52 lines
1.3 KiB
Lua
52 lines
1.3 KiB
Lua
--- @class TileMap
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--- @field tileSize integer
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--- @field atlas love.Image
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local tileMap = {}
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tileMap.__index = tileMap
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--- @param path table
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local function load(path)
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--- @type love.Image
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local atlas = path.atlas
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--- @type table
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local manifest = path.manifest
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--- @type TileMap
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local tiles = {
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tileSize = manifest.tileSize,
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atlas = atlas
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}
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manifest.tileSize = nil
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local layout = {}
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for group, ids in pairs(manifest) do
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for _, id in ipairs(ids) do
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if layout[id] then
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table.insert(layout[id], group)
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else
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layout[id] = { group }
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end
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end
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end
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local cnt = 0
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for y = 0, atlas:getHeight() - 1, tiles.tileSize do
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for x = 0, atlas:getWidth() - 1, tiles.tileSize do
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if layout[cnt] then
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for _, group in ipairs(layout[cnt]) do
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if tiles[group] then
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table.insert(tiles[group], love.graphics.newQuad(x, y, tiles.tileSize, tiles.tileSize, atlas))
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else
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tiles[group] = { love.graphics.newQuad(x, y, tiles.tileSize, tiles.tileSize, atlas) }
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end
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end
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end
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cnt = cnt + 1
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end
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end
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return setmetatable(tiles, tileMap)
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end
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return { load = load }
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