Relocate emscripten callbacks on web
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ubkp
parent
2ef9274493
commit
9f45f5ca26
290
src/rcore_web.c
290
src/rcore_web.c
@ -186,151 +186,6 @@ void InitWindow(int width, int height, const char *title)
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#endif
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}
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// Register fullscreen change events
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static EM_BOOL EmscriptenFullscreenChangeCallback(int eventType, const EmscriptenFullscreenChangeEvent *event, void *userData)
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{
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// TODO: Implement EmscriptenFullscreenChangeCallback()?
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return 1; // The event was consumed by the callback handler
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}
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// Register window resize event
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static EM_BOOL EmscriptenWindowResizedCallback(int eventType, const EmscriptenUiEvent *event, void *userData)
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{
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// TODO: Implement EmscriptenWindowResizedCallback()?
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return 1; // The event was consumed by the callback handler
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}
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EM_JS(int, GetWindowInnerWidth, (), { return window.innerWidth; });
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EM_JS(int, GetWindowInnerHeight, (), { return window.innerHeight; });
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// Register DOM element resize event
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static EM_BOOL EmscriptenResizeCallback(int eventType, const EmscriptenUiEvent *event, void *userData)
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{
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// Don't resize non-resizeable windows
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if ((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) == 0) return 1;
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// This event is called whenever the window changes sizes,
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// so the size of the canvas object is explicitly retrieved below
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int width = GetWindowInnerWidth();
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int height = GetWindowInnerHeight();
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if (width < CORE.Window.screenMin.width) width = CORE.Window.screenMin.width;
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else if (width > CORE.Window.screenMax.width && CORE.Window.screenMax.width > 0) width = CORE.Window.screenMax.width;
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if (height < CORE.Window.screenMin.height) height = CORE.Window.screenMin.height;
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else if (height > CORE.Window.screenMax.height && CORE.Window.screenMax.height > 0) height = CORE.Window.screenMax.height;
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emscripten_set_canvas_element_size("#canvas", width, height);
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SetupViewport(width, height); // Reset viewport and projection matrix for new size
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CORE.Window.currentFbo.width = width;
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CORE.Window.currentFbo.height = height;
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CORE.Window.resizedLastFrame = true;
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if (IsWindowFullscreen()) return 1;
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// Set current screen size
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CORE.Window.screen.width = width;
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CORE.Window.screen.height = height;
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// NOTE: Postprocessing texture is not scaled to new size
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return 0;
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}
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// Register mouse input events
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static EM_BOOL EmscriptenMouseCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData)
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{
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// This is only for registering mouse click events with emscripten and doesn't need to do anything
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return 1; // The event was consumed by the callback handler
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}
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// Register connected/disconnected gamepads events
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static EM_BOOL EmscriptenGamepadCallback(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData)
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{
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/*
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TRACELOGD("%s: timeStamp: %g, connected: %d, index: %ld, numAxes: %d, numButtons: %d, id: \"%s\", mapping: \"%s\"",
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eventType != 0? emscripten_event_type_to_string(eventType) : "Gamepad state",
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gamepadEvent->timestamp, gamepadEvent->connected, gamepadEvent->index, gamepadEvent->numAxes, gamepadEvent->numButtons, gamepadEvent->id, gamepadEvent->mapping);
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for (int i = 0; i < gamepadEvent->numAxes; ++i) TRACELOGD("Axis %d: %g", i, gamepadEvent->axis[i]);
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for (int i = 0; i < gamepadEvent->numButtons; ++i) TRACELOGD("Button %d: Digital: %d, Analog: %g", i, gamepadEvent->digitalButton[i], gamepadEvent->analogButton[i]);
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*/
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if ((gamepadEvent->connected) && (gamepadEvent->index < MAX_GAMEPADS))
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{
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CORE.Input.Gamepad.ready[gamepadEvent->index] = true;
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sprintf(CORE.Input.Gamepad.name[gamepadEvent->index], "%s", gamepadEvent->id);
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}
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else CORE.Input.Gamepad.ready[gamepadEvent->index] = false;
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return 1; // The event was consumed by the callback handler
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}
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// Register touch input events
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static EM_BOOL EmscriptenTouchCallback(int eventType, const EmscriptenTouchEvent *touchEvent, void *userData)
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{
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// Register touch points count
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CORE.Input.Touch.pointCount = touchEvent->numTouches;
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double canvasWidth = 0.0;
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double canvasHeight = 0.0;
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// NOTE: emscripten_get_canvas_element_size() returns canvas.width and canvas.height but
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// we are looking for actual CSS size: canvas.style.width and canvas.style.height
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// EMSCRIPTEN_RESULT res = emscripten_get_canvas_element_size("#canvas", &canvasWidth, &canvasHeight);
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emscripten_get_element_css_size("#canvas", &canvasWidth, &canvasHeight);
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for (int i = 0; (i < CORE.Input.Touch.pointCount) && (i < MAX_TOUCH_POINTS); i++)
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{
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// Register touch points id
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CORE.Input.Touch.pointId[i] = touchEvent->touches[i].identifier;
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// Register touch points position
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CORE.Input.Touch.position[i] = (Vector2){touchEvent->touches[i].targetX, touchEvent->touches[i].targetY};
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// Normalize gestureEvent.position[x] for CORE.Window.screen.width and CORE.Window.screen.height
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CORE.Input.Touch.position[i].x *= ((float)GetScreenWidth() / (float)canvasWidth);
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CORE.Input.Touch.position[i].y *= ((float)GetScreenHeight() / (float)canvasHeight);
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if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) CORE.Input.Touch.currentTouchState[i] = 1;
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else if (eventType == EMSCRIPTEN_EVENT_TOUCHEND) CORE.Input.Touch.currentTouchState[i] = 0;
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}
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#if defined(SUPPORT_GESTURES_SYSTEM) // PLATFORM_WEB
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GestureEvent gestureEvent = {0};
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gestureEvent.pointCount = CORE.Input.Touch.pointCount;
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// Register touch actions
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if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) gestureEvent.touchAction = TOUCH_ACTION_DOWN;
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else if (eventType == EMSCRIPTEN_EVENT_TOUCHEND) gestureEvent.touchAction = TOUCH_ACTION_UP;
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else if (eventType == EMSCRIPTEN_EVENT_TOUCHMOVE) gestureEvent.touchAction = TOUCH_ACTION_MOVE;
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else if (eventType == EMSCRIPTEN_EVENT_TOUCHCANCEL) gestureEvent.touchAction = TOUCH_ACTION_CANCEL;
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for (int i = 0; (i < gestureEvent.pointCount) && (i < MAX_TOUCH_POINTS); i++)
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{
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gestureEvent.pointId[i] = CORE.Input.Touch.pointId[i];
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gestureEvent.position[i] = CORE.Input.Touch.position[i];
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// Normalize gestureEvent.position[i]
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gestureEvent.position[i].x /= (float)GetScreenWidth();
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gestureEvent.position[i].y /= (float)GetScreenHeight();
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}
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// Gesture data is sent to gestures system for processing
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ProcessGestureEvent(gestureEvent);
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// Reset the pointCount for web, if it was the last Touch End event
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if (eventType == EMSCRIPTEN_EVENT_TOUCHEND && CORE.Input.Touch.pointCount == 1) CORE.Input.Touch.pointCount = 0;
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#endif
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return 1; // The event was consumed by the callback handler
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}
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// Initialize display device and framebuffer
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// NOTE: width and height represent the screen (framebuffer) desired size, not actual display size
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// If width or height are 0, default display size will be used for framebuffer size
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@ -1526,3 +1381,148 @@ static void WindowDropCallback(GLFWwindow *window, int count, const char **paths
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}
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}
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}
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// Register fullscreen change events
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static EM_BOOL EmscriptenFullscreenChangeCallback(int eventType, const EmscriptenFullscreenChangeEvent *event, void *userData)
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{
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// TODO: Implement EmscriptenFullscreenChangeCallback()?
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return 1; // The event was consumed by the callback handler
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}
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// Register window resize event
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static EM_BOOL EmscriptenWindowResizedCallback(int eventType, const EmscriptenUiEvent *event, void *userData)
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{
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// TODO: Implement EmscriptenWindowResizedCallback()?
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return 1; // The event was consumed by the callback handler
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}
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EM_JS(int, GetWindowInnerWidth, (), { return window.innerWidth; });
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EM_JS(int, GetWindowInnerHeight, (), { return window.innerHeight; });
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// Register DOM element resize event
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static EM_BOOL EmscriptenResizeCallback(int eventType, const EmscriptenUiEvent *event, void *userData)
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{
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// Don't resize non-resizeable windows
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if ((CORE.Window.flags & FLAG_WINDOW_RESIZABLE) == 0) return 1;
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// This event is called whenever the window changes sizes,
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// so the size of the canvas object is explicitly retrieved below
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int width = GetWindowInnerWidth();
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int height = GetWindowInnerHeight();
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if (width < CORE.Window.screenMin.width) width = CORE.Window.screenMin.width;
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else if (width > CORE.Window.screenMax.width && CORE.Window.screenMax.width > 0) width = CORE.Window.screenMax.width;
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if (height < CORE.Window.screenMin.height) height = CORE.Window.screenMin.height;
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else if (height > CORE.Window.screenMax.height && CORE.Window.screenMax.height > 0) height = CORE.Window.screenMax.height;
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emscripten_set_canvas_element_size("#canvas", width, height);
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SetupViewport(width, height); // Reset viewport and projection matrix for new size
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CORE.Window.currentFbo.width = width;
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CORE.Window.currentFbo.height = height;
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CORE.Window.resizedLastFrame = true;
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if (IsWindowFullscreen()) return 1;
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// Set current screen size
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CORE.Window.screen.width = width;
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CORE.Window.screen.height = height;
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// NOTE: Postprocessing texture is not scaled to new size
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return 0;
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}
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// Register mouse input events
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static EM_BOOL EmscriptenMouseCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData)
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{
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// This is only for registering mouse click events with emscripten and doesn't need to do anything
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return 1; // The event was consumed by the callback handler
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}
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// Register connected/disconnected gamepads events
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static EM_BOOL EmscriptenGamepadCallback(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData)
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{
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/*
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TRACELOGD("%s: timeStamp: %g, connected: %d, index: %ld, numAxes: %d, numButtons: %d, id: \"%s\", mapping: \"%s\"",
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eventType != 0? emscripten_event_type_to_string(eventType) : "Gamepad state",
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gamepadEvent->timestamp, gamepadEvent->connected, gamepadEvent->index, gamepadEvent->numAxes, gamepadEvent->numButtons, gamepadEvent->id, gamepadEvent->mapping);
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for (int i = 0; i < gamepadEvent->numAxes; ++i) TRACELOGD("Axis %d: %g", i, gamepadEvent->axis[i]);
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for (int i = 0; i < gamepadEvent->numButtons; ++i) TRACELOGD("Button %d: Digital: %d, Analog: %g", i, gamepadEvent->digitalButton[i], gamepadEvent->analogButton[i]);
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*/
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if ((gamepadEvent->connected) && (gamepadEvent->index < MAX_GAMEPADS))
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{
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CORE.Input.Gamepad.ready[gamepadEvent->index] = true;
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sprintf(CORE.Input.Gamepad.name[gamepadEvent->index], "%s", gamepadEvent->id);
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}
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else CORE.Input.Gamepad.ready[gamepadEvent->index] = false;
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return 1; // The event was consumed by the callback handler
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}
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// Register touch input events
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static EM_BOOL EmscriptenTouchCallback(int eventType, const EmscriptenTouchEvent *touchEvent, void *userData)
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{
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// Register touch points count
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CORE.Input.Touch.pointCount = touchEvent->numTouches;
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double canvasWidth = 0.0;
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double canvasHeight = 0.0;
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// NOTE: emscripten_get_canvas_element_size() returns canvas.width and canvas.height but
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// we are looking for actual CSS size: canvas.style.width and canvas.style.height
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// EMSCRIPTEN_RESULT res = emscripten_get_canvas_element_size("#canvas", &canvasWidth, &canvasHeight);
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emscripten_get_element_css_size("#canvas", &canvasWidth, &canvasHeight);
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for (int i = 0; (i < CORE.Input.Touch.pointCount) && (i < MAX_TOUCH_POINTS); i++)
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{
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// Register touch points id
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CORE.Input.Touch.pointId[i] = touchEvent->touches[i].identifier;
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// Register touch points position
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CORE.Input.Touch.position[i] = (Vector2){touchEvent->touches[i].targetX, touchEvent->touches[i].targetY};
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// Normalize gestureEvent.position[x] for CORE.Window.screen.width and CORE.Window.screen.height
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CORE.Input.Touch.position[i].x *= ((float)GetScreenWidth() / (float)canvasWidth);
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CORE.Input.Touch.position[i].y *= ((float)GetScreenHeight() / (float)canvasHeight);
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if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) CORE.Input.Touch.currentTouchState[i] = 1;
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else if (eventType == EMSCRIPTEN_EVENT_TOUCHEND) CORE.Input.Touch.currentTouchState[i] = 0;
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}
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#if defined(SUPPORT_GESTURES_SYSTEM) // PLATFORM_WEB
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GestureEvent gestureEvent = {0};
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gestureEvent.pointCount = CORE.Input.Touch.pointCount;
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// Register touch actions
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if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) gestureEvent.touchAction = TOUCH_ACTION_DOWN;
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else if (eventType == EMSCRIPTEN_EVENT_TOUCHEND) gestureEvent.touchAction = TOUCH_ACTION_UP;
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else if (eventType == EMSCRIPTEN_EVENT_TOUCHMOVE) gestureEvent.touchAction = TOUCH_ACTION_MOVE;
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else if (eventType == EMSCRIPTEN_EVENT_TOUCHCANCEL) gestureEvent.touchAction = TOUCH_ACTION_CANCEL;
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for (int i = 0; (i < gestureEvent.pointCount) && (i < MAX_TOUCH_POINTS); i++)
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{
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gestureEvent.pointId[i] = CORE.Input.Touch.pointId[i];
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gestureEvent.position[i] = CORE.Input.Touch.position[i];
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// Normalize gestureEvent.position[i]
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gestureEvent.position[i].x /= (float)GetScreenWidth();
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gestureEvent.position[i].y /= (float)GetScreenHeight();
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}
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// Gesture data is sent to gestures system for processing
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ProcessGestureEvent(gestureEvent);
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// Reset the pointCount for web, if it was the last Touch End event
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if (eventType == EMSCRIPTEN_EVENT_TOUCHEND && CORE.Input.Touch.pointCount == 1) CORE.Input.Touch.pointCount = 0;
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#endif
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return 1; // The event was consumed by the callback handler
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}
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