CfMapAnimations.java

Go to the documentation of this file.

/*
 * This file is part of JXClient, the Fullscreen Java Crossfire Client.
 *
 * JXClient 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.
 *
 * JXClient 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 JXClient; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Copyright (C) 2005-2008 Yann Chachkoff.
 * Copyright (C) 2006-2011 Andreas Kirschbaum.
 */

package com.realtime.crossfire.jxclient.map;

import com.realtime.crossfire.jxclient.animations.Animation;
import com.realtime.crossfire.jxclient.protocol.Map2;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;
import java.util.WeakHashMap;
import org.jetbrains.annotations.NotNull;

public class CfMapAnimations {

    @NotNull
    private final Random random = new Random();

    private int width;

    private int height;

    @NotNull
    private final AnimationMap animations = new AnimationMap();

    @NotNull
    private final Map<AnimationState, Void> animationStates = new WeakHashMap<>();

    @NotNull
    private final Map<Integer, AnimationState> syncAnimationStates = new HashMap<>();

    @NotNull
    private final Collection<AnimationState> pendingTickUpdates = new ArrayList<>();

    public void clear() {
        animations.clear();
        animationStates.clear();
        syncAnimationStates.clear();
        pendingTickUpdates.clear();
    }

    public void add(@NotNull final MapUpdaterState mapUpdaterState, @NotNull final Location location, @NotNull final Animation animation, final int type) {
        assert 0 <= location.getX();
        assert 0 <= location.getY();
        assert 0 <= type && type < 4;

        final AnimationState animationState;
        final boolean addToPendingTickUpdates;
        switch (type) {
        default: // invalid; treated as "normal"
        case Map2.ANIM_NORMAL: // animation starts at index 0
            animationState = new AnimationState(animation, 0);
            addToPendingTickUpdates = true;
            break;

        case Map2.ANIM_RANDOM: // animation starts at random index
            animationState = new AnimationState(animation, random.nextInt(animation.getFaces()));
            addToPendingTickUpdates = true;
            break;

        case Map2.ANIM_SYNC: // animation is synchronized with other animations
            final int animationId = animation.getAnimationId();
            final AnimationState tmp = syncAnimationStates.get(animationId);
            if (tmp == null) {
                animationState = new AnimationState(animation, 0);
                syncAnimationStates.put(animationId, animationState);
                addToPendingTickUpdates = true;
            } else {
                animationState = tmp;
                addToPendingTickUpdates = false;
            }
            break;
        }

        animationStates.put(animationState, null);
        animations.add(mapUpdaterState, location, animationState);
        if (addToPendingTickUpdates) {
            pendingTickUpdates.add(animationState);
        }
    }

    public void remove(final int x, final int y) {
        for (int layer = 0; layer < Map2.NUM_LAYERS; layer++) {
            animations.remove(new Location(x, y, layer));
        }
    }

    public void remove(@NotNull final Location location) {
        animations.remove(location);
    }

    public void updateSpeed(@NotNull final MapUpdaterState mapUpdaterState, @NotNull final Location location, final int speed) {
        animations.updateSpeed(mapUpdaterState, location, speed);
    }

    public void scroll(final int dx, final int dy) {
        animations.scroll(dx, dy, width, height);
    }

    public void tick(@NotNull final MapUpdaterState mapUpdaterState, final int tickNo) {
        for (final AnimationState animationState : pendingTickUpdates) {
            animationState.setTickNo(tickNo);
        }
        pendingTickUpdates.clear();
        final Iterable<AnimationState> animationStatesToUpdate = new ArrayList<>(animationStates.keySet());
        synchronized (mapUpdaterState.mapBegin()) {
            for (final AnimationState animationState : animationStatesToUpdate) {
                animationState.updateTickNo(mapUpdaterState, tickNo);
            }
            mapUpdaterState.mapEnd(false);
        }
    }

    public void setMapSize(final int width, final int height) {
        this.width = width;
        this.height = height;
        clear();
    }

}