605 lines
20 KiB
C++
605 lines
20 KiB
C++
#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); OLD
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//native bool:DHookAddParam(Handle:setup, HookParamType:type, size=-1, flag=-1);
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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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//Add support for setting this
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info.flag = PASSFLAG_BYVAL;
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info.type = (HookParamType)params[2];
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if(params[0] == 3 && params[3] != -1)
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{
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info.size = params[3];
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}
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else
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{
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info.size = GetParamTypeSize(info.type);
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}
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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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DHooksManager *manager = g_pHooks.Element(i);
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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)
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{
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return manager->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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// native DHookGamerules(Handle:setup, bool:post, DHookRemovalCB:removalcb);
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cell_t Native_HookGamerules(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_GameRules)
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{
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return pContext->ThrowNativeError("Hook is not a gamerules 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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DHooksManager *manager = g_pHooks.Element(i);
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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)
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{
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return manager->hookid;
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}
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}
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void *rules = g_pSDKTools->GetGameRules();
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if(!rules)
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{
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return pContext->ThrowNativeError("Could not get game rules pointer");
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}
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DHooksManager *manager = new DHooksManager(setup, rules, pContext->GetFunctionById(params[3]), 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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// DHookRaw(Handle:setup, bool:post, Address:addr, DHookRemovalCB:removalcb);
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cell_t Native_HookRaw(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_Raw)
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{
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return pContext->ThrowNativeError("Hook is not a gamerules 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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DHooksManager *manager = g_pHooks.Element(i);
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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)
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{
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return manager->hookid;
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}
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}
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void *iface = (void *)(params[3]);
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if(!iface)
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{
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return pContext->ThrowNativeError("Invalid address passed");
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}
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DHooksManager *manager = new DHooksManager(setup, iface, pContext->GetFunctionById(params[3]), 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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// native bool:DHookRemoveHookID(hookid);
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cell_t Native_RemoveHookID(IPluginContext *pContext, const cell_t *params)
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{
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for(int i = g_pHooks.Count() -1; i >= 0; i--)
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{
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DHooksManager *manager = g_pHooks.Element(i);
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if(manager->hookid == params[1] && manager->callback->plugin_callback->GetParentRuntime()->GetDefaultContext() == pContext)
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{
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delete manager;
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g_pHooks.Remove(i);
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return 1;
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}
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}
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return 0;
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}
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// native any:DHookGetParam(Handle:hParams, num);
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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] < 0 || params[2] > paramStruct->dg->params.Count())
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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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// native DHookSetParam(Handle:hParams, param, any:value)
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cell_t Native_SetParam(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] <= 0 || params[2] > paramStruct->dg->params.Count())
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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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switch(paramStruct->dg->params.Element(index).type)
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{
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case HookParamType_Int:
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paramStruct->newParams[index] = (void *)params[3];
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break;
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case HookParamType_Bool:
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paramStruct->newParams[index] = (void *)(params[3] ? 1 : 0);
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break;
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case HookParamType_CBaseEntity:
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{
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CBaseEntity *pEnt = UTIL_GetCBaseEntity(params[2]);
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if(!pEnt)
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{
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return pContext->ThrowNativeError("Invalid entity index passed for param value");
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}
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paramStruct->newParams[index] = pEnt;
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break;
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}
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case HookParamType_Edict:
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{
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edict_t *pEdict = gamehelpers->EdictOfIndex(params[2]);
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if(!pEdict || pEdict->IsFree())
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{
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pContext->ThrowNativeError("Invalid entity index passed for param value");
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}
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paramStruct->newParams[index] = pEdict;
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break;
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}
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case HookParamType_Float:
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paramStruct->newParams[index] = new float;
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*(float *)paramStruct->newParams[index] = sp_ctof(params[3]);
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break;
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default:
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return pContext->ThrowNativeError("Invalid param type (%i) to set", paramStruct->dg->params.Element(index).type);
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}
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paramStruct->isChanged[index] = true;
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return 1;
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}
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// native any:DHookGetReturn(Handle:hReturn);
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cell_t Native_GetReturn(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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HookReturnStruct *returnStruct;
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if((err = handlesys->ReadHandle(params[1], g_HookReturnHandle, &sec, (void **)&returnStruct)) != 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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switch(returnStruct->type)
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{
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case ReturnType_Int:
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return *(int *)returnStruct->orgResult;
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case ReturnType_Bool:
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return *(bool *)returnStruct->orgResult? 1 : 0;
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case ReturnType_CBaseEntity:
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return gamehelpers->EntityToBCompatRef((CBaseEntity *)returnStruct->orgResult);
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case ReturnType_Edict:
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return gamehelpers->IndexOfEdict((edict_t *)returnStruct->orgResult);
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case ReturnType_Float:
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return sp_ftoc(*(float *)returnStruct->orgResult);
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default:
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return pContext->ThrowNativeError("Invalid param type (%i) to get", returnStruct->type);
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}
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return 1;
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}
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// native DHookSetReturn(Handle:hReturn, any:value)
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cell_t Native_SetReturn(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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HookReturnStruct *returnStruct;
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if((err = handlesys->ReadHandle(params[1], g_HookReturnHandle, &sec, (void **)&returnStruct)) != 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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switch(returnStruct->type)
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{
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case ReturnType_Int:
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*(int *)returnStruct->newResult = params[2];
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break;
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case ReturnType_Bool:
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*(bool *)returnStruct->newResult = params[2] != 0;
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break;
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case ReturnType_CBaseEntity:
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{
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CBaseEntity *pEnt = UTIL_GetCBaseEntity(params[2]);
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if(!pEnt)
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{
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return pContext->ThrowNativeError("Invalid entity index passed for return value");
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}
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*(CBaseEntity **)returnStruct->newResult = pEnt;
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break;
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}
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case ReturnType_Edict:
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{
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edict_t *pEdict = gamehelpers->EdictOfIndex(params[2]);
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if(!pEdict || pEdict->IsFree())
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{
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pContext->ThrowNativeError("Invalid entity index passed for return value");
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}
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*(edict_t **)returnStruct->newResult = pEdict;
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break;
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}
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case ReturnType_Float:
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*(float *)returnStruct->newResult = sp_ctof(params[2]);
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break;
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default:
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return pContext->ThrowNativeError("Invalid param type (%i) to get",returnStruct->type);
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}
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returnStruct->isChanged = true;
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return 1;
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}
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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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// native DHookGetParamString(Handle:hParams, num, String:buffer[], size)
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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] <= 0 || params[2] > paramStruct->dg->params.Count())
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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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//native DHookSetParamString(Handle:hParams, num, String:value[])
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cell_t Native_SetParamString(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)
|
|
{
|
|
return pContext->ThrowNativeError("Invalid Handle %x (error %d)", params[1], err);
|
|
}
|
|
|
|
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 bool:DHookIsNullParam(Handle:hParams, num);
|
|
cell_t Native_IsNullParam(IPluginContext *pContext, const cell_t *params)
|
|
{
|
|
if(params[1] == BAD_HANDLE)
|
|
{
|
|
return pContext->ThrowNativeError("Invalid Handle %i", BAD_HANDLE);
|
|
}
|
|
|
|
HandleError err;
|
|
HandleSecurity sec(pContext->GetIdentity(), myself->GetIdentity());
|
|
HookParamsStruct *paramStruct;
|
|
|
|
if((err = handlesys->ReadHandle(params[1], g_HookParamsHandle, &sec, (void **)¶mStruct)) != HandleError_None)
|
|
{
|
|
return pContext->ThrowNativeError("Invalid Handle %x (error %d)", params[1], err);
|
|
}
|
|
|
|
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},*/
|
|
{"DHookIsNullParam", Native_IsNullParam},
|
|
{NULL, NULL}
|
|
};
|