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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.model;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.utils.Json;
import com.badlogic.gdx.utils.Json.Serializable;
import com.badlogic.gdx.utils.JsonValue;
import com.bladecoder.engine.actions.ActionCallback;
import com.bladecoder.engine.serialization.ActionCallbackSerializer;
import com.bladecoder.engine.serialization.BladeJson;

public class Text implements Serializable {
	private static final float DEFAULT_TIME = 1f;

	public static float TIME_MULTIPLIER = 1f;

	public enum Type {
		PLAIN, SUBTITLE, TALK, UI
	};

	public String str;
	public float x;
	public float y;
	public float time;
	public Type type;
	public Color color;
	public String style;
	private ActionCallback cb;
	public String actorId;
	public String voiceId;
	public String animation;

	public Text() {
	}

	public Text(String str, float x, float y, float time, Type type, Color color, String style, String actorId,
			String voiceId, String talkAnimation, ActionCallback cb) {
		this.str = str;
		this.x = x;
		this.y = y;
		this.time = time * TIME_MULTIPLIER;
		this.type = type;
		this.color = color;
		this.style = style;
		this.cb = cb;
		this.actorId = actorId;
		this.voiceId = voiceId;
		this.animation = talkAnimation;

		// 0s -> Auto duration
		// <0 -> Infinity

		if (this.time < 0 || voiceId != null) {
			this.time = Float.MAX_VALUE;
		} else if (this.time == 0) {
			setAutoTime();
		}
	}

	public void setAutoTime() {
		time = (DEFAULT_TIME + DEFAULT_TIME * str.length() / 20f) * TIME_MULTIPLIER;
	}

	public void callCb() {
		if (cb != null) {
			ActionCallback tmpcb = cb;
			cb = null;
			tmpcb.resume();
		}
	}

	@Override
	public void write(Json json) {

		json.writeValue("str", str);
		json.writeValue("x", x);
		json.writeValue("y", y);
		json.writeValue("time", time);
		json.writeValue("type", type);
		json.writeValue("color", color);
		json.writeValue("style", style);
		json.writeValue("actorId", actorId);
		json.writeValue("voiceId", voiceId);
		json.writeValue("animation", animation);

		if (cb != null) {
			World w = ((BladeJson) json).getWorld();
			Scene s = ((BladeJson) json).getScene();
			json.writeValue("cb", ActionCallbackSerializer.serialize(w, s, cb));
		}
	}

	@Override
	public void read(Json json, JsonValue jsonData) {
		str = json.readValue("str", String.class, jsonData);
		x = json.readValue("x", Float.class, jsonData);
		y = json.readValue("y", Float.class, jsonData);
		time = json.readValue("time", Float.class, jsonData);
		type = json.readValue("type", Type.class, jsonData);
		color = json.readValue("color", Color.class, jsonData);
		style = json.readValue("style", String.class, jsonData);
		actorId = json.readValue("actorId", String.class, jsonData);
		voiceId = json.readValue("voiceId", String.class, jsonData);
		animation = json.readValue("animation", String.class, jsonData);
		BladeJson bjson = (BladeJson) json;
		cb = ActionCallbackSerializer.find(bjson.getWorld(), bjson.getScene(),
				json.readValue("cb", String.class, jsonData));
	}
}