Plusieurs modifications

- Suppression du biome snow_sand
- Suppression de plusieurs ABMS pour gagner en performance
- Suppression de code obsolète
- Suppression de la mapgen V6
- Génération des sapins à base de schematics

src/nodes.lua

@@ -1,29 +1,81 @@
 -- NODES
 
+-- Grow sapling
+
+local function grow_pine_tree(pos)
+	local path = minetest.get_modpath("snow").."/schematics/snow_pine_from_sapling.mts"
+	minetest.place_schematic({x= pos.x -2, y = pos.y - 1, z = pos.z - 2}, path, "0", nil, false)
+end
+
+local function grow_snowy_pine_tree(pos)
+	local path = minetest.get_modpath("snow").."/schematics/snowy_snow_pine_from_sapling.mts"
+	minetest.place_schematic({x= pos.x -2, y = pos.y - 1, z = pos.z - 2}, path, "random", nil, false)
+end
+
+local function grow_xmas_tree(pos)
+	local path = minetest.get_modpath("snow").."/schematics/snow_xmas_from_sapling.mts"
+	minetest.place_schematic({x= pos.x -2, y = pos.y - 1, z = pos.z - 2}, path, "0", nil, false)
+end
+
+local function grow_snowy_xmas_tree(pos)
+	local path = minetest.get_modpath("snow").."/schematics/snowy_snow_xmas_from_sapling.mts"
+	minetest.place_schematic({x= pos.x -2, y = pos.y - 1, z = pos.z - 2}, path, "random", nil, false)
+end
+
+local function is_snow_nearby(pos)
+	return minetest.find_node_near(pos, 1, {"group:snowy"})
+end
+
+local function grow_sapling(pos)
+	if not default.can_grow(pos) then
+		-- try again 5 min later
+		minetest.get_node_timer(pos):start(300)
+		return
+	end
+
+	local node = minetest.get_node(pos)
+	if node.name == "snow:sapling_pine" then
+		minetest.log("action", "A Snow Pine sapling grows into a tree at "..minetest.pos_to_string(pos))
+		if is_snow_nearby(pos) then
+			grow_snowy_pine_tree(pos)
+		else
+			grow_pine_tree(pos)
+		end
+	elseif node.name == "snow:xmas_tree" then
+		minetest.log("action", "A Christmas sapling grows into a tree at "..minetest.pos_to_string(pos))
+		if is_snow_nearby(pos) then
+			grow_snowy_xmas_tree(pos)
+		else
+			grow_xmas_tree(pos)
+		end
+	end
+end
+
+minetest.register_lbm({
+	name = "snow:convert_saplings_to_node_timer",
+	nodenames = {"snow:sapling_pine", "snow:xmas_tree"},
+	action = function(pos)
+		minetest.get_node_timer(pos):start(math.random(300, 1500))
+	end
+})
+
 -- Pine Needles
-local nodedef = {
-	description = "Snow Pine Needles",
-	drawtype = "allfaces_optional",
-	visual_scale = 1.3,
-	tiles = {"snow_needles.png"},
-	waving = 1,
-	paramtype = "light",
-	groups = {snappy = 3, leafdecay = 3, flammable = 2, leaves = 1},
-	drop = {
-		max_items = 1,
-		items = {
-			{
-				-- player will get sapling with 1/20 chance
-				items = {'snow:sapling_pine'},
-				rarity = 20,
-			},
-			{
-				items = {'snow:needles'},
-			}
+local nodedef = table.copy(minetest.registered_nodes["default:pine_needles"])
+nodedef.description = "Snow Pine Needles"
+nodedef.tiles = {"snow_needles.png"}
+nodedef.visual_scale = 1.3
+nodedef.drop = {
+	max_items = 1,
+	items = {
+		{
+			-- player will get sapling with 1/20 chance
+			items = {'snow:sapling_pine'},
+			rarity = 20,
+		},
+		{
+			items = {'snow:needles'},
 		}
-	},
-	sounds = default.node_sound_leaves_defaults(),
-	after_place_node = default.after_place_leaves,
+	}
 }
 
 --[[
@@ -43,12 +95,6 @@ end
 
 minetest.register_node("snow:needles", table.copy(nodedef))
 
-default.register_leafdecay{
-	trunks = {"default:pine_tree"},
-	leaves = {"snow:needles", "default:pine_needles"},
-	radius = 2,
-}
-
 snow.register_on_configuring(function(name, v)
 	if name == "christmas_content" then
 		local drop = minetest.registered_nodes["snow:needles"].drop
@@ -86,25 +132,35 @@ else
 end
 nodedef.drop.items[#nodedef.drop.items] = {items = {'snow:needles_decorated'}}
 
-minetest.register_node("snow:needles_decorated", nodedef)
+minetest.register_node("snow:needles_decorated", table.copy(nodedef))
 
+-- Leaf decay
+
+default.register_leafdecay{
+	trunks = {"default:pine_tree"},
+	leaves = {"snow:needles", "default:pine_needles", "snow:needles_decorated"},
+	radius = 2,
+}
 
 -- Saplings
 
-nodedef = {
-	description = "Snow Pine Sapling",
-	drawtype = "plantlike",
-	visual_scale = 1.0,
-	tiles = {"snow_sapling_pine.png"},
-	inventory_image = "snow_sapling_pine.png",
-	wield_image = "snow_sapling_pine.png",
-	paramtype = "light",
-	sunlight_propagates = true,
-	walkable = false,
-	groups = {snappy=2,dig_immediate=3, flammable = 3,
-				 attached_node = 1, sapling = 1},
-	sounds = default.node_sound_leaves_defaults(),
-}
+nodedef = table.copy(minetest.registered_nodes["default:pine_sapling"])
+nodedef.description = "Snow Pine Sapling"
+nodedef.tiles = {"snow_sapling_pine.png"}
+nodedef.inventory_image = "snow_sapling_pine.png"
+nodedef.wield_image = "snow_sapling_pine.png"
+nodedef.on_timer = grow_sapling
+nodedef.on_place = function(itemstack, placer, pointed_thing)
+	itemstack = default.sapling_on_place(
+		itemstack,
+		placer,
+		pointed_thing,
+		"snow:sapling_pine",
+		{x = -2, y = 1, z = -2},
+		{x = 2, y = 13, z = 2},
+		4)
+	return itemstack
+end
 
 -- Pine Sapling
 minetest.register_node("snow:sapling_pine", table.copy(nodedef))
@@ -114,10 +170,21 @@ nodedef.description = "Christmas Tree"
 nodedef.tiles = {"snow_xmas_tree.png"}
 nodedef.inventory_image = "snow_xmas_tree.png"
 nodedef.wield_image = "snow_xmas_tree.png"
+nodedef.on_place = function(itemstack, placer, pointed_thing)
+	itemstack = default.sapling_on_place(
+		itemstack,
+		placer,
+		pointed_thing,
+		"snow:xmas_tree",
+		{x= -2, y = 1, z = -2},
+		{x = 2, y = 14, z = 2},
+		4)
+	return itemstack
+end
 
 minetest.register_node("snow:xmas_tree", nodedef)
 
-
+-- Star
 nodedef = {
 	description = "Star",
 	drawtype = "plantlike",
@@ -229,7 +296,7 @@ if rawget(_G, "flowers") then
 end
 
 -- Leaves
-local leaves = minetest.registered_nodes["default:leaves"]
+--[[local leaves = minetest.registered_nodes["default:leaves"]
 nodedef = {
 	description = "Snow Leaves",
 	tiles = {"snow_leaves.png"},
@@ -265,7 +332,7 @@ nodedef.groups.flammable = 1
 minetest.register_node("snow:apple", nodedef)
 snow.known_plants[minetest.get_content_id("default:apple")] = minetest.get_content_id("snow:apple")
 
---[[if not snow.disable_mapgen then
+if not snow.disable_mapgen then
 	-- decay from default/nodes.lua:2537
 	default.register_leafdecay{
 		trunks = {"default:tree"},