2018-08-13 22:01:13 +02:00
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local Event = require 'utils.event'
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local Market_items = require 'resources.market_items'
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local Global = require 'utils.global'
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2018-09-11 01:08:22 +02:00
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local Donators = require 'resources.donators'
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local UserGroups = require 'user_groups'
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2018-09-23 00:25:13 +02:00
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local Game = require 'utils.game'
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2018-09-11 01:08:22 +02:00
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local train_perk_flag = Donators.donator_perk_flags.train
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2018-08-13 22:01:13 +02:00
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local saviour_token_name = 'small-plane' -- item name for what saves players
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local saviour_timeout = 180 -- number of ticks players are train immune after getting hit (roughly)
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2018-09-11 01:08:22 +02:00
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table.insert(
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Market_items,
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{price = {{Market_items.market_item, 100}}, offer = {type = 'give-item', item = saviour_token_name}}
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)
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2018-08-13 22:01:13 +02:00
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local remove_stack = {name = saviour_token_name, count = 1}
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local saved_players = {}
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Global.register(
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saved_players,
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function(tbl)
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saved_players = tbl
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end
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)
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local train_names = {
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['locomotive'] = true,
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['cargo-wagon'] = true,
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['fluid-wagon'] = true,
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['artillery-wagon'] = true
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}
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local function save_player(player)
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player.character.health = 1
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local pos = player.surface.find_non_colliding_position('player', player.position, 100, 2)
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if not pos then
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return
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end
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player.teleport(pos, player.surface)
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end
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local function on_pre_death(event)
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local cause = event.cause
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if not cause or not cause.valid then
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return
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end
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if not train_names[cause.name] then
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return
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end
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local player_index = event.player_index
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2018-09-22 22:07:05 +02:00
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local player = Game.players[player_index]
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2018-08-13 22:01:13 +02:00
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if not player or not player.valid then
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return
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end
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local tick = saved_players[player_index]
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local game_tick = game.tick
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if tick and game_tick - tick <= saviour_timeout then
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save_player(player)
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return
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end
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2018-09-11 01:08:22 +02:00
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local player_name = player.name
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2018-09-11 01:20:12 +02:00
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if UserGroups.player_has_donator_perk(player_name, train_perk_flag) then
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2018-09-11 01:08:22 +02:00
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saved_players[player_index] = game_tick
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save_player(player)
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game.print(player_name .. ' has been saved from a train death as a perk of donating to the server.')
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return
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end
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2018-08-13 22:01:13 +02:00
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local saviour_tokens = player.get_item_count(saviour_token_name)
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if saviour_tokens < 1 then
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return
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end
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player.remove_item(remove_stack)
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saved_players[player_index] = game_tick
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save_player(player)
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game.print(
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table.concat {
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2018-09-11 01:08:22 +02:00
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player_name,
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2018-08-13 22:01:13 +02:00
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' has been saved from a train death. Their ',
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saviour_token_name,
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' survival item has be used up.'
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}
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)
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end
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Event.add(defines.events.on_pre_player_died, on_pre_death)
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