/
ComposableModifier.java
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/
ComposableModifier.java
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package slimeknights.tconstruct.library.modifiers.dynamic;
import com.google.common.collect.ImmutableList;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.google.gson.JsonSyntaxException;
import io.netty.handler.codec.DecoderException;
import lombok.AccessLevel;
import lombok.RequiredArgsConstructor;
import lombok.Setter;
import lombok.experimental.Accessors;
import net.minecraft.network.FriendlyByteBuf;
import net.minecraft.network.chat.Component;
import net.minecraft.util.GsonHelper;
import slimeknights.mantle.data.registry.GenericLoaderRegistry.IGenericLoader;
import slimeknights.mantle.util.JsonHelper;
import slimeknights.tconstruct.TConstruct;
import slimeknights.tconstruct.library.modifiers.Modifier;
import slimeknights.tconstruct.library.modifiers.ModifierHook;
import slimeknights.tconstruct.library.modifiers.TinkerHooks;
import slimeknights.tconstruct.library.modifiers.impl.BasicModifier;
import slimeknights.tconstruct.library.modifiers.modules.ModifierModule;
import slimeknights.tconstruct.library.modifiers.modules.ModifierModule.ModuleWithHooks;
import slimeknights.tconstruct.library.modifiers.util.ModifierLevelDisplay;
import slimeknights.tconstruct.library.tools.nbt.IToolContext;
import slimeknights.tconstruct.library.tools.nbt.IToolStackView;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.stream.Collectors;
/** Modifier consisting of many composed hooks, used in datagen as a serialized modifier. */
public class ComposableModifier extends BasicModifier {
private final List<ModuleWithHooks> modules;
/**
* Creates a new instance
* @param levelDisplay Level display
* @param tooltipDisplay Tooltip display
* @param priority If the value is {@link Integer#MIN_VALUE}, assumed unset for datagen
* @param modules Modules for this modifier
*/
protected ComposableModifier(ModifierLevelDisplay levelDisplay, TooltipDisplay tooltipDisplay, int priority, List<ModuleWithHooks> modules) {
super(ModifierModule.createMap(modules), levelDisplay, tooltipDisplay, priority);
this.modules = modules;
}
/** Creates a builder instance for datagen */
public static Builder builder() {
return new Builder();
}
@Override
public IGenericLoader<? extends Modifier> getLoader() {
return LOADER;
}
@Override
public Component getDisplayName(IToolStackView tool, int level) {
return getHook(TinkerHooks.DISPLAY_NAME).getDisplayName(tool, this, level, getDisplayName(level));
}
@Override
public float getEffectiveLevel(IToolContext tool, int level) {
return getHook(TinkerHooks.EFFECTIVE_LEVEL).getEffectiveLevel(tool, this, level);
}
/** Determines when this modifier shows in tooltips */
public enum TooltipDisplay { ALWAYS, TINKER_STATION, NEVER }
/** Computes the recommended priority for a set of modifier modules */
private static int computePriority(List<ModuleWithHooks> modules) {
// poll all modules to find who has a priority preference
List<ModifierModule> priorityModules = new ArrayList<>();
for (ModuleWithHooks module : modules) {
if (module.module().getPriority() != null) {
priorityModules.add(module.module());
}
}
if (!priorityModules.isEmpty()) {
//noinspection ConstantConditions validated nonnull above
int firstPriority = priorityModules.get(0).getPriority();
// check if any module disagrees with the first priority, if so we need a warning (but not more than one warning)
for (int i = 1; i < priorityModules.size(); i++) {
//noinspection ConstantConditions validated nonnull above
if (priorityModules.get(i).getPriority() != firstPriority) {
TConstruct.LOG.warn("Multiple modules disagree on the preferred priority for composable modifier, choosing priority {}. Set the priority manually to silence this warning. All opinions: \n{}", firstPriority,
priorityModules.stream()
.map(module -> "* " + module + ": " + module.getPriority())
.collect(Collectors.joining("\n")));
break;
}
}
return firstPriority;
}
return Modifier.DEFAULT_PRIORITY;
}
public static IGenericLoader<ComposableModifier> LOADER = new IGenericLoader<>() {
@Override
public ComposableModifier deserialize(JsonObject json) {
ModifierLevelDisplay level_display = ModifierLevelDisplay.LOADER.getIfPresent(json, "level_display");
TooltipDisplay tooltipDisplay = TooltipDisplay.ALWAYS;
if (json.has("tooltip_display")) {
tooltipDisplay = JsonHelper.getAsEnum(json, "tooltip_display", TooltipDisplay.class);
}
List<ModuleWithHooks> modules = JsonHelper.parseList(json, "modules", ModuleWithHooks::deserialize);
int priority;
if (json.has("priority")) {
priority = GsonHelper.getAsInt(json, "priority");
} else {
priority = computePriority(modules);
}
// convert illegal argument to json syntax, bit more expected in this context
try {
return new ComposableModifier(level_display, tooltipDisplay, priority, modules);
} catch (IllegalArgumentException e) {
throw new JsonSyntaxException(e.getMessage(), e);
}
}
@Override
public void serialize(ComposableModifier object, JsonObject json) {
json.add("level_display", ModifierLevelDisplay.LOADER.serialize(object.levelDisplay));
json.addProperty("tooltip_display", object.tooltipDisplay.name().toLowerCase(Locale.ROOT));
if (object.priority != Integer.MIN_VALUE) {
json.addProperty("priority", object.priority);
}
JsonArray modules = new JsonArray();
for (ModuleWithHooks module : object.modules) {
modules.add(module.serialize());
}
json.add("modules", modules);
}
@Override
public ComposableModifier fromNetwork(FriendlyByteBuf buffer) {
ModifierLevelDisplay levelDisplay = ModifierLevelDisplay.LOADER.fromNetwork(buffer);
TooltipDisplay tooltipDisplay = buffer.readEnum(TooltipDisplay.class);
int priority = buffer.readInt();
int moduleCount = buffer.readVarInt();
ImmutableList.Builder<ModuleWithHooks> builder = ImmutableList.builder();
for (int i = 0; i < moduleCount; i++) {
builder.add(ModuleWithHooks.fromNetwork(buffer));
}
try {
return new ComposableModifier(levelDisplay, tooltipDisplay, priority, builder.build());
} catch (IllegalArgumentException e) {
throw new DecoderException(e.getMessage(), e);
}
}
@Override
public void toNetwork(ComposableModifier object, FriendlyByteBuf buffer) {
ModifierLevelDisplay.LOADER.toNetwork(object.levelDisplay, buffer);
buffer.writeEnum(object.tooltipDisplay);
buffer.writeInt(object.priority);
buffer.writeVarInt(object.modules.size());
for (ModuleWithHooks module : object.modules) {
module.toNetwork(buffer);
}
}
};
/** Builder for a composable modifier instance */
@SuppressWarnings("UnusedReturnValue") // it's a builder
@RequiredArgsConstructor(access = AccessLevel.PRIVATE)
@Accessors(fluent = true)
public static class Builder {
@Setter
private ModifierLevelDisplay levelDisplay = ModifierLevelDisplay.DEFAULT;
@Setter
private TooltipDisplay tooltipDisplay = TooltipDisplay.ALWAYS;
/** {@link Integer#MIN_VALUE} is an internal value used to represent unset for datagen, to distinguish unset from {@link Modifier#DEFAULT_PRIORITY} */
@Setter
private int priority = Integer.MIN_VALUE;
private final ImmutableList.Builder<ModuleWithHooks> modules = ImmutableList.builder();
/** Adds a module to the builder */
public final Builder addModule(ModifierModule module) {
modules.add(new ModuleWithHooks(module, Collections.emptyList()));
return this;
}
/** Adds a module to the builder */
public final Builder addModules(ModifierModule... modules) {
for (ModifierModule module : modules) {
addModule(module);
}
return this;
}
/** Adds a module to the builder */
@SuppressWarnings("UnusedReturnValue")
@SafeVarargs
public final <T extends ModifierModule> Builder addModule(T object, ModifierHook<? super T>... hooks) {
modules.add(new ModuleWithHooks(object, List.of(hooks)));
return this;
}
/** Builds the final instance */
public ComposableModifier build() {
List<ModuleWithHooks> modules = this.modules.build();
if (priority == Integer.MIN_VALUE) {
// call computePriority if we did not set one so we get the warning if multiple modules wish to set the priority
computePriority(modules);
}
return new ComposableModifier(levelDisplay, tooltipDisplay, priority, modules);
}
}
}