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2025-10-09 16:08:46 +08:00
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history/011_yinyan_eatfood/src/main/java/com/gitee/drinkjava2/frog/Animal.java Normal file
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/*
* Copyright 2018 the original author or authors.
* 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.gitee.drinkjava2.frog;
import static com.gitee.drinkjava2.frog.brain.Cells.GENE_NUMBERS;
import static com.gitee.drinkjava2.frog.util.RandomUtils.percent;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.FileInputStream;
import java.util.ArrayList;
import javax.imageio.ImageIO;
import com.gitee.drinkjava2.frog.brain.Cells;
import com.gitee.drinkjava2.frog.brain.Eye;
import com.gitee.drinkjava2.frog.egg.Egg;
import com.gitee.drinkjava2.frog.objects.Food;
import com.gitee.drinkjava2.frog.objects.Material;
import com.gitee.drinkjava2.frog.util.RandomUtils;
import com.gitee.drinkjava2.frog.util.Tree8Util;
/**
* Animal is all artificial lives' father class
* Animal only keep one copy of genes from egg, not store gene in cell
* 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, Animal只保存一份基因而不是每个细胞都保存一份基因，这是人工生命与实际生物的最大不同
* 基因是一个list<list>结构, 每一条list代表一条由深度树方式存储的基因树，分表控制细胞的一个参数，当cell用长整数表示时最多可以表达支持64个参数
*
*
* @author Yong Zhu
* @since 1.0
*/
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
public static BufferedImage FROG_IMAGE;
public static BufferedImage snakeImage;
public ArrayList<ArrayList<Integer>> genes = new ArrayList<>(); // 基因是多个数列，有点象多条染色体
static {
try {
FROG_IMAGE = ImageIO.read(new FileInputStream(Application.CLASSPATH + "frog.png"));
} catch (Exception e) {
e.printStackTrace();
}
}
/** brain cells，暂定一个空间只有一个细胞，以后可以考虑扩展为一个空间充许多个细胞，用多个三维数组表示，分别由各自的基因控制分裂 */
public long[][][] cells = new long[Env.BRAIN_CUBE_SIZE][Env.BRAIN_CUBE_SIZE][Env.BRAIN_CUBE_SIZE];
public float[][][] energys = new float[Env.BRAIN_CUBE_SIZE][Env.BRAIN_CUBE_SIZE][Env.BRAIN_CUBE_SIZE];
public int x; // animal在Env中的x坐标
public int y; // animal在Env中的y坐标
public long energy = 1000000000; // 青蛙的能量为0则死掉
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
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
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
public int animalMaterial;
public Image animalImage;
public Animal(Egg egg) {// x, y 是虑拟环境的坐标
for (int i = 0; i < GENE_NUMBERS; i++) {
genes.add(new ArrayList<>());
}
int i = 0;
for (ArrayList<Integer> gene : egg.genes)//动物的基因是蛋的基因的拷贝
genes.get(i++).addAll(gene);
i = 0;
if (Env.BORN_AT_RANDOM_PLACE) { //是否随机出生在地图上?
x = RandomUtils.nextInt(Env.ENV_WIDTH);
y = RandomUtils.nextInt(Env.ENV_HEIGHT);
} else {//否则出生成指定区域
this.x = egg.x + RandomUtils.nextInt(80) - 40;
this.y = egg.y + RandomUtils.nextInt(80) - 40;
if (this.x < 0)
this.x = 0;
if (this.y < 0)
this.y = 0;
if (this.x >= (Env.ENV_WIDTH - 1))
this.x = Env.ENV_WIDTH - 1;
if (this.y >= (Env.ENV_HEIGHT - 1))
this.y = Env.ENV_HEIGHT - 1;
}
}
public void initAnimal() { // 初始化animal,生成脑细胞是在这一步，这个方法是在当前屏animal生成之后调用，比方说有一千个青蛙分为500屏测试，每屏只生成2个青蛙的脑细胞，可以节约内存
geneMutation(); //有小概率基因突变
createCellsFromGene(); //根据基因，分裂生成脑细胞
}
private static final int MIN_ENERGY_LIMIT = Integer.MIN_VALUE + 5000;
private static final int MAX_ENERGY_LIMIT = Integer.MAX_VALUE - 5000;
//@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
public void changeEnergy(int energy_) {//正数为奖励，负数为惩罚， energy大小是环境对animal唯一的奖罚，也是animal唯一的下蛋竞争标准
energy += energy_;
if (energy > MAX_ENERGY_LIMIT)
energy = MAX_ENERGY_LIMIT;
if (energy < MIN_ENERGY_LIMIT)
energy = MIN_ENERGY_LIMIT;
}
//如果改奖罚值，就可能出现缺色，这个要在基因变异算法（从上到下，从下到上）和环境本身奖罚合理性上下功夫
public void awardAAAA() { changeEnergy(2000);}
public void awardAAA() { changeEnergy(10);}
public void awardAA() { changeEnergy(5);}
public void awardA() { changeEnergy(2);}
public void penaltyAAAA() { changeEnergy(-2000);}
public void penaltyAAA() { changeEnergy(-10);}
public void penaltyAA() { changeEnergy(-5);}
public void penaltyA() { changeEnergy(-2);}
public void kill() { this.alive = false; changeEnergy(-5000000); Env.clearMaterial(x, y, animalMaterial); } //kill是最大的惩罚
//@formatter:on
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
// 如果能量小于0、出界、与非食物的点重合则判死
if (!alive) {
return false;
}
if (energy <= 0 || Env.outsideEnv(x, y) || Env.bricks[x][y] >= Material.KILL_ANIMAL) {
kill();
return false;
}
this.energys[0][0][Env.BRAIN_ZSIZE - 1] = 10;
// if(Env.closeToEdge(this))
// energys[0][0][0]=10;
Eye.active(this); //如看到食物，给顶层细胞赋能量
Cells.active(this); //细胞之间互相传递能量
if (Food.foundAndAteFood(this.x, this.y)) { //如当前位置有食物就吃掉，并获得奖励
this.awardAAAA();
this.ateFood++;
}
return alive;
}
public void show(Graphics g) {// 显示当前动物
if (!alive)
return;
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
}
/** Check if x,y,z out of animal's brain range */
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
return x < 0 || x >= Env.BRAIN_XSIZE || y < 0 || y >= Env.BRAIN_YSIZE || z < 0 || z >= Env.BRAIN_ZSIZE;
}
public void geneMutation() { //基因变异,注意这一个算法同时变异所有条基因，目前最多允许64条基因
if(percent(50))
for (int g = 0; g < GENE_NUMBERS; g++) {//随机新增阴节点基因
if (percent(20)) {
ArrayList<Integer> gene = genes.get(g);
Tree8Util.knockNodesByGene(gene);//根据基因，把要敲除的8叉树节点作个标记，下面的算法保证阴节点基因只添加阳节点上
int randomIndex = RandomUtils.nextInt(Tree8Util.keepNodeQTY);
int count = -1;
for (int i = 0; i < Tree8Util.NODE_QTY; i++) {
if (Tree8Util.keep[i] > 0) {
count++;
if (count >= randomIndex && !gene.contains(-i)) {
gene.add(-i);
break;
}
}
}
}
}
if(percent(50))
for (int g = 0; g < GENE_NUMBERS; g++) {//随机新增阳节点基因
if (RandomUtils.percent(20)) {
ArrayList<Integer> gene = genes.get(g);
Tree8Util.knockNodesByGene(gene);//根据基因，把要敲除的8叉树节点作个标记，下面的算法保证阳节点基因只添加在阴节点上
int yinNodeQTY = Tree8Util.NODE_QTY - Tree8Util.keepNodeQTY; //阴节点总数
int randomIndex = RandomUtils.nextInt(yinNodeQTY);
int count = -1;
for (int i = 0; i < yinNodeQTY; i++) {
if (Tree8Util.keep[i] <= 0) {
count++;
if (count >= randomIndex && !gene.contains(i)) {
gene.add(i);
break;
}
}
}
}
}
if(percent(50))
for (int g = 0; g < GENE_NUMBERS; g++) {//随机变异删除一个基因，这样可以去除无用的拉圾基因，防止基因无限增大
if (RandomUtils.percent(40)) {
ArrayList<Integer> gene = genes.get(g);
if (!gene.isEmpty())
gene.remove(RandomUtils.nextInt(gene.size()));
}
}
}
private void createCellsFromGene() {//根据基因生成细胞参数
long geneMask = 1;
for (int g = 0; g < GENE_NUMBERS; g++) {//动物有多条基因，一条基因控制一维细胞参数，最多有64维，也就是最多有64条基因
ArrayList<Integer> gene = genes.get(g);
Tree8Util.knockNodesByGene(gene);//根据基因，把要敲除的8叉树节点作个标记
for (int i = 0; i < Tree8Util.NODE_QTY; i++) {//再根据敲剩下的8叉树keep标记生成细胞参数
if (Tree8Util.keep[i] > 0) {
int[] node = Tree8Util.TREE8[i];
if (node[0] == 1) {//如果node边长为1，即不可以再分裂了，就在三维空间对间数组的位置把当前基因geneMask置1
cells[node[1]][node[2]][node[3]] = cells[node[1]][node[2]][node[3]] | geneMask; //在相应的细胞处把细胞参数位置1
}
}
}
geneMask <<= 1;
}
}
}