406 lines
15 KiB
Lua
406 lines
15 KiB
Lua
--[[
|
|
|
|
Core functions for Thirsty.
|
|
|
|
See init.lua for license.
|
|
|
|
]]
|
|
|
|
local PPA = thirsty.persistent_player_attributes
|
|
|
|
PPA.register({
|
|
name = 'thirsty_hydro',
|
|
min = 0,
|
|
max = 50,
|
|
default = 20,
|
|
})
|
|
|
|
function thirsty.on_joinplayer(player)
|
|
local name = player:get_player_name()
|
|
-- default entry for new players
|
|
if not thirsty.players[name] then
|
|
local pos = player:getpos()
|
|
thirsty.players[name] = {
|
|
last_pos = math.floor(pos.x) .. ':' .. math.floor(pos.z),
|
|
time_in_pos = 0.0,
|
|
pending_dmg = 0.0,
|
|
thirst_factor = 1.0,
|
|
}
|
|
end
|
|
thirsty.hud_init(player)
|
|
end
|
|
|
|
function thirsty.on_dieplayer(player)
|
|
local name = player:get_player_name()
|
|
local pl = thirsty.players[name]
|
|
-- reset after death
|
|
PPA.set_value(player, 'thirsty_hydro', 20)
|
|
pl.pending_dmg = 0.0
|
|
pl.thirst_factor = 1.0
|
|
end
|
|
|
|
--[[
|
|
|
|
Getters, setters and such
|
|
|
|
]]
|
|
|
|
function thirsty.drink(player, value, max)
|
|
-- if max is not specified, assume 20
|
|
if not max then
|
|
max = 20
|
|
end
|
|
local hydro = PPA.get_value(player, 'thirsty_hydro')
|
|
-- test whether we're not *above* max;
|
|
-- this function should not remove any overhydration
|
|
if hydro < max then
|
|
hydro = math.min(hydro + value, max)
|
|
--print("Drinking by "..value.." to "..hydro)
|
|
PPA.set_value(player, 'thirsty_hydro', hydro)
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
function thirsty.get_hydro(player)
|
|
return PPA.get_value(player, 'thirsty_hydro')
|
|
end
|
|
|
|
function thirsty.set_thirst_factor(player, factor)
|
|
local name = player:get_player_name()
|
|
local pl = thirsty.players[name]
|
|
pl.thirst_factor = factor
|
|
end
|
|
|
|
function thirsty.get_thirst_factor(player)
|
|
local name = player:get_player_name()
|
|
local pl = thirsty.players[name]
|
|
return pl.thirst_factor
|
|
end
|
|
|
|
--[[
|
|
|
|
Main Loop (Tier 0)
|
|
|
|
]]
|
|
|
|
function thirsty.main_loop(dtime)
|
|
-- get thirsty
|
|
thirsty.time_next_tick = thirsty.time_next_tick - dtime
|
|
while thirsty.time_next_tick < 0.0 do
|
|
-- time for thirst
|
|
thirsty.time_next_tick = thirsty.time_next_tick + thirsty.config.tick_time
|
|
for _,player in ipairs(minetest.get_connected_players()) do
|
|
|
|
if player:get_hp() <= 0 then
|
|
-- dead players don't get thirsty, or full for that matter :-P
|
|
break
|
|
end
|
|
|
|
local name = player:get_player_name()
|
|
local pos = player:getpos()
|
|
local pl = thirsty.players[name]
|
|
local hydro = PPA.get_value(player, 'thirsty_hydro')
|
|
|
|
-- how long have we been standing "here"?
|
|
-- (the node coordinates in X and Z should be enough)
|
|
local pos_hash = math.floor(pos.x) .. ':' .. math.floor(pos.z)
|
|
if pl.last_pos == pos_hash then
|
|
pl.time_in_pos = pl.time_in_pos + thirsty.config.tick_time
|
|
else
|
|
-- you moved!
|
|
pl.last_pos = pos_hash
|
|
pl.time_in_pos = 0.0
|
|
end
|
|
local pl_standing = pl.time_in_pos > thirsty.config.stand_still_for_drink
|
|
local pl_afk = pl.time_in_pos > thirsty.config.stand_still_for_afk
|
|
--print("Standing: " .. (pl_standing and 'true' or 'false' ) .. ", AFK: " .. (pl_afk and 'true' or 'false'))
|
|
|
|
pos.y = pos.y + 0.1
|
|
local node = minetest.get_node(pos)
|
|
local drink_per_second = thirsty.config.regen_from_node[node.name] or 0
|
|
|
|
-- fountaining (uses pos, slight changes ok)
|
|
for k, fountain in pairs(thirsty.fountains) do
|
|
local dx = fountain.pos.x - pos.x
|
|
local dy = fountain.pos.y - pos.y
|
|
local dz = fountain.pos.z - pos.z
|
|
local dist2 = dx * dx + dy * dy + dz * dz
|
|
local fdist = fountain.level * thirsty.config.fountain_distance_per_level -- max 100 nodes radius
|
|
--print (string.format("Distance from %s (%d): %f out of %f", k, fountain.level, math.sqrt(dist2), fdist ))
|
|
if dist2 < fdist * fdist then
|
|
-- in range, drink as if standing (still) in water
|
|
drink_per_second = math.max(thirsty.config.regen_from_fountain or 0, drink_per_second)
|
|
pl_standing = true
|
|
break -- no need to check the other fountains
|
|
end
|
|
end
|
|
|
|
-- amulets
|
|
-- TODO: I *guess* we need to optimize this, but I haven't
|
|
-- measured it yet. No premature optimizations!
|
|
local pl_inv = player:get_inventory()
|
|
local extractor_max = 0.0
|
|
local injector_max = 0.0
|
|
local container_not_full = nil
|
|
local container_not_empty = nil
|
|
local inv_main = player:get_inventory():get_list('main')
|
|
for i, itemstack in ipairs(inv_main) do
|
|
local name = itemstack:get_name()
|
|
local injector_this = thirsty.config.injection_for_item[name]
|
|
if injector_this and injector_this > injector_max then
|
|
injector_max = injector_this
|
|
end
|
|
local extractor_this = thirsty.config.extraction_for_item[name]
|
|
if extractor_this and extractor_this > extractor_max then
|
|
extractor_max = extractor_this
|
|
end
|
|
if thirsty.config.container_capacity[name] then
|
|
local wear = itemstack:get_wear()
|
|
-- can be both!
|
|
if wear == 0 or wear > 1 then
|
|
container_not_full = { i, itemstack }
|
|
end
|
|
if wear > 0 and wear < 65534 then
|
|
container_not_empty = { i, itemstack }
|
|
end
|
|
end
|
|
end
|
|
if extractor_max > 0.0 and container_not_full then
|
|
local i = container_not_full[1]
|
|
local itemstack = container_not_full[2]
|
|
local capacity = thirsty.config.container_capacity[itemstack:get_name()]
|
|
local wear = itemstack:get_wear()
|
|
if wear == 0 then wear = 65535.0 end
|
|
local drink = extractor_max * thirsty.config.tick_time
|
|
local drinkwear = drink / capacity * 65535.0
|
|
wear = wear - drinkwear
|
|
if wear < 1 then wear = 1 end
|
|
itemstack:set_wear(wear)
|
|
player:get_inventory():set_stack("main", i, itemstack)
|
|
end
|
|
if injector_max > 0.0 and container_not_empty then
|
|
local i = container_not_empty[1]
|
|
local itemstack = container_not_empty[2]
|
|
local capacity = thirsty.config.container_capacity[itemstack:get_name()]
|
|
local wear = itemstack:get_wear()
|
|
if wear == 0 then wear = 65535.0 end
|
|
local drink = injector_max * thirsty.config.tick_time
|
|
local drink_missing = 20 - hydro
|
|
drink = math.max(math.min(drink, drink_missing), 0)
|
|
local drinkwear = drink / capacity * 65535.0
|
|
wear = wear + drinkwear
|
|
if wear > 65534 then wear = 65534 end
|
|
itemstack:set_wear(wear)
|
|
thirsty.drink(player, drink, 20)
|
|
hydro = PPA.get_value(player, 'thirsty_hydro')
|
|
player:get_inventory():set_stack("main", i, itemstack)
|
|
end
|
|
|
|
|
|
if drink_per_second > 0 and pl_standing then
|
|
-- Drinking from the ground won't give you more than max
|
|
thirsty.drink(player, drink_per_second * thirsty.config.tick_time, 20)
|
|
--print("Raising hydration by "..(drink_per_second*thirsty.config.tick_time).." to "..PPA.get_value(player, 'thirsty_hydro'))
|
|
else
|
|
if not pl_afk then
|
|
-- only get thirsty if not AFK
|
|
local amount = thirsty.config.thirst_per_second * thirsty.config.tick_time * pl.thirst_factor
|
|
PPA.set_value(player, 'thirsty_hydro', hydro - amount)
|
|
hydro = PPA.get_value(player, 'thirsty_hydro')
|
|
--print("Lowering hydration by "..amount.." to "..hydro)
|
|
end
|
|
end
|
|
|
|
|
|
-- should we only update the hud on an actual change?
|
|
thirsty.hud_update(player, hydro)
|
|
|
|
-- damage, if enabled
|
|
if minetest.setting_getbool("enable_damage") then
|
|
-- maybe not the best way to do this, but it does mean
|
|
-- we can do anything with one tick loop
|
|
if hydro <= 0.0 and not pl_afk then
|
|
pl.pending_dmg = pl.pending_dmg + thirsty.config.damage_per_second * thirsty.config.tick_time
|
|
--print("Pending damage at " .. pl.pending_dmg)
|
|
if pl.pending_dmg > 1.0 then
|
|
local dmg = math.floor(pl.pending_dmg)
|
|
pl.pending_dmg = pl.pending_dmg - dmg
|
|
player:set_hp( player:get_hp() - dmg )
|
|
end
|
|
else
|
|
-- forget any pending damage when not thirsty
|
|
pl.pending_dmg = 0.0
|
|
end
|
|
end
|
|
end -- for players
|
|
|
|
-- check fountains for expiration
|
|
for k, fountain in pairs(thirsty.fountains) do
|
|
fountain.time_until_check = fountain.time_until_check - thirsty.config.tick_time
|
|
if fountain.time_until_check <= 0 then
|
|
-- remove fountain, the abm will set it again
|
|
--print("Removing fountain at " .. k)
|
|
thirsty.fountains[k] = nil
|
|
end
|
|
end
|
|
|
|
end
|
|
end
|
|
|
|
--[[
|
|
|
|
General handler
|
|
|
|
Most tools, nodes and craftitems use the same code, so here it is:
|
|
|
|
]]
|
|
|
|
function thirsty.drink_handler(player, itemstack, node)
|
|
local pl = thirsty.players[player:get_player_name()]
|
|
local hydro = PPA.get_value(player, 'thirsty_hydro')
|
|
local old_hydro = hydro
|
|
|
|
-- selectors, always true, to make the following code easier
|
|
local item_name = itemstack and itemstack:get_name() or ':'
|
|
local node_name = node and node.name or ':'
|
|
|
|
if thirsty.config.node_drinkable[node_name] then
|
|
-- we found something to drink!
|
|
local cont_level = thirsty.config.drink_from_container[item_name] or 0
|
|
local node_level = thirsty.config.drink_from_node[node_name] or 0
|
|
-- drink until level
|
|
local level = math.max(cont_level, node_level)
|
|
--print("Drinking to level " .. level)
|
|
thirsty.drink(player, level, level)
|
|
|
|
-- fill container, if applicable
|
|
if thirsty.config.container_capacity[item_name] then
|
|
--print("Filling a " .. item_name .. " to " .. thirsty.config.container_capacity[item_name])
|
|
itemstack:set_wear(1) -- "looks full"
|
|
end
|
|
|
|
elseif thirsty.config.container_capacity[item_name] then
|
|
-- drinking from a container
|
|
if itemstack:get_wear() ~= 0 then
|
|
local capacity = thirsty.config.container_capacity[item_name]
|
|
local hydro_missing = 20 - hydro;
|
|
if hydro_missing > 0 then
|
|
local wear_missing = hydro_missing / capacity * 65535.0;
|
|
local wear = itemstack:get_wear()
|
|
local new_wear = math.ceil(math.max(wear + wear_missing, 1))
|
|
if (new_wear > 65534) then
|
|
wear_missing = 65534 - wear
|
|
new_wear = 65534
|
|
end
|
|
itemstack:set_wear(new_wear)
|
|
if wear_missing > 0 then -- rounding glitches?
|
|
thirsty.drink(player, wear_missing * capacity / 65535.0, 20)
|
|
hydro = PPA.get_value(player, 'thirsty_hydro')
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- update HUD if value changed
|
|
if hydro ~= old_hydro then
|
|
thirsty.hud_update(player, hydro)
|
|
end
|
|
end
|
|
|
|
--[[
|
|
|
|
Adapters for drink_handler to on_use and on_rightclick slots.
|
|
These close over the next handler to call in a chain, if desired.
|
|
|
|
]]
|
|
|
|
function thirsty.on_use( old_on_use )
|
|
return function(itemstack, player, pointed_thing)
|
|
local node = nil
|
|
if pointed_thing and pointed_thing.type == 'node' then
|
|
node = minetest.get_node(pointed_thing.under)
|
|
end
|
|
|
|
thirsty.drink_handler(player, itemstack, node)
|
|
|
|
-- call original on_use, if provided
|
|
if old_on_use ~= nil then
|
|
return old_on_use(itemstack, player, pointed_thing)
|
|
else
|
|
return itemstack
|
|
end
|
|
end
|
|
end
|
|
|
|
function thirsty.on_rightclick( old_on_rightclick )
|
|
return function(pos, node, player, itemstack, pointed_thing)
|
|
|
|
thirsty.drink_handler(player, itemstack, node)
|
|
|
|
-- call original on_rightclick, if provided
|
|
if old_on_rightclick ~= nil then
|
|
return old_on_rightclick(pos, node, player, itemstack, pointed_thing)
|
|
else
|
|
return itemstack
|
|
end
|
|
end
|
|
end
|
|
|
|
--[[
|
|
|
|
Adapter to add "drink_handler" to any item (node, tool, craftitem).
|
|
|
|
]]
|
|
|
|
function thirsty.augment_item_for_drinking( itemname, level )
|
|
local new_definition = {}
|
|
-- we need to be able to point at the water
|
|
new_definition.liquids_pointable = true
|
|
-- call closure generator with original on_use handler
|
|
new_definition.on_use = thirsty.on_use(
|
|
minetest.registered_items[itemname].on_use
|
|
)
|
|
-- overwrite the node definition with almost the original
|
|
minetest.override_item(itemname, new_definition)
|
|
|
|
-- add configuration settings
|
|
thirsty.config.drink_from_container[itemname] = level
|
|
end
|
|
|
|
function thirsty.fountain_abm(pos, node)
|
|
local fountain_count = 0
|
|
local water_count = 0
|
|
local total_count = 0
|
|
for y = 0, thirsty.config.fountain_height do
|
|
for x = -y, y do
|
|
for z = -y, y do
|
|
local n = minetest.get_node({
|
|
x = pos.x + x,
|
|
y = pos.y - y + 1, -- start one *above* the fountain
|
|
z = pos.z + z
|
|
})
|
|
if n then
|
|
--print(string.format("%s at %d:%d:%d", n.name, pos.x+x, pos.y-y+1, pos.z+z))
|
|
total_count = total_count + 1
|
|
local type = thirsty.config.fountain_type[n.name] or ''
|
|
if type == 'f' then
|
|
fountain_count = fountain_count + 1
|
|
elseif type == 'w' then
|
|
water_count = water_count + 1
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
local level = math.min(thirsty.config.fountain_max_level, math.min(fountain_count, water_count))
|
|
--print(string.format("Fountain (%d): %d + %d / %d", level, fountain_count, water_count, total_count))
|
|
thirsty.fountains[string.format("%d:%d:%d", pos.x, pos.y, pos.z)] = {
|
|
pos = { x=pos.x, y=pos.y, z=pos.z },
|
|
level = level,
|
|
-- time until check is 20 seconds, or twice the average
|
|
-- time until the abm ticks again. Should be enough.
|
|
time_until_check = 20,
|
|
}
|
|
end
|