29 lines
2.3 KiB
JavaScript
29 lines
2.3 KiB
JavaScript
// Fog: surface, sight, range, saves and simulation independence.
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const { load, suite, flatWorld, rect, ticks } = require('./harness');
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const { run } = load(), { check, done } = suite();
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run('generateWorld(4242, 512, 384, null)');
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check('sky and surface start seen', run('fogSeen(20, 0) >= 200 && fogSeen(20, surfY[20]) >= 200'));
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check('deep ground starts unseen', run('fogSeen(20, surfY[20] + 60) === 0'));
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flatWorld(run, 256, 256, 40);
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rect(run, 40, 100, 140, 110, run('EMPTY'));
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rect(run, 40, 125, 140, 135, run('EMPTY'));
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run('bot.x = 60; bot.y = 102; fogLook(62.5, 104.5)');
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check('open pocket is visible', run('fogSeen(82, 104) >= 200'));
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check('sense test points are rock', run('mat[117 * W + 62] === STONE && mat[122 * W + 62] === STONE'));
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check('nearby rock is clearly seen through the floor', run('fogSeen(62, 117) >= 200'));
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check('rock near the sense edge is seen', run('fogSeen(62, 122) > 0'));
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check('outer sense band softly reveals rock', run('mat[124 * W + 70] === STONE && fogSeen(70, 124) > 0 && fogSeen(70, 124) < 128'));
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check('rock hides separate pocket', run('fogSeen(62, 130) === 0'));
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check('one look has limited range', run('fogSeen(124, 104) === 0'));
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check('fog only increases', run('(()=>{const f = fog.slice(); fogLook(90,104); return f.every((v,i)=>fog[i]>=v)})()'));
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check('save/load keeps fog', run('(()=>{fogLook(bot.x+bot.w/2,bot.y+bot.h/2);const s=serializeWorld(), f=fog.slice();deserializeWorld(s.meta,s.buffers);return f.every((v,i)=>fog[i]===v)})()'));
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rect(run, 200, 160, 203, 163, run('EMPTY'));
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run('placeBlock(BP_WALL, RSTONE, 50, 40, true)');
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check('old save rebuilds exploration', run('(()=>{const s=serializeWorld();delete s.buffers.fog;deserializeWorld(s.meta,s.buffers);return fogSeen(62,104)>=200 && fogSeen(202,162)===255 && fogSeen(20,220)===0})()'));
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check('wrong length fog rebuilds exploration', run('(()=>{const s=serializeWorld();s.buffers.fog=new Uint8Array(1);deserializeWorld(s.meta,s.buffers);return fogSeen(202,162)===255})()'));
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const hash = () => run('mat.reduce((h,v)=>Math.imul(h^v,16777619)>>>0,2166136261)');
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run('generateWorld(42, 256, 256, null)'); ticks(run, 300); const h = hash();
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run('generateWorld(42, 256, 256, null); fogLook = function () {}'); ticks(run, 300);
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check('fog leaves simulation unchanged', hash() === h);
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done();
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