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[cocos2d-x] Fixed broken mesh indices when RegionAttachment alpha == 0. Closes #1708.

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This commit is contained in:
Harald Csaszar 2020-06-22 14:38:33 +02:00
parent 06bd6a90bd
commit 254baf4d75
1 changed files with 29 additions and 44 deletions
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59
spine-cocos2dx/src/spine/SkeletonRenderer.cpp
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@ -48,6 +48,7 @@ namespace spine {
bool cullRectangle(Renderer* renderer, const Mat4& transform, const cocos2d::Rect& rect);
Color4B ColorToColor4B(const Color& color);
bool slotIsOutRange(Slot& slot, int startSlotIndex, int endSlotIndex);
bool nothingToDraw(Slot& slot, int startSlotIndex, int endSlotIndex);
}
// C Variable length array
@ -301,18 +302,7 @@ namespace spine {
for (int i = 0, n = _skeleton->getSlots().size(); i < n; ++i) {
Slot* slot = _skeleton->getDrawOrder()[i];;
if (slotIsOutRange(*slot, _startSlotIndex, _endSlotIndex)) {
_clipper->clipEnd(*slot);
continue;
}
if (!slot->getAttachment()) {
_clipper->clipEnd(*slot);
continue;
}
// Early exit if slot is invisible
if (slot->getColor().a == 0 || !slot->getBone().isActive()) {
if (nothingToDraw(*slot, _startSlotIndex, _endSlotIndex)) {
_clipper->clipEnd(*slot);
continue;
}
@ -324,12 +314,6 @@ namespace spine {
RegionAttachment* attachment = static_cast<RegionAttachment*>(slot->getAttachment());
attachmentVertices = static_cast<AttachmentVertices*>(attachment->getRendererObject());
// Early exit if attachment is invisible
if (attachment->getColor().a == 0) {
_clipper->clipEnd(*slot);
continue;
}
float* dstTriangleVertices = nullptr;
int dstStride = 0; // in floats
if (hasSingleTint) {
@ -935,21 +919,28 @@ namespace spine {
return startSlotIndex > index || endSlotIndex < index;
}
bool nothingToDraw(Slot& slot, int startSlotIndex, int endSlotIndex) {
Attachment *attachment = slot.getAttachment();
if (!attachment ||
slotIsOutRange(slot, startSlotIndex, endSlotIndex) ||
!slot.getBone().isActive() ||
slot.getColor().a == 0)
return true;
if (attachment->getRTTI().isExactly(RegionAttachment::rtti)) {
if (static_cast<RegionAttachment*>(attachment)->getColor().a == 0)
return true;
}
return false;
}
int computeTotalCoordCount(Skeleton& skeleton, int startSlotIndex, int endSlotIndex) {
int coordCount = 0;
for (size_t i = 0; i < skeleton.getSlots().size(); ++i) {
Slot& slot = *skeleton.getSlots()[i];
if (nothingToDraw(slot, startSlotIndex, endSlotIndex)) {
continue;
}
Attachment* const attachment = slot.getAttachment();
if (!attachment) {
continue;
}
if (slotIsOutRange(slot, startSlotIndex, endSlotIndex)) {
continue;
}
// Early exit if slot is invisible
if (slot.getColor().a == 0) {
continue;
}
if (attachment->getRTTI().isExactly(RegionAttachment::rtti)) {
coordCount += 8;
}
@ -969,16 +960,10 @@ namespace spine {
#endif
for (size_t i = 0; i < skeleton.getSlots().size(); ++i) {
/*const*/ Slot& slot = *skeleton.getDrawOrder()[i]; // match the draw order of SkeletonRenderer::Draw
if (nothingToDraw(slot, startSlotIndex, endSlotIndex)) {
continue;
}
Attachment* const attachment = slot.getAttachment();
if (!attachment) {
continue;
}
if (slotIsOutRange(slot, startSlotIndex, endSlotIndex)) {
continue;
}
if (slot.getColor().a == 0) {
continue;
}
if (attachment->getRTTI().isExactly(RegionAttachment::rtti)) {
RegionAttachment* const regionAttachment = static_cast<RegionAttachment*>(attachment);
assert(dstPtr + 8 <= dstEnd);