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/*
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* Copyright 2018 the original author or authors.
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by
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* applicable law or agreed to in writing, software distributed under the
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* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS
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* OF ANY KIND, either express or implied. See the License for the specific
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* language governing permissions and limitations under the License.
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*/
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package com.gitee.drinkjava2.frog;
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import java.awt.Graphics;
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import java.awt.Image;
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import java.awt.image.BufferedImage;
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import java.io.FileInputStream;
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import java.util.ArrayList;
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import java.util.List;
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import javax.imageio.ImageIO;
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import com.gitee.drinkjava2.frog.brain.Cell;
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import com.gitee.drinkjava2.frog.brain.Cells3D;
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import com.gitee.drinkjava2.frog.brain.Organ;
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import com.gitee.drinkjava2.frog.egg.Egg;
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import com.gitee.drinkjava2.frog.gene.Gene;
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import com.gitee.drinkjava2.frog.judge.BrainShapeJudge;
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import com.gitee.drinkjava2.frog.objects.Material;
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import com.gitee.drinkjava2.frog.util.RandomUtils;
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/**
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* Animal is all artificial lives' father class
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*
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* Animal是所有动物（青蛙、蛇等）的父类, animal是由蛋孵出来的，蛋里保存着脑细胞结构生成的基因
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*
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* @author Yong Zhu
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*
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* @since 1.0
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*/
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public abstract class Animal {// 这个程序大量用到public变量而不是getter/setter，主要是为了编程方便和简洁，但缺点是编程者需要小心维护各个变量
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public static BufferedImage FROG_IMAGE;
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public static BufferedImage snakeImage;
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transient public ArrayList<Long> gene = new ArrayList<>(); // Animal的基因只保存一份，这是人工生命与实际生物（每个细胞都保留一份基因）的最大不同
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static {
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try {
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FROG_IMAGE = ImageIO.read(new FileInputStream(Application.CLASSPATH + "frog.png"));
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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/** brain cells */
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public List<Cell> cells = new ArrayList<>();
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public Cells3D cells3D = new Cells3D(this);
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/** brain organs */
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public List<Organ> organs = new ArrayList<>();
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public Cells3D organ3D = new Cells3D(this);
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public int x; // animal在Env中的x坐标
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public int y; // animal在Env中的y坐标
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public long energy = 100000; // 青蛙的能量为0则死掉
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public boolean alive = true; // 设为false表示青蛙死掉了，将不参与计算和显示，以节省时间
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public int ateFood = 0; // 青蛙曾吃过的食物总数，下蛋时如果两个青蛙能量相等，可以比数量
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public int no; // 青蛙在Env.animals中的序号，从1开始， 会在运行期写到当前brick的最低位，可利用Env.animals.get(no-1)快速定位青蛙
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public int animalMaterial = Material.FROG_TAG;
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public Image animalImage = Animal.FROG_IMAGE;
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public Animal(Egg egg) {// x, y 是虑拟环境的坐标
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this.gene.addAll(egg.gene); //动物的基因是蛋的基因的拷贝
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if (Env.BORN_AT_RANDOM_PLACE) { //是否随机出生在地图上?
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x = RandomUtils.nextInt(Env.ENV_WIDTH);
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y = RandomUtils.nextInt(Env.ENV_HEIGHT);
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} else {//否则出生成指定区域
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this.x = egg.x + RandomUtils.nextInt(80) - 40;
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this.y = egg.y + RandomUtils.nextInt(80) - 40;
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if (this.x < 0)
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this.x = 0;
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if (this.y < 0)
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this.y = 0;
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if (this.x >= (Env.ENV_WIDTH - 1))
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this.x = Env.ENV_WIDTH - 1;
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if (this.y >= (Env.ENV_HEIGHT - 1))
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this.y = Env.ENV_HEIGHT - 1;
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}
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}
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private static final int MIN_ENERGY_LIMIT = Integer.MIN_VALUE + 20000;
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private static final int MAX_ENERGY_LIMIT = Integer.MAX_VALUE - 20000;
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//energy大小是环境对animal唯一的奖罚，也是animal唯一的下蛋竟争标准。调用下面6个方法来进行不同程度的奖罚
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//@formatter:off 下面几行是重要的奖罚方法，会经常调整或注释掉，集中放在一起，不要格式化为多行
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// public void bigAward() { energy += 5000; if (energy > MAX_ENERGY_LIMIT)energy = MAX_ENERGY_LIMIT; }
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public void normalAward() { energy += 50; if (energy > MAX_ENERGY_LIMIT)energy = MAX_ENERGY_LIMIT; }
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//public void tinyAward() { energy += 1; if (energy > MAX_ENERGY_LIMIT)energy = MAX_ENERGY_LIMIT; }
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//public void bigPenalty() { energy -= 5000; if (energy < MIN_ENERGY_LIMIT)energy = MIN_ENERGY_LIMIT; }
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public void normalPenalty() { energy -= 100; if (energy < MIN_ENERGY_LIMIT)energy = MIN_ENERGY_LIMIT; }
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//public void tinyPenalty() { energy -= 1 ; if (energy < MIN_ENERGY_LIMIT)energy = MIN_ENERGY_LIMIT; }
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public void kill() {this.alive = false; this.energy = MIN_ENERGY_LIMIT; Env.clearMaterial(x, y, animalMaterial); } //kill是最大的惩罚
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//@formatter:on
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public void initAnimal() { // 初始化animal,生成脑细胞是在这一步
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Gene.run(this); //运行基因语言，生成细胞
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BrainShapeJudge.judge(this); //重要，对细胞的形状是否符合模子的形状进行能量奖励或扣分
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Gene.mutation(this); //有小概率基因突变
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}
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public boolean active() {// 这个active方法在每一步循环都会被调用，是脑思考的最小帧
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// 如果能量小于0、出界、与非食物的点重合则判死
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if (!alive) {
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energy = MIN_ENERGY_LIMIT; // 死掉的青蛙确保淘汰出局
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return false;
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}
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if (energy < 0 || Env.outsideEnv(x, y) || Env.bricks[x][y] >= Material.KILL_ANIMAL) {
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kill();
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return false;
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}
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energy -= 20;
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// 依次调用每个cell的active方法
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//for (Cell cell : cells)
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// cell.organ.active(this, cell);
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return alive;
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}
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public void show(Graphics g) {// 显示当前动物
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if (!alive)
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return;
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g.drawImage(animalImage, x - 8, y - 8, 16, 16, null);// 减去坐标，保证嘴巴显示在当前x,y处
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}
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/** Check if x,y,z out of animal's brain range */
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public static boolean outBrainRange(int x, int y, int z) {// 检查指定坐标是否超出animal脑空间界限
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return x < 0 || x >= Env.BRAIN_XSIZE || y < 0 || y >= Env.BRAIN_YSIZE || z < 0 || z >= Env.BRAIN_ZSIZE;
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}
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public Cell getOneRandomCell() {
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if (cells.isEmpty())
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return null;
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return cells.get(RandomUtils.nextInt(cells.size()));
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}
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}
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