/*
* =================
* fire_lead
*
* This is an internal support routine used for bullet/pellet based weapons.
* =================
*/
public static void fire_lead(
edict_t self,
float[] start,
float[] aimdir,
int damage,
int kick,
int te_impact,
int hspread,
int vspread,
int mod) {
trace_t tr;
float[] dir = {0, 0, 0};
float[] forward = {0, 0, 0}, right = {0, 0, 0}, up = {0, 0, 0};
float[] end = {0, 0, 0};
float r;
float u;
float[] water_start = {0, 0, 0};
boolean water = false;
int content_mask = Defines.MASK_SHOT | Defines.MASK_WATER;
tr = GameBase.gi.trace(self.s.origin, null, null, start, self, Defines.MASK_SHOT);
if (!(tr.fraction < 1.0)) {
Math3D.vectoangles(aimdir, dir);
Math3D.AngleVectors(dir, forward, right, up);
r = Lib.crandom() * hspread;
u = Lib.crandom() * vspread;
Math3D.VectorMA(start, 8192, forward, end);
Math3D.VectorMA(end, r, right, end);
Math3D.VectorMA(end, u, up, end);
if ((GameBase.gi.pointcontents.pointcontents(start) & Defines.MASK_WATER) != 0) {
water = true;
Math3D.VectorCopy(start, water_start);
content_mask &= ~Defines.MASK_WATER;
}
tr = GameBase.gi.trace(start, null, null, end, self, content_mask);
// see if we hit water
if ((tr.contents & Defines.MASK_WATER) != 0) {
int color;
water = true;
Math3D.VectorCopy(tr.endpos, water_start);
if (!Math3D.VectorEquals(start, tr.endpos)) {
if ((tr.contents & Defines.CONTENTS_WATER) != 0) {
if (Lib.strcmp(tr.surface.name, "*brwater") == 0) color = Defines.SPLASH_BROWN_WATER;
else color = Defines.SPLASH_BLUE_WATER;
} else if ((tr.contents & Defines.CONTENTS_SLIME) != 0) color = Defines.SPLASH_SLIME;
else if ((tr.contents & Defines.CONTENTS_LAVA) != 0) color = Defines.SPLASH_LAVA;
else color = Defines.SPLASH_UNKNOWN;
if (color != Defines.SPLASH_UNKNOWN) {
GameBase.gi.WriteByte(Defines.svc_temp_entity);
GameBase.gi.WriteByte(Defines.TE_SPLASH);
GameBase.gi.WriteByte(8);
GameBase.gi.WritePosition(tr.endpos);
GameBase.gi.WriteDir(tr.plane.normal);
GameBase.gi.WriteByte(color);
GameBase.gi.multicast(tr.endpos, Defines.MULTICAST_PVS);
}
// change bullet's course when it enters water
Math3D.VectorSubtract(end, start, dir);
Math3D.vectoangles(dir, dir);
Math3D.AngleVectors(dir, forward, right, up);
r = Lib.crandom() * hspread * 2;
u = Lib.crandom() * vspread * 2;
Math3D.VectorMA(water_start, 8192, forward, end);
Math3D.VectorMA(end, r, right, end);
Math3D.VectorMA(end, u, up, end);
}
// re-trace ignoring water this time
tr = GameBase.gi.trace(water_start, null, null, end, self, Defines.MASK_SHOT);
}
}
// send gun puff / flash
if (!((tr.surface != null) && 0 != (tr.surface.flags & Defines.SURF_SKY))) {
if (tr.fraction < 1.0) {
if (tr.ent.takedamage != 0) {
GameCombat.T_Damage(
tr.ent,
self,
self,
aimdir,
tr.endpos,
tr.plane.normal,
damage,
kick,
Defines.DAMAGE_BULLET,
mod);
} else {
if (!"sky".equals(tr.surface.name)) {
GameBase.gi.WriteByte(Defines.svc_temp_entity);
GameBase.gi.WriteByte(te_impact);
GameBase.gi.WritePosition(tr.endpos);
GameBase.gi.WriteDir(tr.plane.normal);
GameBase.gi.multicast(tr.endpos, Defines.MULTICAST_PVS);
if (self.client != null)
PlayerWeapon.PlayerNoise(self, tr.endpos, Defines.PNOISE_IMPACT);
}
}
}
}
// if went through water, determine where the end and make a bubble
// trail
if (water) {
float[] pos = {0, 0, 0};
Math3D.VectorSubtract(tr.endpos, water_start, dir);
Math3D.VectorNormalize(dir);
Math3D.VectorMA(tr.endpos, -2, dir, pos);
if ((GameBase.gi.pointcontents.pointcontents(pos) & Defines.MASK_WATER) != 0)
Math3D.VectorCopy(pos, tr.endpos);
else tr = GameBase.gi.trace(pos, null, null, water_start, tr.ent, Defines.MASK_WATER);
Math3D.VectorAdd(water_start, tr.endpos, pos);
Math3D.VectorScale(pos, 0.5f, pos);
GameBase.gi.WriteByte(Defines.svc_temp_entity);
GameBase.gi.WriteByte(Defines.TE_BUBBLETRAIL);
GameBase.gi.WritePosition(water_start);
GameBase.gi.WritePosition(tr.endpos);
GameBase.gi.multicast(pos, Defines.MULTICAST_PVS);
}
}
public boolean think(edict_t self) {
edict_t ent;
edict_t ignore;
float[] point = {0, 0, 0};
float[] dir = {0, 0, 0};
float[] start = {0, 0, 0};
float[] end = {0, 0, 0};
int dmg;
trace_t tr;
if (GameBase.deathmatch.value != 0) dmg = 5;
else dmg = 10;
EdictIterator edit = null;
while ((edit = GameBase.findradius(edit, self.s.origin, 256)) != null) {
ent = edit.o;
if (ent == self) continue;
if (ent == self.owner) continue;
if (ent.takedamage == 0) continue;
if (0 == (ent.svflags & Defines.SVF_MONSTER)
&& (null == ent.client)
&& (Lib.strcmp(ent.classname, "misc_explobox") != 0)) continue;
Math3D.VectorMA(ent.absmin, 0.5f, ent.size, point);
Math3D.VectorSubtract(point, self.s.origin, dir);
Math3D.VectorNormalize(dir);
ignore = self;
Math3D.VectorCopy(self.s.origin, start);
Math3D.VectorMA(start, 2048, dir, end);
while (true) {
tr =
GameBase.gi.trace(
start,
null,
null,
end,
ignore,
Defines.CONTENTS_SOLID
| Defines.CONTENTS_MONSTER
| Defines.CONTENTS_DEADMONSTER);
if (null == tr.ent) break;
// hurt it if we can
if ((tr.ent.takedamage != 0)
&& 0 == (tr.ent.flags & Defines.FL_IMMUNE_LASER)
&& (tr.ent != self.owner))
GameCombat.T_Damage(
tr.ent,
self,
self.owner,
dir,
tr.endpos,
Globals.vec3_origin,
dmg,
1,
Defines.DAMAGE_ENERGY,
Defines.MOD_BFG_LASER);
// if we hit something that's not a monster or player we're
// done
if (0 == (tr.ent.svflags & Defines.SVF_MONSTER) && (null == tr.ent.client)) {
GameBase.gi.WriteByte(Defines.svc_temp_entity);
GameBase.gi.WriteByte(Defines.TE_LASER_SPARKS);
GameBase.gi.WriteByte(4);
GameBase.gi.WritePosition(tr.endpos);
GameBase.gi.WriteDir(tr.plane.normal);
GameBase.gi.WriteByte(self.s.skinnum);
GameBase.gi.multicast(tr.endpos, Defines.MULTICAST_PVS);
break;
}
ignore = tr.ent;
Math3D.VectorCopy(tr.endpos, start);
}
GameBase.gi.WriteByte(Defines.svc_temp_entity);
GameBase.gi.WriteByte(Defines.TE_BFG_LASER);
GameBase.gi.WritePosition(self.s.origin);
GameBase.gi.WritePosition(tr.endpos);
GameBase.gi.multicast(self.s.origin, Defines.MULTICAST_PHS);
}
self.nextthink = GameBase.level.time + Defines.FRAMETIME;
return true;
}
