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smn_entities.cpp
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/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2010 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#include "sm_globals.h"
#include "sourcemod.h"
#include "sourcemm_api.h"
#include "PlayerManager.h"
#include "HalfLife2.h"
#include <IGameConfigs.h>
#include "sm_stringutil.h"
#include "logic_bridge.h"
// These values need to mirror the values in entity_prop_stocks
#define ENTFLAG_ONGROUND (1 << 0)
#define ENTFLAG_DUCKING (1 << 1)
#define ENTFLAG_WATERJUMP (1 << 2)
#define ENTFLAG_ONTRAIN (1 << 3)
#define ENTFLAG_INRAIN (1 << 4)
#define ENTFLAG_FROZEN (1 << 5)
#define ENTFLAG_ATCONTROLS (1 << 6)
#define ENTFLAG_CLIENT (1 << 7)
#define ENTFLAG_FAKECLIENT (1 << 8)
#define ENTFLAG_INWATER (1 << 9)
#define ENTFLAG_FLY (1 << 10)
#define ENTFLAG_SWIM (1 << 11)
#define ENTFLAG_CONVEYOR (1 << 12)
#define ENTFLAG_NPC (1 << 13)
#define ENTFLAG_GODMODE (1 << 14)
#define ENTFLAG_NOTARGET (1 << 15)
#define ENTFLAG_AIMTARGET (1 << 16)
#define ENTFLAG_PARTIALGROUND (1 << 17)
#define ENTFLAG_STATICPROP (1 << 18)
#define ENTFLAG_GRAPHED (1 << 19)
#define ENTFLAG_GRENADE (1 << 20)
#define ENTFLAG_STEPMOVEMENT (1 << 21)
#define ENTFLAG_DONTTOUCH (1 << 22)
#define ENTFLAG_BASEVELOCITY (1 << 23)
#define ENTFLAG_WORLDBRUSH (1 << 24)
#define ENTFLAG_OBJECT (1 << 25)
#define ENTFLAG_KILLME (1 << 26)
#define ENTFLAG_ONFIRE (1 << 27)
#define ENTFLAG_DISSOLVING (1 << 28)
#define ENTFLAG_TRANSRAGDOLL (1 << 29)
#define ENTFLAG_UNBLOCKABLE_BY_PLAYER (1 << 30)
#define ENTFLAG_FREEZING (1 << 31)
#define ENTFLAG_EP2V_UNKNOWN1 (1 << 31)
// Not defined in the sdk as we have no clue what it is
#define FL_EP2V_UNKNOWN (1 << 2)
enum PropType
{
Prop_Send = 0,
Prop_Data
};
enum PropFieldType
{
PropField_Unsupported, /**< The type is unsupported. */
PropField_Integer, /**< Valid for SendProp and Data fields */
PropField_Float, /**< Valid for SendProp and Data fields */
PropField_Entity, /**< Valid for Data fields only (SendProp shows as int) */
PropField_Vector, /**< Valid for SendProp and Data fields */
PropField_String, /**< Valid for SendProp and Data fields */
PropField_String_T, /**< Valid for Data fields. Read only! */
PropField_Variant, /**< Valid for variants/any. (User must know type) */
};
// From game/server/variant_t.h, same on all supported games.
class variant_t
{
public:
union
{
bool bVal;
string_t iszVal;
int iVal;
float flVal;
float vecVal[3];
color32 rgbaVal;
};
CBaseHandle eVal;
fieldtype_t fieldType;
};
// From game/server/baseentity.h, same on all supported games.
struct inputdata_t
{
CBaseEntity *pActivator; // The entity that initially caused this chain of output events.
CBaseEntity *pCaller; // The entity that fired this particular output.
variant_t value; // The data parameter for this output.
int nOutputID; // The unique ID of the output that was fired.
};
inline bool CanSetPropName(const char *pszPropName)
{
#if SOURCE_ENGINE == SE_CSGO
return g_HL2.CanSetCSGOEntProp(pszPropName);
#else
return true;
#endif
}
inline edict_t *BaseEntityToEdict(CBaseEntity *pEntity)
{
IServerUnknown *pUnk = (IServerUnknown *)pEntity;
IServerNetworkable *pNet = pUnk->GetNetworkable();
if (pNet == nullptr)
{
return nullptr;
}
return pNet->GetEdict();
}
inline edict_t *GetEdict(cell_t num)
{
edict_t *pEdict;
if (!IndexToAThings(num, NULL, &pEdict))
{
return NULL;
}
return pEdict;
}
inline CBaseEntity *GetEntity(cell_t num)
{
CBaseEntity *pEntity;
if (!IndexToAThings(num, &pEntity, NULL))
{
return NULL;
}
return pEntity;
}
/* Given an entity reference or index, fill out a CBaseEntity and/or edict.
If lookup is successful, returns true and writes back the two parameters.
If lookup fails, returns false and doesn't touch the params. */
bool IndexToAThings(cell_t num, CBaseEntity **pEntData, edict_t **pEdictData)
{
CBaseEntity *pEntity = g_HL2.ReferenceToEntity(num);
if (!pEntity)
{
return false;
}
int index = g_HL2.ReferenceToIndex(num);
if (index > 0 && index <= g_Players.GetMaxClients())
{
CPlayer *pPlayer = g_Players.GetPlayerByIndex(index);
if (!pPlayer || !pPlayer->IsConnected())
{
return false;
}
}
if (pEntData)
{
*pEntData = pEntity;
}
if (pEdictData)
{
edict_t *pEdict = ::BaseEntityToEdict(pEntity);
if (!pEdict || pEdict->IsFree())
{
pEdict = NULL;
}
*pEdictData = pEdict;
}
return true;
}
/*
<predcrab> AThings is like guaranteed r+ by dvander though
<predcrab> he wont even read the rest of the patch to nit stuff
<Fyren> Like I wasn't going to r? you anyway!
<predcrab> he still sees!
<predcrab> he's everywhere
*/
class VEmptyClass {};
datamap_t *VGetDataDescMap(CBaseEntity *pThisPtr, int offset)
{
void **this_ptr = *reinterpret_cast<void ***>(&pThisPtr);
void **vtable = *reinterpret_cast<void ***>(pThisPtr);
void *vfunc = vtable[offset];
union
{
datamap_t *(VEmptyClass::*mfpnew)();
#ifndef PLATFORM_POSIX
void *addr;
} u;
u.addr = vfunc;
#else
struct
{
void *addr;
intptr_t adjustor;
} s;
} u;
u.s.addr = vfunc;
u.s.adjustor = 0;
#endif
return (datamap_t *)(reinterpret_cast<VEmptyClass *>(this_ptr)->*u.mfpnew)();
}
inline datamap_t *CBaseEntity_GetDataDescMap(CBaseEntity *pEntity)
{
int offset;
if (!g_pGameConf->GetOffset("GetDataDescMap", &offset) || !offset)
{
return NULL;
}
return VGetDataDescMap(pEntity, offset);
}
/* :TODO: Move this! */
datamap_t *CHalfLife2::GetDataMap(CBaseEntity *pEntity)
{
return CBaseEntity_GetDataDescMap(pEntity);
}
static cell_t GetMaxEntities(IPluginContext *pContext, const cell_t *params)
{
return gpGlobals->maxEntities;
}
static cell_t CreateEdict(IPluginContext *pContext, const cell_t *params)
{
edict_t *pEdict = engine->CreateEdict();
if (!pEdict)
{
return 0;
}
return IndexOfEdict(pEdict);
}
static cell_t RemoveEdict(IPluginContext *pContext, const cell_t *params)
{
edict_t *pEdict = GetEdict(params[1]);
if (!pEdict)
{
return pContext->ThrowNativeError("Edict %d (%d) is not a valid edict", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
if (g_HL2.ReferenceToIndex(params[1]) == 0)
{
return pContext->ThrowNativeError("Cannot remove worldspawn (edict 0)");
}
engine->RemoveEdict(pEdict);
return 1;
}
static cell_t RemoveEntity(IPluginContext *pContext, const cell_t *params)
{
auto *pEntity = GetEntity(params[1]);
if (!pEntity)
{
return pContext->ThrowNativeError("Entity %d (%d) is not a valid entity", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
if (g_HL2.ReferenceToIndex(params[1]) == 0)
{
return pContext->ThrowNativeError("Cannot remove worldspawn (entity 0)");
}
// Some games have UTIL_Remove exposed on IServerTools, but for consistence, we'll
// use this method for all. Results in DeathNotice( this ) being called on parent,
// and parent being cleared (both if any parent) before UTIL_Remove is called.
static inputfunc_t fnKillEntity = nullptr;
if (!fnKillEntity)
{
// Get world, as other ents aren't guaranteed to inherit full datadesc (but kill func is same for all)
CBaseEntity *pGetterEnt = g_HL2.ReferenceToEntity(0);
if (pGetterEnt == nullptr)
{
// If we don't have a world entity yet, we'll have to rely on the given entity. Does this even make sense???
pGetterEnt = pEntity;
}
datamap_t *pMap = g_HL2.GetDataMap(pGetterEnt);
sm_datatable_info_t info;
if (!g_HL2.FindDataMapInfo(pMap, "InputKill", &info))
{
return pContext->ThrowNativeError("Failed to find Kill input!");
}
fnKillEntity = info.prop->inputFunc;
}
// Input data is ignored for this. No need to initialize
static inputdata_t data;
(pEntity->*fnKillEntity)(data);
return 1;
}
static cell_t IsValidEdict(IPluginContext *pContext, const cell_t *params)
{
edict_t *pEdict = GetEdict(params[1]);
if (!pEdict)
{
return 0;
}
/* Shouldn't be necessary... not sure though */
return pEdict->IsFree() ? 0 : 1;
}
static cell_t IsValidEntity(IPluginContext *pContext, const cell_t *params)
{
CBaseEntity *pEntity = g_HL2.ReferenceToEntity(params[1]);
return (pEntity != NULL) ? 1 : 0;
}
static cell_t IsEntNetworkable(IPluginContext *pContext, const cell_t *params)
{
IServerUnknown *pUnknown = (IServerUnknown *)g_HL2.ReferenceToEntity(params[1]);
if (!pUnknown)
{
return 0;
}
IServerNetworkable *pNet = pUnknown->GetNetworkable();
if (!pNet)
{
return 0;
}
edict_t* edict = pNet->GetEdict();
return (edict && !edict->IsFree()) ? 1 : 0;
}
static cell_t GetEntityCount(IPluginContext *pContext, const cell_t *params)
{
return engine->GetEntityCount();
}
static cell_t GetEdictFlags(IPluginContext *pContext, const cell_t *params)
{
edict_t *pEdict = GetEdict(params[1]);
if (!pEdict)
{
return pContext->ThrowNativeError("Invalid edict (%d - %d)", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
return pEdict->m_fStateFlags;
}
static cell_t SetEdictFlags(IPluginContext *pContext, const cell_t *params)
{
edict_t *pEdict = GetEdict(params[1]);
if (!pEdict)
{
return pContext->ThrowNativeError("Invalid edict (%d - %d)", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
pEdict->m_fStateFlags = params[2];
return 1;
}
static cell_t GetEdictClassname(IPluginContext *pContext, const cell_t *params)
{
edict_t *pEdict = GetEdict(params[1]);
if (!pEdict)
{
return pContext->ThrowNativeError("Invalid edict (%d - %d)", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
const char *cls = g_HL2.GetEntityClassname(pEdict);
if (!cls || cls[0] == '\0')
{
return 0;
}
pContext->StringToLocal(params[2], params[3], cls);
return 1;
}
static cell_t GetEntityNetClass(IPluginContext *pContext, const cell_t *params)
{
CBaseEntity *pEntity = g_HL2.ReferenceToEntity(params[1]);
IServerUnknown *pUnk = (IServerUnknown *)pEntity;
if (!pEntity)
{
return pContext->ThrowNativeError("Invalid entity (%d - %d)", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
ServerClass *pClass = g_HL2.FindEntityServerClass(pEntity);
if (!pClass)
{
return 0;
}
pContext->StringToLocal(params[2], params[3], pClass->GetName());
return 1;
}
static cell_t GetEntData(IPluginContext *pContext, const cell_t *params)
{
CBaseEntity *pEntity = GetEntity(params[1]);
if (!pEntity)
{
return pContext->ThrowNativeError("Entity %d (%d) is invalid", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
int offset = params[2];
if (offset <= 0 || offset > 32768)
{
return pContext->ThrowNativeError("Offset %d is invalid", offset);
}
switch (params[3])
{
case 4:
return *(int *)((uint8_t *)pEntity + offset);
case 2:
return *(short *)((uint8_t *)pEntity + offset);
case 1:
return *((uint8_t *)pEntity + offset);
default:
return pContext->ThrowNativeError("Integer size %d is invalid", params[3]);
}
}
static cell_t SetEntData(IPluginContext *pContext, const cell_t *params)
{
CBaseEntity *pEntity;
edict_t *pEdict;
if (!IndexToAThings(params[1], &pEntity, &pEdict))
{
return pContext->ThrowNativeError("Entity %d (%d) is invalid", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
int offset = params[2];
if (offset <= 0 || offset > 32768)
{
return pContext->ThrowNativeError("Offset %d is invalid", offset);
}
if (params[5] && (pEdict != NULL))
{
g_HL2.SetEdictStateChanged(pEdict, offset);
}
switch (params[4])
{
case 4:
{
*(int *)((uint8_t *)pEntity + offset) = params[3];
break;
}
case 2:
{
*(short *)((uint8_t *)pEntity + offset) = params[3];
break;
}
case 1:
{
*((uint8_t *)pEntity + offset) = params[3];
break;
}
default:
return pContext->ThrowNativeError("Integer size %d is invalid", params[4]);
}
return 1;
}
static cell_t GetEntDataFloat(IPluginContext *pContext, const cell_t *params)
{
CBaseEntity *pEntity = GetEntity(params[1]);
if (!pEntity)
{
return pContext->ThrowNativeError("Entity %d (%d) is invalid", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
int offset = params[2];
if (offset <= 0 || offset > 32768)
{
return pContext->ThrowNativeError("Offset %d is invalid", offset);
}
float f = *(float *)((uint8_t *)pEntity + offset);
return sp_ftoc(f);
}
static cell_t SetEntDataFloat(IPluginContext *pContext, const cell_t *params)
{
CBaseEntity *pEntity;
edict_t *pEdict;
if (!IndexToAThings(params[1], &pEntity, &pEdict))
{
return pContext->ThrowNativeError("Entity %d (%d) is invalid", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
int offset = params[2];
if (offset <= 0 || offset > 32768)
{
return pContext->ThrowNativeError("Offset %d is invalid", offset);
}
*(float *)((uint8_t *)pEntity + offset) = sp_ctof(params[3]);
if (params[4] && (pEdict != NULL))
{
g_HL2.SetEdictStateChanged(pEdict, offset);
}
return 1;
}
static cell_t GetEntDataVector(IPluginContext *pContext, const cell_t *params)
{
CBaseEntity *pEntity = GetEntity(params[1]);
if (!pEntity)
{
return pContext->ThrowNativeError("Entity %d (%d) is invalid", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
int offset = params[2];
if (offset <= 0 || offset > 32768)
{
return pContext->ThrowNativeError("Offset %d is invalid", offset);
}
Vector *v = (Vector *)((uint8_t *)pEntity + offset);
cell_t *vec;
pContext->LocalToPhysAddr(params[3], &vec);
vec[0] = sp_ftoc(v->x);
vec[1] = sp_ftoc(v->y);
vec[2] = sp_ftoc(v->z);
return 1;
}
static cell_t SetEntDataVector(IPluginContext *pContext, const cell_t *params)
{
CBaseEntity *pEntity;
edict_t *pEdict;
if (!IndexToAThings(params[1], &pEntity, &pEdict))
{
return pContext->ThrowNativeError("Entity %d (%d) is invalid", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
int offset = params[2];
if (offset <= 0 || offset > 32768)
{
return pContext->ThrowNativeError("Offset %d is invalid", offset);
}
Vector *v = (Vector *)((uint8_t *)pEntity + offset);
cell_t *vec;
pContext->LocalToPhysAddr(params[3], &vec);
v->x = sp_ctof(vec[0]);
v->y = sp_ctof(vec[1]);
v->z = sp_ctof(vec[2]);
if (params[4] && (pEdict != NULL))
{
g_HL2.SetEdictStateChanged(pEdict, offset);
}
return 1;
}
/* THIS GUY IS DEPRECATED. */
static cell_t GetEntDataEnt(IPluginContext *pContext, const cell_t *params)
{
CBaseEntity *pEntity = GetEntity(params[1]);
if (!pEntity)
{
return pContext->ThrowNativeError("Entity %d (%d) is invalid", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
int offset = params[2];
if (offset <= 0 || offset > 32768)
{
return pContext->ThrowNativeError("Offset %d is invalid", offset);
}
CBaseHandle &hndl = *(CBaseHandle *)((uint8_t *)pEntity + offset);
if (!hndl.IsValid())
{
return 0;
}
int ref = g_HL2.IndexToReference(hndl.GetEntryIndex());
return g_HL2.ReferenceToBCompatRef(ref);
}
int CheckBaseHandle(CBaseHandle &hndl)
{
if (!hndl.IsValid())
{
return -1;
}
int index = hndl.GetEntryIndex();
edict_t *pStoredEdict;
CBaseEntity *pStoredEntity;
if (!IndexToAThings(index, &pStoredEntity, &pStoredEdict))
{
return -1;
}
if (pStoredEdict == NULL || pStoredEntity == NULL)
{
return -1;
}
IServerEntity *pSE = pStoredEdict->GetIServerEntity();
if (pSE == NULL)
{
return -1;
}
if (pSE->GetRefEHandle() != hndl)
{
return -1;
}
return index;
}
static cell_t GetEntDataEnt2(IPluginContext *pContext, const cell_t *params)
{
CBaseEntity *pEntity = GetEntity(params[1]);
if (pEntity == NULL)
{
return pContext->ThrowNativeError("Entity %d (%d) is invalid", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
int offset = params[2];
if (offset <= 0 || offset > 32768)
{
return pContext->ThrowNativeError("Offset %d is invalid", offset);
}
CBaseHandle &hndl = *(CBaseHandle *)((uint8_t *)pEntity + offset);
CBaseEntity *pHandleEntity = g_HL2.ReferenceToEntity(hndl.GetEntryIndex());
if (!pHandleEntity || hndl != reinterpret_cast<IHandleEntity *>(pHandleEntity)->GetRefEHandle())
return -1;
return g_HL2.EntityToBCompatRef(pHandleEntity);
}
//memory addresses below 0x10000 are automatically considered invalid for dereferencing
//this is copied over from smn_core.cpp
#define VALID_MINIMUM_MEMORY_ADDRESS 0x10000
static cell_t LoadEntityFromHandleAddress(IPluginContext *pContext, const cell_t *params)
{
#ifdef KE_ARCH_X86
void *addr = reinterpret_cast<void*>(params[1]);
#else
void *addr = g_SourceMod.FromPseudoAddress(params[1]);
#endif
if (addr == NULL)
{
return pContext->ThrowNativeError("Address cannot be null");
}
else if (reinterpret_cast<uintptr_t>(addr) < VALID_MINIMUM_MEMORY_ADDRESS)
{
return pContext->ThrowNativeError("Invalid address 0x%x is pointing to reserved memory.", addr);
}
CBaseHandle &hndl = *reinterpret_cast<CBaseHandle*>(addr);
CBaseEntity *pHandleEntity = g_HL2.ReferenceToEntity(hndl.GetEntryIndex());
if (!pHandleEntity || hndl != reinterpret_cast<IHandleEntity *>(pHandleEntity)->GetRefEHandle())
return -1;
return g_HL2.EntityToBCompatRef(pHandleEntity);
}
/* THIS GUY IS DEPRECATED. */
static cell_t SetEntDataEnt(IPluginContext *pContext, const cell_t *params)
{
CBaseEntity *pEntity;
edict_t *pEdict;
if (!IndexToAThings(params[1], &pEntity, &pEdict))
{
return pContext->ThrowNativeError("Entity %d (%d) is invalid", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
int offset = params[2];
if (offset <= 0 || offset > 32768)
{
return pContext->ThrowNativeError("Offset %d is invalid", offset);
}
CBaseHandle &hndl = *(CBaseHandle *)((uint8_t *)pEntity + offset);
if (params[3] == 0 || (unsigned)params[3] == INVALID_EHANDLE_INDEX)
{
hndl.Set(NULL);
} else {
CBaseEntity *pOther = GetEntity(params[3]);
if (!pOther)
{
return pContext->ThrowNativeError("Entity %d (%d) is invalid", g_HL2.ReferenceToIndex(params[3]), params[3]);
}
IHandleEntity *pHandleEnt = (IHandleEntity *)pOther;
hndl.Set(pHandleEnt);
}
if (params[4] && (pEdict != NULL))
{
g_HL2.SetEdictStateChanged(pEdict, offset);
}
return 1;
}
static cell_t SetEntDataEnt2(IPluginContext *pContext, const cell_t *params)
{
CBaseEntity *pEntity;
edict_t *pEdict;
if (!IndexToAThings(params[1], &pEntity, &pEdict))
{
return pContext->ThrowNativeError("Entity %d (%d) is invalid", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
int offset = params[2];
if (offset <= 0 || offset > 32768)
{
return pContext->ThrowNativeError("Offset %d is invalid", offset);
}
CBaseHandle &hndl = *(CBaseHandle *)((uint8_t *)pEntity + offset);
if ((unsigned)params[3] == INVALID_EHANDLE_INDEX)
{
hndl.Set(NULL);
}
else
{
CBaseEntity *pOther = GetEntity(params[3]);
if (!pOther)
{
return pContext->ThrowNativeError("Entity %d (%d) is invalid", g_HL2.ReferenceToIndex(params[3]), params[3]);
}
IHandleEntity *pHandleEnt = (IHandleEntity *)pOther;
hndl.Set(pHandleEnt);
}
if (params[4] && (pEdict != NULL))
{
g_HL2.SetEdictStateChanged(pEdict, offset);
}
return 1;
}
static cell_t StoreEntityToHandleAddress(IPluginContext *pContext, const cell_t *params)
{
#ifdef KE_ARCH_X86
void *addr = reinterpret_cast<void*>(params[1]);
#else
void *addr = g_SourceMod.FromPseudoAddress(params[1]);
#endif
if (addr == NULL)
{
return pContext->ThrowNativeError("Address cannot be null");
}
else if (reinterpret_cast<uintptr_t>(addr) < VALID_MINIMUM_MEMORY_ADDRESS)
{
return pContext->ThrowNativeError("Invalid address 0x%x is pointing to reserved memory.", addr);
}
CBaseHandle &hndl = *reinterpret_cast<CBaseHandle*>(addr);
if ((unsigned)params[2] == INVALID_EHANDLE_INDEX)
{
hndl.Set(NULL);
}
else
{
CBaseEntity *pOther = GetEntity(params[2]);
if (!pOther)
{
return pContext->ThrowNativeError("Entity %d (%d) is invalid", g_HL2.ReferenceToIndex(params[2]), params[2]);
}
IHandleEntity *pHandleEnt = (IHandleEntity *)pOther;
hndl.Set(pHandleEnt);
}
return 1;
}
static cell_t ChangeEdictState(IPluginContext *pContext, const cell_t *params)
{
edict_t *pEdict = GetEdict(params[1]);
if (!pEdict)
{
return pContext->ThrowNativeError("Edict %d (%d) is invalid", g_HL2.ReferenceToIndex(params[1]), params[1]);
}
g_HL2.SetEdictStateChanged(pEdict, params[2]);
return 1;
}
static cell_t FindSendPropOffs(IPluginContext *pContext, const cell_t *params)
{
char *cls, *prop;
pContext->LocalToString(params[1], &cls);
pContext->LocalToString(params[2], &prop);
SendProp *pSend = g_HL2.FindInSendTable(cls, prop);
if (!pSend)
{
return -1;
}
// Before we added support for DPT_Array props, FindInSendTable would have given us the inner array prop itself.
// To maintain compatibility with older plugins still using us, pluck out the inner array prop ourselves.
if (pSend->GetType() == DPT_Array && pSend->GetArrayProp()) {
return pSend->GetArrayProp()->GetOffset();
}
return pSend->GetOffset();
}
static cell_t FindSendPropInfo(IPluginContext *pContext, const cell_t *params)
{
char *cls, *prop;
sm_sendprop_info_t info;
cell_t *pType, *pBits, *pLocal, *pArraySize = nullptr;
pContext->LocalToString(params[1], &cls);
pContext->LocalToString(params[2], &prop);
if (!g_HL2.FindSendPropInfo(cls, prop, &info))
{
return -1;
}
pContext->LocalToPhysAddr(params[3], &pType);
pContext->LocalToPhysAddr(params[4], &pBits);
pContext->LocalToPhysAddr(params[5], &pLocal);
if (params[0] >= 6) {
pContext->LocalToPhysAddr(params[6], &pArraySize);
*pArraySize = 0;
}
SendProp *pProp = info.prop;
unsigned int actual_offset = info.actual_offset;
// SendPropArray / SendPropArray2
if (pProp->GetType() == DPT_Array && pProp->GetArrayProp())
{
if (pArraySize) {
// This'll only work for SendPropArray
*pArraySize = pProp->GetNumElements();
}
// Use the type / bits / local offset of the real data prop
pProp = pProp->GetArrayProp();
// This is sane as the DPT_Array prop's local offset is always 0
actual_offset += pProp->GetOffset();
}
// Get the local offset now before we might dive into another table
*pLocal = pProp->GetOffset();
// SendPropArray3
SendTable *pTable = pProp->GetDataTable();
if (pProp->GetType() == DPT_DataTable && pTable && pTable->GetNumProps() > 0)
{
if (pArraySize) {
*pArraySize = pTable->GetNumProps();
}
// Use the type / bits of the first data prop
pProp = pTable->GetProp(0);
}
switch (pProp->GetType())
{
case DPT_Int:
{
*pType = PropField_Integer;
break;
}
case DPT_Float:
{
*pType = PropField_Float;
break;
}
case DPT_String:
{
*pType = PropField_String;
break;
}
case DPT_Vector:
{
*pType = PropField_Vector;
break;
}
default:
{
*pType = PropField_Unsupported;
break;
}
}
*pBits = pProp->m_nBits;
return actual_offset;
}
static void GuessDataPropTypes(typedescription_t *td, cell_t * pSize, cell_t * pType)