2d

CMakePresets.json

@@ -17,7 +17,8 @@
             "inherits": "default",
             "cacheVariables": {
                 "FISHBONE_BUILD_TESTS": "ON",
-                "CMAKE_EXPORT_COMPILE_COMMANDS": "ON"
+                "CMAKE_EXPORT_COMPILE_COMMANDS": "ON",
+                "CMAKE_BUILD_TYPE": "Debug"
             }
         }
     ],

client/main.cc

@@ -11,25 +11,17 @@ static void cleanup(int sig){
 #endif
 
 int main(){
-	fishbone::SoundDriver* drv;
-	fishbone::Sound* snd;
-	
+	fishbone::Client* client;
+	fishbone::StringArrayMap param;
+
+	param["basedir"] = {"./data", "../data"};
+
+	client = new fishbone::Client(param);
+
 #ifndef _WIN32
 	signal(SIGINT, cleanup);
 	signal(SIGTERM, cleanup);
 #endif
 
-	drv = new fishbone::SoundDriver();
-
-	snd = drv->mixer.open("shanghai.mp3");
-	snd->setLoop(true);
-	snd->position[0] = -1;
-	snd->position[1] = 0;
-	snd->position[2] = 0;
-	snd->is3d = true;
-	snd->resume();
-
-	while(!quit);
-
-	delete drv;
+	while(!quit && client->step());
 }

data/model.obj

@@ -0,0 +1,28 @@
+# Blender 5.0.1
+# www.blender.org
+v -0.500000 -0.500000 0.500000
+v -0.500000 0.500000 0.500000
+v -0.500000 -0.500000 -0.500000
+v -0.500000 0.500000 -0.500000
+v 0.500000 -0.500000 0.500000
+v 0.500000 0.500000 0.500000
+v 0.500000 -0.500000 -0.500000
+v 0.500000 0.500000 -0.500000
+vn -1.0000 -0.0000 -0.0000
+vn -0.0000 -0.0000 -1.0000
+vn 1.0000 -0.0000 -0.0000
+vn -0.0000 -0.0000 1.0000
+vn -0.0000 -1.0000 -0.0000
+vn -0.0000 1.0000 -0.0000
+vt 0.000000 0.000000
+vt 0.000000 1.000000
+vt 1.000000 1.000000
+vt 1.000000 0.000000
+s 0
+usemtl Material
+f 1/1/1 2/2/1 4/3/1 3/4/1
+f 3/1/2 4/2/2 8/3/2 7/4/2
+f 7/4/3 8/3/3 6/2/3 5/1/3
+f 5/4/4 6/3/4 2/2/4 1/1/4
+f 3/2/5 7/3/5 5/4/5 1/1/5
+f 8/3/6 4/2/6 2/1/6 6/4/6

engine/CMakeLists.txt

@@ -15,7 +15,6 @@ if(NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/cmake/CPM.cmake")
 		message(FATAL_ERROR "Failed to download CPM.cmake: ${status}\n${log_content}")
 	endif()
 endif()
-include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/CPM.cmake")
 include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/util.cmake")
 
 file(GLOB_RECURSE SRCS src/**.cc src/**.c)
@@ -38,6 +37,7 @@ pkg_add(fishbone sdl2 REQUIRED)
 set(FISHBONE_SOUND_USE_SDL2 ON)
 set(FISHBONE_WINDOW_USE_SDL2 ON)
 set(FISHBONE_THREAD_USE_SDL2 ON)
+set(FISHBONE_DRAW_USE_OPENGL ON)
 
 configure_file(config.h.in fishbone/config.h)
 target_include_directories(fishbone PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
@@ -48,6 +48,9 @@ fb_add_dep(fishbone ode)
 # Image
 fb_add_dep(fishbone stb_image)
 
+# Graphics
+fb_add_dep(fishbone glad)
+
 # Sound
 fb_add_dep(fishbone stb_vorbis)
 fb_add_dep(fishbone dr_libs)
@@ -65,4 +68,7 @@ if(FISHBONE_BUILD_TESTS)
 	list(APPEND CMAKE_MODULE_PATH ${Catch2_SOURCE_DIR}/extras)
 	enable_testing()
 	add_subdirectory(tests)
-endif()
+endif()
+
+# Tools
+add_subdirectory(tools)

engine/cmake/deps/enet.cmake

@@ -5,3 +5,5 @@ CPMAddPackage(
 	GITHUB_REPOSITORY "lsalzman/enet"
 	GIT_TAG master
 )
+
+target_include_directories(enet PUBLIC ${enet_SOURCE_DIR}/include)

engine/cmake/deps/glad.cmake

@@ -0,0 +1,3 @@
+add_library(glad ${CMAKE_CURRENT_SOURCE_DIR}/glad/src/glad.c)
+target_include_directories(glad PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/glad/include)
+set_target_properties(glad PROPERTIES POSITION_INDEPENDENT_CODE TRUE)

engine/cmake/util.cmake

@@ -12,7 +12,12 @@ function(fb_add_dep TARGET_NAME DEP_NAME)
 		return()
 	endif()
 
-	include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/deps/${DEP_NAME}.cmake")
+	set(TOP_CMAKE "${CMAKE_CURRENT_SOURCE_DIR}/")
+	while(NOT EXISTS "${TOP_CMAKE}")
+		set(TOP_CMAKE "${TOP_CMAKE}../")
+	endwhile()
+
+	include("${TOP_CMAKE}cmake/deps/${DEP_NAME}.cmake")
 
 	if(NOT TARGET deps::${DEP_NAME})
 		add_library(deps::${DEP_NAME} ALIAS ${DEP_NAME})

engine/config.h.in

@@ -4,5 +4,6 @@
 #cmakedefine FISHBONE_SOUND_USE_SDL2
 #cmakedefine FISHBONE_WINDOW_USE_SDL2
 #cmakedefine FISHBONE_THREAD_USE_SDL2
+#cmakedefine FISHBONE_DRAW_USE_OPENGL
 
 #endif

engine/glad/include/KHR/khrplatform.h

@@ -0,0 +1,311 @@
+#ifndef __khrplatform_h_
+#define __khrplatform_h_
+
+/*
+** Copyright (c) 2008-2018 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+/* Khronos platform-specific types and definitions.
+ *
+ * The master copy of khrplatform.h is maintained in the Khronos EGL
+ * Registry repository at https://github.com/KhronosGroup/EGL-Registry
+ * The last semantic modification to khrplatform.h was at commit ID:
+ *      67a3e0864c2d75ea5287b9f3d2eb74a745936692
+ *
+ * Adopters may modify this file to suit their platform. Adopters are
+ * encouraged to submit platform specific modifications to the Khronos
+ * group so that they can be included in future versions of this file.
+ * Please submit changes by filing pull requests or issues on
+ * the EGL Registry repository linked above.
+ *
+ *
+ * See the Implementer's Guidelines for information about where this file
+ * should be located on your system and for more details of its use:
+ *    http://www.khronos.org/registry/implementers_guide.pdf
+ *
+ * This file should be included as
+ *        #include <KHR/khrplatform.h>
+ * by Khronos client API header files that use its types and defines.
+ *
+ * The types in khrplatform.h should only be used to define API-specific types.
+ *
+ * Types defined in khrplatform.h:
+ *    khronos_int8_t              signed   8  bit
+ *    khronos_uint8_t             unsigned 8  bit
+ *    khronos_int16_t             signed   16 bit
+ *    khronos_uint16_t            unsigned 16 bit
+ *    khronos_int32_t             signed   32 bit
+ *    khronos_uint32_t            unsigned 32 bit
+ *    khronos_int64_t             signed   64 bit
+ *    khronos_uint64_t            unsigned 64 bit
+ *    khronos_intptr_t            signed   same number of bits as a pointer
+ *    khronos_uintptr_t           unsigned same number of bits as a pointer
+ *    khronos_ssize_t             signed   size
+ *    khronos_usize_t             unsigned size
+ *    khronos_float_t             signed   32 bit floating point
+ *    khronos_time_ns_t           unsigned 64 bit time in nanoseconds
+ *    khronos_utime_nanoseconds_t unsigned time interval or absolute time in
+ *                                         nanoseconds
+ *    khronos_stime_nanoseconds_t signed time interval in nanoseconds
+ *    khronos_boolean_enum_t      enumerated boolean type. This should
+ *      only be used as a base type when a client API's boolean type is
+ *      an enum. Client APIs which use an integer or other type for
+ *      booleans cannot use this as the base type for their boolean.
+ *
+ * Tokens defined in khrplatform.h:
+ *
+ *    KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values.
+ *
+ *    KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0.
+ *    KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0.
+ *
+ * Calling convention macros defined in this file:
+ *    KHRONOS_APICALL
+ *    KHRONOS_APIENTRY
+ *    KHRONOS_APIATTRIBUTES
+ *
+ * These may be used in function prototypes as:
+ *
+ *      KHRONOS_APICALL void KHRONOS_APIENTRY funcname(
+ *                                  int arg1,
+ *                                  int arg2) KHRONOS_APIATTRIBUTES;
+ */
+
+#if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC)
+#   define KHRONOS_STATIC 1
+#endif
+
+/*-------------------------------------------------------------------------
+ * Definition of KHRONOS_APICALL
+ *-------------------------------------------------------------------------
+ * This precedes the return type of the function in the function prototype.
+ */
+#if defined(KHRONOS_STATIC)
+    /* If the preprocessor constant KHRONOS_STATIC is defined, make the
+     * header compatible with static linking. */
+#   define KHRONOS_APICALL
+#elif defined(_WIN32)
+#   define KHRONOS_APICALL __declspec(dllimport)
+#elif defined (__SYMBIAN32__)
+#   define KHRONOS_APICALL IMPORT_C
+#elif defined(__ANDROID__)
+#   define KHRONOS_APICALL __attribute__((visibility("default")))
+#else
+#   define KHRONOS_APICALL
+#endif
+
+/*-------------------------------------------------------------------------
+ * Definition of KHRONOS_APIENTRY
+ *-------------------------------------------------------------------------
+ * This follows the return type of the function  and precedes the function
+ * name in the function prototype.
+ */
+#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__)
+    /* Win32 but not WinCE */
+#   define KHRONOS_APIENTRY __stdcall
+#else
+#   define KHRONOS_APIENTRY
+#endif
+
+/*-------------------------------------------------------------------------
+ * Definition of KHRONOS_APIATTRIBUTES
+ *-------------------------------------------------------------------------
+ * This follows the closing parenthesis of the function prototype arguments.
+ */
+#if defined (__ARMCC_2__)
+#define KHRONOS_APIATTRIBUTES __softfp
+#else
+#define KHRONOS_APIATTRIBUTES
+#endif
+
+/*-------------------------------------------------------------------------
+ * basic type definitions
+ *-----------------------------------------------------------------------*/
+#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__)
+
+
+/*
+ * Using <stdint.h>
+ */
+#include <stdint.h>
+typedef int32_t                 khronos_int32_t;
+typedef uint32_t                khronos_uint32_t;
+typedef int64_t                 khronos_int64_t;
+typedef uint64_t                khronos_uint64_t;
+#define KHRONOS_SUPPORT_INT64   1
+#define KHRONOS_SUPPORT_FLOAT   1
+/*
+ * To support platform where unsigned long cannot be used interchangeably with
+ * inptr_t (e.g. CHERI-extended ISAs), we can use the stdint.h intptr_t.
+ * Ideally, we could just use (u)intptr_t everywhere, but this could result in
+ * ABI breakage if khronos_uintptr_t is changed from unsigned long to
+ * unsigned long long or similar (this results in different C++ name mangling).
+ * To avoid changes for existing platforms, we restrict usage of intptr_t to
+ * platforms where the size of a pointer is larger than the size of long.
+ */
+#if defined(__SIZEOF_LONG__) && defined(__SIZEOF_POINTER__)
+#if __SIZEOF_POINTER__ > __SIZEOF_LONG__
+#define KHRONOS_USE_INTPTR_T
+#endif
+#endif
+
+#elif defined(__VMS ) || defined(__sgi)
+
+/*
+ * Using <inttypes.h>
+ */
+#include <inttypes.h>
+typedef int32_t                 khronos_int32_t;
+typedef uint32_t                khronos_uint32_t;
+typedef int64_t                 khronos_int64_t;
+typedef uint64_t                khronos_uint64_t;
+#define KHRONOS_SUPPORT_INT64   1
+#define KHRONOS_SUPPORT_FLOAT   1
+
+#elif defined(_WIN32) && !defined(__SCITECH_SNAP__)
+
+/*
+ * Win32
+ */
+typedef __int32                 khronos_int32_t;
+typedef unsigned __int32        khronos_uint32_t;
+typedef __int64                 khronos_int64_t;
+typedef unsigned __int64        khronos_uint64_t;
+#define KHRONOS_SUPPORT_INT64   1
+#define KHRONOS_SUPPORT_FLOAT   1
+
+#elif defined(__sun__) || defined(__digital__)
+
+/*
+ * Sun or Digital
+ */
+typedef int                     khronos_int32_t;
+typedef unsigned int            khronos_uint32_t;
+#if defined(__arch64__) || defined(_LP64)
+typedef long int                khronos_int64_t;
+typedef unsigned long int       khronos_uint64_t;
+#else
+typedef long long int           khronos_int64_t;
+typedef unsigned long long int  khronos_uint64_t;
+#endif /* __arch64__ */
+#define KHRONOS_SUPPORT_INT64   1
+#define KHRONOS_SUPPORT_FLOAT   1
+
+#elif 0
+
+/*
+ * Hypothetical platform with no float or int64 support
+ */
+typedef int                     khronos_int32_t;
+typedef unsigned int            khronos_uint32_t;
+#define KHRONOS_SUPPORT_INT64   0
+#define KHRONOS_SUPPORT_FLOAT   0
+
+#else
+
+/*
+ * Generic fallback
+ */
+#include <stdint.h>
+typedef int32_t                 khronos_int32_t;
+typedef uint32_t                khronos_uint32_t;
+typedef int64_t                 khronos_int64_t;
+typedef uint64_t                khronos_uint64_t;
+#define KHRONOS_SUPPORT_INT64   1
+#define KHRONOS_SUPPORT_FLOAT   1
+
+#endif
+
+
+/*
+ * Types that are (so far) the same on all platforms
+ */
+typedef signed   char          khronos_int8_t;
+typedef unsigned char          khronos_uint8_t;
+typedef signed   short int     khronos_int16_t;
+typedef unsigned short int     khronos_uint16_t;
+
+/*
+ * Types that differ between LLP64 and LP64 architectures - in LLP64,
+ * pointers are 64 bits, but 'long' is still 32 bits. Win64 appears
+ * to be the only LLP64 architecture in current use.
+ */
+#ifdef KHRONOS_USE_INTPTR_T
+typedef intptr_t               khronos_intptr_t;
+typedef uintptr_t              khronos_uintptr_t;
+#elif defined(_WIN64)
+typedef signed   long long int khronos_intptr_t;
+typedef unsigned long long int khronos_uintptr_t;
+#else
+typedef signed   long  int     khronos_intptr_t;
+typedef unsigned long  int     khronos_uintptr_t;
+#endif
+
+#if defined(_WIN64)
+typedef signed   long long int khronos_ssize_t;
+typedef unsigned long long int khronos_usize_t;
+#else
+typedef signed   long  int     khronos_ssize_t;
+typedef unsigned long  int     khronos_usize_t;
+#endif
+
+#if KHRONOS_SUPPORT_FLOAT
+/*
+ * Float type
+ */
+typedef          float         khronos_float_t;
+#endif
+
+#if KHRONOS_SUPPORT_INT64
+/* Time types
+ *
+ * These types can be used to represent a time interval in nanoseconds or
+ * an absolute Unadjusted System Time.  Unadjusted System Time is the number
+ * of nanoseconds since some arbitrary system event (e.g. since the last
+ * time the system booted).  The Unadjusted System Time is an unsigned
+ * 64 bit value that wraps back to 0 every 584 years.  Time intervals
+ * may be either signed or unsigned.
+ */
+typedef khronos_uint64_t       khronos_utime_nanoseconds_t;
+typedef khronos_int64_t        khronos_stime_nanoseconds_t;
+#endif
+
+/*
+ * Dummy value used to pad enum types to 32 bits.
+ */
+#ifndef KHRONOS_MAX_ENUM
+#define KHRONOS_MAX_ENUM 0x7FFFFFFF
+#endif
+
+/*
+ * Enumerated boolean type
+ *
+ * Values other than zero should be considered to be true.  Therefore
+ * comparisons should not be made against KHRONOS_TRUE.
+ */
+typedef enum {
+    KHRONOS_FALSE = 0,
+    KHRONOS_TRUE  = 1,
+    KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM
+} khronos_boolean_enum_t;
+
+#endif /* __khrplatform_h_ */

engine/include/fishbone/base.h

@@ -0,0 +1,25 @@
+#ifndef __FISHBONE_BASE_H__
+#define __FISHBONE_BASE_H__
+
+#include <fishbone/pre.h>
+
+namespace fishbone {
+	class Base;
+};
+
+#include <fishbone/log.h>
+#include <fishbone/file.h>
+
+namespace fishbone {
+	class Base : public fishbone::Logger {
+		fishbone::StringArrayMap mountpoints;
+
+	    public:
+		Base(fishbone::StringArrayMap param);
+
+		void		mount(std::string name, std::string path);
+		fishbone::File* open(std::string path, std::string mode);
+	};
+}; // namespace fishbone
+
+#endif

engine/include/fishbone/client.h

@@ -1,17 +1,30 @@
 #ifndef __FISHBONE_CLIENT_H__
 #define __FISHBONE_CLIENT_H__
 
+#include <fishbone/pre.h>
+
 namespace fishbone {
 	class Client;
 };
 
-#include <fishbone/machdep.h>
 #include <fishbone/sound.h>
+#include <fishbone/window.h>
+#include <fishbone/mixer.h>
+#include <fishbone/draw.h>
+#include <fishbone/base.h>
 
 namespace fishbone {
-	class Client {
+	class Client : public fishbone::Base {
 	    public:
-		fishbone::SoundDriver sound;
+		Client(fishbone::StringArrayMap param);
+		~Client();
+
+		bool step();
+
+		fishbone::Window*      window;
+		fishbone::SoundDriver* sounddrv;
+		fishbone::Mixer*       mixer;
+		fishbone::Renderer*    renderer;
 	};
 }; // namespace fishbone
 

engine/include/fishbone/draw.h

@@ -0,0 +1,95 @@
+#ifndef __FISHBOWL_DRAW_H__
+#define __FISHBOWL_DRAW_H__
+
+#include <fishbone/pre.h>
+
+namespace fishbone {
+	class Texture;
+	class Mesh;
+	class Renderer;
+}; // namespace fishbone
+
+#include <fishbone/window.h>
+#include <fishbone/meshldr.h>
+#include <fishbone/textureldr.h>
+#include <fishbone/math.h>
+
+namespace fishbone {
+	class Texture {
+		void init(fishbone::Renderer* renderer, unsigned char* rgba, int width, int height);
+
+		struct Impl;
+		Impl* impl;
+
+	    public:
+		Texture(fishbone::Renderer* renderer, unsigned char* rgba, int width, int height) {
+			this->init(renderer, rgba, width, height);
+		}
+		Texture(fishbone::Renderer* renderer, fishbone::TextureData* data) {
+			this->init(renderer, data->rgba, data->width, data->height);
+		}
+		~Texture();
+
+		void begin();
+		void end();
+	};
+
+	class Mesh {
+		void init(fishbone::Renderer* renderer, std::vector<struct fishbone::Vector3> vertices, std::vector<struct fishbone::Vector2> texcoords, std::vector<struct fishbone::Vector3> normals);
+
+		struct Impl;
+		Impl* impl;
+
+	    public:
+		Mesh(fishbone::Renderer* renderer, std::vector<struct fishbone::Vector3> vertices, std::vector<struct fishbone::Vector2> texcoords, std::vector<struct fishbone::Vector3> normals) {
+			this->init(renderer, vertices, texcoords, normals);
+		}
+		Mesh(fishbone::Renderer* renderer, fishbone::MeshData* data) {
+			this->init(renderer, data->vertices, data->texcoords, data->normals);
+		}
+		~Mesh();
+
+		void draw();
+		void draw(struct fishbone::Vector3 pos);
+		void draw(struct fishbone::Vector3 pos, struct fishbone::Vector3 rot);
+
+		fishbone::Texture* texture;
+	};
+
+	class Renderer {
+		struct Impl;
+		Impl* impl;
+
+	    public:
+		Renderer(fishbone::Window* window);
+		~Renderer();
+
+		void prepare();
+		void quad(std::vector<struct fishbone::Vector3> vertices, std::vector<struct fishbone::Vector2> texcoords, std::vector<struct fishbone::Vector3> normals) {
+			std::vector<struct fishbone::Vector3> v;
+			std::vector<struct fishbone::Vector2> t;
+			std::vector<struct fishbone::Vector3> n;
+
+			v = fishbone::quadToTriangle<struct fishbone::Vector3>(vertices);
+			t = fishbone::quadToTriangle<struct fishbone::Vector2>(texcoords);
+			n = fishbone::quadToTriangle<struct fishbone::Vector3>(normals);
+
+			this->triangle(v, t, n);
+		}
+		void triangle(std::vector<struct fishbone::Vector3> vertices, std::vector<struct fishbone::Vector2> texcoords, std::vector<struct fishbone::Vector3> normals);
+		void quad(std::vector<struct fishbone::Vector2> vertices, std::vector<struct fishbone::Vector2> texcoords) {
+			std::vector<struct fishbone::Vector2> v;
+			std::vector<struct fishbone::Vector2> t;
+
+			v = fishbone::quadToTriangle<struct fishbone::Vector2>(vertices);
+			t = fishbone::quadToTriangle<struct fishbone::Vector2>(texcoords);
+
+			this->triangle(v, t);
+		}
+		void triangle(std::vector<struct fishbone::Vector2> vertices, std::vector<struct fishbone::Vector2> texcoords);
+	};
+
+	static float maxDistance = 64;
+}; // namespace fishbone
+
+#endif

engine/include/fishbone/file.h

@@ -1,26 +1,30 @@
 #ifndef __FISHBONE_FILE_H__
 #define __FISHBONE_FILE_H__
 
+#include <fishbone/pre.h>
+
 namespace fishbone {
 	class File;
 };
 
-#include <fishbone/machdep.h>
+/* no includes */
 
 namespace fishbone {
 	class File {
 		std::ifstream ifs;
 		std::ofstream ofs;
+		bool	      opened;
 
 	    public:
+		File();
 		File(std::string path, std::string type);
 		~File();
 
-		size_t read(void* buffer, size_t size);
-		size_t write(const void* buffer, size_t size);
+		virtual size_t read(void* buffer, size_t size);
+		virtual size_t write(const void* buffer, size_t size);
+		bool	       good();
 
 		size_t size;
-		bool   good;
 	};
 }; // namespace fishbone
 

engine/include/fishbone/filesystem.h

@@ -0,0 +1,16 @@
+#ifndef __FISHBONE_FILESYSTEM_H__
+#define __FISHBONE_FILESYSTEM_H__
+
+#include <fishbone/pre.h>
+
+namespace fishbone {
+	bool exists(std::string path);
+};
+
+/* no includes */
+
+namespace fishbone {
+	bool exists(std::string path);
+};
+
+#endif

engine/include/fishbone/foundation.h

@@ -6,5 +6,15 @@
 #include <fishbone/mixer.h>
 #include <fishbone/thread.h>
 #include <fishbone/file.h>
+#include <fishbone/window.h>
+#include <fishbone/resource.h>
+#include <fishbone/draw.h>
+#include <fishbone/time.h>
+#include <fishbone/base.h>
+#include <fishbone/meshldr.h>
+#include <fishbone/log.h>
+#include <fishbone/math.h>
+#include <fishbone/textureldr.h>
+#include <fishbone/filesystem.h>
 
 #endif

engine/include/fishbone/log.h

@@ -0,0 +1,35 @@
+#ifndef __FISHBONE_LOG_H__
+#define __FISHBONE_LOG_H__
+
+#include <fishbone/pre.h>
+
+namespace fishbone {
+	class Logger;
+};
+
+/* no includes */
+
+namespace fishbone {
+	class Logger {
+		enum LoggerLevel {
+			Log = 0,
+			Info,
+			Warn,
+			Error
+		};
+
+		void init(std::string path);
+
+		std::ofstream ofs;
+
+	    public:
+		Logger();
+		Logger(std::string path);
+		~Logger();
+
+		void log(std::string arg);
+		void log(int level, std::string arg);
+	};
+}; // namespace fishbone
+
+#endif

engine/include/fishbone/machdep.h

@@ -4,10 +4,14 @@
 #include <vector>
 #include <string>
 #include <fstream>
+#include <chrono>
+#include <unordered_map>
+#include <functional>
 
 #include <cstdio>
 #include <cstring>
 #include <cmath>
+#include <cstdlib>
 
 #include <fishbone/config.h>
 
@@ -17,11 +21,21 @@
 #endif
 
 #define STB_VORBIS_HEADER_ONLY
-#include <xmp.h>
+#include <ode/ode.h>
+
+#include <stb_image.h>
+
+#include <glad/glad.h>
+
+#include <stb_vorbis.c>
 #include <dr_mp3.h>
 #include <dr_wav.h>
 #include <dr_flac.h>
-#include <stb_vorbis.c>
+#include <xmp.h>
+
+#include <lz4.h>
+
+#include <enet/enet.h>
 #endif
 
 #endif

engine/include/fishbone/math.h

@@ -0,0 +1,41 @@
+#ifndef __FISHBONE_MATH_H__
+#define __FISHBONE_MATH_H__
+
+#include <fishbone/pre.h>
+
+namespace fishbone {
+	float cot(float x);
+	template <typename T>
+	std::vector<T> quadToTriangle(std::vector<T> v);
+}; // namespace fishbone
+
+/* no includes */
+
+namespace fishbone {
+	float cot(float x);
+	template <typename T>
+	std::vector<T> quadToTriangle(std::vector<T> v) {
+		std::vector<T> r;
+
+		/**
+		 * 1-4
+		 * |\|
+		 * 2-3
+		 */
+		for(int i = 0; i < v.size(); i += 4) {
+			r.push_back(v[i + 0]);
+			r.push_back(v[i + 1]);
+			r.push_back(v[i + 2]);
+
+			r.push_back(v[i + 2]);
+			r.push_back(v[i + 3]);
+			r.push_back(v[i + 0]);
+		}
+
+		return r;
+	}
+
+	static double pi = 3.14159265358979323846;
+}; // namespace fishbone
+
+#endif

engine/include/fishbone/meshldr.h

@@ -0,0 +1,25 @@
+#ifndef __FISHBONE_MESHLDR_H__
+#define __FISHBONE_MESHLDR_H__
+
+#include <fishbone/pre.h>
+
+namespace fishbone {
+	class MeshData;
+};
+
+#include <fishbone/file.h>
+
+namespace fishbone {
+	class MeshData {
+	    public:
+		MeshData(fishbone::File* file);
+
+		bool good();
+
+		std::vector<struct fishbone::Vector3> vertices;
+		std::vector<struct fishbone::Vector2> texcoords;
+		std::vector<struct fishbone::Vector3> normals;
+	};
+}; // namespace fishbone
+
+#endif

engine/include/fishbone/mixer.h

@@ -1,11 +1,12 @@
 #ifndef __FISHBONE_MIXER_H__
 #define __FISHBONE_MIXER_H__
 
+#include <fishbone/pre.h>
+
 namespace fishbone {
 	class Mixer;
 };
 
-#include <fishbone/machdep.h>
 #include <fishbone/sound.h>
 #include <fishbone/thread.h>
 
@@ -22,10 +23,10 @@ namespace fishbone {
 		void		 lock();
 		void		 unlock();
 
-		static const int		    rate = 44100;
 		std::vector<fishbone::SoundLoader*> loaders;
 		std::vector<fishbone::Sound*>	    sounds;
 		float				    position[3];
+		static const int		    rate = 44100;
 	};
 }; // namespace fishbone
 

engine/include/fishbone/pre.h

@@ -0,0 +1,7 @@
+#ifndef __FISHBONE_PRE_H__
+#define __FISHBONE_PRE_H__
+
+#include <fishbone/machdep.h>
+#include <fishbone/types.h>
+
+#endif

engine/include/fishbone/resource.h

@@ -0,0 +1,22 @@
+#ifndef __FISHBONE_THREAD_H__
+#define __FISHBONE_THREAD_H__
+
+#include <fishbone/pre.h>
+
+namespace fishbone {
+	class Resource;
+}; // namespace fishbone
+
+#include <fishbone/file.h>
+
+namespace fishbone {
+	class Resource {
+	    public:
+		Resource(std::string path);
+		~Resource();
+
+		fishbone::File* open(std::string path);
+	};
+}; // namespace fishbone
+
+#endif

engine/include/fishbone/sound.h

@@ -1,6 +1,8 @@
 #ifndef __FISHBONE_SOUND_H__
 #define __FISHBONE_SOUND_H__
 
+#include <fishbone/pre.h>
+
 #define FB_SOUND_DECL(prefix) \
 	class prefix##SoundLoader; \
 	class prefix##Sound
@@ -37,7 +39,6 @@ namespace fishbone {
 #undef LOADER
 }; // namespace fishbone
 
-#include <fishbone/machdep.h>
 #include <fishbone/mixer.h>
 
 namespace fishbone {
@@ -54,12 +55,16 @@ namespace fishbone {
 
 	class SoundLoader {
 	    public:
-		SoundLoader();
-		~SoundLoader();
+		SoundLoader() {};
+		~SoundLoader() {};
 
-		virtual Sound* open(Mixer* mixer, void* buffer, size_t size);
-		virtual int    read(Sound* sound, short* buffer, size_t frames);
-		virtual void   seek(Sound* sound, size_t pos);
+		virtual Sound* open(Mixer* mixer, void* buffer, size_t size) {
+			return nullptr;
+		};
+		virtual int read(Sound* sound, short* buffer, size_t frames) {
+			return 0;
+		};
+		virtual void seek(Sound* sound, size_t pos) {};
 	};
 
 	class Sound {

engine/include/fishbone/textureldr.h

@@ -0,0 +1,26 @@
+#ifndef __FISHBONE_TEXLDR_H__
+#define __FISHBONE_TEXLDR_H__
+
+#include <fishbone/pre.h>
+
+namespace fishbone {
+	class TextureData;
+};
+
+#include <fishbone/file.h>
+
+namespace fishbone {
+	class TextureData {
+	    public:
+		TextureData(fishbone::File* file);
+		~TextureData();
+
+		bool good();
+
+		unsigned char* rgba;
+		int	       width;
+		int	       height;
+	};
+}; // namespace fishbone
+
+#endif

engine/include/fishbone/thread.h

@@ -1,12 +1,14 @@
 #ifndef __FISHBONE_THREAD_H__
 #define __FISHBONE_THREAD_H__
 
+#include <fishbone/pre.h>
+
 namespace fishbone {
 	class Thread;
 	class Mutex;
 }; // namespace fishbone
 
-#include <fishbone/machdep.h>
+/* no includes */
 
 namespace fishbone {
 	class Thread {
@@ -14,7 +16,11 @@ namespace fishbone {
 		Impl* impl;
 
 	    public:
-		Thread(void (*call)(fishbone::Thread* thread, void* arg), void* arg);
+		using Callable	     = void (*)(fishbone::Thread* thread, void* arg);
+		using CallableLambda = std::function<void(fishbone::Thread* thread)>;
+
+		Thread(Callable call, void* arg);
+		Thread(CallableLambda call);
 		~Thread();
 
 		void join();

engine/include/fishbone/time.h

@@ -0,0 +1,18 @@
+#ifndef __FISHBONE_TIME_H__
+#define __FISHBONE_TIME_H__
+
+#include <fishbone/pre.h>
+
+namespace fishbone {
+	using AccurateClock = std::chrono::time_point<std::chrono::high_resolution_clock, std::chrono::high_resolution_clock::duration>;
+
+	fishbone::AccurateClock accurateTime();
+}; // namespace fishbone
+
+/* no includes */
+
+namespace fishbone {
+	fishbone::AccurateClock accurateTime();
+};
+
+#endif

engine/include/fishbone/types.h

@@ -0,0 +1,44 @@
+#ifndef __FISHBOWL_TYPES_H__
+#define __FISHBOWL_TYPES_H__
+
+#include <fishbone/pre.h>
+
+namespace fishbone {
+	struct Vector2 {
+		struct fishbone::Vector2 operator+(struct fishbone::Vector2 v) const;
+		struct fishbone::Vector2 operator-(struct fishbone::Vector2 v) const;
+
+		float			 length();
+		struct fishbone::Vector2 normalize();
+
+		float x;
+		float y;
+	};
+
+	struct Vector3 {
+		struct fishbone::Vector3 operator+(struct fishbone::Vector3 v) const;
+		struct fishbone::Vector3 operator-(struct fishbone::Vector3 v) const;
+		struct fishbone::Vector3 operator*(struct fishbone::Vector3 v) const;
+
+		float			 length();
+		struct fishbone::Vector3 normalize();
+
+		float x;
+		float y;
+		float z;
+	};
+
+	struct Quaternion {
+		struct fishbone::Quaternion operator+(struct fishbone::Quaternion q) const;
+		struct fishbone::Quaternion operator-(struct fishbone::Quaternion q) const;
+
+		float w;
+		float x;
+		float y;
+		float z;
+	};
+
+	using StringArrayMap = std::unordered_map<std::string, std::vector<std::string>>;
+}; // namespace fishbone
+
+#endif

engine/include/fishbone/window.h

@@ -0,0 +1,27 @@
+#ifndef __FISHBONE_WINDOW_H__
+#define __FISHBONE_WINDOW_H__
+
+namespace fishbone {
+	class Window;
+}; // namespace fishbone
+
+#include <fishbone/pre.h>
+
+namespace fishbone {
+	class Window {
+		struct Impl;
+		Impl* impl;
+
+	    public:
+		Window(std::string title, int width, int height);
+		~Window();
+
+		void poll();
+		void swapBuffer();
+
+		int width;
+		int height;
+	};
+}; // namespace fishbone
+
+#endif

engine/src/base.cc

@@ -0,0 +1,52 @@
+#include <fishbone/foundation.h>
+
+fishbone::Base::Base(fishbone::StringArrayMap param) {
+	for(auto i = param.begin(); i != param.end(); i++) {
+		if(i->first == "basedir") {
+			for(int j = 0; j < i->second.size(); j++) {
+				this->mount("base", i->second[j]);
+			}
+		}
+	}
+}
+
+void fishbone::Base::mount(std::string name, std::string path) {
+	if(this->mountpoints.find(name) == this->mountpoints.end()) this->mountpoints[name] = {};
+
+	this->mountpoints[name].push_back(path);
+}
+
+fishbone::File* fishbone::Base::open(std::string path, std::string mode) {
+	fishbone::File* f = nullptr;
+
+	for(int i = 0; i < path.size() - 1; i++) {
+		if(path.substr(i, 2) == ":/") {
+			std::string p = path.substr(i + 1);
+			std::string k = path.substr(0, i);
+
+			if(this->mountpoints.find(k) != this->mountpoints.end()) {
+				for(int j = 0; j < this->mountpoints[k].size(); j++) {
+					f = new fishbone::File(this->mountpoints[k][j] + p, mode);
+
+					if(!f->good()) {
+						delete f;
+						f = nullptr;
+					}
+
+					if(f != nullptr && f->good()) break;
+				}
+			}
+
+			break;
+		}
+	}
+
+	if(f == nullptr) f = new fishbone::File(path, mode);
+
+	if(f != nullptr && !f->good()) {
+		delete f;
+		f = nullptr;
+	}
+
+	return f;
+}

engine/src/client.cc

@@ -1 +1,48 @@
-#include <fishbone/client.h>
+#include <fishbone/foundation.h>
+
+fishbone::File* f;
+fishbone::Mesh* m;
+
+fishbone::Client::Client(fishbone::StringArrayMap param)
+    : fishbone::Base::Base(param) {
+	this->window   = new fishbone::Window("Fishbone", 800, 600);
+	this->sounddrv = new fishbone::SoundDriver();
+	this->mixer    = &this->sounddrv->mixer;
+	this->renderer = new fishbone::Renderer(this->window);
+
+	fishbone::MeshData*    md;
+	fishbone::TextureData* td;
+
+	f  = this->open("base:/model.obj", "r");
+	md = new fishbone::MeshData(f);
+	delete f;
+
+	f  = this->open("base:/model.png", "r");
+	td = new fishbone::TextureData(f);
+	delete f;
+
+	m	   = new fishbone::Mesh(this->renderer, md);
+	m->texture = new fishbone::Texture(this->renderer, td);
+
+	delete md;
+	delete td;
+}
+
+fishbone::Client::~Client() {
+	delete this->renderer;
+	delete this->sounddrv;
+	delete this->window;
+}
+
+float r = 0;
+
+bool fishbone::Client::step() {
+	this->renderer->prepare();
+
+	m->draw((struct fishbone::Vector3){0, 0, 0}, (struct fishbone::Vector3){r, r, r});
+	r += 30.0 / 60;
+
+	this->window->swapBuffer();
+
+	return true;
+}

engine/src/draw/opengl.cc

@@ -0,0 +1,308 @@
+#include <fishbone/config.h>
+#ifdef FISHBONE_DRAW_USE_OPENGL
+#include <fishbone/foundation.h>
+
+struct fishbone::Texture::Impl {
+	GLuint texture;
+};
+
+void fishbone::Texture::init(fishbone::Renderer* renderer, unsigned char* rgba, int width, int height) {
+	this->impl = new struct fishbone::Texture::Impl();
+
+	glGenTextures(1, &this->impl->texture);
+	glBindTexture(GL_TEXTURE_2D, this->impl->texture);
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, rgba);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	glBindTexture(GL_TEXTURE_2D, 0);
+}
+
+fishbone::Texture::~Texture() {
+	glDeleteTextures(1, &this->impl->texture);
+
+	delete this->impl;
+}
+
+void fishbone::Texture::begin() {
+	glEnable(GL_TEXTURE_2D);
+	glBindTexture(GL_TEXTURE_2D, this->impl->texture);
+}
+
+void fishbone::Texture::end() {
+	glBindTexture(GL_TEXTURE_2D, 0);
+	glDisable(GL_TEXTURE_2D);
+}
+
+struct fishbone::Mesh::Impl {
+	GLuint v_vbo;
+	GLuint t_vbo;
+	GLuint n_vbo;
+
+	GLfloat* vertices;
+	GLfloat* texcoords;
+	GLfloat* normals;
+
+	int count;
+};
+
+void fishbone::Mesh::init(fishbone::Renderer* renderer, std::vector<struct fishbone::Vector3> vertices, std::vector<struct fishbone::Vector2> texcoords, std::vector<struct fishbone::Vector3> normals) {
+	this->texture = nullptr;
+
+	this->impl	      = new struct fishbone::Mesh::Impl();
+	this->impl->vertices  = new GLfloat[vertices.size() * 3];
+	this->impl->texcoords = new GLfloat[texcoords.size() * 2];
+	this->impl->normals   = new GLfloat[normals.size() * 3];
+	this->impl->count     = vertices.size();
+
+	glGenBuffers(1, &this->impl->v_vbo);
+	glGenBuffers(1, &this->impl->t_vbo);
+	glGenBuffers(1, &this->impl->n_vbo);
+
+	for(int i = 0; i < vertices.size(); i++) {
+		this->impl->vertices[i * 3 + 0] = vertices[i].x;
+		this->impl->vertices[i * 3 + 1] = vertices[i].y;
+		this->impl->vertices[i * 3 + 2] = vertices[i].z;
+	}
+
+	for(int i = 0; i < texcoords.size(); i++) {
+		this->impl->texcoords[i * 2 + 0] = texcoords[i].x;
+		this->impl->texcoords[i * 2 + 1] = texcoords[i].y;
+	}
+
+	for(int i = 0; i < normals.size(); i++) {
+		this->impl->normals[i * 3 + 0] = normals[i].x;
+		this->impl->normals[i * 3 + 1] = normals[i].y;
+		this->impl->normals[i * 3 + 2] = normals[i].z;
+	}
+
+	glBindBuffer(GL_ARRAY_BUFFER, this->impl->v_vbo);
+	glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(float) * 3, this->impl->vertices, GL_STATIC_DRAW);
+
+	glBindBuffer(GL_ARRAY_BUFFER, this->impl->t_vbo);
+	glBufferData(GL_ARRAY_BUFFER, texcoords.size() * sizeof(float) * 2, this->impl->texcoords, GL_STATIC_DRAW);
+
+	glBindBuffer(GL_ARRAY_BUFFER, this->impl->n_vbo);
+	glBufferData(GL_ARRAY_BUFFER, normals.size() * sizeof(float) * 3, this->impl->normals, GL_STATIC_DRAW);
+
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+}
+
+fishbone::Mesh::~Mesh() {
+	glDeleteBuffers(1, &this->impl->n_vbo);
+	glDeleteBuffers(1, &this->impl->t_vbo);
+	glDeleteBuffers(1, &this->impl->v_vbo);
+
+	delete[] this->impl->normals;
+	delete[] this->impl->texcoords;
+	delete[] this->impl->vertices;
+	delete this->impl;
+}
+
+void fishbone::Mesh::draw() {
+	glEnableClientState(GL_VERTEX_ARRAY);
+	glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+	glEnableClientState(GL_NORMAL_ARRAY);
+
+	glBindBuffer(GL_ARRAY_BUFFER, this->impl->v_vbo);
+	glVertexPointer(3, GL_FLOAT, 0, nullptr);
+
+	glBindBuffer(GL_ARRAY_BUFFER, this->impl->t_vbo);
+	glTexCoordPointer(2, GL_FLOAT, 0, nullptr);
+
+	glBindBuffer(GL_ARRAY_BUFFER, this->impl->n_vbo);
+	glNormalPointer(GL_FLOAT, 0, nullptr);
+
+	glColor3f(1, 1, 1);
+	if(this->texture != nullptr) this->texture->begin();
+	glDrawArrays(GL_TRIANGLES, 0, this->impl->count);
+	if(this->texture != nullptr) this->texture->end();
+
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+
+	glDisableClientState(GL_NORMAL_ARRAY);
+	glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+	glDisableClientState(GL_VERTEX_ARRAY);
+}
+
+void fishbone::Mesh::draw(struct fishbone::Vector3 pos) {
+	this->draw(pos, {0, 0, 0});
+}
+
+void fishbone::Mesh::draw(struct fishbone::Vector3 pos, struct fishbone::Vector3 rot) {
+	glPushMatrix();
+	glTranslatef(pos.x, pos.y, pos.z);
+	glRotatef(rot.x, 1, 0, 0);
+	glRotatef(rot.y, 0, 1, 0);
+	glRotatef(rot.z, 0, 0, 1);
+
+	this->draw();
+
+	glPopMatrix();
+}
+
+struct fishbone::Renderer::Impl {
+	fishbone::Window* window;
+};
+
+static void cameraPerspective(float width, float height) {
+	float	 aspect;
+	float	 f;
+	GLdouble matrix[16];
+	float	 fovy  = 60.0;
+	float	 znear = 0.01;
+	float	 zfar  = fishbone::maxDistance;
+
+	aspect = width / height;
+	f      = fishbone::cot(fovy / 180 * fishbone::pi / 2);
+
+	for(int i = 0; i < 16; i++) matrix[i] = 0;
+	matrix[4 * 0 + 0] = f / aspect;
+	matrix[4 * 1 + 1] = f;
+	matrix[4 * 2 + 2] = (zfar + znear) / (znear - zfar);
+	matrix[4 * 3 + 2] = ((GLdouble)2 * zfar * znear) / (znear - zfar);
+	matrix[4 * 2 + 3] = -1;
+
+	glMultMatrixd(matrix);
+}
+
+static void lookAt(fishbone::Vector3 camera, fishbone::Vector3 look_at) {
+	GLdouble	  matrix[16];
+	fishbone::Vector3 f;
+	fishbone::Vector3 up;
+	fishbone::Vector3 s;
+	fishbone::Vector3 u;
+
+	f = (look_at - camera).normalize();
+
+	up.x = 0;
+	up.y = 1;
+	up.z = 0;
+	up   = up.normalize();
+
+	s = (f * up).normalize();
+
+	u = s * f;
+
+	for(int i = 0; i < 16; i++) matrix[i] = 0;
+	matrix[4 * 0 + 0] = s.x;
+	matrix[4 * 1 + 0] = s.y;
+	matrix[4 * 2 + 0] = s.z;
+	matrix[4 * 0 + 1] = u.x;
+	matrix[4 * 1 + 1] = u.y;
+	matrix[4 * 2 + 1] = u.z;
+	matrix[4 * 0 + 2] = -f.x;
+	matrix[4 * 1 + 2] = -f.y;
+	matrix[4 * 2 + 2] = -f.z;
+	matrix[4 * 3 + 3] = 1;
+
+	glMultMatrixd(matrix);
+	glTranslated(-camera.x, -camera.y, -camera.z);
+}
+
+fishbone::Renderer::Renderer(fishbone::Window* window) {
+	glEnable(GL_DEPTH_TEST);
+	glEnable(GL_NORMALIZE);
+	glEnable(GL_BLEND);
+	glEnable(GL_COLOR_MATERIAL);
+	glEnable(GL_CULL_FACE);
+	glEnable(GL_LIGHTING);
+	glEnable(GL_LIGHT0);
+
+	glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
+
+	glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+	glLightfv(GL_LIGHT0, GL_POSITION, (GLfloat[]){0, -1, 0, 1});
+
+	this->impl	   = new struct fishbone::Renderer::Impl();
+	this->impl->window = window;
+}
+
+fishbone::Renderer::~Renderer() {
+	delete this->impl;
+}
+
+void fishbone::Renderer::prepare() {
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	cameraPerspective(this->impl->window->width, this->impl->window->height);
+
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+	lookAt({4, 4, 4}, {0, 0, 0});
+}
+
+void fishbone::Renderer::triangle(std::vector<struct fishbone::Vector3> vertices, std::vector<struct fishbone::Vector2> texcoords, std::vector<struct fishbone::Vector3> normals) {
+	GLfloat* v = new GLfloat[vertices.size() * 3];
+	GLfloat* t = new GLfloat[texcoords.size() * 2];
+	GLfloat* n = new GLfloat[normals.size() * 3];
+
+	for(int i = 0; i < vertices.size(); i++) {
+		v[i * 3 + 0] = vertices[i].x;
+		v[i * 3 + 1] = vertices[i].y;
+		v[i * 3 + 2] = vertices[i].z;
+	}
+
+	for(int i = 0; i < texcoords.size(); i++) {
+		t[i * 2 + 0] = texcoords[i].x;
+		t[i * 2 + 1] = texcoords[i].y;
+	}
+
+	for(int i = 0; i < normals.size(); i++) {
+		n[i * 3 + 0] = normals[i].x;
+		n[i * 3 + 1] = normals[i].y;
+		n[i * 3 + 2] = normals[i].z;
+	}
+
+	glEnableClientState(GL_VERTEX_ARRAY);
+	glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+	glEnableClientState(GL_NORMAL_ARRAY);
+
+	glVertexPointer(3, GL_FLOAT, 0, v);
+	glTexCoordPointer(2, GL_FLOAT, 0, t);
+	glNormalPointer(GL_FLOAT, 0, n);
+
+	glDrawArrays(GL_TRIANGLES, 0, vertices.size());
+
+	glDisableClientState(GL_NORMAL_ARRAY);
+	glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+	glDisableClientState(GL_VERTEX_ARRAY);
+
+	delete[] n;
+	delete[] t;
+	delete[] v;
+}
+
+void fishbone::Renderer::triangle(std::vector<struct fishbone::Vector2> vertices, std::vector<struct fishbone::Vector2> texcoords) {
+	GLfloat* v = new GLfloat[vertices.size() * 2];
+	GLfloat* t = new GLfloat[texcoords.size() * 2];
+
+	for(int i = 0; i < vertices.size(); i++) {
+		v[i * 2 + 0] = vertices[i].x;
+		v[i * 2 + 1] = vertices[i].y;
+	}
+
+	for(int i = 0; i < texcoords.size(); i++) {
+		t[i * 2 + 0] = texcoords[i].x;
+		t[i * 2 + 1] = texcoords[i].y;
+	}
+
+	glEnableClientState(GL_VERTEX_ARRAY);
+	glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
+	glVertexPointer(2, GL_FLOAT, 0, v);
+	glTexCoordPointer(2, GL_FLOAT, 0, t);
+
+	glDrawArrays(GL_TRIANGLES, 0, vertices.size());
+
+	glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+	glDisableClientState(GL_VERTEX_ARRAY);
+
+	delete[] t;
+	delete[] v;
+}
+#endif

engine/src/file.cc

@@ -1,8 +1,12 @@
 #include <fishbone/file.h>
 
-fishbone::File::File(std::string path, std::string type) {
-	this->good = false;
+fishbone::File::File() {
 	this->size = 0;
+}
+
+fishbone::File::File(std::string path, std::string type) {
+	this->size   = 0;
+	this->opened = false;
 
 	if(type == "r") {
 		this->ifs = std::ifstream(path, std::ios::binary);
@@ -20,10 +24,12 @@ fishbone::File::File(std::string path, std::string type) {
 		return;
 	}
 
-	this->good = true;
+	this->opened = true;
 }
 
 fishbone::File::~File() {
+	this->ifs.close();
+	this->ofs.close();
 }
 
 size_t fishbone::File::read(void* buffer, size_t size) {
@@ -41,3 +47,8 @@ size_t fishbone::File::write(const void* buffer, size_t size) {
 
 	return size;
 }
+
+bool fishbone::File::good() {
+	if(this->opened) return true;
+	return false;
+}

engine/src/filesystem.cc

@@ -0,0 +1,11 @@
+#include <fishbone/foundation.h>
+
+#include <sys/stat.h>
+
+bool fishbone::exists(std::string path) {
+	struct stat s;
+
+	if(stat(path.c_str(), &s) == 0) return true;
+
+	return false;
+}

engine/src/log.cc

@@ -0,0 +1,25 @@
+#include <fishbone/foundation.h>
+
+void fishbone::Logger::init(std::string path) {
+	this->ofs = std::ofstream(path, std::ios_base::app);
+}
+
+fishbone::Logger::Logger() {
+	this->init("log.txt");
+}
+
+fishbone::Logger::Logger(std::string path) {
+	this->init(path);
+}
+
+fishbone::Logger::~Logger() {
+	this->ofs.close();
+}
+
+void fishbone::Logger::log(std::string arg) {
+	this->log(fishbone::Logger::Info, arg);
+}
+
+void fishbone::Logger::log(int level, std::string arg) {
+	this->ofs << "" + arg << std::endl;
+}

engine/src/math.cc

@@ -0,0 +1,5 @@
+#include <fishbone/foundation.h>
+
+float fishbone::cot(float x) {
+	return 1.0 / tan(x);
+}

engine/src/meshldr.cc

@@ -0,0 +1,128 @@
+#include <fishbone/foundation.h>
+
+static std::vector<int> parseFace(std::string s) {
+	std::vector<int> v;
+	std::string	 n = "";
+
+	for(int i = 0; i < s.size(); i++) {
+		if(s[i] == '/') {
+			v.push_back(std::stoi(n));
+			n = "";
+		} else {
+			n += s[i];
+		}
+	}
+	if(n.size() > 0) v.push_back(std::stoi(n));
+
+	return v;
+}
+
+fishbone::MeshData::MeshData(fishbone::File* f) {
+	char				      c;
+	std::string			      l = "";
+	std::vector<struct fishbone::Vector3> v;
+	std::vector<struct fishbone::Vector2> vt;
+	std::vector<struct fishbone::Vector3> vn;
+	fishbone::Vector2		      e2 = {0, 0};
+	fishbone::Vector3		      e3 = {0, 0, 0};
+	float				      lm = 0; /* leftmost */
+	float				      rm = 0; /* rightmost */
+	float				      um = 0; /* upmost */
+	float				      dm = 0; /* downmost */
+	float				      fm = 0; /* frontmost */
+	float				      bm = 0; /* backmost */
+
+	while(f->read(&c, 1) == 1) {
+		if(c == '\n') {
+			if(l.size() == 0) {
+			} else if(l[0] == '#') {
+			} else {
+				std::vector<std::string> vs;
+				std::string		 n = "";
+
+				for(int i = 0; i < l.size(); i++) {
+					if(l[i] == ' ') {
+						vs.push_back(n);
+						n = "";
+					} else {
+						n += l[i];
+					}
+				}
+				if(n.size() > 0) vs.push_back(n);
+
+				if(vs[0] == "v") {
+					fishbone::Vector3 nv = {std::stof(vs[1]), std::stof(vs[2]), std::stof(vs[3])};
+
+					if(lm > nv.x) lm = nv.x;
+					if(rm < nv.x) rm = nv.x;
+
+					if(dm > nv.y) dm = nv.y;
+					if(um < nv.y) um = nv.y;
+
+					if(fm > nv.z) fm = nv.z;
+					if(bm < nv.z) bm = nv.z;
+
+					v.push_back(nv);
+				} else if(vs[0] == "vt") {
+					fishbone::Vector2 nv = {std::stof(vs[1]), 1 - std::stof(vs[2])};
+
+					vt.push_back(nv);
+				} else if(vs[0] == "vn") {
+					fishbone::Vector3 nv = {std::stof(vs[1]), std::stof(vs[2]), std::stof(vs[3])};
+
+					vn.push_back(nv);
+				} else if(vs[0] == "f") {
+					float			 sc = 0;
+					float			 lr = fabs(lm - rm);
+					float			 ud = fabs(um - dm);
+					float			 bf = fabs(fm - bm);
+					std::vector<int>	 ind;
+					struct fishbone::Vector3 v3;
+
+					if(sc < lr) sc = lr;
+					if(sc < ud) sc = ud;
+					if(sc < bf) sc = bf;
+
+					sc /= 2;
+
+#define PUSH(i) \
+	ind = parseFace(vs[i]); \
+	v3  = v[ind[0] - 1]; \
+\
+	v3.x /= sc; \
+	v3.y /= sc; \
+	v3.z /= sc; \
+\
+	this->vertices.push_back(v3); \
+	this->texcoords.push_back(ind.size() >= 2 ? vt[ind[1] - 1] : e2); \
+	this->normals.push_back(ind.size() >= 3 ? vn[ind[2] - 1] : e3);
+
+					for(int i = 1; i < 4; i++) {
+						PUSH(i);
+					}
+
+					/* If it's quad...
+					 * 1-4
+					 * |\|
+					 * 2-3
+					 */
+					if(vs.size() == 5) {
+						PUSH(3);
+						PUSH(4);
+						PUSH(1);
+					}
+				}
+			}
+			l = "";
+		} else if(c != '\r') {
+			l += c;
+		}
+	}
+}
+
+bool fishbone::MeshData::good() {
+	if(this->vertices.size() == 0) return false;
+	if(this->texcoords.size() == 0) return false;
+	if(this->normals.size() == 0) return false;
+	return true;
+}

engine/src/mixer.cc

@@ -42,7 +42,7 @@ void fishbone::Mixer::read(short* buffer, size_t frames) {
 			float angle, v;
 			float d;
 			float lf, rf;
-			
+
 			for(int j = 0; j < 3; j++) r[j] = this->position[i] - this->sounds[i]->position[j];
 
 			angle = atan2(r[2], r[0]);
@@ -83,7 +83,7 @@ void fishbone::Mixer::read(short* buffer, size_t frames) {
 				r = req[(j * this->sounds[i]->rate / fishbone::Mixer::rate) * 2 + 1];
 			}
 
-			if(this->sounds[i]->is3d){
+			if(this->sounds[i]->is3d) {
 				l = (l + r) / 2;
 				r = l;
 			}
@@ -106,7 +106,7 @@ fishbone::Sound* fishbone::Mixer::open(const char* path) {
 	unsigned char*	 buffer;
 	fishbone::Sound* snd;
 
-	if(!f.good) return nullptr;
+	if(!f.good()) return nullptr;
 
 	buffer = new unsigned char[f.size];
 

engine/src/physics.cc

@@ -0,0 +1 @@
+#include <fishbone/foundation.h>

engine/src/sound.cc

@@ -1,22 +1,5 @@
 #include <fishbone/foundation.h>
 
-fishbone::SoundLoader::SoundLoader() {
-}
-
-fishbone::SoundLoader::~SoundLoader() {
-}
-
-fishbone::Sound* fishbone::SoundLoader::open(fishbone::Mixer* mixer, void* buffer, size_t size) {
-	return nullptr;
-}
-
-int fishbone::SoundLoader::read(fishbone::Sound* sound, short* buffer, size_t frames) {
-	return 0;
-}
-
-void fishbone::SoundLoader::seek(fishbone::Sound* sound, size_t pos) {
-}
-
 fishbone::Sound::Sound(fishbone::Mixer* mixer, fishbone::SoundLoader* loader, struct fishbone::Sound::Impl* impl) {
 	this->mixer  = mixer;
 	this->loader = loader;

engine/src/textureldr.cc

@@ -0,0 +1,23 @@
+#include <fishbone/foundation.h>
+
+#include <iostream>
+
+fishbone::TextureData::TextureData(fishbone::File* f) {
+	unsigned char* buf = new unsigned char[f->size];
+	int	       ch;
+
+	f->read(buf, f->size);
+
+	this->rgba = stbi_load_from_memory(buf, f->size, &this->width, &this->height, &ch, 4);
+
+	delete[] buf;
+}
+
+fishbone::TextureData::~TextureData() {
+	if(this->rgba != nullptr) free(this->rgba);
+}
+
+bool fishbone::TextureData::good() {
+	if(this->rgba == nullptr) return false;
+	return true;
+}

engine/src/thread/sdl2.cc

@@ -3,9 +3,14 @@
 #include <fishbone/foundation.h>
 
 struct call_arg {
-	void (*call)(fishbone::Thread* thread, void* arg);
-	fishbone::Thread* thread;
-	void*		  arg;
+	fishbone::Thread::Callable call;
+	fishbone::Thread*	   thread;
+	void*			   arg;
+};
+
+struct call_arg2 {
+	fishbone::Thread::CallableLambda call;
+	fishbone::Thread*		 thread;
 };
 
 static int SDLCALL thread_call(void* data) {
@@ -18,11 +23,21 @@ static int SDLCALL thread_call(void* data) {
 	return 0;
 }
 
+static int SDLCALL thread_call2(void* data) {
+	struct call_arg2* arg = (struct call_arg2*)data;
+
+	arg->call(arg->thread);
+
+	delete arg;
+
+	return 0;
+}
+
 struct fishbone::Thread::Impl {
 	SDL_Thread* thread;
 };
 
-fishbone::Thread::Thread(void (*call)(fishbone::Thread* thread, void* arg), void* arg) {
+fishbone::Thread::Thread(Callable call, void* arg) {
 	struct call_arg* data = new struct call_arg();
 
 	data->call   = call;
@@ -33,6 +48,16 @@ fishbone::Thread::Thread(void (*call)(fishbone::Thread* thread, void* arg), void
 	this->impl->thread = SDL_CreateThread(thread_call, "FBThread", data);
 }
 
+fishbone::Thread::Thread(CallableLambda call) {
+	struct call_arg2* data = new struct call_arg2();
+
+	data->call   = call;
+	data->thread = this;
+
+	this->impl	   = new fishbone::Thread::Impl();
+	this->impl->thread = SDL_CreateThread(thread_call2, "FBThread", data);
+}
+
 fishbone::Thread::~Thread() {
 	this->join();
 }

engine/src/time.cc

@@ -0,0 +1,5 @@
+#include <fishbone/foundation.h>
+
+fishbone::AccurateClock fishbone::accurateTime() {
+	return std::chrono::high_resolution_clock::now();
+}

engine/src/types.cc

@@ -0,0 +1,64 @@
+#include <fishbone/foundation.h>
+
+struct fishbone::Vector2 fishbone::Vector2::operator+(struct fishbone::Vector2 v) const {
+	return {this->x + v.x, this->y + v.y};
+}
+
+struct fishbone::Vector2 fishbone::Vector2::operator-(struct fishbone::Vector2 v) const {
+	return {this->x - v.x, this->y - v.y};
+}
+
+float fishbone::Vector2::length() {
+	return sqrt(this->x * this->x + this->y * this->y);
+}
+
+struct fishbone::Vector2 fishbone::Vector2::normalize() {
+	float l = this->length();
+
+	if(l > 0) {
+		l = 1 / l;
+	} else {
+		l = 0;
+	}
+
+	return {this->x * l, this->y * l};
+}
+
+struct fishbone::Vector3 fishbone::Vector3::operator+(struct fishbone::Vector3 v) const {
+	return {this->x + v.x, this->y + v.y, this->z + v.z};
+}
+
+struct fishbone::Vector3 fishbone::Vector3::operator-(struct fishbone::Vector3 v) const {
+	return {this->x - v.x, this->y - v.y, this->z - v.z};
+}
+
+struct fishbone::Vector3 fishbone::Vector3::operator*(struct fishbone::Vector3 v) const {
+	return {
+	    this->y * v.z - this->z * v.y,
+	    this->z * v.x - this->x * v.z,
+	    this->x * v.y - this->y * v.x};
+}
+
+float fishbone::Vector3::length() {
+	return sqrt(this->x * this->x + this->y * this->y + this->z * this->z);
+}
+
+struct fishbone::Vector3 fishbone::Vector3::normalize() {
+	float l = this->length();
+
+	if(l > 0) {
+		l = 1 / l;
+	} else {
+		l = 0;
+	}
+
+	return {this->x * l, this->y * l, this->z * l};
+}
+
+struct fishbone::Quaternion fishbone::Quaternion::operator+(struct fishbone::Quaternion q) const {
+	return {this->w + q.w, this->x + q.x, this->y + q.y, this->z + q.z};
+}
+
+struct fishbone::Quaternion fishbone::Quaternion::operator-(struct fishbone::Quaternion q) const {
+	return {this->w - q.w, this->x - q.x, this->y - q.y, this->z - q.z};
+}

engine/src/window/sdl2.cc

@@ -1,4 +1,44 @@
 #include <fishbone/config.h>
 #ifdef FISHBONE_WINDOW_USE_SDL2
 #include <fishbone/foundation.h>
+
+static bool sdl_video_init = false;
+
+struct fishbone::Window::Impl {
+	SDL_Window*   window;
+	SDL_GLContext ctx;
+};
+
+fishbone::Window::Window(std::string title, int width, int height) {
+	if(!sdl_video_init) {
+		SDL_InitSubSystem(SDL_INIT_VIDEO);
+		sdl_video_init = true;
+	}
+
+	this->impl	   = new fishbone::Window::Impl();
+	this->impl->window = SDL_CreateWindow(title.c_str(), SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, width, height, SDL_WINDOW_OPENGL);
+	this->impl->ctx	   = SDL_GL_CreateContext(this->impl->window);
+
+	gladLoadGL();
+
+	this->width  = width;
+	this->height = height;
+}
+
+fishbone::Window::~Window() {
+	SDL_GL_DeleteContext(this->impl->ctx);
+	SDL_DestroyWindow(this->impl->window);
+	delete this->impl;
+}
+
+void fishbone::Window::poll() {
+	SDL_Event ev;
+
+	while(SDL_PollEvent(&ev)) {
+	}
+}
+
+void fishbone::Window::swapBuffer() {
+	SDL_GL_SwapWindow(this->impl->window);
+}
 #endif

engine/tests/src/placeholder.cc

@@ -1 +0,0 @@
-#include <catch2/catch_test_macros.hpp>

engine/tests/src/thread.cc

@@ -0,0 +1,59 @@
+#include "fishbone/thread.h"
+#include <catch2/catch_test_macros.hpp>
+#include <cstdio>
+#include <cstdlib>
+#include <unistd.h>
+
+struct thread_arg {
+    int& a;
+};
+
+TEST_CASE("Thread") {
+    int a = 0;
+
+    fishbone::Thread th([&a](auto) {
+        for (int i = 0; i < 100; i++) {
+            a++;
+        }
+    });
+
+    th.join();
+    REQUIRE(a == 100);
+    
+    a = 0;
+
+    thread_arg arg { a };
+    fishbone::Thread th2([](auto, void* data) {
+        thread_arg& arg = *static_cast<thread_arg*>(data);
+
+        for (int i = 0; i < 100; i++) {
+            arg.a++;
+        }
+    }, &arg);
+
+    th.join();
+    REQUIRE(a == 100);
+}
+
+TEST_CASE("Mutex") {
+    for (int i = 0; i < 100; i++) {
+        int a = 0;
+        fishbone::Mutex m;
+
+        fishbone::Thread::CallableLambda func = [&a, &m](auto) {
+            m.lock();
+            for (int j = 0; j < 2; j++) {
+                int b = a;
+                usleep((60 * rand()) / RAND_MAX);
+                a = ++b;
+            }
+            m.unlock();
+        };
+
+        fishbone::Thread th1(func), th2(func);
+
+        th1.join();
+        th2.join();
+        REQUIRE(a == 4);
+    }
+}

engine/tools/CMakeLists.txt

@@ -0,0 +1,7 @@
+project(tools)
+
+include("${CMAKE_CURRENT_SOURCE_DIR}/../cmake/util.cmake")
+
+add_executable(packer packer.cc)
+
+fb_add_dep(packer lz4)

engine/tools/packer.cc

@@ -0,0 +1,240 @@
+#include <vector>
+#include <string>
+#include <fstream>
+#include <iostream>
+
+#include <cstring>
+#include <cstdio>
+
+#include <sys/stat.h>
+#include <dirent.h>
+
+#include <lz4frame.h>
+
+#define PATH_PART_LEN 32
+
+/* Resource file is in simple structure:
+ * 4 bytes: ID
+ * 2 bytes: Data size
+ * n bytes: Data
+ *
+ * Subchunks come after data, so you have to know how chunk is strcutured
+ *
+ * All numbers are in native endian
+ *
+ * DIRE chunk comes with following data:
+ *   PATH_PART_LEN bytes name
+ * and nests FILE chunks
+ *
+ * FILE chunk comes with following data:
+ *   2             bytes flag
+ *   4             bytes data location
+ *   4             bytes data size
+ *   PATH_PART_LEN bytes name
+ */
+
+struct Data {
+	unsigned int size;
+	unsigned char* data;
+};
+
+#define FILE_FLAG_RAW (1 << 0)
+
+unsigned int loc = 0;
+std::vector<struct Data> datalist;
+
+class Chunk;
+
+class Chunk {
+	void init(std::string name){
+		this->data = nullptr;
+		memset(this->id, 0, 4);
+		strcpy(this->id, name.c_str());
+		this->name = "";
+		this->fullpath = "";
+		this->keepRaw = false;
+	}
+
+public:
+	char id[4];
+	unsigned char* data;
+	unsigned int size;
+	Chunk* parent;
+	std::vector<Chunk*> subchunks;
+	std::string name;
+	std::string fullpath;
+	bool keepRaw;
+
+	Chunk(std::string name){
+		this->init(name);
+
+		this->parent = nullptr;
+	}
+
+	Chunk(Chunk* parent, std::string name){
+		this->init(name);
+
+		this->parent = parent;
+		this->parent->subchunks.push_back(this);
+	}
+
+	~Chunk(){
+		if(this->data != nullptr) delete[] this->data;
+
+		for(int i = 0; i < this->subchunks.size(); i++){
+			delete this->subchunks[i];
+		}
+	}
+
+	unsigned int totalSize(){
+		unsigned int sz = 0;
+
+		for(int i = 0; i < this->subchunks.size(); i++){
+			sz = this->subchunks[i]->totalSize();
+		}
+
+		return 4 + 4 + this->size + sz;
+	}
+
+	void write(std::ofstream* ofs){
+		unsigned int sz = 0;
+
+		if(memcmp(this->id, "FILE", 4) == 0){
+			unsigned short* flag;
+			unsigned int* location;
+			unsigned int* size;
+			char* name;
+			std::ifstream ifs(this->fullpath, std::ios::binary);
+
+			unsigned int cbound;
+			unsigned char* fdata;
+			unsigned char* cdata;
+			unsigned int fsize;
+			unsigned int csize;
+			struct Data dc;
+
+			ifs.seekg(0, std::ios_base::end);
+			fsize = ifs.tellg();
+			ifs.seekg(0, std::ios_base::beg);
+
+			fdata = new unsigned char[fsize];
+			ifs.read((char*)fdata, fsize);
+
+			if(this->keepRaw){
+				cdata = fdata;
+				csize = fsize;
+			}else{
+				cbound = LZ4F_compressFrameBound(fsize, nullptr);
+				cdata = new unsigned char[cbound];
+
+				csize = LZ4F_compressFrame(cdata, cbound, fdata, fsize, nullptr);
+
+				delete[] fdata;
+			}
+
+			this->size = 2 + 4 + 4 + PATH_PART_LEN;
+			this->data = new unsigned char[this->size];
+
+			flag = (unsigned short*)&this->data[0];
+			location = (unsigned int*)&this->data[2];
+			size = (unsigned int*)&this->data[2 + 4];
+			name = (char*)&this->data[2 + 4 + 4];
+
+			*flag = (this->keepRaw ? FILE_FLAG_RAW : 0);
+			*location = loc;
+			*size = csize;
+
+			memset(name, 0, PATH_PART_LEN);
+			memcpy(name, this->name.c_str(), this->name.size());
+
+			dc.data = cdata;
+			dc.size = csize;
+			datalist.push_back(dc);
+
+			loc += csize;
+		}else if(memcmp(this->id, "DIRE", 4) == 0){
+			char* name;
+
+			this->size = PATH_PART_LEN;
+			this->data = new unsigned char[this->size];
+
+			name = (char*)&this->data[0];
+			
+			memset(name, 0, PATH_PART_LEN);
+			memcpy(name, this->name.c_str(), this->name.size());
+		}
+		
+		sz = this->totalSize() - 4 - 4;
+
+		ofs->write((char*)this->id, 4);
+		ofs->write((char*)&sz, 4);
+		if(this->size > 0) ofs->write((char*)this->data, this->size);
+		for(int i = 0; i < this->subchunks.size(); i++){
+			this->subchunks[i]->write(ofs);
+		}
+	}
+};
+
+static void readDir(Chunk* parent, std::string dirname){
+	DIR* dir = opendir(dirname.c_str());
+	struct dirent* d;
+
+	if(dir != nullptr){
+		while((d = readdir(dir)) != nullptr){
+			struct stat s;
+			std::string dn(d->d_name);
+			std::string p = dirname + "/" + dn;
+			Chunk* c;
+			
+			if(dn == ".." || dn == ".") continue;
+
+			stat(p.c_str(), &s);
+
+			if(S_ISDIR(s.st_mode)){
+				c = new Chunk(parent, "DIRE");
+				c->name = dn;
+
+				readDir(c, p);
+			}else{
+				int pos = dn.find_last_of('.');
+				std::string ext = (pos == std::string::npos) ? "" : dn.substr(pos, dn.size() - pos);
+
+				c = new Chunk(parent, "FILE");
+				c->name = dn;
+				c->fullpath = p;
+
+				if(ext == ".png"){
+					c->keepRaw = true;
+				}
+			}
+		}
+		closedir(dir);
+	}
+}
+
+int main(int argc, char** argv){
+	Chunk* root;
+	Chunk* rootdir;
+	std::ofstream* ofs;
+
+	if(argc < 3){
+		std::cerr << "Usage: " << argv[0] << " [output] [input...]" << std::endl;
+		return 1;
+	}
+	
+	root = new Chunk("FBPK");
+
+	rootdir = new Chunk(root, "DIRE");
+	rootdir->name = "";
+
+	for(int i = 2; i < argc; i++){
+		readDir(rootdir, argv[i]);
+	}
+
+	ofs = new std::ofstream(argv[1], std::ios::binary);
+	root->write(ofs);
+	for(int i = 0; i < datalist.size(); i++){
+		ofs->write((char*)datalist[i].data, datalist[i].size);
+	}
+	ofs->close();
+}