picoGraph/sprite-editor.html at main · litruv/picoGraph · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>PICO-8 Sprite Editor - Picograph</title>
  <link rel="stylesheet" href="styles/main.css">
  <style>
    body {
      margin: 0;
      padding: 0;
      width: 100vw;
      height: 100vh;
      overflow: hidden;
    }

    #editor-container {
      width: 100%;
      height: 100%;
    }

    .sprite-editor-header {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 0.75rem;
      padding: 0.5rem 0.75rem;
      background: var(--surface-2);
      border-bottom: 1px solid var(--edge);
    }

    .sprite-editor-title {
      font-size: 0.85rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .sprite-editor-actions {
      display: flex;
      gap: 0.5rem;
    }

    .sprite-editor-btn {
      padding: 0.4rem 0.75rem;
      font-size: 0.8rem;
    }
  </style>
</head>
<body>
  <div class="sprite-editor-header">
    <div class="sprite-editor-title">🎨 Sprite Editor</div>
    <div></div>
    <div class="sprite-editor-actions">
      <button class="sprite-editor-btn" id="export-btn">Export to .p8</button>
      <button class="sprite-editor-btn" id="import-btn">Import from .p8</button>
      <button class="sprite-editor-btn" id="save-json-btn">Save JSON</button>
    </div>
  </div>

  <div id="editor-container"></div>

  <script type="module">
    import { SpriteEditor } from './scripts/ui/SpriteEditor.js';
    import { SpriteSheet } from './scripts/core/SpriteSheet.js';

    // Initialize the sprite editor
    const container = document.getElementById('editor-container');
    const spriteSheet = new SpriteSheet();
    const editor = new SpriteEditor(container, spriteSheet);

    // Export to .p8 format
    document.getElementById('export-btn').addEventListener('click', () => {
      const gfxData = editor.getSpriteSheet().toP8Gfx();
      const flagData = editor.getSpriteSheet().toP8Flags();

      const p8Content = `pico-8 cartridge // http://www.pico-8.com
version 41
__lua__
-- your code here
__gfx__
${gfxData}
__gff__
${flagData}
`;

      // Download the .p8 file
      const blob = new Blob([p8Content], { type: 'text/plain' });
      const url = URL.createObjectURL(blob);
      const a = document.createElement('a');
      a.href = url;
      a.download = 'sprites.p8';
      a.click();
      URL.revokeObjectURL(url);
    });

    // Import from .p8 format
    document.getElementById('import-btn').addEventListener('click', () => {
      const input = document.createElement('input');
      input.type = 'file';
      input.accept = '.p8';

      input.addEventListener('change', async (e) => {
        const file = e.target.files[0];
        if (!file) return;

        const text = await file.text();

        // Extract __gfx__ section
        const gfxMatch = text.match(/__gfx__\s*\n([\s\S]*?)(?=\n__|$)/);
        if (gfxMatch) {
          editor.getSpriteSheet().fromP8Gfx(gfxMatch[1]);
        }

        // Extract __gff__ section
        const gffMatch = text.match(/__gff__\s*\n([\s\S]*?)(?=\n__|$)/);
        if (gffMatch) {
          editor.getSpriteSheet().fromP8Flags(gffMatch[1]);
        }

        // Re-render
        editor.setSpriteSheet(editor.getSpriteSheet());
      });

      input.click();
    });

    // Save as JSON
    document.getElementById('save-json-btn').addEventListener('click', () => {
      const json = JSON.stringify(editor.getSpriteSheet().toJSON(), null, 2);
      const blob = new Blob([json], { type: 'application/json' });
      const url = URL.createObjectURL(blob);
      const a = document.createElement('a');
      a.href = url;
      a.download = 'sprites.json';
      a.click();
      URL.revokeObjectURL(url);
    });

    // Example: Draw a smiley face on sprite 0
    function drawExampleSprite() {
      const sheet = editor.getSpriteSheet();

      // Draw a simple smiley face
      // Face outline (yellow)
      for (let x = 1; x < 7; x++) {
        sheet.setPixel(x, 1, 10); // Top
        sheet.setPixel(x, 6, 10); // Bottom
      }
      for (let y = 2; y < 6; y++) {
        sheet.setPixel(1, y, 10); // Left
        sheet.setPixel(6, y, 10); // Right
      }

      // Eyes (black)
      sheet.setPixel(2, 3, 0);
      sheet.setPixel(5, 3, 0);

      // Smile (black)
      sheet.setPixel(2, 5, 0);
      sheet.setPixel(3, 5, 0);
      sheet.setPixel(4, 5, 0);
      sheet.setPixel(5, 5, 0);

      editor.setSpriteSheet(sheet);
    }

    // Uncomment to draw example sprite on load
    // drawExampleSprite();

    console.log('Sprite Editor initialized!');
    console.log('Available tools: Pen, Fill, Line, Rect, Circle, Erase');
    console.log('Click sprites in the sheet to edit them in the preview panel');
  </script>
</body>
</html>