001/*
002 * PlotSquared, a land and world management plugin for Minecraft.
003 * Copyright (C) IntellectualSites <https://intellectualsites.com>
004 * Copyright (C) IntellectualSites team and contributors
005 *
006 * This program is free software: you can redistribute it and/or modify
007 * it under the terms of the GNU General Public License as published by
008 * the Free Software Foundation, either version 3 of the License, or
009 * (at your option) any later version.
010 *
011 * This program is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014 * GNU General Public License for more details.
015 *
016 * You should have received a copy of the GNU General Public License
017 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
018 */
019package com.plotsquared.core.generator;
020
021import com.google.inject.Inject;
022import com.google.inject.assistedinject.Assisted;
023import com.intellectualsites.annotations.DoNotUse;
024import com.plotsquared.core.PlotSquared;
025import com.plotsquared.core.configuration.ConfigurationSection;
026import com.plotsquared.core.configuration.Settings;
027import com.plotsquared.core.configuration.file.YamlConfiguration;
028import com.plotsquared.core.inject.annotations.WorldConfig;
029import com.plotsquared.core.inject.factory.ProgressSubscriberFactory;
030import com.plotsquared.core.location.Location;
031import com.plotsquared.core.plot.Plot;
032import com.plotsquared.core.plot.PlotArea;
033import com.plotsquared.core.plot.PlotId;
034import com.plotsquared.core.plot.PlotManager;
035import com.plotsquared.core.plot.schematic.Schematic;
036import com.plotsquared.core.queue.GlobalBlockQueue;
037import com.plotsquared.core.util.FileUtils;
038import com.plotsquared.core.util.MathMan;
039import com.plotsquared.core.util.SchematicHandler;
040import com.sk89q.jnbt.CompoundTag;
041import com.sk89q.jnbt.CompoundTagBuilder;
042import com.sk89q.worldedit.entity.Entity;
043import com.sk89q.worldedit.extent.clipboard.Clipboard;
044import com.sk89q.worldedit.extent.transform.BlockTransformExtent;
045import com.sk89q.worldedit.internal.helper.MCDirections;
046import com.sk89q.worldedit.math.BlockVector2;
047import com.sk89q.worldedit.math.BlockVector3;
048import com.sk89q.worldedit.math.Vector3;
049import com.sk89q.worldedit.math.transform.AffineTransform;
050import com.sk89q.worldedit.util.Direction;
051import com.sk89q.worldedit.world.biome.BiomeType;
052import com.sk89q.worldedit.world.block.BaseBlock;
053import org.apache.logging.log4j.LogManager;
054import org.apache.logging.log4j.Logger;
055import org.checkerframework.checker.nullness.qual.NonNull;
056import org.checkerframework.checker.nullness.qual.Nullable;
057
058import java.io.File;
059import java.lang.reflect.Field;
060import java.util.ArrayList;
061import java.util.HashMap;
062import java.util.List;
063import java.util.Locale;
064
065public class HybridPlotWorld extends ClassicPlotWorld {
066
067    private static final Logger LOGGER = LogManager.getLogger("PlotSquared/" + HybridPlotWorld.class.getSimpleName());
068    private static final AffineTransform transform = new AffineTransform().rotateY(90);
069    public boolean ROAD_SCHEMATIC_ENABLED;
070    public boolean PLOT_SCHEMATIC = false;
071    public short PATH_WIDTH_LOWER;
072    public short PATH_WIDTH_UPPER;
073    public HashMap<Integer, BaseBlock[]> G_SCH;
074    public HashMap<Integer, BiomeType> G_SCH_B;
075    /**
076     * The Y level at which schematic generation will start, lowest of either road or plot schematic generation.
077     */
078    public int SCHEM_Y;
079
080    private int plotY;
081    private int roadY;
082    private Location SIGN_LOCATION;
083    private File root = null;
084    private int lastOverlayHeightError = Integer.MIN_VALUE;
085    private List<Entity> schem3Entities = null;
086    private BlockVector3 schem3MinPoint = null;
087    private boolean schem1PopulationNeeded = false;
088    private boolean schem2PopulationNeeded = false;
089    private boolean schem3PopulationNeeded = false;
090
091    @Inject
092    private SchematicHandler schematicHandler;
093
094    @Inject
095    public HybridPlotWorld(
096            @Assisted("world") final String worldName,
097            @javax.annotation.Nullable @Assisted("id") final String id,
098            @Assisted final @NonNull IndependentPlotGenerator generator,
099            @javax.annotation.Nullable @Assisted("min") final PlotId min,
100            @javax.annotation.Nullable @Assisted("max") final PlotId max,
101            @WorldConfig final @NonNull YamlConfiguration worldConfiguration,
102            final @NonNull GlobalBlockQueue blockQueue
103    ) {
104        super(worldName, id, generator, min, max, worldConfiguration, blockQueue);
105        PlotSquared.platform().injector().injectMembers(this);
106    }
107
108    public static BaseBlock rotate(BaseBlock id) {
109
110        CompoundTag tag = id.getNbtData();
111
112        if (tag != null) {
113            // Handle blocks which store their rotation in NBT
114            if (tag.containsKey("Rot")) {
115                int rot = tag.asInt("Rot");
116
117                Direction direction = MCDirections.fromRotation(rot);
118
119                if (direction != null) {
120                    Vector3 vector = transform.apply(direction.toVector()).subtract(transform.apply(Vector3.ZERO)).normalize();
121                    Direction newDirection =
122                            Direction.findClosest(
123                                    vector,
124                                    Direction.Flag.CARDINAL | Direction.Flag.ORDINAL | Direction.Flag.SECONDARY_ORDINAL
125                            );
126
127                    if (newDirection != null) {
128                        CompoundTagBuilder builder = tag.createBuilder();
129
130                        builder.putByte("Rot", (byte) MCDirections.toRotation(newDirection));
131
132                        id.setNbtData(builder.build());
133                    }
134                }
135            }
136        }
137        return BlockTransformExtent.transform(id, transform);
138    }
139
140    @NonNull
141    @Override
142    protected PlotManager createManager() {
143        return new HybridPlotManager(this, PlotSquared.platform().regionManager(),
144                PlotSquared.platform().injector().getInstance(ProgressSubscriberFactory.class)
145        );
146    }
147
148    public Location getSignLocation(@NonNull Plot plot) {
149        plot = plot.getBasePlot(false);
150        final Location bot = plot.getBottomAbs();
151        if (SIGN_LOCATION == null) {
152            return bot.withY(ROAD_HEIGHT + 1).add(-1, 0, -2);
153        } else {
154            return bot.withY(0).add(SIGN_LOCATION.getX(), SIGN_LOCATION.getY(), SIGN_LOCATION.getZ());
155        }
156    }
157
158    /**
159     * <p>This method is called when a world loads. Make sure you set all your constants here. You are provided with the
160     * configuration section for that specific world.</p>
161     */
162    @Override
163    public void loadConfiguration(ConfigurationSection config) {
164        super.loadConfiguration(config);
165        if ((this.ROAD_WIDTH & 1) == 0) {
166            this.PATH_WIDTH_LOWER = (short) (Math.floor(this.ROAD_WIDTH / 2f) - 1);
167        } else {
168            this.PATH_WIDTH_LOWER = (short) Math.floor(this.ROAD_WIDTH / 2f);
169        }
170        if (this.ROAD_WIDTH == 0) {
171            this.PATH_WIDTH_UPPER = (short) (this.SIZE + 1);
172        } else {
173            this.PATH_WIDTH_UPPER = (short) (this.PATH_WIDTH_LOWER + this.PLOT_WIDTH + 1);
174        }
175        try {
176            setupSchematics();
177        } catch (Exception event) {
178            event.printStackTrace();
179        }
180
181        // Dump world settings
182        if (Settings.DEBUG) {
183            LOGGER.info("- Dumping settings for ClassicPlotWorld with name {}", this.getWorldName());
184            final Field[] fields = this.getClass().getFields();
185            for (final Field field : fields) {
186                final String name = field.getName().toLowerCase(Locale.ENGLISH);
187                if (name.contains("g_sch")) {
188                    continue;
189                }
190                Object value;
191                try {
192                    final boolean accessible = field.isAccessible();
193                    field.setAccessible(true);
194                    value = field.get(this);
195                    field.setAccessible(accessible);
196                } catch (final IllegalAccessException e) {
197                    value = String.format("Failed to parse: %s", e.getMessage());
198                }
199                LOGGER.info("-- {} = {}", name, value);
200            }
201        }
202    }
203
204    @Override
205    public boolean isCompatible(final @NonNull PlotArea plotArea) {
206        if (!(plotArea instanceof SquarePlotWorld)) {
207            return false;
208        }
209        return ((SquarePlotWorld) plotArea).PLOT_WIDTH == this.PLOT_WIDTH;
210    }
211
212    public void setupSchematics() throws SchematicHandler.UnsupportedFormatException {
213        this.G_SCH = new HashMap<>();
214        this.G_SCH_B = new HashMap<>();
215
216        // Try to determine root. This means that plot areas can have separate schematic
217        // directories
218        if (!(root =
219                FileUtils.getFile(
220                        PlotSquared.platform().getDirectory(),
221                        "schematics/GEN_ROAD_SCHEMATIC/" + this.getWorldName() + "/" + this.getId()
222                ))
223                .exists()) {
224            root = FileUtils.getFile(
225                    PlotSquared.platform().getDirectory(),
226                    "schematics/GEN_ROAD_SCHEMATIC/" + this.getWorldName()
227            );
228        }
229
230        File schematic1File = new File(root, "sideroad.schem");
231        if (!schematic1File.exists()) {
232            schematic1File = new File(root, "sideroad.schematic");
233        }
234        File schematic2File = new File(root, "intersection.schem");
235        if (!schematic2File.exists()) {
236            schematic2File = new File(root, "intersection.schematic");
237        }
238        File schematic3File = new File(root, "plot.schem");
239        if (!schematic3File.exists()) {
240            schematic3File = new File(root, "plot.schematic");
241        }
242        Schematic schematic1 = this.schematicHandler.getSchematic(schematic1File);
243        Schematic schematic2 = this.schematicHandler.getSchematic(schematic2File);
244        Schematic schematic3 = this.schematicHandler.getSchematic(schematic3File);
245
246        // If the plot schematic contains entities, then they need to be populated upon generation.
247        if (schematic3 != null && !schematic3.getClipboard().getEntities().isEmpty()) {
248            this.schem3Entities = new ArrayList<>(schematic3.getClipboard().getEntities());
249            this.schem3MinPoint = schematic3.getClipboard().getMinimumPoint();
250            this.schem3PopulationNeeded = true;
251        }
252
253        int shift = this.ROAD_WIDTH / 2;
254        int oddshift = (this.ROAD_WIDTH & 1);
255
256        SCHEM_Y = schematicStartHeight();
257
258        // plotY and roadY are important to allow plot and/or road schematic "overflow" into each other
259        // without causing AIOOB exceptions when attempting either to set blocks to, or get block from G_SCH
260        // Default plot schematic start height, normalized to the minimum height schematics are pasted from.
261        plotY = PLOT_HEIGHT - SCHEM_Y;
262        int minRoadWall = Settings.Schematics.USE_WALL_IN_ROAD_SCHEM_HEIGHT ? Math.min(ROAD_HEIGHT, WALL_HEIGHT) : ROAD_HEIGHT;
263        // Default road schematic start height, normalized to the minimum height schematics are pasted from.
264        roadY = minRoadWall - SCHEM_Y;
265
266        int worldGenHeight = getMaxGenHeight() - getMinGenHeight() + 1;
267
268        int plotSchemHeight = 0;
269
270        // SCHEM_Y should be normalised to the plot "start" height
271        if (schematic3 != null) {
272            plotSchemHeight = schematic3.getClipboard().getDimensions().getY();
273            if (plotSchemHeight == worldGenHeight) {
274                SCHEM_Y = getMinGenHeight();
275                plotY = 0;
276            } else if (!Settings.Schematics.PASTE_ON_TOP) {
277                SCHEM_Y = getMinGenHeight();
278                plotY = 0;
279            }
280        }
281
282        int roadSchemHeight = 0;
283
284        if (schematic1 != null) {
285            roadSchemHeight = Math.max(
286                    schematic1.getClipboard().getDimensions().getY(),
287                    schematic2.getClipboard().getDimensions().getY()
288            );
289            if (roadSchemHeight == worldGenHeight) {
290                SCHEM_Y = getMinGenHeight();
291                roadY = 0; // Road is the lowest schematic
292                if (schematic3 != null && schematic3.getClipboard().getDimensions().getY() != worldGenHeight) {
293                    // Road is the lowest schematic. Normalize plotY to it.
294                    if (Settings.Schematics.PASTE_ON_TOP) {
295                        plotY = PLOT_HEIGHT - getMinGenHeight();
296                    }
297                }
298            } else if (!Settings.Schematics.PASTE_ROAD_ON_TOP) {
299                roadY = 0;
300                SCHEM_Y = getMinGenHeight();
301                if (schematic3 != null) {
302                    if (Settings.Schematics.PASTE_ON_TOP) {
303                        // Road is the lowest schematic. Normalize plotY to it.
304                        plotY = PLOT_HEIGHT - SCHEM_Y;
305                    }
306                }
307            } else {
308                roadY = minRoadWall - SCHEM_Y;
309            }
310        }
311        int maxSchematicHeight = Math.max(plotY + plotSchemHeight, roadY + roadSchemHeight);
312
313        if (schematic3 != null) {
314            this.PLOT_SCHEMATIC = true;
315            Clipboard blockArrayClipboard3 = schematic3.getClipboard();
316
317            BlockVector3 d3 = blockArrayClipboard3.getDimensions();
318            short w3 = (short) d3.getX();
319            short l3 = (short) d3.getZ();
320            short h3 = (short) d3.getY();
321            if (w3 > PLOT_WIDTH || l3 > PLOT_WIDTH) {
322                this.ROAD_SCHEMATIC_ENABLED = true;
323            }
324            int centerShiftZ;
325            if (l3 < this.PLOT_WIDTH) {
326                centerShiftZ = (this.PLOT_WIDTH - l3) / 2;
327            } else {
328                centerShiftZ = (PLOT_WIDTH - l3) / 2;
329            }
330            int centerShiftX;
331            if (w3 < this.PLOT_WIDTH) {
332                centerShiftX = (this.PLOT_WIDTH - w3) / 2;
333            } else {
334                centerShiftX = (PLOT_WIDTH - w3) / 2;
335            }
336
337            BlockVector3 min = blockArrayClipboard3.getMinimumPoint();
338            for (short x = 0; x < w3; x++) {
339                for (short z = 0; z < l3; z++) {
340                    for (short y = 0; y < h3; y++) {
341                        BaseBlock id = blockArrayClipboard3.getFullBlock(BlockVector3.at(
342                                x + min.getBlockX(),
343                                y + min.getBlockY(),
344                                z + min.getBlockZ()
345                        ));
346                        schem3PopulationNeeded |= id.hasNbtData();
347                        addOverlayBlock(
348                                (short) (x + shift + oddshift + centerShiftX),
349                                (short) (y + plotY),
350                                (short) (z + shift + oddshift + centerShiftZ),
351                                id,
352                                false,
353                                maxSchematicHeight
354                        );
355                    }
356                    if (blockArrayClipboard3.hasBiomes()) {
357                        BiomeType biome = blockArrayClipboard3.getBiome(BlockVector2.at(
358                                x + min.getBlockX(),
359                                z + min.getBlockZ()
360                        ));
361                        addOverlayBiome(
362                                (short) (x + shift + oddshift + centerShiftX),
363                                (short) (z + shift + oddshift + centerShiftZ),
364                                biome
365                        );
366                    }
367                }
368            }
369
370            if (Settings.DEBUG) {
371                LOGGER.info("- plot schematic: {}", schematic3File.getPath());
372            }
373        }
374        if ((schematic1 == null && schematic2 == null) || this.ROAD_WIDTH == 0) {
375            if (Settings.DEBUG) {
376                LOGGER.info("- road schematic: false");
377            }
378            return;
379        }
380        this.ROAD_SCHEMATIC_ENABLED = true;
381        // Do not populate road if using schematic population
382        // TODO: What? this.ROAD_BLOCK = BlockBucket.empty(); // BlockState.getEmptyData(this.ROAD_BLOCK); // BlockUtil.get(this.ROAD_BLOCK.id, (byte) 0);
383
384        Clipboard blockArrayClipboard1 = schematic1.getClipboard();
385
386        BlockVector3 d1 = blockArrayClipboard1.getDimensions();
387        short w1 = (short) d1.getX();
388        short l1 = (short) d1.getZ();
389        short h1 = (short) d1.getY();
390        // Workaround for schematic height issue if proper calculation of road schematic height is disabled
391        if (!Settings.Schematics.USE_WALL_IN_ROAD_SCHEM_HEIGHT) {
392            h1 += Math.max(ROAD_HEIGHT - WALL_HEIGHT, 0);
393        }
394
395        BlockVector3 min = blockArrayClipboard1.getMinimumPoint();
396        for (short x = 0; x < w1; x++) {
397            for (short z = 0; z < l1; z++) {
398                for (short y = 0; y < h1; y++) {
399                    BaseBlock id = blockArrayClipboard1.getFullBlock(BlockVector3.at(
400                            x + min.getBlockX(),
401                            y + min.getBlockY(),
402                            z + min.getBlockZ()
403                    ));
404                    schem1PopulationNeeded |= id.hasNbtData();
405                    addOverlayBlock(
406                            (short) (x - shift),
407                            (short) (y + roadY),
408                            (short) (z + shift + oddshift),
409                            id,
410                            false,
411                            maxSchematicHeight
412                    );
413                    addOverlayBlock(
414                            (short) (z + shift + oddshift),
415                            (short) (y + roadY),
416                            (short) (shift - x + (oddshift - 1)),
417                            id,
418                            true,
419                            maxSchematicHeight
420                    );
421                }
422                if (blockArrayClipboard1.hasBiomes()) {
423                    BiomeType biome = blockArrayClipboard1.getBiome(BlockVector2.at(x + min.getBlockX(), z + min.getBlockZ()));
424                    addOverlayBiome((short) (x - shift), (short) (z + shift + oddshift), biome);
425                    addOverlayBiome((short) (z + shift + oddshift), (short) (shift - x + (oddshift - 1)), biome);
426                }
427            }
428        }
429
430        Clipboard blockArrayClipboard2 = schematic2.getClipboard();
431        BlockVector3 d2 = blockArrayClipboard2.getDimensions();
432        short w2 = (short) d2.getX();
433        short l2 = (short) d2.getZ();
434        short h2 = (short) d2.getY();
435        // Workaround for schematic height issue if proper calculation of road schematic height is disabled
436        if (!Settings.Schematics.USE_WALL_IN_ROAD_SCHEM_HEIGHT) {
437            h2 += Math.max(ROAD_HEIGHT - WALL_HEIGHT, 0);
438        }
439        min = blockArrayClipboard2.getMinimumPoint();
440        for (short x = 0; x < w2; x++) {
441            for (short z = 0; z < l2; z++) {
442                for (short y = 0; y < h2; y++) {
443                    BaseBlock id = blockArrayClipboard2.getFullBlock(BlockVector3.at(
444                            x + min.getBlockX(),
445                            y + min.getBlockY(),
446                            z + min.getBlockZ()
447                    ));
448                    schem2PopulationNeeded |= id.hasNbtData();
449                    addOverlayBlock(
450                            (short) (x - shift),
451                            (short) (y + roadY),
452                            (short) (z - shift),
453                            id,
454                            false,
455                            maxSchematicHeight
456                    );
457                }
458                if (blockArrayClipboard2.hasBiomes()) {
459                    BiomeType biome = blockArrayClipboard2.getBiome(BlockVector2.at(x + min.getBlockX(), z + min.getBlockZ()));
460                    addOverlayBiome((short) (x - shift), (short) (z - shift), biome);
461                }
462            }
463        }
464    }
465
466    private void addOverlayBlock(short x, short y, short z, BaseBlock id, boolean rotate, int height) {
467        if (z < 0) {
468            z += this.SIZE;
469        } else if (z >= this.SIZE) {
470            z -= this.SIZE;
471        }
472        if (x < 0) {
473            x += this.SIZE;
474        } else if (x >= this.SIZE) {
475            x -= this.SIZE;
476        }
477        if (rotate) {
478            id = rotate(id);
479        }
480        int pair = MathMan.pair(x, z);
481        BaseBlock[] existing = this.G_SCH.computeIfAbsent(pair, k -> new BaseBlock[height]);
482        if (y >= height) {
483            if (y > lastOverlayHeightError) {
484                lastOverlayHeightError = y;
485                LOGGER.error(
486                        "Error adding overlay block in world {}. `y > height`. y={}, height={}",
487                        getWorldName(),
488                        y,
489                        height
490                );
491            }
492            return;
493        }
494        existing[y] = id;
495    }
496
497    private void addOverlayBiome(short x, short z, BiomeType id) {
498        if (z < 0) {
499            z += this.SIZE;
500        } else if (z >= this.SIZE) {
501            z -= this.SIZE;
502        }
503        if (x < 0) {
504            x += this.SIZE;
505        } else if (x >= this.SIZE) {
506            x -= this.SIZE;
507        }
508        int pair = MathMan.pair(x, z);
509        this.G_SCH_B.put(pair, id);
510    }
511
512    /**
513     * Get the entities contained within the plot schematic for generation. Intended for internal use only.
514     *
515     * @since 6.9.0
516     */
517    @DoNotUse
518    public @Nullable List<Entity> getPlotSchematicEntities() {
519        return schem3Entities;
520    }
521
522    /**
523     * Get the minimum point of the plot schematic for generation. Intended for internal use only.
524     *
525     * @since 6.9.0
526     */
527    @DoNotUse
528    public @Nullable BlockVector3 getPlotSchematicMinPoint() {
529        return schem3MinPoint;
530    }
531
532    /**
533     * Get if post-generation population of chunks with tiles/entities is needed for this world. Not for public API use.
534     *
535     * @since 6.9.0
536     */
537    @DoNotUse
538    public boolean populationNeeded() {
539        return schem1PopulationNeeded || schem2PopulationNeeded || schem3PopulationNeeded;
540    }
541
542    /**
543     * Get the root folder for this world's generation schematics. May be null if schematics not initialised via
544     * {@link HybridPlotWorld#setupSchematics()}
545     *
546     * @since 6.9.0
547     */
548    public @Nullable File getSchematicRoot() {
549        return this.root;
550    }
551
552    /**
553     * Get the y value where the plot schematic should be pasted from.
554     *
555     * @return plot schematic y start value
556     * @since 7.0.0
557     */
558    public int getPlotYStart() {
559        return SCHEM_Y + plotY;
560    }
561
562    /**
563     * Get the y value where the road schematic should be pasted from.
564     *
565     * @return road schematic y start value
566     * @since 7.0.0
567     */
568    public int getRoadYStart() {
569        return SCHEM_Y + roadY;
570    }
571
572}