132 lines
3.9 KiB
Lua
132 lines
3.9 KiB
Lua
local modpath = minetest.get_modpath(minetest.get_current_modname())
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mcl_burning = {
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-- the storage table holds a list of objects (players,luaentities) and tables
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-- associated with these objects. These tables have the following attributes:
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-- burn_time:
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-- Remaining time that object will burn.
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-- fire_damage_timer:
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-- Timer for dealing damage every second while burning.
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-- fire_hud_id:
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-- HUD id of the flames animation on a burning player's HUD.
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-- animation_frame:
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-- The HUD's current animation frame, used by update_hud().
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-- collisionbox_cache:
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-- Used by mcl_burning.get_collisionbox() to avoid recalculations.
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storage = {}
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}
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dofile(modpath .. "/api.lua")
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local pairs = pairs
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local get_connected_players = minetest.get_connected_players
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local get_item_group = minetest.get_item_group
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minetest.register_globalstep(function(dtime)
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for _, player in pairs(get_connected_players()) do
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local storage = mcl_burning.storage[player]
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if not mcl_burning.tick(player, dtime, storage) and not mcl_burning.is_affected_by_rain(player) then
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local nodes = mcl_burning.get_touching_nodes(player, {"group:puts_out_fire", "group:set_on_fire"}, storage)
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local burn_time = 0
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for _, pos in pairs(nodes) do
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local node = minetest.get_node(pos)
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if get_item_group(node.name, "puts_out_fire") > 0 then
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burn_time = 0
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break
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end
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local value = get_item_group(node.name, "set_on_fire")
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if value > burn_time then
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burn_time = value
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end
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end
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if burn_time > 0 then
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mcl_burning.set_on_fire(player, burn_time)
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end
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end
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end
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end)
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minetest.register_on_respawnplayer(function(player)
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mcl_burning.extinguish(player)
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end)
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minetest.register_on_joinplayer(function(player)
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local storage = {}
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local burn_data = player:get_meta():get_string("mcl_burning:data")
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if burn_data ~= "" then
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storage = minetest.deserialize(burn_data) or storage
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end
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mcl_burning.storage[player] = storage
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if storage.burn_time and storage.burn_time > 0 then
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mcl_burning.update_hud(player)
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end
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end)
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local function on_leaveplayer(player)
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local storage = mcl_burning.storage[player]
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if not storage then
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-- For some unexplained reasons, mcl_burning.storage can be `nil` here.
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-- Logging this exception to assist in finding the cause of this.
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minetest.log("warning", "on_leaveplayer: missing mcl_burning.storage "
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.. "for player " .. player:get_player_name())
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storage = {}
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end
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storage.fire_hud_id = nil
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player:get_meta():set_string("mcl_burning:data", minetest.serialize(storage))
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mcl_burning.storage[player] = nil
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end
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minetest.register_on_leaveplayer(function(player)
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on_leaveplayer(player)
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end)
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minetest.register_on_shutdown(function()
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for _,player in ipairs(minetest.get_connected_players()) do
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on_leaveplayer(player)
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end
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end)
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local animation_frames = tonumber(minetest.settings:get("fire_animation_frames")) or 8
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minetest.register_entity("mcl_burning:fire", {
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initial_properties = {
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physical = false,
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collisionbox = {0, 0, 0, 0, 0, 0},
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visual = "upright_sprite",
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textures = {
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"mcl_burning_entity_flame_animated.png",
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"mcl_burning_entity_flame_animated.png"
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},
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spritediv = {x = 1, y = animation_frames},
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pointable = false,
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glow = -1,
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backface_culling = false,
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},
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_mcl_animation_timer = 0,
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on_activate = function(self)
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self.object:set_sprite({x = 0, y = 0}, animation_frames, 1.0 / animation_frames)
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end,
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on_step = function(self, dtime)
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local parent = self.object:get_attach()
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if not parent then
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self.object:remove()
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return
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end
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local storage = mcl_burning.get_storage(parent)
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if not storage or not storage.burn_time then
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self.object:remove()
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return
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end
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if parent:is_player() then
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self._mcl_animation_timer = self._mcl_animation_timer + dtime
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if self._mcl_animation_timer >= 0.1 then
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self._mcl_animation_timer = 0
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mcl_burning.update_hud(parent)
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end
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end
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end,
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})
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