GameEngine

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An experimental game-engine

GameEngine 최신버젼 다운로드

최종 버전 다운로드 (.zip)

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# Game Engine

This is an experimental open-source game engine from scratch. It's still under development and gonna be a cross-plaform engine.

## Project Showcase

Here is as small shots:

![Deferred Shading](https://raw.githubusercontent.com/omidshahbazi/omidshahbazi.github.io/master/Materials/GameEngine/DeferredRendering.jpg)

## Features

* **Build System**
    * Build reflection from C++ source code
    * Build modules based on target platform
* **Container**
    * AnyDataType
    * Buffer
    * Color
    * DynamicString and ConstantString
    * Delegate
    * Exception
    * GUID
    * List
    * Map
    * Vector
    * Pair
    * Stack
	* Queue
    * StringStream
    * Promise
* **Math Container**
    * Vector2
    * Vector3
    * Vector4
    * Matrix4
    * Quaternion
* **Memory Management**
    * SystemAllocator
    * DynamicSizeAllocator
    * FixedSizeAllocator
    * FrameAllocator
    * ReferenceCounted
* **Reflection**
    * Reflection type info and meta data generator
* **Parallelizing**
    * Fiber based job system
* **Font System**
    * Font Compiler from **.ttf file format
* **Game Object System**
    * Entity-Component System (Data Oriented Design) with an Object Oriented wrapper
    * Built-in components: Camera, Light, Renderer, TextRenderer
* **Input System**
    * Mouse, Keyboard
* **Resource System**
    * Powerful resource system
    * Pre-compiled built-in format
* **Rendering**
    * Extendable API usage system
    * OpenGL
    * DirectX 12
    * Deferred Shading pipeline
    * Programmable Material System
    * Built-in c-like shading language with code-to-code compiler to build glsl and/or hlsl
	* Command Buffer and Fence
* **Profiler**
    * Realtime profiler

## Usage
```c++
#include <CoreSystem\Core.h>
#include <MemoryManagement\Allocator\RootAllocator.h>
#include <Rendering\RenderingManager.h>
#include <ResourceSystem\ResourceManager.h>
#include <Containers\MathContainers.h>
#include <Rendering\Material.h>
#include <Platform\PlatformFile.h>
#include <GameObjectSystem\SceneManager.h>
#include <Utility\Window.h>
#include <Utility\FileSystem.h>
#include <Containers\StringUtility.h>
#include <InputSystem\InputManager.h>

using namespace Engine::Common;
using namespace Engine::Containers;
using namespace Engine::CoreSystem;
using namespace Engine::MemoryManagement::Allocator;
using namespace Engine::Rendering;
using namespace Engine::ResourceSystem;
using namespace Engine::Platform;
using namespace Engine::GameObjectSystem;
using namespace Engine::Utility;
using namespace Engine::FontSystem;
using namespace Engine::InputSystem;

const int WIDTH = 800;
const int HEIGHT = 600;
const float ASPECT_RATIO = (float)WIDTH / HEIGHT;

class WindowListener : public Window::IListener
{
public:
	WindowListener(Camera Camera) :
		m_Camera(Camera)
	{
	}

private:
	void OnWindowPositioned(Window* Window) override
	{
	}

void OnWindowResized(Window* Window) override
	{
		m_Camera.SetAspectRatio(Window->GetClientSize().X / (float)Window->GetClientSize().Y);
	}

private:
	Camera m_Camera;
};

void main()
{
	FileSystem::SetWorkingPath(L"../");

Core* core = Core::Create(RootAllocator::GetInstance());

Window* window = core->CreateWindow({ WIDTH, HEIGHT }, "Test Launcher");

core->Initialize();

SceneManager* sceneMgr = SceneManager::GetInstance();
	ResourceManager* resources = ResourceManager::GetInstance();
	InputManager* input = InputManager::GetInstance();

TextureResource brickTex = resources->Load<Texture>("Brick.jpg");
	ProgramResource shader = resources->Load<Program>("Shader.shader");
	MeshResource sphereMesh = resources->Load(PrimitiveMeshTypes::Sphere);
	MeshResource quadMesh = resources->Load(PrimitiveMeshTypes::Cube);
	FontResource font = resources->Load<Font>("consola.font");
	ProgramResource textShader = resources->Load<Program>("TextShader.shader");

Material mat;
	mat.SetQueue(RenderQueues::Geometry);
	Pass pass(*shader);
	pass.SetTexture("diffuseTex", *brickTex);
	mat.AddPass(pass);

Scene scene = sceneMgr->CreateScene();
	sceneMgr->SetActiveScene(scene);

const int32 COUNT_X = 10;
	const int32 COUNT_Y = 10;
	GameObject gameObjects[COUNT_X * COUNT_Y];

GameObject obj = scene.CreateRenderableGameObject();
	{
		Renderer renderer = obj.GetRenderer();
		renderer.SetMesh(*sphereMesh);
		renderer.SetMaterial(&mat);
		Transform tr = obj.GetTransform();
		tr.SetPosition({ 0, 0, 0 });
		tr.SetScale({ 1, 1, 1 });

}

Material textMat;
	textMat.SetQueue(RenderQueues::HUD);
	Pass textPass(*textShader);
	auto st = textPass.GetRenderState();
	st.CullMode = IDevice::CullModes::None;
	st.DepthTestFunction = IDevice::TestFunctions::Never;
	textPass.SetRenderState(st);
	textMat.AddPass(textPass);

GameObject textObj = scene.CreateTextRenderableGameObject();
	TextRenderer textRen = textObj.GetTextRenderer();
	textRen.SetFont(*font);
	textRen.SetMaterial(&textMat);

GameObject camObj = scene.CreateCameraGameObject();
	Camera camera = camObj.GetCamera();
	camObj.GetTransform().SetPosition({ 0, 0, -10 });

camera.SetAspectRatio(ASPECT_RATIO);
	camera.SetFieldOfView(60);
	camera.SetNearClipDistance(0.1F);
	camera.SetFarClipDistance(100);

GameObject amLightObj = scene.CreateLightingGameObject();
	Light amLight = amLightObj.GetLight();
	amLight.SetType(LightTypes::Ambient);
	amLight.SetStrength(1);
	amLight.SetColor({ 255, 255, 255 });

WindowListener windowListener(camera);
	window->AddListener(&windowListener);

PlatformFile::Handle watcherHandle = PlatformFile::CreateWatcher(resources->GetAssetsPath().GetValue(), true);
	PlatformFile::WatchInfo watchInfos[1024];

float32 rot = 0;
	float32 z = 0;

while (!window->ShouldClose())
	{
		uint32 len;
		PlatformFile::RefreshWatcher(watcherHandle, true, PlatformFile::WatchNotifyFilter::FileRenamed | PlatformFile::WatchNotifyFilter::DirectoryRenamed | PlatformFile::WatchNotifyFilter::LastWriteTimeChanged, watchInfos, 1024, len);

if (len > 0)
		{
			WStringList files;

for (uint32 i = 0; i < len; ++i)
			{
				PlatformFile::WatchInfo& info = watchInfos[i];

if (info.Action != PlatformFile::WatchAction::Modified)
					continue;

WString file(info.FileName, info.FileNameLength);

if (!files.Contains(file))
					files.Add(file);
			}

for each (auto & file in files)
				resources->Reload(file);
		}

core->Update();

textRen.SetText("FPS: " + StringUtility::ToString<char8>(core->GetFPS()));

auto mPos = input->GetMousePosition();

rot = 360.0F * (mPos.X / (float32)WIDTH);

obj.GetTransform().SetScale({ abs(sin(rot)) * 2 });
	}

ResourceManager::Destroy();
	Core::Destroy();
	SceneManager::Destroy();
}
```

## How to Build

Ensure you have Visual Studio 2017, 2019 or 2022 (Community Edition would be acceptable)

Run GenerateSolution.bat to build solution and project files

Open up Engine/Engine.sln

Build and Run

Tests are already placed inside the solution

## Getting Help

Contact me on [sh.omid.m@gmail.com](mailto://sh.omid.m@gmail.com)

## Contributing

Want to help me, Great!

Just check out the [tasks board](https://github.com/omidshahbazi/GameEngine/projects/1) and let me know

GameEngine

GameEngine 최신버젼 다운로드

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