EntityPlayer entP = Minecraft.getMinecraft().thePlayer;

            float courtWidth = 5;
            float courtLength = 10;
            int orientation = 0;
            int teamACount = 5;
            int teamBCount = 4;

            Vec3 vec = Vec3.createVectorHelper(entP.posX, entP.posY, entP.posZ);
            Vec3 vecRel = Vec3.createVectorHelper(courtWidth/2, 0, 0);

            vecRel.rotateAroundY((float) Math.toRadians(orientation*90));
            Vec3 vecNet = Vec3.createVectorHelper(vec.xCoord+vecRel.xCoord, vec.yCoord+vecRel.yCoord, vec.zCoord+vecRel.zCoord);
            Overlays.renderLineFromToBlock(vecNet.xCoord, vecNet.yCoord, vecNet.zCoord, vecNet.xCoord, vecNet.yCoord+1, vecNet.zCoord, 0xFF0000);

            HashMap<Integer, List<Vec3>> positionOffsetsMap = new HashMap<Integer, List<Vec3>>();

            List team = new ArrayList<Vec3>();
            team.add(Vec3.createVectorHelper(0.5, 0, 0));
            positionOffsetsMap.put(1, team);

            team = new ArrayList<Vec3>();
            team.add(Vec3.createVectorHelper(0.75, 0, 0));
            team.add(Vec3.createVectorHelper(0.25, 0, 0));
            positionOffsetsMap.put(2, team);

            team = new ArrayList<Vec3>();
            team.add(Vec3.createVectorHelper(0.75, 0, 0));
            team.add(Vec3.createVectorHelper(0.25, 0, -0.5));
            team.add(Vec3.createVectorHelper(0.25, 0, 0.5));
            positionOffsetsMap.put(3, team);

            team = new ArrayList<Vec3>();
            team.add(Vec3.createVectorHelper(0.75, 0, -0.5));
            team.add(Vec3.createVectorHelper(0.75, 0, 0.5));
            team.add(Vec3.createVectorHelper(0.25, 0, -0.5));
            team.add(Vec3.createVectorHelper(0.25, 0, 0.5));
            positionOffsetsMap.put(4, team);

            team = new ArrayList<Vec3>();
            team.add(Vec3.createVectorHelper(0.75, 0, -0.5));
            team.add(Vec3.createVectorHelper(0.75, 0, 0.5));
            team.add(Vec3.createVectorHelper(0.25, 0, -0.67));
            team.add(Vec3.createVectorHelper(0.25, 0, 0));
            team.add(Vec3.createVectorHelper(0.25, 0, 0.67));
            positionOffsetsMap.put(5, team);

            team = new ArrayList<Vec3>();
            team.add(Vec3.createVectorHelper(0.75, 0, -0.67));
            team.add(Vec3.createVectorHelper(0.75, 0, 0));
            team.add(Vec3.createVectorHelper(0.75, 0, 0.67));
            team.add(Vec3.createVectorHelper(0.25, 0, -0.67));
            team.add(Vec3.createVectorHelper(0.25, 0, 0));
            team.add(Vec3.createVectorHelper(0.25, 0, 0.67));
            positionOffsetsMap.put(6, team);

            //side 1
            for (int i = 0; i < teamACount; i++) {
                Vec3 gridPos = positionOffsetsMap.get(teamACount).get(i);
                Vec3 vecRelPlayer1 = Vec3.createVectorHelper(gridPos.xCoord*courtLength/2, 0, gridPos.zCoord*courtWidth/2);
                vecRelPlayer1.rotateAroundY((float) Math.toRadians((orientation*90) + 90));

                Vec3 vecPl = Vec3.createVectorHelper(vecNet.xCoord+vecRelPlayer1.xCoord, vecNet.yCoord+vecRelPlayer1.yCoord, vecNet.zCoord+vecRelPlayer1.zCoord);
                Overlays.renderLineFromToBlock(vecPl.xCoord, vecPl.yCoord, vecPl.zCoord, vecPl.xCoord, vecPl.yCoord+1, vecPl.zCoord, 0xFFFFFF);
            }

            //side 2
            for (int i = 0; i < teamBCount; i++) {
                Vec3 gridPos = positionOffsetsMap.get(teamBCount).get(i);
                Vec3 vecRelPlayer1 = Vec3.createVectorHelper(gridPos.xCoord*courtLength/2, 0, gridPos.zCoord*courtWidth/2);
                vecRelPlayer1.rotateAroundY((float) Math.toRadians((orientation*90) - 90));

                Vec3 vecPl = Vec3.createVectorHelper(vecNet.xCoord+vecRelPlayer1.xCoord, vecNet.yCoord+vecRelPlayer1.yCoord, vecNet.zCoord+vecRelPlayer1.zCoord);
                Overlays.renderLineFromToBlock(vecPl.xCoord, vecPl.yCoord, vecPl.zCoord, vecPl.xCoord, vecPl.yCoord+1, vecPl.zCoord, 0xFFFFFF);
            }