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spBinaryWriter.py
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spBinaryWriter.py
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import struct
from spUtils import *
class spBinaryWriter():
def __init__( self ):
self.m_byteArray = bytearray()
def writeByte( self, value ):
self.m_byteArray.extend( value.to_bytes( 1, byteorder="big" ) )
def writeBoolean( self, value ):
self.m_byteArray.extend( int( value ).to_bytes( 1, byteorder="big" ) )
def writeInt( self, value ):
bval = struct.pack( '>i', value ) # big-order and signed int
self.m_byteArray.extend( bval )
def writeShort( self, value ):
bval = struct.pack(">h", value ) # big-order and short
self.writeByte( bval[0] )
self.writeByte( bval[1] )
def writeShorts( self, values ):
self.writeVarInt( len( values ) )
for i in range( 0, len( values ) ):
self.writeShort( values[i] )
def writeFloat( self, value ):
value = struct.pack( '>f', value )
self.m_byteArray.extend( value )
def writeFloats( self, values ):
self.writeVarInt( len( values ) )
for i in range( 0, len( values ) ):
self.writeFloat( values[i] )
def writeVarInt( self, value ):
byteArray = bytearray()
while ( True ):
byte = value & 0x7f
value = value >> 7
if ( value ):
self.writeByte( byte | 0x80 )
else:
self.writeByte( byte )
break
def writeString( self, text ):
if ( text == None ):
self.writeVarInt( 0 )
else:
length = len( text )
self.writeVarInt( length + 1 ) # for '\0' which .skel files don't have anyway...
for i in range( 0, length ):
self.writeByte( ord( text[i] ) )
def writeColor( self, dictWithColor ):
self.writeByte( int( dictWithColor["r"] * 255 ) )
self.writeByte( int( dictWithColor["g"] * 255 ) )
self.writeByte( int( dictWithColor["b"] * 255 ) )
self.writeByte( int( dictWithColor["a"] * 255 ) )
def writeCurve( self, frame ):
self.writeByte( frame["curve_type"] )
if ( frame["curve_type"] == SP_CURVE_BEZIER ):
self.writeFloat( frame["curves"][0] )
self.writeFloat( frame["curves"][1] )
self.writeFloat( frame["curves"][2] )
self.writeFloat( frame["curves"][3] )
def writeAnimation( self, animation, skeletonData ):
# Slot timelines
self.writeVarInt( len( animation["slots"] ) )
for i in range( 0, len( animation["slots"] ) ):
self.writeVarInt( animation["slots"][i]["slotIndex"] )
self.writeVarInt( len( animation["slots"][i]["timelines"] ) )
for j in range( 0, len( animation["slots"][i]["timelines"] ) ):
timeline = animation["slots"][i]["timelines"][j]
self.writeByte( timeline["type"] )
self.writeVarInt( len( timeline["frames"] ) )
if ( timeline["type"] == SP_TIMELINE_COLOR ):
for frameIndex in range( 0, len( timeline["frames"] ) ):
self.writeFloat( timeline["frames"][frameIndex]["time"] )
self.writeColor( timeline["frames"][frameIndex] )
if ( frameIndex < ( len( timeline["frames"] ) - 1 ) ):
self.writeCurve( timeline["frames"][frameIndex] )
elif ( timeline["type"] == SP_TIMELINE_ATTACHMENT ):
for frameIndex in range( 0, len( timeline["frames"] ) ):
self.writeFloat( timeline["frames"][frameIndex]["time"] )
self.writeString( timeline["frames"][frameIndex]["attachment_name"] )
else:
print( "UNKNOWN TIMELINE BW" )
# Bone timelines
self.writeVarInt( len( animation["bones"] ) )
for i in range( 0, len( animation["bones"] ) ):
self.writeVarInt( animation["bones"][i]["boneIndex"] )
self.writeVarInt( len( animation["bones"][i]["timelines"] ) )
for j in range( 0, len( animation["bones"][i]["timelines"] ) ):
timeline = animation["bones"][i]["timelines"][j]
self.writeByte( timeline["type"] )
self.writeVarInt( len( timeline["frames"] ) )
if ( timeline["type"] == SP_TIMELINE_ROTATE ):
for frameIndex in range( 0, len( timeline["frames"] ) ):
self.writeFloat( timeline["frames"][frameIndex]["time"] )
self.writeFloat( timeline["frames"][frameIndex]["angle"] )
if ( frameIndex < ( len( timeline["frames"] ) - 1 ) ):
self.writeCurve( timeline["frames"][frameIndex] )
elif ( ( timeline["type"] == SP_TIMELINE_TRANSLATE ) or ( timeline["type"] == SP_TIMELINE_SCALE ) ):
for frameIndex in range( 0, len( timeline["frames"] ) ):
self.writeFloat( timeline["frames"][frameIndex]["time"] )
self.writeFloat( timeline["frames"][frameIndex]["x"] )
self.writeFloat( timeline["frames"][frameIndex]["y"] )
if ( frameIndex < ( len( timeline["frames"] ) - 1 ) ):
self.writeCurve( timeline["frames"][frameIndex] )
elif ( ( timeline["type"] == SP_TIMELINE_FLIPX ) or ( timeline["type"] == SP_TIMELINE_FLIPY ) ):
for frameIndex in range( 0, len( timeline["frames"] ) ):
self.writeFloat( timeline["frames"][frameIndex]["time"] )
self.writeBoolean( timeline["frames"][frameIndex]["flip"] )
else:
print( "another timeline type" )
# ik timelines
self.writeVarInt( len( animation["ik"] ) )
for i in range( 0, len( animation["ik"] ) ):
self.writeVarInt( animation["ik"][i]["ikConstraintIndex"] )
self.writeVarInt( len( animation["ik"][i]["frames"] ) )
for frameIndex in range( 0, len( animation["ik"][i]["frames"] ) ):
frame = animation["ik"][i]["frames"][frameIndex]
self.writeFloat( frame["time"] )
self.writeFloat( frame["mix"] )
if ( frame["bendPositive"] != 1 ):
self.writeByte( 255 )
else:
self.writeByte( frame["bendPositive"] )
if ( frameIndex < ( len( animation["ik"][i]["frames"] ) - 1 ) ):
self.writeCurve( frame )
# FFD timelines
self.writeVarInt( len( animation["ffd"] ) )
for i in range( 0, len( animation["ffd"] ) ):
self.writeVarInt( animation["ffd"][i]["skinIndex"] )
self.writeVarInt( len( animation["ffd"][i]["slots"] ) )
for j in range( 0, len( animation["ffd"][i]["slots"] ) ):
self.writeVarInt( animation["ffd"][i]["slots"][j]["slotIndex"] )
self.writeVarInt( len( animation["ffd"][i]["slots"][j]["timelines"] ) )
for k in range( 0, len( animation["ffd"][i]["slots"][j]["timelines"] ) ):
timeline = animation["ffd"][i]["slots"][j]["timelines"][k]
self.writeString( timeline["attachmentName"] )
self.writeVarInt( len( timeline["frames"] ) )
for frameIndex in range( 0, len( timeline["frames"] ) ):
self.writeFloat( timeline["frames"][frameIndex]["time"] )
self.writeVarInt( timeline["frames"][frameIndex]["end"] )
if ( timeline["frames"][frameIndex]["end"] > 0 ):
self.writeVarInt( timeline["frames"][frameIndex]["start"] )
for m in range( 0, len( timeline["frames"][frameIndex]["frameVertices"] ) ):
self.writeFloat( timeline["frames"][frameIndex]["frameVertices"][m] )
if ( frameIndex < ( len( timeline["frames"] ) - 1 ) ):
self.writeCurve( timeline["frames"][frameIndex] )
# Draw order timeline
self.writeVarInt( len( animation["drawOrder"] ) )
for frameIndex in range( 0, len( animation["drawOrder"] ) ):
frame = animation["drawOrder"][frameIndex]
self.writeVarInt( len( frame["offsets"] ) )
for i in range( 0, len( frame["offsets"] ) ):
self.writeVarInt( frame["offsets"][i]["slotIndex"] )
self.writeVarInt( frame["offsets"][i]["amount"] )
self.writeFloat( frame["time"] )
# Event timeline
self.writeVarInt( len( animation["events"] ) )
for frameIndex in range( 0, len( animation["events"] ) ):
event = animation["events"][frameIndex]["event"]
self.writeFloat( animation["events"][frameIndex]["time"] )
self.writeVarInt( event["eventIndex"] )
self.writeVarInt( event["intValue"] )
self.writeFloat( event["floatValue"] )
boolValue = False
if ( event["stringValue"] != skeletonData["events"][ event["eventIndex"] ]["stringValue"] ):
boolValue = True
self.writeBoolean( boolValue )
if ( boolValue ):
self.writeString( event["stringValue"] )
def writeAttachment( self, attachment, nonessential ):
placeholderName = attachment["placeholderName"]
attachmentName = attachment["attachmentName"]
self.writeString( attachmentName )
self.writeByte( attachment["attachmentType"] )
if ( attachment["attachmentType"] == SP_ATTACHMENT_REGION ):
path = attachment["path"]
self.writeString( path )
self.writeFloat( attachment["x"] )
self.writeFloat( attachment["y"] )
self.writeFloat( attachment["scaleX"] )
self.writeFloat( attachment["scaleY"] )
self.writeFloat( attachment["rotation"] )
self.writeFloat( attachment["width"] )
self.writeFloat( attachment["height"] )
self.writeColor( attachment )
elif ( attachment["attachmentType"] == SP_ATTACHMENT_BOUNDING_BOX ):
self.writeFloats( flattenVertexList( attachment["vertices"] ) )
elif ( attachment["attachmentType"] == SP_ATTACHMENT_MESH ):
path = attachment["path"]
self.writeString( path )
mesh = attachment
self.writeFloats( flattenVertexList( mesh["regionUVs"] ) )
self.writeShorts( mesh["triangles"] )
self.writeFloats( flattenVertexList( mesh["vertices"] ) )
self.writeColor( mesh )
self.writeVarInt( mesh["hullLength"] )
if ( nonessential ):
self.writeVarInt( len( mesh["edges"] ) )
for i in range( 0, len( mesh["edges"] ) ):
self.writeVarInt( mesh["edges"][i] )
self.writeFloat( mesh["width"] )
self.writeFloat( mesh["height"] )
elif ( attachment["attachmentType"] == SP_ATTACHMENT_SKINNED_MESH ):
path = attachment["path"]
self.writeString( path )
mesh = attachment
self.writeFloats( flattenVertexList( mesh["regionUVs"] ) )
self.writeShorts( mesh["triangles"] )
verticesData = list()
for i in range( 0, len( mesh["vertices"] ) ):
verticesData.append( float( len( mesh["vertices"][i]["bones"] ) ) )
for j in range( 0, len( mesh["vertices"][i]["bones"] ) ):
verticesData.append( float( mesh["vertices"][i]["bones"][j]["boneIndex"] ) )
verticesData.append( mesh["vertices"][i]["bones"][j]["x"] )
verticesData.append( mesh["vertices"][i]["bones"][j]["y"] )
verticesData.append( mesh["vertices"][i]["bones"][j]["weight"] )
self.writeVarInt( len( verticesData ) )
for i in range( 0, len( verticesData ) ):
self.writeFloat( verticesData[i] )
self.writeColor( mesh )
self.writeVarInt( mesh["hullLength"] )
if ( nonessential ):
self.writeVarInt( len( mesh["edges"] ) )
for i in range( 0, len( mesh["edges"] ) ):
self.writeVarInt( mesh["edges"][i] )
self.writeFloat( mesh["width"] )
self.writeFloat( mesh["height"] )
def writeSkin( self, skin, nonessential ):
self.writeVarInt( len( skin["slots"] ) )
for i in range( 0, len( skin["slots"] ) ):
self.writeVarInt( skin["slots"][i]["slotIndex"] )
self.writeVarInt( len( skin["slots"][i]["attachments"] ) )
for j in range( 0, len( skin["slots"][i]["attachments"] ) ):
self.writeString( skin["slots"][i]["attachments"][j]["placeholderName"] )
self.writeAttachment( skin["slots"][i]["attachments"][j], nonessential )
def writeSkeletonDataFile( self, skeletonData, path ):
self.m_byteArray = bytearray()
self.writeString( skeletonData["hash"] )
self.writeString( skeletonData["version"] )
self.writeFloat( skeletonData["width"] )
self.writeFloat( skeletonData["height"] )
self.writeBoolean( skeletonData["nonessential"] )
if ( skeletonData["nonessential"] ):
# string images: The images path, as it was in Spine. Nonessential.
#print( "binary write: nonessential == True" )
self.writeString( skeletonData["images"] )
# Bones
self.writeVarInt( len( skeletonData["bones"] ) )
for i in range( 0, len( skeletonData["bones"] ) ):
self.writeString( skeletonData["bones"][i]["name"] )
self.writeVarInt( skeletonData["bones"][i]["parent"] + 1 )
self.writeFloat( skeletonData["bones"][i]["x"] )
self.writeFloat( skeletonData["bones"][i]["y"] )
self.writeFloat( skeletonData["bones"][i]["scaleX"] )
self.writeFloat( skeletonData["bones"][i]["scaleY"] )
self.writeFloat( skeletonData["bones"][i]["rotation"] )
self.writeFloat( skeletonData["bones"][i]["length"] )
self.writeBoolean( bool( skeletonData["bones"][i]["flipX"] ) )
self.writeBoolean( bool( skeletonData["bones"][i]["flipY"] ) )
self.writeBoolean( bool( skeletonData["bones"][i]["inheritScale"] ) )
self.writeBoolean( bool( skeletonData["bones"][i]["inheritRotation"] ) )
if ( skeletonData["nonessential"] ):
self.writeColor( skeletonData["bones"][i] )
# ik
self.writeVarInt( len( skeletonData["ikConstraints"] ) )
for i in range( 0, len( skeletonData["ikConstraints"] ) ):
self.writeString( skeletonData["ikConstraints"][i]["name"] )
self.writeVarInt( len( skeletonData["ikConstraints"][i]["bones"] ) )
for n in range( 0, len( skeletonData["ikConstraints"][i]["bones"] ) ):
self.writeVarInt( skeletonData["ikConstraints"][i]["bones"][n] )
self.writeVarInt( skeletonData["ikConstraints"][i]["target"] )
self.writeFloat( skeletonData["ikConstraints"][i]["mix"] )
if ( skeletonData["ikConstraints"][i]["bendDirection"] == -1 ):
self.writeByte( 255 )
else:
self.writeByte( skeletonData["ikConstraints"][i]["bendDirection"] )
# Slots
self.writeVarInt( len( skeletonData["slots"] ) )
if ( len( skeletonData["slots"] ) > 0 ):
for i in range( 0, len( skeletonData["slots"] ) ):
self.writeString( skeletonData["slots"][i]["name"] )
self.writeVarInt( skeletonData["slots"][i]["boneData"] )
self.writeColor( skeletonData["slots"][i] )
self.writeString( skeletonData["slots"][i]["attachmentName"] )
self.writeByte( skeletonData["slots"][i]["additiveBlending"] )
# Default skin
self.writeSkin( skeletonData["skins"][0], skeletonData["nonessential"] )
# User skin count
size = len( skeletonData["skins"] ) - 1
self.writeVarInt( size ) # default one doesn't count
# Skins
if ( size > 0 ):
for i in range( i, len( skeletonData["skins"] ) ):
self.writeString( skeletonData["skins"][i]["name"] )
self.writeSkin( skeletonData["skins"][i], skeletonData["nonessential"] )
# Events
self.writeVarInt( len( skeletonData["events"] ) )
if ( len( skeletonData["events"] ) > 0 ):
for i in range( 0, len( skeletonData["events"] ) ):
self.writeString( skeletonData["events"][i]["name"] )
self.writeVarInt( skeletonData["events"][i]["intValue"] )
self.writeFloat( skeletonData["events"][i]["floatValue"] )
self.writeString( skeletonData["events"][i]["stringValue"] )
# Animations
self.writeVarInt( len( skeletonData["animations"] ) )
for i in range( 0, len( skeletonData["animations"] ) ):
self.writeString( skeletonData["animations"][i]["name"] )
self.writeAnimation( skeletonData["animations"][i], skeletonData )
file = open( path, 'wb' )
file.write( self.m_byteArray )
file.close()