84 lines
1.8 KiB
C++
84 lines
1.8 KiB
C++
#define _CRT_SECURE_NO_WARNINGS
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#include <stdio.h>
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#include <windows.h>
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#include "../d3d8-api/d3d8.h"
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#include "get-graphics-offsets.h"
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typedef IDirect3D8 *(WINAPI *d3d8create_t)(UINT);
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struct d3d8_info {
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HMODULE module;
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HWND hwnd;
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IDirect3D8 *d3d8;
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IDirect3DDevice8 *device;
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};
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static inline bool d3d8_init(d3d8_info &info)
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{
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d3d8create_t create;
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HRESULT hr;
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info.hwnd = CreateWindowExA(0, DUMMY_WNDCLASS, "d3d8 get-addr window",
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WS_POPUP, 0, 0, 1, 1, nullptr, nullptr,
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GetModuleHandleA(nullptr), nullptr);
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if (!info.hwnd) {
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return false;
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}
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info.module = LoadLibraryA("d3d8.dll");
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if (!info.module) {
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return false;
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}
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create = (d3d8create_t)GetProcAddress(info.module, "Direct3DCreate8");
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if (!create) {
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return false;
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}
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info.d3d8 = create(D3D_SDK_VERSION);
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if (!info.d3d8) {
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return false;
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}
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D3DPRESENT_PARAMETERS pp = {};
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pp.Windowed = true;
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pp.SwapEffect = D3DSWAPEFFECT_FLIP;
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pp.BackBufferFormat = D3DFMT_A8R8G8B8;
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pp.BackBufferWidth = 2;
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pp.BackBufferHeight = 2;
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pp.BackBufferCount = 1;
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pp.hDeviceWindow = info.hwnd;
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hr = info.d3d8->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
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info.hwnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &pp,
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&info.device);
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if (FAILED(hr)) {
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return false;
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}
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return true;
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}
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static inline void d3d8_free(d3d8_info &info)
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{
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if (info.device)
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info.device->Release();
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if (info.d3d8)
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info.d3d8->Release();
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if (info.hwnd)
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DestroyWindow(info.hwnd);
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}
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void get_d3d8_offsets(struct d3d8_offsets *offsets)
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{
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d3d8_info info = {};
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bool success = d3d8_init(info);
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if (success) {
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offsets->present = vtable_offset(info.module, info.device, 15);
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offsets->reset = vtable_offset(info.module, info.device, 14);
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}
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d3d8_free(info);
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}
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