JX3

from inc_noesis import *
import noesis
import rapi
import os

def registerNoesisTypes():
    '''Register the plugin. Just change the Game name and extension.'''

    handle = noesis.register("xin", ".ksw")
    noesis.setHandlerTypeCheck(handle, noepyCheckType)
    noesis.setHandlerLoadModel(handle, noepyLoadModel)
    return 1

def noepyCheckType(data):
    '''Verify that the format is supported by this plugin. Default yes'''

    if len(data) < 6:
        return 0

    return 1

def noepyLoadModel(data, mdlList):
    '''Build the model, set materials, bones, and animations. You do not
    need all of them as long as they are empty lists (they are by default)'''

    ctx = rapi.rpgCreateContext()
    parser = SanaeParser(data)
    parser.parse_file()
    mdl = rapi.rpgConstructModel()
    mdl.setModelMaterials(NoeModelMaterials(parser.texList, parser.matList))
    mdl.setBones(parser.boneList)
    mdl.setAnims(parser.animList)
    mdlList.append(mdl)
    #rapi.setPreviewOption("setAngOfs", "90 0 0")
    return 1

class SanaeParser(object):

    def __init__(self, data):

        self.inFile = NoeBitStream(data)
        self.texList = []
        self.matList = []
        self.boneList = []
        self.animList = []

    def read_ustring(self, n):

        s = bytes()
        for i in range(n):
            s += self.inFile.readBytes(1)
            self.inFile.readBytes(1)
        return noeStrFromBytes(s)

    def invert_faces(self):
        '''Negates the x-coord of all vertices in the mesh'''

        trans = NoeMat43((NoeVec3((-1, 0, 0)),
                         NoeVec3((0, 1, 0)),
                         NoeVec3((0, 0, 1)),
                         NoeVec3((0, 0, 0))))
        rapi.rpgSetTransform(trans)

    def parse_material(self, matName):

        self.inFile.read('16f')
        self.inFile.readFloat()
        self.inFile.readUShort()
        self.inFile.readShort()
        diffTex = self.read_ustring(768)
        normTex = self.read_ustring(256)
        normTex2 = self.read_ustring(256)

        texName = os.path.basename(diffTex)
        material = NoeMaterial(matName, texName)
        self.matList.append(material)

    def parse_faces(self, numIdx):

        return self.inFile.readBytes(4*numIdx)

    def parse_vertices(self, numVerts):

            vertBuff = self.inFile.readBytes(numVerts*12)
            rapi.rpgBindPositionBuffer(vertBuff, noesis.RPGEODATA_FLOAT, 12)
            self.invert_faces()

    def parse_normals(self, numVerts):

            normBuff = self.inFile.readBytes(numVerts*12)
            rapi.rpgBindNormalBuffer(normBuff, noesis.RPGEODATA_FLOAT, 12)

    def parse_uvs(self, numVerts):

            uvBuff = self.inFile.readBytes(numVerts*12)
            rapi.rpgBindUV1Buffer(uvBuff, noesis.RPGEODATA_FLOAT, 12)


    def parse_tri(self, triStripLen):

            idxBuff = self.inFile.readBytes(triStripLen*4)
            rapi.rpgCommitTriangles(idxBuff, noesis.RPGEODATA_INT, triStripLen, noesis.RPGEO_TRIANGLE_STRIP, 1)

    def parse_bone(self, boneOff):
        # seek to bone offset with absolute address
        self.inFile.seek(boneOff, NOESEEK_ABS)
        # read the number of bones
        boneCount = self.inFile.readUInt()
        # read bones loop
        for i in range(0, boneCount):
            # read bone name
            boneName = self.inFile.readBytes(30).decode('utf-8', 'ignore').replace('\x00','').replace('\xCD','')
            # read parent name of the current bone
            parentBoneName = self.inFile.readBytes(30).decode('utf-8', 'ignore').replace('\x00','').replace('\xCD','')
            # read the number of child bone
            numChildren = self.inFile.readUInt()
            # read child bone name
            for j in range(0, numChildren):
                childBoneName = self.inFile.readBytes(30).decode('utf-8', 'ignore').replace('\x00','').replace('\xCD','')
            # read 4x4 bone matrix
            boneMat = NoeMat44.fromBytes( self.inFile.readBytes(0x40), NOE_LITTLEENDIAN )
            # convert and inverse to 4x3 matrix
            boneMat43 = boneMat.toMat43().inverse()
            # read 4x4 parent bone matrix
            parentMat = NoeMat44.fromBytes( self.inFile.readBytes(0x40), NOE_LITTLEENDIAN )
            # convert and inverse to 4x3 matrix
            parentMat43 = parentMat.toMat43().inverse()
            # read the number of vertices deformed by this bone
            numVertices = self.inFile.readUInt()
            if numVertices > 0:
                vwList = []
                bidx = []
                bwgt = []
                # read vertex IDs
                for j in range(0, numVertices):
                    vertexID = self.inFile.readUInt()
                    bidx.append(vertexID)
                # read weights correspondent to vertex IDs
                for j in range(0, numVertices):
                    weight = self.inFile.readFloat()
                    bwgt.append(weight)
                vwList.append(NoeVertWeight(bidx, bwgt))

                fw = NoeFlatWeights(vwList)
                rapi.rpgBindBoneIndexBuffer(fw.flatW[:fw.weightValOfs], noesis.RPGEODATA_UINT, 4*fw.weightsPerVert, fw.weightsPerVert)
                rapi.rpgBindBoneWeightBuffer(fw.flatW[fw.weightValOfs:], noesis.RPGEODATA_FLOAT, 4*fw.weightsPerVert, fw.weightsPerVert)

            # set bones for Noesis to display
            self.boneList.append(NoeBone(i, boneName, boneMat43, parentBoneName, parentIndex = -1))


    def parse_file(self):
        '''Main parser method'''
        self.inFile.seek(140)
        numMesh, numVerts, triStripLen, unk1, vertOff, normOff, \
            unk2, UVOff, unk3, unk4, triSTripOff, unk5, boneOff = self.inFile.read('13L')
        self.inFile.seek(vertOff)
        self.parse_vertices(numVerts)
        self.inFile.read('1L')
        self.parse_normals(numVerts)
        self.inFile.read('1L')
        self.parse_uvs(numVerts)
        self.inFile.seek(triSTripOff)
        numIdx = triStripLen *3
        idxBuff = self.parse_faces(numIdx)
        rapi.rpgCommitTriangles(idxBuff, noesis.RPGEODATA_INT, numIdx, noesis.RPGEO_TRIANGLE, 1)
        self.parse_bone(boneOff)