Crusader_Decomp/map_renderer/src/lib/build-manager.js

955 lines
26 KiB
JavaScript

import crypto from "node:crypto";
import fs from "node:fs";
import path from "node:path";
import sharp from "sharp";
import { TILE_CACHE_ROOT, TILE_SIZE } from "../config.js";
import {
EGG_FAMILIES,
FLAG_INVISIBLE,
FLAG_FLIPPED,
ShapeArchive,
collectRenderItems,
loadGlobs,
loadMapItems,
loadPalette,
loadTypeflags,
resolveStaticFile,
summarizeRenderClasses
} from "./formats.js";
import { blitFrame, encodePng, rgbaBuffer } from "./png.js";
import { prepareSortedItems, projectItemGeometry } from "./sorting.js";
function nowIso() {
return new Date().toISOString();
}
function ensureDir(dirPath) {
fs.mkdirSync(dirPath, { recursive: true });
}
const DOWNLOAD_CACHE_ROOT = path.join(TILE_CACHE_ROOT, "downloads");
const RENDER_CACHE_VERSION = "v2-overlays-as-sprites";
sharp.cache(false);
function normalizeBuildOptions(options = {}) {
return {
includeEditor: options.includeEditor !== false,
includeRoofs: options.includeRoofs === true
};
}
function buildOptionSuffix(options) {
return `${RENDER_CACHE_VERSION}_editor-${options.includeEditor ? "on" : "off"}_roofs-${options.includeRoofs ? "on" : "off"}`;
}
function toHex(value, width = 4) {
return `0x${value.toString(16).padStart(width, "0")}`;
}
function createEmptyProjection() {
return {
projected: [],
invalidItemCount: 0,
invalidItems: []
};
}
function computeBoundsFromNodes(nodes) {
if (!nodes.length) {
return null;
}
let minLeft = Number.MAX_SAFE_INTEGER;
let minTop = Number.MAX_SAFE_INTEGER;
let maxRight = -Number.MAX_SAFE_INTEGER;
let maxBottom = -Number.MAX_SAFE_INTEGER;
for (const node of nodes) {
minLeft = Math.min(minLeft, node.left);
minTop = Math.min(minTop, node.top);
maxRight = Math.max(maxRight, node.right);
maxBottom = Math.max(maxBottom, node.bottom);
}
return {
minLeft,
minTop,
maxRight,
maxBottom,
width: maxRight - minLeft,
height: maxBottom - minTop
};
}
function mergeBounds(boundsList) {
const validBounds = boundsList.filter(Boolean);
if (!validBounds.length) {
return null;
}
const minLeft = Math.min(...validBounds.map((bounds) => bounds.minLeft));
const minTop = Math.min(...validBounds.map((bounds) => bounds.minTop));
const maxRight = Math.max(...validBounds.map((bounds) => bounds.maxRight));
const maxBottom = Math.max(...validBounds.map((bounds) => bounds.maxBottom));
return {
minLeft,
minTop,
maxRight,
maxBottom,
width: maxRight - minLeft,
height: maxBottom - minTop
};
}
function isOverlayItem(item, shapeInfos) {
return item.shape < shapeInfos.length && shapeInfos[item.shape].isEditor;
}
function splitRenderItems(renderItems, shapeInfos, includeEditor) {
if (!includeEditor) {
return {
baseItems: renderItems,
overlayItems: []
};
}
const baseItems = [];
const overlayItems = [];
for (const item of renderItems) {
if (isOverlayItem(item, shapeInfos)) {
overlayItems.push(item);
} else {
baseItems.push(item);
}
}
return {
baseItems,
overlayItems
};
}
function classifyOverlayKind(item, info) {
if ((item.flags & FLAG_INVISIBLE) || info.isOccl || info.isInvitem) {
return "helper";
}
if (EGG_FAMILIES.has(info.family)) {
return "egg";
}
if (info.isRoof) {
return "roof";
}
return "editor";
}
function overlayLabel(kind) {
if (kind === "helper") {
return "Helper Geometry";
}
if (kind === "egg") {
return "Egg Trigger";
}
if (kind === "roof") {
return "Roof Marker";
}
return "Editor Object";
}
function overlayNotes(item, info) {
const notes = [];
if (item.flags & FLAG_INVISIBLE) {
notes.push("invisible-flagged");
}
if (info.isOccl) {
notes.push("occluding-geometry");
}
if (info.isInvitem) {
notes.push("invitem-family");
}
if (EGG_FAMILIES.has(info.family)) {
notes.push("egg-family");
}
if (info.isRoof) {
notes.push("roof-flagged");
}
if (info.isTranslucent) {
notes.push("translucent");
}
return notes;
}
function classifyBaseKind(info) {
if (info.isRoof) {
return "roof";
}
if (info.isOccl || info.isInvitem) {
return "helper";
}
if (info.isLand) {
return "terrain";
}
return "base";
}
function inspectLabel(layer, kind) {
if (layer === "overlay") {
return overlayLabel(kind);
}
if (kind === "roof") {
return "Roof Shape";
}
if (kind === "helper") {
return "Occluding Helper";
}
if (kind === "terrain") {
return "Terrain Shape";
}
return "Map Shape";
}
function serializeInspectableItem(node, minLeft, minTop, id, layer, stackOrder) {
const { item, info, frame } = node;
const kind = layer === "overlay" ? classifyOverlayKind(item, info) : classifyBaseKind(info);
const sceneLeft = node.left - minLeft;
const sceneTop = node.top - minTop;
return {
id,
layer,
stackOrder,
kind,
label: inspectLabel(layer, kind),
family: info.family,
source: item.source,
world: {
x: item.x,
y: item.y,
z: item.z
},
mapNum: item.mapNum,
npcNum: item.npcNum,
nextItem: item.nextItem,
quality: item.quality,
shape: item.shape,
frame: item.frame,
frameSize: {
width: frame.width,
height: frame.height,
xoff: frame.xoff,
yoff: frame.yoff
},
screen: {
left: sceneLeft,
top: sceneTop,
right: node.right - minLeft,
bottom: node.bottom - minTop,
width: node.right - node.left,
height: node.bottom - node.top,
anchorX: Math.trunc(sceneLeft + (node.right - node.left) / 2),
anchorY: node.bottom - minTop
},
flags: {
raw: item.flags,
hex: toHex(item.flags),
invisible: Boolean(item.flags & FLAG_INVISIBLE),
flipped: Boolean(item.flags & FLAG_FLIPPED)
},
traits: {
editor: info.isEditor,
roof: info.isRoof,
occluding: info.isOccl,
translucent: info.isTranslucent,
solid: info.isSolid,
fixed: info.isFixed,
land: info.isLand,
draw: info.isDraw,
invitem: info.isInvitem,
animType: info.animType
},
notes: overlayNotes(item, info)
};
}
function serializeOverlayItem(node, minLeft, minTop, index) {
const { item, info, frame } = node;
const kind = classifyOverlayKind(item, info);
const sceneLeft = node.left - minLeft;
const sceneTop = node.top - minTop;
const screenWidth = node.right - node.left;
const screenHeight = node.bottom - node.top;
return {
id: `${index}:${item.source}:${item.shape}:${item.frame}:${item.x}:${item.y}:${item.z}`,
index,
kind,
label: overlayLabel(kind),
family: info.family,
source: item.source,
world: {
x: item.x,
y: item.y,
z: item.z
},
mapNum: item.mapNum,
npcNum: item.npcNum,
nextItem: item.nextItem,
quality: item.quality,
shape: item.shape,
frame: item.frame,
frameSize: {
width: frame.width,
height: frame.height,
xoff: frame.xoff,
yoff: frame.yoff
},
screen: {
left: sceneLeft,
top: sceneTop,
right: node.right - minLeft,
bottom: node.bottom - minTop,
width: screenWidth,
height: screenHeight,
anchorX: Math.trunc(sceneLeft + screenWidth / 2),
anchorY: node.bottom - minTop
},
flags: {
raw: item.flags,
hex: toHex(item.flags),
invisible: Boolean(item.flags & FLAG_INVISIBLE),
flipped: Boolean(item.flags & FLAG_FLIPPED)
},
traits: {
editor: info.isEditor,
roof: info.isRoof,
occluding: info.isOccl,
translucent: info.isTranslucent,
solid: info.isSolid,
fixed: info.isFixed,
land: info.isLand,
draw: info.isDraw,
invitem: info.isInvitem,
animType: info.animType
},
presentation: {
opacity: kind === "helper" ? 0.5 : info.isTranslucent ? 0.7 : 1
},
notes: overlayNotes(item, info)
};
}
function summarizeOverlayItems(items) {
const kindCounts = {};
const familyCounts = {};
const sourceCounts = {};
for (const item of items) {
kindCounts[item.kind] = (kindCounts[item.kind] ?? 0) + 1;
familyCounts[item.family] = (familyCounts[item.family] ?? 0) + 1;
sourceCounts[item.source] = (sourceCounts[item.source] ?? 0) + 1;
}
const topFamilies = Object.entries(familyCounts)
.sort((left, right) => right[1] - left[1] || Number(left[0]) - Number(right[0]))
.slice(0, 6)
.map(([family, count]) => ({ family: Number(family), count }));
return {
itemCount: items.length,
kindCounts,
sourceCounts,
topFamilies,
helperCount: kindCounts.helper ?? 0
};
}
function makeUsageInfo(gameId, mapId, baseItems, renderItems) {
const itemMapNums = [...new Set(baseItems.map((item) => item.mapNum))].sort((left, right) => left - right);
return {
status: "unknown",
confidence: "unknown",
knownHints: [],
itemMapNums,
nonzeroItemMapNums: itemMapNums.filter((value) => value !== 0),
npcLinkedItemCount: baseItems.filter((item) => item.npcNum !== 0).length,
note: "No authoritative mission-to-map ownership table has been extracted yet. Unknown does not imply orphaned.",
hasRenderableContent: renderItems.length > 0,
game: gameId,
map: mapId
};
}
function buildEmptyMetadata(gameConfig, mapId, baseItems, reason) {
return {
game: gameConfig.id,
gameLabel: gameConfig.label,
map: mapId,
rawItemCount: baseItems.length,
itemCount: 0,
baseRasterItemCount: 0,
overlayItemCount: 0,
paintedItemCount: 0,
occludedItemCount: 0,
invalidItemCount: 0,
invalidItems: [],
overlaySummary: summarizeOverlayItems([]),
usage: makeUsageInfo(gameConfig.id, mapId, baseItems, []),
baseItemSummary: {
roofItems: 0,
editorItems: 0,
eggFamilyItems: 0,
invisibleFlaggedItems: 0,
npcLinkedItems: 0
},
sorter: "scummvm_dependency_graph",
isEmpty: true,
emptyReason: reason,
filters: {
includeEditor: true,
includeRoofs: false
},
bounds: {
screenLeft: 0,
screenTop: 0,
screenRight: TILE_SIZE,
screenBottom: TILE_SIZE,
width: TILE_SIZE,
height: TILE_SIZE
},
tileSize: TILE_SIZE,
tileCountX: 1,
tileCountY: 1,
zoom: {
min: 0.01,
max: 8,
step: 0.1,
initial: 1
}
};
}
export class BuildManager {
constructor(catalog) {
this.catalog = catalog;
this.assetCache = new Map();
this.jobs = new Map();
this.jobsByKey = new Map();
this.tileCache = new Map();
ensureDir(TILE_CACHE_ROOT);
}
listCatalog() {
return this.catalog;
}
getJob(jobId) {
return this.jobs.get(jobId) ?? null;
}
async createOrReuseBuild(gameConfig, mapId, rawOptions = {}) {
const options = normalizeBuildOptions(rawOptions);
const key = `${gameConfig.id}:${mapId}:${buildOptionSuffix(options)}`;
const existing = this.jobsByKey.get(key);
if (existing) {
if (existing.status === "ready" || existing.status === "building") {
return existing;
}
this.jobsByKey.delete(key);
}
const job = {
id: crypto.randomUUID(),
key,
game: gameConfig.id,
mapId,
options,
status: "queued",
phase: "queued",
createdAt: nowIso(),
updatedAt: nowIso(),
progress: [],
error: null,
metadata: null,
build: null
};
this.jobs.set(job.id, job);
this.jobsByKey.set(key, job);
void this.runBuild(job, gameConfig);
return job;
}
async runBuild(job, gameConfig) {
try {
job.status = "building";
job.phase = "loading-assets";
this.touchJob(job, `Loading ${gameConfig.label} assets`);
const assets = this.getAssets(gameConfig);
job.phase = "loading-map";
this.touchJob(job, `Loading map ${job.mapId}`);
const fixedDatPath = resolveStaticFile(gameConfig.staticDir, "FIXED.DAT");
const baseItems = loadMapItems(fixedDatPath, job.mapId);
this.touchJob(job, `Loaded ${baseItems.length} fixed records`);
job.phase = "collecting-items";
const renderItems = collectRenderItems(baseItems, assets.shapeInfos, assets.globs, {
includeEditor: job.options.includeEditor,
expandGlobs: true,
worldRect: null,
includeRoofs: job.options.includeRoofs,
includeHiddenMarkers: true,
checkpointEvery: 2000,
progress: (message) => this.touchJob(job, message)
});
if (!renderItems.length) {
job.build = {
assets,
prepared: [],
overlays: [],
overlayNodes: [],
overlayNodeById: new Map(),
inspectables: [],
minLeft: 0,
minTop: 0,
width: TILE_SIZE,
height: TILE_SIZE
};
job.metadata = buildEmptyMetadata(gameConfig, job.mapId, baseItems, "This map has no renderable items in FIXED.DAT.");
job.metadata.filters = {
includeEditor: job.options.includeEditor,
includeRoofs: job.options.includeRoofs
};
job.status = "ready";
job.phase = "ready";
this.touchJob(job, "Build ready: map is empty, serving a blank placeholder tile");
return;
}
const splitItems = splitRenderItems(renderItems, assets.shapeInfos, job.options.includeEditor);
this.touchJob(
job,
`Split ${splitItems.baseItems.length} base items and ${splitItems.overlayItems.length} overlay items`
);
job.phase = "sorting";
const sorted = splitItems.baseItems.length
? prepareSortedItems(splitItems.baseItems, assets.shapeArchive, assets.shapeInfos, {
checkpointEvery: 2000,
maxInvalidDetails: 20,
progress: (message) => this.touchJob(job, message)
})
: {
minLeft: 0,
minTop: 0,
maxRight: TILE_SIZE,
maxBottom: TILE_SIZE,
prepared: [],
occludedCount: 0,
invalidItemCount: 0,
invalidItems: []
};
const overlayProjection = splitItems.overlayItems.length
? projectItemGeometry(splitItems.overlayItems, assets.shapeArchive, assets.shapeInfos, {
checkpointEvery: 2000,
maxInvalidDetails: 20,
progress: (message) => this.touchJob(job, message)
})
: createEmptyProjection();
if (!sorted.prepared.length && !overlayProjection.projected.length) {
job.build = {
assets,
prepared: [],
overlays: [],
overlayNodes: [],
overlayNodeById: new Map(),
inspectables: [],
minLeft: 0,
minTop: 0,
width: TILE_SIZE,
height: TILE_SIZE
};
job.metadata = buildEmptyMetadata(
gameConfig,
job.mapId,
baseItems,
"This map resolved to no valid shape or frame pairs after decoding."
);
job.metadata.filters = {
includeEditor: job.options.includeEditor,
includeRoofs: job.options.includeRoofs
};
job.status = "ready";
job.phase = "ready";
this.touchJob(job, "Build ready: no valid frames were renderable, serving a blank placeholder tile");
return;
}
const bounds = mergeBounds([
sorted.prepared.length
? {
minLeft: sorted.minLeft,
minTop: sorted.minTop,
maxRight: sorted.maxRight,
maxBottom: sorted.maxBottom,
width: sorted.maxRight - sorted.minLeft,
height: sorted.maxBottom - sorted.minTop
}
: null,
computeBoundsFromNodes(overlayProjection.projected)
]);
if (!bounds || bounds.width <= 0 || bounds.height <= 0) {
throw new Error("Computed image bounds are invalid");
}
const overlays = overlayProjection.projected.map((node, index) =>
serializeOverlayItem(node, bounds.minLeft, bounds.minTop, index)
);
const overlayNodeById = new Map();
for (let index = 0; index < overlays.length; index += 1) {
overlayNodeById.set(overlays[index].id, overlayProjection.projected[index]);
}
const inspectables = [];
for (let index = 0; index < sorted.prepared.length; index += 1) {
const node = sorted.prepared[index];
const stackOrder = node.order >= 0 ? node.order : index;
inspectables.push(
serializeInspectableItem(
node,
bounds.minLeft,
bounds.minTop,
`base:${stackOrder}:${node.item.source}:${node.item.shape}:${node.item.frame}:${node.item.x}:${node.item.y}:${node.item.z}`,
"base",
stackOrder
)
);
}
for (let index = 0; index < overlays.length; index += 1) {
inspectables.push(
serializeInspectableItem(
overlayProjection.projected[index],
bounds.minLeft,
bounds.minTop,
`overlay:${overlays[index].id}`,
"overlay",
sorted.prepared.length + index
)
);
}
inspectables.sort((left, right) => left.stackOrder - right.stackOrder);
const invalidItemCount = sorted.invalidItemCount + overlayProjection.invalidItemCount;
const invalidItems = [...sorted.invalidItems, ...overlayProjection.invalidItems].slice(0, 20);
const metadata = {
game: gameConfig.id,
gameLabel: gameConfig.label,
map: job.mapId,
rawItemCount: baseItems.length,
itemCount: renderItems.length,
baseRasterItemCount: splitItems.baseItems.length,
overlayItemCount: overlays.length,
paintedItemCount: sorted.prepared.length,
occludedItemCount: sorted.occludedCount,
invalidItemCount,
invalidItems,
overlaySummary: summarizeOverlayItems(overlays),
usage: makeUsageInfo(gameConfig.id, job.mapId, baseItems, renderItems),
baseItemSummary: summarizeRenderClasses(baseItems, assets.shapeInfos),
sorter: "scummvm_dependency_graph",
isEmpty: false,
emptyReason: null,
filters: {
includeEditor: job.options.includeEditor,
includeRoofs: job.options.includeRoofs
},
bounds: {
screenLeft: bounds.minLeft,
screenTop: bounds.minTop,
screenRight: bounds.maxRight,
screenBottom: bounds.maxBottom,
width: bounds.width,
height: bounds.height
},
tileSize: TILE_SIZE,
tileCountX: Math.ceil(bounds.width / TILE_SIZE),
tileCountY: Math.ceil(bounds.height / TILE_SIZE),
zoom: {
min: 0.01,
max: 8,
step: 0.1,
initial: 1
}
};
job.build = {
assets,
prepared: sorted.prepared,
overlays,
overlayNodes: overlayProjection.projected,
overlayNodeById,
inspectables,
minLeft: bounds.minLeft,
minTop: bounds.minTop,
width: bounds.width,
height: bounds.height
};
job.metadata = metadata;
job.status = "ready";
job.phase = "ready";
this.touchJob(job, `Build ready with ${metadata.tileCountX}x${metadata.tileCountY} tiles`);
} catch (error) {
job.status = "failed";
job.phase = "failed";
job.error = error instanceof Error ? error.message : String(error);
this.touchJob(job, `Build failed: ${job.error}`);
}
}
getAssets(gameConfig) {
if (this.assetCache.has(gameConfig.id)) {
return this.assetCache.get(gameConfig.id);
}
const assets = {
palette: loadPalette(resolveStaticFile(gameConfig.staticDir, "GAMEPAL.PAL")),
shapeInfos: loadTypeflags(resolveStaticFile(gameConfig.staticDir, "TYPEFLAG.DAT")),
globs: loadGlobs(resolveStaticFile(gameConfig.staticDir, "GLOB.FLX")),
shapeArchive: new ShapeArchive(resolveStaticFile(gameConfig.staticDir, "SHAPES.FLX"))
};
this.assetCache.set(gameConfig.id, assets);
return assets;
}
touchJob(job, message) {
job.updatedAt = nowIso();
job.progress.push({
at: job.updatedAt,
phase: job.phase,
message
});
if (job.progress.length > 100) {
job.progress.splice(0, job.progress.length - 100);
}
}
getPublicJob(job) {
return {
id: job.id,
game: job.game,
mapId: job.mapId,
options: job.options,
status: job.status,
phase: job.phase,
createdAt: job.createdAt,
updatedAt: job.updatedAt,
error: job.error,
metadata: job.status === "ready" ? job.metadata : null,
progress: job.progress
};
}
getMetadata(jobId, gameId, mapId) {
const job = this.requireReadyJob(jobId, gameId, mapId);
return job.metadata;
}
getOverlayData(jobId, gameId, mapId) {
const job = this.requireReadyJob(jobId, gameId, mapId);
return {
items: job.build.overlays,
summary: job.metadata.overlaySummary
};
}
getInspectData(jobId, gameId, mapId) {
const job = this.requireReadyJob(jobId, gameId, mapId);
return {
items: job.build.inspectables
};
}
async renderOverlaySprite(jobId, gameId, mapId, overlayId, format = "webp") {
const job = this.requireReadyJob(jobId, gameId, mapId);
const overlay = job.build.overlays.find((item) => item.id === overlayId);
const node = job.build.overlayNodeById.get(overlayId);
if (!overlay || !node) {
throw new Error("Unknown overlay id");
}
const extension = format === "png" ? "png" : "webp";
const spritePath = path.join(
TILE_CACHE_ROOT,
gameId,
`map-${mapId}`,
buildOptionSuffix(job.options),
"overlays",
`${overlay.index}.${extension}`
);
if (fs.existsSync(spritePath)) {
return fs.readFileSync(spritePath);
}
const spriteWidth = Math.max(1, overlay.screen.width);
const spriteHeight = Math.max(1, overlay.screen.height);
const buffer = rgbaBuffer(spriteWidth, spriteHeight, [0, 0, 0, 0]);
blitFrame(
buffer,
spriteWidth,
spriteHeight,
0,
0,
node.frame,
node.pixels,
job.build.assets.palette,
Boolean(node.item.flags & FLAG_FLIPPED)
);
let output;
if (format === "png") {
output = encodePng(spriteWidth, spriteHeight, buffer);
} else {
output = await sharp(buffer, {
raw: {
width: spriteWidth,
height: spriteHeight,
channels: 4
},
limitInputPixels: false
})
.webp({ lossless: true, effort: 4 })
.toBuffer();
}
ensureDir(path.dirname(spritePath));
fs.writeFileSync(spritePath, output);
return output;
}
async renderFullMap(jobId, gameId, mapId) {
const job = this.requireReadyJob(jobId, gameId, mapId);
const outputPath = path.join(
DOWNLOAD_CACHE_ROOT,
gameId,
`map-${mapId}`,
`${gameId}-map-${mapId}-${buildOptionSuffix(job.options)}.png`
);
if (fs.existsSync(outputPath)) {
return outputPath;
}
ensureDir(path.dirname(outputPath));
const composites = [];
for (let tileY = 0; tileY < job.metadata.tileCountY; tileY += 1) {
for (let tileX = 0; tileX < job.metadata.tileCountX; tileX += 1) {
composites.push({
input: await this.renderTile(jobId, gameId, mapId, tileX, tileY, "png"),
left: tileX * job.metadata.tileSize,
top: tileY * job.metadata.tileSize
});
}
}
await sharp({
create: {
width: job.metadata.bounds.width,
height: job.metadata.bounds.height,
channels: 4,
background: { r: 10, g: 12, b: 18, alpha: 1 }
},
limitInputPixels: false
})
.composite(composites)
.png()
.toFile(outputPath);
return outputPath;
}
async renderTile(jobId, gameId, mapId, tileX, tileY, format = "webp") {
const job = this.requireReadyJob(jobId, gameId, mapId);
const tileKey = `${job.id}:${format}:${tileX}:${tileY}`;
if (this.tileCache.has(tileKey)) {
return this.tileCache.get(tileKey);
}
const extension = format === "png" ? "png" : "webp";
const tilePath = path.join(
TILE_CACHE_ROOT,
gameId,
`map-${mapId}`,
buildOptionSuffix(job.options),
`${tileX}-${tileY}.${extension}`
);
if (fs.existsSync(tilePath)) {
const cached = fs.readFileSync(tilePath);
this.tileCache.set(tileKey, cached);
return cached;
}
const tileLeft = tileX * TILE_SIZE;
const tileTop = tileY * TILE_SIZE;
const tileWidth = Math.max(0, Math.min(TILE_SIZE, job.build.width - tileLeft));
const tileHeight = Math.max(0, Math.min(TILE_SIZE, job.build.height - tileTop));
if (tileWidth <= 0 || tileHeight <= 0) {
throw new Error("Requested tile is outside the rendered map bounds");
}
const buffer = rgbaBuffer(tileWidth, tileHeight);
const screenLeft = job.build.minLeft + tileLeft;
const screenTop = job.build.minTop + tileTop;
const screenRight = screenLeft + tileWidth;
const screenBottom = screenTop + tileHeight;
for (const node of job.build.prepared) {
if (node.right <= screenLeft || node.left >= screenRight || node.bottom <= screenTop || node.top >= screenBottom) {
continue;
}
blitFrame(
buffer,
tileWidth,
tileHeight,
node.left - screenLeft,
node.top - screenTop,
node.frame,
node.pixels,
job.build.assets.palette,
Boolean(node.item.flags & FLAG_FLIPPED)
);
}
let output;
if (format === "png") {
output = encodePng(tileWidth, tileHeight, buffer);
} else {
output = await sharp(buffer, {
raw: {
width: tileWidth,
height: tileHeight,
channels: 4
},
limitInputPixels: false
})
.webp({ lossless: true, effort: 4 })
.toBuffer();
}
ensureDir(path.dirname(tilePath));
fs.writeFileSync(tilePath, output);
this.tileCache.set(tileKey, output);
return output;
}
requireReadyJob(jobId, gameId, mapId) {
const job = this.getJob(jobId);
if (!job) {
throw new Error("Unknown build id");
}
if (job.game !== gameId || job.mapId !== mapId) {
throw new Error("Build id does not match the requested map");
}
if (job.status !== "ready") {
throw new Error("Build is not ready yet");
}
return job;
}
}