--script by smallg
local state = {}
local health = {}
local hide_delay = {}
local hidden = {}
local patrol = {}
local forget_time = {}
function stealth_warrior_init(e)
ai_soldier_pathindex[e] = -1
state[e] = "patrol"
hidden[e] = 0
end


function stealth_warrior_main(e)
EntObjNo = g_Entity[e]['obj']
if health[e] == nil then
health[e] = g_Entity[e]['health']
end
if state[e] == "patrol" then
CharacterControlUnarmed(e)
ModulateSpeed(e,1.0)
SetCharacterToWalk(e)
Show(e)
StopParticleEmitter(e)
patrol[e] = 0
forget_time[e] = math.random(1000,2000)
 hide_delay[e] = GetTimer(e) + math.random(500,1000)
  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 < 500 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   
  end
  if 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(EntObjNo,ai_patrol_x[e],ai_patrol_z[e])
   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
  end
  if g_Entity[e]['health'] < health[e] or AIGetEntityHeardSound(EntObjNo) == 1 or g_Entity[e]['plrvisible'] == 1 then
  state[e] = "alert"
  end
 elseif state[e] == "alert" then
 SetCharacterToRun(e)
 CharacterControlArmed(e)
 health[e] = g_Entity[e]['health']
 if g_Entity[e]['plrvisible'] == 0 then
 patrol[e] = patrol[e] + 1
 else
 patrol[e] = 0
 end
 if patrol[e] > forget_time[e] then
 state[e] = "patrol"
 --ai_soldier_pathindex[e] = -1
 end
 AIEntityGoToPosition(EntObjNo,g_PlayerPosX,g_PlayerPosZ)
 if GetTimer(e) > hide_delay[e] then
 if hidden[e] == 0 then
 if g_Entity[e]['health'] > 50 then
 hide_delay[e] = GetTimer(e) + math.random(250,750)
 hidden[e] = 1
 Hide(e)
 StartParticleEmitter(e)
 end
 else
 hide_delay[e] = GetTimer(e) + math.random(500,1000)
 hidden[e] = 0
 Show(e)
 StopParticleEmitter(e)
 end
 end
 if g_Entity[e]['plrvisible'] == 1 then
 state[e] = "attack"
 end
 
 elseif state[e] == "attack" then
 if g_Entity[e]['plrvisible'] == 0 then
 state[e] = "alert"
 Show(e)
 StopParticleEmitter(e)
 hidden[e] = 0
 end
 AIEntityStop(e)
 AIEntityGoToPosition(EntObjNo,g_PlayerPosX+math.random(-1000,1000),g_PlayerPosZ+math.random(-1000,1000))
 LookAtPlayer(e)
 if hidden[e] == 0 then
  FireWeapon(e)
  end
 if GetTimer(e) > hide_delay[e] then
 if hidden[e] == 0 then
 if g_Entity[e]['health'] > 30 then
 hide_delay[e] = GetTimer(e) + math.random(250,750)
 hidden[e] = 1
 Hide(e)
 StartParticleEmitter(e)
 end
 else
 hide_delay[e] = GetTimer(e) + math.random(500,1000)
 hidden[e] = 0
 Show(e)
 StopParticleEmitter(e)
 end
 end
 end --state

 if g_Entity[e]['health'] < 30 then
 Show(e)
 StopParticleEmitter(e)
 end
 
end --main


function stealth_warrior_exit(e)
Show(e)
end