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ComfyFactorio/modules/wave_defense/threat_events.lua
2021-02-10 21:21:29 +01:00

281 lines
8.6 KiB
Lua

local WD = require 'modules.wave_defense.table'
local threat_values = require 'modules.wave_defense.threat_values'
local Event = require 'utils.event'
local BiterRolls = require 'modules.wave_defense.biter_rolls'
local BiterHealthBooster = require 'modules.biter_health_booster_v2'
local math_random = math.random
local Public = {}
local function remove_unit(entity)
local active_biters = WD.get('active_biters')
local unit_number = entity.unit_number
if not active_biters[unit_number] then
return
end
local m = 1
local biter_health_boost_units = BiterHealthBooster.get('biter_health_boost_units')
if biter_health_boost_units[unit_number] then
m = 1 / biter_health_boost_units[unit_number][2]
end
local active_threat_loss = math.round(threat_values[entity.name] * m, 2)
local active_biter_threat = WD.get('active_biter_threat')
WD.set('active_biter_threat', active_biter_threat - active_threat_loss)
local active_biter_count = WD.get('active_biter_count')
WD.set('active_biter_count', active_biter_count - 1)
active_biters[unit_number] = nil
end
local function place_nest_near_unit_group()
local unit_groups = WD.get('unit_groups')
local random_group = WD.get('random_group')
local group = unit_groups[random_group]
if not group then
return
end
if not group.valid then
return
end
if not group.members then
return
end
if not group.members[1] then
return
end
local unit = group.members[math_random(1, #group.members)]
if not unit.valid then
return
end
local name = 'biter-spawner'
if math_random(1, 3) == 1 then
name = 'spitter-spawner'
end
local position = unit.surface.find_non_colliding_position(name, unit.position, 12, 1)
if not position then
return
end
local r = WD.get('nest_building_density')
if
unit.surface.count_entities_filtered(
{
type = 'unit-spawner',
force = unit.force,
area = {{position.x - r, position.y - r}, {position.x + r, position.y + r}}
}
) > 0
then
return
end
local spawner = unit.surface.create_entity({name = name, position = position, force = unit.force})
local nests = WD.get('nests')
nests[#nests + 1] = spawner
unit.surface.create_entity({name = 'blood-explosion-huge', position = position})
unit.surface.create_entity({name = 'blood-explosion-huge', position = unit.position})
remove_unit(unit)
unit.destroy()
local threat = WD.get('threat')
WD.set('threat', threat - threat_values[name])
return true
end
function Public.build_nest()
local threat = WD.get('threat')
if threat < 1024 then
return
end
local index = WD.get('index')
if index == 0 then
return
end
for _ = 1, 2, 1 do
if place_nest_near_unit_group() then
return
end
end
end
function Public.build_worm()
local threat = WD.get('threat')
if threat < 512 then
return
end
local worm_building_chance = WD.get('worm_building_chance')
if math_random(1, worm_building_chance) ~= 1 then
return
end
local index = WD.get('index')
if index == 0 then
return
end
local random_group = WD.get('random_group')
local unit_groups = WD.get('unit_groups')
local group = unit_groups[random_group]
if not group then
return
end
if not group.valid then
return
end
if not group.members then
return
end
if not group.members[1] then
return
end
local unit = group.members[math_random(1, #group.members)]
if not unit.valid then
return
end
local wave_number = WD.get('wave_number')
local position = unit.surface.find_non_colliding_position('assembling-machine-1', unit.position, 8, 1)
BiterRolls.wave_defense_set_worm_raffle(wave_number)
local worm = BiterRolls.wave_defense_roll_worm_name()
if not position then
return
end
local worm_building_density = WD.get('worm_building_density')
local r = worm_building_density
if
unit.surface.count_entities_filtered(
{
type = 'turret',
force = unit.force,
area = {{position.x - r, position.y - r}, {position.x + r, position.y + r}}
}
) > 0
then
return
end
unit.surface.create_entity({name = worm, position = position, force = unit.force})
unit.surface.create_entity({name = 'blood-explosion-huge', position = position})
unit.surface.create_entity({name = 'blood-explosion-huge', position = unit.position})
remove_unit(unit)
unit.destroy()
WD.set('threat', threat - threat_values[worm])
end
local function shred_simple_entities(entity)
local threat = WD.get('threat')
if threat < 25000 then
return
end
local simple_entities =
entity.surface.find_entities_filtered(
{
type = 'simple-entity',
area = {{entity.position.x - 3, entity.position.y - 3}, {entity.position.x + 3, entity.position.y + 3}}
}
)
if #simple_entities == 0 then
return
end
if #simple_entities > 1 then
table.shuffle_table(simple_entities)
end
local r = math.floor(threat * 0.00004)
if r < 1 then
r = 1
end
local count = math.random(1, r)
--local count = 1
local damage_dealt = 0
for i = 1, count, 1 do
if not simple_entities[i] then
break
end
if simple_entities[i].valid then
if simple_entities[i].health then
damage_dealt = damage_dealt + simple_entities[i].health
simple_entities[i].die('neutral', simple_entities[i])
end
end
end
if damage_dealt == 0 then
return
end
local simple_entity_shredding_cost_modifier = WD.get('simple_entity_shredding_cost_modifier')
local threat_cost = math.floor(damage_dealt * simple_entity_shredding_cost_modifier)
if threat_cost < 1 then
threat_cost = 1
end
WD.set('threat', threat - threat_cost)
end
local function spawn_unit_spawner_inhabitants(entity)
if entity.type ~= 'unit-spawner' then
return
end
local wave_number = WD.get('wave_number')
local count = 8 + math.floor(wave_number * 0.02)
if count > 128 then
count = 128
end
BiterRolls.wave_defense_set_unit_raffle(wave_number)
for _ = 1, count, 1 do
local position = {entity.position.x + (-4 + math.random(0, 8)), entity.position.y + (-4 + math.random(0, 8))}
if math.random(1, 4) == 1 then
entity.surface.create_entity({name = BiterRolls.wave_defense_roll_spitter_name(), position = position, force = 'enemy'})
else
entity.surface.create_entity({name = BiterRolls.wave_defense_roll_biter_name(), position = position, force = 'enemy'})
end
end
end
local function on_entity_died(event)
local entity = event.entity
if not entity.valid then
return
end
local disable_threat_below_zero = WD.get('disable_threat_below_zero')
local biter_health_boost = BiterHealthBooster.get('biter_health_boost')
if entity.type == 'unit' then
--acid_nova(entity)
if not threat_values[entity.name] then
return
end
if disable_threat_below_zero then
local threat = WD.get('threat')
if threat <= 0 then
WD.set('threat', 0)
threat = WD.get('threat')
end
WD.set('threat', math.round(threat - threat_values[entity.name] * biter_health_boost, 2))
remove_unit(entity)
else
local threat = WD.get('threat')
WD.set('threat', math.round(threat - threat_values[entity.name] * biter_health_boost, 2))
remove_unit(entity)
end
else
if entity.force.index == 2 then
if entity.health then
if threat_values[entity.name] then
local threat = WD.get('threat')
WD.set('threat', math.round(threat - threat_values[entity.name] * biter_health_boost, 2))
end
spawn_unit_spawner_inhabitants(entity)
end
end
end
if entity.force.index == 3 then
if event.cause then
if event.cause.valid then
if event.cause.force.index == 2 then
shred_simple_entities(entity)
end
end
end
end
end
Event.add(defines.events.on_entity_died, on_entity_died)
return Public