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Fix a hole cutting bug

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This commit is contained in:
James Lambert 2022-07-03 13:06:47 -06:00
parent 9c189355b5
commit c7a5497512
1 changed files with 17 additions and 9 deletions
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14
src/scene/portal_surface_generator.c
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@ -421,10 +421,15 @@ int portalSurfaceSplitEdge(struct PortalSurfaceBuilder* surfaceBuilder, struct S
struct SurfaceEdgeWithSide nextEdge;
struct SurfaceEdgeWithSide prevReverseEdge;
int hasReverseEdge = existingEdge->nextEdgeReverse != NO_EDGE_CONNECTION;
portalSurfaceNextEdge(surfaceBuilder, edge, &nextEdge);
if (hasReverseEdge) {
prevReverseEdge = *edge;
prevReverseEdge.isReverse = !prevReverseEdge.isReverse;
portalSurfacePrevEdge(surfaceBuilder, &prevReverseEdge, &prevReverseEdge);
}
int newEdgeIndex = portalSurfaceNewEdge(surfaceBuilder, 0, &surfaceBuilder->originalEdgeIndex[edge->edgeIndex]);
@ -441,21 +446,24 @@ int portalSurfaceSplitEdge(struct PortalSurfaceBuilder* surfaceBuilder, struct S
SB_SET_NEXT_EDGE(newEdge, edge->isReverse, SB_GET_NEXT_EDGE(existingEdge, edge->isReverse));
SB_SET_PREV_EDGE(newEdge, edge->isReverse, edge->edgeIndex);
SB_SET_NEXT_EDGE(newEdge, !edge->isReverse, edge->edgeIndex);
SB_SET_PREV_EDGE(newEdge, !edge->isReverse, SB_GET_PREV_EDGE(existingEdge, !edge->isReverse));
SB_SET_NEXT_EDGE(newEdge, !edge->isReverse, hasReverseEdge ? edge->edgeIndex : NO_EDGE_CONNECTION);
SB_SET_PREV_EDGE(newEdge, !edge->isReverse, hasReverseEdge ? SB_GET_PREV_EDGE(existingEdge, !edge->isReverse) : NO_EDGE_CONNECTION);
SB_SET_NEXT_POINT(existingEdge, edge->isReverse, newVertexIndex);
SB_SET_NEXT_EDGE(existingEdge, edge->isReverse, newEdgeIndex);
if (hasReverseEdge) {
SB_SET_PREV_EDGE(existingEdge, !edge->isReverse, newEdgeIndex);
}
struct SurfaceEdge* nextEdgePtr = portalSurfaceGetEdge(surfaceBuilder, nextEdge.edgeIndex);
SB_SET_PREV_EDGE(nextEdgePtr, nextEdge.isReverse, newEdgeIndex);
if (hasReverseEdge) {
struct SurfaceEdge* prevEdgePtr = portalSurfaceGetEdge(surfaceBuilder, prevReverseEdge.edgeIndex);
SB_SET_NEXT_EDGE(prevEdgePtr, prevReverseEdge.isReverse, newEdgeIndex);
}
#if VERIFY_INTEGRITY
if (!portalSurfaceIsWellFormed(surfaceBuilder)) {