Initial commit: Theriapolis baseline at port/godot branch point

Captures the pre-Godot-port state of the codebase. This is the rollback anchor for the Godot port (M0 of theriapolis-rpg-implementation-plan-godot-port.md). All Phase 0 through Phase 6.5 work is included; Phase 7 is in flight. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-04-30 20:40:51 -07:00
commit b451f83174
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+using Theriapolis.Core.Rules.Combat;
+
+namespace Theriapolis.Core.Entities.Ai;
+
+/// <summary>
+/// "Move toward target, attack when in reach" — the baseline aggressive
+/// melee behavior. Used by Brigand* and Patrol templates that aren't
+/// scripted to flee.
+/// </summary>
+public sealed class BrigandBehavior : INpcBehavior
+{
+    public void TakeTurn(Combatant self, AiContext ctx)
+    {
+        if (self.IsDown) return;
+        var target = ctx.FindClosestHostile(self);
+        if (target is null) return;
+        var attack = self.AttackOptions[0];
+
+        // Move budget: 5 ft. = 1 tactical tile per d20 standard.
+        int tiles = ctx.Encounter.CurrentTurn.RemainingMovementFt / 5;
+        while (!ReachAndCover.IsInReach(self, target, attack) && tiles > 0)
+        {
+            var next = ReachAndCover.StepToward(self.Position, target.Position);
+            if (next.X == self.Position.X && next.Y == self.Position.Y) break;
+            self.Position = next;
+            ctx.Encounter.AppendLog(CombatLogEntry.Kind.Move,
+                $"{self.Name} moves to ({(int)next.X},{(int)next.Y}).");
+            tiles--;
+        }
+        int consumedTiles = (ctx.Encounter.CurrentTurn.RemainingMovementFt / 5) - tiles;
+        ctx.Encounter.CurrentTurn.ConsumeMovement(consumedTiles * 5);
+
+        if (!ReachAndCover.IsInReach(self, target, attack)) return;
+        Resolver.AttemptAttack(ctx.Encounter, self, target, attack);
+        ctx.Encounter.CurrentTurn.ConsumeAction();
+    }
+}