dfcaverns/df_mapitems/snareweed.lua
2020-02-17 22:36:53 -07:00

73 lines
2.6 KiB
Lua

local S = df_mapitems.S
minetest.register_node("df_mapitems:snareweed", {
description = S("Snareweed"),
_doc_items_longdesc = df_mapitems.doc.snareweed_desc,
_doc_items_usagehelp = df_mapitems.doc.snareweed_usage,
tiles = {"default_dirt.png^dfcaverns_snareweed_roots.png", "default_dirt.png"},
drawtype="plantlike_rooted",
paramtype2 = "leveled",
special_tiles = {{name = "dfcaverns_snareweed.png", tileable_vertical = true}},
is_ground_content = false,
drop = 'default:dirt',
light_source = 6,
groups = {crumbly = 3, soil = 1},
sounds = default.node_sound_dirt_defaults(),
})
if df_mapitems.config.snareweed_damage then
local timer = 0
minetest.register_globalstep(function(dtime)
timer = timer + dtime
if timer >= 1 then
timer = timer - 1
for _, player in pairs(minetest.get_connected_players()) do
local player_pos = player:get_pos() -- node player's feet are in this location.
local rounded_pos = vector.round(player_pos)
local nearby_nodes = minetest.find_nodes_in_area(vector.add(rounded_pos, {x=0, y= -8, z=0}), rounded_pos, {"df_mapitems:snareweed"})
for _, node_pos in ipairs(nearby_nodes) do
local node = minetest.get_node(node_pos)
local distance = player_pos.y - node_pos.y
if distance <= node.param2/16 then
minetest.log("action", player:get_player_name() .. " takes 2 damage from snareweed at " .. minetest.pos_to_string(node_pos))
player:set_hp(player:get_hp() - 2)
break
end
end
end
end
end)
end
local c_water = minetest.get_content_id("default:water_source")
local c_dirt = minetest.get_content_id("default:dirt")
local c_stone = minetest.get_content_id("default:stone")
local c_snareweed = minetest.get_content_id("df_mapitems:snareweed")
df_mapitems.place_snareweed = function(area, data, bi, param2_data)
local max_height = 0
local index = bi + area.ystride
while area:containsi(index) and data[index] == c_water and max_height <= 8*16 do
index = index + area.ystride
max_height = max_height + 16
end
if max_height > 0 then
data[bi] = c_snareweed
param2_data[bi] = math.min(math.random(3*16, 8*16), max_height)
else
data[bi] = c_dirt
end
end
df_mapitems.place_snareweed_patch = function(area, data, bi, param2_data, radius)
local pos = area:position(bi)
for li in area:iterp(vector.add(pos, -radius), vector.add(pos, radius)) do
local adjacent = li + area.ystride
local node_type = data[li]
if math.random() < 0.1 and (node_type == c_stone or node_type == c_dirt) and data[adjacent] == c_water then
df_mapitems.place_snareweed(area, data, li, param2_data)
end
end
end