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Implement xpisland990_elevcombo which allows you to free Catherine.

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svn-id: r48072
This commit is contained in:
Matthew Hoops 2010-02-16 17:32:17 +00:00
parent b54724a778
commit 5e24974ad5
1 changed files with 21 additions and 2 deletions
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23
engines/mohawk/riven_external.cpp
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@ -1201,10 +1201,29 @@ void RivenExternal::xgwatch(uint16 argc, uint16 *argv) {
// pspit (Prison Island) external commands
// ------------------------------------------------------------------------------------
// Yeah, none of these are done yet :P
static uint16 getComboDigit(uint32 correctCombo, uint32 digitsCorrect) {
static const uint32 powers[] = { 100000, 10000, 1000, 100, 10, 1 };
return (correctCombo % powers[digitsCorrect]) / powers[digitsCorrect + 1];
}
void RivenExternal::xpisland990_elevcombo(uint16 argc, uint16 *argv) {
// TODO: Elevator combo check
// Play button sound based on argv[0]
_vm->_sound->playSound(argv[0] + 5, false);
// It is impossible to get here if Gehn is not trapped. However,
// the original also disallows brute forcing the ending if you have
// not yet trapped Gehn.
if (*_vm->matchVarToString("agehn") != 4)
return;
uint32 *correctDigits = _vm->matchVarToString("pelevcombo");
// pelevcombo keeps count of how many buttons we have pressed in the correct order.
// When pelevcombo is 5, clicking the handle will show the video freeing Catherine.
if (argv[0] == getComboDigit(*_vm->matchVarToString("pcorrectorder"), *correctDigits))
*correctDigits += 1;
else
*correctDigits = 0;
}
void RivenExternal::xpscpbtn(uint16 argc, uint16 *argv) {