void TryUse( gentity_t *ent )
{
gentity_t *target;
trace_t trace;
vec3_t src, dest, vf;
if ( ent->s.number == 0 && ent->client->NPC_class == CLASS_ATST )
{//a player trying to get out of his ATST
GEntity_UseFunc( ent->activator, ent, ent );
return;
}
//FIXME: this does not match where the new accurate crosshair aims...
//cg.refdef.vieworg, basically
VectorCopy( ent->client->renderInfo.eyePoint, src );
AngleVectors( ent->client->ps.viewangles, vf, NULL, NULL );//ent->client->renderInfo.eyeAngles was cg.refdef.viewangles, basically
//extend to find end of use trace
VectorMA( src, USE_DISTANCE, vf, dest );
//Trace ahead to find a valid target
gi.trace( &trace, src, vec3_origin, vec3_origin, dest, ent->s.number, MASK_OPAQUE|CONTENTS_SOLID|CONTENTS_BODY|CONTENTS_ITEM|CONTENTS_CORPSE, G2_NOCOLLIDE, 0 );
if ( trace.fraction == 1.0f || trace.entityNum < 1 )
{
//TODO: Play a failure sound
/*
if ( ent->s.number == 0 )
{//if nothing else, try the force telepathy power
ForceTelepathy( ent );
}
*/
return;
}
target = &g_entities[trace.entityNum];
//Check for a use command
if ( ValidUseTarget( target ) )
{
NPC_SetAnim( ent, SETANIM_TORSO, BOTH_BUTTON_HOLD, SETANIM_FLAG_OVERRIDE|SETANIM_FLAG_HOLD );
/*
if ( !VectorLengthSquared( ent->client->ps.velocity ) && !PM_CrouchAnim( ent->client->ps.legsAnim ) )
{
NPC_SetAnim( ent, SETANIM_LEGS, BOTH_BUTTON_HOLD, SETANIM_FLAG_NORMAL|SETANIM_FLAG_HOLD );
}
*/
//ent->client->ps.weaponTime = ent->client->ps.torsoAnimTimer;
GEntity_UseFunc( target, ent, ent );
return;
}
else if ( target->client
&& target->client->ps.pm_type < PM_DEAD
&& target->NPC!=NULL
&& target->client->playerTeam
&& (target->client->playerTeam == ent->client->playerTeam || target->client->playerTeam == TEAM_NEUTRAL)
&& !(target->NPC->scriptFlags&SCF_NO_RESPONSE) )
{
NPC_UseResponse ( target, ent, qfalse );
return;
}
/*
if ( ent->s.number == 0 )
{//if nothing else, try the force telepathy power
ForceTelepathy( ent );
}
*/
}
qboolean CanUseInfrontOf(gentity_t *ent)
{
gentity_t *target;
trace_t trace;
vec3_t src, dest, vf;
if ( ent->s.number && ent->client->NPC_class == CLASS_ATST )
{//a player trying to get out of his ATST
// GEntity_UseFunc( ent->activator, ent, ent );
return qfalse;
}
if (ent->client->ps.viewEntity != ent->s.number)
{
ent = &g_entities[ent->client->ps.viewEntity];
if ( !Q_stricmp( "misc_camera", ent->classname ) )
{ // we are in a camera
gentity_t *next = 0;
if ( ent->target2 != NULL )
{
next = G_Find( NULL, FOFS(targetname), ent->target2 );
}
if ( next )
{//found another one
if ( !Q_stricmp( "misc_camera", next->classname ) )
{//make sure it's another camera
return qtrue;
}
}
else //if ( ent->health > 0 )
{//I was the last (only?) one, clear out the viewentity
return qfalse;
}
}
}
if ( !ent->client ) {
return qfalse;
}
//FIXME: this does not match where the new accurate crosshair aims...
//cg.refdef.vieworg, basically
VectorCopy( ent->client->renderInfo.eyePoint, src );
AngleVectors( ent->client->ps.viewangles, vf, NULL, NULL );
//extend to find end of use trace
VectorMA( src, USE_DISTANCE, vf, dest );
//Trace ahead to find a valid target
gi.trace( &trace, src, vec3_origin, vec3_origin, dest, ent->s.number, MASK_OPAQUE|CONTENTS_SOLID|CONTENTS_TERRAIN|CONTENTS_BODY|CONTENTS_ITEM|CONTENTS_CORPSE , G2_NOCOLLIDE, 10);
if ( trace.fraction == 1.0f || trace.entityNum >= ENTITYNUM_WORLD )
{
return (CanUseInfrontOfPartOfLevel(ent));
}
target = &g_entities[trace.entityNum];
if ( target && target->client && target->client->NPC_class == CLASS_VEHICLE )
{
// Attempt to board this vehicle.
return qtrue;
}
//Check for a use command
if (ValidUseTarget( target )) {
if ( target->s.eType == ET_ITEM )
{//item, see if we could actually pick it up
if ( (target->spawnflags&128/*ITMSF_USEPICKUP*/) )
{//player has to be touching me and hit use to pick it up, so don't allow this
if ( !G_BoundsOverlap( target->absmin, target->absmax, ent->absmin, ent->absmax ) )
{//not touching
return qfalse;
}
}
if ( !BG_CanItemBeGrabbed( &target->s, &ent->client->ps ) )
{//nope, so don't indicate that we can use it
return qfalse;
}
}
else if ( target->e_UseFunc == useF_misc_atst_use )
{//drivable AT-ST from JK2
if ( ent->client->ps.groundEntityNum != target->s.number )
{//must be standing on it to use it
return qfalse;
}
}
else if ( target->NPC!=NULL && target->health<=0 )
{
return qfalse;
}
else if ( target->e_UseFunc == useF_eweb_use )
{
if ( !eweb_can_be_used( target, ent, ent ) )
{
return qfalse;
}
}
return qtrue;
}
if ( target->client
&& target->client->ps.pm_type < PM_DEAD
&& target->NPC!=NULL
&& target->client->playerTeam
&& (target->client->playerTeam == ent->client->playerTeam || target->client->playerTeam == TEAM_NEUTRAL)
&& !(target->NPC->scriptFlags&SCF_NO_RESPONSE)
&& G_ValidActivateBehavior (target, BSET_USE))
{
return qtrue;
}
if (CanUseInfrontOfPartOfLevel(ent)) {
return qtrue;
}
return qfalse;
}