Emil
c7e86663d8
MVP checks / mvp (push) Canceled after 0s
Add shared Rust/WASM physics, worker meshing and diagnostics, 64-chunk full-height streaming, atlas texture support, and baseline world import. Document the current implementation and include the supplied in-game lobby screenshot.
31 lines
1.5 KiB
JavaScript
31 lines
1.5 KiB
JavaScript
export const MIN_VIEW_DISTANCE = 2;
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export const DEFAULT_VIEW_DISTANCE = 3;
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export const MAX_VIEW_DISTANCE = 64;
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export const WORLD_MIN_Y = -64;
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export const WORLD_MAX_Y = 319;
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export const VIEW_HEIGHT = WORLD_MAX_Y - WORLD_MIN_Y + 1;
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export const VIEW_BUFFER = 1;
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export const MAX_VIEW_WIDTH = ((MAX_VIEW_DISTANCE + VIEW_BUFFER) * 2 + 1) * 16;
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export const MAX_VIEW_CELLS = MAX_VIEW_WIDTH ** 2 * VIEW_HEIGHT;
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// Lighting uses local windows; raising render distance must not allocate a
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// multi-gigabyte dense light volume.
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export const MAX_LIGHT_CELLS = 304 ** 2 * 80;
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export const MAX_VIEW_COORDINATE = 30_000_000 + (MAX_VIEW_DISTANCE + VIEW_BUFFER) * 16;
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export function normalizeViewDistance(value) {
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const distance = Number(value);
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return Number.isInteger(distance) && distance >= MIN_VIEW_DISTANCE && distance <= MAX_VIEW_DISTANCE
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? distance : DEFAULT_VIEW_DISTANCE;
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}
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export function viewDistanceProfile(value) {
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const chunks = normalizeViewDistance(value), width = (chunks * 2 + 1) * 16;
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const drawRadius = Math.SQRT2 * chunks * 16 + 24;
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const verticalSections = VIEW_HEIGHT / 16;
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return { chunks, radius: chunks * 16, width, sections: (chunks * 2 + 1) ** 2 * verticalSections,
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voxelBytes: width * width * VIEW_HEIGHT * 4,
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streamWidth: width + VIEW_BUFFER * 32, streamSections: (chunks * 2 + 1 + VIEW_BUFFER * 2) ** 2 * verticalSections,
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streamVoxelBytes: (width + VIEW_BUFFER * 32) ** 2 * VIEW_HEIGHT * 4, drawRadius,
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farClip: Math.max(190, drawRadius + 60), fogDistance: 78 * chunks / DEFAULT_VIEW_DISTANCE };
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}
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