blender/io_mesh_mspgl/__init__.py

   1 bl_info = {
   2         "name": "Msp GL format",
   3         "author": "Mikko Rasa",
   4         "location": "File > Export",
   5         "description": "Export Msp GL meshes and objects",
   6         "category": "Import-Export" }
   7
   8 if "bpy" in locals():
   9         import imp
  10         for sub in "export_mspgl", "mesh", "util":
  11                 if sub in locals():
  12                         imp.reload(locals()[sub])
  13
  14 import bpy
  15 from bpy_extras.io_utils import ExportHelper
  16
  17 class ExportMspGLBase(ExportHelper):
  18         use_strips = bpy.props.BoolProperty(name="Use strips", description="Combine faces into triangle strips", default=True)
  19         use_degen_tris = bpy.props.BoolProperty(name="Use degen tris", description="Concatenate triangle strips with degenerate triangles", default=False)
  20         max_strip_len = bpy.props.IntProperty(name="Max strip length", description="Maximum length for a triangle strip", default=1024, min=4, max=16384)
  21         optimize_cache = bpy.props.BoolProperty(name="Optimize cache", description="Optimize element order for vertex cache", default=True)
  22         cache_size = bpy.props.IntProperty(name="Cache size", description="Simulated vertex cache size used in optimization", default=64, min=8, max=1024)
  23         export_lines = bpy.props.BoolProperty(name="Export lines", description="Export edges without faces as lines", default=False)
  24         export_uv = bpy.props.EnumProperty(name="Export UV", description="Export UV coordinates", default="UNIT0",
  25                 items=(("NONE", "None", "No UV coordinates are exported"),
  26                         ("UNIT0", "Unit 0", "UV coordinates for unit 0 are exported"),
  27                         ("ALL", "All", "All UV coordinates are exported")))
  28         tbn_vecs = bpy.props.BoolProperty(name="TBN vectors", description="Compute tangent and binormal vectors for vertices", default=False)
  29         tbn_uvtex = bpy.props.StringProperty(name="TBN UV layer", description="UV layer to use as basis for TBN vectors", default="")
  30         compound = bpy.props.BoolProperty(name="Compound", description="Combine all selected objects into one for exporting", default=False)
  31         smoothing = bpy.props.EnumProperty(name="Smoothing", description="Smoothing method to use", default="MSPGL",
  32                 items=(("NONE", "None", "No smoothing"),
  33                         ("BLENDER", "Blender", "Use Blender's vertex normals"),
  34                         ("MSPGL", "MspGL", "Compute vertex normals internally")))
  35
  36         def execute(self, context):
  37                 from . import export_mspgl
  38                 exporter = export_mspgl.Exporter()
  39                 self.prepare_exporter(exporter)
  40                 exporter.export(context, self.filepath)
  41                 return {"FINISHED"}
  42
  43         def prepare_exporter(self, exporter):
  44                 for k, v in self.as_keywords().items():
  45                         setattr(exporter, k, v)
  46
  47         def draw(self, context):
  48                 col = self.layout.column()
  49                 col.prop(self, "export_lines")
  50                 col.prop(self, "compound")
  51                 col.prop(self, "smoothing")
  52                 self.layout.separator()
  53                 col = self.layout.column()
  54                 col.label("Triangle strips")
  55                 col.prop(self, "use_strips")
  56                 col.prop(self, "use_degen_tris")
  57                 col.prop(self, "max_strip_len")
  58                 self.layout.separator()
  59                 col = self.layout.column()
  60                 col.label("Vertex cache")
  61                 col.prop(self, "optimize_cache")
  62                 col.prop(self, "cache_size")
  63                 self.layout.separator()
  64                 col = self.layout.column()
  65                 col.label("TBN vectors")
  66                 col.prop(self, "tbn_vecs")
  67                 col.prop(self, "tbn_uvtex")
  68
  69 class ExportMspGLMesh(bpy.types.Operator, ExportMspGLBase):
  70         bl_idname = "export_mesh.mspgl_mesh"
  71         bl_label = "Export Msp GL mesh"
  72
  73         filename_ext = ".mesh"
  74
  75 class ExportMspGLObject(bpy.types.Operator, ExportMspGLBase):
  76         bl_idname = "export_mesh.mspgl_object"
  77         bl_label = "Export Msp GL object"
  78
  79         filename_ext = ".object"
  80
  81         textures = bpy.props.EnumProperty(name="Textures", description="Export textures", default="REF",
  82                 items=(("NONE", "None", "Ignore textures"),
  83                         ("REF", "Referenced", "Reference external data"),
  84                         ("INLINE", "Inline", "Embed textures in the object")))
  85         material_tex = bpy.props.BoolProperty(name="Material texture", description="Generate a texture based on material colors", default=False)
  86
  87         def prepare_exporter(self, exporter):
  88                 super().prepare_exporter(exporter)
  89                 exporter.object = True
  90
  91         def draw(self, context):
  92                 super().draw(context)
  93                 self.layout.separator()
  94                 col = self.layout.column()
  95                 col.label("Texturing")
  96                 col.prop(self, "textures")
  97                 col.prop(self, "material_tex")
  98
  99 def menu_func_export(self, context):
 100         self.layout.operator(ExportMspGLMesh.bl_idname, text="Msp GL mesh")
 101         self.layout.operator(ExportMspGLObject.bl_idname, text="Msp GL object")
 102
 103 def register():
 104         bpy.utils.register_module(__name__)
 105
 106         bpy.types.INFO_MT_file_export.append(menu_func_export)
 107
 108 def unregister():
 109         bpy.utils.unregister_module(__name__)
 110
 111         bpy.types.INFO_MT_file_export.remove(menu_func_export)
 112
 113 if __name__=="__main__":
 114         register()