Change to manual init for entity tag map

The entity tag mapping is not that used often enough.

So, change it to manual init.

engine/EC.h

@@ -252,6 +252,7 @@ struct EntityManager {
     // All fields are Read-Only
     struct sc_map_64v entities; // ent id : entity
     struct sc_map_64v entities_map[N_TAGS]; // [{ent id: ent}]
+    bool tag_map_inited[N_TAGS];
     struct sc_map_64v component_map[N_COMPONENTS]; // [{ent id: comp}, ...]
     struct sc_queue_uint to_add;
     struct sc_queue_uint to_remove;
@@ -259,6 +260,7 @@ struct EntityManager {
 };
 
 void init_entity_manager(EntityManager_t* p_manager);
+void init_entity_tag_map(EntityManager_t* p_manager, unsigned int tag_number, unsigned int initial_size);
 void update_entity_manager(EntityManager_t* p_manager);
 void clear_entity_manager(EntityManager_t* p_manager);
 void free_entity_manager(EntityManager_t* p_manager);

engine/entManager.c

@@ -7,15 +7,20 @@ void init_entity_manager(EntityManager_t* p_manager)
     {
         sc_map_init_64v(p_manager->component_map + i, MAX_COMP_POOL_SIZE, 0);
     }
-    for (size_t i = 0; i < N_TAGS; ++i)
+    memset(p_manager->tag_map_inited, 0, sizeof(p_manager->tag_map_inited));
-    {
-        sc_map_init_64v(p_manager->entities_map + i, MAX_COMP_POOL_SIZE, 0);
-    }
     sc_queue_init(&p_manager->to_add);
     sc_queue_init(&p_manager->to_remove);
     sc_queue_init(&p_manager->to_update);
 }
 
+void init_entity_tag_map(EntityManager_t* p_manager, unsigned int tag_number, unsigned int initial_size)
+{
+    if (tag_number >= N_TAGS) return;
+
+    sc_map_init_64v(p_manager->entities_map + tag_number, initial_size, 0);
+    p_manager->tag_map_inited[tag_number] = true;
+}
+
 void update_entity_manager(EntityManager_t* p_manager)
 {
     // This will only update the entity map of the manager
@@ -27,7 +32,10 @@ void update_entity_manager(EntityManager_t* p_manager)
     {
         Entity_t *p_entity = get_entity_wtih_id(e_idx);
         sc_map_put_64v(&p_manager->entities, e_idx, (void *)p_entity);
-        sc_map_put_64v(&p_manager->entities_map[p_entity->m_tag], e_idx, (void *)p_entity);
+        if (p_manager->tag_map_inited[p_entity->m_tag])
+        {
+            sc_map_put_64v(&p_manager->entities_map[p_entity->m_tag], e_idx, (void *)p_entity);
+        }
     }
     sc_queue_clear(&p_manager->to_add);
 
@@ -42,7 +50,10 @@ void update_entity_manager(EntityManager_t* p_manager)
             sc_map_del_64v(&p_manager->component_map[i], e_idx);
             p_entity->components[i] = MAX_COMP_POOL_SIZE;
         }
-        sc_map_del_64v(&p_manager->entities_map[p_entity->m_tag], e_idx);
+        if (p_manager->tag_map_inited[p_entity->m_tag])
+        {
+            sc_map_del_64v(&p_manager->entities_map[p_entity->m_tag], e_idx);
+        }
         free_entity_to_mempool(e_idx);
         sc_map_del_64v(&p_manager->entities, e_idx);
     }
@@ -88,7 +99,10 @@ void free_entity_manager(EntityManager_t* p_manager)
     }
     for (size_t i = 0; i < N_TAGS; ++i)
     {
-        sc_map_term_64v(p_manager->entities_map + i);
+        if (p_manager->tag_map_inited[i])
+        {
+            sc_map_term_64v(p_manager->entities_map + i);
+        }
     }
     sc_queue_term(&p_manager->to_add);
     sc_queue_term(&p_manager->to_remove);

scenes/editor_scene.c

@@ -883,8 +883,11 @@ static void level_do_action(Scene_t* scene, ActionType_t action, bool pressed)
 
 void init_sandbox_scene(LevelScene_t* scene)
 {
-    //init_scene(&scene->scene, LEVEL_SCENE, &level_scene_render_func, &level_do_action);
     init_scene(&scene->scene, &level_scene_render_func, &level_do_action);
+    init_entity_tag_map(&scene->scene.ent_manager, PLAYER_ENT_TAG, 4);
+    init_entity_tag_map(&scene->scene.ent_manager, BOULDER_ENT_TAG, MAX_COMP_POOL_SIZE);
+    init_entity_tag_map(&scene->scene.ent_manager, LEVEL_END_TAG, 16);
+    init_entity_tag_map(&scene->scene.ent_manager, DYNMEM_ENT_TAG, 16);
 
     scene->data.tilemap.tiles = all_tiles;
     init_level_scene_data(

scenes/game_scene.c

@@ -345,8 +345,11 @@ static void render_regular_game_scene(Scene_t* scene)
 
 void init_game_scene(LevelScene_t* scene)
 {
-    //init_scene(&scene->scene, LEVEL_SCENE, &level_scene_render_func, &level_do_action);
     init_scene(&scene->scene, &level_scene_render_func, &level_do_action);
+    init_entity_tag_map(&scene->scene.ent_manager, PLAYER_ENT_TAG, 4);
+    init_entity_tag_map(&scene->scene.ent_manager, BOULDER_ENT_TAG, MAX_COMP_POOL_SIZE);
+    init_entity_tag_map(&scene->scene.ent_manager, LEVEL_END_TAG, 16);
+    init_entity_tag_map(&scene->scene.ent_manager, DYNMEM_ENT_TAG, 16);
 
     scene->data.tilemap.tiles = all_tiles;
     init_level_scene_data(