Big initial commit: States, simulation, presentation, menus, some art.

src/main.c

@@ -0,0 +1,53 @@
+#include <stdlib.h>
+#include <assert.h>
+
+#include "presentation/states/state_ingame.h"
+#include "presentation/states/state_main_menu.h"
+
+#include "raylib.h"
+
+int main() {
+    InitWindow(1280, 720, "snejk");
+    SetTargetFPS(60);
+    SetExitKey(KEY_NULL);
+
+    bool should_quit_game = false;
+
+    Presentation_State_Ingame_Context presentation_state_ingame_ctx = (Presentation_State_Ingame_Context) {
+    };
+    Presentation_State_Main_Menu_Context presentation_state_main_menu_ctx = {
+        .should_quit_game = &should_quit_game,
+    };
+
+    presentation_state_ingame_init(&presentation_state_ingame_ctx);
+    presentation_state_main_menu_init(&presentation_state_main_menu_ctx);
+    
+    presentation_state_machine_go_to(&presentation_state_main_menu);
+
+    while(true) {
+        if(WindowShouldClose() || should_quit_game) {
+            break;
+        }
+
+        Presentation_State *state = presentation_state_machine.current;
+
+        // Tick.
+        if(state != NULL && state->tick != NULL) {
+            state->tick(state);
+        }
+        
+        // Render.
+        BeginDrawing();
+        {
+            if(state != NULL && state->render != NULL) {
+                state->render(state);
+            }
+        }
+        EndDrawing();
+    }
+
+    assert(presentation_state_machine_go_to(NULL));
+    CloseWindow();
+    
+    return 0;
+}