Added GardenPatchGenerator, GroundScatterFunction.

/pumpkins now uses the new classes.
This commit is contained in:
sk89q 2014-03-01 15:41:40 -08:00
parent fb634ef95b
commit d2e93dfe23
4 changed files with 253 additions and 146 deletions

View File

@ -28,10 +28,14 @@ import com.sk89q.worldedit.expression.Expression;
import com.sk89q.worldedit.expression.ExpressionException;
import com.sk89q.worldedit.expression.runtime.RValue;
import com.sk89q.worldedit.generator.ForestGenerator;
import com.sk89q.worldedit.generator.GardenPatchGenerator;
import com.sk89q.worldedit.operation.GroundScatterFunction;
import com.sk89q.worldedit.interpolation.Interpolation;
import com.sk89q.worldedit.interpolation.KochanekBartelsInterpolation;
import com.sk89q.worldedit.interpolation.Node;
import com.sk89q.worldedit.masks.Mask;
import com.sk89q.worldedit.operation.FlatRegionApplicator;
import com.sk89q.worldedit.operation.OperationHelper;
import com.sk89q.worldedit.patterns.Pattern;
import com.sk89q.worldedit.regions.CuboidRegion;
import com.sk89q.worldedit.regions.Region;
@ -2566,134 +2570,31 @@ public class EditSession {
}
/**
* Makes a pumpkin patch.
* Makes pumpkin patches randomly in an area around the given position.
*
* @param basePos
*/
private void makePumpkinPatch(Vector basePos)
throws MaxChangedBlocksException {
// BaseBlock logBlock = new BaseBlock(BlockID.LOG);
BaseBlock leavesBlock = new BaseBlock(BlockID.LEAVES);
// setBlock(basePos.subtract(0, 1, 0), logBlock);
setBlockIfAir(basePos, leavesBlock);
makePumpkinPatchVine(basePos, basePos.add(0, 0, 1));
makePumpkinPatchVine(basePos, basePos.add(0, 0, -1));
makePumpkinPatchVine(basePos, basePos.add(1, 0, 0));
makePumpkinPatchVine(basePos, basePos.add(-1, 0, 0));
}
/**
* Make a pumpkin patch fine.
*
* @param basePos
* @param pos
*/
private void makePumpkinPatchVine(Vector basePos, Vector pos)
throws MaxChangedBlocksException {
if (pos.distance(basePos) > 4) return;
if (getBlockType(pos) != 0) return;
for (int i = -1; i > -3; --i) {
Vector testPos = pos.add(0, i, 0);
if (getBlockType(testPos) == BlockID.AIR) {
pos = testPos;
} else {
break;
}
}
setBlockIfAir(pos, new BaseBlock(BlockID.LEAVES));
int t = prng.nextInt(4);
int h = prng.nextInt(3) - 1;
BaseBlock log = new BaseBlock(BlockID.LOG);
switch (t) {
case 0:
if (prng.nextBoolean()) {
makePumpkinPatchVine(basePos, pos.add(1, 0, 0));
}
if (prng.nextBoolean()) {
setBlockIfAir(pos.add(1, h, -1), log);
}
setBlockIfAir(pos.add(0, 0, -1), new BaseBlock(BlockID.PUMPKIN, prng.nextInt(4)));
break;
case 1:
if (prng.nextBoolean()) {
makePumpkinPatchVine(basePos, pos.add(0, 0, 1));
}
if (prng.nextBoolean()) {
setBlockIfAir(pos.add(1, h, 0), log);
}
setBlockIfAir(pos.add(1, 0, 1), new BaseBlock(BlockID.PUMPKIN, prng.nextInt(4)));
break;
case 2:
if (prng.nextBoolean()) {
makePumpkinPatchVine(basePos, pos.add(0, 0, -1));
}
if (prng.nextBoolean()) {
setBlockIfAir(pos.add(-1, h, 0), log);
}
setBlockIfAir(pos.add(-1, 0, 1), new BaseBlock(BlockID.PUMPKIN, prng.nextInt(4)));
break;
case 3:
if (prng.nextBoolean()) {
makePumpkinPatchVine(basePos, pos.add(-1, 0, 0));
}
if (prng.nextBoolean()) {
setBlockIfAir(pos.add(-1, h, -1), log);
}
setBlockIfAir(pos.add(-1, 0, -1), new BaseBlock(BlockID.PUMPKIN, prng.nextInt(4)));
break;
}
}
/**
* Makes pumpkin patches.
*
* @param basePos
* @param size
* @return number of trees created
* @param position the base position
* @param apothem the apothem of the (square) area
* @return number of patches created
* @throws MaxChangedBlocksException
*/
public int makePumpkinPatches(Vector basePos, int size)
throws MaxChangedBlocksException {
int affected = 0;
public int makePumpkinPatches(Vector position, int apothem) throws MaxChangedBlocksException {
// We want to generate pumpkins
GardenPatchGenerator generator = new GardenPatchGenerator(this);
generator.setPlant(GardenPatchGenerator.getPumpkinPattern());
for (int x = basePos.getBlockX() - size; x <= basePos.getBlockX()
+ size; ++x) {
for (int z = basePos.getBlockZ() - size; z <= basePos.getBlockZ()
+ size; ++z) {
// Don't want to be in the ground
if (!getBlock(new Vector(x, basePos.getBlockY(), z)).isAir()) {
continue;
}
// The gods don't want a pumpkin patch here
if (Math.random() < 0.98) {
continue;
}
// In a region of the given radius
Region region = new CuboidRegion(position.add(-apothem, -5, -apothem), position.add(apothem, 10, apothem));
for (int y = basePos.getBlockY(); y >= basePos.getBlockY() - 10; --y) {
// Check if we hit the ground
int t = getBlock(new Vector(x, y, z)).getType();
if (t == BlockID.GRASS || t == BlockID.DIRT) {
makePumpkinPatch(new Vector(x, y + 1, z));
++affected;
break;
} else if (t != BlockID.AIR) { // Trees won't grow on this!
break;
}
}
}
}
// And we want to scatter them
GroundScatterFunction scatter = new GroundScatterFunction(this, generator);
scatter.setDensity(0.02);
scatter.setRange(region);
return affected;
// Generate those patches!
FlatRegionApplicator operation = new FlatRegionApplicator(region, scatter);
OperationHelper.completeLegacy(operation);
return operation.getAffected();
}
/**

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@ -29,8 +29,9 @@ import com.sk89q.worldedit.blocks.BlockID;
import com.sk89q.worldedit.expression.ExpressionException;
import com.sk89q.worldedit.filtering.GaussianKernel;
import com.sk89q.worldedit.filtering.HeightMapFilter;
import com.sk89q.worldedit.generator.FloraPlacer;
import com.sk89q.worldedit.generator.FloraGenerator;
import com.sk89q.worldedit.generator.ForestGenerator;
import com.sk89q.worldedit.operation.GroundScatterFunction;
import com.sk89q.worldedit.masks.Mask;
import com.sk89q.worldedit.operation.FlatRegionApplicator;
import com.sk89q.worldedit.operation.OperationHelper;
@ -566,11 +567,16 @@ public class RegionCommands {
Region region = session.getSelection(player.getWorld());
FloraPlacer function = new FloraPlacer(editSession);
function.setRange(region);
function.setDensity(density);
// We want to generate flora
FloraGenerator generator = new FloraGenerator(editSession);
FlatRegionApplicator operation = new FlatRegionApplicator(region, function);
// And we want to scatter them
GroundScatterFunction scatter = new GroundScatterFunction(editSession, generator);
scatter.setDensity(density);
scatter.setRange(region);
// Generate that flora
FlatRegionApplicator operation = new FlatRegionApplicator(region, scatter);
OperationHelper.complete(operation);
player.print(operation.getAffected() + " flora created.");

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@ -0,0 +1,199 @@
/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.generator;
import com.sk89q.worldedit.EditSession;
import com.sk89q.worldedit.MaxChangedBlocksException;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.WorldEditException;
import com.sk89q.worldedit.blocks.BaseBlock;
import com.sk89q.worldedit.blocks.BlockID;
import com.sk89q.worldedit.operation.RegionFunction;
import com.sk89q.worldedit.patterns.BlockChance;
import com.sk89q.worldedit.patterns.Pattern;
import com.sk89q.worldedit.patterns.RandomFillPattern;
import com.sk89q.worldedit.patterns.SingleBlockPattern;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
public class GardenPatchGenerator implements RegionFunction {
private final Random random = new Random();
private final EditSession editSession;
private Pattern plant = getPumpkinPattern();
private int affected;
/**
* Create a new instance.
*
* @param editSession the edit session
*/
public GardenPatchGenerator(EditSession editSession) {
this.editSession = editSession;
}
/**
* Get the plant pattern that is placed.
*
* @return the plant pattern
*/
public Pattern getPlant() {
return plant;
}
/**
* Set the plant pattern that is placed.
*
* @param plant the plant pattern
*/
public void setPlant(Pattern plant) {
this.plant = plant;
}
/**
* Get the number of affected blocks.
*
* @return affected count
*/
public int getAffected() {
return affected;
}
/**
* Make a patch vine.
*
* @param basePos the base position
* @param pos the vine position
*/
private void placeVine(Vector basePos, Vector pos) throws MaxChangedBlocksException {
if (pos.distance(basePos) > 4) return;
if (editSession.getBlockType(pos) != 0) return;
for (int i = -1; i > -3; --i) {
Vector testPos = pos.add(0, i, 0);
if (editSession.getBlockType(testPos) == BlockID.AIR) {
pos = testPos;
} else {
break;
}
}
editSession.setBlockIfAir(pos, new BaseBlock(BlockID.LEAVES));
affected++;
int t = random.nextInt(4);
int h = random.nextInt(3) - 1;
Vector p;
BaseBlock log = new BaseBlock(BlockID.LOG);
switch (t) {
case 0:
if (random.nextBoolean()) {
placeVine(basePos, pos.add(1, 0, 0));
}
if (random.nextBoolean()) {
editSession.setBlockIfAir(pos.add(1, h, -1), log);
affected++;
}
editSession.setBlockIfAir(p = pos.add(0, 0, -1), plant.next(p));
affected++;
break;
case 1:
if (random.nextBoolean()) {
placeVine(basePos, pos.add(0, 0, 1));
}
if (random.nextBoolean()) {
editSession.setBlockIfAir(pos.add(1, h, 0), log);
affected++;
}
editSession.setBlockIfAir(p = pos.add(1, 0, 1), plant.next(p));
affected++;
break;
case 2:
if (random.nextBoolean()) {
placeVine(basePos, pos.add(0, 0, -1));
}
if (random.nextBoolean()) {
editSession.setBlockIfAir(pos.add(-1, h, 0), log);
affected++;
}
editSession.setBlockIfAir(p = pos.add(-1, 0, 1), plant.next(p));
affected++;
break;
case 3:
if (random.nextBoolean()) {
placeVine(basePos, pos.add(-1, 0, 0));
}
if (random.nextBoolean()) {
editSession.setBlockIfAir(pos.add(-1, h, -1), log);
affected++;
}
editSession.setBlockIfAir(p = pos.add(-1, 0, -1), plant.next(p));
affected++;
break;
}
}
@Override
public boolean apply(Vector position) throws WorldEditException {
if (editSession.getBlock(position).getType() != BlockID.AIR) {
position = position.add(0, 1, 0);
}
BaseBlock leavesBlock = new BaseBlock(BlockID.LEAVES);
editSession.setBlockIfAir(position, leavesBlock);
placeVine(position, position.add(0, 0, 1));
placeVine(position, position.add(0, 0, -1));
placeVine(position, position.add(1, 0, 0));
placeVine(position, position.add(-1, 0, 0));
return true;
}
/**
* Get a pattern that creates pumpkins with different faces.
*
* @return a pumpkin pattern
*/
public static Pattern getPumpkinPattern() {
List<BlockChance> chance = new ArrayList<BlockChance>();
for (int i = 0; i < 4; i++) {
chance.add(new BlockChance(new BaseBlock(BlockID.PUMPKIN, i), 100));
}
return new RandomFillPattern(chance);
}
/**
* Get a pattern that creates melons.
*
* @return a melon pattern
*/
public static Pattern getMelonPattern() {
return new SingleBlockPattern(new BaseBlock(BlockID.MELON_BLOCK));
}
}

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@ -17,53 +17,54 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.generator;
package com.sk89q.worldedit.operation;
import com.sk89q.worldedit.EditSession;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.WorldEditException;
import com.sk89q.worldedit.blocks.BaseBlock;
import com.sk89q.worldedit.generator.GroundGenerator;
/**
* Generates flora over an applied area.
* Randomly applies the given {@link RegionFunction} onto random ground blocks.
* <p>
* This class can be used to generate a structure randomly over an area.
*/
public class FloraPlacer extends GroundGenerator {
public class GroundScatterFunction extends GroundGenerator {
private final EditSession editSession;
private FloraGenerator floraGenerator;
private RegionFunction function;
/**
* Create a new instance.
*
* @param editSession the edit session
* @param function the function
*/
public FloraPlacer(EditSession editSession) {
public GroundScatterFunction(EditSession editSession, RegionFunction function) {
super(editSession);
this.editSession = editSession;
this.floraGenerator = new FloraGenerator(editSession);
this.function = function;
}
/**
* Get the flora generator.
* Get the function to apply.
*
* @return the flora generator
* @return the region function
*/
public FloraGenerator getFloraGenerator() {
return floraGenerator;
public RegionFunction getFunction() {
return function;
}
/**
* Set the flora generator.
* Set the function to apply.
*
* @param floraGenerator the flora generator
* @param function the region function
*/
public void setFloraGenerator(FloraGenerator floraGenerator) {
this.floraGenerator = floraGenerator;
public void setFunction(RegionFunction function) {
this.function = function;
}
@Override
protected boolean apply(Vector pt, BaseBlock block) throws WorldEditException {
return floraGenerator.apply(pt);
protected boolean apply(Vector position, BaseBlock block) throws WorldEditException {
return function.apply(position);
}
}