Factorio: add Atomic Cliff Remover Trap (#4282)

worlds/factorio/Options.py

@@ -272,6 +272,12 @@ class AtomicRocketTrapCount(TrapCount):
     display_name = "Atomic Rocket Traps"
 
 
+class AtomicCliffRemoverTrapCount(TrapCount):
+    """Trap items that when received trigger an atomic rocket explosion on a random cliff.
+    Warning: there is no warning. The launch is instantaneous."""
+    display_name = "Atomic Cliff Remover Traps"
+
+
 class EvolutionTrapCount(TrapCount):
     """Trap items that when received increase the enemy evolution."""
     display_name = "Evolution Traps"
@@ -467,6 +473,7 @@ class FactorioOptions(PerGameCommonOptions):
     cluster_grenade_traps: ClusterGrenadeTrapCount
     artillery_traps: ArtilleryTrapCount
     atomic_rocket_traps: AtomicRocketTrapCount
+    atomic_cliff_remover_traps: AtomicCliffRemoverTrapCount
     attack_traps: AttackTrapCount
     evolution_traps: EvolutionTrapCount
     evolution_trap_increase: EvolutionTrapIncrease
@@ -500,6 +507,7 @@ option_groups: list[OptionGroup] = [
             ClusterGrenadeTrapCount,
             ArtilleryTrapCount,
             AtomicRocketTrapCount,
+            AtomicCliffRemoverTrapCount,
         ],
         start_collapsed=True
     ),

worlds/factorio/__init__.py

@@ -77,6 +77,7 @@ all_items["Grenade Trap"] = factorio_base_id - 4
 all_items["Cluster Grenade Trap"] = factorio_base_id - 5
 all_items["Artillery Trap"] = factorio_base_id - 6
 all_items["Atomic Rocket Trap"] = factorio_base_id - 7
+all_items["Atomic Cliff Remover Trap"] = factorio_base_id - 8
 
 
 class Factorio(World):
@@ -142,6 +143,7 @@ class Factorio(World):
                          self.options.grenade_traps + \
                          self.options.cluster_grenade_traps + \
                          self.options.atomic_rocket_traps + \
+                         self.options.atomic_cliff_remover_traps + \
                          self.options.artillery_traps
 
         location_pool = []
@@ -194,7 +196,8 @@ class Factorio(World):
     def create_items(self) -> None:
         self.custom_technologies = self.set_custom_technologies()
         self.set_custom_recipes()
-        traps = ("Evolution", "Attack", "Teleport", "Grenade", "Cluster Grenade", "Artillery", "Atomic Rocket")
+        traps = ("Evolution", "Attack", "Teleport", "Grenade", "Cluster Grenade", "Artillery", "Atomic Rocket",
+                 "Atomic Cliff Remover")
         for trap_name in traps:
             self.multiworld.itempool.extend(self.create_item(f"{trap_name} Trap") for _ in
                                             range(getattr(self.options,

worlds/factorio/data/mod/lib.lua

@@ -28,12 +28,23 @@ function random_offset_position(position, offset)
 end
 
 function fire_entity_at_players(entity_name, speed)
+    local entities = {}
     for _, player in ipairs(game.forces["player"].players) do
-        current_character = player.character
-        if current_character ~= nil then
-            current_character.surface.create_entity{name=entity_name,
-                position=random_offset_position(current_character.position, 128),
-                target=current_character, speed=speed}
+        if player.character ~= nil then
+            table.insert(entities, player.character)
         end
     end
+    return fire_entity_at_entities(entity_name, entities, speed)
+end
+
+function fire_entity_at_entities(entity_name, entities, speed)
+    for _, current_entity in ipairs(entities) do
+        local target = current_entity
+        if target.health == nil then
+            target = target.position
+        end
+        current_entity.surface.create_entity{name=entity_name,
+            position=random_offset_position(current_entity.position, 128),
+            target=target, speed=speed}
+    end
 end

worlds/factorio/data/mod_template/control.lua

@@ -737,6 +737,13 @@ end,
 ["Atomic Rocket Trap"] = function ()
     fire_entity_at_players("atomic-rocket", 0.1)
 end,
+["Atomic Cliff Remover Trap"] = function ()
+    local cliffs = game.surfaces["nauvis"].find_entities_filtered{type = "cliff"}
+
+    if #cliffs > 0 then
+        fire_entity_at_entities("atomic-rocket", {cliffs[math.random(#cliffs)]}, 0.1)
+    end
+end,
 }
 
 commands.add_command("ap-get-technology", "Grant a technology, used by the Archipelago Client.", function(call)