3d_armor/3d_armor/api.lua

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-- support for i18n
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local S = minetest.get_translator(minetest.get_current_modname())
local skin_previews = {}
local use_player_monoids = minetest.global_exists("player_monoids")
local use_armor_monoid = minetest.global_exists("armor_monoid")
local use_pova_mod = minetest.get_modpath("pova")
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local armor_def = setmetatable({}, {
__index = function()
return setmetatable({
groups = setmetatable({}, {
__index = function()
return 0
end})
}, {
__index = function()
return 0
end
})
end,
})
local armor_textures = setmetatable({}, {
__index = function()
return setmetatable({}, {
__index = function()
return "blank.png"
end
})
end
})
armor = {
timer = 0,
elements = {"head", "torso", "legs", "feet"},
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physics = {"jump", "speed", "gravity"},
attributes = {"heal", "fire", "water"},
formspec = "image[2.5,0;2,4;armor_preview]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
default.get_hotbar_bg(0, 4.7)..
"list[current_player;main;0,4.7;8,1;]"..
"list[current_player;main;0,5.85;8,3;8]",
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def = armor_def,
textures = armor_textures,
default_skin = "character",
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materials = {
wood = "group:wood",
cactus = "default:cactus",
steel = "default:steel_ingot",
bronze = "default:bronze_ingot",
diamond = "default:diamond",
gold = "default:gold_ingot",
mithril = "moreores:mithril_ingot",
crystal = "ethereal:crystal_ingot",
},
fire_nodes = {
{"default:lava_source", 5, 8},
{"default:lava_flowing", 5, 8},
{"fire:basic_flame", 3, 4},
{"fire:permanent_flame", 3, 4},
{"ethereal:crystal_spike", 2, 1},
{"ethereal:fire_flower", 2, 1},
{"default:torch", 1, 1},
{"default:torch_ceiling", 1, 1},
{"default:torch_wall", 1, 1},
},
registered_groups = {["fleshy"]=100},
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registered_callbacks = {
on_update = {},
on_equip = {},
on_unequip = {},
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on_damage = {},
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on_destroy = {},
},
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migrate_old_inventory = true,
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version = "0.4.13",
get_translator = S
}
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armor.config = {
init_delay = 2,
init_times = 10,
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bones_delay = 1,
update_time = 1,
drop = minetest.get_modpath("bones") ~= nil,
destroy = false,
level_multiplier = 1,
heal_multiplier = 1,
material_wood = true,
material_cactus = true,
material_steel = true,
material_bronze = true,
material_diamond = true,
material_gold = true,
material_mithril = true,
material_crystal = true,
water_protect = true,
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fire_protect = minetest.get_modpath("ethereal") ~= nil,
punch_damage = true,
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}
-- Armor Registration
armor.register_armor = function(self, name, def)
minetest.register_tool(name, def)
end
armor.register_armor_group = function(self, group, base)
base = base or 100
self.registered_groups[group] = base
if use_armor_monoid then
armor_monoid.register_armor_group(group, base)
end
end
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-- Armor callbacks
armor.register_on_update = function(self, func)
if type(func) == "function" then
table.insert(self.registered_callbacks.on_update, func)
end
end
armor.register_on_equip = function(self, func)
if type(func) == "function" then
table.insert(self.registered_callbacks.on_equip, func)
end
end
armor.register_on_unequip = function(self, func)
if type(func) == "function" then
table.insert(self.registered_callbacks.on_unequip, func)
end
end
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armor.register_on_damage = function(self, func)
if type(func) == "function" then
table.insert(self.registered_callbacks.on_damage, func)
end
end
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armor.register_on_destroy = function(self, func)
if type(func) == "function" then
table.insert(self.registered_callbacks.on_destroy, func)
end
end
armor.run_callbacks = function(self, callback, player, index, stack)
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if stack then
local def = stack:get_definition() or {}
if type(def[callback]) == "function" then
def[callback](player, index, stack)
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end
end
local callbacks = self.registered_callbacks[callback]
if callbacks then
for _, func in pairs(callbacks) do
func(player, index, stack)
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end
end
end
armor.update_player_visuals = function(self, player)
if not player then
return
end
local name = player:get_player_name()
if self.textures[name] then
default.player_set_textures(player, {
self.textures[name].skin,
self.textures[name].armor,
self.textures[name].wielditem,
})
end
self:run_callbacks("on_update", player)
end
armor.set_player_armor = function(self, player)
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local name, armor_inv = self:get_valid_player(player, "[set_player_armor]")
if not name then
return
end
local state = 0
local count = 0
local material = {count=1}
local preview = armor:get_preview(name)
local texture = "3d_armor_trans.png"
local physics = {}
local attributes = {}
local levels = {}
local groups = {}
local change = {}
for _, phys in pairs(self.physics) do
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physics[phys] = 1
end
for _, attr in pairs(self.attributes) do
attributes[attr] = 0
end
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for group, _ in pairs(self.registered_groups) do
change[group] = 1
levels[group] = 0
end
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local list = armor_inv:get_list("armor")
if type(list) ~= "table" then
return
end
for i, stack in pairs(list) do
if stack:get_count() == 1 then
local def = stack:get_definition()
for _, element in pairs(self.elements) do
if def.groups["armor_"..element] then
if def.armor_groups then
for group, level in pairs(def.armor_groups) do
if levels[group] then
levels[group] = levels[group] + level
end
end
else
local level = def.groups["armor_"..element]
levels["fleshy"] = levels["fleshy"] + level
end
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break
end
-- DEPRECATED, use armor_groups instead
if def.groups["armor_radiation"] and levels["radiation"] then
levels["radiation"] = def.groups["armor_radiation"]
end
end
local item = stack:get_name()
local tex = def.texture or item:gsub("%:", "_")
tex = tex:gsub(".png$", "")
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local prev = def.preview or tex.."_preview"
prev = prev:gsub(".png$", "")
texture = texture.."^"..tex..".png"
preview = preview.."^"..prev..".png"
state = state + stack:get_wear()
count = count + 1
for _, phys in pairs(self.physics) do
local value = def.groups["physics_"..phys] or 0
physics[phys] = physics[phys] + value
end
for _, attr in pairs(self.attributes) do
local value = def.groups["armor_"..attr] or 0
attributes[attr] = attributes[attr] + value
end
local mat = string.match(item, "%:.+_(.+)$")
if material.name then
if material.name == mat then
material.count = material.count + 1
end
else
material.name = mat
end
end
end
for group, level in pairs(levels) do
if level > 0 then
level = level * armor.config.level_multiplier
if material.name and material.count == #self.elements then
level = level * 1.1
end
end
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local base = self.registered_groups[group]
self.def[name].groups[group] = level
if level > base then
level = base
end
groups[group] = base - level
change[group] = groups[group] / base
end
for _, attr in pairs(self.attributes) do
local mult = attr == "heal" and self.config.heal_multiplier or 1
self.def[name][attr] = attributes[attr] * mult
end
for _, phys in pairs(self.physics) do
self.def[name][phys] = physics[phys]
end
if use_armor_monoid then
armor_monoid.monoid:add_change(player, change, "3d_armor:armor")
else
-- Preserve immortal group (damage disabled for player)
local immortal = player:get_armor_groups().immortal
if immortal and immortal ~= 0 then
groups.immortal = 1
end
player:set_armor_groups(groups)
end
if use_player_monoids then
player_monoids.speed:add_change(player, physics.speed,
"3d_armor:physics")
player_monoids.jump:add_change(player, physics.jump,
"3d_armor:physics")
player_monoids.gravity:add_change(player, physics.gravity,
"3d_armor:physics")
elseif use_pova_mod then
-- only add the changes, not the default 1.0 for each physics setting
pova.add_override(name, "3d_armor", {
speed = physics.speed - 1,
jump = physics.jump - 1,
gravity = physics.gravity - 1,
})
pova.do_override(player)
else
player:set_physics_override(physics)
end
self.textures[name].armor = texture
self.textures[name].preview = preview
self.def[name].level = self.def[name].groups.fleshy or 0
self.def[name].state = state
self.def[name].count = count
self:update_player_visuals(player)
end
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armor.punch = function(self, player, hitter, time_from_last_punch, tool_capabilities)
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local name, armor_inv = self:get_valid_player(player, "[punch]")
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if not name then
return
end
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local set_state
local set_count
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local state = 0
local count = 0
local recip = true
local default_groups = {cracky=3, snappy=3, choppy=3, crumbly=3, level=1}
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local list = armor_inv:get_list("armor")
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for i, stack in pairs(list) do
if stack:get_count() == 1 then
local itemname = stack:get_name()
local use = minetest.get_item_group(itemname, "armor_use") or 0
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local damage = use > 0
local def = stack:get_definition() or {}
if type(def.on_punched) == "function" then
damage = def.on_punched(player, hitter, time_from_last_punch,
tool_capabilities) ~= false and damage == true
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end
if damage == true and tool_capabilities then
local damage_groups = def.damage_groups or default_groups
local level = damage_groups.level or 0
local groupcaps = tool_capabilities.groupcaps or {}
local uses = 0
damage = false
for group, caps in pairs(groupcaps) do
local maxlevel = caps.maxlevel or 0
local diff = maxlevel - level
if diff == 0 then
diff = 1
end
if diff > 0 and caps.times then
local group_level = damage_groups[group]
if group_level then
local time = caps.times[group_level]
if time then
local dt = time_from_last_punch or 0
if dt > time / diff then
if caps.uses then
uses = caps.uses * math.pow(3, diff)
end
damage = true
break
end
end
end
end
end
if damage == true and recip == true and hitter and
def.reciprocate_damage == true and uses > 0 then
local item = hitter:get_wielded_item()
if item and item:get_name() ~= "" then
item:add_wear(65535 / uses)
hitter:set_wielded_item(item)
end
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-- reciprocate tool damage only once
recip = false
end
end
if damage == true and hitter == "fire" then
damage = minetest.get_item_group(itemname, "flammable") > 0
end
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if damage == true then
self:damage(player, i, stack, use)
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set_state = self.def[name].state
set_count = self.def[name].count
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end
state = state + stack:get_wear()
count = count + 1
end
end
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if set_count and set_count ~= count then
state = set_state or state
count = set_count or count
end
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self.def[name].state = state
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self.def[name].count = count
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end
armor.damage = function(self, player, index, stack, use)
local old_stack = ItemStack(stack)
stack:add_wear(use)
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self:run_callbacks("on_damage", player, index, stack)
self:set_inventory_stack(player, index, stack)
if stack:get_count() == 0 then
self:run_callbacks("on_unequip", player, index, old_stack)
self:run_callbacks("on_destroy", player, index, old_stack)
self:set_player_armor(player)
end
end
armor.remove_all = function(self, player)
local name, armor_inv = self:get_valid_player(player, "[remove_all]")
if not name then
return
end
armor_inv:set_list("armor", {})
self:set_player_armor(player)
self:save_armor_inventory(player)
end
armor.get_player_skin = function(self, name)
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if (self.skin_mod == "skins" or self.skin_mod == "simple_skins") and skins.skins[name] then
return skins.skins[name]..".png"
elseif self.skin_mod == "u_skins" and u_skins.u_skins[name] then
return u_skins.u_skins[name]..".png"
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elseif self.skin_mod == "wardrobe" and wardrobe.playerSkins and wardrobe.playerSkins[name] then
return wardrobe.playerSkins[name]
end
return armor.default_skin..".png"
end
armor.add_preview = function(self, preview)
skin_previews[preview] = true
end
armor.get_preview = function(self, name)
local preview = string.gsub(armor:get_player_skin(name), ".png", "_preview.png")
if skin_previews[preview] then
return preview
end
return "character_preview.png"
end
armor.get_armor_formspec = function(self, name, listring)
if armor.def[name].init_time == 0 then
return "label[0,0;Armor not initialized!]"
end
local formspec = armor.formspec..
"list[detached:"..name.."_armor;armor;0,0.5;2,3;]"
if listring == true then
formspec = formspec.."listring[current_player;main]"..
"listring[detached:"..name.."_armor;armor]"
end
formspec = formspec:gsub("armor_preview", armor.textures[name].preview)
formspec = formspec:gsub("armor_level", armor.def[name].level)
for _, attr in pairs(self.attributes) do
formspec = formspec:gsub("armor_attr_"..attr, armor.def[name][attr])
end
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for group, _ in pairs(self.registered_groups) do
formspec = formspec:gsub("armor_group_"..group,
armor.def[name].groups[group])
end
return formspec
end
armor.get_element = function(self, item_name)
for _, element in pairs(armor.elements) do
if minetest.get_item_group(item_name, "armor_"..element) > 0 then
return element
end
end
end
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armor.serialize_inventory_list = function(self, list)
local list_table = {}
for _, stack in ipairs(list) do
table.insert(list_table, stack:to_string())
end
return minetest.serialize(list_table)
end
armor.deserialize_inventory_list = function(self, list_string)
local list_table = minetest.deserialize(list_string)
local list = {}
for _, stack in ipairs(list_table or {}) do
table.insert(list, ItemStack(stack))
end
return list
end
armor.load_armor_inventory = function(self, player)
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local _, inv = self:get_valid_player(player, "[load_armor_inventory]")
if inv then
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local meta = player:get_meta()
local armor_list_string = meta:get_string("3d_armor_inventory")
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if armor_list_string then
inv:set_list("armor",
self:deserialize_inventory_list(armor_list_string))
return true
end
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end
end
armor.save_armor_inventory = function(self, player)
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local _, inv = self:get_valid_player(player, "[save_armor_inventory]")
if inv then
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local meta = player:get_meta()
meta:set_string("3d_armor_inventory",
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self:serialize_inventory_list(inv:get_list("armor")))
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end
end
armor.update_inventory = function(self, player)
-- DEPRECATED: Legacy inventory support
end
armor.set_inventory_stack = function(self, player, i, stack)
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local _, inv = self:get_valid_player(player, "[set_inventory_stack]")
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if inv then
inv:set_stack("armor", i, stack)
self:save_armor_inventory(player)
end
end
armor.get_valid_player = function(self, player, msg)
msg = msg or ""
if not player then
minetest.log("warning", S("3d_armor: Player reference is nil @1", msg))
return
end
local name = player:get_player_name()
if not name then
minetest.log("warning", S("3d_armor: Player name is nil @1", msg))
return
end
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local inv = minetest.get_inventory({type="detached", name=name.."_armor"})
if not inv then
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minetest.log("warning", S("3d_armor: Detached armor inventory is nil @1", msg))
return
end
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return name, inv
end
armor.drop_armor = function(pos, stack)
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local node = minetest.get_node_or_nil(pos)
if node then
local obj = minetest.add_item(pos, stack)
if obj then
obj:set_velocity({x=math.random(-1, 1), y=5, z=math.random(-1, 1)})
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end
end
end