thirdparty/scummvm
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Another try at zak copy protection bypass.

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svn-id: r11295
This commit is contained in:
Travis Howell 2003-11-14 11:26:18 +00:00
parent 2658021292
commit 183b822629
1 changed files with 13 additions and 1 deletions
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14
scumm/script_v2.cpp
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@ -548,6 +548,10 @@ void ScummEngine_v2::o2_setBitVar() {
}
#ifndef BYPASS_COPY_PROT
#define BYPASS_COPY_PROT
#endif
void ScummEngine_v2::o2_getBitVar() {
getResultPos();
int var = fetchScriptWord();
@ -557,7 +561,15 @@ void ScummEngine_v2::o2_getBitVar() {
int bit_offset = bit_var & 0x0f;
bit_var >>= 4;
setResult((_scummVars[bit_var] & (1 << bit_offset)) ? 1 : 0);
#if defined(BYPASS_COPY_PROT)
// The Enchanced version of Zak McKracken included in the
// SelectWare Classic Collection bundle has no copy protection
// and doesn't include the codes.
if (_gameId == GID_ZAK && var == 1467)
setResult(0);
else
#endif
setResult((_scummVars[bit_var] & (1 << bit_offset)) ? 1 : 0);
}
void ScummEngine_v2::ifStateCommon(byte type) {