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Handle objects in opGetRotationToTile 

Fixes #302
This commit is contained in:
Alexander Batalov 2023-06-12 08:13:31 +03:00
parent 80b58bd174
commit 8d4057366e
1 changed files with 25 additions and 2 deletions
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27
src/interpreter_extra.cc
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@ -4663,8 +4663,31 @@ static void opGetPartyMember(Program* program)
// 0x45C6DC
static void opGetRotationToTile(Program* program)
{
int tile2 = programStackPopInteger(program);
int tile1 = programStackPopInteger(program);
// CE: There is a bug in Olympus (tgrdqest) - object is passed as one of the
// arguments instead of tile. Original game (x86) does not distinguish
// between integers and pointers, so one of the tiles is silently ignored
// while calculating rotation. As a workaround this opcode now accepts
// both integers and objects.
ProgramValue value2 = programStackPopValue(program);
ProgramValue value1 = programStackPopValue(program);
int tile2;
if (value2.isInt()) {
tile2 = value2.integerValue;
} else if (value2.isPointer()) {
tile2 = static_cast<Object*>(value2.pointerValue)->tile;
} else {
programFatalError("script error: %s: invalid arg 2 to rotation_to_tile", program->name);
}
int tile1;
if (value1.isInt()) {
tile1 = value1.integerValue;
} else if (value1.isPointer()) {
tile1 = static_cast<Object*>(value1.pointerValue)->tile;
} else {
programFatalError("script error: %s: invalid arg 1 to rotation_to_tile", program->name);
}
int rotation = tileGetRotationTo(tile1, tile2);
programStackPushInteger(program, rotation);