149 lines
5.7 KiB
Lua
149 lines
5.7 KiB
Lua
-- Hades Plantslib mod
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hades_plantslib = {}
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-- Set to true to spam console with debugging info (needs verbose debug level)
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local DEBUG = false
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local function dbg(msg)
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if DEBUG then
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minetest.log("verbose", "[hades_plantslib] "..msg)
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end
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end
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local time_scale = 1
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local time_speed = tonumber(minetest.settings:get("time_speed"))
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if time_speed and time_speed > 0 then
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time_scale = 72 / time_speed
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end
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-- Local functions
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local function is_node_loaded (node_pos)
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local n = minetest.get_node_or_nil(node_pos)
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if (not n) or (n.name == "ignore") then
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return false
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end
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return true
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end
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local function set_defaults(biome)
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biome.seed_diff = biome.seed_diff or 0
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biome.near_nodes_vertical = biome.near_nodes_vertical or 1
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-- specific to on-generate
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biome.neighbors = biome.neighbors or biome.surface
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biome.near_nodes_size = biome.near_nodes_size or 0
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biome.near_nodes_count = biome.near_nodes_count or 1
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biome.rarity = biome.rarity or 50
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biome.max_count = biome.max_count or 5
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if biome.check_air ~= false then biome.check_air = true end
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-- specific to abm spawner
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biome.seed_diff = biome.seed_diff or 0
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biome.light_min = biome.light_min or 0
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biome.light_max = biome.light_max or minetest.LIGHT_MAX
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biome.depth_max = biome.depth_max or 1
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biome.facedir = biome.facedir or 0
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end
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local function find_open_side(pos)
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if minetest.get_node({ x=pos.x-1, y=pos.y, z=pos.z }).name == "air" then
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return {newpos = { x=pos.x-1, y=pos.y, z=pos.z }, facedir = 2}
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end
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if minetest.get_node({ x=pos.x+1, y=pos.y, z=pos.z }).name == "air" then
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return {newpos = { x=pos.x+1, y=pos.y, z=pos.z }, facedir = 3}
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end
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if minetest.get_node({ x=pos.x, y=pos.y, z=pos.z-1 }).name == "air" then
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return {newpos = { x=pos.x, y=pos.y, z=pos.z-1 }, facedir = 4}
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end
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if minetest.get_node({ x=pos.x, y=pos.y, z=pos.z+1 }).name == "air" then
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return {newpos = { x=pos.x, y=pos.y, z=pos.z+1 }, facedir = 5}
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end
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return nil
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end
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-- The spawning ABM
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function hades_plantslib.spawn_on_surfaces(biome)
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if biome.spawn_delay*time_scale >= 1 then
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biome.interval = biome.spawn_delay*time_scale
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else
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biome.interval = 1
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end
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set_defaults(biome)
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biome.spawn_plants_count = table.getn(biome.spawn_plants)
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dbg("Registered spawning ABM:")
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dbg(dump(biome))
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dbg("Number of trigger nodes in this ABM: "..biome.spawn_plants_count )
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minetest.register_abm({
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label = biome.label,
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nodenames = biome.spawn_surfaces,
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interval = biome.interval,
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chance = biome.spawn_chance,
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neighbors = biome.neighbors,
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action = function(pos, node, active_object_count, active_object_count_wider)
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local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
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local n_top = minetest.get_node(p_top)
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if is_node_loaded(p_top) then
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local n_light = minetest.get_node_light(p_top, nil)
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if not (biome.avoid_nodes and biome.avoid_radius and minetest.find_node_near(p_top, biome.avoid_radius + math.random(-1.5,2), biome.avoid_nodes))
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and n_light >= biome.light_min
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and n_light <= biome.light_max
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and (not(biome.neighbors and biome.ncount) or table.getn(minetest.find_nodes_in_area({x=pos.x-1, y=pos.y, z=pos.z-1}, {x=pos.x+1, y=pos.y, z=pos.z+1}, biome.neighbors)) > biome.ncount )
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and (not(biome.near_nodes and biome.near_nodes_count and biome.near_nodes_size) or table.getn(minetest.find_nodes_in_area({x=pos.x-biome.near_nodes_size, y=pos.y-biome.near_nodes_vertical, z=pos.z-biome.near_nodes_size}, {x=pos.x+biome.near_nodes_size, y=pos.y+biome.near_nodes_vertical, z=pos.z+biome.near_nodes_size}, biome.near_nodes)) >= biome.near_nodes_count)
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and (not(biome.air_count and biome.air_size) or table.getn(minetest.find_nodes_in_area({x=p_top.x-biome.air_size, y=p_top.y, z=p_top.z-biome.air_size}, {x=p_top.x+biome.air_size, y=p_top.y, z=p_top.z+biome.air_size}, "air")) >= biome.air_count)
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then
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local currentsurface = minetest.get_node(pos).name
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if currentsurface ~= "hades_core:water_source"
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or (currentsurface == "hades_core:water_source" and table.getn(minetest.find_nodes_in_area({x=pos.x, y=pos.y-biome.depth_max-1, z=pos.z}, {x=pos.x, y=pos.y, z=pos.z}, {"hades_core:dirt", "hades_core:dirt_with_grass", "hades_core:ash"})) > 0 )
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then
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local rnd = math.random(1, biome.spawn_plants_count)
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local plant_to_spawn = biome.spawn_plants[rnd]
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dbg("Chose entry number "..rnd.." of "..biome.spawn_plants_count)
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local fdir = biome.facedir
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if biome.random_facedir then
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fdir = math.random(biome.random_facedir[1],biome.random_facedir[2])
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dbg("Gave it a random facedir: "..fdir)
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end
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if not biome.spawn_on_side and not biome.spawn_on_bottom and not biome.spawn_replace_node then
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if n_top.name == "air" then
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dbg("Spawn: "..plant_to_spawn.." on top of "..minetest.pos_to_string(pos).."; facedir="..fdir)
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minetest.add_node(p_top, { name = plant_to_spawn, param2 = fdir })
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end
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elseif biome.spawn_replace_node then
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dbg("Spawn: "..plant_to_spawn.." to replace "..minetest.get_node(pos).name.." at "..minetest.pos_to_string(pos))
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minetest.add_node(pos, { name = plant_to_spawn, param2 = fdir })
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elseif biome.spawn_on_side then
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local onside = find_open_side(pos)
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if onside then
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dbg("Spawn: "..plant_to_spawn.." at side of "..minetest.pos_to_string(pos)..", facedir "..onside.facedir)
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minetest.add_node(onside.newpos, { name = plant_to_spawn, param2 = onside.facedir })
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end
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elseif biome.spawn_on_bottom then
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if minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name == "air" then
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dbg("Spawn: "..plant_to_spawn.." on bottom of "..minetest.pos_to_string(pos))
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minetest.add_node({x=pos.x, y=pos.y-1, z=pos.z}, { name = plant_to_spawn, param2 = fdir} )
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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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end,
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})
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end
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