ai_soldier_state = {}
ai_old_hp = {}
local atk_anim_s = {}
local atk_anim_e = {}
local last_atk_frame = {}
local hit = {}
local hit_in_leg = {}
local run_speed = {}
local temproty = {}
local attack_range = 90
local damage_min = 15
local damage_max = 25
local idle_anim_s = {}
local idle_anim_e = {}
local run_anim_s = {}
local run_anim_e = {}
local walk_anim_s = {}
local walk_anim_e = {}
local walk_speed = {}
local hurt_anim_s = 740
local hurt_anim_e = 751
atk_anim_s[1] = 304
atk_anim_e[1] = 340
atk_anim_s[2] = 407
atk_anim_e[2] = 459
atk_anim_s[3] = 473
atk_anim_e[3] = 536
ai_soldier_pathindex = {}
ai_path_point_direction = {}
ai_patrol_x = {}
ai_patrol_z = {}
ai_path_point_index = {}
ai_path_point_max = {}

function ai_zombie_custom_init(e)
	AISetEntityTurnSpeed(AIObjNo,2500)
	ai_soldier_state[e] = "idle"
	CharacterControlManual(e)
	StopAnimation(e)
	SetCharacterSoundSet(e)
	hit_in_leg[e] = 0
	idle_anim_s[e] = 38
	idle_anim_e[e] = 98
	run_speed[e] = 120
	run_anim_s[e] = 1334
	run_anim_e[e] = 1355
	walk_anim_s[e] = 1208
	walk_anim_e[e] = 1238
	walk_speed[e] = 80
	ai_soldier_pathindex[e] = -1
end 

function ai_zombie_custom_main(e)
	if ai_old_hp[e] == nil then 
		ai_old_hp[e] = g_Entity[e]['health']
	end 
	AIObjNo = g_Entity[e]['obj']
	PlayerDist = GetPlayerDistance(e)
	if ai_soldier_state[e] == "idle" then 
		if ai_soldier_pathindex[e] == -1 then
		 ai_soldier_pathindex[e] = -2
		 PathIndex = -1
		 PathPointIndex = -1
		 pClosest = 99999
		 for pa = 1, AIGetTotalPaths(), 1 do
			for po = 1 , AIGetPathCountPoints(pa), 1 do
			 pDX = g_Entity[e]['x'] - AIPathGetPointX(pa,po)
			 pDZ = g_Entity[e]['z'] - AIPathGetPointZ(pa,po)
			 pDist = math.sqrt(math.abs(pDX*pDX)+math.abs(pDZ*pDZ))
			 if pDist < pClosest and pDist < 200 then
				pClosest = pDist
				PathIndex = pa
				PathPointIndex = po
			 end
			end -- po
		 end -- pa
   if PathIndex > -1 then
    ai_soldier_pathindex[e] = PathIndex
		ai_path_point_index[e] = PathPointIndex
		ai_path_point_direction[e] = 1
		ai_path_point_max[e] = AIGetPathCountPoints(ai_soldier_pathindex[e])
	 end   
  elseif ai_soldier_pathindex[e] > -1 then 
   ai_patrol_x[e] = AIPathGetPointX(ai_soldier_pathindex[e],ai_path_point_index[e])
   ai_patrol_z[e] = AIPathGetPointZ(ai_soldier_pathindex[e],ai_path_point_index[e])
   AIEntityGoToPosition(AIObjNo,ai_patrol_x[e],ai_patrol_z[e])
	 if g_Entity[e]['animating'] ~= 6 then 
		StopAnimation(e)
		SetAnimationFrames(walk_anim_s[e],walk_anim_e[e])
		PlayAnimation(e)
		g_Entity[e]['animating'] = 6 
	 else 
		MoveForward(e,walk_speed[e])
	 end 
   tDistX = g_Entity[e]['x'] - ai_patrol_x[e]
   tDistZ = g_Entity[e]['z'] - ai_patrol_z[e]
   DistFromPath = math.sqrt(math.abs(tDistX*tDistX)+math.abs(tDistZ*tDistZ))	
   if DistFromPath < 50 then
		if ai_path_point_direction[e] == 1 then
		 ai_path_point_index[e] = ai_path_point_index[e] + 1
		 if ( ai_path_point_index[e] > ai_path_point_max[e] ) then
			ai_path_point_index[e] = ai_path_point_max[e] - 1
			ai_path_point_direction[e] = 0
		 end
		else
		 ai_path_point_index[e] = ai_path_point_index[e] - 1
		 if ( ai_path_point_index[e] < 1 ) then
			ai_path_point_index[e] = 2
			ai_path_point_direction[e] = 1
		 end		
		end
	 end
	else 
		if g_Entity[e]['animating'] == 0 or g_Entity[e]['animating'] > 1 then 
			StopAnimation(e)
			SetAnimationFrames(idle_anim_s[e],idle_anim_e[e])
			PlayAnimation(e)
			g_Entity[e]['animating'] = 1 
		end 			
  end
		
		if g_Entity[e]['plrvisible'] == 1 or PlayerDist < AIGetEntityViewRange(AIObjNo)/3 or AIGetEntityHeardSound(AIObjNo) == 1 then 
			ai_soldier_state[e] = "alert"
			PlaySoundIfSilent(e,1)
		end 
	elseif ai_soldier_state[e] == "alert" then 
		if PlayerDist > attack_range then 
			if g_Entity[e]['animating'] ~= 2 then 
				StopAnimation(e)
				SetAnimationFrames(run_anim_s[e],run_anim_e[e])
				PlayAnimation(e)
				g_Entity[e]['animating'] = 2 
			elseif g_Entity[e]['animating'] == 2 then 
				temproty[e] = 15-(PlayerDist/100)
				if temproty[e] < 3 then 
					temproty[e] = 3 
				end 
				AISetEntityTurnSpeed(AIObjNo,temproty[e]*10)
				AIEntityGoToPosition(AIObjNo,g_PlayerPosX,g_PlayerPosY,g_PlayerPosZ)		
				MoveForward(e,run_speed[e])
			end 
		else 
			ai_soldier_state[e] = "attack"
		end 
	elseif ai_soldier_state[e] == "attack" then 
		if g_Entity[e]['animating'] ~= 3 then 
			StopAnimation(e)
			if hit_in_leg[e] == 0 then 
				temp = math.random(1,3)
				SetAnimationFrames(atk_anim_s[temp],atk_anim_e[temp])
				last_atk_frame[e] = atk_anim_e[temp]
			else 
				SetAnimationFrames(3865,3912)
				last_atk_frame[e] = 3912
			end 
			PlayAnimation(e)
			g_Entity[e]['animating'] = 3 
			hit[e] = 0
			StartTimer(e)
		elseif g_Entity[e]['animating'] == 3 and GetTimer(e) > 15 then 
			if GetAnimationFrame(e) > last_atk_frame[e]-15 and PlayerDist <= attack_range and hit[e] == 0 then 
				hit[e] = 1 
				HurtPlayer(e,math.random(damage_min,damage_max))
			end 
			if GetAnimationFrame(e) >= last_atk_frame[e]-1 and GetAnimationFrame(e) <= last_atk_frame[e] then 
				if hit_in_leg[e] == 0 then 
					SetAnimationFrame(e,idle_anim_s[e])
				else 
					SetAnimationFrame(e,3865)
				end 
				g_Entity[e]['animating'] = 0
				ai_soldier_state[e] = "alert"
			end 
		end 
	elseif ai_soldier_state[e] == "hurt" then 
		if g_Entity[e]['animating'] ~= 4 then 
			StopAnimation(e)
			SetAnimationFrames(hurt_anim_s,hurt_anim_e)
			PlayAnimation(e)
			g_Entity[e]['animating'] = 4
		elseif g_Entity[e]['animating'] == 4 then 
			if GetAnimationFrame(e) >= hurt_anim_e-1 and GetAnimationFrame(e) <= hurt_anim_e then 
				ai_soldier_state[e] = "alert"
			end 
		end 
	elseif ai_soldier_state[e] == "go prone" then 
		if g_Entity[e]['animating'] == 0 then 
			ai_soldier_state[e] = "alert"
		end 
	end 
	if hit_in_leg[e] == 0 then 
		if string.find(string.lower(g_Entity[e]['limbhit']), "l_thigh") ~= nil or string.find(string.lower(g_Entity[e]['limbhit']), "l_foot") ~= nil then
			SetAnimationFrames(3578,3647)
			PlayAnimation(e)
			g_Entity[e]['animating'] = 5 
			walk_anim_s[e] = 3994 
			walk_anim_e[e] = 4013
			run_anim_s[e] = 3994
			run_anim_e[e] = 4013
			idle_anim_s[e] = 3818
			idle_anim_e[e] = 3818
			run_speed[e] = run_speed[e]*0.6
			walk_speed[e] = walk_speed[e]*0.6
			hit_in_leg[e] = 1 
			ResetLimbHit(e)		
			ai_soldier_state[e] = "go prone"
		elseif string.find(string.lower(g_Entity[e]['limbhit']), "r_thigh") ~= nil or string.find(string.lower(g_Entity[e]['limbhit']), "r_foot") ~= nil then
			SetAnimationFrames(3709,3779)
			PlayAnimation(e)
			g_Entity[e]['animating'] = 5 
			walk_anim_s[e] = 3994 
			walk_anim_e[e] = 4013
			run_anim_s[e] = 3994
			run_anim_e[e] = 4013
			idle_anim_s[e] = 3818
			idle_anim_e[e] = 3818
			run_speed[e] = run_speed[e]*0.6
			walk_speed[e] = walk_speed[e]*0.6
			hit_in_leg[e] = 2
			ResetLimbHit(e)
			ai_soldier_state[e] = "go prone"
		end 	
	end 	
	
	if string.find(string.lower(g_Entity[e]['limbhit']), "head") ~= nil then
		SetEntityHealth(e,0)
		ResetLimbHit(e)
	end
	
	if g_PlayerHealth < 1 then 
		ai_soldier_state[e] = "idle"
	end 
	
	if g_Entity[e]['health'] < ai_old_hp[e] and hit_in_leg[e] == 0 then 
		ai_soldier_state[e] = "hurt"
		ai_old_hp[e] = g_Entity[e]['health']*0.6
		PlayCharacterSound(e,"onHurt")
	end 
	SetRotation(e,0,AIGetEntityAngleY(AIObjNo),0)
	AISetEntityPosition(AIObjNo,GetEntityPositionX(e),GetEntityPositionY(e),GetEntityPositionZ(e))
end 

function ai_zombie_custom_exit(e)
	PlayCharacterSound(e,"onDeath")
	if hit_in_leg[e] > 0 then 
		CharacterControlLimbo(e)
		SetAnimationFrames(3913,3967)
		PlayAnimation(e)
	end 
end