New map

minetest.conf

@@ -1,14 +1,15 @@
 give_initial_stuff = true
 enable_pvp = true
-fixed_map_seed = 16790241579520694642
-mg_name = v6
-mgv6_spflags = nojungles, biomeblend, mudflow, nosnowbiomes, noflat
+fixed_map_seed = 13389864206935783704
+mg_name = v7
+mg_flags = nocaves,nodungeons,light,decorations
 map_generation_limit = 160
 vote.kick_vote = false
-barrier = 102
+barrier = 106
 regen_interval = 10
 regen_amount = 1
 random_messages_interval = 60
+water_level = 43
 
 #
 # CTF_PVP_ENGINE
@@ -30,7 +31,7 @@ ctf.friendly_fire = false
 ctf.autoalloc_on_joinplayer = true
 
 ctf.match = true
-ctf.match.teams = red, red, -64, 16, 85; blue, blue, 23, 14, -77
+ctf.match.teams = red, red, 7, 65, 93; blue, blue, -22, 66, -78
 ctf.match.build_time = 240
 ctf.match.clear_inv = true
 ctf.match.destroy_team = true

mods/default/mapgen.lua

@@ -2,7 +2,6 @@
 -- Aliases for map generator outputs
 --
 
-
 minetest.register_alias("mapgen_stone", "default:stone")
 minetest.register_alias("mapgen_dirt", "default:dirt")
 minetest.register_alias("mapgen_dirt_with_grass", "default:dirt_with_grass")
@@ -19,15 +18,19 @@ minetest.register_alias("mapgen_snow", "default:snow")
 minetest.register_alias("mapgen_ice", "default:ice")
 minetest.register_alias("mapgen_sandstone", "default:sandstone")
 
+-- Flora
+
 minetest.register_alias("mapgen_tree", "default:tree")
 minetest.register_alias("mapgen_leaves", "default:leaves")
 minetest.register_alias("mapgen_apple", "default:apple")
 minetest.register_alias("mapgen_jungletree", "default:jungletree")
 minetest.register_alias("mapgen_jungleleaves", "default:jungleleaves")
 minetest.register_alias("mapgen_junglegrass", "default:junglegrass")
-minetest.register_alias("mapgen_pinetree", "default:pinetree")
+minetest.register_alias("mapgen_pine_tree", "default:pine_tree")
 minetest.register_alias("mapgen_pine_needles", "default:pine_needles")
 
+-- Dungeons
+
 minetest.register_alias("mapgen_cobble", "default:cobble")
 minetest.register_alias("mapgen_stair_cobble", "stairs:stair_cobble")
 minetest.register_alias("mapgen_mossycobble", "default:mossycobble")
@@ -39,67 +42,98 @@ minetest.register_alias("mapgen_stair_sandstonebrick", "stairs:stair_sandstonebr
 -- Register ores
 --
 
-
+-- All mapgens except singlenode
 -- Blob ore first to avoid other ores inside blobs
 
 function default.register_ores()
+
+	-- Clay
+
 	minetest.register_ore({
-		ore_type         = "blob",
-		ore              = "default:sand",
-		wherein          = {"default:stone"},
-		clust_scarcity   = 24 * 24 * 24,
-		clust_size       = 7,
-		y_min            = -63,
-		y_max            = 4,
-		noise_threshhold = 0,
-		noise_params     = {
-			offset = 0.35,
+		ore_type        = "blob",
+		ore             = "default:clay",
+		wherein         = {"default:sand"},
+		clust_scarcity  = 16 * 16 * 16,
+		clust_size      = 5,
+		y_min           = -15,
+		y_max           = 0,
+		noise_threshold = 0.0,
+		noise_params    = {
+			offset = 0.5,
+			scale = 0.2,
+			spread = {x = 5, y = 5, z = 5},
+			seed = -316,
+			octaves = 1,
+			persist = 0.0
+		},
+	})
+
+	-- Sand
+
+	minetest.register_ore({
+		ore_type        = "blob",
+		ore             = "default:sand",
+		wherein         = {"default:stone", "default:sandstone",
+			"default:desert_stone"},
+		clust_scarcity  = 16 * 16 * 16,
+		clust_size      = 5,
+		y_min           = -31,
+		y_max           = 4,
+		noise_threshold = 0.0,
+		noise_params    = {
+			offset = 0.5,
 			scale = 0.2,
 			spread = {x = 5, y = 5, z = 5},
 			seed = 2316,
 			octaves = 1,
-			persist = 0.5
+			persist = 0.0
 		},
 	})
 
+	-- Dirt
+
 	minetest.register_ore({
-		ore_type         = "blob",
-		ore              = "default:dirt",
-		wherein          = {"default:stone"},
-		clust_scarcity   = 24 * 24 * 24,
-		clust_size       = 7,
-		y_min            = -63,
-		y_max            = 31000,
-		noise_threshhold = 0,
-		noise_params     = {
-			offset = 0.35,
+		ore_type        = "blob",
+		ore             = "default:dirt",
+		wherein         = {"default:stone", "default:sandstone"},
+		clust_scarcity  = 16 * 16 * 16,
+		clust_size      = 5,
+		y_min           = -31,
+		y_max           = 31000,
+		noise_threshold = 0.0,
+		noise_params    = {
+			offset = 0.5,
 			scale = 0.2,
 			spread = {x = 5, y = 5, z = 5},
 			seed = 17676,
 			octaves = 1,
-			persist = 0.5
+			persist = 0.0
 		},
 	})
 
+	-- Gravel
+
 	minetest.register_ore({
-		ore_type         = "blob",
-		ore              = "default:gravel",
-		wherein          = {"default:stone"},
-		clust_scarcity   = 24 * 24 * 24,
-		clust_size       = 7,
-		y_min            = -31000,
-		y_max            = 31000,
-		noise_threshhold = 0,
-		noise_params     = {
-			offset = 0.35,
+		ore_type        = "blob",
+		ore             = "default:gravel",
+		wherein         = {"default:stone"},
+		clust_scarcity  = 16 * 16 * 16,
+		clust_size      = 5,
+		y_min           = -31000,
+		y_max           = 31000,
+		noise_threshold = 0.0,
+		noise_params    = {
+			offset = 0.5,
 			scale = 0.2,
 			spread = {x = 5, y = 5, z = 5},
 			seed = 766,
 			octaves = 1,
-			persist = 0.5
+			persist = 0.0
 		},
 	})
 
+	-- Coal
+
 	minetest.register_ore({
 		ore_type       = "scatter",
 		ore            = "default:stone_with_coal",
@@ -122,6 +156,8 @@ function default.register_ores()
 		y_max          = 0,
 	})
 
+	-- Iron
+
 	minetest.register_ore({
 		ore_type       = "scatter",
 		ore            = "default:stone_with_iron",
@@ -166,6 +202,8 @@ function default.register_ores()
 		y_max          = -64,
 	})
 
+	--Mese
+
 	minetest.register_ore({
 		ore_type       = "scatter",
 		ore            = "default:stone_with_mese",
@@ -199,6 +237,8 @@ function default.register_ores()
 		y_max          = -1024,
 	})
 
+	-- Gold
+
 	minetest.register_ore({
 		ore_type       = "scatter",
 		ore            = "default:stone_with_gold",
@@ -221,6 +261,8 @@ function default.register_ores()
 		y_max          = -256,
 	})
 
+	-- Diamond
+
 	minetest.register_ore({
 		ore_type       = "scatter",
 		ore            = "default:stone_with_diamond",
@@ -243,6 +285,8 @@ function default.register_ores()
 		y_max          = -256,
 	})
 
+	-- Copper
+
 	minetest.register_ore({
 		ore_type       = "scatter",
 		ore            = "default:stone_with_copper",
@@ -271,12 +315,15 @@ end
 -- Register biomes
 --
 
+-- All mapgens except mgv6 and singlenode
 
 function default.register_biomes()
 	minetest.clear_registered_biomes()
 
+	-- Temperate
+
 	minetest.register_biome({
-		name = "default:grassland",
+		name = "stone_grassland",
 		--node_dust = "",
 		node_top = "default:dirt_with_grass",
 		depth_top = 1,
@@ -286,25 +333,101 @@ function default.register_biomes()
 		--node_water_top = "",
 		--depth_water_top = ,
 		--node_water = "",
-		y_min = 5,
+		--node_river_water = "",
+		y_min = 50,
 		y_max = 31000,
-		heat_point = 50,
-		humidity_point = 50,
+		heat_point = 40,
+		humidity_point = 35,
 	})
 
 	minetest.register_biome({
-		name = "default:grassland_ocean",
+		name = "coniferous_forest",
 		--node_dust = "",
-		node_top = "default:sand",
+		node_top = "default:dirt_with_grass",
 		depth_top = 1,
-		node_filler = "default:sand",
-		depth_filler = 2,
+		node_filler = "default:dirt",
+		depth_filler = 3,
 		--node_stone = "",
 		--node_water_top = "",
 		--depth_water_top = ,
 		--node_water = "",
+		--node_river_water = "",
+		y_min = 44,
+		y_max = 55,
+		heat_point = 40,
+		humidity_point = 65,
+	})
+
+	minetest.register_biome({
+		name = "coniferous_forest_ocean",
+		--node_dust = "",
+		node_top = "default:sand",
+		depth_top = 1,
+		node_filler = "default:sand",
+		depth_filler = 3,
+		--node_stone = "",
+		--node_water_top = "",
+		--depth_water_top = ,
+		--node_water = "",
+		--node_river_water = "",
+		y_min = -112,
+		y_max = 44,
+		heat_point = 40,
+		humidity_point = 65,
+	})
+
+	minetest.register_biome({
+		name = "deciduous_forest",
+		--node_dust = "",
+		node_top = "default:dirt_with_grass",
+		depth_top = 1,
+		node_filler = "default:dirt",
+		depth_filler = 3,
+		--node_stone = "",
+		--node_water_top = "",
+		--depth_water_top = ,
+		--node_water = "",
+		--node_river_water = "",
+		y_min = 44,
+		y_max = 55,
+		heat_point = 60,
+		humidity_point = 65,
+	})
+
+	minetest.register_biome({
+		name = "deciduous_forest_ocean",
+		--node_dust = "",
+		node_top = "default:sand",
+		depth_top = 1,
+		node_filler = "default:sand",
+		depth_filler = 3,
+		--node_stone = "",
+		--node_water_top = "",
+		--depth_water_top = ,
+		--node_water = "",
+		--node_river_water = "",
+		y_min = -112,
+		y_max = 43,
+		heat_point = 60,
+		humidity_point = 65,
+	})
+
+	-- Underground
+
+	minetest.register_biome({
+		name = "underground",
+		--node_dust = "",
+		--node_top = "",
+		--depth_top = ,
+		--node_filler = "",
+		--depth_filler = ,
+		--node_stone = "",
+		--node_water_top = "",
+		--depth_water_top = ,
+		--node_water = "",
+		--node_river_water = "",
 		y_min = -31000,
-		y_max = 4,
+		y_max = -113,
 		heat_point = 50,
 		humidity_point = 50,
 	})
@@ -312,11 +435,39 @@ end
 
 
 --
--- Register mgv6 decorations
+-- Register decorations
 --
 
+-- Mgv6
 
 function default.register_mgv6_decorations()
+	minetest.clear_registered_decorations()
+
+	-- Papyrus
+
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"default:dirt_with_grass"},
+		sidelen = 16,
+		noise_params = {
+			offset = -0.3,
+			scale = 0.7,
+			spread = {x = 100, y = 100, z = 100},
+			seed = 354,
+			octaves = 3,
+			persist = 0.7
+		},
+		y_min = 1,
+		y_max = 1,
+		decoration = "default:papyrus",
+		height = 2,
+		height_max = 4,
+		spawn_by = "default:water_source",
+		num_spawn_by = 1,
+	})
+
+	-- Cacti
+
 	minetest.register_decoration({
 		deco_type = "simple",
 		place_on = {"default:desert_sand"},
@@ -335,16 +486,485 @@ function default.register_mgv6_decorations()
 		height = 3,
 	        height_max = 4,
 	})
+
+	-- Long grasses
+
+	for length = 1, 5 do
+		minetest.register_decoration({
+			deco_type = "simple",
+			place_on = {"default:dirt_with_grass"},
+			sidelen = 16,
+			noise_params = {
+				offset = 0,
+				scale = 0.007,
+				spread = {x = 100, y = 100, z = 100},
+				seed = 329,
+				octaves = 3,
+				persist = 0.6
+			},
+			y_min = 1,
+			y_max = 30,
+			decoration = "default:grass_"..length,
+		})
+	end
+
+	-- Dry shrubs
+
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"default:desert_sand", "default:dirt_with_snow"},
+		sidelen = 16,
+		noise_params = {
+			offset = 0,
+			scale = 0.035,
+			spread = {x = 100, y = 100, z = 100},
+			seed = 329,
+			octaves = 3,
+			persist = 0.6
+		},
+		y_min = 1,
+		y_max = 30,
+		decoration = "default:dry_shrub",
+	})
+end
+
+-- All mapgens except mgv6 and singlenode
+
+local function register_grass_decoration(offset, scale, length)
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"default:dirt_with_grass", "default:sand"},
+		sidelen = 16,
+		noise_params = {
+			offset = offset,
+			scale = scale,
+			spread = {x = 200, y = 200, z = 200},
+			seed = 329,
+			octaves = 3,
+			persist = 0.6
+		},
+		biomes = {"stone_grassland", "sandstone_grassland",
+			"deciduous_forest", "coniferous_forest",
+			"stone_grassland_dunes", "sandstone_grassland_dunes",
+			"coniferous_forest_dunes"},
+		y_min = 1,
+		y_max = 31000,
+		decoration = "default:grass_"..length,
+	})
+end
+
+local MAX_TREE_H = 60
+local MAX_GRASS_H = 63
+
+local function register_dry_grass_decoration(offset, scale, length)
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"default:dirt_with_dry_grass"},
+		sidelen = 16,
+		noise_params = {
+			offset = offset,
+			scale = scale,
+			spread = {x = 200, y = 200, z = 200},
+			seed = 329,
+			octaves = 3,
+			persist = 0.6
+		},
+		biomes = {"savanna"},
+		y_min = 1,
+		y_max = MAX_GRASS_H,
+		decoration = "default:dry_grass_"..length,
+	})
+end
+
+function default.register_decorations()
+	minetest.clear_registered_decorations()
+
+	-- Apple tree and log
+
+	minetest.register_decoration({
+		deco_type = "schematic",
+		place_on = {"default:dirt_with_grass"},
+		sidelen = 16,
+		noise_params = {
+			offset = 0.04,
+			scale = 0.02,
+			spread = {x = 250, y = 250, z = 250},
+			seed = 2,
+			octaves = 3,
+			persist = 0.66
+		},
+		biomes = {"deciduous_forest"},
+		y_min = 1,
+		y_max = MAX_TREE_H,
+		schematic = minetest.get_modpath("default").."/schematics/apple_tree.mts",
+		flags = "place_center_x, place_center_z",
+	})
+
+	minetest.register_decoration({
+		deco_type = "schematic",
+		place_on = {"default:dirt_with_grass"},
+		sidelen = 16,
+		noise_params = {
+			offset = 0.002,
+			scale = 0.001,
+			spread = {x = 250, y = 250, z = 250},
+			seed = 2,
+			octaves = 3,
+			persist = 0.66
+		},
+		biomes = {"deciduous_forest"},
+		y_min = 1,
+		y_max = MAX_TREE_H,
+		schematic = {
+			size = { x = 3, y = 3, z = 1},
+			data = {
+				{ name = "air", prob = 0 },
+				{ name = "air", prob = 0 },
+				{ name = "air", prob = 0 },
+				{ name = "default:tree", param2 = 12, prob = 191 },
+				{ name = "default:tree", param2 = 12 },
+				{ name = "default:tree", param2 = 12, prob = 127 },
+				{ name = "air", prob = 0 },
+				{ name = "flowers:mushroom_brown", prob = 63 },
+				{ name = "air", prob = 0 },
+			},
+		},
+		flags = "place_center_x",
+		rotation = "random",
+	})
+
+	-- Jungle tree and log
+
+	minetest.register_decoration({
+		deco_type = "schematic",
+		place_on = {"default:dirt_with_grass", "default:dirt"},
+		sidelen = 40,
+		fill_ratio = 0.035,
+		biomes = {"rainforest", "rainforest_swamp"},
+		y_min = 0,
+		y_max = MAX_TREE_H,
+		schematic = minetest.get_modpath("default").."/schematics/jungle_tree.mts",
+		flags = "place_center_x, place_center_z",
+		rotation = "random",
+	})
+
+	-- Taiga and temperate coniferous forest pine tree and log
+
+	minetest.register_decoration({
+		deco_type = "schematic",
+		place_on = {"default:dirt_with_snow", "default:dirt_with_grass"},
+		sidelen = 16,
+		noise_params = {
+			offset = 0.04,
+			scale = 0.02,
+			spread = {x = 250, y = 250, z = 250},
+			seed = 2,
+			octaves = 3,
+			persist = 0.66
+		},
+		biomes = {"taiga", "coniferous_forest"},
+		y_min = 2,
+		y_max = MAX_TREE_H,
+		schematic = minetest.get_modpath("default").."/schematics/pine_tree.mts",
+		flags = "place_center_x, place_center_z",
+	})
+
+	minetest.register_decoration({
+		deco_type = "schematic",
+		place_on = {"default:dirt_with_snow", "default:dirt_with_grass"},
+		sidelen = 80,
+		fill_ratio = 0.003,
+		biomes = {"taiga", "coniferous_forest"},
+		y_min = 1,
+		y_max = MAX_TREE_H,
+		schematic = {
+			size = { x = 3, y = 3, z = 1},
+			data = {
+				{ name = "air", prob = 0 },
+				{ name = "air", prob = 0 },
+				{ name = "air", prob = 0 },
+				{ name = "default:pine_tree", param2 = 12, prob = 191 },
+				{ name = "default:pine_tree", param2 = 12 },
+				{ name = "default:pine_tree", param2 = 12, prob = 127 },
+				{ name = "air", prob = 0 },
+				{ name = "flowers:mushroom_red", prob = 63 },
+				{ name = "air", prob = 0 },
+			},
+		},
+		flags = "place_center_x",
+		rotation = "random",
+	})
+
+	-- Acacia tree and log
+
+	minetest.register_decoration({
+		deco_type = "schematic",
+		place_on = {"default:dirt_with_dry_grass"},
+		sidelen = 16,
+		noise_params = {
+			offset = 0,
+			scale = 0.002,
+			spread = {x = 250, y = 250, z = 250},
+			seed = 2,
+			octaves = 3,
+			persist = 0.66
+		},
+		biomes = {"savanna"},
+		y_min = 1,
+		y_max = MAX_TREE_H,
+		schematic = minetest.get_modpath("default").."/schematics/acacia_tree.mts",
+		flags = "place_center_x, place_center_z",
+		rotation = "random",
+	})
+
+	minetest.register_decoration({
+		deco_type = "schematic",
+		place_on = {"default:dirt_with_dry_grass"},
+		sidelen = 16,
+		noise_params = {
+			offset = 0,
+			scale = 0.001,
+			spread = {x = 250, y = 250, z = 250},
+			seed = 2,
+			octaves = 3,
+			persist = 0.66
+		},
+		biomes = {"savanna"},
+		y_min = 1,
+		y_max = MAX_TREE_H,
+		schematic = {
+			size = { x = 3, y = 2, z = 1},
+			data = {
+				{ name = "air", prob = 0 },
+				{ name = "air", prob = 0 },
+				{ name = "air", prob = 0 },
+				{ name = "default:acacia_tree", param2 = 12, prob = 191 },
+				{ name = "default:acacia_tree", param2 = 12 },
+				{ name = "default:acacia_tree", param2 = 12, prob = 127 },
+			},
+		},
+		flags = "place_center_x",
+		rotation = "random",
+	})
+
+	-- Aspen tree and log
+
+	minetest.register_decoration({
+		deco_type = "schematic",
+		place_on = {"default:dirt_with_grass"},
+		sidelen = 16,
+		noise_params = {
+			offset = 0.0,
+			scale = -0.03,
+			spread = {x = 250, y = 250, z = 250},
+			seed = 2,
+			octaves = 3,
+			persist = 0.66
+		},
+		biomes = {"deciduous_forest"},
+		y_min = 1,
+		y_max = MAX_TREE_H,
+		schematic = minetest.get_modpath("default").."/schematics/aspen_tree.mts",
+		flags = "place_center_x, place_center_z",
+		rotation = "random",
+	})
+
+	minetest.register_decoration({
+		deco_type = "schematic",
+		place_on = {"default:dirt_with_grass"},
+		sidelen = 16,
+		noise_params = {
+			offset = 0.0,
+			scale = -0.0015,
+			spread = {x = 250, y = 250, z = 250},
+			seed = 2,
+			octaves = 3,
+			persist = 0.66
+		},
+		biomes = {"deciduous_forest"},
+		y_min = 1,
+		y_max = MAX_TREE_H,
+		schematic = {
+			size = { x = 3, y = 3, z = 1},
+			data = {
+				{ name = "air", prob = 0 },
+				{ name = "air", prob = 0 },
+				{ name = "air", prob = 0 },
+				{ name = "default:aspen_tree", param2 = 12 },
+				{ name = "default:aspen_tree", param2 = 12 },
+				{ name = "default:aspen_tree", param2 = 12, prob = 127 },
+				{ name = "flowers:mushroom_red", prob = 63 },
+				{ name = "flowers:mushroom_brown", prob = 63 },
+				{ name = "air", prob = 0 },
+			},
+		},
+		flags = "place_center_x",
+		rotation = "random",
+	})
+	-- Large cactus
+
+	minetest.register_decoration({
+		deco_type = "schematic",
+		place_on = {"default:desert_sand"},
+		sidelen = 16,
+		noise_params = {
+			offset = -0.0003,
+			scale = 0.0009,
+			spread = {x = 200, y = 200, z = 200},
+			seed = 230,
+			octaves = 3,
+			persist = 0.6
+		},
+		biomes = {"desert"},
+		y_min = 5,
+		y_max = MAX_TREE_H,
+		schematic = minetest.get_modpath("default").."/schematics/large_cactus.mts",
+		flags = "place_center_x",
+		rotation = "random",
+	})
+
+	-- Cactus
+
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"default:desert_sand"},
+		sidelen = 16,
+		noise_params = {
+			offset = -0.0003,
+			scale = 0.0009,
+			spread = {x = 200, y = 200, z = 200},
+			seed = 230,
+			octaves = 3,
+			persist = 0.6
+		},
+		biomes = {"desert"},
+		y_min = 5,
+		y_max = MAX_TREE_H,
+		decoration = "default:cactus",
+		height = 2,
+		height_max = 5,
+	})
+
+	-- Papyrus
+
+	minetest.register_decoration({
+		deco_type = "schematic",
+		place_on = {"default:dirt"},
+		sidelen = 16,
+		noise_params = {
+			offset = -0.3,
+			scale = 0.7,
+			spread = {x = 200, y = 200, z = 200},
+			seed = 354,
+			octaves = 3,
+			persist = 0.7
+		},
+		biomes = {"savanna_swamp"},
+		y_min = 0,
+		y_max = 0,
+		schematic = minetest.get_modpath("default").."/schematics/papyrus.mts",
+	})
+
+	-- Grasses
+
+	register_grass_decoration(-0.03,  0.09,  5)
+	register_grass_decoration(-0.015, 0.075, 4)
+	register_grass_decoration(0,      0.06,  3)
+	register_grass_decoration(0.015,  0.045, 2)
+	register_grass_decoration(0.03,   0.03,  1)
+
+	-- Dry grasses
+
+	register_dry_grass_decoration(0.01, 0.05,  5)
+	register_dry_grass_decoration(0.03, 0.03,  4)
+	register_dry_grass_decoration(0.05, 0.01,  3)
+	register_dry_grass_decoration(0.07, -0.01, 2)
+	register_dry_grass_decoration(0.09, -0.03, 1)
+
+	-- Junglegrass
+
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"default:dirt_with_grass"},
+		sidelen = 80,
+		fill_ratio = 0.1,
+		biomes = {"rainforest"},
+		y_min = 1,
+		y_max = MAX_GRASS_H,
+		decoration = "default:junglegrass",
+	})
+
+	-- Dry shrub
+
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"default:desert_sand", "default:dirt_with_snow"},
+		sidelen = 16,
+		noise_params = {
+			offset = 0,
+			scale = 0.02,
+			spread = {x = 200, y = 200, z = 200},
+			seed = 329,
+			octaves = 3,
+			persist = 0.6
+		},
+		biomes = {"desert", "tundra"},
+		y_min = 2,
+		y_max = MAX_GRASS_H,
+		decoration = "default:dry_shrub",
+	})
 end
 
 
 --
--- Register decorations
+-- Generate nyan cats
 --
 
+-- All mapgens except singlenode
 
-function default.register_decorations()
+function default.make_nyancat(pos, facedir, length)
+	local tailvec = {x = 0, y = 0, z = 0}
+	if facedir == 0 then
+		tailvec.z = 1
+	elseif facedir == 1 then
+		tailvec.x = 1
+	elseif facedir == 2 then
+		tailvec.z = -1
+	elseif facedir == 3 then
+		tailvec.x = -1
+	else
+		facedir = 0
+		tailvec.z = 1
+	end
+	local p = {x = pos.x, y = pos.y, z = pos.z}
+	minetest.set_node(p, {name = "default:nyancat", param2 = facedir})
+	for i = 1, length do
+		p.x = p.x + tailvec.x
+		p.z = p.z + tailvec.z
+		minetest.set_node(p, {name = "default:nyancat_rainbow", param2 = facedir})
+	end
+end
 
+function default.generate_nyancats(minp, maxp, seed)
+	local height_min = -31000
+	local height_max = -32
+	if maxp.y < height_min or minp.y > height_max then
+		return
+	end
+	local y_min = math.max(minp.y, height_min)
+	local y_max = math.min(maxp.y, height_max)
+	local volume = (maxp.x - minp.x + 1) * (y_max - y_min + 1) * (maxp.z - minp.z + 1)
+	local pr = PseudoRandom(seed + 9324342)
+	local max_num_nyancats = math.floor(volume / (16 * 16 * 16))
+	for i = 1, max_num_nyancats do
+		if pr:next(0, 1000) == 0 then
+			local x0 = pr:next(minp.x, maxp.x)
+			local y0 = pr:next(minp.y, maxp.y)
+			local z0 = pr:next(minp.z, maxp.z)
+			local p0 = {x = x0, y = y0, z = z0}
+			default.make_nyancat(p0, pr:next(0, 3), pr:next(3, 15))
+		end
+	end
 end
 
 
@@ -352,7 +972,6 @@ end
 -- Detect mapgen to select functions
 --
 
-
 -- Mods using singlenode mapgen can call these functions to enable
 -- the use of minetest.generate_ores or minetest.generate_decorations
 
@@ -360,8 +979,10 @@ local mg_params = minetest.get_mapgen_params()
 if mg_params.mgname == "v6" then
 	default.register_ores()
 	default.register_mgv6_decorations()
+	minetest.register_on_generated(default.generate_nyancats)
 elseif mg_params.mgname ~= "singlenode" then
-	default.register_ores()
 	default.register_biomes()
+	default.register_ores()
 	default.register_decorations()
+	minetest.register_on_generated(default.generate_nyancats)
 end

mods/tsm_chests/init.lua

@@ -78,22 +78,116 @@ minetest.register_node("tsm_chests:chest", {
 
 --[[ here are some configuration variables ]]
 
-local chests_per_chunk = 5	-- number of chests per chunk. 15 is a bit high, an actual mod might have a lower number
+local chests_per_chunk = 6	-- number of chests per chunk. 15 is a bit high, an actual mod might have a lower number
 local h_min = -1  		-- minimum chest spawning height, relative to water_level
-local h_max = 15		-- maximum chest spawning height, relative to water_level
+local h_max = 64-43		-- maximum chest spawning height, relative to water_level
 local t_min = 3			-- minimum amount of treasures found in a chest
 local t_max = 6			-- maximum amount of treasures found in a chest
 
+local r_max = tonumber(minetest.setting_get("barrier"))
+local water_level = tonumber(minetest.setting_get("water_level"))
+local get_node = minetest.get_node
+local env = minetest.env
+
+local function findGroundLevel(pos, y_min, y_max)
+	local ground = nil
+	local top    = y_max
+	for y = y_max, y_min, -1 do
+		local p = {x=pos.x,y=y,z=pos.z}
+		local name = get_node(p).name
+		if name == "air" or name == "default:water_source" or name == "default:lava_source" then
+			top = y
+			break
+		end
+	end
+	for y=top,y_min,-1 do
+		local p = {x=pos.x,y=y,z=pos.z}
+					local name = get_node(p).name
+		if name ~= "air" and name ~= "default:water_source" and name ~= "default:lava_source" then
+			ground = y
+			break
+		end
+	end
+	return ground
+end
+
+local function getFacedirs(pos, ground)
+	-- secondly: rotate the chest
+	-- find possible faces
+	local xp, xm, zp, zm
+	xp = minetest.get_node({x=pos.x+1, y=ground+1, z=pos.z})
+	xm = minetest.get_node({x=pos.x-1, y=ground+1, z=pos.z})
+	zp = minetest.get_node({x=pos.x, y=ground+1, z=pos.z+1})
+	zm = minetest.get_node({x=pos.x, y=ground+1, z=pos.z-1})
+
+	-- Set Facedirs
+	local facedirs = {}
+	if xp.name=="air" or xp.name=="default:water_source" then
+		table.insert(facedirs, minetest.dir_to_facedir({x=-1,y=0,z=0}))
+	end
+	if xm.name=="air" or xm.name=="default:water_source" then
+		table.insert(facedirs, minetest.dir_to_facedir({x=1,y=0,z=0}))
+	end
+	if zp.name=="air" or zp.name=="default:water_source" then
+		table.insert(facedirs, minetest.dir_to_facedir({x=0,y=0,z=-1}))
+	end
+	if zm.name=="air" or zm.name=="default:water_source" then
+		table.insert(facedirs, minetest.dir_to_facedir({x=0,y=0,z=1}))
+	end
+	
+	return facedirs
+end
+
+local function placeChest(pos, chest_pos, ground, nn)
+	local chest = {name = "tsm_chests:chest"}
+	local facedirs = getFacedirs(pos, ground)
+
+	-- choose a random face (if possible)
+	if #facedirs == 0 then
+		minetest.set_node({x=pos.x,y=ground+1, z=pos.z+1}, {name=nn})
+		chest.param2 = minetest.dir_to_facedir({x=0,y=0,z=1})
+	else
+		chest.param2 = facedirs[math.floor(math.random(#facedirs))]
+	end
+
+	-- Lastly: place the chest
+	minetest.set_node(chest_pos, chest)
+
+	-- Get treasure
+	local treasure_amount = math.ceil(math.random(t_min, t_max))
+	local height = math.abs(h_min) - math.abs(h_max)
+	local y_norm = (ground+1) - h_min
+	local scale = 1 - (y_norm/height)
+	local minp = 0 --scale*4		-- minimal preciousness:   0..4
+	local maxp = 10 --scale*4+2.1	-- maximum preciousness: 2.1..6.1
+	local treasures = treasurer.select_random_treasures(treasure_amount, minp, maxp)
+	
+	-- Add Treasure to Chst
+	local meta = minetest.get_meta(chest_pos)
+	local inv = meta:get_inventory()
+	for i=1, #treasures do
+		inv:set_stack("main", i, treasures[i])
+	end
+end
+
 --[[ here comes the generation code
 	the interesting part which involes treasurer comes way below
 ]]
-minetest.register_on_generated(function(minp, maxp, seed)
-	-- get the water level and convert it to a number
-	local water_level = minetest.setting_get("water_level")
-	if water_level == nil or type(water_level) ~= "number" then
-		water_level = 1
-	else
-		water_level = tonumber(water_level)
+minetest.register_on_generated(function(minp, maxp, seed)	
+	minp = {x=minp.x, y=minp.y, z=minp.z}
+	maxp = {x=maxp.x, y=maxp.y, z=maxp.z}
+	
+	if minp.x <= -r_max then
+		minp.x = -r_max + 1
+	end
+	if minp.z <= -r_max then
+		minp.z = -r_max + 1
+	end
+	if minp.x >= r_max then
+		minp.x = r_max - 1
+	end
+	if minp.z >= r_max then
+		minp.z = r_max - 1
 	end
 
 	-- chests minimum and maximum spawn height
@@ -105,103 +199,34 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	end
 	local y_min = math.max(minp.y, height_min)
 	local y_max = math.min(maxp.y, height_max)
-	local get_node = minetest.get_node
-	local env = minetest.env
-	for i=1, chests_per_chunk do
-		local pos = {x=math.random(minp.x,maxp.x),z=math.random(minp.z,maxp.z), y=minp.y}
+	local attempts = 0
+	local chests_placed = 0
+	while chests_placed < chests_per_chunk and attempts < chests_per_chunk + 6 do
+		attempts = attempts + 1
+		local pos = {
+			x = math.random(minp.x, maxp.x),
+			y = minp.y,
+			z = math.random(minp.z, maxp.z)
+		}
 
 		-- Find ground level
-		local ground = nil
-		local top    = y_max
-                for y=y_max,y_min,-1 do
-			local p = {x=pos.x,y=y,z=pos.z}
-			local name = get_node(p).name
-			if name == "air" or name == "default:water_source" or name == "default:lava_source" then
-				top = y
-				break
-			end
-		end
-		for y=top,y_min,-1 do
-			local p = {x=pos.x,y=y,z=pos.z}
-                        local name = get_node(p).name
-			if name ~= "air" and name ~= "default:water_source" and name ~= "default:lava_source" then
-				ground = y
-				break
-			end
-		end
-
-		if ground~=nil then
-			local chest_pos = {x=pos.x,y=ground+1, z=pos.z}
+		local ground = findGroundLevel(pos, y_min, y_max)
+		if ground ~= nil then
+			local chest_pos = {x = pos.x, y = ground + 1, z = pos.z}
+			
+			-- Don't spawn at barrier
 			if chest_pos.z == 0 then
 				chest_pos.z = -1
 			end
+			
 			local nn = minetest.get_node(chest_pos).name	-- chest node name (before it becomes a chest)
 			if nn == "air" or nn == "default:water_source" then
-				-->>>> chest spawning starts here <<<<--
-
-				-- first: spawn the chest
-				local chest = {name = "tsm_chests:chest"}
-
-				-- secondly: rotate the chest
-				-- find possible faces
-				local xp, xm, zp, zm
-				xp = minetest.get_node({x=pos.x+1,y=ground+1, z=pos.z})
-				xm = minetest.get_node({x=pos.x-1,y=ground+1, z=pos.z})
-				zp = minetest.get_node({x=pos.x,y=ground+1, z=pos.z+1})
-				zm = minetest.get_node({x=pos.x,y=ground+1, z=pos.z-1})
-
-				local facedirs = {}
-				if(xp.name=="air" or xp.name=="default:water_source") then
-					table.insert(facedirs, minetest.dir_to_facedir({x=-1,y=0,z=0}))
-				end
-				if(xm.name=="air" or xm.name=="default:water_source") then
-
-					table.insert(facedirs, minetest.dir_to_facedir({x=1,y=0,z=0}))
-				end
-				if(zp.name=="air" or zp.name=="default:water_source") then
-					table.insert(facedirs, minetest.dir_to_facedir({x=0,y=0,z=-1}))
-				end
-				if(zm.name=="air" or zm.name=="default:water_source") then
-					table.insert(facedirs, minetest.dir_to_facedir({x=0,y=0,z=1}))
-				end
-
-				-- choose a random face (if possible)
-				if(#facedirs == 0) then
-					minetest.set_node({x=pos.x,y=ground+1, z=pos.z+1},{name=nn})
-					chest.param2 = minetest.dir_to_facedir({x=0,y=0,z=1})
-				else
-					chest.param2 = facedirs[math.floor(math.random(#facedirs))]
-				end
-
-				-- Lastly: place the chest
-				minetest.set_node(chest_pos,chest)
-				--minetest.chat_send_all("Placed chest! " .. dump(chest_pos))
-
-				--->>>>>>>>>> At this point we are finally going to involve Treasurer. <<<<<<<<<<<<<<--
-				-- determine a random amount of treasures
-				local treasure_amount = math.ceil(math.random(t_min, t_max))
-
-				-- calculate preciousness of treasures based on height. higher = more precious
-				local height = math.abs(h_min) - math.abs(h_max)
-				local y_norm = (ground+1) - h_min
-				local scale = 1 - (y_norm/height)
-				local minp = 0 --scale*4		-- minimal preciousness:   0..4
-				local maxp = 10 --scale*4+2.1	-- maximum preciousness: 2.1..6.1
-
-				-- now use these values to finally request the treasure(s)
-				local treasures = treasurer.select_random_treasures(treasure_amount,minp,maxp)
-				-- That’s it!
-
-				-- Get the inventory of the chest to place the treasures in
-				local meta = minetest.get_meta(chest_pos)
-				local inv = meta:get_inventory()
-
-				--[[ Now that we got both our treasures and the chest’s inventory,
-				let’s place the treasures one for one into it. ]]
-				for i=1,#treasures do
-					inv:set_stack("main",i,treasures[i])
-				end
+				placeChest(pos, chest_pos, ground, nn)
+				
+				chests_placed = chests_placed + 1			
 			end
 		end
 	end
+	
+	print("Spawned " .. chests_placed .. " chests after " .. attempts .. " attempts!")
 end)