接入Spine

Plugins/SpinePlugin/Source/SpinePlugin/Public/spine-cpp/include/spine/Atlas.h

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+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated April 5, 2025. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2025, 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.
+ *****************************************************************************/
+
+#ifndef Spine_Atlas_h
+#define Spine_Atlas_h
+
+#include <spine/Vector.h>
+#include <spine/Extension.h>
+#include <spine/SpineObject.h>
+#include <spine/SpineString.h>
+#include <spine/HasRendererObject.h>
+#include "TextureRegion.h"
+
+namespace spine {
+	enum Format {
+		Format_Alpha,
+		Format_Intensity,
+		Format_LuminanceAlpha,
+		Format_RGB565,
+		Format_RGBA4444,
+		Format_RGB888,
+		Format_RGBA8888
+	};
+
+	// Our TextureFilter collides with UE4's TextureFilter in unity builds. We rename
+	// TextureFilter to SpineTextureFilter in UE4.
+#ifdef SPINE_UE4
+	#define TEXTURE_FILTER_ENUM SpineTextureFilter
+#else
+	#define TEXTURE_FILTER_ENUM TextureFilter
+#endif
+
+	enum TEXTURE_FILTER_ENUM {
+		TextureFilter_Unknown,
+		TextureFilter_Nearest,
+		TextureFilter_Linear,
+		TextureFilter_MipMap,
+		TextureFilter_MipMapNearestNearest,
+		TextureFilter_MipMapLinearNearest,
+		TextureFilter_MipMapNearestLinear,
+		TextureFilter_MipMapLinearLinear
+	};
+
+	enum TextureWrap {
+		TextureWrap_MirroredRepeat,
+		TextureWrap_ClampToEdge,
+		TextureWrap_Repeat
+	};
+
+	class SP_API AtlasPage : public SpineObject {
+	public:
+		String name;
+		String texturePath;
+		Format format;
+		TEXTURE_FILTER_ENUM minFilter;
+		TEXTURE_FILTER_ENUM magFilter;
+		TextureWrap uWrap;
+		TextureWrap vWrap;
+		int width, height;
+		bool pma;
+        int index;
+        void *texture;
+
+		explicit AtlasPage(const String &inName) : name(inName), format(Format_RGBA8888),
+												   minFilter(TextureFilter_Nearest),
+												   magFilter(TextureFilter_Nearest), uWrap(TextureWrap_ClampToEdge),
+												   vWrap(TextureWrap_ClampToEdge), width(0), height(0), pma(false), index(0), texture(NULL) {
+		}
+	};
+
+	class SP_API AtlasRegion : public TextureRegion {
+	public:
+		AtlasPage *page;
+		String name;
+		int index;
+		int x, y;
+		Vector<int> splits;
+		Vector<int> pads;
+		Vector <String> names;
+		Vector<float> values;
+	};
+
+	class TextureLoader;
+
+	class SP_API Atlas : public SpineObject {
+	public:
+		Atlas(const String &path, TextureLoader *textureLoader, bool createTexture = true);
+
+		Atlas(const char *data, int length, const char *dir, TextureLoader *textureLoader, bool createTexture = true);
+
+		~Atlas();
+
+		void flipV();
+
+		/// Returns the first region found with the specified name. This method uses String comparison to find the region, so the result
+		/// should be cached rather than calling this method multiple times.
+		/// @return The region, or NULL.
+		AtlasRegion *findRegion(const String &name);
+
+		Vector<AtlasPage *> &getPages();
+
+		Vector<AtlasRegion *> &getRegions();
+
+	private:
+		Vector<AtlasPage *> _pages;
+		Vector<AtlasRegion *> _regions;
+		TextureLoader *_textureLoader;
+
+		void load(const char *begin, int length, const char *dir, bool createTexture);
+	};
+}
+
+#endif /* Spine_Atlas_h */