feat: Fix emission?

src/module/core/convert.py

@@ -48,6 +48,10 @@ def export(src: Material) -> list[Texture]:
 	bumpmap = bumpmap.convert('uint8', clip=True)
 	textures.append(Texture(bumpmap, '_bump', compressed=False))
 
+	if (MaterialMode.has_selfillum(src.mode) or MaterialMode.is_pbr(src.mode)) and src.emit:
+			illum_mask = src.emit.convert('uint8', clip=True)
+			textures.append(Texture(illum_mask, '_emit'))
+
 	if MaterialMode.is_pbr(src.mode):
 		mrao = texops.make_mrao(src)
 		mrao = mrao.convert('uint8')

src/module/core/texops.py

@@ -118,13 +118,6 @@ def make_basecolor(mat: Material) -> Image:
 			envmask = make_envmask(mat)
 			basetexture = Image.merge((r, g, b, envmask))
 
-	# Emission as basetexture alpha
-	# TODO: Burn emission color into image when using VLG/LMG
-	if MaterialMode.embed_selfillum(mat.mode):
-		assert mat.emit != None, 'An emissive texture is required for this mode!'
-		emitmask = mat.emit.copy().grayscale()
-		basetexture = Image.merge((r, g, b, emitmask))
-
 	return basetexture
 
 

src/module/core/vmt.py

@@ -99,11 +99,8 @@ def write(*args: str):
 
 		if MaterialMode.has_selfillum(mat.mode):
 			write(	'',
-				'	$selfillum		1')
-
-			# Mask is always embedded in basetexture alpha, so we don't need this.
-			# write(
-			# 	f'	$selfillummask	"{mat.name}_emit"' )
+				'	$selfillum		1',
+				f'	$selfillummask	"{mat.name}_emit"')
 
 	write('}')
 	return '\n'.join(vmt)

src/module/gui/backend.py

@@ -157,7 +157,7 @@ def getImage(role: ImageRole) -> Image|None:
 			albedo=texops.normalize(albedo, detailSize, mode='RGB'),
 			roughness=texops.normalize(roughness, detailSize, mode='L'),
 			metallic=texops.normalize(metallic, detailSize, mode='L'),
-			emit=texops.normalize(emit, detailSize, mode='L') if emit else None,
+			emit=texops.normalize(emit, detailSize) if emit else None,
 			ao=texops.normalize(ao, detailSize, mode='L') if ao else None,
 			normal=texops.normalize(normal, detailSize, mode='RGB'),
 			height=texops.normalize(height, detailSize, mode='L') if height else None,