rimworld-animation-studio/Assets/Scripts/GUI/KeyframeSlider.cs

262 lines
10 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
namespace RimWorldAnimationStudio
{
public class KeyframeSlider : Slider, IPointerClickHandler, IBeginDragHandler, IEndDragHandler
{
public int keyframeID;
public AnimationTimeline timeline;
public Transform ghostSliders;
public Slider ghostSliderPrefab;
public Image handleImage;
public GameObject soundIcon;
public int maxGhosts = 4;
public KeyframeSlider linkedSlider;
public PawnKeyframe pivotKeyframe;
public int linkedOffset;
private PawnAnimationClip clip { get { return Workspace.GetPawnAnimationClip(actorID); } }
private PawnKeyframe keyframe { get { return Workspace.GetPawnKeyframe(keyframeID); } }
private int actorID;
private float dragTimeStart = -1f;
private int dragTickStart = -1;
protected override void Start()
{
base.Start();
onValueChanged.AddListener(delegate (float value) { OnValueChanged(); });
}
public void Initialize(AnimationTimeline timeline, int actorID, int keyframeID)
{
this.timeline = timeline;
this.actorID = actorID;
this.keyframeID = keyframeID;
maxValue = Workspace.StageWindowSize;
value = keyframe.atTick.Value;
}
public void OnValueChanged()
{
keyframe.atTick = (int)value;
clip.BuildSimpleCurves();
timeline.InitiateUpdateOfGhostFrames();
}
// Ghost sliders are non-interactable slider handle
public void UpdateGhostFrames()
{
if (maxGhosts == 0)
{ return; }
int requiredGhosts = GetGhostFramesRequired();
int currentGhostCount = ghostSliders.childCount;
for (int i = 0; i < Mathf.Max(requiredGhosts, currentGhostCount); i++)
{
if (clip == null || keyframe == null) continue;
int targetTick = (int)(i * clip.duration + keyframe.atTick);
if (ghostSliders.childCount <= i)
{ Instantiate(ghostSliderPrefab, ghostSliders); }
GameObject ghostSliderObject = ghostSliders.GetChild(i).gameObject;
ghostSliderObject.SetActive(i < requiredGhosts);
Slider ghostSlider = ghostSliderObject.GetComponent<Slider>();
ghostSlider.maxValue = Workspace.StageWindowSize;
ghostSlider.value = targetTick;
if (targetTick > ghostSlider.maxValue)
{ ghostSlider.gameObject.SetActive(false); }
}
}
public int GetGhostFramesRequired()
{
if (Workspace.animationDef.AnimationStages[Workspace.StageID].IsLooping == false)
{ return 0; }
if (clip.duration <= 1)
{ return 0; }
return Math.Min(Mathf.CeilToInt((float)Workspace.StageWindowSize / clip.duration), maxGhosts);
}
public void OnPointerClick(PointerEventData eventData)
{
Workspace.ActorID = actorID;
if (Input.GetKey(KeyCode.LeftControl) || Input.GetKey(KeyCode.LeftCommand))
{ Workspace.keyframeID.Add(keyframeID); }
else if (Workspace.keyframeID.NullOrEmpty() || Workspace.keyframeID.Contains(keyframeID) == false)
{ Workspace.keyframeID = new List<int> { keyframeID }; }
if (eventData.clickCount >= 2)
{ Workspace.StageTick = keyframe.atTick.Value; }
}
public void OnBeginDrag(PointerEventData eventData)
{
// Select key
Workspace.ActorID = actorID;
dragTimeStart = Time.unscaledTime;
dragTickStart = keyframe.atTick.Value;
if (Workspace.keyframeID.NullOrEmpty() || Workspace.keyframeID.Contains(keyframeID) == false)
{ Workspace.keyframeID = new List<int> { keyframeID }; }
// The first key can't be moved though
if (keyframe.atTick == Constants.minTick)
{ interactable = false; return; }
interactable = true;
List<PawnKeyframe> selectedKeyframes = Workspace.GetPawnKeyframesByID(Workspace.keyframeID).Except(new List<PawnKeyframe>() { keyframe })?.ToList();
// Link other selected keyframes to the movement of this one
if (selectedKeyframes.NotNullOrEmpty())
{
pivotKeyframe = keyframe.atTick <= selectedKeyframes.Min(x => x.atTick) ?
selectedKeyframes.FirstOrDefault(x => x.atTick >= selectedKeyframes.Max(y => y.atTick)) :
selectedKeyframes.FirstOrDefault(x => x.atTick <= selectedKeyframes.Min(y => y.atTick));
foreach (PawnKeyframe selectedKeyframe in selectedKeyframes)
{
KeyframeSlider unlinkedSlider = selectedKeyframe.GetKeyframeSlider();
if (unlinkedSlider != null)
{
if (selectedKeyframe.atTick == Constants.minTick) continue;
if (Workspace.stretchKeyframes && unlinkedSlider.keyframe.atTick == pivotKeyframe.atTick) continue;
unlinkedSlider.linkedSlider = this;
unlinkedSlider.linkedOffset = unlinkedSlider.keyframe.atTick.Value - keyframe.atTick.Value;
}
}
}
}
public override void OnDrag(PointerEventData eventData)
{
Workspace.ActorID = actorID;
// Sticky drag
if (Time.unscaledTime - dragTimeStart < 0.05f) return;
base.OnDrag(eventData);
// Snap to nearest keyframe (on another timeline)
int targetTick = Workspace.FindClosestKeyFrameAtTick(keyframe.atTick.Value, Mathf.CeilToInt(Workspace.StageWindowSize * 0.01f), actorID);
if (Input.GetKey(KeyCode.LeftShift) && Workspace.DoesPawnKeyframeExistAtTick(Workspace.StageID, actorID, targetTick) == false)
{ value = (float)targetTick; }
}
public void OnEndDrag(PointerEventData eventData)
{
List<PawnKeyframe> keyframesToCheck = Workspace.GetAllPawnKeyframesAtTick(actorID, keyframe.atTick.Value);
if (keyframesToCheck.NotNullOrEmpty())
{
foreach (PawnKeyframe _keyframe in keyframesToCheck)
{
if (_keyframe != keyframe)
{ Workspace.GetAnimationClipThatOwnsKeyframe(_keyframe.keyframeID).RemovePawnKeyframe(_keyframe.keyframeID); }
}
}
foreach (Selectable selectable in Selectable.allSelectablesArray)
{
if (selectable is KeyframeSlider)
{
KeyframeSlider linkedSlider = selectable.GetComponent<KeyframeSlider>();
PawnKeyframe linkedKeyframe = linkedSlider.keyframe;
if (linkedSlider.linkedSlider != null)
{
keyframesToCheck = Workspace.GetAllPawnKeyframesAtTick(actorID, linkedKeyframe.atTick.Value);
if (keyframesToCheck.NotNullOrEmpty() && keyframesToCheck.Count > 1)
{
foreach (PawnKeyframe _keyframe in keyframesToCheck)
{
if (_keyframe.keyframeID != linkedKeyframe.keyframeID)
{ Workspace.GetAnimationClipThatOwnsKeyframe(_keyframe.keyframeID).RemovePawnKeyframe(_keyframe.keyframeID); }
}
}
}
linkedSlider.linkedSlider = null;
linkedSlider.pivotKeyframe = null;
}
}
interactable = false;
Workspace.RecordEvent("Keyframe move");
}
protected override void Update()
{
base.Update();
if (keyframe == null) return;
// Update outdated values
if (Workspace.keyframeID.NullOrEmpty() || Workspace.keyframeID.Contains(keyframeID) == false)
{ linkedSlider = null; }
else if (Workspace.stretchKeyframes && linkedSlider != null)
{ value = Mathf.CeilToInt(linkedSlider.keyframe.atTick.Value + linkedOffset * linkedSlider.ScaledOffsetFromPivot()); }
else if (Workspace.stretchKeyframes == false && linkedSlider != null)
{ value = Mathf.Clamp(linkedSlider.keyframe.atTick.Value + linkedOffset, Constants.minTick, Workspace.StageWindowSize); }
else if (keyframe.atTick.Value != value)
{ value = keyframe.atTick.Value; }
// Update key color
if (keyframe.atTick.HasValue && Workspace.keyframeID.Contains(keyframeID) && Workspace.StageTick == keyframe.atTick.Value)
{ handleImage.color = Constants.ColorPurple; }
else if (Workspace.keyframeID.Contains(keyframeID))
{ handleImage.color = Constants.ColorCyan; }
else if (Workspace.StageTick == keyframe.atTick.Value)
{ handleImage.color = Constants.ColorPink; }
else
{ handleImage.color = Constants.ColorGrey; }
// Show sound symbol
string soundDef = Workspace.GetPawnKeyframe(keyframeID)?.SoundEffect;
soundIcon.SetActive(soundDef != null && soundDef != "" && soundDef != "None");
}
public float ScaledOffsetFromPivot()
{
if (dragTickStart == pivotKeyframe.atTick.Value) return 0f;
return (float)(keyframe.atTick.Value - pivotKeyframe.atTick.Value) / (dragTickStart - pivotKeyframe.atTick.Value);
}
public bool IsPivotKeyframe(PawnKeyframe otherKeyframe)
{
return pivotKeyframe == otherKeyframe;
}
}
}