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[submodule "include/imgui"]
path = include/imgui
url = https://github.com/ocornut/imgui
[submodule "include/glm"]
path = include/glm
url = https://github.com/g-truc/glm

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CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.10)
project(anm2ed CXX)
# Gather project sources
file(GLOB SOURCES
"${PROJECT_SOURCE_DIR}/include/imgui/*.cpp"
"${PROJECT_SOURCE_DIR}/include/pugixml/*.cpp"
"${PROJECT_SOURCE_DIR}/src/*.cpp"
)
add_executable(${PROJECT_NAME} ${SOURCES})
target_include_directories(${PROJECT_NAME} PRIVATE include src)
set(CMAKE_CXX_FLAGS "-g -O2 -std=c++20 -Wall -Wextra -pedantic -Wno-unused-variable -Wno-unused-parameter -Wno-ignored-qualifiers -Wno-parentheses -Wno-unused-function -Wno-class-memaccess")
target_link_libraries(${PROJECT_NAME} PRIVATE m GL GLEW SDL3 SDL3_mixer)
message("System: ${CMAKE_SYSTEM_NAME}")
message("Project: ${PROJECT_NAME}")
message("Build: ${CMAKE_BUILD_TYPE}")
message("Flags: ${CMAKE_CXX_FLAGS}")

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LICENSE Executable file
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but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

0
README.md Normal file
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1
include/glm Submodule

Submodule include/glm added at 2d4c4b4dd3

1
include/imgui Submodule

Submodule include/imgui added at cfa43e721a

80
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/**
* pugixml parser - version 1.15
* --------------------------------------------------------
* Copyright (C) 2006-2025, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
* Report bugs and download new versions at https://pugixml.org/
*
* This library is distributed under the MIT License. See notice at the end
* of this file.
*
* This work is based on the pugxml parser, which is:
* Copyright (C) 2003, by Kristen Wegner (kristen@tima.net)
*/
#ifndef HEADER_PUGICONFIG_HPP
#define HEADER_PUGICONFIG_HPP
// Uncomment this to enable wchar_t mode
// #define PUGIXML_WCHAR_MODE
// Uncomment this to enable compact mode
// #define PUGIXML_COMPACT
// Uncomment this to disable XPath
// #define PUGIXML_NO_XPATH
// Uncomment this to disable STL
// #define PUGIXML_NO_STL
// Uncomment this to disable exceptions
// #define PUGIXML_NO_EXCEPTIONS
// Set this to control attributes for public classes/functions, i.e.:
// #define PUGIXML_API __declspec(dllexport) // to export all public symbols from DLL
// #define PUGIXML_CLASS __declspec(dllimport) // to import all classes from DLL
// #define PUGIXML_FUNCTION __fastcall // to set calling conventions to all public functions to fastcall
// In absence of PUGIXML_CLASS/PUGIXML_FUNCTION definitions PUGIXML_API is used instead
// Tune these constants to adjust memory-related behavior
// #define PUGIXML_MEMORY_PAGE_SIZE 32768
// #define PUGIXML_MEMORY_OUTPUT_STACK 10240
// #define PUGIXML_MEMORY_XPATH_PAGE_SIZE 4096
// Tune this constant to adjust max nesting for XPath queries
// #define PUGIXML_XPATH_DEPTH_LIMIT 1024
// Uncomment this to switch to header-only version
// #define PUGIXML_HEADER_ONLY
// Uncomment this to enable long long support (usually enabled automatically)
// #define PUGIXML_HAS_LONG_LONG
// Uncomment this to enable support for std::string_view (usually enabled automatically)
// #define PUGIXML_HAS_STRING_VIEW
#endif
/**
* Copyright (c) 2006-2025 Arseny Kapoulkine
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is 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 Software.
*
* THE SOFTWARE IS 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 SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/

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#pragma once
#include <SDL3/SDL.h>
#include <SDL3_mixer/SDL_mixer.h>
#include <GL/glew.h>
#include <GL/gl.h>
#include <glm/glm.hpp>
#include <glm/gtc/type_ptr.hpp>
#include <limits.h>
#include <math.h>
#include <pugixml.hpp>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <vector>
#include "STRINGS.h"
#include "RESOURCES.h"
using namespace glm;
using namespace pugi;
using namespace std;
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;
typedef int8_t s8;
typedef int16_t s16;
typedef int32_t s32;
typedef int64_t s64;
typedef float f32;
typedef double f64;
#define PI (GLM_PI)
#define TAU (PI * 2)
#define ATAN(x1, x2, y1, y2) (fmod((atan2(y2 - y1, x2 - x1) + TAU), TAU)) /* [0, 2PI] */
struct State
{
SDL_Window* window;
SDL_Renderer* renderer;
SDL_GLContext glContext;
vec3 clearColor = {0.69, 0.69, 0.69};
u64 tick = 0;
u64 lastTick = 0;
bool isRunning = true;
};

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#pragma once
#define RESOURCE_SHADER_VERTEX_TEXTURE_QUAD "res/shader/texture_quad.vs"
#define RESOURCE_SHADER_FRAGMENT_TEXTURE_QUAD "res/shader/texture_quad.fs"

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#pragma once
#define STRING_WINDOW_TITLE "Anm2Ed"
#define STRING_ERROR_SDL_INIT "[ERROR] Could not initialize SDL (%s)\n"
#define STRING_ERROR_GL_CONTEXT_INIT "[ERROR] Could not initialize OpenGL context (%s)\n"
#define STRING_ERROR_FILE_READ "[ERROR] Could not read from file: %s\n"
#define STRING_ERROR_SHADER_INIT "[ERROR] Could not initialize shader: %s\n%s"
#define STRING_ERROR_TEXTURE_INIT "[ERROR] Could not initialize texture: %s (%s)\n"
#define STRING_ERROR_ANM2_INIT "[ERROR] Could not initialize anm2: %s (%s)\n"
#define STRING_INFO_INIT "[INFO] Initializing\n"
#define STRING_INFO_QUIT "[INFO] Exited\n"
#define STRING_INFO_SDL_INIT "[INFO] Initialized SDL\n"
#define STRING_INFO_SDL_QUIT "[INFO] Quit SDL\n"
#define STRING_INFO_GLEW_INIT "[INFO] Initialized GLEW\n"
#define STRING_INFO_GL_CONTEXT_INIT "[INFO] Initialized OpenGL context\n"
#define STRING_INFO_FILE_READ "[INFO] Read from file: %s\n"
#define STRING_INFO_SHADER_INIT "[INFO] Initialized shader: %s & %s\n"
#define STRING_INFO_TEXTURE_INIT "[INFO] Initialized texture: %s\n"
#define STRING_INFO_ANM2_INIT "[INFO] Initialized anm2: %s\n"
#define STRING_INFO_IMGUI_INIT "[INFO] Initialized Dear Imgui\n"
#define STRING_INFO_IMGUI_FREE "[INFO] Freed Dear Imgui\n"
#define STRING_OPENGL_VERSION "#version 330"

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#include "anm2.h"
bool
anm2_init(Anm2* self, const char* path)
{
xml_document document;
xml_parse_result result;
memset(self, '\0', sizeof(Anm2));
result = document.load_file(path);
if (!result)
{
printf(STRING_ERROR_ANM2_INIT, path, result.description());
return false;
}
for (pugi::xml_node node : document.children())
printf("%s\n", node.name());
printf(STRING_INFO_ANM2_INIT, path);
return true;
}
void
anm2_free(Anm2* self)
{
}

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#pragma once
#include "COMMON.h"
#define ANM2_SCALE_CONVERT(x) ((f32)x / 100.0f)
#define ANM2_TINT_CONVERT(x) ((f32)x / 255.0f)
#define ANM2_STRING_MAX 255
/* Elements */
#define STRING_ANM2_ELEMENT_ANIMATED_ACTOR "AnimatedActor"
#define STRING_ANM2_ELEMENT_INFO "Info"
#define STRING_ANM2_ELEMENT_CONTENT "Content"
#define STRING_ANM2_ELEMENT_SPRITESHEETS "Spritesheets"
#define STRING_ANM2_ELEMENT_SPRITESHEET "Spritesheet"
#define STRING_ANM2_ELEMENT_LAYERS "Layers"
#define STRING_ANM2_ELEMENT_LAYER "Layer"
#define STRING_ANM2_ELEMENT_NULLS "Nulls"
#define STRING_ANM2_ELEMENT_NULL "Null"
#define STRING_ANM2_ELEMENT_EVENTS "Events"
#define STRING_ANM2_ELEMENT_EVENT "Event"
#define STRING_ANM2_ELEMENT_ANIMATIONS "Animations"
#define STRING_ANM2_ELEMENT_ANIMATION "Animation"
#define STRING_ANM2_ELEMENT_ROOT_ANIMATION "RootAnimation"
#define STRING_ANM2_ELEMENT_FRAME "Frame"
#define STRING_ANM2_ELEMENT_LAYER_ANIMATIONS "LayerAnimations"
#define STRING_ANM2_ELEMENT_LAYER_ANIMATION "LayerAnimation"
#define STRING_ANM2_ELEMENT_NULL_ANIMATIONS "NullAnimations"
#define STRING_ANM2_ELEMENT_NULL_ANIMATION "NullAnimation"
#define STRING_ANM2_ELEMENT_TRIGGERS "Triggers"
#define STRING_ANM2_ELEMENT_TRIGGER "Trigger"
/* Attributes */
#define STRING_ANM2_ATTRIBUTE_CREATED_BY "CreatedBy"
#define STRING_ANM2_ATTRIBUTE_CREATED_ON "CreatedOn"
#define STRING_ANM2_ATTRIBUTE_FPS "Fps"
#define STRING_ANM2_ATTRIBUTE_VERSION "Version"
#define STRING_ANM2_ATTRIBUTE_ID "Id"
#define STRING_ANM2_ATTRIBUTE_PATH "Path"
#define STRING_ANM2_ATTRIBUTE_NAME "Name"
#define STRING_ANM2_ATTRIBUTE_SPRITESHEET_ID "SpritesheetId"
#define STRING_ANM2_ATTRIBUTE_SHOW_RECT "ShowRect"
#define STRING_ANM2_ATTRIBUTE_DEFAULT_ANIMATION "DefaultAnimation"
#define STRING_ANM2_ATTRIBUTE_FRAME_NUM "FrameNum"
#define STRING_ANM2_ATTRIBUTE_LOOP "Loop"
#define STRING_ANM2_ATTRIBUTE_X_POSITION "XPosition"
#define STRING_ANM2_ATTRIBUTE_Y_POSITION "YPosition"
#define STRING_ANM2_ATTRIBUTE_X_PIVOT "XPivot"
#define STRING_ANM2_ATTRIBUTE_Y_PIVOT "YPivot"
#define STRING_ANM2_ATTRIBUTE_X_CROP "XCrop"
#define STRING_ANM2_ATTRIBUTE_Y_CROP "YCrop"
#define STRING_ANM2_ATTRIBUTE_WIDTH "Width"
#define STRING_ANM2_ATTRIBUTE_HEIGHT "Height"
#define STRING_ANM2_ATTRIBUTE_X_SCALE "XScale"
#define STRING_ANM2_ATTRIBUTE_Y_SCALE "YScale"
#define STRING_ANM2_ATTRIBUTE_DELAY "Delay"
#define STRING_ANM2_ATTRIBUTE_VISIBLE "Visible"
#define STRING_ANM2_ATTRIBUTE_RED_TINT "RedTint"
#define STRING_ANM2_ATTRIBUTE_GREEN_TINT "GreenTint"
#define STRING_ANM2_ATTRIBUTE_BLUE_TINT "BlueTint"
#define STRING_ANM2_ATTRIBUTE_ALPHA_TINT "AlphaTint"
#define STRING_ANM2_ATTRIBUTE_RED_OFFSET "RedOffset"
#define STRING_ANM2_ATTRIBUTE_GREEN_OFFSET "GreenOffset"
#define STRING_ANM2_ATTRIBUTE_BLUE_OFFSET "BlueOffset"
#define STRING_ANM2_ATTRIBUTE_ROTATION "Rotation"
#define STRING_ANM2_ATTRIBUTE_INTERPOLATED "Interpolated"
#define STRING_ANM2_ATTRIBUTE_LAYER_ID "LayerId"
#define STRING_ANM2_ATTRIBUTE_NULL_ID "NullId"
#define STRING_ANM2_ATTRIBUTE_EVENT_ID "EventId"
#define STRING_ANM2_ATTRIBUTE_AT_FRAME "AtFrame"
#define ANM2_ELEMENT_COUNT (ANM2_ELEMENT_TRIGGER + 1)
enum Anm2Element
{
ANM2_ELEMENT_ANIMATED_ACTOR,
ANM2_ELEMENT_INFO,
ANM2_ELEMENT_CONTENT,
ANM2_ELEMENT_SPRITESHEETS,
ANM2_ELEMENT_SPRITESHEET,
ANM2_ELEMENT_LAYERS,
ANM2_ELEMENT_LAYER,
ANM2_ELEMENT_NULLS,
ANM2_ELEMENT_NULL,
ANM2_ELEMENT_EVENTS,
ANM2_ELEMENT_EVENT,
ANM2_ELEMENT_ANIMATIONS,
ANM2_ELEMENT_ANIMATION,
ANM2_ELEMENT_ROOT_ANIMATION,
ANM2_ELEMENT_FRAME,
ANM2_ELEMENT_LAYER_ANIMATIONS,
ANM2_ELEMENT_LAYER_ANIMATION,
ANM2_ELEMENT_NULL_ANIMATIONS,
ANM2_ELEMENT_NULL_ANIMATION,
ANM2_ELEMENT_TRIGGERS,
ANM2_ELEMENT_TRIGGER
};
static const char* ANM2_ELEMENT_STRINGS[ANM2_ELEMENT_COUNT] =
{
STRING_ANM2_ELEMENT_ANIMATED_ACTOR,
STRING_ANM2_ELEMENT_INFO,
STRING_ANM2_ELEMENT_CONTENT,
STRING_ANM2_ELEMENT_SPRITESHEETS,
STRING_ANM2_ELEMENT_SPRITESHEET,
STRING_ANM2_ELEMENT_LAYERS,
STRING_ANM2_ELEMENT_LAYER,
STRING_ANM2_ELEMENT_NULLS,
STRING_ANM2_ELEMENT_NULL,
STRING_ANM2_ELEMENT_EVENTS,
STRING_ANM2_ELEMENT_EVENT,
STRING_ANM2_ELEMENT_ANIMATIONS,
STRING_ANM2_ELEMENT_ANIMATION,
STRING_ANM2_ELEMENT_ROOT_ANIMATION,
STRING_ANM2_ELEMENT_FRAME,
STRING_ANM2_ELEMENT_LAYER_ANIMATIONS,
STRING_ANM2_ELEMENT_LAYER_ANIMATION,
STRING_ANM2_ELEMENT_NULL_ANIMATIONS,
STRING_ANM2_ELEMENT_NULL_ANIMATION,
STRING_ANM2_ELEMENT_TRIGGERS,
STRING_ANM2_ELEMENT_TRIGGER
};
#define ANM2_ATTRIBUTE_COUNT (ANM2_ATTRIBUTE_AT_FRAME + 1)
enum Anm2Attribute
{
ANM2_ATTRIBUTE_CREATED_BY,
ANM2_ATTRIBUTE_CREATED_ON,
ANM2_ATTRIBUTE_FPS,
ANM2_ATTRIBUTE_VERSION,
ANM2_ATTRIBUTE_ID,
ANM2_ATTRIBUTE_PATH,
ANM2_ATTRIBUTE_NAME,
ANM2_ATTRIBUTE_SPRITESHEET_ID,
ANM2_ATTRIBUTE_SHOW_RECT,
ANM2_ATTRIBUTE_DEFAULT_ANIMATION,
ANM2_ATTRIBUTE_FRAME_NUM,
ANM2_ATTRIBUTE_LOOP,
ANM2_ATTRIBUTE_X_POSITION,
ANM2_ATTRIBUTE_Y_POSITION,
ANM2_ATTRIBUTE_X_PIVOT,
ANM2_ATTRIBUTE_Y_PIVOT,
ANM2_ATTRIBUTE_X_CROP,
ANM2_ATTRIBUTE_Y_CROP,
ANM2_ATTRIBUTE_WIDTH,
ANM2_ATTRIBUTE_HEIGHT,
ANM2_ATTRIBUTE_X_SCALE,
ANM2_ATTRIBUTE_Y_SCALE,
ANM2_ATTRIBUTE_DELAY,
ANM2_ATTRIBUTE_VISIBLE,
ANM2_ATTRIBUTE_RED_TINT,
ANM2_ATTRIBUTE_GREEN_TINT,
ANM2_ATTRIBUTE_BLUE_TINT,
ANM2_ATTRIBUTE_ALPHA_TINT,
ANM2_ATTRIBUTE_RED_OFFSET,
ANM2_ATTRIBUTE_GREEN_OFFSET,
ANM2_ATTRIBUTE_BLUE_OFFSET,
ANM2_ATTRIBUTE_ROTATION,
ANM2_ATTRIBUTE_INTERPOLATED,
ANM2_ATTRIBUTE_LAYER_ID,
ANM2_ATTRIBUTE_NULL_ID,
ANM2_ATTRIBUTE_EVENT_ID,
ANM2_ATTRIBUTE_AT_FRAME
};
static const char* ANM2_ATTRIBUTE_STRINGS[ANM2_ATTRIBUTE_COUNT] =
{
STRING_ANM2_ATTRIBUTE_CREATED_BY,
STRING_ANM2_ATTRIBUTE_CREATED_ON,
STRING_ANM2_ATTRIBUTE_FPS,
STRING_ANM2_ATTRIBUTE_VERSION,
STRING_ANM2_ATTRIBUTE_ID,
STRING_ANM2_ATTRIBUTE_PATH,
STRING_ANM2_ATTRIBUTE_NAME,
STRING_ANM2_ATTRIBUTE_SPRITESHEET_ID,
STRING_ANM2_ATTRIBUTE_SHOW_RECT,
STRING_ANM2_ATTRIBUTE_DEFAULT_ANIMATION,
STRING_ANM2_ATTRIBUTE_FRAME_NUM,
STRING_ANM2_ATTRIBUTE_LOOP,
STRING_ANM2_ATTRIBUTE_X_POSITION,
STRING_ANM2_ATTRIBUTE_Y_POSITION,
STRING_ANM2_ATTRIBUTE_X_PIVOT,
STRING_ANM2_ATTRIBUTE_Y_PIVOT,
STRING_ANM2_ATTRIBUTE_X_CROP,
STRING_ANM2_ATTRIBUTE_Y_CROP,
STRING_ANM2_ATTRIBUTE_WIDTH,
STRING_ANM2_ATTRIBUTE_HEIGHT,
STRING_ANM2_ATTRIBUTE_X_SCALE,
STRING_ANM2_ATTRIBUTE_Y_SCALE,
STRING_ANM2_ATTRIBUTE_DELAY,
STRING_ANM2_ATTRIBUTE_VISIBLE,
STRING_ANM2_ATTRIBUTE_RED_TINT,
STRING_ANM2_ATTRIBUTE_GREEN_TINT,
STRING_ANM2_ATTRIBUTE_BLUE_TINT,
STRING_ANM2_ATTRIBUTE_ALPHA_TINT,
STRING_ANM2_ATTRIBUTE_RED_OFFSET,
STRING_ANM2_ATTRIBUTE_GREEN_OFFSET,
STRING_ANM2_ATTRIBUTE_BLUE_OFFSET,
STRING_ANM2_ATTRIBUTE_ROTATION,
STRING_ANM2_ATTRIBUTE_INTERPOLATED,
STRING_ANM2_ATTRIBUTE_LAYER_ID,
STRING_ANM2_ATTRIBUTE_NULL_ID,
STRING_ANM2_ATTRIBUTE_EVENT_ID,
STRING_ANM2_ATTRIBUTE_AT_FRAME
};
#define ANM2_ANIMATION_TYPE_COUNT (ANM2_ANIMATION_NULL + 1)
enum Anm2AnimationType
{
ANM2_ANIMATION_ROOT,
ANM2_ANIMATION_LAYER,
ANM2_ANIMATION_NULL
};
struct Anm2Spritesheet
{
s32 id;
char path[ANM2_STRING_MAX];
};
struct Anm2Layer
{
s32 id;
char name[ANM2_STRING_MAX];
s32 spritesheetID;
};
struct Anm2Event
{
s32 id;
char name[ANM2_STRING_MAX];
};
struct Anm2Trigger
{
s32 eventID;
s32 frame;
};
struct Anm2Frame
{
bool isInterpolated;
bool isVisible;
f32 rotation;
s32 delay;
ivec2 crop;
ivec2 pivot;
ivec2 position;
ivec2 size;
ivec2 scale;
ivec3 colorOffset;
ivec4 tint;
s32 index;
};
struct Anm2LayerAnimation
{
s32 layerID;
bool isVisible;
vector<Anm2Frame> frames;
};
struct Anm2Animation
{
s32 id;
s32 length;
char name[ANM2_STRING_MAX];
bool isVisible;
bool isLoop;
Anm2Frame rootAnimationFrame;
vector<Anm2LayerAnimation> layerAnimations;
vector<Anm2Trigger> triggers;
};
struct Anm2
{
s32 fps;
s32 version;
char createdBy[ANM2_STRING_MAX];
char createdOn[ANM2_STRING_MAX];
char defaultAnimation[ANM2_STRING_MAX];
bool isInit;
vector<Anm2Spritesheet> spritesheets;
vector<Anm2Layer> layers;
vector<Anm2Event> events;
vector<Anm2Animation> animations;
};
bool anm2_init(Anm2* self, const char* path);
void anm2_free(Anm2* self);

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#include "file.h"
bool
file_read(const char* path, void* buffer, size_t size)
{
SDL_IOStream* ioStream;
memset(buffer, '\0', size);
ioStream = SDL_IOFromFile(path, "r");
if (!ioStream)
{
printf(STRING_ERROR_FILE_READ, path);
return false;
}
if (!SDL_ReadIO(ioStream, buffer, size))
{
printf(STRING_ERROR_FILE_READ, path);
return false;
}
SDL_CloseIO(ioStream);
return true;
}

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#pragma once
#include "COMMON.h"
bool file_read(const char* path, void* buffer, size_t size);

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#include "imgui.h"
void
imgui_init(SDL_Window* window, SDL_GLContext glContext)
{
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGui::StyleColorsDark();
ImGui_ImplSDL3_InitForOpenGL(window, glContext);
ImGui_ImplOpenGL3_Init(STRING_OPENGL_VERSION);
printf(STRING_INFO_IMGUI_INIT);
}
void
imgui_tick(State* state)
{
ImGui_ImplSDL3_NewFrame();
ImGui_ImplOpenGL3_NewFrame();
ImGui::NewFrame();
ImGui::Begin("Hello, world!");
ImGui::Text("Color");
ImGui::ColorEdit3("Color", value_ptr(state->clearColor));
ImGui::End();
}
void
imgui_draw(void)
{
ImGui::Render();
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
}
void
imgui_free(void)
{
ImGui_ImplSDL3_Shutdown();
ImGui_ImplOpenGL3_Shutdown();
ImGui::DestroyContext();
printf(STRING_INFO_IMGUI_FREE);
}

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#pragma once
#include "COMMON.h"
#define IMGUI_IMPL_OPENGL_LOADER_CUSTOM
#include <imgui/imgui.h>
#include <imgui/imgui_impl_sdl3.h>
#include <imgui/imgui_impl_opengl3.h>
#define IMGUI_DRAG_SPEED 1.0
void imgui_init(SDL_Window* window, SDL_GLContext glContext);
void imgui_tick(State* state);
void imgui_draw();
void imgui_free();

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#include "main.h"
static void _init(State* state);
static void _draw(State* state);
static void _loop(State* state);
static void _quit(State* state);
static void _tick(State* state);
static void
_init(State* state)
{
Shader shader;
printf(STRING_INFO_INIT);
if (!SDL_Init(SDL_INIT_VIDEO))
{
printf(STRING_ERROR_SDL_INIT, SDL_GetError());
_quit(state);
}
printf(STRING_INFO_SDL_INIT);
SDL_CreateWindowAndRenderer
(
STRING_WINDOW_TITLE,
WINDOW_WIDTH,
WINDOW_HEIGHT,
WINDOW_FLAGS,
&state->window,
&state->renderer
);
state->glContext = SDL_GL_CreateContext(state->window);
if (!state->glContext)
{
printf(STRING_ERROR_GL_CONTEXT_INIT, SDL_GetError());
_quit(state);
}
glewInit();
printf(STRING_INFO_GLEW_INIT);
shader_init(&shader, RESOURCE_SHADER_VERTEX_TEXTURE_QUAD, RESOURCE_SHADER_FRAGMENT_TEXTURE_QUAD);
imgui_init(state->window, state->glContext);
Anm2 anm2;
anm2_init(&anm2, "res/anm2/005.031_key.anm2");
}
void
_loop(State* state)
{
state->tick = SDL_GetTicks();
while (state->tick > state->lastTick + TICK_DELAY)
{
state->tick = SDL_GetTicks();
if (state->tick - state->lastTick < TICK_DELAY)
SDL_Delay(TICK_DELAY - (state->tick - state->lastTick));
_tick(state);
imgui_tick(state);
_draw(state);
state->lastTick = state->tick;
}
}
void
_tick(State* state)
{
SDL_Event event;
while(SDL_PollEvent(&event))
{
ImGui_ImplSDL3_ProcessEvent(&event);
if (event.type == SDL_EVENT_QUIT)
state->isRunning = false;
}
}
void
_draw(State* state)
{
glClearColor(state->clearColor.x, state->clearColor.y, state->clearColor.z, 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
imgui_draw();
SDL_GL_SwapWindow(state->window);
}
void
_quit(State* state)
{
imgui_free();
SDL_GL_DestroyContext(state->glContext);
SDL_Quit();
printf(STRING_INFO_SDL_QUIT);
printf(STRING_INFO_QUIT);
}
s32
main(s32 argc, char* argv[])
{
State state;
_init(&state);
while (state.isRunning)
_loop(&state);
_quit(&state);
return EXIT_SUCCESS;
}

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#pragma once
#include "texture.h"
#include "shader.h"
#include "imgui.h"
#include "anm2.h"
#define TICK_DELAY 16
#define WINDOW_WIDTH 1600
#define WINDOW_HEIGHT 900
#define WINDOW_FLAGS SDL_WINDOW_RESIZABLE

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#include "shader.h"
static bool _shader_compile(GLuint handle, const char* path);
static bool
_shader_compile(GLuint handle, const char* path)
{
char buffer[SHADER_BUFFER_MAX];
char compileLog[SHADER_BUFFER_MAX];
s32 isCompile;
file_read(path, buffer, SHADER_BUFFER_MAX);
const GLchar* source = buffer;
glShaderSource(handle, 1, &source, NULL);
glCompileShader(handle);
glGetShaderiv(handle, GL_COMPILE_STATUS, &isCompile);
if (!isCompile)
{
glGetShaderInfoLog(handle, SHADER_BUFFER_MAX, NULL, compileLog);
printf(STRING_ERROR_SHADER_INIT, path, compileLog);
return false;
}
return true;
}
bool
shader_init(Shader* self, const char* vertexPath, const char* fragmentPath)
{
GLuint vertexHandle;
GLuint fragmentHandle;
bool isSuccess;
memset(self, '\0', sizeof(Shader));
vertexHandle = glCreateShader(GL_VERTEX_SHADER);
fragmentHandle = glCreateShader(GL_FRAGMENT_SHADER);
if
(
!_shader_compile(vertexHandle, vertexPath) ||
!_shader_compile(fragmentHandle, fragmentPath)
)
return false;
self->handle = glCreateProgram();
glAttachShader(self->handle, vertexHandle);
glAttachShader(self->handle, fragmentHandle);
glLinkProgram(self->handle);
glDeleteShader(vertexHandle);
glDeleteShader(fragmentHandle);
printf(STRING_INFO_SHADER_INIT, vertexPath, fragmentPath);
return true;
}
void
shader_use(Shader* self)
{
glUseProgram(self->handle);
}
void
shader_free(Shader* self)
{
glDeleteProgram(self->handle);
}

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#pragma once
#include "file.h"
#define SHADER_BUFFER_MAX 2048
struct Shader
{
GLuint handle = 0;
};
bool shader_init(Shader* self, const char* vertexPath, const char* fragmentPath);
void shader_free(Shader* self);
void shader_use(Shader* self);

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#include "texture.h"
#define STBI_ONLY_PNG
#define STBI_NO_FAILURE_STRINGS
#define STBI_NO_HDR
#define STB_IMAGE_IMPLEMENTATION
#include <stb_image.h>
bool
texture_init(Texture* self, const char* path)
{
void* data;
data = stbi_load(path, &self->size[0], &self->size[1], &self->channels, 4);
if (!data)
return false;
glGenTextures(1, &self->handle);
glBindTexture(GL_TEXTURE_2D, self->handle);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, self->size.x, self->size.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
return true;
}
void
texture_free(Texture* self)
{
glDeleteTextures(1, &self->handle);
memset(self, '\0', sizeof(Texture));
}

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#pragma once
#include "COMMON.h"
struct Texture
{
GLuint handle = 0;
ivec2 size = {0, 0};
s32 channels = -1;
};
bool texture_init(Texture* self, const char* path);
void texture_free(Texture* self);