Files
fabric-carpet/src/main/java/carpet/commands/ScriptCommand.java
T

546 lines
29 KiB
Java

package carpet.commands;
import carpet.CarpetServer;
import carpet.settings.CarpetSettings;
import carpet.script.CarpetEventServer;
import carpet.script.CarpetExpression;
import carpet.script.Expression;
import carpet.script.ExpressionInspector;
import carpet.script.ScriptHost;
import carpet.script.Tokenizer;
import carpet.script.exception.CarpetExpressionException;
import carpet.utils.Messenger;
import com.mojang.brigadier.CommandDispatcher;
import com.mojang.brigadier.arguments.StringArgumentType;
import com.mojang.brigadier.builder.LiteralArgumentBuilder;
import com.mojang.brigadier.context.CommandContext;
import net.minecraft.block.Block;
import net.minecraft.block.pattern.CachedBlockPosition;
import net.minecraft.command.arguments.BlockPosArgumentType;
import net.minecraft.command.arguments.BlockPredicateArgumentType;
import net.minecraft.command.arguments.BlockStateArgument;
import net.minecraft.command.arguments.BlockStateArgumentType;
import net.minecraft.server.command.ServerCommandSource;
import net.minecraft.block.entity.BlockEntity;
import net.minecraft.util.Clearable;
import net.minecraft.util.math.BlockPos;
import net.minecraft.server.world.ServerWorld;
import net.minecraft.util.math.MutableIntBoundingBox;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Locale;
import java.util.function.Predicate;
import java.util.function.Supplier;
import static net.minecraft.server.command.CommandManager.argument;
import static net.minecraft.server.command.CommandManager.literal;
import static net.minecraft.server.command.CommandSource.suggestMatching;
public class ScriptCommand
{
public static void register(CommandDispatcher<ServerCommandSource> dispatcher)
{
LiteralArgumentBuilder<ServerCommandSource> b = literal("globals").
executes(ScriptCommand::listGlobals);
LiteralArgumentBuilder<ServerCommandSource> o = literal("stop").
executes( (cc) -> { CarpetServer.scriptServer.stopAll = true; return 1;});
LiteralArgumentBuilder<ServerCommandSource> u = literal("resume").
executes( (cc) -> { CarpetServer.scriptServer.stopAll = false; return 1;});
LiteralArgumentBuilder<ServerCommandSource> l = literal("run").
requires((player) -> player.hasPermissionLevel(2)).
then(argument("expr", StringArgumentType.greedyString()).
executes((cc) -> compute(
cc,
StringArgumentType.getString(cc, "expr"))));
LiteralArgumentBuilder<ServerCommandSource> s = literal("invoke").
then(argument("call", StringArgumentType.word()).suggests( (cc, bb)->suggestMatching(suggestFunctionCalls(cc),bb)).
executes( (cc) -> invoke(
cc,
StringArgumentType.getString(cc, "call"),
null,
null,
""
)).
then(argument("arguments", StringArgumentType.greedyString()).
executes( (cc) -> invoke(
cc,
StringArgumentType.getString(cc, "call"),
null,
null,
StringArgumentType.getString(cc, "arguments")
))));
LiteralArgumentBuilder<ServerCommandSource> c = literal("invokepoint").
then(argument("call", StringArgumentType.word()).suggests( (cc, bb)->suggestMatching(suggestFunctionCalls(cc),bb)).
then(argument("origin", BlockPosArgumentType.create()).
executes( (cc) -> invoke(
cc,
StringArgumentType.getString(cc, "call"),
BlockPosArgumentType.getBlockPos(cc, "origin"),
null,
""
)).
then(argument("arguments", StringArgumentType.greedyString()).
executes( (cc) -> invoke(
cc,
StringArgumentType.getString(cc, "call"),
BlockPosArgumentType.getBlockPos(cc, "origin"),
null,
StringArgumentType.getString(cc, "arguments")
)))));
LiteralArgumentBuilder<ServerCommandSource> h = literal("invokearea").
then(argument("call", StringArgumentType.word()).suggests( (cc, bb)->suggestMatching(suggestFunctionCalls(cc),bb)).
then(argument("from", BlockPosArgumentType.create()).
then(argument("to", BlockPosArgumentType.create()).
executes( (cc) -> invoke(
cc,
StringArgumentType.getString(cc, "call"),
BlockPosArgumentType.getBlockPos(cc, "from"),
BlockPosArgumentType.getBlockPos(cc, "to"),
""
)).
then(argument("arguments", StringArgumentType.greedyString()).
executes( (cc) -> invoke(
cc,
StringArgumentType.getString(cc, "call"),
BlockPosArgumentType.getBlockPos(cc, "from"),
BlockPosArgumentType.getBlockPos(cc, "to"),
StringArgumentType.getString(cc, "arguments")
))))));
LiteralArgumentBuilder<ServerCommandSource> i = literal("scan").requires((player) -> player.hasPermissionLevel(2)).
then(argument("origin", BlockPosArgumentType.create()).
then(argument("from", BlockPosArgumentType.create()).
then(argument("to", BlockPosArgumentType.create()).
then(argument("expr", StringArgumentType.greedyString()).
executes( (cc) -> scriptScan(
cc,
BlockPosArgumentType.getBlockPos(cc, "origin"),
BlockPosArgumentType.getBlockPos(cc, "from"),
BlockPosArgumentType.getBlockPos(cc, "to"),
StringArgumentType.getString(cc, "expr")
))))));
LiteralArgumentBuilder<ServerCommandSource> e = literal("fill").requires((player) -> player.hasPermissionLevel(2)).
then(argument("origin", BlockPosArgumentType.create()).
then(argument("from", BlockPosArgumentType.create()).
then(argument("to", BlockPosArgumentType.create()).
then(argument("expr", StringArgumentType.string()).
then(argument("block", BlockStateArgumentType.create()).
executes((cc) -> scriptFill(
cc,
BlockPosArgumentType.getBlockPos(cc, "origin"),
BlockPosArgumentType.getBlockPos(cc, "from"),
BlockPosArgumentType.getBlockPos(cc, "to"),
StringArgumentType.getString(cc, "expr"),
BlockStateArgumentType.getBlockState(cc, "block"),
null, "solid"
)).
then(literal("replace").
then(argument("filter", BlockPredicateArgumentType.create())
.executes((cc) -> scriptFill(
cc,
BlockPosArgumentType.getBlockPos(cc, "origin"),
BlockPosArgumentType.getBlockPos(cc, "from"),
BlockPosArgumentType.getBlockPos(cc, "to"),
StringArgumentType.getString(cc, "expr"),
BlockStateArgumentType.getBlockState(cc, "block"),
BlockPredicateArgumentType.getBlockPredicate(cc, "filter"),
"solid"
)))))))));
LiteralArgumentBuilder<ServerCommandSource> t = literal("outline").requires((player) -> player.hasPermissionLevel(2)).
then(argument("origin", BlockPosArgumentType.create()).
then(argument("from", BlockPosArgumentType.create()).
then(argument("to", BlockPosArgumentType.create()).
then(argument("expr", StringArgumentType.string()).
then(argument("block", BlockStateArgumentType.create()).
executes((cc) -> scriptFill(
cc,
BlockPosArgumentType.getBlockPos(cc, "origin"),
BlockPosArgumentType.getBlockPos(cc, "from"),
BlockPosArgumentType.getBlockPos(cc, "to"),
StringArgumentType.getString(cc, "expr"),
BlockStateArgumentType.getBlockState(cc, "block"),
null, "outline"
)).
then(literal("replace").
then(argument("filter", BlockPredicateArgumentType.create())
.executes((cc) -> scriptFill(
cc,
BlockPosArgumentType.getBlockPos(cc, "origin"),
BlockPosArgumentType.getBlockPos(cc, "from"),
BlockPosArgumentType.getBlockPos(cc, "to"),
StringArgumentType.getString(cc, "expr"),
BlockStateArgumentType.getBlockState(cc, "block"),
BlockPredicateArgumentType.getBlockPredicate(cc, "filter"),
"outline"
)))))))));
LiteralArgumentBuilder<ServerCommandSource> a = literal("load").requires( (player) -> player.hasPermissionLevel(2) ).
then(argument("package", StringArgumentType.word()).
suggests( (cc, bb) -> suggestMatching(CarpetServer.scriptServer.listAvailableModules(),bb)).
executes((cc) ->
{
boolean success = CarpetServer.scriptServer.addScriptHost(cc.getSource(), StringArgumentType.getString(cc, "package"));
return success?1:0;
})
);
LiteralArgumentBuilder<ServerCommandSource> f = literal("unload").requires( (player) -> player.hasPermissionLevel(2) ).
then(argument("package", StringArgumentType.word()).
suggests( (cc, bb) -> suggestMatching(CarpetServer.scriptServer.modules.keySet(),bb)).
executes((cc) ->
{
boolean success =CarpetServer.scriptServer.removeScriptHost(cc.getSource(), StringArgumentType.getString(cc, "package"));
return success?1:0;
}));
LiteralArgumentBuilder<ServerCommandSource> q = literal("event").requires( (player) -> player.hasPermissionLevel(2) ).
executes( (cc) -> listEvents(cc.getSource())).
then(literal("add_to").
then(argument("event", StringArgumentType.word()).
suggests( (cc, bb) -> suggestMatching(CarpetServer.scriptServer.events.eventHandlers.keySet() ,bb)).
then(argument("call", StringArgumentType.word()).
suggests( (cc, bb) -> suggestMatching(suggestFunctionCalls(cc), bb)).
executes( (cc) -> CarpetServer.scriptServer.events.addEvent(
StringArgumentType.getString(cc, "event"),
null,
StringArgumentType.getString(cc, "call")
)?1:0)).
then(literal("from").
then(argument("package", StringArgumentType.word()).
suggests( (cc, bb) -> suggestMatching(CarpetServer.scriptServer.modules.keySet(), bb)).
then(argument("call", StringArgumentType.word()).
suggests( (cc, bb) -> suggestMatching(suggestFunctionCalls(cc), bb)).
executes( (cc) -> CarpetServer.scriptServer.events.addEvent(
StringArgumentType.getString(cc, "event"),
StringArgumentType.getString(cc, "package"),
StringArgumentType.getString(cc, "call")
)?1:0)))))).
then(literal("remove_from").
then(argument("event", StringArgumentType.word()).
suggests( (cc, bb) -> suggestMatching(CarpetServer.scriptServer.events.eventHandlers.keySet() ,bb)).
then(argument("call", StringArgumentType.greedyString()).
suggests( (cc, bb) -> suggestMatching(CarpetServer.scriptServer.events.eventHandlers.get(StringArgumentType.getString(cc, "event")).callList.stream().map(CarpetEventServer.Callback::toString), bb)).
executes( (cc) -> CarpetServer.scriptServer.events.removeEvent(
StringArgumentType.getString(cc, "event"),
StringArgumentType.getString(cc, "call")
)?1:0))));
dispatcher.register(literal("script").
requires((player) -> CarpetSettings.commandScript).
then(b).then(u).then(o).then(l).then(s).then(c).then(h).then(i).then(e).then(t).then(a).then(f).then(q));
dispatcher.register(literal("script").
requires((player) -> CarpetSettings.commandScript).
then(literal("in").
then(argument("package", StringArgumentType.word()).
suggests( (cc, bb) -> suggestMatching(CarpetServer.scriptServer.modules.keySet(), bb)).
then(b).then(u).then(o).then(l).then(s).then(c).then(h).then(i).then(e).then(t))));
}
private static ScriptHost getHost(CommandContext<ServerCommandSource> context)
{
try
{
String name = StringArgumentType.getString(context, "package").toLowerCase(Locale.ROOT);
return CarpetServer.scriptServer.modules.getOrDefault(name, CarpetServer.scriptServer.globalHost);
}
catch (IllegalArgumentException ignored)
{
return CarpetServer.scriptServer.globalHost;
}
}
private static Collection<String> suggestFunctionCalls(CommandContext<ServerCommandSource> c)
{
ServerCommandSource s = c.getSource();
ScriptHost host = getHost(c);
return host.getPublicFunctions();
}
private static int listEvents(ServerCommandSource source)
{
Messenger.m(source, "w Lists ALL event handlers:");
for (String event: CarpetServer.scriptServer.events.eventHandlers.keySet())
{
boolean shownEvent = false;
for (CarpetEventServer.Callback c: CarpetServer.scriptServer.events.eventHandlers.get(event).callList)
{
if (!shownEvent)
{
Messenger.m(source, "w Handlers for "+event+": ");
shownEvent = true;
}
Messenger.m(source, "w - "+c.udf+(c.host==null?"":" (from "+c.host+")"));
}
}
return 1;
}
private static int listGlobals(CommandContext<ServerCommandSource> context)
{
ScriptHost host = getHost(context);
ServerCommandSource source = context.getSource();
Messenger.m(source, "lb Stored functions"+((host == CarpetServer.scriptServer.globalHost)?":":" in "+host.getName()+":"));
for (String fname : host.getAvailableFunctions())
{
Expression expr = host.getExpressionForFunction(fname);
Tokenizer.Token tok = host.getTokenForFunction(fname);
List<String> snippet = ExpressionInspector.Expression_getExpressionSnippet(tok, expr);
Messenger.m(source, "wb "+fname,"t defined at: line "+(tok.lineno+1)+" pos "+(tok.linepos+1));
for (String snippetLine: snippet)
{
Messenger.m(source, "w "+snippetLine);
}
Messenger.m(source, "gi ----------------");
}
//Messenger.m(source, "w "+code);
Messenger.m(source, "w ");
Messenger.m(source, "lb Global variables"+((host == CarpetServer.scriptServer.globalHost)?":":" in "+host.getName()+":"));
for (String vname : host.globalVariables.keySet())
{
if (!vname.startsWith("global")) continue;
Messenger.m(source, "wb "+vname+": ", "w "+ host.globalVariables.get(vname).evalValue(null).getPrettyString());
}
return 1;
}
public static void handleCall(ServerCommandSource source, Supplier<String> call)
{
try
{
CarpetServer.scriptServer.setChatErrorSnooper(source);
long start = System.nanoTime();
String result = call.get();
long time = ((System.nanoTime()-start)/1000);
String metric = "\u00B5s";
if (time > 5000)
{
time /= 1000;
metric = "ms";
}
if (time > 10000)
{
time /= 1000;
metric = "s";
}
Messenger.m(source, "wi = ", "wb "+result, "gi ("+time+metric+")");
}
catch (CarpetExpressionException e)
{
Messenger.m(source, "r Exception white evaluating expression at "+new BlockPos(source.getPosition())+": "+e.getMessage());
}
CarpetServer.scriptServer.resetErrorSnooper();
}
private static int invoke(CommandContext<ServerCommandSource> context, String call, BlockPos pos1, BlockPos pos2, String args)
{
ServerCommandSource source = context.getSource();
ScriptHost host = getHost(context);
if (call.startsWith("__"))
{
Messenger.m(source, "r Hidden functions are only callable in scripts");
return 0;
}
List<Integer> positions = new ArrayList<>();
if (pos1 != null)
{
positions.add(pos1.getX());
positions.add(pos1.getY());
positions.add(pos1.getZ());
}
if (pos2 != null)
{
positions.add(pos2.getX());
positions.add(pos2.getY());
positions.add(pos2.getZ());
}
//if (!(args.trim().isEmpty()))
// arguments.addAll(Arrays.asList(args.trim().split("\\s+")));
handleCall(source, () -> host.call(source, call, positions, args));
return 1;
}
private static int compute(CommandContext<ServerCommandSource> context, String expr)
{
ServerCommandSource source = context.getSource();
ScriptHost host = getHost(context);
handleCall(source, () -> {
CarpetExpression ex = new CarpetExpression(expr, source, new BlockPos(0, 0, 0));
return ex.scriptRunCommand(host, new BlockPos(source.getPosition()));
});
return 1;
}
private static int scriptScan(CommandContext<ServerCommandSource> context, BlockPos origin, BlockPos a, BlockPos b, String expr)
{
ServerCommandSource source = context.getSource();
ScriptHost host = getHost(context);
MutableIntBoundingBox area = new MutableIntBoundingBox(a, b);
CarpetExpression cexpr = new CarpetExpression(expr, source, origin);
int int_1 = area.getBlockCountX() * area.getBlockCountY() * area.getBlockCountZ();
if (int_1 > CarpetSettings.fillLimit)
{
Messenger.m(source, "r too many blocks to evaluate: " + int_1);
return 1;
}
int successCount = 0;
CarpetSettings.impendingFillSkipUpdates = !CarpetSettings.fillUpdates;
try
{
for (int x = area.minX; x <= area.maxX; x++)
{
for (int y = area.minY; y <= area.maxY; y++)
{
for (int z = area.minZ; z <= area.maxZ; z++)
{
try
{
if (cexpr.fillAndScanCommand(host, x, y, z)) successCount++;
}
catch (ArithmeticException ignored)
{
}
}
}
}
}
catch (CarpetExpressionException exc)
{
Messenger.m(source, "r Error while processing command: "+exc);
return 0;
}
finally
{
CarpetSettings.impendingFillSkipUpdates = false;
}
Messenger.m(source, "w Expression successful in " + successCount + " out of " + int_1 + " blocks");
return successCount;
}
private static int scriptFill(CommandContext<ServerCommandSource> context, BlockPos origin, BlockPos a, BlockPos b, String expr,
BlockStateArgument block, Predicate<CachedBlockPosition> replacement, String mode)
{
ServerCommandSource source = context.getSource();
ScriptHost host = getHost(context);
MutableIntBoundingBox area = new MutableIntBoundingBox(a, b);
CarpetExpression cexpr = new CarpetExpression(expr, source, origin);
int int_1 = area.getBlockCountX() * area.getBlockCountY() * area.getBlockCountZ();
if (int_1 > CarpetSettings.fillLimit)
{
Messenger.m(source, "r too many blocks to evaluate: "+ int_1);
return 1;
}
boolean[][][] volume = new boolean[area.getBlockCountX()][area.getBlockCountY()][area.getBlockCountZ()];
BlockPos.Mutable mbpos = new BlockPos.Mutable(origin);
ServerWorld world = source.getWorld();
for (int x = area.minX; x <= area.maxX; x++)
{
for (int y = area.minY; y <= area.maxY; y++)
{
for (int z = area.minZ; z <= area.maxZ; z++)
{
try
{
if (cexpr.fillAndScanCommand(host, x, y, z))
{
volume[x-area.minX][y-area.minY][z-area.minZ]=true;
}
}
catch (CarpetExpressionException e)
{
Messenger.m(source, "r Exception while filling the area:\n","l "+e.getMessage());
return 0;
}
catch (ArithmeticException e)
{
}
}
}
}
final int maxx = area.getBlockCountX()-1;
final int maxy = area.getBlockCountY()-1;
final int maxz = area.getBlockCountZ()-1;
if ("outline".equalsIgnoreCase(mode))
{
boolean[][][] newVolume = new boolean[area.getBlockCountX()][area.getBlockCountY()][area.getBlockCountZ()];
for (int x = 0; x <= maxx; x++)
{
for (int y = 0; y <= maxy; y++)
{
for (int z = 0; z <= maxz; z++)
{
if (volume[x][y][z])
{
if ( ( (x != 0 && !volume[x-1][y ][z ]) ||
(x != maxx && !volume[x+1][y ][z ]) ||
(y != 0 && !volume[x ][y-1][z ]) ||
(y != maxy && !volume[x ][y+1][z ]) ||
(z != 0 && !volume[x ][y ][z-1]) ||
(z != maxz && !volume[x ][y ][z+1])
))
{
newVolume[x][y][z] = true;
}
}
}
}
}
volume = newVolume;
}
int affected = 0;
CarpetSettings.impendingFillSkipUpdates = !CarpetSettings.fillUpdates;
for (int x = 0; x <= maxx; x++)
{
for (int y = 0; y <= maxy; y++)
{
for (int z = 0; z <= maxz; z++)
{
if (volume[x][y][z])
{
mbpos.set(x+area.minX, y+area.minY, z+area.minZ);
if (replacement == null || replacement.test(
new CachedBlockPosition( world, mbpos, true)))
{
BlockEntity tileentity = world.getBlockEntity(mbpos);
Clearable.clear(tileentity);
if (block.setBlockState(world, mbpos,2))
{
++affected;
}
}
}
}
}
}
CarpetSettings.impendingFillSkipUpdates = false;
if (CarpetSettings.fillUpdates && block != null)
{
for (int x = 0; x <= maxx; x++)
{
for (int y = 0; y <= maxy; y++)
{
for (int z = 0; z <= maxz; z++)
{
if (volume[x][y][z])
{
mbpos.set(x+area.minX, y+area.minY, z+area.minZ);
Block blokc = world.getBlockState(mbpos).getBlock();
world.updateNeighbors(mbpos, blokc);
}
}
}
}
}
Messenger.m(source, "gi Affected "+affected+" blocks in "+area.getBlockCountX() * area.getBlockCountY() * area.getBlockCountZ()+" block volume");
return 1;
}
}