org.pepsoft.worldpainter.operations.Flood Maven / Gradle / Ivy
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package org.pepsoft.worldpainter.operations;
import org.pepsoft.worldpainter.Dimension;
import org.pepsoft.worldpainter.WorldPainter;
import org.pepsoft.worldpainter.layers.FloodWithLava;
import org.pepsoft.worldpainter.painting.GeneralQueueLinearFloodFiller;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.swing.*;
import java.awt.*;
import static org.pepsoft.worldpainter.Constants.TILE_SIZE;
/**
*
* @author pepijn
*/
public class Flood extends MouseOrTabletOperation {
public Flood(WorldPainter view, boolean floodWithLava) {
super(floodWithLava ? "Lava" : "Flood", "Flood an area with " + (floodWithLava ? "lava" : "water"),
view,
"operation.flood." + (floodWithLava ? "lava" : "water"),
floodWithLava ? "flood_with_lava" : "flood");
this.floodWithLava = floodWithLava;
}
@Override
protected void tick(int centreX, int centreY, boolean inverse, boolean first, float dynamicLevel) {
// We have seen in the wild that this sometimes gets called recursively (perhaps someone clicks to flood more
// than once and then it takes more than two seconds so it is continued in the background and event queue
// processing is resumed?), which causes errors, so just ignore it if we are already flooding.
if (alreadyFlooding) {
logger.debug("Flood operation already in progress; ignoring repeated invocation");
return;
}
alreadyFlooding = true;
try {
final Dimension dimension = getDimension();
final Rectangle dimensionBounds = new Rectangle(dimension.getLowestX() * TILE_SIZE, dimension.getLowestY() * TILE_SIZE, dimension.getWidth() * TILE_SIZE, dimension.getHeight() * TILE_SIZE);
final int terrainHeight = dimension.getIntHeightAt(centreX, centreY);
if (terrainHeight == Integer.MIN_VALUE) {
// Not on a tile
return;
}
final int waterLevel = dimension.getWaterLevelAt(centreX, centreY);
final boolean fluidPresent = waterLevel > terrainHeight;
if (inverse && (! fluidPresent)) {
// No point lowering the water level if there is no water...
return;
}
final GeneralQueueLinearFloodFiller.FillMethod fillMethod;
if (fluidPresent && (floodWithLava != dimension.getBitLayerValueAt(FloodWithLava.INSTANCE, centreX, centreY))) {
// There is fluid present of a different type; don't change the
// height, just change the type
if (floodWithLava) {
fillMethod = new FloodFillMethod("Changing water to lava", dimensionBounds) {
@Override public boolean isBoundary(int x, int y) {
final int height = dimension.getIntHeightAt(x, y);
return (height == Integer.MIN_VALUE) // Not on a tile
|| (dimension.getWaterLevelAt(x, y) <= height) // Not flooded
|| dimension.getBitLayerValueAt(FloodWithLava.INSTANCE, x, y); // Not water
}
@Override public void fill(int x, int y) {
dimension.setBitLayerValueAt(FloodWithLava.INSTANCE, x, y, true);
}
};
} else {
fillMethod = new FloodFillMethod("Changing lava to water", dimensionBounds) {
@Override public boolean isBoundary(int x, int y) {
final int height = dimension.getIntHeightAt(x, y);
return (height == Integer.MIN_VALUE) // Not on a tile
|| (dimension.getWaterLevelAt(x, y) <= height) // Not flooded
|| (! dimension.getBitLayerValueAt(FloodWithLava.INSTANCE, x, y)); // Not lava
}
@Override public void fill(int x, int y) {
dimension.setBitLayerValueAt(FloodWithLava.INSTANCE, x, y, false);
}
};
}
} else {
final int height = Math.max(terrainHeight, waterLevel);
if (inverse ? (height <= dimension.getMinHeight()) : (height >= (dimension.getMaxHeight() - 1))) {
// Already at the lowest or highest possible point
return;
}
final int floodToHeight = inverse ? (height - 1): (height + 1);
if (inverse) {
if (floodWithLava) {
fillMethod = new FloodFillMethod("Lowering lava level", dimensionBounds) {
@Override public boolean isBoundary(int x, int y) {
final int height = dimension.getIntHeightAt(x, y);
return (height == Integer.MIN_VALUE) // Not on a tile
|| (dimension.getWaterLevelAt(x, y) <= height) // Not flooded
|| (dimension.getWaterLevelAt(x, y) <= floodToHeight); // Already at the required level or lower
}
@Override public void fill(int x, int y) {
dimension.setWaterLevelAt(x, y, floodToHeight);
dimension.setBitLayerValueAt(FloodWithLava.INSTANCE, x, y, true);
}
};
} else {
fillMethod = new FloodFillMethod("Lowering water level", dimensionBounds) {
@Override public boolean isBoundary(int x, int y) {
final int height = dimension.getIntHeightAt(x, y);
return (height == Integer.MIN_VALUE) // Not on a tile
|| (dimension.getWaterLevelAt(x, y) <= height) // Not flooded
|| (dimension.getWaterLevelAt(x, y) <= floodToHeight); // Already at the required level or lower
}
@Override public void fill(int x, int y) {
dimension.setWaterLevelAt(x, y, floodToHeight);
dimension.setBitLayerValueAt(FloodWithLava.INSTANCE, x, y, false);
}
};
}
} else {
if (floodWithLava) {
fillMethod = new FloodFillMethod(fluidPresent ? "Raising lava level" : "Flooding with lava", dimensionBounds) {
@Override public boolean isBoundary(int x, int y) {
final int height = dimension.getIntHeightAt(x, y), waterLevel = dimension.getWaterLevelAt(x, y);
return (height == Integer.MIN_VALUE) // Not on a tile
|| (height >= floodToHeight) // Higher land encountered
|| (waterLevel >= floodToHeight); // Already at the required level or lower
}
@Override public void fill(int x, int y) {
dimension.setWaterLevelAt(x, y, floodToHeight);
dimension.setBitLayerValueAt(FloodWithLava.INSTANCE, x, y, true);
}
};
} else {
fillMethod = new FloodFillMethod(fluidPresent ? "Raising water level" : "Flooding with water", dimensionBounds) {
@Override public boolean isBoundary(int x, int y) {
final int height = dimension.getIntHeightAt(x, y), waterLevel = dimension.getWaterLevelAt(x, y);
return (height == Integer.MIN_VALUE) // Not on a tile
|| (height >= floodToHeight) // Higher land encountered
|| (waterLevel >= floodToHeight); // Already at the required level or higher
}
@Override public void fill(int x, int y) {
dimension.setWaterLevelAt(x, y, floodToHeight);
dimension.setBitLayerValueAt(FloodWithLava.INSTANCE, x, y, false);
}
};
}
}
}
synchronized (dimension) {
dimension.setEventsInhibited(true);
}
try {
synchronized (dimension) {
dimension.rememberChanges();
}
final GeneralQueueLinearFloodFiller flooder = new GeneralQueueLinearFloodFiller(fillMethod);
try {
if (! flooder.floodFill(centreX, centreY, SwingUtilities.getWindowAncestor(getView()))) {
// Cancelled by user
synchronized (dimension) {
if (dimension.undoChanges()) {
dimension.clearRedo();
dimension.armSavePoint();
}
}
return;
}
if (flooder.isBoundsHit()) {
JOptionPane.showMessageDialog(getView(), "The area to be flooded was too large and may not have been completely flooded.", "Area Too Large", JOptionPane.WARNING_MESSAGE);
}
} catch (IndexOutOfBoundsException e) {
// This most likely indicates that the area being flooded was too large
synchronized (dimension) {
if (dimension.undoChanges()) {
dimension.clearRedo();
dimension.armSavePoint();
}
}
JOptionPane.showMessageDialog(getView(), "The area to be flooded is too large or complex; please retry with a smaller area", "Area Too Large", JOptionPane.ERROR_MESSAGE);
}
} finally {
synchronized (dimension) {
dimension.setEventsInhibited(false);
}
}
} finally {
alreadyFlooding = false;
}
}
private boolean alreadyFlooding;
private final boolean floodWithLava;
private static final Logger logger = LoggerFactory.getLogger(Flood.class);
static abstract class FloodFillMethod implements GeneralQueueLinearFloodFiller.FillMethod {
protected FloodFillMethod(String description, Rectangle bounds) {
this.description = description;
this.bounds = bounds;
}
@Override
public String getDescription() {
return description;
}
@Override
public Rectangle getBounds() {
return bounds;
}
private final String description;
private final Rectangle bounds;
}
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