#
#
# Author:: Mark Harrison-Ball <Mark.Harrison-Ball@rockstargames.com>
# Date:: 20 Februray 2013 (AP3)
# Purpose:
#			~ Class to read and compare anim data


path = File.expand_path $0
path = File.dirname(path)
require "#{path}/../../Global/anim/animCompare.rb"
require "#{path}/../../Global/anim/animReader.rb"
require "#{path}/../../Global/anim/animDump.rb"
require "#{path}/../../Global/anim/clipDump.rb"
require "#{path}/../../Global/anim/clipReader.rb"
require "#{path}/../../Global/array/arrayUtils.rb"

# need to sort out this!!!
require 'X:/gta5/tools/lib/pipeline/util/string'

class CutsceneCameraPairDef
	attr_reader :translation
	attr_reader :rotation
	attr_reader :fov
	attr_reader :blockTags
	
	# We hold the differences in a new array so we can see what has changed
	def initialize(pInputA, pInputB, clipInput)
		
		@translation = [] # float
		@rotation = [] # flaot
		@fov = [] # int
		@blockTags = [] # 
		
		#private
		
		@tracksA = pInputA	# Previous Track
		
		@tracksB = pInputB 	# New Track
		@clipInfo = clipInput
		@arrayUtils = ArrayUtils.new()
		compare()
		
	end
	
	public
	
	# Test is comapre track has any changes
	def hasChanged()
		result = false
		if TranslationChanged() then 
			result = true
		end
		if RotationChanged() then 
			result = true
		end
		if FovChanged() then 
			result = true
		end
		return result
	end
	
	
	# Properties
	
	# Direction Comparrision Test
	# Transaltion changed
	def TranslationChanged()
		return (@translation.min != @translation.max)
	end
	
	# Roataiton changed
	def RotationChanged()
		return (@rotation.min != @rotation.max)
	end
	
	# FOV changed
	def FovChanged()
		return (@fov.min != @fov.max)
	end
	
	# Range Difference Tests
	# TODO: Set range tests, for x,y,z 
	#
	# Return Translation Difference
	def TranslationDiff()	
		return ( @arrayUtils.retMax(@translation) - @arrayUtils.retMin(@translation))
	end
	
	# Return Rotation Difference
	def RotationDiff()
		return ( @arrayUtils.retMax(@rotation) - @arrayUtils.retMin(@rotation))		
	end
	
	# Return Fov Difference
	def FovDiff()
		return ( @arrayUtils.retMax(@fov) - @arrayUtils.retMin(@fov))	
		
	end
	
	
	# build Clip Tag Liast
	def intClipTagsList()
		@clipInfo.each do |tag|			
			if tag.name == "'Block'" then				
				newTag = Array.new()
				newTag << tag.tagstart
				newTag << tag.tagend
				@blockTags << newTag
				
			end

		end
		#print @blockTags
	end
	
	def compare()
		puts("comparing Tracks")
		# get smallest and comapre agaist biggest : TODO
		# We will round down
		(0..@tracksA.size-1).each { |i|
			#puts @tracksA[i].trackname
			if @tracksA[i].trackname == 'cameraTranslation' then
				#puts("comparing cameraTranslation")
				#puts
				#puts
				#print @tracksA[i].trackData
				#puts
				#print @tracksB[i].trackData
				@translation = returnTrackDifs( @tracksA[i].trackData, @tracksB[i].trackData)
				#print @translation
				
			elsif @tracksA[i].trackname == 'cameraRotation' then
				#puts("comparing cameraRotation")
				#puts
				@rotation = returnTrackDifs( @tracksA[i].trackData, @tracksB[i].trackData)
			
			elsif @tracksA[i].trackname == 'cameraFOV' then
				#puts("comparing cameraFOV")
				#puts
				@fov = returnTrackDifs( @tracksA[i].trackData, @tracksB[i].trackData)
			end
		}
		
		intClipTagsList()
		 			
	end
	
	private	
		def returnTrackDifs(trackDataA, trackDataB)
			#puts "trackDataA = #{trackDataA.size}"
			#puts "trackDataB = #{trackDataB.size}"
			trackdifs = Array.new()
		
			isVector = false
			isValidtrans = false
			
			if trackDataA[0].class == Array then
				isVector = true
				# Test is we are comparing quantaeetion to Euler (BAD)
				if trackDataA[0].size == trackDataB[0].size
					isValidtrans = true
				end
			end
			
			#puts "isValidtrans = #{isValidtrans}"

			
			# Loop through the main track
			(0..trackDataA.size-1).each { |i|				
				
				if isVector then	# if its a float array
					# Test if we are comparing the Same number in our subawway Roataions (we shoudl nto need to do this)
					#puts "#{trackDataA[i].size} == #{trackDataB[i].size}"
					
					if isValidtrans == true then
						
						w = Array.new()
						(0..trackDataA[i].size-1).each { |n|
						
							# Test if we still have a valid track to test against
							trackB = 0.0
							if trackDataB[i] != nil
								trackB =trackDataB[i][n]
									
							end
							
							dif = retFloat(validate(trackDataA[i][n]) - validate(trackB))
							#print dif, ":"
							if dif == -0.0 then
								dif = 0.0
							end
							
							w << dif
						}
						trackdifs << w					
					else						
						trackdifs << [0,0,0]						
					end
				else

					w = retFloat(validate(trackDataA[i]) - validate(trackDataB[i]))					
					if w == -0.0 then
						w = 0.0
					end
					trackdifs << w # else its a int array					
				end
			}
			return trackdifs

		end
		
		def validate(fValue)
			result = 0.0
			if fValue != nil then			
				result = fValue
			end
			return result
		end
		# Retrun float to defined percesion
		def retFloat(fValue)
			# floating percextion
			#percesion = 1000.0			
			#return ((fValue*100).round / 100.0)
			#return (('%.2f' % fValue).to_f)
			
			# Test with one decimal place as it will be noticeable camera change
			return (('%.1f' % fValue).to_f)
			#return fValue.to_f
		end
end


# Class to read in and create a track class object
class CutsceneAnimCompare
	def initialize(config, log, p4)	
		@p4 = p4
		@animDump = AnimDump.new(config, log)
		@animReader = AnimReader.new(config, log)
		@clipDump = ClipDump.new(config, log)
		@clipReader = ClipReader.new(config, log)
	end
	
	public
	# animfile input
	# No extension
	def compare(animname)
		trackArrayA = nil
		trackArrayB = nil
		clipInfo = nil
		cutCameraPairDef = nil
		
		animfile = animname+'.anim'
		clipfile = animname+'.clip'
		
		
			
		revIndex = @p4.get_file_info(animfile, 'headRev')
	if revIndex.to_i > 1 then
		args = '#'+(revIndex.to_i-1).to_s
		
		# Sync to previous revison of anim file
		@p4.sync(animfile, args)	
		trackArrayA = parseAnim(animfile)
		
		# Sync to head revison of anim file
		@p4.sync(animname+'.*')
		trackArrayB = parseAnim(animfile)
		
		# Collect the Clip Info
		clipInfo = parseClip(clipfile) 
		
		# compare both anim tracks
		cutCameraPairDef = CutsceneCameraPairDef.new(trackArrayA, trackArrayB, clipInfo)

	end
	return cutCameraPairDef
	
end

	private
		def parseAnim(animfile)
			# extract the export camera anim file
			@animDump.dump(animfile)
			# read the contents	and return
			return @animReader.parse(animfile+".txt")		
		end
		
		def parseClip(clipfile)
			@clipDump.dump(clipfile)
			# read the contents	and return
			return @clipReader.parse(clipfile+".txt")
		end
		
end