Add GameControllerDB support

src/controller.c

@@ -193,3 +193,82 @@ ErrorContext *gamepad_handle_removed(void *appstate, SDL_Event *event)
     SDL_Log("Gamepad #%u removed", (unsigned int) which);
     SUCCEED_RETURN(errctx);
 }
+
+ErrorContext ERROR_NOIGNORE *SDL3G_controller_default(int controlmapid, char *actorname, int kbid, int jsid)
+{
+    SDL3GControlMap *controlmap;
+    PREPARE_ERROR(errctx);
+    ATTEMPT {
+	// set up the control map
+	controlmap = &GAME_ControlMaps[0];
+	controlmap->kbid = kbid;
+	controlmap->jsid = jsid;
+	
+	controlmap->target = SDL_GetPointerProperty(REGISTRY_ACTOR, actorname, NULL);
+	FAIL_ZERO_BREAK(errctx, controlmap->target, ERR_REGISTRY, "Actor %s not found in registry", actorname);
+
+	// ---- KEYBOARD CONTROLS ----
+	
+	// Move down
+	controlmap->controls[0].key = SDLK_DOWN;
+	controlmap->controls[0].event_on = SDL_EVENT_KEY_DOWN;
+	controlmap->controls[0].event_off = SDL_EVENT_KEY_UP;
+	controlmap->controls[0].handler_on = &SDL3GActor_cmhf_down_on;
+	controlmap->controls[0].handler_off = &SDL3GActor_cmhf_down_off;
+
+	// Move up
+	controlmap->controls[1].key = SDLK_UP;
+	controlmap->controls[1].event_on = SDL_EVENT_KEY_DOWN;
+	controlmap->controls[1].event_off = SDL_EVENT_KEY_UP;
+	controlmap->controls[1].handler_on = &SDL3GActor_cmhf_up_on;
+	controlmap->controls[1].handler_off = &SDL3GActor_cmhf_up_off;
+	
+	// Move left
+	controlmap->controls[2].key = SDLK_LEFT;
+	controlmap->controls[2].event_on = SDL_EVENT_KEY_DOWN;
+	controlmap->controls[2].event_off = SDL_EVENT_KEY_UP;
+	controlmap->controls[2].handler_on = &SDL3GActor_cmhf_left_on;
+	controlmap->controls[2].handler_off = &SDL3GActor_cmhf_left_off;
+	
+	// Move right
+	controlmap->controls[3].key = SDLK_RIGHT;
+	controlmap->controls[3].event_on = SDL_EVENT_KEY_DOWN;
+	controlmap->controls[3].event_off = SDL_EVENT_KEY_UP;
+	controlmap->controls[3].handler_on = &SDL3GActor_cmhf_right_on;
+	controlmap->controls[3].handler_off = &SDL3GActor_cmhf_right_off;
+
+	// ----- GAMEPAD CONTROLS
+	// Move down
+	controlmap->controls[17].button = SDL_GAMEPAD_BUTTON_DPAD_DOWN;
+	controlmap->controls[17].event_on = SDL_EVENT_GAMEPAD_BUTTON_DOWN;
+	controlmap->controls[17].event_off = SDL_EVENT_GAMEPAD_BUTTON_UP;
+	controlmap->controls[17].handler_on = &SDL3GActor_cmhf_down_on;
+	controlmap->controls[17].handler_off = &SDL3GActor_cmhf_down_off;
+
+	// Move up
+	controlmap->controls[18].button = SDL_GAMEPAD_BUTTON_DPAD_UP;
+	controlmap->controls[18].event_on = SDL_EVENT_GAMEPAD_BUTTON_DOWN;
+	controlmap->controls[18].event_off = SDL_EVENT_GAMEPAD_BUTTON_UP;
+	controlmap->controls[18].handler_on = &SDL3GActor_cmhf_up_on;
+	controlmap->controls[18].handler_off = &SDL3GActor_cmhf_up_off;
+	
+	// Move left
+	controlmap->controls[19].button = SDL_GAMEPAD_BUTTON_DPAD_LEFT;
+	controlmap->controls[19].event_on = SDL_EVENT_GAMEPAD_BUTTON_DOWN;
+	controlmap->controls[19].event_off = SDL_EVENT_GAMEPAD_BUTTON_UP;
+	controlmap->controls[19].handler_on = &SDL3GActor_cmhf_left_on;
+	controlmap->controls[19].handler_off = &SDL3GActor_cmhf_left_off;
+	
+	// Move right
+	controlmap->controls[20].button = SDL_GAMEPAD_BUTTON_DPAD_RIGHT;
+	controlmap->controls[20].event_on = SDL_EVENT_GAMEPAD_BUTTON_DOWN;
+	controlmap->controls[20].event_off = SDL_EVENT_GAMEPAD_BUTTON_UP;
+	controlmap->controls[20].handler_on = &SDL3GActor_cmhf_right_on;
+	controlmap->controls[20].handler_off = &SDL3GActor_cmhf_right_off;
+
+	SUCCEED_RETURN(errctx);
+	
+    } CLEANUP {
+    } PROCESS(errctx) {
+    } FINISH(errctx, true);
+}

src/game.c

@@ -12,6 +12,7 @@
 #include <sdl3game/registry.h>
 #include <sdl3game/staticstring.h>
 #include <sdl3game/iterator.h>
+#include <sdl3game/SDL_GameControllerDB.h>
 
 SDL_Window *window = NULL;
 SDL_Renderer *renderer = NULL;
@@ -56,6 +57,14 @@ ErrorContext ERROR_NOIGNORE *GAME_init()
 	ERR_SDL,
 	"Couldn't initialize SDL: %s",
 	SDL_GetError());
+
+    // Load the Game Controller DB
+
+    for ( i = 0; i < SDL_GAMECONTROLLER_DB_LEN ; i++ ) {
+	if ( SDL_AddGamepadMapping(SDL_GAMECONTROLLER_DB[i]) == -1 ) {
+	    FAIL_ZERO_RETURN(errctx, 0, ERR_SDL, "%s", SDL_GetError());
+	}
+    }
     
     FAIL_ZERO_RETURN(
 	errctx,