updated Makefiles and configure script.

.ccls

@@ -1,3 +0,0 @@
-gcc
-# Macros
--DDEBUG=2

.vscode/c_cpp_properties.json

@@ -0,0 +1,33 @@
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "intelliSenseMode": "linux-gcc-arm",
+            "includePath": [
+                "${workspaceFolder}/src",
+                "${workspaceFolder}/src/components",
+                "${workspaceFolder}/core",
+                "${workspaceFolder}/core/host/generic",
+                "/usr/include/lua5.4",
+                "/usr/include/pipewire-0.3",
+                "/usr/include/spa-0.2",
+                "/usr/include/libdrm",
+                "/usr/include/libdecor-0",
+                "/usr/include/x86_64-linux-gnu"
+            ],
+            "compilerPath": "/usr/bin/gcc",
+            "defines": [
+                "-D_REENTRANT"
+            ],
+            "cStandard": "c17",
+            "browse": {
+                "path": [
+                    "${workspaceFolder}"
+                ],
+                "limitSymbolsToIncludedHeaders": true,
+                "databaseFilename": ""
+            }
+        }
+    ],
+    "version": 4
+}

.vscode/launch.json

@@ -4,14 +4,5 @@
     // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
-        {
-            "name": "Debug",
-            "type": "gdb",
-            "request": "launch",
-            "target": "${workspaceFolder}/build/linux/2D_Engine",
-            "cwd": "${workspaceFolder}/build/linux",
-            "valuesFormatting": "parseText",
-            "preLaunchTask": "Build"
-        }
     ]
 }

.vscode/settings.json

@@ -1,11 +1,7 @@
 {
-    "nixEnvSelector.suggestion": false,
-    "nixEnvSelector.nixFile": "${workspaceFolder}/shell.nix",
-    "nixEnvSelector.useFlakes": false,
-
     "files.associations": {
         "*.tsx": "xml",
         "*.map": "json",
-        "configure": "shellscript"
+        "configure": "shellscript",
     }
 }

.vscode/tasks.json

@@ -54,6 +54,25 @@
                 "clear": true
             }
         },
+        {
+            "label": "Run",
+            "detail": "Build project and run",
+            "type": "shell",
+            "command": "make",
+            "args": [
+                "-j$(nproc)",
+                "run"
+            ],
+            "group": "build",
+            "presentation": {
+                "echo": true,
+                "reveal": "always",
+                "focus": true,
+                "panel": "shared",
+                "showReuseMessage": true,
+                "clear": true
+            }
+        },
         {
             "label": "Build Verbose",
             "detail": "Build project with verbosity on",
@@ -72,6 +91,25 @@
                 "clear": true
             }
         },
+        {
+            "label": "Build Debug",
+            "detail": "Build project in debug mode",
+            "type": "shell",
+            "command": "make",
+            "args": [
+                "-j$(nproc)",
+                "DEBUG=2"
+            ],
+            "group": "build",
+            "presentation": {
+                "echo": true,
+                "reveal": "always",
+                "focus": true,
+                "panel": "shared",
+                "showReuseMessage": true,
+                "clear": true
+            }
+        },
         {
             "label": "Run Debug",
             "detail": "Build project in debug mode and run",
@@ -91,25 +129,6 @@
                 "showReuseMessage": true,
                 "clear": true
             }
-        },
-        {
-            "label": "Build Debug",
-            "detail": "Build project in debug mode",
-            "type": "shell",
-            "command": "make",
-            "args": [
-                "-j$(nproc)",
-                "DEBUG=2"
-            ],
-            "group": "build",
-            "presentation": {
-                "echo": true,
-                "reveal": "always",
-                "focus": true,
-                "panel": "shared",
-                "showReuseMessage": true,
-                "clear": true
-            }
         }
     ]
 }

Makefile

@@ -4,14 +4,6 @@ SHELL = /usr/bin/env bash
 
 ROOT := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
 
-ifeq ($(filter clean-all,$(MAKECMDGOALS)),)
-ifneq ($(realpath $(ROOT)/config.mk), $(ROOT)/config.mk)
-$(error ERROR: Please run the configure script before building)
-endif
-
-include $(ROOT)/config.mk
-endif
-
 #
 # User settings
 #
@@ -34,12 +26,28 @@ TARGET_HOST_CFLAGS += -O1 -g -DDEBUG=$(DEBUG) -Wextra -Wall --pedantic -Wno-miss
     -Wstrict-prototypes -Winline -Wundef -Wnested-externs -Wcast-qual \
 	-Wshadow -Wunreachable-code -Wlogical-op -Wfloat-equal -Wstrict-aliasing=2 \
 	-Wredundant-decls -Wold-style-definition
+
+ASSET_BUILDER_CFLAGS += -O1 -g -DDEBUG=$(DEBUG) -Wextra -Wall --pedantic -Wno-missing-braces \
+	-Wno-missing-field-initializers -Wformat=2 -Wswitch-default -Wswitch \
+	-Wcast-align -Wpointer-arith -Wbad-function-cast -Wstrict-overflow=5 \
+    -Wstrict-prototypes -Winline -Wundef -Wnested-externs -Wcast-qual \
+	-Wshadow -Wunreachable-code -Wlogical-op -Wfloat-equal -Wstrict-aliasing=2 \
+	-Wredundant-decls -Wold-style-definition
 endif
 
 #
 # End
 #
 
+# Import config
+ifeq ($(filter clean-all,$(MAKECMDGOALS)),)
+ifneq ($(realpath $(ROOT)/config.mk), $(ROOT)/config.mk)
+$(error ERROR: Please run the configure script before building)
+endif
+
+include $(ROOT)/config.mk
+endif
+
 # Relocate vars
 BUILD_DIR := $(ROOT)/$(BUILD_DIR)/$(TARGET_HOST)
 
@@ -85,5 +93,5 @@ clean-all:
 run: all
 	$(Q)cd $(BUILD_DIR) && ./$(notdir $(OUTPUT))
 
-print-var-%  :
+print-var-% :
 	@echo $($*)

TODO.md

@@ -28,10 +28,10 @@
 
 - [ ] Create lua component
 
-- [ ] Rethink makefile structure
-
 ### Done
 
+- [x] Rethink makefile structure
+
 - [x] Make camera center on map
 
 - [x] Create camera

asset_builder/.ccls

@@ -1,7 +0,0 @@
-gcc
-# Headers
--Iassets/asset_builder/src/headers
--Isrc/components
-
-# Macros
--DDEBUG=2

asset_builder/Makefile

@@ -17,14 +17,14 @@ endif
 
 $(ASSET_BUILDER_OUTPUT): $(OBJECTS)
 	$(Q)mkdir -p $(dir $@)
-	@echo -e "[100%] $(YELLOW)Linking $(notdir $(ASSET_BUILDER_OUTPUT))$(RESET)"
-	$(Q)$(ASSET_BUILDER_CC) $(ASSET_BUILDER_CFLAGS) $(ASSET_BUILDER_LDFLAGS) $(OBJECTS) -o $@
+	$(Q)$(HOST_CC) $(ASSET_BUILDER_CFLAGS) $(OBJECTS) -o $@  $(ASSET_BUILDER_LDFLAGS)
+	@echo "[100%] $(YELLOW)Linking $(notdir $(ASSET_BUILDER_OUTPUT))$(RESET)"
 
 $(BUILD_DIR)/$(notdir $(ASSET_BUILDER_DIR))/%.o: $(ASSET_BUILDER_DIR)/%
 	$(Q)mkdir -p $(dir $@)
 	$(eval CURRENT_FILE := $(shell echo $$(($(CURRENT_FILE)+1))))
 	$(eval PERCENTAGE := $(shell echo $$(($(CURRENT_FILE)*100/$(TOTAL_BUILD_FILES)))))
-	@echo -e "[$(PERCENTAGE)%] $(GREEN)Building C object $@$(RESET)"
-	$(Q)$(ASSET_BUILDER_CC) $(ASSET_BUILDER_CFLAGS) $(INCLUDES:%=-I%) -MMD -MP -c $< -o $@
+	$(Q)$(HOST_CC) $(ASSET_BUILDER_CFLAGS) $(INCLUDES:%=-I%) -MMD -MP -c $< -o $@
+	@echo "[$(PERCENTAGE)%] $(GREEN)Building C object $@$(RESET)"
 
 -include $(ASSET_BUILDER_OBJECTS:.o=.d)

assets/Makefile

@@ -9,6 +9,9 @@ ASSETS := \
   maps/dungeon_entry.map \
   maps/dungeon_room_1.map
 
+LUA_SOURCES := \
+  enemy_system.lua
+
 OBJECTS := $(ASSETS:%=$(BUILD_DIR)/$(notdir $(ASSETS_DIR))/%.o)
 
 ifeq ($(TOTAL_BUILD_FILES),)
@@ -16,14 +19,14 @@ TOTAL_BUILD_FILES := $(shell echo $$(($$($(MAKE) -n $(OBJECTS) TOTAL_BUILD_FILES
 endif
 
 $(ASSET_OUTPUT): $(OBJECTS) $(ASSET_BUILDER_OUTPUT)
-	@echo -e "[100%] $(YELLOW)Building $(notdir $(ASSET_OUTPUT))$(RESET)"
+	@echo "[100%] $(YELLOW)Building $(notdir $(ASSET_OUTPUT))$(RESET)"
 	$(Q)$(ASSET_BUILDER_OUTPUT) $@ $(OBJECTS)
 
 $(BUILD_DIR)/$(notdir $(ASSETS_DIR))/%.o: $(ASSETS_DIR)/% $(ASSET_BUILDER_OUTPUT)
 	$(Q)mkdir -p $(dir $@)
 	$(eval CURRENT_FILE := $(shell echo $$(($(CURRENT_FILE) + 1))))
 	$(eval PERCENTAGE := $(shell echo $$(($(CURRENT_FILE) * 100 / $(TOTAL_BUILD_FILES)))))
-	@echo -e "[$(PERCENTAGE)%] $(GREEN)Building ASSET object $@$(RESET)"
+	@echo "[$(PERCENTAGE)%] $(GREEN)Building ASSET object $@$(RESET)"
 	$(Q)$(ASSET_BUILDER_OUTPUT) $@ -c $<
 
 $(ASSET_BUILDER_OUTPUT): FORCE

configure

@@ -26,22 +26,27 @@ print_error()
 }
 
 ## Parse args
+CURRENT_HOST="guess"
 TARGET_HOST="guess"
 
 for i in "$@"; do
     case $i in
       --target-host=*)
         TARGET_HOST="${i#*=}"
-        shift # past argument=value
+        shift
+        ;;
+      --current-host=*)
+        CURRENT_HOST="${i#*=}"
+        shift
         ;;
       --clean)
         CLEAN=1
         EXIT_AFTER_CLEAN=1
-        shift # past argument=value
+        shift
         ;;
       --reconfigure)
         CLEAN=1
-        shift # past argument=value
+        shift
         ;;
       -h|--help)
         echo "Usage : ./configure [OPTION]..."
@@ -51,6 +56,9 @@ for i in "$@"; do
         echo -e "\033[1m  --target-host=\033[mHOST"
         echo -e "\tselect target host platform, default is \"guess\" and"
         echo -e "\twill try to configure for your current OS"
+        echo -e "\033[1m  --current-host=\033[mHOST"
+        echo -e "\tselect current host platform, default is \"guess\" and"
+        echo -e "\twill try to detect your current OS"
         echo -e "\033[1m  --clean\033[m"
         echo -e "\tclean build, config, cache, etc, and exit"
         echo -e "\033[1m  --reconfigure\033[m"
@@ -78,20 +86,22 @@ if [ -n "${EXIT_AFTER_CLEAN}" ]; then
 fi
 
 ## Deduce current and target hosts
-case "${OSTYPE}" in
-  linux*)
-    CURRENT_HOST="linux"
-    ;;
-#  msys*|cygwin*)
-#    CURRENT_HOST="windows"
-#    ;;
-#  darwin*)
-#    CURRENT_HOST="macos"
-#    ;;
-  *)
-    print_error "Current detected os is unsuppoted to build from: ${OSTYPE}\nUse --help for more informations."
-    ;;
-esac
+if [ "${CURRENT_HOST}" = "guess" ]; then
+    case "${OSTYPE}" in
+      linux*)
+        CURRENT_HOST="linux"
+        ;;
+#      msys*|cygwin*)
+#        CURRENT_HOST="windows"
+#        ;;
+#      darwin*)
+#        CURRENT_HOST="macos"
+#        ;;
+    *)
+        print_error "Current detected os is unsuppoted to build from: ${OSTYPE}\nUse --help for more informations."
+        ;;
+    esac
+fi
 
 echo "Configuring for current host: ${CURRENT_HOST}"
 
@@ -101,8 +111,8 @@ fi
 
 case "${CURRENT_HOST}" in
   linux)
-    ASSET_BUILDER_CC="gcc"
-    ASSET_BUILDER_AR="ar"
+    HOST_CC="gcc"
+    HOST_AR="ar"
     ASSET_BUILDER_CFLAGS="--std=c17 -O2 \$(shell pkg-config --cflags libpng json-c)"
     ASSET_BUILDER_LDFLAGS="\$(shell pkg-config --libs libpng json-c)"
     ;;
@@ -117,17 +127,16 @@ case "${TARGET_HOST}" in
 
     case "${CURRENT_HOST}" in
       linux)
+        TARGET_HOST_CC="gcc"
+        TARGET_HOST_AR="ar"
+        TARGET_HOST_CFLAGS="--std=c17 -Os -DASSET_FILE_NAME=\\\"\$(notdir \$(ASSET_OUTPUT))\\\" -D_GNU_SOURCE=1 \$(shell pkg-config --cflags sdl3 lua)"
+        TARGET_HOST_LDFLAGS="\$(shell pkg-config --libs sdl3 lua) -lm"
+        TARGET_HOST_LIBCORE="libcore.a"
         ;;
       *)
-        print_error "Cross compiling from ${CURRENT_HOST} to ${TARGET_HOST} is not supported yet."
+        print_error "Cross compiling from ${CURRENT_HOST} for ${TARGET_HOST} is not supported yet."
         ;;
     esac
-
-    TARGET_CC="gcc"
-    TARGET_AR="ar"
-    TARGET_CFLAGS="--std=c17 -Os -DASSET_FILE_NAME=\\\"\$(notdir \$(ASSET_OUTPUT))\\\" -D_GNU_SOURCE=1 \$(shell pkg-config --cflags sdl3)"
-    TARGET_LDFLAGS="\$(shell pkg-config --libs sdl3) -lm"
-    TARGET_LIBCORE="libcore.a"
     ;;
 
   fxcg50)
@@ -135,17 +144,16 @@ case "${TARGET_HOST}" in
 
     case "${CURRENT_HOST}" in
       linux)
+        TARGET_HOST_CC="sh-elf-gcc"
+        TARGET_HOST_AR="sh-elf-ar"
+        TARGET_HOST_CFLAGS="--std=c17 -Os"
+        TARGET_HOST_LDFLAGS=""
+        TARGET_HOST_LIBCORE="libcore.a"
         ;;
       *)
-        print_error "Cross compiling from ${CURRENT_HOST} to ${TARGET_HOST} is not supported yet."
+        print_error "Cross compiling from ${CURRENT_HOST} for ${TARGET_HOST} is not supported yet."
         ;;
     esac
-
-    TARGET_CC="sh-elf-gcc"
-    TARGET_AR="sh-elf-ar"
-    TARGET_CFLAGS="--std=c17 -O3"
-    TARGET_LDFLAGS=""
-    TARGET_LIBCORE="libcore.a"
     ;;
   *)
     print_error "Unsupported target host: ${TARGET_HOST}"
@@ -155,22 +163,24 @@ echo "Writing config file."
 echo
 echo "${CONFIG_FILE}:"
 echo "\`\`\`"
-tee ${CONFIG_FILE} <<EOF
+
+tee "${CONFIG_FILE}" <<EOF
 # This file was generated by the configure script.
 
 TARGET_HOST = ${TARGET_HOST}
-LIBCORE = ${TARGET_LIBCORE}
+LIBCORE = ${TARGET_HOST_LIBCORE}
 
-TARGET_HOST_CC = ${TARGET_CC}
-TARGET_HOST_AR = ${TARGET_AR}
-TARGET_HOST_CFLAGS = ${TARGET_CFLAGS}
-TARGET_HOST_LDFLAGS = ${TARGET_LDFLAGS}
+TARGET_HOST_CC = ${TARGET_HOST_CC}
+TARGET_HOST_AR = ${TARGET_HOST_AR}
+TARGET_HOST_CFLAGS = ${TARGET_HOST_CFLAGS}
+TARGET_HOST_LDFLAGS = ${TARGET_HOST_LDFLAGS}
+
+HOST_CC = ${HOST_CC}
 
-ASSET_BUILDER_CC = ${ASSET_BUILDER_CC}
-ASSET_BUILDER_AR = ${ASSET_BUILDER_AR}
 ASSET_BUILDER_CFLAGS = ${ASSET_BUILDER_CFLAGS}
 ASSET_BUILDER_LDFLAGS = ${ASSET_BUILDER_LDFLAGS}
 EOF
+
 echo "\`\`\`"
 
 #

core/.ccls

@@ -1,8 +0,0 @@
-gcc
-# Headers
--Icore
--Icore/host/generic
--Isrc/components
-
-# Macros
--DASSET_FILE_NAME="$(make print-var-ASSET_OUTPUT)"

core/Makefile

@@ -24,14 +24,14 @@ endif
 $(LIBCORE): $(OBJECTS)
 	$(eval CURRENT_FILE := $(shell echo $$(($(CURRENT_FILE) + 1))))
 	$(eval PERCENTAGE := $(shell echo $$(($(CURRENT_FILE) * 100 / $(TOTAL_BUILD_FILES)))))
-	@echo -e "[$(PERCENTAGE)%] $(YELLOW)Creating Static Lib $@$(RESET)"
+	@echo "[$(PERCENTAGE)%] $(YELLOW)Creating Static Lib $@$(RESET)"
 	$(Q)$(TARGET_HOST_AR) rcs $@ $(OBJECTS)
 
 $(BUILD_DIR)/$(notdir $(CORE_DIR))/%.o: $(CORE_DIR)/%
 	$(Q)mkdir -p $(dir $@)
 	$(eval CURRENT_FILE := $(shell echo $$(($(CURRENT_FILE) + 1))))
 	$(eval PERCENTAGE := $(shell echo $$(($(CURRENT_FILE) * 100 / $(TOTAL_BUILD_FILES)))))
-	@echo -e "[$(PERCENTAGE)%] $(GREEN)Building C object $@$(RESET)"
+	@echo "[$(PERCENTAGE)%] $(GREEN)Building C object $@$(RESET)"
 	$(Q)$(TARGET_HOST_CC) $(TARGET_HOST_CFLAGS) $(INCLUDES:%=-I%) -MMD -MP -c $< -o $@
 
 -include $(OBJECTS:.o=.d)

core/host/linux/.ccls

@@ -1,5 +0,0 @@
-gcc
-# Headers
--Icore
--Icore/host/linux
--Isrc/components

core/host/linux/display.c

@@ -28,14 +28,19 @@ inline int display_init(void)
         return EXIT_FAILURE;
     }
 
+#ifdef DRIVERS
     debug_printf("Listing available render drivers.");
     const int NB_DRIVERS = SDL_GetNumRenderDrivers();
     for(int i = 0; i < NB_DRIVERS; i++)
         debug_printf("%d : %s", i, SDL_GetRenderDriver(i));
 
-    if(DRIVERS) warning_printf("This build of 2D_Engine_C only support the following drivers : %s", DRIVERS);
+    warning_printf("This build of 2D_Engine_C only support the following drivers : %s", DRIVERS);
 
     game.display.renderer = SDL_CreateRenderer(game.display.window, DRIVERS);
+#else
+    game.display.renderer = SDL_CreateRenderer(game.display.window, NULL);
+#endif // DRIVERS
+
     if(!game.display.renderer)
     {
         error_printf("Failed to create renderer : %s", SDL_GetError());
@@ -53,13 +58,13 @@ inline int display_init(void)
         error_printf("Failed to set renderer draw blend mode : %s", SDL_GetError());
         return EXIT_FAILURE;
     }
-
+/*
     if(!SDL_SetDefaultTextureScaleMode(game.display.renderer, SDL_SCALEMODE_NEAREST))
     {
         error_printf("Failed to set default texture scale mode : %s", SDL_GetError());
         return EXIT_FAILURE;
     }
-
+*/
     debug_printf("Initialized display.");
 
     return EXIT_SUCCESS;

core/host/linux/display.h

@@ -14,7 +14,6 @@
 #define DISPLAY_WIDTH 720
 #define DISPLAY_HEIGHT 480
 
-//#define DRIVERS NULL
 #define DRIVERS "vulkan,gpu,software"
 
 typedef struct display_t {

src/.ccls

@@ -1,5 +0,0 @@
-gcc
-# Headers
--Isrc/components
--Icore
--Icore/host/generic

src/Makefile

@@ -23,14 +23,14 @@ TOTAL_BUILD_FILES := $(shell echo $$(($$($(MAKE) -n $(OBJECTS) TOTAL_BUILD_FILES
 endif
 
 $(OUTPUT): $(OBJECTS) $(LIBCORE)
-	@echo -e "[100%] $(YELLOW)Linking $(notdir $(OUTPUT))$(RESET)"
-	$(Q)$(TARGET_HOST_CC) $(TARGET_HOST_CFLAGS) $(TARGET_HOST_LDFLAGS) $(OBJECTS) -L$(BUILD_DIR) -lcore -o $@
+	@echo "[100%] $(YELLOW)Linking $(notdir $(OUTPUT))$(RESET)"
+	$(Q)$(TARGET_HOST_CC) $(TARGET_HOST_CFLAGS) $(OBJECTS) -o $@ -L$(BUILD_DIR) -lcore $(TARGET_HOST_LDFLAGS)
 
 $(BUILD_DIR)/$(notdir $(SOURCE_DIR))/%.o: $(SOURCE_DIR)/%
 	$(Q)mkdir -p $(dir $@)
 	$(eval CURRENT_FILE := $(shell echo $$(($(CURRENT_FILE) + 1))))
 	$(eval PERCENTAGE := $(shell echo $$(($(CURRENT_FILE) * 100 / $(TOTAL_BUILD_FILES)))))
-	@echo -e "[$(PERCENTAGE)%] $(GREEN)Building C object $@$(RESET)"
+	@echo "[$(PERCENTAGE)%] $(GREEN)Building C object $@$(RESET)"
 	$(Q)$(TARGET_HOST_CC) $(TARGET_HOST_CFLAGS) $(INCLUDES:%=-I%) -MMD -MP -c $< -o $@
 
 $(LIBCORE): FORCE

src/components/components.def

@@ -6,10 +6,12 @@
 COMPONENT(TRANSFORM_COMPONENT, transform_component, DRAW)
 COMPONENT(HITBOX_COMPONENT,    hitbox_component,    DRAW)
 COMPONENT(INTERACT_COMPONENT,  interact_component,   DRAW)
+COMPONENT(LUA_COMPONENT,       lua_component,       DRAW)
 #else
 COMPONENT(TRANSFORM_COMPONENT, transform_component, NO_DRAW)
 COMPONENT(HITBOX_COMPONENT,    hitbox_component,    NO_DRAW)
 COMPONENT(INTERACT_COMPONENT,  interact_component,   NO_DRAW)
+COMPONENT(LUA_COMPONENT,       lua_component,       NO_DRAW)
 #endif // DEBUG >= 2
 
 COMPONENT(PHYSICS_SYSTEM,      physics_system,      NO_DRAW)
@@ -18,7 +20,6 @@ COMPONENT(ANIMATION_SYSTEM,    animation_system,    NO_DRAW)
 COMPONENT(PLAYER_SYSTEM,       player_system,       NO_DRAW)
 COMPONENT(LEVER_COMPONENT,     lever_component,     NO_DRAW)
 COMPONENT(DOOR_COMPONENT,      door_component,      NO_DRAW)
-// COMPONENT(LUA_COMPONENT,       lua_component,       NO_DRAW)
 // Add new components definition here
 
 #undef COMPONENT

src/components/lua_component.c

@@ -1,6 +1,51 @@
-#ifndef LUA_COMPONENT_H
-#define LUA_COMPONENT_H
+#include "lua_component.h"
 
+#include <lua.h>
+#include <lauxlib.h>
+#include <lualib.h>
+#include "game.h"
+#include "ecs.h"
+#include "memory_alloc.h"
+#include "errors.h"
 
+inline int lua_component_init(component_t *component)
+{
+    lua_component_data_t *component_data = component->data;
 
-#endif // LUA_COMPONENT_H
+    component_data->lua_state = luaL_newstate();
+
+    luaL_openlibs(component_data->lua_state);
+
+    luaL_dostring(component_data->lua_state, "function f (a) print(a) end");
+
+    return EXIT_SUCCESS;
+}
+
+inline int lua_component_update(component_t *component __attribute__((unused)))
+{
+    lua_component_data_t *component_data = component->data;
+
+    luaL_dostring(component_data->lua_state, "f(\"prout\")");
+
+    return EXIT_SUCCESS;
+}
+
+#if DEBUG >= 2
+#include "display.h"
+
+inline int lua_component_draw(const component_t *component)
+{
+    return EXIT_SUCCESS;
+}
+#endif // DEBUG >= 2
+
+inline int lua_component_destroy(component_t *component)
+{
+    lua_component_data_t *component_data = component->data;
+
+    lua_close(component_data->lua_state);
+
+    free(component_data);
+
+    return EXIT_SUCCESS;
+}

src/components/lua_component.h

@@ -0,0 +1,19 @@
+#ifndef LUA_COMPONENT_H
+#define LUA_COMPONENT_H
+
+#include <lua.h>
+#include "ecs.h"
+#include "errors.h"
+
+typedef struct lua_component_data_t {
+    lua_State *lua_state;
+} lua_component_data_t;
+
+int lua_component_init(component_t *component);
+int lua_component_update(component_t *component);
+#if DEBUG >= 2
+int lua_component_draw(const component_t *component);
+#endif // DEBUG >= 2
+int lua_component_destroy(component_t *component);
+
+#endif // LUA_COMPONENT_H

src/game.c

@@ -21,7 +21,7 @@ int game_init(void)
     entity_manager_init();
     if(asset_manager_init()) return_failure_int;
 
-    asset_t *map_asset = asset_manager_load_asset("dungeon_room_1", ASSET_MAP);
+    asset_t *map_asset = asset_manager_load_asset("dungeon_entry", ASSET_MAP);
     if(!map_asset) return_failure_int;
 
     game.map = map_asset->data;
@@ -118,7 +118,15 @@ int game_init(void)
 
         if(!entity_new_component(player_entity, PLAYER_SYSTEM))  return_failure_int;
     }
+    /* ======== Enemy ======== */
+/*
+    {
+        entity_t *enemy_entity = entity_manager_new_entity(1);
+        if(!enemy_entity) return_failure_int;
 
+        if(!entity_new_component(enemy_entity, LUA_COMPONENT))  return_failure_int;
+    }
+*/
     game.is_running = true;
 
     return EXIT_SUCCESS;