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Fix UVs

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gsemaj 2023-09-09 10:28:48 -07:00
parent 20d5f6231c
commit 03a3e21532
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GPG Key ID: 24B96BAA40497929
1 changed files with 28 additions and 11 deletions
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39
terrain_mesh_extractor/ExtractTerrainMeshes.py
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@ -8,7 +8,14 @@ dongpath = r'C:\Users\gents\AppData\LocalLow\Unity\Web Player\Cache\Fusionfall'
env = UnityEnvironment(base_path=dongpath)
outpath = r'C:\Users\gents\3D Objects\FFTerrainMeshes'
def rip_terrain_mesh(f, outpath):
def uvs_from_vert(uv_layer, v):
uvs = []
for l in v.link_loops:
uv_data = l[uv_layer]
uvs.append(uv_data.uv)
return uvs
def rip_terrain_mesh(f, outpath, clear=False):
dong = Asset.from_file(f, environment=env)
for k, v in dong.objects.items():
@ -25,12 +32,6 @@ def rip_terrain_mesh(f, outpath):
context = bpy.context
grid = context.edit_object
# apply triangulate modifier
mod = grid.modifiers.new("Triangulate", 'TRIANGULATE')
mod.quad_method = 'FIXED' # triangle orientation
bpy.ops.object.mode_set(mode='OBJECT')
bpy.ops.object.modifier_apply(modifier="Triangulate")
bpy.ops.object.mode_set(mode='EDIT')
bm = bmesh.from_edit_mesh(context.edit_object.data)
bm.verts.ensure_lookup_table()
@ -48,6 +49,8 @@ def rip_terrain_mesh(f, outpath):
indices = []
shift_amt = abs(bm.verts[0].co.x - bm.verts[1].co.x)
uv_layer = bm.loops.layers.uv.active
uv_shift_amt = 1 / 256
# gather m_Shifts positions
for shift in terrainData['m_Heightmap']['m_Shifts']:
shift_index = shift['y'] + shift['x'] * 129
@ -56,12 +59,26 @@ def rip_terrain_mesh(f, outpath):
flags = shift['flags'] # bits: +X -X +Y -Y
if flags & 0b1000: # +X
v.co.x += shift_amt
for uv in uvs_from_vert(uv_layer, v):
uv.x += uv_shift_amt
if flags & 0b0100: # -X
v.co.x -= shift_amt
for uv in uvs_from_vert(uv_layer, v):
uv.x -= uv_shift_amt
if flags & 0b0010: # +Y
v.co.y += shift_amt
for uv in uvs_from_vert(uv_layer, v):
uv.y += uv_shift_amt
if flags & 0b0001: # -Y
v.co.y -= shift_amt
for uv in uvs_from_vert(uv_layer, v):
uv.y -= uv_shift_amt
# apply triangulate modifier
mod = grid.modifiers.new("Triangulate", 'TRIANGULATE')
mod.quad_method = 'FIXED' # triangle orientation
bpy.ops.object.mode_set(mode='OBJECT')
bpy.ops.object.modifier_apply(modifier="Triangulate")
# flip diagonally
for v in bm.verts:
@ -90,10 +107,10 @@ def rip_terrain_mesh(f, outpath):
# v = bm.verts[shift_index]
# v.select = True
# clear the scene
bpy.ops.object.mode_set(mode="OBJECT")
bpy.ops.object.select_all(action='SELECT')
bpy.ops.object.delete()
if(clear):
bpy.ops.object.mode_set(mode="OBJECT")
bpy.ops.object.select_all(action='SELECT')
bpy.ops.object.delete()
dongs = os.listdir(dongpath)
for dongname in dongs: