def initialize(self):
logger.info("initialize " + self.__class__.__name__)
# collect shader files
for filename in glob.glob(os.path.join(PathShaders, '*.*')):
try:
shaderFile = os.path.split(filename)[1]
shaderName, ext = os.path.splitext(shaderFile)
# open shader file
f = open(filename, 'r')
shaderSource = f.read()
f.close()
# create shader
if ext == '.vs':
shader = VertexShader(shaderName, shaderSource)
self.vertexShaders[shaderName] = shader
elif ext == '.fs':
shader = FragmentShader(shaderName, shaderSource)
self.fragmentShader[shaderName] = shader
else:
logger.warn("Shader error : %s is invalid shader. Shader file extension must be one of '.vs', '.ps', '.cs'..." % filename)
continue
# regist shader
self.shaders.append(shader)
except:
logger.error(traceback.format_exc())
def LoadMTL(filepath, filename):
contents = {}
mtl = None
# check is exist file
filename = os.path.join(filepath, filename)
if os.path.isfile(filename):
for line in open(filename, "r"):
# is comment?
line = line.strip()
if line.startswith('#'):
continue
# split with space
line = line.split()
# is empty?
if not line:
continue
preFix = line[0]
# create new material
if preFix == 'newmtl' and len(line) > 1:
mtlName = line[1]
mtl = contents[mtlName] = {}
elif mtl is None:
logger.warn("mtl file doesn't start with newmtl stmt")
raise ValueError("mtl file doesn't start with newmtl stmt")
elif preFix == 'map_Kd':
# load the texture referred to by this declaration
texName = os.path.join(filepath, line[1])
mtl['map_Kd'] = texName
try:
if os.path.exists(texName):
# load texture file
image = Image.open(texName)
ix, iy = image.size
image = image.tobytes("raw", "RGBX", 0, -1)
# binding texture
texid = mtl['texture_Kd'] = glGenTextures(1)
glBindTexture(GL_TEXTURE_2D, texid)
glPixelStorei(GL_UNPACK_ALIGNMENT,1)
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, ix, iy, 0, GL_RGBA, GL_UNSIGNED_BYTE, image)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
except:
logger.error(traceback.format_exc())
elif len(line) > 1:
mtl[preFix] = list(map(float, line[1:]))
return contents
