Refactor face cull settings in Blender

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

diff --git a/blender/io_mspgl/export_mesh.py b/blender/io_mspgl/export_mesh.py
index 7bb4e224c58a099ef13a571fc8db5f597f57a764..012386185faa7755388f3aa108e5d02a093446ec 100644 (file)
--- a/blender/io_mspgl/export_mesh.py
+++ b/blender/io_mspgl/export_mesh.py
@@ -1,45 +1,57 @@
-import itertools
-import os
-import bpy
-import mathutils
-
 class MeshExporter:
-       def export_mesh(self, context, mesh_or_obj, progress):
+       def export_mesh(self, ctx, mesh_or_obj):
                from .mesh import Mesh, create_mesh_from_object
 
                if type(mesh_or_obj)==Mesh:
                        mesh = mesh_or_obj
                else:
-                       progress.push_task("", 0.0, 0.9)
-                       mesh = create_mesh_from_object(context, mesh_or_obj, progress)
-                       progress.pop_task()
+                       task = ctx.task("Preparing mesh", 0.9)
+                       mesh = create_mesh_from_object(task, mesh_or_obj)
 
                from .datafile import Resource, Statement, Token
                resource = Resource(mesh.name+".mesh", "mesh")
                statements = resource.statements
 
-               st = Statement("vertices", Token("NORMAL3_BYTE"))
-               if mesh.uv_layers and mesh.tangent_vecs:
-                       st.append(Token("TANGENT3_BYTE"))
+               task = ctx.task("Creating statements", 1.0)
+
+               statements.append(Statement("winding", Token('COUNTERCLOCKWISE')))
+
+               st = Statement("vertices", Token("VERTEX3_FLOAT"))
+               stride = 12
                if mesh.vertices[0].color:
                        st.append(Token("COLOR4_UBYTE"))
+                       stride += 4
                if mesh.uv_layers:
                        for u in mesh.uv_layers:
-                               size = str(len(u.uvs[0]))
+                               size = len(u.uvs[0])
                                min_val = min(*u.uvs[0])
                                max_val = max(*u.uvs[1])
                                for c in u.uvs:
                                        min_val = min(min_val, *c)
                                        max_val = max(max_val, *c)
                                uv_type = "USHORT" if min_val>=0.0 and max_val<=1.0 else "FLOAT"
+                               if uv_type=="FLOAT" and stride%4:
+                                       pad = 4-stride%4
+                                       st.append(Token("PADDING{}".format(pad)))
+                                       stride += pad
                                if u.unit==0:
                                        st.append(Token("TEXCOORD{}_{}".format(size, uv_type)))
                                else:
                                        st.append(Token("TEXCOORD{}_{}_{}".format(size, u.unit, uv_type)))
+                               stride += (2 if uv_type=="USHORT" else 4)*size
                if mesh.vertex_groups:
-                       st.append(Token("GROUP{}_UBYTE".format(mesh.max_groups_per_vertex)))
                        st.append(Token("WEIGHT{}_USHORT".format(mesh.max_groups_per_vertex)))
-               st.append(Token("VERTEX3_FLOAT"))
+                       st.append(Token("GROUP{}_UBYTE".format(mesh.max_groups_per_vertex)))
+                       stride += 3*mesh.max_groups_per_vertex
+               st.append(Token("NORMAL3_BYTE"))
+               stride += 3
+               if mesh.uv_layers and mesh.tangent_vecs:
+                       st.append(Token("TANGENT3_BYTE"))
+                       stride += 3
+               if stride%4:
+                       pad = 4-stride%4
+                       st.append(Token("PADDING{}_UBYTE".format(pad)))
+                       stride += pad
 
                normal = None
                color = None
@@ -96,9 +108,6 @@ class MeshExporter:
                                st.sub.append(Statement("indices", *(v.index for v in l.vertices)))
                        statements.append(st)
 
-               if mesh.winding_test:
-                       statements.append(Statement("winding", Token('COUNTERCLOCKWISE')))
-
-               progress.set_progress(1.0)
+               task.set_progress(1.0)
 
                return resource