Added white trees (sorry, the texture is terrible), added furnace support (finally), and added cloning support (somewhat)

builtin/misc_register.lua

@@ -22,6 +22,9 @@ minetest.registered_craftitems = {}
 minetest.registered_tools = {}
 minetest.registered_aliases = {}
 minetest.registered_crafts = {}
+minetest.registered_fuels = {}
+minetest.registered_smeltables = {}
+minetest.registered_clones = {}
 
 -- For tables that are indexed by item name:
 -- If table[X] does not exist, default to table[minetest.registered_aliases[X]]
@@ -152,6 +155,8 @@ end
 
 function minetest.register_node(name, nodedef)
 	nodedef.type = "node"
+	minetest.registered_clones[name] = {}
+	minetest.registered_clones[name][0] = name
 	minetest.register_item(name, nodedef)
 end
 
@@ -167,6 +172,50 @@ function minetest.register_craftitem(name, craftitemdef)
 	minetest.register_item(name, craftitemdef)
 end
 
+function minetest.register_craft(craftdef)
+	local tempcraftdef = craftdef
+	if craftdef.recipe ~= nil and craftdef.output ~= nil then
+		if craftdef.type == "cooking" then
+			if minetest.registered_clones[craftdef.recipe] ~= nil then
+				for i,v in ipairs(minetest.registered_clones[craftdef.recipe]) do
+					tempcraftdef.recipe = v
+					minetest.registered_smeltables[v] = craftdef.output
+					minetest.register_craft_raw(tempcraftdef)
+				end
+			else
+				minetest.registered_smeltables[craftdef.recipe] = craftdef.burntime
+				minetest.register_craft_raw(craftdef)
+			end
+		elseif craftdef.type == "fuel" then
+			if minetest.registered_clones[craftdef.recipe] ~= nil then
+				for i,v in ipairs(minetest.registered_clones[craftdef.recipe]) do
+					tempcraftdef.recipe = v
+					minetest.registered_fuels[v] = craftdef.burntime
+					minetest.register_craft_raw(tempcraftdef)
+				end
+			else
+				minetest.registered_fuels[craftdef.recipe] = craftdef.burntime
+				minetest.register_craft_raw(craftdef)
+			end
+		else
+			for i,v in ipairs(craftdef.recipe) do
+				for x,y in ipairs(v) do
+					if minetest.registered_clones[y] ~= nil then
+						for z,a in ipairs(minetest.registered_clones[y]) do
+							tempcraftdef.recipe[v][y] = a
+							minetest.registered_crafts[tempcraftdef.recipe] = craftdef.output
+							minetest.register_craft_raw(tempcraftdef)
+						end
+					else
+						minetest.registered_crafts[craftdef.recipe] = craftdef.output
+						minetest.register_craft_raw(craftdef)
+					end
+				end
+			end
+		end
+	end
+end
+
 function minetest.register_tool(name, tooldef)
 	tooldef.type = "tool"
 	tooldef.stack_max = 1
@@ -228,6 +277,16 @@ for name in pairs(forbidden_item_names) do
 	register_alias_raw(name, "")
 end
 
+-- Clone a node, changing something
+function minetest.register_node_clone(name, original_name, nodedefs)
+	local newnodedef = minetest.registered_nodes[original_name]
+	for ndn, nd in pairs(nodedefs) do
+		newnodedef[ndn] = nd;
+	end
+	minetest.registered_clones[original_name][table.getn(minetest.registered_clones[original_name])+1] = name
+	minetest.register_node(name, newnodedef)
+end
+
 
 -- Deprecated:
 -- Aliases for minetest.register_alias (how ironic...)

games/minetest/mods/default/init.lua

@@ -850,6 +850,10 @@ minetest.register_node("default:tree", {
 	sounds = default.node_sound_wood_defaults(),
 })
 
+minetest.register_node_clone("default:tree_white", "default:tree", {
+	tile_images = {"default_tree_top_white.png", "default_tree_top_white.png", "default_tree_white.png"},
+})
+
 minetest.register_node("default:jungletree", {
 	description = "Jungle Tree",
 	tile_images = {"default_jungletree_top.png", "default_jungletree_top.png", "default_jungletree.png"},

games/minetest/mods/default/mapgen.lua

@@ -7,6 +7,7 @@
 minetest.register_alias("mapgen_air", "air")
 minetest.register_alias("mapgen_stone", "default:stone")
 minetest.register_alias("mapgen_tree", "default:tree")
+minetest.register_alias("mapgen_tree_white", "default:tree_white")
 minetest.register_alias("mapgen_jungletree", "default:jungletree")
 minetest.register_alias("mapgen_leaves", "default:leaves")
 minetest.register_alias("mapgen_apple", "default:apple")

src/game.cpp

@@ -1750,7 +1750,7 @@ void the_game(
 				guienv->setFocus(gui_chat_console);
 			}
 		}
-		if(input->wasKeyDown(getKeySetting("keymap_freemove")))
+		/*if(input->wasKeyDown(getKeySetting("keymap_freemove")))
 		{
 			if(g_settings->getBool("free_move"))
 			{
@@ -1766,7 +1766,7 @@ void the_game(
 				if(!client.checkPrivilege("fly"))
 					statustext += L" (note: no 'fly' privilege)";
 			}
-		}
+		}*/
 		if(input->wasKeyDown(getKeySetting("keymap_fastmove")))
 		{
 			if(g_settings->getBool("fast_move"))
@@ -2586,7 +2586,7 @@ void the_game(
 				(daynight_ratio * LIGHT_SUN) / 1000) / 255.0;
 		float direct_brightness = 0;
 		bool sunlight_seen = false;
-		if(g_settings->getBool("free_move")){
+		if(player->is_flying){
 			direct_brightness = time_brightness;
 			sunlight_seen = true;
 		} else {

src/mapgen.cpp

@@ -230,7 +230,16 @@ void make_custom_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
 void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
 		bool is_apple_tree, INodeDefManager *ndef)
 {
-	MapNode treenode(ndef->getId("mapgen_tree"));
+	bool white_tree = myrand_range(0, 5) == 1;
+	MapNode treenode;
+	if (white_tree)
+	{
+		treenode = ndef->getId("mapgen_tree_white");
+	}
+	else
+	{
+		treenode = ndef->getId("mapgen_tree");
+	}
 	MapNode leavesnode(ndef->getId("mapgen_leaves"));
 	MapNode applenode(ndef->getId("mapgen_apple"));
 	mapnoderandom applestruct;

src/scriptapi.cpp

@@ -4296,7 +4296,7 @@ static const struct luaL_Reg minetest_f [] = {
 	{"log", l_log},
 	{"register_item_raw", l_register_item_raw},
 	{"register_alias_raw", l_register_alias_raw},
-	{"register_craft", l_register_craft},
+	{"register_craft_raw", l_register_craft},
 	{"setting_set", l_setting_set},
 	{"setting_get", l_setting_get},
 	{"setting_getbool", l_setting_getbool},