mirror of git://repo.or.cz/rocks.git
182 lines
6.4 KiB
Lua
182 lines
6.4 KiB
Lua
--
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-- Sedimentary Layer
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--
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-- Mudstone Sed soft Ocean, beach, river, glaciers
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minetest.register_node( "rocks:mudstone", {
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description = S("Mudstone"),
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tiles = { "rocks_Mudstone.png" },
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groups = {cracky=1, crumbly=3},
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is_ground_content = true, sounds = default.node_sound_dirt_defaults(),
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})
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-- more rock defs
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minetest.register_node( "rocks:limestone", {
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description = S("Limestone"),
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tiles = { "rocks_Limestone.png" },
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is_ground_content = true, sounds = default.node_sound_stone_defaults(),
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groups = {cracky=2},
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})
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minetest.register_node( "rocks:laterite", {
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description = S("Laterite clay"),
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tiles = { "rocks_laterite.png" },
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is_ground_content = true, sounds = default.node_sound_dirt_defaults(),
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groups = {crumbly=3},
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})
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local beach_max=4
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local lowland_max=27
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local highland_max=200
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local beach_min=-7
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local lowland_min=5
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local highland_min=28
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do
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-- Modify default grassland biome
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local grassland=minetest.registered_biomes["default:grassland"] or
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{ -- default biome, if no biome mod is installed
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name = "rocks:grassland",
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node_top = "air",
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depth_top = 1,
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y_min = lowland_min,
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y_max = lowland_max,
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heat_point = 50,
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humidity_point = 50,
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}
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local mountains={ -- default mountain biome
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name = "rocks:mountain",
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node_top = "default:dirt_with_grass",
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depth_top = 1,
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node_filler = "default:dirt",
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depth_filler = 2,
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node_stone = nil,
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y_min = highland_min,
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y_max = highland_max,
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heat_point = 50,
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humidity_point = 50,
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}
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-- The biome layers are: dust, top, filler, stone
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-- On beach: dust, shore_top, shore_filler, underwater
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-- coastside: dust, top, filler, shore_filler, underwater, stone
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if #minetest.registered_biomes > 1 then
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minetest.log("error","Biomes registered before [rocks] discarded, please depend the mod on 'rocks' to fix this.")
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-- can't just re-register them here, cause clear_biomes also clears decorations
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end
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minetest.clear_registered_biomes()
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-- hook to inject our sedimentary stone to new biomes
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local old_register_biome=minetest.register_biome
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minetest.register_biome=function(def)
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--print("[rocks] register_biome .name="..def.name)
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for n,v in pairs(def) do
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--if type(v)~="table" then print(" "..n.."="..v) end
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end
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local cor=false -- was the biomeheight patched?
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local tl=3 -- tolerance in determining biome type based on y_min/max values
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local btype -- biome type (:string)
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if (def.y_max>3000) and (def.y_min<=highland_min) then
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-- correct upper boundary of registered bimes
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if (def.y_min<10) and (def.y_min>0) then def.y_max=lowland_max cor=true end
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if (def.y_min<30) and (def.y_min>10) then def.y_max=highland_max cor=true end
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minetest.log("action","/rocks correcting upper bound on biome "..def.name.." to "..def.y_max)
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end
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-- actual detection code
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if def.node_stone=="default:desert_stone" then btype="desert"
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elseif (def.y_min>beach_min-tl) and (def.y_max<beach_max+tl) then btype="beach"
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elseif (def.y_min>0) and (def.y_max<lowland_max+tl) then btype="lowland"
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elseif (def.y_min>highland_min-tl) and (def.y_max<highland_max+tl) then btype="highland"
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elseif (def.y_min<-3000) and (def.y_max<lowland_min+tl) then btype="ocean"
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else minetest.log("error", "/rocks could not guess elevation type for biome "..def.name) end
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rocksl.print("register_biome .name="..def.name.." -> btype="..btype)
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-- patch the new biomes with our rocks
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if btype=="lowland" then
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def.node_filler="rocks:mudstone"
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def.depth_filler=11
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def.node_stone="rocks:granite"
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elseif btype=="highland" then
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def.node_filler="rocks:limestone"
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def.node_stone="rocks:limestone"
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def.depth_filler=15
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elseif btype=="beach" then
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def.node_stone="rocks:granite"
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def.y_min=beach_min
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if def.heat_point<50 then
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def.node_top="default:gravel"
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def.node_filler="default:gravel"
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def.depth_filler=2
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elseif def.humidity_point>70 then
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def.node_filler="rocks:laterite"
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def.depth_top=0
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elseif def.node_top=="default:sand" then
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if def.depth_top<2 then def.depth_top=3 end
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def.node_filler="default:sandstone"
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def.depth_filler=5
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end
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elseif btype=="ocean" then
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def.node_stone="rocks:basalt"
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end
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do -- deactivate the added and removed shore-thing of MGv7
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-- to fix weirid sand layers underground
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def.node_shore_top=def.node_top
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def.node_shore_filler=def.node_filler
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def.node_underwater=def.node_top
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end
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-- and call the saved method to actually do the registration
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old_register_biome(def)
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end
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--now register the default grassland
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minetest.register_biome(grassland)
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-- create a default mountain biome...
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minetest.register_biome(mountains)
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-- hook the clear callback (fix biomesdev)
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local old_clear=minetest.clear_registered_biomes
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minetest.clear_registered_biomes=function()
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old_clear()
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minetest.log("action","/rocks re-registering default mountain biome!")
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minetest.register_biome(mountains)
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end
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end
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-- more biomes
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-- todo: mountains, alps, volcanos
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local reg=function(name,param)
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minetest.register_ore({
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ore=name,
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wherein= {
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"rocks:mudstone",
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},
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ore_type = "scatter",
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clust_scarcity = 8^3,
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clust_size = 10,
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clust_num_ores = 10^3,
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y_min = -20,
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y_max = 40,
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noise_threshhold = param.treshold,
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noise_params = {
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offset=0, scale=1, octaves=1, persist=0.3,
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spread={x=param.spread, y=param.height, z=param.spread},
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seed=rocksl.GetNextSeed(),
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},
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})
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end
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-- this does register a new sedimentary vein.
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rocks.register_sedimentary=reg
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-- follows the only thing remaining from old ver :)
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-- Sedimentary rock hardness and distribution
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-- Rock Hard Distribution
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--Breccia Weak Localized continental, folded
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-->Claystone Weak Localized continental, folded, oceanic
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--Conglomerate Weak Localized continental, folded
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-->Limestone Medium Localized continental, folded; primary oceanic, hills
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-->Coal - Large beds, twice as common in swamps
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--reg("rocks:limestone", { spread=64, height=32, treshold=0.35 })
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--reg("rocks:breccia", { spread=64, height=32, treshold=0.6 })
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--reg("rocks:conglomerate", { spread=64, height=32, treshold=0.6 })
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reg("default:stone_with_coal", { spread=64, height=14, treshold=0.58 })
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reg("default:clay",{ spread=48, height=14, treshold=0.55 })
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-- ~ Tomas Brod |