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Additive blending for spine-csharp and spine-xna.

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This commit is contained in:
NathanSweet 2013-09-20 14:03:52 +02:00
parent a511e267d2
commit 734505c91c
4 changed files with 16 additions and 6 deletions
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5
spine-csharp/src/SkeletonJson.cs
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@ -127,7 +127,10 @@ namespace Spine {
} }
if (slotMap.ContainsKey("attachment")) if (slotMap.ContainsKey("attachment"))
slotData.AttachmentName = (String)slotMap["attachment"]; slotData.AttachmentName = (String)slotMap["attachment"];
if (slotMap.ContainsKey("additive"))
slotData.AdditiveBlending = (bool)slotMap["additive"];
skeletonData.AddSlot(slotData); skeletonData.AddSlot(slotData);
} }

1
spine-csharp/src/SlotData.cs
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@ -35,6 +35,7 @@ namespace Spine {
public float A { get; set; } public float A { get; set; }
/** @param attachmentName May be null. */ /** @param attachmentName May be null. */
public String AttachmentName { get; set; } public String AttachmentName { get; set; }
public bool AdditiveBlending { get; set; }
public SlotData (String name, BoneData boneData) { public SlotData (String name, BoneData boneData) {
if (name == null) throw new ArgumentNullException("name cannot be null."); if (name == null) throw new ArgumentNullException("name cannot be null.");

2
spine-xna/example/data/spineboy.json
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File diff suppressed because one or more lines are too long

14
spine-xna/src/SkeletonRenderer.cs
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@ -34,7 +34,7 @@ namespace Spine {
SpriteBatcher batcher; SpriteBatcher batcher;
BasicEffect effect; BasicEffect effect;
RasterizerState rasterizerState; RasterizerState rasterizerState;
public BlendState BlendState { get; set; } public bool PremultipliedAlpha { get; set; }
float[] vertices = new float[8]; float[] vertices = new float[8];
public SkeletonRenderer (GraphicsDevice device) { public SkeletonRenderer (GraphicsDevice device) {
@ -51,14 +51,12 @@ namespace Spine {
rasterizerState = new RasterizerState(); rasterizerState = new RasterizerState();
rasterizerState.CullMode = CullMode.None; rasterizerState.CullMode = CullMode.None;
BlendState = BlendState.AlphaBlend;
Bone.yDown = true; Bone.yDown = true;
} }
public void Begin () { public void Begin () {
device.RasterizerState = rasterizerState; device.RasterizerState = rasterizerState;
device.BlendState = BlendState; device.BlendState = BlendState.AlphaBlend;
effect.Projection = Matrix.CreateOrthographicOffCenter(0, device.Viewport.Width, device.Viewport.Height, 0, 1, 0); effect.Projection = Matrix.CreateOrthographicOffCenter(0, device.Viewport.Width, device.Viewport.Height, 0, 1, 0);
} }
@ -71,11 +69,19 @@ namespace Spine {
} }
public void Draw (Skeleton skeleton) { public void Draw (Skeleton skeleton) {
Console.WriteLine();
List<Slot> drawOrder = skeleton.DrawOrder; List<Slot> drawOrder = skeleton.DrawOrder;
for (int i = 0, n = drawOrder.Count; i < n; i++) { for (int i = 0, n = drawOrder.Count; i < n; i++) {
Slot slot = drawOrder[i]; Slot slot = drawOrder[i];
RegionAttachment regionAttachment = slot.Attachment as RegionAttachment; RegionAttachment regionAttachment = slot.Attachment as RegionAttachment;
if (regionAttachment != null) { if (regionAttachment != null) {
BlendState blend = slot.Data.AdditiveBlending ? BlendState.Additive : BlendState.AlphaBlend;
if (device.BlendState != blend) {
End();
device.BlendState = blend;
}
SpriteBatchItem item = batcher.CreateBatchItem(); SpriteBatchItem item = batcher.CreateBatchItem();
AtlasRegion region = (AtlasRegion)regionAttachment.RendererObject; AtlasRegion region = (AtlasRegion)regionAttachment.RendererObject;
item.Texture = (Texture2D)region.page.rendererObject; item.Texture = (Texture2D)region.page.rendererObject;