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24 lines
1.4 KiB
Python
24 lines
1.4 KiB
Python
"""Generate three original test triangles, without reading any game assets.
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Run from the repository root. The fixture covers float, 16-bit offset and
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32-bit integer vertex encodings; its IDs and edge flags are test values.
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"""
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import struct
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from pathlib import Path
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records=[]
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for mode in range(3):
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c=bytearray(96);struct.pack_into('>HHH',c,0,1,11,4);struct.pack_into('>H',c,8,96);c[10]=3;c[12]=mode
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points=[(mode*40,0,0),(mode*40,0,4),(mode*40+4,0,0)]
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if mode==0:
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for i,p in enumerate(points):struct.pack_into('>4f',c,16+i*16,*(v*.25 for v in p),0)
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elif mode==1:
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struct.pack_into('>3i',c,16,mode*40,0,0)
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for i,p in enumerate(points):struct.pack_into('>3h',c,28+i*6,p[0]-mode*40,p[1],p[2])
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else:
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for i,p in enumerate(points):struct.pack_into('>3i',c,16+i*12,*p)
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c[80:91]=bytes([0xe1,0,1,2,0x20,0x42,0x9a,0x34,0x12,0x21,0x43])
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m=bytearray(160);struct.pack_into('>3f',m,0,mode*10,0,0);struct.pack_into('>3f',m,16,mode*10+1,0,1)
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struct.pack_into('>I',m,40,1);struct.pack_into('>II',m,48,96,144);struct.pack_into('>fHBBI',m,56,.25,0x10,2,2,1);struct.pack_into('>I',m,80,256);struct.pack_into('>I',m,144,160);m+=c
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name=f'compression-{mode}'.encode();records.append(struct.pack('<I',len(name))+name+struct.pack('<I',len(m))+m)
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p=Path('crates/skate-data/tests/fixtures/retail-collision.rwcmset');p.parent.mkdir(parents=True,exist_ok=True);p.write_bytes(b'RWCMSET1'+struct.pack('<I',3)+b''.join(records))
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