Update code add natives and listeners
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Dr!fter
+252
@@ -0,0 +1,252 @@
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#include "natives.h"
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CBaseEntity *UTIL_GetCBaseEntity(int num)
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{
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edict_t *pEdict = gamehelpers->EdictOfIndex(num);
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if (!pEdict || pEdict->IsFree())
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{
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return NULL;
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}
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IServerUnknown *pUnk;
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if ((pUnk=pEdict->GetUnknown()) == NULL)
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{
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return NULL;
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}
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return pUnk->GetBaseEntity();
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}
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//native Handle:DHookCreate(offset, HookType:hooktype, ReturnType:returntype, ThisPointerType:thistype, DHookCallback:callback);
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cell_t Native_CreateHook(IPluginContext *pContext, const cell_t *params)
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{
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if(!pContext->GetFunctionById(params[5]))
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{
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return pContext->ThrowNativeError("Failed to retrieve function by id");
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}
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HookSetup *setup = new HookSetup((ReturnType)params[3], PASSFLAG_BYVAL,(HookType)params[2], (ThisPointerType)params[4], params[1], pContext->GetFunctionById(params[5]));
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Handle_t hndl = handlesys->CreateHandle(g_HookSetupHandle, setup, pContext->GetIdentity(), myself->GetIdentity(), NULL);
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if(!hndl)
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{
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delete setup;
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return pContext->ThrowNativeError("Failed to create hook");
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}
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return hndl;
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}
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//native bool:DHookAddParam(Handle:setup, HookParamType:type);
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cell_t Native_AddParam(IPluginContext *pContext, const cell_t *params)
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{
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if(params[1] == BAD_HANDLE)
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{
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return pContext->ThrowNativeError("Invalid Handle %i", BAD_HANDLE);
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}
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HandleError err;
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HandleSecurity sec(pContext->GetIdentity(), myself->GetIdentity());
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HookSetup *setup;
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if((err = handlesys->ReadHandle(params[1], g_HookSetupHandle, &sec, (void **)&setup)) != HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid Handle %x (error %d)", params[1], err);
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}
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ParamInfo info;
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if(params[0] == 3)
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{
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info.flag = params[3];
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}
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else
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{
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info.flag = PASSFLAG_BYVAL;
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}
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info.type = (HookParamType)params[2];
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info.size = GetParamTypeSize(info.type);
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info.pass_type = GetParamTypePassType(info.type);
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setup->params.AddToTail(info);
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return 1;
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}
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cell_t Native_HookEntity(IPluginContext *pContext, const cell_t *params)
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{
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if(params[1] == BAD_HANDLE)
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{
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return pContext->ThrowNativeError("Invalid Handle %i", BAD_HANDLE);
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}
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HandleError err;
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HandleSecurity sec(pContext->GetIdentity(), myself->GetIdentity());
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HookSetup *setup;
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if((err = handlesys->ReadHandle(params[1], g_HookSetupHandle, &sec, (void **)&setup)) != HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid Handle %x (error %d)", params[1], err);
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}
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if(setup->hookType != HookType_Entity)
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{
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return pContext->ThrowNativeError("Hook is not an entity hook");
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}
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bool post = params[2] != 0;
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for(int i = g_pHooks.Count() -1; i >= 0; i--)
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{
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if(g_pHooks.Element(i)->callback->hookType == HookType_Entity && g_pHooks.Element(i)->callback->entity == params[3] && g_pHooks.Element(i)->callback->offset == setup->offset && g_pHooks.Element(i)->callback->post == post && g_pHooks.Element(i)->remove_callback == pContext->GetFunctionById(params[4]) && g_pHooks.Element(i)->callback->plugin_callback == setup->callback)
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{
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return g_pHooks.Element(i)->hookid;
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}
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}
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CBaseEntity *pEnt = UTIL_GetCBaseEntity(params[3]);
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if(!pEnt)
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{
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return pContext->ThrowNativeError("Invalid entity passed %i", params[2]);
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}
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DHooksManager *manager = new DHooksManager(setup, pEnt, pContext->GetFunctionById(params[4]), post);
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if(!manager->hookid)
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{
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delete manager;
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return 0;
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}
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g_pHooks.AddToTail(manager);
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return manager->hookid;
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}
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/*cell_t Native_HookGamerules(IPluginContext *pContext, const cell_t *params);
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cell_t Native_RemoveHookID(IPluginContext *pContext, const cell_t *params);*/
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cell_t Native_GetParam(IPluginContext *pContext, const cell_t *params)
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{
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if(params[1] == BAD_HANDLE)
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{
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return pContext->ThrowNativeError("Invalid Handle %i", BAD_HANDLE);
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}
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HandleError err;
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HandleSecurity sec(pContext->GetIdentity(), myself->GetIdentity());
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HookParamsStruct *paramStruct;
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if((err = handlesys->ReadHandle(params[1], g_HookParamsHandle, &sec, (void **)¶mStruct)) != HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid Handle %x (error %d)", params[1], err);
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}
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if(params[2] > paramStruct->dg->params.Count() || params[2] < 0)
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{
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return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
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}
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if(params[2] == 0)
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{
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return paramStruct->dg->params.Count();
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}
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int index = params[2] - 1;
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if(paramStruct->orgParams[index] == NULL && (paramStruct->dg->params.Element(index).type == HookParamType_CBaseEntity || paramStruct->dg->params.Element(index).type == HookParamType_Edict))
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{
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return pContext->ThrowNativeError("Trying to get value for null pointer.");
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}
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switch(paramStruct->dg->params.Element(index).type)
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{
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case HookParamType_Int:
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return (int)paramStruct->orgParams[index];
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case HookParamType_Bool:
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return (cell_t)paramStruct->orgParams[index] != 0;
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case HookParamType_CBaseEntity:
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return gamehelpers->EntityToBCompatRef((CBaseEntity *)paramStruct->orgParams[index]);
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case HookParamType_Edict:
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return gamehelpers->IndexOfEdict((edict_t *)paramStruct->orgParams[index]);
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case HookParamType_Float:
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return sp_ftoc(*(float *)paramStruct->orgParams[index]);
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default:
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return pContext->ThrowNativeError("Invalid param type (%i) to get", paramStruct->dg->params.Element(index).type);
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}
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return 1;
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}
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cell_t Native_GetReturn(IPluginContext *pContext, const cell_t *params)
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{
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return 1;
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}
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cell_t Native_SetReturn(IPluginContext *pContext, const cell_t *params)
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{
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return 1;
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}
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/*cell_t Native_SetParam(IPluginContext *pContext, const cell_t *params);
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cell_t Native_GetParamVector(IPluginContext *pContext, const cell_t *params);
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cell_t Native_GetReturnVector(IPluginContext *pContext, const cell_t *params);
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cell_t Native_SetReturnVector(IPluginContext *pContext, const cell_t *params);
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cell_t Native_SetParamVector(IPluginContext *pContext, const cell_t *params);*/
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cell_t Native_GetParamString(IPluginContext *pContext, const cell_t *params)
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{
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if(params[1] == BAD_HANDLE)
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{
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return pContext->ThrowNativeError("Invalid Handle %i", BAD_HANDLE);
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}
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HandleError err;
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HandleSecurity sec(pContext->GetIdentity(), myself->GetIdentity());
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HookParamsStruct *paramStruct;
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if((err = handlesys->ReadHandle(params[1], g_HookParamsHandle, &sec, (void **)¶mStruct)) != HandleError_None)
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{
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return pContext->ThrowNativeError("Invalid Handle %x (error %d)", params[1], err);
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}
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if(params[2] > paramStruct->dg->params.Count() || params[2] <= 0)
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{
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return pContext->ThrowNativeError("Invalid param number %i max params is %i", params[2], paramStruct->dg->params.Count());
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}
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int index = params[2] - 1;
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if(paramStruct->orgParams[index] == NULL)
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{
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return pContext->ThrowNativeError("Trying to get value for null pointer.");
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}
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if(paramStruct->dg->params.Element(index).type == HookParamType_CharPtr)
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{
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pContext->StringToLocal(params[3], params[4], (const char *)paramStruct->orgParams[index]);
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}
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return 1;
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}
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//cell_t Native_GetReturnString(IPluginContext *pContext, const cell_t *params);
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//cell_t Native_SetReturnString(IPluginContext *pContext, const cell_t *params);
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cell_t Native_SetParamString(IPluginContext *pContext, const cell_t *params)
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{
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return 1;
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}
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sp_nativeinfo_t g_Natives[] =
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{
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{"DHookCreate", Native_CreateHook},
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{"DHookAddParam", Native_AddParam},
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{"DHookEntity", Native_HookEntity},
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/*{"DHookGamerules", Native_HookGamerules},
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{"DHookRaw", Native_HookRaw},
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{"DHookRemoveHookID", Native_RemoveHookID},*/
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{"DHookGetParam", Native_GetParam},
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{"DHookGetReturn", Native_GetReturn},
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{"DHookSetReturn", Native_SetReturn},
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/*{"DHookSetParam", Native_SetParam},
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{"DHookGetParamVector", Native_GetParamVector},
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{"DHookGetReturnVector", Native_GetReturnVector},
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{"DHookSetReturnVector", Native_SetReturnVector},
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{"DHookSetParamVector", Native_SetParamVector},*/
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{"DHookGetParamString", Native_GetParamString},
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//{"DHookGetReturnString", Native_GetReturnString},
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//{"DHookSetReturnString", Native_SetReturnString},
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{"DHookSetParamString", Native_SetParamString},
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/*{"DHookAddEntityListener", Native_AddEntityListener},
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{"DHookRemoveEntityListener", Native_RemoveEntityListener},
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{"DHookGetParamObjectPtrVar", Native_GetParamObjectPtrVar},
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{"DHookSetParamObjectPtrVar", Native_SetParamObjectPtrVar},
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{"DHookGetParamObjectPtrVarVector", Native_GetParamObjectPtrVarVector},
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{"DHookSetParamObjectPtrVarVector", Native_SetParamObjectPtrVarVector},
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{"DHookIsNullParam", Native_IsNullParam},*/
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{NULL, NULL}
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};
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