Fixed segfault

src/game/game.c

@@ -1,3 +1,4 @@
+#include "game/state.h"
 #include <game/game.h>
 
 #include <assert.h>
@@ -35,10 +36,19 @@ void game_tick(game_t* game, update_context_t ctx) {
     assert(game != NULL);
     assert(game->was_initialized);
 
-    game->is_running = !WindowShouldClose();
+    if (game->_next_state.name) {
+        game_state_exit(&game->state, game);
+        game->state = game->_next_state;
+        game->_next_state = (game_state_t){0};
+        game_state_enter(&game->state, game);
+
+        LOGF("entered state \"%s\"", strid_get_str(game->state.name));
+    }
 
     ClearBackground(BLACK);
     game_state_update(&game->state, game, ctx);
+
+    game->is_running = !WindowShouldClose();
 }
 
 void game_debug_draw(game_t* game, update_context_t ctx) {
@@ -59,9 +69,5 @@ void game_switch_state(game_t* game, game_state_t new_state) {
     assert(game != NULL);
     assert(game->was_initialized);
 
-    game_state_exit(&game->state, game);
-    game->state = new_state;
-    game_state_enter(&game->state, game);
-
-    LOGF("entered state \"%s\"", strid_get_str(new_state.name));
+    game->_next_state = new_state;
 }

src/game/game.h

@@ -13,6 +13,7 @@ typedef struct game_s {
     bool was_initialized;
     bool is_running;
     game_state_t state;
+    game_state_t _next_state;
 
     RenderTexture2D canvas;
 } game_t;

src/game/states/gameplay.c

@@ -179,10 +179,8 @@ void update_bird(gameplay_state_t* gameplay, game_t* game) {
 
     gameplay->bird_y += gameplay->bird_y_speed * GetFrameTime();
 
-    if (gameplay->bird_y + sprites.bird.height >= game->canvas.texture.height - sprites.base.height) {
+    if (gameplay->bird_y + sprites.bird.height >= game->canvas.texture.height - sprites.base.height)
         game_switch_state(game, gameplay_state_create());
-        return;
-    }
 
     Rectangle bird_rect = {
         (float)game->canvas.texture.width / 2 - (float)sprites.bird.width / 2,
@@ -211,10 +209,8 @@ void update_bird(gameplay_state_t* gameplay, game_t* game) {
         DrawRectangleLinesEx(top_pipe_rect, 1, ORANGE);
         DrawRectangleLinesEx(bottom_pipe_rect, 1, ORANGE);
 
-        if (CheckCollisionRecs(bird_rect, top_pipe_rect) || CheckCollisionRecs(bird_rect, bottom_pipe_rect)) {
+        if (CheckCollisionRecs(bird_rect, top_pipe_rect) || CheckCollisionRecs(bird_rect, bottom_pipe_rect))
             game_switch_state(game, gameplay_state_create());
-            return;
-        }
     }
 }