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-rw-r--r--src/core/World.cpp55
1 files changed, 55 insertions, 0 deletions
diff --git a/src/core/World.cpp b/src/core/World.cpp
index 8c69d846..ef124c07 100644
--- a/src/core/World.cpp
+++ b/src/core/World.cpp
@@ -2240,3 +2240,58 @@ CWorld::UseDetonator(CEntity *pEntity)
}
CProjectileInfo::RemoveDetonatorProjectiles();
}
+
+bool
+CWorld::IsWanderPathClear(CVector const& point1, CVector const& point2, float distance, int maxSteps)
+{
+ if (Abs(point1.z - point2.z) > distance)
+ return false;
+ if (!GetIsLineOfSightClear(point1, point2, true, false, false, false, false, false, false))
+ return false;
+ CVector vecBetween = point2 - point1;
+ uint32 nSteps = Max(vecBetween.Magnitude(), maxSteps);
+ if (nSteps == 0)
+ return true;
+ vecBetween.Normalise();
+ uint32 step = 1;
+ for (step = 1; step < nSteps; step++) {
+ CVector posThisStep = point1 + vecBetween * step;
+ float level;
+ if (!CWaterLevel::GetWaterLevel(posThisStep, &level, false))
+ continue;
+ posThisStep.z = level;
+ AdvanceCurrentScanCode();
+
+ CVector vecCheckedPos(posThisStep.x, posThisStep.y, Max(point1.z, point2.z));
+ CColPoint colpoint;
+ CEntity* entity;
+ if (!ProcessVerticalLineSector(*GetSector(GetSectorIndexX(posThisStep.x), GetSectorIndexY(posThisStep.y)),
+ CColLine(posThisStep, vecCheckedPos), colpoint, entity, true, false, false, false, false, false, nil))
+ return false;
+ }
+
+ CVector posThisStep = point1;
+ AdvanceCurrentScanCode();
+ CVector vecCheckedPos(posThisStep.x, posThisStep.y, point1.z - 5.0f);
+
+ CColPoint colpoint;
+ CEntity* entity;
+ if (!ProcessVerticalLineSector(*GetSector(GetSectorIndexX(posThisStep.x), GetSectorIndexY(posThisStep.y)),
+ CColLine(posThisStep, vecCheckedPos), colpoint, entity, true, false, false, false, false, false, nil))
+ return false;
+
+ float heightNextStep = colpoint.point.z + 0.5f;
+ for (step = 1; step < nSteps; step++) {
+ CVector posThisStep = point1 + vecBetween * step;
+ posThisStep.z = heightNextStep;
+ AdvanceCurrentScanCode();
+ CVector vecCheckedPos(posThisStep.x, posThisStep.y, heightNextStep - 2.0f);
+ if (!ProcessVerticalLineSector(*GetSector(GetSectorIndexX(posThisStep.x), GetSectorIndexY(posThisStep.y)),
+ CColLine(posThisStep, vecCheckedPos), colpoint, entity, true, false, false, false, false, false, nil))
+ return false;
+ if (Abs(colpoint.point.z - heightNextStep) > 1.0f)
+ return false;
+ heightNextStep = colpoint.point.z + 0.5f;
+ }
+ return true;
+}