/**
* Generate a char[][] dungeon with extra features given a baseDungeon that has already been
* generated, and that already has staircases represented by greater than and less than signs.
* Typically, you want to call generate with a TilesetType or no argument for the easiest
* generation; this method is meant for adding features like water and doors to existing simple
* maps. This uses '#' for walls, '.' for floors, '~' for deep water, ',' for shallow water, '^'
* for traps, '+' for doors that provide horizontal passage, and '/' for doors that provide
* vertical passage. Use the addDoors, addWater, addGrass, and addTraps methods of this class to
* request these in the generated map. Also sets the fields stairsUp and stairsDown to null, and
* expects stairs to be already handled.
*
* @param baseDungeon a pre-made dungeon consisting of '#' for walls and '.' for floors, with
* stairs already in; may be modified in-place
* @return a char[][] dungeon
*/
public char[][] generateRespectingStairs(char[][] baseDungeon) {
if (!seedFixed) {
rebuildSeed = rng.getState();
}
seedFixed = false;
char[][] map = DungeonUtility.wallWrap(baseDungeon);
DijkstraMap dijkstra = new DijkstraMap(map);
stairsUp = null;
stairsDown = null;
dijkstra.clearGoals();
ArrayList<Coord> stairs = DungeonUtility.allMatching(map, '<', '>');
for (int j = 0; j < stairs.size(); j++) {
dijkstra.setGoal(stairs.get(j));
}
dijkstra.scan(null);
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
if (dijkstra.gradientMap[i][j] >= DijkstraMap.FLOOR) {
map[i][j] = '#';
}
}
}
return innerGenerate(map);
}
/**
* Generate a char[][] dungeon with extra features given a baseDungeon that has already been
* generated. Typically, you want to call generate with a TilesetType or no argument for the
* easiest generation; this method is meant for adding features like water and doors to existing
* simple maps. This uses '#' for walls, '.' for floors, '~' for deep water, ',' for shallow
* water, '^' for traps, '+' for doors that provide horizontal passage, and '/' for doors that
* provide vertical passage. Use the addDoors, addWater, addGrass, and addTraps methods of this
* class to request these in the generated map. Also sets the fields stairsUp and stairsDown to
* two randomly chosen, distant, connected, walkable cells. <br>
* Special behavior here: If tab characters are present in the 2D char array, they will be
* replaced with '.' in the final dungeon, but will also be tried first as valid staircase
* locations (with a high distance possible to travel away from the starting staircase). If no tab
* characters are present this will search for '.' floors to place stairs on, as normal. This
* tab-first behavior is useful in conjunction with some methods that establish a good path in an
* existing dungeon; an example is {@code DungeonUtility.ensurePath(dungeon, rng, '\t', '#');}
* then passing dungeon (which that code modifies) in as baseDungeon to this method.
*
* @param baseDungeon a pre-made dungeon consisting of '#' for walls and '.' for floors; may be
* modified in-place
* @return a char[][] dungeon
*/
public char[][] generate(char[][] baseDungeon) {
if (!seedFixed) {
rebuildSeed = rng.getState();
}
seedFixed = false;
char[][] map = DungeonUtility.wallWrap(baseDungeon);
width = map.length;
height = map[0].length;
DijkstraMap dijkstra = new DijkstraMap(map);
int frustrated = 0;
do {
dijkstra.clearGoals();
stairsUp = utility.randomMatchingTile(map, '\t');
if (stairsUp == null) {
stairsUp = utility.randomFloor(map);
if (stairsUp == null) {
frustrated++;
continue;
}
}
dijkstra.setGoal(stairsUp);
dijkstra.scan(null);
frustrated++;
} while (dijkstra.getMappedCount() < width + height && frustrated < 8);
if (frustrated >= 8) {
return generate();
}
double maxDijkstra = 0.0;
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
if (dijkstra.gradientMap[i][j] >= DijkstraMap.FLOOR) {
map[i][j] = '#';
} else if (dijkstra.gradientMap[i][j] > maxDijkstra) {
maxDijkstra = dijkstra.gradientMap[i][j];
}
if (map[i][j] == '\t') {
map[i][j] = '.';
}
}
}
stairsDown =
new GreasedRegion(dijkstra.gradientMap, maxDijkstra * 0.7, DijkstraMap.FLOOR)
.singleRandom(rng);
return innerGenerate(map);
}
private void postMove() {
phase = Phase.MONSTER_ANIM;
// The next two lines are important to avoid monsters treating cells the player WAS in as goals.
getToPlayer.clearGoals();
getToPlayer.resetMap();
// now that goals are cleared, we can mark the current player position as a goal.
getToPlayer.setGoal(player.gridX, player.gridY);
// this is an important piece of DijkstraMap usage; the argument is a Set of Points for squares
// that
// temporarily cannot be moved through (not walls, which are automatically known because the map
// char[][]
// was passed to the DijkstraMap constructor, but things like moving creatures and objects).
LinkedHashSet<Coord> monplaces = monsters.positions();
pathMap = getToPlayer.scan(monplaces);
// recalculate FOV, store it in fovmap for the render to use.
fovmap = fov.calculateFOV(res, player.gridX, player.gridY, 8, Radius.SQUARE);
// handle monster turns
ArrayList<Coord> nextMovePositions = new ArrayList<Coord>(25);
for (Coord pos : monsters.positions()) {
Monster mon = monsters.get(pos);
// monster values are used to store their aggression, 1 for actively stalking the player, 0
// for not.
if (mon.state > 0 || fovmap[pos.x][pos.y] > 0.1) {
if (mon.state == 0) {
messages.appendMessage(
"The PHANTOM cackles at you, \""
+ FakeLanguageGen.RUSSIAN_AUTHENTIC.sentence(
rng, 1, 3, new String[] {",", ",", ",", " -"}, new String[] {"!"}, 0.25)
+ "\"");
}
// this block is used to ensure that the monster picks the best path, or a random choice if
// there
// is more than one equally good best option.
Direction choice = null;
double best = 9999.0;
Direction[] ds = new Direction[8];
rng.shuffle(Direction.OUTWARDS, ds);
for (Direction d : ds) {
Coord tmp = pos.translate(d);
if (pathMap[tmp.x][tmp.y] < best && !checkOverlap(mon, tmp.x, tmp.y, nextMovePositions)) {
// pathMap is a 2D array of doubles where 0 is the goal (the player).
// we use best to store which option is closest to the goal.
best = pathMap[tmp.x][tmp.y];
choice = d;
}
}
if (choice != null) {
Coord tmp = pos.translate(choice);
// if we would move into the player, instead damage the player and give newMons the
// current
// position of this monster.
if (tmp.x == player.gridX && tmp.y == player.gridY) {
display.tint(player.gridX * 2, player.gridY, SColor.PURE_CRIMSON, 0, 0.415f);
display.tint(player.gridX * 2 + 1, player.gridY, SColor.PURE_CRIMSON, 0, 0.415f);
health--;
// player.setText("" + health);
monsters.positionalModify(pos, mon.change(1));
}
// otherwise store the new position in newMons.
else {
/*if (fovmap[mon.getKey().x][mon.getKey().y] > 0.0) {
display.put(mon.getKey().x, mon.getKey().y, 'M', 11);
}*/
nextMovePositions.add(tmp);
monsters.positionalModify(pos, mon.change(1));
monsters.move(pos, tmp);
display.slide(mon.entity, tmp.x, tmp.y);
}
} else {
monsters.positionalModify(pos, mon.change(1));
}
}
}
}
@Override
public void create() {
// gotta have a random number generator. Here the RNG is unseeded, which means a different
// dungeon every time,
// among many other changes.
rng = new RNG();
// seeds can be given easily to RNG's constructor. If you want to request the current state from
// a random number
// generator or change the state in the middle of usage, you need to use a StatefulRNG (or
// EditRNG) instead of a
// normal RNG; StatefulRNG and EditRNG can also be constructed with seeds like RNG can.
// rng = new RNG("seeeeeeeed");
// rng = new RNG(0xBADACE);
// for demo purposes, we allow changing the SquidColorCenter and the filter effect associated
// with it.
// next, we populate the colorCenters array with the SquidColorCenters that will modify any
// colors we request
// of them using the filter we specify. Only one SquidColorCenter will be used at any time for
// foreground, and
// sometimes another will be used for background.
colorCenters = new SquidColorCenter[18];
// MultiLerpFilter here is given two colors to tint everything toward one of; this is meant to
// reproduce the
// "Hollywood action movie poster" style of using primarily light orange (explosions) and
// gray-blue (metal).
colorCenters[0] =
new SquidColorCenter(
new Filters.MultiLerpFilter(
new Color[] {SColor.GAMBOGE_DYE, SColor.COLUMBIA_BLUE}, new float[] {0.25f, 0.2f}));
colorCenters[1] = colorCenters[0];
// MultiLerpFilter here is given three colors to tint everything toward one of; this is meant to
// look bolder.
colorCenters[2] =
new SquidColorCenter(
new Filters.MultiLerpFilter(
new Color[] {SColor.RED_PIGMENT, SColor.MEDIUM_BLUE, SColor.LIME_GREEN},
new float[] {0.2f, 0.25f, 0.25f}));
colorCenters[3] = colorCenters[2];
// ColorizeFilter here is given a slightly-grayish dark brown to imitate a sepia tone.
colorCenters[4] =
new SquidColorCenter(new Filters.ColorizeFilter(SColor.CLOVE_BROWN, 0.7f, -0.05f));
colorCenters[5] =
new SquidColorCenter(new Filters.ColorizeFilter(SColor.CLOVE_BROWN, 0.65f, 0.07f));
// HallucinateFilter makes all the colors very saturated and move even when you aren't doing
// anything.
colorCenters[6] = new SquidColorCenter(new Filters.HallucinateFilter());
colorCenters[7] = colorCenters[6];
// SaturationFilter here is used to over-saturate the colors slightly. Background is less
// saturated.
colorCenters[8] = new SquidColorCenter(new Filters.SaturationFilter(1.35f));
colorCenters[9] = new SquidColorCenter(new Filters.SaturationFilter(1.15f));
// SaturationFilter here is used to de-saturate the colors slightly. Background is less
// saturated.
colorCenters[10] = new SquidColorCenter(new Filters.SaturationFilter(0.7f));
colorCenters[11] = new SquidColorCenter(new Filters.SaturationFilter(0.5f));
// WiggleFilter here is used to randomize the colors slightly.
colorCenters[12] = new SquidColorCenter(new Filters.WiggleFilter());
colorCenters[13] = colorCenters[12];
// SaturationFilter here is used to de-saturate the colors slightly. Background is less
// saturated.
colorCenters[14] = new SquidColorCenter(new Filters.PaletteFilter(SColor.BLUE_GREEN_SERIES));
colorCenters[15] = new SquidColorCenter(new Filters.PaletteFilter(SColor.ACHROMATIC_SERIES));
colorCenters[16] = DefaultResources.getSCC();
colorCenters[17] = colorCenters[16];
fgCenter = colorCenters[16];
bgCenter = colorCenters[17];
currentCenter = 8;
batch = new SpriteBatch();
width = 60;
height = 30;
// NOTE: cellWidth and cellHeight are assigned values that are significantly larger than the
// corresponding sizes
// in the EverythingDemoLauncher's main method. Because they are scaled up by an integer here,
// they can be scaled
// down when rendered, allowing certain small details to appear sharper. This _only_ works with
// distance field,
// a.k.a. stretchable, fonts! INTERNAL_ZOOM is a tradeoff between rendering more pixels to
// increase quality (when
// values are high) or rendering fewer pixels for speed (when values are low). Using 2 seems to
// work well.
cellWidth = 13 * INTERNAL_ZOOM;
cellHeight = 26 * INTERNAL_ZOOM;
// getStretchableFont loads an embedded font, Inconsolata-LGC-Custom, that is a distance field
// font as mentioned
// earlier. We set the smoothing multiplier on it only because we are using internal zoom to
// increase sharpness
// on small details, but if the smoothing is incorrect some sizes look blurry or over-sharpened.
// This can be set
// manually if you use a constant internal zoom; here we use 1f for internal zoom 1, about 2/3f
// for zoom 2, and
// about 1/2f for zoom 3. If you have more zooms as options for some reason, this formula should
// hold for many
// cases but probably not all.
textFactory =
DefaultResources.getStretchableFont()
.setSmoothingMultiplier(2f / (INTERNAL_ZOOM + 1f))
.width(cellWidth)
.height(cellHeight)
.initBySize();
// Creates a layered series of text grids in a SquidLayers object, using the previously set-up
// textFactory and
// SquidColorCenters.
display =
new SquidLayers(
width * 2, height, cellWidth, cellHeight, textFactory.copy(), bgCenter, fgCenter);
// subCell is a SquidPanel, the same class that SquidLayers has for each of its layers, but we
// want to render
// certain effects on top of all other panels, which can't be done in the all-in-one-pass
// rendering of the grids
// in SquidLayers, though it could be done with a slight hassle if the effects are made into
// AnimatedEntity
// objects or Actors, then rendered separately like the monsters are (see render() below). It is
// called subCell
// because its text will be made smaller than a full cell, and appears in the upper left corner
// for things like
// the current health of the player and an '!' for alerted monsters.
subCell = new SquidPanel(width * 2, height, textFactory.copy(), fgCenter);
display.setAnimationDuration(0.1f);
messages = new SquidMessageBox(width * 2, 4, textFactory.copy());
// a bit of a hack to increase the text height slightly without changing the size of the cells
// they're in.
// this causes a tiny bit of overlap between cells, which gets rid of an annoying gap between
// vertical lines.
// if you use '#' for walls instead of box drawing chars, you don't need this.
messages.setTextSize(cellWidth, cellHeight + INTERNAL_ZOOM * 2);
display.setTextSize(cellWidth, cellHeight + INTERNAL_ZOOM * 2);
// The subCell SquidPanel uses a smaller size here; the numbers 8 and 16 should change if
// cellWidth or cellHeight
// change, and the INTERNAL_ZOOM multiplier keeps things sharp, the same as it does all over
// here.
subCell.setTextSize(8 * INTERNAL_ZOOM, 16 * INTERNAL_ZOOM);
viewport = new StretchViewport(width * 2 * cellWidth, (height + 4) * cellHeight);
stage = new Stage(viewport, batch);
// These need to have their positions set before adding any entities if there is an offset
// involved.
messages.setBounds(0, 0, cellWidth * width * 2, cellHeight * 4);
display.setPosition(0, messages.getHeight());
subCell.setPosition(0, messages.getHeight());
messages.appendWrappingMessage(
"Use numpad or vi-keys (hjklyubn) to move. Use ? for help, f to change colors, q to quit."
+ " Click the top or bottom border of this box to scroll.");
counter = 0;
dungeonGen = new SectionDungeonGenerator(width, height, rng);
dungeonGen.addWater(SectionDungeonGenerator.ALL, 8, 6);
dungeonGen.addGrass(SectionDungeonGenerator.CAVE, 5);
dungeonGen.addBoulders(SectionDungeonGenerator.CAVE, 10);
dungeonGen.addDoors(18, false);
dungeonGen.addMaze(8);
SerpentMapGenerator serpent = new SerpentMapGenerator(width, height, rng);
serpent.putCaveCarvers(2);
serpent.putWalledBoxRoomCarvers(2);
serpent.putWalledRoundRoomCarvers(1);
char[][] mg = serpent.generate();
decoDungeon = dungeonGen.generate(mg, serpent.getEnvironment());
Coord pl = dungeonGen.stairsUp, tgt = dungeonGen.stairsDown;
decoDungeon[pl.x][pl.y] = '<';
decoDungeon[tgt.x][tgt.y] = '>';
// DefaultResources has not only default fonts but now also default icons.
// These need the actual assets to be downloaded as part of the zip or tar.gz
// archive of assets, or separately fetched from GitHub in the assets/ folder.
atlas = DefaultResources.getIconAtlas();
region = atlas.findRegion("haunting");
// change the TilesetType to lots of different choices to see what dungeon works best.
// bareDungeon = dungeonGen.generate(TilesetType.DEFAULT_DUNGEON);
bareDungeon = dungeonGen.getBareDungeon();
lineDungeon = DungeonUtility.doubleWidth(DungeonUtility.hashesToLines(decoDungeon, true));
// it's more efficient to get random floors from a packed set containing only (compressed) floor
// positions.
short[] placement = CoordPacker.pack(bareDungeon, '.');
// Coord pl = dungeonGen.utility.randomCell(placement);
placement = CoordPacker.removeSeveralPacked(placement, pl, tgt);
int numMonsters = 60;
monsters = new SpatialMap<Integer, Monster>(numMonsters);
for (int i = 0; i < numMonsters; i++) {
Coord monPos = dungeonGen.utility.randomCell(placement);
placement = CoordPacker.removePacked(placement, monPos.x, monPos.y);
monsters.put(
monPos,
i,
new Monster(
display.animateActor(
monPos.x, monPos.y, region, fgCenter.filter(display.getPalette().get(11)), true),
0));
// monsters.put(monPos, i, new Monster(display.animateActor(monPos.x, monPos.y, 'Я',
// fgCenter.filter(display.getPalette().get(11))), 0));
}
// your choice of FOV matters here.
fov = new FOV(FOV.RIPPLE_TIGHT);
res = DungeonUtility.generateResistances(decoDungeon);
fovmap = fov.calculateFOV(res, pl.x, pl.y, 8, Radius.SQUARE);
getToPlayer = new DijkstraMap(decoDungeon, DijkstraMap.Measurement.CHEBYSHEV);
getToPlayer.rng = rng;
getToPlayer.setGoal(pl);
pathMap = getToPlayer.scan(null);
player =
display.animateActor(
pl.x,
pl.y,
'@',
fgCenter.loopingGradient(SColor.CAPE_JASMINE, SColor.HAN_PURPLE, 45),
1.5f,
true);
// fgCenter.filter(display.getPalette().get(30)));
cursor = Coord.get(-1, -1);
toCursor = new ArrayList<Coord>(10);
awaitedMoves = new ArrayList<Coord>(10);
playerToCursor = new DijkstraMap(decoDungeon, DijkstraMap.Measurement.EUCLIDEAN);
final int[][] initialColors = DungeonUtility.generatePaletteIndices(lineDungeon),
initialBGColors = DungeonUtility.generateBGPaletteIndices(lineDungeon);
colors = new Color[width * 2][height];
bgColors = new Color[width * 2][height];
ArrayList<Color> palette = display.getPalette();
bgColor = SColor.DARK_SLATE_GRAY;
for (int i = 0; i < width * 2; i++) {
for (int j = 0; j < height; j++) {
colors[i][j] = palette.get(initialColors[i][j]);
bgColors[i][j] = palette.get(initialBGColors[i][j]);
}
}
lights = DungeonUtility.generateLightnessModifiers(decoDungeon, counter);
seen = new boolean[width][height];
lang =
FakeLanguageGen.RUSSIAN_AUTHENTIC.sentence(
rng, 4, 6, new String[] {",", ",", ",", " -"}, new String[] {"..."}, 0.25);
// this is a big one.
// SquidInput can be constructed with a KeyHandler (which just processes specific keypresses), a
// SquidMouse
// (which is given an InputProcessor implementation and can handle multiple kinds of mouse
// move), or both.
// keyHandler is meant to be able to handle complex, modified key input, typically for games
// that distinguish
// between, say, 'q' and 'Q' for 'quaff' and 'Quip' or whatever obtuse combination you choose.
// The
// implementation here handles hjklyubn keys for 8-way movement, numpad for 8-way movement,
// arrow keys for
// 4-way movement, and wasd for 4-way movement. Shifted letter keys produce capitalized chars
// when passed to
// KeyHandler.handle(), but we don't care about that so we just use two case statements with the
// same body,
// one for the lower case letter and one for the upper case letter.
// You can also set up a series of future moves by clicking within FOV range, using mouseMoved
// to determine the
// path to the mouse position with a DijkstraMap (called playerToCursor), and using touchUp to
// actually trigger
// the event when someone clicks.
input =
new VisualInput(
new SquidInput.KeyHandler() {
@Override
public void handle(char key, boolean alt, boolean ctrl, boolean shift) {
switch (key) {
case SquidInput.UP_ARROW:
case 'k':
case 'w':
case 'K':
case 'W':
{
move(0, -1);
break;
}
case SquidInput.DOWN_ARROW:
case 'j':
case 's':
case 'J':
case 'S':
{
move(0, 1);
break;
}
case SquidInput.LEFT_ARROW:
case 'h':
case 'a':
case 'H':
case 'A':
{
move(-1, 0);
break;
}
case SquidInput.RIGHT_ARROW:
case 'l':
case 'd':
case 'L':
case 'D':
{
move(1, 0);
break;
}
case SquidInput.UP_LEFT_ARROW:
case 'y':
case 'Y':
{
move(-1, -1);
break;
}
case SquidInput.UP_RIGHT_ARROW:
case 'u':
case 'U':
{
move(1, -1);
break;
}
case SquidInput.DOWN_RIGHT_ARROW:
case 'n':
case 'N':
{
move(1, 1);
break;
}
case SquidInput.DOWN_LEFT_ARROW:
case 'b':
case 'B':
{
move(-1, 1);
break;
}
case '?':
{
toggleHelp();
break;
}
case 'Q':
case 'q':
case SquidInput.ESCAPE:
{
Gdx.app.exit();
break;
}
case 'f':
case 'F':
{
currentCenter = (currentCenter + 1) % 9;
// idx is 3 when we use the HallucinateFilter, which needs special work
changingColors = currentCenter == 3;
fgCenter = colorCenters[currentCenter * 2];
bgCenter = colorCenters[currentCenter * 2 + 1];
display.setFGColorCenter(fgCenter);
display.setBGColorCenter(bgCenter);
break;
}
}
}
},
new SquidMouse(
cellWidth,
cellHeight,
width * 2,
height,
0,
0,
new InputAdapter() {
// if the user clicks within FOV range and there are no awaitedMoves queued up,
// generate toCursor if it
// hasn't been generated already by mouseMoved, then copy it over to awaitedMoves.
@Override
public boolean touchUp(int screenX, int screenY, int pointer, int button) {
if (fovmap[(screenX) / 2][screenY] > 0.0 && awaitedMoves.isEmpty()) {
if (toCursor.isEmpty()) {
cursor = Coord.get((screenX) / 2, screenY);
// Uses DijkstraMap to get a path. from the player's position to the cursor
toCursor =
playerToCursor.findPath(
30, null, null, Coord.get(player.gridX, player.gridY), cursor);
}
awaitedMoves = new ArrayList<Coord>(toCursor);
}
return false;
}
@Override
public boolean touchDragged(int screenX, int screenY, int pointer) {
return mouseMoved(screenX, screenY);
}
// causes the path to the mouse position to become highlighted (toCursor contains
// a list of points that
// receive highlighting). Uses DijkstraMap.findPath() to find the path, which is
// surprisingly fast.
@Override
public boolean mouseMoved(int screenX, int screenY) {
if (!awaitedMoves.isEmpty()) return false;
if (cursor.x == screenX && cursor.y == screenY) {
return false;
}
if (fovmap[(screenX) / 2][screenY] > 0.0) {
cursor = Coord.get((screenX) / 2, screenY);
// Uses DijkstraMap to get a path. from the player's position to the cursor
toCursor =
playerToCursor.findPath(
30, null, null, Coord.get(player.gridX, player.gridY), cursor);
}
return false;
}
}));
// set this to true to test visual input on desktop
input.forceButtons = false;
// actions to give names to in the visual input menu
input.init("filter", "??? help?", "quit");
// ABSOLUTELY NEEDED TO HANDLE INPUT
Gdx.input.setInputProcessor(new InputMultiplexer(input, stage));
subCell.setOffsetY(messages.getGridHeight() * cellHeight);
// and then add display and messages, our two visual components, to the list of things that act
// in Stage.
stage.addActor(display);
// stage.addActor(subCell); // this is not added since it is manually drawn after other steps
stage.addActor(messages);
viewport = input.resizeInnerStage(stage);
}