1 files changed, 97 insertions, 0 deletions
diff --git a/io_scene_gltf2/io/exp/gltf2_io_export.py b/io_scene_gltf2/io/exp/gltf2_io_export.py
new file mode 100755
index 00000000..286d4e75
--- /dev/null
+++ b/io_scene_gltf2/io/exp/gltf2_io_export.py
@@ -0,0 +1,97 @@
+# Copyright 2018 The glTF-Blender-IO authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#
+# Imports
+#
+
+import json
+import struct
+
+#
+# Globals
+#
+
+#
+# Functions
+#
+
+
+def save_gltf(glTF, export_settings, encoder, glb_buffer):
+    indent = None
+    separators = separators = (',', ':')
+
+    if export_settings['gltf_format'] != 'GLB':
+        indent = 4
+        # The comma is typically followed by a newline, so no trailing whitespace is needed on it.
+        separators = separators = (',', ' : ')
+
+    glTF_encoded = json.dumps(glTF, indent=indent, separators=separators, sort_keys=True, cls=encoder, allow_nan=False)
+
+    #
+
+    if export_settings['gltf_format'] != 'GLB':
+        file = open(export_settings['gltf_filepath'], "w", encoding="utf8", newline="\n")
+        file.write(glTF_encoded)
+        file.write("\n")
+        file.close()
+
+        binary = export_settings['gltf_binary']
+        if len(binary) > 0 and not export_settings['gltf_embed_buffers']:
+            file = open(export_settings['gltf_filedirectory'] + export_settings['gltf_binaryfilename'], "wb")
+            file.write(binary)
+            file.close()
+
+    else:
+        file = open(export_settings['gltf_filepath'], "wb")
+
+        glTF_data = glTF_encoded.encode()
+        binary = glb_buffer
+
+        length_gtlf = len(glTF_data)
+        spaces_gltf = (4 - (length_gtlf & 3)) & 3
+        length_gtlf += spaces_gltf
+
+        length_bin = len(binary)
+        zeros_bin = (4 - (length_bin & 3)) & 3
+        length_bin += zeros_bin
+
+        length = 12 + 8 + length_gtlf
+        if length_bin > 0:
+            length += 8 + length_bin
+
+        # Header (Version 2)
+        file.write('glTF'.encode())
+        file.write(struct.pack("I", 2))
+        file.write(struct.pack("I", length))
+
+        # Chunk 0 (JSON)
+        file.write(struct.pack("I", length_gtlf))
+        file.write('JSON'.encode())
+        file.write(glTF_data)
+        for i in range(0, spaces_gltf):
+            file.write(' '.encode())
+
+        # Chunk 1 (BIN)
+        if length_bin > 0:
+            file.write(struct.pack("I", length_bin))
+            file.write('BIN\0'.encode())
+            file.write(binary)
+            for i in range(0, zeros_bin):
+                file.write('\0'.encode())
+
+        file.close()
+
+    return True
+