feat(game): 实现精灵图渲染优化游戏性能

- 新增 AnimalSpriteImage 组件用于精灵图渲染
- 集成精灵图渲染到桌面版动物组件
- 集成精灵图渲染到移动版动物组件
- 重构历史记录组件使用精灵图渲染
- 更新动物覆盖层组件使用精灵图渲染
- 移除旧的单个图片资源引用
- 添加精灵图生成脚本和相关配置
- 优化启动资源加载排除精灵图源文件
- 添加精灵图位置计算工具函数

package.json

@@ -7,6 +7,9 @@
     "commit": "cz",
     "dev": "pnpm generate-routes && vite",
     "build": "pnpm generate-routes && tsc -b && vite build",
+    "generate-animal-sprite": "node scripts/generate-animal-sprite.mjs",
+    "generate-reward-sprite": "node scripts/generate-reward-sprite.mjs",
+    "generate-sprites": "pnpm generate-animal-sprite && pnpm generate-reward-sprite",
     "generate-routes": "tsr generate",
     "lint": "biome check .",
     "lint:fix": "biome check --write .",
@@ -74,6 +77,7 @@
     "husky": "9.1.7",
     "lint-staged": "16.4.0",
     "postcss": "^8.5.12",
+    "sharp": "^0.34.5",
     "tailwindcss": "^4.2.2",
     "typescript": "~6.0.2",
     "vite": "^8.0.4"

pnpm-lock.yaml

@@ -150,6 +150,9 @@ importers:
       postcss:
         specifier: ^8.5.12
         version: 8.5.12
+      sharp:
+        specifier: ^0.34.5
+        version: 0.34.5
       tailwindcss:
         specifier: ^4.2.2
         version: 4.2.2
@@ -637,6 +640,159 @@ packages:
     peerDependencies:
       react-hook-form: ^7.55.0
 
+  '@img/colour@1.1.0':
+    resolution: {integrity: sha512-Td76q7j57o/tLVdgS746cYARfSyxk8iEfRxewL9h4OMzYhbW4TAcppl0mT4eyqXddh6L/jwoM75mo7ixa/pCeQ==}
+    engines: {node: '>=18'}
+
+  '@img/sharp-darwin-arm64@0.34.5':
+    resolution: {integrity: sha512-imtQ3WMJXbMY4fxb/Ndp6HBTNVtWCUI0WdobyheGf5+ad6xX8VIDO8u2xE4qc/fr08CKG/7dDseFtn6M6g/r3w==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [arm64]
+    os: [darwin]
+
+  '@img/sharp-darwin-x64@0.34.5':
+    resolution: {integrity: sha512-YNEFAF/4KQ/PeW0N+r+aVVsoIY0/qxxikF2SWdp+NRkmMB7y9LBZAVqQ4yhGCm/H3H270OSykqmQMKLBhBJDEw==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [x64]
+    os: [darwin]
+
+  '@img/sharp-libvips-darwin-arm64@1.2.4':
+    resolution: {integrity: sha512-zqjjo7RatFfFoP0MkQ51jfuFZBnVE2pRiaydKJ1G/rHZvnsrHAOcQALIi9sA5co5xenQdTugCvtb1cuf78Vf4g==}
+    cpu: [arm64]
+    os: [darwin]
+
+  '@img/sharp-libvips-darwin-x64@1.2.4':
+    resolution: {integrity: sha512-1IOd5xfVhlGwX+zXv2N93k0yMONvUlANylbJw1eTah8K/Jtpi15KC+WSiaX/nBmbm2HxRM1gZ0nSdjSsrZbGKg==}
+    cpu: [x64]
+    os: [darwin]
+
+  '@img/sharp-libvips-linux-arm64@1.2.4':
+    resolution: {integrity: sha512-excjX8DfsIcJ10x1Kzr4RcWe1edC9PquDRRPx3YVCvQv+U5p7Yin2s32ftzikXojb1PIFc/9Mt28/y+iRklkrw==}
+    cpu: [arm64]
+    os: [linux]
+    libc: [glibc]
+
+  '@img/sharp-libvips-linux-arm@1.2.4':
+    resolution: {integrity: sha512-bFI7xcKFELdiNCVov8e44Ia4u2byA+l3XtsAj+Q8tfCwO6BQ8iDojYdvoPMqsKDkuoOo+X6HZA0s0q11ANMQ8A==}
+    cpu: [arm]
+    os: [linux]
+    libc: [glibc]
+
+  '@img/sharp-libvips-linux-ppc64@1.2.4':
+    resolution: {integrity: sha512-FMuvGijLDYG6lW+b/UvyilUWu5Ayu+3r2d1S8notiGCIyYU/76eig1UfMmkZ7vwgOrzKzlQbFSuQfgm7GYUPpA==}
+    cpu: [ppc64]
+    os: [linux]
+    libc: [glibc]
+
+  '@img/sharp-libvips-linux-riscv64@1.2.4':
+    resolution: {integrity: sha512-oVDbcR4zUC0ce82teubSm+x6ETixtKZBh/qbREIOcI3cULzDyb18Sr/Wcyx7NRQeQzOiHTNbZFF1UwPS2scyGA==}
+    cpu: [riscv64]
+    os: [linux]
+    libc: [glibc]
+
+  '@img/sharp-libvips-linux-s390x@1.2.4':
+    resolution: {integrity: sha512-qmp9VrzgPgMoGZyPvrQHqk02uyjA0/QrTO26Tqk6l4ZV0MPWIW6LTkqOIov+J1yEu7MbFQaDpwdwJKhbJvuRxQ==}
+    cpu: [s390x]
+    os: [linux]
+    libc: [glibc]
+
+  '@img/sharp-libvips-linux-x64@1.2.4':
+    resolution: {integrity: sha512-tJxiiLsmHc9Ax1bz3oaOYBURTXGIRDODBqhveVHonrHJ9/+k89qbLl0bcJns+e4t4rvaNBxaEZsFtSfAdquPrw==}
+    cpu: [x64]
+    os: [linux]
+    libc: [glibc]
+
+  '@img/sharp-libvips-linuxmusl-arm64@1.2.4':
+    resolution: {integrity: sha512-FVQHuwx1IIuNow9QAbYUzJ+En8KcVm9Lk5+uGUQJHaZmMECZmOlix9HnH7n1TRkXMS0pGxIJokIVB9SuqZGGXw==}
+    cpu: [arm64]
+    os: [linux]
+    libc: [musl]
+
+  '@img/sharp-libvips-linuxmusl-x64@1.2.4':
+    resolution: {integrity: sha512-+LpyBk7L44ZIXwz/VYfglaX/okxezESc6UxDSoyo2Ks6Jxc4Y7sGjpgU9s4PMgqgjj1gZCylTieNamqA1MF7Dg==}
+    cpu: [x64]
+    os: [linux]
+    libc: [musl]
+
+  '@img/sharp-linux-arm64@0.34.5':
+    resolution: {integrity: sha512-bKQzaJRY/bkPOXyKx5EVup7qkaojECG6NLYswgktOZjaXecSAeCWiZwwiFf3/Y+O1HrauiE3FVsGxFg8c24rZg==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [arm64]
+    os: [linux]
+    libc: [glibc]
+
+  '@img/sharp-linux-arm@0.34.5':
+    resolution: {integrity: sha512-9dLqsvwtg1uuXBGZKsxem9595+ujv0sJ6Vi8wcTANSFpwV/GONat5eCkzQo/1O6zRIkh0m/8+5BjrRr7jDUSZw==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [arm]
+    os: [linux]
+    libc: [glibc]
+
+  '@img/sharp-linux-ppc64@0.34.5':
+    resolution: {integrity: sha512-7zznwNaqW6YtsfrGGDA6BRkISKAAE1Jo0QdpNYXNMHu2+0dTrPflTLNkpc8l7MUP5M16ZJcUvysVWWrMefZquA==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [ppc64]
+    os: [linux]
+    libc: [glibc]
+
+  '@img/sharp-linux-riscv64@0.34.5':
+    resolution: {integrity: sha512-51gJuLPTKa7piYPaVs8GmByo7/U7/7TZOq+cnXJIHZKavIRHAP77e3N2HEl3dgiqdD/w0yUfiJnII77PuDDFdw==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [riscv64]
+    os: [linux]
+    libc: [glibc]
+
+  '@img/sharp-linux-s390x@0.34.5':
+    resolution: {integrity: sha512-nQtCk0PdKfho3eC5MrbQoigJ2gd1CgddUMkabUj+rBevs8tZ2cULOx46E7oyX+04WGfABgIwmMC0VqieTiR4jg==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [s390x]
+    os: [linux]
+    libc: [glibc]
+
+  '@img/sharp-linux-x64@0.34.5':
+    resolution: {integrity: sha512-MEzd8HPKxVxVenwAa+JRPwEC7QFjoPWuS5NZnBt6B3pu7EG2Ge0id1oLHZpPJdn3OQK+BQDiw9zStiHBTJQQQQ==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [x64]
+    os: [linux]
+    libc: [glibc]
+
+  '@img/sharp-linuxmusl-arm64@0.34.5':
+    resolution: {integrity: sha512-fprJR6GtRsMt6Kyfq44IsChVZeGN97gTD331weR1ex1c1rypDEABN6Tm2xa1wE6lYb5DdEnk03NZPqA7Id21yg==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [arm64]
+    os: [linux]
+    libc: [musl]
+
+  '@img/sharp-linuxmusl-x64@0.34.5':
+    resolution: {integrity: sha512-Jg8wNT1MUzIvhBFxViqrEhWDGzqymo3sV7z7ZsaWbZNDLXRJZoRGrjulp60YYtV4wfY8VIKcWidjojlLcWrd8Q==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [x64]
+    os: [linux]
+    libc: [musl]
+
+  '@img/sharp-wasm32@0.34.5':
+    resolution: {integrity: sha512-OdWTEiVkY2PHwqkbBI8frFxQQFekHaSSkUIJkwzclWZe64O1X4UlUjqqqLaPbUpMOQk6FBu/HtlGXNblIs0huw==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [wasm32]
+
+  '@img/sharp-win32-arm64@0.34.5':
+    resolution: {integrity: sha512-WQ3AgWCWYSb2yt+IG8mnC6Jdk9Whs7O0gxphblsLvdhSpSTtmu69ZG1Gkb6NuvxsNACwiPV6cNSZNzt0KPsw7g==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [arm64]
+    os: [win32]
+
+  '@img/sharp-win32-ia32@0.34.5':
+    resolution: {integrity: sha512-FV9m/7NmeCmSHDD5j4+4pNI8Cp3aW+JvLoXcTUo0IqyjSfAZJ8dIUmijx1qaJsIiU+Hosw6xM5KijAWRJCSgNg==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [ia32]
+    os: [win32]
+
+  '@img/sharp-win32-x64@0.34.5':
+    resolution: {integrity: sha512-+29YMsqY2/9eFEiW93eqWnuLcWcufowXewwSNIT6UwZdUUCrM3oFjMWH/Z6/TMmb4hlFenmfAVbpWeup2jryCw==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+    cpu: [x64]
+    os: [win32]
+
   '@inquirer/ansi@2.0.5':
     resolution: {integrity: sha512-doc2sWgJpbFQ64UflSVd17ibMGDuxO1yKgOgLMwavzESnXjFWJqUeG8saYosqKpHp4kWiM5x1nXvEjbpx90gzw==}
     engines: {node: '>=23.5.0 || ^22.13.0 || ^21.7.0 || ^20.12.0'}
@@ -3432,6 +3588,10 @@ packages:
     resolution: {integrity: sha512-70fwnesNrY1GgeD7Kdzn+3SsYeyfibm8immsA5L68+OusoPTvYF01oWExl8/latKpMpvVXcbgdbbE6VFBJQ38w==}
     hasBin: true
 
+  sharp@0.34.5:
+    resolution: {integrity: sha512-Ou9I5Ft9WNcCbXrU9cMgPBcCK8LiwLqcbywW3t4oDV37n1pzpuNLsYiAV8eODnjbtQlSDwZ2cUEeQz4E54Hltg==}
+    engines: {node: ^18.17.0 || ^20.3.0 || >=21.0.0}
+
   shebang-command@2.0.0:
     resolution: {integrity: sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA==}
     engines: {node: '>=8'}
@@ -4335,6 +4495,102 @@ snapshots:
       '@standard-schema/utils': 0.3.0
       react-hook-form: 7.75.0(react@19.2.5)
 
+  '@img/colour@1.1.0': {}
+
+  '@img/sharp-darwin-arm64@0.34.5':
+    optionalDependencies:
+      '@img/sharp-libvips-darwin-arm64': 1.2.4
+    optional: true
+
+  '@img/sharp-darwin-x64@0.34.5':
+    optionalDependencies:
+      '@img/sharp-libvips-darwin-x64': 1.2.4
+    optional: true
+
+  '@img/sharp-libvips-darwin-arm64@1.2.4':
+    optional: true
+
+  '@img/sharp-libvips-darwin-x64@1.2.4':
+    optional: true
+
+  '@img/sharp-libvips-linux-arm64@1.2.4':
+    optional: true
+
+  '@img/sharp-libvips-linux-arm@1.2.4':
+    optional: true
+
+  '@img/sharp-libvips-linux-ppc64@1.2.4':
+    optional: true
+
+  '@img/sharp-libvips-linux-riscv64@1.2.4':
+    optional: true
+
+  '@img/sharp-libvips-linux-s390x@1.2.4':
+    optional: true
+
+  '@img/sharp-libvips-linux-x64@1.2.4':
+    optional: true
+
+  '@img/sharp-libvips-linuxmusl-arm64@1.2.4':
+    optional: true
+
+  '@img/sharp-libvips-linuxmusl-x64@1.2.4':
+    optional: true
+
+  '@img/sharp-linux-arm64@0.34.5':
+    optionalDependencies:
+      '@img/sharp-libvips-linux-arm64': 1.2.4
+    optional: true
+
+  '@img/sharp-linux-arm@0.34.5':
+    optionalDependencies:
+      '@img/sharp-libvips-linux-arm': 1.2.4
+    optional: true
+
+  '@img/sharp-linux-ppc64@0.34.5':
+    optionalDependencies:
+      '@img/sharp-libvips-linux-ppc64': 1.2.4
+    optional: true
+
+  '@img/sharp-linux-riscv64@0.34.5':
+    optionalDependencies:
+      '@img/sharp-libvips-linux-riscv64': 1.2.4
+    optional: true
+
+  '@img/sharp-linux-s390x@0.34.5':
+    optionalDependencies:
+      '@img/sharp-libvips-linux-s390x': 1.2.4
+    optional: true
+
+  '@img/sharp-linux-x64@0.34.5':
+    optionalDependencies:
+      '@img/sharp-libvips-linux-x64': 1.2.4
+    optional: true
+
+  '@img/sharp-linuxmusl-arm64@0.34.5':
+    optionalDependencies:
+      '@img/sharp-libvips-linuxmusl-arm64': 1.2.4
+    optional: true
+
+  '@img/sharp-linuxmusl-x64@0.34.5':
+    optionalDependencies:
+      '@img/sharp-libvips-linuxmusl-x64': 1.2.4
+    optional: true
+
+  '@img/sharp-wasm32@0.34.5':
+    dependencies:
+      '@emnapi/runtime': 1.9.2
+    optional: true
+
+  '@img/sharp-win32-arm64@0.34.5':
+    optional: true
+
+  '@img/sharp-win32-ia32@0.34.5':
+    optional: true
+
+  '@img/sharp-win32-x64@0.34.5':
+    optional: true
+
   '@inquirer/ansi@2.0.5': {}
 
   '@inquirer/confirm@6.0.12(@types/node@24.12.2)':
@@ -7148,6 +7404,37 @@ snapshots:
       - supports-color
       - typescript
 
+  sharp@0.34.5:
+    dependencies:
+      '@img/colour': 1.1.0
+      detect-libc: 2.1.2
+      semver: 7.7.4
+    optionalDependencies:
+      '@img/sharp-darwin-arm64': 0.34.5
+      '@img/sharp-darwin-x64': 0.34.5
+      '@img/sharp-libvips-darwin-arm64': 1.2.4
+      '@img/sharp-libvips-darwin-x64': 1.2.4
+      '@img/sharp-libvips-linux-arm': 1.2.4
+      '@img/sharp-libvips-linux-arm64': 1.2.4
+      '@img/sharp-libvips-linux-ppc64': 1.2.4
+      '@img/sharp-libvips-linux-riscv64': 1.2.4
+      '@img/sharp-libvips-linux-s390x': 1.2.4
+      '@img/sharp-libvips-linux-x64': 1.2.4
+      '@img/sharp-libvips-linuxmusl-arm64': 1.2.4
+      '@img/sharp-libvips-linuxmusl-x64': 1.2.4
+      '@img/sharp-linux-arm': 0.34.5
+      '@img/sharp-linux-arm64': 0.34.5
+      '@img/sharp-linux-ppc64': 0.34.5
+      '@img/sharp-linux-riscv64': 0.34.5
+      '@img/sharp-linux-s390x': 0.34.5
+      '@img/sharp-linux-x64': 0.34.5
+      '@img/sharp-linuxmusl-arm64': 0.34.5
+      '@img/sharp-linuxmusl-x64': 0.34.5
+      '@img/sharp-wasm32': 0.34.5
+      '@img/sharp-win32-arm64': 0.34.5
+      '@img/sharp-win32-ia32': 0.34.5
+      '@img/sharp-win32-x64': 0.34.5
+
   shebang-command@2.0.0:
     dependencies:
       shebang-regex: 3.0.0

scripts/generate-animal-sprite.mjs

@@ -0,0 +1,53 @@
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+import sharp from 'sharp'
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
+const rootDir = path.resolve(__dirname, '..')
+const animalDir = path.join(rootDir, 'src/assets/animal')
+const outputPath = path.join(animalDir, 'animal-sprite.webp')
+
+const columns = 6
+const rows = 6
+const cellWidth = 446
+const cellHeight = 224
+const quality = 82
+
+const composites = await Promise.all(
+  Array.from({ length: columns * rows }, async (_, index) => {
+    const id = index + 1
+    const input = path.join(animalDir, `${id}.webp`)
+    const left = (index % columns) * cellWidth
+    const top = Math.floor(index / columns) * cellHeight
+
+    const buffer = await sharp(input)
+      .resize(cellWidth, cellHeight, {
+        fit: 'cover',
+        position: 'center',
+      })
+      .webp({ quality })
+      .toBuffer()
+
+    return {
+      input: buffer,
+      left,
+      top,
+    }
+  }),
+)
+
+await sharp({
+  create: {
+    width: columns * cellWidth,
+    height: rows * cellHeight,
+    channels: 4,
+    background: { r: 0, g: 0, b: 0, alpha: 0 },
+  },
+})
+  .composite(composites)
+  .webp({ quality })
+  .toFile(outputPath)
+
+console.log(
+  `Generated ${path.relative(rootDir, outputPath)} (${columns}x${rows}, ${cellWidth}x${cellHeight})`,
+)

scripts/generate-reward-sprite.mjs

@@ -0,0 +1,53 @@
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+import sharp from 'sharp'
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url))
+const rootDir = path.resolve(__dirname, '..')
+const rewardDir = path.join(rootDir, 'src/assets/reward')
+const outputPath = path.join(rewardDir, 'reward-sprite.webp')
+
+const columns = 6
+const rows = 6
+const cellWidth = 102
+const cellHeight = 98
+const quality = 86
+
+const composites = await Promise.all(
+  Array.from({ length: columns * rows }, async (_, index) => {
+    const id = index + 1
+    const input = path.join(rewardDir, `${id}.webp`)
+    const left = (index % columns) * cellWidth
+    const top = Math.floor(index / columns) * cellHeight
+
+    const buffer = await sharp(input)
+      .resize(cellWidth, cellHeight, {
+        fit: 'contain',
+        background: { r: 0, g: 0, b: 0, alpha: 0 },
+      })
+      .webp({ quality })
+      .toBuffer()
+
+    return {
+      input: buffer,
+      left,
+      top,
+    }
+  }),
+)
+
+await sharp({
+  create: {
+    width: columns * cellWidth,
+    height: rows * cellHeight,
+    channels: 4,
+    background: { r: 0, g: 0, b: 0, alpha: 0 },
+  },
+})
+  .composite(composites)
+  .webp({ quality })
+  .toFile(outputPath)
+
+console.log(
+  `Generated ${path.relative(rootDir, outputPath)} (${columns}x${rows}, ${cellWidth}x${cellHeight})`,
+)

src/components/app-boot-resource-gate.tsx

@@ -2,7 +2,15 @@ import { type PropsWithChildren, useEffect, useMemo, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 
 const bootImageModules = import.meta.glob(
+  [
     '../assets/**/*.{jpg,jpeg,png,svg,webp}',
+    '!../assets/animal/[1-9].webp',
+    '!../assets/animal/[12][0-9].webp',
+    '!../assets/animal/3[0-6].webp',
+    '!../assets/reward/[1-9].webp',
+    '!../assets/reward/[12][0-9].webp',
+    '!../assets/reward/3[0-6].webp',
+  ],
   {
     eager: true,
     import: 'default',
@@ -12,6 +20,8 @@ const bootImageModules = import.meta.glob(
 const BOOT_MIN_VISIBLE_MS = 900
 const PC_LOADING_BG_URL = '/loading/pc-loading-bg.webp'
 const MOBILE_LOADING_BG_URL = '/loading/mobile-loading-bg.webp'
+const SPRITE_SOURCE_IMAGE_PATTERN =
+  /^\.\.\/assets\/(?:animal|reward)\/(?:[1-9]|[12]\d|3[0-6])\.webp$/
 
 function preloadImage(url: string) {
   return new Promise<void>((resolve) => {
@@ -33,7 +43,16 @@ function waitForFonts() {
 
 function useBootResourceLoader() {
   const imageUrls = useMemo(
-    () => Array.from(new Set(Object.values(bootImageModules))).filter(Boolean),
+    () =>
+      Array.from(
+        new Set(
+          Object.entries(bootImageModules)
+            .filter(
+              ([sourcePath]) => !SPRITE_SOURCE_IMAGE_PATTERN.test(sourcePath),
+            )
+            .map(([, url]) => url),
+        ),
+      ).filter(Boolean),
     [],
   )
   const [progress, setProgress] = useState(0)

src/features/game/components/desktop/desktop-animal-overlay.tsx

@@ -16,10 +16,8 @@ import { LottiePlayer } from '@/components/lottie-player.tsx'
 import { SmartBackground } from '@/components/smart-background.tsx'
 import { SmartImage } from '@/components/smart-image'
 import { REWARD_OVERLAY_DURATION_MS } from '@/constants'
-import {
+import { AnimalSpriteImage } from '@/features/game/components/shared/animal-sprite-image'
-  FLOWER_IMAGE_BY_ID,
+import { groupSelectionsByCell } from '@/features/game/shared'
-  groupSelectionsByCell,
-} from '@/features/game/shared'
 import { cn } from '@/lib/utils'
 import { useAuthStore } from '@/store/auth'
 import { useGameAutoHostingStore, useGameRoundStore } from '@/store/game'
@@ -34,7 +32,6 @@ type RewardChildrenStage = 'hidden' | 'visible' | 'exiting'
 type StopBetItem = {
   amount: number
   cellId: number
-  imageUrl: string
 }
 
 interface DesktopAnimalOverlayProps {
@@ -115,7 +112,6 @@ function getStopBetItems(selections: BetSelection[]) {
       return {
         amount: meta.amount,
         cellId: normalizedCellId,
-        imageUrl: FLOWER_IMAGE_BY_ID[normalizedCellId]?.animalUrl ?? '',
       } satisfies StopBetItem
     })
     .sort((left, right) => left.cellId - right.cellId)
@@ -144,15 +140,11 @@ function StopBetSummary({
           className="flex h-design-90 min-w-design-230 items-center gap-design-10 overflow-hidden rounded-[calc(var(--design-unit)*12)] border border-[rgba(124,232,255,0.2)] bg-[linear-gradient(90deg,rgba(7,42,38,0.94),rgba(5,23,34,0.96)_44%,rgba(18,25,25,0.94))] px-design-8 shadow-[0_0_calc(var(--design-unit)*16)_rgba(51,231,255,0.16),inset_0_calc(var(--design-unit)*1)_0_rgba(255,255,255,0.08)]"
         >
           <div className="relative h-design-72 w-design-72 shrink-0 overflow-hidden rounded-[calc(var(--design-unit)*10)] bg-[rgba(1,8,13,0.84)] shadow-[0_0_calc(var(--design-unit)*12)_rgba(86,247,255,0.18)]">
-            {item.imageUrl ? (
+            <AnimalSpriteImage
-              <SmartImage
+              animalId={item.cellId}
-                src={item.imageUrl}
+              fit="cover"
-                alt=""
-                showSkeleton={false}
               className="h-full w-full"
-                imgClassName="object-cover"
             />
-            ) : null}
           </div>
           <div className="flex h-design-72 min-w-0 flex-1 flex-col items-stretch justify-center gap-design-7 leading-none">
             <div className="flex h-design-28 w-full items-center justify-center rounded-full bg-[rgba(4,31,31,0.9)] text-design-24 font-black leading-none text-[#78FF7F] shadow-[inset_0_0_calc(var(--design-unit)*10)_rgba(120,255,127,0.08)] [text-shadow:0_0_calc(var(--design-unit)*10)_rgba(120,255,127,0.52)]">
@@ -189,8 +181,6 @@ function NoRewardSettlement({
   resultLabel: string
   resultNumber: number
 }) {
-  const winningImageUrl = FLOWER_IMAGE_BY_ID[resultNumber]?.animalUrl ?? ''
-
   return (
     <div className="relative z-10 flex w-design-720 max-w-[84%] flex-col items-center justify-center gap-design-18 rounded-[calc(var(--design-unit)*22)] border border-[rgba(124,232,255,0.34)] bg-[linear-gradient(180deg,rgba(7,28,40,0.96),rgba(3,12,20,0.98))] px-design-28 py-design-24 text-center shadow-[0_0_calc(var(--design-unit)*28)_rgba(70,245,255,0.28),0_0_calc(var(--design-unit)*64)_rgba(20,112,210,0.18),inset_0_0_calc(var(--design-unit)*24)_rgba(124,232,255,0.12)]">
       <div className="text-design-34 font-black tracking-[0.14em] text-[#D8FBFF] [text-shadow:0_0_calc(var(--design-unit)*16)_rgba(84,245,255,0.42)]">
@@ -203,14 +193,11 @@ function NoRewardSettlement({
             {resultLabel}
           </div>
           <div className="relative h-design-76 w-design-76 overflow-hidden rounded-[calc(var(--design-unit)*10)] border border-[rgba(120,255,127,0.36)] bg-[rgba(1,8,13,0.84)] shadow-[0_0_calc(var(--design-unit)*18)_rgba(120,255,127,0.2)]">
-            {winningImageUrl ? (
+            <AnimalSpriteImage
-              <img
+              animalId={resultNumber}
-                src={winningImageUrl}
+              fit="cover"
-                alt=""
+              className="h-full w-full"
-                aria-hidden="true"
-                className="h-full w-full object-cover"
             />
-            ) : null}
           </div>
           <div className="rounded-full border border-[rgba(120,255,127,0.38)] bg-[rgba(4,31,31,0.78)] px-design-16 py-design-4 text-design-26 font-black leading-none text-[#78FF7F] [text-shadow:0_0_calc(var(--design-unit)*12)_rgba(120,255,127,0.52)]">
             {String(resultNumber).padStart(2, '0')}
@@ -228,14 +215,11 @@ function NoRewardSettlement({
                 className="flex h-design-104 w-design-88 flex-col items-center justify-center gap-design-4 overflow-hidden rounded-[calc(var(--design-unit)*10)] border border-[rgba(124,232,255,0.22)] bg-[linear-gradient(180deg,rgba(8,34,42,0.9),rgba(3,13,20,0.96))] p-design-4"
               >
                 <div className="relative h-design-76 w-design-76 overflow-hidden rounded-[calc(var(--design-unit)*10)] bg-[rgba(1,8,13,0.84)]">
-                  {item.imageUrl ? (
+                  <AnimalSpriteImage
-                    <img
+                    animalId={item.cellId}
-                      src={item.imageUrl}
+                    fit="cover"
-                      alt=""
+                    className="h-full w-full"
-                      aria-hidden="true"
-                      className="h-full w-full object-cover"
                   />
-                  ) : null}
                 </div>
                 <div className="text-design-20 font-black leading-none text-[#4BFFFE] [text-shadow:0_0_calc(var(--design-unit)*8)_rgba(75,255,254,0.46)]">
                   {String(item.cellId).padStart(2, '0')}

src/features/game/components/desktop/desktop-animal.tsx

@@ -6,6 +6,7 @@ import animalBorderImage from '@/assets/game/animal-border.webp'
 import diamondIcon from '@/assets/system/diamond.webp'
 import { SmartImage } from '@/components/smart-image'
 import { DesktopAnimalOverlay } from '@/features/game/components/desktop/desktop-animal-overlay.tsx'
+import { AnimalSpriteImage } from '@/features/game/components/shared/animal-sprite-image'
 import { RoundBettingStartAlert } from '@/features/game/components/shared/round-betting-start-alert.tsx'
 import { FLOWER_IMAGE_LIST } from '@/features/game/shared'
 import { useAnimalVm } from '@/hooks/use-animal-vm'
@@ -367,8 +368,8 @@ export function DesktopAnimal({
                 className="pointer-events-none absolute inset-[calc(var(--design-unit)*2)] z-20 rounded-[calc(var(--design-unit)*15)] bg-[rgba(4,16,24,0.52)] shadow-[inset_0_0_calc(var(--design-unit)*20)_rgba(3,9,14,0.56)]"
               />
             ) : null}
-            <SmartImage
+            <AnimalSpriteImage
-              src={item.animalUrl}
+              animalId={item.id}
               alt={`animal-${item.id}`}
               className={cn(
                 'absolute left-[1.5%] right-[1.5%] top-[2.9%] bottom-[2.9%] z-10 overflow-hidden rounded-[calc(var(--design-unit)*14)]',
@@ -378,7 +379,6 @@ export function DesktopAnimal({
                   'brightness-110 saturate-120 drop-shadow-[0_0_calc(var(--design-unit)*9)_rgba(106,250,255,0.44)]',
                 imageClassName,
               )}
-              imgClassName="object-fill"
             />
             {showCellWarning ? (
               <motion.span

src/features/game/components/desktop/desktop-game-history.tsx

@@ -3,9 +3,8 @@ import { useCallback, useRef } from 'react'
 import { useTranslation } from 'react-i18next'
 import historyBg from '@/assets/system/history-bg.png'
 import { SmartBackground } from '@/components/smart-background.tsx'
-import { SmartImage } from '@/components/smart-image'
 import { DataLoadingIndicator } from '@/components/ui/data-loading-indicator'
-import { FLOWER_IMAGE_BY_ID } from '@/features/game/shared'
+import { RewardSpriteImage } from '@/features/game/components/shared/reward-sprite-image'
 import { useGameHistoryVm } from '@/hooks/use-game-history-vm.ts'
 
 function HistoryRewardNumber({
@@ -15,10 +14,9 @@ function HistoryRewardNumber({
   className?: string
   number: number
 }) {
-  const image = FLOWER_IMAGE_BY_ID[number]
   const label = String(number).padStart(2, '0')
 
-  if (!image?.rewardUrl) {
+  if (!Number.isInteger(number) || number < 1 || number > 36) {
     return (
       <span
         className={`inline-flex h-design-38 min-w-design-38 shrink-0 items-center justify-center px-design-5 text-design-15 font-bold text-[#D5FBFF] shadow-[inset_0_0_calc(var(--design-unit)*10)_rgba(75,233,255,0.12),0_0_calc(var(--design-unit)*10)_rgba(75,233,255,0.1)] align-middle ${className ?? ''}`}
@@ -33,12 +31,10 @@ function HistoryRewardNumber({
       className={`inline-flex h-design-38 w-design-38 shrink-0 items-center justify-center p-design-1 align-middle ${className ?? ''}`}
       title={label}
     >
-      <SmartImage
+      <RewardSpriteImage
-        src={image.rewardUrl}
+        rewardId={number}
         alt={label}
-        showSkeleton={false}
+        className="h-full w-full"
-        className="h-full w-full overflow-visible"
-        imgClassName="object-contain"
       />
     </span>
   )

src/features/game/components/mobile/mobile-animal-overlay.tsx

@@ -16,10 +16,8 @@ import { LottiePlayer } from '@/components/lottie-player.tsx'
 import { SmartBackground } from '@/components/smart-background.tsx'
 import { SmartImage } from '@/components/smart-image'
 import { REWARD_OVERLAY_DURATION_MS } from '@/constants'
-import {
+import { AnimalSpriteImage } from '@/features/game/components/shared/animal-sprite-image'
-  FLOWER_IMAGE_BY_ID,
+import { groupSelectionsByCell } from '@/features/game/shared'
-  groupSelectionsByCell,
-} from '@/features/game/shared'
 import { cn } from '@/lib/utils'
 import { useAuthStore } from '@/store/auth'
 import { useGameAutoHostingStore, useGameRoundStore } from '@/store/game'
@@ -34,7 +32,6 @@ type RewardChildrenStage = 'hidden' | 'visible' | 'exiting'
 type StopBetItem = {
   amount: number
   cellId: number
-  imageUrl: string
 }
 
 interface MobileAnimalOverlayProps {
@@ -113,7 +110,6 @@ function getStopBetItems(selections: BetSelection[]) {
       return {
         amount: meta.amount,
         cellId: normalizedCellId,
-        imageUrl: FLOWER_IMAGE_BY_ID[normalizedCellId]?.animalUrl ?? '',
       } satisfies StopBetItem
     })
     .sort((left, right) => left.cellId - right.cellId)
@@ -142,15 +138,11 @@ function StopBetSummary({
           className="flex h-design-42 min-w-design-100 items-center gap-design-5 overflow-hidden rounded-[calc(var(--design-unit)*7)] border border-[rgba(124,232,255,0.2)] bg-[linear-gradient(90deg,rgba(7,42,38,0.94),rgba(5,23,34,0.96)_44%,rgba(18,25,25,0.94))] px-design-4"
         >
           <div className="relative h-design-32 w-design-32 shrink-0 overflow-hidden rounded-[calc(var(--design-unit)*5)] bg-[rgba(1,8,13,0.84)]">
-            {item.imageUrl ? (
+            <AnimalSpriteImage
-              <SmartImage
+              animalId={item.cellId}
-                src={item.imageUrl}
+              fit="cover"
-                alt=""
-                showSkeleton={false}
               className="h-full w-full"
-                imgClassName="object-cover"
             />
-            ) : null}
           </div>
           <div className="flex min-w-0 flex-1 flex-col items-stretch justify-center gap-design-3 leading-none">
             <div className="flex h-design-13 w-full items-center justify-center rounded-full bg-[rgba(4,31,31,0.9)] text-design-11 font-black leading-none text-[#78FF7F] [text-shadow:0_0_calc(var(--design-unit)*7)_rgba(120,255,127,0.52)]">
@@ -187,8 +179,6 @@ function NoRewardSettlement({
   resultLabel: string
   resultNumber: number
 }) {
-  const winningImageUrl = FLOWER_IMAGE_BY_ID[resultNumber]?.animalUrl ?? ''
-
   return (
     <div className="relative z-10 flex w-design-336 max-w-[96%] flex-col items-center justify-center gap-design-9 rounded-[calc(var(--design-unit)*13)] border border-[rgba(124,232,255,0.34)] bg-[linear-gradient(180deg,rgba(7,28,40,0.96),rgba(3,12,20,0.98))] px-design-8 py-design-10 text-center shadow-[0_0_calc(var(--design-unit)*18)_rgba(70,245,255,0.28),0_0_calc(var(--design-unit)*34)_rgba(20,112,210,0.18),inset_0_0_calc(var(--design-unit)*16)_rgba(124,232,255,0.12)]">
       <div className="text-design-20 font-black tracking-[0.12em] text-[#D8FBFF] [text-shadow:0_0_calc(var(--design-unit)*10)_rgba(84,245,255,0.42)]">
@@ -201,14 +191,11 @@ function NoRewardSettlement({
             {resultLabel}
           </div>
           <div className="relative h-design-46 w-design-46 overflow-hidden rounded-[calc(var(--design-unit)*6)] border border-[rgba(120,255,127,0.32)] bg-[rgba(1,8,13,0.84)]">
-            {winningImageUrl ? (
+            <AnimalSpriteImage
-              <img
+              animalId={resultNumber}
-                src={winningImageUrl}
+              fit="cover"
-                alt=""
+              className="h-full w-full"
-                aria-hidden="true"
-                className="h-full w-full object-cover"
             />
-            ) : null}
           </div>
           <div className="rounded-full border border-[rgba(120,255,127,0.36)] bg-[rgba(4,31,31,0.72)] px-design-8 py-design-2 text-design-15 font-black leading-none text-[#78FF7F] [text-shadow:0_0_calc(var(--design-unit)*7)_rgba(120,255,127,0.52)]">
             {String(resultNumber).padStart(2, '0')}
@@ -226,14 +213,11 @@ function NoRewardSettlement({
                 className="flex h-design-52 w-design-42 flex-col items-center justify-center gap-design-2 overflow-hidden rounded-[calc(var(--design-unit)*6)] border border-[rgba(124,232,255,0.2)] bg-[linear-gradient(180deg,rgba(8,34,42,0.88),rgba(3,13,20,0.94))] p-design-2"
               >
                 <div className="relative h-design-30 w-design-30 overflow-hidden rounded-[calc(var(--design-unit)*4)] bg-[rgba(1,8,13,0.84)]">
-                  {item.imageUrl ? (
+                  <AnimalSpriteImage
-                    <img
+                    animalId={item.cellId}
-                      src={item.imageUrl}
+                    fit="cover"
-                      alt=""
+                    className="h-full w-full"
-                      aria-hidden="true"
-                      className="h-full w-full object-cover"
                   />
-                  ) : null}
                 </div>
                 <div className="text-design-11 font-black leading-none text-[#4BFFFE] [text-shadow:0_0_calc(var(--design-unit)*6)_rgba(75,255,254,0.46)]">
                   {String(item.cellId).padStart(2, '0')}

src/features/game/components/mobile/mobile-animal.tsx

@@ -7,6 +7,7 @@ import diamondIcon from '@/assets/system/diamond.webp'
 import { SmartImage } from '@/components/smart-image'
 import { MobileAnimalOverlay } from '@/features/game/components/mobile/mobile-animal-overlay.tsx'
 import { MobileStatusLine } from '@/features/game/components/mobile/mobile-status.tsx'
+import { AnimalSpriteImage } from '@/features/game/components/shared/animal-sprite-image'
 import { FLOWER_IMAGE_LIST } from '@/features/game/shared'
 import { useAnimalVm } from '@/hooks/use-animal-vm'
 import { cn } from '@/lib/utils'
@@ -372,8 +373,8 @@ export function MobileAnimal({
                     className="pointer-events-none absolute inset-[calc(var(--design-unit)*1)] z-20 rounded-[calc(var(--design-unit)*6)] bg-[rgba(4,16,24,0.52)] shadow-[inset_0_0_calc(var(--design-unit)*12)_rgba(3,9,14,0.56)]"
                   />
                 ) : null}
-                <SmartImage
+                <AnimalSpriteImage
-                  src={item.animalUrl}
+                  animalId={item.id}
                   alt={`animal-${item.id}`}
                   className={cn(
                     'absolute left-[1.5%] right-[1.5%] top-[2.9%] bottom-[2.9%] z-10 overflow-hidden rounded-[calc(var(--design-unit)*6)]',
@@ -383,7 +384,6 @@ export function MobileAnimal({
                       'brightness-110 saturate-120 drop-shadow-[0_0_calc(var(--design-unit)*9)_rgba(106,250,255,0.44)]',
                     imageClassName,
                   )}
-                  imgClassName="object-fill"
                 />
                 {showCellWarning ? (
                   <motion.span

src/features/game/components/mobile/mobile-game-history.tsx

@@ -1,9 +1,8 @@
 import { History } from 'lucide-react'
 import { useCallback, useRef } from 'react'
 import { useTranslation } from 'react-i18next'
-import { SmartImage } from '@/components/smart-image'
 import { DataLoadingIndicator } from '@/components/ui/data-loading-indicator'
-import { FLOWER_IMAGE_BY_ID } from '@/features/game/shared'
+import { RewardSpriteImage } from '@/features/game/components/shared/reward-sprite-image'
 import { useGameHistoryVm } from '@/hooks/use-game-history-vm.ts'
 
 function HistoryRewardNumber({
@@ -13,10 +12,9 @@ function HistoryRewardNumber({
   className?: string
   number: number
 }) {
-  const image = FLOWER_IMAGE_BY_ID[number]
   const label = String(number).padStart(2, '0')
 
-  if (!image?.rewardUrl) {
+  if (!Number.isInteger(number) || number < 1 || number > 36) {
     return (
       <span
         className={`inline-flex h-design-24 min-w-design-24 shrink-0 items-center justify-center rounded-[calc(var(--design-unit)*4)] border border-[rgba(95,233,255,0.22)] bg-[rgba(6,28,39,0.7)] px-design-4 text-design-10 font-bold text-[#D5FBFF] align-middle ${className ?? ''}`}
@@ -31,12 +29,10 @@ function HistoryRewardNumber({
       className={`inline-flex h-design-24 w-design-24 shrink-0 items-center justify-center rounded-[calc(var(--design-unit)*4)] border border-[rgba(95,233,255,0.16)] bg-[rgba(6,28,39,0.38)] p-design-1 align-middle ${className ?? ''}`}
       title={label}
     >
-      <SmartImage
+      <RewardSpriteImage
-        src={image.rewardUrl}
+        rewardId={number}
         alt={label}
-        showSkeleton={false}
+        className="h-full w-full"
-        className="h-full w-full overflow-visible"
-        imgClassName="object-contain"
       />
     </span>
   )

src/features/game/components/mobile/mobile-period-history-list.tsx

@@ -1,4 +1,5 @@
 import { DataLoadingIndicator } from '@/components/ui/data-loading-indicator'
+import { AnimalSpriteImage } from '@/features/game/components/shared/animal-sprite-image'
 import type { PeriodHistoryDisplayItem } from '@/hooks/use-period-history-vm'
 import { cn } from '@/lib/utils'
 
@@ -107,16 +108,12 @@ export function MobilePeriodHistoryList({
             </span>
 
             <span className="flex min-w-0 items-center justify-center overflow-hidden">
-              {item.image ? (
+              <AnimalSpriteImage
-                <img
+                animalId={item.animalId}
-                  src={item.image}
                 alt={item.displayResultNumber}
-                  draggable={false}
+                fit="cover"
-                  className="h-design-34 w-auto max-w-full object-contain drop-shadow-[0_0_calc(var(--design-unit)*6)_rgba(99,243,255,0.12)]"
+                className="h-design-34 w-full drop-shadow-[0_0_calc(var(--design-unit)*6)_rgba(99,243,255,0.12)]"
               />
-              ) : (
-                <span className="text-design-9 text-[#668C92]">--</span>
-              )}
             </span>
           </div>
         </div>

src/features/game/components/shared/animal-sprite-image.tsx

@@ -0,0 +1,61 @@
+import type { HTMLAttributes } from 'react'
+import animalSpriteUrl from '@/assets/animal/animal-sprite.webp'
+import {
+  ANIMAL_SPRITE_CELL_ASPECT_RATIO,
+  ANIMAL_SPRITE_COLUMNS,
+  ANIMAL_SPRITE_ROWS,
+  getAnimalSpritePosition,
+} from '@/features/game/shared'
+import { cn } from '@/lib/utils'
+
+interface AnimalSpriteImageProps
+  extends Omit<HTMLAttributes<HTMLSpanElement>, 'children'> {
+  animalId: number
+  alt?: string
+  fit?: 'cover' | 'fill'
+  imageClassName?: string
+}
+
+export function AnimalSpriteImage({
+  animalId,
+  alt = '',
+  className,
+  fit = 'fill',
+  imageClassName,
+  style,
+  ...props
+}: AnimalSpriteImageProps) {
+  const position = getAnimalSpritePosition(animalId)
+  const accessibilityProps = alt
+    ? ({ 'aria-label': alt, role: 'img' } as const)
+    : ({ 'aria-hidden': 'true' } as const)
+
+  return (
+    <span
+      {...accessibilityProps}
+      {...props}
+      className={cn('relative block overflow-hidden', className)}
+      style={style}
+    >
+      {position ? (
+        <span
+          aria-hidden="true"
+          className={cn(
+            'block bg-no-repeat',
+            fit === 'cover'
+              ? 'absolute left-1/2 top-1/2 h-full min-w-full -translate-x-1/2 -translate-y-1/2'
+              : 'absolute inset-0',
+            imageClassName,
+          )}
+          style={{
+            aspectRatio:
+              fit === 'cover' ? ANIMAL_SPRITE_CELL_ASPECT_RATIO : undefined,
+            backgroundImage: `url(${animalSpriteUrl})`,
+            backgroundPosition: `${position.xPercent}% ${position.yPercent}%`,
+            backgroundSize: `${ANIMAL_SPRITE_COLUMNS * 100}% ${ANIMAL_SPRITE_ROWS * 100}%`,
+          }}
+        />
+      ) : null}
+    </span>
+  )
+}

src/features/game/components/shared/period-history-list.tsx

@@ -1,4 +1,5 @@
 import { DataLoadingIndicator } from '@/components/ui/data-loading-indicator'
+import { AnimalSpriteImage } from '@/features/game/components/shared/animal-sprite-image'
 import type { PeriodHistoryDisplayItem } from '@/hooks/use-period-history-vm'
 import { cn } from '@/lib/utils'
 
@@ -95,16 +96,12 @@ export function PeriodHistoryList({
             {item.displayResultNumber}
           </span>
           <span className="flex h-design-50 w-design-72 shrink-0 items-center justify-end overflow-hidden">
-            {item.image ? (
+            <AnimalSpriteImage
-              <img
+              animalId={item.animalId}
-                src={item.image}
               alt={item.displayResultNumber}
-                draggable={false}
+              fit="cover"
-                className="h-full w-auto max-w-none shrink-0 object-contain"
+              className="h-full w-full"
             />
-            ) : (
-              <span className="text-design-13 text-[#668C92]">--</span>
-            )}
           </span>
         </div>
       ))}

src/features/game/components/shared/reward-sprite-image.tsx

@@ -0,0 +1,52 @@
+import type { HTMLAttributes } from 'react'
+import rewardSpriteUrl from '@/assets/reward/reward-sprite.webp'
+import {
+  getRewardSpritePosition,
+  REWARD_SPRITE_CELL_ASPECT_RATIO,
+  REWARD_SPRITE_COLUMNS,
+  REWARD_SPRITE_ROWS,
+} from '@/features/game/shared'
+import { cn } from '@/lib/utils'
+
+interface RewardSpriteImageProps
+  extends Omit<HTMLAttributes<HTMLSpanElement>, 'children'> {
+  alt?: string
+  imageClassName?: string
+  rewardId: number
+}
+
+export function RewardSpriteImage({
+  alt = '',
+  className,
+  imageClassName,
+  rewardId,
+  style,
+  ...props
+}: RewardSpriteImageProps) {
+  const position = getRewardSpritePosition(rewardId)
+  const accessibilityProps = alt
+    ? ({ 'aria-label': alt, role: 'img' } as const)
+    : ({ 'aria-hidden': 'true' } as const)
+
+  return (
+    <span
+      {...accessibilityProps}
+      {...props}
+      className={cn('relative block overflow-hidden', className)}
+      style={style}
+    >
+      {position ? (
+        <span
+          aria-hidden="true"
+          className={cn('absolute inset-0 block bg-no-repeat', imageClassName)}
+          style={{
+            aspectRatio: REWARD_SPRITE_CELL_ASPECT_RATIO,
+            backgroundImage: `url(${rewardSpriteUrl})`,
+            backgroundPosition: `${position.xPercent}% ${position.yPercent}%`,
+            backgroundSize: `${REWARD_SPRITE_COLUMNS * 100}% ${REWARD_SPRITE_ROWS * 100}%`,
+          }}
+        />
+      ) : null}
+    </span>
+  )
+}

src/features/game/shared/flower-assets.ts

@@ -1,27 +1,64 @@
 import type { FlowerImageAsset } from '@/type'
 
-const animalModules = import.meta.glob('../../../assets/animal/*.webp', {
+export const ANIMAL_SPRITE_COLUMNS = 6
-  eager: true,
+export const ANIMAL_SPRITE_ROWS = 6
-  import: 'default',
+export const ANIMAL_SPRITE_CELL_WIDTH = 446
-}) as Record<string, string>
+export const ANIMAL_SPRITE_CELL_HEIGHT = 224
+export const ANIMAL_SPRITE_CELL_ASPECT_RATIO = `${ANIMAL_SPRITE_CELL_WIDTH} / ${ANIMAL_SPRITE_CELL_HEIGHT}`
+export const ANIMAL_SPRITE_ITEM_COUNT =
+  ANIMAL_SPRITE_COLUMNS * ANIMAL_SPRITE_ROWS
+export const REWARD_SPRITE_COLUMNS = 6
+export const REWARD_SPRITE_ROWS = 6
+export const REWARD_SPRITE_CELL_WIDTH = 102
+export const REWARD_SPRITE_CELL_HEIGHT = 98
+export const REWARD_SPRITE_CELL_ASPECT_RATIO = `${REWARD_SPRITE_CELL_WIDTH} / ${REWARD_SPRITE_CELL_HEIGHT}`
+export const REWARD_SPRITE_ITEM_COUNT =
+  REWARD_SPRITE_COLUMNS * REWARD_SPRITE_ROWS
 
-const rewardModules = import.meta.glob('../../../assets/reward/*.webp', {
+export function getAnimalSpritePosition(animalId: number) {
-  eager: true,
+  if (
-  import: 'default',
+    !Number.isInteger(animalId) ||
-}) as Record<string, string>
+    animalId < 1 ||
+    animalId > ANIMAL_SPRITE_ITEM_COUNT
+  ) {
+    return null
+  }
+
+  const index = animalId - 1
+  const column = index % ANIMAL_SPRITE_COLUMNS
+  const row = Math.floor(index / ANIMAL_SPRITE_COLUMNS)
+
+  return {
+    xPercent: (column / (ANIMAL_SPRITE_COLUMNS - 1)) * 100,
+    yPercent: (row / (ANIMAL_SPRITE_ROWS - 1)) * 100,
+  }
+}
+
+export function getRewardSpritePosition(rewardId: number) {
+  if (
+    !Number.isInteger(rewardId) ||
+    rewardId < 1 ||
+    rewardId > REWARD_SPRITE_ITEM_COUNT
+  ) {
+    return null
+  }
+
+  const index = rewardId - 1
+  const column = index % REWARD_SPRITE_COLUMNS
+  const row = Math.floor(index / REWARD_SPRITE_COLUMNS)
+
+  return {
+    xPercent: (column / (REWARD_SPRITE_COLUMNS - 1)) * 100,
+    yPercent: (row / (REWARD_SPRITE_ROWS - 1)) * 100,
+  }
+}
 
 export const FLOWER_IMAGE_LIST: FlowerImageAsset[] = Array.from(
   { length: 36 },
-  (_, index) => {
+  (_, index) => ({
-    const id = index + 1
+    id: index + 1,
-
+  }),
-    return {
+)
-      animalUrl: animalModules[`../../../assets/animal/${id}.webp`] ?? '',
-      id,
-      rewardUrl: rewardModules[`../../../assets/reward/${id}.webp`] ?? '',
-    }
-  },
-).filter((item) => item.animalUrl && item.rewardUrl)
 
 export const FLOWER_IMAGE_BY_ID = FLOWER_IMAGE_LIST.reduce<
   Record<number, FlowerImageAsset>

src/hooks/use-period-history-vm.ts

@@ -2,7 +2,6 @@ import { useQuery } from '@tanstack/react-query'
 import { useMemo } from 'react'
 
 import { getGamePeriodHistory } from '@/api'
-import { FLOWER_IMAGE_BY_ID } from '@/features/game/shared'
 import type { GamePeriodHistoryItemDto, PeriodHistoryDisplayItem } from '@/type'
 
 export type { PeriodHistoryDisplayItem } from '@/type'
@@ -23,9 +22,9 @@ export function toPeriodHistoryDisplayItem(
   item: GamePeriodHistoryItemDto,
 ): PeriodHistoryDisplayItem {
   return {
+    animalId: item.result_number,
     displayPeriodNo: formatPeriodNo(item.period_no),
     displayResultNumber: formatResultNumber(item.result_number),
-    image: FLOWER_IMAGE_BY_ID[item.result_number]?.animalUrl ?? '',
     isOdd: item.result_number % 2 === 1,
     openTime: item.open_time,
     periodNo: item.period_no,

src/type/game.type.ts

@@ -158,9 +158,9 @@ export interface SelectionSummary {
 }
 
 export interface PeriodHistoryDisplayItem {
+  animalId: number
   displayPeriodNo: string
   displayResultNumber: string
-  image: string
   isOdd: boolean
   openTime: number
   periodNo: string
@@ -168,9 +168,7 @@ export interface PeriodHistoryDisplayItem {
 }
 
 export interface FlowerImageAsset {
-  animalUrl: string
   id: number
-  rewardUrl: string
 }
 
 export interface RevealAnimationState {