Add blend statement also with custom shaders

[libs/gl.git] / blender / io_mspgl / export_material.py

diff --git a/blender/io_mspgl/export_material.py b/blender/io_mspgl/export_material.py
index 792ab2903576ba4a10518fef480c06cb5cc49ac9..6a194dfbe59e5352a79a3d2f6344c5970e72fbd8 100644 (file)
--- a/blender/io_mspgl/export_material.py
+++ b/blender/io_mspgl/export_material.py
@@ -1,18 +1,24 @@
 import os
 
 def create_technique_resource(material, resources):
-       # This operates on a Blender material, not a custom object
-       from .datafile import Resource, Statement
+       from .datafile import Resource, Statement, Token
        tech_res = Resource(material.name+".tech", "technique")
 
        mat_res = resources[material.name+".mat"]
 
+       blend_st = None
+       if material.blended:
+               blend_st = Statement("blend", Token("SRC_ALPHA"), Token("ONE_MINUS_SRC_ALPHA"))
+
        if material.render_mode=='CUSTOM':
                for m in material.render_methods:
                        st = Statement("method", m.tag)
                        if mat_res and m.use_material:
                                st.sub.append(tech_res.create_reference_statement("material", mat_res))
 
+                       if m.tag=="blended" and blend_st:
+                               st.sub.append(blend_st)
+
                        shader = m.shader
                        if shader.endswith(".glsl"):
                                shader += ".shader"
@@ -26,19 +32,21 @@ def create_technique_resource(material, resources):
 
                        tech_res.statements.append(st)
        else:
-               st = Statement("method", "")
+               base_method = "blended" if material.blended else ""
+               st = Statement("method", base_method)
                if mat_res:
                        st.sub.append(tech_res.create_embed_statement("material", mat_res))
 
-               if material.render_mode!='CUSTOM':
-                       if material.receive_shadows:
-                               st.sub.append(Statement("receive_shadows", True))
-                       if material.image_based_lighting:
-                               st.sub.append(Statement("image_based_lighting", True))
+               if blend_st:
+                       st.sub.append(blend_st)
+               if material.receive_shadows:
+                       st.sub.append(Statement("receive_shadows", True))
+               if material.image_based_lighting:
+                       st.sub.append(Statement("image_based_lighting", True))
 
                tech_res.statements.append(st)
 
-               if material.shadow_method!='NONE':
+               if material.cast_shadows:
                        st = Statement("method", "shadow")
                        st.sub.append(Statement("shader", "occluder.glsl.shader"))
                        tech_res.statements.append(st)
@@ -56,7 +64,8 @@ class MaterialExporter:
                sampler_export = SamplerExporter()
 
                from .material import Material
-               material = Material(material)
+               if type(material)!=Material:
+                       material = Material(material)
 
                for p in material.properties:
                        if p.texture:
@@ -76,6 +85,10 @@ class MaterialExporter:
                                resources[mat_name] = None
 
        def export_technique(self, material, resources):
+               from .material import Material
+               if type(material)!=Material:
+                       material = Material(material)
+
                return create_technique_resource(material, resources)
 
        def export_material(self, material, resources):