-- LUA Script - precede every function and global member with lowercase name of script

g_floating_platform_activated = {}
g_floating_platform_associateplayer = {}

function floating_platform_init(e)
 ai_soldier_state[e] = "patrol";
 ai_soldier_pathindex[e] = -1;
end

function floating_platform_main(e)

 if ai_soldier_state[e] == "patrol" then
  if ai_soldier_pathindex[e] == -1 then
   ai_soldier_pathindex[e] = -2
   PathIndex = -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;
     end
    end
   end
   
   if PathIndex > -1 then
    ai_soldier_pathindex[e] = PathIndex;
	ai_path_point_index[e] = 2
	ai_path_point_direction[e] = 1
	ai_path_point_max[e] = AIGetPathCountPoints(ai_soldier_pathindex[e])
   end   
  end
  
  PlayerDist = GetPlayerDistance(e)
  
  --Prompt(round(PlayerDist))
  
  if ai_path_point_direction[e] == 1 and PlayerDist < 80 and g_PlayerHealth > 0 then
   g_floating_platform_activated[e] = 1
   g_floating_platform_associateplayer[e] = 1
  end
  
  if g_floating_platform_activated[e] == 1 and ai_soldier_pathindex[e] > -1 then 
  
   -- move to current node
   ai_patrol_x[e] = AIPathGetPointX(ai_soldier_pathindex[e],ai_path_point_index[e])
   ai_patrol_y[e] = AIPathGetPointY(ai_soldier_pathindex[e],ai_path_point_index[e])
   ai_patrol_z[e] = AIPathGetPointZ(ai_soldier_pathindex[e],ai_path_point_index[e])
   
   
   EntObjNo = g_Entity[e]['obj'];
   AIEntityGoToPosition(EntObjNo,ai_patrol_x[e],ai_patrol_z[e])
   
   tDistX = g_Entity[e]['x'] - ai_patrol_x[e]
   tDistY = g_Entity[e]['y'] - ai_patrol_y[e]
   tDistZ = g_Entity[e]['z'] - ai_patrol_z[e]
   
   
   DistFromPath = math.sqrt(math.abs(tDistX*tDistX)+math.abs(tDistY*tDistY)+math.abs(tDistZ*tDistZ))	
   tIncX = tDistX / DistFromPath
   tIncY = tDistY / DistFromPath
   tIncZ = tDistZ / DistFromPath
   
   
   
   tNewX = g_Entity[e]['x'] - (tIncX*5.25)
   tNewY = g_Entity[e]['y'] - (tIncY*6.75)
   tNewZ = g_Entity[e]['z'] - (tIncZ*5.25)
   
   
   
   -- Associate Player with this moving entity platform
   ResetPosition ( e, tNewX, tNewY, tNewZ )
   if g_floating_platform_associateplayer[e] == 1 then
    SetFreezePosition ( tNewX, tNewY+40, tNewZ )
    TransportToFreezePositionOnly()
   end
   -- When reach node, decide where to go next   
   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] ) or g_KeyPressSPACE == 1 then
	  ai_path_point_index[e] = ai_path_point_max[e] -1
	  ai_path_point_direction[e] = 0
	  g_floating_platform_associateplayer[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
 end
end

function round(num, idp)
  local mult = 10^(idp or 0)
  return math.floor(num * mult + 0.5) / mult
end