new module

maps/mountain_fortress_v2/main.lua

@@ -2,7 +2,7 @@
 
 --require "modules.flashlight_toggle_button"
 --require "modules.biter_noms_you"
-require "modules.biter_evasion_hp_increaser"
+require "modules.biter_health_booster"
 require "modules.wave_defense.main"
 require "functions.soft_reset"
 require "functions.basic_markets"
@@ -197,7 +197,7 @@ local function on_entity_died(event)
 	if event.entity == global.locomotive_cargo then	
 		game.print("The cargo was destroyed!")	
 		global.wave_defense.game_lost = true 
-		global.game_reset_tick = game.tick + 900
+		global.game_reset_tick = game.tick + 1800
 		for _, player in pairs(game.connected_players) do
 			player.play_sound{path="utility/game_lost", volume_modifier=0.75}
 		end

modules/biter_health_booster.lua

@@ -0,0 +1,73 @@
+-- Biters and Spitters gain additional health / resistance -- mewmew
+-- Use global.biter_health_boost to modify their health.
+-- 1 = vanilla health, 2 = 200% vanilla health
+-- do not use values below 1
+
+local function clean_table()
+	local units_to_delete = {}
+	
+	--Mark all health boost entries for deletion
+	for key, health in pairs(global.biter_health_boost_units) do
+		units_to_delete[key] = true
+	end
+	
+	--Remove valid health boost entries from deletion
+	for _, surface in pairs(game.surfaces) do
+		for _, unit in pairs(surface.find_entities_filtered({type = "unit"})) do
+			units_to_delete[unit.unit_number] = nil
+		end
+	end
+	
+	--Remove abandoned health boost entries
+	for key, _ in pairs(units_to_delete) do
+		global.biter_health_boost_units[key] = nil
+	end
+end
+
+local function on_entity_damaged(event)
+	if not event.entity.valid then return end
+	if event.entity.force.index ~= 2 then return end
+	if event.entity.type ~= "unit" then return end
+
+	--Create new health pool
+	if not global.biter_health_boost_units[event.entity.unit_number] then
+		global.biter_health_boost_units[event.entity.unit_number] = {
+			math.floor(event.entity.prototype.max_health * global.biter_health_boost),
+			math.round(1 / global.biter_health_boost, 5),
+		}
+		
+		--Perform a table cleanup every 5000 boosts
+		global.biter_health_boost_count = global.biter_health_boost_count + 1
+		if global.biter_health_boost_count % 5000 == 0 then clean_table() end
+	end
+	
+	--Reduce health pool
+	global.biter_health_boost_units[event.entity.unit_number][1] = global.biter_health_boost_units[event.entity.unit_number][1] - event.final_damage_amount
+	
+	--Set entity health relative to health pool
+	event.entity.health = global.biter_health_boost_units[event.entity.unit_number][1] * global.biter_health_boost_units[event.entity.unit_number][2]
+	
+	--Proceed to kill entity if health is 0
+	if event.entity.health > 0 then return end
+		
+	--Remove health pool
+	global.biter_health_boost_units[event.entity.unit_number] = nil
+	
+	if event.cause then
+		if event.cause.valid then
+			event.entity.die(event.entity.force, event.cause)
+			return
+		end
+	end
+	event.entity.die(event.entity.force)
+end
+
+local function on_init()
+	global.biter_health_boost = 1
+	global.biter_health_boost_units = {}
+	global.biter_health_boost_count = 0
+end
+
+local event = require 'utils.event'
+event.on_init(on_init)
+event.add(defines.events.on_entity_damaged, on_entity_damaged)

modules/wave_defense/main.lua

@@ -113,27 +113,28 @@ end
 
 local function set_enemy_evolution()
 	local evolution_factor = global.wave_defense.wave_number * 0.001
-	local evasion_factor = 1
+	local biter_health_boost = 1
 	local damage_increase = 0
 	
 	if evolution_factor > 1 then
-		evasion_factor = evasion_factor + (evolution_factor - 1) * 2
+		damage_increase = damage_increase + (evolution_factor - 1)
+		biter_health_boost = biter_health_boost + (evolution_factor - 1)
 		evolution_factor = 1
 	end
-	
+
 	if global.wave_defense.threat > 0 then
-		local m = math.round(global.wave_defense.threat / 50000, 3)
-		evasion_factor = evasion_factor + m
-		damage_increase = damage_increase + m * 0.5
+		local m = math.round(global.wave_defense.threat / 100000, 3)
+		biter_health_boost = biter_health_boost + m
+		damage_increase = damage_increase + m * 0.25
 	end
 
-	global.biter_evasion_health_increase_factor = evasion_factor
+	global.biter_health_boost = biter_health_boost
 	game.forces.enemy.set_ammo_damage_modifier("melee", damage_increase)
 	game.forces.enemy.set_ammo_damage_modifier("biological", damage_increase)
 	game.forces.enemy.evolution_factor = evolution_factor
 	
 	debug_print("evolution_factor: " .. evolution_factor)
-	debug_print("evasion_factor: " .. global.biter_evasion_health_increase_factor)
+	debug_print("biter_health_boost: " .. global.biter_health_boost)
 	debug_print("damage_increase: " .. game.forces.enemy.get_ammo_damage_modifier("melee"))	
 end
 
@@ -209,7 +210,7 @@ local function set_next_wave()
 	global.wave_defense.wave_number = global.wave_defense.wave_number + 1
 	global.wave_defense.group_size = global.wave_defense.wave_number * 2
 	if global.wave_defense.group_size > global.wave_defense.max_group_size then global.wave_defense.group_size = global.wave_defense.max_group_size end
-	global.wave_defense.threat = global.wave_defense.threat + global.wave_defense.wave_number * 2
+	global.wave_defense.threat = global.wave_defense.threat + math.floor(global.wave_defense.wave_number * 1.5)
 	global.wave_defense.last_wave = global.wave_defense.next_wave
 	global.wave_defense.next_wave = game.tick + global.wave_defense.wave_interval
 end
@@ -382,7 +383,7 @@ function reset_wave_defense()
 		game_lost = false,
 		threat = 0,
 		simple_entity_shredding_count_modifier = 0.0003,
-		simple_entity_shredding_cost_modifier = 0.007,		--threat cost for one health
+		simple_entity_shredding_cost_modifier = 0.01,		--threat cost for one health
 		nest_building_density = 64,										--lower values = more dense building
 		nest_building_chance = 4,											--high value = less chance
 		worm_building_density = 8,										--lower values = more dense building

modules/wave_defense/threat_events.lua

@@ -18,7 +18,7 @@ function build_nest()
 	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 position = unit.surface.find_non_colliding_position("biter-spawner", unit.position, 8, 1)
+	local position = unit.surface.find_non_colliding_position("rocket-silo", unit.position, 9, 1)
 	if not position then return end
 	local r = global.wave_defense.nest_building_density	
 	if unit.surface.count_entities_filtered({type = "unit-spawner", area = {{position.x - r, position.y - r},{position.x + r, position.y + r}}}) > 0 then return end
@@ -43,7 +43,7 @@ function build_worm()
 	if not unit.valid then return end
 	wave_defense_set_worm_raffle(global.wave_defense.wave_number)
 	local worm = wave_defense_roll_worm_name()
-	local position = unit.surface.find_non_colliding_position(worm, unit.position, 8, 1)
+	local position = unit.surface.find_non_colliding_position("biter-spawner", unit.position, 9, 1)
 	if not position then return end
 	local r = global.wave_defense.worm_building_density
 	if unit.surface.count_entities_filtered({type = "turret", area = {{position.x - r, position.y - r},{position.x + r, position.y + r}}}) > 0 then return end