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using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
// 用来返回某一时刻的碰撞盒几何数据
public struct ColliderInfo
{
public bool active;
public float frame;
public Vector3 position;
public Vector3 size;
public ColliderBox.EColliderType type { get { return collider.type; } }
public ColliderBox.Pivot pivot { get { return collider.pivot; } }
public ColliderBox collider;
public int colliderHash { get { return collider.GetHashCode(); } }
public bool isValid { get { return collider != null; } } // 没有对应的数据时为false
}
// 某个碰撞盒的属性和帧数据，从属于animation data
[Serializable]
public class ColliderData
{
[Serializable]
public class ColliderFrame
{
public int frame;
public bool active;
public Vector3 position;
public Vector3 size;
}
public ColliderBox.EColliderType type { get { return collider.type; } }
public ColliderBox.Pivot pivot { get { return collider.pivot; } }
public ColliderBox collider;
public List<ColliderFrame> frames;
public ColliderData(ColliderBox.EColliderType type, ColliderBox.Pivot pivot)
{
this.frames = new List<ColliderFrame>();
if (collider == null)
collider = new ColliderBox();
collider.type = type;
collider.pivot = pivot;
}
public ColliderInfo GetColliderInfo(float frame)
{
ColliderInfo info = new ColliderInfo();
info.active = false; // default
info.collider = collider;
info.frame = frame;
int previous = 0;
int end = -1;
for (int i = 0; i < frames.Count; ++i)
{
if(frame >= frames[i].frame)
{
previous = frames[i].frame;
}
if(frames[i].frame > frame)
{
end = frames[i].frame;
break;
}
}
if(end == -1)
{
if(type == ColliderBox.EColliderType.HurtBox)
{
ColliderFrame pre = frames.Find(s => s.frame == previous);
if (pre == null)
return info;
info.active = pre.active;
info.position = pre.position;
info.size = pre.size;
}
}
else
{
ColliderFrame pre = frames.Find(s => s.frame == previous);
ColliderFrame next = frames.Find(s => s.frame == end);
if (pre == null || next == null)
return info;
info.active = pre.active;
float t = (frame - previous) / (end - previous);
info.position = Vector3.Lerp(pre.position, next.position, t);
info.size = Vector3.Lerp(pre.size, next.size, t);
}
return info;
}
public ColliderFrame AddFrame(int frameIndex)
{
if (frames == null)
frames = new List<ColliderFrame>();
ColliderFrame frame = new ColliderFrame();
frame.frame = frameIndex;
frame.active = true;
frame.position = Vector3.zero;
frame.size = new Vector3(0.5f,1,1);
frames.Add(frame);
frames.Sort((a, b) => {
if (a == null)
return 1;
if (b == null)
return -1;
if (a.frame < b.frame)
return -1;
if (a.frame > b.frame)
return 1;
return 0;
});
return frame;
}
public void DeleteFrame(int frameIndex)
{
if (frames == null)
return;
ColliderFrame frame = null;
foreach(var f in frames)
{
if (f.frame == frameIndex)
frame = f;
}
if(frame != null)
{
frames.Remove(frame);
}
}
}
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