mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-02-04 14:24:53 +08:00
293 lines
8.4 KiB
C#
293 lines
8.4 KiB
C#
/******************************************************************************
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* Spine Runtimes Software License
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* Version 2.1
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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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* You are granted a perpetual, non-exclusive, non-sublicensable and
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* non-transferable license to install, execute and perform the Spine Runtimes
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* Software (the "Software") solely for internal use. Without the written
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* permission of Esoteric Software (typically granted by licensing Spine), you
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* may not (a) modify, translate, adapt or otherwise create derivative works,
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* improvements of the Software or develop new applications using the Software
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* or (b) remove, delete, alter or obscure any trademarks or any copyright,
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* trademark, patent or other intellectual property or proprietary rights
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* notices on or in the Software, including any copy thereof. Redistributions
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* in binary or source form must include this license and terms.
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*
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* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL ESOTERIC SOFTARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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/*****************************************************************************
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* Skeleton Utility created by Mitch Thompson
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* Full irrevocable rights and permissions granted to Esoteric Software
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*****************************************************************************/
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using System;
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using System.IO;
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using System.Collections.Generic;
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using UnityEngine;
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using Spine;
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/// <summary>Sets a GameObject's transform to match a bone on a Spine skeleton.</summary>
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[ExecuteInEditMode]
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[AddComponentMenu("Spine/SkeletonUtilityBone")]
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public class SkeletonUtilityBone : MonoBehaviour {
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public enum Mode {
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Follow,
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Override
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}
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[System.NonSerialized]
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public bool valid;
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[System.NonSerialized]
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public SkeletonUtility skeletonUtility;
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[System.NonSerialized]
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public Bone bone;
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public Mode mode;
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public bool zPosition = true;
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public bool position;
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public bool rotation;
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public bool scale;
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public bool flip;
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public bool flipX;
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[Range(0f,1f)]
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public float overrideAlpha = 1;
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/// <summary>If a bone isn't set, boneName is used to find the bone.</summary>
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public String boneName;
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public Transform parentReference;
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[HideInInspector]
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public bool transformLerpComplete;
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protected Transform cachedTransform;
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protected Transform skeletonTransform;
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public bool NonUniformScaleWarning {
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get {
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return nonUniformScaleWarning;
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}
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}
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private bool nonUniformScaleWarning;
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public void Reset () {
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bone = null;
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cachedTransform = transform;
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valid = skeletonUtility != null && skeletonUtility.skeletonRenderer != null && skeletonUtility.skeletonRenderer.valid;
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if (!valid)
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return;
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skeletonTransform = skeletonUtility.transform;
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skeletonUtility.OnReset -= HandleOnReset;
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skeletonUtility.OnReset += HandleOnReset;
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DoUpdate();
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}
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void OnEnable () {
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skeletonUtility = SkeletonUtility.GetInParent<SkeletonUtility>(transform);
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if (skeletonUtility == null)
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return;
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skeletonUtility.RegisterBone(this);
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skeletonUtility.OnReset += HandleOnReset;
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}
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void HandleOnReset () {
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Reset();
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}
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void OnDisable () {
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if (skeletonUtility != null) {
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skeletonUtility.OnReset -= HandleOnReset;
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skeletonUtility.UnregisterBone(this);
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}
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}
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public void DoUpdate () {
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if (!valid) {
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Reset();
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return;
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}
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Spine.Skeleton skeleton = skeletonUtility.skeletonRenderer.skeleton;
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if (bone == null) {
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if (boneName == null || boneName.Length == 0)
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return;
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bone = skeleton.FindBone(boneName);
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if (bone == null) {
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Debug.LogError("Bone not found: " + boneName, this);
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return;
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}
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}
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float skeletonFlipRotation = (skeleton.flipX ^ skeleton.flipY) ? -1f : 1f;
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float flipCompensation = 0;
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if (flip && (flipX || (flipX != bone.flipX)) && bone.parent != null) {
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flipCompensation = bone.parent.WorldRotation * -2;
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}
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if (mode == Mode.Follow) {
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if (flip) {
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flipX = bone.flipX;
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}
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if (position) {
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cachedTransform.localPosition = new Vector3(bone.x, bone.y, 0);
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}
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if (rotation) {
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if (bone.Data.InheritRotation) {
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if (bone.FlipX) {
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cachedTransform.localRotation = Quaternion.Euler(0, 180, bone.rotationIK - flipCompensation);
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} else {
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cachedTransform.localRotation = Quaternion.Euler(0, 0, bone.rotationIK);
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}
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} else {
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Vector3 euler = skeletonTransform.rotation.eulerAngles;
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cachedTransform.rotation = Quaternion.Euler(euler.x, euler.y, skeletonTransform.rotation.eulerAngles.z + (bone.worldRotation * skeletonFlipRotation));
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}
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}
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if (scale) {
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cachedTransform.localScale = new Vector3(bone.scaleX, bone.scaleY, 1);
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nonUniformScaleWarning = (bone.scaleX != bone.scaleY);
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}
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} else if (mode == Mode.Override) {
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if (transformLerpComplete)
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return;
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if (parentReference == null) {
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if (position) {
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bone.x = Mathf.Lerp(bone.x, cachedTransform.localPosition.x, overrideAlpha);
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bone.y = Mathf.Lerp(bone.y, cachedTransform.localPosition.y, overrideAlpha);
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}
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if (rotation) {
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float angle = Mathf.LerpAngle(bone.Rotation, cachedTransform.localRotation.eulerAngles.z, overrideAlpha) + flipCompensation;
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if (flip) {
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if ((!flipX && bone.flipX)) {
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angle -= flipCompensation;
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}
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//TODO fix this...
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if (angle >= 360)
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angle -= 360;
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else if (angle <= -360)
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angle += 360;
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}
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bone.Rotation = angle;
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}
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if (scale) {
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bone.scaleX = Mathf.Lerp(bone.scaleX, cachedTransform.localScale.x, overrideAlpha);
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bone.scaleY = Mathf.Lerp(bone.scaleY, cachedTransform.localScale.y, overrideAlpha);
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nonUniformScaleWarning = (bone.scaleX != bone.scaleY);
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}
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if (flip) {
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bone.flipX = flipX;
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}
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} else {
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if (transformLerpComplete)
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return;
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if (position) {
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Vector3 pos = parentReference.InverseTransformPoint(cachedTransform.position);
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bone.x = Mathf.Lerp(bone.x, pos.x, overrideAlpha);
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bone.y = Mathf.Lerp(bone.y, pos.y, overrideAlpha);
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}
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if (rotation) {
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float angle = Mathf.LerpAngle(bone.Rotation, Quaternion.LookRotation(flipX ? Vector3.forward * -1 : Vector3.forward, parentReference.InverseTransformDirection(cachedTransform.up)).eulerAngles.z, overrideAlpha) + flipCompensation;
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if (flip) {
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if ((!flipX && bone.flipX)) {
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angle -= flipCompensation;
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}
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//TODO fix this...
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if (angle >= 360)
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angle -= 360;
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else if (angle <= -360)
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angle += 360;
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}
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bone.Rotation = angle;
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}
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//TODO: Something about this
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if (scale) {
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bone.scaleX = Mathf.Lerp(bone.scaleX, cachedTransform.localScale.x, overrideAlpha);
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bone.scaleY = Mathf.Lerp(bone.scaleY, cachedTransform.localScale.y, overrideAlpha);
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nonUniformScaleWarning = (bone.scaleX != bone.scaleY);
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}
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if (flip) {
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bone.flipX = flipX;
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}
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}
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transformLerpComplete = true;
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}
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}
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public void FlipX (bool state) {
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if (state != flipX) {
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flipX = state;
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if (flipX && Mathf.Abs(transform.localRotation.eulerAngles.y) > 90) {
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skeletonUtility.skeletonAnimation.LateUpdate();
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return;
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} else if (!flipX && Mathf.Abs(transform.localRotation.eulerAngles.y) < 90) {
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skeletonUtility.skeletonAnimation.LateUpdate();
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return;
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}
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}
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bone.FlipX = state;
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transform.RotateAround(transform.position, skeletonUtility.transform.up, 180);
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Vector3 euler = transform.localRotation.eulerAngles;
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euler.x = 0;
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euler.y = bone.FlipX ? 180 : 0;
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transform.localRotation = Quaternion.Euler(euler);
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}
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void OnDrawGizmos () {
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if (NonUniformScaleWarning) {
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Gizmos.DrawIcon(transform.position + new Vector3(0, 0.128f, 0), "icon-warning");
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}
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}
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} |