def __init__(self):
self.inline_data = True
- def export_texture(self, texture):
+ def export_texture(self, tex_node, usage='RGB'):
+ image = tex_node.image
from .datafile import Resource, Statement, Token
- tex_res = Resource(texture.name+".tex2d")
+ tex_res = Resource(image.name+".tex2d", "texture2d")
- if texture.use_interpolation:
- if texture.use_mipmap:
- tex_res.statements.append(Statement("min_filter", Token('LINEAR_MIPMAP_LINEAR')))
+ use_interpolation = tex_node.interpolation!='Closest'
+ if use_interpolation:
+ if tex_node.use_mipmap:
+ tex_res.statements.append(Statement("filter", Token('LINEAR_MIPMAP_LINEAR')))
tex_res.statements.append(Statement("generate_mipmap", True))
else:
- tex_res.statements.append(Statement("min_filter", Token('LINEAR')))
- tex_res.statements.append(Statement("max_anisotropy", texture.filter_eccentricity))
+ tex_res.statements.append(Statement("filter", Token('LINEAR')))
+ tex_res.statements.append(Statement("max_anisotropy", tex_node.max_anisotropy))
else:
- if texture.use_mipmap:
- tex_res.statements.append(Statement("min_filter", Token('NEAREST_MIPMAP_NEAREST')))
+ if tex_node.use_mipmap:
+ tex_res.statements.append(Statement("filter", Token('NEAREST_MIPMAP_NEAREST')))
tex_res.statements.append(Statement("generate_mipmap", True))
else:
- tex_res.statements.append(Statement("min_filter", Token('NEAREST')))
+ tex_res.statements.append(Statement("filter", Token('NEAREST')))
- if not self.inline_data and texture.image.filepath:
- tex_res.statements.append(Statement("external_image", os.path.basename(texture.image.filepath)))
+ colorspace = image.colorspace_settings.name
+ if usage=='RGBA':
+ fmt = 'SRGB_ALPHA' if colorspace=='sRGB' else 'RGBA'
+ elif usage=='GRAY':
+ if colorspace=='sRGB':
+ raise Exception("Grayscale textures with sRGB colorspace are not supported")
+ fmt = 'LUMINANCE'
+ else:
+ fmt = 'SRGB' if colorspace=='sRGB' else 'RGB'
+
+ tex_res.statements.append(Statement("storage", Token(fmt), image.size[0], image.size[1]))
+
+ fn = os.path.basename(image.filepath)
+ if not self.inline_data and fn:
+ tex_res.statements.append(Statement("external_image", fn))
else:
texdata = ""
- colorspace = texture.image.colorspace_settings.name
- if texture.use_alpha:
- fmt = 'SRGB_ALPHA' if colorspace=='sRGB' else 'RGBA'
- for p in texture.image.pixels:
+ if usage=='RGBA':
+ for p in image.pixels:
texdata += "\\x{:02X}".format(int(p*255))
+ elif usage=='GRAY':
+ for i in range(0, len(image.pixels), 4):
+ texdata += "\\x{:02X}".format(image.pixels[i])
else:
- fmt = 'SRGB' if colorspace=='sRGB' else 'RGB'
- for i in range(0, len(texture.image.pixels), 4):
+ for i in range(0, len(image.pixels), 4):
for j in range(3):
- texdata += "\\x{:02X}".format(int(texture.image.pixels[i+j]*255))
- tex_res.statements.append(Statement("storage", Token(fmt), texture.image.size[0], texture.image.size[1]))
+ texdata += "\\x{:02X}".format(int(image.pixels[i+j]*255))
tex_res.statements.append(Statement("raw_data", texdata))
return tex_res