Add inital dripstone design

init.lua

@@ -0,0 +1,616 @@
+noordstar_dripstone = {
+    water_nodes =
+        { "default:river_water_source"
+        , "default:water_source"
+        , "mcl_core:water_source"
+        , "mclx_core:river_water_source"
+        }
+    , lava_nodes =
+        { "default:lava_source"
+        , "mcl_core:lava_source"
+        }
+}
+
+local modpath = minetest.get_modpath(minetest.get_current_modname())
+
+local function load(module_name)
+    return dofile(modpath .. "/lua/" .. module_name .. ".lua")
+end
+local function schem(module_name)
+    return dofile(modpath .. "/schematics/" .. module_name .. ".lua")
+end
+
+-- Create a node box for any given dripstone size.
+-- Size 8 is a normal block size
+local function nodebox_of_size(size)
+    return {
+        type = "fixed",
+        fixed = {
+            { - size / 16, -0.5, - size / 16, size / 16, 0.5, size / 16 },
+        },
+    }
+end
+
+-- Constants
+local speed_factor = 180
+local seconds_per_growth = 10 * speed_factor
+local seconds_per_trickle = 1 * speed_factor
+local samples_per_interval = 100
+
+-- Namespaced node names
+local dry_dripstone_block = "noordstar_dripstone:dripstone_block"
+local dry_dripstone_huge = "noordstar_dripstone:huge_dripstone"
+local dry_dripstone_large = "noordstar_dripstone:large_dripstone"
+local dry_dripstone_great = "noordstar_dripstone:great_dripstone"
+local dry_dripstone_medium = "noordstar_dripstone:medium_dripstone"
+local dry_dripstone_small = "noordstar_dripstone:small_dripstone"
+local dry_dripstone_tiny = "noordstar_dripstone:tiny_dripstone"
+local dry_dripstone_spike = "noordstar_dripstone:dripstone_spike"
+local hardened_dripstone_block = "noordstar_dripstone:hardened_dripstone_block"
+local hardened_dripstone_huge = "noordstar_dripstone:huge_hardened_dripstone"
+local hardened_dripstone_large = "noordstar_dripstone:large_hardened_dripstone"
+local hardened_dripstone_great = "noordstar_dripstone:great_hardened_dripstone"
+local hardened_dripstone_medium = "noordstar_dripstone:medium_hardened_dripstone"
+local hardened_dripstone_small = "noordstar_dripstone:small_hardened_dripstone"
+local hardened_dripstone_tiny = "noordstar_dripstone:tiny_hardened_dripstone"
+local hardened_dripstone_spike = "noordstar_dripstone:hardened_dripstone_spike"
+local molten_dripstone_block = "noordstar_dripstone:molten_dripstone_block"
+local molten_dripstone_huge = "noordstar_dripstone:huge_molten_dripstone"
+local molten_dripstone_large = "noordstar_dripstone:large_molten_dripstone"
+local molten_dripstone_great = "noordstar_dripstone:great_molten_dripstone"
+local molten_dripstone_medium = "noordstar_dripstone:medium_molten_dripstone"
+local molten_dripstone_small = "noordstar_dripstone:small_molten_dripstone"
+local molten_dripstone_tiny = "noordstar_dripstone:tiny_molten_dripstone"
+local molten_dripstone_spike = "noordstar_dripstone:molten_dripstone_spike"
+local watered_dripstone_block = "noordstar_dripstone:watered_dripstone_block"
+local watered_dripstone_huge = "noordstar_dripstone:huge_watered_dripstone"
+local watered_dripstone_large = "noordstar_dripstone:large_watered_dripstone"
+local watered_dripstone_great = "noordstar_dripstone:great_watered_dripstone"
+local watered_dripstone_medium = "noordstar_dripstone:medium_watered_dripstone"
+local watered_dripstone_small = "noordstar_dripstone:small_watered_dripstone"
+local watered_dripstone_tiny = "noordstar_dripstone:tiny_watered_dripstone"
+local watered_dripstone_spike = "noordstar_dripstone:watered_dripstone_spike"
+
+-- Trickle down config
+
+local lava_trickle_down = {
+    { from = dry_dripstone_block, to = molten_dripstone_block },
+    { from = dry_dripstone_huge, to = molten_dripstone_huge },
+    { from = dry_dripstone_large, to = molten_dripstone_large },
+    { from = dry_dripstone_great, to = molten_dripstone_great },
+    { from = dry_dripstone_medium, to = molten_dripstone_medium },
+    { from = dry_dripstone_small, to = molten_dripstone_small },
+    { from = dry_dripstone_tiny, to = molten_dripstone_tiny },
+    { from = dry_dripstone_spike, to = molten_dripstone_spike },
+    { from = watered_dripstone_block, to = hardened_dripstone_block },
+    { from = watered_dripstone_huge, to = hardened_dripstone_huge },
+    { from = watered_dripstone_large, to = hardened_dripstone_large },
+    { from = watered_dripstone_great, to = hardened_dripstone_great },
+    { from = watered_dripstone_medium, to = hardened_dripstone_medium },
+    { from = watered_dripstone_small, to = hardened_dripstone_small },
+    { from = watered_dripstone_tiny, to = hardened_dripstone_tiny },
+    { from = watered_dripstone_spike, to = hardened_dripstone_spike },
+    { from = "air", to = dry_dripstone_spike },
+}
+local water_trickle_down = {
+    { from = dry_dripstone_block, to = watered_dripstone_block },
+    { from = dry_dripstone_huge, to = watered_dripstone_huge },
+    { from = dry_dripstone_large, to = watered_dripstone_large },
+    { from = dry_dripstone_great, to = watered_dripstone_great },
+    { from = dry_dripstone_medium, to = watered_dripstone_medium },
+    { from = dry_dripstone_small, to = watered_dripstone_small },
+    { from = dry_dripstone_tiny, to = watered_dripstone_tiny },
+    { from = dry_dripstone_spike, to = watered_dripstone_spike },
+    { from = molten_dripstone_block, to = hardened_dripstone_block },
+    { from = molten_dripstone_huge, to = hardened_dripstone_huge },
+    { from = molten_dripstone_large, to = hardened_dripstone_large },
+    { from = molten_dripstone_great, to = hardened_dripstone_great },
+    { from = molten_dripstone_medium, to = hardened_dripstone_medium },
+    { from = molten_dripstone_small, to = hardened_dripstone_small },
+    { from = molten_dripstone_tiny, to = hardened_dripstone_tiny },
+    { from = molten_dripstone_spike, to = hardened_dripstone_spike },
+    { from = "air", to = dry_dripstone_spike },
+}
+
+local lava_trickle_down_spike = {
+    { from = dry_dripstone_block, to = molten_dripstone_block },
+    { from = dry_dripstone_huge, to = molten_dripstone_huge },
+    { from = dry_dripstone_large, to = molten_dripstone_large },
+    { from = dry_dripstone_great, to = molten_dripstone_great },
+    { from = dry_dripstone_medium, to = molten_dripstone_medium },
+    { from = dry_dripstone_small, to = molten_dripstone_small },
+    { from = dry_dripstone_tiny, to = molten_dripstone_tiny },
+    { from = dry_dripstone_spike, to = molten_dripstone_spike },
+    { from = watered_dripstone_block, to = hardened_dripstone_block },
+    { from = watered_dripstone_huge, to = hardened_dripstone_huge },
+    { from = watered_dripstone_large, to = hardened_dripstone_large },
+    { from = watered_dripstone_great, to = hardened_dripstone_great },
+    { from = watered_dripstone_medium, to = hardened_dripstone_medium },
+    { from = watered_dripstone_small, to = hardened_dripstone_small },
+    { from = watered_dripstone_tiny, to = hardened_dripstone_tiny },
+    { from = watered_dripstone_spike, to = hardened_dripstone_spike },
+}
+local water_trickle_down_spike = {
+    { from = dry_dripstone_block, to = watered_dripstone_block },
+    { from = dry_dripstone_huge, to = watered_dripstone_huge },
+    { from = dry_dripstone_large, to = watered_dripstone_large },
+    { from = dry_dripstone_great, to = watered_dripstone_great },
+    { from = dry_dripstone_medium, to = watered_dripstone_medium },
+    { from = dry_dripstone_small, to = watered_dripstone_small },
+    { from = dry_dripstone_tiny, to = watered_dripstone_tiny },
+    { from = dry_dripstone_spike, to = watered_dripstone_spike },
+    { from = molten_dripstone_block, to = hardened_dripstone_block },
+    { from = molten_dripstone_huge, to = hardened_dripstone_huge },
+    { from = molten_dripstone_large, to = hardened_dripstone_large },
+    { from = molten_dripstone_great, to = hardened_dripstone_great },
+    { from = molten_dripstone_medium, to = hardened_dripstone_medium },
+    { from = molten_dripstone_small, to = hardened_dripstone_small },
+    { from = molten_dripstone_tiny, to = hardened_dripstone_tiny },
+    { from = molten_dripstone_spike, to = hardened_dripstone_spike },
+}
+
+local lava_drop_down = {
+    { from = dry_dripstone_spike, to = molten_dripstone_spike },
+    { from = "mcl_cauldrons:cauldron", to = "mcl_cauldrons:cauldron_1_lava" },
+    { from = "mcl_cauldrons:cauldron_1_lava", to = "mcl_cauldrons:cauldron_2_lava" },
+    { from = "mcl_cauldrons:cauldron_2_lava", to = "mcl_cauldrons:cauldron_3_lava" },
+}
+local water_drop_down = {
+    { from = dry_dripstone_spike, to = watered_dripstone_spike },
+    { from = "mcl_cauldrons:cauldron", to = "mcl_cauldrons:cauldron_1" },
+    { from = "mcl_cauldrons:cauldron_1", to = "mcl_cauldrons:cauldron_2" },
+    { from = "mcl_cauldrons:cauldron_2", to = "mcl_cauldrons:cauldron_3" },
+}
+
+-- Tiles for dripstone
+local dry_dripstone_tiles =
+    { "noordstar_dripstone_dripstone_top.png"
+    , "noordstar_dripstone_dripstone_top.png"
+    , "noordstar_dripstone_dripstone_side.png"
+    }
+local hardened_dripstone_tiles =
+    { "noordstar_dripstone_hardened_dripstone_top.png"
+    , "noordstar_dripstone_hardened_dripstone_top.png"
+    , "noordstar_dripstone_hardened_dripstone_side.png"
+    }
+local molten_dripstone_tiles =
+    { "noordstar_dripstone_molten_dripstone_top.png"
+    , "noordstar_dripstone_molten_dripstone_top.png"
+    , "noordstar_dripstone_molten_dripstone_side.png"
+    }
+local watered_dripstone_tiles =
+    { "noordstar_dripstone_watered_dripstone_top.png"
+    , "noordstar_dripstone_watered_dripstone_top.png"
+    , "noordstar_dripstone_watered_dripstone_side.png"
+    }
+
+-- BASE BLOCKS
+-- These blocks are able to absorb water or lava from above them.
+
+minetest.register_node(dry_dripstone_block,
+    { description = "Dripstone block"
+    , _doc_items_longdesc = "Dripstone block that can suck up liquids above it and creates stalactites below it."
+    , tiles = dry_dripstone_tiles
+    , drawtype = "normal"
+    }
+)
+minetest.register_node(hardened_dripstone_block,
+    { description = "Hardened dripstone block"
+    , _doc_items_longdesc = "Dripstone block that is no longer able to absorb liquids above it."
+    , tiles = hardened_dripstone_tiles
+    , drawtype = "normal"
+    }
+)
+minetest.register_node(molten_dripstone_block,
+    { description = "Molten dripstone block"
+    , _doc_items_longdesc = "A dripstone block that has absorbed some lava, allowing it to form a stalactite."
+    , tiles = molten_dripstone_tiles
+    , drawtype = "normal"
+    }
+)
+minetest.register_node(watered_dripstone_block,
+    { description = "Watered dripstone block"
+    , _doc_items_longdesc = "A dripstone block that has absorbed some water, allowing it to form a stalactite."
+    , tiles = watered_dripstone_tiles
+    , drawtype = "normal"
+    }
+)
+
+local function make_dripstone(name, desc, longdesc, tiles, size)
+    minetest.register_node(name,
+        { description = desc
+        , _doc_items_longdesc = longdesc
+        , tiles = tiles
+        , drawtype = "nodebox"
+        , paramtype = "light"
+        , sunlight_propagates = true
+        , node_box = nodebox_of_size(size)
+        }
+    )
+end
+
+-- HUGE DRIPSTONE
+-- This is the largest form a non-block can get.
+
+make_dripstone(
+    dry_dripstone_huge,
+    "Huge dripstone",
+    "Dripstone in the largest shape it can reach.",
+    dry_dripstone_tiles,
+    7
+)
+make_dripstone(
+    hardened_dripstone_huge,
+    "Huge hardened dripstone",
+    "Dripstone in the largest shape it can reach. It is no longer able to grow or absorb liquids.",
+    hardened_dripstone_tiles,
+    7
+)
+make_dripstone(
+    molten_dripstone_huge,
+    "Huge molten dripstone",
+    "Dripstone in the largest shape it can reach. It has absorbed some lava, but it can no longer grow in thickness.",
+    molten_dripstone_tiles,
+    7
+)
+make_dripstone(
+    watered_dripstone_huge,
+    "Huge watered dripstone",
+    "Dripstone in the largest shape it can reach. It has absorbed some water, but it can no longer grow in thickness.",
+    watered_dripstone_tiles,
+    7
+)
+
+-- LARGE DRIPSTONE
+
+make_dripstone(
+    dry_dripstone_large,
+    "Large dripstone",
+    "A thick layer of dripstone.",
+    dry_dripstone_tiles,
+    6
+)
+make_dripstone(
+    hardened_dripstone_large,
+    "Large hardened dripstone",
+    "A thick layer of dripstone. It is no longer able to grow or absorb liquids.",
+    hardened_dripstone_tiles,
+    6
+)
+make_dripstone(
+    molten_dripstone_large,
+    "Large molten dripstone",
+    "A thick layer of dripstone. It has absorbed some lava, so it is able to grow in thickness.",
+    molten_dripstone_tiles,
+    6
+)
+make_dripstone(
+    watered_dripstone_large,
+    "Large watered dripstone",
+    "A thick layer of dripstone. It has absorbed some water, so it is able to grow in thickness.",
+    watered_dripstone_tiles,
+    6
+)
+
+-- GREAT DRIPSTONE
+
+make_dripstone(
+    dry_dripstone_great,
+    "Great dripstone",
+    "A thick layer of dripstone.",
+    dry_dripstone_tiles,
+    5
+)
+make_dripstone(
+    hardened_dripstone_great,
+    "Great hardened dripstone",
+    "A thick layer of dripstone. It is no longer able to grow or absorb liquids.",
+    hardened_dripstone_tiles,
+    5
+)
+make_dripstone(
+    molten_dripstone_great,
+    "Great molten dripstone",
+    "A thick layer of dripstone. It has absorbed some lava, so it is able to grow in thickness.",
+    molten_dripstone_tiles,
+    5
+)
+make_dripstone(
+    watered_dripstone_great,
+    "Great watered dripstone",
+    "A thick layer of dripstone. It has absorbed some water, so it is able to grow in thickness.",
+    watered_dripstone_tiles,
+    5
+)
+
+-- MEDIUM DRIPSTONE
+
+make_dripstone(
+    dry_dripstone_medium,
+    "Medium dripstone",
+    "A thick layer of dripstone.",
+    dry_dripstone_tiles,
+    4
+)
+make_dripstone(
+    hardened_dripstone_medium,
+    "Medium hardened dripstone",
+    "A thick layer of dripstone. It is no longer able to grow or absorb liquids.",
+    hardened_dripstone_tiles,
+    4
+)
+make_dripstone(
+    molten_dripstone_medium,
+    "Medium molten dripstone",
+    "A thick layer of dripstone. It has absorbed some lava, so it is able to grow in thickness.",
+    molten_dripstone_tiles,
+    4
+)
+make_dripstone(
+    watered_dripstone_medium,
+    "Medium watered dripstone",
+    "A thick layer of dripstone. It has absorbed some water, so it is able to grow in thickness.",
+    watered_dripstone_tiles,
+    4
+)
+
+-- SMALL DRIPSTONE
+
+make_dripstone(
+    dry_dripstone_small,
+    "Small dripstone",
+    "A thick layer of dripstone.",
+    dry_dripstone_tiles,
+    3
+)
+make_dripstone(
+    hardened_dripstone_small,
+    "Small hardened dripstone",
+    "A thick layer of dripstone. It is no longer able to grow or absorb liquids.",
+    hardened_dripstone_tiles,
+    3
+)
+make_dripstone(
+    molten_dripstone_small,
+    "Small molten dripstone",
+    "A thick layer of dripstone. It has absorbed some lava, so it is able to grow in thickness.",
+    molten_dripstone_tiles,
+    3
+)
+make_dripstone(
+    watered_dripstone_small,
+    "Small watered dripstone",
+    "A thick layer of dripstone. It has absorbed some water, so it is able to grow in thickness.",
+    watered_dripstone_tiles,
+    3
+)
+
+-- TINY DRIPSTONE
+
+make_dripstone(
+    dry_dripstone_tiny,
+    "Tiny dripstone",
+    "A thick layer of dripstone.",
+    dry_dripstone_tiles,
+    2
+)
+make_dripstone(
+    hardened_dripstone_tiny,
+    "Tiny hardened dripstone",
+    "A thick layer of dripstone. It is no longer able to grow or absorb liquids.",
+    hardened_dripstone_tiles,
+    2
+)
+make_dripstone(
+    molten_dripstone_tiny,
+    "Tiny molten dripstone",
+    "A thick layer of dripstone. It has absorbed some lava, so it is able to grow in thickness.",
+    molten_dripstone_tiles,
+    2
+)
+make_dripstone(
+    watered_dripstone_tiny,
+    "Tiny watered dripstone",
+    "A thick layer of dripstone. It has absorbed some water, so it is able to grow in thickness.",
+    watered_dripstone_tiles,
+    2
+)
+
+-- DRIPSTONE SPIKE
+
+make_dripstone(
+    dry_dripstone_spike,
+    "Dripstone spike",
+    "A thick layer of dripstone.",
+    dry_dripstone_tiles,
+    1
+)
+make_dripstone(
+    hardened_dripstone_spike,
+    "Hardened dripstone spike",
+    "A thick layer of dripstone. It is no longer able to grow or absorb liquids.",
+    hardened_dripstone_tiles,
+    1
+)
+make_dripstone(
+    molten_dripstone_spike,
+    "Molten dripstone spike",
+    "A thick layer of dripstone. It has absorbed some lava, so it is able to grow in thickness.",
+    molten_dripstone_tiles,
+    1
+)
+make_dripstone(
+    watered_dripstone_spike,
+    "Watered dripstone spike",
+    "A thick layer of dripstone. It has absorbed some water, so it is able to grow in thickness.",
+    watered_dripstone_tiles,
+    1
+)
+
+-- ACTIONS
+
+local function absorb_liquid(pos, node, aoc, aocw)
+    local node_above = minetest.get_node({ x = pos.x, y = pos.y + 1, z = pos.z }) or {}
+    local na_name = node_above.name
+
+    for _, water in pairs(noordstar_dripstone.water_nodes) do
+        if water == na_name then
+            -- Make block watery
+            node.name = watered_dripstone_block
+            minetest.set_node(pos, node)
+            return
+        end
+    end
+
+    for _, lava in pairs(noordstar_dripstone.lava_nodes) do
+        if lava == na_name then
+            -- Make block molten
+            node.name = molten_dripstone_block
+            minetest.set_node(pos, node)
+            return
+        end
+    end
+end
+
+local function drop_down_to(options, dry_up_node_name)
+    return function(pos, node, aoc, aocw)
+        for i = 1, 25 do
+            local pos_rel = { x = pos.x, y = pos.y - i, z = pos.z }
+            local node_rel = minetest.get_node(pos_rel) or {}
+            local node_name = node_rel.name or ""
+
+            if node_name == "air" then
+            else
+                -- Non-air node has been found!
+                -- Check if it reacts to the dripstone and if it can be
+                -- activated.
+                for _, option in pairs(options) do
+                    if node_name == option.from then
+                        node_rel.name = option.to
+                        node.name = dry_up_node_name
+
+                        minetest.set_node(pos, node)
+                        minetest.set_node(pos_rel, node_rel)
+                        return
+                    end
+                end
+
+                -- The node cannot be changed and hence a new spike starts on top
+                -- of it.
+                if i > 1 then
+                    pos_rel = { x = pos.x, y = pos.y - i + 1, z = pos.z }
+                    minetest.set_node(pos_rel, { name = dry_dripstone_spike })
+
+                    node.name = dry_up_node_name
+                    minetest.set_node(pos, node)
+                end
+                return
+            end
+        end
+    end
+end
+
+local function grow_to(dry_grown_node_name)
+    return function(pos, node, aoc, aocw)
+        node.name = dry_grown_node_name
+        minetest.set_node(pos, node)
+    end
+end
+
+local function harden(harden_nodes_func)
+    return function(pos, node, aoc, aocw)
+        local node_above = minetest.get_node({ x = pos.x, y = pos.y + 1, z = pos.z }) or {}
+        local na_name = node_above.name
+
+        for _, hardener in pairs(harden_nodes_func()) do
+            if hardener == na_name then
+                -- Harden dripstone block
+                node.name = hardened_dripstone_block
+                minetest.set_node(pos, node)
+                return
+            end
+        end
+    end
+end
+
+local function trickle_down(options, dry_up_node_name)
+    return function(pos, node, aoc, aocw)
+        local pos_below = { x = pos.x, y = pos.y - 1, z = pos.z }
+        local node_below = minetest.get_node(pos_below) or {}
+        local nb_name = node_below.name or ""
+
+        for _, option in pairs(options) do
+            local expected_node_name = option.from or nil
+            local resulted_node_name = option.to
+
+            if nb_name == expected_node_name then
+                node.name = dry_up_node_name
+                node_below.name = resulted_node_name
+
+                minetest.set_node(pos, node)
+                minetest.set_node(pos_below, node_below)
+                return
+            end
+        end
+    end
+end
+
+local function make_abm(nodename, expected_duration, action)
+    minetest.register_abm(
+        { nodenames = { nodename }
+        , interval = expected_duration / samples_per_interval
+        , chance = samples_per_interval
+        , catch_up = true
+        , action = action
+    }
+)
+end
+
+-- ABSORB LIQUIDS
+
+make_abm(dry_dripstone_block, seconds_per_trickle, absorb_liquid)
+make_abm(molten_dripstone_block, seconds_per_trickle, harden(function ()
+    return noordstar_dripstone.water_nodes
+end))
+make_abm(watered_dripstone_block, seconds_per_trickle, harden(function ()
+    return noordstar_dripstone.lava_nodes
+end))
+
+-- TRICKLE DOWN
+
+make_abm(molten_dripstone_block, seconds_per_trickle, trickle_down(lava_trickle_down, dry_dripstone_block))
+make_abm(watered_dripstone_block, seconds_per_trickle, trickle_down(water_trickle_down, dry_dripstone_block))
+make_abm(molten_dripstone_huge, seconds_per_trickle, trickle_down(lava_trickle_down, dry_dripstone_huge))
+make_abm(watered_dripstone_huge, seconds_per_trickle, trickle_down(water_trickle_down, dry_dripstone_huge))
+make_abm(molten_dripstone_large, seconds_per_trickle, trickle_down(lava_trickle_down, dry_dripstone_large))
+make_abm(watered_dripstone_large, seconds_per_trickle, trickle_down(water_trickle_down, dry_dripstone_large))
+make_abm(molten_dripstone_great, seconds_per_trickle, trickle_down(lava_trickle_down, dry_dripstone_great))
+make_abm(watered_dripstone_great, seconds_per_trickle, trickle_down(water_trickle_down, dry_dripstone_great))
+make_abm(molten_dripstone_medium, seconds_per_trickle, trickle_down(lava_trickle_down, dry_dripstone_medium))
+make_abm(watered_dripstone_medium, seconds_per_trickle, trickle_down(water_trickle_down, dry_dripstone_medium))
+make_abm(molten_dripstone_small, seconds_per_trickle, trickle_down(lava_trickle_down, dry_dripstone_small))
+make_abm(watered_dripstone_small, seconds_per_trickle, trickle_down(water_trickle_down, dry_dripstone_small))
+make_abm(molten_dripstone_tiny, seconds_per_trickle, trickle_down(lava_trickle_down, dry_dripstone_tiny))
+make_abm(watered_dripstone_tiny, seconds_per_trickle, trickle_down(water_trickle_down, dry_dripstone_tiny))
+make_abm(molten_dripstone_spike, seconds_per_trickle, trickle_down(lava_trickle_down_spike, dry_dripstone_spike))
+make_abm(watered_dripstone_spike, seconds_per_trickle, trickle_down(water_trickle_down_spike, dry_dripstone_spike))
+
+-- GROW
+
+make_abm(molten_dripstone_large, seconds_per_growth*(14*14 - 12*12), grow_to(dry_dripstone_huge))
+make_abm(watered_dripstone_large, seconds_per_growth*(14*14 - 12*12), grow_to(dry_dripstone_huge))
+make_abm(molten_dripstone_great, seconds_per_growth*(12*12 - 10*10), grow_to(dry_dripstone_large))
+make_abm(watered_dripstone_great, seconds_per_growth*(12*12 - 10*10), grow_to(dry_dripstone_large))
+make_abm(molten_dripstone_medium, seconds_per_growth*(10*10 - 8*8), grow_to(dry_dripstone_great))
+make_abm(watered_dripstone_medium, seconds_per_growth*(10*10 - 8*8), grow_to(dry_dripstone_great))
+make_abm(molten_dripstone_small, seconds_per_growth*(8*8 - 6*6), grow_to(dry_dripstone_medium))
+make_abm(watered_dripstone_small, seconds_per_growth*(8*8 - 6*6), grow_to(dry_dripstone_medium))
+make_abm(molten_dripstone_tiny, seconds_per_growth*(6*6 - 4*4), grow_to(dry_dripstone_small))
+make_abm(watered_dripstone_tiny, seconds_per_growth*(6*6 - 4*4), grow_to(dry_dripstone_small))
+make_abm(molten_dripstone_spike, seconds_per_growth*(4*4 - 2*2), grow_to(dry_dripstone_tiny))
+make_abm(watered_dripstone_spike, seconds_per_growth*(4*4 - 2*2), grow_to(dry_dripstone_tiny))
+
+-- DROP DOWN
+
+make_abm(molten_dripstone_spike, seconds_per_trickle, drop_down_to(lava_drop_down, dry_dripstone_spike))
+make_abm(watered_dripstone_spike, seconds_per_trickle, drop_down_to(water_drop_down, dry_dripstone_spike))

mod.conf

@@ -0,0 +1,6 @@
+name=noordstar_dripstone
+description=Add stalactites and stalagmites to your game.
+author=Noordstar
+title=Noordstar Dripstone
+depends=
+optional_depends=default,mcl_cauldron,mcl_core