sm-ext-dhooks2/natives.cpp
2013-08-29 15:18:43 -04:00

1064 lines
32 KiB
C++

#include "natives.h"
#include <isaverestore.h>
#ifndef _DEBUG
#include <ehandle.h>
#else
#undef _DEBUG
#include <ehandle.h>
#define _DEBUG 1
#endif
CBaseEntity *UTIL_GetCBaseEntity(int num)
{
edict_t *pEdict = gamehelpers->EdictOfIndex(num);
if (!pEdict || pEdict->IsFree())
{
return NULL;
}
IServerUnknown *pUnk;
if ((pUnk=pEdict->GetUnknown()) == NULL)
{
return NULL;
}
return pUnk->GetBaseEntity();
}
bool GetHandleIfValidOrError(HandleType_t type, void **object, IPluginContext *pContext, cell_t param)
{
if(param == BAD_HANDLE)
{
return pContext->ThrowNativeError("Invalid Handle %i", BAD_HANDLE) != 0;
}
HandleError err;
HandleSecurity sec(pContext->GetIdentity(), myself->GetIdentity());
if((err = handlesys->ReadHandle(param, type, &sec, object)) != HandleError_None)
{
return pContext->ThrowNativeError("Invalid Handle %x (error %d)", param, err) != 0;
}
return true;
}
#ifndef __linux__
intptr_t GetObjectAddr(HookParamType type, void **params, int index)
{
if(type == HookParamType_Object)
return (intptr_t)&params[index];
else if(type == HookParamType_ObjectPtr)
return (intptr_t)params[index];
return 0;
}
#else
intptr_t GetObjectAddr(HookParamType type, void **params, int index)
{
return (intptr_t)params[index];
}
#endif
//native Handle:DHookCreate(offset, HookType:hooktype, ReturnType:returntype, ThisPointerType:thistype, DHookCallback:callback);
cell_t Native_CreateHook(IPluginContext *pContext, const cell_t *params)
{
if(!pContext->GetFunctionById(params[5]))
{
return pContext->ThrowNativeError("Failed to retrieve function by id");
}
HookSetup *setup = new HookSetup((ReturnType)params[3], PASSFLAG_BYVAL,(HookType)params[2], (ThisPointerType)params[4], params[1], pContext->GetFunctionById(params[5]));
Handle_t hndl = handlesys->CreateHandle(g_HookSetupHandle, setup, pContext->GetIdentity(), myself->GetIdentity(), NULL);
if(!hndl)
{
delete setup;
return pContext->ThrowNativeError("Failed to create hook");
}
return hndl;
}
//native bool:DHookAddParam(Handle:setup, HookParamType:type); OLD
//native bool:DHookAddParam(Handle:setup, HookParamType:type, size=-1, DHookPassFlag:flag=DHookPass_ByVal);
cell_t Native_AddParam(IPluginContext *pContext, const cell_t *params)
{
HookSetup *setup;
if(!GetHandleIfValidOrError(g_HookSetupHandle, (void **)&setup, pContext, params[1]))
{
return 0;
}
ParamInfo info;
info.type = (HookParamType)params[2];
if(params[0] >= 3 && params[3] != -1)
{
info.size = params[3];
if(params[0] >= 4)
{
info.flag = params[4];
}
}
else
{
info.flag = PASSFLAG_BYVAL;
info.size = GetParamTypeSize(info.type);
}
info.pass_type = GetParamTypePassType(info.type);
setup->params.AddToTail(info);
return 1;
}
// native DHookEntity(Handle:setup, bool:post, entity, DHookRemovalCB:removalcb);
cell_t Native_HookEntity(IPluginContext *pContext, const cell_t *params)
{
HookSetup *setup;
if(!GetHandleIfValidOrError(g_HookSetupHandle, (void **)&setup, pContext, params[1]))
{
return 0;
}
if(setup->hookType != HookType_Entity)
{
return pContext->ThrowNativeError("Hook is not an entity hook");
}
bool post = params[2] != 0;
for(int i = g_pHooks.Count() -1; i >= 0; i--)
{
DHooksManager *manager = g_pHooks.Element(i);
if(manager->callback->hookType == HookType_Entity && manager->callback->entity == params[3] && manager->callback->offset == setup->offset && manager->callback->post == post && manager->remove_callback == pContext->GetFunctionById(params[4]) && manager->callback->plugin_callback == setup->callback)
{
return manager->hookid;
}
}
CBaseEntity *pEnt = UTIL_GetCBaseEntity(params[3]);
if(!pEnt)
{
return pContext->ThrowNativeError("Invalid entity passed %i", params[2]);
}
DHooksManager *manager = new DHooksManager(setup, pEnt, pContext->GetFunctionById(params[4]), post);
if(!manager->hookid)
{
delete manager;
return 0;
}
g_pHooks.AddToTail(manager);
return manager->hookid;
}
// native DHookGamerules(Handle:setup, bool:post, DHookRemovalCB:removalcb);
cell_t Native_HookGamerules(IPluginContext *pContext, const cell_t *params)
{
HookSetup *setup;
if(!GetHandleIfValidOrError(g_HookSetupHandle, (void **)&setup, pContext, params[1]))
{
return 0;
}
if(setup->hookType != HookType_GameRules)
{
return pContext->ThrowNativeError("Hook is not a gamerules hook");
}
bool post = params[2] != 0;
for(int i = g_pHooks.Count() -1; i >= 0; i--)
{
DHooksManager *manager = g_pHooks.Element(i);
if(manager->callback->hookType == HookType_GameRules && manager->callback->offset == setup->offset && manager->callback->post == post && manager->remove_callback == pContext->GetFunctionById(params[3]) && manager->callback->plugin_callback == setup->callback)
{
return manager->hookid;
}
}
void *rules = g_pSDKTools->GetGameRules();
if(!rules)
{
return pContext->ThrowNativeError("Could not get game rules pointer");
}
DHooksManager *manager = new DHooksManager(setup, rules, pContext->GetFunctionById(params[3]), post);
if(!manager->hookid)
{
delete manager;
return 0;
}
g_pHooks.AddToTail(manager);
return manager->hookid;
}
// DHookRaw(Handle:setup, bool:post, Address:addr, DHookRemovalCB:removalcb);
cell_t Native_HookRaw(IPluginContext *pContext, const cell_t *params)
{
HookSetup *setup;
if(!GetHandleIfValidOrError(g_HookSetupHandle, (void **)&setup, pContext, params[1]))
{
return 0;
}
if(setup->hookType != HookType_Raw)
{
return pContext->ThrowNativeError("Hook is not a gamerules hook");
}
bool post = params[2] != 0;
for(int i = g_pHooks.Count() -1; i >= 0; i--)
{
DHooksManager *manager = g_pHooks.Element(i);
if(manager->callback->hookType == HookType_Raw && manager->callback->offset == setup->offset && manager->callback->post == post && manager->remove_callback == pContext->GetFunctionById(params[3]) && manager->callback->plugin_callback == setup->callback)
{
return manager->hookid;
}
}
void *iface = (void *)(params[3]);
if(!iface)
{
return pContext->ThrowNativeError("Invalid address passed");
}
DHooksManager *manager = new DHooksManager(setup, iface, pContext->GetFunctionById(params[3]), post);
if(!manager->hookid)
{
delete manager;
return 0;
}
g_pHooks.AddToTail(manager);
return manager->hookid;
}
// native bool:DHookRemoveHookID(hookid);
cell_t Native_RemoveHookID(IPluginContext *pContext, const cell_t *params)
{
for(int i = g_pHooks.Count() -1; i >= 0; i--)
{
DHooksManager *manager = g_pHooks.Element(i);
if(manager->hookid == params[1] && manager->callback->plugin_callback->GetParentRuntime()->GetDefaultContext() == pContext)
{
delete manager;
g_pHooks.Remove(i);
return 1;
}
}
return 0;
}
// native any:DHookGetParam(Handle:hParams, num);
cell_t Native_GetParam(IPluginContext *pContext, const cell_t *params)
{
HookParamsStruct *paramStruct;
if(!GetHandleIfValidOrError(g_HookParamsHandle, (void **)&paramStruct, pContext, params[1]))
{
return 0;
}
if(params[2] < 0 || params[2] > paramStruct->dg->params.Count())
{
return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
}
if(params[2] == 0)
{
return paramStruct->dg->params.Count();
}
int index = params[2] - 1;
if(paramStruct->orgParams[index] == NULL && (paramStruct->dg->params.Element(index).type == HookParamType_CBaseEntity || paramStruct->dg->params.Element(index).type == HookParamType_Edict))
{
return pContext->ThrowNativeError("Trying to get value for null pointer.");
}
switch(paramStruct->dg->params.Element(index).type)
{
case HookParamType_Int:
return (int)paramStruct->orgParams[index];
case HookParamType_Bool:
return (cell_t)paramStruct->orgParams[index] != 0;
case HookParamType_CBaseEntity:
return gamehelpers->EntityToBCompatRef((CBaseEntity *)paramStruct->orgParams[index]);
case HookParamType_Edict:
return gamehelpers->IndexOfEdict((edict_t *)paramStruct->orgParams[index]);
case HookParamType_Float:
return sp_ftoc(*(float *)paramStruct->orgParams[index]);
default:
return pContext->ThrowNativeError("Invalid param type (%i) to get", paramStruct->dg->params.Element(index).type);
}
return 1;
}
// native DHookSetParam(Handle:hParams, param, any:value)
cell_t Native_SetParam(IPluginContext *pContext, const cell_t *params)
{
HookParamsStruct *paramStruct;
if(!GetHandleIfValidOrError(g_HookParamsHandle, (void **)&paramStruct, pContext, params[1]))
{
return 0;
}
if(params[2] <= 0 || params[2] > paramStruct->dg->params.Count())
{
return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
}
int index = params[2] - 1;
switch(paramStruct->dg->params.Element(index).type)
{
case HookParamType_Int:
paramStruct->newParams[index] = (void *)params[3];
break;
case HookParamType_Bool:
paramStruct->newParams[index] = (void *)(params[3] ? 1 : 0);
break;
case HookParamType_CBaseEntity:
{
CBaseEntity *pEnt = UTIL_GetCBaseEntity(params[2]);
if(!pEnt)
{
return pContext->ThrowNativeError("Invalid entity index passed for param value");
}
paramStruct->newParams[index] = pEnt;
break;
}
case HookParamType_Edict:
{
edict_t *pEdict = gamehelpers->EdictOfIndex(params[2]);
if(!pEdict || pEdict->IsFree())
{
pContext->ThrowNativeError("Invalid entity index passed for param value");
}
paramStruct->newParams[index] = pEdict;
break;
}
case HookParamType_Float:
paramStruct->newParams[index] = new float;
*(float *)paramStruct->newParams[index] = sp_ctof(params[3]);
break;
default:
return pContext->ThrowNativeError("Invalid param type (%i) to set", paramStruct->dg->params.Element(index).type);
}
paramStruct->isChanged[index] = true;
return 1;
}
// native any:DHookGetReturn(Handle:hReturn);
cell_t Native_GetReturn(IPluginContext *pContext, const cell_t *params)
{
HookReturnStruct *returnStruct;
if(!GetHandleIfValidOrError(g_HookReturnHandle, (void **)&returnStruct, pContext, params[1]))
{
return 0;
}
switch(returnStruct->type)
{
case ReturnType_Int:
return *(int *)returnStruct->orgResult;
case ReturnType_Bool:
return *(bool *)returnStruct->orgResult? 1 : 0;
case ReturnType_CBaseEntity:
return gamehelpers->EntityToBCompatRef(*(CBaseEntity **)returnStruct->orgResult);
case ReturnType_Edict:
return gamehelpers->IndexOfEdict(*(edict_t **)returnStruct->orgResult);
case ReturnType_Float:
return sp_ftoc(*(float *)returnStruct->orgResult);
default:
return pContext->ThrowNativeError("Invalid param type (%i) to get", returnStruct->type);
}
return 1;
}
// native DHookSetReturn(Handle:hReturn, any:value)
cell_t Native_SetReturn(IPluginContext *pContext, const cell_t *params)
{
HookReturnStruct *returnStruct;
if(!GetHandleIfValidOrError(g_HookReturnHandle, (void **)&returnStruct, pContext, params[1]))
{
return 0;
}
switch(returnStruct->type)
{
case ReturnType_Int:
*(int *)returnStruct->newResult = params[2];
break;
case ReturnType_Bool:
*(bool *)returnStruct->newResult = params[2] != 0;
break;
case ReturnType_CBaseEntity:
{
CBaseEntity *pEnt = UTIL_GetCBaseEntity(params[2]);
if(!pEnt)
{
return pContext->ThrowNativeError("Invalid entity index passed for return value");
}
*(CBaseEntity **)returnStruct->newResult = pEnt;
break;
}
case ReturnType_Edict:
{
edict_t *pEdict = gamehelpers->EdictOfIndex(params[2]);
if(!pEdict || pEdict->IsFree())
{
pContext->ThrowNativeError("Invalid entity index passed for return value");
}
*(edict_t **)returnStruct->newResult = pEdict;
break;
}
case ReturnType_Float:
*(float *)returnStruct->newResult = sp_ctof(params[2]);
break;
default:
return pContext->ThrowNativeError("Invalid param type (%i) to get",returnStruct->type);
}
returnStruct->isChanged = true;
return 1;
}
// native DHookGetParamVector(Handle:hParams, num, Float:vec[3])
cell_t Native_GetParamVector(IPluginContext *pContext, const cell_t *params)
{
HookParamsStruct *paramStruct;
if(!GetHandleIfValidOrError(g_HookParamsHandle, (void **)&paramStruct, pContext, params[1]))
{
return 0;
}
if(params[2] <= 0 || params[2] > paramStruct->dg->params.Count())
{
return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
}
int index = params[2] - 1;
switch(paramStruct->dg->params.Element(index).type)
{
case HookParamType_VectorPtr:
{
cell_t *buffer;
pContext->LocalToPhysAddr(params[3], &buffer);
buffer[0] = sp_ftoc(((Vector *)paramStruct->orgParams[index])->x);
buffer[1] = sp_ftoc(((Vector *)paramStruct->orgParams[index])->y);
buffer[2] = sp_ftoc(((Vector *)paramStruct->orgParams[index])->z);
return 1;
}
}
return pContext->ThrowNativeError("Invalid param type to get. Param is not a vector.");
}
// native DHookSetParamVector(Handle:hParams, num, Float:vec[3])
cell_t Native_SetParamVector(IPluginContext *pContext, const cell_t *params)
{
HookParamsStruct *paramStruct;
if(!GetHandleIfValidOrError(g_HookParamsHandle, (void **)&paramStruct, pContext, params[1]))
{
return 0;
}
if(params[2] <= 0 || params[2] > paramStruct->dg->params.Count())
{
return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
}
int index = params[2] - 1;
switch(paramStruct->dg->params.Element(index).type)
{
case HookParamType_VectorPtr:
{
if(paramStruct->newParams[index] != NULL)
delete (Vector *)paramStruct->newParams[index];
cell_t *buffer;
pContext->LocalToPhysAddr(params[3], &buffer);
paramStruct->newParams[index] = new Vector(sp_ctof(buffer[0]), sp_ctof(buffer[1]), sp_ctof(buffer[2]));
return 1;
}
}
return pContext->ThrowNativeError("Invalid param type to set. Param is not a vector.");
}
// native DHookGetParamString(Handle:hParams, num, String:buffer[], size)
cell_t Native_GetParamString(IPluginContext *pContext, const cell_t *params)
{
HookParamsStruct *paramStruct;
if(!GetHandleIfValidOrError(g_HookParamsHandle, (void **)&paramStruct, pContext, params[1]))
{
return 0;
}
if(params[2] <= 0 || params[2] > paramStruct->dg->params.Count())
{
return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
}
int index = params[2] - 1;
if(paramStruct->orgParams[index] == NULL)
{
return pContext->ThrowNativeError("Trying to get value for null pointer.");
}
if(paramStruct->dg->params.Element(index).type == HookParamType_CharPtr)
{
pContext->StringToLocal(params[3], params[4], (const char *)paramStruct->orgParams[index]);
}
return 1;
}
// native DHookGetReturnString(Handle:hReturn, String:buffer[], size)
cell_t Native_GetReturnString(IPluginContext *pContext, const cell_t *params)
{
HookReturnStruct *returnStruct;
if(!GetHandleIfValidOrError(g_HookReturnHandle, (void **)&returnStruct, pContext, params[1]))
{
return 0;
}
switch(returnStruct->type)
{
case ReturnType_String:
pContext->StringToLocal(params[2], params[3], (*(string_t *)returnStruct->orgResult == NULL_STRING) ? "" : STRING(*(string_t *)returnStruct->orgResult));
return 1;
case ReturnType_StringPtr:
pContext->StringToLocal(params[2], params[3], (*(string_t **)returnStruct->orgResult == NULL) ? "" : (*(string_t **)returnStruct->orgResult)->ToCStr());
return 1;
case ReturnType_CharPtr:
pContext->StringToLocal(params[2], params[3], (*(char **)returnStruct->orgResult == NULL) ? "" : *(const char **)returnStruct->orgResult);
return 1;
default:
return pContext->ThrowNativeError("Invalid param type to get. Param is not a string.");
}
}
//native DHookSetReturnString(Handle:hReturn, String:value[])
cell_t Native_SetReturnString(IPluginContext *pContext, const cell_t *params)
{
HookReturnStruct *returnStruct;
if(!GetHandleIfValidOrError(g_HookReturnHandle, (void **)&returnStruct, pContext, params[1]))
{
return 0;
}
char *value;
pContext->LocalToString(params[2], &value);
switch(returnStruct->type)
{
case ReturnType_String:
*(string_t *)returnStruct->newResult = MAKE_STRING(value);
returnStruct->isChanged = true;
return 1;
case ReturnType_StringPtr:
*(string_t **)returnStruct->newResult = new string_t(MAKE_STRING(value));
returnStruct->isChanged = true;
return 1;
case ReturnType_CharPtr:
*(char **)returnStruct->newResult = new char[strlen(value)+1];
strcpy(*(char **)returnStruct->newResult, value);
returnStruct->isChanged = true;
return 1;
default:
return pContext->ThrowNativeError("Invalid param type to get. Param is not a string.");
}
}
//native DHookSetParamString(Handle:hParams, num, String:value[])
cell_t Native_SetParamString(IPluginContext *pContext, const cell_t *params)
{
HookParamsStruct *paramStruct;
if(!GetHandleIfValidOrError(g_HookParamsHandle, (void **)&paramStruct, pContext, params[1]))
{
return 0;
}
if(params[2] <= 0 || params[2] > paramStruct->dg->params.Count())
{
return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
}
int index = params[2] - 1;
char *value;
pContext->LocalToString(params[3], &value);
if(paramStruct->dg->params.Element(index).type == HookParamType_CharPtr)
{
if((char *)paramStruct->newParams[index] != NULL && paramStruct->isChanged[index])
delete (char *)paramStruct->newParams[index];
paramStruct->newParams[index] = new char[strlen(value)+1];
strcpy((char *)paramStruct->newParams[index], value);
paramStruct->isChanged[index] = true;
}
return 1;
}
//native DHookAddEntityListener(ListenType:type, ListenCB:callback);
cell_t Native_AddEntityListener(IPluginContext *pContext, const cell_t *params)
{
if(g_pEntityListener)
{
return g_pEntityListener->AddPluginEntityListener((ListenType)params[1], pContext->GetFunctionById(params[2]));;
}
return pContext->ThrowNativeError("Failed to get g_pEntityListener");
}
//native bool:DHookRemoveEntityListener(ListenType:type, ListenCB:callback);
cell_t Native_RemoveEntityListener(IPluginContext *pContext, const cell_t *params)
{
if(g_pEntityListener)
{
return g_pEntityListener->RemovePluginEntityListener((ListenType)params[1], pContext->GetFunctionById(params[2]));;
}
return pContext->ThrowNativeError("Failed to get g_pEntityListener");
}
//native any:DHookGetParamObjectPtrVar(Handle:hParams, num, offset, ObjectValueType:type);
cell_t Native_GetParamObjectPtrVar(IPluginContext *pContext, const cell_t *params)
{
HookParamsStruct *paramStruct;
if(!GetHandleIfValidOrError(g_HookParamsHandle, (void **)&paramStruct, pContext, params[1]))
{
return 0;
}
if(params[2] <= 0 || params[2] > paramStruct->dg->params.Count())
{
return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
}
int index = params[2] - 1;
if(paramStruct->dg->params.Element(index).type != HookParamType_ObjectPtr && paramStruct->dg->params.Element(index).type != HookParamType_Object)
{
return pContext->ThrowNativeError("Invalid object value type %i", paramStruct->dg->params.Element(index).type);
}
intptr_t addr = GetObjectAddr(paramStruct->dg->params.Element(index).type, paramStruct->orgParams, index);
switch((ObjectValueType)params[4])
{
case ObjectValueType_Int:
{
return *(int *)(addr + params[3]);
}
case ObjectValueType_Bool:
return *(bool *)(addr + params[3]) ? 1 : 0;
case ObjectValueType_Ehandle:
{
EHANDLE hEntity = *(EHANDLE *)(addr + params[3]);
return hEntity.IsValid()?hEntity.GetEntryIndex():-1;
}
case ObjectValueType_Float:
return sp_ftoc(*(float *)(addr + params[3]));
case ObjectValueType_CBaseEntityPtr:
return gamehelpers->EntityToBCompatRef(*(CBaseEntity **)(addr + params[3]));
case ObjectValueType_IntPtr:
{
int *ptr = *(int **)(addr + params[3]);
return *ptr;
}
case ObjectValueType_BoolPtr:
{
bool *ptr = *(bool **)(addr + params[3]);
return *ptr ? 1 : 0;
}
case ObjectValueType_EhandlePtr:
{
EHANDLE *hEntity = *(EHANDLE **)(addr + params[3]);
return hEntity->IsValid()?hEntity->GetEntryIndex():-1;
}
case ObjectValueType_FloatPtr:
{
float *ptr = *(float **)(addr + params[3]);
return sp_ftoc(*ptr);
}
default:
return pContext->ThrowNativeError("Invalid Object value type");
}
}
//native DHookSetParamObjectPtrVar(Handle:hParams, num, offset, ObjectValueType:type, value)
cell_t Native_SetParamObjectPtrVar(IPluginContext *pContext, const cell_t *params)
{
HookParamsStruct *paramStruct;
if(!GetHandleIfValidOrError(g_HookParamsHandle, (void **)&paramStruct, pContext, params[1]))
{
return 0;
}
if(params[2] <= 0 || params[2] > paramStruct->dg->params.Count())
{
return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
}
int index = params[2] - 1;
if(paramStruct->dg->params.Element(index).type != HookParamType_ObjectPtr)
{
return pContext->ThrowNativeError("Invalid object value type %i", paramStruct->dg->params.Element(index).type);
}
intptr_t addr = GetObjectAddr(paramStruct->dg->params.Element(index).type, paramStruct->orgParams, index);
switch((ObjectValueType)params[4])
{
case ObjectValueType_Int:
*(int *)(addr + params[3]) = params[5];
break;
case ObjectValueType_Bool:
*(bool *)(addr + params[3]) = params[5] != 0;
break;
case ObjectValueType_Ehandle:
{
CBaseEntity *pEnt = UTIL_GetCBaseEntity(params[5]);
if(!pEnt)
{
return pContext->ThrowNativeError("Invalid entity passed");
}
*(EHANDLE *)(addr + params[3]) = pEnt;
break;
}
case ObjectValueType_Float:
*(float *)(addr + params[3]) = sp_ctof(params[5]);
break;
case ObjectValueType_CBaseEntityPtr:
{
CBaseEntity *pEnt = UTIL_GetCBaseEntity(params[5]);
if(!pEnt)
{
return pContext->ThrowNativeError("Invalid entity passed");
}
*(CBaseEntity **)(addr + params[3]) = pEnt;
break;
}
case ObjectValueType_IntPtr:
{
int *ptr = *(int **)(addr + params[3]);
*ptr = params[5];
break;
}
case ObjectValueType_BoolPtr:
{
bool *ptr = *(bool **)(addr + params[3]);
*ptr = params[5] != 0;
break;
}
case ObjectValueType_EhandlePtr:
{
CBaseEntity *pEnt = UTIL_GetCBaseEntity(params[5]);
if(!pEnt)
{
return pContext->ThrowNativeError("Invalid entity passed");
}
EHANDLE *hEntity = *(EHANDLE **)(addr + params[3]);
*hEntity = pEnt;
break;
}
case ObjectValueType_FloatPtr:
{
float *ptr = *(float **)(addr + params[3]);
*ptr = sp_ctof(params[5]);
break;
}
default:
return pContext->ThrowNativeError("Invalid Object value type");
}
return 1;
}
//native DHookGetParamObjectPtrVarVector(Handle:hParams, num, offset, ObjectValueType:type, Float:buffer[3]);
cell_t Native_GetParamObjectPtrVarVector(IPluginContext *pContext, const cell_t *params)
{
HookParamsStruct *paramStruct;
if(!GetHandleIfValidOrError(g_HookParamsHandle, (void **)&paramStruct, pContext, params[1]))
{
return 0;
}
if(params[2] <= 0 || params[2] > paramStruct->dg->params.Count())
{
return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
}
int index = params[2] - 1;
if(paramStruct->dg->params.Element(index).type != HookParamType_ObjectPtr && paramStruct->dg->params.Element(index).type != HookParamType_Object)
{
return pContext->ThrowNativeError("Invalid object value type %i", paramStruct->dg->params.Element(index).type);
}
intptr_t addr = GetObjectAddr(paramStruct->dg->params.Element(index).type, paramStruct->orgParams, index);
cell_t *buffer;
pContext->LocalToPhysAddr(params[5], &buffer);
if((ObjectValueType)params[4] == ObjectValueType_VectorPtr || (ObjectValueType)params[4] == ObjectValueType_Vector)
{
Vector *vec;
if((ObjectValueType)params[4] == ObjectValueType_VectorPtr)
{
vec = *(Vector **)(addr + params[3]);
if(vec == NULL)
{
return pContext->ThrowNativeError("Trying to get value for null pointer.");
}
}
else
{
vec = (Vector *)(addr + params[3]);
}
buffer[0] = sp_ftoc(vec->x);
buffer[1] = sp_ftoc(vec->y);
buffer[2] = sp_ftoc(vec->z);
return 1;
}
return pContext->ThrowNativeError("Invalid Object value type (not a type of vector)");
}
//native DHookSetParamObjectPtrVarVector(Handle:hParams, num, offset, ObjectValueType:type, Float:value[3]);
cell_t Native_SetParamObjectPtrVarVector(IPluginContext *pContext, const cell_t *params)
{
HookParamsStruct *paramStruct;
if(!GetHandleIfValidOrError(g_HookParamsHandle, (void **)&paramStruct, pContext, params[1]))
{
return 0;
}
if(params[2] <= 0 || params[2] > paramStruct->dg->params.Count())
{
return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
}
int index = params[2] - 1;
if(paramStruct->dg->params.Element(index).type != HookParamType_ObjectPtr)
{
return pContext->ThrowNativeError("Invalid object value type %i", paramStruct->dg->params.Element(index).type);
}
intptr_t addr = GetObjectAddr(paramStruct->dg->params.Element(index).type, paramStruct->orgParams, index);
cell_t *buffer;
pContext->LocalToPhysAddr(params[5], &buffer);
if((ObjectValueType)params[4] == ObjectValueType_VectorPtr)
{
Vector *vec;
if((ObjectValueType)params[4] == ObjectValueType_VectorPtr)
{
vec = *(Vector **)(addr + params[3]);
if(vec == NULL)
{
return pContext->ThrowNativeError("Trying to set value for null pointer.");
}
}
else
{
vec = (Vector *)(addr + params[3]);
}
vec->x = sp_ctof(buffer[0]);
vec->y = sp_ctof(buffer[1]);
vec->z = sp_ctof(buffer[2]);
return 1;
}
return pContext->ThrowNativeError("Invalid Object value type (not a type of vector)");
}
//native DHookGetParamObjectPtrString(Handle:hParams, num, offset, ObjectValueType:type, String:buffer[], size)
cell_t Native_GetParamObjectPtrString(IPluginContext *pContext, const cell_t *params)
{
HookParamsStruct *paramStruct;
if(!GetHandleIfValidOrError(g_HookParamsHandle, (void **)&paramStruct, pContext, params[1]))
{
return 0;
}
if(params[2] <= 0 || params[2] > paramStruct->dg->params.Count())
{
return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
}
int index = params[2] - 1;
if(paramStruct->dg->params.Element(index).type != HookParamType_ObjectPtr && paramStruct->dg->params.Element(index).type != HookParamType_Object)
{
return pContext->ThrowNativeError("Invalid object value type %i", paramStruct->dg->params.Element(index).type);
}
intptr_t addr = GetObjectAddr(paramStruct->dg->params.Element(index).type, paramStruct->orgParams, index);
switch((ObjectValueType)params[4])
{
case ObjectValueType_CharPtr:
{
char *ptr = *(char **)(addr + params[3]);
pContext->StringToLocal(params[5], params[6], ptr == NULL ? "" : (const char *)ptr);
break;
}
case ObjectValueType_String:
{
string_t string = *(string_t *)(addr + params[3]);
pContext->StringToLocal(params[5], params[6], string == NULL_STRING ? "" : STRING(string));
break;
}
default:
return pContext->ThrowNativeError("Invalid Object value type (not a type of string)");
}
return 1;
}
// DHookGetReturnVector(Handle:hReturn, Float:vec[3])
cell_t Native_GetReturnVector(IPluginContext *pContext, const cell_t *params)
{
HookReturnStruct *returnStruct;
if(!GetHandleIfValidOrError(g_HookReturnHandle, (void **)&returnStruct, pContext, params[1]))
{
return 0;
}
cell_t *buffer;
pContext->LocalToPhysAddr(params[2], &buffer);
if(returnStruct->type == ReturnType_Vector || returnStruct->type == ReturnType_VectorPtr)
{
buffer[0] = sp_ftoc((*(Vector **)returnStruct->orgResult)->x);
buffer[1] = sp_ftoc((*(Vector **)returnStruct->orgResult)->y);
buffer[2] = sp_ftoc((*(Vector **)returnStruct->orgResult)->z);
return 1;
}
return pContext->ThrowNativeError("Return type is not a vector type");
}
//DHookSetReturnVector(Handle:hReturn, Float:vec[3])
cell_t Native_SetReturnVector(IPluginContext *pContext, const cell_t *params)
{
HookReturnStruct *returnStruct;
if(!GetHandleIfValidOrError(g_HookReturnHandle, (void **)&returnStruct, pContext, params[1]))
{
return 0;
}
cell_t *buffer;
pContext->LocalToPhysAddr(params[2], &buffer);
if(returnStruct->type == ReturnType_Vector || returnStruct->type == ReturnType_VectorPtr)
{
if(*(Vector **)returnStruct->newResult != NULL)
{
delete *(Vector **)returnStruct->newResult;
}
*(Vector **)returnStruct->newResult = new Vector(sp_ctof(buffer[0]), sp_ctof(buffer[1]), sp_ctof(buffer[2]));
return 1;
}
return pContext->ThrowNativeError("Return type is not a vector type");
}
//native bool:DHookIsNullParam(Handle:hParams, num);
cell_t Native_IsNullParam(IPluginContext *pContext, const cell_t *params)
{
HookParamsStruct *paramStruct;
if(!GetHandleIfValidOrError(g_HookParamsHandle, (void **)&paramStruct, pContext, params[1]))
{
return 0;
}
if(params[2] <= 0 || params[2] > paramStruct->dg->params.Count())
{
return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
}
int index = params[2] - 1;
HookParamType type = paramStruct->dg->params.Element(index).type;
//Check that the type is ptr
if(type == HookParamType_StringPtr || type == HookParamType_CharPtr || type == HookParamType_VectorPtr || type == HookParamType_CBaseEntity || type == HookParamType_ObjectPtr || type == HookParamType_Edict || type == HookParamType_Unknown)
return (paramStruct->orgParams[index] == NULL);
else
return pContext->ThrowNativeError("Param is not a pointer!");
}
sp_nativeinfo_t g_Natives[] =
{
{"DHookCreate", Native_CreateHook},
{"DHookAddParam", Native_AddParam},
{"DHookEntity", Native_HookEntity},
{"DHookGamerules", Native_HookGamerules},
{"DHookRaw", Native_HookRaw},
{"DHookRemoveHookID", Native_RemoveHookID},
{"DHookGetParam", Native_GetParam},
{"DHookGetReturn", Native_GetReturn},
{"DHookSetReturn", Native_SetReturn},
{"DHookSetParam", Native_SetParam},
{"DHookGetParamVector", Native_GetParamVector},
{"DHookGetReturnVector", Native_GetReturnVector},
{"DHookSetReturnVector", Native_SetReturnVector},
{"DHookSetParamVector", Native_SetParamVector},
{"DHookGetParamString", Native_GetParamString},
{"DHookGetReturnString", Native_GetReturnString},
{"DHookSetReturnString", Native_SetReturnString},
{"DHookSetParamString", Native_SetParamString},
{"DHookAddEntityListener", Native_AddEntityListener},
{"DHookRemoveEntityListener", Native_RemoveEntityListener},
{"DHookGetParamObjectPtrVar", Native_GetParamObjectPtrVar},
{"DHookSetParamObjectPtrVar", Native_SetParamObjectPtrVar},
{"DHookGetParamObjectPtrVarVector", Native_GetParamObjectPtrVarVector},
{"DHookSetParamObjectPtrVarVector", Native_SetParamObjectPtrVarVector},
{"DHookGetParamObjectPtrString", Native_GetParamObjectPtrString},
{"DHookIsNullParam", Native_IsNullParam},
{NULL, NULL}
};