mirror of
git://repo.or.cz/rocks.git
synced 2024-09-27 14:50:41 +02:00
62 lines
1.6 KiB
Lua
62 lines
1.6 KiB
Lua
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local np_elv = {
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offset = -4, octaves = 2, persist = 0.4,
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scale = 28,
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spread = {x=25, y=25, z=25},
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seed = -546,
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}
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local np_fault = {
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offset = -5, octaves = 2, persist = 0.4,
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scale = 10,
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spread = {x=25, y=25, z=25},
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seed = 632,
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}
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rocksl.genlayers = function (minp, maxp, seed, vm, area)
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local t1 = os.clock()
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local data = vm:get_data()
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local chunksize = maxp.x - minp.x + 1
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local pmapsize = {x = chunksize, y = chunksize, z = chunksize}
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local minpxz = {x = minp.x, y = minp.z}
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local c_stone= minetest.get_content_id("default:stone")
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local c_sample=minetest.get_content_id("rocks:samplelayerblock")
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local c_air=minetest.get_content_id("air")
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n_elv= minetest.get_perlin_map(np_elv, pmapsize) : get2dMap_flat(minpxz)
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n_fault= minetest.get_perlin_map(np_fault, pmapsize) : get2dMap_flat(minpxz)
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local nixz=1
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for z=minp.z, maxp.z do for x=minp.x, maxp.x do
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local fault=n_fault[nixz]
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local lmh=-10
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if fault>0 then lmh=lmh+10 end
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local lt=math.floor(n_elv[nixz])
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if lt>0 then
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if lt>18 then lt=18 end
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local top=math.min(lmh,maxp.y)
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local bot=math.max(1+lmh-lt,minp.y)
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for y=bot, top do
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local di=area:index(x,y,z)
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data[di]=c_sample
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end
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end
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nixz=nixz+1
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if z%100>50 then
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for y=minp.y, maxp.y do data[area:index(x,y,z)]=c_air end
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end
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end end
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vm:set_data(data)
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vm:set_lighting({day=15,night=15})
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minetest.log("action", "rocks/genlayers/ "..math.ceil((os.clock() - t1) * 1000).." ms ")
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end
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minetest.register_node( "rocks:samplelayerblock", {
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description = S("Sample"),
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tiles = { "rocks_Slate.png" },
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is_ground_content = true, sounds = default.node_sound_stone_defaults(),
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groups = {cracky=3},
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})
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