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/******************************************************************************
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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.Collections.Generic;
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using UnityEngine;
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#if UNITY_EDITOR
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namespace Spine.Unity {
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/// <summary>Utility class providing methods to check material settings for incorrect combinations.</summary>
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public class MaterialChecks {
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static readonly int STRAIGHT_ALPHA_PARAM_ID = Shader.PropertyToID("_StraightAlphaInput");
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static readonly string ALPHAPREMULTIPLY_ON_KEYWORD = "_ALPHAPREMULTIPLY_ON";
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static readonly string STRAIGHT_ALPHA_KEYWORD = "_STRAIGHT_ALPHA_INPUT";
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static readonly string[] FIXED_NORMALS_KEYWORDS = {
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"_FIXED_NORMALS_VIEWSPACE",
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"_FIXED_NORMALS_VIEWSPACE_BACKFACE",
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"_FIXED_NORMALS_MODELSPACE",
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"_FIXED_NORMALS_MODELSPACE_BACKFACE",
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"_FIXED_NORMALS_WORLDSPACE"
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};
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static readonly string NORMALMAP_KEYWORD = "_NORMALMAP";
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static readonly string CANVAS_GROUP_COMPATIBLE_KEYWORD = "_CANVAS_GROUP_COMPATIBLE";
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public static readonly string kPMANotSupportedLinearMessage =
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"\nWarning: Premultiply-alpha atlas textures not supported in Linear color space!\n\nPlease\n"
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+ "a) re-export atlas as straight alpha texture with 'premultiply alpha' unchecked\n"
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+ " (if you have already done this, please set the 'Straight Alpha Texture' Material parameter to 'true') or\n"
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+ "b) switch to Gamma color space via\nProject Settings - Player - Other Settings - Color Space.\n";
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public static readonly string kZSpacingRequiredMessage =
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"\nWarning: Z Spacing required on selected shader! Otherwise you will receive incorrect results.\n\nPlease\n"
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+ "1) make sure at least minimal 'Z Spacing' is set at the SkeletonRenderer/SkeletonAnimation component under 'Advanced' and\n"
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+ "2) ensure that the skeleton has overlapping parts on different Z depth. You can adjust this in Spine via draw order.\n";
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public static readonly string kZSpacingRecommendedMessage =
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"\nWarning: Z Spacing recommended on selected shader configuration!\n\nPlease\n"
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+ "1) make sure at least minimal 'Z Spacing' is set at the SkeletonRenderer/SkeletonAnimation component under 'Advanced' and\n"
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+ "2) ensure that the skeleton has overlapping parts on different Z depth. You can adjust this in Spine via draw order.\n";
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public static readonly string kAddNormalsMessage =
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"\nWarning: 'Add Normals' required when not using 'Fixed Normals'!\n\nPlease\n"
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+ "a) enable 'Add Normals' at the SkeletonRenderer/SkeletonAnimation component under 'Advanced' or\n"
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+ "b) enable 'Fixed Normals' at the Material.\n";
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public static readonly string kSolveTangentsMessage =
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"\nWarning: 'Solve Tangents' required when using a Normal Map!\n\nPlease\n"
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+ "a) enable 'Solve Tangents' at the SkeletonRenderer/SkeletonAnimation component under 'Advanced' or\n"
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+ "b) clear the 'Normal Map' parameter at the Material.\n";
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public static readonly string kNoSkeletonGraphicMaterialMessage =
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"\nWarning: Normal non-UI shaders other than 'Spine/SkeletonGraphic *' are not compatible with 'SkeletonGraphic' components! "
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+ "This will lead to incorrect rendering on some devices.\n\n"
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+ "Please change the assigned Material to e.g. 'SkeletonGraphicDefault' or change the used shader to one of the 'Spine/SkeletonGraphic *' shaders.\n\n"
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+ "Note that 'Spine/SkeletonGraphic *' shall still be used when using URP.\n";
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public static readonly string kNoSkeletonGraphicTintBlackMaterialMessage =
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"\nWarning: Only enable 'Canvas Group Tint Black' when using a 'SkeletonGraphic Tint Black' shader!\n"
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+ "This will lead to incorrect rendering.\n\nPlease\n"
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+ "a) disable 'Canvas Group Tint Black' under 'Advanced' or\n"
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+ "b) use a 'SkeletonGraphic Tint Black' Material if you need Tint Black on a CanvasGroup.\n";
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public static readonly string kTintBlackMessage =
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"\nWarning: 'Advanced - Tint Black' required when using any 'Tint Black' shader!\n\nPlease\n"
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+ "a) enable 'Tint Black' at the SkeletonRenderer/SkeletonGraphic component under 'Advanced' or\n"
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+ "b) use a different shader at the Material.\n";
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public static readonly string kCanvasTintBlackMessage =
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"\nWarning: Canvas 'Additional Shader Channels' 'uv1' and 'uv2' are required when 'Advanced - Tint Black' is enabled!\n\n"
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+ "Please enable both 'uv1' and 'uv2' channels at the parent Canvas component parameter 'Additional Shader Channels'.\n";
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public static readonly string kCanvasGroupCompatibleMessage =
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"\nWarning: 'Canvas Group Tint Black' is enabled at SkeletonGraphic but not 'CanvasGroup Compatible' at the Material!\n\nPlease\n"
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+ "a) enable 'CanvasGroup Compatible' at the Material or\n"
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+ "b) disable 'Canvas Group Tint Black' at the SkeletonGraphic component under 'Advanced'.\n"
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+ "You may want to duplicate the 'SkeletonGraphicDefault' material and change settings at the duplicate to not affect all instances.";
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public static bool IsMaterialSetupProblematic (SkeletonRenderer renderer, ref string errorMessage) {
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var materials = renderer.GetComponent<Renderer>().sharedMaterials;
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bool isProblematic = false;
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foreach (var material in materials) {
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if (material == null) continue;
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isProblematic |= IsMaterialSetupProblematic(material, ref errorMessage);
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if (renderer.zSpacing == 0) {
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isProblematic |= IsZSpacingRequired(material, ref errorMessage);
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}
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if (renderer.addNormals == false && RequiresMeshNormals(material)) {
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isProblematic = true;
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errorMessage += kAddNormalsMessage;
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}
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if (renderer.calculateTangents == false && RequiresTangents(material)) {
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isProblematic = true;
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errorMessage += kSolveTangentsMessage;
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}
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if (renderer.tintBlack == false && RequiresTintBlack(material)) {
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isProblematic = true;
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errorMessage += kTintBlackMessage;
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}
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}
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return isProblematic;
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}
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public static bool IsMaterialSetupProblematic(SkeletonGraphic skeletonGraphic, ref string errorMessage)
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{
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var material = skeletonGraphic.material;
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bool isProblematic = false;
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if (material) {
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isProblematic |= IsMaterialSetupProblematic(material, ref errorMessage);
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var settings = skeletonGraphic.MeshGenerator.settings;
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if (settings.zSpacing == 0) {
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isProblematic |= IsZSpacingRequired(material, ref errorMessage);
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}
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if (IsSpineNonSkeletonGraphicMaterial(material)) {
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isProblematic = true;
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errorMessage += kNoSkeletonGraphicMaterialMessage;
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}
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if (settings.tintBlack == false && RequiresTintBlack(material)) {
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isProblematic = true;
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errorMessage += kTintBlackMessage;
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}
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if (settings.tintBlack == true && CanvasNotSetupForTintBlack(skeletonGraphic)) {
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isProblematic = true;
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errorMessage += kCanvasTintBlackMessage;
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}
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if (settings.canvasGroupTintBlack == true && !IsSkeletonGraphicTintBlackMaterial(material)) {
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isProblematic = true;
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errorMessage += kNoSkeletonGraphicTintBlackMaterialMessage;
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}
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if (settings.canvasGroupTintBlack == true && !IsCanvasGroupCompatible(material)) {
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isProblematic = true;
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errorMessage += kCanvasGroupCompatibleMessage;
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}
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}
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return isProblematic;
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}
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public static bool IsMaterialSetupProblematic(Material material, ref string errorMessage) {
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return !IsColorSpaceSupported(material, ref errorMessage);
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}
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public static bool IsZSpacingRequired(Material material, ref string errorMessage) {
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bool hasForwardAddPass = material.FindPass("FORWARD_DELTA") >= 0;
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if (hasForwardAddPass) {
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errorMessage += kZSpacingRequiredMessage;
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return true;
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}
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bool zWrite = material.HasProperty("_ZWrite") && material.GetFloat("_ZWrite") > 0.0f;
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if (zWrite) {
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errorMessage += kZSpacingRecommendedMessage;
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return true;
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}
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return false;
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}
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public static bool IsColorSpaceSupported (Material material, ref string errorMessage) {
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if (QualitySettings.activeColorSpace == ColorSpace.Linear) {
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if (IsPMAMaterial(material)) {
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errorMessage += kPMANotSupportedLinearMessage;
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return false;
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}
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}
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return true;
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}
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public static bool UsesSpineShader (Material material) {
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return material.shader.name.Contains("Spine/");
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}
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public static bool IsTextureSetupProblematic (Material material, ColorSpace colorSpace,
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bool sRGBTexture, bool mipmapEnabled, bool alphaIsTransparency,
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string texturePath, string materialPath,
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ref string errorMessage) {
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if (material == null || !UsesSpineShader(material)) {
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return false;
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}
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bool isProblematic = false;
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if (IsPMAMaterial(material)) {
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// 'sRGBTexture = true' generates incorrectly weighted mipmaps at PMA textures,
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// causing white borders due to undesired custom weighting.
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if (sRGBTexture && mipmapEnabled && colorSpace == ColorSpace.Gamma) {
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errorMessage += string.Format("`{0}` : Problematic Texture Settings found: " +
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"When enabling `Generate Mip Maps` in Gamma color space, it is recommended " +
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"to disable `sRGB (Color Texture)` on `Premultiply alpha` textures. Otherwise " +
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"you will receive white border artifacts on an atlas exported with default " +
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"`Premultiply alpha` settings.\n" +
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"(You can disable this warning in `Edit - Preferences - Spine`)\n", texturePath);
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isProblematic = true;
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}
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if (alphaIsTransparency) {
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string materialName = System.IO.Path.GetFileName(materialPath);
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errorMessage += string.Format("`{0}` and material `{1}` : Problematic " +
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"Texture / Material Settings found: It is recommended to disable " +
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"`Alpha Is Transparency` on `Premultiply alpha` textures.\n" +
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"Assuming `Premultiply alpha` texture because `Straight Alpha Texture` " +
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"is disabled at material). " +
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"(You can disable this warning in `Edit - Preferences - Spine`)\n", texturePath, materialName);
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isProblematic = true;
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}
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}
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else { // straight alpha texture
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if (!alphaIsTransparency) {
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string materialName = System.IO.Path.GetFileName(materialPath);
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errorMessage += string.Format("`{0}` and material `{1}` : Incorrect" +
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"Texture / Material Settings found: It is strongly recommended " +
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"to enable `Alpha Is Transparency` on `Straight alpha` textures.\n" +
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"Assuming `Straight alpha` texture because `Straight Alpha Texture` " +
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"is enabled at material). " +
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"(You can disable this warning in `Edit - Preferences - Spine`)\n", texturePath, materialName);
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isProblematic = true;
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}
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}
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return isProblematic;
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}
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public static void EnablePMAAtMaterial (Material material, bool enablePMA) {
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if (material.HasProperty(STRAIGHT_ALPHA_PARAM_ID)) {
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material.SetInt(STRAIGHT_ALPHA_PARAM_ID, enablePMA ? 0 : 1);
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if (enablePMA)
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material.DisableKeyword(STRAIGHT_ALPHA_KEYWORD);
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else
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material.EnableKeyword(STRAIGHT_ALPHA_KEYWORD);
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}
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else {
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if (enablePMA)
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material.EnableKeyword(ALPHAPREMULTIPLY_ON_KEYWORD);
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else
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material.DisableKeyword(ALPHAPREMULTIPLY_ON_KEYWORD);
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}
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}
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static bool IsPMAMaterial (Material material) {
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bool usesAlphaPremultiplyKeyword = IsSpriteShader(material);
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if (usesAlphaPremultiplyKeyword)
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return material.IsKeywordEnabled(ALPHAPREMULTIPLY_ON_KEYWORD);
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else
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return material.HasProperty(STRAIGHT_ALPHA_PARAM_ID) && material.GetInt(STRAIGHT_ALPHA_PARAM_ID) == 0;
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}
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static bool IsURP3DMaterial (Material material) {
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return material.shader.name.Contains("Universal Render Pipeline/Spine");
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}
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static bool IsSpineNonSkeletonGraphicMaterial (Material material) {
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return material.shader.name.Contains("Spine") && !material.shader.name.Contains("SkeletonGraphic");
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}
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static bool IsSkeletonGraphicTintBlackMaterial (Material material) {
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return material.shader.name.Contains("Spine") && material.shader.name.Contains("SkeletonGraphic")
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&& material.shader.name.Contains("Black");
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}
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static bool AreShadowsDisabled (Material material) {
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return material.IsKeywordEnabled("_RECEIVE_SHADOWS_OFF");
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}
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static bool RequiresMeshNormals (Material material) {
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bool anyFixedNormalSet = false;
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foreach (string fixedNormalKeyword in FIXED_NORMALS_KEYWORDS) {
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if (material.IsKeywordEnabled(fixedNormalKeyword)) {
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anyFixedNormalSet = true;
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break;
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}
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}
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bool isShaderWithMeshNormals = IsSpriteShader(material);
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return isShaderWithMeshNormals && !anyFixedNormalSet;
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}
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static bool IsSpriteShader (Material material) {
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string shaderName = material.shader.name;
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return shaderName.Contains("Spine/Sprite/Pixel Lit") ||
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shaderName.Contains("Spine/Sprite/Vertex Lit") ||
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shaderName.Contains("2D/Spine/Sprite") || // covers both URP and LWRP
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shaderName.Contains("Pipeline/Spine/Sprite"); // covers both URP and LWRP
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}
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static bool RequiresTintBlack (Material material) {
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bool isTintBlackShader =
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material.shader.name.Contains("Spine") &&
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material.shader.name.Contains("Tint Black");
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return isTintBlackShader;
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}
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static bool RequiresTangents (Material material) {
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return material.IsKeywordEnabled(NORMALMAP_KEYWORD);
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}
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static bool IsCanvasGroupCompatible (Material material) {
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return material.IsKeywordEnabled(CANVAS_GROUP_COMPATIBLE_KEYWORD);
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}
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static bool CanvasNotSetupForTintBlack (SkeletonGraphic skeletonGraphic) {
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Canvas canvas = skeletonGraphic.canvas;
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if (!canvas)
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return false;
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var requiredChannels =
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AdditionalCanvasShaderChannels.TexCoord1 |
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AdditionalCanvasShaderChannels.TexCoord2;
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return (canvas.additionalShaderChannels & requiredChannels) != requiredChannels;
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}
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}
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}
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#endif // UNITY_EDITOR
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Block a user