paula/bworld
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Lighting system

Browse Source
This commit is contained in:
paula
2026-09-25 15:40:09 -03:00
parent 25f8c683bb
commit 4539898c58
12 changed files with 634 additions and 349 deletions
Download Patch File Download Diff File Expand all files Collapse all files
client/components/dimension.ts
+56 -52
View File
@@ -1,13 +1,20 @@
import { Component } from "$/common/ecs/mod.ts";
import { block_value, chunk_key, default_block_value } from "$/common/utils.ts";
import { AIR_ID, BlockChange } from "$/common/protocol.ts";
import { BlockRegistry, EverythingRegistry, RENDER_LAYERS, RenderLayer } from "$/common/everything_registry.ts";
import {
block_light_emission,
block_light_opacity,
BlockRegistry,
EverythingRegistry,
RENDER_LAYERS,
RenderLayer,
} from "$/common/everything_registry.ts";
import { AIR, CHUNK_AREA, CHUNK_HEIGHT, CHUNK_SIZE, Faces, ID_MASK, VOID } from "../../common/constants.ts";
import { AssetManager } from "../assets.ts";
import { ClientWorld } from "../client_world.ts";
import { ChunkWorkerPool } from "../chunk_workers.ts";
import { worldgen_mods } from "../mods.ts";
import type { FromChunkWorker } from "../workers/chunk_messages.ts";
import { type FromChunkWorker, TERRAIN_VERTEX_FLOATS } from "../workers/chunk_messages.ts";
import { create_index_buffer, create_vertex_buffer, destroy_buffer, Texture } from "../renderer/mod.ts";
import { crosses_planes } from "../workers/translucent_sort.ts";
import { Camera } from "./camera.ts";
@@ -53,11 +60,13 @@ interface TranslucentSort {
applied: number;
}
const FLOATS_PER_QUAD = 4 * 9;
const FLOATS_PER_QUAD = 4 * TERRAIN_VERTEX_FLOATS;
export { chunk_key };
const NEIGHBOR_OFFSETS = [[-1, 0], [1, 0], [0, -1], [0, 1]] as const;
// light spreads diagonally too, so meshing and lighting need all 8
const ALL_NEIGHBOR_OFFSETS = [...NEIGHBOR_OFFSETS, [-1, -1], [1, -1], [-1, 1], [1, 1]] as const;
export class Dimension extends Component {
world: ClientWorld;
@@ -71,6 +80,7 @@ export class Dimension extends Component {
changes = new Map<string, Map<string, BlockChange>>();
workers: ChunkWorkerPool;
#blocks = EverythingRegistry.get_registry<BlockRegistry>("blocks");
// chunks being generated by a worker, by chunk key
pending_generation = new Map<number, { x: number; z: number }>();
@@ -140,9 +150,10 @@ export class Dimension extends Component {
const index = ly * CHUNK_SIZE * CHUNK_SIZE + lz * CHUNK_SIZE + lx;
const old_nid = chunk.blocks[index] & ID_MASK;
chunk.blocks[index] = state === undefined ? default_block_value(nid, info) : block_value(nid, state);
chunk.dirty = true;
this.#mark_border_neighbors_dirty(block_chunk_x, block_chunk_z, lx, lz);
this.#mark_neighbors_dirty(block_chunk_x, block_chunk_z, lx, lz, old_nid, nid);
}
// the id with its state bits, VOID outside loaded chunks
@@ -190,13 +201,37 @@ export class Dimension extends Component {
const ly = y;
const index = ly * CHUNK_SIZE * CHUNK_SIZE + lz * CHUNK_SIZE + lx;
const old_nid = chunk.blocks[index] & ID_MASK;
chunk.blocks[index] = AIR;
chunk.dirty = true;
this.#mark_border_neighbors_dirty(block_chunk_x, block_chunk_z, lx, lz);
this.#mark_neighbors_dirty(block_chunk_x, block_chunk_z, lx, lz, old_nid, AIR);
}
// a block on a chunk's edge changes which faces its neighbor shows
#mark_border_neighbors_dirty(block_chunk_x: number, block_chunk_z: number, lx: number, lz: number) {
// a block that lets through or gives off a different amount of light changes the light up to 15 blocks
// away, so in every neighbor. otherwise only a block on a chunk's edge matters, for its neighbor's faces
#mark_neighbors_dirty(
block_chunk_x: number,
block_chunk_z: number,
lx: number,
lz: number,
old_nid: number,
new_nid: number,
) {
const old_block = this.#blocks[old_nid];
const new_block = this.#blocks[new_nid];
if (
block_light_opacity(old_block) !== block_light_opacity(new_block) ||
block_light_emission(old_block) !== block_light_emission(new_block)
) {
for (const [dx, dz] of ALL_NEIGHBOR_OFFSETS) {
const n = this.get_chunk(block_chunk_x + dx, block_chunk_z + dz);
if (n) {
n.dirty = true;
}
}
return;
}
if (lx === 0) {
const n = this.get_chunk(block_chunk_x - 1, block_chunk_z);
if (n) {
@@ -301,13 +336,13 @@ export class Dimension extends Component {
this.chunks.delete(key);
}
// a chunk is only meshed once all its neighbors exist, otherwise its border faces would be wrong
// and it would have to be meshed again as each neighbor loads
// a chunk is only meshed once all its neighbors exist, otherwise its border faces and light would be
// wrong and it would have to be meshed again as each neighbor loads
can_mesh(chunk: Chunk) {
if (!chunk.generated) {
return false;
}
for (const [dx, dz] of NEIGHBOR_OFFSETS) {
for (const [dx, dz] of ALL_NEIGHBOR_OFFSETS) {
if (!this.is_generated(chunk.x + dx, chunk.z + dz)) {
return false;
}
@@ -323,15 +358,21 @@ export class Dimension extends Component {
}
chunk.dirty = false;
chunk.mesh_version += 1;
const padded_chunk = this.create_padded_chunk(chunk);
// copies, the worker lights the whole 3x3 area
const chunks: (Uint32Array | null)[] = [];
for (let dz = -1; dz <= 1; dz++) {
for (let dx = -1; dx <= 1; dx++) {
chunks.push(this.get_chunk(chunk.x + dx, chunk.z + dz)?.blocks.slice() ?? null);
}
}
this.workers.post({
type: "mesh",
chunk_x: chunk.x,
chunk_z: chunk.z,
version: chunk.mesh_version,
padded_chunk,
chunks,
camera: [camera.x, camera.y, camera.z],
}, [padded_chunk.buffer]);
}, chunks.filter((blocks) => blocks !== null).map((blocks) => blocks.buffer));
}
}
@@ -394,7 +435,7 @@ export class Dimension extends Component {
this.#set_block_raw(spills[i], spills[i + 1], spills[i + 2], spills[i + 3]);
}
for (const [dx, dz] of NEIGHBOR_OFFSETS) {
for (const [dx, dz] of ALL_NEIGHBOR_OFFSETS) {
const neighbor = this.get_chunk(cx + dx, cz + dz);
if (neighbor && neighbor.generated) {
neighbor.dirty = true;
@@ -476,6 +517,7 @@ export class Dimension extends Component {
if (chunk.blocks[index] === AIR) {
chunk.blocks[index] = nid;
chunk.dirty = true;
this.#mark_neighbors_dirty(chunk_x, chunk_z, lx, lz, AIR, nid & ID_MASK);
}
}
@@ -557,44 +599,6 @@ export class Dimension extends Component {
return undefined;
}
create_padded_chunk(chunk: Chunk) {
const size = CHUNK_SIZE + 2;
const layer = size * size;
const padded = new Uint32Array(layer * CHUNK_HEIGHT);
// look the 3x3 chunks up once instead of once per border block
const around: (Uint32Array | undefined)[] = [];
for (let dz = -1; dz <= 1; dz++) {
for (let dx = -1; dx <= 1; dx++) {
around.push(this.get_chunk(chunk.x + dx, chunk.z + dz)?.blocks);
}
}
for (let z = -1; z <= CHUNK_SIZE; z++) {
const dz = z < 0 ? -1 : z >= CHUNK_SIZE ? 1 : 0;
const lz = z - dz * CHUNK_SIZE;
for (let x = -1; x <= CHUNK_SIZE; x++) {
const dx = x < 0 ? -1 : x >= CHUNK_SIZE ? 1 : 0;
const lx = x - dx * CHUNK_SIZE;
const source = around[(dz + 1) * 3 + (dx + 1)];
const source_index = lz * CHUNK_SIZE + lx;
const padded_index = (z + 1) * size + (x + 1);
if (!source) {
for (let y = 0; y < CHUNK_HEIGHT; y++) {
padded[y * layer + padded_index] = VOID;
}
continue;
}
for (let y = 0; y < CHUNK_HEIGHT; y++) {
padded[y * layer + padded_index] = source[y * CHUNK_AREA + source_index] & ID_MASK;
}
}
}
return padded;
}
}
// functions cant be sent to workers