height - CORE.Window.render.height); + } + else + { + CORE.Window.render.width = (int)round((float)CORE.Window.screen.width*heightRatio); + CORE.Window.render.height = CORE.Window.display.height; + CORE.Window.renderOffset.x = (CORE.Window.display.width - CORE.Window.render.width); + CORE.Window.renderOffset.y = 0; + } + + // Screen scaling required + float scaleRatio = (float)CORE.Window.render.width/(float)CORE.Window.screen.width; + CORE.Window.screenScale = MatrixScale(scaleRatio, scaleRatio, 1.0f); + + // NOTE: We render to full display resolution! + // We just need to calculate above parameters for downscale matrix and offsets + CORE.Window.render.width = CORE.Window.display.width; + CORE.Window.render.height = CORE.Window.display.height; + + TRACELOG(LOG_WARNING, "DISPLAY: Downscale matrix generated, content will be rendered at (%ix%i)", CORE.Window.render.width, CORE.Window.render.height); + } + else if ((CORE.Window.screen.width < CORE.Window.display.width) || (CORE.Window.screen.height < CORE.Window.display.height)) + { + // Required screen size is smaller than display size + TRACELOG(LOG_INFO, "DISPLAY: Upscaling required: Screen size (%ix%i) smaller than display size (%ix%i)", CORE.Window.screen.width, CORE.Window.screen.height, CORE.Window.display.width, CORE.Window.display.height); + + if ((CORE.Window.screen.width == 0) || (CORE.Window.screen.height == 0)) + { + CORE.Window.screen.width = CORE.Window.display.width; + CORE.Window.screen.height = CORE.Window.display.height; + } + + // Upscaling to fit display with border-bars + float displayRatio = (float)CORE.Window.display.width/(float)CORE.Window.display.height; + float screenRatio = (float)CORE.Window.screen.width/(float)CORE.Window.screen.height; + + if (displayRatio <= screenRatio) + { + CORE.Window.render.width = CORE.Window.screen.width; + CORE.Window.render.height = (int)round((float)CORE.Window.screen.width/displayRatio); + CORE.Window.renderOffset.x = 0; + CORE.Window.renderOffset.y = (CORE.Window.render.height - CORE.Window.screen.height); + } + else + { + CORE.Window.render.width = (int)round((float)CORE.Window.screen.height*displayRatio); + CORE.Window.render.height = CORE.Window.screen.height; + CORE.Window.renderOffset.x = (CORE.Window.render.width - CORE.Window.screen.width); + CORE.Window.renderOffset.y = 0; + } + } + else + { + CORE.Window.render.width = CORE.Window.screen.width; + CORE.Window.render.height = CORE.Window.screen.height; + CORE.Window.renderOffset.x = 0; + CORE.Window.renderOffset.y = 0; + } +} + +// Scan all files and directories in a base path +// WARNING: files.paths[] must be previously allocated and +// contain enough space to store all required paths +static void ScanDirectoryFiles(const char *basePath, FilePathList *files, const char *filter) +{ + static char path[MAX_FILEPATH_LENGTH] = { 0 }; + memset(path, 0, MAX_FILEPATH_LENGTH); + + struct dirent *dp = NULL; + DIR *dir = opendir(basePath); + + if (dir != NULL) + { + while ((dp = readdir(dir)) != NULL) + { + if ((strcmp(dp->d_name, ".") != 0) && + (strcmp(dp->d_name, "..") != 0)) + { + sprintf(path, "%s/%s", basePath, dp->d_name); + + if (filter != NULL) + { + if (IsFileExtension(path, filter)) + { + strcpy(files->paths[files->count], path); + files->count++; + } + } + else + { + strcpy(files->paths[files->count], path); + files->count++; + } + } + } + + closedir(dir); + } + else TRACELOG(LOG_WARNING, "FILEIO: Directory cannot be opened (%s)", basePath); +} + +// Scan all files and directories recursively from a base path +static void ScanDirectoryFilesRecursively(const char *basePath, FilePathList *files, const char *filter) +{ + char path[MAX_FILEPATH_LENGTH] = { 0 }; + memset(path, 0, MAX_FILEPATH_LENGTH); + + struct dirent *dp = NULL; + DIR *dir = opendir(basePath); + + if (dir != NULL) + { + while (((dp = readdir(dir)) != NULL) && (files->count < files->capacity)) + { + if ((strcmp(dp->d_name, ".") != 0) && (strcmp(dp->d_name, "..") != 0)) + { + // Construct new path from our base path + sprintf(path, "%s/%s", basePath, dp->d_name); + + if (IsPathFile(path)) + { + if (filter != NULL) + { + if (IsFileExtension(path, filter)) + { + strcpy(files->paths[files->count], path); + files->count++; + } + } + else + { + strcpy(files->paths[files->count], path); + files->count++; + } + + if (files->count >= files->capacity) + { + TRACELOG(LOG_WARNING, "FILEIO: Maximum filepath scan capacity reached (%i files)", files->capacity); + break; + } + } + else ScanDirectoryFilesRecursively(path, files, filter); + } + } + + closedir(dir); + } + else TRACELOG(LOG_WARNING, "FILEIO: Directory cannot be opened (%s)", basePath); +} + +#if defined(SUPPORT_EVENTS_AUTOMATION) +// NOTE: Loading happens over AutomationEvent *events +// TODO: This system should probably be redesigned +static void LoadAutomationEvents(const char *fileName) +{ + // Load events file (binary) + /* + FILE *repFile = fopen(fileName, "rb"); + unsigned char fileId[4] = { 0 }; + + fread(fileId, 1, 4, repFile); + + if ((fileId[0] == 'r') && (fileId[1] == 'E') && (fileId[2] == 'P') && (fileId[1] == ' ')) + { + fread(&eventCount, sizeof(int), 1, repFile); + TRACELOG(LOG_WARNING, "Events loaded: %i\n", eventCount); + fread(events, sizeof(AutomationEvent), eventCount, repFile); + } + + fclose(repFile); + */ + + // Load events file (text) + FILE *repFile = fopen(fileName, "rt"); + + if (repFile != NULL) + { + unsigned int count = 0; + char buffer[256] = { 0 }; + + fgets(buffer, 256, repFile); + + while (!feof(repFile)) + { + if (buffer[0] == 'c') sscanf(buffer, "c %i", &eventCount); + else if (buffer[0] == 'e') + { + sscanf(buffer, "e %d %d %d %d %d", &events[count].frame, &events[count].type, + &events[count].params[0], &events[count].params[1], &events[count].params[2]); + + count++; + } + + fgets(buffer, 256, repFile); + } + + if (count != eventCount) TRACELOG(LOG_WARNING, "Events count provided is different than count"); + + fclose(repFile); + } + + TRACELOG(LOG_WARNING, "Events loaded: %i", eventCount); +} + +// Export recorded events into a file +static void ExportAutomationEvents(const char *fileName) +{ + unsigned char fileId[4] = "rEP "; + + // Save as binary + /* + FILE *repFile = fopen(fileName, "wb"); + fwrite(fileId, sizeof(unsigned char), 4, repFile); + fwrite(&eventCount, sizeof(int), 1, repFile); + fwrite(events, sizeof(AutomationEvent), eventCount, repFile); + fclose(repFile); + */ + + // Export events as text + FILE *repFile = fopen(fileName, "wt"); + + if (repFile != NULL) + { + fprintf(repFile, "# Automation events list\n"); + fprintf(repFile, "# c \n"); + fprintf(repFile, "# e // \n"); + + fprintf(repFile, "c %i\n", eventCount); + for (int i = 0; i < eventCount; i++) + { + fprintf(repFile, "e %i %i %i %i %i // %s\n", events[i].frame, events[i].type, + events[i].params[0], events[i].params[1], events[i].params[2], autoEventTypeName[events[i].type]); + } + + fclose(repFile); + } +} + +// EndDrawing() -> After PollInputEvents() +// Check event in current frame and save into the events[i] array +static void RecordAutomationEvent(unsigned int frame) +{ + for (int key = 0; key < MAX_KEYBOARD_KEYS; key++) + { + // INPUT_KEY_UP (only saved once) + if (CORE.Input.Keyboard.previousKeyState[key] && !CORE.Input.Keyboard.currentKeyState[key]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_KEY_UP; + events[eventCount].params[0] = key; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_KEY_UP: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + // INPUT_KEY_DOWN + if (CORE.Input.Keyboard.currentKeyState[key]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_KEY_DOWN; + events[eventCount].params[0] = key; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_KEY_DOWN: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + } + + for (int button = 0; button < MAX_MOUSE_BUTTONS; button++) + { + // INPUT_MOUSE_BUTTON_UP + if (CORE.Input.Mouse.previousButtonState[button] && !CORE.Input.Mouse.currentButtonState[button]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_MOUSE_BUTTON_UP; + events[eventCount].params[0] = button; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_MOUSE_BUTTON_UP: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + // INPUT_MOUSE_BUTTON_DOWN + if (CORE.Input.Mouse.currentButtonState[button]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_MOUSE_BUTTON_DOWN; + events[eventCount].params[0] = button; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_MOUSE_BUTTON_DOWN: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + } + + // INPUT_MOUSE_POSITION (only saved if changed) + if (((int)CORE.Input.Mouse.currentPosition.x != (int)CORE.Input.Mouse.previousPosition.x) || + ((int)CORE.Input.Mouse.currentPosition.y != (int)CORE.Input.Mouse.previousPosition.y)) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_MOUSE_POSITION; + events[eventCount].params[0] = (int)CORE.Input.Mouse.currentPosition.x; + events[eventCount].params[1] = (int)CORE.Input.Mouse.currentPosition.y; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_MOUSE_POSITION: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + // INPUT_MOUSE_WHEEL_MOTION + if (((int)CORE.Input.Mouse.currentWheelMove.x != (int)CORE.Input.Mouse.previousWheelMove.x) || + ((int)CORE.Input.Mouse.currentWheelMove.y != (int)CORE.Input.Mouse.previousWheelMove.y)) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_MOUSE_WHEEL_MOTION; + events[eventCount].params[0] = (int)CORE.Input.Mouse.currentWheelMove.x; + events[eventCount].params[1] = (int)CORE.Input.Mouse.currentWheelMove.y;; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_MOUSE_WHEEL_MOTION: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + for (int id = 0; id < MAX_TOUCH_POINTS; id++) + { + // INPUT_TOUCH_UP + if (CORE.Input.Touch.previousTouchState[id] && !CORE.Input.Touch.currentTouchState[id]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_TOUCH_UP; + events[eventCount].params[0] = id; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_TOUCH_UP: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + // INPUT_TOUCH_DOWN + if (CORE.Input.Touch.currentTouchState[id]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_TOUCH_DOWN; + events[eventCount].params[0] = id; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_TOUCH_DOWN: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + // INPUT_TOUCH_POSITION + // TODO: It requires the id! + /* + if (((int)CORE.Input.Touch.currentPosition[id].x != (int)CORE.Input.Touch.previousPosition[id].x) || + ((int)CORE.Input.Touch.currentPosition[id].y != (int)CORE.Input.Touch.previousPosition[id].y)) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_TOUCH_POSITION; + events[eventCount].params[0] = id; + events[eventCount].params[1] = (int)CORE.Input.Touch.currentPosition[id].x; + events[eventCount].params[2] = (int)CORE.Input.Touch.currentPosition[id].y; + + TRACELOG(LOG_INFO, "[%i] INPUT_TOUCH_POSITION: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + */ + } + + for (int gamepad = 0; gamepad < MAX_GAMEPADS; gamepad++) + { + // INPUT_GAMEPAD_CONNECT + /* + if ((CORE.Input.Gamepad.currentState[gamepad] != CORE.Input.Gamepad.previousState[gamepad]) && + (CORE.Input.Gamepad.currentState[gamepad])) // Check if changed to ready + { + // TODO: Save gamepad connect event + } + */ + + // INPUT_GAMEPAD_DISCONNECT + /* + if ((CORE.Input.Gamepad.currentState[gamepad] != CORE.Input.Gamepad.previousState[gamepad]) && + (!CORE.Input.Gamepad.currentState[gamepad])) // Check if changed to not-ready + { + // TODO: Save gamepad disconnect event + } + */ + + for (int button = 0; button < MAX_GAMEPAD_BUTTONS; button++) + { + // INPUT_GAMEPAD_BUTTON_UP + if (CORE.Input.Gamepad.previousButtonState[gamepad][button] && !CORE.Input.Gamepad.currentButtonState[gamepad][button]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_GAMEPAD_BUTTON_UP; + events[eventCount].params[0] = gamepad; + events[eventCount].params[1] = button; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_GAMEPAD_BUTTON_UP: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + + // INPUT_GAMEPAD_BUTTON_DOWN + if (CORE.Input.Gamepad.currentButtonState[gamepad][button]) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_GAMEPAD_BUTTON_DOWN; + events[eventCount].params[0] = gamepad; + events[eventCount].params[1] = button; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_GAMEPAD_BUTTON_DOWN: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + } + + for (int axis = 0; axis < MAX_GAMEPAD_AXIS; axis++) + { + // INPUT_GAMEPAD_AXIS_MOTION + if (CORE.Input.Gamepad.axisState[gamepad][axis] > 0.1f) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_GAMEPAD_AXIS_MOTION; + events[eventCount].params[0] = gamepad; + events[eventCount].params[1] = axis; + events[eventCount].params[2] = (int)(CORE.Input.Gamepad.axisState[gamepad][axis]*32768.0f); + + TRACELOG(LOG_INFO, "[%i] INPUT_GAMEPAD_AXIS_MOTION: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } + } + } + + // INPUT_GESTURE + if (GESTURES.current != GESTURE_NONE) + { + events[eventCount].frame = frame; + events[eventCount].type = INPUT_GESTURE; + events[eventCount].params[0] = GESTURES.current; + events[eventCount].params[1] = 0; + events[eventCount].params[2] = 0; + + TRACELOG(LOG_INFO, "[%i] INPUT_GESTURE: %i, %i, %i", events[eventCount].frame, events[eventCount].params[0], events[eventCount].params[1], events[eventCount].params[2]); + eventCount++; + } +} + +// Play automation event +static void PlayAutomationEvent(unsigned int frame) +{ + for (unsigned int i = 0; i < eventCount; i++) + { + if (events[i].frame == frame) + { + switch (events[i].type) + { + // Input events + case INPUT_KEY_UP: CORE.Input.Keyboard.currentKeyState[events[i].params[0]] = false; break; // param[0]: key + case INPUT_KEY_DOWN: CORE.Input.Keyboard.currentKeyState[events[i].params[0]] = true; break; // param[0]: key + case INPUT_MOUSE_BUTTON_UP: CORE.Input.Mouse.currentButtonState[events[i].params[0]] = false; break; // param[0]: key + case INPUT_MOUSE_BUTTON_DOWN: CORE.Input.Mouse.currentButtonState[events[i].params[0]] = true; break; // param[0]: key + case INPUT_MOUSE_POSITION: // param[0]: x, param[1]: y + { + CORE.Input.Mouse.currentPosition.x = (float)events[i].params[0]; + CORE.Input.Mouse.currentPosition.y = (float)events[i].params[1]; + } break; + case INPUT_MOUSE_WHEEL_MOTION: // param[0]: x delta, param[1]: y delta + { + CORE.Input.Mouse.currentWheelMove.x = (float)events[i].params[0]; break; + CORE.Input.Mouse.currentWheelMove.y = (float)events[i].params[1]; break; + } break; + case INPUT_TOUCH_UP: CORE.Input.Touch.currentTouchState[events[i].params[0]] = false; break; // param[0]: id + case INPUT_TOUCH_DOWN: CORE.Input.Touch.currentTouchState[events[i].params[0]] = true; break; // param[0]: id + case INPUT_TOUCH_POSITION: // param[0]: id, param[1]: x, param[2]: y + { + CORE.Input.Touch.position[events[i].params[0]].x = (float)events[i].params[1]; + CORE.Input.Touch.position[events[i].params[0]].y = (float)events[i].params[2]; + } break; + case INPUT_GAMEPAD_CONNECT: CORE.Input.Gamepad.ready[events[i].params[0]] = true; break; // param[0]: gamepad + case INPUT_GAMEPAD_DISCONNECT: CORE.Input.Gamepad.ready[events[i].params[0]] = false; break; // param[0]: gamepad + case INPUT_GAMEPAD_BUTTON_UP: CORE.Input.Gamepad.currentButtonState[events[i].params[0]][events[i].params[1]] = false; break; // param[0]: gamepad, param[1]: button + case INPUT_GAMEPAD_BUTTON_DOWN: CORE.Input.Gamepad.currentButtonState[events[i].params[0]][events[i].params[1]] = true; break; // param[0]: gamepad, param[1]: button + case INPUT_GAMEPAD_AXIS_MOTION: // param[0]: gamepad, param[1]: axis, param[2]: delta + { + CORE.Input.Gamepad.axisState[events[i].params[0]][events[i].params[1]] = ((float)events[i].params[2]/32768.0f); + } break; + case INPUT_GESTURE: GESTURES.current = events[i].params[0]; break; // param[0]: gesture (enum Gesture) -> rgestures.h: GESTURES.current + + // Window events + case WINDOW_CLOSE: CORE.Window.shouldClose = true; break; + case WINDOW_MAXIMIZE: MaximizeWindow(); break; + case WINDOW_MINIMIZE: MinimizeWindow(); break; + case WINDOW_RESIZE: SetWindowSize(events[i].params[0], events[i].params[1]); break; + + // Custom events + case ACTION_TAKE_SCREENSHOT: + { + TakeScreenshot(TextFormat("screenshot%03i.png", screenshotCounter)); + screenshotCounter++; + } break; + case ACTION_SETTARGETFPS: SetTargetFPS(events[i].params[0]); break; + default: break; + } + } + } +} +#endif + +#if !defined(SUPPORT_MODULE_RTEXT) +// Formatting of text with variables to 'embed' +// WARNING: String returned will expire after this function is called MAX_TEXTFORMAT_BUFFERS times +const char *TextFormat(const char *text, ...) +{ +#ifndef MAX_TEXTFORMAT_BUFFERS + #define MAX_TEXTFORMAT_BUFFERS 4 // Maximum number of static buffers for text formatting +#endif +#ifndef MAX_TEXT_BUFFER_LENGTH + #define MAX_TEXT_BUFFER_LENGTH 1024 // Maximum size of static text buffer +#endif + + // We create an array of buffers so strings don't expire until MAX_TEXTFORMAT_BUFFERS invocations + static char buffers[MAX_TEXTFORMAT_BUFFERS][MAX_TEXT_BUFFER_LENGTH] = { 0 }; + static int index = 0; + + char *currentBuffer = buffers[index]; + memset(currentBuffer, 0, MAX_TEXT_BUFFER_LENGTH); // Clear buffer before using + + va_list args; + va_start(args, text); + int requiredByteCount = vsnprintf(currentBuffer, MAX_TEXT_BUFFER_LENGTH, text, args); + va_end(args); + + // If requiredByteCount is larger than the MAX_TEXT_BUFFER_LENGTH, then overflow occured + if (requiredByteCount >= MAX_TEXT_BUFFER_LENGTH) + { + // Inserting "..." at the end of the string to mark as truncated + char *truncBuffer = buffers[index] + MAX_TEXT_BUFFER_LENGTH - 4; // Adding 4 bytes = "...\0" + sprintf(truncBuffer, "..."); + } + + index += 1; // Move to next buffer for next function call + if (index >= MAX_TEXTFORMAT_BUFFERS) index = 0; + + return currentBuffer; +} + +#endif // !SUPPORT_MODULE_RTEXT -- cgit v1.2.3