<![CDATA[#include <process.h>
#include <conio.h>
#include <stdio.h>
#include <fcntl.h>
#include <io.h>
#include <sys\types.h>
#include <sys\stat.h>
main ()
{
int fil;
long fileng, offs;
unsigned char ch, tempbuf[5];
puts("DUKSNDFX for Duke Nukem 3D by Kenneth Silverman (04/20/2000)");
puts("");
puts("This program fixes a sound crashing bug in DUKE3D.EXE that occurs on newer");
puts(" (PCI?) sound cards. If the game crashes immediately upon entering");
puts(" Volume 1, Level 4 (as well as many other places), then you've found the");
puts(" right program!");
puts("");
puts("Please note: Currently, this program supports ONLY these versions of Duke3D:");
puts(" v1.0 Shareware");
puts(" v1.3D Shareware");
puts(" v1.3D Registered");
puts(" v1.5 Atomic Edition");
puts("");
puts("Also, be aware that as a side effect, reverberation will be disabled.");
puts("");
puts("Do you want to continue with patching DUKE3D.EXE? (Y/N)");
do
{
ch = getch();
} while ((ch != 'n') && (ch != 'N') && (ch != 'y') && (ch != 'Y') && (ch != 27));
if ((ch == 'n') || (ch == 'N') || (ch == 27))
{
puts("Operation aborted");
exit(0);
}
// DUKE3D.EXE version: filesize: offset:
// 1.0 Shareware 1066391 0x74A29
// 1.1 Shareware ? ?
// 1.2 Shareware ? ?
// 1.3D Shareware 1178963 0x89090
// 1.3D Registered 1179131 0x89040
// 1.4 Plutonium Pack ? ?
// 1.5 Atomic Edition 1246231 0x8FE51
// ? Walmart?
// ? Australian?
if ((fil = open("DUKE3D.EXE",O_BINARY|O_RDWR,S_IREAD)) == -1)
{ puts("ERROR 1: Can't read DUKE3D.EXE: Make sure it is in the current directory."); exit(0); }
fileng = filelength(fil);
switch(fileng)
{
case 1066391: offs = 0x74a29; break;
case 1178963: offs = 0x89090; break;
case 1179131: offs = 0x89040; break;
case 1246231: offs = 0x8fe51; break;
default: puts("ERROR 2: DUKE3D.EXE unrecognized or not currently supported."); exit(0);
}
lseek(fil,offs,SEEK_SET);
read(fil,tempbuf,5);
close(fil);
if ((tempbuf[0] == 0xb8) && (tempbuf[1] == 0x00) && (tempbuf[2] == 0x00) &&
(tempbuf[3] == 0x00) && (tempbuf[4] == 0x00))
{
puts("This sound patch has already been applied to DUKE3D.EXE. :)");
exit(0);
}
if ((tempbuf[0] != 0x2d) || (tempbuf[1] != 0xe8) || (tempbuf[2] != 0x03) ||
(tempbuf[3] != 0x00) || (tempbuf[4] != 0x00))
{
puts("ERROR 3: DUKE3D.EXE unrecognized, or not currently supported.");
exit(0);
}
//Actually modify the exe here:
if ((fil = open("DUKE3D.EXE",O_BINARY|O_RDWR,S_IWRITE)) == -1)
{ puts("ERROR 4: Can't write to DUKE3D.EXE: Make sure it has write priviledges."); exit(0); }
lseek(fil,offs,SEEK_SET);
tempbuf[0] = 0xb8; tempbuf[1] = tempbuf[2] = tempbuf[3] = tempbuf[4] = 0;
write(fil,tempbuf,5);
close(fil);
puts("SUCCESS! DUKE3D.EXE has been patched to prevent the sound crashing bug.");
}
]]>