Rework vine gen code and gen vines in swampland
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Wuzzy
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@ -1104,18 +1104,52 @@ end)
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-- Buffer for LuaVoxelManip
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local lvm_buffer = {}
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-- Generate cocoas and vines at jungle trees within the bounding box
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local function generate_jungle_tree_decorations(minp, maxp)
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-- Generate tree decorations in the bounding box. This adds:
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-- * Cocoa at jungle trees
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-- * Jungle tree vines
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-- * Oak vines in swamplands
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local function generate_tree_decorations(minp, maxp, biomemap)
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if maxp.y < 0 then
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return
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end
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local pos, treepos, dir
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local jungletree = minetest.find_nodes_in_area(minp, maxp, "mcl_core:jungletree")
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local jungleleaves = minetest.find_nodes_in_area(minp, maxp, "mcl_core:jungleleaves")
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local oaktree, oakleaves, jungletree, jungleleaves = {}, {}, {}, {}
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local swampland = minetest.get_biome_id("swampland")
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local swampland_shore = minetest.get_biome_id("swampland_shore")
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local jungle = minetest.get_biome_id("jungle")
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local jungle_shore = minetest.get_biome_id("jungle_shore")
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-- Pass 1: Generate cocoas
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if biomemap then
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-- Biome map available: Check if the required biome (jungle or swampland)
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-- is in this mapchunk. We are only interested in trees in the correct biome.
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-- The nodes are added if the correct biome is *anywhere* in the mapchunk.
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-- TODO: Strictly generate vines in the correct biomes only.
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local swamp_biome_found, jungle_biome_found = false, false
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for b=1, #biomemap do
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local id = biomemap[b]
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if not swamp_biome_found and (id == swampland or id == swampland_shore) then
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oaktree = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:tree"})
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oakleaves = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:leaves"})
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swamp_biome_found = true
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elseif not jungle_biome_found and (id == jungle or id == jungle_shore) then
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jungletree = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:jungletree"})
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jungleleaves = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:jungleleaves"})
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jungle_biome_found = true
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end
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if swamp_biome_found and jungle_biome_found then
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break
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end
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end
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else
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-- If there is no biome map, we just count all jungle things we can find.
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-- Oak vines will not be generated.
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jungletree = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:jungletree"})
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jungleleaves = minetest.find_nodes_in_area(minp, maxp, {"mcl_core:jungleleaves"})
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end
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local pos, treepos, dir
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-- Pass 1: Generate cocoas at jungle trees
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for n = 1, #jungletree do
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pos = jungletree[n]
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@ -1149,19 +1183,26 @@ local function generate_jungle_tree_decorations(minp, maxp)
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end
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end
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-- Pass 2: Generate vines at jungle wood and jungle leaves
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-- Pass 2: Generate vines at jungle wood, jungle leaves in jungle and oak wood, oak leaves in swampland
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perlin_vines = perlin_vines or minetest.get_perlin(555, 4, 0.6, 500)
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perlin_vines_fine = perlin_vines_fine or minetest.get_perlin(43000, 3, 0.6, 1)
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perlin_vines_length = perlin_vines_length or minetest.get_perlin(435, 4, 0.6, 75)
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perlin_vines_upwards = perlin_vines_upwards or minetest.get_perlin(436, 3, 0.6, 10)
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perlin_vines_density = perlin_vines_density or minetest.get_perlin(436, 3, 0.6, 500)
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local junglething
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for i=1, 2 do
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if i==1 then junglething = jungletree
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else junglething = jungleleaves end
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local treething
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for i=1, 4 do
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if i==1 then
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treething = jungletree
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elseif i == 2 then
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treething = jungleleaves
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elseif i == 3 then
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treething = oaktree
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elseif i == 4 then
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treething = oakleaves
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end
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for n = 1, #junglething do
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pos = junglething[n]
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for n = 1, #treething do
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pos = treething[n]
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treepos = table.copy(pos)
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@ -1177,7 +1218,7 @@ local function generate_jungle_tree_decorations(minp, maxp)
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local nn = minetest.get_node(pos).name
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if perlin_vines:get2d(pos) > -0.1 and perlin_vines_fine:get3d(pos) > math.max(0.3333, perlin_vines_density:get2d(pos)) and nn == "air" then
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if perlin_vines:get2d(pos) > -1.0 and perlin_vines_fine:get3d(pos) > math.max(0.33333, perlin_vines_density:get2d(pos)) and nn == "air" then
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local newnode = {
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name = "mcl_core:vine",
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@ -1198,7 +1239,7 @@ local function generate_jungle_tree_decorations(minp, maxp)
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for l=0, length-1 do
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local tnn = minetest.get_node(treepos).name
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local nn = minetest.get_node(pos).name
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if (nn == "air" or nn == "mcl_core:jungleleaves") and mcl_core.supports_vines(tnn) then
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if (nn == "air" or nn == "mcl_core:jungleleaves" or nn == "mcl_core:leaves") and mcl_core.supports_vines(tnn) then
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minetest.set_node(pos, newnode)
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else
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break
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@ -1555,9 +1596,11 @@ minetest.register_on_generated(function(minp, maxp)
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vm:write_to_map()
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end
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local biomemap = minetest.get_mapgen_object("biomemap")
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-- Generate special decorations
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generate_underground_mushrooms(minp, maxp)
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generate_jungle_tree_decorations(minp, maxp)
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generate_tree_decorations(minp, maxp, biomemap)
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generate_nether_decorations(minp, maxp)
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end)
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