using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using UnityEngine.Scripting;

namespace UnityEngine
{
	// Token: 0x0200008A RID: 138
	[RequiredByNativeCode]
	[StructLayout(LayoutKind.Sequential)]
	public sealed class AnimationCurve
	{
		// Token: 0x06000A36 RID: 2614 RVA: 0x0000F7B4 File Offset: 0x0000D9B4
		public AnimationCurve(params Keyframe[] keys)
		{
			this.Init(keys);
		}

		// Token: 0x06000A37 RID: 2615 RVA: 0x0000F7C4 File Offset: 0x0000D9C4
		[RequiredByNativeCode]
		public AnimationCurve()
		{
			this.Init(null);
		}

		// Token: 0x06000A38 RID: 2616
		[ThreadAndSerializationSafe]
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private extern void Cleanup();

		// Token: 0x06000A39 RID: 2617 RVA: 0x0000F7D4 File Offset: 0x0000D9D4
		~AnimationCurve()
		{
			this.Cleanup();
		}

		// Token: 0x06000A3A RID: 2618
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		public extern float Evaluate(float time);

		// Token: 0x17000256 RID: 598
		// (get) Token: 0x06000A3B RID: 2619 RVA: 0x0000F804 File Offset: 0x0000DA04
		// (set) Token: 0x06000A3C RID: 2620 RVA: 0x0000F820 File Offset: 0x0000DA20
		public Keyframe[] keys
		{
			get
			{
				return this.GetKeys();
			}
			set
			{
				this.SetKeys(value);
			}
		}

		// Token: 0x06000A3D RID: 2621
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		public extern int AddKey(float time, float value);

		// Token: 0x06000A3E RID: 2622 RVA: 0x0000F82C File Offset: 0x0000DA2C
		public int AddKey(Keyframe key)
		{
			return this.AddKey_Internal(key);
		}

		// Token: 0x06000A3F RID: 2623 RVA: 0x0000F848 File Offset: 0x0000DA48
		private int AddKey_Internal(Keyframe key)
		{
			return AnimationCurve.INTERNAL_CALL_AddKey_Internal(this, ref key);
		}

		// Token: 0x06000A40 RID: 2624
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern int INTERNAL_CALL_AddKey_Internal(AnimationCurve self, ref Keyframe key);

		// Token: 0x06000A41 RID: 2625 RVA: 0x0000F868 File Offset: 0x0000DA68
		public int MoveKey(int index, Keyframe key)
		{
			return AnimationCurve.INTERNAL_CALL_MoveKey(this, index, ref key);
		}

		// Token: 0x06000A42 RID: 2626
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern int INTERNAL_CALL_MoveKey(AnimationCurve self, int index, ref Keyframe key);

		// Token: 0x06000A43 RID: 2627
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		public extern void RemoveKey(int index);

		// Token: 0x17000257 RID: 599
		public Keyframe this[int index]
		{
			get
			{
				return this.GetKey_Internal(index);
			}
		}

		// Token: 0x17000258 RID: 600
		// (get) Token: 0x06000A45 RID: 2629
		public extern int length
		{
			[GeneratedByOldBindingsGenerator]
			[MethodImpl(MethodImplOptions.InternalCall)]
			get;
		}

		// Token: 0x06000A46 RID: 2630
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private extern void SetKeys(Keyframe[] keys);

		// Token: 0x06000A47 RID: 2631 RVA: 0x0000F8A4 File Offset: 0x0000DAA4
		private Keyframe GetKey_Internal(int index)
		{
			Keyframe keyframe;
			AnimationCurve.INTERNAL_CALL_GetKey_Internal(this, index, out keyframe);
			return keyframe;
		}

		// Token: 0x06000A48 RID: 2632
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern void INTERNAL_CALL_GetKey_Internal(AnimationCurve self, int index, out Keyframe value);

		// Token: 0x06000A49 RID: 2633
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private extern Keyframe[] GetKeys();

		// Token: 0x06000A4A RID: 2634
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		public extern void SmoothTangents(int index, float weight);

		// Token: 0x06000A4B RID: 2635 RVA: 0x0000F8C4 File Offset: 0x0000DAC4
		public static AnimationCurve Linear(float timeStart, float valueStart, float timeEnd, float valueEnd)
		{
			float num = (valueEnd - valueStart) / (timeEnd - timeStart);
			Keyframe[] array = new Keyframe[]
			{
				new Keyframe(timeStart, valueStart, 0f, num),
				new Keyframe(timeEnd, valueEnd, num, 0f)
			};
			return new AnimationCurve(array);
		}

		// Token: 0x06000A4C RID: 2636 RVA: 0x0000F920 File Offset: 0x0000DB20
		public static AnimationCurve EaseInOut(float timeStart, float valueStart, float timeEnd, float valueEnd)
		{
			Keyframe[] array = new Keyframe[]
			{
				new Keyframe(timeStart, valueStart, 0f, 0f),
				new Keyframe(timeEnd, valueEnd, 0f, 0f)
			};
			return new AnimationCurve(array);
		}

		// Token: 0x17000259 RID: 601
		// (get) Token: 0x06000A4D RID: 2637
		// (set) Token: 0x06000A4E RID: 2638
		public extern WrapMode preWrapMode
		{
			[GeneratedByOldBindingsGenerator]
			[MethodImpl(MethodImplOptions.InternalCall)]
			get;
			[GeneratedByOldBindingsGenerator]
			[MethodImpl(MethodImplOptions.InternalCall)]
			set;
		}

		// Token: 0x1700025A RID: 602
		// (get) Token: 0x06000A4F RID: 2639
		// (set) Token: 0x06000A50 RID: 2640
		public extern WrapMode postWrapMode
		{
			[GeneratedByOldBindingsGenerator]
			[MethodImpl(MethodImplOptions.InternalCall)]
			get;
			[GeneratedByOldBindingsGenerator]
			[MethodImpl(MethodImplOptions.InternalCall)]
			set;
		}

		// Token: 0x06000A51 RID: 2641
		[ThreadAndSerializationSafe]
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private extern void Init(Keyframe[] keys);

		// Token: 0x0400010A RID: 266
		internal IntPtr m_Ptr;
	}
}