# -*- coding: utf-8 -*-
"""
主角站姿像素画样例生成器 — Dungeon Sweeper
依据 design/art/art-bible.md:
  - 小人蓝 #2E6E8E 主色(§4.1) / 亮色描边+落影底盘轮廓通道(§3.1)
  - 3 头身候选档(§3.1 两档之一;终稿归 §5 角色批)
  - 窄/直立/对称/凹凸≤2,剑收于剪影内(§3.1/§3.4)
  - 不用红(危险专属)/金(收益专属)/紫赤 300-345° 禁入带(§4.2)
输出: hero-standing-pose.png (1x) + hero-standing-pose-preview.png (8x 四联测试条)
"""
from PIL import Image, ImageOps

PAL = {
    'O': (255, 246, 224, 255),  # 亮色描边(暖白)
    'b': (85, 144, 175, 255),   # 蓝高光(小人蓝同族)
    'B': (46, 110, 142, 255),   # 小人蓝 §4.1
    'd': (31, 74, 96, 255),     # 蓝暗部(同族)
    'S': (242, 199, 156, 255),  # 肤色(暖)
    's': (214, 159, 108, 255),  # 肤暗部
    'E': (51, 38, 27, 255),     # 数字墨(眼) §4.1
    'T': (138, 90, 52, 255),    # 皮革(木色族 §4.4)
    't': (92, 58, 30, 255),     # 皮革暗部
    'W': (183, 195, 203, 255),  # 剑-钢
    'w': (132, 147, 157, 255),  # 剑-钢暗部
    'G': (110, 91, 62, 255),    # 落影底盘(暖深)
}

# 左半 16 列(col 0..15),右半水平镜像;-figure 对称剪影
LEFT = [
    "................",  # 0
    "................",  # 1
    "................",  # 2
    ".............OOO",  # 3  兜帽顶
    "............OBBB",  # 4
    "...........Obbbb",  # 5
    "...........ObbBB",  # 6
    "...........ObBBB",  # 7
    "...........OSSSS",  # 8  额/脸顶(加宽脸窗)
    "...........OSSES",  # 9
    "...........OSSES",  # 10 眼(下移一档更亲和)
    "...........OSSSS",  # 11
    "...........OSsss",  # 12 下巴暗
    "...........Odddd",  # 13 兜帽收底
    "..........Oddddd",  # 14 肩起
    "..........OdBBBB",  # 15 肩
    "..........OdBbbB",  # 16 胸(中高光)
    ".........OBBBbbB",  # 17 臂现
    ".........OdTBbbB",  # 18 臂+背带
    ".........OdTBbbB",  # 19
    ".........OdTBbbB",  # 20
    ".........OdTBbbB",  # 21
    ".........OdTBbbB",  # 22
    ".........OdTBbbB",  # 23
    ".........OdTttTW",  # 24 腰带+扣(2px 居中)
    ".........OdTttTW",  # 25
    ".........OdTTTTt",  # 26 双手套握柄
    ".........OddBBBt",  # 27 柄下
    ".........OBBOWWW",  # 28 剑格
    ".........OBBBBBW",  # 29 髋/剑身起
    "..........OdBddW",  # 30 腿+剑
    "..........OdBddW",  # 31
    "..........OdBddW",  # 32
    "..........OdBddW",  # 33
    "..........OdBddW",  # 34
    "..........OdBddW",  # 35
    "..........OdBddW",  # 36
    "..........OTTttW",  # 37 靴
    "..........OTTttW",  # 38
    "..........OTTttW",  # 39
    "..........OTTttW",  # 40
    "..........OttttW",  # 41 靴底
    "..............OW",  # 42 剑尖
    "................",  # 43
    ".........GGGGGGG",  # 44 落影底盘
    "...........GGGGG",  # 45
    "................",  # 46
    "................",  # 47
]

W, H = 32, 48
grid = [['.'] * W for _ in range(H)]
for y, lft in enumerate(LEFT):
    for x, ch in enumerate(lft):
        grid[y][x] = ch
        grid[y][W - 1 - x] = ch

# 剑身右侧 1px 暗部(col 16),避免完全对称的死平
for y in range(29, 42):
    if grid[y][15] == 'W':
        grid[y][16] = 'w'


def render(scale=1):
    img = Image.new('RGBA', (W, H), (0, 0, 0, 0))
    px = img.load()
    for y in range(H):
        for x in range(W):
            c = PAL.get(grid[y][x])
            if c:
                px[x, y] = c
    return img.resize((W * scale, H * scale), Image.NEAREST)


def on_bg(img, color):
    bg = Image.new('RGBA', img.size, color + (255,))
    bg.alpha_composite(img)
    return bg


one_x = render(1)
one_x.save('hero-standing-pose.png')

# 测试条: 掩尘底 / 裸土底 / 暗底 / 灰度(轮廓通道验证)
x8 = render(8)
tiles = [
    on_bg(x8, (201, 175, 131)),          # 掩尘 #C9AF83
    on_bg(x8, (179, 154, 120)),          # 裸土 #B39A78
    on_bg(x8, (46, 42, 38)),             # 暗底对照
    ImageOps.grayscale(on_bg(x8, (201, 175, 131))).convert('RGBA'),
]
GAP = 24
strip = Image.new('RGBA',
                  (len(tiles) * x8.width + (len(tiles) + 1) * GAP, x8.height + 2 * GAP),
                  (250, 244, 230, 255))
for i, t in enumerate(tiles):
    strip.alpha_composite(t, (GAP + i * (x8.width + GAP), GAP))
strip.save('hero-standing-pose-preview.png')
print('done:', one_x.size, '->', strip.size)