static bool GetVariable_Execute(COMMAND_ARGS, UInt32 whichAction)
{
char varName[256] = { 0 };
TESQuest* quest = NULL;
Script* targetScript = NULL;
ScriptEventList* targetEventList = NULL;
*result = 0;
if (!ExtractArgs(paramInfo, arg1, opcodeOffsetPtr, thisObj, arg3, scriptObj, eventList, &varName, &quest))
return true;
if (quest)
{
TESScriptableForm* scriptable = (TESScriptableForm*)Oblivion_DynamicCast(quest, 0, RTTI_TESQuest, RTTI_TESScriptableForm, 0);
targetScript = scriptable->script;
targetEventList = quest->scriptEventList;
}
else if (thisObj)
{
TESScriptableForm* scriptable = (TESScriptableForm*)Oblivion_DynamicCast(thisObj->baseForm, 0, RTTI_TESForm, RTTI_TESScriptableForm, 0);
if (scriptable)
{
targetScript = scriptable->script;
targetEventList = thisObj->GetEventList();
}
}
if (targetScript && targetEventList)
{
Script::VariableInfo* varInfo = targetScript->GetVariableByName(varName);
if (whichAction == eScriptVar_Has)
return varInfo ? true : false;
else if (varInfo)
{
ScriptEventList::Var* var = targetEventList->GetVariable(varInfo->idx);
if (var)
{
if (whichAction == eScriptVar_Get)
*result = var->data;
else if (whichAction == eScriptVar_GetRef)
{
UInt32* refResult = (UInt32*)result;
*refResult = (*(UInt64*)&var->data);
}
return true;
}
}
}
return false;
}
Token_Type ScriptToken::ReadFrom(ExpressionEvaluator* context)
{
UInt8 typeCode = context->ReadByte();
switch (typeCode)
{
case 'B':
case 'b':
type = kTokenType_Number;
value.num = context->ReadByte();
break;
case 'I':
case 'i':
type = kTokenType_Number;
value.num = context->Read16();
break;
case 'L':
case 'l':
type = kTokenType_Number;
value.num = context->Read32();
break;
case 'Z':
type = kTokenType_Number;
value.num = context->ReadFloat();
break;
case 'S':
{
type = kTokenType_String;
value.str = context->ReadString();
break;
}
case 'R':
type = kTokenType_Ref;
refIdx = context->Read16();
value.refVar = context->script->GetVariable(refIdx);
if (!value.refVar)
type = kTokenType_Invalid;
else
{
type = kTokenType_Form;
value.refVar->Resolve(context->eventList);
value.formID = value.refVar->form ? value.refVar->form->refID : 0;
}
break;
case 'G':
{
type = kTokenType_Global;
refIdx = context->Read16();
Script::RefVariable* refVar = context->script->GetVariable(refIdx);
if (!refVar)
{
type = kTokenType_Invalid;
break;
}
refVar->Resolve(context->eventList);
value.global = OBLIVION_CAST(refVar->form, TESForm, TESGlobal);
if (!value.global)
type = kTokenType_Invalid;
break;
}
case 'X':
{
type = kTokenType_Command;
refIdx = context->Read16();
UInt16 opcode = context->Read16();
value.cmd = g_scriptCommands.GetByOpcode(opcode);
if (!value.cmd)
type = kTokenType_Invalid;
break;
}
case 'V':
{
variableType = context->ReadByte();
switch (variableType)
{
case Script::eVarType_Array:
type = kTokenType_ArrayVar;
break;
case Script::eVarType_Integer:
case Script::eVarType_Float:
type = kTokenType_NumericVar;
break;
case Script::eVarType_Ref:
type = kTokenType_RefVar;
break;
case Script::eVarType_String:
type = kTokenType_StringVar;
break;
default:
type = kTokenType_Invalid;
}
refIdx = context->Read16();
ScriptEventList* eventList = context->eventList;
if (refIdx)
{
Script::RefVariable* refVar = context->script->GetVariable(refIdx);
if (refVar)
{
refVar->Resolve(context->eventList);
if (refVar->form)
eventList = EventListFromForm(refVar->form);
}
}
UInt16 varIdx = context->Read16();
value.var = NULL;
if (eventList)
value.var = eventList->GetVariable(varIdx);
if (!value.var)
type = kTokenType_Invalid;
break;
}
default:
{
if (typeCode < kOpType_Max)
{
type = kTokenType_Operator;
value.op = &s_operators[typeCode];
}
else
{
context->Error("Unexpected token type %d (%02x) encountered", typeCode, typeCode);
type = kTokenType_Invalid;
}
}
}
return type;
}
