Optimization to not render meshes. Better inspectors.

spine-tk2d/Assets/Spine/Editor/SkeletonAnimationInspector.cs

@@ -33,27 +33,24 @@ using UnityEditor;
 using UnityEngine;
 
 [CustomEditor(typeof(SkeletonAnimation))]
-public class SkeletonAnimationInspector : Editor {
-	private SerializedProperty skeletonDataAsset, initialSkinName, timeScale, normals, tangents;
-	private SerializedProperty animationName, loop;
+public class SkeletonAnimationInspector : SkeletonRendererInspector {
+	protected SerializedProperty animationName, loop, timeScale;
 
-	void OnEnable () {
-		skeletonDataAsset = serializedObject.FindProperty("skeletonDataAsset");
+	protected override void OnEnable () {
+		base.OnEnable();
 		animationName = serializedObject.FindProperty("_animationName");
 		loop = serializedObject.FindProperty("loop");
-		initialSkinName = serializedObject.FindProperty("initialSkinName");
 		timeScale = serializedObject.FindProperty("timeScale");
-		normals = serializedObject.FindProperty("calculateNormals");
-		tangents = serializedObject.FindProperty("calculateTangents");
 	}
 
-	override public void OnInspectorGUI () {
-		serializedObject.Update();
+	protected override void gui () {
+		base.gui();
+
 		SkeletonAnimation component = (SkeletonAnimation)target;
 
 		EditorGUILayout.PropertyField(skeletonDataAsset);
 		
-		if (component.skeleton != null) {
+		if (component.valid) {
 			// Initial skin name.
 			String[] skins = new String[component.skeleton.Data.Skins.Count];
 			int skinIndex = 0;
@@ -98,17 +95,5 @@ public class SkeletonAnimationInspector : Editor {
 		EditorGUILayout.LabelField("Loop");
 		loop.boolValue = EditorGUILayout.Toggle(loop.boolValue);
 		EditorGUILayout.EndHorizontal();
-
-		EditorGUILayout.PropertyField(timeScale);
-		EditorGUILayout.PropertyField(normals);
-		EditorGUILayout.PropertyField(tangents);
-		
-		if (serializedObject.ApplyModifiedProperties() ||
-			(Event.current.type == EventType.ValidateCommand && Event.current.commandName == "UndoRedoPerformed")
-		) {
-			if (!Application.isPlaying) {
-				component.Reset();
-			}
-		}
 	}
 }

spine-tk2d/Assets/Spine/Editor/SkeletonRendererInspector.cs

@@ -34,23 +34,22 @@ using UnityEngine;
 
 [CustomEditor(typeof(SkeletonRenderer))]
 public class SkeletonRendererInspector : Editor {
-	private SerializedProperty skeletonDataAsset, initialSkinName, timeScale, normals, tangents;
+	protected SerializedProperty skeletonDataAsset, initialSkinName, normals, tangents, meshes;
 
-	void OnEnable () {
+	protected virtual void OnEnable () {
 		skeletonDataAsset = serializedObject.FindProperty("skeletonDataAsset");
 		initialSkinName = serializedObject.FindProperty("initialSkinName");
-		timeScale = serializedObject.FindProperty("timeScale");
 		normals = serializedObject.FindProperty("calculateNormals");
 		tangents = serializedObject.FindProperty("calculateTangents");
+		meshes = serializedObject.FindProperty("renderMeshes");
 	}
 
-	override public void OnInspectorGUI () {
-		serializedObject.Update();
+	protected virtual void gui () {
 		SkeletonRenderer component = (SkeletonRenderer)target;
 
 		EditorGUILayout.PropertyField(skeletonDataAsset);
 		
-		if (component.skeleton != null) {
+		if (component.valid) {
 			// Initial skin name.
 			String[] skins = new String[component.skeleton.Data.Skins.Count];
 			int skinIndex = 0;
@@ -60,26 +59,28 @@ public class SkeletonRendererInspector : Editor {
 				if (name == initialSkinName.stringValue)
 					skinIndex = i;
 			}
-		
+			
 			EditorGUILayout.BeginHorizontal();
 			EditorGUILayout.LabelField("Initial Skin");
 			EditorGUIUtility.LookLikeControls();
 			skinIndex = EditorGUILayout.Popup(skinIndex, skins);
 			EditorGUILayout.EndHorizontal();
-		
+			
 			initialSkinName.stringValue = skins[skinIndex];
 		}
-
-		EditorGUILayout.PropertyField(timeScale);
+		
+		EditorGUILayout.PropertyField(meshes);
 		EditorGUILayout.PropertyField(normals);
 		EditorGUILayout.PropertyField(tangents);
-		
+	}
+
+	override public void OnInspectorGUI () {
+		serializedObject.Update();
+		gui();
 		if (serializedObject.ApplyModifiedProperties() ||
 			(Event.current.type == EventType.ValidateCommand && Event.current.commandName == "UndoRedoPerformed")
 		) {
-			if (!Application.isPlaying) {
-				component.Reset();
-			}
+			if (!Application.isPlaying) ((SkeletonRenderer)target).Reset();
 		}
 	}
 }

spine-tk2d/Assets/Spine/SkeletonRenderer.cs

@@ -47,6 +47,7 @@ public class SkeletonRenderer : MonoBehaviour {
 	public bool calculateNormals;
 	public bool calculateTangents;
 	public float zSpacing;
+	public bool renderMeshes;
 	
 	private MeshFilter meshFilter;
 	private Mesh mesh, mesh1, mesh2;
@@ -108,9 +109,9 @@ public class SkeletonRenderer : MonoBehaviour {
 		return mesh;
 	}
 	
-	public virtual void OnWillRenderObject () {
+	public virtual void LateUpdate () {
 		if (!valid) return;
-		
+
 		// Count vertices and submesh triangles.
 		int vertexCount = 0;
 		int submeshTriangleCount = 0, submeshFirstVertex = 0, submeshStartSlotIndex = 0;
@@ -118,6 +119,7 @@ public class SkeletonRenderer : MonoBehaviour {
 		submeshMaterials.Clear();
 		List<Slot> drawOrder = skeleton.DrawOrder;
 		int drawOrderCount = drawOrder.Count;
+		bool renderMeshes = this.renderMeshes;
 		for (int i = 0; i < drawOrderCount; i++) {
 			Attachment attachment = drawOrder[i].attachment;
 			
@@ -128,23 +130,26 @@ public class SkeletonRenderer : MonoBehaviour {
 				rendererObject = ((RegionAttachment)attachment).RendererObject;
 				attachmentVertexCount = 4;
 				attachmentTriangleCount = 6;
-			} else if (attachment is MeshAttachment) {
-				MeshAttachment meshAttachment = (MeshAttachment)attachment;
-				rendererObject = meshAttachment.RendererObject;
-				attachmentVertexCount = meshAttachment.vertices.Length / 2;
-				attachmentTriangleCount = meshAttachment.triangles.Length;
-			} else if (attachment is SkinnedMeshAttachment) {
-				SkinnedMeshAttachment meshAttachment = (SkinnedMeshAttachment)attachment;
-				rendererObject = meshAttachment.RendererObject;
-				attachmentVertexCount = meshAttachment.uvs.Length / 2;
-				attachmentTriangleCount = meshAttachment.triangles.Length;
-			} else
-				continue;
+			} else {
+				if (!renderMeshes) continue;
+				if (attachment is MeshAttachment) {
+					MeshAttachment meshAttachment = (MeshAttachment)attachment;
+					rendererObject = meshAttachment.RendererObject;
+					attachmentVertexCount = meshAttachment.vertices.Length >> 1;
+					attachmentTriangleCount = meshAttachment.triangles.Length;
+				} else if (attachment is SkinnedMeshAttachment) {
+					SkinnedMeshAttachment meshAttachment = (SkinnedMeshAttachment)attachment;
+					rendererObject = meshAttachment.RendererObject;
+					attachmentVertexCount = meshAttachment.uvs.Length >> 1;
+					attachmentTriangleCount = meshAttachment.triangles.Length;
+				} else
+					continue;
+			}
 
 			// Populate submesh when material changes.
 			Material material = (Material)rendererObject;
 			if (lastMaterial != material && lastMaterial != null) {
-				addSubmesh(lastMaterial, submeshStartSlotIndex, i, submeshTriangleCount, submeshFirstVertex, false);
+				AddSubmesh(lastMaterial, submeshStartSlotIndex, i, submeshTriangleCount, submeshFirstVertex, false);
 				submeshTriangleCount = 0;
 				submeshFirstVertex = vertexCount;
 				submeshStartSlotIndex = i;
@@ -154,7 +159,7 @@ public class SkeletonRenderer : MonoBehaviour {
 			submeshTriangleCount += attachmentTriangleCount;
 			vertexCount += attachmentVertexCount;
 		}
-		addSubmesh(lastMaterial, submeshStartSlotIndex, drawOrderCount, submeshTriangleCount, submeshFirstVertex, true);
+		AddSubmesh(lastMaterial, submeshStartSlotIndex, drawOrderCount, submeshTriangleCount, submeshFirstVertex, true);
 		
 		// Set materials.
 		if (submeshMaterials.Count == sharedMaterials.Length)
@@ -219,43 +224,46 @@ public class SkeletonRenderer : MonoBehaviour {
 				uvs[vertexIndex + 3] = new Vector2(regionUVs[RegionAttachment.X3], regionUVs[RegionAttachment.Y3]);
 				
 				vertexIndex += 4;
-			} else if (attachment is MeshAttachment) {
-				MeshAttachment meshAttachment = (MeshAttachment)attachment;
-				int meshVertexCount = meshAttachment.vertices.Length;
-				if (tempVertices.Length < meshVertexCount) tempVertices = new float[meshVertexCount];
-				meshAttachment.ComputeWorldVertices(x, y, slot, tempVertices);
-				
-				color.a = (byte)(a * slot.a * meshAttachment.a);
-				color.r = (byte)(r * slot.r * meshAttachment.r * color.a);
-				color.g = (byte)(g * slot.g * meshAttachment.g * color.a);
-				color.b = (byte)(b * slot.b * meshAttachment.b * color.a);
-				if (slot.data.additiveBlending) color.a = 0;
-				
-				float[] meshUVs = meshAttachment.uvs;
-				float z = i * zSpacing;
-				for (int ii = 0; ii < meshVertexCount; ii += 2, vertexIndex++) {
-					vertices[vertexIndex] = new Vector3(tempVertices[ii], tempVertices[ii + 1], z);
-					colors[vertexIndex] = color;
-					uvs[vertexIndex] = new Vector2(meshUVs[ii], meshUVs[ii + 1]);
-				}
-			} else if (attachment is SkinnedMeshAttachment) {
-				SkinnedMeshAttachment meshAttachment = (SkinnedMeshAttachment)attachment;
-				int meshVertexCount = meshAttachment.uvs.Length;
-				if (tempVertices.Length < meshVertexCount) tempVertices = new float[meshVertexCount];
-				meshAttachment.ComputeWorldVertices(x, y, slot, tempVertices);
-				
-				color.a = (byte)(a * slot.a * meshAttachment.a);
-				color.r = (byte)(r * slot.r * meshAttachment.r * color.a);
-				color.g = (byte)(g * slot.g * meshAttachment.g * color.a);
-				color.b = (byte)(b * slot.b * meshAttachment.b * color.a);
-				if (slot.data.additiveBlending) color.a = 0;
-				
-				float[] meshUVs = meshAttachment.uvs;
-				float z = i * zSpacing;
-				for (int ii = 0; ii < meshVertexCount; ii += 2, vertexIndex++) {
-					vertices[vertexIndex] = new Vector3(tempVertices[ii], tempVertices[ii + 1], z);
-					colors[vertexIndex] = color;
-					uvs[vertexIndex] = new Vector2(meshUVs[ii], meshUVs[ii + 1]);
+			} else {
+				if (!renderMeshes) continue;
+				if (attachment is MeshAttachment) {
+					MeshAttachment meshAttachment = (MeshAttachment)attachment;
+					int meshVertexCount = meshAttachment.vertices.Length;
+					if (tempVertices.Length < meshVertexCount) tempVertices = new float[meshVertexCount];
+					meshAttachment.ComputeWorldVertices(x, y, slot, tempVertices);
+					
+					color.a = (byte)(a * slot.a * meshAttachment.a);
+					color.r = (byte)(r * slot.r * meshAttachment.r * color.a);
+					color.g = (byte)(g * slot.g * meshAttachment.g * color.a);
+					color.b = (byte)(b * slot.b * meshAttachment.b * color.a);
+					if (slot.data.additiveBlending) color.a = 0;
+					
+					float[] meshUVs = meshAttachment.uvs;
+					float z = i * zSpacing;
+					for (int ii = 0; ii < meshVertexCount; ii += 2, vertexIndex++) {
+						vertices[vertexIndex] = new Vector3(tempVertices[ii], tempVertices[ii + 1], z);
+						colors[vertexIndex] = color;
+						uvs[vertexIndex] = new Vector2(meshUVs[ii], meshUVs[ii + 1]);
+					}
+				} else if (attachment is SkinnedMeshAttachment) {
+					SkinnedMeshAttachment meshAttachment = (SkinnedMeshAttachment)attachment;
+					int meshVertexCount = meshAttachment.uvs.Length;
+					if (tempVertices.Length < meshVertexCount) tempVertices = new float[meshVertexCount];
+					meshAttachment.ComputeWorldVertices(x, y, slot, tempVertices);
+					
+					color.a = (byte)(a * slot.a * meshAttachment.a);
+					color.r = (byte)(r * slot.r * meshAttachment.r * color.a);
+					color.g = (byte)(g * slot.g * meshAttachment.g * color.a);
+					color.b = (byte)(b * slot.b * meshAttachment.b * color.a);
+					if (slot.data.additiveBlending) color.a = 0;
+					
+					float[] meshUVs = meshAttachment.uvs;
+					float z = i * zSpacing;
+					for (int ii = 0; ii < meshVertexCount; ii += 2, vertexIndex++) {
+						vertices[vertexIndex] = new Vector3(tempVertices[ii], tempVertices[ii + 1], z);
+						colors[vertexIndex] = color;
+						uvs[vertexIndex] = new Vector2(meshUVs[ii], meshUVs[ii + 1]);
+					}
 				}
 			}
 		}
@@ -297,7 +305,7 @@ public class SkeletonRenderer : MonoBehaviour {
 	}
 	
 	/** Stores vertices and triangles for a single material. */
-	private void addSubmesh (Material material, int startSlot, int endSlot, int triangleCount, int firstVertex, bool lastSubmesh) {
+	private void AddSubmesh (Material material, int startSlot, int endSlot, int triangleCount, int firstVertex, bool lastSubmesh) {
 		int submeshIndex = submeshMaterials.Count;
 		submeshMaterials.Add(material);
 		
@@ -317,6 +325,24 @@ public class SkeletonRenderer : MonoBehaviour {
 			submesh.triangleCount = 0;
 		}
 
+		if (!renderMeshes) {
+			// Use stored triangles if possible.
+			if (submesh.firstVertex != firstVertex || submesh.triangleCount < triangleCount) {
+				submesh.triangleCount = triangleCount;
+				submesh.firstVertex = firstVertex;
+				for (int i = 0; i < triangleCount; i += 6, firstVertex += 4) {
+					triangles[i] = firstVertex;
+					triangles[i + 1] = firstVertex + 2;
+					triangles[i + 2] = firstVertex + 1;
+					triangles[i + 3] = firstVertex + 2;
+					triangles[i + 4] = firstVertex + 3;
+					triangles[i + 5] = firstVertex + 1;
+				}
+			}
+			return;
+		}
+
+		// Store triangles.
 		List<Slot> drawOrder = skeleton.DrawOrder;
 		for (int i = startSlot, triangleIndex = 0; i < endSlot; i++) {
 			Attachment attachment = drawOrder[i].attachment;
@@ -327,11 +353,11 @@ public class SkeletonRenderer : MonoBehaviour {
 				attachmentTriangles = quadTriangles;
 			} else if (attachment is MeshAttachment) {
 				MeshAttachment meshAttachment = (MeshAttachment)attachment;
-				attachmentVertexCount = meshAttachment.vertices.Length / 2;
+				attachmentVertexCount = meshAttachment.vertices.Length >> 1;
 				attachmentTriangles = meshAttachment.triangles;
 			} else if (attachment is SkinnedMeshAttachment) {
 				SkinnedMeshAttachment meshAttachment = (SkinnedMeshAttachment)attachment;
-				attachmentVertexCount = meshAttachment.uvs.Length / 2;
+				attachmentVertexCount = meshAttachment.uvs.Length >> 1;
 				attachmentTriangles = meshAttachment.triangles;
 			} else
 				continue;
@@ -367,4 +393,5 @@ public class SkeletonRenderer : MonoBehaviour {
 class Submesh {
 	public int[] triangles = new int[0];
 	public int triangleCount;
+	public int firstVertex = -1;
 }

spine-unity/Assets/Spine/Editor/SkeletonAnimationInspector.cs

@@ -33,27 +33,24 @@ using UnityEditor;
 using UnityEngine;
 
 [CustomEditor(typeof(SkeletonAnimation))]
-public class SkeletonAnimationInspector : Editor {
-	private SerializedProperty skeletonDataAsset, initialSkinName, timeScale, normals, tangents;
-	private SerializedProperty animationName, loop;
+public class SkeletonAnimationInspector : SkeletonRendererInspector {
+	protected SerializedProperty animationName, loop, timeScale;
 
-	void OnEnable () {
-		skeletonDataAsset = serializedObject.FindProperty("skeletonDataAsset");
+	protected override void OnEnable () {
+		base.OnEnable();
 		animationName = serializedObject.FindProperty("_animationName");
 		loop = serializedObject.FindProperty("loop");
-		initialSkinName = serializedObject.FindProperty("initialSkinName");
 		timeScale = serializedObject.FindProperty("timeScale");
-		normals = serializedObject.FindProperty("calculateNormals");
-		tangents = serializedObject.FindProperty("calculateTangents");
 	}
 
-	override public void OnInspectorGUI () {
-		serializedObject.Update();
+	protected override void gui () {
+		base.gui();
+
 		SkeletonAnimation component = (SkeletonAnimation)target;
 
 		EditorGUILayout.PropertyField(skeletonDataAsset);
 		
-		if (component.skeleton != null) {
+		if (component.valid) {
 			// Initial skin name.
 			String[] skins = new String[component.skeleton.Data.Skins.Count];
 			int skinIndex = 0;
@@ -98,17 +95,5 @@ public class SkeletonAnimationInspector : Editor {
 		EditorGUILayout.LabelField("Loop");
 		loop.boolValue = EditorGUILayout.Toggle(loop.boolValue);
 		EditorGUILayout.EndHorizontal();
-
-		EditorGUILayout.PropertyField(timeScale);
-		EditorGUILayout.PropertyField(normals);
-		EditorGUILayout.PropertyField(tangents);
-		
-		if (serializedObject.ApplyModifiedProperties() ||
-			(Event.current.type == EventType.ValidateCommand && Event.current.commandName == "UndoRedoPerformed")
-		) {
-			if (!Application.isPlaying) {
-				component.Reset();
-			}
-		}
 	}
 }

spine-unity/Assets/Spine/Editor/SkeletonRendererInspector.cs

@@ -34,23 +34,22 @@ using UnityEngine;
 
 [CustomEditor(typeof(SkeletonRenderer))]
 public class SkeletonRendererInspector : Editor {
-	private SerializedProperty skeletonDataAsset, initialSkinName, timeScale, normals, tangents;
+	protected SerializedProperty skeletonDataAsset, initialSkinName, normals, tangents, meshes;
 
-	void OnEnable () {
+	protected virtual void OnEnable () {
 		skeletonDataAsset = serializedObject.FindProperty("skeletonDataAsset");
 		initialSkinName = serializedObject.FindProperty("initialSkinName");
-		timeScale = serializedObject.FindProperty("timeScale");
 		normals = serializedObject.FindProperty("calculateNormals");
 		tangents = serializedObject.FindProperty("calculateTangents");
+		meshes = serializedObject.FindProperty("renderMeshes");
 	}
 
-	override public void OnInspectorGUI () {
-		serializedObject.Update();
+	protected virtual void gui () {
 		SkeletonRenderer component = (SkeletonRenderer)target;
 
 		EditorGUILayout.PropertyField(skeletonDataAsset);
 		
-		if (component.skeleton != null) {
+		if (component.valid) {
 			// Initial skin name.
 			String[] skins = new String[component.skeleton.Data.Skins.Count];
 			int skinIndex = 0;
@@ -60,26 +59,28 @@ public class SkeletonRendererInspector : Editor {
 				if (name == initialSkinName.stringValue)
 					skinIndex = i;
 			}
-		
+			
 			EditorGUILayout.BeginHorizontal();
 			EditorGUILayout.LabelField("Initial Skin");
 			EditorGUIUtility.LookLikeControls();
 			skinIndex = EditorGUILayout.Popup(skinIndex, skins);
 			EditorGUILayout.EndHorizontal();
-		
+			
 			initialSkinName.stringValue = skins[skinIndex];
 		}
-
-		EditorGUILayout.PropertyField(timeScale);
+		
+		EditorGUILayout.PropertyField(meshes);
 		EditorGUILayout.PropertyField(normals);
 		EditorGUILayout.PropertyField(tangents);
-		
+	}
+
+	override public void OnInspectorGUI () {
+		serializedObject.Update();
+		gui();
 		if (serializedObject.ApplyModifiedProperties() ||
 			(Event.current.type == EventType.ValidateCommand && Event.current.commandName == "UndoRedoPerformed")
 		) {
-			if (!Application.isPlaying) {
-				component.Reset();
-			}
+			if (!Application.isPlaying) ((SkeletonRenderer)target).Reset();
 		}
 	}
 }

spine-unity/Assets/Spine/SkeletonRenderer.cs

@@ -41,12 +41,13 @@ public class SkeletonRenderer : MonoBehaviour {
 	public bool valid;
 	[System.NonSerialized]
 	public Skeleton skeleton;
-
+	
 	public SkeletonDataAsset skeletonDataAsset;
 	public String initialSkinName;
 	public bool calculateNormals;
 	public bool calculateTangents;
 	public float zSpacing;
+	public bool renderMeshes;
 	
 	private MeshFilter meshFilter;
 	private Mesh mesh, mesh1, mesh2;
@@ -76,7 +77,7 @@ public class SkeletonRenderer : MonoBehaviour {
 		submeshMaterials.Clear();
 		submeshes.Clear();
 		skeleton = null;
-		
+
 		valid = false;
 		if (!skeletonDataAsset) {
 			Debug.LogError("Missing SkeletonData asset.", this);
@@ -84,7 +85,8 @@ public class SkeletonRenderer : MonoBehaviour {
 		}
 		SkeletonData skeletonData = skeletonDataAsset.GetSkeletonData(false);
 		if (skeletonData == null) return;
-
+		valid = true;
+		
 		meshFilter = GetComponent<MeshFilter>();
 		mesh1 = newMesh();
 		mesh2 = newMesh();
@@ -107,7 +109,7 @@ public class SkeletonRenderer : MonoBehaviour {
 		return mesh;
 	}
 	
-	public virtual void OnWillRenderObject () {
+	public virtual void LateUpdate () {
 		if (!valid) return;
 		
 		// Count vertices and submesh triangles.
@@ -117,6 +119,7 @@ public class SkeletonRenderer : MonoBehaviour {
 		submeshMaterials.Clear();
 		List<Slot> drawOrder = skeleton.DrawOrder;
 		int drawOrderCount = drawOrder.Count;
+		bool renderMeshes = this.renderMeshes;
 		for (int i = 0; i < drawOrderCount; i++) {
 			Attachment attachment = drawOrder[i].attachment;
 			
@@ -127,23 +130,26 @@ public class SkeletonRenderer : MonoBehaviour {
 				rendererObject = ((RegionAttachment)attachment).RendererObject;
 				attachmentVertexCount = 4;
 				attachmentTriangleCount = 6;
-			} else if (attachment is MeshAttachment) {
-				MeshAttachment meshAttachment = (MeshAttachment)attachment;
-				rendererObject = meshAttachment.RendererObject;
-				attachmentVertexCount = meshAttachment.vertices.Length / 2;
-				attachmentTriangleCount = meshAttachment.triangles.Length;
-			} else if (attachment is SkinnedMeshAttachment) {
-				SkinnedMeshAttachment meshAttachment = (SkinnedMeshAttachment)attachment;
-				rendererObject = meshAttachment.RendererObject;
-				attachmentVertexCount = meshAttachment.uvs.Length / 2;
-				attachmentTriangleCount = meshAttachment.triangles.Length;
-			} else
-				continue;
+			} else {
+				if (!renderMeshes) continue;
+				if (attachment is MeshAttachment) {
+					MeshAttachment meshAttachment = (MeshAttachment)attachment;
+					rendererObject = meshAttachment.RendererObject;
+					attachmentVertexCount = meshAttachment.vertices.Length >> 1;
+					attachmentTriangleCount = meshAttachment.triangles.Length;
+				} else if (attachment is SkinnedMeshAttachment) {
+					SkinnedMeshAttachment meshAttachment = (SkinnedMeshAttachment)attachment;
+					rendererObject = meshAttachment.RendererObject;
+					attachmentVertexCount = meshAttachment.uvs.Length >> 1;
+					attachmentTriangleCount = meshAttachment.triangles.Length;
+				} else
+					continue;
+			}
 
 			// Populate submesh when material changes.
 			Material material = (Material)((AtlasRegion)rendererObject).page.rendererObject;
 			if (lastMaterial != material && lastMaterial != null) {
-				addSubmesh(lastMaterial, submeshStartSlotIndex, i, submeshTriangleCount, submeshFirstVertex, false);
+				AddSubmesh(lastMaterial, submeshStartSlotIndex, i, submeshTriangleCount, submeshFirstVertex, false);
 				submeshTriangleCount = 0;
 				submeshFirstVertex = vertexCount;
 				submeshStartSlotIndex = i;
@@ -153,7 +159,7 @@ public class SkeletonRenderer : MonoBehaviour {
 			submeshTriangleCount += attachmentTriangleCount;
 			vertexCount += attachmentVertexCount;
 		}
-		addSubmesh(lastMaterial, submeshStartSlotIndex, drawOrderCount, submeshTriangleCount, submeshFirstVertex, true);
+		AddSubmesh(lastMaterial, submeshStartSlotIndex, drawOrderCount, submeshTriangleCount, submeshFirstVertex, true);
 		
 		// Set materials.
 		if (submeshMaterials.Count == sharedMaterials.Length)
@@ -218,43 +224,46 @@ public class SkeletonRenderer : MonoBehaviour {
 				uvs[vertexIndex + 3] = new Vector2(regionUVs[RegionAttachment.X3], regionUVs[RegionAttachment.Y3]);
 				
 				vertexIndex += 4;
-			} else if (attachment is MeshAttachment) {
-				MeshAttachment meshAttachment = (MeshAttachment)attachment;
-				int meshVertexCount = meshAttachment.vertices.Length;
-				if (tempVertices.Length < meshVertexCount) tempVertices = new float[meshVertexCount];
-				meshAttachment.ComputeWorldVertices(x, y, slot, tempVertices);
-				
-				color.a = (byte)(a * slot.a * meshAttachment.a);
-				color.r = (byte)(r * slot.r * meshAttachment.r * color.a);
-				color.g = (byte)(g * slot.g * meshAttachment.g * color.a);
-				color.b = (byte)(b * slot.b * meshAttachment.b * color.a);
-				if (slot.data.additiveBlending) color.a = 0;
-				
-				float[] meshUVs = meshAttachment.uvs;
-				float z = i * zSpacing;
-				for (int ii = 0; ii < meshVertexCount; ii += 2, vertexIndex++) {
-					vertices[vertexIndex] = new Vector3(tempVertices[ii], tempVertices[ii + 1], z);
-					colors[vertexIndex] = color;
-					uvs[vertexIndex] = new Vector2(meshUVs[ii], meshUVs[ii + 1]);
-				}
-			} else if (attachment is SkinnedMeshAttachment) {
-				SkinnedMeshAttachment meshAttachment = (SkinnedMeshAttachment)attachment;
-				int meshVertexCount = meshAttachment.uvs.Length;
-				if (tempVertices.Length < meshVertexCount) tempVertices = new float[meshVertexCount];
-				meshAttachment.ComputeWorldVertices(x, y, slot, tempVertices);
-				
-				color.a = (byte)(a * slot.a * meshAttachment.a);
-				color.r = (byte)(r * slot.r * meshAttachment.r * color.a);
-				color.g = (byte)(g * slot.g * meshAttachment.g * color.a);
-				color.b = (byte)(b * slot.b * meshAttachment.b * color.a);
-				if (slot.data.additiveBlending) color.a = 0;
-				
-				float[] meshUVs = meshAttachment.uvs;
-				float z = i * zSpacing;
-				for (int ii = 0; ii < meshVertexCount; ii += 2, vertexIndex++) {
-					vertices[vertexIndex] = new Vector3(tempVertices[ii], tempVertices[ii + 1], z);
-					colors[vertexIndex] = color;
-					uvs[vertexIndex] = new Vector2(meshUVs[ii], meshUVs[ii + 1]);
+			} else {
+				if (!renderMeshes) continue;
+				if (attachment is MeshAttachment) {
+					MeshAttachment meshAttachment = (MeshAttachment)attachment;
+					int meshVertexCount = meshAttachment.vertices.Length;
+					if (tempVertices.Length < meshVertexCount) tempVertices = new float[meshVertexCount];
+					meshAttachment.ComputeWorldVertices(x, y, slot, tempVertices);
+					
+					color.a = (byte)(a * slot.a * meshAttachment.a);
+					color.r = (byte)(r * slot.r * meshAttachment.r * color.a);
+					color.g = (byte)(g * slot.g * meshAttachment.g * color.a);
+					color.b = (byte)(b * slot.b * meshAttachment.b * color.a);
+					if (slot.data.additiveBlending) color.a = 0;
+					
+					float[] meshUVs = meshAttachment.uvs;
+					float z = i * zSpacing;
+					for (int ii = 0; ii < meshVertexCount; ii += 2, vertexIndex++) {
+						vertices[vertexIndex] = new Vector3(tempVertices[ii], tempVertices[ii + 1], z);
+						colors[vertexIndex] = color;
+						uvs[vertexIndex] = new Vector2(meshUVs[ii], meshUVs[ii + 1]);
+					}
+				} else if (attachment is SkinnedMeshAttachment) {
+					SkinnedMeshAttachment meshAttachment = (SkinnedMeshAttachment)attachment;
+					int meshVertexCount = meshAttachment.uvs.Length;
+					if (tempVertices.Length < meshVertexCount) tempVertices = new float[meshVertexCount];
+					meshAttachment.ComputeWorldVertices(x, y, slot, tempVertices);
+					
+					color.a = (byte)(a * slot.a * meshAttachment.a);
+					color.r = (byte)(r * slot.r * meshAttachment.r * color.a);
+					color.g = (byte)(g * slot.g * meshAttachment.g * color.a);
+					color.b = (byte)(b * slot.b * meshAttachment.b * color.a);
+					if (slot.data.additiveBlending) color.a = 0;
+					
+					float[] meshUVs = meshAttachment.uvs;
+					float z = i * zSpacing;
+					for (int ii = 0; ii < meshVertexCount; ii += 2, vertexIndex++) {
+						vertices[vertexIndex] = new Vector3(tempVertices[ii], tempVertices[ii + 1], z);
+						colors[vertexIndex] = color;
+						uvs[vertexIndex] = new Vector2(meshUVs[ii], meshUVs[ii + 1]);
+					}
 				}
 			}
 		}
@@ -296,7 +305,7 @@ public class SkeletonRenderer : MonoBehaviour {
 	}
 	
 	/** Stores vertices and triangles for a single material. */
-	private void addSubmesh (Material material, int startSlot, int endSlot, int triangleCount, int firstVertex, bool lastSubmesh) {
+	private void AddSubmesh (Material material, int startSlot, int endSlot, int triangleCount, int firstVertex, bool lastSubmesh) {
 		int submeshIndex = submeshMaterials.Count;
 		submeshMaterials.Add(material);
 		
@@ -316,6 +325,24 @@ public class SkeletonRenderer : MonoBehaviour {
 			submesh.triangleCount = 0;
 		}
 
+		if (!renderMeshes) {
+			// Use stored triangles if possible.
+			if (submesh.firstVertex != firstVertex || submesh.triangleCount < triangleCount) {
+				submesh.triangleCount = triangleCount;
+				submesh.firstVertex = firstVertex;
+				for (int i = 0; i < triangleCount; i += 6, firstVertex += 4) {
+					triangles[i] = firstVertex;
+					triangles[i + 1] = firstVertex + 2;
+					triangles[i + 2] = firstVertex + 1;
+					triangles[i + 3] = firstVertex + 2;
+					triangles[i + 4] = firstVertex + 3;
+					triangles[i + 5] = firstVertex + 1;
+				}
+			}
+			return;
+		}
+
+		// Store triangles.
 		List<Slot> drawOrder = skeleton.DrawOrder;
 		for (int i = startSlot, triangleIndex = 0; i < endSlot; i++) {
 			Attachment attachment = drawOrder[i].attachment;
@@ -326,11 +353,11 @@ public class SkeletonRenderer : MonoBehaviour {
 				attachmentTriangles = quadTriangles;
 			} else if (attachment is MeshAttachment) {
 				MeshAttachment meshAttachment = (MeshAttachment)attachment;
-				attachmentVertexCount = meshAttachment.vertices.Length / 2;
+				attachmentVertexCount = meshAttachment.vertices.Length >> 1;
 				attachmentTriangles = meshAttachment.triangles;
 			} else if (attachment is SkinnedMeshAttachment) {
 				SkinnedMeshAttachment meshAttachment = (SkinnedMeshAttachment)attachment;
-				attachmentVertexCount = meshAttachment.uvs.Length / 2;
+				attachmentVertexCount = meshAttachment.uvs.Length >> 1;
 				attachmentTriangles = meshAttachment.triangles;
 			} else
 				continue;
@@ -366,4 +393,5 @@ public class SkeletonRenderer : MonoBehaviour {
 class Submesh {
 	public int[] triangles = new int[0];
 	public int triangleCount;
+	public int firstVertex = -1;
 }