266 lines
11 KiB
Python
266 lines
11 KiB
Python
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#!/usr/bin/env python3
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"""Generate simple SVG fallback sprites for all terrain biomes and unit types.
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Outputs:
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public/games/age-of-dwarves/assets/sprites/terrain/<biome_id>.svg (384×332 flat-top hex)
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public/games/age-of-dwarves/assets/sprites/units/<unit_id>.svg (64×64 circle)
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Run from repo root:
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python3 tools/gen-fallback-sprites.py
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"""
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import os
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from pathlib import Path
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REPO_ROOT = Path(__file__).parent.parent
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TERRAIN_DIR = REPO_ROOT / "public/games/age-of-dwarves/assets/sprites/terrain"
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UNITS_DIR = REPO_ROOT / "public/games/age-of-dwarves/assets/sprites/units"
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HEX_POINTS = "96,0 288,0 384,166 288,332 96,332 0,166"
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# biome_id -> (base_hex_color, shade_hex_color)
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# base is the highlight (lighter), shade is the deep shadow corner
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BIOME_COLORS: dict[str, tuple[str, str]] = {
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# --- land ---
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"grassland": ("#73AD4D", "#3E6E24"),
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"temperate_grassland": ("#8CB84D", "#5A7E28"),
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"plains": ("#B8A560", "#7A6C34"),
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"chaparral": ("#9E8E5A", "#6A5E34"),
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"savanna": ("#C7B86B", "#8A7A38"),
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"steppe": ("#A69E73", "#706840"),
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"land": ("#7F9960", "#4E6634"),
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# --- forests ---
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"forest": ("#3C8C3C", "#1C501C"),
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"temperate_forest": ("#2E7A38", "#144E1E"),
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"taiga": ("#4D735A", "#284E38"),
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"boreal_forest": ("#265A47", "#103C2C"),
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"jungle": ("#267A27", "#104E12"),
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"tropical_rainforest": ("#0F6126", "#063814"),
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"tropical_dry_forest": ("#6B8038", "#445420"),
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"temperate_rainforest":("#2A6040", "#12402A"),
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"enchanted_forest": ("#7040A8", "#3A1A78"),
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"montane_forest": ("#285C3D", "#123C26"),
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"cloud_forest": ("#337057", "#184838"),
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"mangrove": ("#1E5869", "#0C323E"),
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# --- dry / arid ---
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"desert": ("#E0D08B", "#A89040"),
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"badlands": ("#B86B47", "#7A3C1E"),
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"dust_plain": ("#B8784A", "#804420"),
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"dune_field": ("#CC8C59", "#8A5428"),
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"canyon": ("#9E4D2A", "#663010"),
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"ancient_lakebed": ("#8C7252", "#5A4628"),
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# --- elevated ---
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"hills": ("#947D60", "#5E4E34"),
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"highland": ("#9E8F70", "#6A5C40"),
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"mountain": ("#8C807A", "#4E4844"),
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"mountains": ("#72697A", "#3E3648"),
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"highland_plain": ("#8A8060", "#5A5236"),
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"alpine_meadow": ("#80997A", "#4A6844"),
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"alpine_tundra": ("#9EA68F", "#606850"),
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"peak": ("#C8C6D0", "#8888A0"),
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"basalt_highland": ("#4D3F38", "#241E1A"),
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# --- volcanic ---
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"volcanic": ("#935238", "#4E2414"),
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"volcano": ("#7A3329", "#401410"),
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"volcanic_plains": ("#3F2E24", "#1E160E"),
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"lava_field": ("#CC2A0A", "#7A1006"),
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"caldera": ("#721A14", "#3A0808"),
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# --- wetland ---
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"marsh": ("#667856", "#384A2C"),
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"swamp": ("#33471E", "#1A2C0A"),
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"bog": ("#615232", "#3C301A"),
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"wetland": ("#3E5234", "#1E2E18"),
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"oasis": ("#599E7A", "#2A6848"),
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# --- cold / ice ---
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"tundra": ("#C0C8CC", "#7A8C94"),
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"snow": ("#EBF0F5", "#A8C0D0"),
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"ice": ("#D9E8F2", "#90B8D0"),
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"permanent_ice": ("#C8DDE8", "#88B2CC"),
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"glacial": ("#E6EDF5", "#A0C2DC"),
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"sea_ice": ("#C0D9F2", "#80B0D8"),
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"polar_desert": ("#B8BBAD", "#7A8474"),
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"subterranean": ("#523D2E", "#2A1E14"),
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"cave": ("#2E2820", "#12100A"),
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# --- water ---
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"ocean": ("#264D8C", "#102C5E"),
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"deep_ocean": ("#142E66", "#081838"),
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"coast": ("#3F7AA6", "#1E4E78"),
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"shallow_ocean": ("#2E61B8", "#183A7E"),
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"lake": ("#387099", "#1A4268"),
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"inland_sea": ("#2E5E8E", "#163C62"),
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"river": ("#3F7ACC", "#1E4898"),
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"pond": ("#61A0D1", "#2E68A8"),
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"estuary": ("#3F7285", "#204E5E"),
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"coral_reef": ("#269E94", "#0E6660"),
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"deep_water": ("#0A1A40", "#040C22"),
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"shallow_water": ("#387ACC", "#1A4898"),
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"lake_bed": ("#3E6274", "#1E3C4E"),
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# --- substrates (rarely tile-level but complete coverage) ---
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"lowland": ("#8CB854", "#5A7E2A"),
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"midland": ("#7A9E52", "#4A6C28"),
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# --- special ---
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"mana_node": ("#8A5AAD", "#4A2076"),
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"_default": ("#7A7A7A", "#4A4A4A"),
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}
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WATER_BIOMES = {
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"ocean", "coast", "lake", "deep_ocean", "inland_sea", "shallow_ocean",
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"deep_water", "shallow_water", "river", "pond", "estuary", "coral_reef",
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"mangrove", "sea_ice", "lake_bed",
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}
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ICE_BIOMES = {
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"ice", "snow", "permanent_ice", "glacial", "sea_ice", "polar_desert",
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"alpine_tundra", "tundra",
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}
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LAVA_BIOMES = {"volcanic", "volcano", "volcanic_plains", "lava_field", "caldera"}
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MAGIC_BIOMES = {"mana_node", "enchanted_forest"}
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FOREST_BIOMES = {
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"forest", "temperate_forest", "taiga", "boreal_forest", "jungle",
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"tropical_rainforest", "tropical_dry_forest", "temperate_rainforest",
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"montane_forest", "cloud_forest", "mangrove",
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}
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ELEVATED_BIOMES = {
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"mountain", "mountains", "hills", "highland", "peak", "alpine_meadow",
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"alpine_tundra", "basalt_highland",
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}
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def terrain_detail(biome_id: str, base: str) -> str:
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"""Return SVG elements for biome-specific visual detail."""
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if biome_id in WATER_BIOMES:
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return (
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f'\n <g clip-path="url(#hex)" opacity="0.12">'
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f'\n <line x1="0" y1="110" x2="384" y2="120" stroke="white" stroke-width="4"/>'
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f'\n <line x1="0" y1="166" x2="384" y2="172" stroke="white" stroke-width="3"/>'
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f'\n <line x1="0" y1="222" x2="384" y2="228" stroke="white" stroke-width="4"/>'
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f'\n </g>'
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)
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if biome_id in ICE_BIOMES:
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return (
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f'\n <g clip-path="url(#hex)" opacity="0.18">'
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f'\n <line x1="140" y1="100" x2="250" y2="230" stroke="white" stroke-width="2.5"/>'
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f'\n <line x1="250" y1="100" x2="140" y2="230" stroke="white" stroke-width="2.5"/>'
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f'\n <line x1="192" y1="80" x2="192" y2="250" stroke="white" stroke-width="2"/>'
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f'\n <line x1="110" y1="166" x2="274" y2="166" stroke="white" stroke-width="2"/>'
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f'\n </g>'
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)
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if biome_id in LAVA_BIOMES:
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return (
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f'\n <g clip-path="url(#hex)" opacity="0.28">'
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f'\n <line x1="152" y1="80" x2="192" y2="166" stroke="#FF6B00" stroke-width="4"/>'
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f'\n <line x1="192" y1="166" x2="258" y2="205" stroke="#FF6B00" stroke-width="4"/>'
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f'\n <line x1="192" y1="166" x2="138" y2="242" stroke="#FF4400" stroke-width="3"/>'
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f'\n <line x1="192" y1="166" x2="120" y2="140" stroke="#FF8800" stroke-width="2.5"/>'
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f'\n </g>'
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)
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if biome_id in MAGIC_BIOMES:
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return (
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f'\n <g clip-path="url(#hex)" opacity="0.28">'
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f'\n <circle cx="152" cy="116" r="6" fill="white"/>'
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f'\n <circle cx="238" cy="136" r="5" fill="white"/>'
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f'\n <circle cx="180" cy="214" r="7" fill="white"/>'
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f'\n <circle cx="258" cy="192" r="4" fill="white"/>'
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f'\n <circle cx="122" cy="182" r="5" fill="white"/>'
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f'\n <circle cx="200" cy="166" r="8" fill="white"/>'
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f'\n </g>'
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)
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if biome_id in FOREST_BIOMES:
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# Tree crown silhouettes
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return (
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f'\n <g clip-path="url(#hex)" opacity="0.18">'
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f'\n <circle cx="148" cy="140" r="36" fill="black"/>'
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f'\n <circle cx="236" cy="148" r="32" fill="black"/>'
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f'\n <circle cx="188" cy="200" r="40" fill="black"/>'
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f'\n </g>'
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)
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if biome_id in ELEVATED_BIOMES:
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# Mountain ridge silhouette
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return (
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f'\n <g clip-path="url(#hex)" opacity="0.18">'
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f'\n <polygon points="96,332 180,140 240,220 296,120 380,332" fill="black"/>'
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f'\n </g>'
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)
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return ""
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def make_terrain_svg(biome_id: str, base: str, shade: str) -> str:
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detail = terrain_detail(biome_id, base)
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return f"""<svg xmlns="http://www.w3.org/2000/svg" width="384" height="332" viewBox="0 0 384 332">
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<defs>
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<clipPath id="hex">
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<polygon points="{HEX_POINTS}"/>
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</clipPath>
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<radialGradient id="grad" cx="220" cy="100" r="290" gradientUnits="userSpaceOnUse">
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<stop offset="0%" stop-color="{base}"/>
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<stop offset="100%" stop-color="{shade}"/>
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</radialGradient>
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</defs>
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<polygon points="{HEX_POINTS}" fill="url(#grad)"/>{detail}
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<polygon points="{HEX_POINTS}" fill="none" stroke="rgba(0,0,0,0.22)" stroke-width="3"/>
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</svg>"""
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# unit_id -> (fill_color, ring_color, label)
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UNIT_DEFS: dict[str, tuple[str, str, str]] = {
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"founder": ("#D4A017", "#7A5A06", "F"),
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"wanderer": ("#8C6E3A", "#4E3A18", "W"),
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"scout": ("#5A8A3A", "#2E5218", "S"),
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"warrior": ("#8C2A2A", "#4E1010", "W"),
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"archer": ("#4A7A2E", "#244E10", "A"),
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"worker": ("#7A6550", "#3E3224", "W"),
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"mage": ("#5A2A8C", "#2E0E5E", "M"),
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"settler": ("#C87828", "#7A440C", "S"),
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"horseman": ("#7A5A28", "#4A3010", "H"),
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"knight": ("#3A5A8C", "#1A3060", "K"),
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"catapult": ("#5A3E28", "#2E1E10", "C"),
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"galley": ("#2A5A8C", "#0E2E5E", "G"),
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}
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def make_unit_svg(unit_id: str, fill: str, ring: str, label: str) -> str:
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return f"""<svg xmlns="http://www.w3.org/2000/svg" width="64" height="64" viewBox="0 0 64 64">
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<defs>
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<radialGradient id="grad" cx="40" cy="24" r="30" gradientUnits="userSpaceOnUse">
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<stop offset="0%" stop-color="{fill}"/>
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<stop offset="100%" stop-color="{ring}"/>
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</radialGradient>
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<filter id="shadow" x="-25%" y="-25%" width="150%" height="150%">
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<feDropShadow dx="1" dy="2" stdDeviation="2.5" flood-color="black" flood-opacity="0.45"/>
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</filter>
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</defs>
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<circle cx="32" cy="32" r="29" fill="{ring}" filter="url(#shadow)"/>
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<circle cx="32" cy="32" r="27" fill="url(#grad)"/>
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<circle cx="32" cy="32" r="27" fill="none" stroke="{ring}" stroke-width="2.5"/>
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<circle cx="32" cy="32" r="27" fill="none" stroke="rgba(255,255,255,0.18)" stroke-width="1.5"/>
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<text x="32" y="41" text-anchor="middle" font-size="28" fill="white"
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font-family="sans-serif" font-weight="bold" opacity="0.92">{label}</text>
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</svg>"""
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def generate_all() -> None:
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TERRAIN_DIR.mkdir(parents=True, exist_ok=True)
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UNITS_DIR.mkdir(parents=True, exist_ok=True)
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# Terrain
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terrain_count = 0
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for biome_id, (base, shade) in BIOME_COLORS.items():
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if biome_id == "_default":
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continue
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path = TERRAIN_DIR / f"{biome_id}.svg"
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path.write_text(make_terrain_svg(biome_id, base, shade), encoding="utf-8")
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terrain_count += 1
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# Units
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unit_count = 0
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for unit_id, (fill, ring, label) in UNIT_DEFS.items():
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path = UNITS_DIR / f"{unit_id}.svg"
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path.write_text(make_unit_svg(unit_id, fill, ring, label), encoding="utf-8")
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unit_count += 1
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print(f"Generated {terrain_count} terrain SVGs → {TERRAIN_DIR}")
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print(f"Generated {unit_count} unit SVGs → {UNITS_DIR}")
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if __name__ == "__main__":
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generate_all()
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