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Refactor PacketOpcodesUtil to be more... useful

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This commit is contained in:
Melledy
2022-07-20 03:14:04 -07:00
parent 52ee229e96
commit 8b4212ffb9
6 changed files with 79 additions and 71 deletions
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10
src/main/java/emu/grasscutter/net/packet/PacketOpcodes.java
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@@ -1,7 +1,5 @@
package emu.grasscutter.net.packet;
import java.util.HashSet;
public class PacketOpcodes {
// Empty
public static final int NONE = 0;
@@ -1856,12 +1854,4 @@ public class PacketOpcodes {
public static final int WorldRoutineTypeCloseNotify = 3502;
public static final int WorldRoutineTypeRefreshNotify = 3525;
// Unknown
public static final HashSet<Integer> BANNED_PACKETS = new HashSet<>() {
{
this.add(PacketOpcodes.WindSeedClientNotify);
this.add(PacketOpcodes.PlayerLuaShellNotify);
}
};
}

46
src/main/java/emu/grasscutter/net/packet/PacketOpcodesUtil.java
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@@ -1,46 +0,0 @@
package emu.grasscutter.net.packet;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.lang.reflect.Field;
import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
public class PacketOpcodesUtil {
private static Int2ObjectMap<String> opcodeMap;
static {
opcodeMap = new Int2ObjectOpenHashMap<String>();
Field[] fields = PacketOpcodes.class.getFields();
for (Field f : fields) {
if(f.getType().equals(int.class)) {
try {
opcodeMap.put(f.getInt(null), f.getName());
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
public static String getOpcodeName(int opcode) {
if (opcode <= 0) return "UNKNOWN";
return opcodeMap.getOrDefault(opcode, "UNKNOWN");
}
public static void dumpOpcodes() {
try {
BufferedWriter out = new BufferedWriter(new FileWriter("opcodes.ini"));
for (Int2ObjectMap.Entry<String> entry : opcodeMap.int2ObjectEntrySet()) {
out.write(String.format("%04X=%s%s", entry.getIntKey(), entry.getValue(), System.lineSeparator()));
}
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}

68
src/main/java/emu/grasscutter/net/packet/PacketOpcodesUtils.java Normal file
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@@ -0,0 +1,68 @@
package emu.grasscutter.net.packet;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.lang.reflect.Field;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.stream.Collectors;
import emu.grasscutter.GameConstants;
import emu.grasscutter.Grasscutter;
import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
public class PacketOpcodesUtils {
private static Int2ObjectMap<String> opcodeMap;
public static final Set<Integer> BANNED_PACKETS = Set.of(
PacketOpcodes.WindSeedClientNotify,
PacketOpcodes.PlayerLuaShellNotify
);
public static final Set<Integer> LOOP_PACKETS = Set.of(
PacketOpcodes.PingReq,
PacketOpcodes.PingRsp,
PacketOpcodes.WorldPlayerRTTNotify,
PacketOpcodes.UnionCmdNotify,
PacketOpcodes.QueryPathReq
);
static {
opcodeMap = new Int2ObjectOpenHashMap<String>();
Field[] fields = PacketOpcodes.class.getFields();
for (Field f : fields) {
if(f.getType().equals(int.class)) {
try {
opcodeMap.put(f.getInt(null), f.getName());
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
public static String getOpcodeName(int opcode) {
if (opcode <= 0) return "UNKNOWN";
return opcodeMap.getOrDefault(opcode, "UNKNOWN");
}
public static void dumpPacketIds() {
try (FileWriter writer = new FileWriter("./PacketIds_" + GameConstants.VERSION + ".json")) {
// Create sorted tree map
Map<Integer, String> packetIds = opcodeMap.int2ObjectEntrySet().stream()
.filter(e -> e.getIntKey() > 0)
.collect(Collectors.toMap(Int2ObjectMap.Entry::getIntKey, Int2ObjectMap.Entry::getValue, (k, v) -> v, TreeMap::new));
// Write to file
writer.write(Grasscutter.getGsonFactory().toJson(packetIds));
Grasscutter.getLogger().info("Dumped packet ids.");
} catch (IOException e) {
e.printStackTrace();
}
}
}