Introduce fuzzy iterating when finding chains; Found another bug when detecting chain collisions
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package com.aaaaahhhhhhh.bananapuncher714.minietest;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import org.bukkit.util.Vector;
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import com.aaaaahhhhhhh.bananapuncher714.mesh.Mesh;
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import com.aaaaahhhhhhh.bananapuncher714.mesh.Point;
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import com.aaaaahhhhhhh.bananapuncher714.mesh.Polygon;
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import com.aaaaahhhhhhh.bananapuncher714.mesh.region.simple.RegionRuleWinding;
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import com.aaaaahhhhhhh.bananapuncher714.mesh.region.simple.RegionSimple;
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import com.aaaaahhhhhhh.bananapuncher714.mesh.region.simple.RegionSimple.GluWindingRule;
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import com.aaaaahhhhhhh.bananapuncher714.minietest.MeshingTest2.AABB;
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import com.aaaaahhhhhhh.bananapuncher714.minietest.objects.ChunkLocation;
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import com.aaaaahhhhhhh.bananapuncher714.minietest.objects.mesh.Facet;
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import com.aaaaahhhhhhh.bananapuncher714.minietest.objects.mesh.MeshBuilder;
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import com.aaaaahhhhhhh.bananapuncher714.minietest.objects.mesh.Plane;
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public class MeshingTest3 {
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private static final File BASE = new File( System.getProperty( "user.dir" ) );
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private static final File CHUNK_DIR = new File( BASE, "chunks" );
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public static void main( String[] args ) {
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if ( CHUNK_DIR.exists() && CHUNK_DIR.isDirectory() ) {
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System.out.println( "Found " + CHUNK_DIR.list().length + " files" );
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// for ( int i = 0; i < CHUNK_DIR.listFiles().length; ++i ) {
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// final File file = CHUNK_DIR.listFiles()[ i ];
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// System.out.println( "Meshing " + file + "\t" + ( i + 1 ) + "/" + CHUNK_DIR.listFiles().length );
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// final List< Plane > planes = mesh( file );
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// planes.parallelStream().forEach( p -> {
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// try {
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// process( p );
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// } catch ( IllegalStateException e ) {
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// e.printStackTrace();
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//
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// semiProcess( p );
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//
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// System.exit( 1 );
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// }
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// } );
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// }
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final List< Plane > planes = mesh( new File( CHUNK_DIR, "world,-2,1" ) );
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// for ( int i = 0; i < planes.size(); ++i ) {
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// System.out.println( "Meshing plane " + i );
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// process( planes.get( i ) );
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// }
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process( planes.get( 218 ) );
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} else {
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System.err.println( "No such directory exists: " + CHUNK_DIR );
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}
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}
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private static void process( final Plane plane ) {
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if ( plane != null ) {
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Mesh< RegionSimple > mesh = new Mesh< RegionSimple >( () -> { return new RegionSimple( GluWindingRule.ODD ); } );
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for ( Polygon poly : plane.polygons ) {
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mesh.addPolygon( poly, RegionRuleWinding.CLOCKWISE );
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}
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mesh.meshify();
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} else {
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System.out.println( "No data!" );
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}
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}
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private static void semiProcess( final Plane plane ) {
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}
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private static List< Plane > mesh( File file ) {
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String name = file.getName();
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String[] split = name.split( "," );
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ChunkLocation location = new ChunkLocation( split[ 0 ], Integer.parseInt( split[ 1 ] ), Integer.parseInt( split[ 2 ] ) );
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System.out.println( "Parsing chunk " + location );
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// First parse the file to get a list of all bounding boxes that we can use
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List< AABB > boxes = new ArrayList< AABB >();
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try ( BufferedReader reader = new BufferedReader( new FileReader( file ) ) ) {
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String line;
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while ( ( line = reader.readLine() ) != null ) {
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if ( !line.isEmpty() ) {
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String[] values = line.split( "," );
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double minX = Double.parseDouble( values[ 0 ] );
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double minY = Double.parseDouble( values[ 1 ] );
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double minZ = Double.parseDouble( values[ 2 ] );
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double maxX = Double.parseDouble( values[ 3 ] );
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double maxY = Double.parseDouble( values[ 4 ] );
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double maxZ = Double.parseDouble( values[ 5 ] );
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boxes.add( new AABB( minX, minY, minZ, maxX, maxY, maxZ ) );
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}
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}
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} catch ( FileNotFoundException e ) {
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e.printStackTrace();
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return null;
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} catch ( IOException e ) {
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e.printStackTrace();
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return null;
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}
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System.out.println( "Found " + boxes.size() + " boxes" );
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// Now that we have a bunch of bounding boxes, do whatever
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MeshBuilder builder = new MeshBuilder();
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for ( AABB box : boxes ) {
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for ( Facet facet : generateFacetsFor( box ) ) {
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builder.addFacet( facet );
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}
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}
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return builder.planes;
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}
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private static List< Facet > generateFacetsFor( AABB box ) {
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List< Facet > facets = new ArrayList< Facet >();
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Vector p1 = new Vector( box.xmin, box.ymin, box.zmin );
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Vector p2 = new Vector( box.xmin, box.ymin, box.zmax );
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Vector p3 = new Vector( box.xmin, box.ymax, box.zmin );
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Vector p4 = new Vector( box.xmin, box.ymax, box.zmax );
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Vector p5 = new Vector( box.xmax, box.ymin, box.zmin );
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Vector p6 = new Vector( box.xmax, box.ymin, box.zmax );
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Vector p7 = new Vector( box.xmax, box.ymax, box.zmin );
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Vector p8 = new Vector( box.xmax, box.ymax, box.zmax );
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{
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Facet facet = new Facet();
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facet.points.add( p1 );
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facet.points.add( p2 );
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facet.points.add( p4 );
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facet.points.add( p3 );
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facet.normal = new Vector( -1, 0, 0 );
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facets.add( facet );
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}
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{
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Facet facet = new Facet();
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facet.points.add( p5 );
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facet.points.add( p6 );
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facet.points.add( p8 );
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facet.points.add( p7 );
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facet.normal = new Vector( 1, 0, 0 );
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facets.add( facet );
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}
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{
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Facet facet = new Facet();
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facet.points.add( p1 );
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facet.points.add( p2 );
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facet.points.add( p6 );
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facet.points.add( p5 );
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facet.normal = new Vector( 0, -1, 0 );
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facets.add( facet );
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}
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{
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Facet facet = new Facet();
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facet.points.add( p3 );
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facet.points.add( p4 );
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facet.points.add( p8 );
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facet.points.add( p7 );
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facet.normal = new Vector( 0, 1, 0 );
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facets.add( facet );
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}
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{
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Facet facet = new Facet();
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facet.points.add( p1 );
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facet.points.add( p3 );
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facet.points.add( p7 );
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facet.points.add( p5 );
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facet.normal = new Vector( 0, 0, -1 );
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facets.add( facet );
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}
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{
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Facet facet = new Facet();
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facet.points.add( p2 );
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facet.points.add( p4 );
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facet.points.add( p8 );
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facet.points.add( p6 );
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facet.normal = new Vector( 0, 0, 1 );
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facets.add( facet );
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}
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return facets;
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}
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}
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