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ζeh Matt
2023-04-16 16:55:40 +03:00
parent a1c3f38469
commit cf64bba0b7
1 changed files with 8 additions and 0 deletions
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8
src/openrct2/paint/Paint.cpp
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@@ -320,6 +320,9 @@ static PaintStruct* PaintStructsFirstInQuadrant(PaintStruct* psNext, uint16_t qu
return ps;
}
// Initializes sorting flags for all entries in the specified quadrant by quadrantIndex.
// Sorting flags specify whether a node needs to be traversed, is a neighbour, or is outside the
// quadrant range.
static void PaintStructsInitializeSort(PaintStruct* ps, uint16_t quadrantIndex, uint8_t flag)
{
do
@@ -346,6 +349,9 @@ static void PaintStructsInitializeSort(PaintStruct* ps, uint16_t quadrantIndex,
} while (ps->QuadrantIndex <= quadrantIndex + 1);
}
// Returns a pair of parent and child where child is the next node that requires traversal.
// Because this structure uses a singly linked list we need to keep track of the parent in order
// to be able to re-order the list.
static std::pair<PaintStruct*, PaintStruct*> PaintStructsGetNextPending(PaintStruct* ps)
{
PaintStruct* ps_next;
@@ -372,6 +378,8 @@ static std::pair<PaintStruct*, PaintStruct*> PaintStructsGetNextPending(PaintStr
return { ps, ps_next };
}
// Re-orders all nodes after the specified child node and marks the child node as traversed. The resulting
// order of the children is the depth based on rotation and dimensions of the bounding box.
template<uint8_t TRotation> static void PaintStructsSortQuadrant(PaintStruct* parent, PaintStruct* child)
{
// Mark visited.