Method think

game/src/main/java/jake2/game/PlayerWeapon.java:44–143

(SubgameEntity ent, GameExportsImpl gameExports)

    	public String getID() { return "Weapon_Grenade"; }

        public boolean think(SubgameEntity ent, GameExportsImpl gameExports) {
            gclient_t client = ent.getClient();
            if ((client.newweapon != null)
                    && (client.weaponstate == WeaponStates.WEAPON_READY)) {
                ChangeWeapon(ent, gameExports);
                return true;
            }

            if (client.weaponstate == WeaponStates.WEAPON_ACTIVATING) {
                client.weaponstate = WeaponStates.WEAPON_READY;
                client.getPlayerState().gunframe = 16;
                return true;
            }

            if (client.weaponstate == WeaponStates.WEAPON_READY) {
                if (((client.latched_buttons | client.buttons) & Defines.BUTTON_ATTACK) != 0) {
                    client.latched_buttons &= ~Defines.BUTTON_ATTACK;
                    if (0 != client.pers.inventory[client.ammo_index]) {
                        client.getPlayerState().gunframe = 1;
                        client.weaponstate = WeaponStates.WEAPON_FIRING;
                        client.grenade_time = 0;
                    } else {
                        if (gameExports.level.time >= ent.pain_debounce_time) {
                            gameExports.gameImports.sound(ent, Defines.CHAN_VOICE,
                                    gameExports.gameImports
                                            .soundindex("weapons/noammo.wav"),
                                    1, Defines.ATTN_NORM, 0);
                            ent.pain_debounce_time = gameExports.level.time + 1;
                        }
                        NoAmmoWeaponChange(ent, gameExports);
                    }
                    return true;
                }

                if ((client.getPlayerState().gunframe == 29)
                        || (client.getPlayerState().gunframe == 34)
                        || (client.getPlayerState().gunframe == 39)
                        || (client.getPlayerState().gunframe == 48)) {
                    if ((Lib.rand() & 15) != 0)
                        return true;
                }

                if (++client.getPlayerState().gunframe > 48)
                    client.getPlayerState().gunframe = 16;
                return true;
            }

            if (client.weaponstate == WeaponStates.WEAPON_FIRING) {
                if (client.getPlayerState().gunframe == 5)
                    gameExports.gameImports.sound(ent, Defines.CHAN_WEAPON, gameExports.gameImports
                            .soundindex("weapons/hgrena1b.wav"), 1,
                            Defines.ATTN_NORM, 0);

                if (client.getPlayerState().gunframe == 11) {
                    if (0 == client.grenade_time) {
                        client.grenade_time = gameExports.level.time
                                + GameDefines.GRENADE_TIMER + 0.2f;
                        client.weapon_sound = gameExports.gameImports