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Don't send air block break particles to sub 1.12 players

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Fixes #227
This commit is contained in:
KennyTV 2020-07-09 17:10:31 +02:00
parent 00172ee675
commit 650f89e1ce
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GPG Key ID: 6BE3B555EBC5982B
3 changed files with 23 additions and 3 deletions
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12
core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/data/ParticleMapping.java
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@ -39,9 +39,13 @@ public class ParticleMapping {
int type = blockType >> 4; int type = blockType >> 4;
int meta = blockType & 15; int meta = blockType & 15;
return new int[]{type + (meta << 12)}; return new int[]{type + (meta << 12)};
} }
@Override
public boolean isBlockHandler() {
return true;
}
}; };
particles = new ParticleData[]{ particles = new ParticleData[]{
@ -148,11 +152,15 @@ public class ParticleMapping {
return new ParticleData(replacementId, handler); return new ParticleData(replacementId, handler);
} }
interface ParticleHandler { public interface ParticleHandler {
int[] rewrite(Protocol1_12_2To1_13 protocol, PacketWrapper wrapper) throws Exception; int[] rewrite(Protocol1_12_2To1_13 protocol, PacketWrapper wrapper) throws Exception;
int[] rewrite(Protocol1_12_2To1_13 protocol, List<Particle.ParticleData> data); int[] rewrite(Protocol1_12_2To1_13 protocol, List<Particle.ParticleData> data);
default boolean isBlockHandler() {
return false;
}
} }
public static final class ParticleData { public static final class ParticleData {

5
core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/packets/EntityPackets1_13.java
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@ -382,6 +382,11 @@ public class EntityPackets1_13 extends LegacyEntityRewriter<Protocol1_12_2To1_13
int secondArg = 0; int secondArg = 0;
int[] particleArgs = data.rewriteMeta(protocol, particle.getArguments()); int[] particleArgs = data.rewriteMeta(protocol, particle.getArguments());
if (particleArgs != null && particleArgs.length != 0) { if (particleArgs != null && particleArgs.length != 0) {
if (data.getHandler().isBlockHandler() && particleArgs[0] == 0) {
// Air doesn't have a break particle for sub 1.13 clients -> glass pane
particleArgs[0] = 102;
}
firstArg = particleArgs[0]; firstArg = particleArgs[0];
secondArg = particleArgs.length == 2 ? particleArgs[1] : 0; secondArg = particleArgs.length == 2 ? particleArgs[1] : 0;
} }

9
core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/packets/PlayerPacket1_13.java
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@ -139,8 +139,15 @@ public class PlayerPacket1_13 extends Rewriter<Protocol1_12_2To1_13> {
int[] data = old.rewriteData(protocol, wrapper); int[] data = old.rewriteData(protocol, wrapper);
if (data != null) { if (data != null) {
for (int i : data) if (old.getHandler().isBlockHandler() && data[0] == 0) {
// Cancel air block particles
wrapper.cancel();
return;
}
for (int i : data) {
wrapper.write(Type.VAR_INT, i); wrapper.write(Type.VAR_INT, i);
}
} }
} }
}); });