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Classic point and click adventure game engine
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/*******************************************************************************
 * Copyright 2014 Rafael Garcia Moreno.
 *
 * 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.
 ******************************************************************************/
package com.bladecoder.engine.actions;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.math.Rectangle;
import com.badlogic.gdx.math.Vector2;
import com.bladecoder.engine.actions.Param.Type;
import com.bladecoder.engine.model.CharacterActor;
import com.bladecoder.engine.model.InteractiveActor;
import com.bladecoder.engine.model.Text;
import com.bladecoder.engine.model.TextManager;
import com.bladecoder.engine.model.VerbRunner;
import com.bladecoder.engine.model.World;

@ActionDescription("Says a text")
public class SayAction implements Action {
    @ActionPropertyDescription("The target actor.")
    @ActionProperty(type = Type.CHARACTER_ACTOR, required = true)
    private String actor;

    @ActionPropertyDescription("The 'text' to show.")
    @ActionProperty(type = Type.SMALL_TEXT)
    private String text;

    @ActionPropertyDescription("The 'voice' file to play if selected.")
    @ActionProperty(type = Type.VOICE)
    private String voiceId;

    @ActionProperty(required = true, defaultValue = "SUBTITLE")
    @ActionPropertyDescription("The type of the text.")
    private Text.Type type = Text.Type.SUBTITLE;

    @ActionPropertyDescription("The animation to set when talking.")
    @ActionProperty(required = false)
    private String animation;

    @ActionPropertyDescription("The style to use (an entry in your `ui.json` in the `com.bladecoder.engine.ui" +
            ".TextManagerUI$TextManagerUIStyle` section)")
    @ActionProperty(type = Type.TEXT_STYLE, required = false)
    private String style;

    @ActionProperty(defaultValue = "false")
    @ActionPropertyDescription("Queue the text if other text is showing, or show it immediately.")
    private boolean queue = false;

    @ActionProperty(required = true)
    @ActionPropertyDescription("If this param is 'false' the text is showed and the action continues inmediatly")
    private boolean wait = true;

    private World w;

    @Override
    public void init(World w) {
        this.w = w;
    }

    @Override
    public boolean run(VerbRunner cb) {
        float x = TextManager.POS_SUBTITLE, y = TextManager.POS_SUBTITLE;
        Color color = null;

        if (text == null) {
            // if text is null, we stop showing the current text if any
            while (w.getCurrentScene().getTextManager().getCurrentText() != null)
                w.getCurrentScene().getTextManager().next();
            return false;
        }

        InteractiveActor a = (InteractiveActor) w.getCurrentScene().getActor(actor, false);

        if (type == Text.Type.TALK && a != null) {
            Rectangle boundingRectangle = a.getBBox().getBoundingRectangle();

            x = boundingRectangle.getX() + boundingRectangle.getWidth() / 2;
            y = boundingRectangle.getY() + boundingRectangle.getHeight();

            color = ((CharacterActor) a).getTextColor();

            Vector2 talkingTextPos = ((CharacterActor) a).getTalkingTextPos();

            if (talkingTextPos != null) {
                x += talkingTextPos.x;
                y += talkingTextPos.y;
            }
        }

        w.getCurrentScene().getTextManager().addText(text, x, y, queue, type, color, style,
                a != null ? a.getId() : actor, voiceId, animation, wait ? cb : null);

        return wait;

    }
}