766 lines
33 KiB
Python
766 lines
33 KiB
Python
from __future__ import annotations
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import argparse
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import ast
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import math
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import random
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import re
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from pathlib import Path
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from PIL import Image, ImageChops, ImageDraw, ImageEnhance, ImageFilter, ImageOps
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ROOT = Path(__file__).resolve().parents[1]
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SCENARIO_FILE = ROOT / "src" / "game" / "data" / "scenario.ts"
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BATTLE_IMAGE_DIR = ROOT / "src" / "assets" / "images" / "battle"
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DOCS_DIR = ROOT / "docs"
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TILE = 224
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RNG = random.Random(240704)
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MAP_CONFIGS = {
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"first": {
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"slug": "first-battle-map",
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"terrain_export": "firstBattleMap",
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"units_export": "firstBattleUnits",
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"ally_positions_export": None,
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"out": BATTLE_IMAGE_DIR / "first-battle-map.webp",
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"before": BATTLE_IMAGE_DIR / "first-battle-map.webp",
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"seed": 240704,
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},
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"second": {
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"slug": "second-battle-map",
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"terrain_export": "secondBattleMap",
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"units_export": "secondBattleUnits",
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"ally_positions_export": "secondBattleAllyPositions",
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"out": BATTLE_IMAGE_DIR / "second-battle-map.webp",
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"before": BATTLE_IMAGE_DIR / "second-battle-map.svg",
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"seed": 240714,
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},
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"third": {
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"slug": "third-battle-map",
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"terrain_export": "thirdBattleMap",
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"units_export": "thirdBattleUnits",
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"ally_positions_export": "thirdBattleAllyPositions",
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"out": BATTLE_IMAGE_DIR / "third-battle-map.webp",
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"before": BATTLE_IMAGE_DIR / "third-battle-map.svg",
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"seed": 240724,
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},
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"fourth": {
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"slug": "fourth-battle-map",
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"terrain_export": "fourthBattleMap",
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"units_export": "fourthBattleUnits",
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"ally_positions_export": "fourthBattleAllyPositions",
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"out": BATTLE_IMAGE_DIR / "fourth-battle-map.webp",
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"before": BATTLE_IMAGE_DIR / "fourth-battle-map.svg",
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"seed": 240734,
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},
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"fifth": {
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"slug": "fifth-battle-map",
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"terrain_export": "fifthBattleMap",
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"units_export": "fifthBattleUnits",
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"ally_positions_export": "fifthBattleAllyPositions",
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"out": BATTLE_IMAGE_DIR / "fifth-battle-map.webp",
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"before": BATTLE_IMAGE_DIR / "fifth-battle-map.svg",
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"seed": 240744,
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},
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"sixth": {
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"slug": "sixth-battle-map",
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"terrain_export": "sixthBattleMap",
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"units_export": "sixthBattleUnits",
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"ally_positions_export": "sixthBattleAllyPositions",
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"out": BATTLE_IMAGE_DIR / "sixth-battle-map.webp",
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"before": BATTLE_IMAGE_DIR / "sixth-battle-map.svg",
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"seed": 240754,
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},
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"seventh": {
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"slug": "seventh-battle-map",
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"terrain_export": "seventhBattleMap",
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"units_export": "seventhBattleUnits",
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"ally_positions_export": "seventhBattleAllyPositions",
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"out": BATTLE_IMAGE_DIR / "seventh-battle-map.webp",
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"before": BATTLE_IMAGE_DIR / "seventh-battle-map.svg",
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"seed": 240764,
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},
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"eighth": {
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"slug": "eighth-battle-map",
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"terrain_export": "eighthBattleMap",
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"units_export": "eighthBattleUnits",
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"ally_positions_export": "eighthBattleAllyPositions",
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"out": BATTLE_IMAGE_DIR / "eighth-battle-map.webp",
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"before": BATTLE_IMAGE_DIR / "eighth-battle-map.svg",
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"seed": 240774,
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},
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}
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PALETTE = {
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"plain": (88, 104, 62),
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"plain_dark": (59, 75, 44),
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"plain_light": (128, 132, 76),
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"road": (185, 146, 91),
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"road_shadow": (111, 83, 55),
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"road_light": (221, 184, 117),
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"forest_dark": (31, 70, 35),
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"forest": (61, 105, 47),
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"forest_light": (105, 144, 67),
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"hill": (134, 119, 77),
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"hill_dark": (77, 72, 55),
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"hill_light": (178, 158, 103),
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"cliff": (86, 75, 63),
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"cliff_light": (132, 115, 88),
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"water": (58, 112, 123),
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"water_dark": (37, 77, 91),
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"water_light": (122, 171, 174),
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"wood": (74, 51, 36),
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"wood_light": (127, 86, 48),
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"roof": (158, 105, 42),
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"canvas": (204, 169, 95),
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"flag": (188, 151, 52),
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}
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def clamp(value: int) -> int:
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return max(0, min(255, value))
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def jitter(color: tuple[int, int, int], amount: int) -> tuple[int, int, int]:
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return tuple(clamp(channel + RNG.randint(-amount, amount)) for channel in color)
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def extract_balanced(text: str, start: int, open_char: str, close_char: str) -> str:
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depth = 0
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for index in range(start, len(text)):
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char = text[index]
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if char == open_char:
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depth += 1
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elif char == close_char:
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depth -= 1
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if depth == 0:
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return text[start : index + 1]
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raise RuntimeError(f"Could not find balanced block starting at {start}")
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def ts_condition_to_python(condition: str) -> str:
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expression = condition.replace("\n", " ")
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expression = expression.replace("!==", "!=")
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expression = expression.replace("===", "==")
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expression = expression.replace("&&", " and ")
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expression = expression.replace("||", " or ")
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expression = expression.replace("Math.floor", "math.floor")
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return expression
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def evaluate_terrain_factory(text: str, factory_name: str) -> list[list[str]]:
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start = text.index(f"function {factory_name}")
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brace_start = text.index("{", start)
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block = extract_balanced(text, brace_start, "{", "}")
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size_match = re.search(
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r"Array\.from\(\{\s*length:\s*(\d+)\s*\}.*?Array\.from\(\{\s*length:\s*(\d+)\s*\}",
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block,
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re.S,
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)
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if not size_match:
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raise RuntimeError(f"Could not read terrain dimensions from {factory_name}")
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height = int(size_match.group(1))
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width = int(size_match.group(2))
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rules: list[tuple[str, str]] = []
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cursor = 0
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while True:
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match = re.search(r"\bif\s*\(", block[cursor:])
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if not match:
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break
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paren_start = cursor + match.end() - 1
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condition_block = extract_balanced(block, paren_start, "(", ")")
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brace_start = block.index("{", paren_start + len(condition_block))
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body = extract_balanced(block, brace_start, "{", "}")
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terrain_match = re.search(r"return\s+'([^']+)';", body)
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if terrain_match:
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rules.append((ts_condition_to_python(condition_block[1:-1]), terrain_match.group(1)))
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cursor = brace_start + len(body)
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returns = re.findall(r"return\s+'([^']+)';", block)
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if not returns:
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raise RuntimeError(f"Could not read terrain fallback from {factory_name}")
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fallback = returns[-1]
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terrain: list[list[str]] = []
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for y in range(height):
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row: list[str] = []
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for x in range(width):
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tile = fallback
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for expression, terrain_type in rules:
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if eval(expression, {"__builtins__": {}}, {"x": x, "y": y, "math": math}):
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tile = terrain_type
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break
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row.append(tile)
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terrain.append(row)
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return terrain
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def parse_battle_terrain(export_name: str) -> list[list[str]]:
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text = SCENARIO_FILE.read_text(encoding="utf-8")
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start = text.index(f"export const {export_name}")
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brace_start = text.index("{", text.index("=", start))
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map_block = extract_balanced(text, brace_start, "{", "}")
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terrain_key = map_block.index("terrain:")
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terrain_source = map_block[terrain_key + len("terrain:") :].lstrip()
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if terrain_source.startswith("["):
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return ast.literal_eval(extract_balanced(terrain_source, 0, "[", "]"))
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factory_match = re.match(r"(\w+)\(\)", terrain_source)
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if factory_match:
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return evaluate_terrain_factory(text, factory_match.group(1))
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raise RuntimeError(f"Unsupported terrain source for {export_name}")
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def parse_export_array_source(export_name: str) -> str:
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text = SCENARIO_FILE.read_text(encoding="utf-8")
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start = text.index(f"export const {export_name}")
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bracket_start = text.index("[", text.index("=", start))
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return extract_balanced(text, bracket_start, "[", "]")
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def parse_ally_positions(export_name: str | None) -> list[dict[str, object]]:
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if export_name is None:
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return []
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text = SCENARIO_FILE.read_text(encoding="utf-8")
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marker = f"const {export_name}"
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if marker not in text:
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return []
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start = text.index(marker)
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brace_start = text.index("{", text.index("=", start))
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block = extract_balanced(text, brace_start, "{", "}")
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display_names = {
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"liu-bei": "Liu Bei",
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"guan-yu": "Guan Yu",
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"zhang-fei": "Zhang Fei",
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}
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units: list[dict[str, object]] = []
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for match in re.finditer(r"'([^']+)':\s*\{\s*x:\s*(\d+),\s*y:\s*(\d+)\s*\}", block):
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unit_id = match.group(1)
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units.append(
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{
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"id": unit_id,
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"name": display_names.get(unit_id, unit_id),
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"faction": "ally",
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"x": int(match.group(2)),
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"y": int(match.group(3)),
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}
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)
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return units
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def parse_battle_units(units_export: str, ally_positions_export: str | None) -> list[dict[str, object]]:
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block = parse_export_array_source(units_export)
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units = parse_ally_positions(ally_positions_export)
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seen = {str(unit["id"]) for unit in units}
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for match in re.finditer(r"id: '([^']+)'.*?name: '([^']+)'.*?faction: '([^']+)'.*?x: (\d+),\s*y: (\d+)", block, re.S):
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unit_id = match.group(1)
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if unit_id in seen:
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continue
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seen.add(unit_id)
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units.append(
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{
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"id": unit_id,
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"name": match.group(2),
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"faction": match.group(3),
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"x": int(match.group(4)),
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"y": int(match.group(5)),
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}
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)
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return units
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def tile_box(x: int, y: int, pad: int = 0) -> tuple[int, int, int, int]:
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return (x * TILE - pad, y * TILE - pad, (x + 1) * TILE + pad, (y + 1) * TILE + pad)
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def center(x: int, y: int) -> tuple[int, int]:
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return (x * TILE + TILE // 2, y * TILE + TILE // 2)
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def organic_ellipse_points(cx: int, cy: int, rx: int, ry: int, count: int = 24, wobble: float = 0.15) -> list[tuple[int, int]]:
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points: list[tuple[int, int]] = []
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phase = RNG.random() * math.tau
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for index in range(count):
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angle = math.tau * index / count
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wave = 1 + math.sin(angle * 3 + phase) * wobble * 0.45
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scale = wave + RNG.uniform(-wobble, wobble)
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points.append((int(cx + math.cos(angle) * rx * scale), int(cy + math.sin(angle) * ry * scale)))
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return points
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def organic_rect_points(left: int, top: int, right: int, bottom: int, step: int = 72, wobble: int = 18) -> list[tuple[int, int]]:
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points: list[tuple[int, int]] = []
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for x in range(left, right + 1, step):
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points.append((x + RNG.randint(-wobble, wobble), top + RNG.randint(-wobble, wobble)))
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for y in range(top + step, bottom + 1, step):
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points.append((right + RNG.randint(-wobble, wobble), y + RNG.randint(-wobble, wobble)))
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for x in range(right - step, left - 1, -step):
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points.append((x + RNG.randint(-wobble, wobble), bottom + RNG.randint(-wobble, wobble)))
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for y in range(bottom - step, top, -step):
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points.append((left + RNG.randint(-wobble, wobble), y + RNG.randint(-wobble, wobble)))
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return points
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def add_base_texture(width: int, height: int) -> Image.Image:
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base = Image.new("RGB", (width, height), PALETTE["plain"])
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noise = Image.effect_noise((width, height), 28).convert("L")
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color_noise = ImageOps.colorize(noise, (54, 66, 42), (126, 123, 73))
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base = Image.blend(base, color_noise, 0.22)
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detail = Image.new("RGBA", (width, height), (0, 0, 0, 0))
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draw = ImageDraw.Draw(detail)
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for _ in range(42000):
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x = RNG.randrange(width)
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y = RNG.randrange(height)
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length = RNG.randint(8, 24)
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angle = RNG.uniform(-0.8, 0.8)
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color = jitter(RNG.choice([PALETTE["plain_light"], PALETTE["plain_dark"], (101, 94, 55)]), 18)
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alpha = RNG.randint(20, 54)
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draw.line((x, y, x + math.cos(angle) * length, y + math.sin(angle) * length), fill=(*color, alpha), width=RNG.choice([1, 1, 2]))
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wash = Image.new("RGBA", (width, height), (0, 0, 0, 0))
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wash_draw = ImageDraw.Draw(wash)
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for _ in range(220):
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x = RNG.randint(-200, width + 100)
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y = RNG.randint(-200, height + 100)
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rx = RNG.randint(160, 520)
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ry = RNG.randint(120, 420)
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color = RNG.choice([(132, 125, 70, 16), (46, 64, 40, 20), (106, 91, 54, 14)])
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wash_draw.ellipse((x - rx, y - ry, x + rx, y + ry), fill=color)
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detail = Image.alpha_composite(detail, wash.filter(ImageFilter.GaussianBlur(46)))
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return Image.alpha_composite(base.convert("RGBA"), detail)
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def draw_shadow(draw: ImageDraw.ImageDraw, points: list[tuple[int, int]], alpha: int = 46) -> None:
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offset = [(x + 12, y + 16) for x, y in points]
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draw.polygon(offset, fill=(22, 25, 20, alpha))
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def paint_water(canvas: Image.Image, terrain: list[list[str]]) -> None:
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layer = Image.new("RGBA", canvas.size, (0, 0, 0, 0))
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draw = ImageDraw.Draw(layer)
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visited: set[tuple[int, int]] = set()
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for sy, row in enumerate(terrain):
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for sx, kind in enumerate(row):
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if kind != "river" or (sx, sy) in visited:
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continue
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stack = [(sx, sy)]
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component: list[tuple[int, int]] = []
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visited.add((sx, sy))
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while stack:
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x, y = stack.pop()
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component.append((x, y))
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for dx, dy in ((1, 0), (-1, 0), (0, 1), (0, -1)):
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nx, ny = x + dx, y + dy
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if (
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0 <= ny < len(terrain)
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and 0 <= nx < len(terrain[0])
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and terrain[ny][nx] == "river"
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and (nx, ny) not in visited
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):
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visited.add((nx, ny))
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stack.append((nx, ny))
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min_x = min(x for x, _ in component)
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max_x = max(x for x, _ in component)
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min_y = min(y for _, y in component)
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max_y = max(y for _, y in component)
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left = min_x * TILE + 20
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top = min_y * TILE + 18
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right = (max_x + 1) * TILE - 20
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bottom = (max_y + 1) * TILE - 18
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shadow = organic_rect_points(left - 8, top - 6, right + 10, bottom + 14, step=86, wobble=20)
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bank = organic_rect_points(left - 3, top - 3, right + 3, bottom + 4, step=80, wobble=17)
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inner = organic_rect_points(left + 13, top + 13, right - 13, bottom - 13, step=70, wobble=13)
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draw.polygon(shadow, fill=(*PALETTE["water_dark"], 78))
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draw.polygon(bank, fill=(62, 76, 49, 88))
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draw.polygon(inner, fill=(*jitter(PALETTE["water"], 8), 214))
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for x, y in component:
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tile_left, tile_top, tile_right, tile_bottom = tile_box(x, y)
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for _ in range(18):
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rx = RNG.randint(tile_left + 28, tile_right - 56)
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ry = RNG.randint(tile_top + 26, tile_bottom - 30)
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span = RNG.randint(30, 84)
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color = (*jitter(PALETTE["water_light"], 16), RNG.randint(58, 104))
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draw.arc((rx, ry, rx + span, ry + RNG.randint(10, 30)), 190, 350, fill=color, width=RNG.choice([2, 3]))
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if RNG.random() < 0.45:
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mx = RNG.randint(tile_left + 35, tile_right - 35)
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my = RNG.randint(tile_top + 35, tile_bottom - 35)
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draw.polygon(organic_ellipse_points(mx, my, RNG.randint(12, 30), RNG.randint(8, 18), 12, 0.22), fill=(67, 86, 50, 44))
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canvas.alpha_composite(layer.filter(ImageFilter.GaussianBlur(0.35)))
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def road_neighbors(terrain: list[list[str]], x: int, y: int) -> list[tuple[int, int]]:
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result = []
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for dx, dy in ((1, 0), (-1, 0), (0, 1), (0, -1)):
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nx, ny = x + dx, y + dy
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if 0 <= ny < len(terrain) and 0 <= nx < len(terrain[0]) and terrain[ny][nx] in {"road", "camp", "village"}:
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result.append((nx, ny))
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return result
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def paint_path_segment(
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draw: ImageDraw.ImageDraw,
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start: tuple[int, int],
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end: tuple[int, int],
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width: int,
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color: tuple[int, int, int],
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alpha: int,
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wobble: int,
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) -> None:
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sx, sy = start
|
|
ex, ey = end
|
|
dx = ex - sx
|
|
dy = ey - sy
|
|
distance = math.hypot(dx, dy)
|
|
if distance == 0:
|
|
return
|
|
nx = -dy / distance
|
|
ny = dx / distance
|
|
count = max(5, int(distance // 58))
|
|
centers: list[tuple[float, float]] = []
|
|
for index in range(count + 1):
|
|
t = index / count
|
|
taper = math.sin(t * math.pi)
|
|
px = sx + dx * t + nx * RNG.randint(-wobble, wobble) * taper
|
|
py = sy + dy * t + ny * RNG.randint(-wobble, wobble) * taper
|
|
centers.append((px, py))
|
|
|
|
left_side: list[tuple[int, int]] = []
|
|
right_side: list[tuple[int, int]] = []
|
|
for px, py in centers:
|
|
local_width = width * (0.92 + RNG.random() * 0.2)
|
|
edge_jitter = RNG.randint(-wobble, wobble)
|
|
left_side.append((int(px + nx * (local_width / 2 + edge_jitter)), int(py + ny * (local_width / 2 + edge_jitter))))
|
|
edge_jitter = RNG.randint(-wobble, wobble)
|
|
right_side.append((int(px - nx * (local_width / 2 + edge_jitter)), int(py - ny * (local_width / 2 + edge_jitter))))
|
|
|
|
draw.polygon(left_side + right_side[::-1], fill=(*color, alpha))
|
|
|
|
|
|
def paint_roads(canvas: Image.Image, terrain: list[list[str]]) -> None:
|
|
shadow = Image.new("RGBA", canvas.size, (0, 0, 0, 0))
|
|
road = Image.new("RGBA", canvas.size, (0, 0, 0, 0))
|
|
shadow_draw = ImageDraw.Draw(shadow)
|
|
road_draw = ImageDraw.Draw(road)
|
|
|
|
drawn_edges: set[tuple[tuple[int, int], tuple[int, int]]] = set()
|
|
for y, row in enumerate(terrain):
|
|
for x, kind in enumerate(row):
|
|
if kind != "road":
|
|
continue
|
|
cx, cy = center(x, y)
|
|
for nx, ny in road_neighbors(terrain, x, y):
|
|
edge = tuple(sorted(((x, y), (nx, ny))))
|
|
if edge in drawn_edges:
|
|
continue
|
|
drawn_edges.add(edge)
|
|
ncx, ncy = center(nx, ny)
|
|
paint_path_segment(shadow_draw, (cx + 10, cy + 14), (ncx + 10, ncy + 14), 100, PALETTE["road_shadow"], 54, 13)
|
|
paint_path_segment(road_draw, (cx, cy), (ncx, ncy), 96, jitter(PALETTE["road_shadow"], 8), 76, 15)
|
|
paint_path_segment(road_draw, (cx, cy), (ncx, ncy), RNG.randint(74, 86), jitter(PALETTE["road"], 9), 146, 18)
|
|
paint_path_segment(road_draw, (cx, cy), (ncx, ncy), RNG.randint(38, 48), jitter(PALETTE["road_light"], 10), 38, 10)
|
|
node_rx = RNG.randint(44, 59)
|
|
node_ry = RNG.randint(37, 53)
|
|
shadow_draw.polygon(organic_ellipse_points(cx + 10, cy + 14, node_rx + 8, node_ry + 7, 18, 0.18), fill=(*PALETTE["road_shadow"], 42))
|
|
road_draw.polygon(organic_ellipse_points(cx, cy, node_rx, node_ry, 18, 0.2), fill=(*jitter(PALETTE["road"], 8), 118))
|
|
|
|
for y, row in enumerate(terrain):
|
|
for x, kind in enumerate(row):
|
|
if kind != "road":
|
|
continue
|
|
left, top, right, bottom = tile_box(x, y)
|
|
for _ in range(17):
|
|
px = RNG.randint(left + 20, right - 20)
|
|
py = RNG.randint(top + 20, bottom - 20)
|
|
road_draw.line((px, py, px + RNG.randint(-34, 42), py + RNG.randint(-14, 14)), fill=(*PALETTE["road_shadow"], RNG.randint(25, 58)), width=RNG.choice([2, 3]))
|
|
for _ in range(8):
|
|
px = RNG.randint(left + 25, right - 25)
|
|
py = RNG.randint(top + 25, bottom - 25)
|
|
road_draw.ellipse((px - 3, py - 2, px + 3, py + 2), fill=(*PALETTE["road_light"], 62))
|
|
|
|
canvas.alpha_composite(shadow.filter(ImageFilter.GaussianBlur(2.2)))
|
|
canvas.alpha_composite(road.filter(ImageFilter.GaussianBlur(0.35)))
|
|
|
|
|
|
def paint_hill(draw: ImageDraw.ImageDraw, x: int, y: int, kind: str) -> None:
|
|
left, top, right, bottom = tile_box(x, y)
|
|
cx, cy = center(x, y)
|
|
rock_count = 6 if kind == "hill" else 8
|
|
for _ in range(rock_count):
|
|
rx = cx + RNG.randint(-62, 58)
|
|
ry = cy + RNG.randint(-54, 52)
|
|
rw = RNG.randint(42, 92)
|
|
rh = RNG.randint(24, 58)
|
|
color = jitter(PALETTE["hill"] if kind == "hill" else PALETTE["cliff"], 16)
|
|
draw.ellipse((rx - rw // 2 + 7, ry - rh // 2 + 10, rx + rw // 2 + 7, ry + rh // 2 + 10), fill=(*PALETTE["hill_dark"], 45))
|
|
draw.ellipse((rx - rw // 2, ry - rh // 2, rx + rw // 2, ry + rh // 2), fill=(*color, 168))
|
|
draw.arc((rx - rw // 2 + 6, ry - rh // 2 + 5, rx + rw // 2 - 5, ry + rh // 2), 190, 315, fill=(*PALETTE["hill_light"], 82), width=3)
|
|
if kind == "cliff":
|
|
for _ in range(4):
|
|
points = [
|
|
(RNG.randint(left + 20, right - 30), RNG.randint(top + 18, bottom - 20)),
|
|
(RNG.randint(left + 40, right - 20), RNG.randint(top + 20, bottom - 20)),
|
|
(RNG.randint(left + 20, right - 20), RNG.randint(top + 45, bottom - 16)),
|
|
]
|
|
draw_shadow(draw, points, 44)
|
|
draw.polygon(points, fill=(*jitter(PALETTE["cliff_light"], 12), 135))
|
|
|
|
|
|
def paint_forest(draw: ImageDraw.ImageDraw, x: int, y: int) -> None:
|
|
left, top, right, bottom = tile_box(x, y)
|
|
cx, cy = center(x, y)
|
|
draw.ellipse((left + 20, top + 28, right - 12, bottom - 4), fill=(17, 38, 24, 86))
|
|
blob_count = RNG.randint(13, 19)
|
|
for _ in range(blob_count):
|
|
bx = cx + RNG.randint(-76, 75)
|
|
by = cy + RNG.randint(-72, 64)
|
|
radius = RNG.randint(24, 47)
|
|
color = jitter(RNG.choice([PALETTE["forest"], PALETTE["forest_light"], PALETTE["forest_dark"]]), 14)
|
|
draw.ellipse((bx - radius + 5, by - radius + 8, bx + radius + 5, by + radius + 8), fill=(10, 30, 18, 72))
|
|
draw.ellipse((bx - radius, by - radius, bx + radius, by + radius), fill=(*color, 218))
|
|
draw.arc((bx - radius + 7, by - radius + 6, bx + radius - 7, by + radius - 7), 195, 322, fill=(142, 165, 76, 84), width=3)
|
|
for _ in range(7):
|
|
tx = RNG.randint(left + 28, right - 28)
|
|
ty = RNG.randint(top + 62, bottom - 18)
|
|
draw.line((tx, ty, tx + RNG.randint(-6, 6), ty + RNG.randint(13, 27)), fill=(54, 39, 24, 92), width=RNG.randint(4, 7))
|
|
|
|
|
|
def paint_structure(draw: ImageDraw.ImageDraw, x: int, y: int, kind: str) -> None:
|
|
left, top, right, bottom = tile_box(x, y)
|
|
cx, cy = center(x, y)
|
|
if kind == "village":
|
|
draw.ellipse((left + 34, top + 48, right - 28, bottom - 20), fill=(*PALETTE["road_shadow"], 52))
|
|
for ox, oy, scale in [(-34, -8, 1.0), (28, 12, 0.86)]:
|
|
bx, by = cx + ox, cy + oy
|
|
w, h = int(56 * scale), int(44 * scale)
|
|
draw.rectangle((bx - w // 2, by - 4, bx + w // 2, by + h), fill=(*jitter((142, 102, 58), 12), 220))
|
|
roof = [(bx - w // 2 - 10, by - 2), (bx, by - 44), (bx + w // 2 + 10, by - 2)]
|
|
draw.polygon([(px + 6, py + 9) for px, py in roof], fill=(48, 34, 24, 68))
|
|
draw.polygon(roof, fill=(*jitter(PALETTE["roof"], 10), 235))
|
|
draw.line((bx - w // 2 - 5, by, bx + w // 2 + 5, by), fill=(230, 170, 74, 72), width=3)
|
|
for _ in range(5):
|
|
px = RNG.randint(left + 30, right - 30)
|
|
py = RNG.randint(top + 120, bottom - 20)
|
|
draw.line((px, py, px + RNG.randint(18, 34), py + RNG.randint(-4, 5)), fill=(*PALETTE["wood"], 120), width=3)
|
|
elif kind == "camp":
|
|
draw.ellipse((left + 24, top + 34, right - 18, bottom - 10), fill=(*PALETTE["road_shadow"], 54))
|
|
for ox, oy in [(-32, -18), (34, 8), (-8, 36)]:
|
|
bx, by = cx + ox, cy + oy
|
|
tent = [(bx - 38, by + 34), (bx, by - 38), (bx + 42, by + 34)]
|
|
draw.polygon([(px + 5, py + 9) for px, py in tent], fill=(48, 34, 24, 70))
|
|
draw.polygon(tent, fill=(*jitter(PALETTE["canvas"], 12), 232))
|
|
draw.line((bx, by - 35, bx, by + 32), fill=(*PALETTE["wood"], 140), width=4)
|
|
draw.polygon([(bx + 5, by - 35), (bx + 42, by - 24), (bx + 5, by - 14)], fill=(*PALETTE["flag"], 210))
|
|
elif kind == "fort":
|
|
draw.ellipse((left + 22, top + 34, right - 16, bottom - 14), fill=(*PALETTE["road_shadow"], 62))
|
|
posts = [(left + 48, top + 52), (right - 52, top + 48), (left + 50, bottom - 60), (right - 54, bottom - 64)]
|
|
for px, py in posts:
|
|
draw.rectangle((px - 9, py - 36, px + 9, py + 38), fill=(*jitter(PALETTE["wood"], 8), 230))
|
|
for yline in (top + 72, bottom - 78):
|
|
draw.line((left + 40, yline, right - 44, yline + RNG.randint(-5, 5)), fill=(*jitter(PALETTE["wood_light"], 12), 224), width=12)
|
|
draw.line((left + 52, yline + 20, right - 56, yline + 17), fill=(*jitter(PALETTE["wood"], 8), 220), width=9)
|
|
draw.rectangle((cx - 42, cy - 28, cx + 38, cy + 35), fill=(*jitter((92, 65, 42), 12), 220))
|
|
draw.polygon([(cx - 56, cy - 25), (cx, cy - 68), (cx + 54, cy - 25)], fill=(*jitter(PALETTE["roof"], 9), 225))
|
|
draw.polygon([(cx + 18, cy - 69), (cx + 61, cy - 56), (cx + 18, cy - 40)], fill=(*PALETTE["flag"], 210))
|
|
|
|
|
|
def paint_tiles(canvas: Image.Image, terrain: list[list[str]]) -> None:
|
|
layer = Image.new("RGBA", canvas.size, (0, 0, 0, 0))
|
|
draw = ImageDraw.Draw(layer)
|
|
for y, row in enumerate(terrain):
|
|
for x, kind in enumerate(row):
|
|
if kind in {"hill", "cliff"}:
|
|
paint_hill(draw, x, y, kind)
|
|
elif kind == "forest":
|
|
paint_forest(draw, x, y)
|
|
canvas.alpha_composite(layer.filter(ImageFilter.GaussianBlur(0.25)))
|
|
|
|
structure = Image.new("RGBA", canvas.size, (0, 0, 0, 0))
|
|
structure_draw = ImageDraw.Draw(structure)
|
|
for y, row in enumerate(terrain):
|
|
for x, kind in enumerate(row):
|
|
if kind in {"village", "camp", "fort"}:
|
|
paint_structure(structure_draw, x, y, kind)
|
|
canvas.alpha_composite(structure.filter(ImageFilter.GaussianBlur(0.15)))
|
|
|
|
|
|
def add_route_and_battlefield_details(canvas: Image.Image, terrain: list[list[str]], units: list[dict[str, object]]) -> None:
|
|
details = Image.new("RGBA", canvas.size, (0, 0, 0, 0))
|
|
draw = ImageDraw.Draw(details)
|
|
|
|
for unit in units:
|
|
x, y = int(unit["x"]), int(unit["y"])
|
|
cx, cy = center(x, y)
|
|
if unit["faction"] == "enemy":
|
|
color = (117, 76, 38, 72)
|
|
if "cavalry" in str(unit["id"]):
|
|
color = (94, 67, 38, 58)
|
|
else:
|
|
color = (90, 80, 42, 38)
|
|
draw.ellipse((cx - 54, cy - 30, cx + 54, cy + 30), fill=color)
|
|
if unit["faction"] == "enemy":
|
|
for _ in range(3):
|
|
px = cx + RNG.randint(-60, 60)
|
|
py = cy + RNG.randint(-44, 44)
|
|
draw.line((px, py, px + RNG.randint(-22, 25), py + RNG.randint(-6, 8)), fill=(92, 58, 34, 58), width=3)
|
|
|
|
width, height = canvas.size
|
|
for _ in range(2400):
|
|
x = RNG.randrange(width)
|
|
y = RNG.randrange(height)
|
|
color = RNG.choice([(137, 100, 52, 40), (188, 139, 70, 35), (58, 73, 43, 32)])
|
|
draw.ellipse((x - 2, y - 1, x + 2, y + 1), fill=color)
|
|
|
|
canvas.alpha_composite(details.filter(ImageFilter.GaussianBlur(0.15)))
|
|
|
|
|
|
def add_subtle_grid_and_grade(canvas: Image.Image, terrain: list[list[str]]) -> Image.Image:
|
|
width, height = canvas.size
|
|
overlay = Image.new("RGBA", canvas.size, (0, 0, 0, 0))
|
|
draw = ImageDraw.Draw(overlay)
|
|
for x in range(1, len(terrain[0])):
|
|
alpha = 11 if x % 2 else 8
|
|
draw.line((x * TILE, 0, x * TILE, height), fill=(19, 26, 19, alpha), width=2)
|
|
for y in range(1, len(terrain)):
|
|
alpha = 11 if y % 2 else 8
|
|
draw.line((0, y * TILE, width, y * TILE), fill=(19, 26, 19, alpha), width=2)
|
|
|
|
vignette = Image.new("L", (width, height), 0)
|
|
vdraw = ImageDraw.Draw(vignette)
|
|
margin = int(min(width, height) * 0.04)
|
|
vdraw.rounded_rectangle((margin, margin, width - margin, height - margin), radius=260, fill=255)
|
|
vignette = vignette.filter(ImageFilter.GaussianBlur(360))
|
|
dark = Image.new("RGBA", (width, height), (18, 20, 14, 58))
|
|
overlay = Image.composite(Image.new("RGBA", (width, height), (0, 0, 0, 0)), dark, vignette)
|
|
canvas.alpha_composite(overlay)
|
|
|
|
graded = ImageEnhance.Color(canvas.convert("RGB")).enhance(0.88)
|
|
graded = ImageEnhance.Contrast(graded).enhance(0.96)
|
|
graded = ImageEnhance.Brightness(graded).enhance(0.96)
|
|
return graded
|
|
|
|
|
|
def build_map(config: dict[str, object]) -> Image.Image:
|
|
global RNG
|
|
RNG = random.Random(int(config["seed"]))
|
|
terrain = parse_battle_terrain(str(config["terrain_export"]))
|
|
ally_positions_export = config["ally_positions_export"]
|
|
units = parse_battle_units(str(config["units_export"]), None if ally_positions_export is None else str(ally_positions_export))
|
|
width = len(terrain[0]) * TILE
|
|
height = len(terrain) * TILE
|
|
canvas = add_base_texture(width, height)
|
|
paint_water(canvas, terrain)
|
|
paint_roads(canvas, terrain)
|
|
paint_tiles(canvas, terrain)
|
|
add_route_and_battlefield_details(canvas, terrain, units)
|
|
return add_subtle_grid_and_grade(canvas, terrain)
|
|
|
|
|
|
def make_flat_legacy_preview(terrain: list[list[str]], size: tuple[int, int]) -> Image.Image:
|
|
colors = {
|
|
"plain": (97, 116, 75),
|
|
"road": (161, 124, 72),
|
|
"forest": (50, 78, 42),
|
|
"hill": (119, 105, 72),
|
|
"cliff": (76, 68, 57),
|
|
"river": (46, 93, 113),
|
|
"village": (134, 92, 48),
|
|
"camp": (171, 137, 74),
|
|
"fort": (94, 72, 48),
|
|
}
|
|
width = len(terrain[0]) * 96
|
|
height = len(terrain) * 96
|
|
image = Image.new("RGB", (width, height), colors["plain"])
|
|
draw = ImageDraw.Draw(image)
|
|
for y, row in enumerate(terrain):
|
|
for x, kind in enumerate(row):
|
|
left, top = x * 96, y * 96
|
|
draw.rectangle((left, top, left + 96, top + 96), fill=colors.get(kind, colors["plain"]))
|
|
if kind == "road":
|
|
draw.line((left, top + 52, left + 96, top + 44), fill=(199, 159, 93), width=9)
|
|
elif kind == "forest":
|
|
for ox, oy in ((28, 30), (54, 38), (40, 60)):
|
|
draw.ellipse((left + ox - 16, top + oy - 16, left + ox + 16, top + oy + 16), fill=(73, 111, 58))
|
|
elif kind == "river":
|
|
draw.arc((left + 8, top + 20, left + 90, top + 78), 190, 350, fill=(111, 165, 176), width=4)
|
|
return image.resize(size, Image.Resampling.LANCZOS)
|
|
|
|
|
|
def load_before_image(path: Path, terrain: list[list[str]], target_size: tuple[int, int]) -> Image.Image:
|
|
if path.exists() and path.suffix.lower() != ".svg":
|
|
return Image.open(path).convert("RGB")
|
|
return make_flat_legacy_preview(terrain, target_size)
|
|
|
|
|
|
def make_comparison(before: Image.Image, after: Image.Image, out_path: Path) -> None:
|
|
preview_width = 1400
|
|
before_small = before.resize((preview_width, int(before.height * preview_width / before.width)), Image.Resampling.LANCZOS)
|
|
after_small = after.resize(before_small.size, Image.Resampling.LANCZOS)
|
|
padding = 36
|
|
label_height = 58
|
|
combined = Image.new("RGB", (before_small.width * 2 + padding * 3, before_small.height + padding * 2 + label_height), (20, 24, 21))
|
|
combined.paste(before_small, (padding, padding + label_height))
|
|
combined.paste(after_small, (padding * 2 + before_small.width, padding + label_height))
|
|
draw = ImageDraw.Draw(combined)
|
|
draw.text((padding, padding + 10), "Before", fill=(232, 219, 178))
|
|
draw.text((padding * 2 + before_small.width, padding + 10), "After: hand-painted tactical map", fill=(232, 219, 178))
|
|
out_path.parent.mkdir(parents=True, exist_ok=True)
|
|
combined.save(out_path, quality=92)
|
|
|
|
|
|
def main() -> None:
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument("--map", choices=sorted(MAP_CONFIGS), default="first")
|
|
parser.add_argument("--out", type=Path)
|
|
parser.add_argument("--before", type=Path)
|
|
parser.add_argument("--comparison", type=Path)
|
|
parser.add_argument("--preview", type=Path)
|
|
parser.add_argument("--webp-quality", type=int, default=90)
|
|
args = parser.parse_args()
|
|
|
|
config = MAP_CONFIGS[args.map]
|
|
out_path = args.out or Path(config["out"])
|
|
before_path = args.before or Path(config["before"])
|
|
comparison_path = args.comparison or (DOCS_DIR / f"{config['slug']}-handpaint-before-after.png")
|
|
preview_path = args.preview or (DOCS_DIR / f"{config['slug']}-handpaint-preview.png")
|
|
|
|
terrain = parse_battle_terrain(str(config["terrain_export"]))
|
|
after = build_map(config)
|
|
before = load_before_image(before_path, terrain, after.size)
|
|
if before.size != after.size:
|
|
before = before.resize(after.size, Image.Resampling.LANCZOS)
|
|
|
|
out_path.parent.mkdir(parents=True, exist_ok=True)
|
|
if out_path.suffix.lower() == ".webp":
|
|
after.save(out_path, "WEBP", quality=args.webp_quality, method=6)
|
|
else:
|
|
output = after.quantize(colors=224, method=Image.Quantize.MEDIANCUT, dither=Image.Dither.NONE)
|
|
output.save(out_path, optimize=True, compress_level=9)
|
|
make_comparison(before, after, comparison_path)
|
|
preview_path.parent.mkdir(parents=True, exist_ok=True)
|
|
after.resize((1400, int(after.height * 1400 / after.width)), Image.Resampling.LANCZOS).save(preview_path, quality=92)
|
|
|
|
diff_size = (400, int(after.height * 400 / after.width))
|
|
diff = ImageChops.difference(before.resize(diff_size), after.resize(diff_size)).convert("L")
|
|
print(
|
|
{
|
|
"map": args.map,
|
|
"out": str(out_path),
|
|
"size": after.size,
|
|
"comparison": str(comparison_path),
|
|
"preview": str(preview_path),
|
|
"avg_preview_delta": round(sum(diff.tobytes()) / (diff_size[0] * diff_size[1]), 2),
|
|
}
|
|
)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|