Spring RTS Engine

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	//the following functions allows the dll to use the built in pathfinder
	//call InitPath and you get a pathid back
	//use this to call GetNextWaypoint to get subsequent waypoints, the waypoints are centered on 8*8 squares
	//note that the pathfinder calculates the waypoints as needed so dont retrieve them until they are needed
	//the waypoints x and z coordinate is returned in x and z while y is used for error codes
	//>=0 =worked ok,-2=still thinking call again,-1= end of path reached or invalid path
	virtual int InitPath(float3 start,float3 end,int pathType) = 0;
	virtual float3 GetNextWaypoint(int pathid) = 0;
	virtual void FreePath(int pathid) = 0;

	//This function returns the approximate path cost between two points(note that it needs to calculate the complete path so its somewhat expansive)
	virtual float GetPathLength(float3 start,float3 end,int pathType)=0;

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float CAICallback::GetPathLength(float3 start,float3 end,int pathType)
{
//	return pathfinder->GetPathLength(start,end,pathType);
	return 0;
}

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	for(int i = 0; i < totalcells; i++)	{
		float maxslope = 0;
		float tempslope;
		if(i+1 < totalcells && (i + 1) % PathMapXSize){	
			tempslope = abs(HeightMap[i] - HeightMap[i+1]);
			if(tempslope > maxslope)
				maxslope = tempslope;
		}
		if(i - 1 >= 0 && i % PathMapXSize){
			tempslope = abs(HeightMap[i] - HeightMap[i-1]);
			if(tempslope > maxslope)
				maxslope = tempslope;
		}
		if(i+PathMapXSize < totalcells){
			tempslope = abs(HeightMap[i] - HeightMap[i+PathMapXSize]);
			if(tempslope > maxslope)
				maxslope = tempslope;
		}
		if(i-PathMapXSize >= 0){
			tempslope = abs(HeightMap[i] - HeightMap[i-PathMapXSize]);
			if(tempslope > maxslope)
				maxslope = tempslope;
		}

}