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/**********************************************************************************************
*
* rcore - Common types and globals (all platforms)
*
* LIMITATIONS:
* - Limitation 01
* - Limitation 02
*
* POSSIBLE IMPROVEMENTS:
* - Improvement 01
* - Improvement 02
*
*
* 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.
*
**********************************************************************************************/
#ifndef RCORE_H
#define RCORE_H
#include "raylib.h"
#include "utils.h" // Required for: TRACELOG() macros
#include "rlgl.h" // Required for: graphics layer functionality
#define RAYMATH_IMPLEMENTATION
#include "raymath.h" // Required for: Vector2/Vector3/Matrix functionality
#include <stdlib.h> // Required for: srand(), rand(), atexit()
#include <stdio.h> // Required for: sprintf() [Used in OpenURL()]
#include <string.h> // Required for: strrchr(), strcmp(), strlen(), memset()
#include <time.h> // Required for: time() [Used in InitTimer()]
#include <math.h> // Required for: tan() [Used in BeginMode3D()], atan2f() [Used in LoadVrStereoConfig()]
//----------------------------------------------------------------------------------
// Defines and Macros
//----------------------------------------------------------------------------------
#ifndef MAX_FILEPATH_CAPACITY
#define MAX_FILEPATH_CAPACITY 8192 // Maximum capacity for filepath
#endif
#ifndef MAX_FILEPATH_LENGTH
#define MAX_FILEPATH_LENGTH 4096 // Maximum length for filepaths (Linux PATH_MAX default value)
#endif
#ifndef MAX_KEYBOARD_KEYS
#define MAX_KEYBOARD_KEYS 512 // Maximum number of keyboard keys supported
#endif
#ifndef MAX_MOUSE_BUTTONS
#define MAX_MOUSE_BUTTONS 8 // Maximum number of mouse buttons supported
#endif
#ifndef MAX_GAMEPADS
#define MAX_GAMEPADS 4 // Maximum number of gamepads supported
#endif
#ifndef MAX_GAMEPAD_AXIS
#define MAX_GAMEPAD_AXIS 8 // Maximum number of axis supported (per gamepad)
#endif
#ifndef MAX_GAMEPAD_BUTTONS
#define MAX_GAMEPAD_BUTTONS 32 // Maximum number of buttons supported (per gamepad)
#endif
#ifndef MAX_TOUCH_POINTS
#define MAX_TOUCH_POINTS 8 // Maximum number of touch points supported
#endif
#ifndef MAX_KEY_PRESSED_QUEUE
#define MAX_KEY_PRESSED_QUEUE 16 // Maximum number of keys in the key input queue
#endif
#ifndef MAX_CHAR_PRESSED_QUEUE
#define MAX_CHAR_PRESSED_QUEUE 16 // Maximum number of characters in the char input queue
#endif
#ifndef MAX_DECOMPRESSION_SIZE
#define MAX_DECOMPRESSION_SIZE 64 // Maximum size allocated for decompression in MB
#endif
// Flags operation macros
#define FLAG_SET(n, f) ((n) |= (f))
#define FLAG_CLEAR(n, f) ((n) &= ~(f))
#define FLAG_TOGGLE(n, f) ((n) ^= (f))
#define FLAG_CHECK(n, f) ((n) & (f))
#if (defined(__linux__) || defined(PLATFORM_WEB)) && (_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 { int x; int y; } Point;
typedef struct { unsigned int width; unsigned int height; } Size;
// Core global state context data
typedef struct CoreData {
struct {
const char *title; // Window text title const pointer
unsigned int flags; // Configuration flags (bit based), keeps window state
bool ready; // Check if window has been initialized successfully
bool fullscreen; // Check if fullscreen mode is enabled
bool shouldClose; // Check if window set for closing
bool resizedLastFrame; // Check if window has been resized last frame
bool eventWaiting; // Wait for events before ending frame
Point position; // Window position (required on fullscreen toggle)
Point previousPosition; // Window previous position (required on borderless windowed toggle)
Size display; // Display width and height (monitor, device-screen, LCD, ...)
Size screen; // Screen width and height (used render area)
Size previousScreen; // Screen previous width and height (required on borderless windowed toggle)
Size currentFbo; // Current render width and height (depends on active fbo)
Size render; // Framebuffer width and height (render area, including black bars if required)
Point renderOffset; // Offset from render area (must be divided by 2)
Size screenMin; // Screen minimum width and height (for resizable window)
Size screenMax; // Screen maximum width and height (for resizable window)
Matrix screenScale; // Matrix to scale screen (framebuffer rendering)
char **dropFilepaths; // Store dropped files paths pointers (provided by GLFW)
unsigned int dropFileCount; // Count dropped files strings
} Window;
struct {
const char *basePath; // Base path for data storage
} Storage;
struct {
struct {
int exitKey; // Default exit key
char currentKeyState[MAX_KEYBOARD_KEYS]; // Registers current frame key state
char previousKeyState[MAX_KEYBOARD_KEYS]; // Registers previous frame key state
// NOTE: Since key press logic involves comparing prev vs cur key state, we need to handle key repeats specially
char keyRepeatInFrame[MAX_KEYBOARD_KEYS]; // Registers key repeats for current frame.
int keyPressedQueue[MAX_KEY_PRESSED_QUEUE]; // Input keys queue
int keyPressedQueueCount; // Input keys queue count
int charPressedQueue[MAX_CHAR_PRESSED_QUEUE]; // Input characters queue (unicode)
int charPressedQueueCount; // Input characters queue count
} Keyboard;
struct {
Vector2 offset; // Mouse offset
Vector2 scale; // Mouse scaling
Vector2 currentPosition; // Mouse position on screen
Vector2 previousPosition; // Previous mouse position
int cursor; // Tracks current mouse cursor
bool cursorHidden; // Track if cursor is hidden
bool cursorOnScreen; // Tracks if cursor is inside client area
char currentButtonState[MAX_MOUSE_BUTTONS]; // Registers current mouse button state
char previousButtonState[MAX_MOUSE_BUTTONS]; // Registers previous mouse button state
Vector2 currentWheelMove; // Registers current mouse wheel variation
Vector2 previousWheelMove; // Registers previous mouse wheel variation
} Mouse;
struct {
int pointCount; // Number of touch points active
int pointId[MAX_TOUCH_POINTS]; // Point identifiers
Vector2 position[MAX_TOUCH_POINTS]; // Touch position on screen
char currentTouchState[MAX_TOUCH_POINTS]; // Registers current touch state
char previousTouchState[MAX_TOUCH_POINTS]; // Registers previous touch state
} Touch;
struct {
int lastButtonPressed; // Register last gamepad button pressed
int axisCount[MAX_GAMEPADS]; // Register number of available gamepad axis
bool ready[MAX_GAMEPADS]; // Flag to know if gamepad is ready
char name[MAX_GAMEPADS][64]; // Gamepad name holder
char currentButtonState[MAX_GAMEPADS][MAX_GAMEPAD_BUTTONS]; // Current gamepad buttons state
char previousButtonState[MAX_GAMEPADS][MAX_GAMEPAD_BUTTONS]; // Previous gamepad buttons state
float axisState[MAX_GAMEPADS][MAX_GAMEPAD_AXIS]; // Gamepad axis state
} Gamepad;
} Input;
struct {
double current; // Current time measure
double previous; // Previous time measure
double update; // Time measure for frame update
double draw; // Time measure for frame draw
double frame; // Time measure for one frame
double target; // Desired time for one frame, if 0 not applied
unsigned long long int base; // Base time measure for hi-res timer (PLATFORM_ANDROID, PLATFORM_DRM)
unsigned int frameCounter; // Frame counter
} Time;
} CoreData;
//----------------------------------------------------------------------------------
// Global Variables Definition
//----------------------------------------------------------------------------------
extern CoreData CORE;
#endif
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