'''Noesis import plugin. Written by Tsukihime'''

from inc_noesis import *
import noesis
import rapi
import os

'''
MODE CONFIGURATION
0 = single model
1 = all models
'''
MODE = 1

def registerNoesisTypes():
    '''Register the plugin. Just change the Game name and extension.'''
    
    handle = noesis.register("With Your Destiny", ".msh")
    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) < 4:
        return 0
    bs = NoeBitStream(data)
    try:
        idstring = bs.readUInt()
        if idstring != 0:
            return 0
        return 1
    except:
        return 0

def load_all_models(mdlList):
    '''Load all models'''

    #carry over from previous models
    matList = []
    texList = []

    dirPath = rapi.getDirForFilePath(rapi.getInputName())
    fileList = [file for file in os.listdir(dirPath) if file.lower().endswith(".msh")]
    for file in fileList:
        f = open(dirPath + file, 'rb')
        data2 = f.read()
        parser = SanaeParser(data2)
        parser.parse_file()
        matList.extend(parser.matList)
        texList.extend(parser.texList)
        mdl = rapi.rpgConstructModel()
    mdl.setModelMaterials(NoeModelMaterials(texList, matList))
    mdlList.append(mdl)    
    
def load_single_model(data, mdlList):
    '''Loads a single model. For testing purposes'''
    
    parser = SanaeParser(data)
    parser.parse_file()
    mdl = rapi.rpgConstructModel()
    mdl.setModelMaterials(NoeModelMaterials(parser.texList, parser.matList))
    mdlList.append(mdl)       

def noepyLoadModel(data, mdlList):
    '''Load the model'''
    
    ctx = rapi.rpgCreateContext()
    if MODE == 1:
        load_all_models(mdlList)
    else:
        load_single_model(data, mdlList)
    return 1

class SanaeParser(object):
    
    def __init__(self, data):    
        '''Initialize some data. Refer to Sanae.py to see what is already
        initialized'''
        
        self.inFile = NoeBitStream(data)
        self.animList = []
        self.texList = []
        self.matList = []
        self.boneList = []        
        
    def build_mesh(self, idxBuff, numIdx):
                
        matName = self.matList[0].name
        rapi.rpgSetMaterial(matName)
        rapi.rpgCommitTriangles(idxBuff, noesis.RPGEODATA_USHORT, numIdx, noesis.RPGEO_TRIANGLE, 1)
        
    def parse_vertices(self, numVerts, vertSize):
        
        if vertSize == 32:
            vertBuff = self.inFile.readBytes(numVerts*32)
            rapi.rpgBindPositionBufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 32, 0)
            rapi.rpgBindNormalBufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 32, 12)
            rapi.rpgBindUV1BufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 32, 24)
        elif vertSize == 36:
            vertBuff = self.inFile.readBytes(numVerts*36)
            rapi.rpgBindPositionBufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 36, 0)
            rapi.rpgBindNormalBufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 36, 16)
            rapi.rpgBindUV1BufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 36, 28)
        elif vertSize == 40:
            vertBuff = self.inFile.readBytes(numVerts*40)
            rapi.rpgBindPositionBufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 40, 0)
            rapi.rpgBindNormalBufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 40, 20)
            rapi.rpgBindUV1BufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 40, 32)
        elif vertSize == 44:
            vertBuff = self.inFile.readBytes(numVerts*44)
            rapi.rpgBindPositionBufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 44, 0)
            rapi.rpgBindNormalBufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 44, 24)
            rapi.rpgBindUV1BufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 44, 36)
        elif vertSize == 48:
            vertBuff = self.inFile.readBytes(numVerts*48)
            rapi.rpgBindPositionBufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 48, 0)
            rapi.rpgBindNormalBufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 48, 28)
            rapi.rpgBindUV1BufferOfs(vertBuff, noesis.RPGEODATA_FLOAT, 48, 40)        
        else:
            print("unknown vertsize: ", vertSize)
        rapi.rpgCommitTriangles(None, noesis.RPGEODATA_USHORT, numVerts, noesis.RPGEO_POINTS, 1)
        
    def parse_faces(self, numIdx):
        
        return self.inFile.readBytes(numIdx * 2)
        
    def parse_bones(self, numBones):
        
        for i in range(numBones):
            self.inFile.read('16f')
        
        self.inFile.read('%dL' %numBones)
        
    def parse_material(self):
        '''Assume texName is the same as the input name'''
        
        matName = rapi.getLocalFileName(rapi.getInputName()).split('.')[0]
        texName = matName + ".wys"
        material = NoeMaterial(matName, texName)
        material.setDefaultBlend(0)
        self.matList.append(material)
        
    def parse_file(self):
        '''Main parser method'''
        
        unk, unk2, unk3, vertSize = self.inFile.read('4L')
        unk4, numBones, numVerts, numIdx = self.inFile.read('4L')
        
        self.parse_bones(numBones)
        self.parse_vertices(numVerts, vertSize)
        idxBuff = self.parse_faces(numIdx)
        
        self.parse_material()
        self.build_mesh(idxBuff, numIdx)