Improve webUI loading speed with 512x512 tiles, still corrupted looking

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Danielv123 committed 2025-08-10 00:28:48 +02:00
1 parent e9a4627118
commit c62eae0009
2 files changed
+130 -129

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+129 -129
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@@ -9,23 +9,18 @@ import * as fs from "fs-extra";
import * as path from "path";
import sharp from "sharp";
const TILE_SIZE = 512;
const CHUNK_SIZE = 32;
interface PixelUpdate {
x: number;
y: number;
rgba: [number, number, number, number];
}
export class ControllerPlugin extends BaseControllerPlugin {
private tilesPath: string = "";
private fileLocks = new Map<string, Promise<void>[]>();
private pendingUpdates = new Map<string, Set<PixelUpdate>>();
// Set to true if colors appear inverted - this will try big-endian byte order
private useBigEndian: boolean = false;
async init() {
this.tilesPath = path.resolve(
this.controller.config.get("controller.database_directory"),
"minimap_tiles"
"minimap_chunks"
);
await fs.ensureDir(this.tilesPath);
@@ -37,50 +32,100 @@ export class ControllerPlugin extends BaseControllerPlugin {
this.setupTileRoutes();
}
// Convert RGB565 to RGB888 values
// Convert RGB565 to RGB888 values using Factorio's exact method
private rgb565ToRgb888(rgb565Value: number): [number, number, number] {
const r = Math.floor(((rgb565Value >> 11) & 0x1F) * 255 / 31);
const g = Math.floor(((rgb565Value >> 5) & 0x3F) * 255 / 63);
const b = Math.floor((rgb565Value & 0x1F) * 255 / 31);
// This matches ByteColor(uint16_t rgb5) constructor in Factorio source
const r = ((rgb565Value >> 11) & 0x1F) << 3; // 5 bits -> 8 bits
const g = ((rgb565Value >> 5) & 0x3F) << 2; // 6 bits -> 8 bits
const b = (rgb565Value & 0x1F) << 3; // 5 bits -> 8 bits
return [r, g, b];
}
private setupTileRoutes() {
const app = this.controller.app;
// Create black placeholder image
const createBlackImage = async () => {
// Create black placeholder image for 512x512 tiles
const createBlackTile = async () => {
return await sharp({
create: {
width: 256,
height: 256,
width: 512,
height: 512,
channels: 4,
background: { r: 0, g: 0, b: 0, alpha: 0 },
},
}).png().toBuffer();
};
// Serve chart tiles with surface and force support
// Serve chart tiles with surface and force support - now serving 512x512 tiles
app.get("/api/minimap/chart/:surface/:force/:z/:x/:y.png", async (req, res) => {
try {
const { surface, force, z, x, y } = req.params;
const filename = `${surface}_${force}_z${z}x${x}y${y}.png`;
const filePath = path.resolve(this.tilesPath, filename);
const tileX = parseInt(x);
const tileY = parseInt(y);
if (await fs.pathExists(filePath)) {
const file = await fs.readFile(filePath);
// Each 512x512 tile contains 16x16 chunks of 32x32 pixels
const chunksPerTile = 16;
const tileSize = 512;
// Calculate the range of 32x32 chunks that make up this 512x512 tile
const startChunkX = tileX * chunksPerTile;
const startChunkY = tileY * chunksPerTile;
const endChunkX = startChunkX + chunksPerTile;
const endChunkY = startChunkY + chunksPerTile;
// Create a 512x512 canvas
const canvas = sharp({
create: {
width: tileSize,
height: tileSize,
channels: 4,
background: { r: 0, g: 0, b: 0, alpha: 0 },
},
});
// Load all the 32x32 chunks and composite them
const compositeImages = [];
let chunksFound = 0;
for (let chunkY = startChunkY; chunkY < endChunkY; chunkY++) {
for (let chunkX = startChunkX; chunkX < endChunkX; chunkX++) {
const filename = `${surface}_${force}_${chunkX*32}_${chunkY*32}.png`;
const filePath = path.resolve(this.tilesPath, filename);
if (await fs.pathExists(filePath)) {
const relativeX = (chunkX - startChunkX) * CHUNK_SIZE;
const relativeY = (chunkY - startChunkY) * CHUNK_SIZE;
compositeImages.push({
input: filePath,
left: relativeX,
top: relativeY,
});
chunksFound++;
}
}
}
if(chunksFound > 0) {
this.logger.info(`Tile ${tileX},${tileY}: Found ${chunksFound} chunks, chunk range: ${startChunkX}-${endChunkX-1}, ${startChunkY}-${endChunkY-1}`);
}
// If we have any chunks to composite, create the merged image
if (compositeImages.length > 0) {
const mergedImage = await canvas.composite(compositeImages).png().toBuffer();
res.setHeader("Content-Type", "image/png");
res.send(file);
res.send(mergedImage);
} else {
const blackImage = await createBlackImage();
// No chunks found, return black tile
res.setHeader("Content-Type", "image/png");
res.send(blackImage);
res.send(await createBlackTile());
}
} catch (err) {
this.logger.error(`Error serving chart tile: ${err}`);
const blackImage = await createBlackImage();
// Return black tile on error
res.setHeader("Content-Type", "image/png");
res.send(blackImage);
res.send(await createBlackTile());
}
});
@@ -129,125 +174,80 @@ export class ControllerPlugin extends BaseControllerPlugin {
return;
}
const size = 32;
const [originX, originY] = position;
const updates = new Map<string, Set<PixelUpdate>>();
const [chunkX, chunkY] = position;
// Process each surface/force combination
for (const chart of chartData) {
const { surface, force, chart_data } = chart;
// Process each pixel in the 32x32 chunk
for (let i = 0; i < chart_data.length; i += 2) {
const byte1 = chart_data.charCodeAt(i);
const byte2 = chart_data.charCodeAt(i + 1);
if (isNaN(byte1) || isNaN(byte2)) {
continue;
}
const rgb565Value = byte1 + (byte2 << 8);
const [r, g, b] = this.rgb565ToRgb888(rgb565Value);
// Calculate pixel position within the chunk
const pixelIndex = i / 2;
const x = pixelIndex % size;
const y = Math.floor(pixelIndex / size);
const worldX = originX + x;
const worldY = originY + y;
// Calculate which tile this pixel belongs to
const tileX = Math.floor(worldX / TILE_SIZE) + (worldX < 0 ? -1 : 0);
const tileY = Math.floor(worldY / TILE_SIZE) + (worldY < 0 ? -1 : 0);
// Use surface and force in the filename for differentiation
const filename = `${surface}_${force}_z10x${tileX}y${tileY}.png`;
if (!updates.has(filename)) {
updates.set(filename, new Set());
}
updates.get(filename)!.add({
x: ((worldX % TILE_SIZE) + TILE_SIZE) % TILE_SIZE,
y: ((worldY % TILE_SIZE) + TILE_SIZE) % TILE_SIZE,
rgba: [r, g, b, 255], // Full alpha for chart data
});
}
}
// Apply updates to tiles
for (const [filename, pixels] of updates) {
await this.updateTileImage(filename, pixels);
// Create filename for this chunk
const filename = `${surface}_${force}_${chunkX}_${chunkY}.png`;
// Process the 32x32 chunk directly
await this.saveChunkImage(filename, chart_data);
}
}
private async updateTileImage(filename: string, pixels: Set<PixelUpdate>) {
private async saveChunkImage(filename: string, chartData: string) {
const imagePath = path.resolve(this.tilesPath, filename);
// Handle file locking to prevent concurrent writes
if (!this.fileLocks.has(imagePath)) {
this.fileLocks.set(imagePath, []);
}
const locks = this.fileLocks.get(imagePath)!;
if (locks.length > 0) {
await Promise.all(locks);
}
const updatePromise = this.performTileUpdate(imagePath, pixels);
locks.push(updatePromise);
try {
await updatePromise;
} finally {
const index = locks.indexOf(updatePromise);
if (index > -1) {
locks.splice(index, 1);
// Create raw image buffer for 32x32 RGBA
const raw = Buffer.alloc(CHUNK_SIZE * CHUNK_SIZE * 4);
// Convert string to proper binary buffer first
const binaryBuffer = Buffer.from(chartData, 'latin1'); // or 'latin1'
const dataLength = Math.min(binaryBuffer.length, CHUNK_SIZE * CHUNK_SIZE * 2);
this.logger.info(`Processing chunk ${filename}, buffer length: ${binaryBuffer.length}, expected: ${CHUNK_SIZE * CHUNK_SIZE * 2}`);
for (let i = 0; i < dataLength; i += 2) {
// Read bytes properly from binary buffer
const byte1 = binaryBuffer[i];
const byte2 = binaryBuffer[i + 1];
if (byte1 === undefined || byte2 === undefined) {
continue;
}
if (locks.length === 0) {
this.fileLocks.delete(imagePath);
// Choose endianness based on flag
const rgb565Value = this.useBigEndian ?
(byte1 << 8) + byte2 : // Big-endian: byte1 is high byte
byte1 + (byte2 << 8); // Little-endian: byte1 is low byte
const [r, g, b] = this.rgb565ToRgb888(rgb565Value);
// Debug first few pixels
if (i < 10) {
this.logger.info(`Pixel ${i/2}: bytes[${byte1.toString(16)}, ${byte2.toString(16)}] -> RGB565: 0x${rgb565Value.toString(16)} -> RGB[${r}, ${g}, ${b}]`);
}
// Calculate pixel position within the chunk
const pixelIndex = i / 2;
const x = pixelIndex % CHUNK_SIZE;
const y = Math.floor(pixelIndex / CHUNK_SIZE);
// Set pixel in raw buffer (RGBA order - Sharp expects this)
const bufferIndex = pixelIndex * 4;
if (bufferIndex >= 0 && bufferIndex < raw.length - 3) {
raw[bufferIndex] = r; // R
raw[bufferIndex + 1] = g; // G
raw[bufferIndex + 2] = b; // B
raw[bufferIndex + 3] = 255; // A (full alpha)
}
}
}
private async performTileUpdate(imagePath: string, pixels: Set<PixelUpdate>) {
let raw: Buffer;
// Save the chunk image directly
try {
// Load existing image or create new one
raw = await sharp(imagePath).raw().toBuffer();
} catch (err) {
// Create new blank tile
raw = await sharp({
create: {
width: TILE_SIZE,
height: TILE_SIZE,
await sharp(raw, {
raw: {
width: CHUNK_SIZE,
height: CHUNK_SIZE,
channels: 4,
background: { r: 20, g: 20, b: 20, alpha: 0 },
},
}).raw().toBuffer();
}).png().toFile(imagePath);
} catch (err) {
this.logger.error(`Error saving chunk image ${filename}: ${err}`);
}
// Apply pixel updates
for (const pixel of pixels) {
const index = (pixel.y * TILE_SIZE + pixel.x) * 4;
if (index >= 0 && index < raw.length - 3) {
raw[index] = pixel.rgba[0]; // R
raw[index + 1] = pixel.rgba[1]; // G
raw[index + 2] = pixel.rgba[2]; // B
raw[index + 3] = pixel.rgba[3]; // A
}
}
// Save updated image
await sharp(raw, {
raw: {
width: TILE_SIZE,
height: TILE_SIZE,
channels: 4,
},
}).png().toFile(imagePath);
}
async handleGetInstanceBoundsRequest(request: GetInstanceBoundsRequest) {
+1
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@@ -150,6 +150,7 @@ export default function MinimapPage() {
maxNativeZoom={10}
minNativeZoom={10}
opacity={1}
tileSize={512}
/>
</MapContainer>
</div>