Merge master into testing

mods/MAPGEN/mcl_mapgen_core/init.lua

@@ -28,7 +28,9 @@ minetest.register_alias("mapgen_clay", "mcl_core:clay")
 minetest.register_alias("mapgen_lava_source", "air") -- Built-in lava generator is too unpredictable, we generate lava on our own
 minetest.register_alias("mapgen_cobble", "mcl_core:cobble")
 minetest.register_alias("mapgen_mossycobble", "mcl_core:mossycobble")
+if minetest.get_modpath("mcl_flowers") then
 	minetest.register_alias("mapgen_junglegrass", "mcl_flowers:fern")
+end
 minetest.register_alias("mapgen_stone_with_coal", "mcl_core:stone_with_coal")
 minetest.register_alias("mapgen_stone_with_iron", "mcl_core:stone_with_iron")
 minetest.register_alias("mapgen_desert_sand", "mcl_core:sand")
@@ -43,11 +45,14 @@ minetest.register_alias("mapgen_snow", "mcl_core:snow")
 minetest.register_alias("mapgen_snowblock", "mcl_core:snowblock")
 minetest.register_alias("mapgen_ice", "mcl_core:ice")
 
-minetest.register_alias("mapgen_stair_cobble", "mcl_stairs:stair_cobble")
 minetest.register_alias("mapgen_sandstonebrick", "mcl_core:sandstonesmooth")
+
+if minetest.get_modpath("mcl_stairs") then
+	minetest.register_alias("mapgen_stair_cobble", "mcl_stairs:stair_cobble")
 	minetest.register_alias("mapgen_stair_sandstonebrick", "mcl_stairs:stair_sandstone")
 	minetest.register_alias("mapgen_stair_sandstone_block", "mcl_stairs:stair_sandstone")
 	minetest.register_alias("mapgen_stair_desert_stone", "mcl_stairs:stair_sandstone")
+end
 
 local mg_name = minetest.get_mapgen_setting("mg_name")
 local superflat = mg_name == "flat" and minetest.get_mapgen_setting("mcl_superflat_classic") == "true"
@@ -69,9 +74,16 @@ local c_sand = minetest.get_content_id("mcl_core:sand")
 local c_void = minetest.get_content_id("mcl_core:void")
 local c_lava = minetest.get_content_id("mcl_core:lava_source")
 local c_water = minetest.get_content_id("mcl_core:water_source")
-local c_soul_sand = minetest.get_content_id("mcl_nether:soul_sand")
-local c_netherrack = minetest.get_content_id("mcl_nether:netherrack")
-local c_nether_lava = minetest.get_content_id("mcl_nether:nether_lava_source")
+
+local c_nether = nil
+if minetest.get_modpath("mcl_nether") then
+	c_nether = {
+		soul_sand = minetest.get_content_id("mcl_nether:soul_sand"),
+		netherrack = minetest.get_content_id("mcl_nether:netherrack"),
+		lava = minetest.get_content_id("mcl_nether:nether_lava_source")
+	}
+end
+
 --local c_end_stone = minetest.get_content_id("mcl_end:end_stone")
 local c_realm_barrier = minetest.get_content_id("mcl_core:realm_barrier")
 local c_top_snow = minetest.get_content_id("mcl_core:snow")
@@ -80,12 +92,18 @@ local c_clay = minetest.get_content_id("mcl_core:clay")
 local c_leaves = minetest.get_content_id("mcl_core:leaves")
 local c_jungleleaves = minetest.get_content_id("mcl_core:jungleleaves")
 --local c_jungletree = minetest.get_content_id("mcl_core:jungletree")
-local c_cocoa_1 = minetest.get_content_id("mcl_cocoas:cocoa_1")
-local c_cocoa_2 = minetest.get_content_id("mcl_cocoas:cocoa_2")
-local c_cocoa_3 = minetest.get_content_id("mcl_cocoas:cocoa_3")
 local c_vine = minetest.get_content_id("mcl_core:vine")
 local c_air = minetest.CONTENT_AIR
 
+local c_cocoas = nil
+if minetest.get_modpath("mcl_cocoas") then
+	c_cocoas = {
+		minetest.get_content_id("mcl_cocoas:cocoa_1"),
+		minetest.get_content_id("mcl_cocoas:cocoa_2"),
+		minetest.get_content_id("mcl_cocoas:cocoa_3")
+	}
+end
+
 --
 -- Ore generation
 --
@@ -710,6 +728,13 @@ local function register_mgv6_decorations()
 		num_spawn_by = 1,
 	})
 
+	-- Hack to make sure certain items only spawn in jungles
+	local spawn_by_in_jungle = { "mcl_core:jungletree" }
+	if minetest.get_modpath("mcl_flowers") then
+		table.insert(spawn_by_in_jungle, "mcl_flowers:fern")
+	end
+
+	if minetest.get_modpath("mcl_flowers") then
 		-- Doubletall grass
 		minetest.register_decoration({
 			deco_type = "schematic",
@@ -747,7 +772,7 @@ local function register_mgv6_decorations()
 				},
 			},
 			-- v6 hack: This makes sure large ferns only appear in jungles
-		spawn_by = { "mcl_core:jungletree", "mcl_flowers:fern" },
+			spawn_by = spawn_by_in_jungle,
 			num_spawn_by = 1,
 			place_on = {"group:grass_block_no_snow"},
 
@@ -823,7 +848,9 @@ local function register_mgv6_decorations()
 			y_max = 0,
 			rotation = "random",
 		})
+	end
 
+	if minetest.get_modpath("mcl_farming") then
 		-- Pumpkin
 		minetest.register_decoration({
 			deco_type = "simple",
@@ -858,14 +885,16 @@ local function register_mgv6_decorations()
 				persist = 0.6
 			},
 			-- Small trick to make sure melon spawn in jungles
-		spawn_by = { "mcl_core:jungletree", "mcl_flowers:fern" },
+			spawn_by = spawn_by_in_jungle,
 			num_spawn_by = 1,
 			y_min = 1,
 			y_max = 40,
 			decoration = "mcl_farming:melon",
 		})
+	end
 
 	-- Tall grass
+	if minetest.get_modpath("mcl_flowers") then
 		minetest.register_decoration({
 			deco_type = "simple",
 			place_on = {"group:grass_block_no_snow"},
@@ -898,8 +927,10 @@ local function register_mgv6_decorations()
 			y_max = mcl_vars.overworld_max,
 			decoration = "mcl_flowers:tallgrass",
 		})
+	end
 
 	-- Seagrass and kelp
+	if minetest.get_modpath("mcl_ocean") then
 		local materials = {"dirt","sand"}
 		for i=1, #materials do
 			local mat = materials[i]
@@ -989,11 +1020,12 @@ local function register_mgv6_decorations()
 				param2 = 32,
 				param2_max = 160,
 			})
-
+		end
 	end
 
 	-- Wet Sponge
 	-- TODO: Remove this when we got ocean monuments
+	if minetest.get_modpath("mcl_sponges") then
 		minetest.register_decoration({
 			deco_type = "simple",
 			decoration = "mcl_sponges:sponge_wet",
@@ -1013,8 +1045,10 @@ local function register_mgv6_decorations()
 			y_min = mcl_vars.mg_lava_overworld_max + 5,
 			y_max = -20,
 		})
+	end
 
 	-- Add a small amount of tall grass everywhere to avoid areas completely empty devoid of tall grass
+	if minetest.get_modpath("mcl_flowers") then
 		minetest.register_decoration({
 			deco_type = "simple",
 			place_on = {"group:grass_block_no_snow"},
@@ -1024,7 +1058,9 @@ local function register_mgv6_decorations()
 			y_max = mcl_vars.overworld_max,
 			decoration = "mcl_flowers:tallgrass",
 		})
+	end
 
+	if minetest.get_modpath("mcl_mushrooms") then
 		local mushrooms = {"mcl_mushrooms:mushroom_red", "mcl_mushrooms:mushroom_brown"}
 		local mseeds = { 7133, 8244 }
 		for m=1, #mushrooms do
@@ -1048,6 +1084,7 @@ local function register_mgv6_decorations()
 				num_spawn_by = 1,
 			})
 		end
+	end
 
 	-- Dead bushes
 	minetest.register_decoration({
@@ -1067,6 +1104,7 @@ local function register_mgv6_decorations()
 		decoration = "mcl_core:deadbush",
 	})
 
+	if minetest.get_modpath("mcl_flowers") then
 		local function register_mgv6_flower(name, seed, offset, y_max)
 			if offset == nil then
 				offset = 0
@@ -1107,6 +1145,7 @@ local function register_mgv6_decorations()
 		register_mgv6_flower("blue_orchid", 64500, nil, mcl_worlds.layer_to_y(67))
 		register_mgv6_flower("oxeye_daisy", 3490)
 		register_mgv6_flower("poppy", 9439)
+	end
 
 	-- Put top snow on snowy grass blocks. The v6 mapgen does not generate the top snow on its own.
 	minetest.register_decoration({
@@ -1288,6 +1327,10 @@ end
 
 -- TODO: Try to use more efficient structure generating code
 local function generate_structures(minp, maxp, blockseed, biomemap)
+	if mcl_structures == nil then
+		return
+	end
+
 	local chunk_has_desert_well = false
 	local chunk_has_desert_temple = false
 	local chunk_has_igloo = false
@@ -1596,6 +1639,7 @@ local function generate_tree_decorations(minp, maxp, seed, data, param2_data, ar
 
 	local pos, treepos, dir
 
+	if c_cocoas ~= nil then
 		local cocoachance = 40
 		if dense_vegetation then
 			cocoachance = 32
@@ -1628,17 +1672,11 @@ local function generate_tree_decorations(minp, maxp, seed, data, param2_data, ar
 				and data[p_pos] == c_air
 				and l and l > 12 then
 					local c = pr:next(1, 3)
-				if c == 1 then
-					data[p_pos] = c_cocoa_1
-				elseif c == 2 then
-					data[p_pos] = c_cocoa_2
-				else
-					data[p_pos] = c_cocoa_3
-				end
+					data[p_pos] = c_cocoas[c]
 					param2_data[p_pos] = minetest.dir_to_facedir(vector.subtract(treepos, pos))
 					lvm_used = true
 				end
-
+			end
 		end
 	end
 
@@ -1748,6 +1786,10 @@ end
 -- Generate mushrooms in caves manually.
 -- Minetest's API does not support decorations in caves yet. :-(
 local function generate_underground_mushrooms(minp, maxp, seed)
+	if not minetest.get_modpath("mcl_mushrooms") then
+		return
+	end
+
 	local pr_shroom = PseudoRandom(seed-24359)
 	-- Generate rare underground mushrooms
 	-- TODO: Make them appear in groups, use Perlin noise
@@ -1782,6 +1824,10 @@ end
 -- Generate Nether decorations manually: Eternal fire, mushrooms, nether wart
 -- Minetest's API does not support decorations in caves yet. :-(
 local function generate_nether_decorations(minp, maxp, seed)
+	if c_nether == nil then
+		return
+	end
+
 	local pr_nether = PseudoRandom(seed+667)
 
 	if minp.y > mcl_vars.mg_nether_max or maxp.y < mcl_vars.mg_nether_min then
@@ -1824,6 +1870,7 @@ local function generate_nether_decorations(minp, maxp, seed)
 
 	-- Mushrooms on netherrack
 	-- Note: Spawned *after* the fire because of light level checks
+	if minetest.get_modpath("mcl_mushrooms") then
 		special_deco(rack, function(bpos)
 			local l = minetest.get_node_light(bpos, 0.5)
 			if bpos.y > mcl_vars.mg_lava_nether_max + 6 and l and l <= 12 and pr_nether:next(1,1000) <= 4 then
@@ -1835,6 +1882,7 @@ local function generate_nether_decorations(minp, maxp, seed)
 				end
 			end
 		end)
+	end
 
 	-- Nether wart on soul sand
 	-- TODO: Spawn in Nether fortresses
@@ -2047,7 +2095,9 @@ local function basic(vm, data, data2, emin, emax, area, minp, maxp, blockseed)
 		-- Big lava seas by replacing air below a certain height
 		if mcl_vars.mg_lava then
 			lvm_used = set_layers(data, area, c_lava, c_air, mcl_vars.mg_overworld_min, mcl_vars.mg_lava_overworld_max, emin, emax, lvm_used, pr)
-			lvm_used = set_layers(data, area, c_nether_lava, c_air, mcl_vars.mg_nether_min, mcl_vars.mg_lava_nether_max, emin, emax, lvm_used, pr)
+			if c_nether then
+				lvm_used = set_layers(data, area, c_nether.lava, c_air, mcl_vars.mg_nether_min, mcl_vars.mg_lava_nether_max, emin, emax, lvm_used, pr)
+			end
 		end
 
 		-- Clay, vines, cocoas
@@ -2129,25 +2179,27 @@ local function basic(vm, data, data2, emin, emax, area, minp, maxp, blockseed)
 		-- * Replace water with Nether lava.
 		-- * Replace stone, sand dirt in v6 so the Nether works in v6.
 		elseif emin.y <= mcl_vars.mg_nether_max and emax.y >= mcl_vars.mg_nether_min then
+			if c_nether then
 				if mg_name == "v6" then
 					local nodes = minetest.find_nodes_in_area(emin, emax, {"mcl_core:water_source", "mcl_core:stone", "mcl_core:sand", "mcl_core:dirt"})
 					for n=1, #nodes do
 						local p_pos = area:index(nodes[n].x, nodes[n].y, nodes[n].z)
 						if data[p_pos] == c_water then
-						data[p_pos] = c_nether_lava
+							data[p_pos] = c_nether.lava
 							lvm_used = true
 						elseif data[p_pos] == c_stone then
-						data[p_pos] = c_netherrack
+							data[p_pos] = c_nether.netherrack
 							lvm_used = true
 						elseif data[p_pos] == c_sand or data[p_pos] == c_dirt then
-						data[p_pos] = c_soul_sand
+							data[p_pos] = c_nether.soul_sand
 							lvm_used = true
 						end
 					end
 				else
 					local nodes = minetest.find_nodes_in_area(emin, emax, {"group:water"})
 					for _, n in pairs(nodes) do
-					data[area:index(n.x, n.y, n.z)] = c_nether_lava
+						data[area:index(n.x, n.y, n.z)] = c_nether.lava
+					end
 				end
 			end
 

mods/MAPGEN/mcl_mapgen_core/mod.conf

@@ -1,5 +1,5 @@
 name = mcl_mapgen_core
 author = Wuzzy
 description = The core of the MCL2 mapgen
-depends = mcl_init, mcl_core, biomeinfo, mcl_worlds, mcl_cocoas, mcl_sponges, mcl_ocean, mcl_stairs, mcl_monster_eggs, mcl_structures
-optional_depends = mclx_core
+depends = mcl_init, mcl_core, biomeinfo, mcl_worlds
+optional_depends = mclx_core, mcl_cocoas, mcl_sponges, mcl_ocean, mcl_stairs, mcl_monster_eggs, mcl_structures, mcl_flowers, mcl_farming, mcl_mushrooms, mcl_nether