Ejemplo n.º 1
0
        public WeightedMeshAttachment NewWeightedMeshAttachment(Skin skin, String name, String path)
        {
            AtlasRegion region = FindRegion(path);

            if (region == null)
            {
                throw new Exception("Region not found in atlas: " + path + " (weighted mesh attachment: " + name + ")");
            }
            WeightedMeshAttachment attachment = new WeightedMeshAttachment(name);

            attachment.RendererObject       = region;
            attachment.RegionU              = region.u;
            attachment.RegionV              = region.v;
            attachment.RegionU2             = region.u2;
            attachment.RegionV2             = region.v2;
            attachment.RegionRotate         = region.rotate;
            attachment.regionOffsetX        = region.offsetX;
            attachment.regionOffsetY        = region.offsetY;
            attachment.regionWidth          = region.width;
            attachment.regionHeight         = region.height;
            attachment.regionOriginalWidth  = region.originalWidth;
            attachment.regionOriginalHeight = region.originalHeight;
            return(attachment);
        }
Ejemplo n.º 2
0
        private Attachment ReadAttachment(Skin skin, int slotIndex, String name, Dictionary <String, Object> map)
        {
            if (map.ContainsKey("name"))
            {
                name = (String)map["name"];
            }

            var scale = this.Scale;

            var type = AttachmentType.region;

            if (map.ContainsKey("type"))
            {
                var typeName = (String)map["type"];
                if (typeName == "skinnedmesh")
                {
                    typeName = "weightedmesh";
                }
                type = (AttachmentType)Enum.Parse(typeof(AttachmentType), typeName, false);
            }

            String path = name;

            if (map.ContainsKey("path"))
            {
                path = (String)map["path"];
            }

            switch (type)
            {
            case AttachmentType.region:
                RegionAttachment region = attachmentLoader.NewRegionAttachment(skin, name, path);
                if (region == null)
                {
                    return(null);
                }
                region.Path     = path;
                region.x        = GetFloat(map, "x", 0) * scale;
                region.y        = GetFloat(map, "y", 0) * scale;
                region.scaleX   = GetFloat(map, "scaleX", 1);
                region.scaleY   = GetFloat(map, "scaleY", 1);
                region.rotation = GetFloat(map, "rotation", 0);
                region.width    = GetFloat(map, "width", 32) * scale;
                region.height   = GetFloat(map, "height", 32) * scale;
                region.UpdateOffset();

                if (map.ContainsKey("color"))
                {
                    var color = (String)map["color"];
                    region.r = ToColor(color, 0);
                    region.g = ToColor(color, 1);
                    region.b = ToColor(color, 2);
                    region.a = ToColor(color, 3);
                }

                return(region);

            case AttachmentType.mesh:
            case AttachmentType.linkedmesh: {
                MeshAttachment mesh = attachmentLoader.NewMeshAttachment(skin, name, path);
                if (mesh == null)
                {
                    return(null);
                }
                mesh.Path = path;

                if (map.ContainsKey("color"))
                {
                    var color = (String)map["color"];
                    mesh.r = ToColor(color, 0);
                    mesh.g = ToColor(color, 1);
                    mesh.b = ToColor(color, 2);
                    mesh.a = ToColor(color, 3);
                }

                mesh.Width  = GetInt(map, "width", 0) * scale;
                mesh.Height = GetInt(map, "height", 0) * scale;

                String parent = GetString(map, "parent", null);
                if (parent == null)
                {
                    mesh.vertices  = GetFloatArray(map, "vertices", scale);
                    mesh.triangles = GetIntArray(map, "triangles");
                    mesh.regionUVs = GetFloatArray(map, "uvs", 1);
                    mesh.UpdateUVs();

                    mesh.HullLength = GetInt(map, "hull", 0) * 2;
                    if (map.ContainsKey("edges"))
                    {
                        mesh.Edges = GetIntArray(map, "edges");
                    }
                }
                else
                {
                    mesh.InheritFFD = GetBoolean(map, "ffd", true);
                    linkedMeshes.Add(new LinkedMesh(mesh, GetString(map, "skin", null), slotIndex, parent));
                }

                return(mesh);
            }

            case AttachmentType.weightedmesh:
            case AttachmentType.weightedlinkedmesh: {
                WeightedMeshAttachment mesh = attachmentLoader.NewWeightedMeshAttachment(skin, name, path);
                if (mesh == null)
                {
                    return(null);
                }

                mesh.Path = path;

                if (map.ContainsKey("color"))
                {
                    var color = (String)map["color"];
                    mesh.r = ToColor(color, 0);
                    mesh.g = ToColor(color, 1);
                    mesh.b = ToColor(color, 2);
                    mesh.a = ToColor(color, 3);
                }

                mesh.Width  = GetInt(map, "width", 0) * scale;
                mesh.Height = GetInt(map, "height", 0) * scale;

                String parent = GetString(map, "parent", null);
                if (parent == null)
                {
                    float[] uvs      = GetFloatArray(map, "uvs", 1);
                    float[] vertices = GetFloatArray(map, "vertices", 1);
                    var     weights  = new List <float>(uvs.Length * 3 * 3);
                    var     bones    = new List <int>(uvs.Length * 3);
                    for (int i = 0, n = vertices.Length; i < n;)
                    {
                        int boneCount = (int)vertices[i++];
                        bones.Add(boneCount);
                        for (int nn = i + boneCount * 4; i < nn; i += 4)
                        {
                            bones.Add((int)vertices[i]);
                            weights.Add(vertices[i + 1] * scale);
                            weights.Add(vertices[i + 2] * scale);
                            weights.Add(vertices[i + 3]);
                        }
                    }
                    mesh.bones     = bones.ToArray();
                    mesh.weights   = weights.ToArray();
                    mesh.triangles = GetIntArray(map, "triangles");
                    mesh.regionUVs = uvs;
                    mesh.UpdateUVs();

                    mesh.HullLength = GetInt(map, "hull", 0) * 2;
                    if (map.ContainsKey("edges"))
                    {
                        mesh.Edges = GetIntArray(map, "edges");
                    }
                }
                else
                {
                    mesh.InheritFFD = GetBoolean(map, "ffd", true);
                    linkedMeshes.Add(new LinkedMesh(mesh, GetString(map, "skin", null), slotIndex, parent));
                }

                return(mesh);
            }

            case AttachmentType.boundingbox:
                BoundingBoxAttachment box = attachmentLoader.NewBoundingBoxAttachment(skin, name);
                if (box == null)
                {
                    return(null);
                }
                box.vertices = GetFloatArray(map, "vertices", scale);
                return(box);
            }
            return(null);
        }
Ejemplo n.º 3
0
        public SkeletonData ReadSkeletonData(TextReader reader)
        {
            if (reader == null)
            {
                throw new ArgumentNullException("reader cannot be null.");
            }

            var scale        = this.Scale;
            var skeletonData = new SkeletonData();

            var root = Json.Deserialize(reader) as Dictionary <String, Object>;

            if (root == null)
            {
                throw new Exception("Invalid JSON.");
            }

            // Skeleton.
            if (root.ContainsKey("skeleton"))
            {
                var skeletonMap = (Dictionary <String, Object>)root["skeleton"];
                skeletonData.hash    = (String)skeletonMap["hash"];
                skeletonData.version = (String)skeletonMap["spine"];
                skeletonData.width   = GetFloat(skeletonMap, "width", 0);
                skeletonData.height  = GetFloat(skeletonMap, "height", 0);
            }

            // Bones.
            foreach (Dictionary <String, Object> boneMap in (List <Object>)root["bones"])
            {
                BoneData parent = null;
                if (boneMap.ContainsKey("parent"))
                {
                    parent = skeletonData.FindBone((String)boneMap["parent"]);
                    if (parent == null)
                    {
                        throw new Exception("Parent bone not found: " + boneMap["parent"]);
                    }
                }
                var boneData = new BoneData((String)boneMap["name"], parent);
                boneData.length          = GetFloat(boneMap, "length", 0) * scale;
                boneData.x               = GetFloat(boneMap, "x", 0) * scale;
                boneData.y               = GetFloat(boneMap, "y", 0) * scale;
                boneData.rotation        = GetFloat(boneMap, "rotation", 0);
                boneData.scaleX          = GetFloat(boneMap, "scaleX", 1);
                boneData.scaleY          = GetFloat(boneMap, "scaleY", 1);
                boneData.inheritScale    = GetBoolean(boneMap, "inheritScale", true);
                boneData.inheritRotation = GetBoolean(boneMap, "inheritRotation", true);
                skeletonData.bones.Add(boneData);
            }

            // IK constraints.
            if (root.ContainsKey("ik"))
            {
                foreach (Dictionary <String, Object> ikMap in (List <Object>)root["ik"])
                {
                    IkConstraintData ikConstraintData = new IkConstraintData((String)ikMap["name"]);

                    foreach (String boneName in (List <Object>)ikMap["bones"])
                    {
                        BoneData bone = skeletonData.FindBone(boneName);
                        if (bone == null)
                        {
                            throw new Exception("IK bone not found: " + boneName);
                        }
                        ikConstraintData.bones.Add(bone);
                    }

                    String targetName = (String)ikMap["target"];
                    ikConstraintData.target = skeletonData.FindBone(targetName);
                    if (ikConstraintData.target == null)
                    {
                        throw new Exception("Target bone not found: " + targetName);
                    }

                    ikConstraintData.bendDirection = GetBoolean(ikMap, "bendPositive", true) ? 1 : -1;
                    ikConstraintData.mix           = GetFloat(ikMap, "mix", 1);

                    skeletonData.ikConstraints.Add(ikConstraintData);
                }
            }

            // Transform constraints.
            if (root.ContainsKey("transform"))
            {
                foreach (Dictionary <String, Object> transformMap in (List <Object>)root["transform"])
                {
                    TransformConstraintData transformConstraintData = new TransformConstraintData((String)transformMap["name"]);

                    String boneName = (String)transformMap["bone"];
                    transformConstraintData.bone = skeletonData.FindBone(boneName);
                    if (transformConstraintData.bone == null)
                    {
                        throw new Exception("Bone not found: " + boneName);
                    }

                    String targetName = (String)transformMap["target"];
                    transformConstraintData.target = skeletonData.FindBone(targetName);
                    if (transformConstraintData.target == null)
                    {
                        throw new Exception("Target bone not found: " + targetName);
                    }

                    transformConstraintData.translateMix = GetFloat(transformMap, "translateMix", 1);
                    transformConstraintData.x            = GetFloat(transformMap, "x", 0) * scale;
                    transformConstraintData.y            = GetFloat(transformMap, "y", 0) * scale;

                    skeletonData.transformConstraints.Add(transformConstraintData);
                }
            }

            // Slots.
            if (root.ContainsKey("slots"))
            {
                foreach (Dictionary <String, Object> slotMap in (List <Object>)root["slots"])
                {
                    var      slotName = (String)slotMap["name"];
                    var      boneName = (String)slotMap["bone"];
                    BoneData boneData = skeletonData.FindBone(boneName);
                    if (boneData == null)
                    {
                        throw new Exception("Slot bone not found: " + boneName);
                    }
                    var slotData = new SlotData(slotName, boneData);

                    if (slotMap.ContainsKey("color"))
                    {
                        var color = (String)slotMap["color"];
                        slotData.r = ToColor(color, 0);
                        slotData.g = ToColor(color, 1);
                        slotData.b = ToColor(color, 2);
                        slotData.a = ToColor(color, 3);
                    }

                    if (slotMap.ContainsKey("attachment"))
                    {
                        slotData.attachmentName = (String)slotMap["attachment"];
                    }

                    if (slotMap.ContainsKey("blend"))
                    {
                        slotData.blendMode = (BlendMode)Enum.Parse(typeof(BlendMode), (String)slotMap["blend"], false);
                    }
                    else
                    {
                        slotData.blendMode = BlendMode.normal;
                    }

                    skeletonData.slots.Add(slotData);
                }
            }

            // Skins.
            if (root.ContainsKey("skins"))
            {
                foreach (KeyValuePair <String, Object> entry in (Dictionary <String, Object>)root["skins"])
                {
                    var skin = new Skin(entry.Key);
                    foreach (KeyValuePair <String, Object> slotEntry in (Dictionary <String, Object>)entry.Value)
                    {
                        int slotIndex = skeletonData.FindSlotIndex(slotEntry.Key);
                        foreach (KeyValuePair <String, Object> attachmentEntry in ((Dictionary <String, Object>)slotEntry.Value))
                        {
                            Attachment attachment = ReadAttachment(skin, slotIndex, attachmentEntry.Key, (Dictionary <String, Object>)attachmentEntry.Value);
                            if (attachment != null)
                            {
                                skin.AddAttachment(slotIndex, attachmentEntry.Key, attachment);
                            }
                        }
                    }
                    skeletonData.skins.Add(skin);
                    if (skin.name == "default")
                    {
                        skeletonData.defaultSkin = skin;
                    }
                }
            }

            // Linked meshes.
            for (int i = 0, n = linkedMeshes.Count; i < n; i++)
            {
                LinkedMesh linkedMesh = linkedMeshes[i];
                Skin       skin       = linkedMesh.skin == null ? skeletonData.defaultSkin : skeletonData.FindSkin(linkedMesh.skin);
                if (skin == null)
                {
                    throw new Exception("Slot not found: " + linkedMesh.skin);
                }
                Attachment parent = skin.GetAttachment(linkedMesh.slotIndex, linkedMesh.parent);
                if (parent == null)
                {
                    throw new Exception("Parent mesh not found: " + linkedMesh.parent);
                }
                if (linkedMesh.mesh is MeshAttachment)
                {
                    MeshAttachment mesh = (MeshAttachment)linkedMesh.mesh;
                    mesh.ParentMesh = (MeshAttachment)parent;
                    mesh.UpdateUVs();
                }
                else
                {
                    WeightedMeshAttachment mesh = (WeightedMeshAttachment)linkedMesh.mesh;
                    mesh.ParentMesh = (WeightedMeshAttachment)parent;
                    mesh.UpdateUVs();
                }
            }
            linkedMeshes.Clear();

            // Events.
            if (root.ContainsKey("events"))
            {
                foreach (KeyValuePair <String, Object> entry in (Dictionary <String, Object>)root["events"])
                {
                    var entryMap  = (Dictionary <String, Object>)entry.Value;
                    var eventData = new EventData(entry.Key);
                    eventData.Int    = GetInt(entryMap, "int", 0);
                    eventData.Float  = GetFloat(entryMap, "float", 0);
                    eventData.String = GetString(entryMap, "string", null);
                    skeletonData.events.Add(eventData);
                }
            }

            // Animations.
            if (root.ContainsKey("animations"))
            {
                foreach (KeyValuePair <String, Object> entry in (Dictionary <String, Object>)root["animations"])
                {
                    ReadAnimation(entry.Key, (Dictionary <String, Object>)entry.Value, skeletonData);
                }
            }

            skeletonData.bones.TrimExcess();
            skeletonData.slots.TrimExcess();
            skeletonData.skins.TrimExcess();
            skeletonData.events.TrimExcess();
            skeletonData.animations.TrimExcess();
            skeletonData.ikConstraints.TrimExcess();
            return(skeletonData);
        }
Ejemplo n.º 4
0
        private Attachment ReadAttachment(Stream input, Skin skin, int slotIndex, String attachmentName, bool nonessential)
        {
            float scale = Scale;

            String name = ReadString(input);

            if (name == null)
            {
                name = attachmentName;
            }

            AttachmentType type = (AttachmentType)input.ReadByte();

            switch (type)
            {
            case AttachmentType.region: {
                String path     = ReadString(input);
                float  x        = ReadFloat(input);
                float  y        = ReadFloat(input);
                float  scaleX   = ReadFloat(input);
                float  scaleY   = ReadFloat(input);
                float  rotation = ReadFloat(input);
                float  width    = ReadFloat(input);
                float  height   = ReadFloat(input);
                int    color    = ReadInt(input);

                if (path == null)
                {
                    path = name;
                }
                RegionAttachment region = attachmentLoader.NewRegionAttachment(skin, name, path);
                if (region == null)
                {
                    return(null);
                }
                region.Path     = path;
                region.x        = x * scale;
                region.y        = y * scale;
                region.scaleX   = scaleX;
                region.scaleY   = scaleY;
                region.rotation = rotation;
                region.width    = width * scale;
                region.height   = height * scale;
                region.r        = ((color & 0xff000000) >> 24) / 255f;
                region.g        = ((color & 0x00ff0000) >> 16) / 255f;
                region.b        = ((color & 0x0000ff00) >> 8) / 255f;
                region.a        = ((color & 0x000000ff)) / 255f;
                region.UpdateOffset();
                return(region);
            }

            case AttachmentType.boundingbox: {
                float[] vertices          = ReadFloatArray(input, ReadVarint(input, true) * 2, scale);
                BoundingBoxAttachment box = attachmentLoader.NewBoundingBoxAttachment(skin, name);
                if (box == null)
                {
                    return(null);
                }
                box.vertices = vertices;
                return(box);
            }

            case AttachmentType.mesh: {
                String  path           = ReadString(input);
                int     color          = ReadInt(input);
                int     hullLength     = 0;
                int     verticesLength = ReadVarint(input, true) * 2;
                float[] uvs            = ReadFloatArray(input, verticesLength, 1);
                int[]   triangles      = ReadShortArray(input);
                float[] vertices       = ReadFloatArray(input, verticesLength, scale);
                hullLength = ReadVarint(input, true);
                int[] edges = null;
                float width = 0, height = 0;
                if (nonessential)
                {
                    edges  = ReadShortArray(input);
                    width  = ReadFloat(input);
                    height = ReadFloat(input);
                }

                if (path == null)
                {
                    path = name;
                }
                MeshAttachment mesh = attachmentLoader.NewMeshAttachment(skin, name, path);
                if (mesh == null)
                {
                    return(null);
                }
                mesh.Path      = path;
                mesh.r         = ((color & 0xff000000) >> 24) / 255f;
                mesh.g         = ((color & 0x00ff0000) >> 16) / 255f;
                mesh.b         = ((color & 0x0000ff00) >> 8) / 255f;
                mesh.a         = ((color & 0x000000ff)) / 255f;
                mesh.vertices  = vertices;
                mesh.triangles = triangles;
                mesh.regionUVs = uvs;
                mesh.UpdateUVs();
                mesh.HullLength = hullLength;
                if (nonessential)
                {
                    mesh.Edges  = edges;
                    mesh.Width  = width * scale;
                    mesh.Height = height * scale;
                }
                return(mesh);
            }

            case AttachmentType.linkedmesh: {
                String path = ReadString(input);
                int    color = ReadInt(input);
                String skinName = ReadString(input);
                String parent = ReadString(input);
                bool   inheritFFD = ReadBoolean(input);
                float  width = 0, height = 0;
                if (nonessential)
                {
                    width  = ReadFloat(input);
                    height = ReadFloat(input);
                }

                if (path == null)
                {
                    path = name;
                }
                MeshAttachment mesh = attachmentLoader.NewMeshAttachment(skin, name, path);
                if (mesh == null)
                {
                    return(null);
                }
                mesh.Path       = path;
                mesh.r          = ((color & 0xff000000) >> 24) / 255f;
                mesh.g          = ((color & 0x00ff0000) >> 16) / 255f;
                mesh.b          = ((color & 0x0000ff00) >> 8) / 255f;
                mesh.a          = ((color & 0x000000ff)) / 255f;
                mesh.inheritFFD = inheritFFD;
                if (nonessential)
                {
                    mesh.Width  = width * scale;
                    mesh.Height = height * scale;
                }
                linkedMeshes.Add(new SkeletonJson.LinkedMesh(mesh, skinName, slotIndex, parent));
                return(mesh);
            }

            case AttachmentType.weightedmesh: {
                String  path        = ReadString(input);
                int     color       = ReadInt(input);
                int     vertexCount = ReadVarint(input, true);
                float[] uvs         = ReadFloatArray(input, vertexCount * 2, 1);
                int[]   triangles   = ReadShortArray(input);
                var     weights     = new List <float>(uvs.Length * 3 * 3);
                var     bones       = new List <int>(uvs.Length * 3);
                for (int i = 0; i < vertexCount; i++)
                {
                    int boneCount = (int)ReadFloat(input);
                    bones.Add(boneCount);
                    for (int ii = 0; ii < boneCount; ii++)
                    {
                        bones.Add((int)ReadFloat(input));
                        weights.Add(ReadFloat(input) * scale);
                        weights.Add(ReadFloat(input) * scale);
                        weights.Add(ReadFloat(input));
                    }
                }
                int   hullLength = ReadVarint(input, true);
                int[] edges = null;
                float width = 0, height = 0;
                if (nonessential)
                {
                    edges  = ReadShortArray(input);
                    width  = ReadFloat(input);
                    height = ReadFloat(input);
                }

                if (path == null)
                {
                    path = name;
                }
                WeightedMeshAttachment mesh = attachmentLoader.NewWeightedMeshAttachment(skin, name, path);
                if (mesh == null)
                {
                    return(null);
                }
                mesh.Path      = path;
                mesh.r         = ((color & 0xff000000) >> 24) / 255f;
                mesh.g         = ((color & 0x00ff0000) >> 16) / 255f;
                mesh.b         = ((color & 0x0000ff00) >> 8) / 255f;
                mesh.a         = ((color & 0x000000ff)) / 255f;
                mesh.bones     = bones.ToArray();
                mesh.weights   = weights.ToArray();
                mesh.triangles = triangles;
                mesh.regionUVs = uvs;
                mesh.UpdateUVs();
                mesh.HullLength = hullLength * 2;
                if (nonessential)
                {
                    mesh.Edges  = edges;
                    mesh.Width  = width * scale;
                    mesh.Height = height * scale;
                }
                //
                return(mesh);
            }

            case AttachmentType.weightedlinkedmesh: {
                String path = ReadString(input);
                int    color = ReadInt(input);
                String skinName = ReadString(input);
                String parent = ReadString(input);
                bool   inheritFFD = ReadBoolean(input);
                float  width = 0, height = 0;
                if (nonessential)
                {
                    width  = ReadFloat(input);
                    height = ReadFloat(input);
                }

                if (path == null)
                {
                    path = name;
                }
                WeightedMeshAttachment mesh = attachmentLoader.NewWeightedMeshAttachment(skin, name, path);
                if (mesh == null)
                {
                    return(null);
                }
                mesh.Path       = path;
                mesh.r          = ((color & 0xff000000) >> 24) / 255f;
                mesh.g          = ((color & 0x00ff0000) >> 16) / 255f;
                mesh.b          = ((color & 0x0000ff00) >> 8) / 255f;
                mesh.a          = ((color & 0x000000ff)) / 255f;
                mesh.inheritFFD = inheritFFD;
                if (nonessential)
                {
                    mesh.Width  = width * scale;
                    mesh.Height = height * scale;
                }
                linkedMeshes.Add(new SkeletonJson.LinkedMesh(mesh, skinName, slotIndex, parent));
                return(mesh);
            }
            }
            return(null);
        }
Ejemplo n.º 5
0
        public SkeletonData ReadSkeletonData(Stream input)
        {
            if (input == null)
            {
                throw new ArgumentNullException("input");
            }
            float scale = Scale;

            var skeletonData = new SkeletonData();

            skeletonData.hash = ReadString(input);
            if (skeletonData.hash.Length == 0)
            {
                skeletonData.hash = null;
            }
            skeletonData.version = ReadString(input);
            if (skeletonData.version.Length == 0)
            {
                skeletonData.version = null;
            }
            skeletonData.width  = ReadFloat(input);
            skeletonData.height = ReadFloat(input);

            bool nonessential = ReadBoolean(input);

            if (nonessential)
            {
                skeletonData.imagesPath = ReadString(input);
                if (skeletonData.imagesPath.Length == 0)
                {
                    skeletonData.imagesPath = null;
                }
            }

            // Bones.
            for (int i = 0, n = ReadVarint(input, true); i < n; i++)
            {
                String   name     = ReadString(input);
                BoneData parent   = i == 0 ? null : skeletonData.bones.Items[ReadVarint(input, true)];
                BoneData boneData = new BoneData(name, parent);
                boneData.x               = ReadFloat(input) * scale;
                boneData.y               = ReadFloat(input) * scale;
                boneData.scaleX          = ReadFloat(input);
                boneData.scaleY          = ReadFloat(input);
                boneData.rotation        = ReadFloat(input);
                boneData.length          = ReadFloat(input) * scale;
                boneData.inheritScale    = ReadBoolean(input);
                boneData.inheritRotation = ReadBoolean(input);
                if (nonessential)
                {
                    ReadInt(input);                               // Skip bone color.
                }
                skeletonData.bones.Add(boneData);
            }

            // IK constraints.
            for (int i = 0, n = ReadVarint(input, true); i < n; i++)
            {
                IkConstraintData ikConstraintData = new IkConstraintData(ReadString(input));
                for (int ii = 0, nn = ReadVarint(input, true); ii < nn; ii++)
                {
                    ikConstraintData.bones.Add(skeletonData.bones.Items[ReadVarint(input, true)]);
                }
                ikConstraintData.target        = skeletonData.bones.Items[ReadVarint(input, true)];
                ikConstraintData.mix           = ReadFloat(input);
                ikConstraintData.bendDirection = ReadSByte(input);
                skeletonData.ikConstraints.Add(ikConstraintData);
            }

            // Transform constraints.
            for (int i = 0, n = ReadVarint(input, true); i < n; i++)
            {
                TransformConstraintData transformConstraintData = new TransformConstraintData(ReadString(input));
                transformConstraintData.bone         = skeletonData.bones.Items[ReadVarint(input, true)];
                transformConstraintData.target       = skeletonData.bones.Items[ReadVarint(input, true)];
                transformConstraintData.translateMix = ReadFloat(input);
                transformConstraintData.x            = ReadFloat(input) * scale;
                transformConstraintData.y            = ReadFloat(input) * scale;
                skeletonData.transformConstraints.Add(transformConstraintData);
            }

            // Slots.
            for (int i = 0, n = ReadVarint(input, true); i < n; i++)
            {
                String   slotName = ReadString(input);
                BoneData boneData = skeletonData.bones.Items[ReadVarint(input, true)];
                SlotData slotData = new SlotData(slotName, boneData);
                int      color    = ReadInt(input);
                slotData.r = ((color & 0xff000000) >> 24) / 255f;
                slotData.g = ((color & 0x00ff0000) >> 16) / 255f;
                slotData.b = ((color & 0x0000ff00) >> 8) / 255f;
                slotData.a = ((color & 0x000000ff)) / 255f;
                slotData.attachmentName = ReadString(input);
                slotData.blendMode      = (BlendMode)ReadVarint(input, true);
                skeletonData.slots.Add(slotData);
            }

            // Default skin.
            Skin defaultSkin = ReadSkin(input, "default", nonessential);

            if (defaultSkin != null)
            {
                skeletonData.defaultSkin = defaultSkin;
                skeletonData.skins.Add(defaultSkin);
            }

            // Skins.
            for (int i = 0, n = ReadVarint(input, true); i < n; i++)
            {
                skeletonData.skins.Add(ReadSkin(input, ReadString(input), nonessential));
            }

            // Linked meshes.
            for (int i = 0, n = linkedMeshes.Count; i < n; i++)
            {
                SkeletonJson.LinkedMesh linkedMesh = linkedMeshes[i];
                Skin skin = linkedMesh.skin == null ? skeletonData.DefaultSkin : skeletonData.FindSkin(linkedMesh.skin);
                if (skin == null)
                {
                    throw new Exception("Skin not found: " + linkedMesh.skin);
                }
                Attachment parent = skin.GetAttachment(linkedMesh.slotIndex, linkedMesh.parent);
                if (parent == null)
                {
                    throw new Exception("Parent mesh not found: " + linkedMesh.parent);
                }
                if (linkedMesh.mesh is MeshAttachment)
                {
                    MeshAttachment mesh = (MeshAttachment)linkedMesh.mesh;
                    mesh.ParentMesh = (MeshAttachment)parent;
                    mesh.UpdateUVs();
                }
                else
                {
                    WeightedMeshAttachment mesh = (WeightedMeshAttachment)linkedMesh.mesh;
                    mesh.ParentMesh = (WeightedMeshAttachment)parent;
                    mesh.UpdateUVs();
                }
            }
            linkedMeshes.Clear();

            // Events.
            for (int i = 0, n = ReadVarint(input, true); i < n; i++)
            {
                EventData eventData = new EventData(ReadString(input));
                eventData.Int    = ReadVarint(input, false);
                eventData.Float  = ReadFloat(input);
                eventData.String = ReadString(input);
                skeletonData.events.Add(eventData);
            }

            // Animations.
            for (int i = 0, n = ReadVarint(input, true); i < n; i++)
            {
                ReadAnimation(ReadString(input), input, skeletonData);
            }

            skeletonData.bones.TrimExcess();
            skeletonData.slots.TrimExcess();
            skeletonData.skins.TrimExcess();
            skeletonData.events.TrimExcess();
            skeletonData.animations.TrimExcess();
            skeletonData.ikConstraints.TrimExcess();
            return(skeletonData);
        }
        public void Draw(Skeleton skeleton)
        {
            float[] vertices = this.vertices;
            var     drawOrder = skeleton.DrawOrder;
            var     drawOrderItems = skeleton.DrawOrder.Items;
            float   skeletonR = skeleton.R, skeletonG = skeleton.G, skeletonB = skeleton.B, skeletonA = skeleton.A;

            for (int i = 0, n = drawOrder.Count; i < n; i++)
            {
                Slot       slot       = drawOrderItems[i];
                Attachment attachment = slot.Attachment;
                if (attachment is RegionAttachment)
                {
                    RegionAttachment regionAttachment = (RegionAttachment)attachment;
                    BlendState       blend            = slot.Data.BlendMode == BlendMode.additive ? BlendState.Additive : defaultBlendState;
                    if (device.BlendState != blend)
                    {
                        End();
                        device.BlendState = blend;
                    }

                    MeshItem item = batcher.NextItem(4, 6);
                    item.triangles = quadTriangles;
                    VertexPositionColorTexture[] itemVertices = item.vertices;

                    AtlasRegion region = (AtlasRegion)regionAttachment.RendererObject;
                    item.texture = (Texture2D)region.page.rendererObject;

                    Color color;
                    float a = skeletonA * slot.A * regionAttachment.A;
                    if (premultipliedAlpha)
                    {
                        color = new Color(
                            skeletonR * slot.R * regionAttachment.R * a,
                            skeletonG * slot.G * regionAttachment.G * a,
                            skeletonB * slot.B * regionAttachment.B * a, a);
                    }
                    else
                    {
                        color = new Color(
                            skeletonR * slot.R * regionAttachment.R,
                            skeletonG * slot.G * regionAttachment.G,
                            skeletonB * slot.B * regionAttachment.B, a);
                    }
                    itemVertices[TL].Color = color;
                    itemVertices[BL].Color = color;
                    itemVertices[BR].Color = color;
                    itemVertices[TR].Color = color;

                    regionAttachment.ComputeWorldVertices(slot.Bone, vertices);
                    itemVertices[TL].Position.X = vertices[RegionAttachment.X1];
                    itemVertices[TL].Position.Y = vertices[RegionAttachment.Y1];
                    itemVertices[TL].Position.Z = 0;
                    itemVertices[BL].Position.X = vertices[RegionAttachment.X2];
                    itemVertices[BL].Position.Y = vertices[RegionAttachment.Y2];
                    itemVertices[BL].Position.Z = 0;
                    itemVertices[BR].Position.X = vertices[RegionAttachment.X3];
                    itemVertices[BR].Position.Y = vertices[RegionAttachment.Y3];
                    itemVertices[BR].Position.Z = 0;
                    itemVertices[TR].Position.X = vertices[RegionAttachment.X4];
                    itemVertices[TR].Position.Y = vertices[RegionAttachment.Y4];
                    itemVertices[TR].Position.Z = 0;

                    float[] uvs = regionAttachment.UVs;
                    itemVertices[TL].TextureCoordinate.X = uvs[RegionAttachment.X1];
                    itemVertices[TL].TextureCoordinate.Y = uvs[RegionAttachment.Y1];
                    itemVertices[BL].TextureCoordinate.X = uvs[RegionAttachment.X2];
                    itemVertices[BL].TextureCoordinate.Y = uvs[RegionAttachment.Y2];
                    itemVertices[BR].TextureCoordinate.X = uvs[RegionAttachment.X3];
                    itemVertices[BR].TextureCoordinate.Y = uvs[RegionAttachment.Y3];
                    itemVertices[TR].TextureCoordinate.X = uvs[RegionAttachment.X4];
                    itemVertices[TR].TextureCoordinate.Y = uvs[RegionAttachment.Y4];
                }
                else if (attachment is MeshAttachment)
                {
                    MeshAttachment mesh        = (MeshAttachment)attachment;
                    int            vertexCount = mesh.Vertices.Length;
                    if (vertices.Length < vertexCount)
                    {
                        vertices = new float[vertexCount];
                    }
                    mesh.ComputeWorldVertices(slot, vertices);

                    int[]    triangles = mesh.Triangles;
                    MeshItem item      = batcher.NextItem(vertexCount, triangles.Length);
                    item.triangles = triangles;

                    AtlasRegion region = (AtlasRegion)mesh.RendererObject;
                    item.texture = (Texture2D)region.page.rendererObject;

                    Color color;
                    float a = skeletonA * slot.A * mesh.A;
                    if (premultipliedAlpha)
                    {
                        color = new Color(
                            skeletonR * slot.R * mesh.R * a,
                            skeletonG * slot.G * mesh.G * a,
                            skeletonB * slot.B * mesh.B * a, a);
                    }
                    else
                    {
                        color = new Color(
                            skeletonR * slot.R * mesh.R,
                            skeletonG * slot.G * mesh.G,
                            skeletonB * slot.B * mesh.B, a);
                    }

                    float[] uvs = mesh.UVs;
                    VertexPositionColorTexture[] itemVertices = item.vertices;
                    for (int ii = 0, v = 0; v < vertexCount; ii++, v += 2)
                    {
                        itemVertices[ii].Color               = color;
                        itemVertices[ii].Position.X          = vertices[v];
                        itemVertices[ii].Position.Y          = vertices[v + 1];
                        itemVertices[ii].Position.Z          = 0;
                        itemVertices[ii].TextureCoordinate.X = uvs[v];
                        itemVertices[ii].TextureCoordinate.Y = uvs[v + 1];
                    }
                }
                else if (attachment is WeightedMeshAttachment)
                {
                    WeightedMeshAttachment mesh = (WeightedMeshAttachment)attachment;
                    int vertexCount             = mesh.UVs.Length;
                    if (vertices.Length < vertexCount)
                    {
                        vertices = new float[vertexCount];
                    }
                    mesh.ComputeWorldVertices(slot, vertices);

                    int[]    triangles = mesh.Triangles;
                    MeshItem item      = batcher.NextItem(vertexCount, triangles.Length);
                    item.triangles = triangles;

                    AtlasRegion region = (AtlasRegion)mesh.RendererObject;
                    item.texture = (Texture2D)region.page.rendererObject;

                    Color color;
                    float a = skeletonA * slot.A * mesh.A;
                    if (premultipliedAlpha)
                    {
                        color = new Color(
                            skeletonR * slot.R * mesh.R * a,
                            skeletonG * slot.G * mesh.G * a,
                            skeletonB * slot.B * mesh.B * a, a);
                    }
                    else
                    {
                        color = new Color(
                            skeletonR * slot.R * mesh.R,
                            skeletonG * slot.G * mesh.G,
                            skeletonB * slot.B * mesh.B, a);
                    }

                    float[] uvs = mesh.UVs;
                    VertexPositionColorTexture[] itemVertices = item.vertices;
                    for (int ii = 0, v = 0; v < vertexCount; ii++, v += 2)
                    {
                        itemVertices[ii].Color               = color;
                        itemVertices[ii].Position.X          = vertices[v];
                        itemVertices[ii].Position.Y          = vertices[v + 1];
                        itemVertices[ii].Position.Z          = 0;
                        itemVertices[ii].TextureCoordinate.X = uvs[v];
                        itemVertices[ii].TextureCoordinate.Y = uvs[v + 1];
                    }
                }
            }
        }