Add water surface animated sprite to editor

scenes/components.h

@@ -1,3 +1,5 @@
+#ifndef SCENES_COMPONENTS_H
+#define SCENES_COMPONENTS_H
 #include "EC.h"
 #include "engine.h"
 #include "render_queue.h"
@@ -178,3 +180,4 @@ typedef struct _CEmitter_t
 typedef struct _CSquishable_t {
     bool active; //< Dummy variable
 } CSquishable_t;
+#endif // SCENES_COMPONENTS_H

scenes/editor_scene.c

@@ -617,8 +617,8 @@ static void render_editor_game_scene(Scene_t* scene)
         draw_particle_system(&scene->part_sys);
 
         // Draw water tile
-        Sprite_t* surface_spr = get_sprite(&scene->engine->assets, "wsurf");
-        Vector2 surf_offset = get_anchor_offset(surface_spr->frame_size, AP_BOT_LEFT, false);
+        CSprite_t* water_surface_spr = get_component_wtih_id(CSPRITE_T, data->water_surface_spr_cidx);
+        const SpriteRenderInfo_t surface_spr = water_surface_spr->sprites[water_surface_spr->current_idx];
         for (int tile_y = min.y; tile_y < max.y; tile_y++)
         {
             for (int tile_x = min.x; tile_x < max.x; tile_x++)
@@ -647,8 +647,13 @@ static void render_editor_game_scene(Scene_t* scene)
                 )
                 {
                     Vector2 surf_pos = {x, y + (TILE_SIZE - water_height)};
-                    surf_pos = Vector2Subtract(surf_pos, surf_offset);
-                    draw_sprite_pro(surface_spr, 0, surf_pos, 0, false, (Vector2){1,1}, water_colour);
+
+                    surf_pos = Vector2Subtract(
+                        surf_pos,
+                        get_anchor_offset(surface_spr.sprite->frame_size, AP_BOT_LEFT, false)
+                    );
+
+                    draw_sprite_pro(surface_spr.sprite, water_surface_spr->current_frame, surf_pos, 0, false, (Vector2){1,1}, water_colour);
                 }
             }
         }

scenes/scene_impl.h

@@ -5,6 +5,7 @@
 #ifndef __SCENE_IMPL_H
 #define __SCENE_IMPL_H
 #include "engine.h"
+#include "components.h"
 #include "gui.h"
 
 #define CONTAINER_OF(ptr, type, member) ({         \
@@ -74,6 +75,8 @@ typedef struct LevelSceneData {
     LevelPack_t* level_pack;
     const char* restart_keyname;
     const char* look_keyname;
+    //CSprite_t* water_surface_spr;
+    unsigned long water_surface_spr_cidx;
     unsigned int current_level;
     CoinCounter_t coins;
     bool show_grid;

scenes/scene_systems.c

@@ -3,6 +3,7 @@
 #include "water_flow.h"
 #include "ent_impl.h"
 #include "constants.h"
+#include "mempool.h"
 
 #include "raymath.h"
 
@@ -49,6 +50,32 @@ void init_level_scene_data(LevelSceneData_t* data, uint32_t max_tiles, Tile_t* t
 
     memset(&data->sm, 0, sizeof(data->sm));
 
+    static SpriteRenderInfo_t water_sprite_map[2] = {0};
+    Scene_t* scene = &(CONTAINER_OF(data, LevelScene_t, data)->scene);
+    water_sprite_map[0].sprite = get_sprite(&scene->engine->assets, "wsurf");
+    /**
+     * Add water surface animation sprite
+     * This is not associated with any entity, but manually held by the scene
+     * Thus, will need to manually add request for the component
+     * and add it to the entity manager.
+     * This is so that I can make use of the sprite animation system, which is partially entity-independent
+     * This is basically a hack/abuse of the current engine
+     * Will need to account for such use case in version 2
+     */
+    {
+        unsigned long comp_idx;
+        CSprite_t* p_cspr = new_component_from_mempool(CSPRITE_T, &comp_idx);
+        p_cspr->sprites = water_sprite_map;
+        p_cspr->current_idx = 0;
+        p_cspr->node.scale = (Vector2){1, 1};
+        p_cspr->node.colour = WHITE;
+        p_cspr->depth = 2;
+        assert(p_cspr != NULL);
+        data->water_surface_spr_cidx = comp_idx;
+
+        // Use invalid entity id as it is not associated with any entity
+        sc_map_put_64v(&scene->ent_manager.component_map[CSPRITE_T], MAX_COMP_POOL_SIZE+1, p_cspr);
+    }
 }
 
 void term_level_scene_data(LevelSceneData_t* data)
@@ -57,6 +84,11 @@ void term_level_scene_data(LevelSceneData_t* data)
     {
         sc_map_term_64v(&data->tilemap.tiles[i].entities_set);
     }
+
+    // Manually remove the water surface sprite
+    Scene_t* scene = &(CONTAINER_OF(data, LevelScene_t, data)->scene);
+    sc_map_del_64v(&scene->ent_manager.component_map[CSPRITE_T], MAX_COMP_POOL_SIZE+1);
+    free_component_to_mempool(CSPRITE_T, data->water_surface_spr_cidx);
 }
 
 void clear_an_entity(Scene_t* scene, TileGrid_t* tilemap, Entity_t* p_ent)