]> git.tdb.fi Git - libs/gl.git/blobdiff - blender/io_mspgl/export_object.py
Move material and texture export to their own classes
[libs/gl.git] / blender / io_mspgl / export_object.py
index 34724221184e600b8c40e9a53974275e0a34ffd8..bcd2c6ecfb05c70a0646a603cc0a6456ebd52317 100644 (file)
@@ -1,26 +1,6 @@
 import os
 import mathutils
 
-def linear_to_srgb(l):
-       if l<0.0031308:
-               return 12.92*l
-       else:
-               return 1.055*(l**(1/2.4))-0.055
-
-def get_colormap(srgb):
-       if srgb:
-               return linear_to_srgb
-       else:
-               return lambda x: x
-
-def image_name(i):
-       fp = i.filepath
-       if fp:
-               return os.path.split(fp)[1]
-       else:
-               return i.name
-
-
 class ObjectExporter:
        def __init__(self):
                self.show_progress = True
@@ -62,6 +42,12 @@ class ObjectExporter:
                mesh_export.use_degen_tris = self.use_degen_tris
                return mesh_export
 
+       def create_material_exporter(self):
+               from .export_material import MaterialExporter
+               material_export = MaterialExporter()
+               material_export.textures = self.textures
+               return material_export
+
        def export_to_file(self, context, out_fn):
                obj = context.active_object
 
@@ -101,6 +87,7 @@ class ObjectExporter:
 
                from .mesh import create_mesh_from_object
                mesh_export = self.create_mesh_exporter()
+               material_export = self.create_material_exporter()
 
                for i, l in enumerate(lods):
                        lod_index = l.lod_index if l.lod_for_parent else 0
@@ -112,16 +99,14 @@ class ObjectExporter:
                                mesh_res = mesh_export.export_mesh(context, mesh, progress)
                                resources[mesh_name] = mesh_res
 
-                       material = None
                        if l.material_slots and l.material_slots[0].material:
                                material = l.material_slots[0].material
-                               mat_name = material.name+".mat"
-                               if mat_name not in resources:
-                                       resources[mat_name] = self.export_material(material)
-
-                       tech_name = (material.name if material else l.name)+".tech"
-                       if tech_name not in resources:
-                               resources[tech_name] = self.export_object_technique(l, resources=resources)
+                               tech_name = material.name+".tech"
+                               if tech_name not in resources:
+                                       material_export.export_technique_resources(material, resources)
+                                       resources[tech_name] = material_export.export_technique(material, resources=resources)
+                       elif "stub.tech" not in resources:
+                               resources["stub.tech"] = self.export_stub_technique()
 
                        progress.pop_task()
 
@@ -140,7 +125,7 @@ class ObjectExporter:
                statements.append(Statement("bounding_sphere_hint", *center, radius))
 
                prev_mesh = None
-               prev_tech = (None, None)
+               prev_tech = None
                for i, l in enumerate(lods):
                        lod_st = []
 
@@ -153,24 +138,22 @@ class ObjectExporter:
 
                                prev_mesh = l.data.name
 
-                       mat_name = None
-                       if l.material_slots and l.material_slots[0].material:
-                               mat_name = l.material_slots[0].material.name
-
-                       tech = (l.technique, mat_name)
-                       if tech!=prev_tech:
-                               tech_res = resources[(mat_name or l.name)+".tech"]
-                               if l.technique:
-                                       if l.inherit_tech:
-                                               lod_st.append(obj_res.create_embed_statement("technique", tech_res))
-                                       else:
-                                               lod_st.append(Statement("technique", l.technique))
+                       material = None
+                       if l.material_slots:
+                               material = l.material_slots[0].material
+                       if material:
+                               tech_res = resources[material.name+".tech"]
+                       else:
+                               tech_res = resources["stub.tech"]
+
+                       if tech_res.name!=prev_tech:
+                               if material and material.technique and not material.inherit_tech:
+                                       lod_st.append(Statement("technique", material.technique))
                                elif self.separate_tech:
                                        lod_st.append(obj_res.create_reference_statement("technique", tech_res))
                                else:
                                        lod_st.append(obj_res.create_embed_statement("technique", tech_res))
-
-                               prev_tech = tech
+                               prev_tech = tech_res.name
 
                        if i>0:
                                st = Statement("level_of_detail", i)
@@ -183,83 +166,8 @@ class ObjectExporter:
 
                return obj_res
 
-       def export_object_technique(self, obj, *, resources):
-               material = None
-               if obj.material_slots:
-                       material = obj.material_slots[0].material
-
-               from .datafile import Resource, Statement, Token
-               tech_res = Resource((material.name if material else obj.name)+".tech")
-
-               mat_res = None
-               if material:
-                       mat_res = resources[material.name+".mat"]
-
-               if obj.technique:
-                       if not obj.inherit_tech:
-                               return tech_res
-
-                       st = Statement("inherit", obj.technique)
-                       if material:
-                               for slot in material.texture_slots:
-                                       if slot and slot.texture.type=="IMAGE":
-                                               name = image_name(slot.texture.image)
-                                               if slot.use_map_color_diffuse:
-                                                       st.sub.append(Statement("texture", "diffuse_map", name))
-                                               elif slot.use_map_normal:
-                                                       st.sub.append(Statement("texture", "normal_map", name))
-                               if obj.override_material:
-                                       st.sub.append(tech_res.create_reference_statement("material", "surface", mat_res))
-                       tech_res.statements.append(st)
-
-                       return tech_res
-
-               pass_st = Statement("pass", "")
-               if material:
-                       pass_st.sub.append(tech_res.create_embed_statement("material", mat_res))
-
-                       if self.textures!="NONE":
-                               diffuse_tex = None
-                               for slot in material.texture_slots:
-                                       if slot and slot.texture.type=="IMAGE" and slot.use_map_color_diffuse:
-                                               diffuse_tex = slot.texture
-                                               break
-
-                               if diffuse_tex:
-                                       st = Statement("texunit", 0)
-                                       if self.textures=="INLINE":
-                                               ss = Statement("texture2d")
-                                               ss.sub.append(Statement("min_filter", Token("LINEAR")))
-                                               ss.sub.append(Statement("storage", Token("RGBA"), tex.image.size[0], tex.image.size[1]))
-                                               texdata = ""
-                                               for p in tex.image.pixels:
-                                                       texdata += "\\x%02X"%int(p*255)
-                                               ss.sub.append(Statement("raw_data", texdata))
-                                               st.sub.append(ss)
-                                       elif tex.image:
-                                               st.sub.append(Statement("texture", image_name(tex.image)))
-                                       pass_st.sub.append(st)
-               tech_res.statements.append(pass_st)
-
-               return tech_res
-
-       def export_material(self, material):
+       def export_stub_technique(self):
                from .datafile import Resource, Statement
-               mat_res = Resource(material.name+".mat")
-               statements = mat_res.statements
-
-               cm = get_colormap(material.srgb_colors)
-               if any(s.use_map_color_diffuse for s in material.texture_slots if s):
-                       statements.append(Statement("diffuse", 1.0, 1.0, 1.0, 1.0))
-                       amb = cm(material.ambient)
-                       statements.append(Statement("ambient", amb, amb, amb, 1.0))
-               else:
-                       diff = material.diffuse_color*material.diffuse_intensity
-                       statements.append(Statement("diffuse", cm(diff.r), cm(diff.g), cm(diff.b), 1.0))
-                       amb = diff*material.ambient
-                       statements.append(Statement("ambient", cm(amb.r), cm(amb.g), cm(amb.b), 1.0))
-               spec = material.specular_color*material.specular_intensity
-               statements.append(Statement("specular", cm(spec.r), cm(spec.g), cm(spec.g), 1.0))
-               statements.append(Statement("shininess", material.specular_hardness))
-
-               return mat_res
+               tech_res = Resource("stub.tech")
+               tech_res.statements.append(Statement("pass", ""))
+               return tech_res