b7f6d3c7cb
Reinstate sponges spawning as mature colonies, and match mapgen colonies to expected end-state of natural regrowth. This should make it harder to distinguish an "old growth" area where players have been hanging around a long time from pristine sponges.
59 lines
1.9 KiB
Lua
59 lines
1.9 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
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local math, minetest, nodecore
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= math, minetest, nodecore
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local math_floor, math_random
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= math.floor, math.random
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-- LUALOCALS > ---------------------------------------------------------
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local modname = minetest.get_current_modname()
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local maxy = -8
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local miny = maxy - 8
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local c_sand = minetest.get_content_id("nc_terrain:sand")
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local c_water = minetest.get_content_id("nc_terrain:water_source")
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local c_sponge = minetest.get_content_id(modname .. ":sponge_living")
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local function spawn(area, data, x, y, z)
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local total = 0
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nodecore.scan_flood({x = x, y = y, z = z}, 5, function(p)
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if math_random() < 0.01 then return true end
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if p.y > y and math_random() > 0.1 then return false end
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local idx = area:index(p.x, p.y - 1, p.z)
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if data[idx] ~= c_sponge and data[idx] ~= c_sand then return false end
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idx = area:index(p.x, p.y, p.z)
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if data[idx] ~= c_water then return false end
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data[idx] = c_sponge
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total = total + 1
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if total >= 20 then return true end
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end)
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end
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nodecore.register_mapgen_shared(function(minp, maxp, area, data)
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if minp.y > maxy or maxp.y < miny then return end
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local qty = math_floor(math_random() * (maxp.x - minp.x)
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* (maxp.z - minp.z) / (64 * 64))
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for _ = 1, qty do
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local x = math_floor(math_random() * (maxp.x - minp.x)) + minp.x
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local z = math_floor(math_random() * (maxp.z - minp.z)) + minp.z
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local starty = maxp.y
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if starty > (maxy + 1) then starty = (maxy + 1) end
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local endy = minp.y
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if endy < miny then endy = miny end
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local waterabove = nil
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for y = starty, endy, -1 do
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local idx = area:index(x, y, z)
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local cur = data[idx]
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if cur == c_water then
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waterabove = true
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elseif cur == c_sand and waterabove then
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spawn(area, data, x, y + 1, z)
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break
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else
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break
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end
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end
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end
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end)
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