Function engine_handle_input

engine/source/platformAndroid/T2DActivity.cpp:443–572

Handle touch and keyboard input from android OS

// Handle touch and keyboard input from android OS
static int32_t engine_handle_input(struct android_app* app, AInputEvent* event) {

	struct engine* engine = (struct engine*)app->userData;

    if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_MOTION) {

        int32_t eventValue = (AMotionEvent_getAction(event) & AMOTION_EVENT_ACTION_MASK);

        if (eventValue == AMOTION_EVENT_ACTION_DOWN || eventValue == AMOTION_EVENT_ACTION_POINTER_DOWN) {

            size_t touchCount = AMotionEvent_getPointerCount(event);
            for (U8 i = 0; i < touchCount; i++)
            {
                Point2I point;
                point.x = AMotionEvent_getX(event, i);
                point.y = AMotionEvent_getY(event, i);

                rawLastTouches[i].x = point.x;
                rawLastTouches[i].y = point.y;

                createMouseDownEvent(i, point.x, point.y, touchCount);
            }

        }

        if (eventValue == AMOTION_EVENT_ACTION_UP || eventValue == AMOTION_EVENT_ACTION_POINTER_UP) {

            size_t touchCount = AMotionEvent_getPointerCount(event);
            for (U8 i = 0; i < touchCount; i++)
            {
                Point2I point;
                point.x = AMotionEvent_getX(event, i);
                point.y = AMotionEvent_getY(event, i);
                Point2I prevPoint = rawLastTouches[i];

                createMouseUpEvent(i, point.x, point.y, prevPoint.x, prevPoint.y, touchCount);

                if (touchCount > 0)
                {
                    // this was a tap, so create a tap event
                    createMouseTapEvent(touchCount, (int) point.x, (int) point.y);
                }
            }
        }

        if (eventValue == AMOTION_EVENT_ACTION_MOVE) {

            size_t touchCount = AMotionEvent_getPointerCount(event);
            for (U8 i = 0; i < touchCount; i++)
            {
                Point2I point;
                point.x = AMotionEvent_getX(event, i);
                point.y = AMotionEvent_getY(event, i);
                Point2I prevPoint = rawLastTouches[i];

                createMouseMoveEvent(i, point.x, point.y, prevPoint.x, prevPoint.y);

                rawLastTouches[i].x = point.x;