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@@ -1,415 +0,0 @@
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-/*******************************************************************************
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- * Copyright (c) 2013, Esoteric Software
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- * All rights reserved.
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- *
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- * Redistribution and use in source and binary forms, with or without
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- * modification, are permitted provided that the following conditions are met:
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- *
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- * 1. Redistributions of source code must retain the above copyright notice, this
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- * list of conditions and the following disclaimer.
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- * 2. Redistributions in binary form must reproduce the above copyright notice,
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- * this list of conditions and the following disclaimer in the documentation
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- * and/or other materials provided with the distribution.
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- *
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- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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- * ANY 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 THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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- * ANY 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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- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 THIS
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- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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- ******************************************************************************/
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-
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-using System;
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-using System.Collections.Generic;
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-
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-namespace Spine {
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- public class Animation {
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- public String Name { get; private set; }
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- public List<Timeline> Timelines { get; set; }
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- public float Duration { get; set; }
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-
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- public Animation (String name, List<Timeline> timelines, float duration) {
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- if (name == null) throw new ArgumentNullException("name cannot be null.");
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- if (timelines == null) throw new ArgumentNullException("timelines cannot be null.");
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- Name = name;
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- Timelines = timelines;
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- Duration = duration;
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- }
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-
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- /** Poses the skeleton at the specified time for this animation. */
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- public void Apply (Skeleton skeleton, float time, bool loop) {
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- if (skeleton == null) throw new ArgumentNullException("skeleton cannot be null.");
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-
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- if (loop && Duration != 0) time %= Duration;
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-
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- List<Timeline> timelines = Timelines;
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- for (int i = 0, n = timelines.Count; i < n; i++)
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- timelines[i].Apply(skeleton, time, 1);
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- }
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-
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- /** Poses the skeleton at the specified time for this animation mixed with the current pose.
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- * @param alpha The amount of this animation that affects the current pose. */
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- public void Mix (Skeleton skeleton, float time, bool loop, float alpha) {
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- if (skeleton == null) throw new ArgumentNullException("skeleton cannot be null.");
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-
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- if (loop && Duration != 0) time %= Duration;
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-
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- List<Timeline> timelines = Timelines;
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- for (int i = 0, n = timelines.Count; i < n; i++)
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- timelines[i].Apply(skeleton, time, alpha);
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- }
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-
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- /** @param target After the first and before the last entry. */
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- internal static int binarySearch (float[] values, float target, int step) {
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- int low = 0;
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- int high = values.Length / step - 2;
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- if (high == 0) return step;
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- int current = (int)((uint)high >> 1);
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- while (true) {
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- if (values[(current + 1) * step] <= target)
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- low = current + 1;
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- else
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- high = current;
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- if (low == high) return (low + 1) * step;
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- current = (int)((uint)(low + high) >> 1);
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- }
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- }
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-
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- internal static int linearSearch (float[] values, float target, int step) {
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- for (int i = 0, last = values.Length - step; i <= last; i += step)
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- if (values[i] > target) return i;
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- return -1;
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- }
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- }
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-
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- public interface Timeline {
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- /** Sets the value(s) for the specified time. */
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- void Apply (Skeleton skeleton, float time, float alpha);
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- }
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-
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- /** Base class for frames that use an interpolation bezier curve. */
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- abstract public class CurveTimeline : Timeline {
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- static protected float LINEAR = 0;
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- static protected float STEPPED = -1;
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- static protected int BEZIER_SEGMENTS = 10;
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-
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- private float[] curves; // dfx, dfy, ddfx, ddfy, dddfx, dddfy, ...
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- public int FrameCount {
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- get {
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- return curves.Length / 6 + 1;
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- }
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- }
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-
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- public CurveTimeline (int frameCount) {
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- curves = new float[(frameCount - 1) * 6];
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- }
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-
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- abstract public void Apply (Skeleton skeleton, float time, float alpha);
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-
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- public void SetLinear (int frameIndex) {
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- curves[frameIndex * 6] = LINEAR;
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- }
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-
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- public void SetStepped (int frameIndex) {
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- curves[frameIndex * 6] = STEPPED;
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- }
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-
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- /** Sets the control handle positions for an interpolation bezier curve used to transition from this keyframe to the next.
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- * cx1 and cx2 are from 0 to 1, representing the percent of time between the two keyframes. cy1 and cy2 are the percent of
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- * the difference between the keyframe's values. */
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- public void SetCurve (int frameIndex, float cx1, float cy1, float cx2, float cy2) {
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- float subdiv_step = 1f / BEZIER_SEGMENTS;
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- float subdiv_step2 = subdiv_step * subdiv_step;
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- float subdiv_step3 = subdiv_step2 * subdiv_step;
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- float pre1 = 3 * subdiv_step;
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- float pre2 = 3 * subdiv_step2;
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- float pre4 = 6 * subdiv_step2;
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- float pre5 = 6 * subdiv_step3;
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- float tmp1x = -cx1 * 2 + cx2;
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- float tmp1y = -cy1 * 2 + cy2;
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- float tmp2x = (cx1 - cx2) * 3 + 1;
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- float tmp2y = (cy1 - cy2) * 3 + 1;
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- int i = frameIndex * 6;
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- float[] curves = this.curves;
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- curves[i] = cx1 * pre1 + tmp1x * pre2 + tmp2x * subdiv_step3;
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- curves[i + 1] = cy1 * pre1 + tmp1y * pre2 + tmp2y * subdiv_step3;
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- curves[i + 2] = tmp1x * pre4 + tmp2x * pre5;
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- curves[i + 3] = tmp1y * pre4 + tmp2y * pre5;
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- curves[i + 4] = tmp2x * pre5;
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- curves[i + 5] = tmp2y * pre5;
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- }
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-
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- public float GetCurvePercent (int frameIndex, float percent) {
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- int curveIndex = frameIndex * 6;
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- float[] curves = this.curves;
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- float dfx = curves[curveIndex];
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- if (dfx == LINEAR) return percent;
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- if (dfx == STEPPED) return 0;
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- float dfy = curves[curveIndex + 1];
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- float ddfx = curves[curveIndex + 2];
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- float ddfy = curves[curveIndex + 3];
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- float dddfx = curves[curveIndex + 4];
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- float dddfy = curves[curveIndex + 5];
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- float x = dfx, y = dfy;
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- int i = BEZIER_SEGMENTS - 2;
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- while (true) {
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- if (x >= percent) {
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- float lastX = x - dfx;
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- float lastY = y - dfy;
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- return lastY + (y - lastY) * (percent - lastX) / (x - lastX);
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- }
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- if (i == 0) break;
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- i--;
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- dfx += ddfx;
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- dfy += ddfy;
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- ddfx += dddfx;
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- ddfy += dddfy;
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- x += dfx;
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- y += dfy;
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- }
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- return y + (1 - y) * (percent - x) / (1 - x); // Last point is 1,1.
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- }
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- }
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-
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- public class RotateTimeline : CurveTimeline {
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- static protected int LAST_FRAME_TIME = -2;
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- static protected int FRAME_VALUE = 1;
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-
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- public int BoneIndex { get; set; }
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- public float[] Frames { get; private set; } // time, value, ...
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-
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- public RotateTimeline (int frameCount)
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- : base(frameCount) {
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- Frames = new float[frameCount * 2];
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- }
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-
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- /** Sets the time and value of the specified keyframe. */
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- public void SetFrame (int frameIndex, float time, float angle) {
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- frameIndex *= 2;
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- Frames[frameIndex] = time;
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- Frames[frameIndex + 1] = angle;
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- }
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-
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- override public void Apply (Skeleton skeleton, float time, float alpha) {
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- float[] frames = Frames;
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- if (time < frames[0]) return; // Time is before first frame.
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-
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- Bone bone = skeleton.Bones[BoneIndex];
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-
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- float amount;
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-
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- if (time >= frames[frames.Length - 2]) { // Time is after last frame.
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- amount = bone.Data.Rotation + frames[frames.Length - 1] - bone.Rotation;
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- while (amount > 180)
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- amount -= 360;
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- while (amount < -180)
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- amount += 360;
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- bone.Rotation += amount * alpha;
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- return;
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- }
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-
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- // Interpolate between the last frame and the current frame.
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- int frameIndex = Animation.binarySearch(frames, time, 2);
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- float lastFrameValue = frames[frameIndex - 1];
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- float frameTime = frames[frameIndex];
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- float percent = 1 - (time - frameTime) / (frames[frameIndex + LAST_FRAME_TIME] - frameTime);
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- percent = GetCurvePercent(frameIndex / 2 - 1, percent < 0 ? 0 : (percent > 1 ? 1 : percent));
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-
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- amount = frames[frameIndex + FRAME_VALUE] - lastFrameValue;
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- while (amount > 180)
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- amount -= 360;
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- while (amount < -180)
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- amount += 360;
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- amount = bone.Data.Rotation + (lastFrameValue + amount * percent) - bone.Rotation;
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- while (amount > 180)
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- amount -= 360;
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- while (amount < -180)
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- amount += 360;
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- bone.Rotation += amount * alpha;
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- }
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- }
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-
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- public class TranslateTimeline : CurveTimeline {
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- static protected int LAST_FRAME_TIME = -3;
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- static protected int FRAME_X = 1;
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- static protected int FRAME_Y = 2;
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-
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- public int BoneIndex { get; set; }
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- public float[] Frames { get; private set; } // time, value, value, ...
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-
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- public TranslateTimeline (int frameCount)
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- : base(frameCount) {
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- Frames = new float[frameCount * 3];
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- }
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-
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- /** Sets the time and value of the specified keyframe. */
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- public void SetFrame (int frameIndex, float time, float x, float y) {
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- frameIndex *= 3;
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- Frames[frameIndex] = time;
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- Frames[frameIndex + 1] = x;
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- Frames[frameIndex + 2] = y;
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- }
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-
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- override public void Apply (Skeleton skeleton, float time, float alpha) {
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- float[] frames = Frames;
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- if (time < frames[0]) return; // Time is before first frame.
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-
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- Bone bone = skeleton.Bones[BoneIndex];
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-
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- if (time >= frames[frames.Length - 3]) { // Time is after last frame.
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- bone.X += (bone.Data.X + frames[frames.Length - 2] - bone.X) * alpha;
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- bone.Y += (bone.Data.Y + frames[frames.Length - 1] - bone.Y) * alpha;
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- return;
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- }
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-
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- // Interpolate between the last frame and the current frame.
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- int frameIndex = Animation.binarySearch(frames, time, 3);
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- float lastFrameX = frames[frameIndex - 2];
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- float lastFrameY = frames[frameIndex - 1];
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- float frameTime = frames[frameIndex];
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- float percent = 1 - (time - frameTime) / (frames[frameIndex + LAST_FRAME_TIME] - frameTime);
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- percent = GetCurvePercent(frameIndex / 3 - 1, percent < 0 ? 0 : (percent > 1 ? 1 : percent));
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-
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- bone.X += (bone.Data.X + lastFrameX + (frames[frameIndex + FRAME_X] - lastFrameX) * percent - bone.X) * alpha;
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- bone.Y += (bone.Data.Y + lastFrameY + (frames[frameIndex + FRAME_Y] - lastFrameY) * percent - bone.Y) * alpha;
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- }
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- }
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-
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- public class ScaleTimeline : TranslateTimeline {
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- public ScaleTimeline (int frameCount)
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- : base(frameCount) {
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- }
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-
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- override public void Apply (Skeleton skeleton, float time, float alpha) {
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- float[] frames = Frames;
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- if (time < frames[0]) return; // Time is before first frame.
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-
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- Bone bone = skeleton.Bones[BoneIndex];
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- if (time >= frames[frames.Length - 3]) { // Time is after last frame.
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- bone.ScaleX += (bone.Data.ScaleX - 1 + frames[frames.Length - 2] - bone.ScaleX) * alpha;
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- bone.ScaleY += (bone.Data.ScaleY - 1 + frames[frames.Length - 1] - bone.ScaleY) * alpha;
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- return;
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- }
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-
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- // Interpolate between the last frame and the current frame.
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- int frameIndex = Animation.binarySearch(frames, time, 3);
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- float lastFrameX = frames[frameIndex - 2];
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- float lastFrameY = frames[frameIndex - 1];
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- float frameTime = frames[frameIndex];
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- float percent = 1 - (time - frameTime) / (frames[frameIndex + LAST_FRAME_TIME] - frameTime);
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- percent = GetCurvePercent(frameIndex / 3 - 1, percent < 0 ? 0 : (percent > 1 ? 1 : percent));
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-
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- bone.ScaleX += (bone.Data.ScaleX - 1 + lastFrameX + (frames[frameIndex + FRAME_X] - lastFrameX) * percent - bone.ScaleX) * alpha;
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- bone.ScaleY += (bone.Data.ScaleY - 1 + lastFrameY + (frames[frameIndex + FRAME_Y] - lastFrameY) * percent - bone.ScaleY) * alpha;
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- }
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- }
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-
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- public class ColorTimeline : CurveTimeline {
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- static protected int LAST_FRAME_TIME = -5;
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- static protected int FRAME_R = 1;
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- static protected int FRAME_G = 2;
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- static protected int FRAME_B = 3;
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- static protected int FRAME_A = 4;
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-
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- public int SlotIndex { get; set; }
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- public float[] Frames { get; private set; } // time, r, g, b, a, ...
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-
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- public ColorTimeline (int frameCount)
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- : base(frameCount) {
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- Frames = new float[frameCount * 5];
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- }
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-
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- /** Sets the time and value of the specified keyframe. */
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- public void setFrame (int frameIndex, float time, float r, float g, float b, float a) {
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- frameIndex *= 5;
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- Frames[frameIndex] = time;
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- Frames[frameIndex + 1] = r;
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- Frames[frameIndex + 2] = g;
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- Frames[frameIndex + 3] = b;
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- Frames[frameIndex + 4] = a;
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- }
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-
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- override public void Apply (Skeleton skeleton, float time, float alpha) {
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- float[] frames = Frames;
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- if (time < frames[0]) return; // Time is before first frame.
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-
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- Slot slot = skeleton.Slots[SlotIndex];
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-
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- if (time >= frames[frames.Length - 5]) { // Time is after last frame.
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- int i = frames.Length - 1;
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- slot.R = frames[i - 3];
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- slot.G = frames[i - 2];
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- slot.B = frames[i - 1];
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- slot.A = frames[i];
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- return;
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- }
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-
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- // Interpolate between the last frame and the current frame.
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- int frameIndex = Animation.binarySearch(frames, time, 5);
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- float lastFrameR = frames[frameIndex - 4];
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- float lastFrameG = frames[frameIndex - 3];
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- float lastFrameB = frames[frameIndex - 2];
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- float lastFrameA = frames[frameIndex - 1];
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- float frameTime = frames[frameIndex];
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- float percent = 1 - (time - frameTime) / (frames[frameIndex + LAST_FRAME_TIME] - frameTime);
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- percent = GetCurvePercent(frameIndex / 5 - 1, percent < 0 ? 0 : (percent > 1 ? 1 : percent));
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-
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- float r = lastFrameR + (frames[frameIndex + FRAME_R] - lastFrameR) * percent;
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- float g = lastFrameG + (frames[frameIndex + FRAME_G] - lastFrameG) * percent;
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- float b = lastFrameB + (frames[frameIndex + FRAME_B] - lastFrameB) * percent;
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- float a = lastFrameA + (frames[frameIndex + FRAME_A] - lastFrameA) * percent;
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- if (alpha < 1) {
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- slot.R += (r - slot.R) * alpha;
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- slot.G += (g - slot.G) * alpha;
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- slot.B += (b - slot.B) * alpha;
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- slot.A += (a - slot.A) * alpha;
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- } else {
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|
|
- slot.R = r;
|
|
|
- slot.G = g;
|
|
|
- slot.B = b;
|
|
|
- slot.A = a;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- public class AttachmentTimeline : Timeline {
|
|
|
- public int SlotIndex { get; set; }
|
|
|
- public float[] Frames { get; private set; } // time, ...
|
|
|
- public String[] AttachmentNames { get; private set; }
|
|
|
- public int FrameCount {
|
|
|
- get {
|
|
|
- return Frames.Length;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- public AttachmentTimeline (int frameCount) {
|
|
|
- Frames = new float[frameCount];
|
|
|
- AttachmentNames = new String[frameCount];
|
|
|
- }
|
|
|
-
|
|
|
- /** Sets the time and value of the specified keyframe. */
|
|
|
- public void setFrame (int frameIndex, float time, String attachmentName) {
|
|
|
- Frames[frameIndex] = time;
|
|
|
- AttachmentNames[frameIndex] = attachmentName;
|
|
|
- }
|
|
|
-
|
|
|
- public void Apply (Skeleton skeleton, float time, float alpha) {
|
|
|
- float[] frames = Frames;
|
|
|
- if (time < frames[0]) return; // Time is before first frame.
|
|
|
-
|
|
|
- int frameIndex;
|
|
|
- if (time >= frames[frames.Length - 1]) // Time is after last frame.
|
|
|
- frameIndex = frames.Length - 1;
|
|
|
- else
|
|
|
- frameIndex = Animation.binarySearch(frames, time, 1) - 1;
|
|
|
-
|
|
|
- String attachmentName = AttachmentNames[frameIndex];
|
|
|
- skeleton.Slots[SlotIndex].Attachment =
|
|
|
- attachmentName == null ? null : skeleton.GetAttachment(SlotIndex, attachmentName);
|
|
|
- }
|
|
|
- }
|
|
|
-}
|