Ejemplo n.º 1
0
        private Attachment ReadAttachment(Dictionary <String, Object> map, Skin skin, int slotIndex, String name)
        {
            var scale = this.Scale;

            name = GetString(map, "name", name);

            var typeName = GetString(map, "type", "region");

            if (typeName == "skinnedmesh")
            {
                typeName = "weightedmesh";
            }
            if (typeName == "weightedmesh")
            {
                typeName = "mesh";
            }
            if (typeName == "weightedlinkedmesh")
            {
                typeName = "linkedmesh";
            }
            var type = (AttachmentType)Enum.Parse(typeof(AttachmentType), typeName, true);

            String path = GetString(map, "path", name);

            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);
                }

                region.UpdateOffset();
                return(region);

            case AttachmentType.Boundingbox:
                BoundingBoxAttachment box = attachmentLoader.NewBoundingBoxAttachment(skin, name);
                if (box == null)
                {
                    return(null);
                }
                ReadVertices(map, box, GetInt(map, "vertexCount", 0) << 1);
                return(box);

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

                String parent = GetString(map, "parent", null);
                if (parent != null)
                {
                    mesh.InheritDeform = GetBoolean(map, "deform", true);
                    linkedMeshes.Add(new LinkedMesh(mesh, GetString(map, "skin", null), slotIndex, parent));
                    return(mesh);
                }

                float[] uvs = GetFloatArray(map, "uvs", 1);
                ReadVertices(map, mesh, uvs.Length);
                mesh.triangles = GetIntArray(map, "triangles");
                mesh.regionUVs = uvs;
                mesh.UpdateUVs();

                if (map.ContainsKey("hull"))
                {
                    mesh.HullLength = GetInt(map, "hull", 0) * 2;
                }
                if (map.ContainsKey("edges"))
                {
                    mesh.Edges = GetIntArray(map, "edges");
                }
                return(mesh);
            }

            case AttachmentType.Path: {
                PathAttachment pathAttachment = attachmentLoader.NewPathAttachment(skin, name);
                if (pathAttachment == null)
                {
                    return(null);
                }
                pathAttachment.closed        = GetBoolean(map, "closed", false);
                pathAttachment.constantSpeed = GetBoolean(map, "constantSpeed", true);

                int vertexCount = GetInt(map, "vertexCount", 0);
                ReadVertices(map, pathAttachment, vertexCount << 1);

                // potential BOZO see Java impl
                pathAttachment.lengths = GetFloatArray(map, "lengths", scale);
                return(pathAttachment);
            }
            }
            return(null);
        }
Ejemplo n.º 2
0
        private void ReadAnimation(Dictionary <String, Object> map, String name, SkeletonData skeletonData)
        {
            var   scale     = this.Scale;
            var   timelines = new ExposedList <Timeline>();
            float duration  = 0;

            // Slot timelines.
            if (map.ContainsKey("slots"))
            {
                foreach (KeyValuePair <String, Object> entry in (Dictionary <String, Object>)map["slots"])
                {
                    String slotName    = entry.Key;
                    int    slotIndex   = skeletonData.FindSlotIndex(slotName);
                    var    timelineMap = (Dictionary <String, Object>)entry.Value;
                    foreach (KeyValuePair <String, Object> timelineEntry in timelineMap)
                    {
                        var values       = (List <Object>)timelineEntry.Value;
                        var timelineName = (String)timelineEntry.Key;
                        if (timelineName == "color")
                        {
                            var timeline = new ColorTimeline(values.Count);
                            timeline.slotIndex = slotIndex;

                            int frameIndex = 0;
                            foreach (Dictionary <String, Object> valueMap in values)
                            {
                                float  time = (float)valueMap["time"];
                                String c    = (String)valueMap["color"];
                                timeline.SetFrame(frameIndex, time, ToColor(c, 0), ToColor(c, 1), ToColor(c, 2), ToColor(c, 3));
                                ReadCurve(valueMap, timeline, frameIndex);
                                frameIndex++;
                            }
                            timelines.Add(timeline);
                            duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * ColorTimeline.ENTRIES]);
                        }
                        else if (timelineName == "attachment")
                        {
                            var timeline = new AttachmentTimeline(values.Count);
                            timeline.slotIndex = slotIndex;

                            int frameIndex = 0;
                            foreach (Dictionary <String, Object> valueMap in values)
                            {
                                float time = (float)valueMap["time"];
                                timeline.SetFrame(frameIndex++, time, (String)valueMap["name"]);
                            }
                            timelines.Add(timeline);
                            duration = Math.Max(duration, timeline.frames[timeline.FrameCount - 1]);
                        }
                        else
                        {
                            throw new Exception("Invalid timeline type for a slot: " + timelineName + " (" + slotName + ")");
                        }
                    }
                }
            }

            // Bone timelines.
            if (map.ContainsKey("bones"))
            {
                foreach (KeyValuePair <String, Object> entry in (Dictionary <String, Object>)map["bones"])
                {
                    String boneName  = entry.Key;
                    int    boneIndex = skeletonData.FindBoneIndex(boneName);
                    if (boneIndex == -1)
                    {
                        throw new Exception("Bone not found: " + boneName);
                    }
                    var timelineMap = (Dictionary <String, Object>)entry.Value;
                    foreach (KeyValuePair <String, Object> timelineEntry in timelineMap)
                    {
                        var values       = (List <Object>)timelineEntry.Value;
                        var timelineName = (String)timelineEntry.Key;
                        if (timelineName == "rotate")
                        {
                            var timeline = new RotateTimeline(values.Count);
                            timeline.boneIndex = boneIndex;

                            int frameIndex = 0;
                            foreach (Dictionary <String, Object> valueMap in values)
                            {
                                timeline.SetFrame(frameIndex, (float)valueMap["time"], (float)valueMap["angle"]);
                                ReadCurve(valueMap, timeline, frameIndex);
                                frameIndex++;
                            }
                            timelines.Add(timeline);
                            duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * RotateTimeline.ENTRIES]);
                        }
                        else if (timelineName == "translate" || timelineName == "scale" || timelineName == "shear")
                        {
                            TranslateTimeline timeline;
                            float             timelineScale = 1;
                            if (timelineName == "scale")
                            {
                                timeline = new ScaleTimeline(values.Count);
                            }
                            else if (timelineName == "shear")
                            {
                                timeline = new ShearTimeline(values.Count);
                            }
                            else
                            {
                                timeline      = new TranslateTimeline(values.Count);
                                timelineScale = scale;
                            }
                            timeline.boneIndex = boneIndex;

                            int frameIndex = 0;
                            foreach (Dictionary <String, Object> valueMap in values)
                            {
                                float time = (float)valueMap["time"];
                                float x    = GetFloat(valueMap, "x", 0);
                                float y    = GetFloat(valueMap, "y", 0);
                                timeline.SetFrame(frameIndex, time, x * timelineScale, y * timelineScale);
                                ReadCurve(valueMap, timeline, frameIndex);
                                frameIndex++;
                            }
                            timelines.Add(timeline);
                            duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * TranslateTimeline.ENTRIES]);
                        }
                        else
                        {
                            throw new Exception("Invalid timeline type for a bone: " + timelineName + " (" + boneName + ")");
                        }
                    }
                }
            }

            // IK constraint timelines.
            if (map.ContainsKey("ik"))
            {
                foreach (KeyValuePair <String, Object> constraintMap in (Dictionary <String, Object>)map["ik"])
                {
                    IkConstraintData constraint = skeletonData.FindIkConstraint(constraintMap.Key);
                    var values   = (List <Object>)constraintMap.Value;
                    var timeline = new IkConstraintTimeline(values.Count);
                    timeline.ikConstraintIndex = skeletonData.ikConstraints.IndexOf(constraint);
                    int frameIndex = 0;
                    foreach (Dictionary <String, Object> valueMap in values)
                    {
                        float time         = (float)valueMap["time"];
                        float mix          = GetFloat(valueMap, "mix", 1);
                        bool  bendPositive = GetBoolean(valueMap, "bendPositive", true);
                        timeline.SetFrame(frameIndex, time, mix, bendPositive ? 1 : -1);
                        ReadCurve(valueMap, timeline, frameIndex);
                        frameIndex++;
                    }
                    timelines.Add(timeline);
                    duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * IkConstraintTimeline.ENTRIES]);
                }
            }

            // Transform constraint timelines.
            if (map.ContainsKey("transform"))
            {
                foreach (KeyValuePair <String, Object> constraintMap in (Dictionary <String, Object>)map["transform"])
                {
                    TransformConstraintData constraint = skeletonData.FindTransformConstraint(constraintMap.Key);
                    var values   = (List <Object>)constraintMap.Value;
                    var timeline = new TransformConstraintTimeline(values.Count);
                    timeline.transformConstraintIndex = skeletonData.transformConstraints.IndexOf(constraint);
                    int frameIndex = 0;
                    foreach (Dictionary <String, Object> valueMap in values)
                    {
                        float time         = (float)valueMap["time"];
                        float rotateMix    = GetFloat(valueMap, "rotateMix", 1);
                        float translateMix = GetFloat(valueMap, "translateMix", 1);
                        float scaleMix     = GetFloat(valueMap, "scaleMix", 1);
                        float shearMix     = GetFloat(valueMap, "shearMix", 1);
                        timeline.SetFrame(frameIndex, time, rotateMix, translateMix, scaleMix, shearMix);
                        ReadCurve(valueMap, timeline, frameIndex);
                        frameIndex++;
                    }
                    timelines.Add(timeline);
                    duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * TransformConstraintTimeline.ENTRIES]);
                }
            }

            // Path constraint timelines.
            if (map.ContainsKey("paths"))
            {
                foreach (KeyValuePair <String, Object> constraintMap in (Dictionary <String, Object>)map["paths"])
                {
                    int index = skeletonData.FindPathConstraintIndex(constraintMap.Key);
                    if (index == -1)
                    {
                        throw new Exception("Path constraint not found: " + constraintMap.Key);
                    }
                    PathConstraintData data = skeletonData.pathConstraints.Items[index];
                    var timelineMap         = (Dictionary <String, Object>)constraintMap.Value;
                    foreach (KeyValuePair <String, Object> timelineEntry in timelineMap)
                    {
                        var values       = (List <Object>)timelineEntry.Value;
                        var timelineName = (String)timelineEntry.Key;
                        if (timelineName == "position" || timelineName == "spacing")
                        {
                            PathConstraintPositionTimeline timeline;
                            float timelineScale = 1;
                            if (timelineName == "spacing")
                            {
                                timeline = new PathConstraintSpacingTimeline(values.Count);
                                if (data.spacingMode == SpacingMode.Length || data.spacingMode == SpacingMode.Fixed)
                                {
                                    timelineScale = scale;
                                }
                            }
                            else
                            {
                                timeline = new PathConstraintPositionTimeline(values.Count);
                                if (data.positionMode == PositionMode.Fixed)
                                {
                                    timelineScale = scale;
                                }
                            }
                            timeline.pathConstraintIndex = index;
                            int frameIndex = 0;
                            foreach (Dictionary <String, Object> valueMap in values)
                            {
                                timeline.SetFrame(frameIndex, (float)valueMap["time"], GetFloat(valueMap, timelineName, 0) * timelineScale);
                                ReadCurve(valueMap, timeline, frameIndex);
                                frameIndex++;
                            }
                            timelines.Add(timeline);
                            duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * PathConstraintPositionTimeline.ENTRIES]);
                        }
                        else if (timelineName == "mix")
                        {
                            PathConstraintMixTimeline timeline = new PathConstraintMixTimeline(values.Count);
                            timeline.pathConstraintIndex = index;
                            int frameIndex = 0;
                            foreach (Dictionary <String, Object> valueMap in values)
                            {
                                timeline.SetFrame(frameIndex, (float)valueMap["time"], GetFloat(valueMap, "rotateMix", 1), GetFloat(valueMap, "translateMix", 1));
                                ReadCurve(valueMap, timeline, frameIndex);
                                frameIndex++;
                            }
                            timelines.Add(timeline);
                            duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * PathConstraintMixTimeline.ENTRIES]);
                        }
                    }
                }
            }

            // Deform timelines.
            if (map.ContainsKey("deform"))
            {
                foreach (KeyValuePair <String, Object> deformMap in (Dictionary <String, Object>)map["deform"])
                {
                    Skin skin = skeletonData.FindSkin(deformMap.Key);
                    foreach (KeyValuePair <String, Object> slotMap in (Dictionary <String, Object>)deformMap.Value)
                    {
                        int slotIndex = skeletonData.FindSlotIndex(slotMap.Key);
                        if (slotIndex == -1)
                        {
                            throw new Exception("Slot not found: " + slotMap.Key);
                        }
                        foreach (KeyValuePair <String, Object> timelineMap in (Dictionary <String, Object>)slotMap.Value)
                        {
                            var values = (List <Object>)timelineMap.Value;
                            VertexAttachment attachment = (VertexAttachment)skin.GetAttachment(slotIndex, timelineMap.Key);
                            if (attachment == null)
                            {
                                throw new Exception("Deform attachment not found: " + timelineMap.Key);
                            }
                            bool    weighted     = attachment.bones != null;
                            float[] vertices     = attachment.vertices;
                            int     deformLength = weighted ? vertices.Length / 3 * 2 : vertices.Length;

                            var timeline = new DeformTimeline(values.Count);
                            timeline.slotIndex  = slotIndex;
                            timeline.attachment = attachment;

                            int frameIndex = 0;
                            foreach (Dictionary <String, Object> valueMap in values)
                            {
                                float[] deform;
                                if (!valueMap.ContainsKey("vertices"))
                                {
                                    deform = weighted ? new float[deformLength] : vertices;
                                }
                                else
                                {
                                    deform = new float[deformLength];
                                    int     start         = GetInt(valueMap, "offset", 0);
                                    float[] verticesValue = GetFloatArray(valueMap, "vertices", 1);
                                    Array.Copy(verticesValue, 0, deform, start, verticesValue.Length);
                                    if (scale != 1)
                                    {
                                        for (int i = start, n = i + verticesValue.Length; i < n; i++)
                                        {
                                            deform[i] *= scale;
                                        }
                                    }

                                    if (!weighted)
                                    {
                                        for (int i = 0; i < deformLength; i++)
                                        {
                                            deform[i] += vertices[i];
                                        }
                                    }
                                }

                                timeline.SetFrame(frameIndex, (float)valueMap["time"], deform);
                                ReadCurve(valueMap, timeline, frameIndex);
                                frameIndex++;
                            }
                            timelines.Add(timeline);
                            duration = Math.Max(duration, timeline.frames[timeline.FrameCount - 1]);
                        }
                    }
                }
            }

            // Draw order timeline.
            if (map.ContainsKey("drawOrder") || map.ContainsKey("draworder"))
            {
                var values     = (List <Object>)map[map.ContainsKey("drawOrder") ? "drawOrder" : "draworder"];
                var timeline   = new DrawOrderTimeline(values.Count);
                int slotCount  = skeletonData.slots.Count;
                int frameIndex = 0;
                foreach (Dictionary <String, Object> drawOrderMap in values)
                {
                    int[] drawOrder = null;
                    if (drawOrderMap.ContainsKey("offsets"))
                    {
                        drawOrder = new int[slotCount];
                        for (int i = slotCount - 1; i >= 0; i--)
                        {
                            drawOrder[i] = -1;
                        }
                        var   offsets = (List <Object>)drawOrderMap["offsets"];
                        int[] unchanged = new int[slotCount - offsets.Count];
                        int   originalIndex = 0, unchangedIndex = 0;
                        foreach (Dictionary <String, Object> offsetMap in offsets)
                        {
                            int slotIndex = skeletonData.FindSlotIndex((String)offsetMap["slot"]);
                            if (slotIndex == -1)
                            {
                                throw new Exception("Slot not found: " + offsetMap["slot"]);
                            }
                            // Collect unchanged items.
                            while (originalIndex != slotIndex)
                            {
                                unchanged[unchangedIndex++] = originalIndex++;
                            }
                            // Set changed items.
                            int index = originalIndex + (int)(float)offsetMap["offset"];
                            drawOrder[index] = originalIndex++;
                        }
                        // Collect remaining unchanged items.
                        while (originalIndex < slotCount)
                        {
                            unchanged[unchangedIndex++] = originalIndex++;
                        }
                        // Fill in unchanged items.
                        for (int i = slotCount - 1; i >= 0; i--)
                        {
                            if (drawOrder[i] == -1)
                            {
                                drawOrder[i] = unchanged[--unchangedIndex];
                            }
                        }
                    }
                    timeline.SetFrame(frameIndex++, (float)drawOrderMap["time"], drawOrder);
                }
                timelines.Add(timeline);
                duration = Math.Max(duration, timeline.frames[timeline.FrameCount - 1]);
            }

            // Event timeline.
            if (map.ContainsKey("events"))
            {
                var eventsMap  = (List <Object>)map["events"];
                var timeline   = new EventTimeline(eventsMap.Count);
                int frameIndex = 0;
                foreach (Dictionary <String, Object> eventMap in eventsMap)
                {
                    EventData eventData = skeletonData.FindEvent((String)eventMap["name"]);
                    if (eventData == null)
                    {
                        throw new Exception("Event not found: " + eventMap["name"]);
                    }
                    var e = new Event((float)eventMap["time"], eventData);
                    e.Int    = GetInt(eventMap, "int", eventData.Int);
                    e.Float  = GetFloat(eventMap, "float", eventData.Float);
                    e.String = GetString(eventMap, "string", eventData.String);
                    timeline.SetFrame(frameIndex++, e);
                }
                timelines.Add(timeline);
                duration = Math.Max(duration, timeline.frames[timeline.FrameCount - 1]);
            }

            timelines.TrimExcess();
            skeletonData.animations.Add(new Animation(name, timelines, duration));
        }
Ejemplo n.º 3
0
        public SkeletonData ReadSkeletonData(TextReader reader)
        {
            if (reader == null)
            {
                throw new ArgumentNullException("reader", "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 data = new BoneData(skeletonData.Bones.Count, (String)boneMap["name"], parent);
                data.length          = GetFloat(boneMap, "length", 0) * scale;
                data.x               = GetFloat(boneMap, "x", 0) * scale;
                data.y               = GetFloat(boneMap, "y", 0) * scale;
                data.rotation        = GetFloat(boneMap, "rotation", 0);
                data.scaleX          = GetFloat(boneMap, "scaleX", 1);
                data.scaleY          = GetFloat(boneMap, "scaleY", 1);
                data.shearX          = GetFloat(boneMap, "shearX", 0);
                data.shearY          = GetFloat(boneMap, "shearY", 0);
                data.inheritRotation = GetBoolean(boneMap, "inheritRotation", true);
                data.inheritScale    = GetBoolean(boneMap, "inheritScale", true);

                skeletonData.bones.Add(data);
            }

            // 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 data = new SlotData(skeletonData.Slots.Count, slotName, boneData);

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

                    data.attachmentName = GetString(slotMap, "attachment", null);
                    if (slotMap.ContainsKey("blend"))
                    {
                        data.blendMode = (BlendMode)Enum.Parse(typeof(BlendMode), (String)slotMap["blend"], false);
                    }
                    else
                    {
                        data.blendMode = BlendMode.normal;
                    }
                    skeletonData.slots.Add(data);
                }
            }

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

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

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

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

                    skeletonData.ikConstraints.Add(data);
                }
            }

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

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

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

                    data.offsetRotation = GetFloat(constraintMap, "rotation", 0);
                    data.offsetX        = GetFloat(constraintMap, "x", 0) * scale;
                    data.offsetY        = GetFloat(constraintMap, "y", 0) * scale;
                    data.offsetScaleX   = GetFloat(constraintMap, "scaleX", 0);
                    data.offsetScaleY   = GetFloat(constraintMap, "scaleY", 0);
                    data.offsetShearY   = GetFloat(constraintMap, "shearY", 0);

                    data.rotateMix    = GetFloat(constraintMap, "rotateMix", 1);
                    data.translateMix = GetFloat(constraintMap, "translateMix", 1);
                    data.scaleMix     = GetFloat(constraintMap, "scaleMix", 1);
                    data.shearMix     = GetFloat(constraintMap, "shearMix", 1);

                    skeletonData.transformConstraints.Add(data);
                }
            }

            // Path constraints.
            if (root.ContainsKey("path"))
            {
                foreach (Dictionary <String, Object> constraintMap in (List <Object>)root["path"])
                {
                    PathConstraintData data = new PathConstraintData((String)constraintMap["name"]);

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

                    String targetName = (String)constraintMap["target"];
                    data.target = skeletonData.FindSlot(targetName);
                    if (data.target == null)
                    {
                        throw new Exception("Target slot not found: " + targetName);
                    }

                    data.positionMode   = (PositionMode)Enum.Parse(typeof(PositionMode), GetString(constraintMap, "positionMode", "percent"), true);
                    data.spacingMode    = (SpacingMode)Enum.Parse(typeof(SpacingMode), GetString(constraintMap, "spacingMode", "length"), true);
                    data.rotateMode     = (RotateMode)Enum.Parse(typeof(RotateMode), GetString(constraintMap, "rotateMode", "tangent"), true);
                    data.offsetRotation = GetFloat(constraintMap, "rotation", 0);
                    data.position       = GetFloat(constraintMap, "position", 0);
                    if (data.positionMode == PositionMode.Fixed)
                    {
                        data.position *= scale;
                    }
                    data.spacing = GetFloat(constraintMap, "spacing", 0);
                    if (data.spacingMode == SpacingMode.Length || data.spacingMode == SpacingMode.Fixed)
                    {
                        data.spacing *= scale;
                    }
                    data.rotateMix    = GetFloat(constraintMap, "rotateMix", 1);
                    data.translateMix = GetFloat(constraintMap, "translateMix", 1);

                    skeletonData.pathConstraints.Add(data);
                }
            }

            // Skins.
            if (root.ContainsKey("skins"))
            {
                foreach (KeyValuePair <String, Object> skinMap in (Dictionary <String, Object>)root["skins"])
                {
                    var skin = new Skin(skinMap.Key);
                    foreach (KeyValuePair <String, Object> slotEntry in (Dictionary <String, Object>)skinMap.Value)
                    {
                        int slotIndex = skeletonData.FindSlotIndex(slotEntry.Key);
                        foreach (KeyValuePair <String, Object> entry in ((Dictionary <String, Object>)slotEntry.Value))
                        {
                            try {
                                Attachment attachment = ReadAttachment((Dictionary <String, Object>)entry.Value, skin, slotIndex, entry.Key);
                                if (attachment != null)
                                {
                                    skin.AddAttachment(slotIndex, entry.Key, attachment);
                                }
                            } catch (Exception e) {
                                throw new Exception("Error reading attachment: " + entry.Key + ", skin: " + skin, e);
                            }
                        }
                    }
                    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);
                }
                linkedMesh.mesh.ParentMesh = (MeshAttachment)parent;
                linkedMesh.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 data     = new EventData(entry.Key);
                    data.Int    = GetInt(entryMap, "int", 0);
                    data.Float  = GetFloat(entryMap, "float", 0);
                    data.String = GetString(entryMap, "string", null);
                    skeletonData.events.Add(data);
                }
            }

            // Animations.
            if (root.ContainsKey("animations"))
            {
                foreach (KeyValuePair <String, Object> entry in (Dictionary <String, Object>)root["animations"])
                {
                    try {
                        ReadAnimation((Dictionary <String, Object>)entry.Value, entry.Key, skeletonData);
                    } catch (Exception e) {
                        throw new Exception("Error reading animation: " + entry.Key, e);
                    }
                }
            }

            skeletonData.bones.TrimExcess();
            skeletonData.slots.TrimExcess();
            skeletonData.skins.TrimExcess();
            skeletonData.events.TrimExcess();
            skeletonData.animations.TrimExcess();
            skeletonData.ikConstraints.TrimExcess();
            return(skeletonData);
        }