Basic controller input

lib/ppu_sm.c

@@ -187,7 +187,7 @@ void ppu_mode_hblank() {
                 u32 fps = frame_count;
                 start_timer = end;
                 frame_count = 0;
-                printf("FPS: %ld\n", fps);
+                //printf("FPS: %ld\n", fps);
                 if(cart_need_save()){
                     cart_battery_save();
                 }

lib/ui.c

@@ -36,11 +36,14 @@ static int screenHeight;
 void ui_init(){
     screenWidth = XRES*scale;
     screenHeight = YRES*scale;
-    SDL_Init(SDL_INIT_VIDEO);
+    SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK);
     printf("SDL INIT\n");
     TTF_Init();
     printf("TTF INIT\n");
 
+    SDL_JoystickEventState(SDL_ENABLE);
+    SDL_JoystickOpen(0);
+
     char buffer[1024];
     strcpy(buffer, emu_get_context()->app_path);
     *strrchr(buffer, '\\') = 0;
@@ -400,6 +403,48 @@ void ui_on_key(bool down, u32 key_code) {
     gamepad_int_update();
 }
 
+void ui_on_joy_button(u8 button, bool down) {
+    switch(button){
+        case 0: gamepad_get_state()->b = down; break;
+        case 1: gamepad_get_state()->a = down; break;
+        case 7: gamepad_get_state()->start = down; break;
+        case 6: gamepad_get_state()->select = down; break;
+    }
+}
+
+void ui_on_joy_hat(u8 hat, u8 value) {
+    if(hat == 0){
+        gamepad_get_state()->up = value & SDL_HAT_UP;
+        gamepad_get_state()->down = value & SDL_HAT_DOWN;
+        gamepad_get_state()->left = value & SDL_HAT_LEFT;
+        gamepad_get_state()->right = value & SDL_HAT_RIGHT;
+    }
+}
+
+#define DEADZONE 10000
+
+void ui_on_Joy_axis(u8 axis, int16_t value) {
+    if(axis == 1) {
+        gamepad_get_state()->up = false;
+        gamepad_get_state()->down = false;
+        if(value < -DEADZONE) {
+            gamepad_get_state()->up = true;
+        }
+        if(value > DEADZONE) {
+            gamepad_get_state()->down = true;
+        }
+    }
+    if(axis == 0) {
+        gamepad_get_state()->left = false;
+        gamepad_get_state()->right = false;
+        if(value < -DEADZONE) {
+            gamepad_get_state()->left = true;
+        }
+        if(value > DEADZONE) {
+            gamepad_get_state()->right = true;
+        }
+    }
+}
 
 void ui_handle_events(){
     SDL_Event e;
@@ -422,6 +467,22 @@ void ui_handle_events(){
             }
         }
 
+        if(e.type == SDL_JOYBUTTONDOWN) {
+            ui_on_joy_button(e.jbutton.button, true);
+        }
+
+        if(e.type == SDL_JOYBUTTONUP) {
+            ui_on_joy_button(e.jbutton.button, false);
+        }
+
+        if(e.type == SDL_JOYHATMOTION) {
+            ui_on_joy_hat(e.jhat.hat, e.jhat.value);
+        }
+
+        if(e.type == SDL_JOYAXISMOTION) {
+            ui_on_Joy_axis(e.jaxis.axis, e.jaxis.value);
+        }
+
     }
 }