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Export flip UV y component

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Pyogenics
2025-05-21 18:38:18 +01:00
parent 3655a0c79d
commit 7283d77f48
1 changed files with 9 additions and 5 deletions
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14
io_scene_a3d/A3DBlenderExporter.py
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@@ -30,6 +30,10 @@ from .A3DObjects import (
A3D_VERTEXTYPE_NORMAL2 A3D_VERTEXTYPE_NORMAL2
) )
def mirrorUVY(uv):
x, y = uv
return (x, 1-y)
class A3DBlenderExporter: class A3DBlenderExporter:
def __init__(self, modelData, objects, version=2): def __init__(self, modelData, objects, version=2):
self.modelData = modelData self.modelData = modelData
@@ -134,17 +138,17 @@ class A3DBlenderExporter:
uv1Vertices = [(0.0, 0.0)] * mesh.vertexCount uv1Vertices = [(0.0, 0.0)] * mesh.vertexCount
for polygon in me.polygons: for polygon in me.polygons:
i0, i1, i2 = polygon.vertices i0, i1, i2 = polygon.vertices
uv1Vertices[i0] = uv1Data.uv[polygon.loop_start].vector uv1Vertices[i0] = mirrorUVY(uv1Data.uv[polygon.loop_start].vector)
uv1Vertices[i1] = uv1Data.uv[polygon.loop_start+1].vector uv1Vertices[i1] = mirrorUVY(uv1Data.uv[polygon.loop_start+1].vector)
uv1Vertices[i2] = uv1Data.uv[polygon.loop_start+2].vector uv1Vertices[i2] = mirrorUVY(uv1Data.uv[polygon.loop_start+2].vector)
uv1Buffer.data = uv1Vertices uv1Buffer.data = uv1Vertices
normal2Buffer = A3DObjects.A3DVertexBuffer() normal2Buffer = A3DObjects.A3DVertexBuffer()
normal2Buffer.bufferType = A3D_VERTEXTYPE_NORMAL2 normal2Buffer.bufferType = A3D_VERTEXTYPE_NORMAL2
normal2Buffer.data = normal1Buffer.data normal2Buffer.data = normal1Buffer.data
mesh.vertexBufferCount = 4 #XXX: We only do coordinate, normal1 and uv1 mesh.vertexBufferCount = 3 #XXX: We only do coordinate, normal1 and uv1
mesh.vertexBuffers = [coordinateBuffer, uv1Buffer, normal1Buffer, normal2Buffer] mesh.vertexBuffers = [coordinateBuffer, uv1Buffer, normal1Buffer]
# Create submeshes # Create submeshes
indexArrays = {} # material_index: index array indexArrays = {} # material_index: index array