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fix(example): stop Commandery RTS opening deathball

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choose() is deterministic, so a 0.60 assault score beat capture every
first tick and walked Frontier across the map. Gate assault on force
parity, garrison the east mine during raid, and picket Crown on the
bridge so the opening is an economic contest.

Co-authored-by: 西风逍遥游 <sunxfancy@gmail.com>
This commit is contained in:
Cursor Agentand西风逍遥游 committed 2026-09-02 10:40:58 +00:00
1 parent 8e6d55bea5
commit ad38d51c29
2 files changed
+32 -18
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examples/commandery-rts/README.md
+5 -4
View File
@@ -41,10 +41,11 @@ Controls:
- `R`: reset the scenario.
- The right-hand panel mirrors those buttons.
The opening deploys Crown around the north mine and Frontier around the east mine
so the first minute is an economic contest. Frontier AI starts in `raid` (contest
mines, train replacements) and only flips to `assault` from live force/mine
counts. The match ends when one side has no living units.
The opening deploys Crown on the north and bridge mines, Frontier on the east
mine. Frontier AI starts in `raid`: hold while outnumbered, leave a garrison,
contest the nearest Crown mine, and train up. It only flips to `assault` once it
has at least three units and is not outnumbered. The match ends when one side
has no living units.
The engine module does not contain `General`, `Rebellion`, or a fixed RTS AI
type; those rules are all in `main.nut`.
examples/commandery-rts/main.nut
+27 -14
View File
@@ -115,13 +115,13 @@ function resetGame() {
"frontier assault->raid");
requireResult(game.mind.newGrid("threat", 10, 6, 100.0, 0.0, 80.0), "threat grid");
// Crown starts near the north mine; Frontier garrisons the east mine so the
// opening is an economic contest instead of an instant deathball.
game.units.push(makeUnit("crown.tank.1", game.crown, "tank", 220.0, 250.0, game.general));
game.units.push(makeUnit("crown.infantry.1", game.crown, "infantry", 280.0, 230.0, game.general));
game.units.push(makeUnit("crown.infantry.2", game.crown, "infantry", 175.0, 520.0, game.general));
// Crown holds north + a picket on the bridge mine; Frontier garrisons east.
// The opening is an economic contest, not a map-wide deathball.
game.units.push(makeUnit("crown.tank.1", game.crown, "tank", 240.0, 240.0, game.general));
game.units.push(makeUnit("crown.infantry.1", game.crown, "infantry", 290.0, 200.0, game.general));
game.units.push(makeUnit("crown.infantry.2", game.crown, "infantry", 500.0, 360.0, game.general));
game.units.push(makeUnit("frontier.tank.1", game.frontier, "tank", 800.0, 250.0, "general.boros"));
game.units.push(makeUnit("frontier.infantry.1", game.frontier, "infantry", 760.0, 220.0, "general.boros"));
game.units.push(makeUnit("frontier.infantry.1", game.frontier, "infantry", 740.0, 210.0, "general.boros"));
refreshAdministration();
refreshPanel();
}
@@ -440,25 +440,38 @@ function updateEnemyAI(dt) {
local crownN = livingCount(game.crown);
local frontierN = livingCount(game.frontier);
local crownMines=0; foreach(p in game.points) if(p.owner==game.crown) crownMines+=1;
local assaultUrge = crownN > 0 ? clamp(0.35 + (3-frontierN)*0.15 + (3-crownMines)*0.1, 0.05, 0.95) : 0.05;
local captureUrge = crownMines > 0 ? 0.55 : 0.2;
local holdUrge = frontierN <= 1 ? 0.7 : 0.25;
local action=game.mind.choose("assault="+assaultUrge+":2;capture="+captureUrge+":2;hold="+holdUrge+":1");
if(action=="assault" && !game.rebelled) {
local forceDelta = frontierN - crownN;
// Assault is gated: outnumbered openings always held/raided. choose() is
// deterministic, so a 0.60 assault score previously won every first tick.
local assaultUrge = 0.05;
if (crownN > 0 && frontierN >= 3 && forceDelta >= 0) {
assaultUrge = clamp(0.40 + forceDelta * 0.18, 0.40, 0.90);
}
local captureUrge = (crownMines > 0 && frontierN >= 2) ? 0.70 : 0.15;
local holdUrge = forceDelta < 0 ? 0.78 : 0.28;
local action=game.mind.choose("assault="+assaultUrge+":1;capture="+captureUrge+":1;hold="+holdUrge+":1");
if(action=="assault" && !game.rebelled && frontierN >= 3 && forceDelta >= 0) {
local triggerResult = game.mind.trigger("frontier.ai", "base_exposed");
if (!triggerResult.ok) { game.message = triggerResult.status.summary; return; }
} else if (action=="hold" || action=="capture") {
} else {
local holdResult = game.mind.trigger("frontier.ai", "hold_mines");
if (!holdResult.ok) { game.message = holdResult.status.summary; return; }
}
local aiState = game.mind.state("frontier.ai");
local captureTarget = nearestPoint(game.frontier, true);
local ownedMine = nearestPoint(game.frontier, false);
local assigned = 0;
foreach (u in game.units) if(u.alive && u.faction==game.frontier) {
if (aiState=="assault") {
local enemy=nearestEnemy(u);
if(enemy!=null){u.tx=enemy.x;u.ty=enemy.y;}
} else if (captureTarget != null) {
u.tx = captureTarget.x; u.ty = captureTarget.y;
} else {
assigned += 1;
if (action == "hold" || (assigned == 1 && ownedMine != null)) {
if (ownedMine != null) { u.tx = ownedMine.x; u.ty = ownedMine.y; }
} else if (captureTarget != null) {
u.tx = captureTarget.x; u.ty = captureTarget.y;
}
}
}
if (frontierN < 3) queueEnemyUnit();