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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.github.drinkjava2.frog;
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import java.awt.Graphics;
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import java.awt.Image;
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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 java.util.Random;
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import javax.imageio.ImageIO;
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import com.github.drinkjava2.frog.brain.Cell;
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import com.github.drinkjava2.frog.brain.Input;
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import com.github.drinkjava2.frog.brain.Output;
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import com.github.drinkjava2.frog.egg.CellGroup;
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import com.github.drinkjava2.frog.egg.Egg;
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import com.github.drinkjava2.frog.egg.Zone;
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import com.github.drinkjava2.frog.env.Application;
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import com.github.drinkjava2.frog.env.Env;
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/**
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* Frog = brain + body(mouth, eye, leg), but now let's focus on brain, ignore
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* body
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*
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* 为了简化模型，这个类里出现多个固定数值的编码，以后要改进成可以可以放在蛋里遗传进化的动态数值，先让生命延生是第一步，优化是以后的事
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*
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* @author Yong Zhu
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* @since 1.0.0
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*/
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public class Frog {
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/** brain radius virtual unit */
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public float brainRadius;
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/** brain cells */
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List<Cell> cells = new ArrayList<Cell>();
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/** 视觉细胞的输入区在脑中的坐标，先随便取 在原点附件就可以了，以后再考虑放到蛋里去进化 */
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public static Zone eye = new Zone(0, 0, 300);
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/** 运动细胞的输入区在脑中的坐标，先随便取就可以了，以后再考虑放到蛋里去进化 */
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public static Zone moveUp = new Zone(500, 50, 10);
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public static Zone moveDown = new Zone(500, 100, 10);
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public static Zone moveLeft = new Zone(500, 150, 10);
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public static Zone moveRight = new Zone(500, 200, 10);
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public static Zone moveRandom = new Zone(500, 300, 10);
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public int x;
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public int y;
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public long energy = 10000;
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public Egg egg;
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public boolean alive = true; // if dead set to false
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public int moveCount = 0; // how many times moved
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static final Random r = new Random();
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static Image frogImg;
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static {
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try {
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frogImg = 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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public Frog(int x, int y, Egg egg) {
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this.x = x;
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this.y = y;
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if (egg.cellgroups == null)
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throw new IllegalArgumentException("Illegal egg cellgroups argument:" + egg.cellgroups);
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this.brainRadius = egg.brainRadius;
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for (int k = 0; k < egg.cellgroups.length; k++) {
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CellGroup g = egg.cellgroups[k];
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for (int i = 0; i < g.cellQty; i++) {// 开始根据蛋来创建脑细胞
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Cell c = new Cell();
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c.inputs = new Input[g.inputQtyPerCell];
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for (int j = 0; j < g.inputQtyPerCell; j++) {
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c.inputs[j] = new Input();
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c.inputs[j].cell = c;
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Zone.copyXY(randomPosInZone(g.groupInputZone), c.inputs[j]);
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c.inputs[j].radius = g.cellInputRadius;
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}
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c.outputs = new Output[g.outputQtyPerCell];
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for (int j = 0; j < g.outputQtyPerCell; j++) {
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c.outputs[j] = new Output();
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c.outputs[j].cell = c;
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Zone.copyXY(randomPosInZone(g.groupInputZone), c.outputs[j]);
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c.outputs[j].radius = g.cellOutputRadius;
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}
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cells.add(c);
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}
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}
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this.egg = egg;// 保留一份蛋，如果没被淘汰掉，将来下蛋时要用这个蛋来下新蛋
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}
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/** Active a frog, if frog is dead return false */
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public boolean active(Env env) {
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if (!alive)
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return false;
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if (x < 0 || x >= env.ENV_XSIZE || y < 0 || y >= env.ENV_YSIZE) {// 越界者死！
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alive = false;
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return false;
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}
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// move
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for (Cell cell : cells) {
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for (Output output : cell.outputs) {
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if (moveUp.nearby(output))
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moveUp(env);
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if (moveDown.nearby(output))
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moveDown(env);
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if (moveLeft.nearby(output))
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moveLeft(env);
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if (moveRight.nearby(output))
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moveRight(env);
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if (moveRandom.nearby(output))
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moveRandom(env);
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}
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}
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return true;
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}
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/** 如果青蛙位置与food重合，吃掉它 */
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private void checkFoodAndEat(Env env) {
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boolean eatedFood = false;
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if (x >= 0 && x < env.ENV_XSIZE && y > 0 && y < env.ENV_YSIZE)
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if (env.foods[x][y] > 0) {
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env.foods[x][y] = 0;
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energy = energy + 1000;// 吃掉food，能量境加
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eatedFood = true;
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}
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// 奖励
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if (eatedFood) {
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}
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}
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private void moveRandom(Env env) {
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int ran = r.nextInt(4);
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if (ran == 0)
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moveUp(env);
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if (ran == 1)
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moveDown(env);
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if (ran == 2)
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moveLeft(env);
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if (ran == 3)
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moveRight(env);
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}
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private void moveUp(Env env) {
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y += 1;
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if (y < 0 || y >= env.ENV_YSIZE) {
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alive = false;
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return;
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}
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checkFoodAndEat(env);
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}
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private void moveDown(Env env) {
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y -= 1;
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if (y < 0 || y >= env.ENV_YSIZE) {
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alive = false;
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return;
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}
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checkFoodAndEat(env);
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}
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private void moveLeft(Env env) {
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x -= 1;
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if (x < 0 || x >= env.ENV_XSIZE) {
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alive = false;
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return;
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}
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checkFoodAndEat(env);
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}
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private void moveRight(Env env) {
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x += 1;
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if (x < 0 || x >= env.ENV_XSIZE) {
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alive = false;
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return;
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}
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checkFoodAndEat(env);
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}
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private boolean allowVariation = false;
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private float percet1(float f) {
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if (!allowVariation)
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return f;
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return (float) (f * (0.99f + r.nextFloat() * 0.02));
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}
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private float percet5(float f) {
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if (!allowVariation)
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return f;
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return (float) (f * (0.95f + r.nextFloat() * 0.10));
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}
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private static Zone randomPosInZone(Zone z) {
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return new Zone(z.x - z.radius + z.radius * 2 * r.nextFloat(), z.y - z.radius + z.radius * 2 * r.nextFloat(),
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0);
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}
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public Egg layEgg() {
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if (r.nextInt(100) > 25) // 变异率先固定在25%
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allowVariation = false;// 如果不允许变异，下的蛋就相当于克隆原来的蛋
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else
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allowVariation = true;
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Egg newEgg = new Egg();
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newEgg.brainRadius = percet5(egg.brainRadius);
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CellGroup[] cellgroups = new CellGroup[egg.cellgroups.length];
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newEgg.cellgroups = cellgroups;
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for (int i = 0; i < cellgroups.length; i++) {
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CellGroup cellGroup = new CellGroup();
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cellgroups[i] = cellGroup;
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CellGroup oldGp = egg.cellgroups[i];
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cellGroup.groupInputZone = new Zone(percet5(oldGp.groupInputZone.x), percet5(oldGp.groupInputZone.y),
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percet5(oldGp.groupInputZone.radius));
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cellGroup.groupOutputZone = new Zone(percet5(oldGp.groupOutputZone.x), percet5(oldGp.groupOutputZone.y),
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percet5(oldGp.groupOutputZone.radius));
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cellGroup.cellQty = Math.round(percet5(oldGp.cellQty));
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cellGroup.cellInputRadius = percet1(oldGp.cellInputRadius);
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cellGroup.cellOutputRadius = percet1(oldGp.cellOutputRadius);
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cellGroup.inputQtyPerCell = Math.round(percet5(oldGp.inputQtyPerCell));
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cellGroup.outputQtyPerCell = Math.round(percet5(oldGp.outputQtyPerCell));
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}
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return newEgg;
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}
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public void show(Graphics g) {
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if (!alive)
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return;
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g.drawImage(frogImg, x - 8, y - 8, 16, 16, null);
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}
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}
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