Abstract SDL event handling

Delegate the event handling solely in input state.

src/packages/game/IZ_app.c

@@ -39,13 +39,13 @@ void IZ_AppTeardown(IZ_App* app) {
 }
 
 void IZ_AppHandleSDLEvents(IZ_App* app) {
-	while (SDL_PollEvent(&app->sdl_event) != 0) {
-		if (app->sdl_event.type == SDL_QUIT) {
+	while (SDL_PollEvent(&app->input_state.sdl_event) != 0) {
+		if (app->input_state.sdl_event.type == SDL_QUIT) {
 			app->quit = true;
 			break;
 		}
 
-		IZ_InputHandleSDLEvents(app->sdl_event, &app->input_state);
+		IZ_InputHandleSDLEvents(&app->input_state);
 	}
 }
 

src/packages/game/IZ_app.h

@@ -13,8 +13,6 @@
 #include "memory/IZ_pool.h"
 
 typedef struct {
-	SDL_Event sdl_event;
-
 	IZ_InputState input_state;
 	IZ_VideoState video_state;
 

src/packages/game/input/IZ_input.c

@@ -1,8 +1,8 @@
 #include "IZ_input.h"
 
-void IZ_InputHandleSDLEvents(SDL_Event e, IZ_InputState* state) {
-	IZ_JoystickHandleEvents(e, &state->joystick_state, &state->action);
-	IZ_KeyboardHandleEvents(e, &state->keyboard_state, &state->action);
+void IZ_InputHandleSDLEvents(IZ_InputState* state) {
+	IZ_JoystickHandleEvents(state->sdl_event, &state->joystick_state, &state->action);
+	IZ_KeyboardHandleEvents(state->sdl_event, &state->keyboard_state, &state->action);
 }
 
 void IZ_InputHandlePortMIDIEvents(PmEvent e, IZ_InputState* state) {

src/packages/game/input/IZ_input.h

@@ -7,13 +7,14 @@
 #include "IZ_midi.h"
 
 typedef struct {
+	SDL_Event sdl_event;
 	IZ_Action action[PLAYERS];
 	IZ_KeyboardState keyboard_state[PLAYERS];
 	IZ_JoystickState joystick_state[PLAYERS];
 	IZ_MIDIInputState midi_input_state[PLAYERS];
 } IZ_InputState;
 
-void IZ_InputHandleSDLEvents(SDL_Event, IZ_InputState*);
+void IZ_InputHandleSDLEvents(IZ_InputState*);
 
 void IZ_InputHandlePortMIDIEvents(PmEvent, IZ_InputState*);