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Add support for extended world height
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@RaphiMC
RaphiMC committed Aug 27, 2024
1 parent 8356b63 commit c5a34f8
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Showing 3 changed files with 46 additions and 24 deletions.
18 changes: 14 additions & 4 deletions core/src/main/java/org/geysermc/geyser/level/BedrockDimension.java
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Expand Up @@ -34,8 +34,18 @@
* @param height The maximum chunk height Bedrock Edition will accept, from the lowest point to the highest.
* @param doUpperHeightWarn whether to warn in the console if the Java dimension height exceeds Bedrock's.
*/
public record BedrockDimension(int minY, int height, boolean doUpperHeightWarn) {
public static final BedrockDimension OVERWORLD = new BedrockDimension(-64, 384, true);
public static final BedrockDimension THE_NETHER = new BedrockDimension(0, 128, false);
public static final BedrockDimension THE_END = new BedrockDimension(0, 256, true);
public record BedrockDimension(int minY, int height, boolean doUpperHeightWarn, int bedrockId) {

public static final int OVERWORLD_ID = 0;
public static final int DEFAULT_NETHER_ID = 1;
public static final int END_ID = 2;

public static final BedrockDimension OVERWORLD = new BedrockDimension(-64, 384, true, OVERWORLD_ID);
public static final BedrockDimension THE_NETHER = new BedrockDimension(0, 128, false, DEFAULT_NETHER_ID);
public static final BedrockDimension THE_END = new BedrockDimension(0, 256, true, END_ID);

public int maxY() {
return minY + height;
}

}
20 changes: 19 additions & 1 deletion core/src/main/java/org/geysermc/geyser/session/GeyserSession.java
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Expand Up @@ -72,6 +72,7 @@
import org.cloudburstmc.protocol.bedrock.data.command.CommandEnumData;
import org.cloudburstmc.protocol.bedrock.data.command.CommandPermission;
import org.cloudburstmc.protocol.bedrock.data.command.SoftEnumUpdateType;
import org.cloudburstmc.protocol.bedrock.data.definitions.DimensionDefinition;
import org.cloudburstmc.protocol.bedrock.data.entity.EntityFlag;
import org.cloudburstmc.protocol.bedrock.data.inventory.ItemData;
import org.cloudburstmc.protocol.bedrock.packet.AvailableEntityIdentifiersPacket;
Expand All @@ -82,6 +83,7 @@
import org.cloudburstmc.protocol.bedrock.packet.ClientboundCloseFormPacket;
import org.cloudburstmc.protocol.bedrock.packet.CraftingDataPacket;
import org.cloudburstmc.protocol.bedrock.packet.CreativeContentPacket;
import org.cloudburstmc.protocol.bedrock.packet.DimensionDataPacket;
import org.cloudburstmc.protocol.bedrock.packet.EmoteListPacket;
import org.cloudburstmc.protocol.bedrock.packet.GameRulesChangedPacket;
import org.cloudburstmc.protocol.bedrock.packet.ItemComponentPacket;
Expand Down Expand Up @@ -383,6 +385,11 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
@Setter
private boolean sprinting;

/**
* The overworld dimension which Bedrock Edition uses.
*/
@Getter
private BedrockDimension bedrockOverworldDimension = BedrockDimension.OVERWORLD;
/**
* The dimension of the player.
* As all entities are in the same world, this can be safely applied to all other entities.
Expand All @@ -396,7 +403,7 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
* right before the StartGamePacket is sent.
*/
@Setter
private BedrockDimension bedrockDimension = BedrockDimension.OVERWORLD;
private BedrockDimension bedrockDimension = this.bedrockOverworldDimension;

@Setter
private int breakingBlock;
Expand Down Expand Up @@ -706,6 +713,17 @@ public GeyserSession(GeyserImpl geyser, BedrockServerSession bedrockServerSessio
* Send all necessary packets to load Bedrock into the server
*/
public void connect() {
if (this.dimensionType.minY() < BedrockDimension.OVERWORLD.minY() || this.dimensionType.maxY() > BedrockDimension.OVERWORLD.maxY()) {
final int minY = Math.max(this.dimensionType.minY(), -512);
final int maxY = Math.min(this.dimensionType.maxY(), 512);
this.bedrockOverworldDimension = new BedrockDimension(minY, maxY - minY, true, BedrockDimension.OVERWORLD_ID);
this.bedrockDimension = this.bedrockOverworldDimension;

final DimensionDataPacket dimensionDataPacket = new DimensionDataPacket();
dimensionDataPacket.getDefinitions().add(new DimensionDefinition("minecraft:overworld", maxY, minY, 5));
upstream.sendPacket(dimensionDataPacket);
}

startGame();
sentSpawnPacket = true;
syncEntityProperties();
Expand Down
32 changes: 13 additions & 19 deletions core/src/main/java/org/geysermc/geyser/util/DimensionUtils.java
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Expand Up @@ -53,10 +53,6 @@ public class DimensionUtils {

public static final String NETHER_IDENTIFIER = "minecraft:the_nether";

private static final int BEDROCK_OVERWORLD_ID = 0;
private static final int BEDROCK_DEFAULT_NETHER_ID = 1;
private static final int BEDROCK_END_ID = 2;

public static void switchDimension(GeyserSession session, JavaDimension javaDimension) {
switchDimension(session, javaDimension, javaDimension.bedrockId());
}
Expand Down Expand Up @@ -180,19 +176,17 @@ private static void finalizeDimensionSwitch(GeyserSession session, Entity player

public static void setBedrockDimension(GeyserSession session, int bedrockDimension) {
session.setBedrockDimension(switch (bedrockDimension) {
case BEDROCK_END_ID -> BedrockDimension.THE_END;
case BEDROCK_DEFAULT_NETHER_ID -> BedrockDimension.THE_NETHER; // JavaDimension *should* be set to BEDROCK_END_ID if the Nether workaround is enabled.
default -> BedrockDimension.OVERWORLD;
case BedrockDimension.END_ID -> BedrockDimension.THE_END;
case BedrockDimension.DEFAULT_NETHER_ID -> BedrockDimension.THE_NETHER; // JavaDimension *should* be set to BEDROCK_END_ID if the Nether workaround is enabled.
default -> session.getBedrockOverworldDimension();
});
}

public static int javaToBedrock(BedrockDimension dimension) {
if (dimension == BedrockDimension.THE_NETHER) {
if (dimension.bedrockId() == BedrockDimension.DEFAULT_NETHER_ID) {
return BEDROCK_NETHER_ID;
} else if (dimension == BedrockDimension.THE_END) {
return BEDROCK_END_ID;
} else {
return BEDROCK_OVERWORLD_ID;
} else {
return dimension.bedrockId();
}
}

Expand All @@ -205,8 +199,8 @@ public static int javaToBedrock(BedrockDimension dimension) {
public static int javaToBedrock(String javaDimension) {
return switch (javaDimension) {
case NETHER_IDENTIFIER -> BEDROCK_NETHER_ID;
case "minecraft:the_end" -> 2;
default -> 0;
case "minecraft:the_end" -> BedrockDimension.END_ID;
default -> BedrockDimension.OVERWORLD_ID;
};
}

Expand All @@ -216,7 +210,7 @@ public static int javaToBedrock(String javaDimension) {
public static int javaToBedrock(GeyserSession session) {
JavaDimension dimension = session.getDimensionType();
if (dimension == null) {
return BEDROCK_OVERWORLD_ID;
return BedrockDimension.OVERWORLD_ID;
}
return dimension.bedrockId();
}
Expand All @@ -229,7 +223,7 @@ public static int javaToBedrock(GeyserSession session) {
*/
public static void changeBedrockNetherId(boolean isAboveNetherBedrockBuilding) {
// Change dimension ID to the End to allow for building above Bedrock
BEDROCK_NETHER_ID = isAboveNetherBedrockBuilding ? BEDROCK_END_ID : BEDROCK_DEFAULT_NETHER_ID;
BEDROCK_NETHER_ID = isAboveNetherBedrockBuilding ? BedrockDimension.END_ID : BedrockDimension.DEFAULT_NETHER_ID;
}

/**
Expand All @@ -243,14 +237,14 @@ public static void changeBedrockNetherId(boolean isAboveNetherBedrockBuilding) {
public static int getTemporaryDimension(int currentBedrockDimension, int newBedrockDimension) {
if (isCustomBedrockNetherId()) {
// Prevents rare instances of Bedrock locking up
return newBedrockDimension == BEDROCK_END_ID ? BEDROCK_OVERWORLD_ID : BEDROCK_END_ID;
return newBedrockDimension == BedrockDimension.END_ID ? BedrockDimension.OVERWORLD_ID : BedrockDimension.END_ID;
}
// Check current Bedrock dimension and not just the Java dimension.
// Fixes rare instances like https://github.com/GeyserMC/Geyser/issues/3161
return currentBedrockDimension == BEDROCK_OVERWORLD_ID ? BEDROCK_DEFAULT_NETHER_ID : BEDROCK_OVERWORLD_ID;
return currentBedrockDimension == BedrockDimension.OVERWORLD_ID ? BedrockDimension.DEFAULT_NETHER_ID : BedrockDimension.OVERWORLD_ID;
}

public static boolean isCustomBedrockNetherId() {
return BEDROCK_NETHER_ID == BEDROCK_END_ID;
return BEDROCK_NETHER_ID == BedrockDimension.END_ID;
}
}

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