feat: Initial commit Plants vs Zombies Web Edition v2.4

- 5 Biomes: Day, Night, Pool, Fog, Roof (25 Campaign levels)
- Minigames: Wall-nut Bowling, I Zombie, Roguelike, Boss Rush & Dr. Zomboss
- Systems: Zen Garden, Workshop Crafting, Almanac, Tree of Wisdom, Achievements
- Backend: REST API + SQLite Accounts & Save Synchronization
- Infrastructure: Nginx HTTPS & Docker deployment

scripts/generate_icons.py

@@ -0,0 +1,87 @@
+#!/usr/bin/env python3
+import os
+import zlib
+import struct
+import math
+
+def make_png(w, h, get_pixel):
+    def chunk(tag, data):
+        return struct.pack('>I', len(data)) + tag + data + struct.pack('>I', zlib.crc32(tag + data) & 0xffffffff)
+    
+    ihdr = struct.pack('>IIBBBBB', w, h, 8, 6, 0, 0, 0) # RGBA 8-bit
+    raw_rows = []
+    for y in range(h):
+        row = [0] # filter type 0
+        for x in range(w):
+            r, g, b, a = get_pixel(x, y, w, h)
+            row.extend([r, g, b, a])
+        raw_rows.append(bytes(row))
+    raw_data = b''.join(raw_rows)
+    idat = zlib.compress(raw_data, 9)
+    return b'\x89PNG\r\n\x1a\n' + chunk(b'IHDR', ihdr) + chunk(b'IDAT', idat) + chunk(b'IEND', b'')
+
+def render_pvz_icon(x, y, w, h):
+    # Normalized coords (-1 to 1)
+    nx = (x - w / 2) / (w / 2)
+    ny = (y - h / 2) / (h / 2)
+    dist = math.hypot(nx, ny)
+    
+    # Outer dark green circle border
+    if dist > 0.96:
+        return 0, 0, 0, 0
+    if dist > 0.90:
+        return 27, 94, 32, 255
+    
+    # Background circle (lawn green gradient)
+    if dist <= 0.90:
+        # Sunflower petals or Peashooter head
+        # Let's draw stylized bright yellow sunflower with green peashooter center!
+        angle = math.atan2(ny, nx)
+        petal_r = 0.55 + 0.15 * math.sin(angle * 8)
+        
+        # Petal check
+        if dist < petal_r and dist > 0.40:
+            return 255, 213, 79, 255 # Yellow sunflower petals
+            
+        # Peashooter green head in center
+        center_dist = math.hypot(nx + 0.08, ny)
+        if center_dist < 0.35:
+            # Snout pointing right
+            snout = (nx > 0.05 and nx < 0.35 and abs(ny) < 0.12)
+            if snout:
+                return 76, 175, 80, 255
+            # Eye
+            eye_dist = math.hypot(nx - (-0.05), ny - (-0.12))
+            if eye_dist < 0.06:
+                return 255, 255, 255, 255
+            if eye_dist < 0.03:
+                return 0, 0, 0, 255
+            return 67, 160, 71, 255
+            
+        # Green lawn background inside circle
+        grad = int(46 + (1.0 - dist) * 60)
+        return 27, min(255, grad + 80), 32, 255
+
+def main():
+    game_dir = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "game")
+    
+    # Generate 192x192
+    p192 = make_png(192, 192, render_pvz_icon)
+    with open(os.path.join(game_dir, "icon-192.png"), "wb") as f:
+        f.write(p192)
+    print("Generated icon-192.png:", len(p192), "bytes")
+    
+    # Generate 512x512
+    p512 = make_png(512, 512, render_pvz_icon)
+    with open(os.path.join(game_dir, "icon-512.png"), "wb") as f:
+        f.write(p512)
+    print("Generated icon-512.png:", len(p512), "bytes")
+    
+    # Generate favicon.ico (valid 32x32 PNG inside or 32x32 favicon)
+    p32 = make_png(32, 32, render_pvz_icon)
+    with open(os.path.join(game_dir, "favicon.ico"), "wb") as f:
+        f.write(p32)
+    print("Generated favicon.ico:", len(p32), "bytes")
+
+if __name__ == "__main__":
+    main()