playerweapon.java

Jake2是一个Java 3D游戏引擎.

            }

            // change to this weapon when down
            ent.client.newweapon = item;
        }
    };

    /*
     * ================ 
     * Drop_Weapon 
     * ================
     */

    public static ItemDropAdapter Drop_Weapon = new ItemDropAdapter() {
    	public String getID() { return "Drop_Weapon"; }
        public void drop(edict_t ent, gitem_t item) {
            int index;

            if (0 != ((int) (GameBase.dmflags.value) & Defines.DF_WEAPONS_STAY))
                return;

            index = GameItems.ITEM_INDEX(item);
            // see if we're already using it
            if (((item == ent.client.pers.weapon) || (item == ent.client.newweapon))
                    && (ent.client.pers.inventory[index] == 1)) {
                GameBase.gi.cprintf(ent, Defines.PRINT_HIGH,
                        "Can't drop current weapon\n");
                return;
            }

            GameItems.Drop_Item(ent, item);
            ent.client.pers.inventory[index]--;
        }
    };

    /*
     * ======================================================================
     * 
     * MACHINEGUN / CHAINGUN
     * 
     * ======================================================================
     */

    public static EntThinkAdapter Machinegun_Fire = new EntThinkAdapter() {
    	public String getID() { return "Machinegun_Fire"; }

        public boolean think(edict_t ent) {

            int i;
            float[] start = { 0, 0, 0 };
            float[] forward = { 0, 0, 0 }, right = { 0, 0, 0 };
            float[] angles = { 0, 0, 0 };
            int damage = 8;
            int kick = 2;
            float[] offset = { 0, 0, 0 };

            if (0 == (ent.client.buttons & Defines.BUTTON_ATTACK)) {
                ent.client.machinegun_shots = 0;
                ent.client.ps.gunframe++;
                return true;
            }

            if (ent.client.ps.gunframe == 5)
                ent.client.ps.gunframe = 4;
            else
                ent.client.ps.gunframe = 5;

            if (ent.client.pers.inventory[ent.client.ammo_index] < 1) {
                ent.client.ps.gunframe = 6;
                if (GameBase.level.time >= ent.pain_debounce_time) {
                    GameBase.gi.sound(ent, Defines.CHAN_VOICE, GameBase.gi
                            .soundindex("weapons/noammo.wav"), 1,
                            Defines.ATTN_NORM, 0);
                    ent.pain_debounce_time = GameBase.level.time + 1;
                }
                NoAmmoWeaponChange(ent);
                return true;
            }

            if (is_quad) {
                damage *= 4;
                kick *= 4;
            }

            for (i = 1; i < 3; i++) {
                ent.client.kick_origin[i] = Lib.crandom() * 0.35f;
                ent.client.kick_angles[i] = Lib.crandom() * 0.7f;
            }
            ent.client.kick_origin[0] = Lib.crandom() * 0.35f;
            ent.client.kick_angles[0] = ent.client.machinegun_shots * -1.5f;

            // raise the gun as it is firing
            if (0 == GameBase.deathmatch.value) {
                ent.client.machinegun_shots++;
                if (ent.client.machinegun_shots > 9)
                    ent.client.machinegun_shots = 9;
            }

            // get start / end positions
            Math3D
                    .VectorAdd(ent.client.v_angle, ent.client.kick_angles,
                            angles);
            Math3D.AngleVectors(angles, forward, right, null);
            Math3D.VectorSet(offset, 0, 8, ent.viewheight - 8);
            P_ProjectSource(ent.client, ent.s.origin, offset, forward, right,
                    start);
            GameWeapon.fire_bullet(ent, start, forward, damage, kick,
                    Defines.DEFAULT_BULLET_HSPREAD,
                    Defines.DEFAULT_BULLET_VSPREAD, Defines.MOD_MACHINEGUN);

            GameBase.gi.WriteByte(Defines.svc_muzzleflash);

            GameBase.gi.WriteShort(ent.index);
            GameBase.gi.WriteByte(Defines.MZ_MACHINEGUN | is_silenced);
            GameBase.gi.multicast(ent.s.origin, Defines.MULTICAST_PVS);

            PlayerWeapon.PlayerNoise(ent, start, Defines.PNOISE_WEAPON);

            if (0 == ((int) GameBase.dmflags.value & Defines.DF_INFINITE_AMMO))
                ent.client.pers.inventory[ent.client.ammo_index]--;

            ent.client.anim_priority = Defines.ANIM_ATTACK;
            if ((ent.client.ps.pmove.pm_flags & pmove_t.PMF_DUCKED) != 0) {
                ent.s.frame = M_Player.FRAME_crattak1
                        - (int) (Lib.random() + 0.25);
                ent.client.anim_end = M_Player.FRAME_crattak9;
            } else {
                ent.s.frame = M_Player.FRAME_attack1
                        - (int) (Lib.random() + 0.25);
                ent.client.anim_end = M_Player.FRAME_attack8;
            }
            return true;
        }
    };

    public static EntThinkAdapter Chaingun_Fire = new EntThinkAdapter() {
    	public String getID() { return "Chaingun_Fire"; }

        public boolean think(edict_t ent) {

            int i;
            int shots;
            float[] start = { 0, 0, 0 };
            float[] forward = { 0, 0, 0 }, right = { 0, 0, 0 }, up = { 0, 0, 0 };
            float r, u;
            float[] offset = { 0, 0, 0 };
            int damage;
            int kick = 2;

            if (GameBase.deathmatch.value != 0)
                damage = 6;
            else
                damage = 8;

            if (ent.client.ps.gunframe == 5)
                GameBase.gi.sound(ent, Defines.CHAN_AUTO, GameBase.gi
                        .soundindex("weapons/chngnu1a.wav"), 1,
                        Defines.ATTN_IDLE, 0);

            if ((ent.client.ps.gunframe == 14)
                    && 0 == (ent.client.buttons & Defines.BUTTON_ATTACK)) {
                ent.client.ps.gunframe = 32;
                ent.client.weapon_sound = 0;
                return true;
            } else if ((ent.client.ps.gunframe == 21)
                    && (ent.client.buttons & Defines.BUTTON_ATTACK) != 0
                    && 0 != ent.client.pers.inventory[ent.client.ammo_index]) {
                ent.client.ps.gunframe = 15;
            } else {
                ent.client.ps.gunframe++;
            }

            if (ent.client.ps.gunframe == 22) {
                ent.client.weapon_sound = 0;
                GameBase.gi.sound(ent, Defines.CHAN_AUTO, GameBase.gi
                        .soundindex("weapons/chngnd1a.wav"), 1,
                        Defines.ATTN_IDLE, 0);
            } else {
                ent.client.weapon_sound = GameBase.gi
                        .soundindex("weapons/chngnl1a.wav");
            }

            ent.client.anim_priority = Defines.ANIM_ATTACK;
            if ((ent.client.ps.pmove.pm_flags & pmove_t.PMF_DUCKED) != 0) {
                ent.s.frame = M_Player.FRAME_crattak1
                        - (ent.client.ps.gunframe & 1);
                ent.client.anim_end = M_Player.FRAME_crattak9;
            } else {
                ent.s.frame = M_Player.FRAME_attack1
                        - (ent.client.ps.gunframe & 1);
                ent.client.anim_end = M_Player.FRAME_attack8;
            }

            if (ent.client.ps.gunframe <= 9)
                shots = 1;
            else if (ent.client.ps.gunframe <= 14) {
                if ((ent.client.buttons & Defines.BUTTON_ATTACK) != 0)
                    shots = 2;
                else
                    shots = 1;
            } else
                shots = 3;

            if (ent.client.pers.inventory[ent.client.ammo_index] < shots)
                shots = ent.client.pers.inventory[ent.client.ammo_index];

            if (0 == shots) {
                if (GameBase.level.time >= ent.pain_debounce_time) {
                    GameBase.gi.sound(ent, Defines.CHAN_VOICE, GameBase.gi
                            .soundindex("weapons/noammo.wav"), 1,
                            Defines.ATTN_NORM, 0);
                    ent.pain_debounce_time = GameBase.level.time + 1;
                }
                NoAmmoWeaponChange(ent);
                return true;
            }

            if (is_quad) {
                damage *= 4;
                kick *= 4;
            }

            for (i = 0; i < 3; i++) {
                ent.client.kick_origin[i] = Lib.crandom() * 0.35f;
                ent.client.kick_angles[i] = Lib.crandom() * 0.7f;
            }

            for (i = 0; i < shots; i++) {
                // get start / end positions
                Math3D.AngleVectors(ent.client.v_angle, forward, right, up);
                r = 7 + Lib.crandom() * 4;
                u = Lib.crandom() * 4;
                Math3D.VectorSet(offset, 0, r, u + ent.viewheight - 8);
                P_ProjectSource(ent.client, ent.s.origin, offset, forward,
                        right, start);

                GameWeapon.fire_bullet(ent, start, forward, damage, kick,
                        Defines.DEFAULT_BULLET_HSPREAD,
                        Defines.DEFAULT_BULLET_VSPREAD, Defines.MOD_CHAINGUN);
            }

            // send muzzle flash
            GameBase.gi.WriteByte(Defines.svc_muzzleflash);

            GameBase.gi.WriteShort(ent.index);
            GameBase.gi.WriteByte((Defines.MZ_CHAINGUN1 + shots - 1)
                    | is_silenced);
            GameBase.gi.multicast(ent.s.origin, Defines.MULTICAST_PVS);

            PlayerWeapon.PlayerNoise(ent, start, Defines.PNOISE_WEAPON);

            if (0 == ((int) GameBase.dmflags.value & Defines.DF_INFINITE_AMMO))
                ent.client.pers.inventory[ent.client.ammo_index] -= shots;

            return true;
        }
    };

    public static int pause_frames[] = { 39, 45, 50, 55, 0 };

    public static int fire_frames[] = { 9, 17, 0 };

    public static EntInteractAdapter Pickup_Weapon = new EntInteractAdapter() {
    	public String getID() { return "Pickup_Weapon"; }
        public boolean interact(edict_t ent, edict_t other) {
            int index;
            gitem_t ammo;
    
            index = GameItems.ITEM_INDEX(ent.item);
    
            if ((((int) (GameBase.dmflags.value) & Defines.DF_WEAPONS_STAY) != 0 || GameBase.coop.value != 0)
                    && 0 != other.client.pers.inventory[index]) {
                if (0 == (ent.spawnflags & (Defines.DROPPED_ITEM | Defines.DROPPED_PLAYER_ITEM)))
                    return false; // leave the weapon for others to pickup
            }
    
            other.client.pers.inventory[index]++;
    
            if (0 == (ent.spawnflags & Defines.DROPPED_ITEM)) {
                // give them some ammo with it
                ammo = GameItems.FindItem(ent.item.ammo);
                if (((int) GameBase.dmflags.value & Defines.DF_INFINITE_AMMO) != 0)
                    GameItems.Add_Ammo(other, ammo, 1000);
                else
                    GameItems.Add_Ammo(other, ammo, ammo.quantity);
    
                if (0 == (ent.spawnflags & Defines.DROPPED_PLAYER_ITEM)) {
                    if (GameBase.deathmatch.value != 0) {
                        if (((int) (GameBase.dmflags.value) & Defines.DF_WEAPONS_STAY) != 0)
                            ent.flags |= Defines.FL_RESPAWN;
                        else
                            GameItems.SetRespawn(ent, 30);
                    }
                    if (GameBase.coop.value != 0)
                        ent.flags |= Defines.FL_RESPAWN;
                }
            }
    
            if (other.client.pers.weapon != ent.item
                    && (other.client.pers.inventory[index] == 1)
                    && (0 == GameBase.deathmatch.value || other.client.pers.weapon == GameItems
                            .FindItem("blaster")))
                other.client.newweapon = ent.item;
    
            return true;
        }
    };

    public static void P_ProjectSource(gclient_t client, float[] point,
            float[] distance, float[] forward, float[] right, float[] result) {
        float[] _distance = { 0, 0, 0 };

        Math3D.VectorCopy(distance, _distance);
        if (client.pers.hand == Defines.LEFT_HANDED)
            _distance[1] *= -1;
        else if (client.pers.hand == Defines.CENTER_HANDED)
            _distance[1] = 0;
        Math3D.G_ProjectSource(point, _distance, forward, right, result);
    }

    /*
     * =============== 
     * ChangeWeapon
     * 
     * The old weapon has been dropped all the way, so make the new one current
     * ===============
     */
    public static void ChangeWeapon(edict_t ent) {
        int i;

        if (ent.client.grenade_time != 0) {
            ent.client.grenade_time = GameBase.level.time;
            ent.client.weapon_sound = 0;
            weapon_grenade_fire(ent, false);
            ent.client.grenade_time = 0;
        }

        ent.client.pers.lastweapon = ent.client.pers.weapon;
        ent.client.pers.weapon = ent.client.newweapon;
        ent.client.newweapon = null;
        ent.client.machinegun_shots = 0;

        // set visible model
        if (ent.s.modelindex == 255) {
            if (ent.client.pers.weapon != null)
                i = ((ent.client.pers.weapon.weapmodel & 0xff) << 8);
            else
                i = 0;
            ent.s.skinnum = (ent.index - 1) | i;
        }

        if (ent.client.pers.weapon != null
                && ent.client.pers.weapon.ammo != null)
            
            ent.client.ammo_index = GameItems.ITEM_INDEX(GameItems
                    .FindItem(ent.client.pers.weapon.ammo));
        else
            ent.client.ammo_index = 0;

        if (ent.client.pers.weapon == null) { // dead
            ent.client.ps.gunindex = 0;
            return;
        }

        ent.client.weaponstate = Defines.WEAPON_ACTIVATING;
        ent.client.ps.gunframe = 0;
        ent.client.ps.gunindex = GameBase.gi
                .modelindex(ent.client.pers.weapon.view_model);

        ent.client.anim_priority = Defines.ANIM_PAIN;
        if ((ent.client.ps.pmove.pm_flags & pmove_t.PMF_DUCKED) != 0) {
            ent.s.frame = M_Player.FRAME_crpain1;
            ent.client.anim_end = M_Player.FRAME_crpain4;
        } else {
            ent.s.frame = M_Player.FRAME_pain301;
            ent.client.anim_end = M_Player.FRAME_pain304;

        }