Generate chorus plants in the End
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Wuzzy
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895b9e7e3a
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7a4aeb6625
3 changed files with 182 additions and 98 deletions
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@ -3,6 +3,8 @@
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local S = minetest.get_translator("mcl_end")
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mcl_end = {}
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--- Plant parts ---
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local MAX_FLOWER_AGE = 5 -- Maximum age of chorus flower before it dies
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@ -168,6 +170,138 @@ minetest.register_node("mcl_end:chorus_plant", {
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_mcl_hardness = 0.4,
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})
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-- Grow a complete chorus plant at pos
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mcl_end.grow_chorus_plant = function(pos, node)
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local flowers = { pos }
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-- Plant initial flower (if it isn't there already)
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if not node then
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node = minetest.get_node(pos)
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end
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if node.name ~= "mcl_end:chorus_flower" then
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minetest.set_node(pos, { name = "mcl_end:chorus_flower" })
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end
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while true do
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local new_flowers_list = {}
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for f=1, #flowers do
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local new_flowers = mcl_end.grow_chorus_plant_step(flowers[f], minetest.get_node(flowers[f]))
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if #new_flowers > 0 then
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table.insert(new_flowers_list, new_flowers)
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end
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end
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if #new_flowers_list == 0 then
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return
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end
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flowers = {}
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for l=1, #new_flowers_list do
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for f=1, #new_flowers_list[l] do
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table.insert(flowers, new_flowers_list[l][f])
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end
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end
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end
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end
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-- Grow a single step of a chorus plant at pos.
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-- Pos must be a chorus flower.
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mcl_end.grow_chorus_plant_step = function(pos, node)
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local new_flower_buds = {}
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local above = { x = pos.x, y = pos.y + 1, z = pos.z }
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local node_above = minetest.get_node(above)
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local around = {
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{ x=-1, y=0, z= 0 },
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{ x= 1, y=0, z= 0 },
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{ x= 0, y=0, z=-1 },
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{ x= 0, y=0, z= 1 },
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}
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local air_around = true
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for a=1, #around do
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if minetest.get_node(vector.add(above, around[a])).name ~= "air" then
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air_around = false
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break
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end
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end
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local grown = false
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if node_above.name == "air" and air_around then
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local branching = false
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local h = 0
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for y=1, 4 do
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local checkpos = {x=pos.x, y=pos.y-y, z=pos.z}
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local node = minetest.get_node(checkpos)
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if node.name == "mcl_end:chorus_plant" then
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h = y
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if not branching then
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for a=1, #around do
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local node_side = minetest.get_node(vector.add(checkpos, around[a]))
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if node_side.name == "mcl_end:chorus_plant" then
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branching = true
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end
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end
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end
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else
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break
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end
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end
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local grow_chance
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if h <= 1 then
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grow_chance = 100
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elseif h == 2 and branching == false then
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grow_chance = 60
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elseif h == 2 and branching == true then
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grow_chance = 50
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elseif h == 3 and branching == false then
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grow_chance = 40
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elseif h == 3 and branching == true then
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grow_chance = 25
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elseif h == 4 and branching == false then
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grow_chance = 20
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end
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if grow_chance then
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local new_flowers = {}
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local r = math.random(1, 100)
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local age = node.param2
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if r <= grow_chance then
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table.insert(new_flowers, above)
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else
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age = age + 1
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local branches
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if branching == false then
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branches = math.random(1, 4)
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elseif branching == true then
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branches = math.random(0, 3)
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end
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local branch_grown = false
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for b=1, branches do
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local next_branch = math.random(1, #around)
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local branch = vector.add(pos, around[next_branch])
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local below_branch = vector.add(branch, {x=0,y=-1,z=0})
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if minetest.get_node(below_branch).name == "air" then
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table.insert(new_flowers, branch)
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end
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end
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end
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for _, f in ipairs(new_flowers) do
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if age >= MAX_FLOWER_AGE then
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minetest.set_node(f, {name="mcl_end:chorus_flower_dead"})
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grown = true
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else
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minetest.set_node(f, {name="mcl_end:chorus_flower", param2 = age})
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table.insert(new_flower_buds, f)
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grown = true
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end
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end
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if #new_flowers >= 1 then
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minetest.set_node(pos, {name="mcl_end:chorus_plant"})
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grown = true
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end
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end
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end
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if not grown then
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minetest.set_node(pos, {name = "mcl_end:chorus_flower_dead"})
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end
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return new_flower_buds
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end
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--- ABM ---
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minetest.register_abm({
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@ -176,101 +310,7 @@ minetest.register_abm({
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interval = 35.0,
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chance = 4.0,
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action = function(pos, node, active_object_count, active_object_count_wider)
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local above = { x = pos.x, y = pos.y + 1, z = pos.z }
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local node_above = minetest.get_node(above)
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local around = {
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{ x=-1, y=0, z= 0 },
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{ x= 1, y=0, z= 0 },
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{ x= 0, y=0, z=-1 },
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{ x= 0, y=0, z= 1 },
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}
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local air_around = true
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for a=1, #around do
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if minetest.get_node(vector.add(above, around[a])).name ~= "air" then
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air_around = false
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break
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end
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end
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local grown = false
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if node_above.name == "air" and air_around then
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local branching = false
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local h = 0
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for y=1, 4 do
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local checkpos = {x=pos.x, y=pos.y-y, z=pos.z}
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local node = minetest.get_node(checkpos)
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if node.name == "mcl_end:chorus_plant" then
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h = y
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if not branching then
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for a=1, #around do
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local node_side = minetest.get_node(vector.add(checkpos, around[a]))
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if node_side.name == "mcl_end:chorus_plant" then
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branching = true
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end
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end
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end
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else
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break
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end
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end
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local grow_chance
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if h <= 1 then
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grow_chance = 100
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elseif h == 2 and branching == false then
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grow_chance = 60
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elseif h == 2 and branching == true then
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grow_chance = 50
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elseif h == 3 and branching == false then
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grow_chance = 40
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elseif h == 3 and branching == true then
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grow_chance = 25
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elseif h == 4 and branching == false then
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grow_chance = 20
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end
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if grow_chance then
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local new_flowers = {}
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local r = math.random(1, 100)
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local age = node.param2
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if r <= grow_chance then
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table.insert(new_flowers, above)
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else
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age = age + 1
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local branches
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if branching == false then
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branches = math.random(1, 4)
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elseif branching == true then
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branches = math.random(0, 3)
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end
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local branch_grown = false
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for b=1, branches do
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local next_branch = math.random(1, #around)
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local branch = vector.add(pos, around[next_branch])
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local below_branch = vector.add(branch, {x=0,y=-1,z=0})
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if minetest.get_node(below_branch).name == "air" then
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table.insert(new_flowers, branch)
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end
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end
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end
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for _, f in ipairs(new_flowers) do
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if age >= MAX_FLOWER_AGE then
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minetest.set_node(f, {name="mcl_end:chorus_flower_dead"})
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grown = true
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else
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minetest.set_node(f, {name="mcl_end:chorus_flower", param2 = age})
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grown = true
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end
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end
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if #new_flowers >= 1 then
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minetest.set_node(pos, {name="mcl_end:chorus_plant"})
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grown = true
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end
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end
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end
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if not grown then
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minetest.set_node(pos, {name = "mcl_end:chorus_flower_dead"})
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end
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mcl_end.grow_chorus_plant_step(pos, node)
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end,
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})
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