From 4b9e07014b9734df30f90301d58cad5e4cfc6c70 Mon Sep 17 00:00:00 2001
From: Chris Foster <cdbfoster@gmail.com>
Date: Wed, 11 Dec 2013 15:54:59 -0500
Subject: [PATCH] Add option to export texture references to the active images
of each face. This is useful to some users.
---
io_scene_x/__init__.py | 9 ++++-
io_scene_x/export_x.py | 87 +++++++++++++++++++++++++++++++++++++++++-
2 files changed, 93 insertions(+), 3 deletions(-)
diff --git a/io_scene_x/__init__.py b/io_scene_x/__init__.py
index 394954e6d..91c9ac368 100644
--- a/io_scene_x/__init__.py
+++ b/io_scene_x/__init__.py
@@ -91,7 +91,13 @@ class ExportDirectX(bpy.types.Operator):
name=" Export Materials",
description="Export material properties and reference image textures",
default=True)
-
+
+ ExportActiveImageMaterials = BoolProperty(
+ name=" Reference Active Images as Textures",
+ description="Reference the active image of each face as a texture, "\
+ "as opposed to the image assigned to the material",
+ default=False)
+
ExportVertexColors = BoolProperty(
name=" Export Vertex Colors",
description="Export mesh vertex colors, if any",
@@ -182,4 +188,3 @@ def unregister():
if __name__ == "__main__":
register()
-
diff --git a/io_scene_x/export_x.py b/io_scene_x/export_x.py
index dcaf22064..8c595fe16 100644
--- a/io_scene_x/export_x.py
+++ b/io_scene_x/export_x.py
@@ -506,7 +506,12 @@ class MeshExportObject(ExportObject):
if self.Config.ExportMaterials:
self.Exporter.Log("Writing mesh materials...")
- self.__WriteMeshMaterials(Mesh)
+ if self.Config.ExportActiveImageMaterials:
+ self.Exporter.Log("Referencing active images instead of "\
+ "material image textures.")
+ self.__WriteMeshActiveImageMaterials(Mesh)
+ else:
+ self.__WriteMeshMaterials(Mesh)
self.Exporter.Log("Done")
if self.Config.ExportVertexColors:
@@ -701,6 +706,86 @@ class MeshExportObject(ExportObject):
self.Exporter.File.Write("}} // End of {} material list\n".format(
self.SafeName))
+ def __WriteMeshActiveImageMaterials(self, Mesh):
+ def WriteMaterial(Exporter, MaterialKey):
+ #Unpack key
+ Material, Image = MaterialKey
+
+ Exporter.File.Write("Material {} {{\n".format(
+ Util.SafeName(Material.name)))
+ Exporter.File.Indent()
+
+ Diffuse = list(Vector(Material.diffuse_color) *
+ Material.diffuse_intensity)
+ Diffuse.append(Material.alpha)
+ # Map Blender's range of 1 - 511 to 0 - 1000
+ Specularity = 1000 * (Material.specular_hardness - 1.0) / 510.0
+ Specular = list(Vector(Material.specular_color) *
+ Material.specular_intensity)
+
+ Exporter.File.Write("{:9f};{:9f};{:9f};{:9f};;\n".format(Diffuse[0],
+ Diffuse[1], Diffuse[2], Diffuse[3]))
+ Exporter.File.Write(" {:9f};\n".format(Specularity))
+ Exporter.File.Write("{:9f};{:9f};{:9f};;\n".format(Specular[0],
+ Specular[1], Specular[2]))
+ Exporter.File.Write(" 0.000000; 0.000000; 0.000000;;\n")
+
+ if Image is not None:
+ Exporter.File.Write("TextureFilename {{\"{}\";}}\n".format(
+ bpy.path.basename(Image.filepath)))
+
+ self.Exporter.File.Unindent()
+ self.Exporter.File.Write("}\n")
+
+ def GetMaterialKey(Material, UVTexture, Index):
+ Image = None
+ if UVTexture != None and UVTexture.data[Index].image != None:
+ Image = UVTexture.data[Index].image if \
+ UVTexture.data[Index].image.source == 'FILE' else None
+
+ return (Material, Image)
+
+ Materials = Mesh.materials
+ # Do not write materials if there are none
+ if not Materials.keys():
+ return
+
+ self.Exporter.File.Write("MeshMaterialList {{ // {} material list\n".
+ format(self.SafeName))
+ self.Exporter.File.Indent()
+
+ from array import array
+ MaterialIndexes = array("I", [0]) * len(Mesh.polygons) # Fast allocate
+ MaterialIndexMap = {}
+
+ for Index, Polygon in enumerate(Mesh.polygons):
+ MaterialKey = GetMaterialKey(Materials[Polygon.material_index],
+ Mesh.uv_textures.active, Index)
+
+ if MaterialKey in MaterialIndexMap:
+ MaterialIndexes[Index] = MaterialIndexMap[MaterialKey]
+ else:
+ MaterialIndex = len(MaterialIndexMap)
+ MaterialIndexMap[MaterialKey] = MaterialIndex
+ MaterialIndexes[Index] = MaterialIndex
+
+ self.Exporter.File.Write("{};\n".format(len(MaterialIndexMap)))
+ self.Exporter.File.Write("{};\n".format(len(Mesh.polygons)))
+
+ for Index in range(len(Mesh.polygons)):
+ self.Exporter.File.Write("{}".format(MaterialIndexes[Index]))
+ if Index == len(Mesh.polygons) - 1:
+ self.Exporter.File.Write(";;\n", Indent=False)
+ else:
+ self.Exporter.File.Write(",\n", Indent=False)
+
+ for Material in MaterialIndexMap.keys():
+ WriteMaterial(self.Exporter, Material)
+
+ self.Exporter.File.Unindent()
+ self.Exporter.File.Write("}} // End of {} material list\n".format(
+ self.SafeName))
+
def __WriteMeshVertexColors(self, Mesh, MeshEnumerator=None):
# If there are no vertex colors, don't write anything
if len(Mesh.vertex_colors) == 0:
--
GitLab