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server-nalc/mods/runes/api.lua
2015-05-26 23:37:16 +02:00

296 lines
10 KiB
Lua
Executable File

-- API of the rune mod --
-- Global namespace
runes = {}
runes.datas = {}
runes.datas.handlers = {}
runes.datas.items = {}
runes.datas.amulets = {}
runes.functions = {}
-- Simple rune register function
runes.functions.register_rune = function(parameters)
local runedef = {}
if not parameters.name then
minetest.log("ERROR","[runes] Cannot register rune : no name")
return
end
runedef.name = parameters.name
runedef.desc = parameters.description or ""
runedef.img = parameters.img or "default_stone.png"
if type(runedef.img) ~= "table" then
runedef.img = {
["minor"] = runedef.img .. "_minor.png",
["medium"] = runedef.img .. "_medium.png",
["major"] = runedef.img .. "_major.png",
}
end
runedef.type = parameters.type or "craftitem"
runedef.needed_mana = parameters.needed_mana or {["minor"] = 0, ["medium"] = 5, ["major"] = 10}
runes.datas.handlers[runedef.name] = {}
if runedef.type == "cube" then
for _, level in pairs({"minor", "medium", "major"}) do
minetest.register_node("runes:rune_" .. runedef.name .. "_" .. level, {
description = runedef.desc .. " ("..level..")",
tiles = {runedef.img[level]},
groups = {oddly_breakable_by_hand = 2, rune = 1},
after_place_node = function(pos, placer, itemstack, pointed_thing)
if placer and placer:is_player() then
local meta = minetest.get_meta(pos)
meta:set_string("owner",placer:get_player_name())
end
if runes.datas.handlers[runedef.name].on_place then
if mana.get(placer:get_player_name()) >= runedef.needed_mana[level] then
local answer = runes.datas.handlers[runedef.name].on_place(level, pos, placer, itemstack, pointed_thing)
-- True answer leads to no dicrease (generally because the handler did it itself)
if not answer then
mana.subtract(placer:get_player_name(),runedef.needed_mana[level])
end
else
minetest.chat_send_player(placer:get_player_name(),"Not enough mana (needed : " .. runedef.needed_mana[level] ..")")
end
end
end,
can_dig = function(pos, player)
if runes.datas.handlers[runedef.name].can_dig then
return runes.datas.handlers[runedef.name].can_dig(level, pos, player)
else
return true
end
end,
on_punch = function(pos, node, puncher, pointed_thing)
if runes.datas.handlers[runedef.name].on_punch then
if mana.get(puncher:get_player_name()) >= runedef.needed_mana[level] then
runes.datas.handlers[runedef.name].on_punch(level, pos, node, puncher, pointed_thing)
mana.subtract(puncher:get_player_name(),runedef.needed_mana[level])
else
minetest.chat_send_player(puncher:get_player_name(),"Not enough mana (needed : " .. runedef.needed_mana[level] ..")")
end
end
end,
--[[after_dig_node = function(pos, oldnode, oldmetadata, digger)
--if runes.datas.handlers[runedef.name].can_dig and runes.datas.handlers[runedef.name].can_dig(pos, digger) then
if runes.datas.handlers[runedef.name].on_dig then
if mana.get(digger:get_player_name()) >= runedef.needed_mana[level] then
runes.datas.handlers[runedef.name].on_dig(pos, oldnode, digger)
mana.subtract(digger:get_player_name(),runedef.needed_mana)
else
minetest.chat_send_player(digger:get_player_name(),"Not enough mana (needed : " .. runedef.needed_mana[level] ..")")
end
end
end
end,]]
})
end
elseif runedef.type == "plate" then
for _, level in pairs({"minor", "medium", "major"}) do
minetest.register_node("runes:rune_" .. runedef.name .. "_" .. level, {
description = runedef.desc .. " (" .. level .. ")",
paramtype = "light",
inventory_image = runedef.img[level],
sunlight_propagates = true,
walkable = false,
tiles = {runedef.img[level]},
groups = {rune = 1, oddly_breakable_by_hand = 2},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{-0.5, -0.5, -0.5, 0.5, -0.499, 0.5},
}
},
after_place_node = function(pos, placer, itemstack, pointed_thing)
if placer and placer:is_player() then
local meta = minetest.get_meta(pos)
meta:set_string("owner",placer:get_player_name())
end
if runes.datas.handlers[runedef.name].on_place then
if mana.get(placer:get_player_name()) >= runedef.needed_mana[level] then
local answer = runes.datas.handlers[runedef.name].on_place(level, pos, placer, itemstack, pointed_thing)
if not answer then
mana.subtract(placer:get_player_name(),runedef.needed_mana[level])
end
else
minetest.chat_send_player(placer:get_player_name(),"Not enough mana (needed : " .. runedef.needed_mana[level] ..")")
end
end
end,
can_dig = function(pos, player)
if runes.datas.handlers[runedef.name].can_dig then
return runes.datas.handlers[runedef.name].can_dig(level, pos, player)
else
return true
end
end,
on_punch = function(pos, node, puncher, pointed_thing)
if runes.datas.handlers[runedef.name].on_punch then
if mana.get(placer:get_player_name()) >= runedef.needed_mana[level] then
local answer = runes.datas.handlers[runedef.name].on_punch(level, pos, node, puncher, pointed_thing)
if not answer then
mana.subtract(placer:get_player_name(),runedef.needed_mana[level])
end
else
minetest.chat_send_player(placer:get_player_name(),"Not enough mana (needed : " .. runedef.needed_mana[level] ..")")
end
end
end,
})
end
elseif runedef.type == "craftitem" then
for _, level in pairs({"minor", "medium", "major"}) do
minetest.register_craftitem("runes:rune_" .. runedef.name .. "_" .. level, {
description = runedef.desc .. " (" .. level ..")",
inventory_image = runedef.img[level],
groups = {rune = 1},
on_use = function(itemstack, user, pointed_thing)
-- Let the handler do its job
if runes.datas.handlers[runedef.name].on_use then
if mana.get(user:get_player_name()) >= runedef.needed_mana[level] then
local answer = runes.datas.handlers[runedef.name].on_use(level, itemstack, user, pointed_thing)
if not answer then
mana.subtract(user:get_player_name(),runedef.needed_mana[level])
user:get_inventory():remove_item("main",{name = runedef.name .. "_" .. level})
end
else
minetest.chat_send_player(user:get_player_name(),"Not enough mana (needed : " .. runedef.needed_mana[level] ..")")
end
end
end
})
end
end
end
-- Handler connector
runes.functions.connect = function(itemname, callback, handler)
--[[ Available callback :
use
place
dig
can_dig
punch
]]
if not runes.datas.items[itemname] then
minetest.log("error","[runes] Cannot connect handler at " .. handler .. " to unknown item " .. itemname)
return
end
if callback == "use" then
runes.datas.handlers[itemname].on_use = handler
elseif callback == "place" then
runes.datas.handlers[itemname].on_place = handler
elseif callback == "dig" then
runes.datas.handlers[itemname].on_dig = handler
elseif callback == "can_dig" then
runes.datas.handlers[itemname].can_dig = handler
elseif callback == "punch" then
runes.datas.handlers[itemname].on_punch = handler
else
minetest.log("error","[runes] Cannot connect handler to item's " .. itemname .. " unknown " .. callback .. " callback")
return
end
end
-- Amulets
runes.functions.register_amulet = function(name, desc, maxcount, manadiff)
minetest.register_craftitem("runes:" .. name .. "_amulet", {
description = desc,
inventory_image = "runes_" .. name .. "_amulet.png",
groups = {amulet = 1, rune = 1},
stack_max = maxcount,
})
runes.datas.amulets[name] = manadiff
end
-- Inventory
unified_inventory.register_button("runes", {
type = "image",
image = "runes_heal_major.png",
})
unified_inventory.register_page("runes", {
get_formspec = function(player)
local name = player:get_player_name()
local formspec = "background[0,0.2;8,4;runes_rune_inventory.png]"..
"background[0,4.5;8,4;ui_wooden_chest_inventory.png]"..
"size[8,10]"..
"list[detached:"..name.."_runes;runes;0,0.2;8,4;]"
return {formspec=formspec}
end,
})
runes.functions.register_detached_inventory = function(player)
local name = player:get_player_name()
local player_inv = player:get_inventory()
local datafile = io.open(minetest.get_worldpath().."/runes/"..name.."_rune.inv", "r")
local rune_inv_data = {}
if datafile then
local line = datafile:read()
if line then
rune_inv_data = minetest.deserialize(line)
end
io.close(datafile)
end
local rune_inv = minetest.create_detached_inventory(name.."_runes",{
on_put = function(inv, listname, index, stack, player)
player:get_inventory():set_stack(listname, index, stack)
armor:set_player_armor(player)
armor:update_inventory(player)
end,
on_take = function(inv, listname, index, stack, player)
player:get_inventory():set_stack(listname, index, nil)
armor:set_player_armor(player)
armor:update_inventory(player)
end,
allow_put = function(inv, listname, index, stack, player)
if minetest.get_item_group(stack:get_name(), "rune") > 0 then
return stack:get_count()
end
return 0
end,
allow_take = function(inv, listname, index, stack, player)
return stack:get_count()
end,
allow_move = function(inv, from_list, from_index, to_list, to_index, count, player)
return count
end,
})
rune_inv:set_size("runes", 8*4)
rune_inv:set_list("runes",rune_inv_data)
minetest.log("action","[runes] Rune inventory loaded for player " .. name)
end
minetest.register_on_joinplayer(runes.functions.register_detached_inventory)
runes.functions.save_detached_inventory = function(player)
local name = player:get_player_name()
local player_inv = player:get_inventory()
local datafile = io.open(minetest.get_worldpath().."/runes/"..name.."_rune.inv", "w")
local rune_inv_data = minetest.get_inventory({type = "detached", name=name.."_runes"})
local translated_rune_data = {}
for index, data in pairs(rune_inv_data:get_list("runes")) do
translated_rune_data[index] = data:get_name() .. " " .. data:get_count()
end
if datafile then
datafile:write(minetest.serialize(translated_rune_data))
io.close(datafile)
end
minetest.log("action", "[runes] Rune inventory saved for player " .. name)
end
minetest.register_on_leaveplayer(runes.functions.save_detached_inventory)
minetest.register_on_shutdown(function()
for index, player in pairs(minetest.get_connected_players()) do
runes.functions.save_detached_inventory(player)
end
end)