Merge remote-tracking branch 'origin/master' into samual/spawn_weapons
[xonotic/xonotic-data.pk3dir.git] / qcsrc / server / w_common.qc
index 8da19cbec28f10bde4b1f3399bda4e3571c9b830..9dde1c7106dfcfca9f6b3f0cf89bf4cb757a48ac 100644 (file)
@@ -243,31 +243,58 @@ void W_BallisticBullet_LeaveSolid_think()
        UpdateCSQCProjectile(self);
 }
 
-float W_BallisticBullet_LeaveSolid(entity e, vector vel, float constant)
+float W_BallisticBullet_LeaveSolid(float eff)
 {
        // move the entity along its velocity until it's out of solid, then let it resume
-
+       vector vel = self.velocity;
        float dt, dst, velfactor, v0, vs;
        float maxdist;
        float E0_m, Es_m;
+       float constant = self.dmg_radius * (other.ballistics_density ? other.ballistics_density : 1);
 
        // outside the world? forget it
        if(self.origin_x > world.maxs_x || self.origin_y > world.maxs_y || self.origin_z > world.maxs_z || self.origin_x < world.mins_x || self.origin_y < world.mins_y || self.origin_z < world.mins_z)
                return 0;
 
+       // special case for zero density and zero bullet constant: 
+
+       if(self.dmg_radius == 0)
+       {
+               if(other.ballistics_density < 0)
+                       constant = 0; // infinite travel distance
+               else
+                       return 0; // no penetration
+       }
+       else
+       {
+               if(other.ballistics_density < 0)
+                       constant = 0; // infinite travel distance
+               else if(other.ballistics_density == 0)
+                       constant = self.dmg_radius;
+               else
+                       constant = self.dmg_radius * other.ballistics_density;
+       }
+
        // E(s) = E0 - constant * s, constant = area of bullet circle * material constant / mass
        v0 = vlen(vel);
 
        E0_m = 0.5 * v0 * v0;
-       maxdist = E0_m / constant;
-       // maxdist = 0.5 * v0 * v0 / constant
-       // dprint("max dist = ", ftos(maxdist), "\n");
 
-       if(maxdist <= autocvar_g_ballistics_mindistance)
-               return 0;
+       if(constant)
+       {
+               maxdist = E0_m / constant;
+               // maxdist = 0.5 * v0 * v0 / constant
+               // dprint("max dist = ", ftos(maxdist), "\n");
 
-       traceline_inverted (self.origin, self.origin + normalize(vel) * maxdist, MOVE_NORMAL, self);
+               if(maxdist <= autocvar_g_ballistics_mindistance)
+                       return 0;
+       }
+       else
+       {
+               maxdist = vlen(other.maxs - other.mins) + 1; // any distance, as long as we leave the entity
+       }
 
+       traceline_inverted (self.origin, self.origin + normalize(vel) * maxdist, MOVE_NORMAL, self, TRUE);
        if(trace_fraction == 1) // 1: we never got out of solid
                return 0;
 
@@ -300,6 +327,13 @@ float W_BallisticBullet_LeaveSolid(entity e, vector vel, float constant)
        self.flags |= FL_ONGROUND; // prevent moving
        self.W_BallisticBullet_LeaveSolid_velocity = vel;
 
+       if(eff >= 0)
+               if(vlen(trace_endpos - self.origin) > 4)
+               {
+                       endzcurveparticles();
+                       trailparticles(self, eff, self.origin, trace_endpos);
+               }
+
        return 1;
 }
 
@@ -313,6 +347,12 @@ void W_BallisticBullet_Touch (void)
        PROJECTILE_TOUCH;
        W_BallisticBullet_Hit ();
 
+       if(self.dmg_radius < 0) // these NEVER penetrate solid
+       {
+               remove(self);
+               return;
+       }
+
        // if we hit "weapclip", bail out
        //
        // rationale of this check:
@@ -333,12 +373,8 @@ void W_BallisticBullet_Touch (void)
                return;
        }
 
-       density = other.ballistics_density;
-       if(density == 0)
-               density = 1;
-
        // go through solid!
-       if(!W_BallisticBullet_LeaveSolid(self, self.velocity, self.dmg_radius * density))
+       if(!W_BallisticBullet_LeaveSolid(-1))
        {
                remove(self);
                return;
@@ -386,7 +422,12 @@ void fireBallisticBullet(vector start, vector dir, float spread, float pSpeed, f
        proj.nextthink = time + lifetime; // min(pLifetime, vlen(world.maxs - world.mins) / pSpeed);
        W_SetupProjectileVelocityEx(proj, dir, v_up, pSpeed, 0, 0, spread, antilagging);
        proj.angles = vectoangles(proj.velocity);
-       proj.dmg_radius = autocvar_g_ballistics_materialconstant / bulletconstant;
+       if(bulletconstant > 0)
+               proj.dmg_radius = autocvar_g_ballistics_materialconstant / bulletconstant;
+       else if(bulletconstant == 0)
+               proj.dmg_radius = 0;
+       else
+               proj.dmg_radius = -1;
        // so: bulletconstant = bullet mass / area of bullet circle
        setorigin(proj, start);
        proj.flags = FL_PROJECTILE;
@@ -470,6 +511,9 @@ void fireBallisticBullet(vector start, vector dir, float spread, float pSpeed, f
                                W_BallisticBullet_Hit();
                        }
 
+                       if(proj.dmg_radius < 0) // these NEVER penetrate solid
+                               break;
+
                        // if we hit "weapclip", bail out
                        //
                        // rationale of this check:
@@ -487,15 +531,13 @@ void fireBallisticBullet(vector start, vector dir, float spread, float pSpeed, f
                        if not(trace_dphitcontents & DPCONTENTS_OPAQUE)
                                break;
 
-                       density = other.ballistics_density;
-                       if(density == 0)
-                               density = 1;
-
                        // go through solid!
-                       if(!W_BallisticBullet_LeaveSolid(self, self.velocity, self.dmg_radius * density))
+                       if(!W_BallisticBullet_LeaveSolid((other && (other.solid != SOLID_BSP)) ? eff : -1))
                                break;
 
                        W_BallisticBullet_LeaveSolid_think();
+
+                       self.projectiledeathtype |= HITTYPE_BOUNCE;
                }
                frametime = savetime;
                self = oldself;
@@ -588,7 +630,7 @@ void W_PrepareExplosionByDamage(entity attacker, void() explode)
        self.takedamage = DAMAGE_NO;
        self.event_damage = SUB_Null;
        
-       if not(g_ca)
+       if((attacker.flags & FL_CLIENT) && !autocvar_g_projectiles_keep_owner)
        {
                self.owner = attacker;
                self.realowner = attacker;