File size: 11,053 Bytes
d46f4a3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
package net.minecraft.server.commands;

import com.google.common.base.Joiner;
import com.mojang.brigadier.CommandDispatcher;
import com.mojang.brigadier.context.CommandContext;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import com.mojang.brigadier.exceptions.Dynamic2CommandExceptionType;
import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
import it.unimi.dsi.fastutil.longs.LongSet;
import net.minecraft.commands.CommandSourceStack;
import net.minecraft.commands.Commands;
import net.minecraft.commands.arguments.coordinates.BlockPosArgument;
import net.minecraft.commands.arguments.coordinates.ColumnPosArgument;
import net.minecraft.core.SectionPos;
import net.minecraft.network.chat.Component;
import net.minecraft.resources.ResourceKey;
import net.minecraft.server.level.ColumnPos;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.level.ChunkPos;
import net.minecraft.world.level.Level;

public class ForceLoadCommand {
    private static final int MAX_CHUNK_LIMIT = 256;
    private static final Dynamic2CommandExceptionType ERROR_TOO_MANY_CHUNKS = new Dynamic2CommandExceptionType(
        (p_308708_, p_308709_) -> Component.translatableEscape("commands.forceload.toobig", p_308708_, p_308709_)
    );
    private static final Dynamic2CommandExceptionType ERROR_NOT_TICKING = new Dynamic2CommandExceptionType(
        (p_308720_, p_308721_) -> Component.translatableEscape("commands.forceload.query.failure", p_308720_, p_308721_)
    );
    private static final SimpleCommandExceptionType ERROR_ALL_ADDED = new SimpleCommandExceptionType(Component.translatable("commands.forceload.added.failure"));
    private static final SimpleCommandExceptionType ERROR_NONE_REMOVED = new SimpleCommandExceptionType(Component.translatable("commands.forceload.removed.failure"));

    public static void register(CommandDispatcher<CommandSourceStack> p_137677_) {
        p_137677_.register(
            Commands.literal("forceload")
                .requires(p_137703_ -> p_137703_.hasPermission(2))
                .then(
                    Commands.literal("add")
                        .then(
                            Commands.argument("from", ColumnPosArgument.columnPos())
                                .executes(
                                    p_137711_ -> changeForceLoad(
                                            p_137711_.getSource(),
                                            ColumnPosArgument.getColumnPos(p_137711_, "from"),
                                            ColumnPosArgument.getColumnPos(p_137711_, "from"),
                                            true
                                        )
                                )
                                .then(
                                    Commands.argument("to", ColumnPosArgument.columnPos())
                                        .executes(
                                            p_137709_ -> changeForceLoad(
                                                    p_137709_.getSource(),
                                                    ColumnPosArgument.getColumnPos(p_137709_, "from"),
                                                    ColumnPosArgument.getColumnPos(p_137709_, "to"),
                                                    true
                                                )
                                        )
                                )
                        )
                )
                .then(
                    Commands.literal("remove")
                        .then(
                            Commands.argument("from", ColumnPosArgument.columnPos())
                                .executes(
                                    p_137707_ -> changeForceLoad(
                                            p_137707_.getSource(),
                                            ColumnPosArgument.getColumnPos(p_137707_, "from"),
                                            ColumnPosArgument.getColumnPos(p_137707_, "from"),
                                            false
                                        )
                                )
                                .then(
                                    Commands.argument("to", ColumnPosArgument.columnPos())
                                        .executes(
                                            p_137705_ -> changeForceLoad(
                                                    p_137705_.getSource(),
                                                    ColumnPosArgument.getColumnPos(p_137705_, "from"),
                                                    ColumnPosArgument.getColumnPos(p_137705_, "to"),
                                                    false
                                                )
                                        )
                                )
                        )
                        .then(Commands.literal("all").executes(p_137701_ -> removeAll(p_137701_.getSource())))
                )
                .then(
                    Commands.literal("query")
                        .executes(p_137694_ -> listForceLoad(p_137694_.getSource()))
                        .then(
                            Commands.argument("pos", ColumnPosArgument.columnPos())
                                .executes(p_137679_ -> queryForceLoad(p_137679_.getSource(), ColumnPosArgument.getColumnPos(p_137679_, "pos")))
                        )
                )
        );
    }

    private static int queryForceLoad(CommandSourceStack p_137683_, ColumnPos p_137684_) throws CommandSyntaxException {
        ChunkPos chunkpos = p_137684_.toChunkPos();
        ServerLevel serverlevel = p_137683_.getLevel();
        ResourceKey<Level> resourcekey = serverlevel.dimension();
        boolean flag = serverlevel.getForcedChunks().contains(chunkpos.toLong());
        if (flag) {
            p_137683_.sendSuccess(
                () -> Component.translatable("commands.forceload.query.success", Component.translationArg(chunkpos), Component.translationArg(resourcekey.location())),
                false
            );
            return 1;
        } else {
            throw ERROR_NOT_TICKING.create(chunkpos, resourcekey.location());
        }
    }

    private static int listForceLoad(CommandSourceStack p_137681_) {
        ServerLevel serverlevel = p_137681_.getLevel();
        ResourceKey<Level> resourcekey = serverlevel.dimension();
        LongSet longset = serverlevel.getForcedChunks();
        int i = longset.size();
        if (i > 0) {
            String s = Joiner.on(", ").join(longset.stream().sorted().map(ChunkPos::new).map(ChunkPos::toString).iterator());
            if (i == 1) {
                p_137681_.sendSuccess(() -> Component.translatable("commands.forceload.list.single", Component.translationArg(resourcekey.location()), s), false);
            } else {
                p_137681_.sendSuccess(() -> Component.translatable("commands.forceload.list.multiple", i, Component.translationArg(resourcekey.location()), s), false);
            }
        } else {
            p_137681_.sendFailure(Component.translatable("commands.forceload.added.none", Component.translationArg(resourcekey.location())));
        }

        return i;
    }

    private static int removeAll(CommandSourceStack p_137696_) {
        ServerLevel serverlevel = p_137696_.getLevel();
        ResourceKey<Level> resourcekey = serverlevel.dimension();
        LongSet longset = serverlevel.getForcedChunks();
        longset.forEach(p_137675_ -> serverlevel.setChunkForced(ChunkPos.getX(p_137675_), ChunkPos.getZ(p_137675_), false));
        p_137696_.sendSuccess(() -> Component.translatable("commands.forceload.removed.all", Component.translationArg(resourcekey.location())), true);
        return 0;
    }

    private static int changeForceLoad(CommandSourceStack p_137686_, ColumnPos p_137687_, ColumnPos p_137688_, boolean p_137689_) throws CommandSyntaxException {
        int i = Math.min(p_137687_.x(), p_137688_.x());
        int j = Math.min(p_137687_.z(), p_137688_.z());
        int k = Math.max(p_137687_.x(), p_137688_.x());
        int l = Math.max(p_137687_.z(), p_137688_.z());
        if (i >= -30000000 && j >= -30000000 && k < 30000000 && l < 30000000) {
            int i1 = SectionPos.blockToSectionCoord(i);
            int j1 = SectionPos.blockToSectionCoord(j);
            int k1 = SectionPos.blockToSectionCoord(k);
            int l1 = SectionPos.blockToSectionCoord(l);
            long i2 = ((long)(k1 - i1) + 1L) * ((long)(l1 - j1) + 1L);
            if (i2 > 256L) {
                throw ERROR_TOO_MANY_CHUNKS.create(256, i2);
            } else {
                ServerLevel serverlevel = p_137686_.getLevel();
                ResourceKey<Level> resourcekey = serverlevel.dimension();
                ChunkPos chunkpos = null;
                int j2 = 0;

                for (int k2 = i1; k2 <= k1; k2++) {
                    for (int l2 = j1; l2 <= l1; l2++) {
                        boolean flag = serverlevel.setChunkForced(k2, l2, p_137689_);
                        if (flag) {
                            j2++;
                            if (chunkpos == null) {
                                chunkpos = new ChunkPos(k2, l2);
                            }
                        }
                    }
                }

                ChunkPos chunkpos2 = chunkpos;
                int i3 = j2;
                if (i3 == 0) {
                    throw (p_137689_ ? ERROR_ALL_ADDED : ERROR_NONE_REMOVED).create();
                } else {
                    if (i3 == 1) {
                        p_137686_.sendSuccess(
                            () -> Component.translatable(
                                    "commands.forceload." + (p_137689_ ? "added" : "removed") + ".single",
                                    Component.translationArg(chunkpos2),
                                    Component.translationArg(resourcekey.location())
                                ),
                            true
                        );
                    } else {
                        ChunkPos chunkpos3 = new ChunkPos(i1, j1);
                        ChunkPos chunkpos1 = new ChunkPos(k1, l1);
                        p_137686_.sendSuccess(
                            () -> Component.translatable(
                                    "commands.forceload." + (p_137689_ ? "added" : "removed") + ".multiple",
                                    i3,
                                    Component.translationArg(resourcekey.location()),
                                    Component.translationArg(chunkpos3),
                                    Component.translationArg(chunkpos1)
                                ),
                            true
                        );
                    }

                    return i3;
                }
            }
        } else {
            throw BlockPosArgument.ERROR_OUT_OF_WORLD.create();
        }
    }
}