Files
fabric-carpet/src/main/java/carpet/script/CarpetEventServer.java
T

1248 lines
53 KiB
Java

package carpet.script;
import carpet.CarpetServer;
import carpet.CarpetSettings;
import carpet.helpers.TickSpeed;
import carpet.script.exception.InternalExpressionException;
import carpet.script.value.BlockValue;
import carpet.script.value.BooleanValue;
import carpet.script.value.EntityValue;
import carpet.script.value.FunctionValue;
import carpet.script.value.ListValue;
import carpet.script.value.NBTSerializableValue;
import carpet.script.value.NumericValue;
import carpet.script.value.StringValue;
import carpet.script.value.Value;
import carpet.script.value.ValueConversions;
import carpet.settings.ParsedRule;
import carpet.utils.CarpetProfiler;
import carpet.utils.Messenger;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import net.minecraft.block.BlockState;
import net.minecraft.entity.EntityType;
import net.minecraft.entity.LivingEntity;
import net.minecraft.entity.TntEntity;
import net.minecraft.entity.damage.DamageSource;
import net.minecraft.entity.passive.MerchantEntity;
import net.minecraft.entity.projectile.ProjectileEntity;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.command.ServerCommandSource;
import net.minecraft.entity.Entity;
import net.minecraft.server.network.ServerPlayerEntity;
import net.minecraft.item.ItemStack;
import net.minecraft.server.world.ServerWorld;
import net.minecraft.stat.Stat;
import net.minecraft.stat.Stats;
import net.minecraft.util.Hand;
import net.minecraft.util.Identifier;
import net.minecraft.util.hit.BlockHitResult;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.ChunkPos;
import net.minecraft.util.math.Direction;
import net.minecraft.util.math.Vec3d;
import net.minecraft.util.registry.Registry;
import net.minecraft.util.registry.RegistryKey;
import net.minecraft.village.Merchant;
import net.minecraft.village.TradeOffer;
import net.minecraft.world.World;
import net.minecraft.world.explosion.Explosion;
import org.apache.commons.lang3.tuple.Pair;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.function.Consumer;
import java.util.function.Predicate;
import java.util.function.Supplier;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
public class CarpetEventServer
{
public final List<ScheduledCall> scheduledCalls = new LinkedList<>();
public final MinecraftServer server;
private static final List<Value> NOARGS = Collections.emptyList();
public final Map<String, Event> customEvents = new HashMap<>();
public static class Callback
{
public final String host;
public final String optionalTarget;
public final FunctionValue function;
public final List<Value> parametrizedArgs;
public Callback(String host, String target, FunctionValue function, List<Value> parametrizedArgs)
{
this.host = host;
this.function = function;
this.optionalTarget = target;
this.parametrizedArgs = parametrizedArgs==null?NOARGS:parametrizedArgs;
}
/**
* Used also in entity events
* @param sender - entity command source
* @param runtimeArgs = options
*/
public boolean execute(ServerCommandSource sender, List<Value> runtimeArgs)
{
if (!this.parametrizedArgs.isEmpty())
{
runtimeArgs = new ArrayList<>(runtimeArgs);
runtimeArgs.addAll(this.parametrizedArgs);
}
if (CarpetServer.scriptServer == null) return false; // already stopped
return CarpetServer.scriptServer.runEventCall(
sender.withLevel(CarpetSettings.runPermissionLevel),
host, optionalTarget, function, runtimeArgs
);
}
/**
* Used also in entity events
* @param sender - sender of the signal
* @param optionalRecipient - optional target player argument
* @param runtimeArgs = options
*/
public int signal(ServerCommandSource sender, ServerPlayerEntity optionalRecipient, List<Value> runtimeArgs)
{
// recipent of the call doesn't match the handlingHost
if (optionalRecipient != null && !optionalRecipient.getEntityName().equals(optionalTarget))
return 0;
List<Value> args = runtimeArgs;
if (!this.parametrizedArgs.isEmpty())
{
args = new ArrayList<>(runtimeArgs);
args.addAll(this.parametrizedArgs);
}
return CarpetServer.scriptServer.signal(sender, optionalRecipient, host, function, args, false);
}
@Override
public String toString()
{
return function.getString()+((host==null)?"":"(from "+host+(optionalTarget == null?"":"/"+optionalTarget)+")");
}
public static class Signature
{
String function;
String host;
String target;
public Signature(String fun, String h, String t)
{
function = fun;
host = h;
target = t;
}
}
public static Signature fromString(String str)
{
Pattern find = Pattern.compile("(\\w+)(?:\\(from (\\w+)(?:/(\\w+))?\\))?");
Matcher matcher = find.matcher(str);
if(matcher.matches())
{
return new Signature(matcher.group(1), matcher.group(2), matcher.group(3));
}
return new Signature(str, null, null);
}
}
public static class ScheduledCall extends Callback
{
private final CarpetContext ctx;
public long dueTime;
public ScheduledCall(CarpetContext context, FunctionValue function, List<Value> args, long dueTime)
{
// ignoring target as we will be always calling self
super(context.host.getName(), null, function, args);
this.ctx = context;
this.dueTime = dueTime;
}
/**
* used in scheduled calls
*/
public void execute()
{
CarpetServer.scriptServer.runScheduledCall(ctx.origin, ctx.s, host, (CarpetScriptHost) ctx.host, function, parametrizedArgs);
}
}
public static class CallbackList
{
public final List<Callback> callList;
public final int reqArgs;
final boolean isSystem;
final boolean isGlobalOnly;
final boolean perPlayerDistribution;
public CallbackList(int reqArgs, boolean isSystem, boolean isGlobalOnly)
{
this.callList = new ArrayList<>();
this.reqArgs = reqArgs;
this.isSystem = isSystem;
this.isGlobalOnly = isGlobalOnly;
perPlayerDistribution = isSystem && !isGlobalOnly;
}
/**
* Handles only built-in events from the events system
* @param argumentSupplier
* @param cmdSourceSupplier
*/
public void call(Supplier<List<Value>> argumentSupplier, Supplier<ServerCommandSource> cmdSourceSupplier)
{
if (callList.size() > 0)
{
CarpetProfiler.ProfilerToken currentSection = CarpetProfiler.start_section(null, "Scarpet events", CarpetProfiler.TYPE.GENERAL);
List<Value> argv = argumentSupplier.get(); // empty for onTickDone
ServerCommandSource source;
try
{
source = cmdSourceSupplier.get();
}
catch (NullPointerException noReference) // todo figure out what happens when closing.
{
return;
}
String nameCheck = perPlayerDistribution?source.getName():null;
assert argv.size() == reqArgs;
List<Callback> fails = new ArrayList<>();
for (Callback call: callList)
{
// supressing calls where target player hosts simply don't match
// handling global hosts with player targets is left to when the host is resolved (few calls deeper).
if (nameCheck != null && call.optionalTarget != null && !nameCheck.equals(call.optionalTarget)) continue;
if (!call.execute(source, argv)) fails.add(call);
}
for (Callback call : fails) callList.remove(call);
CarpetProfiler.end_current_section(currentSection);
}
}
public int signal(ServerCommandSource sender, ServerPlayerEntity optinoalReceipient, List<Value> callArg)
{
if (callList.isEmpty()) return 0;
//List<Callback> fails = new ArrayList<>();
// skipping fails on purpose - its a player induced call.
int successes = 0;
for (Callback call: callList)
{
successes += Math.max(0, call.signal(sender, optinoalReceipient, callArg));
}
//for (Callback call : fails) callList.remove(call);
return successes;
}
public boolean addFromExternal(ServerCommandSource source, String hostName, String funName, Consumer<ScriptHost> hostOnEventHandler)
{
ScriptHost host = CarpetServer.scriptServer.getHostByName(hostName);
if (host == null)
{
// impossible call to add
Messenger.m(source, "r Unknown app "+hostName);
return false;
}
hostOnEventHandler.accept(host);
FunctionValue udf = host.getFunction(funName);
if (udf == null || udf.getArguments().size() != reqArgs)
{
// call won't match arguments
Messenger.m(source, "r Callback doesn't expect required number of arguments: "+reqArgs);
return false;
}
String target = null;
if (host.isPerUser())
{
try
{
target = source.getPlayer().getEntityName();
}
catch (CommandSyntaxException e)
{
Messenger.m(source, "r Cannot add event to a player scoped app from a command without a player context");
return false;
}
}
//all clear
//remove duplicates
removeEventCall(hostName, target, udf.getString());
callList.add(new Callback(hostName, target, udf, null));
return true;
}
public boolean addEventCallInternal(ScriptHost host, FunctionValue function, List<Value> args)
{
if (function == null || (function.getArguments().size() - args.size()) != reqArgs)
{
return false;
}
//all clear
//remove duplicates
removeEventCall(host.getName(), host.user, function.getString());
callList.add(new Callback(host.getName(), host.user, function, args));
return true;
}
public void removeEventCall(String hostName, String target, String funName)
{
callList.removeIf((c)-> c.function.getString().equals(funName)
&& (Objects.equals(c.host, hostName))
&& (Objects.equals(c.optionalTarget, target))
);
}
public void removeAllCalls(CarpetScriptHost host)
{
callList.removeIf((c)-> (Objects.equals(c.host, host.getName()))
&& (Objects.equals(c.optionalTarget, host.user)));
}
public void createChildEvents(CarpetScriptHost host)
{
List<Callback> copyCalls = new ArrayList<>();
callList.forEach((c)->
{
if ((Objects.equals(c.host, host.getName()))
&& c.optionalTarget == null)
{
copyCalls.add(new Callback(c.host, host.user, c.function, c.parametrizedArgs));
}
});
callList.addAll(copyCalls);
}
public void clearEverything()
{
callList.clear();
}
}
public static class Event
{
public static final Map<String, Event> byName = new HashMap<>();
public static List<Event> publicEvents(CarpetScriptServer server)
{
List<Event> events = byName.values().stream().filter(e -> e.isPublic).collect(Collectors.toList());
if (server != null) events.addAll(server.events.customEvents.values());
return events;
}
public static final Event START = new Event("server_starts", 0, true)
{
@Override
public void onTick()
{
handler.call(Collections::emptyList, () ->
CarpetServer.minecraft_server.getCommandSource().
withWorld(CarpetServer.minecraft_server.getWorld(World.OVERWORLD))
);
}
};
public static final Event SHUTDOWN = new Event("server_shuts_down", 0, true)
{
@Override
public void onTick()
{
handler.call(Collections::emptyList, () ->
CarpetServer.minecraft_server.getCommandSource().
withWorld(CarpetServer.minecraft_server.getWorld(World.OVERWORLD))
);
}
};
public static final Event TICK = new Event("tick", 0, true)
{
@Override
public void onTick()
{
handler.call(Collections::emptyList, () ->
CarpetServer.minecraft_server.getCommandSource().
withWorld(CarpetServer.minecraft_server.getWorld(World.OVERWORLD))
);
}
};
public static final Event NETHER_TICK = new Event("tick_nether", 0, true)
{
@Override
public boolean deprecated()
{
return true;
}
@Override
public void onTick()
{
handler.call(Collections::emptyList, () ->
CarpetServer.minecraft_server.getCommandSource().
withWorld(CarpetServer.minecraft_server.getWorld(World.NETHER))
);
}
};
public static final Event ENDER_TICK = new Event("tick_ender", 0, true)
{
@Override
public boolean deprecated()
{
return true;
}
@Override
public void onTick()
{
handler.call(Collections::emptyList, () ->
CarpetServer.minecraft_server.getCommandSource().
withWorld(CarpetServer.minecraft_server.getWorld(World.END))
);
}
};
public static final Event CHUNK_GENERATED = new Event("chunk_generated", 2, true)
{
@Override
public void onChunkEvent(ServerWorld world, ChunkPos chPos, boolean generated)
{
handler.call( () ->
{
return Arrays.asList(new NumericValue(chPos.x << 4), new NumericValue(chPos.z << 4));
}, () -> CarpetServer.minecraft_server.getCommandSource().withWorld(world)
);
}
};
public static final Event CHUNK_LOADED = new Event("chunk_loaded", 2, true)
{
@Override
public void onChunkEvent(ServerWorld world, ChunkPos chPos, boolean generated)
{
handler.call( () ->
{
return Arrays.asList(new NumericValue(chPos.x << 4), new NumericValue(chPos.z << 4));
}, () -> CarpetServer.minecraft_server.getCommandSource().withWorld(world)
);
}
};
public static final Event PLAYER_JUMPS = new Event("player_jumps", 1, false)
{
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_DEPLOYS_ELYTRA = new Event("player_deploys_elytra", 1, false)
{
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_WAKES_UP = new Event("player_wakes_up", 1, false)
{
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_ESCAPES_SLEEP = new Event("player_escapes_sleep", 1, false)
{
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_RIDES = new Event("player_rides", 5, false)
{
@Override
public void onMountControls(ServerPlayerEntity player, float strafeSpeed, float forwardSpeed, boolean jumping, boolean sneaking)
{
handler.call( () -> Arrays.asList(new EntityValue(player),
new NumericValue(forwardSpeed), new NumericValue(strafeSpeed), BooleanValue.of(jumping), BooleanValue.of(sneaking)
), player::getCommandSource);
}
};
public static final Event PLAYER_USES_ITEM = new Event("player_uses_item", 3, false)
{
@Override
public void onItemAction(ServerPlayerEntity player, Hand enumhand, ItemStack itemstack)
{
handler.call( () ->
{
//ItemStack itemstack = player.getStackInHand(enumhand);
return Arrays.asList(
new EntityValue(player),
ValueConversions.of(itemstack),
StringValue.of(enumhand == Hand.MAIN_HAND ? "mainhand" : "offhand")
);
}, player::getCommandSource);
}
};
public static final Event PLAYER_CLICKS_BLOCK = new Event("player_clicks_block", 3, false)
{
@Override
public void onBlockAction(ServerPlayerEntity player, BlockPos blockpos, Direction facing)
{
handler.call( () ->
{
return Arrays.asList(
new EntityValue(player),
new BlockValue(null, player.getServerWorld(), blockpos),
StringValue.of(facing.getName())
);
}, player::getCommandSource);
}
};
public static final Event PLAYER_RIGHT_CLICKS_BLOCK = new Event("player_right_clicks_block", 6, false)
{
@Override
public void onBlockHit(ServerPlayerEntity player, Hand enumhand, BlockHitResult hitRes)//ItemStack itemstack, Hand enumhand, BlockPos blockpos, Direction enumfacing, Vec3d vec3d)
{
handler.call( () ->
{
ItemStack itemstack = player.getStackInHand(enumhand);
BlockPos blockpos = hitRes.getBlockPos();
Direction enumfacing = hitRes.getSide();
Vec3d vec3d = hitRes.getPos().subtract(blockpos.getX(), blockpos.getY(), blockpos.getZ());
return Arrays.asList(
new EntityValue(player),
ValueConversions.of(itemstack),
StringValue.of(enumhand == Hand.MAIN_HAND ? "mainhand" : "offhand"),
new BlockValue(null, player.getServerWorld(), blockpos),
StringValue.of(enumfacing.getName()),
ListValue.of(
new NumericValue(vec3d.x),
new NumericValue(vec3d.y),
new NumericValue(vec3d.z)
)
);
}, player::getCommandSource);
}
};
public static final Event PLAYER_INTERACTS_WITH_BLOCK = new Event("player_interacts_with_block", 5, false)
{
@Override
public void onBlockHit(ServerPlayerEntity player, Hand enumhand, BlockHitResult hitRes)
{
handler.call( () ->
{
BlockPos blockpos = hitRes.getBlockPos();
Direction enumfacing = hitRes.getSide();
Vec3d vec3d = hitRes.getPos().subtract(blockpos.getX(), blockpos.getY(), blockpos.getZ());
return Arrays.asList(
new EntityValue(player),
StringValue.of(enumhand == Hand.MAIN_HAND ? "mainhand" : "offhand"),
new BlockValue(null, player.getServerWorld(), blockpos),
StringValue.of(enumfacing.getName()),
ListValue.of(
new NumericValue(vec3d.x),
new NumericValue(vec3d.y),
new NumericValue(vec3d.z)
)
);
}, player::getCommandSource);
}
};
public static final Event PLAYER_PLACES_BLOCK = new Event("player_places_block", 4, false)
{
@Override
public void onBlockPlaced(ServerPlayerEntity player, BlockPos pos, Hand enumhand, ItemStack itemstack)
{
handler.call( () -> Arrays.asList(
new EntityValue(player),
ValueConversions.of(itemstack),
StringValue.of(enumhand == Hand.MAIN_HAND ? "mainhand" : "offhand"),
new BlockValue(null, player.getServerWorld(), pos)
), player::getCommandSource);
}
};
public static final Event PLAYER_BREAK_BLOCK = new Event("player_breaks_block", 2, false)
{
@Override
public void onBlockBroken(ServerPlayerEntity player, BlockPos pos, BlockState previousBS)
{
handler.call(
() -> Arrays.asList(new EntityValue(player), new BlockValue(previousBS, player.getServerWorld(), pos)),
player::getCommandSource
);
}
};
public static final Event PLAYER_INTERACTS_WITH_ENTITY = new Event("player_interacts_with_entity", 3, false)
{
@Override
public void onEntityHandAction(ServerPlayerEntity player, Entity entity, Hand enumhand)
{
handler.call( () -> Arrays.asList(
new EntityValue(player), new EntityValue(entity), StringValue.of(enumhand==Hand.MAIN_HAND?"mainhand":"offhand")
), player::getCommandSource);
}
};
public static final Event PLAYER_TRADES = new Event("player_trades", 5, false)
{
@Override
public void onTrade(ServerPlayerEntity player, Merchant merchant, TradeOffer tradeOffer)
{
handler.call( () -> Arrays.asList(
new EntityValue(player),
merchant instanceof MerchantEntity ? new EntityValue((MerchantEntity) merchant) : Value.NULL,
ValueConversions.of(tradeOffer.getOriginalFirstBuyItem()),
ValueConversions.of(tradeOffer.getSecondBuyItem()),
ValueConversions.of(tradeOffer.getSellItem())
), player::getCommandSource);
}
};
public static final Event PLAYER_PICKS_UP_ITEM = new Event("player_picks_up_item", 2, false)
{
@Override
public void onItemAction(ServerPlayerEntity player, Hand enumhand, ItemStack itemstack) {
handler.call( () -> Arrays.asList(new EntityValue(player), ValueConversions.of(itemstack)), player::getCommandSource);
}
};
public static final Event PLAYER_ATTACKS_ENTITY = new Event("player_attacks_entity", 2, false)
{
@Override
public void onEntityHandAction(ServerPlayerEntity player, Entity entity, Hand enumhand)
{
handler.call( () -> Arrays.asList(new EntityValue(player), new EntityValue(entity)), player::getCommandSource);
}
};
public static final Event PLAYER_STARTS_SNEAKING = new Event("player_starts_sneaking", 1, false)
{
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_STOPS_SNEAKING = new Event("player_stops_sneaking", 1, false)
{
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_STARTS_SPRINTING = new Event("player_starts_sprinting", 1, false)
{
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_STOPS_SPRINTING = new Event("player_stops_sprinting", 1, false)
{
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_RELEASED_ITEM = new Event("player_releases_item", 3, false)
{
@Override
public void onItemAction(ServerPlayerEntity player, Hand enumhand, ItemStack itemstack)
{
// this.getStackInHand(this.getActiveHand()), this.activeItemStack)
handler.call( () ->
Arrays.asList(
new EntityValue(player),
ValueConversions.of(itemstack),
StringValue.of(enumhand == Hand.MAIN_HAND ? "mainhand" : "offhand")
), player::getCommandSource);
}
};
public static final Event PLAYER_FINISHED_USING_ITEM = new Event("player_finishes_using_item", 3, false)
{
@Override
public void onItemAction(ServerPlayerEntity player, Hand enumhand, ItemStack itemstack)
{
// this.getStackInHand(this.getActiveHand()), this.activeItemStack)
handler.call( () ->
Arrays.asList(
new EntityValue(player),
ValueConversions.of(itemstack),
new StringValue(enumhand == Hand.MAIN_HAND ? "mainhand" : "offhand")
), player::getCommandSource);
}
};
public static final Event PLAYER_DROPS_ITEM = new Event("player_drops_item", 1, false)
{
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_DROPS_STACK = new Event("player_drops_stack", 1, false)
{
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_CHOOSES_RECIPE = new Event("player_chooses_recipe", 3, false)
{
@Override
public void onRecipeSelected(ServerPlayerEntity player, Identifier recipe, boolean fullStack)
{
handler.call( () ->
Arrays.asList(
new EntityValue(player),
StringValue.of(NBTSerializableValue.nameFromRegistryId(recipe)),
BooleanValue.of(fullStack)
), player::getCommandSource);
}
};
public static final Event PLAYER_SWITCHES_SLOT = new Event("player_switches_slot", 3, false)
{
@Override
public void onSlotSwitch(ServerPlayerEntity player, int from, int to)
{
if (from == to) return; // initial slot update
handler.call( () ->
Arrays.asList(
new EntityValue(player),
new NumericValue(from),
new NumericValue(to)
), player::getCommandSource);
}
};
public static final Event PLAYER_SWAPS_HANDS = new Event("player_swaps_hands", 1, false)
{
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_SWINGS_HAND = new Event("player_swings_hand", 2, false)
{
@Override
public void onHandAction(ServerPlayerEntity player, Hand hand)
{
handler.call( () -> Arrays.asList(
new EntityValue(player),
StringValue.of(hand == Hand.MAIN_HAND ? "mainhand" : "offhand")
)
, player::getCommandSource);
}
};
public static final Event PLAYER_TAKES_DAMAGE = new Event("player_takes_damage", 4, false)
{
@Override
public void onDamage(Entity target, float amount, DamageSource source)
{
handler.call( () ->
Arrays.asList(
new EntityValue(target),
new NumericValue(amount),
StringValue.of(source.getName()),
source.getAttacker()==null?Value.NULL:new EntityValue(source.getAttacker())
), target::getCommandSource);
}
};
public static final Event PLAYER_DEALS_DAMAGE = new Event("player_deals_damage", 3, false)
{
@Override
public void onDamage(Entity target, float amount, DamageSource source)
{
handler.call( () ->
Arrays.asList(new EntityValue(source.getAttacker()), new NumericValue(amount), new EntityValue(target)),
() -> source.getAttacker().getCommandSource()
);
}
};
public static final Event PLAYER_COLLIDES_WITH_ENTITY = new Event("player_collides_with_entity", 2, false)
{
@Override
public void onEntityHandAction(ServerPlayerEntity player, Entity entity, Hand enumhand) {
handler.call( () -> Arrays.asList(new EntityValue(player), new EntityValue(entity)), player::getCommandSource);
}
};
public static final Event PLAYER_DIES = new Event("player_dies", 1, false)
{
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_RESPAWNS = new Event("player_respawns", 1, false)
{
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_CHANGES_DIMENSION = new Event("player_changes_dimension", 5, false)
{
@Override
public void onDimensionChange(ServerPlayerEntity player, Vec3d from, Vec3d to, RegistryKey<World> fromDim, RegistryKey<World> dimTo)
{
// eligibility already checked in mixin
Value fromValue = ListValue.fromTriple(from.x, from.y, from.z);
Value toValue = (to == null)?Value.NULL:ListValue.fromTriple(to.x, to.y, to.z);
Value fromDimStr = new StringValue(NBTSerializableValue.nameFromRegistryId(fromDim.getValue()));
Value toDimStr = new StringValue(NBTSerializableValue.nameFromRegistryId(dimTo.getValue()));
handler.call( () -> Arrays.asList(new EntityValue(player), fromValue, fromDimStr, toValue, toDimStr), player::getCommandSource);
}
};
public static final Event PLAYER_CONNECTS = new Event("player_connects", 1, false) {
@Override
public void onPlayerEvent(ServerPlayerEntity player)
{
handler.call( () -> Collections.singletonList(new EntityValue(player)), player::getCommandSource);
}
};
public static final Event PLAYER_DISCONNECTS = new Event("player_disconnects", 2, false) {
@Override
public void onPlayerMessage(ServerPlayerEntity player, String message)
{
handler.call( () -> Arrays.asList(new EntityValue(player), new StringValue(message)), player::getCommandSource);
}
};
public static final Event STATISTICS = new Event("statistic", 4, false)
{
private <T> Identifier getStatId(Stat<T> stat)
{
return stat.getType().getRegistry().getId(stat.getValue());
}
private final Set<Identifier> skippedStats = new HashSet<Identifier>(){{
add(Stats.TIME_SINCE_DEATH);
add(Stats.TIME_SINCE_REST);
//add(Stats.PLAY_ONE_MINUTE);
add(Stats.PLAY_TIME);
add(Stats.TOTAL_WORLD_TIME);
}};
@Override
public void onPlayerStatistic(ServerPlayerEntity player, Stat<?> stat, int amount)
{
Identifier id = getStatId(stat);
if (skippedStats.contains(id)) return;
handler.call( () -> Arrays.asList(
new EntityValue(player),
StringValue.of(NBTSerializableValue.nameFromRegistryId(Registry.STAT_TYPE.getId(stat.getType()))),
StringValue.of(NBTSerializableValue.nameFromRegistryId(id)),
new NumericValue(amount)
), player::getCommandSource);
}
};
public static final Event LIGHTNING = new Event("lightning", 2, true)
{
@Override
public void onWorldEventFlag(ServerWorld world, BlockPos pos, int flag)
{
handler.call(
() -> Arrays.asList(
new BlockValue(null, world, pos),
flag>0?Value.TRUE:Value.FALSE
), () -> CarpetServer.minecraft_server.getCommandSource().withWorld(world)
);
}
};
public static final Event CARPET_RULE_CHANGES = new Event("carpet_rule_changes", 2, true)
{
@Override
public void onCarpetRuleChanges(ParsedRule<?> rule, ServerCommandSource source)
{
String identifier = rule.settingsManager.getIdentifier();
final String namespace;
if (!identifier.equals("carpet"))
{
namespace = identifier+":";
} else { namespace = "";}
handler.call(
() -> Arrays.asList(
new StringValue(namespace+rule.name),
new StringValue(rule.getAsString())
), () -> source
);
}
};
//copy of Explosion.getCausingEntity() #TRACK#
private static LivingEntity getExplosionCausingEntity(Entity entity)
{
if (entity == null) return null;
else if (entity instanceof TntEntity) return ((TntEntity)entity).getCausingEntity();
else if (entity instanceof LivingEntity) return (LivingEntity)entity;
else if (entity instanceof ProjectileEntity) {
Entity owner = ((ProjectileEntity)entity).getOwner();
if (owner instanceof LivingEntity) return (LivingEntity)owner;
}
return null;
}
public static final Event EXPLOSION_OUTCOME = new Event("explosion_outcome", 8, true)
{
@Override
public void onExplosion(ServerWorld world, Entity e, Supplier<LivingEntity> attacker, double x, double y, double z, float power, boolean createFire, List<BlockPos> affectedBlocks, List<Entity> affectedEntities, Explosion.DestructionType type)
{
handler.call(
() -> Arrays.asList(
ListValue.fromTriple(x, y, z),
NumericValue.of(power),
EntityValue.of(e),
EntityValue.of(attacker!= null?attacker.get():Event.getExplosionCausingEntity(e)),
StringValue.of(type.name().toLowerCase(Locale.ROOT)),
BooleanValue.of(createFire),
new ListValue(affectedBlocks.stream().filter(b -> !world.isAir(b)). map( // da heck they send air blocks
b -> new BlockValue(world.getBlockState(b),world,b)
).collect(Collectors.toList())),
new ListValue(affectedEntities.stream().map(EntityValue::of).collect(Collectors.toList()))
), () -> CarpetServer.minecraft_server.getCommandSource().withWorld(world)
);
}
};
public static final Event EXPLOSION = new Event("explosion", 6, true)
{
@Override
public void onExplosion(ServerWorld world, Entity e, Supplier<LivingEntity> attacker, double x, double y, double z, float power, boolean createFire, List<BlockPos> affectedBlocks, List<Entity> affectedEntities, Explosion.DestructionType type)
{
handler.call(
() -> Arrays.asList(
ListValue.fromTriple(x, y, z),
NumericValue.of(power),
EntityValue.of(e),
EntityValue.of(attacker!= null?attacker.get():Event.getExplosionCausingEntity(e)),
StringValue.of(type.name().toLowerCase(Locale.ROOT)),
BooleanValue.of(createFire)
), () -> CarpetServer.minecraft_server.getCommandSource().withWorld(world)
);
}
};
@Deprecated
public static String getEntityLoadEventName(EntityType<? extends Entity> et)
{
return "entity_loaded_" + ValueConversions.of(Registry.ENTITY_TYPE.getId(et)).getString();
}
@Deprecated
public static final Map<EntityType<? extends Entity>, Event> ENTITY_LOAD= new HashMap<>()
{{
EntityType.get("zombie");
Registry.ENTITY_TYPE.forEach(et -> {
put(et, new Event(getEntityLoadEventName(et), 1, true, false)
{
@Override
public void onEntityAction(Entity entity, boolean created)
{
handler.call(
() -> Collections.singletonList(new EntityValue(entity)),
() -> CarpetServer.minecraft_server.getCommandSource().withWorld((ServerWorld) entity.world).withLevel(CarpetSettings.runPermissionLevel)
);
}
});
});
}};
public static String getEntityHandlerEventName(EntityType<? extends Entity> et)
{
return "entity_handler_" + ValueConversions.of(Registry.ENTITY_TYPE.getId(et)).getString();
}
public static final Map<EntityType<? extends Entity>, Event> ENTITY_HANDLER= new HashMap<>()
{{
EntityType.get("zombie");
Registry.ENTITY_TYPE.forEach(et -> {
put(et, new Event(getEntityHandlerEventName(et), 2, true, false)
{
@Override
public void onEntityAction(Entity entity, boolean created)
{
handler.call(
() -> Arrays.asList(new EntityValue(entity), BooleanValue.of(created)),
() -> CarpetServer.minecraft_server.getCommandSource().withWorld((ServerWorld) entity.world).withLevel(CarpetSettings.runPermissionLevel)
);
}
});
});
}};
// on projectile thrown (arrow from bows, crossbows, tridents, snoballs, e-pearls
public final String name;
public final CallbackList handler;
@Deprecated
public final boolean globalOnly;
public final boolean isPublic; // public events can be targetted with __on_<event> defs
public Event(String name, int reqArgs, boolean isGlobalOnly)
{
this(name, reqArgs, isGlobalOnly, true);
}
public Event(String name, int reqArgs, boolean isGlobalOnly, boolean isPublic)
{
this.name = name;
this.handler = new CallbackList(reqArgs, true, isGlobalOnly);
this.globalOnly = isGlobalOnly;
this.isPublic = isPublic;
byName.put(name, this);
}
public static List<Event> getAllEvents(CarpetScriptServer server, Predicate<Event> predicate)
{
List<CarpetEventServer.Event> eventList = new ArrayList<>(CarpetEventServer.Event.byName.values());
eventList.addAll(server.events.customEvents.values());
if (predicate == null) return eventList;
return eventList.stream().filter(predicate).collect(Collectors.toList());
}
public static Event getEvent(String name, CarpetScriptServer server)
{
if (byName.containsKey(name)) return byName.get(name);
return server.events.customEvents.get(name);
}
public static Event getOrCreateCustom(String name, CarpetScriptServer server)
{
Event event = getEvent(name, server);
if (event != null) return event;
return new Event(name, server);
}
public static void removeAllHostEvents(CarpetScriptHost host)
{
byName.values().forEach((e) -> e.handler.removeAllCalls(host));
host.getScriptServer().events.customEvents.values().forEach((e) -> e.handler.removeAllCalls(host));
}
public static void transferAllHostEventsToChild(CarpetScriptHost host)
{
byName.values().forEach((e) -> e.handler.createChildEvents(host));
host.getScriptServer().events.customEvents.values().forEach((e) -> e.handler.createChildEvents(host));
}
public static void clearAllBuiltinEvents()
{
byName.values().forEach(e -> e.handler.clearEverything());
}
// custom event constructor
private Event(String name, CarpetScriptServer server)
{
this.name = name;
this.handler = new CallbackList(1, false, false);
this.globalOnly = false;
this.isPublic = true;
server.events.customEvents.put(name, this);
}
//handle_event('event', function...)
//signal_event('event', player or null, args.... ) -> number of apps notified
public boolean isNeeded()
{
return handler.callList.size() > 0;
}
public boolean deprecated() {return false;}
//stubs for calls just to ease calls in vanilla code so they don't need to deal with scarpet value types
public void onTick() { }
public void onChunkEvent(ServerWorld world, ChunkPos chPos, boolean generated) { }
public void onPlayerEvent(ServerPlayerEntity player) { }
public void onPlayerMessage(ServerPlayerEntity player, String message) { }
public void onPlayerStatistic(ServerPlayerEntity player, Stat<?> stat, int amount) { }
public void onMountControls(ServerPlayerEntity player, float strafeSpeed, float forwardSpeed, boolean jumping, boolean sneaking) { }
public void onItemAction(ServerPlayerEntity player, Hand enumhand, ItemStack itemstack) { }
public void onBlockAction(ServerPlayerEntity player, BlockPos blockpos, Direction facing) { }
public void onBlockHit(ServerPlayerEntity player, Hand enumhand, BlockHitResult hitRes) { }
public void onBlockBroken(ServerPlayerEntity player, BlockPos pos, BlockState previousBS) { }
public void onBlockPlaced(ServerPlayerEntity player, BlockPos pos, Hand enumhand, ItemStack itemstack) { }
public void onEntityHandAction(ServerPlayerEntity player, Entity entity, Hand enumhand) { }
public void onHandAction(ServerPlayerEntity player, Hand enumhand) { }
public void onEntityAction(Entity entity, boolean created) { }
public void onDimensionChange(ServerPlayerEntity player, Vec3d from, Vec3d to, RegistryKey<World> fromDim, RegistryKey<World> dimTo) {}
public void onDamage(Entity target, float amount, DamageSource source) { }
public void onRecipeSelected(ServerPlayerEntity player, Identifier recipe, boolean fullStack) {}
public void onSlotSwitch(ServerPlayerEntity player, int from, int to) {}
public void onTrade(ServerPlayerEntity player, Merchant merchant, TradeOffer tradeOffer) {}
public void onExplosion(ServerWorld world, Entity e, Supplier<LivingEntity> attacker, double x, double y, double z, float power, boolean createFire, List<BlockPos> affectedBlocks, List<Entity> affectedEntities, Explosion.DestructionType type) { }
public void onWorldEvent(ServerWorld world, BlockPos pos) { }
public void onWorldEventFlag(ServerWorld world, BlockPos pos, int flag) { }
public void onCarpetRuleChanges(ParsedRule<?> rule, ServerCommandSource source) { }
public void onCustomPlayerEvent(ServerPlayerEntity player, Object ... args)
{
if (handler.reqArgs != (args.length+1))
throw new InternalExpressionException("Expected "+handler.reqArgs+" arguments for "+name+", got "+(args.length+1));
handler.call(
() -> {
List<Value> valArgs = new ArrayList<>();
valArgs.add(EntityValue.of(player));
for (Object o: args)
{
valArgs.add(ValueConversions.guess(player.getServerWorld(), o));
}
return valArgs;
}, player::getCommandSource
);
}
public void onCustomWorldEvent(ServerWorld world, Object ... args)
{
if (handler.reqArgs != args.length)
throw new InternalExpressionException("Expected "+handler.reqArgs+" arguments for "+name+", got "+args.length);
handler.call(
() -> {
List<Value> valArgs = new ArrayList<>();
for (Object o: args)
{
valArgs.add(ValueConversions.guess(world, o));
}
return valArgs;
}, () -> CarpetServer.minecraft_server.getCommandSource().withWorld(world)
);
}
}
public CarpetEventServer(MinecraftServer server)
{
this.server = server;
Event.clearAllBuiltinEvents();
}
public void tick()
{
if (!TickSpeed.process_entities)
return;
Iterator<ScheduledCall> eventIterator = scheduledCalls.iterator();
List<ScheduledCall> currentCalls = new ArrayList<>();
while(eventIterator.hasNext())
{
ScheduledCall call = eventIterator.next();
call.dueTime--;
if (call.dueTime <= 0)
{
currentCalls.add(call);
eventIterator.remove();
}
}
for (ScheduledCall call: currentCalls)
{
call.execute();
}
}
public void scheduleCall(CarpetContext context, FunctionValue function, List<Value> args, long due)
{
scheduledCalls.add(new ScheduledCall(context, function, args, due));
}
public boolean addEventFromCommand(ServerCommandSource source, String event, String host, String funName)
{
Event ev = Event.getEvent(event, CarpetServer.scriptServer);
if (ev == null)
{
return false;
}
boolean added = ev.handler.addFromExternal(source, host, funName, h -> onEventAddedToHost(ev, h));
if (added) Messenger.m(source, "gi Added " + funName + " to " + event);
return added;
}
public void addBuiltInEvent(String event, ScriptHost host, FunctionValue function, List<Value> args)
{
// this is globals only
Event ev = Event.byName.get(event);
onEventAddedToHost(ev, host);
boolean success = ev.handler.addEventCallInternal(host, function, args==null?NOARGS:args);
if (!success) throw new InternalExpressionException("Global event "+event+" requires "+ev.handler.reqArgs+", not "+(function.getNumParams()-((args==null)?0:args.size())));
}
public boolean handleCustomEvent(String event, CarpetScriptHost host, FunctionValue function, List<Value> args)
{
Event ev = Event.getOrCreateCustom(event, host.getScriptServer());
onEventAddedToHost(ev, host);
return ev.handler.addEventCallInternal(host, function, args==null?NOARGS:args);
}
public int signalEvent(String event, CarpetContext cc, ServerPlayerEntity optionalTarget, List<Value> callArgs)
{
Event ev = Event.getEvent(event, ((CarpetScriptHost)cc.host).getScriptServer());
if (ev == null) return -1;
return ev.handler.signal(cc.s, optionalTarget, callArgs);
}
private void onEventAddedToHost(Event event, ScriptHost host)
{
if (event.deprecated()) host.issueDeprecation(event.name+" event");
//return !(event.globalOnly && (host.perUser || host.parent != null));
}
public boolean removeEventFromCommand(ServerCommandSource source, String event, String funName)
{
Event ev = Event.getEvent(event, CarpetServer.scriptServer);
if (ev == null)
{
Messenger.m(source, "r Unknown event: " + event);
return false;
}
Callback.Signature call = Callback.fromString(funName);
ev.handler.removeEventCall(call.host, call.target, call.function);
// could verified if actually removed
Messenger.m(source, "gi Removed event: " + funName + " from "+event);
return true;
}
public boolean removeBuiltInEvent(String event, CarpetScriptHost host)
{
Event ev = Event.getEvent(event, host.getScriptServer());
if (ev == null) return false;
ev.handler.removeAllCalls(host);
return true;
}
public void removeBuiltInEvent(String event, CarpetScriptHost host, String funName)
{
Event ev = Event.getEvent(event, host.getScriptServer());
if (ev != null) ev.handler.removeEventCall(host.getName(), host.user, funName);
}
public void removeAllHostEvents(CarpetScriptHost host)
{
// remove event handlers
Event.removeAllHostEvents(host);
if (host.isPerUser())
for (ScriptHost child: host.userHosts.values()) Event.removeAllHostEvents((CarpetScriptHost) child);
// remove scheduled calls
scheduledCalls.removeIf(sc -> sc.host != null && sc.host.equals(host.getName()));
}
private Pair<String,String> decodeCallback(String funName)
{
Pattern find = Pattern.compile("(\\w+)\\(from (\\w+)\\)");
Matcher matcher = find.matcher(funName);
if(matcher.matches())
{
return Pair.of(matcher.group(2), matcher.group(1));
}
return Pair.of(null, funName);
}
}