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Diagonal tubes as thick as straight ones, with centred elbows where they join (t35)

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
44r0n7
2026-10-25 22:40:52 -04:00
co-authored by Claude Opus 5.5
parent 814b51df46
commit 24eb9559f8
8 changed files with 171 additions and 44 deletions
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test/t_diag_tubes.js
+14 -2
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@@ -168,8 +168,19 @@ for(const [dx,dy,v] of [[5,-4,4],[4,5,5],[-5,4,6],[-4,-5,7]]) {
check(`a diagonal drag picks direction ${v}`,run(`dragDirFor(PIECE_BY_ID.tube,{bx:20,by:20},{bx:${20+dx},by:${20+dy}})`)===v);
check(`direction ${v} lays a corner-touching diagonal run`,run(`blockLine(20,20,${20+dx},${20+dy},true).every(([x,y],k)=>x===20+k*${Math.sign(dx)} && y===20+k*${Math.sign(dy)})`));
}
// The drawing can bridge a joint only in unoccupied air; transport parts stay square.
// End elbows follow the adjoining straight piece's axis, regardless of flow direction.
run(fs.readFileSync('src/render/world.js', 'utf8'));
for (const v of [4,5,6,7]) for (let dir=0;dir<4;dir++) for (const code of ['BP_TUBE','BP_BELT','BP_FILTER']) {
if (code !== 'BP_TUBE' && !(dir & 1)) continue;
fresh();
const [dx,dy]=run(`TUBE_DIRS[${dir}]`);
run(`placeBlock(BP_TUBE,${v},20,20,true);placeBlock(${code},${dir},${20+dx},${20+dy},true);`);
const end = dx ? dx>0 : (v===4 || v===6 ? dy<0 : dy>0);
check(`diagonal ${v} bends toward ${code} direction ${dir}`,run(`(diagonalTubeJoins(20,20,${v}) >> ${end?3:0} & 7)`)===dir+1);
check(`planned ${code} direction ${dir} bends the diagonal ${v} ghost too`,run(`(()=>{removeBlock(${20+dx},${20+dy});const planned=new Map([[${20+dy}*BW+${20+dx},[${code},${dir}]]]);const j=diagonalTubeJoins(20,20,${v},planned);placeBlock(${code},${dir},${20+dx},${20+dy},true);return (j >> ${end?3:0} & 7)===${dir+1};})()`));
check(`diagonal ${v} meets ${code} direction ${dir} across its centred edge`,run(`(()=>{const b=20*BW+20,j=diagonalTubeJoins(20,20,${v});return [0.5,1.5,2.5,3.5].every(t=>diagonalTubeShape(${dx ? 82+dx*1.99 : '80+t'},${dy ? 82+dy*1.99 : '80+t'},b,${v},j)<=0);})()`));
}
// The drawing can bridge a joint only in unoccupied air; transport parts stay square.
for (const v of [4,5,6,7]) {
flatWorld(run,240,192,176);
const rising = v===4 || v===6;
@@ -179,7 +190,8 @@ for (const v of [4,5,6,7]) {
for(const obstacle of ['mat[j]=STONE','mat[j]=SAND','part[j]=P_PIPE','mach[j]=1','occ[j]=1','blockP[(j/W>>2)*BW+(j%W>>2)]=BP_WALL']) {
check(`diagonal ${v} leaves ${obstacle} visible`,run(`(()=>{const j=${y}*W+${x};${obstacle};const hidden=diagonalTubeBlock(${x},${y},true);mat[j]=EMPTY;part[j]=0;mach[j]=0;occ[j]=0;blockP[(${y}>>2)*BW+(${x}>>2)]=0;return hidden<0;})()`));
}
check(`diagonal ${v} keeps its continuation uncapped`,run(`(diagonalTubeJoins(20,20,${v}) & 128)===0 && (diagonalTubeJoins(21,${rising ? 19 : 21},${v}) & 64)===0`));
run(`removeBlock(21,${rising ? 19 : 21});`);
check(`diagonal ${v} has no stray corner after its end`,run(`diagonalTubeBlock(${x},${y},false)===-1`));
check(`diagonal ${v} has no stray corner after its end`,run(`diagonalTubeBlock(${x+1},${rising ? y-1 : y+1},false)===-1`));
}
done();