X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_scene.py;h=00f91c1a4afcd6c5e5687066bc397c98baea628f;hb=77b358049bc1ef38ea013175a485cecd71a173c9;hp=8666e98beee0ef9489557d28da89fdcf788ee036;hpb=083a8227715fa32c841fc2b8126e4ab8d2840ba0;p=libs%2Fgl.git

diff --git a/blender/io_mspgl/export_scene.py b/blender/io_mspgl/export_scene.py
index 8666e98b..00f91c1a 100644
--- a/blender/io_mspgl/export_scene.py
+++ b/blender/io_mspgl/export_scene.py
@@ -122,10 +122,7 @@ class SceneExporter:
 		if scene.use_hdr:
 			seq_res.statements.append(Statement("hdr", True))
 
-		ss = Statement("clear")
-		ss.sub.append(Statement("color", 0.0, 0.0, 0.0, 0.0))
-		ss.sub.append(Statement("depth", 1.0))
-		seq_res.statements.append(ss)
+		self.add_clear(seq_res.statements, (0.0, 0.0, 0.0, 0.0), 1.0)
 
 		scene_res = resources[scene.name+".scene"]
 		seq_res.statements.append(seq_res.create_reference_statement("renderable", "content", scene_res))
@@ -142,17 +139,13 @@ class SceneExporter:
 				any_blended = True
 			s = s.background_set
 
-		if any_opaque:
-			ss = Statement("step", "", "content")
-			ss.sub.append(Statement("depth_test", Token("LEQUAL")))
-			ss.sub.append(seq_res.create_reference_statement("lighting", lighting_res))
-			seq_res.statements.append(ss)
 
+		main_tags = []
+		if any_opaque:
+			main_tags.append("")
 		if any_blended:
-			ss = Statement("step", "blended", "content")
-			ss.sub.append(Statement("depth_test", Token("LEQUAL")))
-			ss.sub.append(seq_res.create_reference_statement("lighting", lighting_res))
-			seq_res.statements.append(ss)
+
+		self.add_content_steps(seq_res, "content", lighting_res, main_tags)
 
 		if scene.use_ao:
 			ss = Statement("postprocessor")
@@ -180,3 +173,23 @@ class SceneExporter:
 			seq_res.statements.append(ss)
 
 		return seq_res
+
+	def add_clear(self, statements, color, depth):
+		from .datafile import Statement
+
+		st = Statement("clear")
+		if color is not None:
+			st.sub.append(Statement("color", *color))
+		if depth is not None:
+			st.sub.append(Statement("depth", depth))
+		statements.append(st)
+
+	def add_content_steps(self, seq_res, renderable, lighting, tags):
+		from .datafile import Statement, Token
+
+		for t in tags:
+			st = Statement("step", t, renderable)
+			st.sub.append(Statement("depth_test", Token("LEQUAL")))
+			if lighting:
+				st.sub.append(seq_res.create_reference_statement("lighting", lighting))
+			seq_res.statements.append(st)