9 Commits

Author	SHA1	Message	Date
FloPinguin	bcd9cd6af5	Cache shared-water computation for nation port placement 💧 (#3696) ... ## Description: - Cache `sharedWaterComponents` globally with a 30-tick (~3s) TTL so all nations share one `O(total_border_tiles)` pass instead of each nation re-scanning every other player's border on every call. - Treat ocean as always-shared: any ocean neighbor short-circuits as a valid port site, skipping the `getWaterComponent` lookup in both the build pass and the per-tile port check. - Exclude bots and mutually-embargoed players from the trade-partner candidate set, so nations no longer avoid port sites that only "share" water with a player they can never trade with. Port placement is not time-critical, so the 3-second staleness is acceptable and lets the expensive build amortize across many attack cycles. ### Performance Benchmarked on World map (2000×1000, 61 nations) with the realistic call pattern of ~3 nations invoking `sharedWaterComponents` per tick: - **Before (main):** ~414 μs per tick - **After:** ~8 μs per tick amortized (29/30 ticks hit the warm cache; 1/30 rebuilds) - **~50× faster** on this AI hot path ## Please complete the following: - [X] I have added screenshots for all UI updates - [X] I process any text displayed to the user through translateText() and I've added it to the en.json file - [X] I have added relevant tests to the test directory - [X] I confirm I have thoroughly tested these changes and take full responsibility for any bugs introduced ## Please put your Discord username so you can be contacted if a bug or regression is found: FloPinguin	2026-04-17 17:34:45 -07:00
FloPinguin	9821e8e041	Add host cheats for streamers (Specifically Enzo) ⭐ (#3671) ... ## Description: - Adds a "Host Cheats" toggle in the private lobby options section that reveals a dedicated section with four host-only cheats: infinite gold, infinite troops, gold multiplier, and starting gold - Only the lobby creator receives the cheat effects in-game (checked via `isLobbyCreator` in DefaultConfig) - Joining players see active host cheats displayed as yellow badges in the lobby UI - Adds `hostCheats` optional object to `GameConfigSchema` and wires it through the server config update whitelist - Raises the intent size limit for `update_game_config` messages (lobby-only, not stored in turn history) to prevent rate-limiter kicks (I always got too-much-data-kicked after selecting "host cheats" lol) <img width="861" height="525" alt="image" src="https://github.com/user-attachments/assets/51e51ec4-c2e8-46ca-b258-11a93487964f" /> <img width="933" height="825" alt="image" src="https://github.com/user-attachments/assets/5acbd38d-2097-42e1-ba78-0fb17d6afe82" /> ## Please complete the following: - [X] I have added screenshots for all UI updates - [X] I process any text displayed to the user through translateText() and I've added it to the en.json file - [X] I have added relevant tests to the test directory - [X] I confirm I have thoroughly tested these changes and take full responsibility for any bugs introduced ## Please put your Discord username so you can be contacted if a bug or regression is found: FloPinguin	2026-04-15 15:20:08 -07:00
FloPinguin	17c1a6300f	Trading in lakes 🚤 (#3653) ... ## Description: - Widened port placement and warship spawn/patrol checks from `isOcean`/`isOceanShore` to `isWater`/`isShore`, so ports can be built on lake shores and ships can operate on lakes, we discussed it here: <img width="996" height="423" alt="image" src="https://github.com/user-attachments/assets/acf1e970-9631-4848-a0ed-6d0470616e1d" /> - Filtered `tradingPorts()` by water component so ports only attempt trades with reachable ports - prevents silent path-not-found failures across disconnected water bodies - Applied the same water component filter when a captured trade ship reroutes to its new owner's nearest port - Removed the `WaterManager` fallback that force-marked isolated water-nuked-tiles as ocean (no longer needed since lakes are now navigable) - Added a check to prevent nations from building ports on water bodies that aren't accessible to other players ## Please complete the following: - [X] I have added screenshots for all UI updates - [X] I process any text displayed to the user through translateText() and I've added it to the en.json file - [X] I have added relevant tests to the test directory - [X] I confirm I have thoroughly tested these changes and take full responsibility for any bugs introduced ## Please put your Discord username so you can be contacted if a bug or regression is found: FloPinguin --------- Co-authored-by: Evan <evanpelle@gmail.com>	2026-04-12 17:18:52 -07:00
Evan	3e65d08942	reduce train gold after each city (#3400) ... ## Description: Now that cities snap to existing rails, it's possible to line up dozens of cities in a row, producing way too much gold. This PR reduces the gold after each stop to prevent that. Gold only starts decreasing after the 3rd city. ## Please complete the following: - [x] I have added screenshots for all UI updates - [x] I process any text displayed to the user through translateText() and I've added it to the en.json file - [x] I have added relevant tests to the test directory - [x] I confirm I have thoroughly tested these changes and take full responsibility for any bugs introduced ## Please put your Discord username so you can be contacted if a bug or regression is found: evan	2026-03-10 20:16:47 -07:00
VariableVince	e137fcaa6c	Fix/Perf/Refactor: playerActions and buildableUnits, their callers and related types (#3220) ... ## Description: TL;DR: it's faster. buildableUnits is called via PlayerView.actions from UnitDisplay (each tick without TileRef), BuildMenu (each tick when open), MainRadialMenu (each tick when open), PlayerPanel (each tick when open), StructureIconsLayer (when placing a building from build bar), NukeTrajectoryPreviewLayer (when placing nuke, on tick when tile changes), ClientGameRunner (on click to attack/auto-boat or hotkey B or G). After https://github.com/openfrontio/OpenFrontIO/pull/3213 got merged, the change with largest impact in https://github.com/openfrontio/OpenFrontIO/pull/3193 was done in such a different way that a new PR was needed The idea in 3193 was to not always ask for Transport Ship from buildableUnits. In such a way that very little extra data was send to the worker. This had the biggest impact on performance (the idea was months older btw, see https://github.com/openfrontio/OpenFrontIO/pull/2295). Now, we do it the other way around, by telling buildableUnits all unit types we want. Or we want them all (undefined). The downside is more data is send in the worker message. The upside is we have more options and can add more in this PR. This PR implements some of the leftovers in 3193 on top of 3213 and adds further improvements. (Some unrelated refactor/perf changes where moved out of this PR and into already merged https://github.com/openfrontio/OpenFrontIO/pull/3233, https://github.com/openfrontio/OpenFrontIO/pull/3234, https://github.com/openfrontio/OpenFrontIO/pull/3235, https://github.com/openfrontio/OpenFrontIO/pull/3236, https://github.com/openfrontio/OpenFrontIO/pull/3237, https://github.com/openfrontio/OpenFrontIO/pull/3238, https://github.com/openfrontio/OpenFrontIO/pull/3239) - **GameRunner**, **WorkerMessages**: _playerActions_ and _PlayerActionsMessage ._ Option to ask for no buildable units (null). It now has 3 modes: get all actions and all buildings (units undefined), get all actions and no buildings (units null), or get all actions and specific building (units contains Unit Types). - **GameRunner**: _playerActions_. fixes wrong assumption in PR 3213: that only if units was undefined, we have to know canAttack. ClientGameRunner wants to know both, in case of a click on non-bordering land, to decide if it should auto-boat using a Transport Ship. So units is not undefined (we only ask for Transport Ship now which has a positive effect on performance for each click/tap) but we need canAttack still. Solved by removing the unit === undefined check before _canAttack_ in _playerActions_. - **GameRunner**, **GameView**, **WorkerClient**, **WorkerMessages**, **Worker.worker**: added _playerBuildables_ / _buildables_ next to existing _playerActions_ / _actions_. With above solved, there was still no option to only get buildable units when the actions are not needed. While **StructureIconsLayer**, **NukeTrajectoryPreviewLayer**, **BuildMenu** and **UnitDisplay** need only that. To not make playerActions more convoluted with more params or so, i've added a new function _playerBuildables_ in **GameView** to only get buildable units (**GameRunner** _playerBuildables_). _playerBuildables_ has 2 modes: get all buildings (units undefined) or get specific buildings (units contains Unit Types). Also update some comments that mentioned .actions in **NukeTrajectoryPreviewLayer**. - **ClientGameRunner**, **PlayerPanel**, **BuildMenu**, **UnitDisplay**, **StructureIconsLayer** and **NukeTrajectoryPreviewLayer**: Since PR 3213, **StructureIconsLayer** and **NukeTrajectoryPreviewLayer** ask for specific types of units from **GameView** _actions_ (**GameRunner** playerActions). Now have the other files do the same. For example **BuildMenu** asks for the new _BuildMenuTypes_ when it calls ._buildables_ and **ClientGameRunner** asks for UnitType.TransportShip when sending a boat - **ClientGameRunner**: canBoatAttack now accepts BuildableUnit[] instead of PlayerActions so we can send it either actions.buildableUnits or just buildables. Have functions call myPlayer.buildables(tileRef, [UnitType.TransportShip]) when we only need a buildable unit and no actions. Or myPlayer.actions(tileRef, null) when we need actions but no buildable units. Or myPlayer.actions(tileRef, [UnitType.TransportShip]) when we need both actions, like canAttack, and a buildable unit. Then if needed send either actions.buildableUnits or buildables to to _canAutoBoat_ / _canBoatAttack_. - **MainRadialMenu**: needs all player buildable unit types including Transport Ship, so the _actions_ call argument for unit types can stay undefined (unchanged) there. - **MainRadialMenu**: now that **BuildMenu** uses _playerBuildables_ instead of _playerActions_, we must put data in _this.buildMenu.playerBuildables_. And since we're not putting the (unneeded) full _actions_ in there anymore, we can now put only the needed and expected _actions._buildableUnits_ in it. - **Game**, **PlayerImpl**, **StructureIconsLayer**: Typesafety and some added perf: new type _PlayerBuildableUnitType_ (see also the below point for how it is formed). So callers of _buildableUnits_ can never ask for the wrong type like e.g. UnitType.Train because it doesn't return data for that type. This type is now used in **PlayerImpl**, **BuildMenu**, **RadialMenuElements**, **StructureDrawingUtils** and **UnitDisplay** for that reason. And **InputHandler**, **StructureIconsLayer** and **UIState** (little more on that in point below). - **InputHandler**, **StructureIconsLayer**, **UIState**: In order to make type safety work for GhostUnit.buildableUnit.type too (line ~217 of StructureIconsLayer), changed type of interface _BuildableUnit_ to _PlayerBuildableType_. Which is only more accurate. Same for and this.structures and uiState.ghostStructure and with the latter, _renderUnitItem_ in **UnitDisplay** and _setGhostStructure_ in **InputHandler**. All Structures are of PlayerBuildableType (there are even some in PlayerBuildables that aren't Structures, but it is much more confined than UnitType). - **Game**: Typesafety and some added perf: added _BuildMenus_ and _BuildableAttacks_ in the same fashion that the existing StructureTypes was already used (simplified it a bit too, with it renamed _StructureTypes_ to _Structures_ and removed _isStructureType_). They can be used with .types or .has(). _BuildableAttacks_.has() is used in **RadialMenuElements**. _BuildableAttacks_ and existing _Structures_ now make up _BuildMenus_. Which is used in **BuildMenu**, **StructureIconsLayer** and **UnitDisplay**. Then _BuildMenus_ together with UnitType.TransportShip make up the _PlayerBuildables_. Which is used in **PlayerImpl** _buildableUnits_ (see point below). And with _PlayerBuildableUnits_ we get the new _PlayerBuildableUnitType_ (see above point on Game / PlayerImpl). - **RadialMenuElements**: replace non-central ATTACK_UNIT_TYPES in **RadialMenuElements** with centralized _BuildableAttackTypes_ too. Use _PlayerBuildableUnitType_ for more type safety (can't by mistake add UnitType.Train to its build menu). Make use of _BuildableAttackTypes_ instead of adding items hardcoded line by line in _getAllEnabledUnits_, just like we already did since PR 3239 with _StructureTypes_. And use _BuildableAttacks.types_ in the same fashion that existing _isStructureTypes_ (now Structures.types) was already used elsewhere. - **PlayerImpl**: _buildableUnits_ -- would do Object.values(UnitTypes) on every call. Now for better perf directly loop over player buildable units by using _PlayerBuildables_ (see above point). In this way we also exclude MIRVWarhead, TradeShip, Train, SamMissile and Shell so there are less unit types to loop through by default. Since a player doesn't build those by themselves, they are only build by Executions which use _canBuild_ directly and not _buildableUnits_. -- for more performance, do for loop instead of using .map and .filter, no intermediate array needed nor callback overhead. We just loop over the given units (which if undefined will contain _PlayerBuildables_). Also pre-allocate the results array to get the most out of it, even if V8 might already be very good at this. -- cache config, railNetwork and inSpawnPhase so they can be re-used inside the for loop. -- cache cost inside the loop -- it would check twice for tile!==null to decide to call findUnitToUpgrade and canBuild. Now once. -- eliminated double/triple checks for the same thing. It called _findUnitToUpgrade_ (and with that _canUpgradeUnit_) and then _canBuild_ which both check if player has enough gold for the cost of the unit type. And they both check if the unit type is disabled. Now we call private functions _canBuildUnitType_, _canUpgradeUnitType_ to first do checks on unit type level for early returns, and _findExistingUnitToUpgrade_ to find existing unit without doing anything extra. in a specific order to check everything only once. The public functions _findUnitToUpgrade_ and _canBuild_ have an unchanged functionality and we don't call them from _buildableUnits_ anymore. -- would get _overlappingRailRoads_ and _computeGhostRailPaths_ when canBuild was true. But this data is only meant for **StructureIconsLayer** and it logically only uses it when placing a new unit, not when upgrading one. Which is also commented on line 351 of **StructureIconsLayer**. So, we now only get overlapping railroads and ghost rails if we're not hovering to upgrade an existing unit. - **PlayerImpl**: _findUnitToUpgrade_: unchanged functionality, but have it call new private function _findExistingUnitToUpgrade_ to find existing unit. - **PlayerImpl**: _canBuild_: unchanged functionality, but have it call new private function _canBuildUnitType_ to do the checks it first did itself. And then new private function _canSpawnUnitType_ for the rest of the checks. This way we can call _canBuildUnitType_ and _canSpawnUnitType_ from _buildableUnits_ in a specific order to prevent double/triple checks. - **PlayerImpl**: _canBuildUnitType_: new private function to be shared by _buildableUnits_, _canBuild_ and _canUpgradeUnit_ to be able do unit type level checks in a specific order to prevent double/triple checks. Via parameter knownCost, _buildableUnits_ can send it the cost it already fetched so that it doesn't have to be fetched again. For caller _canUpgradeUnit_, the isAlive() check (which was previously only done in canBuild) is new but harmless, maybe even better to have also check isAlive() on upgrade now that Nations are also upgrading which might prevent some edge case bugs. - **PlayerImpl**: _canUpgradeUnitType_: new private function to be shared by _buildableUnits_ and _canUpgradeUnit_ to be able do unit type level checks in a specific order to prevent double/triple checks. - **PlayerImpl**: _canSpawnUnitType_: new private function to be shared by _buildableUnits_ and _canBuildUnit_ to be able do unit type level checks in a specific order to prevent double/triple checks. - **PlayerImpl**: _findExistingUnitToUpgrade_: new private function to be shared by _buildableUnits_ and _findUnitToUpgrade_ to be able do unit level checks in a specific order to prevent double/triple checks. - **PlayerImpl**: _isUnitValidToUpgrade_: new private function to be shared by _buildableUnits_ and _canUpgradeUnit_ to be able do unit level checks in a specific order to prevent double/triple checks. - **PlayerImpl.test.ts**: because of the isAlive() check in which is new for _canUpgradeUnit_ (see above at _canBuildUnitType_), the tests needed to have the players be alive at the start, in order to pass. - **BuildMenu**: use .find instead of .filter in canBuildOrUpgrade, a function we already needed to change. This is faster and prevents an allocation. **PERFORMANCE** As for calling ._buildables_ instead of unnecessarily getting ._actions_, there is an obvious win because there's less to send calculate and recieve. Also asking for only the needed buildings helps a lot (especially if TradeShip isn't needed, see the difference in benchmark in original #3193). But the real-world impact is hard to measure. gave it a try in #3193 and those results should be even better now. Now testing only _buildableUnits_ performance in a synthetic benchmark, we get these results. This is after other performance improvments so the base is already better than it was in original #3193: **BEFORE** (only buildableUnits itself) <img width="602" height="96" alt="image" src="https://github.com/user-attachments/assets/7770c0fa-a35e-42fc-90de-1de83242ec23" /> **AFTER** (only buildableUnits itself) <img width="603" height="91" alt="image" src="https://github.com/user-attachments/assets/a1578382-7010-4160-937c-7117bad18beb" /> ## Please complete the following: - [x] I have added screenshots for all UI updates - [x] I process any text displayed to the user through translateText() and I've added it to the en.json file - [x] I have added relevant tests to the test directory - [x] I confirm I have thoroughly tested these changes and take full responsibility for any bugs introduced ## Please put your Discord username so you can be contacted if a bug or regression is found: tryout33 --------- Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>	2026-03-04 11:32:45 -08:00
Mattia Migliorini	6a30d2b38b	Smarter factory placement for Nation AI 🤖 (#3244) ... ## Description: Introduces a dedicated `factoryValue()` scoring function for AI factory placement, replacing the generic `interiorStructureValue()` previously shared with cities and missile silos. Scoring criteria: - High elevation and spacing from other factories (unchanged from city/silo logic) - Rail connectivity: bonus per distinct rail cluster reachable within `trainStationMaxRange`, weighted by trade gold potential — allied clusters score highest (1.0), team/neutral clusters score ~0.71, own clusters ~0.29 (based on `config.tradeGold()` values). Based on difficulty - Cluster deduplication: connecting to the same cluster multiple times does not inflate the score - Embargoed and bot neighbors are excluded; all other non-embargoed neighbors are included The result is that the AI tends to place factories where they can bridge separate rail networks or connect to high-value trade partners, rather than deep in its own interior. ### EDIT Added a dedicated `cityValue()` scoring function that takes into account the connectivity score. This allows placement of cities in a "factory-aware" way, while also enforcing spreading structures (we want the network to grow, not a cluster of cities and factories all together). ## Please complete the following: - [x] I have added screenshots for all UI updates - [x] I process any text displayed to the user through translateText() and I've added it to the en.json file - [x] I have added relevant tests to the test directory - [x] I confirm I have thoroughly tested these changes and take full responsibility for any bugs introduced ## Please put your Discord username so you can be contacted if a bug or regression is found: deshack_82603 --------- Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>	2026-02-21 21:12:44 -06:00
FloPinguin	f09d9a3a5f	Nations can overwhelm SAMs now 💥 (+ 3 little nation improvements) (#3246) ... ## Description: ### SAM Overwhelming (`NationNukeBehavior.ts`) On Impossible difficulty, nations can now destroy enemy SAMs by overwhelming them with coordinated atom bomb salvos. When no good nuke target is found (all trajectories intercepted by SAMs), the nations will: - Identify the easiest enemy SAM to destroy (lowest level first) - Calculate the total interception capacity of all covering SAMs and send enough bombs to overwhelm them (+1 extra per 5 needed to account for enemy building more SAMs during flight) - Plan launches in NukeExecution's Manhattan-distance silo order, tracking which silos have interceptable trajectories (wasted bombs) - Use a sliding window over parabolic flight times to find the best cluster of bombs that can arrive within half the SAM cooldown window - Compute per-bomb wait ticks to synchronize arrivals from silos at different distances - Skip launching if a salvo is already in flight - Upgrade the best SAM-protected silo when silo capacity is insufficient; wait and save gold when only gold is lacking https://github.com/user-attachments/assets/14fa592f-2902-4604-8e37-1eba2b2f0b85 ### 2-Player Endgame Handling (`NationNukeBehavior.ts`) - On Hard/Impossible with only 2 players remaining, `findBestNukeTarget()` directly targets the other player (bypasses all priority logic) - `getPerceivedNukeCost()` returns actual cost (no MIRV saving inflation) when only 2 players are left ### SAM Build Rate (`NationStructureBehavior.ts`) - Reduced SAM perceived cost increase per owned from 1.0 to 0.5, so nations build more SAMs ### Island Attack Variety (`AiAttackBehavior.ts`) - `findNearestIslandEnemy()` now collects up to 2 reachable candidates and has a 33% chance to pick the second-nearest, adding variety to boat attack targeting ## Please complete the following: - [X] I have added screenshots for all UI updates - [X] I process any text displayed to the user through translateText() and I've added it to the en.json file - [X] I have added relevant tests to the test directory - [X] I confirm I have thoroughly tested these changes and take full responsibility for any bugs introduced ## Please put your Discord username so you can be contacted if a bug or regression is found: FloPinguin	2026-02-20 23:16:03 -06:00
VariableVince	348ccfc2c3	Perf/small refactor: NationStructureBehavio (#3237) ... ## Description: PR 5/x in effort to break up PR https://github.com/openfrontio/OpenFrontIO/pull/3220. Follows on already merged https://github.com/openfrontio/OpenFrontIO/pull/3236. Please see if these can be merged for v30. **NationStructureBehavior**: - maybeSpawnStructure: cache this.game to be used twice. - maybeSpawnStructure: instead of hardcoded ruling out Defense Post for upgrade check, check dynamically if type is upgradable. That way if defense posts ever do become upgradable, we don't run into a bug right away. - maybeUpgradeStructure: removed canUpgradeUnit check. Since it already checked this right before in findBestStructureToUpgrade, so only upgradable units are returned. And canUpgradeUnit is also checked right after in UpgradeStructureExecution. So we're going from 3 times to 2 times canUpgradeUnit, small perf win too. - findBestStructureToUpgrade: cache this.game to be used thrice. - shouldBuildStructure: cache this.game.config() to be used twice. - getTotalStructureDensity: this.player.units can handle an array of unit types to count. Input StructureTypes like this so we don't need a loop and count, and only have to get an array length once. getTotalStructureDensity needs to ignore unit levels so we can't make use of other pre-defined functions in PlayerImpl (which were created to avoid array length calls), but at least this saves a few. ## Please complete the following: - [x] I have added screenshots for all UI updates - [x] I process any text displayed to the user through translateText() and I've added it to the en.json file - [x] I have added relevant tests to the test directory - [x] I confirm I have thoroughly tested these changes and take full responsibility for any bugs introduced ## Please put your Discord username so you can be contacted if a bug or regression is found: tryout33	2026-02-18 22:23:01 +00:00
FloPinguin	f7da20ddfd	Nation build order improvements + Nation structure upgrading 🏠 (#3152) ... Resolves #2997 ## Description: ### New stuff - Nations can upgrade structures now. They do it if they have too many structures compared to their territory size - They prefer to upgrade stuff thats protected by SAMs (based on difficulty) - Updated the build order, it also depends a bit on the difficulty now (easy nations build less SAMs) - Nations can handle extreme amounts of gold now. 500M starting gold? no problem. Previously they only built cities - They stop saving up for MIRV if they can afford it (in some old Enzo "impossible difficulty experiment" videos you could see nations with like 300M gold...) - The save-up-target changes when bombs / hydros / MIRVs are disabled - Added many checks for disabled units. For example: Don't build SAMs when missile silos are disabled, focus on factories when ports are disabled - Updated the `structureSpawnTileValue` method, SAM-placement depends a bit on the difficulty now ### Refactor - Moved all structure related nation code into `NationStructureBehavior.ts` - Split up the good old `structureSpawnTileValue` method to make it more readable - Cleaned up NationExecution a bit ### A screenshot <img width="1681" height="755" alt="Screenshot 2026-02-08 001108" src="https://github.com/user-attachments/assets/c9b3df01-41ca-4c68-b450-b20e7d7d910a" /> ## Please complete the following: - [X] I have added screenshots for all UI updates - [X] I process any text displayed to the user through translateText() and I've added it to the en.json file - [X] I have added relevant tests to the test directory - [X] I confirm I have thoroughly tested these changes and take full responsibility for any bugs introduced ## Please put your Discord username so you can be contacted if a bug or regression is found: FloPinguin	2026-02-09 16:18:13 -08:00