diff options
| author | Uneven Prankster <unevenprankster@protonmail.com> | 2023-11-16 21:12:27 -0300 |
|---|---|---|
| committer | Uneven Prankster <unevenprankster@protonmail.com> | 2023-11-16 21:12:27 -0300 |
| commit | 2bbf92ad5ae7708bf18ac7ef333e9a979d8d1bde (patch) | |
| tree | c9d22bb0d73d9cc0c8586e4d31c93a561ea8e910 /raylib/src/rcore_web.c | |
| parent | 1c0cc775732201f4c4d3ee0d6772be786b3b4aa1 (diff) | |
Working so hard like a soldiermain
Can't afford a thing on TV
Diffstat (limited to 'raylib/src/rcore_web.c')
| -rw-r--r-- | raylib/src/rcore_web.c | 1493 |
1 files changed, 0 insertions, 1493 deletions
diff --git a/raylib/src/rcore_web.c b/raylib/src/rcore_web.c deleted file mode 100644 index f8e1e5b..0000000 --- a/raylib/src/rcore_web.c +++ /dev/null @@ -1,1493 +0,0 @@ -/********************************************************************************************** -* -* rcore_web - Functions to manage window, graphics device and inputs -* -* PLATFORM: WEB -* - HTML5 (WebAssembly) -* -* LIMITATIONS: -* - Limitation 01 -* - Limitation 02 -* -* POSSIBLE IMPROVEMENTS: -* - Replace glfw3 dependency by direct browser API calls (same as library_glfw3.js) -* -* ADDITIONAL NOTES: -* - TRACELOG() function is located in raylib [utils] module -* -* CONFIGURATION: -* #define RCORE_PLATFORM_CUSTOM_FLAG -* Custom flag for rcore on target platform -not used- -* -* DEPENDENCIES: -* emscripten - Allow interaction between browser API and C -* 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. -* -**********************************************************************************************/ - -#define GLFW_INCLUDE_ES2 // GLFW3: Enable OpenGL ES 2.0 (translated to WebGL) -// #define GLFW_INCLUDE_ES3 // GLFW3: Enable OpenGL ES 3.0 (transalted to WebGL2?) -#include "GLFW/glfw3.h" // GLFW3: Windows, OpenGL context and Input management - -#include <emscripten/emscripten.h> // Emscripten functionality for C -#include <emscripten/html5.h> // Emscripten HTML5 library - -#include <sys/time.h> // Required for: timespec, nanosleep(), select() - POSIX - -//---------------------------------------------------------------------------------- -// Defines and Macros -//---------------------------------------------------------------------------------- -// TODO: HACK: Added flag if not provided by GLFW when using external library -// Latest GLFW release (GLFW 3.3.8) does not implement this flag, it was added for 3.4.0-dev -#if !defined(GLFW_MOUSE_PASSTHROUGH) - #define GLFW_MOUSE_PASSTHROUGH 0x0002000D -#endif - -#if (_POSIX_C_SOURCE < 199309L) - #undef _POSIX_C_SOURCE - #define _POSIX_C_SOURCE 199309L // Required for: CLOCK_MONOTONIC if compiled with c99 without gnu ext. -#endif - -//---------------------------------------------------------------------------------- -// Types and Structures Definition -//---------------------------------------------------------------------------------- -typedef struct { - GLFWwindow *handle; // GLFW window handle (graphic device) -} PlatformData; - -//---------------------------------------------------------------------------------- -// Global Variables Definition -//---------------------------------------------------------------------------------- -extern CoreData CORE; // Global CORE state context - -static PlatformData platform = { 0 }; // Platform specific data - -//---------------------------------------------------------------------------------- -// Module Internal Functions Declaration -//---------------------------------------------------------------------------------- -static int InitPlatform(void); // Initialize platform (graphics, inputs and more) -static void ClosePlatform(void); // Close platform - -// Error callback event -static void ErrorCallback(int error, const char *description); // GLFW3 Error Callback, runs on GLFW3 error - -// Window callbacks events -static void WindowSizeCallback(GLFWwindow *window, int width, int height); // GLFW3 WindowSize Callback, runs when window is resized -static void WindowIconifyCallback(GLFWwindow *window, int iconified); // GLFW3 WindowIconify Callback, runs when window is minimized/restored -static void WindowMaximizeCallback(GLFWwindow *window, int maximized); // GLFW3 Window Maximize Callback, runs when window is maximized -static void WindowFocusCallback(GLFWwindow *window, int focused); // GLFW3 WindowFocus Callback, runs when window get/lose focus -static void WindowDropCallback(GLFWwindow *window, int count, const char **paths); // GLFW3 Window Drop Callback, runs when drop files into window - -// Input callbacks events -static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods); // GLFW3 Keyboard Callback, runs on key pressed -static void CharCallback(GLFWwindow *window, unsigned int key); // GLFW3 Char Key Callback, runs on key pressed (get char value) -static void MouseButtonCallback(GLFWwindow *window, int button, int action, int mods); // GLFW3 Mouse Button Callback, runs on mouse button pressed -static void MouseCursorPosCallback(GLFWwindow *window, double x, double y); // GLFW3 Cursor Position Callback, runs on mouse move -static void MouseScrollCallback(GLFWwindow *window, double xoffset, double yoffset); // GLFW3 Srolling Callback, runs on mouse wheel -static void CursorEnterCallback(GLFWwindow *window, int enter); // GLFW3 Cursor Enter Callback, cursor enters client area - -// Emscripten window callback events -static EM_BOOL EmscriptenFullscreenChangeCallback(int eventType, const EmscriptenFullscreenChangeEvent *event, void *userData); -static EM_BOOL EmscriptenWindowResizedCallback(int eventType, const EmscriptenUiEvent *event, void *userData); -static EM_BOOL EmscriptenResizeCallback(int eventType, const EmscriptenUiEvent *event, void *userData); - -// Emscripten input callback events -static EM_BOOL EmscriptenMouseCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData); -static EM_BOOL EmscriptenTouchCallback(int eventType, const EmscriptenTouchEvent *touchEvent, void *userData); -static EM_BOOL EmscriptenGamepadCallback(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData); - -//---------------------------------------------------------------------------------- -// Module Functions Declaration -//---------------------------------------------------------------------------------- -// NOTE: Functions declaration is provided by raylib.h - -//---------------------------------------------------------------------------------- -// Module Functions Definition: Window and Graphics Device -//---------------------------------------------------------------------------------- - -// Initialize window and OpenGL context -// NOTE: data parameter could be used to pass any kind of required data to the initialization -void InitWindow(int width, int height, const char *title) -{ - TRACELOG(LOG_INFO, "Initializing raylib %s", RAYLIB_VERSION); - - TRACELOG(LOG_INFO, "Supported raylib modules:"); - TRACELOG(LOG_INFO, " > rcore:..... loaded (mandatory)"); - TRACELOG(LOG_INFO, " > rlgl:...... loaded (mandatory)"); -#if defined(SUPPORT_MODULE_RSHAPES) - TRACELOG(LOG_INFO, " > rshapes:... loaded (optional)"); -#else - TRACELOG(LOG_INFO, " > rshapes:... not loaded (optional)"); -#endif -#if defined(SUPPORT_MODULE_RTEXTURES) - TRACELOG(LOG_INFO, " > rtextures:. loaded (optional)"); -#else - TRACELOG(LOG_INFO, " > rtextures:. not loaded (optional)"); -#endif -#if defined(SUPPORT_MODULE_RTEXT) - TRACELOG(LOG_INFO, " > rtext:..... loaded (optional)"); -#else - TRACELOG(LOG_INFO, " > rtext:..... not loaded (optional)"); -#endif -#if defined(SUPPORT_MODULE_RMODELS) - TRACELOG(LOG_INFO, " > rmodels:... loaded (optional)"); -#else - TRACELOG(LOG_INFO, " > rmodels:... not loaded (optional)"); -#endif -#if defined(SUPPORT_MODULE_RAUDIO) - TRACELOG(LOG_INFO, " > raudio:.... loaded (optional)"); -#else - TRACELOG(LOG_INFO, " > raudio:.... not loaded (optional)"); -#endif - - // Initialize window data - CORE.Window.screen.width = width; - CORE.Window.screen.height = height; - CORE.Window.eventWaiting = false; - CORE.Window.screenScale = MatrixIdentity(); // No draw scaling required by default - if ((title != NULL) && (title[0] != 0)) CORE.Window.title = title; - - // Initialize global input state - memset(&CORE.Input, 0, sizeof(CORE.Input)); // Reset CORE.Input structure to 0 - CORE.Input.Keyboard.exitKey = KEY_ESCAPE; - CORE.Input.Mouse.scale = (Vector2){ 1.0f, 1.0f }; - CORE.Input.Mouse.cursor = MOUSE_CURSOR_ARROW; - CORE.Input.Gamepad.lastButtonPressed = GAMEPAD_BUTTON_UNKNOWN; - - // Initialize platform - //-------------------------------------------------------------- - InitPlatform(); - //-------------------------------------------------------------- - - // Initialize OpenGL context (states and resources) - // NOTE: CORE.Window.currentFbo.width and CORE.Window.currentFbo.height not used, just stored as globals in rlgl - rlglInit(CORE.Window.currentFbo.width, CORE.Window.currentFbo.height); - - // Setup default viewport - // NOTE: It updated CORE.Window.render.width and CORE.Window.render.height - SetupViewport(CORE.Window.currentFbo.width, CORE.Window.currentFbo.height); - -#if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_DEFAULT_FONT) - // Load default font - // WARNING: External function: Module required: rtext - LoadFontDefault(); -#if defined(SUPPORT_MODULE_RSHAPES) - // Set font white rectangle for shapes drawing, so shapes and text can be batched together - // WARNING: rshapes module is required, if not available, default internal white rectangle is used - Rectangle rec = GetFontDefault().recs[95]; - if (CORE.Window.flags & FLAG_MSAA_4X_HINT) - { - // NOTE: We try to maxime rec padding to avoid pixel bleeding on MSAA filtering - SetShapesTexture(GetFontDefault().texture, (Rectangle){rec.x + 2, rec.y + 2, 1, 1}); - } - else - { - // NOTE: We set up a 1px padding on char rectangle to avoid pixel bleeding - SetShapesTexture(GetFontDefault().texture, (Rectangle){rec.x + 1, rec.y + 1, rec.width - 2, rec.height - 2}); - } -#endif -#else -#if defined(SUPPORT_MODULE_RSHAPES) - // Set default texture and rectangle to be used for shapes drawing - // NOTE: rlgl default texture is a 1x1 pixel UNCOMPRESSED_R8G8B8A8 - Texture2D texture = {rlGetTextureIdDefault(), 1, 1, 1, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8}; - SetShapesTexture(texture, (Rectangle){0.0f, 0.0f, 1.0f, 1.0f}); // WARNING: Module required: rshapes -#endif -#endif -#if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_DEFAULT_FONT) - if ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0) - { - // Set default font texture filter for HighDPI (blurry) - // RL_TEXTURE_FILTER_LINEAR - tex filter: BILINEAR, no mipmaps - rlTextureParameters(GetFontDefault().texture.id, RL_TEXTURE_MIN_FILTER, RL_TEXTURE_FILTER_LINEAR); - rlTextureParameters(GetFontDefault().texture.id, RL_TEXTURE_MAG_FILTER, RL_TEXTURE_FILTER_LINEAR); - } -#endif - -#if defined(SUPPORT_EVENTS_AUTOMATION) - events = (AutomationEvent *)RL_CALLOC(MAX_CODE_AUTOMATION_EVENTS, sizeof(AutomationEvent)); - CORE.Time.frameCounter = 0; -#endif - - // Initialize random seed - SetRandomSeed((unsigned int)time(NULL)); - - TRACELOG(LOG_INFO, "PLATFORM: WEB: Application initialized successfully"); -} - -// Close window and unload OpenGL context -void CloseWindow(void) -{ -#if defined(SUPPORT_GIF_RECORDING) - if (gifRecording) - { - MsfGifResult result = msf_gif_end(&gifState); - msf_gif_free(result); - gifRecording = false; - } -#endif - -#if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_DEFAULT_FONT) - UnloadFontDefault(); // WARNING: Module required: rtext -#endif - - rlglClose(); // De-init rlgl - - // De-initialize platform - //-------------------------------------------------------------- - ClosePlatform(); - //-------------------------------------------------------------- - -#if defined(SUPPORT_EVENTS_AUTOMATION) - RL_FREE(events); -#endif - - CORE.Window.ready = false; - TRACELOG(LOG_INFO, "Window closed successfully"); -} - -// Check if application should close -bool WindowShouldClose(void) -{ - // Emterpreter-Async required to run sync code - // https://github.com/emscripten-core/emscripten/wiki/Emterpreter#emterpreter-async-run-synchronous-code - // By default, this function is never called on a web-ready raylib example because we encapsulate - // frame code in a UpdateDrawFrame() function, to allow browser manage execution asynchronously - // but now emscripten allows sync code to be executed in an interpreted way, using emterpreter! - emscripten_sleep(16); - return false; -} - -// Toggle fullscreen mode -void ToggleFullscreen(void) -{ - /* - EM_ASM - ( - // This strategy works well while using raylib minimal web shell for emscripten, - // it re-scales the canvas to fullscreen using monitor resolution, for tools this - // is a good strategy but maybe games prefer to keep current canvas resolution and - // display it in fullscreen, adjusting monitor resolution if possible - if (document.fullscreenElement) document.exitFullscreen(); - else Module.requestFullscreen(true, true); //false, true); - ); - */ - // EM_ASM(Module.requestFullscreen(false, false);); - /* - if (!CORE.Window.fullscreen) - { - // Option 1: Request fullscreen for the canvas element - // This option does not seem to work at all: - // emscripten_request_pointerlock() and emscripten_request_fullscreen() are affected by web security, - // the user must click once on the canvas to hide the pointer or transition to full screen - //emscripten_request_fullscreen("#canvas", false); - - // Option 2: Request fullscreen for the canvas element with strategy - // This option does not seem to work at all - // Ref: https://github.com/emscripten-core/emscripten/issues/5124 - // EmscriptenFullscreenStrategy strategy = { - // .scaleMode = EMSCRIPTEN_FULLSCREEN_SCALE_STRETCH, //EMSCRIPTEN_FULLSCREEN_SCALE_ASPECT, - // .canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_STDDEF, - // .filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT, - // .canvasResizedCallback = EmscriptenWindowResizedCallback, - // .canvasResizedCallbackUserData = NULL - // }; - //emscripten_request_fullscreen_strategy("#canvas", EM_FALSE, &strategy); - - // Option 3: Request fullscreen for the canvas element with strategy - // It works as expected but only inside the browser (client area) - EmscriptenFullscreenStrategy strategy = { - .scaleMode = EMSCRIPTEN_FULLSCREEN_SCALE_ASPECT, - .canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_STDDEF, - .filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT, - .canvasResizedCallback = EmscriptenWindowResizedCallback, - .canvasResizedCallbackUserData = NULL - }; - emscripten_enter_soft_fullscreen("#canvas", &strategy); - - int width, height; - emscripten_get_canvas_element_size("#canvas", &width, &height); - TRACELOG(LOG_WARNING, "Emscripten: Enter fullscreen: Canvas size: %i x %i", width, height); - - CORE.Window.fullscreen = true; // Toggle fullscreen flag - CORE.Window.flags |= FLAG_FULLSCREEN_MODE; - } - else - { - //emscripten_exit_fullscreen(); - //emscripten_exit_soft_fullscreen(); - - int width, height; - emscripten_get_canvas_element_size("#canvas", &width, &height); - TRACELOG(LOG_WARNING, "Emscripten: Exit fullscreen: Canvas size: %i x %i", width, height); - - CORE.Window.fullscreen = false; // Toggle fullscreen flag - CORE.Window.flags &= ~FLAG_FULLSCREEN_MODE; - } - */ - - CORE.Window.fullscreen = !CORE.Window.fullscreen; // Toggle fullscreen flag -} - -// Toggle borderless windowed mode -void ToggleBorderlessWindowed(void) -{ - TRACELOG(LOG_WARNING, "ToggleBorderlessWindowed() not available on target platform"); -} - -// Set window state: maximized, if resizable -void MaximizeWindow(void) -{ - TRACELOG(LOG_WARNING, "MaximizeWindow() not available on target platform"); -} - -// Set window state: minimized -void MinimizeWindow(void) -{ - TRACELOG(LOG_WARNING, "MinimizeWindow() not available on target platform"); -} - -// Set window state: not minimized/maximized -void RestoreWindow(void) -{ - TRACELOG(LOG_WARNING, "RestoreWindow() not available on target platform"); -} - -// Set window configuration state using flags -void SetWindowState(unsigned int flags) -{ - TRACELOG(LOG_WARNING, "SetWindowState() not available on target platform"); -} - -// Clear window configuration state flags -void ClearWindowState(unsigned int flags) -{ - TRACELOG(LOG_WARNING, "ClearWindowState() not available on target platform"); -} - -// Set icon for window -void SetWindowIcon(Image image) -{ - TRACELOG(LOG_WARNING, "SetWindowIcon() not available on target platform"); -} - -// Set icon for window, multiple images -void SetWindowIcons(Image *images, int count) -{ - TRACELOG(LOG_WARNING, "SetWindowIcons() not available on target platform"); -} - -// Set title for window -void SetWindowTitle(const char *title) -{ - CORE.Window.title = title; - emscripten_set_window_title(title); -} - -// Set window position on screen (windowed mode) -void SetWindowPosition(int x, int y) -{ - TRACELOG(LOG_WARNING, "SetWindowPosition() not available on target platform"); -} - -// Set monitor for the current window -void SetWindowMonitor(int monitor) -{ - TRACELOG(LOG_WARNING, "SetWindowMonitor() not available on target platform"); -} - -// Set window minimum dimensions (FLAG_WINDOW_RESIZABLE) -void SetWindowMinSize(int width, int height) -{ - CORE.Window.screenMin.width = width; - CORE.Window.screenMin.height = height; - - // Trigger the resize event once to update the window minimum width and height - if ((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) != 0) EmscriptenResizeCallback(EMSCRIPTEN_EVENT_RESIZE, NULL, NULL); -} - -// Set window maximum dimensions (FLAG_WINDOW_RESIZABLE) -void SetWindowMaxSize(int width, int height) -{ - CORE.Window.screenMax.width = width; - CORE.Window.screenMax.height = height; - - // Trigger the resize event once to update the window maximum width and height - if ((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) != 0) EmscriptenResizeCallback(EMSCRIPTEN_EVENT_RESIZE, NULL, NULL); -} - -// Set window dimensions -void SetWindowSize(int width, int height) -{ - glfwSetWindowSize(platform.handle, width, height); -} - -// Set window opacity, value opacity is between 0.0 and 1.0 -void SetWindowOpacity(float opacity) -{ - TRACELOG(LOG_WARNING, "SetWindowOpacity() not available on target platform"); -} - -// Set window focused -void SetWindowFocused(void) -{ - TRACELOG(LOG_WARNING, "SetWindowFocused() not available on target platform"); -} - -// Get native window handle -void *GetWindowHandle(void) -{ - TRACELOG(LOG_WARNING, "GetWindowHandle() not implemented on target platform"); - return NULL; -} - -// Get number of monitors -int GetMonitorCount(void) -{ - TRACELOG(LOG_WARNING, "GetMonitorCount() not implemented on target platform"); - return 1; -} - -// Get number of monitors -int GetCurrentMonitor(void) -{ - TRACELOG(LOG_WARNING, "GetCurrentMonitor() not implemented on target platform"); - return 0; -} - -// Get selected monitor position -Vector2 GetMonitorPosition(int monitor) -{ - TRACELOG(LOG_WARNING, "GetMonitorPosition() not implemented on target platform"); - return (Vector2){ 0, 0 }; -} - -// Get selected monitor width (currently used by monitor) -int GetMonitorWidth(int monitor) -{ - TRACELOG(LOG_WARNING, "GetMonitorWidth() not implemented on target platform"); - return 0; -} - -// Get selected monitor height (currently used by monitor) -int GetMonitorHeight(int monitor) -{ - TRACELOG(LOG_WARNING, "GetMonitorHeight() not implemented on target platform"); - return 0; -} - -// Get selected monitor physical width in millimetres -int GetMonitorPhysicalWidth(int monitor) -{ - TRACELOG(LOG_WARNING, "GetMonitorPhysicalWidth() not implemented on target platform"); - return 0; -} - -// Get selected monitor physical height in millimetres -int GetMonitorPhysicalHeight(int monitor) -{ - TRACELOG(LOG_WARNING, "GetMonitorPhysicalHeight() not implemented on target platform"); - return 0; -} - -// Get selected monitor refresh rate -int GetMonitorRefreshRate(int monitor) -{ - TRACELOG(LOG_WARNING, "GetMonitorRefreshRate() not implemented on target platform"); - return 0; -} - -// Get the human-readable, UTF-8 encoded name of the selected monitor -const char *GetMonitorName(int monitor) -{ - TRACELOG(LOG_WARNING, "GetMonitorName() not implemented on target platform"); - return ""; -} - -// Get window position XY on monitor -Vector2 GetWindowPosition(void) -{ - TRACELOG(LOG_WARNING, "GetWindowPosition() not implemented on target platform"); - return (Vector2){ 0, 0 }; -} - -// Get window scale DPI factor for current monitor -Vector2 GetWindowScaleDPI(void) -{ - TRACELOG(LOG_WARNING, "GetWindowScaleDPI() not implemented on target platform"); - return (Vector2){ 1.0f, 1.0f }; -} - -// Set clipboard text content -void SetClipboardText(const char *text) -{ - // Security check to (partially) avoid malicious code - if (strchr(text, '\'') != NULL) TRACELOG(LOG_WARNING, "SYSTEM: Provided Clipboard could be potentially malicious, avoid [\'] character"); - else EM_ASM({ navigator.clipboard.writeText(UTF8ToString($0)); }, text); -} - -// Get clipboard text content -// NOTE: returned string is allocated and freed by GLFW -const char *GetClipboardText(void) -{ -/* - // Accessing clipboard data from browser is tricky due to security reasons - // The method to use is navigator.clipboard.readText() but this is an asynchronous method - // that will return at some moment after the function is called with the required data - emscripten_run_script_string("navigator.clipboard.readText() \ - .then(text => { document.getElementById('clipboard').innerText = text; console.log('Pasted content: ', text); }) \ - .catch(err => { console.error('Failed to read clipboard contents: ', err); });" - ); - - // The main issue is getting that data, one approach could be using ASYNCIFY and wait - // for the data but it requires adding Asyncify emscripten library on compilation - - // Another approach could be just copy the data in a HTML text field and try to retrieve it - // later on if available... and clean it for future accesses -*/ - return NULL; -} - -// Show mouse cursor -void ShowCursor(void) -{ - CORE.Input.Mouse.cursorHidden = false; -} - -// Hides mouse cursor -void HideCursor(void) -{ - CORE.Input.Mouse.cursorHidden = true; -} - -// Enables cursor (unlock cursor) -void EnableCursor(void) -{ - emscripten_exit_pointerlock(); - - // Set cursor position in the middle - SetMousePosition(CORE.Window.screen.width/2, CORE.Window.screen.height/2); - - CORE.Input.Mouse.cursorHidden = false; -} - -// Disables cursor (lock cursor) -void DisableCursor(void) -{ - // TODO: figure out how not to hard code the canvas ID here. - emscripten_request_pointerlock("#canvas", 1); - - // Set cursor position in the middle - SetMousePosition(CORE.Window.screen.width/2, CORE.Window.screen.height/2); - - CORE.Input.Mouse.cursorHidden = true; -} - -// Swap back buffer with front buffer (screen drawing) -void SwapScreenBuffer(void) -{ - glfwSwapBuffers(platform.handle); -} - -//---------------------------------------------------------------------------------- -// Module Functions Definition: Misc -//---------------------------------------------------------------------------------- - -// Get elapsed time measure in seconds since InitTimer() -double GetTime(void) -{ - double time = glfwGetTime(); // Elapsed time since glfwInit() - return time; -} - -// Open URL with default system browser (if available) -// NOTE: This function is only safe to use if you control the URL given. -// A user could craft a malicious string performing another action. -// Only call this function yourself not with user input or make sure to check the string yourself. -// Ref: https://github.com/raysan5/raylib/issues/686 -void OpenURL(const char *url) -{ - // Security check to (partially) avoid malicious code on target platform - if (strchr(url, '\'') != NULL) TRACELOG(LOG_WARNING, "SYSTEM: Provided URL could be potentially malicious, avoid [\'] character"); - else emscripten_run_script(TextFormat("window.open('%s', '_blank')", url)); -} - -//---------------------------------------------------------------------------------- -// Module Functions Definition: Inputs -//---------------------------------------------------------------------------------- - -// Set internal gamepad mappings -int SetGamepadMappings(const char *mappings) -{ - TRACELOG(LOG_INFO, "SetGamepadMappings not implemented in rcore_web.c"); - - return 0; -} - -// Set mouse position XY -void SetMousePosition(int x, int y) -{ - CORE.Input.Mouse.currentPosition = (Vector2){ (float)x, (float)y }; - CORE.Input.Mouse.previousPosition = CORE.Input.Mouse.currentPosition; - - // NOTE: emscripten not implemented - glfwSetCursorPos(platform.handle, CORE.Input.Mouse.currentPosition.x, CORE.Input.Mouse.currentPosition.y); -} - -// Set mouse cursor -void SetMouseCursor(int cursor) -{ - if (CORE.Input.Mouse.cursor != cursor) - { - const char *cursorName = NULL; - CORE.Input.Mouse.cursor = cursor; - - switch (cursor) - { - case MOUSE_CURSOR_IBEAM: cursorName = "text"; break; - case MOUSE_CURSOR_CROSSHAIR: cursorName = "crosshair"; break; - case MOUSE_CURSOR_POINTING_HAND: cursorName = "pointer"; break; - case MOUSE_CURSOR_RESIZE_EW: cursorName = "ew-resize"; break; - case MOUSE_CURSOR_RESIZE_NS: cursorName = "ns-resize"; break; - case MOUSE_CURSOR_RESIZE_NWSE: cursorName = "nwse-resize"; break; - case MOUSE_CURSOR_RESIZE_NESW: cursorName = "nesw-resize"; break; - case MOUSE_CURSOR_RESIZE_ALL: cursorName = "move"; break; - case MOUSE_CURSOR_NOT_ALLOWED: cursorName = "not-allowed"; break; - case MOUSE_CURSOR_ARROW: // WARNING: It does not seem t be a specific cursor for arrow - case MOUSE_CURSOR_DEFAULT: cursorName = "default"; break; - default: - { - cursorName = "default"; - CORE.Input.Mouse.cursor = MOUSE_CURSOR_DEFAULT; - } break; - } - - // Set the cursor element on the canvas CSS - // The canvas is coded to the Id "canvas" on init - EM_ASM({document.getElementById("canvas").style.cursor = UTF8ToString($0);}, cursorName); - } -} - -// Register all input events -void PollInputEvents(void) -{ -#if defined(SUPPORT_GESTURES_SYSTEM) - // NOTE: Gestures update must be called every frame to reset gestures correctly - // because ProcessGestureEvent() is just called on an event, not every frame - UpdateGestures(); -#endif - - // Reset keys/chars pressed registered - CORE.Input.Keyboard.keyPressedQueueCount = 0; - CORE.Input.Keyboard.charPressedQueueCount = 0; - // Reset key repeats - for (int i = 0; i < MAX_KEYBOARD_KEYS; i++) CORE.Input.Keyboard.keyRepeatInFrame[i] = 0; - - // Reset last gamepad button/axis registered state - CORE.Input.Gamepad.lastButtonPressed = 0; // GAMEPAD_BUTTON_UNKNOWN - //CORE.Input.Gamepad.axisCount = 0; - // Keyboard/Mouse input polling (automatically managed by GLFW3 through callback) - - // Register previous keys states - for (int i = 0; i < MAX_KEYBOARD_KEYS; i++) - { - CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; - CORE.Input.Keyboard.keyRepeatInFrame[i] = 0; - } - - // Register previous mouse states - for (int i = 0; i < MAX_MOUSE_BUTTONS; i++) CORE.Input.Mouse.previousButtonState[i] = CORE.Input.Mouse.currentButtonState[i]; - - // Register previous mouse wheel state - CORE.Input.Mouse.previousWheelMove = CORE.Input.Mouse.currentWheelMove; - CORE.Input.Mouse.currentWheelMove = (Vector2){ 0.0f, 0.0f }; - - // Register previous mouse position - CORE.Input.Mouse.previousPosition = CORE.Input.Mouse.currentPosition; - - // Register previous touch states - for (int i = 0; i < MAX_TOUCH_POINTS; i++) CORE.Input.Touch.previousTouchState[i] = CORE.Input.Touch.currentTouchState[i]; - - // Reset touch positions - // TODO: It resets on target platform the mouse position and not filled again until a move-event, - // so, if mouse is not moved it returns a (0, 0) position... this behaviour should be reviewed! - //for (int i = 0; i < MAX_TOUCH_POINTS; i++) CORE.Input.Touch.position[i] = (Vector2){ 0, 0 }; - - CORE.Window.resizedLastFrame = false; - - // Gamepad support using emscripten API - // NOTE: GLFW3 joystick functionality not available in web - - // Get number of gamepads connected - int numGamepads = 0; - if (emscripten_sample_gamepad_data() == EMSCRIPTEN_RESULT_SUCCESS) numGamepads = emscripten_get_num_gamepads(); - - for (int i = 0; (i < numGamepads) && (i < MAX_GAMEPADS); i++) - { - // Register previous gamepad button states - for (int k = 0; k < MAX_GAMEPAD_BUTTONS; k++) CORE.Input.Gamepad.previousButtonState[i][k] = CORE.Input.Gamepad.currentButtonState[i][k]; - - EmscriptenGamepadEvent gamepadState; - - int result = emscripten_get_gamepad_status(i, &gamepadState); - - if (result == EMSCRIPTEN_RESULT_SUCCESS) - { - // Register buttons data for every connected gamepad - for (int j = 0; (j < gamepadState.numButtons) && (j < MAX_GAMEPAD_BUTTONS); j++) - { - GamepadButton button = -1; - - // Gamepad Buttons reference: https://www.w3.org/TR/gamepad/#gamepad-interface - switch (j) - { - case 0: button = GAMEPAD_BUTTON_RIGHT_FACE_DOWN; break; - case 1: button = GAMEPAD_BUTTON_RIGHT_FACE_RIGHT; break; - case 2: button = GAMEPAD_BUTTON_RIGHT_FACE_LEFT; break; - case 3: button = GAMEPAD_BUTTON_RIGHT_FACE_UP; break; - case 4: button = GAMEPAD_BUTTON_LEFT_TRIGGER_1; break; - case 5: button = GAMEPAD_BUTTON_RIGHT_TRIGGER_1; break; - case 6: button = GAMEPAD_BUTTON_LEFT_TRIGGER_2; break; - case 7: button = GAMEPAD_BUTTON_RIGHT_TRIGGER_2; break; - case 8: button = GAMEPAD_BUTTON_MIDDLE_LEFT; break; - case 9: button = GAMEPAD_BUTTON_MIDDLE_RIGHT; break; - case 10: button = GAMEPAD_BUTTON_LEFT_THUMB; break; - case 11: button = GAMEPAD_BUTTON_RIGHT_THUMB; break; - case 12: button = GAMEPAD_BUTTON_LEFT_FACE_UP; break; - case 13: button = GAMEPAD_BUTTON_LEFT_FACE_DOWN; break; - case 14: button = GAMEPAD_BUTTON_LEFT_FACE_LEFT; break; - case 15: button = GAMEPAD_BUTTON_LEFT_FACE_RIGHT; break; - default: break; - } - - if (button != -1) // Check for valid button - { - if (gamepadState.digitalButton[j] == 1) - { - CORE.Input.Gamepad.currentButtonState[i][button] = 1; - CORE.Input.Gamepad.lastButtonPressed = button; - } - else CORE.Input.Gamepad.currentButtonState[i][button] = 0; - } - - //TRACELOGD("INPUT: Gamepad %d, button %d: Digital: %d, Analog: %g", gamepadState.index, j, gamepadState.digitalButton[j], gamepadState.analogButton[j]); - } - - // Register axis data for every connected gamepad - for (int j = 0; (j < gamepadState.numAxes) && (j < MAX_GAMEPAD_AXIS); j++) - { - CORE.Input.Gamepad.axisState[i][j] = gamepadState.axis[j]; - } - - CORE.Input.Gamepad.axisCount[i] = gamepadState.numAxes; - } - } -} - - -//---------------------------------------------------------------------------------- -// Module Internal Functions Definition -//---------------------------------------------------------------------------------- - -// Initialize platform: graphics, inputs and more -static int InitPlatform(void) -{ - glfwSetErrorCallback(ErrorCallback); - - // Initialize GLFW internal global state - int result = glfwInit(); - if (result == GLFW_FALSE) { TRACELOG(LOG_WARNING, "GLFW: Failed to initialize GLFW"); return -1; } - - glfwDefaultWindowHints(); // Set default windows hints - // glfwWindowHint(GLFW_RED_BITS, 8); // Framebuffer red color component bits - // glfwWindowHint(GLFW_GREEN_BITS, 8); // Framebuffer green color component bits - // glfwWindowHint(GLFW_BLUE_BITS, 8); // Framebuffer blue color component bits - // glfwWindowHint(GLFW_ALPHA_BITS, 8); // Framebuffer alpha color component bits - // glfwWindowHint(GLFW_DEPTH_BITS, 24); // Depthbuffer bits - // glfwWindowHint(GLFW_REFRESH_RATE, 0); // Refresh rate for fullscreen window - // glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API); // OpenGL API to use. Alternative: GLFW_OPENGL_ES_API - // glfwWindowHint(GLFW_AUX_BUFFERS, 0); // Number of auxiliar buffers - - // Check window creation flags - if ((CORE.Window.flags & FLAG_FULLSCREEN_MODE) > 0) CORE.Window.fullscreen = true; - - if ((CORE.Window.flags & FLAG_WINDOW_HIDDEN) > 0) glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE); // Visible window - else glfwWindowHint(GLFW_VISIBLE, GLFW_TRUE); // Window initially hidden - - if ((CORE.Window.flags & FLAG_WINDOW_UNDECORATED) > 0) glfwWindowHint(GLFW_DECORATED, GLFW_FALSE); // Border and buttons on Window - else glfwWindowHint(GLFW_DECORATED, GLFW_TRUE); // Decorated window - - if ((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) > 0) glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE); // Resizable window - else glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE); // Avoid window being resizable - - // Disable FLAG_WINDOW_MINIMIZED, not supported on initialization - if ((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) > 0) CORE.Window.flags &= ~FLAG_WINDOW_MINIMIZED; - - // Disable FLAG_WINDOW_MAXIMIZED, not supported on initialization - if ((CORE.Window.flags & FLAG_WINDOW_MAXIMIZED) > 0) CORE.Window.flags &= ~FLAG_WINDOW_MAXIMIZED; - - if ((CORE.Window.flags & FLAG_WINDOW_UNFOCUSED) > 0) glfwWindowHint(GLFW_FOCUSED, GLFW_FALSE); - else glfwWindowHint(GLFW_FOCUSED, GLFW_TRUE); - - if ((CORE.Window.flags & FLAG_WINDOW_TOPMOST) > 0) glfwWindowHint(GLFW_FLOATING, GLFW_TRUE); - else glfwWindowHint(GLFW_FLOATING, GLFW_FALSE); - - // NOTE: Some GLFW flags are not supported on HTML5 - // e.g.: GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_SCALE_TO_MONITOR, GLFW_COCOA_RETINA_FRAMEBUFFER, GLFW_MOUSE_PASSTHROUGH - - if (CORE.Window.flags & FLAG_MSAA_4X_HINT) - { - // NOTE: MSAA is only enabled for main framebuffer, not user-created FBOs - TRACELOG(LOG_INFO, "DISPLAY: Trying to enable MSAA x4"); - glfwWindowHint(GLFW_SAMPLES, 4); // Tries to enable multisampling x4 (MSAA), default is 0 - } - - // NOTE: When asking for an OpenGL context version, most drivers provide the highest supported version - // with backward compatibility to older OpenGL versions. - // For example, if using OpenGL 1.1, driver can provide a 4.3 backwards compatible context. - - // Check selection OpenGL version - if (rlGetVersion() == RL_OPENGL_21) - { - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); // Choose OpenGL major version (just hint) - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1); // Choose OpenGL minor version (just hint) - } - else if (rlGetVersion() == RL_OPENGL_33) - { - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); // Choose OpenGL major version (just hint) - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); // Choose OpenGL minor version (just hint) - glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // Profiles Hint: Only 3.3 and above! - // Values: GLFW_OPENGL_CORE_PROFILE, GLFW_OPENGL_ANY_PROFILE, GLFW_OPENGL_COMPAT_PROFILE - glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_FALSE); // Forward Compatibility Hint: Only 3.3 and above! - // glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE); // Request OpenGL DEBUG context - } - else if (rlGetVersion() == RL_OPENGL_43) - { - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4); // Choose OpenGL major version (just hint) - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); // Choose OpenGL minor version (just hint) - glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); - glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_FALSE); -#if defined(RLGL_ENABLE_OPENGL_DEBUG_CONTEXT) - glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE); // Enable OpenGL Debug Context -#endif - } - else if (rlGetVersion() == RL_OPENGL_ES_20) // Request OpenGL ES 2.0 context - { - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); - glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API); - glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_NATIVE_CONTEXT_API); - } - else if (rlGetVersion() == RL_OPENGL_ES_30) // Request OpenGL ES 3.0 context - { - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); - glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API); - glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_NATIVE_CONTEXT_API); - } - - // NOTE: Getting video modes is not implemented in emscripten GLFW3 version - CORE.Window.display.width = CORE.Window.screen.width; - CORE.Window.display.height = CORE.Window.screen.height; - - if (CORE.Window.fullscreen) - { - // remember center for switchinging from fullscreen to window - if ((CORE.Window.screen.height == CORE.Window.display.height) && (CORE.Window.screen.width == CORE.Window.display.width)) - { - // If screen width/height equal to the display, we can't calculate the window pos for toggling full-screened/windowed. - // Toggling full-screened/windowed with pos(0, 0) can cause problems in some platforms, such as X11. - CORE.Window.position.x = CORE.Window.display.width/4; - CORE.Window.position.y = CORE.Window.display.height/4; - } - else - { - CORE.Window.position.x = CORE.Window.display.width/2 - CORE.Window.screen.width/2; - CORE.Window.position.y = CORE.Window.display.height/2 - CORE.Window.screen.height/2; - } - - if (CORE.Window.position.x < 0) CORE.Window.position.x = 0; - if (CORE.Window.position.y < 0) CORE.Window.position.y = 0; - - // Obtain recommended CORE.Window.display.width/CORE.Window.display.height from a valid videomode for the monitor - int count = 0; - const GLFWvidmode *modes = glfwGetVideoModes(glfwGetPrimaryMonitor(), &count); - - // Get closest video mode to desired CORE.Window.screen.width/CORE.Window.screen.height - for (int i = 0; i < count; i++) - { - if ((unsigned int)modes[i].width >= CORE.Window.screen.width) - { - if ((unsigned int)modes[i].height >= CORE.Window.screen.height) - { - CORE.Window.display.width = modes[i].width; - CORE.Window.display.height = modes[i].height; - break; - } - } - } - - TRACELOG(LOG_WARNING, "SYSTEM: Closest fullscreen videomode: %i x %i", CORE.Window.display.width, CORE.Window.display.height); - - // NOTE: ISSUE: Closest videomode could not match monitor aspect-ratio, for example, - // for a desired screen size of 800x450 (16:9), closest supported videomode is 800x600 (4:3), - // framebuffer is rendered correctly but once displayed on a 16:9 monitor, it gets stretched - // by the sides to fit all monitor space... - - // Try to setup the most appropriate fullscreen framebuffer for the requested screenWidth/screenHeight - // It considers device display resolution mode and setups a framebuffer with black bars if required (render size/offset) - // Modified global variables: CORE.Window.screen.width/CORE.Window.screen.height - CORE.Window.render.width/CORE.Window.render.height - CORE.Window.renderOffset.x/CORE.Window.renderOffset.y - CORE.Window.screenScale - // TODO: It is a quite cumbersome solution to display size vs requested size, it should be reviewed or removed... - // HighDPI monitors are properly considered in a following similar function: SetupViewport() - SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height); - - platform.handle = glfwCreateWindow(CORE.Window.display.width, CORE.Window.display.height, (CORE.Window.title != 0)? CORE.Window.title : " ", glfwGetPrimaryMonitor(), NULL); - - // NOTE: Full-screen change, not working properly... - // glfwSetWindowMonitor(platform.handle, glfwGetPrimaryMonitor(), 0, 0, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE); - } - else - { - // No-fullscreen window creation - platform.handle = glfwCreateWindow(CORE.Window.screen.width, CORE.Window.screen.height, (CORE.Window.title != 0)? CORE.Window.title : " ", NULL, NULL); - - if (platform.handle) - { - CORE.Window.render.width = CORE.Window.screen.width; - CORE.Window.render.height = CORE.Window.screen.height; - } - } - - if (!platform.handle) - { - glfwTerminate(); - TRACELOG(LOG_WARNING, "GLFW: Failed to initialize Window"); - return -1; - } - - // WARNING: glfwCreateWindow() title doesn't work with emscripten - emscripten_set_window_title((CORE.Window.title != 0)? CORE.Window.title : " "); - - // Set window callback events - glfwSetWindowSizeCallback(platform.handle, WindowSizeCallback); // NOTE: Resizing not allowed by default! - glfwSetWindowIconifyCallback(platform.handle, WindowIconifyCallback); - glfwSetWindowFocusCallback(platform.handle, WindowFocusCallback); - glfwSetDropCallback(platform.handle, WindowDropCallback); - - // Set input callback events - glfwSetKeyCallback(platform.handle, KeyCallback); - glfwSetCharCallback(platform.handle, CharCallback); - glfwSetMouseButtonCallback(platform.handle, MouseButtonCallback); - glfwSetCursorPosCallback(platform.handle, MouseCursorPosCallback); // Track mouse position changes - glfwSetScrollCallback(platform.handle, MouseScrollCallback); - glfwSetCursorEnterCallback(platform.handle, CursorEnterCallback); - - glfwMakeContextCurrent(platform.handle); - - // Load OpenGL extensions - // NOTE: GL procedures address loader is required to load extensions - rlLoadExtensions(glfwGetProcAddress); - - if ((CORE.Window.flags & FLAG_WINDOW_MINIMIZED) > 0) MinimizeWindow(); - - // Try to enable GPU V-Sync, so frames are limited to screen refresh rate (60Hz -> 60 FPS) - // NOTE: V-Sync can be enabled by graphic driver configuration, it doesn't need - // to be activated on web platforms since VSync is enforced there. - - int fbWidth = CORE.Window.screen.width; - int fbHeight = CORE.Window.screen.height; - - CORE.Window.render.width = fbWidth; - CORE.Window.render.height = fbHeight; - CORE.Window.currentFbo.width = fbWidth; - CORE.Window.currentFbo.height = fbHeight; - - TRACELOG(LOG_INFO, "DISPLAY: Device initialized successfully"); - TRACELOG(LOG_INFO, " > Display size: %i x %i", CORE.Window.display.width, CORE.Window.display.height); - TRACELOG(LOG_INFO, " > Screen size: %i x %i", CORE.Window.screen.width, CORE.Window.screen.height); - TRACELOG(LOG_INFO, " > Render size: %i x %i", CORE.Window.render.width, CORE.Window.render.height); - TRACELOG(LOG_INFO, " > Viewport offsets: %i, %i", CORE.Window.renderOffset.x, CORE.Window.renderOffset.y); - - CORE.Window.ready = true; // TODO: Proper validation on windows/context creation - - // If graphic device is no properly initialized, we end program - if (!CORE.Window.ready) { TRACELOG(LOG_FATAL, "PLATFORM: Failed to initialize graphic device"); return -1; } - else SetWindowPosition(GetMonitorWidth(GetCurrentMonitor())/2 - CORE.Window.screen.width/2, GetMonitorHeight(GetCurrentMonitor())/2 - CORE.Window.screen.height/2); - - // Initialize hi-res timer - InitTimer(); - - // Initialize base path for storage - CORE.Storage.basePath = GetWorkingDirectory(); - - // Setup callback functions for the DOM events - emscripten_set_fullscreenchange_callback("#canvas", NULL, 1, EmscriptenFullscreenChangeCallback); - - // WARNING: Below resize code was breaking fullscreen mode for sample games and examples, it needs review - // Check fullscreen change events(note this is done on the window since most browsers don't support this on #canvas) - // emscripten_set_fullscreenchange_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, NULL, 1, EmscriptenResizeCallback); - // Check Resize event (note this is done on the window since most browsers don't support this on #canvas) - emscripten_set_resize_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, NULL, 1, EmscriptenResizeCallback); - - // Trigger this once to get initial window sizing - EmscriptenResizeCallback(EMSCRIPTEN_EVENT_RESIZE, NULL, NULL); - - // Support keyboard events -> Not used, GLFW.JS takes care of that - // emscripten_set_keypress_callback("#canvas", NULL, 1, EmscriptenKeyboardCallback); - // emscripten_set_keydown_callback("#canvas", NULL, 1, EmscriptenKeyboardCallback); - - // Support mouse events - emscripten_set_click_callback("#canvas", NULL, 1, EmscriptenMouseCallback); - - // Support touch events - emscripten_set_touchstart_callback("#canvas", NULL, 1, EmscriptenTouchCallback); - emscripten_set_touchend_callback("#canvas", NULL, 1, EmscriptenTouchCallback); - emscripten_set_touchmove_callback("#canvas", NULL, 1, EmscriptenTouchCallback); - emscripten_set_touchcancel_callback("#canvas", NULL, 1, EmscriptenTouchCallback); - - // Support gamepad events (not provided by GLFW3 on emscripten) - emscripten_set_gamepadconnected_callback(NULL, 1, EmscriptenGamepadCallback); - emscripten_set_gamepaddisconnected_callback(NULL, 1, EmscriptenGamepadCallback); - - return 0; -} - -// Close platform -static void ClosePlatform(void) -{ - glfwDestroyWindow(platform.handle); - glfwTerminate(); -} - -// GLFW3 Error Callback, runs on GLFW3 error -static void ErrorCallback(int error, const char *description) -{ - TRACELOG(LOG_WARNING, "GLFW: Error: %i Description: %s", error, description); -} - -// GLFW3 WindowSize Callback, runs when window is resizedLastFrame -// NOTE: Window resizing not allowed by default -static void WindowSizeCallback(GLFWwindow *window, int width, int height) -{ - // Reset viewport and projection matrix for new size - SetupViewport(width, height); - - CORE.Window.currentFbo.width = width; - CORE.Window.currentFbo.height = height; - CORE.Window.resizedLastFrame = true; - - if (IsWindowFullscreen()) return; - - // Set current screen size - if ((CORE.Window.flags & FLAG_WINDOW_HIGHDPI) > 0) - { - Vector2 windowScaleDPI = GetWindowScaleDPI(); - - CORE.Window.screen.width = (unsigned int)(width/windowScaleDPI.x); - CORE.Window.screen.height = (unsigned int)(height/windowScaleDPI.y); - } - else - { - CORE.Window.screen.width = width; - CORE.Window.screen.height = height; - } - - // NOTE: Postprocessing texture is not scaled to new size -} - -// GLFW3 WindowIconify Callback, runs when window is minimized/restored -static void WindowIconifyCallback(GLFWwindow *window, int iconified) -{ - if (iconified) CORE.Window.flags |= FLAG_WINDOW_MINIMIZED; // The window was iconified - else CORE.Window.flags &= ~FLAG_WINDOW_MINIMIZED; // The window was restored -} - -// GLFW3 Window Maximize Callback, runs when window is maximized -static void WindowMaximizeCallback(GLFWwindow *window, int maximized) -{ - // TODO. -} - -// GLFW3 WindowFocus Callback, runs when window get/lose focus -static void WindowFocusCallback(GLFWwindow *window, int focused) -{ - if (focused) CORE.Window.flags &= ~FLAG_WINDOW_UNFOCUSED; // The window was focused - else CORE.Window.flags |= FLAG_WINDOW_UNFOCUSED; // The window lost focus -} - -// GLFW3 Window Drop Callback, runs when drop files into window -static void WindowDropCallback(GLFWwindow *window, int count, const char **paths) -{ - if (count > 0) - { - // In case previous dropped filepaths have not been freed, we free them - if (CORE.Window.dropFileCount > 0) - { - for (unsigned int i = 0; i < CORE.Window.dropFileCount; i++) RL_FREE(CORE.Window.dropFilepaths[i]); - - RL_FREE(CORE.Window.dropFilepaths); - - CORE.Window.dropFileCount = 0; - CORE.Window.dropFilepaths = NULL; - } - - // WARNING: Paths are freed by GLFW when the callback returns, we must keep an internal copy - CORE.Window.dropFileCount = count; - CORE.Window.dropFilepaths = (char **)RL_CALLOC(CORE.Window.dropFileCount, sizeof(char *)); - - for (unsigned int i = 0; i < CORE.Window.dropFileCount; i++) - { - CORE.Window.dropFilepaths[i] = (char *)RL_CALLOC(MAX_FILEPATH_LENGTH, sizeof(char)); - strcpy(CORE.Window.dropFilepaths[i], paths[i]); - } - } -} - -// GLFW3 Keyboard Callback, runs on key pressed -static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods) -{ - if (key < 0) return; // Security check, macOS fn key generates -1 - - // WARNING: GLFW could return GLFW_REPEAT, we need to consider it as 1 - // to work properly with our implementation (IsKeyDown/IsKeyUp checks) - if (action == GLFW_RELEASE) CORE.Input.Keyboard.currentKeyState[key] = 0; - else if(action == GLFW_PRESS) CORE.Input.Keyboard.currentKeyState[key] = 1; - else if(action == GLFW_REPEAT) CORE.Input.Keyboard.keyRepeatInFrame[key] = 1; - - // Check if there is space available in the key queue - if ((CORE.Input.Keyboard.keyPressedQueueCount < MAX_KEY_PRESSED_QUEUE) && (action == GLFW_PRESS)) - { - // Add character to the queue - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = key; - CORE.Input.Keyboard.keyPressedQueueCount++; - } - - // Check the exit key to set close window - if ((key == CORE.Input.Keyboard.exitKey) && (action == GLFW_PRESS)) glfwSetWindowShouldClose(platform.handle, GLFW_TRUE); - -#if defined(SUPPORT_SCREEN_CAPTURE) - if ((key == GLFW_KEY_F12) && (action == GLFW_PRESS)) - { -#if defined(SUPPORT_GIF_RECORDING) - if (mods & GLFW_MOD_CONTROL) - { - if (gifRecording) - { - gifRecording = false; - - MsfGifResult result = msf_gif_end(&gifState); - - SaveFileData(TextFormat("%s/screenrec%03i.gif", CORE.Storage.basePath, screenshotCounter), result.data, (unsigned int)result.dataSize); - msf_gif_free(result); - - // Download file from MEMFS (emscripten memory filesystem) - // saveFileFromMEMFSToDisk() function is defined in raylib/templates/web_shel/shell.html - emscripten_run_script(TextFormat("saveFileFromMEMFSToDisk('%s','%s')", TextFormat("screenrec%03i.gif", screenshotCounter - 1), TextFormat("screenrec%03i.gif", screenshotCounter - 1))); - - TRACELOG(LOG_INFO, "SYSTEM: Finish animated GIF recording"); - } - else - { - gifRecording = true; - gifFrameCounter = 0; - - Vector2 scale = GetWindowScaleDPI(); - msf_gif_begin(&gifState, (int)((float)CORE.Window.render.width*scale.x), (int)((float)CORE.Window.render.height*scale.y)); - screenshotCounter++; - - TRACELOG(LOG_INFO, "SYSTEM: Start animated GIF recording: %s", TextFormat("screenrec%03i.gif", screenshotCounter)); - } - } - else -#endif // SUPPORT_GIF_RECORDING - { - TakeScreenshot(TextFormat("screenshot%03i.png", screenshotCounter)); - screenshotCounter++; - } - } -#endif // SUPPORT_SCREEN_CAPTURE - -#if defined(SUPPORT_EVENTS_AUTOMATION) - if ((key == GLFW_KEY_F11) && (action == GLFW_PRESS)) - { - eventsRecording = !eventsRecording; - - // On finish recording, we export events into a file - if (!eventsRecording) ExportAutomationEvents("eventsrec.rep"); - } - else if ((key == GLFW_KEY_F9) && (action == GLFW_PRESS)) - { - LoadAutomationEvents("eventsrec.rep"); - eventsPlaying = true; - - TRACELOG(LOG_WARNING, "eventsPlaying enabled!"); - } -#endif -} - -// GLFW3 Char Key Callback, runs on key down (gets equivalent unicode char value) -static void CharCallback(GLFWwindow *window, unsigned int key) -{ - //TRACELOG(LOG_DEBUG, "Char Callback: KEY:%i(%c)", key, key); - - // NOTE: Registers any key down considering OS keyboard layout but - // does not detect action events, those should be managed by user... - // Ref: https://github.com/glfw/glfw/issues/668#issuecomment-166794907 - // Ref: https://www.glfw.org/docs/latest/input_guide.html#input_char - - // Check if there is space available in the queue - if (CORE.Input.Keyboard.charPressedQueueCount < MAX_CHAR_PRESSED_QUEUE) - { - // Add character to the queue - CORE.Input.Keyboard.charPressedQueue[CORE.Input.Keyboard.charPressedQueueCount] = key; - CORE.Input.Keyboard.charPressedQueueCount++; - } -} - -// GLFW3 Mouse Button Callback, runs on mouse button pressed -static void MouseButtonCallback(GLFWwindow *window, int button, int action, int mods) -{ - // WARNING: GLFW could only return GLFW_PRESS (1) or GLFW_RELEASE (0) for now, - // but future releases may add more actions (i.e. GLFW_REPEAT) - CORE.Input.Mouse.currentButtonState[button] = action; - -#if defined(SUPPORT_GESTURES_SYSTEM) && defined(SUPPORT_MOUSE_GESTURES) - // Process mouse events as touches to be able to use mouse-gestures - GestureEvent gestureEvent = { 0 }; - - // Register touch actions - if ((CORE.Input.Mouse.currentButtonState[button] == 1) && (CORE.Input.Mouse.previousButtonState[button] == 0)) gestureEvent.touchAction = TOUCH_ACTION_DOWN; - else if ((CORE.Input.Mouse.currentButtonState[button] == 0) && (CORE.Input.Mouse.previousButtonState[button] == 1)) gestureEvent.touchAction = TOUCH_ACTION_UP; - - // NOTE: TOUCH_ACTION_MOVE event is registered in MouseCursorPosCallback() - - // Assign a pointer ID - gestureEvent.pointId[0] = 0; - - // Register touch points count - gestureEvent.pointCount = 1; - - // Register touch points position, only one point registered - gestureEvent.position[0] = GetMousePosition(); - - // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height - gestureEvent.position[0].x /= (float)GetScreenWidth(); - gestureEvent.position[0].y /= (float)GetScreenHeight(); - - // Gesture data is sent to gestures-system for processing - // Prevent calling ProcessGestureEvent() when Emscripten is present and there's a touch gesture, so EmscriptenTouchCallback() can handle it itself - if (GetMouseX() != 0 || GetMouseY() != 0) ProcessGestureEvent(gestureEvent); - -#endif -} - -// GLFW3 Cursor Position Callback, runs on mouse move -static void MouseCursorPosCallback(GLFWwindow *window, double x, double y) -{ - CORE.Input.Mouse.currentPosition.x = (float)x; - CORE.Input.Mouse.currentPosition.y = (float)y; - CORE.Input.Touch.position[0] = CORE.Input.Mouse.currentPosition; - -#if defined(SUPPORT_GESTURES_SYSTEM) && defined(SUPPORT_MOUSE_GESTURES) - // Process mouse events as touches to be able to use mouse-gestures - GestureEvent gestureEvent = { 0 }; - - gestureEvent.touchAction = TOUCH_ACTION_MOVE; - - // Assign a pointer ID - gestureEvent.pointId[0] = 0; - - // Register touch points count - gestureEvent.pointCount = 1; - - // Register touch points position, only one point registered - gestureEvent.position[0] = CORE.Input.Touch.position[0]; - - // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height - gestureEvent.position[0].x /= (float)GetScreenWidth(); - gestureEvent.position[0].y /= (float)GetScreenHeight(); - - // Gesture data is sent to gestures-system for processing - ProcessGestureEvent(gestureEvent); -#endif -} - -// GLFW3 Scrolling Callback, runs on mouse wheel -static void MouseScrollCallback(GLFWwindow *window, double xoffset, double yoffset) -{ - CORE.Input.Mouse.currentWheelMove = (Vector2){ (float)xoffset, (float)yoffset }; -} - -// GLFW3 CursorEnter Callback, when cursor enters the window -static void CursorEnterCallback(GLFWwindow *window, int enter) -{ - if (enter) CORE.Input.Mouse.cursorOnScreen = true; - else CORE.Input.Mouse.cursorOnScreen = false; -} - -// Register fullscreen change events -static EM_BOOL EmscriptenFullscreenChangeCallback(int eventType, const EmscriptenFullscreenChangeEvent *event, void *userData) -{ - // TODO: Implement EmscriptenFullscreenChangeCallback()? - - return 1; // The event was consumed by the callback handler -} - -// Register window resize event -static EM_BOOL EmscriptenWindowResizedCallback(int eventType, const EmscriptenUiEvent *event, void *userData) -{ - // TODO: Implement EmscriptenWindowResizedCallback()? - - return 1; // The event was consumed by the callback handler -} - -EM_JS(int, GetWindowInnerWidth, (), { return window.innerWidth; }); -EM_JS(int, GetWindowInnerHeight, (), { return window.innerHeight; }); - -// Register DOM element resize event -static EM_BOOL EmscriptenResizeCallback(int eventType, const EmscriptenUiEvent *event, void *userData) -{ - // Don't resize non-resizeable windows - if ((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) == 0) return 1; - - // This event is called whenever the window changes sizes, - // so the size of the canvas object is explicitly retrieved below - int width = GetWindowInnerWidth(); - int height = GetWindowInnerHeight(); - - if (width < CORE.Window.screenMin.width) width = CORE.Window.screenMin.width; - else if (width > CORE.Window.screenMax.width && CORE.Window.screenMax.width > 0) width = CORE.Window.screenMax.width; - - if (height < CORE.Window.screenMin.height) height = CORE.Window.screenMin.height; - else if (height > CORE.Window.screenMax.height && CORE.Window.screenMax.height > 0) height = CORE.Window.screenMax.height; - - emscripten_set_canvas_element_size("#canvas", width, height); - - SetupViewport(width, height); // Reset viewport and projection matrix for new size - - CORE.Window.currentFbo.width = width; - CORE.Window.currentFbo.height = height; - CORE.Window.resizedLastFrame = true; - - if (IsWindowFullscreen()) return 1; - - // Set current screen size - CORE.Window.screen.width = width; - CORE.Window.screen.height = height; - - // NOTE: Postprocessing texture is not scaled to new size - - return 0; -} - -// Register mouse input events -static EM_BOOL EmscriptenMouseCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData) -{ - // This is only for registering mouse click events with emscripten and doesn't need to do anything - - return 1; // The event was consumed by the callback handler -} - -// Register connected/disconnected gamepads events -static EM_BOOL EmscriptenGamepadCallback(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData) -{ - /* - TRACELOGD("%s: timeStamp: %g, connected: %d, index: %ld, numAxes: %d, numButtons: %d, id: \"%s\", mapping: \"%s\"", - eventType != 0? emscripten_event_type_to_string(eventType) : "Gamepad state", - gamepadEvent->timestamp, gamepadEvent->connected, gamepadEvent->index, gamepadEvent->numAxes, gamepadEvent->numButtons, gamepadEvent->id, gamepadEvent->mapping); - - for (int i = 0; i < gamepadEvent->numAxes; ++i) TRACELOGD("Axis %d: %g", i, gamepadEvent->axis[i]); - for (int i = 0; i < gamepadEvent->numButtons; ++i) TRACELOGD("Button %d: Digital: %d, Analog: %g", i, gamepadEvent->digitalButton[i], gamepadEvent->analogButton[i]); - */ - - if ((gamepadEvent->connected) && (gamepadEvent->index < MAX_GAMEPADS)) - { - CORE.Input.Gamepad.ready[gamepadEvent->index] = true; - sprintf(CORE.Input.Gamepad.name[gamepadEvent->index], "%s", gamepadEvent->id); - } - else CORE.Input.Gamepad.ready[gamepadEvent->index] = false; - - return 1; // The event was consumed by the callback handler -} - -// Register touch input events -static EM_BOOL EmscriptenTouchCallback(int eventType, const EmscriptenTouchEvent *touchEvent, void *userData) -{ - // Register touch points count - CORE.Input.Touch.pointCount = touchEvent->numTouches; - - double canvasWidth = 0.0; - double canvasHeight = 0.0; - // NOTE: emscripten_get_canvas_element_size() returns canvas.width and canvas.height but - // we are looking for actual CSS size: canvas.style.width and canvas.style.height - // EMSCRIPTEN_RESULT res = emscripten_get_canvas_element_size("#canvas", &canvasWidth, &canvasHeight); - emscripten_get_element_css_size("#canvas", &canvasWidth, &canvasHeight); - - for (int i = 0; (i < CORE.Input.Touch.pointCount) && (i < MAX_TOUCH_POINTS); i++) - { - // Register touch points id - CORE.Input.Touch.pointId[i] = touchEvent->touches[i].identifier; - - // Register touch points position - CORE.Input.Touch.position[i] = (Vector2){touchEvent->touches[i].targetX, touchEvent->touches[i].targetY}; - - // Normalize gestureEvent.position[x] for CORE.Window.screen.width and CORE.Window.screen.height - CORE.Input.Touch.position[i].x *= ((float)GetScreenWidth()/(float)canvasWidth); - CORE.Input.Touch.position[i].y *= ((float)GetScreenHeight()/(float)canvasHeight); - - if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) CORE.Input.Touch.currentTouchState[i] = 1; - else if (eventType == EMSCRIPTEN_EVENT_TOUCHEND) CORE.Input.Touch.currentTouchState[i] = 0; - } - -#if defined(SUPPORT_GESTURES_SYSTEM) - GestureEvent gestureEvent = {0}; - - gestureEvent.pointCount = CORE.Input.Touch.pointCount; - - // Register touch actions - if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) gestureEvent.touchAction = TOUCH_ACTION_DOWN; - else if (eventType == EMSCRIPTEN_EVENT_TOUCHEND) gestureEvent.touchAction = TOUCH_ACTION_UP; - else if (eventType == EMSCRIPTEN_EVENT_TOUCHMOVE) gestureEvent.touchAction = TOUCH_ACTION_MOVE; - else if (eventType == EMSCRIPTEN_EVENT_TOUCHCANCEL) gestureEvent.touchAction = TOUCH_ACTION_CANCEL; - - for (int i = 0; (i < gestureEvent.pointCount) && (i < MAX_TOUCH_POINTS); i++) - { - gestureEvent.pointId[i] = CORE.Input.Touch.pointId[i]; - gestureEvent.position[i] = CORE.Input.Touch.position[i]; - - // Normalize gestureEvent.position[i] - gestureEvent.position[i].x /= (float)GetScreenWidth(); - gestureEvent.position[i].y /= (float)GetScreenHeight(); - } - - // Gesture data is sent to gestures system for processing - ProcessGestureEvent(gestureEvent); - - // Reset the pointCount for web, if it was the last Touch End event - if (eventType == EMSCRIPTEN_EVENT_TOUCHEND && CORE.Input.Touch.pointCount == 1) CORE.Input.Touch.pointCount = 0; -#endif - - return 1; // The event was consumed by the callback handler -} - -// EOF |
