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Add API for checking if a tag has been replaced (#63)

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This commit is contained in:
asie 2019-06-09 21:35:01 +02:00
parent baba33ba30
commit e46586a959
8 changed files with 197 additions and 2 deletions
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2
fabric-tag-extensions-v0/build.gradle
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@ -1,5 +1,5 @@
archivesBaseName = "fabric-tag-extensions-v0"
version = getSubprojectVersion(project, "0.1.0")
version = getSubprojectVersion(project, "0.1.1")
dependencies {
compile project(path: ':fabric-api-base', configuration: 'dev')

30
fabric-tag-extensions-v0/src/main/java/net/fabricmc/fabric/api/tag/FabricTag.java Normal file
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@ -0,0 +1,30 @@
/*
* Copyright (c) 2016, 2017, 2018 FabricMC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.fabricmc.fabric.api.tag;
/**
* Interface implemented by {@link net.minecraft.tag.Tag} instances when
* Fabric API is present.
*
* @param <T>
*/
public interface FabricTag<T> {
/**
* @return True if the given tag has been "replaced" by a datapack at least once.
*/
boolean hasBeenReplaced();
}

30
fabric-tag-extensions-v0/src/main/java/net/fabricmc/fabric/api/tag/FabricTagBuilder.java Normal file
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@ -0,0 +1,30 @@
/*
* Copyright (c) 2016, 2017, 2018 FabricMC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.fabricmc.fabric.api.tag;
/**
* Interface implemented by {@link net.minecraft.tag.Tag.Builder} instances when
* Fabric API is present.
*
* @param <T>
*/
public interface FabricTagBuilder<T> {
/**
* Clear the contained entries and mark the tag as replaced.
*/
void clearTagEntries();
}

21
fabric-tag-extensions-v0/src/main/java/net/fabricmc/fabric/impl/tag/FabricTagHooks.java Normal file
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@ -0,0 +1,21 @@
/*
* Copyright (c) 2016, 2017, 2018 FabricMC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.fabricmc.fabric.impl.tag;
public interface FabricTagHooks {
void fabric_setExtraData(int clearCount);
}

39
fabric-tag-extensions-v0/src/main/java/net/fabricmc/fabric/mixin/tag/MixinTag.java Normal file
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@ -0,0 +1,39 @@
/*
* Copyright (c) 2016, 2017, 2018 FabricMC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.fabricmc.fabric.mixin.tag;
import net.fabricmc.fabric.api.tag.FabricTag;
import net.fabricmc.fabric.impl.tag.FabricTagHooks;
import net.minecraft.tag.Tag;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Unique;
@Mixin(Tag.class)
public class MixinTag<T> implements FabricTag<T>, FabricTagHooks {
@Unique
private int fabric_clearCount;
@Override
public boolean hasBeenReplaced() {
return fabric_clearCount > 0;
}
@Override
public void fabric_setExtraData(int clearCount) {
this.fabric_clearCount = clearCount;
}
}

60
fabric-tag-extensions-v0/src/main/java/net/fabricmc/fabric/mixin/tag/MixinTagBuilder.java Normal file
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@ -0,0 +1,60 @@
/*
* Copyright (c) 2016, 2017, 2018 FabricMC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.fabricmc.fabric.mixin.tag;
import com.google.common.collect.Sets;
import com.google.gson.JsonObject;
import net.fabricmc.fabric.api.tag.FabricTagBuilder;
import net.fabricmc.fabric.impl.tag.FabricTagHooks;
import net.minecraft.tag.Tag;
import net.minecraft.util.Identifier;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.Unique;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
import java.util.Set;
import java.util.function.Function;
import java.util.function.Predicate;
@Mixin(Tag.Builder.class)
public class MixinTagBuilder<T> implements FabricTagBuilder<T> {
@Shadow
private Set<Tag.Entry<T>> entries;
@Unique
private int fabric_clearCount;
@Inject(at = @At("RETURN"), method = "build")
public void onBuildFinished(Identifier id, CallbackInfoReturnable<Tag<T>> info) {
((FabricTagHooks) info.getReturnValue()).fabric_setExtraData(fabric_clearCount);
}
@Inject(at = @At(value = "INVOKE", target = "Ljava/util/Set;clear()V"), method = "fromJson")
public void onFromJsonClear(Predicate<Identifier> predicate_1, Function<Identifier, T> function_1, JsonObject jsonObject_1, CallbackInfoReturnable<Tag.Builder<T>> info) {
fabric_clearCount++;
}
@Override
public void clearTagEntries() {
entries.clear();
fabric_clearCount++;
}
}

12
fabric-tag-extensions-v0/src/main/resources/fabric-tag-extensions-v0.mixins.json Normal file
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@ -0,0 +1,12 @@
{
"required": true,
"package": "net.fabricmc.fabric.mixin.tag",
"compatibilityLevel": "JAVA_8",
"mixins": [
"MixinTag",
"MixinTagBuilder"
],
"injectors": {
"defaultRequire": 1
}
}

5
fabric-tag-extensions-v0/src/main/resources/fabric.mod.json
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@ -7,5 +7,8 @@
"fabricloader": ">=0.4.0",
"fabric-api-base": "*",
"fabric-resource-loader-v0": "*"
}
},
"mixins": [
"fabric-tag-extensions-v0.mixins.json"
]
}