airkjw
0210c14858
PCG32 seeded RNG; immutable 8x8 GridState with occupancy bitmask; placement legality + anyPlacementExists; simultaneous row/col clears with single-count gem credit; combo scoring with one-move grace; weighted-bag generator with pity bias and depth-3 solvability nudge. All TDD, 51 tests green. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
28 lines
640 B
Dart
28 lines
640 B
Dart
/// A polyomino with fixed orientation (no rotation at play time, genre
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/// convention). Offsets are normalized cell positions relative to the
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/// top-left anchor.
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class Piece {
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const Piece({
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required this.id,
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required this.offsets,
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required this.colorId,
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this.weight = 1.0,
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this.tier = 1,
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});
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final String id;
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final List<(int, int)> offsets;
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final int colorId;
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/// Base draw weight; stage generator profiles scale this.
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final double weight;
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/// Difficulty tier 1 (easy to fit) .. 3 (demanding).
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final int tier;
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int get size => offsets.length;
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@override
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String toString() => 'Piece($id)';
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}
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