98 lines
3.2 KiB
C#
98 lines
3.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using Barotrauma.Items.Components;
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using Microsoft.Xna.Framework;
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namespace Barotrauma.MapCreatures.Behavior
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{
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class GrowToTargetState: GrowIdleState
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{
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public readonly List<BallastFloraBranch> TargetBranches = new List<BallastFloraBranch>();
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public readonly Item Target;
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private bool isFinished;
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public GrowToTargetState(BallastFloraBehavior behavior, BallastFloraBranch starter, Item target) : base(behavior)
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{
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Target = target;
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TargetBranches.Add(starter);
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}
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// do nothing
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public override void Enter() { }
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public override ExitState GetState() => isFinished ? ExitState.Terminate : ExitState.Running;
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protected override void Grow()
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{
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if (TargetBranches.Any(b => b.Removed))
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{
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if (!Behavior.IgnoredTargets.ContainsKey(Target))
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{
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Behavior.IgnoredTargets.Add(Target, 10);
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}
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isFinished = true;
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return;
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}
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if (Target == null || Target.Removed)
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{
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isFinished = true;
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return;
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}
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GrowTowardsTarget();
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}
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private void GrowTowardsTarget()
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{
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bool succeeded = false;
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List<BallastFloraBranch> newList = new List<BallastFloraBranch>(TargetBranches);
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foreach (BallastFloraBranch branch in newList)
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{
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if (branch.FailedGrowthAttempts > 8 || branch.DisconnectedFromRoot || !branch.CanGrowMore()) { continue; }
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// Get what side gets us closest to the target
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TileSide side = GetClosestSide(branch, Target.WorldPosition);
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if (branch.IsSideBlocked(side)) { continue; }
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succeeded |= Behavior.TryGrowBranch(branch, side, out List<BallastFloraBranch> newBranches);
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TargetBranches.AddRange(newBranches);
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foreach (BallastFloraBranch newBranch in newBranches)
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{
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Rectangle worldRect = newBranch.Rect;
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worldRect.Location = Behavior.GetWorldPosition().ToPoint() + worldRect.Location;
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if (Behavior.BranchContainsTarget(newBranch, Target))
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{
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Behavior.ClaimTarget(Target, newBranch);
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isFinished = true;
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return;
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}
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}
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}
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if (!succeeded)
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{
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if (!Behavior.IgnoredTargets.ContainsKey(Target))
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{
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Behavior.IgnoredTargets.Add(Target, 1);
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}
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isFinished = true;
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}
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}
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private TileSide GetClosestSide(VineTile tile, Vector2 targetPos)
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{
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var (distX, distY) = tile.Position + Behavior.GetWorldPosition() - targetPos;
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int absDistX = (int) Math.Abs(distX), absDistY = (int) Math.Abs(distY);
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return absDistX > absDistY ? distX > 0 ? TileSide.Left : TileSide.Right : distY > 0 ? TileSide.Bottom : TileSide.Top;
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}
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}
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} |