Allow user input

1 files changed, 23 insertions, 0 deletions

diff --git a/teensy/teensy_context.c b/teensy/teensy_context.c
index 4a812dd..9dff405 100644
--- a/teensy/teensy_context.c
+++ b/teensy/teensy_context.c
@@ -35,6 +35,18 @@ void ty_deinit(void)
     ty_deinit_mem();
 }
 
+bool ty_button_down(enum ty_button btn)
+{
+    assert(btn >= 0 && btn < TY_BTN_COUNT);
+    return ctx.down[btn];
+}
+
+bool ty_button_pressed(enum ty_button btn)
+{
+    assert(btn >= 0 && btn < TY_BTN_COUNT);
+    return ctx.pressed[btn];
+}
+
 bool ty_is_game_running(void)
 {
     assert(is_init());
@@ -47,6 +59,16 @@ double ty_get_time(void)
     return ty_platform_get_time();
 }
 
+static
+void update_buttons(void)
+{
+    for (int btn = 0; btn < TY_BTN_COUNT; btn++) {
+        bool down = ty_platform_is_button_down(btn); 
+        ctx.pressed[btn] = down && !ctx.down[btn];
+        ctx.down[btn] = down;
+    }
+}
+
 int ty_tick(void)
 {
     assert(is_init());
@@ -56,6 +78,7 @@ int ty_tick(void)
 
     int tics = time_since_tic / ctx.ticrate;
     if (tics > 0) {
+        update_buttons();
         ctx.prev_tic_ts = current_time;
         ty_platform_frame(r.screen);
     }