wave spawner, game phases, making game window larger

game/events.odin

@@ -2,6 +2,7 @@ package game
 
 Event_Kind :: enum {
 	Enemy_Killed,
+	Wave_Survived,
 }
 
 Event :: struct {
@@ -18,6 +19,8 @@ process_events :: proc(world: ^World) {
 		switch ev.kind {
 		case .Enemy_Killed:
 			world.gold += ev.gold_reward
+		case .Wave_Survived:
+			world.gold += ev.gold_reward
 		}
 	}
 	clear(&world.events)