// Item construction and shared item helpers. Type-specific initialization is in item_type_initializers.js.
"use strict";

const FOOD_SERVING_TYPES = new Set(window.TarinaiItemRegistry.food?.servingTypes?.() || ["food", "sweet", "love_mochi", "fight_mochi", "sleep_drug", "laxative", "protein", "niteropu", "ammo", "mystery_drug", "mercury", "giant_drug", "dwarf_drug", "zunda_juice"]);
const PARAM_EFFECT_ITEM_TYPES = new Set(window.TarinaiItemRegistry.food?.paramEffectTypes?.() || ["laxative", "protein", "niteropu", "ammo", "mystery_drug", "mercury", "giant_drug", "dwarf_drug", "zunda_juice"]);
function isParamEffectItemType(type = "") {
  return PARAM_EFFECT_ITEM_TYPES.has(type);
}

const FOOD_SERVINGS_BY_SIZE = { small: 1, medium: 5, large: 15 };
function foodServingsForSize(size = "medium") {
  return FOOD_SERVINGS_BY_SIZE[size] || FOOD_SERVINGS_BY_SIZE.medium;
}
function isServingFoodType(type = "") {
  return FOOD_SERVING_TYPES.has(type);
}
function foodServingSizeForRemaining(remaining = FOOD_SERVINGS_BY_SIZE.medium) {
  const n = Math.max(0, Number(remaining) || 0);
  if (n <= FOOD_SERVINGS_BY_SIZE.small + 0.05) return "small";
  if (n <= FOOD_SERVINGS_BY_SIZE.medium + 0.05) return "medium";
  return "large";
}
function foodServingVisualScaleFor(item) {
  if (!item || !isServingFoodType(item.type)) return 1;
  const remaining = Math.max(0, Number(item.foodServingsRemaining ?? item.amount ?? FOOD_SERVINGS_BY_SIZE.medium) || 0);
  const ratio = remaining / FOOD_SERVINGS_BY_SIZE.medium;
  return clamp(Math.sqrt(Math.max(0.04, ratio)), 0.72, 1.35);
}
function updateServingFoodVisualSize(item) {
  if (!item || !isServingFoodType(item.type)) return false;
  const baseRadius = itemRadiusFor(item.type, 12);
  const scale = foodServingVisualScaleFor(item);
  const nextR = Math.max(5, baseRadius * scale);
  const changed = Math.abs((Number(item.r) || 0) - nextR) > 0.05;
  item.r = nextR;
  item.foodServingScale = scale;
  item.foodServingVisualSize = foodServingSizeForRemaining(item.foodServingsRemaining ?? item.amount);
  return changed;
}
const PASSIVE_FOOD_DECAY_PER_SECOND = 0.004;

const GRASS_STAGE_COUNT = 5;
const GRASS_STAGE_AMOUNTS = [24, 48, 72, 96, 120];
const GRASS_STAGE_GROWTH = [0.18, 0.36, 0.54, 0.72, 0.88];
function clampGrassStage(stage = 0) {
  return clamp(Math.round(Number(stage) || 0), 0, GRASS_STAGE_COUNT - 1);
}
function grassStageFromGrowth(growth = 0.18, amount = null) {
  if (Number.isFinite(amount) && amount <= 0) return 0;
  if (Number.isFinite(amount) && amount > 0) {
    for (let i = GRASS_STAGE_AMOUNTS.length - 1; i >= 0; i--) {
      if (amount >= GRASS_STAGE_AMOUNTS[i] - 4) return i;
    }
  }
  const g = clamp(Number(growth) || 0, 0, GRASS_STAGE_GROWTH[GRASS_STAGE_GROWTH.length - 1]);
  let best = 0, bestD = Infinity;
  for (let i = 0; i < GRASS_STAGE_GROWTH.length; i++) {
    const d = Math.abs(GRASS_STAGE_GROWTH[i] - g);
    if (d < bestD) { best = i; bestD = d; }
  }
  return best;
}
function grassAmountForStage(stage = 0) {
  return GRASS_STAGE_AMOUNTS[clampGrassStage(stage)] || GRASS_STAGE_AMOUNTS[0];
}
function grassGrowthForStage(stage = 0) {
  return GRASS_STAGE_GROWTH[clampGrassStage(stage)] || GRASS_STAGE_GROWTH[0];
}
function setGrassStage(item, stage = 0, opts = {}) {
  if (!item || item.type !== "grass") return false;
  const oldStage = Number.isFinite(item.grassStage) ? clampGrassStage(item.grassStage) : grassStageFromGrowth(item.growth, item.amount);
  if (stage < 0) {
    item.grassStage = 0;
    item.growth = 0;
    item.amount = 0;
    return oldStage !== -1 || opts.force;
  }
  const nextStage = clampGrassStage(stage);
  item.grassStage = nextStage;
  item.growth = grassGrowthForStage(nextStage);
  item.health = 1;
  item.wither = 0;
  item.fertilityBoost = 0;
  item.seedTimer = Math.max(Number(item.seedTimer || 0), 12);
  item.amount = grassAmountForStage(nextStage);
  return opts.force || nextStage !== oldStage;
}
function normalizeGrassStage(item) {
  if (!item || item.type !== "grass") return 0;
  const stage = Number.isFinite(item.grassStage) ? clampGrassStage(item.grassStage) : grassStageFromGrowth(item.growth, item.amount);
  setGrassStage(item, stage, { force: true });
  return stage;
}
function advanceGrassStage(item, steps = 1) {
  if (!item || item.type !== "grass" || item.dead || (item.amount || 0) <= 0) return false;
  const stage = normalizeGrassStage(item);
  if (stage >= GRASS_STAGE_COUNT - 1) return false;
  return setGrassStage(item, stage + Math.max(1, Math.floor(steps || 1)));
}
function regressGrassStage(item, steps = 1) {
  if (!item || item.type !== "grass" || item.dead || (item.amount || 0) <= 0) return 0;
  const stage = normalizeGrassStage(item);
  const before = grassAmountForStage(stage);
  const next = stage - Math.max(1, Math.floor(steps || 1));
  if (next < 0) {
    setGrassStage(item, -1);
    return before;
  }
  setGrassStage(item, next);
  return Math.max(1, before - grassAmountForStage(next));
}

function passiveFoodDecayInterval(worldRef = null) {
  // Two decay ticks per half-day: dayLength/4. Default day is 120s -> 30s interval.
  const day = Number(worldRef?.config?.dayLength || CONFIG?.dayLength || 120) || 120;
  return Math.max(12, day / 4);
}
function passiveFoodDecayRate(item) {
  const size = item?.toolSize || "medium";
  const sizeMul = size === "small" ? 0.74 : (size === "large" ? 1.32 : 1);
  const typeMul = window.TarinaiItemRegistry.food?.passiveDecayMultiplier?.(item?.type) ?? (item?.type === "sweet" ? 0.82 : (item?.type === "zunda_juice" ? 1.12 : 1));
  return PASSIVE_FOOD_DECAY_PER_SECOND * sizeMul * typeMul;
}

function itemVisualFor(type = "") {
  return itemVisualDefinition(type);
}

function visualPaletteFor(type = "", fallback = {}) {
  return itemVisualFor(type)?.palette || fallback || {};
}

function visualFieldScaleFor(type = "") {
  const visual = itemVisualFor(type);
  return visual?.fieldScale || visual?.scale || 1;
}

function drawOvalWaterDropSprite(ctx, r, palette = {}) {
  const fill = palette.fill || "rgba(86, 157, 224, 0.82)";
  const stroke = palette.stroke || "rgba(45, 101, 168, 0.52)";
  const highlight = palette.highlight || "rgba(255,255,255,0.64)";
  ctx.save();
  ctx.fillStyle = fill;
  ctx.strokeStyle = stroke;
  ctx.lineWidth = Math.max(1.6, r * 0.13);
  // Horizontal oval item droplet silhouette for fallen water / zunda juice / mercury; rain overlay itself is a separate diagonal-line effect.
  ctx.beginPath();
  ctx.ellipse(0, 0, r * 1.42, r * 0.56, -0.04, 0, Math.PI * 2);
  ctx.fill();
  ctx.stroke();
  ctx.globalAlpha = 0.72;
  ctx.fillStyle = highlight;
  ctx.beginPath();
  ctx.ellipse(-r * 0.46, -r * 0.16, r * 0.34, r * 0.13, -0.18, 0, Math.PI * 2);
  ctx.fill();
  ctx.restore();
}

function drawSleepTabletSprite(ctx, r, palette = {}) {
  const fill = palette.fill || "#ebe4ff";
  const stroke = palette.stroke || "rgba(74, 60, 144, 0.72)";
  const accent = palette.accent || "rgba(112, 91, 188, 0.82)";
  ctx.save();
  ctx.rotate(-0.18);
  ctx.fillStyle = fill;
  ctx.strokeStyle = stroke;
  ctx.lineWidth = Math.max(1.8, r * 0.14);
  ctx.beginPath();
  ctx.ellipse(0, 0, r * 0.92, r * 0.66, 0, 0, Math.PI * 2);
  ctx.fill(); ctx.stroke();
  ctx.fillStyle = accent;
  ctx.beginPath();
  ctx.arc(r * 0.12, -r * 0.04, r * 0.38, 0, Math.PI * 2);
  ctx.fill();
  ctx.fillStyle = fill;
  ctx.beginPath();
  ctx.arc(r * 0.28, -r * 0.11, r * 0.38, 0, Math.PI * 2);
  ctx.fill();
  ctx.globalAlpha = 0.52;
  ctx.strokeStyle = "rgba(255,255,255,0.94)";
  ctx.lineWidth = Math.max(1.2, r * 0.08);
  ctx.beginPath();
  ctx.moveTo(-r * 0.56, -r * 0.28);
  ctx.quadraticCurveTo(-r * 0.14, -r * 0.48, r * 0.48, -r * 0.20);
  ctx.stroke();
  ctx.restore();
}

function drawLaxativeTabletSprite(ctx, r) {
  ctx.save();
  ctx.fillStyle = "#f4d49a";
  ctx.strokeStyle = "rgba(98, 61, 29, 0.82)";
  ctx.lineWidth = Math.max(1.8, r * 0.14);
  roundedRect(ctx, -r * 1.02, -r * 0.54, r * 2.04, r * 1.08, r * 0.34);
  ctx.fill(); ctx.stroke();
  // Embedded zunchi mound motif: silhouette-based, not color-only.
  ctx.fillStyle = "rgba(96, 70, 38, 0.88)";
  ctx.strokeStyle = "rgba(56, 39, 22, 0.42)";
  ctx.lineWidth = Math.max(1.0, r * 0.07);
  const lumps = [
    [-0.38, 0.11, 0.25, 0.17],
    [-0.12, -0.03, 0.29, 0.20],
    [0.20, 0.10, 0.27, 0.18],
    [0.03, -0.23, 0.20, 0.14],
  ];
  for (const [x,y,w,h] of lumps) {
    ctx.beginPath();
    ctx.ellipse(r*x, r*y, r*w, r*h, 0, 0, Math.PI * 2);
    ctx.fill(); ctx.stroke();
  }
  ctx.globalAlpha = 0.45;
  ctx.strokeStyle = "rgba(255,255,255,0.90)";
  ctx.lineWidth = Math.max(1.0, r * 0.07);
  ctx.beginPath();
  ctx.moveTo(-r * 0.68, -r * 0.32);
  ctx.quadraticCurveTo(-r * 0.24, -r * 0.48, r * 0.46, -r * 0.26);
  ctx.stroke();
  ctx.restore();
}

function drawMysteryTabletSprite(ctx, r) {
  ctx.save();
  ctx.fillStyle = "#f3ecff";
  ctx.strokeStyle = "rgba(91, 55, 150, 0.84)";
  ctx.lineWidth = Math.max(1.9, r * 0.15);
  ctx.beginPath();
  ctx.ellipse(0, 0, r * 0.94, r * 0.78, 0.10, 0, Math.PI * 2);
  ctx.fill(); ctx.stroke();
  ctx.fillStyle = "rgba(91,55,150,0.92)";
  ctx.font = `bold ${Math.round(r * 1.35)}px ui-rounded, sans-serif`;
  ctx.textAlign = "center";
  ctx.textBaseline = "middle";
  ctx.fillText("?", 0, -r * 0.04);
  ctx.globalAlpha = 0.52;
  ctx.strokeStyle = "rgba(255,255,255,0.90)";
  ctx.lineWidth = Math.max(1.1, r * 0.08);
  ctx.beginPath();
  ctx.moveTo(-r * 0.52, -r * 0.34);
  ctx.quadraticCurveTo(-r * 0.12, -r * 0.54, r * 0.42, -r * 0.28);
  ctx.stroke();
  ctx.restore();
}

function drawBulletSprite(ctx, r) {
  ctx.save();
  ctx.rotate(0.0);
  const g = ctx.createLinearGradient(-r, 0, r, 0);
  g.addColorStop(0, "#b06f23");
  g.addColorStop(0.48, "#f4c46a");
  g.addColorStop(1, "#a05a1f");
  ctx.fillStyle = g;
  ctx.strokeStyle = "rgba(87, 51, 22, 0.78)";
  ctx.lineWidth = Math.max(1.7, r * 0.13);
  ctx.beginPath();
  ctx.moveTo(r * 0.86, 0);
  ctx.quadraticCurveTo(r * 0.42, -r * 0.52, -r * 0.34, -r * 0.52);
  ctx.lineTo(-r * 0.88, -r * 0.40);
  ctx.lineTo(-r * 0.88, r * 0.40);
  ctx.lineTo(-r * 0.34, r * 0.52);
  ctx.quadraticCurveTo(r * 0.42, r * 0.52, r * 0.86, 0);
  ctx.closePath();
  ctx.fill(); ctx.stroke();
  ctx.strokeStyle = "rgba(255,237,176,0.62)";
  ctx.lineWidth = Math.max(1.0, r * 0.07);
  ctx.beginPath();
  ctx.moveTo(-r * 0.44, -r * 0.34);
  ctx.lineTo(r * 0.42, -r * 0.20);
  ctx.stroke();
  ctx.restore();
}

function isConsumableSpriteType(type = "") {
  const key = String(type || "");
  return ["food", "sweet", "love_mochi", "fight_mochi", "sleep_drug", "water", "zunda_juice", "mercury"].includes(key)
    || isParamEffectItemType(key);
}

function drawConsumableFieldSprite(ctx, type = "", r = 10, seed = 1, opts = {}) {
  const key = String(type || "food");
  const localSeed = Number(seed || 1) || 1;
  const localR = Math.max(1, Number(r) || 10);
  const compact = !!opts.compact;
  ctx.save();
  if (key === "food") {
    ctx.fillStyle = "#b97842";
    ctx.strokeStyle = "#754725";
    ctx.lineWidth = Math.max(1.2, localR * 0.14);
    ctx.beginPath();
    ctx.ellipse(0, localR * 0.16, localR * 1.18, localR * 0.48, 0, 0, Math.PI * 2);
    ctx.fill(); ctx.stroke();
    ctx.fillStyle = "#d9aa70";
    ctx.beginPath();
    ctx.ellipse(0, -localR * 0.02, localR * 0.92, localR * 0.42, 0, 0, Math.PI * 2);
    ctx.fill();
    const dots = compact ? 5 : 7;
    ctx.fillStyle = "#7d4d2c";
    for (let i = 0; i < dots; i++) {
      ctx.beginPath();
      ctx.arc(randSeed(localSeed + i, -localR * 0.62, localR * 0.62), randSeed(localSeed + i + 9, -localR * 0.25, localR * 0.20), Math.max(1.1, localR * 0.14), 0, Math.PI * 2);
      ctx.fill();
    }
  } else if (key === "sweet" || key === "love_mochi" || key === "fight_mochi") {
    const sweet = key === "sweet";
    const loveMochi = key === "love_mochi";
    const fightMochi = key === "fight_mochi";
    ctx.fillStyle = loveMochi ? "#fff1f6" : (fightMochi ? "#fff3ec" : (sweet ? "#fffaf1" : "#f1dfb7"));
    ctx.strokeStyle = loveMochi ? "#bf6f8b" : (fightMochi ? "#bc6d42" : (sweet ? "#9a8a72" : "#8d6f48"));
    ctx.lineWidth = Math.max(1.2, localR * 0.15);
    ctx.beginPath();
    ctx.ellipse(0, 0, localR * 1.25, localR * 0.75, Math.sin(localSeed) * 0.4, 0, Math.PI * 2);
    ctx.fill(); ctx.stroke();
    if (sweet) {
      ctx.beginPath();
      ctx.fillStyle = "#76b94d";
      ctx.ellipse(-localR * 0.07, -localR * 0.24, localR * 0.76, localR * 0.26, Math.sin(localSeed) * 0.25, 0, Math.PI * 2);
      ctx.fill();
      ctx.fillStyle = "rgba(255,255,255,0.62)";
      ctx.beginPath();
      ctx.ellipse(-localR * 0.32, -localR * 0.16, localR * 0.24, localR * 0.10, -0.35, 0, Math.PI * 2);
      ctx.fill();
    } else if (loveMochi) {
      ctx.fillStyle = "#ff6a9c";
      ctx.font = `${Math.round(localR * 1.15)}px sans-serif`;
      ctx.textAlign = "center";
      ctx.textBaseline = "middle";
      ctx.fillText("\u2764", 0, 1);
      ctx.fillStyle = "rgba(255,255,255,0.55)";
      ctx.beginPath();
      ctx.ellipse(-localR * 0.28, -localR * 0.18, localR * 0.23, localR * 0.10, -0.35, 0, Math.PI * 2);
      ctx.fill();
    } else if (fightMochi) {
      ctx.strokeStyle = "rgba(168,76,42,0.82)";
      ctx.lineWidth = Math.max(1.2, localR * 0.13);
      ctx.beginPath();
      ctx.moveTo(-localR * 0.44, -localR * 0.42);
      ctx.lineTo(localR * 0.44, localR * 0.42);
      ctx.moveTo(-localR * 0.44, localR * 0.42);
      ctx.lineTo(localR * 0.44, -localR * 0.42);
      ctx.stroke();
    }
  } else if (key === "grass") {
    ctx.strokeStyle = "#5fa53f";
    ctx.lineWidth = Math.max(1.3, localR * 0.14);
    ctx.lineCap = "round";
    for (let i = 0; i < 5; i++) {
      const a = -Math.PI / 2 + randSeed(localSeed + i, -0.75, 0.75);
      const len = localR * randSeed(localSeed + i + 10, 0.65, 1.15);
      const rootX = randSeed(localSeed + i + 20, -localR * 0.32, localR * 0.32);
      ctx.beginPath();
      ctx.moveTo(rootX, localR * 0.35);
      ctx.quadraticCurveTo(rootX + Math.cos(a) * len * 0.46, -localR * 0.05, rootX + Math.cos(a) * len, Math.sin(a) * len * 0.72);
      ctx.stroke();
    }
  } else if (["water", "zunda_juice", "mercury"].includes(key)) {
    const visual = itemVisualFor(key);
    const palette = visual?.palette || {};
    drawOvalWaterDropSprite(ctx, localR * (visual?.fieldScale || visual?.scale || 1), { fill: palette.fill, stroke: palette.stroke, highlight: palette.highlight || palette.accent });
  } else if (key === "sleep_drug") {
    drawSleepTabletSprite(ctx, localR * visualFieldScaleFor("sleep_drug"), visualPaletteFor("sleep_drug"));
  } else if (isParamEffectItemType(key)) {
    const visual = itemVisualFor(key);
    const palette = visual?.palette || {};
    const renderer = visual?.renderer || "split_pill";
    const fill = palette.fill || "#fffaf1";
    const stroke = palette.stroke || "#8d6f48";
    const accent = palette.highlight || palette.accent || "#ddd";
    const rr = localR * (visual?.fieldScale || visual?.scale || 1);
    if (renderer === "powder_pile") {
      ctx.fillStyle = "rgba(68,46,28,0.18)";
      ctx.beginPath();
      ctx.ellipse(0, rr * 0.50, rr * 1.22, rr * 0.34, 0, 0, Math.PI * 2);
      ctx.fill();
      const count = compact ? 10 : 18;
      for (let i = 0; i < count; i++) {
        const px = randSeed(localSeed + i * 7, -rr * 0.85, rr * 0.85);
        const layer = 1 - Math.abs(px) / Math.max(1, rr * 0.90);
        const py = randSeed(localSeed + i * 11, -rr * 0.15, rr * 0.48) - layer * rr * 0.48;
        const blobR = randSeed(localSeed + i * 13, rr * 0.14, rr * 0.32) * (0.75 + layer * 0.45);
        ctx.fillStyle = i % 3 === 0 ? accent : fill;
        ctx.strokeStyle = stroke;
        ctx.globalAlpha = 0.86 + layer * 0.12;
        ctx.lineWidth = Math.max(0.8, rr * 0.055);
        ctx.beginPath();
        ctx.ellipse(px, py, blobR * 1.18, blobR * 0.72, randSeed(localSeed + i, -0.45, 0.45), 0, Math.PI * 2);
        ctx.fill(); ctx.stroke();
      }
      ctx.globalAlpha = 1;
      ctx.fillStyle = "rgba(255,255,255,0.62)";
      ctx.beginPath();
      ctx.ellipse(-rr * 0.30, -rr * 0.42, rr * 0.28, rr * 0.10, -0.35, 0, Math.PI * 2);
      ctx.fill();
    } else if (renderer === "oval_droplet") {
      drawOvalWaterDropSprite(ctx, rr, { fill, stroke, highlight: accent });
    } else if (renderer === "laxative_tablet") {
      drawLaxativeTabletSprite(ctx, rr);
    } else if (renderer === "mystery_tablet") {
      drawMysteryTabletSprite(ctx, rr);
    } else if (renderer === "bullet") {
      drawBulletSprite(ctx, rr);
    } else {
      ctx.save();
      ctx.rotate(-0.38);
      ctx.fillStyle = fill;
      ctx.strokeStyle = stroke;
      ctx.lineWidth = Math.max(1.3, rr * 0.12);
      roundedRect(ctx, -rr * 1.15, -rr * 0.46, rr * 2.30, rr * 0.92, rr * 0.46);
      ctx.fill(); ctx.stroke();
      ctx.fillStyle = accent;
      ctx.globalAlpha = 0.78;
      ctx.fillRect(-rr * 0.10, -rr * 0.42, rr * 0.20, rr * 0.84);
      ctx.globalAlpha = 0.36;
      ctx.fillStyle = "rgba(255,255,255,0.92)";
      ctx.beginPath();
      ctx.ellipse(-rr * 0.48, -rr * 0.16, rr * 0.32, rr * 0.10, -0.10, 0, Math.PI * 2);
      ctx.fill();
      ctx.restore();
    }
  } else {
    ctx.fillStyle = "#e4ba5b";
    ctx.strokeStyle = "rgba(105,74,39,0.62)";
    ctx.lineWidth = Math.max(1.1, localR * 0.11);
    ctx.beginPath(); ctx.ellipse(0, 0, localR * 0.98, localR * 0.58, -0.08, 0, Math.PI * 2); ctx.fill(); ctx.stroke();
  }
  ctx.restore();
}

function drawStoredConsumableSprite(ctx, type = "", r = 10, seed = 1) {
  const key = String(type || "food");
  if (isPinType(key)) {
    const behavior = pinBehaviorFor(key);
    const assetId = behavior?.looseAsset || key;
    const img = getRenderableImage(assetId, assetId);
    ctx.save();
    ctx.rotate(-0.35);
    if (img) {
      const metrics = getImageMetrics(assetId);
      const ratio = metrics?.ratio || 2.0;
      const w = key === "oshibyo" ? r * 1.30 : r * 1.70;
      const h = w * ratio;
      ctx.drawImage(img, -w * 0.5, -h * 0.5, w, h);
    } else {
      ctx.fillStyle = key === "oshibyo" ? "#4d86d9" : "#d92736";
      ctx.strokeStyle = "rgba(84,36,42,0.72)";
      ctx.lineWidth = Math.max(1, r * 0.10);
      ctx.beginPath();
      ctx.ellipse(0, -r * 0.18, r * 0.58, r * 0.38, 0, 0, Math.PI * 2);
      ctx.fill(); ctx.stroke();
      ctx.strokeStyle = "rgba(220,220,226,0.92)";
      ctx.beginPath();
      ctx.moveTo(0, r * 0.18);
      ctx.lineTo(0, r * 1.25);
      ctx.stroke();
    }
    ctx.restore();
    return;
  }
  drawConsumableFieldSprite(ctx, key, r, seed, { compact: true });
}

function previewItemRadiusFor(type = "") {
  const def = itemDefinition(type);
  const base = Number(def?.radius || itemRadiusFor?.(type, 16) || 16);
  if (type === "genkotsu") return 30;
  if (type === "fence_v" || type === "fence_h" || type === "glass_wall" || type === "bounce_fence" || type === "bounce_fence_v" || type === "gate_fence") return 24;
  if (type === "rotator") return 25;
  if (type === "reciprocator") return 26;
  if (type === "nest_box") return 26;
  if (type === "pipe") return 24;
  if (type === "duplicator") return 24;
  if (type === "signboard") return 22;
  if (type === "bed") return 22;
  if (type === "pushpin" || type === "oshibyo") return 12;
  return clamp(base, 8, 24);
}


function canvasAlphaBounds(canvas, alphaThreshold = 8) {
  const w = Math.max(1, Math.floor(canvas?.width || 0));
  const h = Math.max(1, Math.floor(canvas?.height || 0));
  if (!w || !h) return null;
  const ctx = canvas.getContext?.("2d", { willReadFrequently: true });
  if (!ctx) return null;
  let data = null;
  try {
    data = ctx.getImageData(0, 0, w, h).data;
  } catch (_) {
    return null;
  }
  let minX = w;
  let minY = h;
  let maxX = -1;
  let maxY = -1;
  for (let y = 0; y < h; y++) {
    for (let x = 0; x < w; x++) {
      if (data[(y * w + x) * 4 + 3] <= alphaThreshold) continue;
      if (x < minX) minX = x;
      if (y < minY) minY = y;
      if (x > maxX) maxX = x;
      if (y > maxY) maxY = y;
    }
  }
  if (maxX < minX || maxY < minY) return null;
  return { x: minX, y: minY, w: maxX - minX + 1, h: maxY - minY + 1 };
}

function normalizeToolPreviewCanvas(targetCtx, sourceCanvas, w, h, opts = {}) {
  if (!targetCtx || !sourceCanvas) return false;
  const box = canvasAlphaBounds(sourceCanvas);
  targetCtx.clearRect(0, 0, w, h);
  if (!box) return false;
  const watermark = !!opts.watermark;
  const targetScale = Number.isFinite(Number(opts.targetScale)) ? Math.max(0.35, Number(opts.targetScale)) : 1;
  const maxW = w * (watermark ? 0.68 : 0.86) * targetScale;
  const maxH = h * (watermark ? 0.68 : 0.82) * targetScale;
  const scale = Math.min(maxW / Math.max(1, box.w), maxH / Math.max(1, box.h));
  const drawW = box.w * scale;
  const drawH = box.h * scale;
  const centerX = watermark ? w * 0.78 : w * 0.50;
  const centerY = watermark ? h * 0.80 : h * 0.48;
  const dx = centerX - drawW / 2;
  const dy = centerY - drawH / 2;
  targetCtx.save();
  targetCtx.imageSmoothingEnabled = true;
  targetCtx.imageSmoothingQuality = "high";
  targetCtx.drawImage(sourceCanvas, box.x, box.y, box.w, box.h, dx, dy, drawW, drawH);
  targetCtx.restore();
  return true;
}

function drawToolItemPreview(ctx, type = "", opts = {}) {
  if (!ctx || !type) return false;
  const w = Math.max(1, Number(opts.width || ctx.canvas?.width || 72));
  const h = Math.max(1, Number(opts.height || ctx.canvas?.height || 72));
  const watermark = !!opts.watermark;
  const localR = previewItemRadiusFor(type);
  const item = Object.create(Item.prototype);
  Object.assign(item, {
    id: `tool-preview-${type}`,
    type,
    x: 0,
    y: 0,
    r: localR,
    amount: 999,
    age: 0,
    seed: 72.43,
    roles: {},
    dropTimer: 0,
    dropMax: 0,
    dropImpactDone: false,
    growth: type === "grass" ? 0.86 : undefined,
    health: 1,
    wear: 0,
    text: type === "signboard" ? "" : undefined,
    storedFoodType: type === "duplicator" ? "sweet" : "",
    storedFoodLabel: type === "duplicator" ? "\u305a\u3093\u3060\u9905" : "",
    pinState: "loose",
    spin: type === "pushpin" || type === "oshibyo" ? -0.55 : 0,
    zunchiVariant: "zunchi",
    stage: type === "zunchi" ? "fresh" : undefined,
    freshness: type === "zunchi" ? 1 : undefined,
    fertility: type === "zunchi" ? 0 : undefined,
    antCount: typeof ANT_NEST_START_COUNT !== "undefined" ? ANT_NEST_START_COUNT : 6,
    fuseTimer: 5,
    fuseMax: 5,
    impactFlash: 0,
    foodServingsMax: foodServingsForSize("medium"),
    foodServingsRemaining: foodServingsForSize("medium"),
    toolSize: "medium",
  });
  if (type === "water") item.amount = 50;
  const outputCtx = ctx;
  let sourceCanvas = null;
  let drawCtx = ctx;
  try {
    const ownerDocument = ctx.canvas?.ownerDocument || (typeof document !== "undefined" ? document : null);
    sourceCanvas = ownerDocument?.createElement?.("canvas") || null;
    if (sourceCanvas) {
      sourceCanvas.width = w;
      sourceCanvas.height = h;
      drawCtx = sourceCanvas.getContext("2d") || ctx;
    }
  } catch (_) {
    sourceCanvas = null;
    drawCtx = ctx;
  }
  ctx = drawCtx;
  ctx.save();
  ctx.clearRect(0, 0, w, h);
  const baseOffsetY = type === "signboard" ? 11 : type === "genkotsu" ? 12 : type === "fence_v" || type === "fence_h" || type === "glass_wall" || type === "bounce_fence" || type === "bounce_fence_v" || type === "gate_fence" ? 1 : 4;
  const centerX = watermark ? w * 0.78 : w / 2;
  const centerY = watermark ? (h * 0.80 + baseOffsetY * 0.15) : (h / 2 + baseOffsetY);
  ctx.translate(centerX, centerY);
  const scaleMap = {
    genkotsu: 0.52,
    bed: 0.80,
    nest_box: 0.78,
    pipe: 0.84,
    signboard: 0.76,
    toilet: 0.45,
    rain_shelter: 0.62,
    duplicator: 0.82,
    fence_v: 0.70,
    fence_h: 0.70,
    glass_wall: 0.74,
    bounce_fence: 0.74,
    bounce_fence_v: 0.74,
    gate_fence: 0.74,
    reciprocator: 0.76,
    ant_nest: 0.92,
    ball: 0.92,
    balloon: 0.86,
    fan: 0.82,
    pushpin: 0.92,
    oshibyo: 0.62,
    firecracker: 0.90,
    flame_firecracker: 0.90,
    sticky_bomb: 0.92,
    fire: 1.05,
    giant_drug: 1.22,
    dwarf_drug: 0.56,
  };
  let scale = scaleMap[type] || 0.92;
  if (isConsumableSpriteType(type)) scale *= 1.95;
  else if (["grass", "water", "zunda_juice", "mercury", "fire"].includes(type)) scale *= 1.85;
  else if (type === "duplicator") scale *= 1.55;
  else if (["signboard", "toilet", "rain_shelter", "bed", "nest_box", "pipe", "ant_nest", "pushpin", "oshibyo", "fence_v", "fence_h", "glass_wall", "bounce_fence", "bounce_fence_v", "gate_fence", "reciprocator", "firecracker", "flame_firecracker", "sticky_bomb", "fire", "genkotsu"].includes(type)) scale *= 1.08;
  else if (isParamEffectItemType(type)) scale *= 1.35;
  if (watermark) scale *= 1.42;
  ctx.scale(scale, scale);
  try {
    item.draw(ctx, 0, typeof getLightingState === "function" ? getLightingState(globalThis.world) : null);
  } catch (err) {
    ctx.restore();
    return false;
  }
  ctx.restore();
  if (sourceCanvas && outputCtx !== ctx) {
    const previewScaleOverrides = { giant_drug: 1.55, dwarf_drug: 0.55, oshibyo: 0.58 };
    normalizeToolPreviewCanvas(outputCtx, sourceCanvas, w, h, { watermark, targetScale: previewScaleOverrides[type] || 1 });
  }
  return true;
}

if (typeof window !== "undefined") {
  window.isConsumableSpriteType = isConsumableSpriteType;
  window.updateServingFoodVisualSize = updateServingFoodVisualSize;
  window.drawConsumableFieldSprite = drawConsumableFieldSprite;
  window.drawStoredConsumableSprite = drawStoredConsumableSprite;
  window.drawToolItemPreview = drawToolItemPreview;
  window.TarinaiGrass = {
    normalize: normalizeGrassStage,
    setStage: setGrassStage,
    advance: advanceGrassStage,
    regress: regressGrassStage,
  };
}


class Item {
  constructor(type, x, y) {
    this.id = crypto.randomUUID ? crypto.randomUUID() : `${Date.now()}-${Math.random()}`;
    this.type = type;
    this.x = x;
    this.y = y;
    this.r = itemRadiusFor(type, 12);
    this.amount = itemAmountFor(type, 80);
    this.age = 0;
    this.seed = Math.random() * 1000;
    this.roles = {};
    this.needEffects = { food: 0, sleep: 0, health: 0, safety: 0, social: 0, fulfill: 0 };
    this.dropTimer = 0;
    this.dropMax = 0;
    this.dropImpactDone = false;
    this.lifecycleTimer = rand(0, type === "grass" ? 1.15 : 0.55);
    this.lifecycleInterval = type === "grass" ? (1.75 + stableUnit(this.id, "grass-life") * 0.90) : (type === "zunchi" ? (0.95 + stableUnit(this.id, "zunchi-life") * 0.45) : 0);
    if (typeof initializeItemTypeState === "function") initializeItemTypeState(this, type, x, y);

  }
  get dead() {
    return this.amount <= 0;
  }
  
}

if (typeof window !== "undefined") window.Item = Item;