Add gamepad support

src/duskraylib/input.c

@@ -11,9 +11,14 @@
 typedef struct {
   int32_t key;
   uint8_t bind;
-} inputmap_t;
+} inputkbmap_t;
 
-inputmap_t INPUT_MAP[] = {
+typedef struct {
+  GamepadButton button;
+  uint8_t bind;
+} inputgpmap_t;
+
+inputkbmap_t INPUT_KB_MAP[] = {
   { KEY_UP, INPUT_BIND_UP },
   { KEY_W, INPUT_BIND_UP },
   { KEY_DOWN, INPUT_BIND_DOWN },
@@ -34,12 +39,36 @@ inputmap_t INPUT_MAP[] = {
   { 0, 0 }
 };
 
+inputgpmap_t INPUT_GP_MAP[] = {
+  { GAMEPAD_BUTTON_LEFT_FACE_UP, INPUT_BIND_UP },
+  { GAMEPAD_BUTTON_LEFT_FACE_DOWN, INPUT_BIND_DOWN },
+  { GAMEPAD_BUTTON_LEFT_FACE_LEFT, INPUT_BIND_LEFT },
+  { GAMEPAD_BUTTON_LEFT_FACE_RIGHT, INPUT_BIND_RIGHT },
+
+  { GAMEPAD_BUTTON_RIGHT_FACE_RIGHT, INPUT_BIND_ACTION },
+  { GAMEPAD_BUTTON_RIGHT_FACE_DOWN, INPUT_BIND_CANCEL },
+
+  { 0, 0 }
+};
+
 uint8_t inputStateGet() {
   uint8_t state = 0;
-  inputmap_t *map = INPUT_MAP;
+
+  inputkbmap_t *kbMap = INPUT_KB_MAP;
   do {
-    if(IsKeyDown(map->key)) state |= map->bind;
-    map++;
-  } while(map->key != 0);
+    if(IsKeyDown(kbMap->key)) state |= kbMap->bind;
+    kbMap++;
+  } while(kbMap->key != 0);
+
+  for(uint32_t i = 0; i < 32; i++) {
+    if(!IsGamepadAvailable(i)) continue;
+    
+    inputgpmap_t *gpMap = INPUT_GP_MAP;
+    do {
+      if(IsGamepadButtonDown(i, gpMap->button)) state |= gpMap->bind;
+      gpMap++;
+    } while(gpMap->button != 0);
+  }
+
   return state;
 }