static int GM_CDECL gmfClamp(gmThread * a_thread)
{
GM_CHECK_NUM_PARAMS(3);
//params: min, value, max
int minType = gmMin3(a_thread->ParamType(0), a_thread->ParamType(1), a_thread->ParamType(2));
if(minType < GM_INT)
{
return GM_EXCEPTION;
}
int maxType = gmMax3(a_thread->ParamType(0), a_thread->ParamType(1), a_thread->ParamType(2));
if(maxType == GM_INT)
{
int limitMin = a_thread->Param(0).m_value.m_int;
int value = a_thread->Param(1).m_value.m_int;
int limitMax = a_thread->Param(2).m_value.m_int;
a_thread->PushInt( gmClamp(limitMin, value, limitMax) );
return GM_OK;
}
else if(maxType == GM_FLOAT)
{
float limitMin = gmGetFloatOrIntParamAsFloat(a_thread, 0);
float value = gmGetFloatOrIntParamAsFloat(a_thread, 1);
float limitMax = gmGetFloatOrIntParamAsFloat(a_thread, 2);
a_thread->PushFloat( gmClamp(limitMin, value, limitMax) );
return GM_OK;
}
else
{
return GM_EXCEPTION;
}
}
static int GM_CDECL gmfStringRightAt(gmThread * a_thread)
{
GM_CHECK_NUM_PARAMS(1);
GM_CHECK_INT_PARAM(index, 0);
const gmVariable * var = a_thread->GetThis();
GM_ASSERT(var->m_type == GM_STRING);
gmStringObject * strObj = (gmStringObject *) GM_OBJECT(var->m_value.m_ref);
const char * str = (const char *) *strObj;
int length = strObj->GetLength();
index = gmClamp(0, index, length);
int count = (length - index);
char * buffer = (char *) alloca(count + 1);
memcpy(buffer, str + index, count);
buffer[count] = 0;
a_thread->PushNewString(buffer, count);
return GM_OK;
}
