Initial

engine/SPACIAL.CPP

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+#include <engine/spacial.hpp>
+#include <common/array.hpp>
+
+SpacialTransform::~SpacialTransform()
+{
+}
+
+BOOL SpacialTransform::transform(Array<int> &srcVector,Array<int> &dstVector,WORD sizeFactor)
+{
+	int inverseFactor((100.00/(float)sizeFactor)*100.00);
+	int outSegment(inverseFactor);
+  int inSegment(100);
+	int nextDestIndex(0);
+	int accumulator(0);
+
+	mNextInputIndex=-1;
+	dstVector.size((srcVector.size()*sizeFactor)/100.00);
+	if(!nextInput(srcVector))return FALSE;
+	while(TRUE)
+	{
+	  if(outSegment<=inSegment)
+		{
+		  accumulator+=((inSegment*mCurrentValue)+((100-inSegment)*mNextValue))*outSegment;
+			inSegment-=outSegment;
+			outSegment=inverseFactor;
+			accumulator*=(float)sizeFactor*.000001;
+			if(nextDestIndex>=dstVector.size())break;
+			dstVector[nextDestIndex++]=accumulator;
+			accumulator=0;
+		}
+		else
+		{
+		  accumulator+=((inSegment*mCurrentValue)+((100-inSegment)*mNextValue))*inSegment;
+			outSegment-=inSegment;
+			inSegment=100;
+			if(!nextInput(srcVector))break;
+		}
+	}
+	return false;
+}
+
+BOOL SpacialTransform::nextInput(Array<int> &srcVector)
+{
+  if(++mNextInputIndex>=srcVector.size())return FALSE;
+	mCurrentValue=srcVector[mNextInputIndex];
+	if(mNextInputIndex+1>=srcVector.size())mNextValue=mCurrentValue;
+	else mNextValue=srcVector[mNextInputIndex+1];
+	return TRUE;
+}