1434 lines
60 KiB
C#
1434 lines
60 KiB
C#
/******************************************************************************
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* Spine Runtimes License Agreement
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* Last updated January 1, 2020. Replaces all prior versions.
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*
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* Copyright (c) 2013-2020, Esoteric Software LLC
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*
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* Integration of the Spine Runtimes into software or otherwise creating
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* derivative works of the Spine Runtimes is permitted under the terms and
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* conditions of Section 2 of the Spine Editor License Agreement:
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* http://esotericsoftware.com/spine-editor-license
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*
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* Otherwise, it is permitted to integrate the Spine Runtimes into software
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* or otherwise create derivative works of the Spine Runtimes (collectively,
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* "Products"), provided that each user of the Products must obtain their own
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* Spine Editor license and redistribution of the Products in any form must
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* include this license and copyright notice.
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*
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* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
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* BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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using System;
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using System.Collections.Generic;
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namespace Spine {
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/// <summary>
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/// <para>
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/// Applies animations over time, queues animations for later playback, mixes (crossfading) between animations, and applies
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/// multiple animations on top of each other (layering).</para>
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/// <para>
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/// See <a href='http://esotericsoftware.com/spine-applying-animations/'>Applying Animations</a> in the Spine Runtimes Guide.</para>
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/// </summary>
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public class AnimationState {
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static readonly Animation EmptyAnimation = new Animation("<empty>", new ExposedList<Timeline>(), 0);
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/// 1) A previously applied timeline has set this property.<para />
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/// Result: Mix from the current pose to the timeline pose.
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internal const int Subsequent = 0;
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/// 1) This is the first timeline to set this property.<para />
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/// 2) The next track entry applied after this one does not have a timeline to set this property.<para />
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/// Result: Mix from the setup pose to the timeline pose.
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internal const int First = 1;
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/// 1) A previously applied timeline has set this property.<br>
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/// 2) The next track entry to be applied does have a timeline to set this property.<br>
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/// 3) The next track entry after that one does not have a timeline to set this property.<br>
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/// Result: Mix from the current pose to the timeline pose, but do not mix out. This avoids "dipping" when crossfading
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/// animations that key the same property. A subsequent timeline will set this property using a mix.
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internal const int HoldSubsequent = 2;
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/// 1) This is the first timeline to set this property.<para />
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/// 2) The next track entry to be applied does have a timeline to set this property.<para />
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/// 3) The next track entry after that one does not have a timeline to set this property.<para />
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/// Result: Mix from the setup pose to the timeline pose, but do not mix out. This avoids "dipping" when crossfading animations
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/// that key the same property. A subsequent timeline will set this property using a mix.
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internal const int HoldFirst = 3;
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/// 1) This is the first timeline to set this property.<para />
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/// 2) The next track entry to be applied does have a timeline to set this property.<para />
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/// 3) The next track entry after that one does have a timeline to set this property.<para />
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/// 4) timelineHoldMix stores the first subsequent track entry that does not have a timeline to set this property.<para />
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/// Result: The same as HOLD except the mix percentage from the timelineHoldMix track entry is used. This handles when more than
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/// 2 track entries in a row have a timeline that sets the same property.<para />
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/// Eg, A -> B -> C -> D where A, B, and C have a timeline setting same property, but D does not. When A is applied, to avoid
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/// "dipping" A is not mixed out, however D (the first entry that doesn't set the property) mixing in is used to mix out A
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/// (which affects B and C). Without using D to mix out, A would be applied fully until mixing completes, then snap to the mixed
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/// out position.
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internal const int HoldMix = 4;
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internal const int Setup = 1, Current = 2;
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protected AnimationStateData data;
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private readonly ExposedList<TrackEntry> tracks = new ExposedList<TrackEntry>();
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private readonly ExposedList<Event> events = new ExposedList<Event>();
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// difference to libgdx reference: delegates are used for event callbacks instead of 'final SnapshotArray<AnimationStateListener> listeners'.
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internal void OnStart (TrackEntry entry) { if (Start != null) Start(entry); }
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internal void OnInterrupt (TrackEntry entry) { if (Interrupt != null) Interrupt(entry); }
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internal void OnEnd (TrackEntry entry) { if (End != null) End(entry); }
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internal void OnDispose (TrackEntry entry) { if (Dispose != null) Dispose(entry); }
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internal void OnComplete (TrackEntry entry) { if (Complete != null) Complete(entry); }
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internal void OnEvent (TrackEntry entry, Event e) { if (Event != null) Event(entry, e); }
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public delegate void TrackEntryDelegate (TrackEntry trackEntry);
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public event TrackEntryDelegate Start, Interrupt, End, Dispose, Complete;
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public delegate void TrackEntryEventDelegate (TrackEntry trackEntry, Event e);
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public event TrackEntryEventDelegate Event;
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#region <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,Ϊ<><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>,<2C><><EFBFBD><EFBFBD>֮<EFBFBD><D6AE>ִ<EFBFBD><D6B4>ʱִ<CAB1>в<EFBFBD><D0B2><EFBFBD>ִ<EFBFBD>е<EFBFBD><D0B5>¼<EFBFBD>
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public void ClearEvent_Start()
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{
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Start = null;
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}
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public void ClearEvent_Interrupt()
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{
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Interrupt = null;
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}
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public void ClearEvent_End()
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{
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End = null;
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}
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public void ClearEvent_Dispose()
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{
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Dispose = null;
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}
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public void ClearEvent_Complete()
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{
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Complete = null;
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}
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#endregion
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public void AssignEventSubscribersFrom (AnimationState src) {
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Event = src.Event;
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Start = src.Start;
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Interrupt = src.Interrupt;
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End = src.End;
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Dispose = src.Dispose;
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Complete = src.Complete;
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}
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public void AddEventSubscribersFrom (AnimationState src) {
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Event += src.Event;
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Start += src.Start;
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Interrupt += src.Interrupt;
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End += src.End;
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Dispose += src.Dispose;
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Complete += src.Complete;
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}
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// end of difference
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private readonly EventQueue queue; // Initialized by constructor.
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private readonly HashSet<int> propertyIDs = new HashSet<int>();
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private bool animationsChanged;
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private float timeScale = 1;
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private int unkeyedState;
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private readonly Pool<TrackEntry> trackEntryPool = new Pool<TrackEntry>();
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public AnimationState (AnimationStateData data) {
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if (data == null) throw new ArgumentNullException("data", "data cannot be null.");
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this.data = data;
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this.queue = new EventQueue(
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this,
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delegate { this.animationsChanged = true; },
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trackEntryPool
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);
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}
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/// <summary>
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/// Increments the track entry <see cref="TrackEntry.TrackTime"/>, setting queued animations as current if needed.</summary>
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/// <param name="delta">delta time</param>
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public void Update (float delta) {
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delta *= timeScale;
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var tracksItems = tracks.Items;
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for (int i = 0, n = tracks.Count; i < n; i++) {
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TrackEntry current = tracksItems[i];
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if (current == null) continue;
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current.animationLast = current.nextAnimationLast;
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current.trackLast = current.nextTrackLast;
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float currentDelta = delta * current.timeScale;
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if (current.delay > 0) {
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current.delay -= currentDelta;
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if (current.delay > 0) continue;
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currentDelta = -current.delay;
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current.delay = 0;
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}
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TrackEntry next = current.next;
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if (next != null) {
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// When the next entry's delay is passed, change to the next entry, preserving leftover time.
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float nextTime = current.trackLast - next.delay;
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if (nextTime >= 0) {
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next.delay = 0;
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next.trackTime += current.timeScale == 0 ? 0 : (nextTime / current.timeScale + delta) * next.timeScale;
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current.trackTime += currentDelta;
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SetCurrent(i, next, true);
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while (next.mixingFrom != null) {
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next.mixTime += delta;
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next = next.mixingFrom;
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}
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continue;
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}
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} else if (current.trackLast >= current.trackEnd && current.mixingFrom == null) {
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// Clear the track when there is no next entry, the track end time is reached, and there is no mixingFrom.
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tracksItems[i] = null;
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queue.End(current);
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DisposeNext(current);
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continue;
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}
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if (current.mixingFrom != null && UpdateMixingFrom(current, delta)) {
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// End mixing from entries once all have completed.
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TrackEntry from = current.mixingFrom;
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current.mixingFrom = null;
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if (from != null) from.mixingTo = null;
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while (from != null) {
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queue.End(from);
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from = from.mixingFrom;
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}
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}
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current.trackTime += currentDelta;
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}
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queue.Drain();
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}
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/// <summary>Returns true when all mixing from entries are complete.</summary>
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private bool UpdateMixingFrom (TrackEntry to, float delta) {
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TrackEntry from = to.mixingFrom;
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if (from == null) return true;
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bool finished = UpdateMixingFrom(from, delta);
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from.animationLast = from.nextAnimationLast;
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from.trackLast = from.nextTrackLast;
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// Require mixTime > 0 to ensure the mixing from entry was applied at least once.
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if (to.mixTime > 0 && to.mixTime >= to.mixDuration) {
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// Require totalAlpha == 0 to ensure mixing is complete, unless mixDuration == 0 (the transition is a single frame).
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if (from.totalAlpha == 0 || to.mixDuration == 0) {
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to.mixingFrom = from.mixingFrom;
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if (from.mixingFrom != null) from.mixingFrom.mixingTo = to;
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to.interruptAlpha = from.interruptAlpha;
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queue.End(from);
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}
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return finished;
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}
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from.trackTime += delta * from.timeScale;
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to.mixTime += delta;
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return false;
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}
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/// <summary>
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/// Poses the skeleton using the track entry animations. The animation state is not changed, so can be applied to multiple
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/// skeletons to pose them identically.</summary>
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/// <returns>True if any animations were applied.</returns>
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public bool Apply (Skeleton skeleton) {
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if (skeleton == null) throw new ArgumentNullException("skeleton", "skeleton cannot be null.");
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if (animationsChanged) AnimationsChanged();
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var events = this.events;
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bool applied = false;
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var tracksItems = tracks.Items;
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for (int i = 0, n = tracks.Count; i < n; i++) {
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TrackEntry current = tracksItems[i];
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if (current == null || current.delay > 0) continue;
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applied = true;
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// Track 0 animations aren't for layering, so do not show the previously applied animations before the first key.
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MixBlend blend = i == 0 ? MixBlend.First : current.mixBlend;
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// Apply mixing from entries first.
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float mix = current.alpha;
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if (current.mixingFrom != null)
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mix *= ApplyMixingFrom(current, skeleton, blend);
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else if (current.trackTime >= current.trackEnd && current.next == null) //
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mix = 0; // Set to setup pose the last time the entry will be applied.
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// Apply current entry.
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float animationLast = current.animationLast, animationTime = current.AnimationTime;
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int timelineCount = current.animation.timelines.Count;
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var timelines = current.animation.timelines;
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var timelinesItems = timelines.Items;
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if ((i == 0 && mix == 1) || blend == MixBlend.Add) {
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for (int ii = 0; ii < timelineCount; ii++) {
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var timeline = timelinesItems[ii];
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if (timeline is AttachmentTimeline)
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ApplyAttachmentTimeline((AttachmentTimeline)timeline, skeleton, animationTime, blend, true);
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else
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timeline.Apply(skeleton, animationLast, animationTime, events, mix, blend, MixDirection.In);
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}
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} else {
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var timelineMode = current.timelineMode.Items;
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bool firstFrame = current.timelinesRotation.Count != timelineCount << 1;
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if (firstFrame) current.timelinesRotation.Resize(timelines.Count << 1);
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var timelinesRotation = current.timelinesRotation.Items;
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for (int ii = 0; ii < timelineCount; ii++) {
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Timeline timeline = timelinesItems[ii];
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MixBlend timelineBlend = timelineMode[ii] == AnimationState.Subsequent ? blend : MixBlend.Setup;
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var rotateTimeline = timeline as RotateTimeline;
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if (rotateTimeline != null)
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ApplyRotateTimeline(rotateTimeline, skeleton, animationTime, mix, timelineBlend, timelinesRotation,
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ii << 1, firstFrame);
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else if (timeline is AttachmentTimeline)
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ApplyAttachmentTimeline((AttachmentTimeline)timeline, skeleton, animationTime, blend, true);
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else
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timeline.Apply(skeleton, animationLast, animationTime, events, mix, timelineBlend, MixDirection.In);
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}
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}
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QueueEvents(current, animationTime);
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events.Clear(false);
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current.nextAnimationLast = animationTime;
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current.nextTrackLast = current.trackTime;
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}
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// Set slots attachments to the setup pose, if needed. This occurs if an animation that is mixing out sets attachments so
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// subsequent timelines see any deform, but the subsequent timelines don't set an attachment (eg they are also mixing out or
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// the time is before the first key).
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int setupState = unkeyedState + Setup;
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var slots = skeleton.slots.Items;
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for (int i = 0, n = skeleton.slots.Count; i < n; i++) {
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Slot slot = (Slot)slots[i];
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if (slot.attachmentState == setupState) {
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string attachmentName = slot.data.attachmentName;
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slot.Attachment = (attachmentName == null ? null : skeleton.GetAttachment(slot.data.index, attachmentName));
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}
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}
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unkeyedState += 2; // Increasing after each use avoids the need to reset attachmentState for every slot.
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queue.Drain();
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return applied;
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}
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/// <summary>Version of <see cref="Apply"/> only applying EventTimelines for lightweight off-screen updates.</summary>
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// Note: This method is not part of the libgdx reference implementation.
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public bool ApplyEventTimelinesOnly (Skeleton skeleton) {
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if (skeleton == null) throw new ArgumentNullException("skeleton", "skeleton cannot be null.");
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var events = this.events;
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bool applied = false;
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var tracksItems = tracks.Items;
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for (int i = 0, n = tracks.Count; i < n; i++) {
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TrackEntry current = tracksItems[i];
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if (current == null || current.delay > 0) continue;
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applied = true;
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// Apply mixing from entries first.
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if (current.mixingFrom != null)
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ApplyMixingFromEventTimelinesOnly(current, skeleton);
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// Apply current entry.
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float animationLast = current.animationLast, animationTime = current.AnimationTime;
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int timelineCount = current.animation.timelines.Count;
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var timelines = current.animation.timelines;
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var timelinesItems = timelines.Items;
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for (int ii = 0; ii < timelineCount; ii++) {
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Timeline timeline = timelinesItems[ii];
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if (timeline is EventTimeline)
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timeline.Apply(skeleton, animationLast, animationTime, events, 1.0f, MixBlend.Setup, MixDirection.In);
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}
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QueueEvents(current, animationTime);
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events.Clear(false);
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current.nextAnimationLast = animationTime;
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current.nextTrackLast = current.trackTime;
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}
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queue.Drain();
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return applied;
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}
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private float ApplyMixingFrom (TrackEntry to, Skeleton skeleton, MixBlend blend) {
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TrackEntry from = to.mixingFrom;
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if (from.mixingFrom != null) ApplyMixingFrom(from, skeleton, blend);
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float mix;
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if (to.mixDuration == 0) { // Single frame mix to undo mixingFrom changes.
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mix = 1;
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if (blend == MixBlend.First) blend = MixBlend.Setup; // Tracks > 0 are transparent and can't reset to setup pose.
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} else {
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mix = to.mixTime / to.mixDuration;
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if (mix > 1) mix = 1;
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if (blend != MixBlend.First) blend = from.mixBlend; // Track 0 ignores track mix blend.
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}
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var eventBuffer = mix < from.eventThreshold ? this.events : null;
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bool attachments = mix < from.attachmentThreshold, drawOrder = mix < from.drawOrderThreshold;
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float animationLast = from.animationLast, animationTime = from.AnimationTime;
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var timelines = from.animation.timelines;
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int timelineCount = timelines.Count;
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var timelinesItems = timelines.Items;
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float alphaHold = from.alpha * to.interruptAlpha, alphaMix = alphaHold * (1 - mix);
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if (blend == MixBlend.Add) {
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for (int i = 0; i < timelineCount; i++)
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timelinesItems[i].Apply(skeleton, animationLast, animationTime, eventBuffer, alphaMix, blend, MixDirection.Out);
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} else {
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var timelineMode = from.timelineMode.Items;
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var timelineHoldMix = from.timelineHoldMix.Items;
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bool firstFrame = from.timelinesRotation.Count != timelineCount << 1;
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if (firstFrame) from.timelinesRotation.Resize(timelines.Count << 1); // from.timelinesRotation.setSize
|
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var timelinesRotation = from.timelinesRotation.Items;
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from.totalAlpha = 0;
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for (int i = 0; i < timelineCount; i++) {
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Timeline timeline = timelinesItems[i];
|
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MixDirection direction = MixDirection.Out;
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MixBlend timelineBlend;
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float alpha;
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switch (timelineMode[i]) {
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case AnimationState.Subsequent:
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if (!drawOrder && timeline is DrawOrderTimeline) continue;
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timelineBlend = blend;
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alpha = alphaMix;
|
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break;
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case AnimationState.First:
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timelineBlend = MixBlend.Setup;
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alpha = alphaMix;
|
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break;
|
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case AnimationState.HoldSubsequent:
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timelineBlend = blend;
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alpha = alphaHold;
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break;
|
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case AnimationState.HoldFirst:
|
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timelineBlend = MixBlend.Setup;
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alpha = alphaHold;
|
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break;
|
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default: // HoldMix
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timelineBlend = MixBlend.Setup;
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TrackEntry holdMix = timelineHoldMix[i];
|
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alpha = alphaHold * Math.Max(0, 1 - holdMix.mixTime / holdMix.mixDuration);
|
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break;
|
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}
|
||
from.totalAlpha += alpha;
|
||
var rotateTimeline = timeline as RotateTimeline;
|
||
if (rotateTimeline != null) {
|
||
ApplyRotateTimeline(rotateTimeline, skeleton, animationTime, alpha, timelineBlend, timelinesRotation,
|
||
i << 1, firstFrame);
|
||
} else if (timeline is AttachmentTimeline) {
|
||
ApplyAttachmentTimeline((AttachmentTimeline)timeline, skeleton, animationTime, timelineBlend, attachments);
|
||
} else {
|
||
if (drawOrder && timeline is DrawOrderTimeline && timelineBlend == MixBlend.Setup)
|
||
direction = MixDirection.In;
|
||
timeline.Apply(skeleton, animationLast, animationTime, eventBuffer, alpha, timelineBlend, direction);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (to.mixDuration > 0) QueueEvents(from, animationTime);
|
||
this.events.Clear(false);
|
||
from.nextAnimationLast = animationTime;
|
||
from.nextTrackLast = from.trackTime;
|
||
|
||
return mix;
|
||
}
|
||
|
||
/// <summary>Version of <see cref="ApplyMixingFrom"/> only applying EventTimelines for lightweight off-screen updates.</summary>
|
||
// Note: This method is not part of the libgdx reference implementation.
|
||
private float ApplyMixingFromEventTimelinesOnly (TrackEntry to, Skeleton skeleton) {
|
||
TrackEntry from = to.mixingFrom;
|
||
if (from.mixingFrom != null) ApplyMixingFromEventTimelinesOnly(from, skeleton);
|
||
|
||
float mix;
|
||
if (to.mixDuration == 0) { // Single frame mix to undo mixingFrom changes.
|
||
mix = 1;
|
||
}
|
||
else {
|
||
mix = to.mixTime / to.mixDuration;
|
||
if (mix > 1) mix = 1;
|
||
}
|
||
|
||
var eventBuffer = mix < from.eventThreshold ? this.events : null;
|
||
if (eventBuffer == null)
|
||
return mix;
|
||
|
||
float animationLast = from.animationLast, animationTime = from.AnimationTime;
|
||
var timelines = from.animation.timelines;
|
||
int timelineCount = timelines.Count;
|
||
var timelinesItems = timelines.Items;
|
||
for (int i = 0; i < timelineCount; i++) {
|
||
var timeline = timelinesItems[i];
|
||
if (timeline is EventTimeline)
|
||
timeline.Apply(skeleton, animationLast, animationTime, eventBuffer, 0, MixBlend.Setup, MixDirection.Out);
|
||
}
|
||
|
||
if (to.mixDuration > 0) QueueEvents(from, animationTime);
|
||
this.events.Clear(false);
|
||
from.nextAnimationLast = animationTime;
|
||
from.nextTrackLast = from.trackTime;
|
||
|
||
return mix;
|
||
}
|
||
|
||
/// <summary> Applies the attachment timeline and sets <see cref="Slot.attachmentState"/>.</summary>
|
||
/// <param name="attachments">False when: 1) the attachment timeline is mixing out, 2) mix < attachmentThreshold, and 3) the timeline
|
||
/// is not the last timeline to set the slot's attachment. In that case the timeline is applied only so subsequent
|
||
/// timelines see any deform.</param>
|
||
private void ApplyAttachmentTimeline (AttachmentTimeline timeline, Skeleton skeleton, float time, MixBlend blend,
|
||
bool attachments) {
|
||
|
||
Slot slot = skeleton.slots.Items[timeline.slotIndex];
|
||
if (!slot.bone.active) return;
|
||
|
||
float[] frames = timeline.frames;
|
||
if (time < frames[0]) { // Time is before first frame.
|
||
if (blend == MixBlend.Setup || blend == MixBlend.First)
|
||
SetAttachment(skeleton, slot, slot.data.attachmentName, attachments);
|
||
}
|
||
else {
|
||
int frameIndex;
|
||
if (time >= frames[frames.Length - 1]) // Time is after last frame.
|
||
frameIndex = frames.Length - 1;
|
||
else
|
||
frameIndex = Animation.BinarySearch(frames, time) - 1;
|
||
SetAttachment(skeleton, slot, timeline.attachmentNames[frameIndex], attachments);
|
||
}
|
||
|
||
// If an attachment wasn't set (ie before the first frame or attachments is false), set the setup attachment later.
|
||
if (slot.attachmentState <= unkeyedState) slot.attachmentState = unkeyedState + Setup;
|
||
}
|
||
|
||
private void SetAttachment (Skeleton skeleton, Slot slot, String attachmentName, bool attachments) {
|
||
slot.Attachment = attachmentName == null ? null : skeleton.GetAttachment(slot.data.index, attachmentName);
|
||
if (attachments) slot.attachmentState = unkeyedState + Current;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Applies the rotate timeline, mixing with the current pose while keeping the same rotation direction chosen as the shortest
|
||
/// the first time the mixing was applied.</summary>
|
||
static private void ApplyRotateTimeline (RotateTimeline timeline, Skeleton skeleton, float time, float alpha, MixBlend blend,
|
||
float[] timelinesRotation, int i, bool firstFrame) {
|
||
|
||
if (firstFrame) timelinesRotation[i] = 0;
|
||
|
||
if (alpha == 1) {
|
||
timeline.Apply(skeleton, 0, time, null, 1, blend, MixDirection.In);
|
||
return;
|
||
}
|
||
|
||
Bone bone = skeleton.bones.Items[timeline.boneIndex];
|
||
if (!bone.active) return;
|
||
|
||
float[] frames = timeline.frames;
|
||
float r1, r2;
|
||
if (time < frames[0]) { // Time is before first frame.
|
||
switch (blend) {
|
||
case MixBlend.Setup:
|
||
bone.rotation = bone.data.rotation;
|
||
return;
|
||
default:
|
||
return;
|
||
case MixBlend.First:
|
||
r1 = bone.rotation;
|
||
r2 = bone.data.rotation;
|
||
break;
|
||
}
|
||
} else {
|
||
r1 = blend == MixBlend.Setup ? bone.data.rotation : bone.rotation;
|
||
if (time >= frames[frames.Length - RotateTimeline.ENTRIES]) // Time is after last frame.
|
||
r2 = bone.data.rotation + frames[frames.Length + RotateTimeline.PREV_ROTATION];
|
||
else {
|
||
// Interpolate between the previous frame and the current frame.
|
||
int frame = Animation.BinarySearch(frames, time, RotateTimeline.ENTRIES);
|
||
float prevRotation = frames[frame + RotateTimeline.PREV_ROTATION];
|
||
float frameTime = frames[frame];
|
||
float percent = timeline.GetCurvePercent((frame >> 1) - 1,
|
||
1 - (time - frameTime) / (frames[frame + RotateTimeline.PREV_TIME] - frameTime));
|
||
|
||
r2 = frames[frame + RotateTimeline.ROTATION] - prevRotation;
|
||
r2 -= (16384 - (int)(16384.499999999996 - r2 / 360)) * 360;
|
||
r2 = prevRotation + r2 * percent + bone.data.rotation;
|
||
r2 -= (16384 - (int)(16384.499999999996 - r2 / 360)) * 360;
|
||
}
|
||
}
|
||
|
||
// Mix between rotations using the direction of the shortest route on the first frame.
|
||
float total, diff = r2 - r1;
|
||
diff -= (16384 - (int)(16384.499999999996 - diff / 360)) * 360;
|
||
if (diff == 0) {
|
||
total = timelinesRotation[i];
|
||
} else {
|
||
float lastTotal, lastDiff;
|
||
if (firstFrame) {
|
||
lastTotal = 0;
|
||
lastDiff = diff;
|
||
} else {
|
||
lastTotal = timelinesRotation[i]; // Angle and direction of mix, including loops.
|
||
lastDiff = timelinesRotation[i + 1]; // Difference between bones.
|
||
}
|
||
bool current = diff > 0, dir = lastTotal >= 0;
|
||
// Detect cross at 0 (not 180).
|
||
if (Math.Sign(lastDiff) != Math.Sign(diff) && Math.Abs(lastDiff) <= 90) {
|
||
// A cross after a 360 rotation is a loop.
|
||
if (Math.Abs(lastTotal) > 180) lastTotal += 360 * Math.Sign(lastTotal);
|
||
dir = current;
|
||
}
|
||
total = diff + lastTotal - lastTotal % 360; // Store loops as part of lastTotal.
|
||
if (dir != current) total += 360 * Math.Sign(lastTotal);
|
||
timelinesRotation[i] = total;
|
||
}
|
||
timelinesRotation[i + 1] = diff;
|
||
r1 += total * alpha;
|
||
bone.rotation = r1 - (16384 - (int)(16384.499999999996 - r1 / 360)) * 360;
|
||
}
|
||
|
||
private void QueueEvents (TrackEntry entry, float animationTime) {
|
||
float animationStart = entry.animationStart, animationEnd = entry.animationEnd;
|
||
float duration = animationEnd - animationStart;
|
||
float trackLastWrapped = entry.trackLast % duration;
|
||
|
||
// Queue events before complete.
|
||
var events = this.events;
|
||
var eventsItems = events.Items;
|
||
int i = 0, n = events.Count;
|
||
for (; i < n; i++) {
|
||
Event e = eventsItems[i];
|
||
if (e.time < trackLastWrapped) break;
|
||
if (e.time > animationEnd) continue; // Discard events outside animation start/end.
|
||
queue.Event(entry, e);
|
||
}
|
||
|
||
// Queue complete if completed a loop iteration or the animation.
|
||
bool complete = false;
|
||
if (entry.loop)
|
||
complete = duration == 0 || (trackLastWrapped > entry.trackTime % duration);
|
||
else
|
||
complete = animationTime >= animationEnd && entry.animationLast < animationEnd;
|
||
if (complete) queue.Complete(entry);
|
||
|
||
// Queue events after complete.
|
||
for (; i < n; i++) {
|
||
Event e = eventsItems[i];
|
||
if (e.time < animationStart) continue; // Discard events outside animation start/end.
|
||
queue.Event(entry, eventsItems[i]);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// <para>Removes all animations from all tracks, leaving skeletons in their current pose.</para>
|
||
/// <para>
|
||
/// It may be desired to use <see cref="AnimationState.SetEmptyAnimations(float)"/> to mix the skeletons back to the setup pose,
|
||
/// rather than leaving them in their current pose.</para>
|
||
/// </summary>
|
||
public void ClearTracks () {
|
||
bool oldDrainDisabled = queue.drainDisabled;
|
||
queue.drainDisabled = true;
|
||
for (int i = 0, n = tracks.Count; i < n; i++) {
|
||
ClearTrack(i);
|
||
}
|
||
tracks.Clear();
|
||
queue.drainDisabled = oldDrainDisabled;
|
||
queue.Drain();
|
||
}
|
||
|
||
/// <summary>
|
||
/// <para>Removes all animations from the track, leaving skeletons in their current pose.</para>
|
||
/// <para>
|
||
/// It may be desired to use <see cref="AnimationState.SetEmptyAnimation(int, float)"/> to mix the skeletons back to the setup pose,
|
||
/// rather than leaving them in their current pose.</para>
|
||
/// </summary>
|
||
public void ClearTrack (int trackIndex) {
|
||
if (trackIndex >= tracks.Count) return;
|
||
TrackEntry current = tracks.Items[trackIndex];
|
||
if (current == null) return;
|
||
|
||
queue.End(current);
|
||
|
||
DisposeNext(current);
|
||
|
||
TrackEntry entry = current;
|
||
while (true) {
|
||
TrackEntry from = entry.mixingFrom;
|
||
if (from == null) break;
|
||
queue.End(from);
|
||
entry.mixingFrom = null;
|
||
entry.mixingTo = null;
|
||
entry = from;
|
||
}
|
||
|
||
tracks.Items[current.trackIndex] = null;
|
||
|
||
queue.Drain();
|
||
}
|
||
|
||
/// <summary>Sets the active TrackEntry for a given track number.</summary>
|
||
private void SetCurrent (int index, TrackEntry current, bool interrupt) {
|
||
TrackEntry from = ExpandToIndex(index);
|
||
tracks.Items[index] = current;
|
||
|
||
if (from != null) {
|
||
if (interrupt) queue.Interrupt(from);
|
||
current.mixingFrom = from;
|
||
from.mixingTo = current;
|
||
current.mixTime = 0;
|
||
|
||
// Store the interrupted mix percentage.
|
||
if (from.mixingFrom != null && from.mixDuration > 0)
|
||
current.interruptAlpha *= Math.Min(1, from.mixTime / from.mixDuration);
|
||
|
||
from.timelinesRotation.Clear(); // Reset rotation for mixing out, in case entry was mixed in.
|
||
}
|
||
|
||
queue.Start(current); // triggers AnimationsChanged
|
||
}
|
||
|
||
|
||
/// <summary>Sets an animation by name. <seealso cref="SetAnimation(int, Animation, bool)" /></summary>
|
||
public TrackEntry SetAnimation (int trackIndex, string animationName, bool loop) {
|
||
Animation animation = data.skeletonData.FindAnimation(animationName);
|
||
if (animation == null) throw new ArgumentException("Animation not found: " + animationName, "animationName");
|
||
return SetAnimation(trackIndex, animation, loop);
|
||
}
|
||
|
||
/// <summary>Sets the current animation for a track, discarding any queued animations. If the formerly current track entry was never
|
||
/// applied to a skeleton, it is replaced (not mixed from).</summary>
|
||
/// <param name="loop">If true, the animation will repeat. If false it will not, instead its last frame is applied if played beyond its
|
||
/// duration. In either case<see cref="TrackEntry.TrackEnd"/> determines when the track is cleared.</param>
|
||
/// <returns> A track entry to allow further customization of animation playback. References to the track entry must not be kept
|
||
/// after the <see cref="AnimationState.Dispose"/> event occurs.</returns>
|
||
public TrackEntry SetAnimation (int trackIndex, Animation animation, bool loop) {
|
||
if (animation == null) throw new ArgumentNullException("animation", "animation cannot be null.");
|
||
bool interrupt = true;
|
||
TrackEntry current = ExpandToIndex(trackIndex);
|
||
if (current != null) {
|
||
if (current.nextTrackLast == -1) {
|
||
// Don't mix from an entry that was never applied.
|
||
tracks.Items[trackIndex] = current.mixingFrom;
|
||
queue.Interrupt(current);
|
||
queue.End(current);
|
||
DisposeNext(current);
|
||
current = current.mixingFrom;
|
||
interrupt = false; // mixingFrom is current again, but don't interrupt it twice.
|
||
} else {
|
||
DisposeNext(current);
|
||
}
|
||
}
|
||
TrackEntry entry = NewTrackEntry(trackIndex, animation, loop, current);
|
||
SetCurrent(trackIndex, entry, interrupt);
|
||
queue.Drain();
|
||
return entry;
|
||
}
|
||
|
||
/// <summary>Queues an animation by name.</summary>
|
||
/// <seealso cref="AddAnimation(int, Animation, bool, float)" />
|
||
public TrackEntry AddAnimation (int trackIndex, string animationName, bool loop, float delay) {
|
||
Animation animation = data.skeletonData.FindAnimation(animationName);
|
||
if (animation == null) throw new ArgumentException("Animation not found: " + animationName, "animationName");
|
||
return AddAnimation(trackIndex, animation, loop, delay);
|
||
}
|
||
|
||
/// <summary>Adds an animation to be played after the current or last queued animation for a track. If the track is empty, it is
|
||
/// equivalent to calling <see cref="SetAnimation(int, Animation, bool)"/>.</summary>
|
||
/// <param name="delay">
|
||
/// If > 0, sets <see cref="TrackEntry.Delay"/>. If <= 0, the delay set is the duration of the previous track entry
|
||
/// minus any mix duration (from the {@link AnimationStateData}) plus the specified <code>Delay</code> (ie the mix
|
||
/// ends at (<code>Delay</code> = 0) or before (<code>Delay</code> < 0) the previous track entry duration). If the
|
||
/// previous entry is looping, its next loop completion is used instead of its duration.
|
||
/// </param>
|
||
/// <returns>A track entry to allow further customization of animation playback. References to the track entry must not be kept
|
||
/// after the <see cref="AnimationState.Dispose"/> event occurs.</returns>
|
||
public TrackEntry AddAnimation (int trackIndex, Animation animation, bool loop, float delay) {
|
||
if (animation == null) throw new ArgumentNullException("animation", "animation cannot be null.");
|
||
|
||
TrackEntry last = ExpandToIndex(trackIndex);
|
||
if (last != null) {
|
||
while (last.next != null)
|
||
last = last.next;
|
||
}
|
||
|
||
TrackEntry entry = NewTrackEntry(trackIndex, animation, loop, last);
|
||
|
||
if (last == null) {
|
||
SetCurrent(trackIndex, entry, true);
|
||
queue.Drain();
|
||
} else {
|
||
last.next = entry;
|
||
if (delay <= 0) {
|
||
float duration = last.animationEnd - last.animationStart;
|
||
if (duration != 0) {
|
||
if (last.loop) {
|
||
delay += duration * (1 + (int)(last.trackTime / duration)); // Completion of next loop.
|
||
} else {
|
||
delay += Math.Max(duration, last.trackTime); // After duration, else next update.
|
||
}
|
||
delay -= data.GetMix(last.animation, animation);
|
||
} else
|
||
delay = last.trackTime; // Next update.
|
||
}
|
||
}
|
||
|
||
entry.delay = delay;
|
||
return entry;
|
||
}
|
||
|
||
/// <summary>
|
||
/// <para>Sets an empty animation for a track, discarding any queued animations, and sets the track entry's
|
||
/// <see cref="TrackEntry.getMixDuration()"/>. An empty animation has no timelines and serves as a placeholder for mixing in or out.</para>
|
||
/// <para>
|
||
/// Mixing out is done by setting an empty animation with a mix duration using either <see cref="AnimationState.SetEmptyAnimation(int, float)"/>,
|
||
/// <see cref="AnimationState.SetEmptyAnimations(float)"/>, or <see cref="AnimationState.AddEmptyAnimation(int, float, float)"/>. Mixing to an empty animation causes
|
||
/// the previous animation to be applied less and less over the mix duration. Properties keyed in the previous animation
|
||
/// transition to the value from lower tracks or to the setup pose value if no lower tracks key the property. A mix duration of
|
||
/// 0 still mixes out over one frame.</para>
|
||
/// <para>
|
||
/// Mixing in is done by first setting an empty animation, then adding an animation using
|
||
/// <see cref="AnimationState.AddAnimation(int, Animation, boolean, float)"/> and on the returned track entry, set the
|
||
/// <see cref="TrackEntry.SetMixDuration(float)"/>. Mixing from an empty animation causes the new animation to be applied more and
|
||
/// more over the mix duration. Properties keyed in the new animation transition from the value from lower tracks or from the
|
||
/// setup pose value if no lower tracks key the property to the value keyed in the new animation.</para>
|
||
/// </summary>
|
||
public TrackEntry SetEmptyAnimation (int trackIndex, float mixDuration) {
|
||
TrackEntry entry = SetAnimation(trackIndex, AnimationState.EmptyAnimation, false);
|
||
entry.mixDuration = mixDuration;
|
||
entry.trackEnd = mixDuration;
|
||
return entry;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Adds an empty animation to be played after the current or last queued animation for a track, and sets the track entry's
|
||
/// <see cref="TrackEntry.MixDuration"/>. If the track is empty, it is equivalent to calling
|
||
/// <see cref="AnimationState.SetEmptyAnimation(int, float)"/>.</summary>
|
||
/// <seealso cref="AnimationState.SetEmptyAnimation(int, float)"/>
|
||
/// <param name="trackIndex">Track number.</param>
|
||
/// <param name="mixDuration">Mix duration.</param>
|
||
/// <param name="delay">If > 0, sets <see cref="TrackEntry.Delay"/>. If <= 0, the delay set is the duration of the previous track entry
|
||
/// minus any mix duration plus the specified <code>Delay</code> (ie the mix ends at (<code>Delay</code> = 0) or
|
||
/// before (<code>Delay</code> < 0) the previous track entry duration). If the previous entry is looping, its next
|
||
/// loop completion is used instead of its duration.</param>
|
||
/// <returns> A track entry to allow further customization of animation playback. References to the track entry must not be kept
|
||
/// after the <see cref="AnimationState.Dispose"/> event occurs.
|
||
/// </returns>
|
||
public TrackEntry AddEmptyAnimation (int trackIndex, float mixDuration, float delay) {
|
||
if (delay <= 0) delay -= mixDuration;
|
||
TrackEntry entry = AddAnimation(trackIndex, AnimationState.EmptyAnimation, false, delay);
|
||
entry.mixDuration = mixDuration;
|
||
entry.trackEnd = mixDuration;
|
||
return entry;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Sets an empty animation for every track, discarding any queued animations, and mixes to it over the specified mix
|
||
/// duration.</summary>
|
||
public void SetEmptyAnimations (float mixDuration) {
|
||
bool oldDrainDisabled = queue.drainDisabled;
|
||
queue.drainDisabled = true;
|
||
for (int i = 0, n = tracks.Count; i < n; i++) {
|
||
TrackEntry current = tracks.Items[i];
|
||
if (current != null) SetEmptyAnimation(current.trackIndex, mixDuration);
|
||
}
|
||
queue.drainDisabled = oldDrainDisabled;
|
||
queue.Drain();
|
||
}
|
||
|
||
private TrackEntry ExpandToIndex (int index) {
|
||
if (index < tracks.Count) return tracks.Items[index];
|
||
tracks.Resize(index + 1);
|
||
return null;
|
||
}
|
||
|
||
/// <summary>Object-pooling version of new TrackEntry. Obtain an unused TrackEntry from the pool and clear/initialize its values.</summary>
|
||
/// <param name="last">May be null.</param>
|
||
private TrackEntry NewTrackEntry (int trackIndex, Animation animation, bool loop, TrackEntry last) {
|
||
TrackEntry entry = trackEntryPool.Obtain(); // Pooling
|
||
entry.trackIndex = trackIndex;
|
||
entry.animation = animation;
|
||
entry.loop = loop;
|
||
entry.holdPrevious = false;
|
||
|
||
entry.eventThreshold = 0;
|
||
entry.attachmentThreshold = 0;
|
||
entry.drawOrderThreshold = 0;
|
||
|
||
entry.animationStart = 0;
|
||
entry.animationEnd = animation.Duration;
|
||
entry.animationLast = -1;
|
||
entry.nextAnimationLast = -1;
|
||
|
||
entry.delay = 0;
|
||
entry.trackTime = 0;
|
||
entry.trackLast = -1;
|
||
entry.nextTrackLast = -1; // nextTrackLast == -1 signifies a TrackEntry that wasn't applied yet.
|
||
entry.trackEnd = float.MaxValue; // loop ? float.MaxValue : animation.Duration;
|
||
entry.timeScale = 1;
|
||
|
||
entry.alpha = 1;
|
||
entry.interruptAlpha = 1;
|
||
entry.mixTime = 0;
|
||
entry.mixDuration = (last == null) ? 0 : data.GetMix(last.animation, animation);
|
||
return entry;
|
||
}
|
||
|
||
/// <summary>Dispose all track entries queued after the given TrackEntry.</summary>
|
||
private void DisposeNext (TrackEntry entry) {
|
||
TrackEntry next = entry.next;
|
||
while (next != null) {
|
||
queue.Dispose(next);
|
||
next = next.next;
|
||
}
|
||
entry.next = null;
|
||
}
|
||
|
||
private void AnimationsChanged () {
|
||
animationsChanged = false;
|
||
|
||
// Process in the order that animations are applied.
|
||
propertyIDs.Clear();
|
||
|
||
var tracksItems = tracks.Items;
|
||
for (int i = 0, n = tracks.Count; i < n; i++) {
|
||
TrackEntry entry = tracksItems[i];
|
||
if (entry == null) continue;
|
||
while (entry.mixingFrom != null) // Move to last entry, then iterate in reverse.
|
||
entry = entry.mixingFrom;
|
||
|
||
do {
|
||
if (entry.mixingTo == null || entry.mixBlend != MixBlend.Add) ComputeHold(entry);
|
||
entry = entry.mixingTo;
|
||
} while (entry != null);
|
||
}
|
||
}
|
||
|
||
private void ComputeHold (TrackEntry entry) {
|
||
TrackEntry to = entry.mixingTo;
|
||
var timelines = entry.animation.timelines.Items;
|
||
int timelinesCount = entry.animation.timelines.Count;
|
||
var timelineMode = entry.timelineMode.Resize(timelinesCount).Items; //timelineMode.setSize(timelinesCount);
|
||
entry.timelineHoldMix.Clear();
|
||
var timelineHoldMix = entry.timelineHoldMix.Resize(timelinesCount).Items; //timelineHoldMix.setSize(timelinesCount);
|
||
var propertyIDs = this.propertyIDs;
|
||
|
||
if (to != null && to.holdPrevious) {
|
||
for (int i = 0; i < timelinesCount; i++)
|
||
timelineMode[i] = propertyIDs.Add(timelines[i].PropertyId) ? AnimationState.HoldFirst : AnimationState.HoldSubsequent;
|
||
|
||
return;
|
||
}
|
||
|
||
// outer:
|
||
for (int i = 0; i < timelinesCount; i++) {
|
||
Timeline timeline = timelines[i];
|
||
int id = timeline.PropertyId;
|
||
if (!propertyIDs.Add(id))
|
||
timelineMode[i] = AnimationState.Subsequent;
|
||
else if (to == null || timeline is AttachmentTimeline || timeline is DrawOrderTimeline
|
||
|| timeline is EventTimeline || !to.animation.HasTimeline(id)) {
|
||
timelineMode[i] = AnimationState.First;
|
||
} else {
|
||
for (TrackEntry next = to.mixingTo; next != null; next = next.mixingTo) {
|
||
if (next.animation.HasTimeline(id)) continue;
|
||
if (next.mixDuration > 0) {
|
||
timelineMode[i] = AnimationState.HoldMix;
|
||
timelineHoldMix[i] = next;
|
||
goto continue_outer; // continue outer;
|
||
}
|
||
break;
|
||
}
|
||
timelineMode[i] = AnimationState.HoldFirst;
|
||
}
|
||
continue_outer: {}
|
||
}
|
||
}
|
||
|
||
/// <returns>The track entry for the animation currently playing on the track, or null if no animation is currently playing.</returns>
|
||
public TrackEntry GetCurrent (int trackIndex) {
|
||
if (trackIndex >= tracks.Count) return null;
|
||
return tracks.Items[trackIndex];
|
||
}
|
||
|
||
/// <summary> Discards all listener notifications that have not yet been delivered. This can be useful to call from an
|
||
/// AnimationState event subscriber when it is known that further notifications that may have been already queued for delivery
|
||
/// are not wanted because new animations are being set.
|
||
public void ClearListenerNotifications () {
|
||
queue.Clear();
|
||
}
|
||
|
||
/// <summary>
|
||
/// <para>Multiplier for the delta time when the animation state is updated, causing time for all animations and mixes to play slower
|
||
/// or faster. Defaults to 1.</para>
|
||
/// <para>
|
||
/// See TrackEntry <see cref="TrackEntry.TimeScale"/> for affecting a single animation.</para>
|
||
/// </summary>
|
||
public float TimeScale { get { return timeScale; } set { timeScale = value; } }
|
||
|
||
/// <summary>The AnimationStateData to look up mix durations.</summary>
|
||
public AnimationStateData Data {
|
||
get {
|
||
return data;
|
||
}
|
||
set {
|
||
if (data == null) throw new ArgumentNullException("data", "data cannot be null.");
|
||
this.data = value;
|
||
}
|
||
}
|
||
|
||
/// <summary>A list of tracks that have animations, which may contain nulls.</summary>
|
||
public ExposedList<TrackEntry> Tracks { get { return tracks; } }
|
||
|
||
override public string ToString () {
|
||
var buffer = new System.Text.StringBuilder();
|
||
for (int i = 0, n = tracks.Count; i < n; i++) {
|
||
TrackEntry entry = tracks.Items[i];
|
||
if (entry == null) continue;
|
||
if (buffer.Length > 0) buffer.Append(", ");
|
||
buffer.Append(entry.ToString());
|
||
}
|
||
if (buffer.Length == 0) return "<none>";
|
||
return buffer.ToString();
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// <para>
|
||
/// Stores settings and other state for the playback of an animation on an <see cref="AnimationState"/> track.</para>
|
||
/// <para>
|
||
/// References to a track entry must not be kept after the <see cref="AnimationStateListener.Dispose(TrackEntry)"/> event occurs.</para>
|
||
/// </summary>
|
||
public class TrackEntry : Pool<TrackEntry>.IPoolable {
|
||
internal Animation animation;
|
||
|
||
internal TrackEntry next, mixingFrom, mixingTo;
|
||
// difference to libgdx reference: delegates are used for event callbacks instead of 'AnimationStateListener listener'.
|
||
public event AnimationState.TrackEntryDelegate Start, Interrupt, End, Dispose, Complete;
|
||
public event AnimationState.TrackEntryEventDelegate Event;
|
||
internal void OnStart () { if (Start != null) Start(this); }
|
||
internal void OnInterrupt () { if (Interrupt != null) Interrupt(this); }
|
||
internal void OnEnd () { if (End != null) End(this); }
|
||
internal void OnDispose () { if (Dispose != null) Dispose(this); }
|
||
internal void OnComplete () { if (Complete != null) Complete(this); }
|
||
internal void OnEvent (Event e) { if (Event != null) Event(this, e); }
|
||
|
||
internal int trackIndex;
|
||
|
||
internal bool loop, holdPrevious;
|
||
internal float eventThreshold, attachmentThreshold, drawOrderThreshold;
|
||
internal float animationStart, animationEnd, animationLast, nextAnimationLast;
|
||
internal float delay, trackTime, trackLast, nextTrackLast, trackEnd, timeScale = 1f;
|
||
internal float alpha, mixTime, mixDuration, interruptAlpha, totalAlpha;
|
||
internal MixBlend mixBlend = MixBlend.Replace;
|
||
internal readonly ExposedList<int> timelineMode = new ExposedList<int>();
|
||
internal readonly ExposedList<TrackEntry> timelineHoldMix = new ExposedList<TrackEntry>();
|
||
internal readonly ExposedList<float> timelinesRotation = new ExposedList<float>();
|
||
|
||
// IPoolable.Reset()
|
||
public void Reset () {
|
||
next = null;
|
||
mixingFrom = null;
|
||
mixingTo = null;
|
||
animation = null;
|
||
// replaces 'listener = null;' since delegates are used for event callbacks
|
||
Start = null;
|
||
Interrupt = null;
|
||
End = null;
|
||
Dispose = null;
|
||
Complete = null;
|
||
Event = null;
|
||
timelineMode.Clear();
|
||
timelineHoldMix.Clear();
|
||
timelinesRotation.Clear();
|
||
}
|
||
|
||
/// <summary>The index of the track where this entry is either current or queued.</summary>
|
||
/// <seealso cref="AnimationState.GetCurrent(int)"/>
|
||
public int TrackIndex { get { return trackIndex; } }
|
||
|
||
/// <summary>The animation to apply for this track entry.</summary>
|
||
public Animation Animation { get { return animation; } }
|
||
|
||
/// <summary>
|
||
/// If true, the animation will repeat. If false it will not, instead its last frame is applied if played beyond its
|
||
/// duration.</summary>
|
||
public bool Loop { get { return loop; } set { loop = value; } }
|
||
|
||
///<summary>
|
||
/// <para>
|
||
/// Seconds to postpone playing the animation. When this track entry is the current track entry, <code>Delay</code>
|
||
/// postpones incrementing the <see cref="TrackEntry.TrackTime"/>. When this track entry is queued, <code>Delay</code> is the time from
|
||
/// the start of the previous animation to when this track entry will become the current track entry (ie when the previous
|
||
/// track entry <see cref="TrackEntry.TrackTime"/> >= this track entry's <code>Delay</code>).</para>
|
||
/// <para>
|
||
/// <see cref="TrackEntry.TimeScale"/> affects the delay.</para>
|
||
/// </summary>
|
||
public float Delay { get { return delay; } set { delay = value; } }
|
||
|
||
/// <summary>
|
||
/// Current time in seconds this track entry has been the current track entry. The track time determines
|
||
/// <see cref="TrackEntry.AnimationTime"/>. The track time can be set to start the animation at a time other than 0, without affecting
|
||
/// looping.</summary>
|
||
public float TrackTime { get { return trackTime; } set { trackTime = value; } }
|
||
|
||
/// <summary>
|
||
/// <para>
|
||
/// The track time in seconds when this animation will be removed from the track. Defaults to the highest possible float
|
||
/// value, meaning the animation will be applied until a new animation is set or the track is cleared. If the track end time
|
||
/// is reached, no other animations are queued for playback, and mixing from any previous animations is complete, then the
|
||
/// properties keyed by the animation are set to the setup pose and the track is cleared.</para>
|
||
/// <para>
|
||
/// It may be desired to use <see cref="AnimationState.AddEmptyAnimation(int, float, float)"/> rather than have the animation
|
||
/// abruptly cease being applied.</para>
|
||
/// </summary>
|
||
public float TrackEnd { get { return trackEnd; } set { trackEnd = value; } }
|
||
|
||
/// <summary>
|
||
/// <para>
|
||
/// Seconds when this animation starts, both initially and after looping. Defaults to 0.</para>
|
||
/// <para>
|
||
/// When changing the <code>AnimationStart</code> time, it often makes sense to set <see cref="TrackEntry.AnimationLast"> to the same
|
||
/// value to prevent timeline keys before the start time from triggering.</para>
|
||
/// </summary>
|
||
public float AnimationStart { get { return animationStart; } set { animationStart = value; } }
|
||
|
||
/// <summary>
|
||
/// Seconds for the last frame of this animation. Non-looping animations won't play past this time. Looping animations will
|
||
/// loop back to <see cref="TrackEntry.AnimationStart"/> at this time. Defaults to the animation <see cref="Animation.Duration"/>.
|
||
///</summary>
|
||
public float AnimationEnd { get { return animationEnd; } set { animationEnd = value; } }
|
||
|
||
/// <summary>
|
||
/// The time in seconds this animation was last applied. Some timelines use this for one-time triggers. Eg, when this
|
||
/// animation is applied, event timelines will fire all events between the <code>AnimationLast</code> time (exclusive) and
|
||
/// <code>AnimationTime</code> (inclusive). Defaults to -1 to ensure triggers on frame 0 happen the first time this animation
|
||
/// is applied.</summary>
|
||
public float AnimationLast {
|
||
get { return animationLast; }
|
||
set {
|
||
animationLast = value;
|
||
nextAnimationLast = value;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Uses <see cref="TrackEntry.TrackTime"/> to compute the <code>AnimationTime</code>, which is between <see cref="TrackEntry.AnimationStart"/>
|
||
/// and <see cref="TrackEntry.AnimationEnd"/>. When the <code>TrackTime</code> is 0, the <code>AnimationTime</code> is equal to the
|
||
/// <code>AnimationStart</code> time.
|
||
/// </summary>
|
||
public float AnimationTime {
|
||
get {
|
||
if (loop) {
|
||
float duration = animationEnd - animationStart;
|
||
if (duration == 0) return animationStart;
|
||
return (trackTime % duration) + animationStart;
|
||
}
|
||
return Math.Min(trackTime + animationStart, animationEnd);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// <para>
|
||
/// Multiplier for the delta time when this track entry is updated, causing time for this animation to pass slower or
|
||
/// faster. Defaults to 1.</para>
|
||
/// <para>
|
||
/// <see cref="TrackEntry.MixTime"/> is not affected by track entry time scale, so <see cref="TrackEntry.MixDuration"/> may need to be adjusted to
|
||
/// match the animation speed.</para>
|
||
/// <para>
|
||
/// When using <see cref="AnimationState.AddAnimation(int, Animation, boolean, float)"> with a <code>Delay</code> <= 0, note the
|
||
/// {<see cref="TrackEntry.Delay"/> is set using the mix duration from the <see cref="AnimationStateData"/>, assuming time scale to be 1. If
|
||
/// the time scale is not 1, the delay may need to be adjusted.</para>
|
||
/// <para>
|
||
/// See AnimationState <see cref="AnimationState.TimeScale"/> for affecting all animations.</para>
|
||
/// </summary>
|
||
public float TimeScale { get { return timeScale; } set { timeScale = value; } }
|
||
|
||
/// <summary>
|
||
/// <para>
|
||
/// Values < 1 mix this animation with the skeleton's current pose (usually the pose resulting from lower tracks). Defaults
|
||
/// to 1, which overwrites the skeleton's current pose with this animation.</para>
|
||
/// <para>
|
||
/// Typically track 0 is used to completely pose the skeleton, then alpha is used on higher tracks. It doesn't make sense to
|
||
/// use alpha on track 0 if the skeleton pose is from the last frame render.</para>
|
||
/// </summary>
|
||
public float Alpha { get { return alpha; } set { alpha = value; } }
|
||
|
||
/// <summary>
|
||
/// When the mix percentage (<see cref="TrackEntry.MixTime"/> / <see cref="TrackEntry.MixDuration"/>) is less than the
|
||
/// <code>EventThreshold</code>, event timelines are applied while this animation is being mixed out. Defaults to 0, so event
|
||
/// timelines are not applied while this animation is being mixed out.
|
||
/// </summary>
|
||
public float EventThreshold { get { return eventThreshold; } set { eventThreshold = value; } }
|
||
|
||
/// <summary>
|
||
/// When the mix percentage (<see cref="TrackEntry.MixTime"/> / <see cref="TrackEntry.MixDuration"/>) is less than the
|
||
/// <code>AttachmentThreshold</code>, attachment timelines are applied while this animation is being mixed out. Defaults to
|
||
/// 0, so attachment timelines are not applied while this animation is being mixed out.
|
||
///</summary>
|
||
public float AttachmentThreshold { get { return attachmentThreshold; } set { attachmentThreshold = value; } }
|
||
|
||
/// <summary>
|
||
/// When the mix percentage (<see cref="TrackEntry.MixTime"/> / <see cref="TrackEntry.MixDuration"/>) is less than the
|
||
/// <code>DrawOrderThreshold</code>, draw order timelines are applied while this animation is being mixed out. Defaults to 0,
|
||
/// so draw order timelines are not applied while this animation is being mixed out.
|
||
/// </summary>
|
||
public float DrawOrderThreshold { get { return drawOrderThreshold; } set { drawOrderThreshold = value; } }
|
||
|
||
/// <summary>
|
||
/// The animation queued to start after this animation, or null. <code>Next</code> makes up a linked list. </summary>
|
||
public TrackEntry Next { get { return next; } }
|
||
|
||
/// <summary>
|
||
/// Returns true if at least one loop has been completed.</summary>
|
||
/// <seealso cref="TrackEntry.Complete"/>
|
||
public bool IsComplete {
|
||
get { return trackTime >= animationEnd - animationStart; }
|
||
}
|
||
|
||
/// <summary>
|
||
/// Seconds from 0 to the <see cref="TrackEntry.MixDuration"/> when mixing from the previous animation to this animation. May be
|
||
/// slightly more than <code>MixDuration</code> when the mix is complete.</summary>
|
||
public float MixTime { get { return mixTime; } set { mixTime = value; } }
|
||
|
||
/// <summary>
|
||
/// <para>
|
||
/// Seconds for mixing from the previous animation to this animation. Defaults to the value provided by AnimationStateData
|
||
/// <see cref="AnimationStateData.GetMix(Animation, Animation)"/> based on the animation before this animation (if any).</para>
|
||
/// <para>
|
||
/// The <code>MixDuration</code> can be set manually rather than use the value from
|
||
/// <see cref="AnimationStateData.GetMix(Animation, Animation)"/>. In that case, the <code>MixDuration</code> can be set for a new
|
||
/// track entry only before <see cref="AnimationState.Update(float)"/> is first called.</para>
|
||
/// <para>
|
||
/// When using <seealso cref="AnimationState.AddAnimation(int, Animation, bool, float)"/> with a <code>Delay</code> <= 0, note the
|
||
/// <see cref="TrackEntry.Delay"/> is set using the mix duration from the <see cref=" AnimationStateData"/>, not a mix duration set
|
||
/// afterward.</para>
|
||
/// </summary>
|
||
public float MixDuration { get { return mixDuration; } set { mixDuration = value; } }
|
||
|
||
/// <summary>
|
||
/// <para>
|
||
/// Controls how properties keyed in the animation are mixed with lower tracks. Defaults to <see cref="MixBlend.Replace"/>, which
|
||
/// replaces the values from the lower tracks with the animation values. <see cref="MixBlend.Add"/> adds the animation values to
|
||
/// the values from the lower tracks.</para>
|
||
/// <para>
|
||
/// The <code>MixBlend</code> can be set for a new track entry only before <see cref="AnimationState.Apply(Skeleton)"/> is first
|
||
/// called.</para>
|
||
/// </summary>
|
||
public MixBlend MixBlend { get { return mixBlend; } set { mixBlend = value; } }
|
||
|
||
/// <summary>
|
||
/// The track entry for the previous animation when mixing from the previous animation to this animation, or null if no
|
||
/// mixing is currently occuring. When mixing from multiple animations, <code>MixingFrom</code> makes up a linked list.</summary>
|
||
public TrackEntry MixingFrom { get { return mixingFrom; } }
|
||
|
||
/// <summary>
|
||
/// The track entry for the next animation when mixing from this animation to the next animation, or null if no mixing is
|
||
/// currently occuring. When mixing to multiple animations, <code>MixingTo</code> makes up a linked list.</summary>
|
||
public TrackEntry MixingTo { get { return mixingTo; } }
|
||
|
||
/// <summary>
|
||
/// <para>
|
||
/// If true, when mixing from the previous animation to this animation, the previous animation is applied as normal instead
|
||
/// of being mixed out.</para>
|
||
/// <para>
|
||
/// When mixing between animations that key the same property, if a lower track also keys that property then the value will
|
||
/// briefly dip toward the lower track value during the mix. This happens because the first animation mixes from 100% to 0%
|
||
/// while the second animation mixes from 0% to 100%. Setting <code>HoldPrevious</code> to true applies the first animation
|
||
/// at 100% during the mix so the lower track value is overwritten. Such dipping does not occur on the lowest track which
|
||
/// keys the property, only when a higher track also keys the property.</para>
|
||
/// <para>
|
||
/// Snapping will occur if <code>HoldPrevious</code> is true and this animation does not key all the same properties as the
|
||
/// previous animation.</para>
|
||
/// </summary>
|
||
public bool HoldPrevious { get { return holdPrevious; } set { holdPrevious = value; } }
|
||
|
||
/// <summary>
|
||
/// <para>
|
||
/// Resets the rotation directions for mixing this entry's rotate timelines. This can be useful to avoid bones rotating the
|
||
/// long way around when using <see cref="alpha"/> and starting animations on other tracks.</para>
|
||
/// <para>
|
||
/// Mixing with <see cref="MixBlend.Replace"/> involves finding a rotation between two others, which has two possible solutions:
|
||
/// the short way or the long way around. The two rotations likely change over time, so which direction is the short or long
|
||
/// way also changes. If the short way was always chosen, bones would flip to the other side when that direction became the
|
||
/// long way. TrackEntry chooses the short way the first time it is applied and remembers that direction.</para>
|
||
/// </summary>
|
||
public void ResetRotationDirections () {
|
||
timelinesRotation.Clear();
|
||
}
|
||
|
||
override public string ToString () {
|
||
return animation == null ? "<none>" : animation.name;
|
||
}
|
||
}
|
||
|
||
class EventQueue {
|
||
private readonly List<EventQueueEntry> eventQueueEntries = new List<EventQueueEntry>();
|
||
internal bool drainDisabled;
|
||
|
||
private readonly AnimationState state;
|
||
private readonly Pool<TrackEntry> trackEntryPool;
|
||
internal event Action AnimationsChanged;
|
||
|
||
internal EventQueue (AnimationState state, Action HandleAnimationsChanged, Pool<TrackEntry> trackEntryPool) {
|
||
this.state = state;
|
||
this.AnimationsChanged += HandleAnimationsChanged;
|
||
this.trackEntryPool = trackEntryPool;
|
||
}
|
||
|
||
struct EventQueueEntry {
|
||
public EventType type;
|
||
public TrackEntry entry;
|
||
public Event e;
|
||
|
||
public EventQueueEntry (EventType eventType, TrackEntry trackEntry, Event e = null) {
|
||
this.type = eventType;
|
||
this.entry = trackEntry;
|
||
this.e = e;
|
||
}
|
||
}
|
||
|
||
enum EventType {
|
||
Start, Interrupt, End, Dispose, Complete, Event
|
||
}
|
||
|
||
internal void Start (TrackEntry entry) {
|
||
eventQueueEntries.Add(new EventQueueEntry(EventType.Start, entry));
|
||
if (AnimationsChanged != null) AnimationsChanged();
|
||
}
|
||
|
||
internal void Interrupt (TrackEntry entry) {
|
||
eventQueueEntries.Add(new EventQueueEntry(EventType.Interrupt, entry));
|
||
}
|
||
|
||
internal void End (TrackEntry entry) {
|
||
eventQueueEntries.Add(new EventQueueEntry(EventType.End, entry));
|
||
if (AnimationsChanged != null) AnimationsChanged();
|
||
}
|
||
|
||
internal void Dispose (TrackEntry entry) {
|
||
eventQueueEntries.Add(new EventQueueEntry(EventType.Dispose, entry));
|
||
}
|
||
|
||
internal void Complete (TrackEntry entry) {
|
||
eventQueueEntries.Add(new EventQueueEntry(EventType.Complete, entry));
|
||
}
|
||
|
||
internal void Event (TrackEntry entry, Event e) {
|
||
eventQueueEntries.Add(new EventQueueEntry(EventType.Event, entry, e));
|
||
}
|
||
|
||
/// <summary>Raises all events in the queue and drains the queue.</summary>
|
||
internal void Drain () {
|
||
if (drainDisabled) return;
|
||
drainDisabled = true;
|
||
|
||
var entries = this.eventQueueEntries;
|
||
AnimationState state = this.state;
|
||
|
||
// Don't cache entries.Count so callbacks can queue their own events (eg, call SetAnimation in AnimationState_Complete).
|
||
for (int i = 0; i < entries.Count; i++) {
|
||
var queueEntry = entries[i];
|
||
TrackEntry trackEntry = queueEntry.entry;
|
||
|
||
switch (queueEntry.type) {
|
||
case EventType.Start:
|
||
trackEntry.OnStart();
|
||
state.OnStart(trackEntry);
|
||
break;
|
||
case EventType.Interrupt:
|
||
trackEntry.OnInterrupt();
|
||
state.OnInterrupt(trackEntry);
|
||
break;
|
||
case EventType.End:
|
||
trackEntry.OnEnd();
|
||
state.OnEnd(trackEntry);
|
||
goto case EventType.Dispose; // Fall through. (C#)
|
||
case EventType.Dispose:
|
||
trackEntry.OnDispose();
|
||
state.OnDispose(trackEntry);
|
||
trackEntryPool.Free(trackEntry); // Pooling
|
||
break;
|
||
case EventType.Complete:
|
||
trackEntry.OnComplete();
|
||
state.OnComplete(trackEntry);
|
||
break;
|
||
case EventType.Event:
|
||
trackEntry.OnEvent(queueEntry.e);
|
||
state.OnEvent(trackEntry, queueEntry.e);
|
||
break;
|
||
}
|
||
}
|
||
eventQueueEntries.Clear();
|
||
|
||
drainDisabled = false;
|
||
}
|
||
|
||
internal void Clear () {
|
||
eventQueueEntries.Clear();
|
||
}
|
||
}
|
||
|
||
public class Pool<T> where T : class, new() {
|
||
public readonly int max;
|
||
readonly Stack<T> freeObjects;
|
||
|
||
public int Count { get { return freeObjects.Count; } }
|
||
public int Peak { get; private set; }
|
||
|
||
public Pool (int initialCapacity = 16, int max = int.MaxValue) {
|
||
freeObjects = new Stack<T>(initialCapacity);
|
||
this.max = max;
|
||
}
|
||
|
||
public T Obtain () {
|
||
return freeObjects.Count == 0 ? new T() : freeObjects.Pop();
|
||
}
|
||
|
||
public void Free (T obj) {
|
||
if (obj == null) throw new ArgumentNullException("obj", "obj cannot be null");
|
||
if (freeObjects.Count < max) {
|
||
freeObjects.Push(obj);
|
||
Peak = Math.Max(Peak, freeObjects.Count);
|
||
}
|
||
Reset(obj);
|
||
}
|
||
|
||
// protected void FreeAll (List<T> objects) {
|
||
// if (objects == null) throw new ArgumentNullException("objects", "objects cannot be null.");
|
||
// var freeObjects = this.freeObjects;
|
||
// int max = this.max;
|
||
// for (int i = 0; i < objects.Count; i++) {
|
||
// T obj = objects[i];
|
||
// if (obj == null) continue;
|
||
// if (freeObjects.Count < max) freeObjects.Push(obj);
|
||
// Reset(obj);
|
||
// }
|
||
// Peak = Math.Max(Peak, freeObjects.Count);
|
||
// }
|
||
|
||
public void Clear () {
|
||
freeObjects.Clear();
|
||
}
|
||
|
||
protected void Reset (T obj) {
|
||
var poolable = obj as IPoolable;
|
||
if (poolable != null) poolable.Reset();
|
||
}
|
||
|
||
public interface IPoolable {
|
||
void Reset ();
|
||
}
|
||
}
|
||
|
||
}
|