From 04d07194185580b046604300c2be995e4041a454 Mon Sep 17 00:00:00 2001
From: Cameron Reikes <cameronreikes@gmail.com>
Date: Sat, 24 Jun 2023 21:13:57 -0700
Subject: [PATCH] Exporter -> separate file, fix codegen, don't ignore .pn
 files

---
 .gitattributes  |  1 -
 art/Exporter.py | 60 +++++++++++++++++++++++++++++++++++++++++++++++++
 art/art.blend   |  4 ++--
 run_codegen.bat |  2 +-
 4 files changed, 63 insertions(+), 4 deletions(-)
 create mode 100644 art/Exporter.py

diff --git a/.gitattributes b/.gitattributes
index d16a064..6158505 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,2 @@
 *.blend filter=lfs diff=lfs merge=lfs -text
-*.pn filter=lfs diff=lfs merge=lfs -text
 *.png filter=lfs diff=lfs merge=lfs -text
diff --git a/art/Exporter.py b/art/Exporter.py
new file mode 100644
index 0000000..0e399e2
--- /dev/null
+++ b/art/Exporter.py
@@ -0,0 +1,60 @@
+import bpy
+import bmesh
+import os
+import struct
+from mathutils import *; from math import *
+from bpy_extras.io_utils import (axis_conversion)
+
+C = bpy.context
+D = bpy.data
+
+EXPORT_DIRECTORY = "exported"
+
+if not os.path.exists(bpy.path.abspath(f"//{EXPORT_DIRECTORY}")):
+    os.makedirs(bpy.path.abspath(f"//{EXPORT_DIRECTORY}"))
+
+
+def write_f32(f, number: float):
+    f.write(bytes(struct.pack("f", number)))
+
+def write_u64(f, number: int):
+    f.write(bytes(struct.pack("Q", number)))
+
+for o in D.objects:
+    mapping = axis_conversion(
+        from_forward = "Y",
+        from_up = "Z",
+        to_forward = "-Z",
+        to_up = "Y",
+    )
+    mapping.resize_4x4()
+    print(mapping)
+    output_filepath = bpy.path.abspath(f"//{EXPORT_DIRECTORY}/{o.name}.bin")
+    print(f"\n\nExporting {output_filepath}")
+    with open(output_filepath, "wb") as f:
+        bm = bmesh.new()
+        mesh = o.to_mesh()
+        bm.from_mesh(mesh)
+        bmesh.ops.triangulate(bm, faces=bm.faces)
+        bm.transform(mapping)
+        bm.to_mesh(mesh)
+        
+        
+        vertices = []
+
+        for polygon in mesh.polygons:
+            if len(polygon.loop_indices) == 3:
+                for loopIndex in polygon.loop_indices:
+                    loop = mesh.loops[loopIndex]
+                    position = mesh.vertices[loop.vertex_index].undeformed_co
+                    uv = mesh.uv_layers.active.data[loop.index].uv
+                    normal = loop.normal
+                    
+                    vertices.append(position)
+        
+        write_u64(f, len(vertices))
+        for v in vertices:
+            write_f32(f, v.x)
+            write_f32(f, v.y)
+            write_f32(f, v.z)
+        print(f"Wrote {len(vertices)} vertices")
\ No newline at end of file
diff --git a/art/art.blend b/art/art.blend
index 5730634..1c822ac 100644
--- a/art/art.blend
+++ b/art/art.blend
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:31d12b0ddc3eb2909994163a30548a90b61628ffb502d0e84330ee68acbdad79
-size 916880
+oid sha256:6728eb4f6670636037e45663ee8eb1c97ebdea68adb937444a3c7855316d1504
+size 924500
diff --git a/run_codegen.bat b/run_codegen.bat
index be1bec0..6fbd9f3 100644
--- a/run_codegen.bat
+++ b/run_codegen.bat
@@ -29,7 +29,7 @@ copy "rpgpt_private_assets\knight_run_start.png" "assets\copyrighted\knight_run_
 
 rmdir /S /q "assets\exported_3d"
 mkdir "assets\exported_3d" || goto :error
-copy "rpgpt_private_assets\exported\*" "assets\exported_3d\" || goto :error
+copy "art\exported\*" "assets\exported_3d\" || goto :error
 @echo off
 
 rmdir /S /q gen