private void Load(TextReader reader, String imagesDir, TextureLoader textureLoader) { if (textureLoader == null) { throw new ArgumentNullException("textureLoader cannot be null."); } this.textureLoader = textureLoader; String[] tuple = new String[4]; AtlasPage page = null; while (true) { String line = reader.ReadLine(); if (line == null) { break; } if (line.Trim().Length == 0) { page = null; } else if (page == null) { page = new AtlasPage(); page.name = line; if (ReadTuple(reader, tuple) == 2) // size is only optional for an atlas packed with an old TexturePacker. { page.width = int.Parse(tuple[0]); page.height = int.Parse(tuple[1]); ReadTuple(reader, tuple); } page.format = (Format)Enum.Parse(typeof(Format), tuple[0], false); ReadTuple(reader, tuple); page.minFilter = (TextureFilter)Enum.Parse(typeof(TextureFilter), tuple[0], false); page.magFilter = (TextureFilter)Enum.Parse(typeof(TextureFilter), tuple[1], false); String direction = ReadValue(reader); page.uWrap = TextureWrap.ClampToEdge; page.vWrap = TextureWrap.ClampToEdge; if (direction == "x") { page.uWrap = TextureWrap.Repeat; } else if (direction == "y") { page.vWrap = TextureWrap.Repeat; } else if (direction == "xy") { page.uWrap = page.vWrap = TextureWrap.Repeat; } textureLoader.Load(page, Path.Combine(imagesDir, line)); pages.Add(page); } else { AtlasRegion region = new AtlasRegion(); region.name = line; region.page = page; region.rotate = Boolean.Parse(ReadValue(reader)); ReadTuple(reader, tuple); int x = int.Parse(tuple[0]); int y = int.Parse(tuple[1]); ReadTuple(reader, tuple); int width = int.Parse(tuple[0]); int height = int.Parse(tuple[1]); region.u = x / (float)page.width; region.v = y / (float)page.height; if (region.rotate) { region.u2 = (x + height) / (float)page.width; region.v2 = (y + width) / (float)page.height; } else { region.u2 = (x + width) / (float)page.width; region.v2 = (y + height) / (float)page.height; } region.x = x; region.y = y; region.width = Math.Abs(width); region.height = Math.Abs(height); if (ReadTuple(reader, tuple) == 4) // split is optional { region.splits = new int[] { int.Parse(tuple[0]), int.Parse(tuple[1]), int.Parse(tuple[2]), int.Parse(tuple[3]) }; if (ReadTuple(reader, tuple) == 4) // pad is optional, but only present with splits { region.pads = new int[] { int.Parse(tuple[0]), int.Parse(tuple[1]), int.Parse(tuple[2]), int.Parse(tuple[3]) }; ReadTuple(reader, tuple); } } region.originalWidth = int.Parse(tuple[0]); region.originalHeight = int.Parse(tuple[1]); ReadTuple(reader, tuple); region.offsetX = int.Parse(tuple[0]); region.offsetY = int.Parse(tuple[1]); region.index = int.Parse(ReadValue(reader)); regions.Add(region); } } }
public void Draw(Skeleton skeleton) { 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]; RegionAttachment regionAttachment = slot.Attachment as RegionAttachment; if (regionAttachment != null) { BlendState blendState = new BlendState(); Blend blendSrc; Blend blendDst; if (premultipliedAlpha) { blendState.AlphaBlendFunction = BlendState.AlphaBlend.AlphaBlendFunction; blendState.BlendFactor = BlendState.AlphaBlend.BlendFactor; blendState.ColorBlendFunction = BlendState.AlphaBlend.ColorBlendFunction; blendState.ColorWriteChannels = BlendState.AlphaBlend.ColorWriteChannels; blendState.ColorWriteChannels1 = BlendState.AlphaBlend.ColorWriteChannels1; blendState.ColorWriteChannels2 = BlendState.AlphaBlend.ColorWriteChannels2; blendState.ColorWriteChannels3 = BlendState.AlphaBlend.ColorWriteChannels3; blendState.MultiSampleMask = BlendState.AlphaBlend.MultiSampleMask; } else { blendState.AlphaBlendFunction = BlendState.NonPremultiplied.AlphaBlendFunction; blendState.BlendFactor = BlendState.NonPremultiplied.BlendFactor; blendState.ColorBlendFunction = BlendState.NonPremultiplied.ColorBlendFunction; blendState.ColorWriteChannels = BlendState.NonPremultiplied.ColorWriteChannels; blendState.ColorWriteChannels1 = BlendState.NonPremultiplied.ColorWriteChannels1; blendState.ColorWriteChannels2 = BlendState.NonPremultiplied.ColorWriteChannels2; blendState.ColorWriteChannels3 = BlendState.NonPremultiplied.ColorWriteChannels3; blendState.MultiSampleMask = BlendState.NonPremultiplied.MultiSampleMask; } switch (slot.Data.BlendMode) { case BlendMode.additive: blendState = BlendState.Additive; break; case BlendMode.multiply: blendSrc = BlendXna.GetXNABlend(BlendXna.GL_DST_COLOR); blendDst = BlendXna.GetXNABlend(BlendXna.GL_ONE_MINUS_SRC_ALPHA); blendState.ColorSourceBlend = blendSrc; blendState.AlphaSourceBlend = blendSrc; blendState.ColorDestinationBlend = blendDst; blendState.AlphaDestinationBlend = blendDst; break; case BlendMode.screen: blendSrc = BlendXna.GetXNABlend(premultipliedAlpha ? BlendXna.GL_ONE : BlendXna.GL_SRC_ALPHA); blendDst = BlendXna.GetXNABlend(BlendXna.GL_ONE_MINUS_SRC_COLOR); blendState.ColorSourceBlend = blendSrc; blendState.AlphaSourceBlend = blendSrc; blendState.ColorDestinationBlend = blendDst; blendState.AlphaDestinationBlend = blendDst; break; default: blendState = defaultBlendState; break; } if (device.BlendState != blendState) { End(); device.BlendState = blendState; } RegionItem item = batcher.NextItem(); AtlasRegion region = (AtlasRegion)regionAttachment.RendererObject; item.texture = (Texture2D)region.page.rendererObject; Color color; float a = skeletonA * slot.A; if (premultipliedAlpha) { color = new Color(skeletonR * slot.R * a, skeletonG * slot.G * a, skeletonB * slot.B * a, a); } else { color = new Color(skeletonR * slot.R, skeletonG * slot.G, skeletonB * slot.B, a); } item.vertexTL.Color = color; item.vertexBL.Color = color; item.vertexBR.Color = color; item.vertexTR.Color = color; float[] vertices = this.vertices; regionAttachment.ComputeWorldVertices(slot.Bone, vertices); item.vertexTL.Position.X = vertices[RegionAttachment.X1]; item.vertexTL.Position.Y = vertices[RegionAttachment.Y1]; item.vertexTL.Position.Z = 0; item.vertexBL.Position.X = vertices[RegionAttachment.X2]; item.vertexBL.Position.Y = vertices[RegionAttachment.Y2]; item.vertexBL.Position.Z = 0; item.vertexBR.Position.X = vertices[RegionAttachment.X3]; item.vertexBR.Position.Y = vertices[RegionAttachment.Y3]; item.vertexBR.Position.Z = 0; item.vertexTR.Position.X = vertices[RegionAttachment.X4]; item.vertexTR.Position.Y = vertices[RegionAttachment.Y4]; item.vertexTR.Position.Z = 0; float[] uvs = regionAttachment.UVs; item.vertexTL.TextureCoordinate.X = uvs[RegionAttachment.X1]; item.vertexTL.TextureCoordinate.Y = uvs[RegionAttachment.Y1]; item.vertexBL.TextureCoordinate.X = uvs[RegionAttachment.X2]; item.vertexBL.TextureCoordinate.Y = uvs[RegionAttachment.Y2]; item.vertexBR.TextureCoordinate.X = uvs[RegionAttachment.X3]; item.vertexBR.TextureCoordinate.Y = uvs[RegionAttachment.Y3]; item.vertexTR.TextureCoordinate.X = uvs[RegionAttachment.X4]; item.vertexTR.TextureCoordinate.Y = uvs[RegionAttachment.Y4]; } } }
public void Draw(Skeleton skeleton) { 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]; RegionAttachment regionAttachment = slot.Attachment as RegionAttachment; if (regionAttachment != null) { BlendState blend = slot.Data.BlendMode == BlendMode.additive ? BlendState.Additive : defaultBlendState; if (device.BlendState != blend) { End(); device.BlendState = blend; } RegionItem item = batcher.NextItem(); AtlasRegion region = (AtlasRegion)regionAttachment.RendererObject; item.texture = (Texture2D)region.page.rendererObject; Color color; float a = skeletonA * slot.A; if (premultipliedAlpha) { color = new Color(skeletonR * slot.R * a, skeletonG * slot.G * a, skeletonB * slot.B * a, a); } else { color = new Color(skeletonR * slot.R, skeletonG * slot.G, skeletonB * slot.B, a); } item.vertexTL.Color = color; item.vertexBL.Color = color; item.vertexBR.Color = color; item.vertexTR.Color = color; float[] vertices = this.vertices; regionAttachment.ComputeWorldVertices(slot.Bone, vertices); item.vertexTL.Position.X = vertices[RegionAttachment.X1]; item.vertexTL.Position.Y = vertices[RegionAttachment.Y1]; item.vertexTL.Position.Z = 0; item.vertexBL.Position.X = vertices[RegionAttachment.X2]; item.vertexBL.Position.Y = vertices[RegionAttachment.Y2]; item.vertexBL.Position.Z = 0; item.vertexBR.Position.X = vertices[RegionAttachment.X3]; item.vertexBR.Position.Y = vertices[RegionAttachment.Y3]; item.vertexBR.Position.Z = 0; item.vertexTR.Position.X = vertices[RegionAttachment.X4]; item.vertexTR.Position.Y = vertices[RegionAttachment.Y4]; item.vertexTR.Position.Z = 0; float[] uvs = regionAttachment.UVs; item.vertexTL.TextureCoordinate.X = uvs[RegionAttachment.X1]; item.vertexTL.TextureCoordinate.Y = uvs[RegionAttachment.Y1]; item.vertexBL.TextureCoordinate.X = uvs[RegionAttachment.X2]; item.vertexBL.TextureCoordinate.Y = uvs[RegionAttachment.Y2]; item.vertexBR.TextureCoordinate.X = uvs[RegionAttachment.X3]; item.vertexBR.TextureCoordinate.Y = uvs[RegionAttachment.Y3]; item.vertexTR.TextureCoordinate.X = uvs[RegionAttachment.X4]; item.vertexTR.TextureCoordinate.Y = uvs[RegionAttachment.Y4]; } } }