merge upstream

mods/flowers/init.lua

@@ -75,6 +75,12 @@ flowers.datas = {
 		{-4 / 16, -0.5, -4 / 16, 4 / 16, -2 / 16, 4 / 16},
 		{color_yellow = 1, flammable = 1}
 	},
+	{
+		"chrysanthemum_green",
+		"Green Chrysanthemum",
+		{-4 / 16, -0.5, -4 / 16, 4 / 16, -1 / 16, 4 / 16},
+		{color_green = 1, flammable = 1}
+	},
 	{
 		"geranium",
 		"Blue Geranium",
@@ -93,6 +99,12 @@ flowers.datas = {
 		{-5 / 16, -0.5, -5 / 16, 5 / 16, -2 / 16, 5 / 16},
 		{color_white = 1, flammable = 1}
 	},
+	{
+		"tulip_black",
+		"Black Tulip",
+		{-2 / 16, -0.5, -2 / 16, 2 / 16, 3 / 16, 2 / 16},
+		{color_black = 1, flammable = 1}
+	},
 }
 
 for _,item in pairs(flowers.datas) do
@@ -127,24 +139,29 @@ function flowers.flower_spread(pos, node)
 
 	local pos0 = vector.subtract(pos, 4)
 	local pos1 = vector.add(pos, 4)
+	-- Testing shows that a threshold of 3 results in an appropriate maximum
+	-- density of approximately 7 flora per 9x9 area.
 	if #minetest.find_nodes_in_area(pos0, pos1, "group:flora") > 3 then
 		return
 	end
 
 	local soils = minetest.find_nodes_in_area_under_air(
 		pos0, pos1, "group:soil")
-	if #soils > 0 then
-		local seedling = soils[math.random(#soils)]
-		local seedling_above =
-			{x = seedling.x, y = seedling.y + 1, z = seedling.z}
-		light = minetest.get_node_light(seedling_above)
-		if not light or light < 13 or
-				-- Desert sand is in the soil group
-				minetest.get_node(seedling).name == "default:desert_sand" then
-			return
+	local num_soils = #soils
+	if num_soils >= 1 then
+		for si = 1, math.min(3, num_soils) do
+			local soil = soils[math.random(num_soils)]
+			local soil_name = minetest.get_node(soil).name
+			local soil_above = {x = soil.x, y = soil.y + 1, z = soil.z}
+			light = minetest.get_node_light(soil_above)
+			if light and light >= 13 and
+					-- Only spread to same surface node
+					soil_name == under.name and
+					-- Desert sand is in the soil group
+					soil_name ~= "default:desert_sand" then
+				minetest.set_node(soil_above, {name = node.name})
+			end
 		end
-
-		minetest.set_node(seedling_above, {name = node.name})
 	end
 end
 
@@ -152,7 +169,7 @@ minetest.register_abm({
 	label = "Flower spread",
 	nodenames = {"group:flora"},
 	interval = 13,
-	chance = 96,
+	chance = 300,
 	action = function(...)
 		flowers.flower_spread(...)
 	end,
@@ -173,7 +190,7 @@ minetest.register_node("flowers:mushroom_red", {
 	sunlight_propagates = true,
 	walkable = false,
 	buildable_to = true,
-	groups = {snappy = 3, attached_node = 1, flammable = 1},
+	groups = {snappy = 3, attached_node = 1, flammable = 1, mushroom = 1},
 	sounds = default.node_sound_leaves_defaults(),
 	on_use = minetest.item_eat(-5),
 	selection_box = {
@@ -192,7 +209,7 @@ minetest.register_node("flowers:mushroom_brown", {
 	sunlight_propagates = true,
 	walkable = false,
 	buildable_to = true,
-	groups = {snappy = 3, attached_node = 1, flammable = 1},
+	groups = {food_mushroom = 1, snappy = 3, attached_node = 1, flammable = 1, mushroom = 1},
 	sounds = default.node_sound_leaves_defaults(),
 	on_use = minetest.item_eat(1),
 	selection_box = {
@@ -204,38 +221,34 @@ minetest.register_node("flowers:mushroom_brown", {
 
 -- Mushroom spread and death
 
+function flowers.mushroom_spread(pos, node)
+	if minetest.get_node_light(pos, nil) == 15 then
+		minetest.remove_node(pos)
+		return
+	end
+	local positions = minetest.find_nodes_in_area_under_air(
+		{x = pos.x - 1, y = pos.y - 2, z = pos.z - 1},
+		{x = pos.x + 1, y = pos.y + 1, z = pos.z + 1},
+		{"group:soil", "group:tree"})
+	if #positions == 0 then
+		return
+	end
+	local pos2 = positions[math.random(#positions)]
+	pos2.y = pos2.y + 1
+	if minetest.get_node_light(pos, 0.5) <= 3 and
+			minetest.get_node_light(pos2, 0.5) <= 3 then
+		minetest.set_node(pos2, {name = node.name})
+	end
+end
+
 minetest.register_abm({
 	label = "Mushroom spread",
 	nodenames = {"flowers:mushroom_brown", "flowers:mushroom_red"},
 	interval = 11,
-	chance = 50,
-	action = function(pos, node)
-		if minetest.get_node_light(pos, nil) == 15 then
-			minetest.remove_node(pos)
-			return
-		end
-		local random = {
-			x = pos.x + math.random(-2, 2),
-			y = pos.y + math.random(-1, 1),
-			z = pos.z + math.random(-2, 2)
-		}
-		local random_node = minetest.get_node_or_nil(random)
-		if not random_node or random_node.name ~= "air" then
-			return
-		end
-		local node_under = minetest.get_node_or_nil({x = random.x,
-			y = random.y - 1, z = random.z})
-		if not node_under then
-			return
-		end
-
-		if (minetest.get_item_group(node_under.name, "soil") ~= 0 or
-				minetest.get_item_group(node_under.name, "tree") ~= 0) and
-				minetest.get_node_light(pos, 0.5) <= 3 and
-				minetest.get_node_light(random, 0.5) <= 3 then
-			minetest.set_node(random, {name = node.name})
-		end
-	end
+	chance = 150,
+	action = function(...)
+		flowers.mushroom_spread(...)
+	end,
 })
 
 
@@ -264,7 +277,6 @@ minetest.register_node("flowers:waterlily", {
 	liquids_pointable = true,
 	walkable = false,
 	buildable_to = true,
-	sunlight_propagates = true,
 	floodable = true,
 	groups = {snappy = 3, flower = 1, flammable = 1},
 	sounds = default.node_sound_leaves_defaults(),
@@ -280,12 +292,17 @@ minetest.register_node("flowers:waterlily", {
 
 	on_place = function(itemstack, placer, pointed_thing)
 		local pos = pointed_thing.above
-		local node = minetest.get_node(pointed_thing.under).name
-		local def = minetest.registered_nodes[node]
-		local player_name = placer:get_player_name()
+		local node = minetest.get_node(pointed_thing.under)
+		local def = minetest.registered_nodes[node.name]
+		local player_name = placer and placer:get_player_name() or ""
+
+		if def and def.on_rightclick then
+			return def.on_rightclick(pointed_thing.under, node, placer, itemstack,
+					pointed_thing)
+		end
 
 		if def and def.liquidtype == "source" and
-				minetest.get_item_group(node, "water") > 0 then
+				minetest.get_item_group(node.name, "water") > 0 then
 			if not minetest.is_protected(pos, player_name) then
 				minetest.set_node(pos, {name = "flowers:waterlily",
 					param2 = math.random(0, 3)})