292 lines
6.8 KiB
Lua
292 lines
6.8 KiB
Lua
local H_LAG = caverealms.config.h_lag --15 --max height for stalagmites
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local H_LAC = caverealms.config.h_lac --20 --...stalactites
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local H_CRY = caverealms.config.h_cry --9 --max height of glow crystals
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local H_CLAC = caverealms.config.h_clac --13 --max height of glow crystal stalactites
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function caverealms:above_solid(x,y,z,area,data)
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local c_air = minetest.get_content_id("air")
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local ai = area:index(x,y+1,z-3)
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if data[ai] == c_air then
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return false
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else
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return true
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end
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end
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function caverealms:below_solid(x,y,z,area,data)
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local c_air = minetest.get_content_id("air")
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local ai = area:index(x,y-1,z-3)
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if data[ai] == c_air then
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return false
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else
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return true
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end
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end
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--stalagmite spawner
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function caverealms:stalagmite(x,y,z, area, data)
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if not caverealms:below_solid(x,y,z,area,data) then
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return
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end
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--contest ids
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local c_stone = minetest.get_content_id("default:stone")
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local top = math.random(6,H_LAG) --grab a random height for the stalagmite
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for j = 0, top do --y
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for k = -3, 3 do
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for l = -3, 3 do
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if j == 0 then
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if k*k + l*l <= 9 then
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local vi = area:index(x+k, y+j, z+l-3)
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data[vi] = c_stone
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end
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elseif j <= top/5 then
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if k*k + l*l <= 4 then
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local vi = area:index(x+k, y+j, z+l-3)
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data[vi] = c_stone
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end
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elseif j <= top/5 * 3 then
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if k*k + l*l <= 1 then
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local vi = area:index(x+k, y+j, z+l-3)
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data[vi] = c_stone
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end
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else
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local vi = area:index(x, y+j, z-3)
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data[vi] = c_stone
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end
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end
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end
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end
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end
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--stalactite spawner
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function caverealms:stalactite(x,y,z, area, data)
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if not caverealms:above_solid(x,y,z,area,data) then
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return
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end
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--contest ids
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local c_stone = minetest.get_content_id("default:stone")--("caverealms:limestone")
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local bot = math.random(-H_LAC, -6) --grab a random height for the stalagmite
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for j = bot, 0 do --y
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for k = -3, 3 do
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for l = -3, 3 do
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if j >= -1 then
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if k*k + l*l <= 9 then
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local vi = area:index(x+k, y+j, z+l-3)
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data[vi] = c_stone
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end
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elseif j >= bot/5 then
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if k*k + l*l <= 4 then
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local vi = area:index(x+k, y+j, z+l-3)
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data[vi] = c_stone
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end
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elseif j >= bot/5 * 3 then
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if k*k + l*l <= 1 then
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local vi = area:index(x+k, y+j, z+l-3)
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data[vi] = c_stone
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end
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else
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local vi = area:index(x, y+j, z-3)
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data[vi] = c_stone
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end
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end
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end
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end
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end
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--glowing crystal stalagmite spawner
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function caverealms:crystal_stalagmite(x,y,z, area, data, ore, crystal, base)
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if not caverealms:below_solid(x,y,z,area,data) then
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return
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end
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--contest ids
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local c_stone = minetest.get_content_id("default:stone")
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local nid_a = ore -- ore
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local nid_b = crystal -- crystal
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local nid_s = base or c_stone --base --stone base, will be rewritten to ice in certain biomes
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local top = math.random(5,H_CRY) --grab a random height for the stalagmite
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for j = 0, top do --y
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for k = -3, 3 do
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for l = -3, 3 do
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if j == 0 then
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if k*k + l*l <= 9 then
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local vi = area:index(x+k, y+j, z+l-3)
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data[vi] = nid_s
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end
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elseif j <= top/5 then
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if k*k + l*l <= 4 then
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local vi = area:index(x+k, y+j, z+l-3)
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data[vi] = nid_a
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end
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elseif j <= top/5 * 3 then
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if k*k + l*l <= 1 then
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local vi = area:index(x+k, y+j, z+l-3)
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data[vi] = nid_b
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end
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else
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local vi = area:index(x, y+j, z-3)
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data[vi] = nid_b
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end
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end
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end
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end
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end
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--crystal stalactite spawner
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function caverealms:crystal_stalactite(x,y,z, area, data, ore, cry, base)
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if not caverealms:above_solid(x,y,z,area,data) then
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return
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end
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--contest ids
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local c_stone = minetest.get_content_id("default:stone")
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local nid_a = ore
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local nid_b = cry
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local nid_s = base or c_stone --stone base, will be rewritten to ice in certain biomes
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local bot = math.random(-H_CLAC, -6) --grab a random height for the stalagmite
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for j = bot, 0 do --y
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for k = -3, 3 do
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for l = -3, 3 do
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if j >= -1 then
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if k*k + l*l <= 9 then
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local vi = area:index(x+k, y+j, z+l-3)
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data[vi] = nid_s
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end
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elseif j >= bot/5 then
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if k*k + l*l <= 4 then
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local vi = area:index(x+k, y+j, z+l-3)
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data[vi] = nid_a
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end
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elseif j >= bot/5 * 3 then
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if k*k + l*l <= 1 then
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local vi = area:index(x+k, y+j, z+l-3)
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data[vi] = nid_b
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end
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else
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local vi = area:index(x, y+j, z-3)
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data[vi] = nid_b
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end
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end
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end
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end
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end
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--glowing crystal stalagmite spawner
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function caverealms:salt_stalagmite(x,y,z, area, data)
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if not caverealms:below_solid(x,y,z,area,data) then
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return
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end
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--contest ids
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-- local c_stone = minetest.get_content_id("default:stone")
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local c_salt = minetest.get_content_id("caverealms:salt_crystal")
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local c_salt_stone = minetest.get_content_id("caverealms:stone_with_salt")
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local scale = math.random(2, 4)
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if scale == 2 then
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for j = -3, 3 do
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for k = -3, 3 do
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local vi = area:index(x+j, y, z+k)
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data[vi] = c_salt_stone
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if math.abs(j) ~= 3 and math.abs(k) ~= 3 then
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local vi = area:index(x+j, y+1, z+k)
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data[vi] = c_salt_stone
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end
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end
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end
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else
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for j = -4, 4 do
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for k = -4, 4 do
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local vi = area:index(x+j, y, z+k)
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data[vi] = c_salt_stone
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if math.abs(j) ~= 4 and math.abs(k) ~= 4 then
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local vi = area:index(x+j, y+1, z+k)
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data[vi] = c_salt_stone
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end
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end
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end
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end
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for j = 2, scale + 2 do --y
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for k = -2, scale - 2 do
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for l = -2, scale - 2 do
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local vi = area:index(x+k, y+j, z+l)
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data[vi] = c_salt -- make cube
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end
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end
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end
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end
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--function to create giant 'shrooms
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function caverealms:giant_shroom(x, y, z, area, data)
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if not caverealms:below_solid(x,y,z,area,data) then
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return
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end
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local c_cap
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local c_stem
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--as usual, grab the content ID's
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if minetest.get_modpath("ethereal") then
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c_stem = minetest.get_content_id("ethereal:mushroom_trunk")
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c_cap = minetest.get_content_id("ethereal:mushroom")
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else
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c_stem = minetest.get_content_id("caverealms:mushroom_stem")
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c_cap = minetest.get_content_id("caverealms:mushroom_cap")
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end
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local c_gills = minetest.get_content_id("caverealms:mushroom_gills")
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z = z - 5
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--cap
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for k = -5, 5 do
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for l = -5, 5 do
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if k*k + l*l <= 25 then
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local vi = area:index(x+k, y+5, z+l)
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data[vi] = c_cap
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end
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if k*k + l*l <= 16 then
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local vi = area:index(x+k, y+6, z+l)
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data[vi] = c_cap
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vi = area:index(x+k, y+5, z+l)
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data[vi] = c_gills
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end
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if k*k + l*l <= 9 then
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local vi = area:index(x+k, y+7, z+l)
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data[vi] = c_cap
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end
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if k*k + l*l <= 4 then
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local vi = area:index(x+k, y+8, z+l)
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data[vi] = c_cap
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end
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end
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end
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--stem
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for j = 0, 5 do
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for k = -1,1 do
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local vi = area:index(x+k, y+j, z)
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data[vi] = c_stem
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if k == 0 then
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local ai = area:index(x, y+j, z+1)
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data[ai] = c_stem
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ai = area:index(x, y+j, z-1)
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data[ai] = c_stem
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end
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end
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end
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end
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