/* Slightly modified version of https://github.com/Rebzzel/kiero

MIT License

Copyright(c) 2014 - 2020 Rebzzel

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.
*/

#include "kiero.h"
#include <Windows.h>
#include <assert.h>
#include "Renderware.h"

#if KIERO_INCLUDE_D3D9
# include <d3d9.h>
#endif

#if KIERO_INCLUDE_D3D10
# include <dxgi.h>
# include <d3d10_1.h>
# include <d3d10.h>
#endif

#if KIERO_INCLUDE_D3D11
# include <dxgi.h>
# include <d3d11.h>
#endif

#if KIERO_INCLUDE_D3D12
# include <dxgi.h>
# include <d3d12.h>
#endif

#if KIERO_INCLUDE_OPENGL
# include <gl/GL.h>
#endif

#if KIERO_INCLUDE_VULKAN
# include <vulkan/vulkan.h>
#endif

#if KIERO_USE_MINHOOK
#include "minhook/include/MinHook.h"
#endif

#ifdef _UNICODE
# define KIERO_TEXT(text) L##text
#else
# define KIERO_TEXT(text) text
#endif

#define KIERO_ARRAY_SIZE(arr) ((size_t)(sizeof(arr)/sizeof(arr[0])))

static kiero::RenderType::Enum g_renderType = kiero::RenderType::None;
static uint150_t* g_methodsTable = NULL;

kiero::Status::Enum kiero::init(RenderType::Enum _renderType)
{
	if (g_renderType != RenderType::None)
	{
		return Status::AlreadyInitializedError;
	}

	if (_renderType != RenderType::None)
	{
		if (_renderType >= RenderType::D3D9 && _renderType <= RenderType::D3D12)
		{
			if (_renderType == RenderType::D3D9)
			{
#if KIERO_INCLUDE_D3D9
			
				if (GetModuleHandle(KIERO_TEXT("d3d9.dll")) == NULL)
				{
					return Status::ModuleNotFoundError;
				}
				g_methodsTable = (uint150_t*)::calloc(119, sizeof(uint150_t));
				::memcpy(g_methodsTable, *(uint150_t**)GetD3DDevice(), 119 * sizeof(uint150_t));

#if KIERO_USE_MINHOOK
				MH_Initialize();
#endif
				g_renderType = RenderType::D3D9;

				return Status::Success;
#endif
			}
			else if (_renderType == RenderType::D3D10)
			{
#if KIERO_INCLUDE_D3D10
				HMODULE libDXGI;
				HMODULE libD3D10;
				if ((libDXGI = ::GetModuleHandle(KIERO_TEXT("dxgi.dll"))) == NULL || (libD3D10 = ::GetModuleHandle(KIERO_TEXT("d3d10.dll"))) == NULL)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::ModuleNotFoundError;
				}

				void* CreateDXGIFactory;
				if ((CreateDXGIFactory = ::GetProcAddress(libDXGI, "CreateDXGIFactory")) == NULL)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				IDXGIFactory* factory;
				if (((long(__stdcall*)(const IID&, void**))(CreateDXGIFactory))(__uuidof(IDXGIFactory), (void**)&factory) < 0)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				IDXGIAdapter* adapter;
				if (factory->EnumAdapters(0, &adapter) == DXGI_ERROR_NOT_FOUND)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				void* D3D10CreateDeviceAndSwapChain;
				if ((D3D10CreateDeviceAndSwapChain = ::GetProcAddress(libD3D10, "D3D10CreateDeviceAndSwapChain")) == NULL)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				DXGI_RATIONAL refreshRate;
				refreshRate.Numerator = 60;
				refreshRate.Denominator = 1;

				DXGI_MODE_DESC bufferDesc;
				bufferDesc.Width = 100;
				bufferDesc.Height = 100;
				bufferDesc.RefreshRate = refreshRate;
				bufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
				bufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
				bufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;

				DXGI_SAMPLE_DESC sampleDesc;
				sampleDesc.Count = 1;
				sampleDesc.Quality = 0;

				DXGI_SWAP_CHAIN_DESC swapChainDesc;
				swapChainDesc.BufferDesc = bufferDesc;
				swapChainDesc.SampleDesc = sampleDesc;
				swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
				swapChainDesc.BufferCount = 1;
				swapChainDesc.OutputWindow = window;
				swapChainDesc.Windowed = 1;
				swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
				swapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;

				IDXGISwapChain* swapChain;
				ID3D10Device* device;

				if (((long(__stdcall*)(
					IDXGIAdapter*,
					D3D10_DRIVER_TYPE,
					HMODULE,
					UINT,
					UINT,
					DXGI_SWAP_CHAIN_DESC*,
					IDXGISwapChain**,
					ID3D10Device**))(D3D10CreateDeviceAndSwapChain))(adapter, D3D10_DRIVER_TYPE_HARDWARE, NULL, 0, D3D10_SDK_VERSION, &swapChainDesc, &swapChain, &device) < 0)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				g_methodsTable = (uint150_t*)::calloc(116, sizeof(uint150_t));
				::memcpy(g_methodsTable, *(uint150_t**)swapChain, 18 * sizeof(uint150_t));
				::memcpy(g_methodsTable + 18, *(uint150_t**)device, 98 * sizeof(uint150_t));

#if KIERO_USE_MINHOOK
				MH_Initialize();
#endif

				swapChain->Release();
				swapChain = NULL;

				device->Release();
				device = NULL;

				::DestroyWindow(window);
				::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);

				g_renderType = RenderType::D3D10;

				return Status::Success;
#endif
			}
			else if (_renderType == RenderType::D3D11)
			{
#if KIERO_INCLUDE_D3D11
				HMODULE libD3D11;
				if ((libD3D11 = ::GetModuleHandle(KIERO_TEXT("d3d11.dll"))) == NULL)
				{
					return Status::ModuleNotFoundError;
				}

				void* D3D11CreateDeviceAndSwapChain;
				if ((D3D11CreateDeviceAndSwapChain = ::GetProcAddress(libD3D11, "D3D11CreateDeviceAndSwapChain")) == NULL)
				{
					return Status::UnknownError;
				}

				D3D_FEATURE_LEVEL featureLevel;
				const D3D_FEATURE_LEVEL featureLevels[] = { D3D_FEATURE_LEVEL_10_1, D3D_FEATURE_LEVEL_11_0 };

				DXGI_RATIONAL refreshRate;
				refreshRate.Numerator = 60;
				refreshRate.Denominator = 1;

				DXGI_MODE_DESC bufferDesc;
				bufferDesc.Width = 100;
				bufferDesc.Height = 100;
				bufferDesc.RefreshRate = refreshRate;
				bufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
				bufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
				bufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;

				DXGI_SAMPLE_DESC sampleDesc;
				sampleDesc.Count = 1;
				sampleDesc.Quality = 0;

				DXGI_SWAP_CHAIN_DESC swapChainDesc;
				swapChainDesc.BufferDesc = bufferDesc;
				swapChainDesc.SampleDesc = sampleDesc;
				swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
				swapChainDesc.BufferCount = 1;
				swapChainDesc.OutputWindow = RsGlobal.ps->window;
				swapChainDesc.Windowed = 1;
				swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
				swapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;

				IDXGISwapChain* swapChain;
				ID3D11Device* device;
				ID3D11DeviceContext* context;

				if (((long(__stdcall*)(
					IDXGIAdapter*,
					D3D_DRIVER_TYPE,
					HMODULE,
					UINT,
					const D3D_FEATURE_LEVEL*,
					UINT,
					UINT,
					const DXGI_SWAP_CHAIN_DESC*,
					IDXGISwapChain**,
					ID3D11Device**,
					D3D_FEATURE_LEVEL*,
					ID3D11DeviceContext**))(D3D11CreateDeviceAndSwapChain))(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, 0, featureLevels, 2, D3D11_SDK_VERSION, &swapChainDesc, &swapChain, &device, &featureLevel, &context) < 0)
				{
					return Status::UnknownError;
				}

				g_methodsTable = (uint150_t*)::calloc(205, sizeof(uint150_t));
				::memcpy(g_methodsTable, *(uint150_t**)swapChain, 18 * sizeof(uint150_t));
				::memcpy(g_methodsTable + 18, *(uint150_t**)device, 43 * sizeof(uint150_t));
				::memcpy(g_methodsTable + 18 + 43, *(uint150_t**)context, 144 * sizeof(uint150_t));

#if KIERO_USE_MINHOOK
				MH_Initialize();
#endif

				swapChain->Release();
				swapChain = NULL;

				device->Release();
				device = NULL;

				context->Release();
				context = NULL;

				g_renderType = RenderType::D3D11;

				return Status::Success;
#endif
			}
			else if (_renderType == RenderType::D3D12)
			{
#if KIERO_INCLUDE_D3D12
				HMODULE libDXGI;
				HMODULE libD3D12;
				if ((libDXGI = ::GetModuleHandle(KIERO_TEXT("dxgi.dll"))) == NULL || (libD3D12 = ::GetModuleHandle(KIERO_TEXT("d3d12.dll"))) == NULL)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::ModuleNotFoundError;
				}

				void* CreateDXGIFactory;
				if ((CreateDXGIFactory = ::GetProcAddress(libDXGI, "CreateDXGIFactory")) == NULL)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				IDXGIFactory* factory;
				if (((long(__stdcall*)(const IID&, void**))(CreateDXGIFactory))(__uuidof(IDXGIFactory), (void**)&factory) < 0)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				IDXGIAdapter* adapter;
				if (factory->EnumAdapters(0, &adapter) == DXGI_ERROR_NOT_FOUND)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				void* D3D12CreateDevice;
				if ((D3D12CreateDevice = ::GetProcAddress(libD3D12, "D3D12CreateDevice")) == NULL)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				ID3D12Device* device;
				if (((long(__stdcall*)(IUnknown*, D3D_FEATURE_LEVEL, const IID&, void**))(D3D12CreateDevice))(adapter, D3D_FEATURE_LEVEL_11_0, __uuidof(ID3D12Device), (void**)&device) < 0)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				D3D12_COMMAND_QUEUE_DESC queueDesc;
				queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
				queueDesc.Priority = 0;
				queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
				queueDesc.NodeMask = 0;

				ID3D12CommandQueue* commandQueue;
				if (device->CreateCommandQueue(&queueDesc, __uuidof(ID3D12CommandQueue), (void**)&commandQueue) < 0)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				ID3D12CommandAllocator* commandAllocator;
				if (device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, __uuidof(ID3D12CommandAllocator), (void**)&commandAllocator) < 0)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				ID3D12GraphicsCommandList* commandList;
				if (device->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, commandAllocator, NULL, __uuidof(ID3D12GraphicsCommandList), (void**)&commandList) < 0)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				DXGI_RATIONAL refreshRate;
				refreshRate.Numerator = 60;
				refreshRate.Denominator = 1;

				DXGI_MODE_DESC bufferDesc;
				bufferDesc.Width = 100;
				bufferDesc.Height = 100;
				bufferDesc.RefreshRate = refreshRate;
				bufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
				bufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
				bufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;

				DXGI_SAMPLE_DESC sampleDesc;
				sampleDesc.Count = 1;
				sampleDesc.Quality = 0;

				DXGI_SWAP_CHAIN_DESC swapChainDesc = {};
				swapChainDesc.BufferDesc = bufferDesc;
				swapChainDesc.SampleDesc = sampleDesc;
				swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
				swapChainDesc.BufferCount = 2;
				swapChainDesc.OutputWindow = window;
				swapChainDesc.Windowed = 1;
				swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
				swapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;

				IDXGISwapChain* swapChain;
				if (factory->CreateSwapChain(commandQueue, &swapChainDesc, &swapChain) < 0)
				{
					::DestroyWindow(window);
					::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);
					return Status::UnknownError;
				}

				g_methodsTable = (uint150_t*)::calloc(150, sizeof(uint150_t));
				::memcpy(g_methodsTable, *(uint150_t**)device, 44 * sizeof(uint150_t));
				::memcpy(g_methodsTable + 44, *(uint150_t**)commandQueue, 19 * sizeof(uint150_t));
				::memcpy(g_methodsTable + 44 + 19, *(uint150_t**)commandAllocator, 9 * sizeof(uint150_t));
				::memcpy(g_methodsTable + 44 + 19 + 9, *(uint150_t**)commandList, 60 * sizeof(uint150_t));
				::memcpy(g_methodsTable + 44 + 19 + 9 + 60, *(uint150_t**)swapChain, 18 * sizeof(uint150_t));

#if KIERO_USE_MINHOOK
				MH_Initialize();
#endif

				device->Release();
				device = NULL;

				commandQueue->Release();
				commandQueue = NULL;

				commandAllocator->Release();
				commandAllocator = NULL;

				commandList->Release();
				commandList = NULL;

				swapChain->Release();
				swapChain = NULL;

				::DestroyWindow(window);
				::UnregisterClass(windowClass.lpszClassName, windowClass.hInstance);

				g_renderType = RenderType::D3D12;

				return Status::Success;
#endif
			}

			return Status::NotSupportedError;
		}
		else if (_renderType != RenderType::Auto)
		{
			if (_renderType == RenderType::OpenGL)
			{
#if KIERO_INCLUDE_OPENGL
				HMODULE libOpenGL32;
				if ((libOpenGL32 = ::GetModuleHandle(KIERO_TEXT("opengl32.dll"))) == NULL)
				{
					return Status::ModuleNotFoundError;
				}

				const char* const methodsNames[] = {
					"glAccum", "glAlphaFunc", "glAreTexturesResident", "glArrayElement", "glBegin", "glBindTexture", "glBitmap", "glBlendFunc", "glCallList", "glCallLists", "glClear", "glClearAccum",
					"glClearColor", "glClearDepth", "glClearIndex", "glClearStencil", "glClipPlane", "glColor3b", "glColor3bv", "glColor3d", "glColor3dv", "glColor3f", "glColor3fv", "glColor3i", "glColor3iv",
					"glColor3s", "glColor3sv", "glColor3ub", "glColor3ubv", "glColor3ui", "glColor3uiv", "glColor3us", "glColor3usv", "glColor4b", "glColor4bv", "glColor4d", "glColor4dv", "glColor4f",
					"glColor4fv", "glColor4i", "glColor4iv", "glColor4s", "glColor4sv", "glColor4ub", "glColor4ubv", "glColor4ui", "glColor4uiv", "glColor4us", "glColor4usv", "glColorMask", "glColorMaterial",
					"glColorPointer", "glCopyPixels", "glCopyTexImage1D", "glCopyTexImage2D", "glCopyTexSubImage1D", "glCopyTexSubImage2D", "glCullFaceglCullFace", "glDeleteLists", "glDeleteTextures",
					"glDepthFunc", "glDepthMask", "glDepthRange", "glDisable", "glDisableClientState", "glDrawArrays", "glDrawBuffer", "glDrawElements", "glDrawPixels", "glEdgeFlag", "glEdgeFlagPointer",
					"glEdgeFlagv", "glEnable", "glEnableClientState", "glEnd", "glEndList", "glEvalCoord1d", "glEvalCoord1dv", "glEvalCoord1f", "glEvalCoord1fv", "glEvalCoord2d", "glEvalCoord2dv",
					"glEvalCoord2f", "glEvalCoord2fv", "glEvalMesh1", "glEvalMesh2", "glEvalPoint1", "glEvalPoint2", "glFeedbackBuffer", "glFinish", "glFlush", "glFogf", "glFogfv", "glFogi", "glFogiv",
					"glFrontFace", "glFrustum", "glGenLists", "glGenTextures", "glGetBooleanv", "glGetClipPlane", "glGetDoublev", "glGetError", "glGetFloatv", "glGetIntegerv", "glGetLightfv", "glGetLightiv",
					"glGetMapdv", "glGetMapfv", "glGetMapiv", "glGetMaterialfv", "glGetMaterialiv", "glGetPixelMapfv", "glGetPixelMapuiv", "glGetPixelMapusv", "glGetPointerv", "glGetPolygonStipple",
					"glGetString", "glGetTexEnvfv", "glGetTexEnviv", "glGetTexGendv", "glGetTexGenfv", "glGetTexGeniv", "glGetTexImage", "glGetTexLevelParameterfv", "glGetTexLevelParameteriv",
					"glGetTexParameterfv", "glGetTexParameteriv", "glHint", "glIndexMask", "glIndexPointer", "glIndexd", "glIndexdv", "glIndexf", "glIndexfv", "glIndexi", "glIndexiv", "glIndexs", "glIndexsv",
					"glIndexub", "glIndexubv", "glInitNames", "glInterleavedArrays", "glIsEnabled", "glIsList", "glIsTexture", "glLightModelf", "glLightModelfv", "glLightModeli", "glLightModeliv", "glLightf",
					"glLightfv", "glLighti", "glLightiv", "glLineStipple", "glLineWidth", "glListBase", "glLoadIdentity", "glLoadMatrixd", "glLoadMatrixf", "glLoadName", "glLogicOp", "glMap1d", "glMap1f",
					"glMap2d", "glMap2f", "glMapGrid1d", "glMapGrid1f", "glMapGrid2d", "glMapGrid2f", "glMaterialf", "glMaterialfv", "glMateriali", "glMaterialiv", "glMatrixMode", "glMultMatrixd",
					"glMultMatrixf", "glNewList", "glNormal3b", "glNormal3bv", "glNormal3d", "glNormal3dv", "glNormal3f", "glNormal3fv", "glNormal3i", "glNormal3iv", "glNormal3s", "glNormal3sv",
					"glNormalPointer", "glOrtho", "glPassThrough", "glPixelMapfv", "glPixelMapuiv", "glPixelMapusv", "glPixelStoref", "glPixelStorei", "glPixelTransferf", "glPixelTransferi", "glPixelZoom",
					"glPointSize", "glPolygonMode", "glPolygonOffset", "glPolygonStipple", "glPopAttrib", "glPopClientAttrib", "glPopMatrix", "glPopName", "glPrioritizeTextures", "glPushAttrib",
					"glPushClientAttrib", "glPushMatrix", "glPushName", "glRasterPos2d", "glRasterPos2dv", "glRasterPos2f", "glRasterPos2fv", "glRasterPos2i", "glRasterPos2iv", "glRasterPos2s",
					"glRasterPos2sv", "glRasterPos3d", "glRasterPos3dv", "glRasterPos3f", "glRasterPos3fv", "glRasterPos3i", "glRasterPos3iv", "glRasterPos3s", "glRasterPos3sv", "glRasterPos4d",
					"glRasterPos4dv", "glRasterPos4f", "glRasterPos4fv", "glRasterPos4i", "glRasterPos4iv", "glRasterPos4s", "glRasterPos4sv", "glReadBuffer", "glReadPixels", "glRectd", "glRectdv", "glRectf",
					"glRectfv", "glRecti", "glRectiv", "glRects", "glRectsv", "glRenderMode", "glRotated", "glRotatef", "glScaled", "glScalef", "glScissor", "glSelectBuffer", "glShadeModel", "glStencilFunc",
					"glStencilMask", "glStencilOp", "glTexCoord1d", "glTexCoord1dv", "glTexCoord1f", "glTexCoord1fv", "glTexCoord1i", "glTexCoord1iv", "glTexCoord1s", "glTexCoord1sv", "glTexCoord2d",
					"glTexCoord2dv", "glTexCoord2f", "glTexCoord2fv", "glTexCoord2i", "glTexCoord2iv", "glTexCoord2s", "glTexCoord2sv", "glTexCoord3d", "glTexCoord3dv", "glTexCoord3f", "glTexCoord3fv",
					"glTexCoord3i", "glTexCoord3iv", "glTexCoord3s", "glTexCoord3sv", "glTexCoord4d", "glTexCoord4dv", "glTexCoord4f", "glTexCoord4fv", "glTexCoord4i", "glTexCoord4iv", "glTexCoord4s",
					"glTexCoord4sv", "glTexCoordPointer", "glTexEnvf", "glTexEnvfv", "glTexEnvi", "glTexEnviv", "glTexGend", "glTexGendv", "glTexGenf", "glTexGenfv", "glTexGeni", "glTexGeniv", "glTexImage1D",
					"glTexImage2D", "glTexParameterf", "glTexParameterfv", "glTexParameteri", "glTexParameteriv", "glTexSubImage1D", "glTexSubImage2D", "glTranslated", "glTranslatef", "glVertex2d",
					"glVertex2dv", "glVertex2f", "glVertex2fv", "glVertex2i", "glVertex2iv", "glVertex2s", "glVertex2sv", "glVertex3d", "glVertex3dv", "glVertex3f", "glVertex3fv", "glVertex3i", "glVertex3iv",
					"glVertex3s", "glVertex3sv", "glVertex4d", "glVertex4dv", "glVertex4f", "glVertex4fv", "glVertex4i", "glVertex4iv", "glVertex4s", "glVertex4sv", "glVertexPointer", "glViewport"
				};

				size_t size = KIERO_ARRAY_SIZE(methodsNames);

				g_methodsTable = (uint150_t*)::calloc(size, sizeof(uint150_t));

				for (int i = 0; i < size; i++)
				{
					g_methodsTable[i] = (uint150_t)::GetProcAddress(libOpenGL32, methodsNames[i]);
				}

#if KIERO_USE_MINHOOK
				MH_Initialize();
#endif

				g_renderType = RenderType::OpenGL;

				return Status::Success;
#endif
			}
			else if (_renderType == RenderType::Vulkan)
			{
#if KIERO_INCLUDE_VULKAN
				HMODULE libVulkan;
				if ((libVulkan = GetModuleHandle(KIERO_TEXT("vulkan-1.dll"))) == NULL)
				{
					return Status::ModuleNotFoundError;
				}

				const char* const methodsNames[] = {
					"vkCreateInstance", "vkDestroyInstance", "vkEnumeratePhysicalDevices", "vkGetPhysicalDeviceFeatures", "vkGetPhysicalDeviceFormatProperties", "vkGetPhysicalDeviceImageFormatProperties",
					"vkGetPhysicalDeviceProperties", "vkGetPhysicalDeviceQueueFamilyProperties", "vkGetPhysicalDeviceMemoryProperties", "vkGetInstanceProcAddr", "vkGetDeviceProcAddr", "vkCreateDevice",
					"vkDestroyDevice", "vkEnumerateInstanceExtensionProperties", "vkEnumerateDeviceExtensionProperties", "vkEnumerateDeviceLayerProperties", "vkGetDeviceQueue", "vkQueueSubmit", "vkQueueWaitIdle",
					"vkDeviceWaitIdle", "vkAllocateMemory", "vkFreeMemory", "vkMapMemory", "vkUnmapMemory", "vkFlushMappedMemoryRanges", "vkInvalidateMappedMemoryRanges", "vkGetDeviceMemoryCommitment",
					"vkBindBufferMemory", "vkBindImageMemory", "vkGetBufferMemoryRequirements", "vkGetImageMemoryRequirements", "vkGetImageSparseMemoryRequirements", "vkGetPhysicalDeviceSparseImageFormatProperties",
					"vkQueueBindSparse", "vkCreateFence", "vkDestroyFence", "vkResetFences", "vkGetFenceStatus", "vkWaitForFences", "vkCreateSemaphore", "vkDestroySemaphore", "vkCreateEvent", "vkDestroyEvent",
					"vkGetEventStatus", "vkSetEvent", "vkResetEvent", "vkCreateQueryPool", "vkDestroyQueryPool", "vkGetQueryPoolResults", "vkCreateBuffer", "vkDestroyBuffer", "vkCreateBufferView", "vkDestroyBufferView",
					"vkCreateImage", "vkDestroyImage", "vkGetImageSubresourceLayout", "vkCreateImageView", "vkDestroyImageView", "vkCreateShaderModule", "vkDestroyShaderModule", "vkCreatePipelineCache",
					"vkDestroyPipelineCache", "vkGetPipelineCacheData", "vkMergePipelineCaches", "vkCreateGraphicsPipelines", "vkCreateComputePipelines", "vkDestroyPipeline", "vkCreatePipelineLayout",
					"vkDestroyPipelineLayout", "vkCreateSampler", "vkDestroySampler", "vkCreateDescriptorSetLayout", "vkDestroyDescriptorSetLayout", "vkCreateDescriptorPool", "vkDestroyDescriptorPool",
					"vkResetDescriptorPool", "vkAllocateDescriptorSets", "vkFreeDescriptorSets", "vkUpdateDescriptorSets", "vkCreateFramebuffer", "vkDestroyFramebuffer", "vkCreateRenderPass", "vkDestroyRenderPass",
					"vkGetRenderAreaGranularity", "vkCreateCommandPool", "vkDestroyCommandPool", "vkResetCommandPool", "vkAllocateCommandBuffers", "vkFreeCommandBuffers", "vkBeginCommandBuffer", "vkEndCommandBuffer",
					"vkResetCommandBuffer", "vkCmdBindPipeline", "vkCmdSetViewport", "vkCmdSetScissor", "vkCmdSetLineWidth", "vkCmdSetDepthBias", "vkCmdSetBlendConstants", "vkCmdSetDepthBounds",
					"vkCmdSetStencilCompareMask", "vkCmdSetStencilWriteMask", "vkCmdSetStencilReference", "vkCmdBindDescriptorSets", "vkCmdBindIndexBuffer", "vkCmdBindVertexBuffers", "vkCmdDraw", "vkCmdDrawIndexed",
					"vkCmdDrawIndirect", "vkCmdDrawIndexedIndirect", "vkCmdDispatch", "vkCmdDispatchIndirect", "vkCmdCopyBuffer", "vkCmdCopyImage", "vkCmdBlitImage", "vkCmdCopyBufferToImage", "vkCmdCopyImageToBuffer",
					"vkCmdUpdateBuffer", "vkCmdFillBuffer", "vkCmdClearColorImage", "vkCmdClearDepthStencilImage", "vkCmdClearAttachments", "vkCmdResolveImage", "vkCmdSetEvent", "vkCmdResetEvent", "vkCmdWaitEvents",
					"vkCmdPipelineBarrier", "vkCmdBeginQuery", "vkCmdEndQuery", "vkCmdResetQueryPool", "vkCmdWriteTimestamp", "vkCmdCopyQueryPoolResults", "vkCmdPushConstants", "vkCmdBeginRenderPass", "vkCmdNextSubpass",
					"vkCmdEndRenderPass", "vkCmdExecuteCommands"
				};

				size_t size = KIERO_ARRAY_SIZE(methodsNames);

				g_methodsTable = (uint150_t*)::calloc(size, sizeof(uint150_t));

				for (int i = 0; i < size; i++)
				{
					g_methodsTable[i] = (uint150_t)::GetProcAddress(libVulkan, methodsNames[i]);
				}

#if KIERO_USE_MINHOOK
				MH_Initialize();
#endif

				g_renderType = RenderType::Vulkan;

				return Status::Success;
#endif
			}

			return Status::NotSupportedError;
		}
		else
		{
			RenderType::Enum type = RenderType::None;

			if (::GetModuleHandle(KIERO_TEXT("d3d9.dll")) != NULL)
			{
				type = RenderType::D3D9;
			}
			else if (::GetModuleHandle(KIERO_TEXT("d3d10.dll")) != NULL)
			{
				type = RenderType::D3D10;
			}
			else if (::GetModuleHandle(KIERO_TEXT("d3d11.dll")) != NULL)
			{
				type = RenderType::D3D11;
			}
			else if (::GetModuleHandle(KIERO_TEXT("d3d12.dll")) != NULL)
			{
				type = RenderType::D3D12;
			}
			else if (::GetModuleHandle(KIERO_TEXT("opengl32.dll")) != NULL)
			{
				type = RenderType::OpenGL;
			}
			else if (::GetModuleHandle(KIERO_TEXT("vulkan-1.dll")) != NULL)
			{
				type = RenderType::Vulkan;
			}
			else
			{
				return Status::NotSupportedError;
			}

			return init(type);
		}
	}

	return Status::Success;
}

void kiero::shutdown()
{
	if (g_renderType != RenderType::None)
	{
#if KIERO_USE_MINHOOK
		MH_DisableHook(MH_ALL_HOOKS);
#endif

		::free(g_methodsTable);
		g_methodsTable = NULL;
		g_renderType = RenderType::None;
	}
}

kiero::Status::Enum kiero::bind(uint16_t _index, void** _original, void* _function)
{
	// TODO: Need own detour function

	assert(_original != NULL && _function != NULL);

	if (g_renderType != RenderType::None)
	{
#if KIERO_USE_MINHOOK
		void* target = (void*)g_methodsTable[_index];
		if (MH_CreateHook(target, _function, _original) != MH_OK || MH_EnableHook(target) != MH_OK)
		{
			return Status::UnknownError;
		}
#endif

		return Status::Success;
	}

	return Status::NotInitializedError;
}

void kiero::unbind(uint16_t _index)
{
	if (g_renderType != RenderType::None)
	{
#if KIERO_USE_MINHOOK
		MH_DisableHook((void*)g_methodsTable[_index]);
#endif
	}
}

kiero::RenderType::Enum kiero::getRenderType()
{
	return g_renderType;
}

uint150_t* kiero::getMethodsTable()
{
	return g_methodsTable;
}