amxmodx/modules/engine/forwards.cpp

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// vim: set ts=4 sw=4 tw=99 noet:
//
// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
// Copyright (C) The AMX Mod X Development Team.
//
// This software is licensed under the GNU General Public License, version 3 or higher.
// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
// https://alliedmods.net/amxmodx-license
//
// Engine Module
//
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#include "engine.h"
bool incmd = false;
int DispatchUseForward = 0;
int SpawnForward = 0;
int PlaybackForward = 0;
int DispatchKeyForward = 0;
int pfnTouchForward = 0;
int pfnThinkForward = 0;
int PlayerPreThinkForward = 0;
int PlayerPostThinkForward = 0;
int ClientKillForward = 0;
int ClientImpulseForward = 0;
int CmdStartForward = 0;
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int StartFrameForward = 0;
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int VexdTouchForward = 0;
int VexdServerForward = 0;
ke::Vector<Impulse *> Impulses;
ke::Vector<EntClass *> Thinks;
ke::Vector<Touch *> Touches;
KeyValueData *g_pkvd;
bool g_inKeyValue=false;
bool g_precachedStuff = false;
int fstrcmp(const char *s1, const char *s2)
{
int i=0;
int len1 = strlen(s1);
int len2 = strlen(s2);
if (len1 != len2)
return 0;
for (i=0; i<len1; i++)
{
if (s1[i] != s2[i])
return 0;
}
return 1;
}
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int Spawn(edict_t *pEntity)
{
if (!g_precachedStuff) {
// Used for SetView, added by JGHG
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PRECACHE_MODEL("models/rpgrocket.mdl");
g_precachedStuff = true;
}
if (SpawnForward != -1) {
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int retVal = 0;
int id = ENTINDEX(pEntity);
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retVal = MF_ExecuteForward(SpawnForward, (cell)id);
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if (retVal)
RETURN_META_VALUE(MRES_SUPERCEDE, -1);
}
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RETURN_META_VALUE(MRES_IGNORED, 0);
}
void PlaybackEvent(int flags, const edict_t *pInvoker, unsigned short eventindex, float delay, float *origin, float *angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2)
{
if (PlaybackForward != -1) {
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edict_t *e = (edict_t *)pInvoker;
int retVal = 0;
static cell cOrigin[3];
static cell cAngles[3];
Vector vOrigin = (Vector)origin;
Vector vAngles = (Vector)angles;
cOrigin[0] = amx_ftoc(vOrigin.x);
cOrigin[1] = amx_ftoc(vOrigin.y);
cOrigin[2] = amx_ftoc(vOrigin.z);
cAngles[0] = amx_ftoc(vAngles.x);
cAngles[1] = amx_ftoc(vAngles.y);
cAngles[2] = amx_ftoc(vAngles.z);
cell CellOrigin = MF_PrepareCellArray(cOrigin, 3);
cell CellAngles = MF_PrepareCellArray(cAngles, 3);
retVal = MF_ExecuteForward(PlaybackForward, (cell)flags, (cell)ENTINDEX(e), (cell)eventindex, delay, CellOrigin, CellAngles, fparam1, fparam2, (cell)iparam1, (cell)iparam2, (cell)bparam1, (cell)bparam2);
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if (retVal)
RETURN_META(MRES_SUPERCEDE);
}
RETURN_META(MRES_IGNORED);
}
void KeyValue(edict_t *pEntity, KeyValueData *pkvd)
{
int retVal = 0;
g_inKeyValue=true;
g_pkvd=pkvd;
int index = ENTINDEX(pEntity);
if (DispatchKeyForward != -1) {
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retVal = MF_ExecuteForward(DispatchKeyForward, (cell)index);
g_inKeyValue=false;
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if (retVal)
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RETURN_META(MRES_SUPERCEDE);
}
g_inKeyValue=false;
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RETURN_META(MRES_IGNORED);
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}
void StartFrame()
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{
if (StartFrameForward != -1)
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MF_ExecuteForward(StartFrameForward);
else if (VexdServerForward != -1)
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MF_ExecuteForward(VexdServerForward);
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RETURN_META(MRES_IGNORED);
}
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void StartFrame_Post()
{
g_pFunctionTable_Post->pfnStartFrame = NULL;
LIGHT_STYLE(0, glinfo.szLastLights);
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RETURN_META(MRES_IGNORED);
}
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void CmdStart(const edict_t *player, const struct usercmd_s *_cmd, unsigned int random_seed)
{
unsigned int i = 0;
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int retVal = 0;
edict_t *pEntity = (edict_t *)player;
g_cmd = (struct usercmd_s *)_cmd;
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int origImpulse = g_cmd->impulse; // incase a plugin alters it
for (i=0; i<Impulses.length(); i++)
{
if (Impulses[i]->Check == g_cmd->impulse)
{
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retVal = MF_ExecuteForward(Impulses[i]->Forward, (cell)ENTINDEX(pEntity), (cell)origImpulse);
// don't return SUPERCEDE in any way here,
// we don't want to break client_impulse forward and access to cmd with [g/s]et_usercmd
if (retVal)
g_cmd->impulse = 0;
}
}
// client_impulse
if (ClientImpulseForward != -1 && origImpulse != 0)
{
retVal = MF_ExecuteForward(ClientImpulseForward, (cell)ENTINDEX(pEntity), (cell)origImpulse);
if (retVal)
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g_cmd->impulse = 0;
}
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// client_CmdStart
if (CmdStartForward != -1)
{
incmd = true;
retVal = MF_ExecuteForward(CmdStartForward, (cell)ENTINDEX(pEntity));
incmd = false;
if (retVal)
RETURN_META(MRES_SUPERCEDE);
}
RETURN_META(MRES_IGNORED);
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}
void ClientKill(edict_t *pEntity)
{
int retVal = 0;
if (ClientKillForward != -1) {
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retVal = MF_ExecuteForward(ClientKillForward, (cell)ENTINDEX(pEntity));
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if (retVal)
RETURN_META(MRES_SUPERCEDE);
}
RETURN_META(MRES_IGNORED);
}
void PlayerPreThink(edict_t *pEntity)
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{
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MF_ExecuteForward(PlayerPreThinkForward, (cell)ENTINDEX(pEntity));
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RETURN_META(MRES_IGNORED);
}
void PlayerPostThink_Post(edict_t *pEntity)
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{
if(plinfo[ENTINDEX(pEntity)].pViewEnt) {
edict_t *pCamEnt = plinfo[ENTINDEX(pEntity)].pViewEnt;
MAKE_VECTORS(pEntity->v.v_angle + pEntity->v.punchangle);
Vector vecSrc = pEntity->v.origin + pEntity->v.view_ofs;
Vector vecAiming = gpGlobals->v_forward;
TraceResult tr;
switch(plinfo[ENTINDEX(pEntity)].iViewType) {
case CAMERA_3RDPERSON:
TRACE_LINE(vecSrc, vecSrc - (vecAiming * 128), ignore_monsters, ENT(pEntity), &tr);
SET_VIEW(pEntity, pCamEnt);
pCamEnt->v.origin = tr.vecEndPos;
pCamEnt->v.angles = pEntity->v.v_angle;
break;
case CAMERA_UPLEFT:
TRACE_LINE(vecSrc, vecSrc - ((vecAiming * 32) - ((gpGlobals->v_right * 15) + (gpGlobals->v_up * 15))), ignore_monsters, ENT(pEntity), &tr);
SET_VIEW(pEntity, pCamEnt);
pCamEnt->v.origin = tr.vecEndPos;
pCamEnt->v.angles = pEntity->v.v_angle;
break;
case CAMERA_TOPDOWN:
TRACE_LINE(vecSrc, vecSrc + Vector(0,0,2048), dont_ignore_monsters, ENT(pEntity), &tr);
SET_VIEW(pEntity, pCamEnt);
pCamEnt->v.origin = tr.vecEndPos;
pCamEnt->v.origin.z -= 40;
pCamEnt->v.angles = Vector(90,pEntity->v.v_angle.y,0);
break;
default:
SET_VIEW(pEntity, pEntity);
REMOVE_ENTITY(plinfo[ENTINDEX(pEntity)].pViewEnt);
plinfo[ENTINDEX(pEntity)].iViewType = CAMERA_NONE;
plinfo[ENTINDEX(pEntity)].pViewEnt = NULL;
break;
}
}
if (PlayerPostThinkForward != -1)
{
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if (MF_ExecuteForward(PlayerPostThinkForward, (cell)ENTINDEX(pEntity)))
RETURN_META(MRES_SUPERCEDE);
}
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RETURN_META(MRES_IGNORED);
}
void pfnTouch(edict_t *pToucher, edict_t *pTouched)
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{
unsigned int i = 0;
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int retVal = 0;
const char *ptrClass = STRING(pToucher->v.classname);
const char *ptdClass = STRING(pTouched->v.classname);
int ptrIndex = ENTINDEX(pToucher);
int ptdIndex = ENTINDEX(pTouched);
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META_RES res=MRES_IGNORED;
for (i=0; i<Touches.length(); i++)
{
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if (Touches[i]->Toucher.length() == 0)
{
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if (Touches[i]->Touched.length() == 0)
{
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retVal = MF_ExecuteForward(Touches[i]->Forward, (cell)ptrIndex, (cell)ptdIndex);
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if (retVal & 2/*PLUGIN_HANDLED_MAIN*/)
RETURN_META(MRES_SUPERCEDE);
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else if (retVal)
res=MRES_SUPERCEDE;
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} else if (Touches[i]->Touched.compare(ptdClass)==0) {
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retVal = MF_ExecuteForward(Touches[i]->Forward, (cell)ptrIndex, (cell)ptdIndex);
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if (retVal & 2/*PLUGIN_HANDLED_MAIN*/)
RETURN_META(MRES_SUPERCEDE);
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else if (retVal)
res=MRES_SUPERCEDE;
}
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} else if (Touches[i]->Toucher.compare(ptrClass)==0) {
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if (Touches[i]->Touched.length() == 0)
{
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retVal = MF_ExecuteForward(Touches[i]->Forward, (cell)ptrIndex, (cell)ptdIndex);
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if (retVal & 2/*PLUGIN_HANDLED_MAIN*/)
RETURN_META(MRES_SUPERCEDE);
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else if (retVal)
res=MRES_SUPERCEDE;
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} else if (Touches[i]->Touched.compare(ptdClass)==0) {
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retVal = MF_ExecuteForward(Touches[i]->Forward, (cell)ptrIndex, (cell)ptdIndex);
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if (retVal & 2/*PLUGIN_HANDLED_MAIN*/)
RETURN_META(MRES_SUPERCEDE);
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else if (retVal)
res=MRES_SUPERCEDE;
}
}
}
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/* Execute pfnTouch forwards */
if (pfnTouchForward != -1) {
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retVal = MF_ExecuteForward(pfnTouchForward, (cell)ptrIndex, (cell)ptdIndex);
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if (retVal)
RETURN_META(MRES_SUPERCEDE);
}
if (VexdTouchForward != -1) {
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retVal = MF_ExecuteForward(VexdTouchForward, (cell)ptrIndex, (cell)ptdIndex);
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if (retVal)
RETURN_META(MRES_SUPERCEDE);
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}
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RETURN_META(res);
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}
void Think(edict_t *pent)
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{
unsigned int i = 0;
const char *cls = STRING(pent->v.classname);
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META_RES res=MRES_IGNORED;
int retVal=0;
for (i=0; i<Thinks.length(); i++)
{
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if (Thinks[i]->Class.compare(cls)==0)
{
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retVal=MF_ExecuteForward(Thinks[i]->Forward, (cell)ENTINDEX(pent));
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if (retVal & 2/*PLUGIN_HANDLED_MAIN*/)
RETURN_META(MRES_SUPERCEDE);
else if (retVal)
res=MRES_SUPERCEDE;
}
}
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retVal=MF_ExecuteForward(pfnThinkForward, (cell)ENTINDEX(pent));
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if (retVal)
res=MRES_SUPERCEDE;
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RETURN_META(res);
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}