mirror of
https://github.com/jmarshall23/Hellfire.git
synced 2026-08-12 07:50:53 +02:00
Justin Marshall
109 lines
2.9 KiB
C++
109 lines
2.9 KiB
C++
#include "DirectDrawWrapper.h"
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#include "resource.h"
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#include <stdio.h>
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#include <math.h>
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// Main thread ddrawwrapper object
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IDirectDrawWrapper *lpDD = NULL;
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// Original setcursorpos function pointer
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static BOOL (WINAPI *TrueSetCursorPos)(int,int) = SetCursorPos;
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static HMODULE (WINAPI *TrueLoadLibraryA)(LPCSTR) = GetModuleHandleA;
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// Are we in the settings menu
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BOOL inMenu;
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// Dll start time
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DWORD start_time;
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// The level of debug to display
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int debugLevel;
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//debug display mode (-1 = none, 0 = console, 1 = file)
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int debugDisplay;
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//the debug file handle
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FILE *debugFile;
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// Dll hmodule
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HMODULE hMod;
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/* Helper function for throwing debug/error messages
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*
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* int level - Debug level
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* char *location - Message location
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* char *message - Message
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*/
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void debugMessage(int level, char *location, char *message)
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{
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// If above the current level then skip totally
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if(level > debugLevel) return;
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// Calculate HMS
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DWORD cur_time = GetTickCount() - start_time;
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long hours = (long)floor((double)cur_time / (double)3600000.0);
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cur_time -= (hours * 3600000);
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int minutes = (int)floor((double)cur_time / (double)60000.0);
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cur_time -= (minutes * 60000);
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double seconds = (double)cur_time / (double)1000.0;
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// Build error message
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char text[4096] = "\0";
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if(level == 0)
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{
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sprintf_s(text, 4096, "%d:%d:%#.1f ERR %s %s\n", hours, minutes, seconds, location, message);
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}
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else if(level == 1)
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{
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sprintf_s(text, 4096, "%d:%d:%#.1f WRN %s %s\n", hours, minutes, seconds, location, message);
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}
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else if(level == 2)
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{
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sprintf_s(text, 4096, "%d:%d:%#.1f INF %s %s\n", hours, minutes, seconds, location, message);
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}
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// Output and flush
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printf_s(text);
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fflush(stdout);
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}
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// Override function for cursor position
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BOOL WINAPI OverrideSetCursorPos(int X, int Y)
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{
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// If ddraw object exists and windowed mode
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if(lpDD != NULL && lpDD->isWindowed)
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{
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// X,Y are relative to client area within the code
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// Get client area location
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POINT cpos;
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cpos.x = 0;
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cpos.y = 0;
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ClientToScreen(lpDD->hWnd, &cpos);
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// Calculate correct cursor offset and move
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BOOL res = TrueSetCursorPos(cpos.x + X, cpos.y + Y);
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return res;
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}
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return TrueSetCursorPos(X, Y);
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}
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// Override function for load library
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/*HMODULE WINAPI OverrideLoadLibraryA(LPCSTR lpModuleName)
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{
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printf_s("%s\n", lpModuleName);
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return TrueLoadLibraryA(lpModuleName);
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}*/
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// Emulated direct draw create
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extern "C" BOOL APIENTRY SDirectDrawCreate(GUID FAR* lpGUID, LPDIRECTDRAW FAR* lplpDD, IUnknown FAR* pUnkOuter)
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{
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// Create directdraw object
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lpDD = new IDirectDrawWrapper();
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if(lpDD == NULL)
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{
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debugMessage(0, "DirectDrawCreate", "Failed to create IDirectDrawWrapper.");
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return DDERR_OUTOFMEMORY; // Simulate OOM error
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}
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// Set return pointer to the newly created DirectDrawWrapper interface
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*lplpDD = (LPDIRECTDRAW)lpDD;
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lpDD->WrapperInitialize(NULL, GetModuleHandleA(NULL));
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// Return success
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return DD_OK;
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} |