Refactor implementation of Crate Entity

Changelog:
- Separate out engine-specific stuff vs game-specific stuff

CMakeLists.txt

@@ -11,17 +11,11 @@ if (${CMAKE_BUILD_TYPE} STREQUAL tile16)
 endif()
 
 set(GAME_LIBS
-    lib_EC
     lib_scenes
-    sc_queue
-    sc_map
-    sc_array
-    raylib
-    m
 )
 
 
-add_subdirectory(engine)
+add_subdirectory(scenes)
 add_executable(${PROJECT_NAME}
     main.c
 )
@@ -29,11 +23,6 @@ add_executable(${PROJECT_NAME}
 target_include_directories(${PROJECT_NAME}
     PRIVATE
     ${CMAKE_CURRENT_LIST_DIR}
-    ${RAYLIB_DIR}/include
-)
-target_link_directories(${PROJECT_NAME}
-    PRIVATE
-    ${RAYLIB_DIR}/lib
 )
 
 target_link_libraries(${PROJECT_NAME}
@@ -48,17 +37,9 @@ target_link_options(EntManager_test PRIVATE -fsanitize=address -gdwarf-4)
 target_include_directories(EntManager_test
     PRIVATE
     ${CMAKE_CURRENT_LIST_DIR}
-    ${RAYLIB_DIR}/include
-)
-target_link_directories(EntManager_test
-    PRIVATE
-    ${RAYLIB_DIR}/lib
 )
 target_link_libraries(EntManager_test
-    lib_EC
-    lib_scenes
-    sc_queue
-    sc_map
+    ${GAME_LIBS}
 )
 
 add_executable(scene_test
@@ -68,17 +49,11 @@ add_executable(scene_test
 target_include_directories(scene_test
     PRIVATE
     ${CMAKE_CURRENT_LIST_DIR}
-    ${RAYLIB_DIR}/include
 )
 
 target_compile_options(scene_test PRIVATE -fsanitize=address -gdwarf-4)
 target_link_options(scene_test PRIVATE -fsanitize=address -gdwarf-4)
 
-target_link_directories(scene_test
-    PRIVATE
-    ${RAYLIB_DIR}/lib
-)
-
 target_link_libraries(scene_test
     ${GAME_LIBS}
 )
@@ -89,13 +64,9 @@ add_executable(scene_test_mem
 target_include_directories(scene_test_mem
     PRIVATE
     ${CMAKE_CURRENT_LIST_DIR}
-    ${RAYLIB_DIR}/include
 )
 target_link_options(scene_test_mem PRIVATE -Xlinker -Map=scene_test.map)
-target_link_directories(scene_test_mem
-    PRIVATE
-    ${RAYLIB_DIR}/lib
-)
+
 target_link_libraries(scene_test_mem
     ${GAME_LIBS}
 )
@@ -106,14 +77,9 @@ add_executable(menu_test
 target_include_directories(menu_test
     PRIVATE
     ${CMAKE_CURRENT_LIST_DIR}
-    ${RAYLIB_DIR}/include
 )
 target_compile_options(menu_test PRIVATE -fsanitize=address -gdwarf-4)
 target_link_options(menu_test PRIVATE -fsanitize=address -gdwarf-4)
-target_link_directories(menu_test
-    PRIVATE
-    ${RAYLIB_DIR}/lib
-)
 target_link_libraries(menu_test
     ${GAME_LIBS}
 )
@@ -124,14 +90,9 @@ add_executable(assets_test
 target_include_directories(assets_test
     PRIVATE
     ${CMAKE_CURRENT_LIST_DIR}
-    ${RAYLIB_DIR}/include
 )
 target_compile_options(assets_test PRIVATE -fsanitize=address -gdwarf-4)
 target_link_options(assets_test PRIVATE -fsanitize=address -gdwarf-4)
-target_link_directories(assets_test
-    PRIVATE
-    ${RAYLIB_DIR}/lib
-)
 target_link_libraries(assets_test
     ${GAME_LIBS}
 )

engine/assets_maps.c

@@ -1,7 +0,0 @@
-#include "assets_maps.h"
-
-
-const char* const player_sprite_map[N_PLAYER_SPRITES] = {
-    "plr_stand",
-    "plr_run",
-};

engine/assets_maps.h

@@ -1,13 +0,0 @@
-#ifndef __ASSETS_MAPS_H
-#define __ASSETS_MAPS_H
-
-#define N_PLAYER_SPRITES 2
-enum PlayerSpriteEnum
-{
-    SPR_PLAYER_STAND = 0,
-    SPR_PLAYER_RUN
-};
-
-extern const char* const player_sprite_map[N_PLAYER_SPRITES];
-
-#endif // __ASSETS_MAPS_H

scene_test.c

@@ -23,16 +23,16 @@ int main(void)
     init_memory_pools();
 
     init_assets(&engine.assets);
-    Texture2D* tex = add_texture(&engine.assets, "plr_tex", "res/test_tex.png");
+    Texture2D* tex = add_texture(&engine.assets, "plr_tex", "res/bunny_stand.png");
     Sprite_t* spr = add_sprite(&engine.assets, "plr_stand", tex);
     spr->origin = (Vector2){0, 0};
-    spr->frame_size = (Vector2){32, 32};
+    spr->frame_size = (Vector2){32, 64};
 
     spr = add_sprite(&engine.assets, "plr_run", tex);
-    spr->frame_count = 4;
+    spr->frame_count = 1;
     spr->origin = (Vector2){0, 0};
-    spr->frame_size = (Vector2){32, 32};
-    spr->speed = 15;
+    spr->frame_size = (Vector2){32, 64};
+    spr->speed = 30;
 
     LevelScene_t scene;
     scene.scene.engine = &engine;

scenes/CMakeLists.txt

@@ -1,21 +1,16 @@
-add_subdirectory(EC)
+add_subdirectory(engine)
 add_library(lib_scenes STATIC
-    engine.c
-    assets.c
-    assets_maps.c
+    player_ent.c
+    items_ent.c
     editor_scene.c
     menu_scene.c
     game_systems.c
-    AABB.c
-    gui.c
 )
 target_include_directories(lib_scenes
     PUBLIC
     ${CMAKE_CURRENT_LIST_DIR}
-    ${RAYLIB_DIR}/include
 )
 target_link_libraries(lib_scenes
-    PRIVATE
-    lib_EC
-    raylib
+    PUBLIC
+    lib_engine
 )

scenes/constants.h

@@ -4,7 +4,7 @@
 #ifndef TILE16_SIZE
 #define TILE_SIZE 32
 #define DEFAULT_MAP_WIDTH 48
-#define DEFAULT_MAP_HEIGHT 16
+#define DEFAULT_MAP_HEIGHT 22
 #define VIEWABLE_MAP_WIDTH 32
 #define VIEWABLE_MAP_HEIGHT 16
 #else
@@ -22,7 +22,7 @@
 
 #ifndef TILE16_SIZE
 #define PLAYER_WIDTH 30
-#define PLAYER_HEIGHT 55
+#define PLAYER_HEIGHT 42
 #define PLAYER_C_WIDTH 30
 #define PLAYER_C_HEIGHT 30
 #else

scenes/editor_scene.c

@@ -1,7 +1,7 @@
 #include "scene_impl.h"
 #include "game_systems.h"
 #include "constants.h"
-#include "assets_maps.h"
+#include "ent_impl.h"
 #include "raylib.h"
 #include "raymath.h"
 #include <stdio.h>
@@ -40,7 +40,7 @@ static void level_scene_render_func(Scene_t* scene)
     Entity_t* p_ent;
 
     BeginTextureMode(data->game_viewport);
-        ClearBackground(RAYWHITE);
+        ClearBackground(WHITE);
         BeginMode2D(data->cam);
         for (size_t i = 0; i < tilemap.n_tiles; ++i)
         {
@@ -203,57 +203,11 @@ static void level_scene_render_func(Scene_t* scene)
 static void spawn_crate(Scene_t* scene, unsigned int tile_idx, bool metal)
 {
     LevelSceneData_t* data = &(CONTAINER_OF(scene, LevelScene_t, scene)->data);
-    Entity_t* p_crate = add_entity(&scene->ent_manager, CRATES_ENT_TAG);
-    CBBox_t* p_bbox = add_component(&scene->ent_manager, p_crate, CBBOX_COMP_T);
+    Entity_t* p_crate = create_crate(&scene->ent_manager, &scene->engine->assets, metal);
 
-    set_bbox(p_bbox, TILE_SIZE, TILE_SIZE);
-    p_bbox->solid = true;
-    p_bbox->fragile = !metal;
-
-    CTransform_t* p_ctransform = add_component(&scene->ent_manager, p_crate, CTRANSFORM_COMP_T);
+    CTransform_t* p_ctransform = get_component(&scene->ent_manager, p_crate, CTRANSFORM_COMP_T);
     p_ctransform->position.x = (tile_idx % data->tilemap.width) * TILE_SIZE;
     p_ctransform->position.y = (tile_idx / data->tilemap.width) * TILE_SIZE;
-    add_component(&scene->ent_manager, p_crate, CMOVEMENTSTATE_T);
-    add_component(&scene->ent_manager, p_crate, CTILECOORD_COMP_T);
-    CHurtbox_t* p_hurtbox = add_component(&scene->ent_manager, p_crate, CHURTBOX_T);
-    p_hurtbox->size = p_bbox->size;
-    p_hurtbox->fragile = !metal;
-}
-
-static void spawn_player(Scene_t* scene)
-{
-    Entity_t* p_ent = add_entity(&scene->ent_manager, PLAYER_ENT_TAG);
-    CBBox_t* p_bbox = add_component(&scene->ent_manager, p_ent, CBBOX_COMP_T);
-
-    set_bbox(p_bbox, PLAYER_WIDTH, PLAYER_HEIGHT);
-    add_component(&scene->ent_manager, p_ent, CTRANSFORM_COMP_T);
-
-    CJump_t* p_cjump = add_component(&scene->ent_manager, p_ent, CJUMP_COMP_T);
-    p_cjump->jump_speed = 680;
-    p_cjump->jumps = 1;
-    p_cjump->max_jumps = 1;
-    p_cjump->jump_ready = true;
-    add_component(&scene->ent_manager, p_ent, CPLAYERSTATE_T);
-    add_component(&scene->ent_manager, p_ent, CTILECOORD_COMP_T);
-    add_component(&scene->ent_manager, p_ent, CMOVEMENTSTATE_T);
-    CHitBoxes_t* p_hitbox = add_component(&scene->ent_manager, p_ent, CHITBOXES_T);
-    p_hitbox->n_boxes = 2;
-    p_hitbox->boxes[0] = (Rectangle) {
-        .x = 0,
-        .y = -1,
-        .width = p_bbox->size.x - 1,
-        .height = p_bbox->size.y + 2,
-    };
-    p_hitbox->boxes[1] = (Rectangle) {
-        .x =  -1,
-        .y = 0,
-        .width = p_bbox->size.x + 2,
-        .height = p_bbox->size.y - 1,
-    };
-    CSprite_t* p_cspr = add_component(&scene->ent_manager, p_ent, CSPRITE_T);
-    p_cspr->sprite = get_sprite(&scene->engine->assets, "plr_stand");
-    p_cspr->sprites_map = player_sprite_map;
-    p_cspr->transition_func = &player_sprite_transition_func;
 }
 
 static void toggle_block_system(Scene_t* scene)
@@ -422,7 +376,8 @@ void level_do_action(Scene_t* scene, ActionType_t action, bool pressed)
 
 void init_level_scene(LevelScene_t* scene)
 {
-    init_scene(&scene->scene, LEVEL_SCENE, &level_scene_render_func, &level_do_action);
+    //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_level_scene_data(&scene->data);
     // insert level scene systems
@@ -471,7 +426,7 @@ void init_level_scene(LevelScene_t* scene)
         all_tiles[tile_idx].tile_type = SOLID_TILE; // for testing
     }
 
-    spawn_player(&scene->scene);
+    create_player(&scene->scene.ent_manager, &scene->scene.engine->assets);
     update_entity_manager(&scene->scene.ent_manager);
 }
 

scenes/engine/CMakeLists.txt

@@ -0,0 +1,15 @@
+add_subdirectory(EC)
+add_library(lib_engine STATIC
+    assets.c
+    AABB.c
+    gui.c
+    engine.c
+)
+target_include_directories(lib_engine
+    PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}
+)
+target_link_libraries(lib_engine
+    PUBLIC
+    lib_EC
+)

scenes/engine/EC/CMakeLists.txt

@@ -8,7 +8,16 @@ target_include_directories(lib_EC
     ${CMAKE_CURRENT_LIST_DIR}
     ${RAYLIB_DIR}/include
 )
-target_link_libraries(lib_EC
-    PRIVATE
-    raylib
+
+target_link_directories(lib_EC
+    PUBLIC
+    ${RAYLIB_DIR}/lib
+)
+target_link_libraries(lib_EC
+    PUBLIC
+    raylib
+    sc_queue
+    sc_map
+    sc_array
+    m
 )

scenes/engine/engine.c

@@ -7,13 +7,14 @@ void change_scene(GameEngine_t* engine, unsigned int idx)
     engine->scenes[engine->curr_scene]->state = SCENE_PLAYING;
 }
 
-void init_scene(Scene_t* scene, SceneType_t scene_type, system_func_t render_func, action_func_t action_func)
+//void init_scene(Scene_t* scene, SceneType_t scene_type, system_func_t render_func, action_func_t action_func)
+void init_scene(Scene_t* scene, system_func_t render_func, action_func_t action_func)
 {
     sc_map_init_64(&scene->action_map, 32, 0);
     sc_array_init(&scene->systems);
     init_entity_manager(&scene->ent_manager);
 
-    scene->scene_type = scene_type;
+    //scene->scene_type = scene_type;
     scene->render_function = render_func;
     scene->action_function = action_func;
     scene->state = SCENE_ENDED;

scenes/engine/engine.h

@@ -15,10 +15,10 @@ typedef struct GameEngine {
 } GameEngine_t;
 void change_scene(GameEngine_t* engine, unsigned int idx);
 
-typedef enum SceneType {
-    LEVEL_SCENE = 0,
-    MENU_SCENE,
-}SceneType_t;
+//typedef enum SceneType {
+//    LEVEL_SCENE = 0,
+//    MENU_SCENE,
+//}SceneType_t;
 
 typedef enum SceneState {
     SCENE_PLAYING = 0,
@@ -36,7 +36,7 @@ struct Scene {
     system_func_t render_function;
     action_func_t action_function;
     EntityManager_t ent_manager;
-    SceneType_t scene_type;
+    //SceneType_t scene_type;
     SceneState_t state;
     GameEngine_t *engine;
 };
@@ -46,7 +46,8 @@ extern void update_scene(Scene_t* scene);
 extern void render_scene(Scene_t* scene);
 extern void do_action(Scene_t* scene, ActionType_t action, bool pressed);
 
-void init_scene(Scene_t* scene, SceneType_t scene_type, system_func_t render_func, action_func_t action_func);
+//void init_scene(Scene_t* scene, SceneType_t scene_type, system_func_t render_func, action_func_t action_func);
+void init_scene(Scene_t* scene, system_func_t render_func, action_func_t action_func);
 void free_scene(Scene_t* scene);
 
 #endif // __ENGINE_H

scenes/ent_impl.h

@@ -0,0 +1,9 @@
+#ifndef __ENT_IMPL_H
+#define __ENT_IMPL_H
+#include "entManager.h"
+#include "assets.h"
+
+Entity_t* create_player(EntityManager_t* ent_manager, Assets_t* assets);
+Entity_t* create_crate(EntityManager_t* ent_manager, Assets_t* assets, bool metal);
+
+#endif // __ENT_IMPL_H

scenes/game_systems.c

@@ -1,7 +1,6 @@
 #include "game_systems.h"
 #include "AABB.h"
 #include "constants.h"
-#include "assets_maps.h"
 #include <stdio.h>
 
 static const Vector2 TILE_SZ = {TILE_SIZE, TILE_SIZE};
@@ -1134,8 +1133,3 @@ void term_level_scene_data(LevelSceneData_t* data)
     //sc_map_term_32(&data->collision_events);
     UnloadRenderTexture(data->game_viewport); // Unload render texture
 }
-
-unsigned int player_sprite_transition_func(Entity_t* ent)
-{
-    return SPR_PLAYER_RUN;
-}

scenes/game_systems.h

@@ -16,6 +16,4 @@ void update_tilemap_system(Scene_t* scene);
 void hitbox_update_system(Scene_t* scene);
 void sprite_animation_system(Scene_t* scene);
 void camera_update_system(Scene_t* scene);
-
-unsigned int player_sprite_transition_func(Entity_t* ent);
 #endif // __GAME_SYSTEMS_H

scenes/items_ent.c

@@ -0,0 +1,20 @@
+#include "ent_impl.h"
+#include "constants.h"
+
+Entity_t* create_crate(EntityManager_t* ent_manager, Assets_t* assets, bool metal)
+{
+    Entity_t* p_crate = add_entity(ent_manager, CRATES_ENT_TAG);
+    CBBox_t* p_bbox = add_component(ent_manager, p_crate, CBBOX_COMP_T);
+
+    set_bbox(p_bbox, TILE_SIZE, TILE_SIZE);
+    p_bbox->solid = true;
+    p_bbox->fragile = !metal;
+
+    add_component(ent_manager, p_crate, CTRANSFORM_COMP_T);
+    add_component(ent_manager, p_crate, CMOVEMENTSTATE_T);
+    add_component(ent_manager, p_crate, CTILECOORD_COMP_T);
+    CHurtbox_t* p_hurtbox = add_component(ent_manager, p_crate, CHURTBOX_T);
+    p_hurtbox->size = p_bbox->size;
+    p_hurtbox->fragile = !metal;
+    return p_crate;
+}

scenes/menu_scene.c

@@ -118,7 +118,8 @@ static void gui_loop(Scene_t* scene)
 
 void init_menu_scene(MenuScene_t* scene)
 {
-    init_scene(&scene->scene, MENU_SCENE, &menu_scene_render_func, &menu_do_action);
+    //init_scene(&scene->scene, MENU_SCENE, &menu_scene_render_func, &menu_do_action);
+    init_scene(&scene->scene, &menu_scene_render_func, &menu_do_action);
 
     sc_array_add(&scene->scene.systems, &gui_loop);
     

scenes/player_ent.c

@@ -0,0 +1,58 @@
+#include "ent_impl.h"
+#include "constants.h"
+
+#define N_PLAYER_SPRITES 2
+enum PlayerSpriteEnum
+{
+    SPR_PLAYER_STAND = 0,
+    SPR_PLAYER_RUN
+};
+
+static const char* const player_sprite_map[N_PLAYER_SPRITES] = {
+    "plr_stand",
+    "plr_run",
+};
+
+static unsigned int player_sprite_transition_func(Entity_t* ent)
+{
+    return SPR_PLAYER_RUN;
+}
+
+Entity_t* create_player(EntityManager_t* ent_manager, Assets_t* assets)
+{
+    Entity_t* p_ent = add_entity(ent_manager, PLAYER_ENT_TAG);
+    CBBox_t* p_bbox = add_component(ent_manager, p_ent, CBBOX_COMP_T);
+
+    set_bbox(p_bbox, PLAYER_WIDTH, PLAYER_HEIGHT);
+    add_component(ent_manager, p_ent, CTRANSFORM_COMP_T);
+
+    CJump_t* p_cjump = add_component(ent_manager, p_ent, CJUMP_COMP_T);
+    p_cjump->jump_speed = 680;
+    p_cjump->jumps = 1;
+    p_cjump->max_jumps = 1;
+    p_cjump->jump_ready = true;
+    add_component(ent_manager, p_ent, CPLAYERSTATE_T);
+    add_component(ent_manager, p_ent, CTILECOORD_COMP_T);
+    add_component(ent_manager, p_ent, CMOVEMENTSTATE_T);
+    CHitBoxes_t* p_hitbox = add_component(ent_manager, p_ent, CHITBOXES_T);
+    p_hitbox->n_boxes = 2;
+    p_hitbox->boxes[0] = (Rectangle) {
+        .x = 0,
+        .y = -1,
+        .width = p_bbox->size.x - 1,
+        .height = p_bbox->size.y + 2,
+    };
+    p_hitbox->boxes[1] = (Rectangle) {
+        .x =  -1,
+        .y = 0,
+        .width = p_bbox->size.x + 2,
+        .height = p_bbox->size.y - 1,
+    };
+    CSprite_t* p_cspr = add_component(ent_manager, p_ent, CSPRITE_T);
+    p_cspr->sprite = get_sprite(assets, "plr_stand");
+    p_cspr->offset = (Vector2){0, -20};
+    p_cspr->sprites_map = player_sprite_map;
+    p_cspr->transition_func = &player_sprite_transition_func;
+
+    return p_ent;
+}