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3D rendering engine. Plus modeling. Expected glsl textures 3d and 2d rendering
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/*
 * Copyright (c) 2023. Manuel Daniel Dahmen
 *
 *
 *    Copyright 2012-2023 Manuel Daniel Dahmen
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

/*

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 */
package one.empty3.library.core.script;

import one.empty3.library.Point3D;
import one.empty3.library.core.nurbs.BSpline;

import java.util.ArrayList;

public class InterpreteBSpline implements Interprete {

    private String repertoire;
    private int pos = 0;
    private int numPoints = 0;

    public InterpreteConstants constant() {
        // TODO Auto-generated method stub
        return null;
    }

    public int getPosition() {
        return pos;
    }

    public Object interprete(String text, int pos) throws InterpreteException {
        BSpline b = new BSpline();

        InterpretesBase ib = new InterpretesBase();
        ArrayList pattern;
        pattern = new ArrayList();
        pattern.add(ib.BLANK);
        pattern.add(ib.LEFTPARENTHESIS);
        pattern.add(ib.BLANK);
        ib.compile(pattern);
        ib.read(text, pos);
        pos = ib.getPosition();


        ArrayList T = new ArrayList<>();
        boolean ok = true;
        while (ok) {
            InterpretePoint3D ifa = new InterpretePoint3D();
            try {
                Point3D p = (Point3D) ifa.interprete(text, pos);
                pos = ifa.getPosition();

               b.add(p);
                if(ifa.getPosition() > pos) {
                    pos = ifa.getPosition();
                    numPoints++;
                }
            } catch (Exception ex) {
                ok = false;
            }
        }
        pattern = new ArrayList();
        pattern.add(ib.BLANK);
        pattern.add(ib.RIGHTPARENTHESIS);
        pattern.add(ib.BLANK);
        pattern.add(ib.LEFTPARENTHESIS);
        pattern.add(ib.BLANK);
        ib.compile(pattern);
        ib.read(text, pos);
        pos = ib.getPosition();


        ok = true;
        while (ok) {
            try {
            InterpreteDouble ida = new InterpreteDouble();
            Double d = (Double) ida.interprete(text, pos);
            pos = ida.getPosition();
            b.getT().add(1, d);
        } catch (Exception ex) {
            ok = false;
        }
        }


        pattern = new ArrayList();
        pattern.add(ib.BLANK);
        pattern.add(ib.RIGHTPARENTHESIS);
        pattern.add(ib.BLANK);
        pattern.add(ib.RIGHTPARENTHESIS);
        pattern.add(ib.BLANK);
        ib.compile(pattern);
        ib.read(text, pos);
        this.pos = ib.getPosition();
        return b;
    }

    public void setConstant(InterpreteConstants c) {
        // TODO Auto-generated method stub

    }

    public void setRepertoire(String r) {
        this.repertoire = r;
    }
}