Add copper, and the beginnings of a machine system.

mods/rgt_materials/init.lua

@@ -54,17 +54,20 @@ minetest.register_ore {
 
 rgt.register_item("iron_ingot", {
     inventory_image = "rgt_iron_ingot.png",
-    groups = {arc_furnace_meltable = 1}
+    groups = {arc_furnace_meltable = 1},
+    material = "iron",
 })
 
 rgt.register_item("iron_lump", {
     inventory_image = "rgt_iron_lump.png",
-    groups = {furnace_smeltable = 1}
+    groups = {furnace_smeltable = 1},
+    material = "iron",
 })
 
 rgt.register_node("iron_block", {
     tiles = {"rgt_iron_block.png"},
-    groups = {stone = 1}
+    groups = {stone = 1},
+    material = "iron",
 })
 
 rgt.register_node("iron_ore", {
@@ -92,6 +95,72 @@ minetest.register_ore {
     },
 }
 
+rgt.register_item("iron_plate", {
+    inventory_image = "rgt_plate_iron.png",
+    material = "iron",
+})
+
+rgt.register_item("iron_rod", {
+    inventory_image = "rgt_rod_iron.png",
+    material = "iron",
+})
+
+rgt.register_item("iron_gear", {
+    inventory_image = "rgt_gear_iron.png",
+    material = "iron",
+})
+
+-- MARK: Copper
+
+rgt.register_item("copper_ingot", {
+    inventory_image = "rgt_copper_ingot.png",
+})
+
+rgt.register_item("copper_lump", {
+    inventory_image = "rgt_copper_lump.png",
+})
+
+rgt.register_node("copper_block", {
+    tiles = {"rgt_copper_block.png"},
+    groups = {stone = 1}
+})
+
+rgt.register_node("copper_ore", {
+    tiles = {"rgt_stone.png^rgt_copper_ore.png"},
+    drop = "copper_lump",
+    groups = {stone = 1}
+})
+
+minetest.register_ore {
+    ore_type = "scatter",
+    ore = "copper_ore",
+    wherein = "stone",
+    
+    clust_scarcity = 4 * 4 * 4,
+    clust_num_ores = 8,
+    clust_size = 3,
+    
+    noise_params = {
+        offset = 0,
+        scale = 1,
+        spread = {x = 100, y = 100, z = 100},
+        seed = 9942,
+        octaves = 3,
+        persistence = 0.7
+    },
+}
+
+rgt.register_item("copper_plate", {
+    inventory_image = "rgt_plate_copper.png"
+})
+
+rgt.register_item("gold_rod", {
+    inventory_image = "rgt_rod_copper.png"
+})
+
+rgt.register_item("gold_gear", {
+    inventory_image = "rgt_gear_copper.png"
+})
 
 -- MARK: - Gold
 
@@ -132,3 +201,15 @@ minetest.register_ore {
         persistence = 0.7
     },
 }
+
+rgt.register_item("gold_plate", {
+    inventory_image = "rgt_plate_gold.png"
+})
+
+rgt.register_item("gold_rod", {
+    inventory_image = "rgt_rod_gold.png"
+})
+
+rgt.register_item("gold_gear", {
+    inventory_image = "rgt_gear_gold.png"
+})