diff options
Diffstat (limited to 'src/main/engine/engine.c')
| -rw-r--r-- | src/main/engine/engine.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/src/main/engine/engine.c b/src/main/engine/engine.c index d8314c9..0a4d81d 100644 --- a/src/main/engine/engine.c +++ b/src/main/engine/engine.c @@ -58,7 +58,13 @@ static int frames; static time_t end; void (*dispatch_ui_event)(int); -void (*on_mouse_button_pressed)(float x, float y); + +typedef struct MouseButtonEvent { + void (*on_mouse_button_pressed)(float x, float y, void *data); + void *data; +} MouseButtonEvent; + +MouseButtonEvent *mouse_button_event; void engine_init(int w, int h) @@ -254,13 +260,21 @@ mouse_button_press_event(UIMouseButtonPressed *mbp) float oglX = engine->ortho_left + ((float) mbp->x / width) * (engine->ortho_right - engine->ortho_left); float oglY = engine->ortho_top - ((float) mbp->y / height) * (engine->ortho_top - engine->ortho_bottom); - on_mouse_button_pressed(oglX, oglY); + mouse_button_event->on_mouse_button_pressed(oglX, oglY, mouse_button_event->data); } void -engine_set_mouse_button_listener(void (*event)(float x, float y)) +engine_set_mouse_button_listener(void (*event)(float x, float y, void *data), void *data) { - on_mouse_button_pressed = event; + mouse_button_event = malloc(sizeof(MouseButtonEvent)); + if (mouse_button_event == NULL) { + log_error("Error allocating mouse button event"); + exit(EXIT_FAILURE); + } + + mouse_button_event->on_mouse_button_pressed = event; + mouse_button_event->data = data; + ui_set_mouse_press_listener(mouse_button_press_event); } |