start adding texture strings in

init.lua

@@ -3,6 +3,7 @@ local modpath = minetest.get_modpath("xcompat")
 xcompat = {
     sounds = dofile(modpath .. "/src/sounds.lua"),
     materials = dofile(modpath .. "/src/materials.lua"),
+    textures = dofile(modpath .. "/src/textures.lua"),
 }
 
 local function validate_sound(key)

src/textures.lua

@@ -0,0 +1,113 @@
+local textures = {
+    gravel = "[combine:16x16^[noalpha^[colorize:#3a3b3c",
+    brick = "[combine:16x16^[noalpha^[colorize:#AA4A44",
+
+    metal = {
+        steel = {
+            ore = "",
+            ingot = "",
+            block = "[combine:16x16^[noalpha^[colorize:#D3D3D3",
+        },
+        gold = {
+            ore = "",
+            ingot = "",
+            block = "[combine:16x16^[noalpha^[colorize:#FFD700",
+        },
+    },
+    glass = {
+        pane = "[combine:16x16:" ..
+            "0,0=\\[combine\\:1x16\\^[noalpha\\^[colorize\\:#ffffff:" ..
+            "0,0=\\[combine\\:16x1\\^[noalpha\\^[colorize\\:#ffffff:" ..
+            "0,15=\\[combine\\:16x1\\^[noalpha\\^[colorize\\:#ffffff:" ..
+            "15,0=\\[combine\\:1x16\\^[noalpha\\^[colorize\\:#ffffff",
+        block = "",
+    },
+    wood = {
+        apple = {
+            sapling = "",
+            planks = "[combine:16x16^[noalpha^[colorize:#654321",
+            trunk_side = "",
+            trunk_top = "",
+            leaves = "",
+        },
+        jungle = {
+            sapling = "",
+            planks = "[combine:16x16^[noalpha^[colorize:#563d2d",
+            trunk_side = "",
+            trunk_top = "",
+            leaves = "",
+        },
+    },
+    water = {
+        tile = "[combine:16x16^[noalpha^[colorize:#00008b",
+        animated = "",
+    },
+    wool = {
+        white = "[combine:16x16^[noalpha^[colorize:#ffffff",
+        black = "[combine:16x16^[noalpha^[colorize:#000000",
+        grey = "[combine:16x16^[noalpha^[colorize:#313b3c",
+        dark_grey = "[combine:16x16^[noalpha^[colorize:#313b3c",
+    },
+    grass = {
+        top = "[combine:16x16^[noalpha^[colorize:#006400",
+        side = "",
+        dirt = "",
+    },
+}
+
+if minetest.get_modpath("default") then
+    textures = {
+        gravel = "default_gravel.png",
+        brick = "default_brick.png",
+
+        metal = {
+            steel = {
+                ore = "",
+                ingot = "",
+                block = "default_steel_block.png",
+            },
+            gold = {
+                ore = "",
+                ingot = "",
+                block = "default_gold_block.png",
+            },
+        },
+        glass = {
+            pane = "default_glass.png",
+            block = "",
+        },
+        wood = {
+            apple = {
+                sapling = "",
+                planks = "default_wood.png",
+                trunk_side = "",
+                trunk_top = "",
+                leaves = "",
+            },
+            jungle = {
+                sapling = "",
+                planks = "default_junglewood.png",
+                trunk_side = "",
+                trunk_top = "",
+                leaves = "",
+            },
+        },
+        water = {
+            tile = "default_water.png",
+            animated = "",
+        },
+        wool = {
+            white = "wool_white.png",
+            black = "wool_black.png",
+            grey = "wool_grey.png",
+            dark_grey = "wool_dark_grey.png",
+        },
+        grass = {
+            top = "default_grass.png",
+            side = "default_dirt.png^default_grass_side.png",
+            dirt = "default_dirt.png",
+        },
+    }
+end
+
+return textures