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[starling] Closes #1078, breaking change. If a skeleton requires two color tinting, you have to enable it manually via SKeletonSprite.twoColorTint = true. Skeletons with two color tinting enabled use TwoColorMeshStyle, which has a different vertex layout and shader compared to the default layout and shaders used by Starling and the spine-starling runtime. This will break your batch and add additional draw calls, use with care.

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This commit is contained in:
badlogic 2018-02-08 14:39:51 +01:00
parent d27a9a3d87
commit 7a10d04e61
5 changed files with 20 additions and 13 deletions
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1
CHANGELOG.md
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@ -26,6 +26,7 @@
* Added support for rotated regions in texture atlas loaded via StarlingAtlasAttachmentLoader.
* Added support for vertex effects. See `RaptorExample.as`
* Added 'getTexture()' method to 'StarlingTextureAtlasAttachmentLoader'
* Breaking change: if a skeleton requires two color tinting, you have to enable it via `SkeletonSprite.twoColorTint = true`. In this case the skeleton will use the `TwoColorMeshStyle`, which internally uses a different vertex layout and shader. This means that skeletons with two color tinting enabled will break batching and hence increase the number of draw calls in your app.
## C
* **Breaking changes**

7
spine-starling/spine-starling-example/.settings/org.eclipse.core.resources.prefs
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@ -1,11 +1,4 @@
eclipse.preferences.version=1
encoding//src/spine/examples/TankExample.as=UTF-8
encoding//src/spine/examples/TwoColorExample.as=UTF-8
encoding//src/spine/starling/SkeletonAnimation.as=UTF-8
encoding//src/spine/starling/SkeletonMesh.as=UTF-8
encoding//src/spine/starling/SkeletonSprite.as=UTF-8
encoding//src/spine/starling/StarlingAtlasAttachmentLoader.as=UTF-8
encoding//src/spine/starling/StarlingTextureLoader.as=UTF-8
encoding//src/spine/starling/TwoColorEffect.as=UTF-8
encoding//src/spine/starling/TwoColorMeshStyle.as=UTF-8
encoding/<project>=UTF-8

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spine-starling/spine-starling-example/lib/spine-starling.swc
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5
spine-starling/spine-starling-example/src/spine/examples/CoinExample.as
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@ -72,6 +72,11 @@ package spine.examples {
skeleton.state.timeScale = 0.5;
skeleton.state.update(0.25);
skeleton.state.apply(skeleton.skeleton);
// enable two color tinting, which breaks batching between this skeleton
// and other Starling objects.
skeleton.twoColorTint = true;
skeleton.skeleton.updateWorldTransform();
addChild(skeleton);

20
spine-starling/spine-starling/src/spine/starling/SkeletonSprite.as
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@ -59,9 +59,9 @@ package spine.starling {
static private var _tempMatrix : Matrix = new Matrix();
static private var _tempVertices : Vector.<Number> = new Vector.<Number>(8);
static internal var blendModes : Vector.<String> = new <String>[BlendMode.NORMAL, BlendMode.ADD, BlendMode.MULTIPLY, BlendMode.SCREEN];
private var _skeleton : Skeleton;
public var batchable : Boolean = true;
private var _skeleton : Skeleton;
private var _smoothing : String = "bilinear";
private var _twoColorTint : Boolean = false;
private static var clipper: SkeletonClipping = new SkeletonClipping();
private static var QUAD_INDICES : Vector.<uint> = new <uint>[0, 1, 2, 2, 3, 0];
@ -112,7 +112,7 @@ package spine.starling {
region.rendererObject = mesh = new SkeletonMesh(Image(region.rendererObject).texture);
if (region.rendererObject is AtlasRegion)
region.rendererObject = mesh = new SkeletonMesh(Image(AtlasRegion(region.rendererObject).rendererObject).texture);
mesh.setStyle(new TwoColorMeshStyle());
if (_twoColorTint) mesh.setStyle(new TwoColorMeshStyle());
indexData = mesh.getIndexData();
for (ii = 0; ii < indices.length; ii++)
indexData.setIndex(ii, indices[ii]);
@ -136,7 +136,7 @@ package spine.starling {
meshAttachment.rendererObject = mesh = new SkeletonMesh(Image(meshAttachment.rendererObject).texture);
if (meshAttachment.rendererObject is AtlasRegion)
meshAttachment.rendererObject = mesh = new SkeletonMesh(Image(AtlasRegion(meshAttachment.rendererObject).rendererObject).texture);
mesh.setStyle(new TwoColorMeshStyle());
if (_twoColorTint) mesh.setStyle(new TwoColorMeshStyle());
indexData = mesh.getIndexData();
indicesLength = meshAttachment.triangles.length;
@ -198,13 +198,13 @@ package spine.starling {
tempVertex.dark.setFromColor(tempDark);
vertexEffect.transform(tempVertex);
vertexData.colorize("color", Color.rgb(tempVertex.light.r * 255, tempVertex.light.g * 255, tempVertex.light.b * 255), tempVertex.light.a, ii, 1);
vertexData.colorize("color2", Color.rgb(tempVertex.dark.r * 255, tempVertex.dark.g * 255, tempVertex.dark.b * 255), a, ii, 1);
if (_twoColorTint) vertexData.colorize("color2", Color.rgb(tempVertex.dark.r * 255, tempVertex.dark.g * 255, tempVertex.dark.b * 255), a, ii, 1);
mesh.setVertexPosition(ii, tempVertex.x, tempVertex.y);
mesh.setTexCoords(ii, tempVertex.u, tempVertex.v);
}
} else {
vertexData.colorize("color", rgb, a);
vertexData.colorize("color2", dark);
if (_twoColorTint) vertexData.colorize("color2", dark);
for (ii = 0, iii = 0; ii < verticesCount; ii++, iii += 2) {
mesh.setVertexPosition(ii, worldVertices[iii], worldVertices[iii + 1]);
mesh.setTexCoords(ii, uvs[iii], uvs[iii + 1]);
@ -303,5 +303,13 @@ package spine.starling {
public function set smoothing(smoothing : String) : void {
_smoothing = smoothing;
}
public function get twoColorTint() : Boolean {
return _twoColorTint;
}
public function set twoColorTint(tint : Boolean) : void {
_twoColorTint = tint;
}
}
}