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https://github.com/ComfyFactory/ComfyFactorio.git
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106 lines
4.0 KiB
Lua
106 lines
4.0 KiB
Lua
local Public = {}
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local Event = require 'utils.event'
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local ScenarioTable = require 'maps.scrap_towny_ffa.table'
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local CommonFunctions = require 'utils.common'
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local zone_size = 100
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local beam_type = 'electric-beam-no-sound'
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local lifetime_ticks = 4 * 60 * 60 * 60
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local function draw_borders(zone)
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local surface = zone.surface
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local right = zone.box.right_bottom.x
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local left = zone.box.left_top.x
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local top = zone.box.left_top.y
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local bottom = zone.box.right_bottom.y
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surface.create_entity({name = beam_type, position = {right, top},
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source = {right, top}, target = {right, bottom + 1}}) -- intentional offset here to correct visual appearance
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surface.create_entity({name = beam_type, position = {right, bottom},
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source = {right, bottom}, target = {left, bottom}})
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surface.create_entity({name = beam_type, position = {left, bottom},
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source = {left, bottom}, target = {left, top}})
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surface.create_entity({name = beam_type, position = {left, top},
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source = {left, top}, target = {right, top}})
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end
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local function remove_drawn_borders(zone)
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for _, e in pairs(zone.surface.find_entities_filtered({area = zone.box, name = beam_type})) do
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if e.valid then
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e.destroy()
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end
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end
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end
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function Public.add_zone(surface, force, center)
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local this = ScenarioTable.get_table()
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local box = {left_top = {x = center.x - zone_size / 2, y = center.y - zone_size / 2},
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right_bottom = {x = center.x + zone_size / 2, y = center.y + zone_size / 2}}
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local zone = {surface = surface, force = force, center = center, box = box,
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lifetime_end = game.tick + lifetime_ticks}
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this.exclusion_zones[force.name] = zone
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draw_borders(zone)
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end
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function Public.remove_zone(zone)
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local this = ScenarioTable.get_table()
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remove_drawn_borders(zone)
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this.exclusion_zones[zone.force.name] = nil
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zone.force.print("Your protection zone has expired")
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end
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local function vector_norm(vector)
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return math.sqrt(vector.x ^ 2 + vector.y ^ 2)
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end
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local function update_zone_lifetime()
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local this = ScenarioTable.get_table()
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for _, zone in pairs(this.exclusion_zones) do
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if game.tick > zone.lifetime_end then
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Public.remove_zone(zone)
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end
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end
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end
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local function on_player_changed_position(event)
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local player = game.get_player(event.player_index)
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local surface = player.surface
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if not surface or not surface.valid then
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return
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end
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local this = ScenarioTable.get_table()
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for _, zone in pairs(this.exclusion_zones) do
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if not (zone.force == player.force or zone.force.get_friend(player.force)) then
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if CommonFunctions.point_in_bounding_box(player.position, zone.box) then
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local center_diff = { x = player.position.x - zone.center.x, y = player.position.y - zone.center.y}
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center_diff.x = center_diff.x / vector_norm(center_diff)
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center_diff.y = center_diff.y / vector_norm(center_diff)
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player.teleport({ player.position.x + center_diff.x, player.position.y + center_diff.y}, surface)
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if player.character then
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-- Kick players out of vehicles if they try to drive in
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if player.character.driving then
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player.character.driving = false
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end
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-- Damage player
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player.character.health = player.character.health - 25
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player.character.surface.create_entity({name = 'water-splash', position = player.position})
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if player.character.health <= 0 then
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player.character.die('enemy')
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end
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end
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end
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end
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end
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end
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Event.add(defines.events.on_player_changed_position, on_player_changed_position)
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Event.on_nth_tick(60, update_zone_lifetime)
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return Public
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