AnimationPlayerManager.cs

using Godot;
using System;
using System.Collections.Generic;

public class AnimationPlayerManager : AnimationPlayer
{
    public enum AnimationState
    {
        Idle_unarmed,
        Pistol_equip,
        Pistol_fire,
        Pistol_idle,
        Pistol_reload,
        Pistol_unequip,
        Rifle_equip,
        Rifle_fire,
        Rifle_idle,
        Rifle_reload,
        Rifle_unequip,
        Knife_equip,
        Knife_fire,
        Knife_idle,
        Knife_unequip
    }

    Dictionary<AnimationState, string[]> states = new Dictionary<AnimationState, string[]>() {
        { AnimationState.Idle_unarmed, new string[] { "Knife_equip", "Pistol_equip", "Rifle_equip", "Idle_unarmed"} },
        { AnimationState.Pistol_equip, new string[] { "Pistol_idle"} },
        { AnimationState.Pistol_fire, new string[] { "Pistol_idle"} },
        { AnimationState.Pistol_idle, new string[] { "Pistol_fire", "Pistol_reload", "Pistol_unequip", "Pistol_idle"} },
        { AnimationState.Pistol_reload, new string[] { "Pistol_idle"} },
        { AnimationState.Pistol_unequip, new string[] { "Idle_unarmed"} },
        { AnimationState.Rifle_equip, new string[] { "Rifle_idle"} },
        { AnimationState.Rifle_fire, new string[] { "Rifle_idle"} },
        { AnimationState.Rifle_idle, new string[] { "Rifle_fire", "Rifle_reload", "Rifle_unequip", "Rifle_idle"} },
        { AnimationState.Rifle_reload, new string[] { "Rifle_idle"} },
        { AnimationState.Rifle_unequip, new string[] { "Idle_unarmed"} },
        { AnimationState.Knife_equip, new string[] { "Knife_idle"} },
        { AnimationState.Knife_fire, new string[] { "Knife_idle"} },
        { AnimationState.Knife_idle, new string[] { "Knife_fire", "Knife_unequip", "Knife_idle"} },
        { AnimationState.Knife_unequip, new string[] { "Idle_unarmed"} }
        };

    Dictionary<AnimationState, float> animationSpeeds = new Dictionary<AnimationState, float>()
    {
        {AnimationState.Idle_unarmed, 1f},
        {AnimationState.Pistol_equip, 1.4f},
        {AnimationState.Pistol_fire, 1.8f},
        {AnimationState.Pistol_idle, 1f},
        {AnimationState.Pistol_reload, 1f},
        {AnimationState.Pistol_unequip, 1.4f},
        {AnimationState.Rifle_equip, 2f},
        {AnimationState.Rifle_fire, 6f},
        {AnimationState.Rifle_idle, 1f},
        {AnimationState.Rifle_reload, 1.45f},
        {AnimationState.Rifle_unequip, 2f},
        {AnimationState.Knife_equip, 1f},
        {AnimationState.Knife_fire, 1.35f},
        {AnimationState.Knife_idle, 1f},
        {AnimationState.Knife_unequip, 1f}
    };

    public AnimationState currentState = AnimationState.Idle_unarmed;
    public Action CallbackFunction = null;

    public override void _Ready()
    {

        // SetAnimation(AnimationState.Idle_unarmed);

        Connect("animation_finished", this, "AnimationEnded");
    }

    public bool SetAnimation(AnimationState animationName)
    {
        if (animationName == currentState)
        {
            GD.Print("AnimationPlayer_Manager.cs -- WARNING: animation is already ", animationName);

            return true;
        }

        if (HasAnimation(animationName.ToString()))
        {
            var possibleAnimations = states[currentState];
            if (Array.IndexOf(possibleAnimations, animationName.ToString()) != -1)
            {
                currentState = animationName;

                Play(animationName.ToString(), -1, animationSpeeds[animationName]);

                return true;
            }
            else
            {
                GD.Print("AnimationPlayer_Manager.cs -- WARNING: Cannot change to ", animationName, " from ", currentState);

                return false;
            }
        }
        return false;

    }

    public void AnimationEnded(AnimationState animationName)
    {
        // UNARMED transitions
        if (currentState == AnimationState.Idle_unarmed)
        {

        }
        // KNIFE transitions
        else if (currentState == AnimationState.Knife_equip)
        {
            SetAnimation(AnimationState.Knife_idle);
        }

        else if (currentState == AnimationState.Knife_idle)
        {

        }
        else if (currentState == AnimationState.Knife_fire)
        {
            SetAnimation(AnimationState.Knife_idle);
        }

        else if (currentState == AnimationState.Knife_unequip)
        {

            SetAnimation(AnimationState.Idle_unarmed);
        }
        // PISTOL transitions
        else if (currentState == AnimationState.Pistol_equip)
        {

            SetAnimation(AnimationState.Pistol_idle);
        }

        else if (currentState == AnimationState.Pistol_idle)
        {
        }
        else if (currentState == AnimationState.Pistol_fire)
        {
            SetAnimation(AnimationState.Pistol_idle);
        }

        else if (currentState == AnimationState.Pistol_unequip)
        {

            SetAnimation(AnimationState.Idle_unarmed);
        }

        else if (currentState == AnimationState.Pistol_reload)
        {

            SetAnimation(AnimationState.Pistol_idle);
        }
        // RIFLE transitions
        else if (currentState == AnimationState.Rifle_equip)
        {

            SetAnimation(AnimationState.Rifle_idle);
        }

        else if (currentState == AnimationState.Rifle_idle)
        {

        }
        else if (currentState == AnimationState.Rifle_fire)
        {

            SetAnimation(AnimationState.Rifle_idle);
        }

        else if (currentState == AnimationState.Rifle_unequip)
        {

            SetAnimation(AnimationState.Idle_unarmed);
        }

        else if (currentState == AnimationState.Rifle_reload)
        {

            SetAnimation(AnimationState.Rifle_idle);
        }
    }

    public void AnimationCallback()
    {
        CallbackFunction?.Invoke();
    }

}