mirror of
https://github.com/GameHackingBook/GameHackingCode
synced 2026-06-08 11:08:54 +00:00
Nick Cano
110 lines
3.5 KiB
C++
110 lines
3.5 KiB
C++
#pragma once
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#pragma once
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <mmsystem.h>
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#pragma comment(lib, "winmm.lib")
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#include <stdio.h>
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#include <fstream>
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#include <d3d9.h>
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#include <d3dx9.h>
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#pragma comment(lib, "d3d9.lib")
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#pragma comment(lib, "d3dx9.lib")
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#include <vector>
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#define DX_API HRESULT WINAPI
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typedef HRESULT (WINAPI* _reset)(LPDIRECT3DDEVICE9 pDevice, D3DPRESENT_PARAMETERS* pPresentationParameters);
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typedef HRESULT (WINAPI* _endScene)(LPDIRECT3DDEVICE9 pDevice);
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typedef HRESULT (WINAPI* _drawPrimitive)(LPDIRECT3DDEVICE9 pDevice, D3DPRIMITIVETYPE PrimitiveType, UINT StartVertex, UINT PrimitiveCount);
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typedef HRESULT (WINAPI* _drawIndexedPrimitive)(LPDIRECT3DDEVICE9 pDevice, D3DPRIMITIVETYPE PrimType, INT BaseVertexIndex, UINT MinVertexIndex, UINT NumVertices, UINT startIndex, UINT primCount);
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class DirectXHook;
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typedef void (*_drawFrameCallback)(DirectXHook* hook, LPDIRECT3DDEVICE9 pDevice);
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typedef void (*_drawPrimitiveCallback)(DirectXHook* hook, LPDIRECT3DDEVICE9 pDevice, D3DPRIMITIVETYPE PrimitiveType, UINT StartVertex, UINT PrimitiveCount);
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typedef void (*_drawIndexedPrimitiveCallback)(DirectXHook* hook, LPDIRECT3DDEVICE9 device, D3DPRIMITIVETYPE primType, INT baseVertexIndex, UINT minVertexIndex, UINT numVertices, UINT startIndex, UINT primCount);
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class DirectXHook
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{
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public:
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static _reset origReset;
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static _endScene origEndScene;
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static _drawPrimitive origDrawPrimitive;
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static _drawIndexedPrimitive origDrawIndexedPrimitive;
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static DirectXHook* getInstance()
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{
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if (!DirectXHook::instance)
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DirectXHook::instance = new DirectXHook();
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return DirectXHook::instance;
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}
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static void deleteInstance()
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{
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if (DirectXHook::instance)
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{
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delete DirectXHook::instance;
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DirectXHook::instance = NULL;
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}
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}
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void initialize();
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void addDrawFrameCallback(_drawFrameCallback cb);
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void addDrawPrimitiveCallback(_drawPrimitiveCallback cb);
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void addDrawIndexedPrimitiveCallback(_drawIndexedPrimitiveCallback cb);
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LPDIRECT3DTEXTURE9 addTexture(std::wstring imagePath);
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int addSpriteImage(std::wstring imagePath);
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void drawText(int x, int y, D3DCOLOR color, const char *text, ...);
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void drawSpriteImage(int imageID, int x, int y, int w, int h);
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DWORD initHookCallback(LPDIRECT3DDEVICE9 device);
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DX_API resetHookCallback(LPDIRECT3DDEVICE9 pDevice, D3DPRESENT_PARAMETERS* pPresentationParameters);
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DX_API endSceneHookCallback(LPDIRECT3DDEVICE9 pDevice);
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DX_API drawPrimitiveHookCallback(LPDIRECT3DDEVICE9 pDevice, D3DPRIMITIVETYPE PrimitiveType, UINT StartVertex, UINT PrimitiveCount);
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DX_API drawIndexedPrimitiveHookCallback(LPDIRECT3DDEVICE9 pDevice, D3DPRIMITIVETYPE PrimType, INT BaseVertexIndex, UINT MinVertexIndex, UINT NumVertices, UINT startIndex, UINT primCount);
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private:
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DirectXHook(void) {};
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~DirectXHook(void) {};
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static DirectXHook* instance;
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static unsigned char* originalEndSceneCode;
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static DWORD endSceneAddress;
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static LPDIRECT3DDEVICE9 hookedDevice;
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static bool hookReadyPre, hookReady;
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std::vector<_drawFrameCallback> drawFrameCallbacks;
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std::vector<_drawPrimitiveCallback> drawPrimitiveCallbacks;
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std::vector<_drawIndexedPrimitiveCallback> drawIndexedPrimitiveCallbacks;
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std::vector<LPDIRECT3DTEXTURE9> imageBitmaps;
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std::vector<D3DSURFACE_DESC> imageDescriptions;
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std::vector<LPD3DXSPRITE> imageSprites;
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LPD3DXFONT font;
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void onLostDevice();
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void placeHooks();
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DWORD locateEndScene();
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struct VFHookInfo
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{
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VFHookInfo(DWORD _index, DWORD cb, DWORD* _origFunc) : index(_index), callback(cb), origFunc(_origFunc) {}
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DWORD index, callback;
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DWORD* origFunc;
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};
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};
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