/**
* barsuift-simlife is a life simulator program
*
* Copyright (C) 2010 Cyrille GACHOT
*
* This file is part of barsuift-simlife.
*
* barsuift-simlife is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* barsuift-simlife is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with barsuift-simlife. If not, see
* <http://www.gnu.org/licenses/>.
*/
package barsuift.simLife.tree;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import barsuift.simLife.PercentHelper;
import barsuift.simLife.j3d.tree.BasicTreeBranch3D;
import barsuift.simLife.j3d.tree.TreeBranch3D;
import barsuift.simLife.universe.Universe;
public class BasicTreeBranch implements TreeBranch {
private static final BigDecimal ENERGY_RATIO_TO_KEEP = PercentHelper.getDecimalValue(0);
private static final BigDecimal MAX_ENERGY = new BigDecimal(200);
private final TreeBranchState state;
private final List<TreeBranchPart> parts;
private final TreeBranch3D branch3D;
private int age;
private BigDecimal energy;
private BigDecimal freeEnergy;
public BasicTreeBranch(Universe universe, TreeBranchState state) {
if (universe == null) {
throw new IllegalArgumentException("null universe");
}
if (state == null) {
throw new IllegalArgumentException("null branch state");
}
this.state = state;
this.age = state.getAge();
this.energy = state.getEnergy();
this.freeEnergy = state.getFreeEnergy();
List<TreeBranchPartState> partStates = state.getBranchPartStates();
this.parts = new ArrayList<TreeBranchPart>(partStates.size());
for (TreeBranchPartState treeBranchPartState : partStates) {
BasicTreeBranchPart branchPart = new BasicTreeBranchPart(universe, treeBranchPartState);
parts.add(branchPart);
}
branch3D = new BasicTreeBranch3D(universe.getUniverse3D(), state.getBranch3DState(), this);
}
public int getAge() {
return age;
}
/**
* Make all parts spend time.
*/
@Override
public void spendTime() {
age++;
for (TreeBranchPart branchPart : parts) {
branchPart.spendTime();
}
collectFreeEnergyFromParts();
}
private void collectFreeEnergyFromParts() {
BigDecimal freeEnergyCollectedFromParts = new BigDecimal(0);
for (TreeBranchPart part : parts) {
freeEnergyCollectedFromParts = freeEnergyCollectedFromParts.add(part.collectFreeEnergy());
}
BigDecimal energyCollectedForBranch = freeEnergyCollectedFromParts.multiply(ENERGY_RATIO_TO_KEEP);
BigDecimal freeEnergyCollected = freeEnergyCollectedFromParts.subtract(energyCollectedForBranch);
this.energy = energy.add(energyCollectedForBranch);
// limit energy to MAX_ENERGY
energy = energy.min(MAX_ENERGY);
this.freeEnergy = freeEnergy.add(freeEnergyCollected);
}
/**
* Return the sum of branch parts energies
*/
@Override
public BigDecimal getEnergy() {
return energy;
}
@Override
public BigDecimal collectFreeEnergy() {
BigDecimal currentFreeEnergy = freeEnergy;
freeEnergy = new BigDecimal(0);
return currentFreeEnergy;
}
public int getNbLeaves() {
int result = 0;
for (TreeBranchPart branchPart : parts) {
result += branchPart.getNbLeaves();
}
return result;
}
public List<TreeBranchPart> getParts() {
return Collections.unmodifiableList(parts);
}
public int getNbParts() {
return parts.size();
}
@Override
public TreeBranchState getState() {
synchronize();
return state;
}
@Override
public void synchronize() {
state.setAge(age);
state.setEnergy(energy);
state.setFreeEnergy(freeEnergy);
List<TreeBranchPartState> branchPartStates = new ArrayList<TreeBranchPartState>();
for (TreeBranchPart branchPart : parts) {
branchPartStates.add((TreeBranchPartState) branchPart.getState());
}
state.setBranchPartStates(branchPartStates);
branch3D.synchronize();
}
@Override
public TreeBranch3D getBranch3D() {
return branch3D;
}
}