feat(ModularBot): melee targeting — multi-enemy tracker, per-enemy gun fitness, radar auto-switch

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-09-20 12:25:10 +02:00
parent 30d00ba163
commit ab473c6b68
9 changed files with 375 additions and 174 deletions
@@ -0,0 +1,54 @@
+## Per-enemy state table. Keyed by bot ID.
+## Tank Royale: 0° = East.
+
+import std/tables
+import std/math
+
+type
+  EnemyState* = object
+    id*:          int
+    x*, y*:       float
+    heading*:     float  ## degrees
+    speed*:       float
+    energy*:      float
+    lastSeenTick*: int
+    alive*:       bool
+
+  EnemyTracker* = object
+    enemies*: Table[int, EnemyState]
+
+proc update*(et: var EnemyTracker, botId: int, x, y, heading, speed, energy: float, tick: int) =
+  et.enemies[botId] = EnemyState(id: botId, x: x, y: y, heading: heading,
+                                  speed: speed, energy: energy,
+                                  lastSeenTick: tick, alive: true)
+
+proc markDead*(et: var EnemyTracker, botId: int) =
+  if botId in et.enemies:
+    et.enemies[botId].alive = false
+
+proc resetRound*(et: var EnemyTracker) =
+  et.enemies.clear()
+
+proc getEnemy*(et: EnemyTracker, botId: int): EnemyState =
+  et.enemies[botId]
+
+proc allAlive*(et: EnemyTracker): seq[EnemyState] =
+  for s in et.enemies.values:
+    if s.alive: result.add(s)
+
+proc closestTo*(et: EnemyTracker, x, y: float): EnemyState =
+  var bestDist = Inf
+  for s in et.enemies.values:
+    if not s.alive: continue
+    let d = hypot(s.x - x, s.y - y)
+    if d < bestDist:
+      bestDist = d
+      result = s
+
+proc weakest*(et: EnemyTracker): EnemyState =
+  var bestEnergy = Inf
+  for s in et.enemies.values:
+    if not s.alive: continue
+    if s.energy < bestEnergy:
+      bestEnergy = s.energy
+      result = s