source: Daodan/src/Daodan.c@ 346

#include <string.h>

#include "Daodan.h"
#include "Daodan_Patch.h"
#include "Daodan_Utility.h"
#include "Daodan_Win32.h"
#include "Daodan_Cheater.h"
#include "Daodan_Persistence.h"

#include "Oni.h"
#include "Oni_Persistence.h"

#include "BFW_Utility.h"

#include "oni_gl.h"
#include "daodan_gl.h"

#include "inifile.h"

HMODULE DDrDLLModule;
HMODULE DDrONiModule;

bool DDrPatch_Init()
{
        DDrStartupMessage("patching engine");
        
        // Font texture cache doubled
        DDrPatch_Byte  (OniExe + 0x00020ea7, 0x20);
        DDrPatch_Byte  (OniExe + 0x00020f4a, 0x40);
        
        // Now supports textures up to 512x512
        DDrPatch_Byte  (OniExe + 0x00005251, 0x10);
        
        // Non-"_Final" levels are now valid
        DDrPatch_Byte  (OniExe + 0x000206a8, 0x01);
        
        // Pathfinding grid cache size x8
        DDrPatch_Byte  (OniExe + 0x0010b03b, 0x20);
        DDrPatch_Byte  (OniExe + 0x0010b04c, 0x20);
        
        // Projectile awareness fixed
        DDrPatch_Byte  (OniExe + 0x0009c07c, 0x6c);
        DDrPatch_Byte  (OniExe + 0x0009c080, 0x70);
        DDrPatch_Byte  (OniExe + 0x0009c084, 0x74);
        DDrPatch_Byte  (OniExe + 0x0009c110, 0x6c);
        
        // Forced DirectInput (for Windows NT)
        DDrPatch_Byte  (OniExe + 0x00002e6d, 0xeb);
        
        // Makes wp_fadetime actually have a function
        const char fadetime_patch[] = { 0x66, 0x8B, 0x1D, 0xC4, 0x7D, 0x62, 0x00, 0x66, 0x89, 0x5E, 0x46, 0x5B, 0x5E, 0x83, 0xC4, 0x14, 0xC3 };
        DDrPatch_Const (OniExe + 0x0011a889, fadetime_patch);
        DDrPatch_Byte  (OniExe + 0x0011a560, 0x31);
        
        // Sets the fadetime to 4800 by default
        DDrPatch_Int16 (OniExe + 0x0011ab0e, 0x12c0);
        
        
        // Hackish fix for Konoko not kicking guns
//      const char kickgun_patch[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0xC7, 0x05, 0x1C, 0xC9, 0x5E, 0x00, 0x70, 0xB8, 0x43, 0x00, 0xC7, 0x05, 0x20, 0xC9, 0x5E, 0x00, 0x20, 0xBE, 0x43 };
//      DDrPatch_Const (OniExe + 0x000dc420, kickgun_patch);
        
        // Cooldown timer exploit fix ^_^
        const char cooldown_patch[] = { 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 };
        DDrPatch_Const (OniExe + 0x0011a825, cooldown_patch);
        
//      const char throwtest_patch[] = { 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 };
//      DDrPatch_Const(OniExe + 0x000dc190, throwtest_patch);
        
        // Disable UUrPlatform_Initalize/Terminate, this enables the Alt-Tab and the Windows key but has the possible side effect of allowing the screensaver to enable itself in-game.
        DDrPatch_Byte  ((void*)UUrPlatform_Initialize, 0xC3);
        DDrPatch_Byte  ((void*)UUrPlatform_Terminate, 0xC3);
        
        // Unlocks particle action disabling/enabling bits for all events. (Will be controlled by a command line switch when I figure out how to do that without Win32 hacks.)
        //DDrPatch_Int16 (OniExe + 0x001b184, 0x9090);
        
        // Multi-byte patch (multiple language support)
        DDrPatch_Byte  (OniExe + 0x0002d8f8, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002d9ad, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002dbe2, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002dec3, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002e2ab, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002e2c4, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002e379, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002e48c, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002e4d0, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002e4f4, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002e646, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002e695, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002e944, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002e95d, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002e98e, 0xeb);
        DDrPatch_Byte  (OniExe + 0x0002e9dc, 0xeb);
        
        // Cheat table patch
        DDrPatch_Int32 (OniExe + 0x000f616b, (int)&DDr_CheatTable[0].name);
        DDrPatch_Int32 (OniExe + 0x000f617a, (int)&DDr_CheatTable[0].message_on);
        
        return true;
}

enum {s_unknown, s_language} ini_section;

bool DDrIniCallback(char* section, bool newsection, char* name, char* value)
{
        if (newsection)
        {
                if (!stricmp(section, "language"))
                        ini_section = s_language;
                else
                {
                        ini_section = s_unknown;
                        DDrStartupMessage("unrecognised ini section \"%s\"", section);
                }
        }
        
        switch (ini_section)
        {
                case s_language:
                        if (!stricmp(name, "savepoint"))
                        {
                                DDrPatch_StrDup(OniExe + 0x000fd730, value);
                                DDrPatch_StrDup(OniExe + 0x000fd738, value);
                        }
                        else if (!stricmp(name, "syndicatewarehouse"))
                        {
                                DDrPatch_StrDup(OniExe + 0x000fd71a, value);
                                DDrPatch_StrDup(OniExe + 0x0010ef75, value);
                        }
                        else if (!stricmp(name, "blam"))
                                DDrPatch_StrDup(OniExe + 0x0010fb73, value);
                        else
                                DDrStartupMessage("unrecognised language item \"%s\"", name);
                        break;
                default:
                        break;
        }
        
        return true;
}

void DDrConfig()
{
        if (GetFileAttributes("daodan.ini") == INVALID_FILE_ATTRIBUTES)
        {
                DDrStartupMessage("daodan.ini doesn't exist, creating");
                FILE* fp = fopen("daodan.ini", "w");
                if (fp)
                {
                        fputs("[Options]\n", fp);
                        fclose(fp);
                }
        }
        
        DDrStartupMessage("parsing daodan.ini...");
        if (!inifile_read("daodan.ini", DDrIniCallback))
                DDrStartupMessage("error reading daodan.ini, check your syntax!");
        DDrStartupMessage("finished parsing");
}

void __cdecl DDrMain(int argc, char* argv[])
{
        DDrStartupMessage("daodan attached!");
        DDrConfig();
        DDrPatch_Init();
        
        // Safe startup message printer
        DDrPatch_MakeJump(UUrStartupMessage, DDrStartupMessage);
        
        // Daodan device mode enumeration function
        DDrPatch_MakeJump(gl_enumerate_valid_display_modes, daodan_enumerate_valid_display_modes);
        
        // Performance patch
        DDrPatch_MakeJump(UUrMachineTime_High, DDrMachineTime_High);
        DDrPatch_MakeJump(UUrMachineTime_High_Frequency, DDrMachineTime_High_Frequency);
        DDrPatch_MakeJump(UUrMachineTime_Sixtieths, DDrMachineTime_Sixtieths);
        
        // Cheats always enabled
        DDrPatch_MakeJump(ONrPersist_GetWonGame, DDrPersist_GetWonGame);
        
        // Windowed mode
//      DDrPatch_MakeJump(ONrPlatform_Initialize, DDrPlatform_Initialize);
//      DDrPatch_MakeJump(gl_platform_initialize, daodangl_platform_initialize);
        
        init_daodan_gl();
        
        ONiMain(argc, argv);
}

BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved)
{
        switch (fdwReason)
        {
                case DLL_PROCESS_ATTACH:
                        DDrDLLModule = hinstDLL;
                        DDrONiModule = GetModuleHandle(NULL);
                        
                        DDrPatch_MakeCall(OniExe + 0x0010fb49, DDrMain);
                        
                        break;
        }
        return TRUE;
}