diff --git a/src/rcore_web.c b/src/rcore_web.c index 1ebaf612..e7998e25 100644 --- a/src/rcore_web.c +++ b/src/rcore_web.c @@ -186,151 +186,6 @@ void InitWindow(int width, int height, const char *title) #endif } -// 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) // PLATFORM_WEB - 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 -} - // Initialize display device and framebuffer // NOTE: width and height represent the screen (framebuffer) desired size, not actual display size // If width or height are 0, default display size will be used for framebuffer size @@ -1526,3 +1381,148 @@ static void WindowDropCallback(GLFWwindow *window, int count, const char **paths } } } + +// 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) // PLATFORM_WEB + 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 +}