mirror of
https://github.com/isledecomp/LEGOIslandRebuilder.git
synced 2024-11-30 02:55:55 -05:00
115 lines
4.1 KiB
C++
115 lines
4.1 KiB
C++
#include "hooks.h"
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#include <STDIO.H>
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#include "util.h"
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void InterceptOutputDebugStringA(LPCSTR s)
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{
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printf("%s\n", s);
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MessageBoxA(0,s,"LEGO Island sez",0);
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}
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HWND WINAPI InterceptCreateWindowExA(DWORD dwExStyle, LPCSTR lpClassName, LPCSTR lpWindowName, DWORD dwStyle, int X, int Y, int nWidth, int nHeight, HWND hWndParent, HMENU hMenu, HINSTANCE hInstance, LPVOID lpParam)
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{
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HWND window = CreateWindowExA(dwExStyle, lpClassName, "LEGO Island: Rebuilt", dwStyle, X, Y, nWidth, nHeight, hWndParent, hMenu, hInstance, lpParam);
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return window;
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}
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HWND WINAPI InterceptFindWindowA(LPCSTR lpClassName, LPCSTR lpWindowName)
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{
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return NULL;
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}
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void ForceDDPixelFormatTo16(LPDDPIXELFORMAT lpDDPixelFormat)
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{
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if (lpDDPixelFormat->dwRGBBitCount == 32) {
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lpDDPixelFormat->dwRGBBitCount = 16;
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lpDDPixelFormat->dwRBitMask = 0xF800;
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lpDDPixelFormat->dwGBitMask = 0x07E0;
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lpDDPixelFormat->dwBBitMask = 0x001F;
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}
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}
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void ForceDDSurfaceDescTo16(LPDDSURFACEDESC lpDDSurfaceDesc)
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{
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DDPIXELFORMAT &pixfmt = lpDDSurfaceDesc->ddpfPixelFormat;
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if (pixfmt.dwRGBBitCount == 32) {
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// LEGO Island has no support for 32-bit surfaces, so we tell it we're on a 16-bit surface
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lpDDSurfaceDesc->lPitch /= 2;
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ForceDDPixelFormatTo16(&pixfmt);
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}
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}
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typedef HRESULT (WINAPI *ddSurfaceGetDescFunction)(LPDIRECTDRAWSURFACE lpDDSurface, LPDDSURFACEDESC lpDDSurfaceDesc);
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ddSurfaceGetDescFunction originalDDSurfaceGetDescFunction = NULL;
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HRESULT WINAPI InterceptSurfaceGetDesc(LPDIRECTDRAWSURFACE lpDDSurface, LPDDSURFACEDESC lpDDSurfaceDesc)
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{
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HRESULT res = originalDDSurfaceGetDescFunction(lpDDSurface, lpDDSurfaceDesc);
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if (res == DD_OK) {
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ForceDDSurfaceDescTo16(lpDDSurfaceDesc);
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}
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return res;
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}
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typedef HRESULT (WINAPI *ddSurfaceGetPixelFormatFunction)(LPDIRECTDRAWSURFACE lpDDSurface, LPDDPIXELFORMAT lpDDPixelFormat);
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ddSurfaceGetPixelFormatFunction originalDDSurfaceGetPixelFunction = NULL;
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HRESULT WINAPI InterceptSurfaceGetPixelFormatFunction(LPDIRECTDRAWSURFACE lpDDSurface, LPDDPIXELFORMAT lpDDPixelFormat)
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{
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HRESULT res = originalDDSurfaceGetPixelFunction(lpDDSurface, lpDDPixelFormat);
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if (res == DD_OK) {
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//ForceDDPixelFormatTo16(lpDDPixelFormat);
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}
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return res;
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}
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typedef HRESULT (WINAPI *ddCreateSurfaceFunction)(LPDIRECTDRAW lpDD, LPDDSURFACEDESC lpDDSurfaceDesc, LPDIRECTDRAWSURFACE *lplpDDSurface, IUnknown *unknown);
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ddCreateSurfaceFunction originalCreateSurfaceFunction = NULL;
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HRESULT WINAPI InterceptCreateSurface(LPDIRECTDRAW lpDD, LPDDSURFACEDESC lpDDSurfaceDesc, LPDIRECTDRAWSURFACE *lplpDDSurface, IUnknown *unknown)
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{
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//ForceDDSurfaceDescTo16(lpDDSurfaceDesc);
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HRESULT res = originalCreateSurfaceFunction(lpDD, lpDDSurfaceDesc, lplpDDSurface, unknown);
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if (res == DD_OK) {
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if (!originalDDSurfaceGetPixelFunction) {
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originalDDSurfaceGetPixelFunction = (ddSurfaceGetPixelFormatFunction)OverwriteVirtualTable(*lplpDDSurface, 0x15, (LPVOID)InterceptSurfaceGetPixelFormatFunction);
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}
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if (!originalDDSurfaceGetDescFunction) {
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//originalDDSurfaceGetDescFunction = (ddSurfaceGetDescFunction)OverwriteVirtualTable(*lplpDDSurface, 0x16, (LPVOID)InterceptSurfaceGetDesc);
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originalDDSurfaceGetDescFunction = (ddSurfaceGetDescFunction)OverwriteVirtualTable(*lplpDDSurface, 0x16, NULL);
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}
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}
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return res;
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}
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typedef HRESULT (WINAPI *ddGetDisplayModeFunction)(LPDIRECTDRAW lpDD, LPDDSURFACEDESC lpDDSurfaceDesc);
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ddGetDisplayModeFunction originalGetDisplayMode = NULL;
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HRESULT WINAPI InterceptGetDisplayMode(LPDIRECTDRAW lpDD, LPDDSURFACEDESC lpDDSurfaceDesc)
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{
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HRESULT res = originalGetDisplayMode(lpDD, lpDDSurfaceDesc);
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//ForceDDSurfaceDescTo16(lpDDSurfaceDesc);
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return res;
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}
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ddCreateFunction ddCreateOriginal = NULL;
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HRESULT WINAPI InterceptDirectDrawCreate(GUID *lpGUID, LPDIRECTDRAW *lplpDD, IUnknown *pUnkOuter)
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{
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HRESULT res = ddCreateOriginal(lpGUID, lplpDD, pUnkOuter);
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if (res == DD_OK && !originalGetDisplayMode) {
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originalGetDisplayMode = (ddGetDisplayModeFunction)OverwriteVirtualTable(*lplpDD, 0xC, (LPVOID)InterceptGetDisplayMode);
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originalCreateSurfaceFunction = (ddCreateSurfaceFunction)OverwriteVirtualTable(*lplpDD, 0x6, (LPVOID)InterceptCreateSurface);
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}
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return res;
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}
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