Apply variance to StructureUtility. Bleargh, give me JEP 300 any day.

This commit is contained in:
nicksitnikov committed 2026-08-01 03:23:39 -05:00
1 parent d650c173bf
commit 0fe5a74863
3 files changed
+240 -245

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@@ -21,11 +21,11 @@ import com.google.common.collect.Iterables;
*/
public interface IStructureElementChain<T> extends IStructureElement<T> {
IStructureElement<T>[] fallbacks();
IStructureElement<? super T>[] fallbacks();
@Override
default boolean check(T t, World world, int x, int y, int z) {
for (IStructureElement<T> fallback : fallbacks()) {
for (IStructureElement<? super T> fallback : fallbacks()) {
if (fallback.check(t, world, x, y, z)) {
return true;
}
@@ -35,7 +35,7 @@ public interface IStructureElementChain<T> extends IStructureElement<T> {
@Override
default boolean couldBeValid(T t, World world, int x, int y, int z, ItemStack trigger) {
for (IStructureElement<T> fallback : fallbacks()) {
for (IStructureElement<? super T> fallback : fallbacks()) {
if (fallback.couldBeValid(t, world, x, y, z, trigger)) {
return true;
}
@@ -45,7 +45,7 @@ public interface IStructureElementChain<T> extends IStructureElement<T> {
@Override
default boolean spawnHint(T t, World world, int x, int y, int z, ItemStack trigger) {
for (IStructureElement<T> fallback : fallbacks()) {
for (IStructureElement<? super T> fallback : fallbacks()) {
if (fallback.spawnHint(t, world, x, y, z, trigger)) {
return true;
}
@@ -55,7 +55,7 @@ public interface IStructureElementChain<T> extends IStructureElement<T> {
@Override
default boolean placeBlock(T t, World world, int x, int y, int z, ItemStack trigger) {
for (IStructureElement<T> fallback : fallbacks()) {
for (IStructureElement<? super T> fallback : fallbacks()) {
if (fallback.placeBlock(t, world, x, y, z, trigger)) {
return true;
}
@@ -67,7 +67,7 @@ public interface IStructureElementChain<T> extends IStructureElement<T> {
@Override
default List<String> getDescription(T context) {
Set<String> descriptions = new LinkedHashSet<>();
for (IStructureElement<T> fallback : fallbacks()) {
for (IStructureElement<? super T> fallback : fallbacks()) {
List<String> desc = fallback.getDescription(context);
if (desc != null) {
descriptions.addAll(desc);
@@ -82,7 +82,7 @@ public interface IStructureElementChain<T> extends IStructureElement<T> {
AutoPlaceEnvironment env) {
Predicate<ItemStack> predicate = null;
List<Iterable<ItemStack>> is = new ArrayList<>();
for (IStructureElement<T> fallback : fallbacks()) {
for (IStructureElement<? super T> fallback : fallbacks()) {
BlocksToPlace e = fallback.getBlocksToPlace(t, world, x, y, z, trigger, env);
if (e == null) continue;
if (predicate == null) predicate = e.getPredicate();
@@ -99,7 +99,7 @@ public interface IStructureElementChain<T> extends IStructureElement<T> {
EntityPlayerMP actor, Consumer<IChatComponent> chatter) {
boolean allContinue = true;
List<IChatComponent> bufferedNoise = new ArrayList<>();
for (IStructureElement<T> fallback : fallbacks()) {
for (IStructureElement<? super T> fallback : fallbacks()) {
PlaceResult result = fallback.survivalPlaceBlock(t, world, x, y, z, trigger, s, actor, bufferedNoise::add);
switch (result) {
case REJECT_CONTINUE:
@@ -124,7 +124,7 @@ public interface IStructureElementChain<T> extends IStructureElement<T> {
AutoPlaceEnvironment env) {
boolean allContinue = true;
List<IChatComponent> bufferedNoise = new ArrayList<>();
for (IStructureElement<T> fallback : fallbacks()) {
for (IStructureElement<? super T> fallback : fallbacks()) {
PlaceResult result = fallback
.survivalPlaceBlock(t, world, x, y, z, trigger, env.withChatter(bufferedNoise::add));
switch (result) {
@@ -13,14 +13,14 @@ import net.minecraft.world.World;
class LazyStructureElement<T> implements IStructureElementDeferred<T> {
private Function<T, IStructureElement<T>> to;
private IStructureElement<T> elem;
private Function<? super T, ? extends IStructureElement<? super T>> to;
private IStructureElement<? super T> elem;
public LazyStructureElement(Function<T, IStructureElement<T>> to) {
public LazyStructureElement(Function<? super T, ? extends IStructureElement<? super T>> to) {
this.to = to;
}
private IStructureElement<T> get(T t) {
private IStructureElement<? super T> get(T t) {
if (to != null) {
elem = to.apply(t);
to = null;
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