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Diffstat (limited to 'src/jake2/game/Fire.java')
| -rw-r--r-- | src/jake2/game/Fire.java | 1106 |
1 files changed, 524 insertions, 582 deletions
diff --git a/src/jake2/game/Fire.java b/src/jake2/game/Fire.java index 73a6f18..c5a426e 100644 --- a/src/jake2/game/Fire.java +++ b/src/jake2/game/Fire.java @@ -1,591 +1,533 @@ /* -Copyright (C) 1997-2001 Id Software, Inc. - -This program is free software; you can redistribute it and/or -modify it under the terms of the GNU General Public License -as published by the Free Software Foundation; either version 2 -of the License, or (at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - -See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -*/ + * Copyright (C) 1997-2001 Id Software, Inc. + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License as published by the Free Software + * Foundation; either version 2 of the License, or (at your option) any later + * version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. + * + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ // Created on 04.12.2003 by RST. -// $Id: Fire.java,v 1.3 2004-09-10 19:02:53 salomo Exp $ - +// $Id: Fire.java,v 1.4 2004-09-22 19:22:02 salomo Exp $ package jake2.game; import jake2.Defines; +import jake2.Globals; import jake2.util.Lib; import jake2.util.Math3D; -public class Fire -{ - /* - ================= - fire_hit - - Used for all impact (hit/punch/slash) attacks - ================= - */ - public static boolean fire_hit(edict_t self, float[] aim, int damage, int kick) - { - trace_t tr; - float[] forward = { 0, 0, 0 }, right = { 0, 0, 0 }, up = { 0, 0, 0 }; - float[] v = { 0, 0, 0 }; - float[] point = { 0, 0, 0 }; - float range; - float[] dir = { 0, 0, 0 }; - - //see if enemy is in range - Math3D.VectorSubtract(self.enemy.s.origin, self.s.origin, dir); - range = Math3D.VectorLength(dir); - if (range > aim[0]) - return false; - - if (aim[1] > self.mins[0] && aim[1] < self.maxs[0]) - { - // the hit is straight on so back the range up to the edge of their bbox - range -= self.enemy.maxs[0]; - } - else - { - // this is a side hit so adjust the "right" value out to the edge of their bbox - if (aim[1] < 0) - aim[1] = self.enemy.mins[0]; - else - aim[1] = self.enemy.maxs[0]; - } - - Math3D.VectorMA(self.s.origin, range, dir, point); - - tr = GameBase.gi.trace(self.s.origin, null, null, point, self, Defines.MASK_SHOT); - if (tr.fraction < 1) - { - if (0 == tr.ent.takedamage) - return false; - // if it will hit any client/monster then hit the one we wanted to hit - if ((tr.ent.svflags & Defines.SVF_MONSTER) != 0 || (tr.ent.client != null)) - tr.ent = self.enemy; - } - - Math3D.AngleVectors(self.s.angles, forward, right, up); - Math3D.VectorMA(self.s.origin, range, forward, point); - Math3D.VectorMA(point, aim[1], right, point); - Math3D.VectorMA(point, aim[2], up, point); - Math3D.VectorSubtract(point, self.enemy.s.origin, dir); - - // do the damage - GameUtil.T_Damage( - tr.ent, - self, - self, - dir, - point, - GameBase.vec3_origin, - damage, - kick / 2, - Defines.DAMAGE_NO_KNOCKBACK, - Defines.MOD_HIT); - - if (0 == (tr.ent.svflags & Defines.SVF_MONSTER) && (null == tr.ent.client)) - return false; - - // do our special form of knockback here - Math3D.VectorMA(self.enemy.absmin, 0.5f, self.enemy.size, v); - Math3D.VectorSubtract(v, point, v); - Math3D.VectorNormalize(v); - Math3D.VectorMA(self.enemy.velocity, kick, v, self.enemy.velocity); - if (self.enemy.velocity[2] > 0) - self.enemy.groundentity = null; - return true; - } - /* - ================= - 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 (0 == Math3D.VectorCompare(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) - { - GameUtil.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) - GameWeapon.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 ((Game.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); - } - } - /* - ================= - fire_bullet - - Fires a single round. Used for machinegun and chaingun. Would be fine for - pistols, rifles, etc.... - ================= - */ - public static void fire_bullet( - edict_t self, - float[] start, - float[] aimdir, - int damage, - int kick, - int hspread, - int vspread, - int mod) - { - fire_lead(self, start, aimdir, damage, kick, Defines.TE_GUNSHOT, hspread, vspread, mod); - } - /* - ================= - fire_shotgun - - Shoots shotgun pellets. Used by shotgun and super shotgun. - ================= - */ - public static void fire_shotgun( - edict_t self, - float[] start, - float[] aimdir, - int damage, - int kick, - int hspread, - int vspread, - int count, - int mod) - { - int i; - - for (i = 0; i < count; i++) - fire_lead(self, start, aimdir, damage, kick, Defines.TE_SHOTGUN, hspread, vspread, mod); - } - - public static void fire_blaster(edict_t self, float[] start, float[] dir, int damage, int speed, int effect, boolean hyper) - { - edict_t bolt; - trace_t tr; - - Math3D.VectorNormalize(dir); - - bolt = GameUtil.G_Spawn(); - bolt.svflags = Defines.SVF_DEADMONSTER; - // yes, I know it looks weird that projectiles are deadmonsters - // what this means is that when prediction is used against the object - // (blaster/hyperblaster shots), the player won't be solid clipped against - // the object. Right now trying to run into a firing hyperblaster - // is very jerky since you are predicted 'against' the shots. - Math3D.VectorCopy(start, bolt.s.origin); - Math3D.VectorCopy(start, bolt.s.old_origin); - Math3D.vectoangles(dir, bolt.s.angles); - Math3D.VectorScale(dir, speed, bolt.velocity); - bolt.movetype = Defines.MOVETYPE_FLYMISSILE; - bolt.clipmask = Defines.MASK_SHOT; - bolt.solid = Defines.SOLID_BBOX; - bolt.s.effects |= effect; - Math3D.VectorClear(bolt.mins); - Math3D.VectorClear(bolt.maxs); - bolt.s.modelindex = GameBase.gi.modelindex("models/objects/laser/tris.md2"); - bolt.s.sound = GameBase.gi.soundindex("misc/lasfly.wav"); - bolt.owner = self; - bolt.touch = GameWeaponAdapters.blaster_touch; - bolt.nextthink = GameBase.level.time + 2; - bolt.think = GameUtilAdapters.G_FreeEdictA; - bolt.dmg = damage; - bolt.classname = "bolt"; - if (hyper) - bolt.spawnflags = 1; - GameBase.gi.linkentity(bolt); - - if (self.client != null) - GameWeapon.check_dodge(self, bolt.s.origin, dir, speed); - - tr = GameBase.gi.trace(self.s.origin, null, null, bolt.s.origin, bolt, Defines.MASK_SHOT); - if (tr.fraction < 1.0) - { - Math3D.VectorMA(bolt.s.origin, -10, dir, bolt.s.origin); - bolt.touch.touch(bolt, tr.ent, GameBase.dummyplane, null); - } - } - /* - ================= - fire_grenade - ================= - */ - - public static void fire_grenade( - edict_t self, - float[] start, - float[] aimdir, - int damage, - int speed, - float timer, - float damage_radius) - { - edict_t grenade; - float[] dir = { 0, 0, 0 }; - float[] forward = { 0, 0, 0 }, right = { 0, 0, 0 }, up = { 0, 0, 0 }; - - Math3D.vectoangles(aimdir, dir); - Math3D.AngleVectors(dir, forward, right, up); - - grenade = GameUtil.G_Spawn(); - Math3D.VectorCopy(start, grenade.s.origin); - Math3D.VectorScale(aimdir, speed, grenade.velocity); - Math3D.VectorMA(grenade.velocity, 200f + Lib.crandom() * 10.0f, up, grenade.velocity); - Math3D.VectorMA(grenade.velocity, Lib.crandom() * 10.0f, right, grenade.velocity); - Math3D.VectorSet(grenade.avelocity, 300, 300, 300); - grenade.movetype = Defines.MOVETYPE_BOUNCE; - grenade.clipmask = Defines.MASK_SHOT; - grenade.solid = Defines.SOLID_BBOX; - grenade.s.effects |= Defines.EF_GRENADE; - Math3D.VectorClear(grenade.mins); - Math3D.VectorClear(grenade.maxs); - grenade.s.modelindex = GameBase.gi.modelindex("models/objects/grenade/tris.md2"); - grenade.owner = self; - grenade.touch = GameWeaponAdapters.Grenade_Touch; - grenade.nextthink = GameBase.level.time + timer; - grenade.think = GameWeaponAdapters.Grenade_Explode; - grenade.dmg = damage; - grenade.dmg_radius = damage_radius; - grenade.classname = "grenade"; - - GameBase.gi.linkentity(grenade); - } - public static void fire_grenade2( - edict_t self, - float[] start, - float[] aimdir, - int damage, - int speed, - float timer, - float damage_radius, - boolean held) - { - edict_t grenade; - float[] dir = { 0, 0, 0 }; - float[] forward = { 0, 0, 0 }, right = { 0, 0, 0 }, up = { 0, 0, 0 }; - - Math3D.vectoangles(aimdir, dir); - Math3D.AngleVectors(dir, forward, right, up); - - grenade = GameUtil.G_Spawn(); - Math3D.VectorCopy(start, grenade.s.origin); - Math3D.VectorScale(aimdir, speed, grenade.velocity); - Math3D.VectorMA(grenade.velocity, 200f + Lib.crandom() * 10.0f, up, grenade.velocity); - Math3D.VectorMA(grenade.velocity, Lib.crandom() * 10.0f, right, grenade.velocity); - Math3D.VectorSet(grenade.avelocity, 300f, 300f, 300f); - grenade.movetype = Defines.MOVETYPE_BOUNCE; - grenade.clipmask = Defines.MASK_SHOT; - grenade.solid = Defines.SOLID_BBOX; - grenade.s.effects |= Defines.EF_GRENADE; - Math3D.VectorClear(grenade.mins); - Math3D.VectorClear(grenade.maxs); - grenade.s.modelindex = GameBase.gi.modelindex("models/objects/grenade2/tris.md2"); - grenade.owner = self; - grenade.touch = GameWeaponAdapters.Grenade_Touch; - grenade.nextthink = GameBase.level.time + timer; - grenade.think = GameWeaponAdapters.Grenade_Explode; - grenade.dmg = damage; - grenade.dmg_radius = damage_radius; - grenade.classname = "hgrenade"; - if (held) - grenade.spawnflags = 3; - else - grenade.spawnflags = 1; - grenade.s.sound = GameBase.gi.soundindex("weapons/hgrenc1b.wav"); - - if (timer <= 0.0) - GameWeaponAdapters.Grenade_Explode.think(grenade); - else - { - GameBase.gi.sound(self, Defines.CHAN_WEAPON, GameBase.gi.soundindex("weapons/hgrent1a.wav"), 1, Defines.ATTN_NORM, 0); - GameBase.gi.linkentity(grenade); - } - } - public static void fire_rocket( - edict_t self, - float[] start, - float[] dir, - int damage, - int speed, - float damage_radius, - int radius_damage) - { - edict_t rocket; - - rocket = GameUtil.G_Spawn(); - Math3D.VectorCopy(start, rocket.s.origin); - Math3D.VectorCopy(dir, rocket.movedir); - Math3D.vectoangles(dir, rocket.s.angles); - Math3D.VectorScale(dir, speed, rocket.velocity); - rocket.movetype = Defines.MOVETYPE_FLYMISSILE; - rocket.clipmask = Defines.MASK_SHOT; - rocket.solid = Defines.SOLID_BBOX; - rocket.s.effects |= Defines.EF_ROCKET; - Math3D.VectorClear(rocket.mins); - Math3D.VectorClear(rocket.maxs); - rocket.s.modelindex = GameBase.gi.modelindex("models/objects/rocket/tris.md2"); - rocket.owner = self; - rocket.touch = GameWeaponAdapters.rocket_touch; - rocket.nextthink = GameBase.level.time + 8000 / speed; - rocket.think = GameUtilAdapters.G_FreeEdictA; - rocket.dmg = damage; - rocket.radius_dmg = radius_damage; - rocket.dmg_radius = damage_radius; - rocket.s.sound = GameBase.gi.soundindex("weapons/rockfly.wav"); - rocket.classname = "rocket"; - - if (self.client != null) - GameWeapon.check_dodge(self, rocket.s.origin, dir, speed); - - GameBase.gi.linkentity(rocket); - } - /* - ================= - fire_rail - ================= - */ - public static void fire_rail(edict_t self, float[] start, float[] aimdir, int damage, int kick) - { - float[] from = { 0, 0, 0 }; - float[] end = { 0, 0, 0 }; - trace_t tr = null; - edict_t ignore; - int mask; - boolean water; - - Math3D.VectorMA(start, 8192f, aimdir, end); - Math3D.VectorCopy(start, from); - ignore = self; - water = false; - mask = Defines.MASK_SHOT | Defines.CONTENTS_SLIME | Defines.CONTENTS_LAVA; - while (ignore != null) - { - tr = GameBase.gi.trace(from, null, null, end, ignore, mask); - - if ((tr.contents & (Defines.CONTENTS_SLIME | Defines.CONTENTS_LAVA)) != 0) - { - mask &= ~(Defines.CONTENTS_SLIME | Defines.CONTENTS_LAVA); - water = true; - } - else - { - //ZOID--added so rail goes through SOLID_BBOX entities (gibs, etc) - if ((tr.ent.svflags & Defines.SVF_MONSTER) != 0 || (tr.ent.client != null) || (tr.ent.solid == Defines.SOLID_BBOX)) - ignore = tr.ent; - else - ignore = null; - - if ((tr.ent != self) && (tr.ent.takedamage != 0)) - GameUtil.T_Damage(tr.ent, self, self, aimdir, tr.endpos, tr.plane.normal, damage, kick, 0, Defines.MOD_RAILGUN); - } - - Math3D.VectorCopy(tr.endpos, from); - } - - // send gun puff / flash - GameBase.gi.WriteByte(Defines.svc_temp_entity); - GameBase.gi.WriteByte(Defines.TE_RAILTRAIL); - GameBase.gi.WritePosition(start); - GameBase.gi.WritePosition(tr.endpos); - GameBase.gi.multicast(self.s.origin, Defines.MULTICAST_PHS); - // gi.multicast (start, MULTICAST_PHS); - if (water) - { - GameBase.gi.WriteByte(Defines.svc_temp_entity); - GameBase.gi.WriteByte(Defines.TE_RAILTRAIL); - GameBase.gi.WritePosition(start); - GameBase.gi.WritePosition(tr.endpos); - GameBase.gi.multicast(tr.endpos, Defines.MULTICAST_PHS); - } - - if (self.client != null) - GameWeapon.PlayerNoise(self, tr.endpos, Defines.PNOISE_IMPACT); - } - public static void fire_bfg(edict_t self, float[] start, float[] dir, int damage, int speed, float damage_radius) - { - edict_t bfg; - - bfg = GameUtil.G_Spawn(); - Math3D.VectorCopy(start, bfg.s.origin); - Math3D.VectorCopy(dir, bfg.movedir); - Math3D.vectoangles(dir, bfg.s.angles); - Math3D.VectorScale(dir, speed, bfg.velocity); - bfg.movetype = Defines.MOVETYPE_FLYMISSILE; - bfg.clipmask = Defines.MASK_SHOT; - bfg.solid = Defines.SOLID_BBOX; - bfg.s.effects |= Defines.EF_BFG | Defines.EF_ANIM_ALLFAST; - Math3D.VectorClear(bfg.mins); - Math3D.VectorClear(bfg.maxs); - bfg.s.modelindex = GameBase.gi.modelindex("sprites/s_bfg1.sp2"); - bfg.owner = self; - bfg.touch = GameWeaponAdapters.bfg_touch; - bfg.nextthink = GameBase.level.time + 8000 / speed; - bfg.think = GameUtilAdapters.G_FreeEdictA; - bfg.radius_dmg = damage; - bfg.dmg_radius = damage_radius; - bfg.classname = "bfg blast"; - bfg.s.sound = GameBase.gi.soundindex("weapons/bfg__l1a.wav"); - - bfg.think = GameWeaponAdapters.bfg_think; - bfg.nextthink = GameBase.level.time + Defines.FRAMETIME; - bfg.teammaster = bfg; - bfg.teamchain = null; - - if (self.client != null) - GameWeapon.check_dodge(self, bfg.s.origin, dir, speed); - - GameBase.gi.linkentity(bfg); - } -} +public class Fire { + /* + * ================= fire_hit + * + * Used for all impact (hit/punch/slash) attacks ================= + */ + public static boolean fire_hit(edict_t self, float[] aim, int damage, + int kick) { + trace_t tr; + float[] forward = { 0, 0, 0 }, right = { 0, 0, 0 }, up = { 0, 0, 0 }; + float[] v = { 0, 0, 0 }; + float[] point = { 0, 0, 0 }; + float range; + float[] dir = { 0, 0, 0 }; + + //see if enemy is in range + Math3D.VectorSubtract(self.enemy.s.origin, self.s.origin, dir); + range = Math3D.VectorLength(dir); + if (range > aim[0]) + return false; + + if (aim[1] > self.mins[0] && aim[1] < self.maxs[0]) { + // the hit is straight on so back the range up to the edge of their + // bbox + range -= self.enemy.maxs[0]; + } else { + // this is a side hit so adjust the "right" value out to the edge of + // their bbox + if (aim[1] < 0) + aim[1] = self.enemy.mins[0]; + else + aim[1] = self.enemy.maxs[0]; + } + + Math3D.VectorMA(self.s.origin, range, dir, point); + + tr = GameBase.gi.trace(self.s.origin, null, null, point, self, + Defines.MASK_SHOT); + if (tr.fraction < 1) { + if (0 == tr.ent.takedamage) + return false; + // if it will hit any client/monster then hit the one we wanted to + // hit + if ((tr.ent.svflags & Defines.SVF_MONSTER) != 0 + || (tr.ent.client != null)) + tr.ent = self.enemy; + } + + Math3D.AngleVectors(self.s.angles, forward, right, up); + Math3D.VectorMA(self.s.origin, range, forward, point); + Math3D.VectorMA(point, aim[1], right, point); + Math3D.VectorMA(point, aim[2], up, point); + Math3D.VectorSubtract(point, self.enemy.s.origin, dir); + + // do the damage + GameUtil.T_Damage(tr.ent, self, self, dir, point, Globals.vec3_origin, + damage, kick / 2, Defines.DAMAGE_NO_KNOCKBACK, Defines.MOD_HIT); + + if (0 == (tr.ent.svflags & Defines.SVF_MONSTER) + && (null == tr.ent.client)) + return false; + + // do our special form of knockback here + Math3D.VectorMA(self.enemy.absmin, 0.5f, self.enemy.size, v); + Math3D.VectorSubtract(v, point, v); + Math3D.VectorNormalize(v); + Math3D.VectorMA(self.enemy.velocity, kick, v, self.enemy.velocity); + if (self.enemy.velocity[2] > 0) + self.enemy.groundentity = null; + return true; + } + + /* + * ================= 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 (0 == Math3D.VectorCompare(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) { + GameUtil.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) + GameWeapon.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); + } + } + + /* + * ================= fire_bullet + * + * Fires a single round. Used for machinegun and chaingun. Would be fine for + * pistols, rifles, etc.... ================= + */ + public static void fire_bullet(edict_t self, float[] start, float[] aimdir, + int damage, int kick, int hspread, int vspread, int mod) { + fire_lead(self, start, aimdir, damage, kick, Defines.TE_GUNSHOT, + hspread, vspread, mod); + } + + /* + * ================= fire_shotgun + * + * Shoots shotgun pellets. Used by shotgun and super shotgun. + * ================= + */ + public static void fire_shotgun(edict_t self, float[] start, + float[] aimdir, int damage, int kick, int hspread, int vspread, + int count, int mod) { + int i; + + for (i = 0; i < count; i++) + fire_lead(self, start, aimdir, damage, kick, Defines.TE_SHOTGUN, + hspread, vspread, mod); + } + + public static void fire_blaster(edict_t self, float[] start, float[] dir, + int damage, int speed, int effect, boolean hyper) { + edict_t bolt; + trace_t tr; + + Math3D.VectorNormalize(dir); + + bolt = GameUtil.G_Spawn(); + bolt.svflags = Defines.SVF_DEADMONSTER; + // yes, I know it looks weird that projectiles are deadmonsters + // what this means is that when prediction is used against the object + // (blaster/hyperblaster shots), the player won't be solid clipped + // against + // the object. Right now trying to run into a firing hyperblaster + // is very jerky since you are predicted 'against' the shots. + Math3D.VectorCopy(start, bolt.s.origin); + Math3D.VectorCopy(start, bolt.s.old_origin); + Math3D.vectoangles(dir, bolt.s.angles); + Math3D.VectorScale(dir, speed, bolt.velocity); + bolt.movetype = Defines.MOVETYPE_FLYMISSILE; + bolt.clipmask = Defines.MASK_SHOT; + bolt.solid = Defines.SOLID_BBOX; + bolt.s.effects |= effect; + Math3D.VectorClear(bolt.mins); + Math3D.VectorClear(bolt.maxs); + bolt.s.modelindex = GameBase.gi + .modelindex("models/objects/laser/tris.md2"); + bolt.s.sound = GameBase.gi.soundindex("misc/lasfly.wav"); + bolt.owner = self; + bolt.touch = GameWeapon.blaster_touch; + bolt.nextthink = GameBase.level.time + 2; + bolt.think = GameUtil.G_FreeEdictA; + bolt.dmg = damage; + bolt.classname = "bolt"; + if (hyper) + bolt.spawnflags = 1; + GameBase.gi.linkentity(bolt); + + if (self.client != null) + GameWeapon.check_dodge(self, bolt.s.origin, dir, speed); + + tr = GameBase.gi.trace(self.s.origin, null, null, bolt.s.origin, bolt, + Defines.MASK_SHOT); + if (tr.fraction < 1.0) { + Math3D.VectorMA(bolt.s.origin, -10, dir, bolt.s.origin); + bolt.touch.touch(bolt, tr.ent, GameBase.dummyplane, null); + } + } + + /* + * ================= fire_grenade ================= + */ + + public static void fire_grenade(edict_t self, float[] start, + float[] aimdir, int damage, int speed, float timer, + float damage_radius) { + edict_t grenade; + float[] dir = { 0, 0, 0 }; + float[] forward = { 0, 0, 0 }, right = { 0, 0, 0 }, up = { 0, 0, 0 }; + + Math3D.vectoangles(aimdir, dir); + Math3D.AngleVectors(dir, forward, right, up); + + grenade = GameUtil.G_Spawn(); + Math3D.VectorCopy(start, grenade.s.origin); + Math3D.VectorScale(aimdir, speed, grenade.velocity); + Math3D.VectorMA(grenade.velocity, 200f + Lib.crandom() * 10.0f, up, + grenade.velocity); + Math3D.VectorMA(grenade.velocity, Lib.crandom() * 10.0f, right, + grenade.velocity); + Math3D.VectorSet(grenade.avelocity, 300, 300, 300); + grenade.movetype = Defines.MOVETYPE_BOUNCE; + grenade.clipmask = Defines.MASK_SHOT; + grenade.solid = Defines.SOLID_BBOX; + grenade.s.effects |= Defines.EF_GRENADE; + Math3D.VectorClear(grenade.mins); + Math3D.VectorClear(grenade.maxs); + grenade.s.modelindex = GameBase.gi + .modelindex("models/objects/grenade/tris.md2"); + grenade.owner = self; + grenade.touch = GameWeapon.Grenade_Touch; + grenade.nextthink = GameBase.level.time + timer; + grenade.think = GameWeapon.Grenade_Explode; + grenade.dmg = damage; + grenade.dmg_radius = damage_radius; + grenade.classname = "grenade"; + + GameBase.gi.linkentity(grenade); + } + + public static void fire_grenade2(edict_t self, float[] start, + float[] aimdir, int damage, int speed, float timer, + float damage_radius, boolean held) { + edict_t grenade; + float[] dir = { 0, 0, 0 }; + float[] forward = { 0, 0, 0 }, right = { 0, 0, 0 }, up = { 0, 0, 0 }; + + Math3D.vectoangles(aimdir, dir); + Math3D.AngleVectors(dir, forward, right, up); + + grenade = GameUtil.G_Spawn(); + Math3D.VectorCopy(start, grenade.s.origin); + Math3D.VectorScale(aimdir, speed, grenade.velocity); + Math3D.VectorMA(grenade.velocity, 200f + Lib.crandom() * 10.0f, up, + grenade.velocity); + Math3D.VectorMA(grenade.velocity, Lib.crandom() * 10.0f, right, + grenade.velocity); + Math3D.VectorSet(grenade.avelocity, 300f, 300f, 300f); + grenade.movetype = Defines.MOVETYPE_BOUNCE; + grenade.clipmask = Defines.MASK_SHOT; + grenade.solid = Defines.SOLID_BBOX; + grenade.s.effects |= Defines.EF_GRENADE; + Math3D.VectorClear(grenade.mins); + Math3D.VectorClear(grenade.maxs); + grenade.s.modelindex = GameBase.gi + .modelindex("models/objects/grenade2/tris.md2"); + grenade.owner = self; + grenade.touch = GameWeapon.Grenade_Touch; + grenade.nextthink = GameBase.level.time + timer; + grenade.think = GameWeapon.Grenade_Explode; + grenade.dmg = damage; + grenade.dmg_radius = damage_radius; + grenade.classname = "hgrenade"; + if (held) + grenade.spawnflags = 3; + else + grenade.spawnflags = 1; + grenade.s.sound = GameBase.gi.soundindex("weapons/hgrenc1b.wav"); + + if (timer <= 0.0) + GameWeapon.Grenade_Explode.think(grenade); + else { + GameBase.gi.sound(self, Defines.CHAN_WEAPON, GameBase.gi + .soundindex("weapons/hgrent1a.wav"), 1, Defines.ATTN_NORM, + 0); + GameBase.gi.linkentity(grenade); + } + } + + public static void fire_rocket(edict_t self, float[] start, float[] dir, + int damage, int speed, float damage_radius, int radius_damage) { + edict_t rocket; + + rocket = GameUtil.G_Spawn(); + Math3D.VectorCopy(start, rocket.s.origin); + Math3D.VectorCopy(dir, rocket.movedir); + Math3D.vectoangles(dir, rocket.s.angles); + Math3D.VectorScale(dir, speed, rocket.velocity); + rocket.movetype = Defines.MOVETYPE_FLYMISSILE; + rocket.clipmask = Defines.MASK_SHOT; + rocket.solid = Defines.SOLID_BBOX; + rocket.s.effects |= Defines.EF_ROCKET; + Math3D.VectorClear(rocket.mins); + Math3D.VectorClear(rocket.maxs); + rocket.s.modelindex = GameBase.gi + .modelindex("models/objects/rocket/tris.md2"); + rocket.owner = self; + rocket.touch = GameWeapon.rocket_touch; + rocket.nextthink = GameBase.level.time + 8000 / speed; + rocket.think = GameUtil.G_FreeEdictA; + rocket.dmg = damage; + rocket.radius_dmg = radius_damage; + rocket.dmg_radius = damage_radius; + rocket.s.sound = GameBase.gi.soundindex("weapons/rockfly.wav"); + rocket.classname = "rocket"; + + if (self.client != null) + GameWeapon.check_dodge(self, rocket.s.origin, dir, speed); + + GameBase.gi.linkentity(rocket); + } + + /* + * ================= fire_rail ================= + */ + public static void fire_rail(edict_t self, float[] start, float[] aimdir, + int damage, int kick) { + float[] from = { 0, 0, 0 }; + float[] end = { 0, 0, 0 }; + trace_t tr = null; + edict_t ignore; + int mask; + boolean water; + + Math3D.VectorMA(start, 8192f, aimdir, end); + Math3D.VectorCopy(start, from); + ignore = self; + water = false; + mask = Defines.MASK_SHOT | Defines.CONTENTS_SLIME + | Defines.CONTENTS_LAVA; + while (ignore != null) { + tr = GameBase.gi.trace(from, null, null, end, ignore, mask); + + if ((tr.contents & (Defines.CONTENTS_SLIME | Defines.CONTENTS_LAVA)) != 0) { + mask &= ~(Defines.CONTENTS_SLIME | Defines.CONTENTS_LAVA); + water = true; + } else { + //ZOID--added so rail goes through SOLID_BBOX entities (gibs, + // etc) + if ((tr.ent.svflags & Defines.SVF_MONSTER) != 0 + || (tr.ent.client != null) + || (tr.ent.solid == Defines.SOLID_BBOX)) + ignore = tr.ent; + else + ignore = null; + + if ((tr.ent != self) && (tr.ent.takedamage != 0)) + GameUtil.T_Damage(tr.ent, self, self, aimdir, tr.endpos, + tr.plane.normal, damage, kick, 0, + Defines.MOD_RAILGUN); + } + + Math3D.VectorCopy(tr.endpos, from); + } + + // send gun puff / flash + GameBase.gi.WriteByte(Defines.svc_temp_entity); + GameBase.gi.WriteByte(Defines.TE_RAILTRAIL); + GameBase.gi.WritePosition(start); + GameBase.gi.WritePosition(tr.endpos); + GameBase.gi.multicast(self.s.origin, Defines.MULTICAST_PHS); + // gi.multicast (start, MULTICAST_PHS); + if (water) { + GameBase.gi.WriteByte(Defines.svc_temp_entity); + GameBase.gi.WriteByte(Defines.TE_RAILTRAIL); + GameBase.gi.WritePosition(start); + GameBase.gi.WritePosition(tr.endpos); + GameBase.gi.multicast(tr.endpos, Defines.MULTICAST_PHS); + } + + if (self.client != null) + GameWeapon.PlayerNoise(self, tr.endpos, Defines.PNOISE_IMPACT); + } + + public static void fire_bfg(edict_t self, float[] start, float[] dir, + int damage, int speed, float damage_radius) { + edict_t bfg; + + bfg = GameUtil.G_Spawn(); + Math3D.VectorCopy(start, bfg.s.origin); + Math3D.VectorCopy(dir, bfg.movedir); + Math3D.vectoangles(dir, bfg.s.angles); + Math3D.VectorScale(dir, speed, bfg.velocity); + bfg.movetype = Defines.MOVETYPE_FLYMISSILE; + bfg.clipmask = Defines.MASK_SHOT; + bfg.solid = Defines.SOLID_BBOX; + bfg.s.effects |= Defines.EF_BFG | Defines.EF_ANIM_ALLFAST; + Math3D.VectorClear(bfg.mins); + Math3D.VectorClear(bfg.maxs); + bfg.s.modelindex = GameBase.gi.modelindex("sprites/s_bfg1.sp2"); + bfg.owner = self; + bfg.touch = GameWeapon.bfg_touch; + bfg.nextthink = GameBase.level.time + 8000 / speed; + bfg.think = GameUtil.G_FreeEdictA; + bfg.radius_dmg = damage; + bfg.dmg_radius = damage_radius; + bfg.classname = "bfg blast"; + bfg.s.sound = GameBase.gi.soundindex("weapons/bfg__l1a.wav"); + + bfg.think = GameWeapon.bfg_think; + bfg.nextthink = GameBase.level.time + Defines.FRAMETIME; + bfg.teammaster = bfg; + bfg.teamchain = null; + + if (self.client != null) + GameWeapon.check_dodge(self, bfg.s.origin, dir, speed); + + GameBase.gi.linkentity(bfg); + } +}
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