386 lines
9.5 KiB
Lua
386 lines
9.5 KiB
Lua
--CaveRealms functions.lua
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--FUNCTIONS--
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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, biome)
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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_crystal = minetest.get_content_id("caverealms:glow_crystal")
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local c_crystore = minetest.get_content_id("caverealms:glow_ore")
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local c_emerald = minetest.get_content_id("caverealms:glow_emerald")
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local c_emore = minetest.get_content_id("caverealms:glow_emerald_ore")
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local c_mesecry = minetest.get_content_id("caverealms:glow_mese")
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local c_meseore = minetest.get_content_id("default:stone_with_mese")
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local c_ruby = minetest.get_content_id("caverealms:glow_ruby")
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local c_rubore = minetest.get_content_id("caverealms:glow_ruby_ore")
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local c_ice = minetest.get_content_id("default:ice")
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local c_thinice = minetest.get_content_id("caverealms:thin_ice")
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--for randomness
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local mode = 1
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if math.random(15) == 1 then
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mode = 2
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end
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if biome == 3 then
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if math.random(25) == 1 then
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mode = 2
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else
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mode = 1
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end
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end
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if biome == 4 or biome == 5 then
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if math.random(3) == 1 then
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mode = 2
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end
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end
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local stalids = {
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{ {c_crystore, c_crystal}, {c_emore, c_emerald} },
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{ {c_emore, c_emerald}, {c_crystore, c_crystal} },
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{ {c_emore, c_emerald}, {c_meseore, c_mesecry} },
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{ {c_ice, c_thinice}, {c_crystore, c_crystal}},
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{ {c_ice, c_thinice}, {c_crystore, c_crystal}},
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{ {c_rubore, c_ruby}, {c_meseore, c_mesecry}},
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}
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local nid_a
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local nid_b
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local nid_s = c_stone --stone base, will be rewritten to ice in certain biomes
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if biome > 3 and biome < 6 then
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if mode == 1 then
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nid_a = c_ice
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nid_b = c_thinice
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nid_s = c_ice
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else
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nid_a = c_crystore
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nid_b = c_crystal
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end
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elseif mode == 1 then
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nid_a = stalids[biome][1][1]
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nid_b = stalids[biome][1][2]
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else
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nid_a = stalids[biome][2][1]
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nid_b = stalids[biome][2][2]
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end
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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, biome)
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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 c_crystore = minetest.get_content_id("caverealms:glow_ore")
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local c_crystal = minetest.get_content_id("caverealms:glow_crystal")
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local c_emerald = minetest.get_content_id("caverealms:glow_emerald")
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local c_emore = minetest.get_content_id("caverealms:glow_emerald_ore")
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local c_mesecry = minetest.get_content_id("caverealms:glow_mese")
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local c_meseore = minetest.get_content_id("default:stone_with_mese")
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local c_ruby = minetest.get_content_id("caverealms:glow_ruby")
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local c_rubore = minetest.get_content_id("caverealms:glow_ruby_ore")
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local c_ice = minetest.get_content_id("default:ice")
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local c_thinice = minetest.get_content_id("caverealms:hanging_thin_ice")
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--for randomness
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local mode = 1
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if math.random(15) == 1 then
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mode = 2
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end
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if biome == 3 then
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if math.random(25) == 1 then
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mode = 2
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else
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mode = 1
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end
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end
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if biome == 4 or biome == 5 then
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if math.random(3) == 1 then
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mode = 2
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end
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end
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local stalids = {
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{ {c_crystore, c_crystal}, {c_emore, c_emerald} },
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{ {c_emore, c_emerald}, {c_crystore, c_crystal} },
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{ {c_emore, c_emerald}, {c_meseore, c_mesecry} },
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{ {c_ice, c_thinice}, {c_crystore, c_crystal}},
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{ {c_ice, c_thinice}, {c_crystore, c_crystal}},
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{ {c_rubore, c_ruby}, {c_meseore, c_mesecry}},
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}
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local nid_a
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local nid_b
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local nid_s = c_stone --stone base, will be rewritten to ice in certain biomes
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if biome > 3 and biome < 6 then
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if mode == 1 then
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nid_a = c_ice
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nid_b = c_thinice
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nid_s = c_ice
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else
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nid_a = c_crystore
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nid_b = c_crystal
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end
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elseif mode == 1 then
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nid_a = stalids[biome][1][1]
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nid_b = stalids[biome][1][2]
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else
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nid_a = stalids[biome][2][1]
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nid_b = stalids[biome][2][2]
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end
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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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--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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--as usual, grab the content ID's
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local c_stem = minetest.get_content_id("caverealms:mushroom_stem")
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local c_cap = minetest.get_content_id("caverealms:mushroom_cap")
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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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function caverealms:legacy_giant_shroom(x, y, z, area, data) --leftovers :P
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--as usual, grab the content ID's
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local c_stem = minetest.get_content_id("caverealms:mushroom_stem")
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local c_cap = minetest.get_content_id("caverealms:mushroom_cap")
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z = z - 4
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--cap
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for k = -4, 4 do
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for l = -4, 4 do
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if k*k + l*l <= 16 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 <= 9 then
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local vi = area:index(x+k, y+4, z+l)
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data[vi] = c_cap
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vi = area:index(x+k, y+6, 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+7, 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, 4 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 |