tarinai/js/assets.js
2026-06-24 18:49:17 +09:00

258 lines
9.5 KiB
JavaScript

"use strict";
const images = new Map();
const imageBoundsCache = new WeakMap();
const imageMetrics = new Map();
const imagePromises = new Map();
const imageAssetIndex = new Map();
const scaledSpriteCache = new Map();
const stainOverlayCache = new Map();
const SPRITE_CACHE_LIMIT = 128;
const STAIN_CACHE_LIMIT = 64;
const SUNBATH_IMAGE_IDS = new Set((typeof SPRITES !== "undefined" ? SPRITES : [])
.map(asset => asset?.id || "")
.filter(id => String(id).startsWith("sunbath")));
const INITIAL_IMAGE_IDS = new Set(["smile", "hungry_70", "zunchi_slave", "zunchi_slave_alt", "zunchi", "zunchi_02", "genkotsu", "pushpin", "pushpin_stuck", "oshibyo", "oshibyo_stuck", ...SUNBATH_IMAGE_IDS]);
const EARLY_IMAGE_IDS = new Set(["smile", "angry", "teary", "jito", "drool", "cry", "sleep", "pokan", "normal_smirk", "normal_tongue", "normal_happy", "weak", "hurt", "hurt2", "fear", "flee", "flee_fear2", "fear_blue", "fear_cry", "sleep2", "stress_dizzy", "stress_sweat", "intimidate", "birth_ritual", "zunchi_slave", "zunchi_slave_alt", "hungry_70", "zunchi", "zunchi_02", "genkotsu", "pushpin", "pushpin_stuck", "oshibyo", "oshibyo_stuck", ...SUNBATH_IMAGE_IDS]);
function trimCanvasCache(cache, limit = 128) {
while (cache.size > limit) {
const first = cache.keys().next().value;
if (first === undefined) break;
cache.delete(first);
}
}
function quantizedCanvasSize(v, step = 24) {
return Math.max(1, Math.round(v / step) * step);
}
const SPRITE_CACHE_SCALE = 1.55;
function getCachedSpriteCanvas(id, img, w, h) {
if (!img || !w || !h) return img;
const qw = quantizedCanvasSize(w);
const qh = quantizedCanvasSize(h);
const key = `${id}:${qw}x${qh}`;
if (window.TarinaiPhysics?.createCachedCanvas) {
return window.TarinaiPhysics.createCachedCanvas(scaledSpriteCache, key, qw, qh, (c) => {
if ("imageSmoothingQuality" in c) c.imageSmoothingQuality = "high";
c.clearRect(0, 0, qw, qh);
c.drawImage(img, 0, 0, qw, qh);
}, { limit: SPRITE_CACHE_LIMIT });
}
let canvas = scaledSpriteCache.get(key);
if (canvas) return canvas;
canvas = document.createElement("canvas");
canvas.width = qw;
canvas.height = qh;
const c = canvas.getContext("2d");
c.imageSmoothingEnabled = true;
if ("imageSmoothingQuality" in c) c.imageSmoothingQuality = "high";
c.clearRect(0, 0, qw, qh);
c.drawImage(img, 0, 0, qw, qh);
scaledSpriteCache.set(key, canvas);
trimCanvasCache(scaledSpriteCache, SPRITE_CACHE_LIMIT);
return canvas;
}
function getCachedStainOverlayCanvas(id, img, w, h, stain = 0, seed = 0.5) {
if (!img || stain <= 0.01 || !w || !h) return null;
const qw = quantizedCanvasSize(w);
const qh = quantizedCanvasSize(h);
const bucket = Math.max(1, Math.min(8, Math.ceil(stain * 8)));
const seedBucket = Math.round((seed || 0) * 16);
const key = `${id}:${qw}x${qh}:s${bucket}:r${seedBucket}`;
const buildOverlay = (c) => {
if ("imageSmoothingQuality" in c) c.imageSmoothingQuality = "high";
c.clearRect(0, 0, qw, qh);
c.drawImage(img, 0, 0, qw, qh);
c.globalCompositeOperation = "source-in";
c.globalAlpha = 0.34 + bucket * 0.075;
c.fillStyle = "rgba(28, 92, 22, 0.96)";
const s = (seedBucket % 16) / 16;
const spots = [
[0.40 + s * 0.035, 0.82, 0.14, 0.040, -0.10],
[0.59 - s * 0.030, 0.87, 0.15, 0.044, 0.12],
[0.50, 0.91, 0.20, 0.036, 0.02],
[0.48 + s * 0.020, 0.78, 0.10, 0.030, -0.18],
];
for (const [sx, sy, rw, rh, rot] of spots) {
c.beginPath();
c.ellipse(sx * qw, sy * qh, rw * qw, rh * qh, rot, 0, Math.PI * 2);
c.fill();
}
c.globalAlpha = 1;
c.globalCompositeOperation = "source-over";
};
if (window.TarinaiPhysics?.createCachedCanvas) return window.TarinaiPhysics.createCachedCanvas(stainOverlayCache, key, qw, qh, buildOverlay, { limit: STAIN_CACHE_LIMIT });
let canvas = stainOverlayCache.get(key);
if (canvas) return canvas;
canvas = document.createElement("canvas");
canvas.width = qw;
canvas.height = qh;
const c = canvas.getContext("2d");
c.imageSmoothingEnabled = true;
buildOverlay(c);
stainOverlayCache.set(key, canvas);
trimCanvasCache(stainOverlayCache, STAIN_CACHE_LIMIT);
return canvas;
}
function primeImageMetrics(asset) {
if (!asset || imageMetrics.has(asset.id)) return;
const bounds = ALPHA_BOUNDS[asset.id];
const w = bounds?.imageW || 512;
const h = bounds?.imageH || 512;
imageMetrics.set(asset.id, {
w,
h,
ratio: h / Math.max(w, 1),
visibleBottomRatio: bounds ? (bounds.y + bounds.h) / Math.max(bounds.imageH, 1) : 1,
});
}
function setupAssetIndex() {
if (imageAssetIndex.size) return;
for (const asset of [...SPRITES, ...DECOR_ASSETS]) {
imageAssetIndex.set(asset.id, asset);
primeImageMetrics(asset);
}
}
function markImageLoaded(asset, img) {
const w = img.naturalWidth || img.width || ALPHA_BOUNDS[asset.id]?.imageW || 512;
const h = img.naturalHeight || img.height || ALPHA_BOUNDS[asset.id]?.imageH || 512;
const bounds = ALPHA_BOUNDS[asset.id] || { x: 0, y: 0, w, h, imageW: w, imageH: h };
imageMetrics.set(asset.id, {
w,
h,
ratio: h / Math.max(w, 1),
visibleBottomRatio: (bounds.y + bounds.h) / Math.max(bounds.imageH, 1),
});
}
function isImageReady(id) {
const img = images.get(id);
return !!(img && img.complete && (img.naturalWidth || img.width));
}
function loadImageAsset(asset, priority = "auto") {
if (!asset) return Promise.resolve(null);
setupAssetIndex();
primeImageMetrics(asset);
if (isImageReady(asset.id)) return Promise.resolve(images.get(asset.id));
if (imagePromises.has(asset.id)) return imagePromises.get(asset.id);
const img = images.get(asset.id) || new Image();
img.decoding = "async";
if ("fetchPriority" in img) img.fetchPriority = priority;
img.alphaBounds = ALPHA_BOUNDS[asset.id] || null;
images.set(asset.id, img);
const promise = new Promise((resolve) => {
img.onload = () => { markImageLoaded(asset, img); resolve(img); };
img.onerror = () => { resolve(null); };
});
imagePromises.set(asset.id, promise);
if (!img.src) img.src = (window.TarinaiVersion?.withStaticVersion ? window.TarinaiVersion.withStaticVersion(asset.path) : asset.path);
return promise;
}
function ensureImage(id) {
setupAssetIndex();
const asset = imageAssetIndex.get(id);
if (!asset) return null;
primeImageMetrics(asset);
const existing = images.get(id);
if (!existing || !existing.src) loadImageAsset(asset, "low");
return images.get(id) || null;
}
function getRenderableImage(id, fallbackId = "smile") {
if (id) ensureImage(id);
if (isImageReady(id)) return images.get(id);
if (fallbackId && fallbackId !== id) ensureImage(fallbackId);
if (isImageReady(fallbackId)) return images.get(fallbackId);
return null;
}
function loadImages(ids = null, onProgress = null) {
setupAssetIndex();
const requested = ids ? new Set(ids) : INITIAL_IMAGE_IDS;
const assets = [...requested].map(id => imageAssetIndex.get(id)).filter(Boolean);
const total = Math.max(assets.length, 1);
let done = 0;
if (typeof onProgress === "function") onProgress(done, total, null);
const tasks = assets.map(asset => loadImageAsset(asset, "high").then((img) => {
done += 1;
if (typeof onProgress === "function") onProgress(done, total, asset);
return img;
}));
return Promise.all(tasks).then(() => undefined);
}
function trimImageMemory(aggressive = false) {
trimCanvasCache(scaledSpriteCache, aggressive ? 48 : SPRITE_CACHE_LIMIT);
trimCanvasCache(stainOverlayCache, aggressive ? 16 : STAIN_CACHE_LIMIT);
}
if (typeof document !== "undefined") {
document.addEventListener("visibilitychange", () => {
if (document.hidden) trimImageMemory(true);
});
}
if (typeof window !== "undefined") {
window.setInterval(() => trimImageMemory(false), 45000);
}
function startBackgroundImageLoading() {
setupAssetIndex();
const loadGroup = (ids, priority = "low") => {
for (const id of ids) {
const asset = imageAssetIndex.get(id);
if (asset) loadImageAsset(asset, priority);
}
};
const schedule = window.requestIdleCallback
? (fn, timeout = 1200) => window.requestIdleCallback(fn, { timeout })
: (fn) => setTimeout(fn, 60);
schedule(() => loadGroup(EARLY_IMAGE_IDS, "auto"), 450);
schedule(() => {
for (const asset of [...SPRITES, ...DECOR_ASSETS]) loadImageAsset(asset, "low");
trimImageMemory(false);
}, 2200);
}
function imageAlphaBounds(img) {
if (!img) return null;
if (img.alphaBounds) return img.alphaBounds;
if (imageBoundsCache.has(img)) return imageBoundsCache.get(img);
const w = img.naturalWidth || img.width || 0;
const h = img.naturalHeight || img.height || 0;
if (!w || !h) return null;
const bounds = { x: 0, y: 0, w, h, imageW: w, imageH: h };
imageBoundsCache.set(img, bounds);
return bounds;
}
function getImageMetrics(idOrImg) {
if (typeof idOrImg === "string") {
setupAssetIndex();
const asset = imageAssetIndex.get(idOrImg);
if (asset) primeImageMetrics(asset);
return imageMetrics.get(idOrImg) || null;
}
if (!idOrImg) return null;
for (const [id, img] of images) {
if (img === idOrImg) return imageMetrics.get(id) || null;
}
const w = idOrImg.naturalWidth || idOrImg.width || 0;
const h = idOrImg.naturalHeight || idOrImg.height || 0;
return w && h ? { w, h, ratio: h / w, visibleBottomRatio: 1 } : null;
}
setupAssetIndex();
window.TarinaiAssets = { images, imageBoundsCache, imageMetrics, imagePromises, scaledSpriteCache, stainOverlayCache, loadImages, startBackgroundImageLoading, trimImageMemory, ensureImage, isImageReady, getRenderableImage, imageAlphaBounds, getImageMetrics, getCachedSpriteCanvas, getCachedStainOverlayCanvas };