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// Copyright Hugh Perkins 2006, 2009
// hughperkins@gmail.com http://manageddreams.com
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along
// with this program in the file licence.txt; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-
// 1307 USA
// You can find the licence also on the web at:
// http://www.opensource.org/licenses/gpl-license.php
//
// ======================================================================================
//
package hughai.mapping;
import com.springrts.ai.*;
import com.springrts.ai.oo.clb.*;
import hughai.*;
import hughai.mapping.MovementMaps.MovementMapPos;
import hughai.unitdata.*;
import hughai.utils.*;
import hughai.basictypes.*;
// arguably reservations should go through this class, since this
// is essentially the controller and BuildMap is the model
public class BuildPlanner
{
public final int BuildMargin = 8;
CSAI csai;
OOAICallback aicallback;
LogFile logfile;
UnitDefHelp unitdefhelp;
Maps maps;
// BuildMap buildMap;
// MovementMaps movementMaps;
int mapwidth;
int mapheight;
public BuildPlanner(PlayerObjects playerObjects)
{
csai = playerObjects.getCSAI();
aicallback = csai.aicallback;
logfile = playerObjects.getLogFile();
unitdefhelp = playerObjects.getUnitDefHelp();
// buildMap = playerObjects.getBuildMap();
// movementMaps = playerObjects.getMovementMaps();
maps = playerObjects.getMaps();
mapwidth = aicallback.getMap().getWidth();
mapheight = aicallback.getMap().getHeight();
}
public TerrainPos ClosestBuildSite( UnitDef unitdef, TerrainPos approximatepos, int maxposradius, int mindistancemapunits )
{
// ok, so plan is we work our way out in a kindof spiral
// we start in centre, and increase radius, and work around in a square at each radius, until we find something
int centrex = (int)( approximatepos.x / 8 );
int centrey = (int)( approximatepos.z / 8 );
//int radius = 0;
int radius = mindistancemapunits;
int unitsizexwithmargin = unitdef.getXSize() + 2 * BuildMargin;
int unitsizeywithmargin = unitdef.getZSize() + 2 * BuildMargin;
if( unitdefhelp.IsFactory( unitdef ) )
{
unitsizeywithmargin += 8;
centrey += 4;
}
// while( radius < mapwidth || radius < mapheight ) // hopefully we never get quite this far...
while( radius < ( maxposradius / 8 ) )
{
// logfile.WriteLine( "ClosestBuildSite radius " + radius );
for( int deltax = -radius; deltax <= radius; deltax++ )
{
for( int deltay = -radius; deltay <= radius; deltay++ )
{
if( deltax == radius || deltax == -radius || deltay == radius || deltay == -radius ) // ignore the hollow centre of square
{
// logfile.WriteLine( "delta " + deltax + " " + deltay );
boolean positionok = true;
// go through each square in proposed site, check not build on
for( int buildmapy = centrey - unitsizeywithmargin / 2; positionok && buildmapy < centrey + unitsizeywithmargin / 2; buildmapy++ )
{
//String logline = "";
for( int buildmapx = centrex - unitsizexwithmargin / 2; positionok && buildmapx < centrex + unitsizexwithmargin / 2; buildmapx++ )
{
// int thisx = buildmapx + deltax;
// int thisy = buildmapy + deltay;
BuildMap.BuildMapPos buildMapPos = new BuildMap.BuildMapPos( buildmapx + deltax, buildmapy + deltay );
HeightMap.HeightMapPos heightMapPos = buildMapPos.toHeightMapPos();
MovementMapPos movementMapPos = MovementMapPos.fromHeightMapPos( heightMapPos );
if( !buildMapPos.validate()
|| !maps.getBuildMap().isSquareAvailable( buildMapPos )
|| !maps.getMovementMaps().vehicleCanMoveOk( movementMapPos ) )
// thisx < 0 || thisy < 0 || thisx >= mapwidth || thisy >= mapwidth ||
// !maps.getBuildMap().isSquareAvailable[ thisx][thisy ] ||
// !maps.getMovementMaps().vehiclemap[ thisx / 2][ thisy / 2 ] )
{
//logfile.WriteLine( "check square " + buildmapx + " " + buildmapy + " NOK" );
positionok = false;
// logline += "*";
}
else
{
// logline += "-";
}
//logfile.WriteLine( "check square " + buildmapx + " " + buildmapy + "Ok" );
}
// logfile.WriteLine( logline );
}
// logfile.WriteLine("");
if( positionok )
{
return new TerrainPos( ( centrex + deltax ) * 8, 0, ( centrey + deltay ) * 8 );
}
}
}
}
radius++;
}
return null;
}
}
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