//taken from dlls\combat.cpp
static cell AMX_NATIVE_CALL in_view_cone(AMX *amx, cell *params)
{
int src = params[1];
CHECK_ENTITY(src);
edict_t *pEdictSrc = INDEXENT(src);
Vector vecLOS, vecForward;
float flDot;
cell *addr = MF_GetAmxAddr(amx, params[2]);
Vector origin(amx_ctof(addr[0]), amx_ctof(addr[1]), amx_ctof(addr[2]));
bool use2D = (params[0] / sizeof(cell)) == 2 || params[3] == 0;
if (use2D)
{
MAKE_VECTORS(pEdictSrc->v.angles);
vecForward = gpGlobals->v_forward;
vecLOS = origin - pEdictSrc->v.origin;
vecForward.z = 0;
vecLOS.z = 0;
}
else
{
MAKE_VECTORS(pEdictSrc->v.v_angle);
vecForward = gpGlobals->v_forward;
vecLOS = origin - (pEdictSrc->v.origin + pEdictSrc->v.view_ofs);
}
vecLOS = vecLOS.Normalize();
flDot = DotProduct(vecLOS, vecForward);
/* Dividing fov by two and then converting it to radians - don't ask about this ever again, please :\ */
if (flDot >= cos(pEdictSrc->v.fov * (M_PI / 360)))
return 1;
else
return 0;
}
void UTIL_MakeInvVectors( const Vector &vec, globalvars_t *pgv )
{
MAKE_VECTORS(vec);
float tmp;
pgv->v_right = pgv->v_right * -1;
SWAP(pgv->v_forward.y, pgv->v_right.x, tmp);
SWAP(pgv->v_forward.z, pgv->v_up.x, tmp);
SWAP(pgv->v_right.z, pgv->v_up.y, tmp);
}
void PlayerPostThink_Post(edict_t *pEntity)
{
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)
{
if (MF_ExecuteForward(PlayerPostThinkForward, (cell)ENTINDEX(pEntity)))
RETURN_META(MRES_SUPERCEDE);
}
RETURN_META(MRES_IGNORED);
}
void UTIL_MakeAimVectors( const Vector &vecAngles )
{
Vector rgflVec = vecAngles;
rgflVec[0] = -rgflVec[0];
MAKE_VECTORS(rgflVec);
}
void UTIL_MakeVectors( const Vector &vecAngles )
{
MAKE_VECTORS( vecAngles );
}
//contributed by twistedeuphoria
static cell AMX_NATIVE_CALL trace_forward(AMX *amx, cell *params)
//native trace_forward(Float:start[3], Float:angles[3], give, ignoreEnt, &Float:hitX, &Float:hitY, &Float:shortestDistance, &Float:shortestDistLow, &Float:shortestDistHigh)
{
cell *cStart = MF_GetAmxAddr(amx, params[1]);
cell *cAngles = MF_GetAmxAddr(amx, params[2]);
REAL fGive = amx_ctof(params[3]);
int iIgnoreEnt = params[4];
cell *hitX = MF_GetAmxAddr(amx, params[5]);
cell *hitY = MF_GetAmxAddr(amx, params[6]);
cell *shortestDistance = MF_GetAmxAddr(amx, params[7]);
cell *shortestDistLow = MF_GetAmxAddr(amx, params[8]);
cell *shortestDistHigh = MF_GetAmxAddr(amx, params[9]);
if(fGive < 0.0)
fGive = 20.0;
REAL fStartX = amx_ctof(cStart[0]);
REAL fStartY = amx_ctof(cStart[1]);
REAL fStartZ = amx_ctof(cStart[2]);
REAL fAnglesX = amx_ctof(cAngles[0]);
REAL fAnglesY = amx_ctof(cAngles[1]);
REAL fAnglesZ = amx_ctof(cAngles[2]);
Vector playerAngleVector = Vector(fAnglesX,fAnglesY,fAnglesZ);
MAKE_VECTORS(playerAngleVector);
Vector forwardVector = gpGlobals->v_forward;
REAL fEndX = forwardVector[0] * 4000;
REAL fEndY = forwardVector[1] * 4000;
REAL fClosestDist = 999999.9;
REAL fClosestLow = 0.0;
REAL fClosestHigh = 0.0;
REAL fClosestX = 0.0;
REAL fClosestY = 0.0;
TraceResult tr;
REAL fRetX;
REAL fRetY;
REAL fRetZ;
for(int inum=-36;inum<=36;inum++)
{
REAL fUseZ = fStartZ + (REAL)inum;
Vector vStart = Vector(fStartX, fStartY, fUseZ);
Vector vEnd = Vector(fEndX, fEndY, fUseZ);
if(iIgnoreEnt == -1)
TRACE_LINE(vStart, vEnd, ignore_monsters, NULL, &tr);
else
TRACE_LINE(vStart, vEnd, dont_ignore_monsters, INDEXENT2(iIgnoreEnt), &tr);
fRetX = tr.vecEndPos.x;
fRetY = tr.vecEndPos.y;
fRetZ = tr.vecEndPos.z;
Vector vHit = Vector(fRetX, fRetY, fRetZ);
REAL fLength = (vStart - vHit).Length();
if(fabs(fLength - fClosestDist) < fGive)
fClosestHigh = fUseZ - fStartZ;
else if(fLength < fClosestDist)
{
fClosestDist = fLength;
fClosestLow = fUseZ - fStartZ;
fClosestHigh = fUseZ - fStartZ;
fClosestX = fRetX;
fClosestY = fRetY;
}
}
fClosestLow += 36.0;
fClosestHigh += 36.0;
*hitX = amx_ftoc(fClosestX);
*hitY = amx_ftoc(fClosestY);
*shortestDistance = amx_ftoc(fClosestDist);
*shortestDistLow = amx_ftoc(fClosestLow);
*shortestDistHigh = amx_ftoc(fClosestHigh);
return 1;
}
