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diff --git a/io_scene_hl1map/__init__.py b/io_scene_hl1map/__init__.py
new file mode 100755
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+++ b/io_scene_hl1map/__init__.py
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+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+bl_info = {
+    "name": "Export Half-Life 1 Tools Format (.map)",
+    "author": "Ludovic Pouzenc",
+    "version": (0, 2, 0),
+    "blender": (2, 79, 0),
+    "location": "File > Export > Half-Life 1 tools (.map)",
+    "description": "Export mesh to Half-Life 1 tools (.map)",
+    "warning": "",
+    #"wiki_url": "http://to.do",
+    "category": "Import-Export"}
+
+"""
+Related links:
+https://developer.valvesoftware.com/wiki/MAP_file_format
+
+Usage Notes:
+Map file could be opened in Valve Hammer 3.4 editor (prefered bit windows only)
+or passed to orignal's or ZLHT's compiler tools (use wine to run them on linux)
+
+MAP format defines solids (brushes) as a set of intersecting planes.
+Planes a defined by 3 points in space (could be different from face's vertices)
+
+This is (very) unusual. This cannot reprents things such as :
+* Concave meshes
+* Non-planar faces
+Existing tools that use this .map format probably don't cope with :
+* ngons with n > 32
+
+For now this script do :
+* For each mesh in current scene
+** Simplify it (remove doubles in vertices, fill holes, connect vertices to not have concave faces nor non planar faces)
+** Recalc face normals to have them pointing to this outside of the mesh
+* For each object in current scene that is type 'MESH'
+** Take the mesh and local to world matrix
+** Make a .map brush for each mesh's blender face (world coords, scaled by blender_to_map_scale_factor)
+** Put AAATRIGGER texture stupidly
+** Output it as part of worldspawn entity in .map
+
+Line termination aren't well specified, this plugin will use system default (CRLF on Win, LF on Lin...)
+"""
+
+if "bpy" in locals():
+    import importlib
+    if "export_hl1map" in locals():
+        importlib.reload(export_hl1map)
+
+import bpy
+from bpy.props import (
+        BoolProperty,
+        CollectionProperty,
+        FloatProperty,
+        StringProperty,
+        )
+from bpy_extras.io_utils import (
+        ExportHelper,
+        )
+
+class ExportHL1MAP(bpy.types.Operator, ExportHelper):
+    """Export Half-Life 1 Tools Format (.map)"""
+    bl_idname = 'export_scene.hl1_map'
+    bl_label = 'Export HL1 .map'
+
+    filename_ext = '.map'
+    
+    filter_glob = StringProperty(default='*'+filename_ext, options={'HIDDEN'})
+
+    use_selection = BoolProperty(
+            name='Selection Only',
+            description='Export selected objects only',
+            default=False,
+            )
+
+    blender_to_map_scale_factor = FloatProperty(
+            name='Upscaling factor',
+            description='Scale from blender world coordinates to map brush coordinates',
+            default=100,
+            )
+
+    worldspawn_props = {
+        'classname': 'worldspawn',
+        'sounds': 1,
+        'MaxRange': 4096,
+        'mapversion': 220,
+        'wad': '\\half-life\\valve\\xeno.wad;\\half-life\\valve\\decals.wad;\\half-life\\valve\\halflife.wad;\\half-life\\valve\\liquids.wad'
+    }
+
+    def execute(self, context):
+        from . import export_hl1map
+        keywords = self.as_keywords(ignore=('filter_glob','check_existing'))
+        keywords['worldspawn_props'] = self.worldspawn_props
+        print('export_hl1map.save(self, context, ', keywords, ')')
+        return export_hl1map.save(self, context, **keywords)
+
+
+
+# Add to a menu
+def menu_func_export(self, context):
+    self.layout.operator(ExportHL1MAP.bl_idname, text="Half-Life 1 tools (.map)")
+
+def register():
+    bpy.utils.register_module(__name__)
+    bpy.types.INFO_MT_file_export.append(menu_func_export)
+
+
+def unregister():
+    bpy.utils.unregister_module(__name__)
+    bpy.types.INFO_MT_file_export.remove(menu_func_export)
+
+if __name__ == "__main__":
+    register()