minetest/data/mods/experimental/init.lua

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--
-- Experimental things
--
-- An example furnace-thing implemented in Lua
minetest.register_node("experimental:luafurnace", {
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tile_images = {"lava.png", "furnace_side.png", "furnace_side.png",
"furnace_side.png", "furnace_side.png", "furnace_front.png"},
--inventory_image = "furnace_front.png",
inventory_image = minetest.inventorycube("furnace_front.png"),
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paramtype = "facedir_simple",
metadata_name = "generic",
material = digprop_stonelike(3.0),
})
minetest.register_on_placenode(function(pos, newnode, placer)
if newnode.name == "experimental:luafurnace" then
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print("get_meta");
local meta = minetest.env:get_meta(pos)
print("inventory_set_list");
meta:inventory_set_list("fuel", {""})
print("inventory_set_list");
meta:inventory_set_list("src", {""})
print("inventory_set_list");
meta:inventory_set_list("dst", {"","","",""})
print("set_inventory_draw_spec");
meta:set_inventory_draw_spec(
"invsize[8,9;]"
.."list[current_name;fuel;2,3;1,1;]"
.."list[current_name;src;2,1;1,1;]"
.."list[current_name;dst;5,1;2,2;]"
.."list[current_player;main;0,5;8,4;]"
)
local total_cooked = 0;
print("set_string")
meta:set_string("total_cooked", total_cooked)
print("set_infotext");
meta:set_infotext("Lua Furnace: total cooked: "..total_cooked)
end
end)
minetest.register_abm({
nodenames = {"experimental:luafurnace"},
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interval = 1.0,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
local meta = minetest.env:get_meta(pos)
local fuellist = meta:inventory_get_list("fuel")
local srclist = meta:inventory_get_list("src")
local dstlist = meta:inventory_get_list("dst")
if fuellist == nil or srclist == nil or dstlist == nil then
return
end
_, srcitem = stackstring_take_item(srclist[1])
_, fuelitem = stackstring_take_item(fuellist[1])
if not srcitem or not fuelitem then return end
if fuelitem.type == "node" then
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local prop = minetest.registered_nodes[fuelitem.name]
if prop == nil then return end
if prop.furnace_burntime < 0 then return end
else
return
end
local resultstack = nil
if srcitem.type == "node" then
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local prop = minetest.registered_nodes[srcitem.name]
if prop == nil then return end
if prop.cookresult_item == "" then return end
resultstack = prop.cookresult_item
else
return
end
if resultstack == nil then
return
end
dstlist[1], success = stackstring_put_stackstring(dstlist[1], resultstack)
if not success then
return
end
fuellist[1], _ = stackstring_take_item(fuellist[1])
srclist[1], _ = stackstring_take_item(srclist[1])
meta:inventory_set_list("fuel", fuellist)
meta:inventory_set_list("src", srclist)
meta:inventory_set_list("dst", dstlist)
local total_cooked = meta:get_string("total_cooked")
total_cooked = tonumber(total_cooked) + 1
meta:set_string("total_cooked", total_cooked)
meta:set_infotext("Lua Furnace: total cooked: "..total_cooked)
end,
})
minetest.register_craft({
output = 'node "experimental:luafurnace" 1',
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recipe = {
{'node "cobble"', 'node "cobble"', 'node "cobble"'},
{'node "cobble"', 'node "cobble"', 'node "cobble"'},
{'node "cobble"', 'node "cobble"', 'node "cobble"'},
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}
})
--
-- Random stuff
--
--[[
minetest.register_tool("horribletool", {
image = "lava.png",
basetime = 2.0
dt_weight = 0.2
dt_crackiness = 0.2
dt_crumbliness = 0.2
dt_cuttability = 0.2
basedurability = 50
dd_weight = -5
dd_crackiness = -5
dd_crumbliness = -5
dd_cuttability = -5
})
--]]
minetest.register_craft({
output = 'node "somenode" 4',
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recipe = {
{'craft "Stick" 1'},
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}
})
minetest.register_node("experimental:somenode", {
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tile_images = {"lava.png", "mese.png", "stone.png", "grass.png", "cobble.png", "tree_top.png"},
inventory_image = minetest.inventorycube("lava.png", "mese.png", "stone.png"),
--inventory_image = "treeprop.png",
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material = {
diggability = "normal",
weight = 0,
crackiness = 0,
crumbliness = 0,
cuttability = 0,
flammability = 0
},
metadata_name = "chest",
})
--
-- TNT (not functional)
--
minetest.register_craft({
output = 'node "experimental:tnt" 4',
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recipe = {
{'node "wood" 1'},
{'craft "lump_of_coal" 1'},
{'node "wood" 1'}
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}
})
minetest.register_node("experimental:tnt", {
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tile_images = {"tnt_top.png", "tnt_bottom.png", "tnt_side.png", "tnt_side.png", "tnt_side.png", "tnt_side.png"},
inventory_image = "tnt_side.png",
dug_item = '', -- Get nothing
material = {
diggability = "not",
},
})
minetest.register_on_punchnode(function(p, node)
if node.name == "experimental:tnt" then
minetest.env:remove_node(p)
minetest.env:add_luaentity(p, "experimental:tnt")
nodeupdate(p)
end
end)
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local TNT = {
-- Static definition
physical = true, -- Collides with things
-- weight = 5,
collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
visual = "cube",
textures = {"tnt_top.png","tnt_bottom.png","tnt_side.png","tnt_side.png","tnt_side.png","tnt_side.png"},
-- Initial value for our timer
timer = 0,
-- Number of punches required to defuse
health = 1,
blinktimer = 0,
blinkstatus = true,
}
-- Called when a TNT object is created
function TNT:on_activate(staticdata)
print("TNT:on_activate()")
self.object:setvelocity({x=0, y=4, z=0})
self.object:setacceleration({x=0, y=-10, z=0})
self.object:settexturemod("^[brighten")
end
-- Called periodically
function TNT:on_step(dtime)
--print("TNT:on_step()")
self.timer = self.timer + dtime
self.blinktimer = self.blinktimer + dtime
if self.blinktimer > 0.5 then
self.blinktimer = self.blinktimer - 0.5
if self.blinkstatus then
self.object:settexturemod("")
else
self.object:settexturemod("^[brighten")
end
self.blinkstatus = not self.blinkstatus
end
end
-- Called when object is punched
function TNT:on_punch(hitter)
print("TNT:on_punch()")
self.health = self.health - 1
if self.health <= 0 then
self.object:remove()
hitter:add_to_inventory("node TNT 1")
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hitter:set_hp(hitter:get_hp() - 1)
end
end
-- Called when object is right-clicked
function TNT:on_rightclick(clicker)
--pos = self.object:getpos()
--pos = {x=pos.x, y=pos.y+0.1, z=pos.z}
--self.object:moveto(pos, false)
end
--print("TNT dump: "..dump(TNT))
--print("Registering TNT");
minetest.register_entity("experimental:tnt", TNT)
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--
-- A test entity for testing animated and yaw-modulated sprites
--
minetest.register_entity("experimental:testentity", {
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-- Static definition
physical = true, -- Collides with things
-- weight = 5,
collisionbox = {-0.7,-1.35,-0.7, 0.7,1.0,0.7},
--collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
visual = "sprite",
visual_size = {x=2, y=3},
textures = {"dungeon_master.png^[makealpha:128,0,0^[makealpha:128,128,0"},
spritediv = {x=6, y=5},
initial_sprite_basepos = {x=0, y=0},
on_activate = function(self, staticdata)
print("testentity.on_activate")
self.object:setsprite({x=0,y=0}, 1, 0, true)
--self.object:setsprite({x=0,y=0}, 4, 0.3, true)
-- Set gravity
self.object:setacceleration({x=0, y=-10, z=0})
-- Jump a bit upwards
self.object:setvelocity({x=0, y=10, z=0})
end,
on_punch = function(self, hitter)
self.object:remove()
hitter:add_to_inventory('craft testobject1 1')
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end,
})
--
-- More random stuff
--
minetest.register_on_respawnplayer(function(player)
print("on_respawnplayer")
-- player:setpos({x=0, y=30, z=0})
-- return true
end)
minetest.register_on_generated(function(minp, maxp)
--print("on_generated: minp="..dump(minp).." maxp="..dump(maxp))
--cp = {x=(minp.x+maxp.x)/2, y=(minp.y+maxp.y)/2, z=(minp.z+maxp.z)/2}
--minetest.env:add_node(cp, {name="sand"})
end)
-- Example setting get
print("setting max_users = " .. dump(minetest.setting_get("max_users")))
print("setting asdf = " .. dump(minetest.setting_get("asdf")))
minetest.register_on_chat_message(function(name, message)
--[[print("on_chat_message: name="..dump(name).." message="..dump(message))
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local cmd = "/testcommand"
if message:sub(0, #cmd) == cmd then
print(cmd.." invoked")
return true
end
local cmd = "/help"
if message:sub(0, #cmd) == cmd then
print("script-overridden help command")
minetest.chat_send_all("script-overridden help command")
return true
end]]
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end)
-- Grow papyrus on TNT every 10 seconds
--[[minetest.register_abm({
nodenames = {"TNT"},
interval = 10.0,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
print("TNT ABM action")
pos.y = pos.y + 1
minetest.env:add_node(pos, {name="papyrus"})
end,
})]]
-- Replace texts of alls signs with "foo" every 10 seconds
--[[minetest.register_abm({
nodenames = {"sign_wall"},
interval = 10.0,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
print("ABM: Sign text changed")
local meta = minetest.env:get_meta(pos)
meta:set_text("foo")
end,
})]]
--[[local ncpos = nil
local ncq = 1
local ncstuff = {
{2, 1, 0, 3}, {3, 0, 1, 2}, {4, -1, 0, 1}, {5, -1, 0, 1}, {6, 0, -1, 0},
{7, 0, -1, 0}, {8, 1, 0, 3}, {9, 1, 0, 3}, {10, 1, 0, 3}, {11, 0, 1, 2},
{12, 0, 1, 2}, {13, 0, 1, 2}, {14, -1, 0, 1}, {15, -1, 0, 1}, {16, -1, 0, 1},
{17, -1, 0, 1}, {18, 0, -1, 0}, {19, 0, -1, 0}, {20, 0, -1, 0}, {21, 0, -1, 0},
{22, 1, 0, 3}, {23, 1, 0, 3}, {24, 1, 0, 3}, {25, 1, 0, 3}, {10, 0, 1, 2}
}
local ncold = {}
local nctime = nil
minetest.register_abm({
nodenames = {"dirt_with_grass"},
interval = 100000.0,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
if ncpos ~= nil then
return
end
if pos.x % 16 ~= 8 or pos.z % 16 ~= 8 then
return
end
pos.y = pos.y + 1
n = minetest.env:get_node(pos)
print(dump(n))
if n.name ~= "air" then
return
end
pos.y = pos.y + 2
ncpos = pos
nctime = os.clock()
minetest.env:add_node(ncpos, {name="nyancat"})
end
})
minetest.register_abm({
nodenames = {"nyancat"},
interval = 1.0,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
if ncpos == nil then
return
end
if pos.x == ncpos.x and pos.y == ncpos.y and pos.z == ncpos.z then
clock = os.clock()
if clock - nctime < 0.1 then
return
end
nctime = clock
s0 = ncstuff[ncq]
ncq = s0[1]
s1 = ncstuff[ncq]
p0 = pos
p1 = {x = p0.x + s0[2], y = p0.y, z = p0.z + s0[3]}
p2 = {x = p1.x + s1[2], y = p1.y, z = p1.z + s1[3]}
table.insert(ncold, 1, p0)
while #ncold >= 10 do
minetest.env:add_node(ncold[#ncold], {name="air"})
table.remove(ncold, #ncold)
end
minetest.env:add_node(p0, {name="nyancat_rainbow"})
minetest.env:add_node(p1, {name="nyancat", param1=s0[4]})
minetest.env:add_node(p2, {name="air"})
ncpos = p1
end
end,
})--]]