public static List <PTwo> PointsInsideBorderOfQuad(Quad area, int inset)
{
List <PTwo> result = new List <PTwo>();
SimpleRange sRange = area.sSimpleRange();
SimpleRange tRange = area.tSimpleRange();
if (inset > sRange.range / 2 || inset > tRange.range / 2)
{
return(result);
}
int outerNudge = inset + 1;
int start = sRange.start + inset;
int otherDim = tRange.start + inset;
int otherDimOuter = tRange.extent() - outerNudge;
for (int i = start; i < sRange.extent() - outerNudge; ++i)
{
result.Add(new PTwo(i, otherDim));
result.Add(new PTwo(i, otherDimOuter));
}
start = tRange.start + inset + 1;
otherDim = sRange.start + inset;
otherDimOuter = sRange.extent() - outerNudge;
for (int i = start; i < tRange.extent() - outerNudge - 1; ++i)
{
result.Add(new PTwo(otherDim, i));
result.Add(new PTwo(otherDimOuter, i));
}
return(result);
}
public SimpleRange considerLightValuesFromOther(LightLevelTrapezoid other, bool subtract, SimpleRange withinRange, float influenceFactor)
{
int minInfluenceIndex = 258;
int maxInfluenceIndex = 0;
if (!SimpleRange.RangesIntersect(trapezoid.span, withinRange))
{
return(new SimpleRange(0, 0));
}
byte influenceFromOther = (byte)(Window.LIGHT_LEVEL_MAX * influenceFactor - Window.UNIT_FALL_OFF_BYTE);
withinRange = SimpleRange.IntersectingRange(withinRange, new SimpleRange(0, NoisePatch.patchDimensions.z)); // safer...
if (withinRange.isErsatzNull())
{
return(new SimpleRange(0, 0));
}
for (int i = withinRange.start; i < withinRange.extent(); ++i)
{
byte myCurrentLightLevel = zLightLevels[i];
byte othersLightLevel = other.zLightLevels[i];
// if (myCurrentLightLevel == Window.LIGHT_LEVEL_MAX_BYTE)
// continue;
byte influenceAmount = 0;
if (myCurrentLightLevel <= influenceFromOther)
{
// if (subtract) {
// } else {
influenceAmount = (byte)(other.zLightLevels[i] - Window.UNIT_FALL_OFF_BYTE);
// }
}
else
{
//cheap0
influenceAmount = (byte)(myCurrentLightLevel + (influenceFromOther / 2f * (subtract? -1 : 1)));
}
zLightLevels[i] = (byte)Mathf.Clamp(influenceAmount, 0, (int)Window.LIGHT_LEVEL_MAX_BYTE);
minInfluenceIndex = Mathf.Min(minInfluenceIndex, i);
maxInfluenceIndex = Mathf.Max(maxInfluenceIndex, i + 1);
}
if (maxInfluenceIndex == 0)
{
return(new SimpleRange(0, 0));
}
return(SimpleRange.SimpleRangeWithStartAndExtent(minInfluenceIndex, maxInfluenceIndex));
}
private static bool RangeAboveSurface(SimpleRange range, SurroundingSurfaceValues ssvs)
{
foreach (Direction dir in DirectionUtil.TheDirectionsXZ())
{
int height = ssvs.valueForDirection(dir);
if (height < range.extent())
{
return(true);
}
}
return(false);
}
private void updateColumnsWithHigherHighestSurface(List <Range1D> heightRanges, Coord pRelCoord, SurroundingSurfaceValues ssvs, bool shouldPropagateLight)
{
b.bug("update w higher highest surf");
int x = pRelCoord.x, y = pRelCoord.y, z = pRelCoord.z;
SimpleRange justCoveredColumn = new SimpleRange(y, 1);
Range1D highest = heightRanges[heightRanges.Count - 1];
LightColumn newlico = null;
int lowestSurroundingSurface = ssvs.lowestValue();
if (highest.range == 1)
{
AssertUtil.Assert(heightRanges.Count > 1, "what we just 'covered' bedrock?");
Range1D secondHighest = heightRanges[heightRanges.Count - 2];
justCoveredColumn = new SimpleRange(secondHighest.extent(), y + 1 - secondHighest.extent()); //(extent - start)
//new column
SimpleRange newColRange = justCoveredColumn;
newColRange.range--;
newlico = new LightColumn(PTwo.PTwoXZFromCoord(pRelCoord), 0, newColRange);
m_lightColumnMap.addColumnAt(newlico, x, z);
if (newColRange.extent() > lowestSurroundingSurface)
{
newlico.lightLevel = Window.LIGHT_LEVEL_MAX_BYTE;
surfaceExposedColumns.Add(newlico);
}
}
List <LightColumn> adjColsFlushToJustCovered = m_lightColumnMap.lightColumnsAdjacentToAndFlushWithSimpleRangeAndPoint(justCoveredColumn, new PTwo(x, z));
foreach (LightColumn adjcol in adjColsFlushToJustCovered)
{
//adj cols could still be above
if (adjcol.extent() <= y)
{
//get surrounding surface for these?
SurroundingSurfaceValues assvs = m_noisePatch.surfaceValuesSurrounding(adjcol.coord);
if (adjcol.extent() <= assvs.lowestValue())
{
surfaceExposedColumns.Remove(adjcol);
adjcol.lightLevel = 0;
// put back?
}
}
}
resetAndUpdateColumnsWithin(LightDomainAround(x, z));
}
public static List <NoiseCoord> NoiseCoordsWithingQuad(Quad area)
{
SimpleRange sRange = area.sSimpleRange();
SimpleRange tRange = area.tSimpleRange();
List <NoiseCoord> result = new List <NoiseCoord>();
for (int i = sRange.start; i < sRange.extent(); ++i)
{
for (int j = tRange.start; j < tRange.extent(); ++j)
{
result.Add(new NoiseCoord(i, j));
}
}
return(result);
}
// public void addDiscontinuityRangeBeyondEndAtZExtent(SimpleRange newDisRange, int newZExtent)
public void incorporateStartFlushWithExtentOther(LightLevelTrapezoid other)
{
AssertUtil.Assert(this.trapezoid.span.extent() == other.trapezoid.span.start,
"adding ranges from other but not getting other.start == this.extent: " +
"other start: " + other.trapezoid.span.start + "\nthis extent: " + this.trapezoid.span.extent());
SimpleRange otherSpan = other.trapezoid.span;
int newZExtent = otherSpan.extent();
copyHeightAndLightFromOther(other);
// this.zHeightRanges[newZExtent] = newDisRange;
this.trapezoid.endRange = other.trapezoid.endRange; // CONSIDER: whether we need trapezoid end height dims at all at this point // SimpleRange.Average(this.trapezoid.endRange, newDisRange);
this.trapezoid.span.range = newZExtent - this.trapezoid.span.start;
assertSpanDebug("adding ranges from other");
}
public int shortestDifferenceWith(int y, int z)
{
// slightly cheapo
SimpleRange compareRange = this.lightLevelTrapezoid.heightAt(z); // this.startRange;
// if (z > this.spanStart + this.spanRange/2)
// compareRange = this.endRange;
if (compareRange.contains(y))
{
return(0);
}
if (y > compareRange.start) // y is above entire range
{
return(compareRange.extent() - y);
}
return(compareRange.start - y);
}
private void resetLightColumnsWithin(Quad area)
{
SimpleRange srange = area.sSimpleRange();
SimpleRange trange = area.tSimpleRange();
ChunkManager.debugLinesAssistant.clearColumns(); //DBG
for (int i = srange.start; i < srange.extent(); ++i)
{
for (int j = trange.start; j < trange.extent(); ++j)
{
DiscreteDomainRangeList <LightColumn> lilcoms = m_lightColumnMap[i, j];
if (lilcoms == null)
{
continue;
}
for (int k = 0; k < lilcoms.Count; ++k)
{
lilcoms[k].resetLightLevel(); //WANT
}
}
}
}
