steam-frame/bearstonem--openmohaa-vr
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Code Issues Packages Projects Releases 2 Wiki Activity

Fixed variables improperly used on stack under some circumstances

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smallmodel committed 2023-08-13 20:17:59 +02:00
1 parent ec58ca0f13
commit 8b17d81545
2 files changed
+31 -10
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code/script/scriptvm.cpp
+29 -9
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@@ -448,6 +448,28 @@ ScriptVariable *ScriptVM::storeTopInternal(Listener *listener)
return listenerVar;
}
void ScriptVM::loadStoreTop(Listener* listener)
{
const const_str variable = fetchOpcodeValue<op_name_t>();
if (!executeSetter(listener, variable)) {
// just set the variable
const uintptr_t varIndex = m_VMStack.GetIndex();
ScriptVariable& pTop = m_VMStack.GetTop();
if (varIndex < m_VMStack.GetStackSize()) {
ScriptVariable* const listenerVar = m_VMStack.GetListenerVar(varIndex);
if (!listenerVar || listenerVar->GetKey() != short3(variable)) {
listener->Vars()->SetVariable(variable, pTop);
} else {
*listenerVar = pTop;
}
}
else {
listener->Vars()->SetVariable(variable, pTop);
}
}
}
template<>
void ScriptVM::loadTop<false>(Listener *listener)
{
@@ -472,8 +494,6 @@ ScriptVariable *ScriptVM::storeTop<false>(Listener *listener)
template<>
ScriptVariable *ScriptVM::storeTop<true>(Listener *listener)
{
m_VMStack.Push();
return storeTopInternal(listener);
}
@@ -1384,19 +1404,19 @@ void ScriptVM::Execute(ScriptVariable *data, int dataSize, str label)
break;
case OP_LOAD_STORE_GAME_VAR:
loadTop<true>(&game);
loadStoreTop(&game);
break;
case OP_LOAD_STORE_GROUP_VAR:
loadTop<true>(m_ScriptClass);
loadStoreTop(m_ScriptClass);
break;
case OP_LOAD_STORE_LEVEL_VAR:
loadTop<true>(&level);
loadStoreTop(&level);
break;
case OP_LOAD_STORE_LOCAL_VAR:
loadTop<true>(m_Thread);
loadStoreTop(m_Thread);
break;
case OP_LOAD_STORE_OWNER_VAR:
@@ -1410,11 +1430,11 @@ void ScriptVM::Execute(ScriptVariable *data, int dataSize, str label)
ScriptError("self.owner is NULL");
}
loadTop<true>(m_ScriptClass->m_Self->GetScriptOwner());
loadStoreTop(m_ScriptClass->m_Self->GetScriptOwner());
break;
case OP_LOAD_STORE_PARM_VAR:
loadTop<true>(&parm);
loadStoreTop(&parm);
break;
case OP_LOAD_STORE_SELF_VAR:
@@ -1422,7 +1442,7 @@ void ScriptVM::Execute(ScriptVariable *data, int dataSize, str label)
ScriptError("self is NULL");
}
loadTop<true>(m_ScriptClass->m_Self);
loadStoreTop(m_ScriptClass->m_Self);
break;
case OP_MARK_STACK_POS: