/*
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 26.02.2004 by RST.
// $Id: GameAIAdapters.java,v 1.3 2004-08-22 15:46:19 salomo Exp $

package jake2.game;

import jake2.Defines;
import jake2.Globals;
import jake2.client.M;
import jake2.qcommon.Com;
import jake2.util.*;

import java.util.*;

public class GameAIAdapters {
	/** Common Boss explode animation.*/

	public static EntThinkAdapter BossExplode= new EntThinkAdapter() {
		public boolean think(edict_t self) {
			float[] org= { 0, 0, 0 };

			int n;

			self.think= BossExplode;
			Math3D.VectorCopy(self.s.origin, org);
			org[2] += 24 + (Lib.rand() & 15);
			switch (self.count++) {
				case 0 :
					org[0] -= 24;
					org[1] -= 24;
					break;
				case 1 :
					org[0] += 24;
					org[1] += 24;
					break;
				case 2 :
					org[0] += 24;
					org[1] -= 24;
					break;
				case 3 :
					org[0] -= 24;
					org[1] += 24;
					break;
				case 4 :
					org[0] -= 48;
					org[1] -= 48;
					break;
				case 5 :
					org[0] += 48;
					org[1] += 48;
					break;
				case 6 :
					org[0] -= 48;
					org[1] += 48;
					break;
				case 7 :
					org[0] += 48;
					org[1] -= 48;
					break;
				case 8 :
					self.s.sound= 0;
					for (n= 0; n < 4; n++)
						GameAI.ThrowGib(self, "models/objects/gibs/sm_meat/tris.md2", 500, Defines.GIB_ORGANIC);
					for (n= 0; n < 8; n++)
						GameAI.ThrowGib(self, "models/objects/gibs/sm_metal/tris.md2", 500, Defines.GIB_METALLIC);
					GameAI.ThrowGib(self, "models/objects/gibs/chest/tris.md2", 500, Defines.GIB_ORGANIC);
					GameAI.ThrowHead(self, "models/objects/gibs/gear/tris.md2", 500, Defines.GIB_METALLIC);
					self.deadflag= Defines.DEAD_DEAD;
					return true;
			}

			GameBase.gi.WriteByte(Defines.svc_temp_entity);
			GameBase.gi.WriteByte(Defines.TE_EXPLOSION1);
			GameBase.gi.WritePosition(org);
			GameBase.gi.multicast(self.s.origin, Defines.MULTICAST_PVS);

			self.nextthink= GameBase.level.time + 0.1f;
			return true;
		}
	};
	public static EntThinkAdapter walkmonster_start_go= new EntThinkAdapter() {
		public boolean think(edict_t self) {

			if (0 == (self.spawnflags & 2) && GameBase.level.time < 1) {
				M.M_droptofloor.think(self);

				if (self.groundentity != null)
					if (!M.M_walkmove(self, 0, 0))
						GameBase.gi.dprintf(self.classname + " in solid at " + Lib.vtos(self.s.origin) + "\n");
			}

			if (0 == self.yaw_speed)
				self.yaw_speed= 20;
			self.viewheight= 25;

			Monster.monster_start_go(self);

			if ((self.spawnflags & 2) != 0)
				MonsterAdapters.monster_triggered_start.think(self);
			return true;
		}
	};
	public static EntThinkAdapter walkmonster_start= new EntThinkAdapter() {
		public boolean think(edict_t self) {

			self.think= walkmonster_start_go;
			Monster.monster_start(self);
			return true;
		}
	};
	public static EntThinkAdapter flymonster_start_go= new EntThinkAdapter() {
		public boolean think(edict_t self) {
			if (!M.M_walkmove(self, 0, 0))
				GameBase.gi.dprintf(self.classname + " in solid at " + Lib.vtos(self.s.origin) + "\n");

			if (0 == self.yaw_speed)
				self.yaw_speed= 10;
			self.viewheight= 25;

			Monster.monster_start_go(self);

			if ((self.spawnflags & 2) != 0)
				MonsterAdapters.monster_triggered_start.think(self);
			return true;
		}
	};
	public static EntThinkAdapter flymonster_start= new EntThinkAdapter() {
		public boolean think(edict_t self) {
			self.flags |= Defines.FL_FLY;
			self.think= flymonster_start_go;
			Monster.monster_start(self);
			return true;
		}
	};
	public static EntThinkAdapter swimmonster_start_go= new EntThinkAdapter() {
		public boolean think(edict_t self) {
			if (0 == self.yaw_speed)
				self.yaw_speed= 10;
			self.viewheight= 10;

			Monster.monster_start_go(self);

			if ((self.spawnflags & 2) != 0)
				MonsterAdapters.monster_triggered_start.think(self);
			return true;
		}
	};
	public static EntThinkAdapter swimmonster_start= new EntThinkAdapter() {
		public boolean think(edict_t self) {

			{
				self.flags |= Defines.FL_SWIM;
				self.think= swimmonster_start_go;
				Monster.monster_start(self);
				return true;
			}
		}
	};
	/*
	=============
	ai_turn
	
	don't move, but turn towards ideal_yaw
	Distance is for slight position adjustments needed by the animations
	=============
	*/
	public static AIAdapter ai_turn= new AIAdapter() {
		public void ai(edict_t self, float dist) {

			if (dist != 0)
				M.M_walkmove(self, self.s.angles[Defines.YAW], dist);

			if (GameUtil.FindTarget(self))
				return;

			M.M_ChangeYaw(self);
		}
	};
	/*
	=============
	ai_move
	
	Move the specified distance at current facing.
	This replaces the QC functions: ai_forward, ai_back, ai_pain, and ai_painforward
	==============
	*/
	public static AIAdapter ai_move= new AIAdapter() {
		public void ai(edict_t self, float dist) {
			M.M_walkmove(self, self.s.angles[Defines.YAW], dist);
		}
	};
	/*
	=============
	ai_walk
	
	The monster is walking it's beat
	=============
	*/
	public static AIAdapter ai_walk= new AIAdapter() {
		public void ai(edict_t self, float dist) {
			if (self.index == 312)
				self.index= 312;

			M.M_MoveToGoal(self, dist);

			// check for noticing a player
			if (GameUtil.FindTarget(self))
				return;

			if ((self.monsterinfo.search != null) && (GameBase.level.time > self.monsterinfo.idle_time)) {
				if (self.monsterinfo.idle_time != 0) {
					self.monsterinfo.search.think(self);
					self.monsterinfo.idle_time= GameBase.level.time + 15 + Globals.rnd.nextFloat() * 15;
				}
				else {
					self.monsterinfo.idle_time= GameBase.level.time + Globals.rnd.nextFloat() * 15;
				}
			}
		}
	};
	/*
	=============
	ai_stand
	
	Used for standing around and looking for players
	Distance is for slight position adjustments needed by the animations
	==============
	*/

	public static AIAdapter ai_stand= new AIAdapter() {
		public void ai(edict_t self, float dist) {
			float[] v= { 0, 0, 0 };

			if (dist != 0)
				M.M_walkmove(self, self.s.angles[Defines.YAW], dist);

			if ((self.monsterinfo.aiflags & Defines.AI_STAND_GROUND) != 0) {
				if (self.enemy != null) {
					Math3D.VectorSubtract(self.enemy.s.origin, self.s.origin, v);
					self.ideal_yaw= Math3D.vectoyaw(v);
					if (self.s.angles[Defines.YAW] != self.ideal_yaw
						&& 0 != (self.monsterinfo.aiflags & Defines.AI_TEMP_STAND_GROUND)) {
						self.monsterinfo.aiflags &= ~(Defines.AI_STAND_GROUND | Defines.AI_TEMP_STAND_GROUND);
						self.monsterinfo.run.think(self);
					}
					M.M_ChangeYaw(self);
					GameAI.ai_checkattack(self, 0);
				}
				else
					GameUtil.FindTarget(self);
				return;
			}

			if (GameUtil.FindTarget(self))
				return;

			if (GameBase.level.time > self.monsterinfo.pausetime) {
				self.monsterinfo.walk.think(self);
				return;
			}

			if (0 == (self.spawnflags & 1) && (self.monsterinfo.idle != null) && (GameBase.level.time > self.monsterinfo.idle_time)) {
				if (self.monsterinfo.idle_time != 0) {
					self.monsterinfo.idle.think(self);
					self.monsterinfo.idle_time= GameBase.level.time + 15 + Globals.rnd.nextFloat() * 15;
				}
				else {
					self.monsterinfo.idle_time= GameBase.level.time + Globals.rnd.nextFloat() * 15;
				}
			}
		}
	};
	/*
	=============
	ai_charge
	
	Turns towards target and advances
	Use this call with a distnace of 0 to replace ai_face
	==============
	*/
	public static AIAdapter ai_charge= new AIAdapter() {

		public void ai(edict_t self, float dist) {
			float[] v= { 0, 0, 0 };

			Math3D.VectorSubtract(self.enemy.s.origin, self.s.origin, v);
			self.ideal_yaw= Math3D.vectoyaw(v);
			M.M_ChangeYaw(self);

			if (dist != 0)
				M.M_walkmove(self, self.s.angles[Defines.YAW], dist);
		}
	};
	/*
	=============
	ai_run
	
	The monster has an enemy it is trying to kill
	=============
	*/ //ok
	public static AIAdapter ai_run= new AIAdapter() {
		public void ai(edict_t self, float dist) {
			float[] v= { 0, 0, 0 };

			edict_t tempgoal;
			edict_t save;
			boolean new1;
			edict_t marker;
			float d1, d2;
			trace_t tr; // mem
			float[] v_forward= { 0, 0, 0 }, v_right= { 0, 0, 0 };
			float left, center, right;
			float[] left_target= { 0, 0, 0 }, right_target= { 0, 0, 0 };

			// if we're going to a combat point, just proceed
			if ((self.monsterinfo.aiflags & Defines.AI_COMBAT_POINT) != 0) {
				M.M_MoveToGoal(self, dist);
				return;
			}

			if ((self.monsterinfo.aiflags & Defines.AI_SOUND_TARGET) != 0) {
				Math3D.VectorSubtract(self.s.origin, self.enemy.s.origin, v);
				if (Math3D.VectorLength(v) < 64) {
					self.monsterinfo.aiflags |= (Defines.AI_STAND_GROUND | Defines.AI_TEMP_STAND_GROUND);
					self.monsterinfo.stand.think(self);
					return;
				}

				M.M_MoveToGoal(self, dist);

				if (!GameUtil.FindTarget(self))
					return;
			}

			if (GameAI.ai_checkattack(self, dist))
				return;

			if (self.monsterinfo.attack_state == Defines.AS_SLIDING) {
				GameAI.ai_run_slide(self, dist);
				return;
			}

			if (GameUtilAdapters.enemy_vis) {
				//			if (self.aiflags & AI_LOST_SIGHT)
				//				dprint("regained sight\n");
				M.M_MoveToGoal(self, dist);
				self.monsterinfo.aiflags &= ~Defines.AI_LOST_SIGHT;
				Math3D.VectorCopy(self.enemy.s.origin, self.monsterinfo.last_sighting);
				self.monsterinfo.trail_time= GameBase.level.time;
				return;
			}

			// coop will change to another enemy if visible
			if (GameBase.coop.value != 0) {
				// FIXME: insane guys get mad with this, which causes crashes!
				if (GameUtil.FindTarget(self))
					return;
			}

			if ((self.monsterinfo.search_time != 0) && (GameBase.level.time > (self.monsterinfo.search_time + 20))) {
				M.M_MoveToGoal(self, dist);
				self.monsterinfo.search_time= 0;
				//			dprint("search timeout\n");
				return;
			}

			save= self.goalentity;
			tempgoal= GameUtil.G_Spawn();
			self.goalentity= tempgoal;

			new1= false;

			if (0 == (self.monsterinfo.aiflags & Defines.AI_LOST_SIGHT)) {
				// just lost sight of the player, decide where to go first
				//			dprint("lost sight of player, last seen at "); dprint(vtos(self.last_sighting)); dprint("\n");
				self.monsterinfo.aiflags |= (Defines.AI_LOST_SIGHT | Defines.AI_PURSUIT_LAST_SEEN);
				self.monsterinfo.aiflags &= ~(Defines.AI_PURSUE_NEXT | Defines.AI_PURSUE_TEMP);
				new1= true;
			}

			if ((self.monsterinfo.aiflags & Defines.AI_PURSUE_NEXT) != 0) {
				self.monsterinfo.aiflags &= ~Defines.AI_PURSUE_NEXT;
				//			dprint("reached current goal: "); dprint(vtos(self.origin)); dprint(" "); dprint(vtos(self.last_sighting)); dprint(" "); dprint(ftos(vlen(self.origin - self.last_sighting))); dprint("\n");

				// give ourself more time since we got this far
				self.monsterinfo.search_time= GameBase.level.time + 5;

				if ((self.monsterinfo.aiflags & Defines.AI_PURSUE_TEMP) != 0) {
					//				dprint("was temp goal; retrying original\n");
					self.monsterinfo.aiflags &= ~Defines.AI_PURSUE_TEMP;
					marker= null;
					Math3D.VectorCopy(self.monsterinfo.saved_goal, self.monsterinfo.last_sighting);
					new1= true;
				}
				else if ((self.monsterinfo.aiflags & Defines.AI_PURSUIT_LAST_SEEN) != 0) {
					self.monsterinfo.aiflags &= ~Defines.AI_PURSUIT_LAST_SEEN;
					marker= PlayerTrail.PickFirst(self);
				}
				else {
					marker= PlayerTrail.PickNext(self);
				}

				if (marker != null) {
					Math3D.VectorCopy(marker.s.origin, self.monsterinfo.last_sighting);
					self.monsterinfo.trail_time= marker.timestamp;
					self.s.angles[Defines.YAW]= self.ideal_yaw= marker.s.angles[Defines.YAW];
					//				dprint("heading is "); dprint(ftos(self.ideal_yaw)); dprint("\n");

					//				debug_drawline(self.origin, self.last_sighting, 52);
					new1= true;
				}
			}

			Math3D.VectorSubtract(self.s.origin, self.monsterinfo.last_sighting, v);
			d1= Math3D.VectorLength(v);
			if (d1 <= dist) {
				self.monsterinfo.aiflags |= Defines.AI_PURSUE_NEXT;
				dist= d1;
			}

			Math3D.VectorCopy(self.monsterinfo.last_sighting, self.goalentity.s.origin);

			if (new1) {
				//			gi.dprintf("checking for course correction\n");

				tr=
					GameBase.gi.trace(
						self.s.origin,
						self.mins,
						self.maxs,
						self.monsterinfo.last_sighting,
						self,
						Defines.MASK_PLAYERSOLID);
				if (tr.fraction < 1) {
					Math3D.VectorSubtract(self.goalentity.s.origin, self.s.origin, v);
					d1= Math3D.VectorLength(v);
					center= tr.fraction;
					d2= d1 * ((center + 1) / 2);
					self.s.angles[Defines.YAW]= self.ideal_yaw= Math3D.vectoyaw(v);
					Math3D.AngleVectors(self.s.angles, v_forward, v_right, null);

					Math3D.VectorSet(v, d2, -16, 0);
					Math3D.G_ProjectSource(self.s.origin, v, v_forward, v_right, left_target);
					tr= GameBase.gi.trace(self.s.origin, self.mins, self.maxs, left_target, self, Defines.MASK_PLAYERSOLID);
					left= tr.fraction;

					Math3D.VectorSet(v, d2, 16, 0);
					Math3D.G_ProjectSource(self.s.origin, v, v_forward, v_right, right_target);
					tr= GameBase.gi.trace(self.s.origin, self.mins, self.maxs, right_target, self, Defines.MASK_PLAYERSOLID);
					right= tr.fraction;

					center= (d1 * center) / d2;
					if (left >= center && left > right) {
						if (left < 1) {
							Math3D.VectorSet(v, d2 * left * 0.5f, -16f, 0f);
							Math3D.G_ProjectSource(self.s.origin, v, v_forward, v_right, left_target);
							//						gi.dprintf("incomplete path, go part way and adjust again\n");
						}
						Math3D.VectorCopy(self.monsterinfo.last_sighting, self.monsterinfo.saved_goal);
						self.monsterinfo.aiflags |= Defines.AI_PURSUE_TEMP;
						Math3D.VectorCopy(left_target, self.goalentity.s.origin);
						Math3D.VectorCopy(left_target, self.monsterinfo.last_sighting);
						Math3D.VectorSubtract(self.goalentity.s.origin, self.s.origin, v);
						self.s.angles[Defines.YAW]= self.ideal_yaw= Math3D.vectoyaw(v);
						//					gi.dprintf("adjusted left\n");
						//					debug_drawline(self.origin, self.last_sighting, 152);
					}
					else if (right >= center && right > left) {
						if (right < 1) {
							Math3D.VectorSet(v, d2 * right * 0.5f, 16f, 0f);
							Math3D.G_ProjectSource(self.s.origin, v, v_forward, v_right, right_target);
							//						gi.dprintf("incomplete path, go part way and adjust again\n");
						}
						Math3D.VectorCopy(self.monsterinfo.last_sighting, self.monsterinfo.saved_goal);
						self.monsterinfo.aiflags |= Defines.AI_PURSUE_TEMP;
						Math3D.VectorCopy(right_target, self.goalentity.s.origin);
						Math3D.VectorCopy(right_target, self.monsterinfo.last_sighting);
						Math3D.VectorSubtract(self.goalentity.s.origin, self.s.origin, v);
						self.s.angles[Defines.YAW]= self.ideal_yaw= Math3D.vectoyaw(v);
						//					gi.dprintf("adjusted right\n");
						//					debug_drawline(self.origin, self.last_sighting, 152);
					}
				}
				//			else gi.dprintf("course was fine\n");
			}

			M.M_MoveToGoal(self, dist);

			GameUtil.G_FreeEdict(tempgoal);

			if (self != null)
				self.goalentity= save;
		}
	};
	public static EntInteractAdapter Pickup_Ammo= new EntInteractAdapter() {
		public boolean interact(edict_t ent, edict_t other) {
			int oldcount;
			int count;
			boolean weapon;

			weapon= (ent.item.flags & Defines.IT_WEAPON) != 0;
			if ((weapon) && ((int) GameBase.dmflags.value & Defines.DF_INFINITE_AMMO) != 0)
				count= 1000;
			else if (ent.count != 0)
				count= ent.count;
			else
				count= ent.item.quantity;

			oldcount= other.client.pers.inventory[GameUtil.ITEM_INDEX(ent.item)];

			if (!GameAI.Add_Ammo(other, ent.item, count))
				return false;

			if (weapon && 0 == oldcount) {
				if (other.client.pers.weapon != ent.item
					&& (0 == GameBase.deathmatch.value || other.client.pers.weapon == GameUtil.FindItem("blaster")))
					other.client.newweapon= ent.item;
			}

			if (0 == (ent.spawnflags & (Defines.DROPPED_ITEM | Defines.DROPPED_PLAYER_ITEM)) && (GameBase.deathmatch.value != 0))
				GameUtil.SetRespawn(ent, 30);
			return true;
		}
	};
	public static EntInteractAdapter Pickup_Armor= new EntInteractAdapter() {
		public boolean interact(edict_t ent, edict_t other) {
			int old_armor_index;
			gitem_armor_t oldinfo;
			gitem_armor_t newinfo;
			int newcount;
			float salvage;
			int salvagecount;

			// get info on new armor
			newinfo= (gitem_armor_t) ent.item.info;

			old_armor_index= GameUtil.ArmorIndex(other);

			// handle armor shards specially
			if (ent.item.tag == Defines.ARMOR_SHARD) {
				if (0 == old_armor_index)
					other.client.pers.inventory[GameUtilAdapters.jacket_armor_index]= 2;
				else
					other.client.pers.inventory[old_armor_index] += 2;
			}

			// if player has no armor, just use it
			else if (0 == old_armor_index) {
				other.client.pers.inventory[GameUtil.ITEM_INDEX(ent.item)]= newinfo.base_count;
			}

			// use the better armor
			else {
				// get info on old armor
				if (old_armor_index == GameUtilAdapters.jacket_armor_index)
					oldinfo= jacketarmor_info;

				else if (old_armor_index == GameUtilAdapters.combat_armor_index)
					oldinfo= combatarmor_info;

				else // (old_armor_index == body_armor_index)
					oldinfo= bodyarmor_info;

				if (newinfo.normal_protection > oldinfo.normal_protection) {
					// calc new armor values
					salvage= oldinfo.normal_protection / newinfo.normal_protection;
					salvagecount= (int) salvage * other.client.pers.inventory[old_armor_index];
					newcount= newinfo.base_count + salvagecount;
					if (newcount > newinfo.max_count)
						newcount= newinfo.max_count;

					// zero count of old armor so it goes away
					other.client.pers.inventory[old_armor_index]= 0;

					// change armor to new item with computed value
					other.client.pers.inventory[GameUtil.ITEM_INDEX(ent.item)]= newcount;
				}
				else {
					// calc new armor values
					salvage= newinfo.normal_protection / oldinfo.normal_protection;
					salvagecount= (int) salvage * newinfo.base_count;
					newcount= other.client.pers.inventory[old_armor_index] + salvagecount;
					if (newcount > oldinfo.max_count)
						newcount= oldinfo.max_count;

					// if we're already maxed out then we don't need the new armor
					if (other.client.pers.inventory[old_armor_index] >= newcount)
						return false;

					// update current armor value
					other.client.pers.inventory[old_armor_index]= newcount;
				}
			}

			if (0 == (ent.spawnflags & Defines.DROPPED_ITEM) && (GameBase.deathmatch.value != 0))
				GameUtil.SetRespawn(ent, 20);

			return true;
		}
	};
	public static EntInteractAdapter Pickup_PowerArmor= new EntInteractAdapter() {
		public boolean interact(edict_t ent, edict_t other) {

			int quantity;

			quantity= other.client.pers.inventory[GameUtil.ITEM_INDEX(ent.item)];

			other.client.pers.inventory[GameUtil.ITEM_INDEX(ent.item)]++;

			if (GameBase.deathmatch.value != 0) {
				if (0 == (ent.spawnflags & Defines.DROPPED_ITEM))
					GameUtil.SetRespawn(ent, ent.item.quantity);
				// auto-use for DM only if we didn't already have one
				if (0 == quantity)
					ent.item.use.use(other, ent.item);
			}
			return true;
		}
	};
	//	======================================================================

	public static EntInteractAdapter Pickup_Powerup= new EntInteractAdapter() {

		public boolean interact(edict_t ent, edict_t other) {
			int quantity;

			quantity= other.client.pers.inventory[GameUtil.ITEM_INDEX(ent.item)];
			if ((GameBase.skill.value == 1 && quantity >= 2) || (GameBase.skill.value >= 2 && quantity >= 1))
				return false;

			if ((GameBase.coop.value != 0) && (ent.item.flags & Defines.IT_STAY_COOP) != 0 && (quantity > 0))
				return false;

			other.client.pers.inventory[GameUtil.ITEM_INDEX(ent.item)]++;

			if (GameBase.deathmatch.value != 0) {
				if (0 == (ent.spawnflags & Defines.DROPPED_ITEM))
					GameUtil.SetRespawn(ent, ent.item.quantity);
				if (((int) GameBase.dmflags.value & Defines.DF_INSTANT_ITEMS) != 0
					|| ((ent.item.use == GameUtilAdapters.Use_Quad) && 0 != (ent.spawnflags & Defines.DROPPED_PLAYER_ITEM))) {
					if ((ent.item.use == GameUtilAdapters.Use_Quad) && 0 != (ent.spawnflags & Defines.DROPPED_PLAYER_ITEM))
						GameUtilAdapters.quad_drop_timeout_hack= (int) ((ent.nextthink - GameBase.level.time) / Defines.FRAMETIME);

					ent.item.use.use(other, ent.item);
				}
			}

			return true;
		}
	};
	public static EntInteractAdapter Pickup_Adrenaline= new EntInteractAdapter() {
		public boolean interact(edict_t ent, edict_t other) {
			if (GameBase.deathmatch.value == 0)
				other.max_health += 1;

			if (other.health < other.max_health)
				other.health= other.max_health;

			if (0 == (ent.spawnflags & Defines.DROPPED_ITEM) && (GameBase.deathmatch.value != 0))
				GameUtil.SetRespawn(ent, ent.item.quantity);

			return true;

		}
	};
	public static EntInteractAdapter Pickup_AncientHead= new EntInteractAdapter() {
		public boolean interact(edict_t ent, edict_t other) {
			other.max_health += 2;

			if (0 == (ent.spawnflags & Defines.DROPPED_ITEM) && (GameBase.deathmatch.value != 0))
				GameUtil.SetRespawn(ent, ent.item.quantity);

			return true;
		}
	};
	public static EntInteractAdapter Pickup_Bandolier= new EntInteractAdapter() {
		public boolean interact(edict_t ent, edict_t other) {
			gitem_t item;
			int index;

			if (other.client.pers.max_bullets < 250)
				other.client.pers.max_bullets= 250;
			if (other.client.pers.max_shells < 150)
				other.client.pers.max_shells= 150;
			if (other.client.pers.max_cells < 250)
				other.client.pers.max_cells= 250;
			if (other.client.pers.max_slugs < 75)
				other.client.pers.max_slugs= 75;

			item= GameUtil.FindItem("Bullets");
			if (item != null) {
				index= GameUtil.ITEM_INDEX(item);
				other.client.pers.inventory[index] += item.quantity;
				if (other.client.pers.inventory[index] > other.client.pers.max_bullets)
					other.client.pers.inventory[index]= other.client.pers.max_bullets;
			}

			item= GameUtil.FindItem("Shells");
			if (item != null) {
				index= GameUtil.ITEM_INDEX(item);
				other.client.pers.inventory[index] += item.quantity;
				if (other.client.pers.inventory[index] > other.client.pers.max_shells)
					other.client.pers.inventory[index]= other.client.pers.max_shells;
			}

			if (0 == (ent.spawnflags & Defines.DROPPED_ITEM) && (GameBase.deathmatch.value != 0))
				GameUtil.SetRespawn(ent, ent.item.quantity);

			return true;

		}
	};
	public static EntUseAdapter Use_Item= new EntUseAdapter() {
		public void use(edict_t ent, edict_t other, edict_t activator) {
			ent.svflags &= ~Defines.SVF_NOCLIENT;
			ent.use= null;

			if ((ent.spawnflags & Defines.ITEM_NO_TOUCH) != 0) {
				ent.solid= Defines.SOLID_BBOX;
				ent.touch= null;
			}
			else {
				ent.solid= Defines.SOLID_TRIGGER;
				ent.touch= GameUtilAdapters.Touch_Item;
			}

			GameBase.gi.linkentity(ent);
		}
	};
	/*
	================
	droptofloor
	================
	*/

	public static EntThinkAdapter droptofloor= new EntThinkAdapter() {
		public boolean think(edict_t ent) {
			trace_t tr;
			float[] dest= { 0, 0, 0 };

			//float v[];

			//v = Lib.tv(-15, -15, -15);
			//Math3D.VectorCopy(v, ent.mins);
			ent.mins[0]= ent.mins[1]= ent.mins[2]= -15;
			//v = Lib.tv(15, 15, 15);
			//Math3D.VectorCopy(v, ent.maxs);
			ent.maxs[0]= ent.maxs[1]= ent.maxs[2]= 15;

			if (ent.model != null)
				GameBase.gi.setmodel(ent, ent.model);
			else
				GameBase.gi.setmodel(ent, ent.item.world_model);
			ent.solid= Defines.SOLID_TRIGGER;
			ent.movetype= Defines.MOVETYPE_TOSS;
			ent.touch= GameUtilAdapters.Touch_Item;

			float v[]= { 0, 0, -128 };
			Math3D.VectorAdd(ent.s.origin, v, dest);

			tr= GameBase.gi.trace(ent.s.origin, ent.mins, ent.maxs, dest, ent, Defines.MASK_SOLID);
			if (tr.startsolid) {
				GameBase.gi.dprintf("droptofloor: " + ent.classname + " startsolid at " + Lib.vtos(ent.s.origin) + "\n");
				GameUtil.G_FreeEdict(ent);
				return true;
			}

			Math3D.VectorCopy(tr.endpos, ent.s.origin);

			if (ent.team != null) {
				ent.flags &= ~Defines.FL_TEAMSLAVE;
				ent.chain= ent.teamchain;
				ent.teamchain= null;

				ent.svflags |= Defines.SVF_NOCLIENT;
				ent.solid= Defines.SOLID_NOT;
				if (ent == ent.teammaster) {
					ent.nextthink= GameBase.level.time + Defines.FRAMETIME;
					ent.think= GameUtilAdapters.DoRespawn;
				}
			}

			if ((ent.spawnflags & Defines.ITEM_NO_TOUCH) != 0) {
				ent.solid= Defines.SOLID_BBOX;
				ent.touch= null;
				ent.s.effects &= ~Defines.EF_ROTATE;
				ent.s.renderfx &= ~Defines.RF_GLOW;
			}

			if ((ent.spawnflags & Defines.ITEM_TRIGGER_SPAWN) != 0) {
				ent.svflags |= Defines.SVF_NOCLIENT;
				ent.solid= Defines.SOLID_NOT;
				ent.use= Use_Item;
			}

			GameBase.gi.linkentity(ent);
			return true;
		}
	};
	public static EntThinkAdapter gib_think= new EntThinkAdapter() {
		public boolean think(edict_t self) {
			self.s.frame++;
			self.nextthink= GameBase.level.time + Defines.FRAMETIME;

			if (self.s.frame == 10) {
				self.think= GameUtilAdapters.G_FreeEdictA;
				self.nextthink= GameBase.level.time + 8 + Globals.rnd.nextFloat() * 10;
			}
			return true;
		}
	};
	public static EntTouchAdapter gib_touch= new EntTouchAdapter() {
		public void touch(edict_t self, edict_t other, cplane_t plane, csurface_t surf) {
			float[] normal_angles= { 0, 0, 0 }, right= { 0, 0, 0 };

			if (null == self.groundentity)
				return;

			self.touch= null;

			if (plane != null) {
				GameBase.gi.sound(self, Defines.CHAN_VOICE, GameBase.gi.soundindex("misc/fhit3.wav"), 1, Defines.ATTN_NORM, 0);

				Math3D.vectoangles(plane.normal, normal_angles);
				Math3D.AngleVectors(normal_angles, null, right, null);
				Math3D.vectoangles(right, self.s.angles);

				if (self.s.modelindex == GameBase.sm_meat_index) {
					self.s.frame++;
					self.think= gib_think;
					self.nextthink= GameBase.level.time + Defines.FRAMETIME;
				}
			}
		}
	};
	public static EntDieAdapter gib_die= new EntDieAdapter() {
		public void die(edict_t self, edict_t inflictor, edict_t attacker, int damage, float[] point) {
			GameUtil.G_FreeEdict(self);
		}
	};
	/*
	=================
	debris
	=================
	*/
	public static EntDieAdapter debris_die= new EntDieAdapter() {

		public void die(edict_t self, edict_t inflictor, edict_t attacker, int damage, float[] point) {
			GameUtil.G_FreeEdict(self);
		}
	};
	public static int player_die_i= 0;
	/*
	==================
	player_die
	==================
	*/
	static EntDieAdapter player_die= new EntDieAdapter() {
		public void die(edict_t self, edict_t inflictor, edict_t attacker, int damage, float[] point) {
			int n;

			Math3D.VectorClear(self.avelocity);

			self.takedamage= Defines.DAMAGE_YES;
			self.movetype= Defines.MOVETYPE_TOSS;

			self.s.modelindex2= 0; // remove linked weapon model

			self.s.angles[0]= 0;
			self.s.angles[2]= 0;

			self.s.sound= 0;
			self.client.weapon_sound= 0;

			self.maxs[2]= -8;

			//		self.solid = SOLID_NOT;
			self.svflags |= Defines.SVF_DEADMONSTER;

			if (self.deadflag == 0) {
				self.client.respawn_time= GameBase.level.time + 1.0f;
				GameAI.LookAtKiller(self, inflictor, attacker);
				self.client.ps.pmove.pm_type= Defines.PM_DEAD;
				GameAI.ClientObituary(self, inflictor, attacker);
				GameAI.TossClientWeapon(self);
				if (GameBase.deathmatch.value != 0)
					Cmd.Help_f(self); // show scores

				// clear inventory
				// this is kind of ugly, but it's how we want to handle keys in coop
				for (n= 0; n < GameBase.game.num_items; n++) {
					if (GameBase.coop.value != 0 && (GameAI.itemlist[n].flags & Defines.IT_KEY) != 0)
						self.client.resp.coop_respawn.inventory[n]= self.client.pers.inventory[n];
					self.client.pers.inventory[n]= 0;
				}
			}

			// remove powerups
			self.client.quad_framenum= 0;
			self.client.invincible_framenum= 0;
			self.client.breather_framenum= 0;
			self.client.enviro_framenum= 0;
			self.flags &= ~Defines.FL_POWER_ARMOR;

			if (self.health < -40) { // gib
				GameBase.gi.sound(self, Defines.CHAN_BODY, GameBase.gi.soundindex("misc/udeath.wav"), 1, Defines.ATTN_NORM, 0);
				for (n= 0; n < 4; n++)
					GameAI.ThrowGib(self, "models/objects/gibs/sm_meat/tris.md2", damage, Defines.GIB_ORGANIC);
				GameAI.ThrowClientHead(self, damage);

				self.takedamage= Defines.DAMAGE_NO;
			}
			else { // normal death
				if (self.deadflag == 0) {

					player_die_i= (player_die_i + 1) % 3;
					// start a death animation
					self.client.anim_priority= Defines.ANIM_DEATH;
					if ((self.client.ps.pmove.pm_flags & Defines.PMF_DUCKED) != 0) {
						self.s.frame= M_Player.FRAME_crdeath1 - 1;
						self.client.anim_end= M_Player.FRAME_crdeath5;
					}
					else
						switch (player_die_i) {
							case 0 :
								self.s.frame= M_Player.FRAME_death101 - 1;
								self.client.anim_end= M_Player.FRAME_death106;
								break;
							case 1 :
								self.s.frame= M_Player.FRAME_death201 - 1;
								self.client.anim_end= M_Player.FRAME_death206;
								break;
							case 2 :
								self.s.frame= M_Player.FRAME_death301 - 1;
								self.client.anim_end= M_Player.FRAME_death308;
								break;
						}

					GameBase.gi.sound(
						self,
						Defines.CHAN_VOICE,
						GameBase.gi.soundindex("*death" + ((Lib.rand() % 4) + 1) + ".wav"),
						1,
						Defines.ATTN_NORM,
						0);
				}
			}

			self.deadflag= Defines.DEAD_DEAD;

			GameBase.gi.linkentity(self);
		}
	};
	public static Comparator PlayerSort= new Comparator() {
		public int compare(Object o1, Object o2) {
			int anum= ((Integer) o1).intValue();
			int bnum= ((Integer) o2).intValue();

			int anum1= GameBase.game.clients[anum].ps.stats[Defines.STAT_FRAGS];
			int bnum1= GameBase.game.clients[bnum].ps.stats[Defines.STAT_FRAGS];

			if (anum1 < bnum1)
				return -1;
			if (anum1 > bnum1)
				return 1;
			return 0;
		}
	};
	public static ItemUseAdapter Use_PowerArmor= new ItemUseAdapter() {
		public void use(edict_t ent, gitem_t item) {
			int index;

			if ((ent.flags & Defines.FL_POWER_ARMOR) != 0) {
				ent.flags &= ~Defines.FL_POWER_ARMOR;
				GameBase.gi.sound(ent, Defines.CHAN_AUTO, GameBase.gi.soundindex("misc/power2.wav"), 1, Defines.ATTN_NORM, 0);
			}
			else {
				index= GameUtil.ITEM_INDEX(GameUtil.FindItem("cells"));
				if (0 == ent.client.pers.inventory[index]) {
					GameBase.gi.cprintf(ent, Defines.PRINT_HIGH, "No cells for power armor.\n");
					return;
				}
				ent.flags |= Defines.FL_POWER_ARMOR;
				GameBase.gi.sound(ent, Defines.CHAN_AUTO, GameBase.gi.soundindex("misc/power1.wav"), 1, Defines.ATTN_NORM, 0);
			}
		}
	};
	public static ItemDropAdapter Drop_Ammo= new ItemDropAdapter() {
		public void drop(edict_t ent, gitem_t item) {
			edict_t dropped;
			int index;

			index= GameUtil.ITEM_INDEX(item);
			dropped= GameUtil.Drop_Item(ent, item);
			if (ent.client.pers.inventory[index] >= item.quantity)
				dropped.count= item.quantity;
			else
				dropped.count= ent.client.pers.inventory[index];

			if (ent.client.pers.weapon != null
				&& ent.client.pers.weapon.tag == Defines.AMMO_GRENADES
				&& item.tag == Defines.AMMO_GRENADES
				&& ent.client.pers.inventory[index] - dropped.count <= 0) {
				GameBase.gi.cprintf(ent, Defines.PRINT_HIGH, "Can't drop current weapon\n");
				GameUtil.G_FreeEdict(dropped);
				return;
			}

			ent.client.pers.inventory[index] -= dropped.count;
			GameAI.ValidateSelectedItem(ent);
		}
	};
	public static ItemDropAdapter Drop_General= new ItemDropAdapter() {
		public void drop(edict_t ent, gitem_t item) {
			GameUtil.Drop_Item(ent, item);
			ent.client.pers.inventory[GameUtil.ITEM_INDEX(item)]--;
			GameAI.ValidateSelectedItem(ent);
		}
	};
	public static ItemDropAdapter Drop_PowerArmor= new ItemDropAdapter() {
		public void drop(edict_t ent, gitem_t item) {
			if (0 != (ent.flags & Defines.FL_POWER_ARMOR) && (ent.client.pers.inventory[GameUtil.ITEM_INDEX(item)] == 1))
				Use_PowerArmor.use(ent, item);
			Drop_General.drop(ent, item);
		}
	};
	public static gitem_armor_t jacketarmor_info= new gitem_armor_t(25, 50, .30f, .00f, Defines.ARMOR_JACKET);
	public static gitem_armor_t combatarmor_info= new gitem_armor_t(50, 100, .60f, .30f, Defines.ARMOR_COMBAT);
	public static gitem_armor_t bodyarmor_info= new gitem_armor_t(100, 200, .80f, .60f, Defines.ARMOR_BODY);
}