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added is_visible, is_in_viewcone

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This commit is contained in:
David Anderson 2005-07-15 20:28:22 +00:00
parent 3cba7811bd
commit e8c87f8d89
1 changed files with 62 additions and 0 deletions
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62
dlls/engine/engine.cpp
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@ -833,6 +833,66 @@ static cell AMX_NATIVE_CALL set_usercmd(AMX *amx, cell *params)
return 1;
}
static cell AMX_NATIVE_CALL is_visible(AMX *amx, cell *params)
{
int src = params[1];
CHECK_ENTITY(src);
edict_t *pEntity = INDEXENT(src);
TraceResult tr;
Vector vecLookerOrigin;
cell *addr = MF_GetAmxAddr(amx, params[2]);
Vector vecOrigin(amx_ctof(addr[0]), amx_ctof(addr[1]), amx_ctof(addr[2]));
vecLookerOrigin = pEntity->v.origin + pEntity->v.view_ofs;
TRACE_LINE(vecLookerOrigin, vecOrigin, ignore_monsters, pEntity, &tr);
if (tr.flFraction != 1.0)
{
return 0;
} else {
return 1;
}
}
//taken from dlls\combat.cpp
static cell AMX_NATIVE_CALL in_view_cone(AMX *amx, cell *params)
{
int src = params[1];
CHECK_ENTITY(src);
Vector2D vec2LOS;
float flDot;
edict_t *pEdictSrc = INDEXENT(src);
cell *addr = MF_GetAmxAddr(amx, params[2]);
float vecOrigin[3];
vecOrigin[0] = amx_ctof(addr[0]);
vecOrigin[1] = amx_ctof(addr[1]);
vecOrigin[2] = amx_ctof(addr[2]);
Vector origin(vecOrigin[0], vecOrigin[1], vecOrigin[2]);
MAKE_VECTORS(pEdictSrc->v.angles);
vec2LOS = (pEdictSrc->v.origin - origin).Make2D();
vec2LOS = vec2LOS.Normalize();
flDot = DotProduct(vec2LOS, gpGlobals->v_forward.Make2D());
if (flDot > pEdictSrc->v.fov)
{
return 1;
} else{
return 0;
}
}
static cell AMX_NATIVE_CALL traceresult(AMX *amx, cell *params)
{
int type = params[1];
@ -938,6 +998,8 @@ AMX_NATIVE_INFO engine_Natives[] = {
{"register_touch", register_touch},
{"get_string", get_string},
{"in_view_cone", in_view_cone},
{"is_visible", is_visible},
{NULL, NULL},
///////////////////