sm-ext-dhooks2/util.cpp

102 lines
2.4 KiB
C++

#include "util.h"
void * GetObjectAddr(HookParamType type, unsigned int flags, void **params, size_t offset)
{
#ifdef WIN32
if (type == HookParamType_Object)
return (void *)((intptr_t)params + offset);
#elif POSIX
if (type == HookParamType_Object && !(flags & PASSFLAG_ODTOR)) //Objects are passed by rrefrence if they contain destructors.
return (void *)((intptr_t)params + offset);
#endif
return *(void **)((intptr_t)params + offset);
}
size_t GetParamOffset(HookParamsStruct *paramStruct, unsigned int index)
{
size_t offset = 0;
for (unsigned int i = 0; i < index; i++)
{
#ifndef WIN32
if (paramStruct->dg->params.at(i).type == HookParamType_Object && (paramStruct->dg->params.at(i).flags & PASSFLAG_ODTOR)) //Passed by refrence
{
offset += sizeof(void *);
continue;
}
#endif
offset += paramStruct->dg->params.at(i).size;
}
return offset;
}
size_t GetParamTypeSize(HookParamType type)
{
return sizeof(void *);
}
size_t GetParamsSize(DHooksCallback *dg)//Get the full size, this is for creating the STACK.
{
size_t res = 0;
for (int i = dg->params.size() - 1; i >= 0; i--)
{
res += dg->params.at(i).size;
}
return res;
}
DataType_t DynamicHooks_ConvertParamTypeFrom(HookParamType type)
{
switch (type)
{
case HookParamType_Int:
return DATA_TYPE_INT;
case HookParamType_Bool:
return DATA_TYPE_BOOL;
case HookParamType_Float:
return DATA_TYPE_FLOAT;
case HookParamType_StringPtr:
case HookParamType_CharPtr:
case HookParamType_VectorPtr:
case HookParamType_CBaseEntity:
case HookParamType_ObjectPtr:
case HookParamType_Edict:
return DATA_TYPE_POINTER;
case HookParamType_Object:
return DATA_TYPE_OBJECT;
default:
smutils->LogError(myself, "Unhandled parameter type %d!", type);
}
return DATA_TYPE_POINTER;
}
DataType_t DynamicHooks_ConvertReturnTypeFrom(ReturnType type)
{
switch (type)
{
case ReturnType_Void:
return DATA_TYPE_VOID;
case ReturnType_Int:
return DATA_TYPE_INT;
case ReturnType_Bool:
return DATA_TYPE_BOOL;
case ReturnType_Float:
return DATA_TYPE_FLOAT;
case ReturnType_StringPtr:
case ReturnType_CharPtr:
case ReturnType_VectorPtr:
case ReturnType_CBaseEntity:
case ReturnType_Edict:
return DATA_TYPE_POINTER;
case ReturnType_Vector:
return DATA_TYPE_OBJECT;
default:
smutils->LogError(myself, "Unhandled return type %d!", type);
}
return DATA_TYPE_VOID;
}