nuclide/Source/server/cstrike/traceattack.c

/***
*
*	Copyright (c) 2016-2019 Marco 'eukara' Hladik. All rights reserved.
*
*	See the file LICENSE attached with the sources for usage details.
*
****/

int iTotalPenetrations;

/*
=================
TraceAttack_FireSingle

Fires a single shot that can penetrate some materials
=================
*/
void TraceAttack_FireSingle( vector vPos, vector vAngle ) {
	static void TraceAttack_Penetrate( vector vPos, vector vAngle  ) {
		if ( iTotalPenetrations > 0 ) {
			return;
		}
		
		TraceAttack_FireSingle( vPos, vAngle );
		iTotalPenetrations = 1;
	}
	traceline( vPos, vPos + ( vAngle * wptTable[ self.weapon ].fRange ), MOVE_HITMODEL, self);
		
	if (trace_fraction != 1.0) {
		if ( trace_ent.takedamage == DAMAGE_YES ) {
			Damage_Apply( trace_ent, self, wptTable[ self.weapon ].iDamage, trace_endpos, FALSE );
		}
		
		if ( trace_ent.iBleeds == TRUE ) {
			Effect_Impact( IMPACT_FLESH, trace_endpos, trace_plane_normal );
		} else {
			string sTexture = getsurfacetexture( trace_ent, getsurfacenearpoint( trace_ent, trace_endpos ) );
	
			switch( (float)hash_get( hashMaterials, sTexture ) ) { 
				case 'G':
				case 'V':
					Effect_Impact( IMPACT_METAL, trace_endpos, trace_plane_normal );
					break;
				case 'M':
				case 'P':
					Effect_Impact( IMPACT_METAL, trace_endpos, trace_plane_normal );
					break;
				case 'D':
				case 'W':
					Effect_Impact( IMPACT_WOOD, trace_endpos, trace_plane_normal );
					break;
				case 'Y':
					Effect_Impact( IMPACT_GLASS, trace_endpos, trace_plane_normal );
					break;
				case 'N':
					Effect_Impact( IMPACT_DEFAULT, trace_endpos, trace_plane_normal );
					break;
				case 'T':
				default:
					Effect_Impact( IMPACT_DEFAULT, trace_endpos, trace_plane_normal );
					break;
			 }
			 
			//TraceAttack_Penetrate( trace_endpos + ( v_forward * 2 ), vAngle );
		}
	}
}

void TraceAttack_FireSingleLagged( vector vPos, vector vAngle ) {
	static void TraceAttack_Penetrate( vector vPos, vector vAngle  ) {
		if ( iTotalPenetrations > 0 ) {
			return;
		}
		
		TraceAttack_FireSingle( vPos, vAngle );
		iTotalPenetrations = 1;
	}
	traceline( vPos, vPos + ( vAngle * wptTable[ self.weapon ].fRange ), MOVE_LAGGED | MOVE_HITMODEL, self);
		
	if (trace_fraction != 1.0) {
		if ( trace_ent.takedamage == DAMAGE_YES ) {
			Damage_Apply( trace_ent, self, wptTable[ self.weapon ].iDamage, trace_endpos, FALSE );
		}
		
		if ( trace_ent.iBleeds == TRUE ) {
			Effect_Impact( IMPACT_FLESH, trace_endpos, trace_plane_normal );
		} else {
			string sTexture = getsurfacetexture( trace_ent, getsurfacenearpoint( trace_ent, trace_endpos ) );
	
			switch( (float)hash_get( hashMaterials, sTexture ) ) { 
				case 'G':
				case 'V':
					Effect_Impact( IMPACT_METAL, trace_endpos, trace_plane_normal );
					TraceAttack_Penetrate( trace_endpos + ( v_forward * 2 ), vAngle );
					break;
				case 'M':
				case 'P':
					Effect_Impact( IMPACT_METAL, trace_endpos, trace_plane_normal );
					break;
				case 'D':
				case 'W':
					Effect_Impact( IMPACT_WOOD, trace_endpos, trace_plane_normal );
					TraceAttack_Penetrate( trace_endpos + ( v_forward * 2 ), vAngle );
					break;
				case 'Y':
					Effect_Impact( IMPACT_GLASS, trace_endpos, trace_plane_normal );
					break;
				case 'N':
					Effect_Impact( IMPACT_DEFAULT, trace_endpos, trace_plane_normal );
					TraceAttack_Penetrate( trace_endpos + ( v_forward * 2 ), vAngle );
					break;
				case 'T':
				default:
					Effect_Impact( IMPACT_DEFAULT, trace_endpos, trace_plane_normal );
					break;
			 }
		}
	}
}

/*
=================
TraceAttack_FireBullets

Fire a given amount of shots
=================
*/
void TraceAttack_FireBullets( int iShots, vector vPos ) {
	vector vDir;
	makevectors(self.v_angle);
	
	while ( iShots > 0 ) {
		iTotalPenetrations = 0;
		vDir = aim( self, 100000 ) + Math_CRandom()*self.fAccuracy*v_right + Math_CRandom()*self.fAccuracy*v_up;
		TraceAttack_FireSingle( vPos, vDir );
		TraceAttack_FireSingleLagged( vPos, vDir );
		iShots--;
	}
	
	dprint( sprintf( "[DEBUG] ACCURACY: %f, %d %d %d\n", self.fAccuracy, vDir_x, vDir_y, vDir_z ));
}