-- LUA Script - Body by Dvader
local U = require "scriptbank\\utillib"

local body = {}
local ceil = math.ceil
local sqrt = math.sqrt
local rad  = math.rad 

function body_init( e )
	Include( "utillib.lua" )

	CollisionOff( e )
	
	body[ e ] =
		{ state = 'init', camdist = 0,
		  oldx = g_PlayerPosX, oldz = g_PlayerPosZ }
end

local maxwalkdist = 0

function body_main(e)
	local b = body[ e ]
	
	if b == nil then return end
	
	if b.state == 'init' then
		CollisionOff( e )
		GravityOff  ( e )
		Scale       ( e, 50 )
		b.state = 'idle'
	end
	
	local Ent = g_Entity[ e ]
	
	local PDX = b.oldx - g_PlayerPosX
	local PDY = Ent.y  - g_PlayerPosY
	local PDZ = b.oldz - g_PlayerPosZ
	
	local WalkDist = ceil( sqrt( PDX*PDX + PDZ*PDZ ) ) 

	if WalkDist < 5 and WalkDist > 0 and
	   b.state ~= 'walking' then
		b.state = 'walk'
		
	elseif WalkDist >= 5 and b.state ~= 'running'  then
		b.state = 'run'
	
	elseif WalkDist == 0 and b.state ~= 'idle' then
		b.state = 'idle'
		SetAnimation( 0 )
		LoopAnimation( e )
		b.camdist = -12
	end

	b.oldx = g_PlayerPosX
	b.oldz = g_PlayerPosZ

	if b.state == 'walk' then
		SetAnimation( 1 )
		LoopAnimation( e )
		b.state = 'walking'
		b.camdist = -12

	elseif b.state == 'run' then
		SetAnimation( 3 )
		LoopAnimation( e )
		b.state = 'running'
		b.camdist = -18
	end
	
	local xo, yo, zo = U.Rotate3D( 0, 0, b.camdist, 0, rad( g_PlayerAngY ), 0 )
	
	local bodyx, bodyz = b.oldx + xo, b.oldz + zo
	local bodyy = g_PlayerPosY - 63

	SetPosition( e, bodyx, bodyy, bodyz )

	SetRotation( e, 0, g_PlayerAngY, 0 )
end