dvander@1859: /**
dvander@1859:  * vim: set ts=4 :
dvander@1859:  * =============================================================================
dvander@1859:  * SourceMod SDKTools Extension
ds@1947:  * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
dvander@1859:  * =============================================================================
dvander@1859:  *
dvander@1859:  * This program is free software; you can redistribute it and/or modify it under
dvander@1859:  * the terms of the GNU General Public License, version 3.0, as published by the
dvander@1859:  * Free Software Foundation.
dvander@1859:  * 
dvander@1859:  * This program is distributed in the hope that it will be useful, but WITHOUT
dvander@1859:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
dvander@1859:  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
dvander@1859:  * details.
dvander@1859:  *
dvander@1859:  * You should have received a copy of the GNU General Public License along with
dvander@1859:  * this program.  If not, see <http://www.gnu.org/licenses/>.
dvander@1859:  *
dvander@1859:  * As a special exception, AlliedModders LLC gives you permission to link the
dvander@1859:  * code of this program (as well as its derivative works) to "Half-Life 2," the
dvander@1859:  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
dvander@1859:  * by the Valve Corporation.  You must obey the GNU General Public License in
dvander@1859:  * all respects for all other code used.  Additionally, AlliedModders LLC grants
dvander@1859:  * this exception to all derivative works.  AlliedModders LLC defines further
dvander@1859:  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
dvander@1859:  * or <http://www.sourcemod.net/license.php>.
dvander@1859:  *
dvander@1859:  * Version: $Id$
dvander@1859:  */
dvander@1859: 
dvander@1859: #include "extension.h"
dvander@1859: #include <worldsize.h>
dvander@1859: 
dvander@1859: class CSMTraceFilter : public CTraceFilter
dvander@1859: {
dvander@1859: public:
dvander@1859: 	bool ShouldHitEntity(IHandleEntity *pEntity, int contentsMask)
dvander@1859: 	{
dvander@1859: 		cell_t res = 1;
dvander@1859: 		edict_t *pEdict = gameents->BaseEntityToEdict(reinterpret_cast<CBaseEntity *>(pEntity));
dvander@1859: 		m_pFunc->PushCell(engine->IndexOfEdict(pEdict));
dvander@1859: 		m_pFunc->PushCell(contentsMask);
dvander@1859: 		m_pFunc->PushCell(m_Data);
dvander@1859: 		m_pFunc->Execute(&res);
dvander@1859: 
dvander@1859: 		return (res) ? true : false;
dvander@1859: 	}
dvander@1859: 	void SetFunctionPtr(IPluginFunction *pFunc, cell_t data)
dvander@1859: 	{
dvander@1859: 		m_pFunc = pFunc;
dvander@1859: 		m_Data = data;
dvander@1859: 	}
dvander@1859: private:
dvander@1859: 	IPluginFunction *m_pFunc;
dvander@1859: 	cell_t m_Data;
dvander@1859: };
dvander@1859: 
dvander@1859: /* Used for the global trace version */
dvander@1859: Ray_t g_Ray;
dvander@1859: trace_t g_Trace;
dvander@1859: Vector g_StartVec;
dvander@1859: Vector g_EndVec;
dvander@2089: Vector g_HullMins;
dvander@2089: Vector g_HullMaxs;
dvander@1859: QAngle g_DirAngles;
dvander@1859: CTraceFilterHitAll g_HitAllFilter;
dvander@1859: CSMTraceFilter g_SMTraceFilter;
dvander@1859: 
dvander@1859: enum
dvander@1859: {
dvander@1859: 	RayType_EndPoint,
dvander@1859: 	RayType_Infinite
dvander@1859: };
dvander@1859: 
dvander@1859: static cell_t smn_TRTraceRay(IPluginContext *pContext, const cell_t *params)
dvander@1859: {
dvander@1859: 	cell_t *startaddr, *endaddr;
dvander@1859: 	pContext->LocalToPhysAddr(params[1], &startaddr);
dvander@1859: 	pContext->LocalToPhysAddr(params[2], &endaddr);
dvander@1859: 
dvander@1859: 	g_StartVec.Init(sp_ctof(startaddr[0]), sp_ctof(startaddr[1]), sp_ctof(startaddr[2]));
dvander@1859: 
dvander@1859: 	switch (params[4])
dvander@1859: 	{
dvander@1859: 	case RayType_EndPoint:
dvander@1859: 		{
dvander@1859: 			g_EndVec.Init(sp_ctof(endaddr[0]), sp_ctof(endaddr[1]), sp_ctof(endaddr[2]));
dvander@1859: 			break;
dvander@1859: 		}
dvander@1859: 	case RayType_Infinite:
dvander@1859: 		{
dvander@1859: 			g_DirAngles.Init(sp_ctof(endaddr[0]), sp_ctof(endaddr[1]), sp_ctof(endaddr[2]));
dvander@1859: 			AngleVectors(g_DirAngles, &g_EndVec);
dvander@1859: 
dvander@1859: 			/* Make it unitary and get the ending point */
dvander@1859: 			g_EndVec.NormalizeInPlace();
dvander@1859: 			g_EndVec = g_StartVec + g_EndVec * MAX_TRACE_LENGTH;
dvander@1859: 			break;
dvander@1859: 		}
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	g_Ray.Init(g_StartVec, g_EndVec);
dvander@1859: 	enginetrace->TraceRay(g_Ray, params[3], &g_HitAllFilter, &g_Trace);
dvander@1859: 
dvander@1859: 	return 1;
dvander@1859: }
dvander@1859: 
dvander@2089: static cell_t smn_TRTraceHull(IPluginContext *pContext, const cell_t *params)
dvander@2089: {
dvander@2089: 	cell_t *startaddr, *endaddr, *mins, *maxs;
dvander@2089: 	pContext->LocalToPhysAddr(params[1], &startaddr);
dvander@2089: 	pContext->LocalToPhysAddr(params[2], &endaddr);
dvander@2089: 	pContext->LocalToPhysAddr(params[3], &mins);
dvander@2089: 	pContext->LocalToPhysAddr(params[4], &maxs);
dvander@2089: 
dvander@2089: 	g_StartVec.Init(sp_ctof(startaddr[0]), sp_ctof(startaddr[1]), sp_ctof(startaddr[2]));
dvander@2089: 	g_HullMins.Init(sp_ctof(mins[0]), sp_ctof(mins[1]), sp_ctof(mins[2]));
dvander@2089: 	g_HullMaxs.Init(sp_ctof(maxs[0]), sp_ctof(maxs[1]), sp_ctof(maxs[2]));
dvander@2089: 	g_EndVec.Init(sp_ctof(endaddr[0]), sp_ctof(endaddr[1]), sp_ctof(endaddr[2]));
dvander@2089: 
dvander@2089: 	g_Ray.Init(g_StartVec, g_EndVec, g_HullMins, g_HullMaxs);
dvander@2089: 	enginetrace->TraceRay(g_Ray, params[5], &g_HitAllFilter, &g_Trace);
dvander@2089: 
dvander@2089: 	return 1;
dvander@2089: }
dvander@2089: 
dvander@1859: static cell_t smn_TRTraceRayFilter(IPluginContext *pContext, const cell_t *params)
dvander@1859: {
dvander@1859: 	cell_t *startaddr, *endaddr;
dvander@1859: 	IPluginFunction *pFunc;
dvander@1859: 	cell_t data;
dvander@1859: 
dvander@1859: 	pFunc = pContext->GetFunctionById(params[5]);
dvander@1859: 	if (!pFunc)
dvander@1859: 	{
dvander@1859: 		return pContext->ThrowNativeError("Invalid function id (%X)", params[5]);
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	if (params[0] >= 6)
dvander@1859: 	{
dvander@1859: 		data = params[6];
dvander@1859: 	}
dvander@1859: 	else
dvander@1859: 	{
dvander@1859: 		data = 0;
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	g_SMTraceFilter.SetFunctionPtr(pFunc, data);
dvander@1859: 	pContext->LocalToPhysAddr(params[1], &startaddr);
dvander@1859: 	pContext->LocalToPhysAddr(params[2], &endaddr);
dvander@1859: 
dvander@1859: 	g_StartVec.Init(sp_ctof(startaddr[0]), sp_ctof(startaddr[1]), sp_ctof(startaddr[2]));
dvander@1859: 
dvander@1859: 	switch (params[4])
dvander@1859: 	{
dvander@1859: 	case RayType_EndPoint:
dvander@1859: 		{
dvander@1859: 			g_EndVec.Init(sp_ctof(endaddr[0]), sp_ctof(endaddr[1]), sp_ctof(endaddr[2]));
dvander@1859: 			break;
dvander@1859: 		}
dvander@1859: 	case RayType_Infinite:
dvander@1859: 		{
dvander@1859: 			g_DirAngles.Init(sp_ctof(endaddr[0]), sp_ctof(endaddr[1]), sp_ctof(endaddr[2]));
dvander@1859: 			AngleVectors(g_DirAngles, &g_EndVec);
dvander@1859: 
dvander@1859: 			/* Make it unitary and get the ending point */
dvander@1859: 			g_EndVec.NormalizeInPlace();
dvander@1859: 			g_EndVec = g_StartVec + g_EndVec * MAX_TRACE_LENGTH;
dvander@1859: 			break;
dvander@1859: 		}
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	g_Ray.Init(g_StartVec, g_EndVec);
dvander@1859: 	enginetrace->TraceRay(g_Ray, params[3], &g_SMTraceFilter, &g_Trace);
dvander@1859: 
dvander@1859: 	return 1;
dvander@1859: }
dvander@1859: 
dvander@2089: static cell_t smn_TRTraceHullFilter(IPluginContext *pContext, const cell_t *params)
dvander@2089: {
dvander@2089: 	cell_t data;
dvander@2089: 	IPluginFunction *pFunc;
dvander@2089: 	cell_t *startaddr, *endaddr, *mins, *maxs;
dvander@2089: 
dvander@2089: 	pFunc = pContext->GetFunctionById(params[6]);
dvander@2089: 	if (!pFunc)
dvander@2089: 	{
dvander@2089: 		return pContext->ThrowNativeError("Invalid function id (%X)", params[5]);
dvander@2089: 	}
dvander@2089: 
dvander@2089: 	data = params[7];
dvander@2089: 
dvander@2089: 	g_SMTraceFilter.SetFunctionPtr(pFunc, data);
dvander@2089: 	pContext->LocalToPhysAddr(params[1], &startaddr);
dvander@2089: 	pContext->LocalToPhysAddr(params[2], &endaddr);
dvander@2089: 	pContext->LocalToPhysAddr(params[3], &mins);
dvander@2089: 	pContext->LocalToPhysAddr(params[4], &maxs);
dvander@2089: 
dvander@2089: 	g_StartVec.Init(sp_ctof(startaddr[0]), sp_ctof(startaddr[1]), sp_ctof(startaddr[2]));
dvander@2089: 	g_HullMins.Init(sp_ctof(mins[0]), sp_ctof(mins[1]), sp_ctof(mins[2]));
dvander@2089: 	g_HullMaxs.Init(sp_ctof(maxs[0]), sp_ctof(maxs[1]), sp_ctof(maxs[2]));
dvander@2089: 	g_EndVec.Init(sp_ctof(endaddr[0]), sp_ctof(endaddr[1]), sp_ctof(endaddr[2]));
dvander@2089: 
dvander@2089: 	g_Ray.Init(g_StartVec, g_EndVec, g_HullMins, g_HullMaxs);
dvander@2089: 	enginetrace->TraceRay(g_Ray, params[5], &g_SMTraceFilter, &g_Trace);
dvander@2089: 
dvander@2089: 	return 1;
dvander@2089: }
dvander@2089: 
dvander@2089: 
dvander@1859: static cell_t smn_TRTraceRayEx(IPluginContext *pContext, const cell_t *params)
dvander@1859: {
dvander@1859: 	cell_t *startaddr, *endaddr;
dvander@1859: 	pContext->LocalToPhysAddr(params[1], &startaddr);
dvander@1859: 	pContext->LocalToPhysAddr(params[2], &endaddr);
dvander@1859: 
dvander@1859: 	Vector StartVec, EndVec;
dvander@1859: 	Ray_t ray;
dvander@1859: 
dvander@1859: 	StartVec.Init(sp_ctof(startaddr[0]), sp_ctof(startaddr[1]), sp_ctof(startaddr[2]));
dvander@1859: 
dvander@1859: 	switch (params[4])
dvander@1859: 	{
dvander@1859: 	case RayType_EndPoint:
dvander@1859: 		{
dvander@1859: 			EndVec.Init(sp_ctof(endaddr[0]), sp_ctof(endaddr[1]), sp_ctof(endaddr[2]));
dvander@1859: 			break;
dvander@1859: 		}
dvander@1859: 	case RayType_Infinite:
dvander@1859: 		{
dvander@1859: 			QAngle DirAngles;
dvander@1859: 			DirAngles.Init(sp_ctof(endaddr[0]), sp_ctof(endaddr[1]), sp_ctof(endaddr[2]));
dvander@1859: 			AngleVectors(DirAngles, &EndVec);
dvander@1859: 
dvander@1859: 			/* Make it unitary and get the ending point */
dvander@1859: 			EndVec.NormalizeInPlace();
dvander@1859: 			EndVec = StartVec + EndVec * MAX_TRACE_LENGTH;
dvander@1859: 			break;
dvander@1859: 		}
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	trace_t *tr = new trace_t;
dvander@1859: 	ray.Init(StartVec, EndVec);
dvander@1859: 	enginetrace->TraceRay(ray, params[3], &g_HitAllFilter, tr);
dvander@1859: 
dvander@1859: 	HandleError herr;
dvander@1859: 	Handle_t hndl;
dvander@1859: 	if (!(hndl=handlesys->CreateHandle(g_TraceHandle, tr, pContext->GetIdentity(), myself->GetIdentity(), &herr)))
dvander@1859: 	{
dvander@1859: 		delete tr;
dvander@1859: 		return pContext->ThrowNativeError("Unable to create a new trace handle (error %d)", herr);
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	return hndl;
dvander@1859: }
dvander@1859: 
dvander@2089: static cell_t smn_TRTraceHullEx(IPluginContext *pContext, const cell_t *params)
dvander@2089: {
dvander@2089: 	cell_t *startaddr, *endaddr, *mins, *maxs;
dvander@2089: 	pContext->LocalToPhysAddr(params[1], &startaddr);
dvander@2089: 	pContext->LocalToPhysAddr(params[2], &endaddr);
dvander@2089: 	pContext->LocalToPhysAddr(params[3], &mins);
dvander@2089: 	pContext->LocalToPhysAddr(params[4], &maxs);
dvander@2089: 
dvander@2089: 	Ray_t ray;
dvander@2089: 	Vector StartVec, EndVec, vmins, vmaxs;
dvander@2089: 
dvander@2089: 	StartVec.Init(sp_ctof(startaddr[0]), sp_ctof(startaddr[1]), sp_ctof(startaddr[2]));
dvander@2089: 	vmins.Init(sp_ctof(mins[0]), sp_ctof(mins[1]), sp_ctof(mins[2]));
dvander@2089: 	vmaxs.Init(sp_ctof(maxs[0]), sp_ctof(maxs[1]), sp_ctof(maxs[2]));
dvander@2089: 	EndVec.Init(sp_ctof(endaddr[0]), sp_ctof(endaddr[1]), sp_ctof(endaddr[2]));
dvander@2089: 
dvander@2089: 	ray.Init(StartVec, EndVec, vmins, vmaxs);
dvander@2089: 
dvander@2089: 	trace_t *tr = new trace_t;
dvander@2089: 	enginetrace->TraceRay(ray, params[5], &g_HitAllFilter, tr);
dvander@2089: 
dvander@2089: 	HandleError herr;
dvander@2089: 	Handle_t hndl;
dvander@2089: 	if (!(hndl=handlesys->CreateHandle(g_TraceHandle, tr, pContext->GetIdentity(), myself->GetIdentity(), &herr)))
dvander@2089: 	{
dvander@2089: 		delete tr;
dvander@2089: 		return pContext->ThrowNativeError("Unable to create a new trace handle (error %d)", herr);
dvander@2089: 	}
dvander@2089: 
dvander@2089: 	return hndl;
dvander@2089: }
dvander@2089: 
dvander@1859: static cell_t smn_TRTraceRayFilterEx(IPluginContext *pContext, const cell_t *params)
dvander@1859: {
dvander@1859: 	IPluginFunction *pFunc;
dvander@1859: 	cell_t *startaddr, *endaddr;
dvander@1859: 	cell_t data;
dvander@1859: 
dvander@1859: 	pFunc = pContext->GetFunctionById(params[5]);
dvander@1859: 	if (!pFunc)
dvander@1859: 	{
dvander@1859: 		return pContext->ThrowNativeError("Invalid function id (%X)", params[5]);
dvander@1859: 	}
dvander@1859: 	pContext->LocalToPhysAddr(params[1], &startaddr);
dvander@1859: 	pContext->LocalToPhysAddr(params[2], &endaddr);
dvander@1859: 
dvander@1859: 	Vector StartVec, EndVec;
dvander@1859: 	CSMTraceFilter smfilter;
dvander@1859: 	Ray_t ray;
dvander@1859: 
dvander@1859: 	if (params[0] >= 6)
dvander@1859: 	{
dvander@1859: 		data = params[6];
dvander@1859: 	}
dvander@1859: 	else
dvander@1859: 	{
dvander@1859: 		data = 0;
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	smfilter.SetFunctionPtr(pFunc, data);
dvander@1859: 	StartVec.Init(sp_ctof(startaddr[0]), sp_ctof(startaddr[1]), sp_ctof(startaddr[2]));
dvander@1859: 
dvander@1859: 	switch (params[4])
dvander@1859: 	{
dvander@1859: 	case RayType_EndPoint:
dvander@1859: 		{
dvander@1859: 			EndVec.Init(sp_ctof(endaddr[0]), sp_ctof(endaddr[1]), sp_ctof(endaddr[2]));
dvander@1859: 			break;
dvander@1859: 		}
dvander@1859: 	case RayType_Infinite:
dvander@1859: 		{
dvander@1859: 			QAngle DirAngles;
dvander@1859: 			DirAngles.Init(sp_ctof(endaddr[0]), sp_ctof(endaddr[1]), sp_ctof(endaddr[2]));
dvander@1859: 			AngleVectors(DirAngles, &EndVec);
dvander@1859: 
dvander@1859: 			/* Make it unitary and get the ending point */
dvander@1859: 			EndVec.NormalizeInPlace();
dvander@1859: 			EndVec = StartVec + EndVec * MAX_TRACE_LENGTH;
dvander@1859: 			break;
dvander@1859: 		}
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	trace_t *tr = new trace_t;
dvander@1859: 	ray.Init(StartVec, EndVec);
dvander@1859: 	enginetrace->TraceRay(ray, params[3], &smfilter, tr);
dvander@1859: 
dvander@1859: 	HandleError herr;
dvander@1859: 	Handle_t hndl;
dvander@1859: 	if (!(hndl=handlesys->CreateHandle(g_TraceHandle, tr, pContext->GetIdentity(), myself->GetIdentity(), &herr)))
dvander@1859: 	{
dvander@1859: 		delete tr;
dvander@1859: 		return pContext->ThrowNativeError("Unable to create a new trace handle (error %d)", herr);
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	return hndl;
dvander@1859: }
dvander@1859: 
dvander@2089: static cell_t smn_TRTraceHullFilterEx(IPluginContext *pContext, const cell_t *params)
dvander@2089: {
dvander@2089: 	IPluginFunction *pFunc;
dvander@2089: 	cell_t *startaddr, *endaddr, *mins, *maxs;
dvander@2089: 	cell_t data;
dvander@2089: 
dvander@2089: 	pFunc = pContext->GetFunctionById(params[6]);
dvander@2089: 	if (!pFunc)
dvander@2089: 	{
dvander@2089: 		return pContext->ThrowNativeError("Invalid function id (%X)", params[5]);
dvander@2089: 	}
dvander@2089: 	pContext->LocalToPhysAddr(params[1], &startaddr);
dvander@2089: 	pContext->LocalToPhysAddr(params[2], &endaddr);
dvander@2089: 	pContext->LocalToPhysAddr(params[3], &mins);
dvander@2089: 	pContext->LocalToPhysAddr(params[4], &maxs);
dvander@2089: 
dvander@2089: 	Vector StartVec, EndVec, vmins, vmaxs;
dvander@2089: 	CSMTraceFilter smfilter;
dvander@2089: 	Ray_t ray;
dvander@2089: 
dvander@2089: 	data = params[7];
dvander@2089: 
dvander@2089: 	smfilter.SetFunctionPtr(pFunc, data);
dvander@2089: 	StartVec.Init(sp_ctof(startaddr[0]), sp_ctof(startaddr[1]), sp_ctof(startaddr[2]));
dvander@2089: 	vmins.Init(sp_ctof(mins[0]), sp_ctof(mins[1]), sp_ctof(mins[2]));
dvander@2089: 	vmaxs.Init(sp_ctof(maxs[0]), sp_ctof(maxs[1]), sp_ctof(maxs[2]));
dvander@2089: 	EndVec.Init(sp_ctof(endaddr[0]), sp_ctof(endaddr[1]), sp_ctof(endaddr[2]));
dvander@2089: 
dvander@2089: 	ray.Init(StartVec, EndVec, vmins, vmaxs);
dvander@2089: 
dvander@2089: 	trace_t *tr = new trace_t;
dvander@2089: 	enginetrace->TraceRay(ray, params[5], &smfilter, tr);
dvander@2089: 
dvander@2089: 	HandleError herr;
dvander@2089: 	Handle_t hndl;
dvander@2089: 	if (!(hndl=handlesys->CreateHandle(g_TraceHandle, tr, pContext->GetIdentity(), myself->GetIdentity(), &herr)))
dvander@2089: 	{
dvander@2089: 		delete tr;
dvander@2089: 		return pContext->ThrowNativeError("Unable to create a new trace handle (error %d)", herr);
dvander@2089: 	}
dvander@2089: 
dvander@2089: 	return hndl;
dvander@2089: }
dvander@2089: 
dvander@1859: static cell_t smn_TRGetFraction(IPluginContext *pContext, const cell_t *params)
dvander@1859: {
dvander@1859: 	trace_t *tr;
dvander@1859: 	HandleError err;
dvander@1859: 	HandleSecurity sec(pContext->GetIdentity(), myself->GetIdentity());
dvander@1859: 
dvander@1859: 	if (params[1] == BAD_HANDLE)
dvander@1859: 	{
dvander@1859: 		tr = &g_Trace;
dvander@1859: 	} else if ((err = handlesys->ReadHandle(params[1], g_TraceHandle, &sec, (void **)&tr)) != HandleError_None) {
dvander@1859: 		return pContext->ThrowNativeError("Invalid Handle %x (error %d)", params[1], err);
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	return sp_ftoc(tr->fraction);
dvander@1859: }
dvander@1859: 
dvander@1859: static cell_t smn_TRGetPlaneNormal(IPluginContext *pContext, const cell_t *params)
dvander@1859: {
dvander@1859: 	trace_t *tr;
dvander@1859: 	HandleError err;
dvander@1859: 	HandleSecurity sec(pContext->GetIdentity(), myself->GetIdentity());
dvander@1859: 
dvander@1859: 	if (params[1] == BAD_HANDLE)
dvander@1859: 	{
dvander@1859: 		tr = &g_Trace;
dvander@1859: 	} else if ((err = handlesys->ReadHandle(params[1], g_TraceHandle, &sec, (void **)&tr)) != HandleError_None) {
dvander@1859: 		return pContext->ThrowNativeError("Invalid Handle %x (error %d)", params[1], err);
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	Vector *normal = &tr->plane.normal;
dvander@1859: 
dvander@1859: 	cell_t *r;
dvander@1859: 	pContext->LocalToPhysAddr(params[2], &r);
dvander@1859: 	r[0] = sp_ftoc(normal->x);
dvander@1859: 	r[1] = sp_ftoc(normal->y);
dvander@1859: 	r[2] = sp_ftoc(normal->z);
dvander@1859: 
dvander@1859: 	return 1;
dvander@1859: }
dvander@1859: 
dvander@1859: 
dvander@1859: static cell_t smn_TRGetEndPosition(IPluginContext *pContext, const cell_t *params)
dvander@1859: {
dvander@1859: 	trace_t *tr;
dvander@1859: 	HandleError err;
dvander@1859: 	HandleSecurity sec(pContext->GetIdentity(), myself->GetIdentity());
dvander@1859: 
dvander@1859: 	if (params[2] == BAD_HANDLE)
dvander@1859: 	{
dvander@1859: 		tr = &g_Trace;
dvander@1859: 	} else if ((err = handlesys->ReadHandle(params[2], g_TraceHandle, &sec, (void **)&tr)) != HandleError_None) {
dvander@1859: 		return pContext->ThrowNativeError("Invalid Handle %x (error %d)", params[2], err);
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	cell_t *addr;
dvander@1859: 	pContext->LocalToPhysAddr(params[1], &addr);
dvander@1859: 
dvander@1859: 	addr[0] = sp_ftoc(tr->endpos.x);
dvander@1859: 	addr[1] = sp_ftoc(tr->endpos.y);
dvander@1859: 	addr[2] = sp_ftoc(tr->endpos.z);
dvander@1859: 
dvander@1859: 	return 1;
dvander@1859: }
dvander@1859: 
dvander@1859: static cell_t smn_TRDidHit(IPluginContext *pContext, const cell_t *params)
dvander@1859: {
dvander@1859: 	trace_t *tr;
dvander@1859: 	HandleError err;
dvander@1859: 	HandleSecurity sec(pContext->GetIdentity(), myself->GetIdentity());
dvander@1859: 
dvander@1859: 	if (params[1] == BAD_HANDLE)
dvander@1859: 	{
dvander@1859: 		tr = &g_Trace;
dvander@1859: 	} else if ((err = handlesys->ReadHandle(params[1], g_TraceHandle, &sec, (void **)&tr)) != HandleError_None) {
dvander@1859: 		return pContext->ThrowNativeError("Invalid Handle %x (error %d)", params[1], err);
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	return tr->DidHit() ? 1 : 0;
dvander@1859: }
dvander@1859: 
dvander@1859: static cell_t smn_TRGetHitGroup(IPluginContext *pContext, const cell_t *params)
dvander@1859: {
dvander@1859: 	trace_t *tr;
dvander@1859: 	HandleError err;
dvander@1859: 	HandleSecurity sec(pContext->GetIdentity(), myself->GetIdentity());
dvander@1859: 
dvander@1859: 	if (params[1] == BAD_HANDLE)
dvander@1859: 	{
dvander@1859: 		tr = &g_Trace;
dvander@1859: 	} else if ((err = handlesys->ReadHandle(params[1], g_TraceHandle, &sec, (void **)&tr)) != HandleError_None) {
dvander@1859: 		return pContext->ThrowNativeError("Invalid Handle %x (error %d)", params[1], err);
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	return tr->hitgroup;
dvander@1859: }
dvander@1859: 
dvander@1859: static cell_t smn_TRGetEntityIndex(IPluginContext *pContext, const cell_t *params)
dvander@1859: {
dvander@1859: 	trace_t *tr;
dvander@1859: 	HandleError err;
dvander@1859: 	HandleSecurity sec(pContext->GetIdentity(), myself->GetIdentity());
dvander@1859: 
dvander@1859: 	if (params[1] == BAD_HANDLE)
dvander@1859: 	{
dvander@1859: 		tr = &g_Trace;
dvander@1859: 	} else if ((err = handlesys->ReadHandle(params[1], g_TraceHandle, &sec, (void **)&tr)) != HandleError_None) {
dvander@1859: 		return pContext->ThrowNativeError("Invalid Handle %x (error %d)", params[1], err);
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	edict_t *pEdict = gameents->BaseEntityToEdict(tr->m_pEnt);
dvander@1859: 	return engine->IndexOfEdict(pEdict);
dvander@1859: }
dvander@1859: 
dvander@1859: static cell_t smn_TRGetPointContents(IPluginContext *pContext, const cell_t *params)
dvander@1859: {
dvander@1859: 	cell_t *vec, *ent;
dvander@1859: 	IHandleEntity *hentity;
dvander@1859: 	Vector pos;
dvander@1859: 	int mask;
dvander@1859: 
dvander@1859: 	pContext->LocalToPhysAddr(params[1], &vec);
dvander@1859: 	pContext->LocalToPhysAddr(params[2], &ent);
dvander@1859: 
dvander@1859: 	pos.x = sp_ctof(vec[0]);
dvander@1859: 	pos.y = sp_ctof(vec[1]);
dvander@1859: 	pos.z = sp_ctof(vec[2]);
dvander@1859: 
dvander@1859: 	if (*ent == -1)
dvander@1859: 	{
dvander@1859: 		mask = enginetrace->GetPointContents(pos);
dvander@1859: 	} else {
dvander@1859: 		mask = enginetrace->GetPointContents(pos, &hentity);
dvander@1859: 		edict_t *pEdict = gameents->BaseEntityToEdict(reinterpret_cast<CBaseEntity *>(hentity));
dvander@1859: 		*ent = engine->IndexOfEdict(pEdict);
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	return mask;
dvander@1859: }
dvander@1859: 
dvander@1859: static cell_t smn_TRGetPointContentsEnt(IPluginContext *pContext, const cell_t *params)
dvander@1859: {
dvander@1859: 	edict_t *pEdict = engine->PEntityOfEntIndex(params[1]);
dvander@1859: 	if (!pEdict || pEdict->IsFree())
dvander@1859: 	{
dvander@1859: 		return pContext->ThrowNativeError("Entity %d is invalid", params[1]);
dvander@1859: 	}
dvander@1859: 
dvander@1859: 	cell_t *addr;
dvander@1859: 	Vector pos;
dvander@1859: 
dvander@1859: 	pContext->LocalToPhysAddr(params[2], &addr);
dvander@1859: 
dvander@1859: 	pos.x = sp_ctof(addr[0]);
dvander@1859: 	pos.y = sp_ctof(addr[1]);
dvander@1859: 	pos.z = sp_ctof(addr[2]);
dvander@1859: 
dvander@1859: 	return enginetrace->GetPointContents_Collideable(pEdict->GetCollideable(), pos);
dvander@1859: }
dvander@1859: 
dvander@1859: sp_nativeinfo_t g_TRNatives[] = 
dvander@1859: {
dvander@1859: 	{"TR_TraceRay",				smn_TRTraceRay},
dvander@2089: 	{"TR_TraceHull",			smn_TRTraceHull},
dvander@1859: 	{"TR_TraceRayEx",			smn_TRTraceRayEx},
dvander@2089: 	{"TR_TraceHullEx",			smn_TRTraceHullEx},
dvander@1859: 	{"TR_GetFraction",			smn_TRGetFraction},
dvander@1859: 	{"TR_GetEndPosition",		smn_TRGetEndPosition},
dvander@1859: 	{"TR_GetEntityIndex",		smn_TRGetEntityIndex},
dvander@1859: 	{"TR_DidHit",				smn_TRDidHit},
dvander@1859: 	{"TR_GetHitGroup",			smn_TRGetHitGroup},
dvander@1859: 	{"TR_GetPointContents",		smn_TRGetPointContents},
dvander@1859: 	{"TR_GetPointContentsEnt",	smn_TRGetPointContentsEnt},
dvander@1859: 	{"TR_TraceRayFilter",		smn_TRTraceRayFilter},
dvander@1859: 	{"TR_TraceRayFilterEx",		smn_TRTraceRayFilterEx},
dvander@2089: 	{"TR_TraceHullFilter",		smn_TRTraceHullFilter},
dvander@2089: 	{"TR_TraceHullFilterEx",	smn_TRTraceHullFilterEx},
dvander@1859: 	{"TR_GetPlaneNormal",		smn_TRGetPlaneNormal},
dvander@1859: 	{NULL,						NULL}
dvander@1859: };