generated from Descent/bombtest
95 lines
3.2 KiB
Lua
95 lines
3.2 KiB
Lua
geodes_lib = {}
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local function set_geode_node(pos, node)
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local original_node = minetest.get_node(pos)
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if original_node.name ~= "air" then
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minetest.set_node(pos, node)
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end
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end
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local function generate_geode(pos, radius, core, core_alt, core_alt_chance, shell)
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local total_radius = radius+1+#(shell)
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--generate shell
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for _, layer in ipairs(shell) do
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for x = -total_radius, total_radius do
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for y = -total_radius, total_radius do
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for z = -total_radius, total_radius do
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if vector.distance(vector.new(x, y, z), vector.new()) < total_radius then
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set_geode_node(pos + vector.new(x, y, z), {name = layer})
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end
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end
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end
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end
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total_radius = total_radius-1
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end
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--generate core
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for x = -total_radius, total_radius do
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for y = -total_radius, total_radius do
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for z = -total_radius, total_radius do
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if vector.distance(vector.new(x, y, z), vector.new()) < total_radius then
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if math.random(1, core_alt_chance) == 1 then
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set_geode_node(pos + vector.new(x, y, z), {name = core_alt})
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else
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set_geode_node(pos + vector.new(x, y, z), {name = core})
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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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total_radius = total_radius-1
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--generate cavity
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for x = -total_radius, total_radius do
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for y = -total_radius, total_radius do
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for z = -total_radius, total_radius do
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if vector.distance(vector.new(x, y, z), vector.new()) < total_radius then
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minetest.set_node(pos + vector.new(x, y, z), {name = "air"})
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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 geodes_lib:register_geode(data)
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local wherein = data.wherein
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local y_min = data.y_min
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local y_max = data.y_max
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local scarcity = data.scarcity
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local core = data.core
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local core_alt = data.core_alt
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local core_alt_chance = data.core_alt_chance
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local shell = data.shell
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local radius_min = data.radius_min
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local radius_max = data.radius_max
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local generation_chance = data.generation_chance or 100
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minetest.register_node(core.."_technical_mapgen", {
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = core.."_technical_mapgen",
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wherein = wherein,
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clust_scarcity = scarcity*scarcity*scarcity,
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clust_num_ores = 1,
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clust_size = 1,
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y_min = y_min,
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y_max = y_max,
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})
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minetest.register_lbm({
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label = "Generate geodes",
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name = core.."_geode_generation",
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nodenames = core.."_technical_mapgen",
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run_at_every_load = true,
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action = function(pos, node)
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-- Check if the action should be taken
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if math.random(1, 100) <= generation_chance then
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generate_geode(pos, math.random(radius_min,radius_max), core, core_alt, core_alt_chance, shell)
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else
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-- Revert the node back to wherein state
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minetest.set_node(pos, {name = wherein})
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end
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end,
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})
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end
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