Ores: Add tin ore, lump, ingot and block

Use Calinou's textures from moreores mod.
Craft bronze from tin and copper instead of steel and copper.
Match ore density to the moreores mod but start ore at a depth of
y = -32 to be part of the depth progression of other ores.

mods/default/README.txt

@@ -53,6 +53,10 @@ Calinou (CC BY-SA 3.0):
   default_papyrus.png
   default_mineral_copper.png
   default_glass_detail.png
+  default_mineral_tin.png
+  default_tin_block.png
+  default_tin_ingot.png
+  default_tin_lump.png
 
 MirceaKitsune (CC BY-SA 3.0):
   character.x

mods/default/crafting.lua

@@ -392,12 +392,6 @@ minetest.register_craft({
 	}
 })
 
-minetest.register_craft({
-	type = "shapeless",
-	output = "default:bronze_ingot",
-	recipe = {"default:steel_ingot", "default:copper_ingot"},
-})
-
 minetest.register_craft({
 	output = 'default:coalblock',
 	recipe = {
@@ -446,6 +440,31 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+	output = "default:tinblock",
+	recipe = {
+		{"default:tin_ingot", "default:tin_ingot", "default:tin_ingot"},
+		{"default:tin_ingot", "default:tin_ingot", "default:tin_ingot"},
+		{"default:tin_ingot", "default:tin_ingot", "default:tin_ingot"},
+	}
+})
+
+minetest.register_craft({
+	output = "default:tin_ingot 9",
+	recipe = {
+		{"default:tinblock"},
+	}
+})
+
+minetest.register_craft({
+	output = "default:bronze_ingot 9",
+	recipe = {
+		{"default:copper_ingot", "default:copper_ingot", "default:copper_ingot"},
+		{"default:copper_ingot", "default:tin_ingot", "default:copper_ingot"},
+		{"default:copper_ingot", "default:copper_ingot", "default:copper_ingot"},
+	}
+})
+
 minetest.register_craft({
 	output = 'default:bronzeblock',
 	recipe = {
@@ -849,6 +868,12 @@ minetest.register_craft({
 	recipe = "default:copper_lump",
 })
 
+minetest.register_craft({
+	type = "cooking",
+	output = "default:tin_ingot",
+	recipe = "default:tin_lump",
+})
+
 minetest.register_craft({
 	type = "cooking",
 	output = "default:gold_ingot",

mods/default/craftitems.lua

@@ -258,6 +258,11 @@ minetest.register_craftitem("default:copper_lump", {
 	inventory_image = "default_copper_lump.png",
 })
 
+minetest.register_craftitem("default:tin_lump", {
+	description = "Tin Lump",
+	inventory_image = "default_tin_lump.png",
+})
+
 minetest.register_craftitem("default:mese_crystal", {
 	description = "Mese Crystal",
 	inventory_image = "default_mese_crystal.png",
@@ -288,6 +293,11 @@ minetest.register_craftitem("default:copper_ingot", {
 	inventory_image = "default_copper_ingot.png",
 })
 
+minetest.register_craftitem("default:tin_ingot", {
+	description = "Tin Ingot",
+	inventory_image = "default_tin_ingot.png",
+})
+
 minetest.register_craftitem("default:bronze_ingot", {
 	description = "Bronze Ingot",
 	inventory_image = "default_bronze_ingot.png",

mods/default/mapgen.lua

@@ -357,6 +357,41 @@ function default.register_ores()
 		y_max          = -64,
 	})
 
+	-- Tin
+
+	minetest.register_ore({
+		ore_type       = "scatter",
+		ore            = "default:stone_with_tin",
+		wherein        = "default:stone",
+		clust_scarcity = 10 * 10 * 10,
+		clust_num_ores = 9,
+		clust_size     = 3,
+		y_min          = 1025,
+		y_max          = 31000,
+	})
+
+	minetest.register_ore({
+		ore_type       = "scatter",
+		ore            = "default:stone_with_tin",
+		wherein        = "default:stone",
+		clust_scarcity = 13 * 13 * 13,
+		clust_num_ores = 7,
+		clust_size     = 3,
+		y_min          = -31000,
+		y_max          = -32,
+	})
+
+	minetest.register_ore({
+		ore_type       = "scatter",
+		ore            = "default:stone_with_tin",
+		wherein        = "default:stone",
+		clust_scarcity = 10 * 10 * 10,
+		clust_num_ores = 9,
+		clust_size     = 3,
+		y_min          = -31000,
+		y_max          = -128,
+	})
+
 	-- Gold
 
 	minetest.register_ore({

mods/default/nodes.lua

@@ -107,6 +107,10 @@ default:steelblock
 
 default:stone_with_copper
 default:copperblock
+
+default:stone_with_tin
+default:tinblock
+
 default:bronzeblock
 
 default:stone_with_gold
@@ -1046,6 +1050,24 @@ minetest.register_node("default:copperblock", {
 	sounds = default.node_sound_metal_defaults(),
 })
 
+
+minetest.register_node("default:stone_with_tin", {
+	description = "Tin Ore",
+	tiles = {"default_stone.png^default_mineral_tin.png"},
+	groups = {cracky = 2},
+	drop = "default:tin_lump",
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("default:tinblock", {
+	description = "Tin Block",
+	tiles = {"default_tin_block.png"},
+	is_ground_content = false,
+	groups = {cracky = 1, level = 2},
+	sounds = default.node_sound_metal_defaults(),
+})
+
+
 minetest.register_node("default:bronzeblock", {
 	description = "Bronze Block",
 	tiles = {"default_bronze_block.png"},