Terrain.ttslua

local Check = require("Kdm/Util/Check")
local Expansion = require("Kdm/Expansion")
local log = require("Kdm/Log").ForModule("Terrain")
local Util = require("Kdm/Util/Util")

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local Terrain = {}

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function Terrain.Init()
    Terrain.dataByName = {}
    Terrain.tileSizesByName = {}
    for _, expansion in ipairs(Expansion.All()) do
        for name, data in pairs(expansion.terrain or {}) do
            assert(Check(not Terrain.dataByName[name], "Terrain %s is already registered", name))
            Terrain.dataByName[name] = data
        end

        for terrainTile, size in pairs(expansion.terrainTileSizes or {}) do
            assert(Check, not Terrain.tileSizesByName[terrainTile], "Terrain tile %s is already registered", terrainTile)
            Terrain.tileSizesByName[terrainTile] = size
        end
    end
end

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function Terrain.Data(name)
    local data = Terrain.dataByName[name]
    assert(Check(data, "Unrecognized terrain '%s", name))
    return data
end

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function Terrain.TileSize(name)
    local tileSize = Terrain.tileSizesByName[name]
    assert(Check(tileSize, "Unrecognized terrain tile '%s'", name))
    return tileSize
end

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return {
    Init = Terrain.Init,
    Data = Terrain.Data,
    TileSize = Terrain.TileSize
}