initial tilemap from manifest by tyler(c)

lib/tile.lua

@@ -0,0 +1,51 @@
+--- @class TileMap
+--- @field tileSize integer
+--- @field atlas love.Image
+local tileMap = {}
+tileMap.__index = tileMap
+
+--- @param path table
+local function load(path)
+    --- @type love.Image
+    local atlas = path.atlas
+    --- @type table
+    local manifest = path.manifest
+
+    --- @type TileMap
+    local tiles = {
+        tileSize = manifest.tileSize,
+        atlas = atlas
+    }
+    manifest.tileSize = nil
+
+    local layout = {}
+    for group, ids in pairs(manifest) do
+        for _, id in ipairs(ids) do
+            if layout[id] then
+                table.insert(layout[id], group)
+            else
+                layout[id] = { group }
+            end
+        end
+    end
+
+    local cnt = 0
+    for y = 0, atlas:getHeight() - 1, tiles.tileSize do
+        for x = 0, atlas:getWidth() - 1, tiles.tileSize do
+            if layout[cnt] then
+                for _, group in ipairs(layout[cnt]) do
+                    if tiles[group] then
+                        table.insert(tiles[group], love.graphics.newQuad(x, y, tiles.tileSize, tiles.tileSize, atlas))
+                    else
+                        tiles[group] = { love.graphics.newQuad(x, y, tiles.tileSize, tiles.tileSize, atlas) }
+                    end
+                end
+            end
+            cnt = cnt + 1
+        end
+    end
+
+    return setmetatable(tiles, tileMap)
+end
+
+return { load = load }

main.lua

@@ -14,13 +14,13 @@ local height = 30
 function love.load()
     character.spawn("Hero", "warrior", Tree.assets.files.sprites.character)
 
-    Grass = Tree.assets.files.tiles.grass.atlas
+    Map = {}
-    Gr1 = love.graphics.newQuad(0, 32, 32, 32, Grass)
+    TileMap2 = require("lib.tile").load(Tree.assets.files.tiles.grass)
-    Tilemap = {}
     for y = 0, height - 1 do
-        Tilemap[y] = {}
+        Map[y] = {}
         for x = 0, width - 1 do
-            Tilemap[y][x] = love.graphics.newQuad(math.random(0, 7) * 32, math.random(0, 7) * 32, 32, 32, Grass)
+            local type = TileMap2["flower_grass"]
+            Map[y][x] = type[math.random(1, #type)]
         end
     end
 
@@ -62,7 +62,7 @@ function love.draw()
     Tree.level.camera:attach()
     for y = 0, height - 1 do
         for x = 0, width - 1 do
-            love.graphics.draw(Grass, Tilemap[x][y], x, y,
+            love.graphics.draw(TileMap2.atlas, Map[x][y], x, y,
                 nil, 1 / 32, 1 / 32)
         end
     end