ShopSquareChecker.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2023 The Gridarta Developers.
 *
 * 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; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package net.sf.gridarta.model.validation.checks;
 
import java.awt.Point;
import net.sf.gridarta.model.archetype.Archetype;
import net.sf.gridarta.model.gameobject.GameObject;
import net.sf.gridarta.model.maparchobject.MapArchObject;
import net.sf.gridarta.model.mapmodel.MapModel;
import net.sf.gridarta.model.match.GameObjectMatcher;
import net.sf.gridarta.model.validation.ErrorCollector;
import net.sf.gridarta.model.validation.ValidatorPreferences;
import net.sf.gridarta.model.validation.errors.ShopSquare2Error;
import net.sf.gridarta.model.validation.errors.ShopSquareError;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
 
public class ShopSquareChecker<G extends GameObject<G, A, R>, A extends MapArchObject<A>, R extends Archetype<G, A, R>> extends AbstractShopSquareChecker<G, A, R> {
 
    @NotNull
    private final GameObjectMatcher shopMatcher;
 
    @NotNull
    private final GameObjectMatcher noSpellsMatcher;
 
    @Nullable
    private final GameObjectMatcher blockedMatcher;
 
    public ShopSquareChecker(@NotNull final ValidatorPreferences validatorPreferences, @NotNull final GameObjectMatcher shopMatcher, @NotNull final GameObjectMatcher noSpellsMatcher, @Nullable final GameObjectMatcher blockedMatcher) {
        super(validatorPreferences);
        this.shopMatcher = shopMatcher;
        this.noSpellsMatcher = noSpellsMatcher;
        this.blockedMatcher = blockedMatcher;
    }
 
    @Override
    public void validateMap(@NotNull final MapModel<G, A, R> mapModel, @NotNull final ErrorCollector<G, A, R> errorCollector) {
        final boolean[][] shopSquares = findMatchingSquares(mapModel, shopMatcher);
        final boolean[][] noSpellsSquares = findMatchingSquares(mapModel, noSpellsMatcher);
        final boolean[][] blockedSquares = blockedMatcher == null ? null : findMatchingSquares(mapModel, blockedMatcher);
        final Point point = new Point();
        for (point.x = 0; point.x < shopSquares.length && point.x < noSpellsSquares.length; point.x++) {
            for (point.y = 0; point.y < shopSquares[point.x].length && point.y < noSpellsSquares[point.x].length; point.y++) {
                if (shopSquares[point.x][point.y]) {
                    if (!noSpellsSquares[point.x][point.y]) {
                        errorCollector.collect(new ShopSquareError<>(mapModel.getMapSquare(point)));
                    } else if (blockedSquares != null && hasAdjacentNonBlockedSpellsAllowedSquare(noSpellsSquares, blockedSquares, point)) {
                        errorCollector.collect(new ShopSquare2Error<>(mapModel.getMapSquare(point)));
                    }
                }
            }
        }
    }
 
    private static boolean hasAdjacentNonBlockedSpellsAllowedSquare(final boolean @NotNull [] @NotNull [] noSpellsSquares, final boolean @NotNull [] @NotNull [] blockedSquares, @NotNull final Point point) {
        if (blockedSquares[point.x][point.y]) {
            return false;
        }
 
        for (int dx = -1; dx <= +1; dx++) {
            for (int dy = -1; dy <= +1; dy++) {
                final int x = point.x + dx;
                final int y = point.y + dy;
                //noinspection ProhibitedExceptionCaught
                try {
                    if (!noSpellsSquares[x][y] && !blockedSquares[x][y]) {
                        return true;
                    }
                } catch (final ArrayIndexOutOfBoundsException ignored) {
                    // ignore: expected for points at the border of the map
                }
            }
        }
        return false;
    }
 
}