protected override void LoadContent()
        {
            // Two color tint effect, comment line 80 to disable
            var spineEffect = Content.Load <Effect>("spine-xna-example-content\\SpineEffect");

            spineEffect.Parameters["World"].SetValue(Matrix.Identity);
            spineEffect.Parameters["View"].SetValue(Matrix.CreateLookAt(new Vector3(0.0f, 0.0f, 1.0f), Vector3.Zero, Vector3.Up));

            skeletonRenderer = new SkeletonRenderer(GraphicsDevice);
            skeletonRenderer.PremultipliedAlpha = false;
            skeletonRenderer.Effect             = spineEffect;

            skeletonDebugRenderer = new SkeletonDebugRenderer(GraphicsDevice);
            skeletonDebugRenderer.DisableAll();
            skeletonDebugRenderer.DrawClipping = true;

            // String name = "spineboy-ess";
            // String name = "goblins-pro";
            // String name = "raptor-pro";
            // String name = "tank-pro";
            String name      = "coin-pro";
            String atlasName = name.Replace("-pro", "").Replace("-ess", "");

            if (name == "goblins-pro")
            {
                atlasName = "goblins-mesh";
            }
            bool binaryData = false;

            Atlas atlas = new Atlas(assetsFolder + atlasName + ".atlas", new XnaTextureLoader(GraphicsDevice));

            float scale = 1;

            if (name == "spineboy-ess")
            {
                scale = 0.6f;
            }
            if (name == "raptor-pro")
            {
                scale = 0.5f;
            }
            if (name == "tank-pro")
            {
                scale = 0.3f;
            }
            if (name == "coin-pro")
            {
                scale = 1;
            }

            SkeletonData skeletonData;

            if (binaryData)
            {
                SkeletonBinary binary = new SkeletonBinary(atlas);
                binary.Scale = scale;
                skeletonData = binary.ReadSkeletonData(assetsFolder + name + ".skel");
            }
            else
            {
                SkeletonJson json = new SkeletonJson(atlas);
                json.Scale   = scale;
                skeletonData = json.ReadSkeletonData(assetsFolder + name + ".json");
            }
            skeleton = new Skeleton(skeletonData);
            if (name == "goblins-pro")
            {
                skeleton.SetSkin("goblin");
            }

            // Define mixing between animations.
            AnimationStateData stateData = new AnimationStateData(skeleton.Data);

            state = new AnimationState(stateData);

            if (name == "spineboy-ess")
            {
                skeleton.SetAttachment("head-bb", "head");

                stateData.SetMix("run", "jump", 0.2f);
                stateData.SetMix("jump", "run", 0.4f);

                // Event handling for all animations.
                state.Start    += Start;
                state.End      += End;
                state.Complete += Complete;
                state.Event    += Event;

                state.SetAnimation(0, "run", true);
                TrackEntry entry = state.AddAnimation(0, "jump", false, 0);
                entry.End += End;                 // Event handling for queued animations.
                state.AddAnimation(0, "run", true, 0);
            }
            else if (name == "raptor-pro")
            {
                state.SetAnimation(0, "walk", true);
                state.AddAnimation(1, "gun-grab", false, 2);
            }
            else if (name == "coin-pro")
            {
                state.SetAnimation(0, "animation", true);
            }
            else if (name == "tank-pro")
            {
                skeleton.X += 300;
                state.SetAnimation(0, "drive", true);
            }
            else
            {
                state.SetAnimation(0, "walk", true);
            }

            skeleton.X += 400;
            skeleton.Y += GraphicsDevice.Viewport.Height;
            skeleton.UpdateWorldTransform();

            headSlot = skeleton.FindSlot("head");
        }
        protected override void LoadContent()
        {
            bool   useNormalmapShader = false;
            Effect spineEffect;

            if (!useNormalmapShader)
            {
                // Two color tint effect. Note that you can also use the default BasicEffect instead.
                spineEffect = Content.Load <Effect>("spine-xna-example-content\\SpineEffect");
            }
            else
            {
                spineEffect = Content.Load <Effect>("spine-xna-example-content\\SpineEffectNormalmap");
                spineEffect.Parameters["Light0_Direction"].SetValue(new Vector3(-0.5265408f, 0.5735765f, -0.6275069f));
                spineEffect.Parameters["Light0_Diffuse"].SetValue(new Vector3(1, 0.9607844f, 0.8078432f));
                spineEffect.Parameters["Light0_Specular"].SetValue(new Vector3(1, 0.9607844f, 0.8078432f));
                spineEffect.Parameters["Light0_SpecularExponent"].SetValue(2.0f);
            }
            spineEffect.Parameters["World"].SetValue(Matrix.Identity);
            spineEffect.Parameters["View"].SetValue(Matrix.CreateLookAt(new Vector3(0.0f, 0.0f, 1.0f), Vector3.Zero, Vector3.Up));

            skeletonRenderer = new SkeletonRenderer(GraphicsDevice);
            skeletonRenderer.PremultipliedAlpha = false;
            skeletonRenderer.Effect             = spineEffect;

            skeletonDebugRenderer = new SkeletonDebugRenderer(GraphicsDevice);
            skeletonDebugRenderer.DisableAll();
            skeletonDebugRenderer.DrawClipping = true;

            // String name = "spineboy-pro";
            String name = "raptor-pro";

            // String name = "tank-pro";
            //String name = "coin-pro";
            if (useNormalmapShader)
            {
                name = "raptor-pro";                 // we only have normalmaps for raptor
            }
            String atlasName = name.Replace("-pro", "").Replace("-ess", "");

            bool binaryData = false;

            Atlas atlas;

            if (!useNormalmapShader)
            {
                atlas = new Atlas(assetsFolder + atlasName + ".atlas", new XnaTextureLoader(GraphicsDevice));
            }
            else
            {
                atlas = new Atlas(assetsFolder + atlasName + ".atlas", new XnaTextureLoader(GraphicsDevice,
                                                                                            loadMultipleTextureLayers: true, textureSuffixes: new string[] { "", "_normals" }));
            }
            float scale = 1;

            if (name == "spineboy-pro")
            {
                scale = 0.6f;
            }
            if (name == "raptor-pro")
            {
                scale = 0.5f;
            }
            if (name == "tank-pro")
            {
                scale = 0.3f;
            }
            if (name == "coin-pro")
            {
                scale = 1;
            }

            SkeletonData skeletonData;

            if (binaryData)
            {
                SkeletonBinary binary = new SkeletonBinary(atlas);
                binary.Scale = scale;
                skeletonData = binary.ReadSkeletonData(assetsFolder + name + ".skel");
            }
            else
            {
                SkeletonJson json = new SkeletonJson(atlas);
                json.Scale   = scale;
                skeletonData = json.ReadSkeletonData(assetsFolder + name + ".json");
            }
            skeleton = new Skeleton(skeletonData);
            if (name == "goblins-pro")
            {
                skeleton.SetSkin("goblin");
            }

            // Define mixing between animations.
            AnimationStateData stateData = new AnimationStateData(skeleton.Data);

            state = new AnimationState(stateData);

            if (name == "spineboy-pro")
            {
                skeleton.SetAttachment("head-bb", "head");

                stateData.SetMix("run", "jump", 0.2f);
                stateData.SetMix("jump", "run", 0.4f);

                // Event handling for all animations.
                state.Start    += Start;
                state.End      += End;
                state.Complete += Complete;
                state.Event    += Event;

                state.SetAnimation(0, "run", true);
                TrackEntry entry = state.AddAnimation(0, "jump", false, 0);
                entry.End += End;                 // Event handling for queued animations.
                state.AddAnimation(0, "run", true, 0);
            }
            else if (name == "raptor-pro")
            {
                state.SetAnimation(0, "walk", true);
                state.AddAnimation(1, "gun-grab", false, 2);
            }
            else if (name == "coin-pro")
            {
                state.SetAnimation(0, "animation", true);
            }
            else if (name == "tank-pro")
            {
                skeleton.X += 300;
                state.SetAnimation(0, "drive", true);
            }
            else
            {
                state.SetAnimation(0, "walk", true);
            }

            skeleton.X += 400;
            skeleton.Y += GraphicsDevice.Viewport.Height;
            skeleton.UpdateWorldTransform();

            headSlot = skeleton.FindSlot("head");
        }