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Fixed additive blending for meshes.

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This commit is contained in:
NathanSweet 2014-04-28 23:08:57 +02:00
parent 3ff8661670
commit 03c957f55e
1 changed files with 15 additions and 15 deletions
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30
spine-libgdx/src/com/esotericsoftware/spine/SkeletonRenderer.java
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@ -47,6 +47,7 @@ public class SkeletonRenderer {
private boolean premultipliedAlpha;
@SuppressWarnings("null")
public void draw (PolygonSpriteBatch batch, Skeleton skeleton) {
boolean premultipliedAlpha = this.premultipliedAlpha;
int srcFunc = premultipliedAlpha ? GL20.GL_ONE : GL20.GL_SRC_ALPHA;
@ -54,13 +55,13 @@ public class SkeletonRenderer {
boolean additive = false;
float[] vertices;
short[] triangles;
Texture texture;
float[] vertices = null;
short[] triangles = null;
Array<Slot> drawOrder = skeleton.drawOrder;
for (int i = 0, n = drawOrder.size; i < n; i++) {
Slot slot = drawOrder.get(i);
Attachment attachment = slot.attachment;
Texture texture = null;
if (attachment instanceof RegionAttachment) {
RegionAttachment region = (RegionAttachment)attachment;
region.updateWorldVertices(slot, premultipliedAlpha);
@ -68,23 +69,12 @@ public class SkeletonRenderer {
triangles = quadTriangles;
texture = region.getRegion().getTexture();
if (slot.data.getAdditiveBlending() != additive) {
additive = !additive;
if (additive)
batch.setBlendFunction(srcFunc, GL20.GL_ONE);
else
batch.setBlendFunction(srcFunc, GL20.GL_ONE_MINUS_SRC_ALPHA);
}
batch.draw(texture, vertices, 0, vertices.length, triangles, 0, triangles.length);
} else if (attachment instanceof MeshAttachment) {
MeshAttachment mesh = (MeshAttachment)attachment;
mesh.updateWorldVertices(slot, true);
vertices = mesh.getWorldVertices();
triangles = mesh.getTriangles();
texture = mesh.getRegion().getTexture();
batch.draw(texture, vertices, 0, vertices.length, triangles, 0, triangles.length);
} else if (attachment instanceof SkinnedMeshAttachment) {
SkinnedMeshAttachment mesh = (SkinnedMeshAttachment)attachment;
@ -92,7 +82,6 @@ public class SkeletonRenderer {
vertices = mesh.getWorldVertices();
triangles = mesh.getTriangles();
texture = mesh.getRegion().getTexture();
batch.draw(texture, vertices, 0, vertices.length, triangles, 0, triangles.length);
} else if (attachment instanceof SkeletonAttachment) {
Skeleton attachmentSkeleton = ((SkeletonAttachment)attachment).getSkeleton();
@ -117,6 +106,17 @@ public class SkeletonRenderer {
rootBone.setScaleY(oldScaleY);
rootBone.setRotation(oldRotation);
}
if (texture != null) {
if (slot.data.getAdditiveBlending() != additive) {
additive = !additive;
if (additive)
batch.setBlendFunction(srcFunc, GL20.GL_ONE);
else
batch.setBlendFunction(srcFunc, GL20.GL_ONE_MINUS_SRC_ALPHA);
}
batch.draw(texture, vertices, 0, vertices.length, triangles, 0, triangles.length);
}
}
}