Animation.cs

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using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
 
namespace FalcoEngine
{
    public class Animation : Component
    {
        internal Animation() { }
 
        /*----------- PUBLIC ------------*/
 
        public delegate void AnimationEvent(Animation sender, string animName);
        public event AnimationEvent onEnded;
 
        public bool isPlaying { [MethodImpl(MethodImplOptions.InternalCall)] get; }
 
        public int numAnimationClips { [MethodImpl(MethodImplOptions.InternalCall)] get; }
 
        public void Play(string name)
        {
            INTERNAL_play(name);
        }
 
        public void CrossFade(string name, float duration = 1.0f)
        {
            INTERNAL_crossFade(name, duration);
        }
 
        public void Stop()
        {
            INTERNAL_stop();
        }
 
        public void SetLoop(string name, bool loop)
        {
            INTERNAL_setLoop(name, loop);
        }
 
        public bool GetLoop(string name)
        {
            return INTERNAL_getLoop(name);
        }
 
        public bool IsPlaying(string name)
        {
            return INTERNAL_isPlaying(name);
        }
 
        public AnimationClipInfo GetAnimationClipInfo(int index)
        {
            INTERNAL_getAnimationClipInfo(index, out AnimationClipInfo info);
            return info;
        }
 
        private void CallOnEnded(Animation sender, string animName)
        {
            onEnded?.Invoke(sender, animName);
        }
 
        /*----------- INTERNAL CALLS ------------*/
 
        [MethodImpl(MethodImplOptions.InternalCall)]
        private extern void INTERNAL_play(string name);
 
        [MethodImpl(MethodImplOptions.InternalCall)]
        private extern void INTERNAL_crossFade(string name, float duration);
 
        [MethodImpl(MethodImplOptions.InternalCall)]
        private extern void INTERNAL_stop();
 
        [MethodImpl(MethodImplOptions.InternalCall)]
        private extern void INTERNAL_setLoop(string name, bool loop);
 
        [MethodImpl(MethodImplOptions.InternalCall)]
        private extern bool INTERNAL_getLoop(string name);
 
        [MethodImpl(MethodImplOptions.InternalCall)]
        private extern bool INTERNAL_isPlaying(string name);
 
        [MethodImpl(MethodImplOptions.InternalCall)]
        private extern void INTERNAL_getAnimationClipInfo(int index, out AnimationClipInfo info);
    }
}