Merge branch 'master' into doc-refactoring

mods/ITEMS/mcl_end/chorus_plant.lua

@@ -309,7 +309,7 @@ minetest.register_node("mcl_end:chorus_plant", {
 })
 
 -- Grow a complete chorus plant at pos
-mcl_end.grow_chorus_plant = function(pos, node)
+mcl_end.grow_chorus_plant = function(pos, node, pr)
 	local flowers = { pos }
 	-- Plant initial flower (if it isn't there already)
 	if not node then
@@ -321,7 +321,7 @@ mcl_end.grow_chorus_plant = function(pos, node)
 	while true do
 		local new_flowers_list = {}
 		for f=1, #flowers do
-			local new_flowers = mcl_end.grow_chorus_plant_step(flowers[f], minetest.get_node(flowers[f]))
+			local new_flowers = mcl_end.grow_chorus_plant_step(flowers[f], minetest.get_node(flowers[f]), pr)
 			if #new_flowers > 0 then
 				table.insert(new_flowers_list, new_flowers)
 			end
@@ -340,7 +340,7 @@ end
 
 -- Grow a single step of a chorus plant at pos.
 -- Pos must be a chorus flower.
-mcl_end.grow_chorus_plant_step = function(pos, node)
+mcl_end.grow_chorus_plant_step = function(pos, node, pr)
 	local new_flower_buds = {}
 	local above = { x = pos.x, y = pos.y + 1, z = pos.z }
 	local node_above = minetest.get_node(above)
@@ -396,7 +396,7 @@ mcl_end.grow_chorus_plant_step = function(pos, node)
 
 		if grow_chance then
 			local new_flowers = {}
-			local r = math.random(1, 100)
+			local r = pr:next(1, 100)
 			local age = node.param2
 			if r <= grow_chance then
 				table.insert(new_flowers, above)
@@ -404,13 +404,13 @@ mcl_end.grow_chorus_plant_step = function(pos, node)
 				age = age + 1
 				local branches
 				if branching == false then
-					branches = math.random(1, 4)
+					branches = pr:next(1, 4)
 				elseif branching == true then
-					branches = math.random(0, 3)
+					branches = pr:next(0, 3)
 				end
 				local branch_grown = false
 				for b=1, branches do
-					local next_branch = math.random(1, #around)
+					local next_branch = pr:next(1, #around)
 					local branch = vector.add(pos, around[next_branch])
 					local below_branch = vector.add(branch, {x=0,y=-1,z=0})
 					if minetest.get_node(below_branch).name == "air" then
@@ -457,7 +457,7 @@ minetest.register_abm({
 	interval = 35.0,
 	chance = 4.0,
 	action = function(pos, node, active_object_count, active_object_count_wider)
-		mcl_end.grow_chorus_plant_step(pos, node)
+		mcl_end.grow_chorus_plant_step(pos, node, pr)
 	end,
 })
 

mods/MAPGEN/mcl_biomes/init.lua

@@ -3974,9 +3974,16 @@ if mg_name ~= "singlenode" then
 		mcl_mapgen_core.register_generator("chorus_grow", nil, function(minp, maxp, blockseed)
 			local gennotify = minetest.get_mapgen_object("gennotify")
 			--local poslist = {}
+			local pr = PseudoRandom(blockseed + 14)
 			for _, pos in ipairs(gennotify["decoration#"..deco_id_chorus_plant] or {}) do
-				local realpos = { x = pos.x, y = pos.y + 1, z = pos.z }
+				local x, y, z = pos.x, pos.y, pos.z
-				mcl_end.grow_chorus_plant(realpos)
+				if x < -2 or x > 2 or z < -2 or z > 2 then
+					local realpos = { x = x, y = y + 1, z = z }
+					local node = minetest.get_node(realpos)
+					if node and node.name == "mcl_end:chorus_flower" then
+						mcl_end.grow_chorus_plant(realpos, node, pr)
+					end
+				end
 			end
 		end)
 	end

mods/MAPGEN/mcl_mapgen_core/init.lua

@@ -1248,9 +1248,14 @@ local function generate_clay(minp, maxp, blockseed, voxelmanip_data, voxelmanip_
 end
 
 local function generate_end_exit_portal(pos)
-	local dragon_entity = minetest.add_entity(vector.add(pos, vector.new(3, 11, 3)), "mobs_mc:enderdragon"):get_luaentity()
+	local obj = minetest.add_entity(vector.add(pos, vector.new(3, 11, 3)), "mobs_mc:enderdragon")
+	if obj then
+		local dragon_entity = obj:get_luaentity()
 		dragon_entity._initial = true
 		dragon_entity._portal_pos = pos
+	else
+		minetest.log("error", "[mcl_mapgen_core] ERROR! Ender dragon doesn't want to spawn")
+	end
 	mcl_structures.call_struct(pos, "end_exit_portal")
 end