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path: root/indra/newview/llviewerparceloverlay.cpp
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Diffstat (limited to 'indra/newview/llviewerparceloverlay.cpp')
-rw-r--r--indra/newview/llviewerparceloverlay.cpp86
1 files changed, 86 insertions, 0 deletions
diff --git a/indra/newview/llviewerparceloverlay.cpp b/indra/newview/llviewerparceloverlay.cpp
index 26765bdd01..e619b89f9b 100644
--- a/indra/newview/llviewerparceloverlay.cpp
+++ b/indra/newview/llviewerparceloverlay.cpp
@@ -173,6 +173,92 @@ bool LLViewerParcelOverlay::encroachesOwned(const std::vector<LLBBox>& boxes) co
}
return false;
}
+bool LLViewerParcelOverlay::encroachesOnUnowned(const std::vector<LLBBox>& boxes) const
+{
+ // boxes are expected to already be axis aligned
+ for (U32 i = 0; i < boxes.size(); ++i)
+ {
+ LLVector3 min = boxes[i].getMinAgent();
+ LLVector3 max = boxes[i].getMaxAgent();
+
+ S32 left = S32(llclamp((min.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
+ S32 right = S32(llclamp((max.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
+ S32 top = S32(llclamp((min.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
+ S32 bottom = S32(llclamp((max.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
+
+ for (S32 row = top; row <= bottom; row++)
+ {
+ for (S32 column = left; column <= right; column++)
+ {
+ U8 type = ownership(row, column);
+ if ((PARCEL_SELF != type))
+ {
+ return true;
+ }
+ }
+ }
+ }
+ return false;
+}
+
+bool LLViewerParcelOverlay::encroachesOnNearbyParcel(const std::vector<LLBBox>& boxes) const
+{
+ // boxes are expected to already be axis aligned
+ for (U32 i = 0; i < boxes.size(); ++i)
+ {
+ LLVector3 min = boxes[i].getMinAgent();
+ LLVector3 max = boxes[i].getMaxAgent();
+
+ // If an object crosses region borders it crosses a parcel
+ if ( min.mV[VX] < 0
+ || min.mV[VY] < 0
+ || max.mV[VX] > REGION_WIDTH_METERS
+ || max.mV[VY] > REGION_WIDTH_METERS)
+ {
+ return true;
+ }
+
+ S32 left = S32(llclamp((min.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
+ S32 right = S32(llclamp((max.mV[VX] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
+ S32 bottom = S32(llclamp((min.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
+ S32 top = S32(llclamp((max.mV[VY] / PARCEL_GRID_STEP_METERS), 0.f, REGION_WIDTH_METERS - 1));
+
+ const S32 GRIDS_PER_EDGE = mParcelGridsPerEdge;
+
+ for (S32 row = bottom; row <= top; row++)
+ {
+ for (S32 col = left; col <= right; col++)
+ {
+ // This is not the rightmost column
+ if (col < GRIDS_PER_EDGE-1)
+ {
+ U8 east_overlay = mOwnership[row*GRIDS_PER_EDGE+col+1];
+ // If the column to the east of the current one marks
+ // the other parcel's west edge and the box extends
+ // to the west it crosses the parcel border.
+ if ((east_overlay & PARCEL_WEST_LINE) && col < right)
+ {
+ return true;
+ }
+ }
+
+ // This is not the topmost column
+ if (row < GRIDS_PER_EDGE-1)
+ {
+ U8 north_overlay = mOwnership[(row+1)*GRIDS_PER_EDGE+col];
+ // If the row to the north of the current one marks
+ // the other parcel's south edge and the box extends
+ // to the south it crosses the parcel border.
+ if ((north_overlay & PARCEL_SOUTH_LINE) && row < top)
+ {
+ return true;
+ }
+ }
+ }
+ }
+ }
+ return false;
+}
BOOL LLViewerParcelOverlay::isSoundLocal(const LLVector3& pos) const
{