blender/io_mspgl/__init__.py

   1 bl_info = {
   2         "name": "Msp GL datafiles",
   3         "blender": (2, 80, 0),
   4         "author": "Mikko Rasa",
   5         "location": "File > Export",
   6         "description": "Export Msp GL data",
   7         "category": "Import-Export" }
   8
   9 if "bpy" in locals():
  10         import imp
  11         for sub in "animation", "armature", "datafile", "export", "export_animation", "export_armature", "export_camera", "export_material", "export_mesh", "export_object", "export_scene", "export_texture", "material", "mesh", "properties", "scene", "util":
  12                 if sub in locals():
  13                         imp.reload(locals()[sub])
  14
  15 import os
  16 import bpy
  17 from bpy_extras.io_utils import ExportHelper
  18
  19 class ExportMspGLBase(ExportHelper):
  20         def set_extension(self, ext):
  21                 ext_changed = (ext!=self.filename_ext)
  22                 if ext_changed:
  23                         if self.filepath.endswith(self.filename_ext):
  24                                 self.filepath = self.filepath[:-len(self.filename_ext)]
  25                         self.filename_ext = ext
  26                 return ext_changed
  27
  28         def execute(self, context):
  29                 exporter = self.create_exporter()
  30                 self.prepare_exporter(exporter)
  31                 exporter.export_to_file(context, self.filepath)
  32                 return {"FINISHED"}
  33
  34         def create_exporter(self):
  35                 raise Exception("create_exporter must be overridden")
  36
  37         def prepare_exporter(self, exporter):
  38                 for k, v in self.as_keywords().items():
  39                         setattr(exporter, k, v)
  40
  41 class ExportMspGLData(bpy.types.Operator):
  42         bl_idname = "export.mspgl_data"
  43         bl_label = "Export Msp GL data"
  44         bl_description = "Export object data in Msp GL format"
  45
  46         filepath: bpy.props.StringProperty(name="File path", description="File path for exporting the data", subtype='FILE_PATH')
  47         collection: bpy.props.BoolProperty(name="As a collection", description="Export all data as a single collection file", default=False)
  48         shared_resources: bpy.props.BoolProperty(name="Shared resources", description="Use global names for resource files to enable sharing", default=True)
  49
  50         @classmethod
  51         def poll(cls, context):
  52                 return len(context.selected_objects)>0
  53
  54         def invoke(self, context, event):
  55                 blend_filepath = context.blend_data.filepath
  56                 if blend_filepath:
  57                         self.filepath = os.path.splitext(blend_filepath)[0]+".mdc"
  58                 else:
  59                         self.filepath = "data.mdc"
  60                 context.window_manager.fileselect_add(self)
  61                 return {'RUNNING_MODAL'}
  62
  63         def execute(self, context):
  64                 from .export import DataExporter
  65                 exporter = DataExporter()
  66                 exporter.collection = self.collection
  67                 exporter.shared_resources = self.shared_resources
  68                 exporter.export_to_file(context, self.filepath)
  69                 return {'FINISHED'}
  70
  71         def draw(self, context):
  72                 col = self.layout.column()
  73                 col.label(text="Files")
  74                 col.prop(self, "collection")
  75                 col.prop(self, "shared_resources")
  76
  77 class ExportMspGLAnimation(bpy.types.Operator, ExportMspGLBase):
  78         bl_idname = "export.mspgl_animation"
  79         bl_label = "Export Msp GL animation"
  80         bl_description = "Export one or more animations in Msp GL format"
  81
  82         filename_ext = ".anim"
  83
  84         export_all: bpy.props.BoolProperty(name="Export all animations", description="Export all animations present on the selected objects' NLA tracks")
  85         collection: bpy.props.BoolProperty(name="As a collection", description="Export the animations as a single collection file", default=True)
  86         looping_threshold: bpy.props.FloatProperty(name="Looping threshold", description="Tolerance for curve beginning and end values for looping", min=0.0, soft_max=1.0, precision=4, default=0.001)
  87
  88         def check(self, context):
  89                 ext_changed = self.set_extension(".mdc" if self.export_all and self.collection else ".anim")
  90                 super_result = super().check(context)
  91                 return ext_changed or super_result
  92
  93         def create_exporter(self):
  94                 from .export_animation import AnimationExporter
  95                 return AnimationExporter()
  96
  97         def draw(self, context):
  98                 col = self.layout.column()
  99                 col.prop(self, "export_all")
 100                 if self.export_all:
 101                         col.prop(self, "collection")
 102                 col.prop(self, "looping_threshold")
 103
 104 class ExportMspGLScene(bpy.types.Operator, ExportMspGLBase):
 105         bl_idname = "export_scene.mspgl_scene"
 106         bl_label = "Export Msp GL scene"
 107         bl_description = "Export the active scene in Msp GL format"
 108
 109         filename_ext = ".scene"
 110
 111         selected_only: bpy.props.BoolProperty(name="Selected objects only", description="Only export the selected objects", default=False)
 112         visible_only: bpy.props.BoolProperty(name="Visible only", description="Only export objects in visible collections", default=True)
 113         collection: bpy.props.BoolProperty(name="As a collection", description="Export the scene and all resources as a single collection file", default=False)
 114         skip_existing: bpy.props.BoolProperty(name="Skip existing files", description="Skip resources that already exist as files", default=True)
 115
 116         def invoke(self, context, event):
 117                 self.filepath = context.scene.name+".scene"
 118                 return super().invoke(context, event)
 119
 120         def check(self, context):
 121                 ext_changed = self.set_extension(".mdc" if self.collection else ".scene")
 122                 super_result = super().check(context)
 123                 return ext_changed or super_result
 124
 125         def create_exporter(self):
 126                 from .export_scene import SceneExporter
 127                 return SceneExporter()
 128
 129         def draw(self, context):
 130                 col = self.layout.column()
 131                 col.prop(self, "selected_only")
 132                 col.prop(self, "visible_only")
 133                 col.prop(self, "collection")
 134                 if self.collection:
 135                         col.prop(self, "skip_existing")
 136
 137 class AddUniform(bpy.types.Operator):
 138         bl_idname = "material.add_uniform"
 139         bl_label = "Add Uniform"
 140         bl_description = "Add a new uniform value to the material"
 141
 142         def execute(self, context):
 143                 mat = context.active_object.active_material
 144                 mat.uniforms.add()
 145                 mat.active_uniform_index = len(mat.uniforms)-1
 146
 147                 return {"FINISHED"}
 148
 149 class RemoveUniform(bpy.types.Operator):
 150         bl_idname = "material.remove_uniform"
 151         bl_label = "Remove Uniform"
 152         bl_description = "Remove the selected uniform from the material"
 153
 154         def execute(self, context):
 155                 mat = context.active_object.active_material
 156                 mat.uniforms.remove(mat.active_uniform_index)
 157                 mat.active_uniform_index = min(mat.active_uniform_index, len(mat.uniforms)-1)
 158
 159                 return {"FINISHED"}
 160
 161 def menu_func_export(self, context):
 162         self.layout.operator(ExportMspGLData.bl_idname, text="Msp GL data")
 163         self.layout.operator(ExportMspGLAnimation.bl_idname, text="Msp GL animation")
 164         self.layout.operator(ExportMspGLScene.bl_idname, text="Msp GL scene")
 165
 166 classes = [ExportMspGLData, ExportMspGLAnimation, ExportMspGLScene, AddUniform, RemoveUniform]
 167
 168 def register():
 169         for c in classes:
 170                 bpy.utils.register_class(c)
 171
 172         bpy.types.TOPBAR_MT_file_export.append(menu_func_export)
 173
 174         from .properties import register_properties
 175         register_properties()
 176
 177 def unregister():
 178         for c in classes:
 179                 bpy.utils.unregister_class(c)
 180
 181         bpy.types.TOPBAR_MT_file_export.remove(menu_func_export)
 182
 183         from .properties import unregister_properties
 184         unregister_properties()