mirror of
https://github.com/Splizard/minetest-mod-snow.git
synced 2024-11-15 14:20:17 +01:00
489 lines
14 KiB
Lua
489 lines
14 KiB
Lua
--[[
|
|
Snow Biomes
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA.
|
|
]]--
|
|
|
|
snow = {}
|
|
dofile(minetest.get_modpath("snow").."/mapgen.lua")
|
|
dofile(minetest.get_modpath("snow").."/config.lua")
|
|
|
|
--Replace leaves so snow gets removed on decay.
|
|
local leaves = {}
|
|
for k,v in pairs(minetest.registered_nodes["default:leaves"]) do
|
|
leaves[k] = v
|
|
end
|
|
leaves.after_destruct = function(pos, node, digger)
|
|
pos.y = pos.y + 1
|
|
local nodename = minetest.env:get_node(pos).name
|
|
if nodename == "snow:snow" then
|
|
minetest.env:remove_node(pos)
|
|
end
|
|
end
|
|
minetest.register_node(":default:leaves", leaves)
|
|
|
|
--Pine leaves.
|
|
minetest.register_node("snow:needles", {
|
|
description = "Pine Needles",
|
|
drawtype = "allfaces_optional",
|
|
visual_scale = 1.3,
|
|
tiles = {"snow_needles.png"},
|
|
paramtype = "light",
|
|
groups = {snappy=3, leafdecay=3, flammable=2},
|
|
drop = {
|
|
max_items = 1,
|
|
items = {
|
|
{
|
|
-- player will get sapling with 1/20 chance
|
|
items = {'snow:sapling_pine'},
|
|
rarity = 20,
|
|
},
|
|
{
|
|
-- player will get leaves only if he get no saplings,
|
|
-- this is because max_items is 1
|
|
items = {'snow:needles'},
|
|
}
|
|
}
|
|
},
|
|
--Remove snow above leaves after decay.
|
|
after_destruct = function(pos, node, digger)
|
|
pos.y = pos.y + 1
|
|
local nodename = minetest.env:get_node(pos).name
|
|
if nodename == "snow:snow" then
|
|
minetest.env:remove_node(pos)
|
|
end
|
|
end,
|
|
sounds = default.node_sound_leaves_defaults(),
|
|
})
|
|
|
|
minetest.register_node("snow:sapling_pine", {
|
|
description = "Pine Sapling",
|
|
drawtype = "plantlike",
|
|
visual_scale = 1.0,
|
|
tiles = {"snow_sapling_pine.png"},
|
|
inventory_image = "snow_sapling_pine.png",
|
|
wield_image = "snow_sapling_pine.png",
|
|
paramtype = "light",
|
|
walkable = false,
|
|
groups = {snappy=2,dig_immediate=3,flammable=2},
|
|
sounds = default.node_sound_defaults(),
|
|
})
|
|
|
|
minetest.register_craft({
|
|
type = "fuel",
|
|
recipe = "snow:needles",
|
|
burntime = 1,
|
|
})
|
|
|
|
minetest.register_craft({
|
|
type = "fuel",
|
|
recipe = "snow:sapling_pine",
|
|
burntime = 10,
|
|
})
|
|
|
|
|
|
--Snowballs
|
|
-------------
|
|
snowball_GRAVITY=9
|
|
snowball_VELOCITY=19
|
|
|
|
--Shoot snowball.
|
|
local snow_shoot_snowball=function (item, player, pointed_thing)
|
|
local playerpos=player:getpos()
|
|
local obj=minetest.env:add_entity({x=playerpos.x,y=playerpos.y+1.5,z=playerpos.z}, "snow:snowball_entity")
|
|
local dir=player:get_look_dir()
|
|
obj:setvelocity({x=dir.x*snowball_VELOCITY, y=dir.y*snowball_VELOCITY, z=dir.z*snowball_VELOCITY})
|
|
obj:setacceleration({x=dir.x*-3, y=-snowball_GRAVITY, z=dir.z*-3})
|
|
item:take_item()
|
|
return item
|
|
end
|
|
|
|
--The snowball Entity
|
|
snow_snowball_ENTITY={
|
|
physical = false,
|
|
timer=0,
|
|
textures = {"snow_snowball.png"},
|
|
lastpos={},
|
|
collisionbox = {0,0,0,0,0,0},
|
|
}
|
|
|
|
--Snowball_entity.on_step()--> called when snowball is moving.
|
|
snow_snowball_ENTITY.on_step = function(self, dtime)
|
|
self.timer=self.timer+dtime
|
|
local pos = self.object:getpos()
|
|
local node = minetest.env:get_node(pos)
|
|
|
|
--Become item when hitting a node.
|
|
if self.lastpos.x~=nil then --If there is no lastpos for some reason.
|
|
if node.name ~= "air" then
|
|
minetest.env:place_node(self.lastpos,{name="snow:snow"})
|
|
self.object:remove()
|
|
end
|
|
end
|
|
self.lastpos={x=pos.x, y=pos.y, z=pos.z} -- Set lastpos-->Node will be added at last pos outside the node
|
|
end
|
|
|
|
minetest.register_entity("snow:snowball_entity", snow_snowball_ENTITY)
|
|
|
|
--Snowball.
|
|
minetest.register_craftitem("snow:snowball", {
|
|
description = "Snowball",
|
|
inventory_image = "snow_snowball.png",
|
|
on_use = snow_shoot_snowball,
|
|
})
|
|
|
|
--Snow.
|
|
minetest.register_node("snow:snow", {
|
|
description = "Snow",
|
|
tiles = {"snow_snow.png"},
|
|
drawtype = "nodebox",
|
|
sunlight_propagates = true,
|
|
paramtype = "light",
|
|
param2 = nil,
|
|
--param2 is reserved for what vegetation is hiding inside.
|
|
--mapgen defines the vegetation.
|
|
--1 = Moss
|
|
groups = {crumbly=3,melts=3},
|
|
buildable_to = true,
|
|
drop = 'snow:snowball',
|
|
node_box = {
|
|
type = "fixed",
|
|
fixed = {
|
|
{-0.5, -0.5, -0.5, 0.5, -0.35, 0.5}
|
|
},
|
|
},
|
|
selection_box = {
|
|
type = "fixed",
|
|
fixed = {
|
|
{-0.5, -0.5, -0.5, 0.5, -0.35, 0.5}
|
|
},
|
|
},
|
|
sounds = default.node_sound_dirt_defaults({
|
|
footstep = {name="default_gravel_footstep", gain=0.45},
|
|
}),
|
|
--Update dirt node underneath snow.
|
|
after_destruct = function(pos, node, digger)
|
|
if node.param2 == 1 then
|
|
local n = minetest.env:get_node(pos).name
|
|
if n == "air" or n == "default:water_flowing" or n == "default:water_source" then
|
|
minetest.env:add_node(pos,{name="snow:moss",param2=1})
|
|
end
|
|
end
|
|
pos.y = pos.y - 1
|
|
local nodename = minetest.env:get_node(pos).name
|
|
if nodename == "snow:dirt_with_snow" then
|
|
minetest.env:add_node(pos,{name="default:dirt_with_grass"})
|
|
end
|
|
end,
|
|
on_construct = function(pos, newnode)
|
|
pos.y = pos.y - 1
|
|
local nodename = minetest.env:get_node(pos).name
|
|
if nodename == "default:dirt_with_grass" then
|
|
minetest.env:remove_node(pos)
|
|
minetest.env:add_node(pos,{name="snow:dirt_with_snow"})
|
|
elseif nodename == "air" then
|
|
pos.y = pos.y + 1
|
|
minetest.env:remove_node(pos)
|
|
end
|
|
end,
|
|
})
|
|
|
|
--Snow with dirt.
|
|
minetest.register_node("snow:dirt_with_snow", {
|
|
description = "Dirt with Snow",
|
|
tiles = {"snow_snow.png", "default_dirt.png", "default_dirt.png^snow_snow_side.png"},
|
|
is_ground_content = true,
|
|
groups = {crumbly=3},
|
|
drop = 'default:dirt',
|
|
sounds = default.node_sound_dirt_defaults({
|
|
footstep = {name="default_grass_footstep", gain=0.4},
|
|
}),
|
|
--Place snow above this node when placed.
|
|
after_place_node = function(pos, newnode)
|
|
pos.y = pos.y + 1
|
|
local nodename = minetest.env:get_node(pos).name
|
|
if nodename == "air" then
|
|
minetest.env:add_node(pos,{name="snow:snow"})
|
|
end
|
|
end,
|
|
})
|
|
|
|
--Gets rid of snow when the node underneath is dug.
|
|
local unsnowify = function(pos, node, digger)
|
|
if node.name == "default:dry_shrub" then
|
|
pos.y = pos.y - 1
|
|
local nodename = minetest.env:get_node(pos).name
|
|
if nodename == "snow:dirt_with_snow" then
|
|
minetest.env:add_node(pos,{name="default:dirt_with_grass"})
|
|
end
|
|
pos.y = pos.y + 1
|
|
end
|
|
pos.y = pos.y + 1
|
|
local nodename = minetest.env:get_node(pos).name
|
|
if nodename == "snow:snow" then
|
|
minetest.env:remove_node(pos)
|
|
local obj=minetest.env:add_entity({x=pos.x,y=pos.y,z=pos.z}, "snow:snowball_entity")
|
|
obj:setacceleration({x=0, y=-snowball_GRAVITY, z=0})
|
|
end
|
|
end
|
|
|
|
minetest.register_on_dignode(unsnowify)
|
|
|
|
--Snow block.
|
|
minetest.register_node("snow:snow_block", {
|
|
description = "Snow",
|
|
tiles = {"snow_snow.png"},
|
|
--param2 is reserved for what vegetation is hiding inside.
|
|
--mapgen defines the vegetation.
|
|
--1 = Moss
|
|
--2 = Papyrus
|
|
--3 = Dry shrub
|
|
is_ground_content = true,
|
|
groups = {crumbly=3,melts=2,falling_node=1},
|
|
drop = 'snow:snow_block',
|
|
sounds = default.node_sound_dirt_defaults({
|
|
footstep = {name="default_grass_footstep", gain=0.4},
|
|
}),
|
|
--Update dirt node underneath snow.
|
|
after_destruct = function(pos, node, digger)
|
|
if node.param2 == 1 then
|
|
local n = minetest.env:get_node(pos).name
|
|
if n == "air" or n == "default:water_flowing" or n == "default:water_source" then
|
|
minetest.env:add_node(pos,{name="snow:moss",param2=1})
|
|
end
|
|
elseif node.param2 == 2 then
|
|
local n = minetest.env:get_node(pos).name
|
|
if n == "air" or n == "default:water_flowing" or n == "default:water_source" then
|
|
minetest.env:add_node(pos,{name="default:papyrus"})
|
|
end
|
|
elseif node.param2 == 3 then
|
|
local n = minetest.env:get_node(pos).name
|
|
if n == "air" or n == "default:water_flowing" or n == "default:water_source" then
|
|
minetest.env:add_node(pos,{name="default:dry_shrub"})
|
|
end
|
|
end
|
|
end,
|
|
})
|
|
|
|
--Snow brick.
|
|
minetest.register_node("snow:snow_brick", {
|
|
description = "Snow Brick",
|
|
tiles = {"snow_snow_brick.png"},
|
|
is_ground_content = true,
|
|
groups = {crumbly=3,melts=2},
|
|
drop = 'snow:snow_brick',
|
|
sounds = default.node_sound_dirt_defaults({
|
|
footstep = {name="default_grass_footstep", gain=0.4},
|
|
}),
|
|
})
|
|
|
|
--Ice.
|
|
minetest.register_node("snow:ice", {
|
|
description = "Ice",
|
|
tiles = {"snow_ice.png"},
|
|
is_ground_content = true,
|
|
groups = {snappy=2,cracky=3,melts=1},
|
|
drop = 'snow:ice',
|
|
paramtype = "light",
|
|
sunlight_propagates = true,
|
|
sounds = default.node_sound_glass_defaults({
|
|
footstep = {name="default_stone_footstep", gain=0.4},
|
|
}),
|
|
})
|
|
|
|
--Moss.
|
|
minetest.register_node("snow:moss", {
|
|
description = "Moss",
|
|
tiles = {"snow_moss.png"},
|
|
drawtype = "signlike",
|
|
paramtype = "light",
|
|
paramtype2 = "wallmounted",
|
|
walkable = false,
|
|
selection_box = {
|
|
type = "wallmounted",
|
|
},
|
|
is_ground_content = true,
|
|
groups = {crumbly=3, flammable=2},
|
|
})
|
|
|
|
minetest.register_craft({
|
|
output = 'snow:snow_block',
|
|
recipe = {
|
|
{'snow:snowball', 'snow:snowball'},
|
|
{'snow:snowball', 'snow:snowball'},
|
|
},
|
|
})
|
|
|
|
minetest.register_craft({
|
|
output = 'snow:snow_brick',
|
|
recipe = {
|
|
{'snow:snow_block', 'snow:snow_block'},
|
|
{'snow:snow_block', 'snow:snow_block'},
|
|
},
|
|
})
|
|
|
|
--Melting
|
|
--Any node part of the group melting will melt when near warm nodes such as lava, fire, torches, etc.
|
|
--The amount of water that replaces the node is defined by the number on the group:
|
|
--1: one water_source
|
|
--2: four water_flowings
|
|
--3: one water_flowing
|
|
minetest.register_abm({
|
|
nodenames = {"group:melts"},
|
|
neighbors = {"group:igniter","default:torch","default:furnace_active","group:hot"},
|
|
interval = 2,
|
|
chance = 2,
|
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
|
local intensity = minetest.get_item_group(node.name,"melts")
|
|
if intensity == 1 then
|
|
minetest.env:add_node(pos,{name="default:water_source"})
|
|
elseif intensity == 2 then
|
|
local check_place = function(pos,node)
|
|
if minetest.env:get_node(pos).name == "air" then
|
|
minetest.env:place_node(pos,node)
|
|
end
|
|
end
|
|
minetest.env:add_node(pos,{name="default:water_flowing"})
|
|
check_place({x=pos.x+1,y=pos.y,z=pos.z},{name="default:water_flowing"})
|
|
check_place({x=pos.x-1,y=pos.y,z=pos.z},{name="default:water_flowing"})
|
|
check_place({x=pos.x,y=pos.y+1,z=pos.z},{name="default:water_flowing"})
|
|
check_place({x=pos.x,y=pos.y-1,z=pos.z},{name="default:water_flowing"})
|
|
elseif intensity == 3 then
|
|
minetest.env:add_node(pos,{name="default:water_flowing"})
|
|
end
|
|
nodeupdate(pos)
|
|
end,
|
|
})
|
|
|
|
--Freezing
|
|
--Water freezes when in contact with snow.
|
|
minetest.register_abm({
|
|
nodenames = {"default:water_source"},
|
|
neighbors = {"snow:snow", "snow:snow_block"},
|
|
interval = 20,
|
|
chance = 4,
|
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
|
minetest.env:add_node(pos,{name="snow:ice"})
|
|
end,
|
|
})
|
|
|
|
--Spread moss to cobble.
|
|
minetest.register_abm({
|
|
nodenames = {"default:cobble"},
|
|
neighbors = {"snow:moss"},
|
|
interval = 20,
|
|
chance = 6,
|
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
|
minetest.env:add_node(pos,{name="default:mossycobble"})
|
|
end,
|
|
})
|
|
|
|
--Grow saplings
|
|
minetest.register_abm({
|
|
nodenames = {"snow:sapling_pine"},
|
|
interval = 10,
|
|
chance = 50,
|
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
|
snow.make_pine(pos,false)
|
|
end,
|
|
})
|
|
|
|
if snow.enable_snowfall then
|
|
|
|
--Snowing
|
|
snow_fall=function (pos)
|
|
local obj=minetest.env:add_entity(pos, "snow:fall_entity")
|
|
obj:setvelocity({x=0, y=-1, z=0})
|
|
end
|
|
|
|
-- The snowfall Entity
|
|
snow_fall_ENTITY={
|
|
physical = true,
|
|
timer=0,
|
|
textures = {"snow_snowfall.png"},
|
|
lastpos={},
|
|
collisionbox = {0,0,0,0,0,0},
|
|
}
|
|
|
|
|
|
-- snowfall_entity.on_step()--> called when snow is falling
|
|
snow_fall_ENTITY.on_step = function(self, dtime)
|
|
self.timer=self.timer+dtime
|
|
local pos = self.object:getpos()
|
|
local node = minetest.env:get_node(pos)
|
|
|
|
if self.lastpos and self.object:getvelocity().y == 0 then
|
|
if minetest.env:get_node({x=self.lastpos.x,z=self.lastpos.z,y=self.lastpos.y}).name == "snow:moss" then
|
|
minetest.env:add_node({x=self.lastpos.x,z=self.lastpos.z,y=self.lastpos.y},{name="snow:snow",param2=1})
|
|
self.object:remove()
|
|
return
|
|
end
|
|
minetest.env:place_node(self.lastpos,{name="snow:snow"})
|
|
self.object:remove()
|
|
end
|
|
|
|
self.lastpos={x=pos.x, y=pos.y, z=pos.z} -- Set lastpos-->Node will be added at last pos outside the node
|
|
end
|
|
|
|
minetest.register_entity("snow:fall_entity", snow_fall_ENTITY)
|
|
|
|
--Regenerate Snow
|
|
minetest.register_abm({
|
|
nodenames = {"default:dirt_with_grass", "default:desert_sand", "snow:moss"},
|
|
interval = 500,
|
|
chance = 150,
|
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
|
--Check we are in the right biome
|
|
local env = minetest.env
|
|
local perlin1 = env:get_perlin(112,3, 0.5, 150)
|
|
local test = perlin1:get2d({x=pos.x, y=pos.z})
|
|
local in_biome = false
|
|
local smooth = snow.smooth
|
|
if smooth and (test > 0.73 or (test > 0.43 and math.random(0,29) > (0.73 - test) * 100 )) then
|
|
in_biome = true
|
|
elseif not smooth and test > 0.53 then
|
|
in_biome = true
|
|
end
|
|
if in_biome then
|
|
--Check if block is under cover
|
|
local ground_y = nil
|
|
for y=15,0,-1 do
|
|
if env:get_node({x=pos.x,y=y+pos.y,z=pos.z}).name ~= "air" then
|
|
ground_y = pos.y+y
|
|
break
|
|
end
|
|
end
|
|
if ground_y then
|
|
local n = env:get_node({x=pos.x,y=ground_y,z=pos.z})
|
|
if (n.name ~= "snow:snow" and n.name ~= "snow:snow_block" and n.name ~= "snow:ice" and n.name ~= "default:water_source" and n.name ~= "default:papyrus") then
|
|
local obj = minetest.env:get_objects_inside_radius({x=pos.x,y=ground_y+20,z=pos.z}, 15)
|
|
for i,v in pairs(obj) do
|
|
e = v:get_luaentity()
|
|
if e ~= nil and e.name == "snow:fall_entity" then
|
|
return
|
|
end
|
|
end
|
|
snow_fall({x=pos.x,y=ground_y+15,z=pos.z})
|
|
if snow.debug then
|
|
print("snowfall at x"..pos.x.." y"..pos.z)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
})
|
|
end
|