/
OnDemandTextureLoader.cs
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/
OnDemandTextureLoader.cs
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/******************************************************************************
* Spine Runtimes License Agreement
* Last updated July 28, 2023. Replaces all prior versions.
*
* Copyright (c) 2013-2023, Esoteric Software LLC
*
* Integration of the Spine Runtimes into software or otherwise creating
* derivative works of the Spine Runtimes is permitted under the terms and
* conditions of Section 2 of the Spine Editor License Agreement:
* http://esotericsoftware.com/spine-editor-license
*
* Otherwise, it is permitted to integrate the Spine Runtimes into software or
* otherwise create derivative works of the Spine Runtimes (collectively,
* "Products"), provided that each user of the Products must obtain their own
* Spine Editor license and redistribution of the Products in any form must
* include this license and copyright notice.
*
* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
* BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
* SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#define SPINE_OPTIONAL_ON_DEMAND_LOADING
using System.Collections.Generic;
using UnityEngine;
#if SPINE_OPTIONAL_ON_DEMAND_LOADING
namespace Spine.Unity {
public abstract class OnDemandTextureLoader : ScriptableObject {
public AtlasAssetBase atlasAsset;
/// <param name="originalTextureName">Original texture name without extension.</param>
/// <returns>The placeholder texture's name for a given original target texture name.</returns>
public abstract string GetPlaceholderTextureName (string originalTextureName);
/// <summary>
/// Assigns previously setup placeholder textures at each Material of the associated AtlasAssetBase.</summary>
/// <returns>True on success, false if the placeholder texture could not be assigned at any of the
/// AtlasAssetBase's materials.</returns>
public abstract bool AssignPlaceholderTextures (out IEnumerable<Material> modifiedMaterials);
/// <summary>
/// Returns whether any placeholder textures are assigned at the Material of the associated AtlasAssetBase.
/// </summary>
/// <param name="placeholderMaterials">A newly created list of materials which has a placeholder texture assigned.</param>
/// <returns>True, if any placeholder texture is assigned at a Material of the associated AtlasAssetBase.</returns>
public abstract bool HasPlaceholderTexturesAssigned (out List<Material> placeholderMaterials);
/// <summary>
/// Assigns previously setup target textures at each Material where placeholder textures are setup.</summary>
/// <returns>True on success, false if the target texture could not be assigned at any of the
/// AtlasAssetBase's materials.</returns>
public abstract bool AssignTargetTextures (out IEnumerable<Material> modifiedMaterials);
public abstract void BeginCustomTextureLoading ();
public abstract void EndCustomTextureLoading ();
public abstract bool HasPlaceholderAssigned (Material material);
public abstract void RequestLoadMaterialTextures (Material material, ref Material overrideMaterial);
public abstract void Clear (bool clearAtlasAsset = false);
#region Event delegates
public delegate void TextureLoadDelegate (OnDemandTextureLoader loader, Material material, int textureIndex);
protected event TextureLoadDelegate onTextureLoaded;
protected event TextureLoadDelegate onTextureUnloaded;
public event TextureLoadDelegate TextureLoaded {
add { onTextureLoaded += value; }
remove { onTextureLoaded -= value; }
}
public event TextureLoadDelegate TextureUnloaded {
add { onTextureUnloaded += value; }
remove { onTextureUnloaded -= value; }
}
protected void OnTextureLoaded (Material material, int textureIndex) {
if (onTextureLoaded != null)
onTextureLoaded(this, material, textureIndex);
}
protected void OnTextureUnloaded (Material material, int textureIndex) {
if (onTextureUnloaded != null)
onTextureUnloaded(this, material, textureIndex);
}
#endregion
}
}
#endif