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Cache ore dictionary compare checks

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This commit is contained in:
Raoul Van den Berge
2016-11-02 19:56:25 +01:00
parent 17366c0cb2
commit 2f8761af5b
1 changed files with 17 additions and 0 deletions
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17
src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/Comparer.java
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@@ -1,11 +1,15 @@
package com.raoulvdberge.refinedstorage.apiimpl.util;
import com.raoulvdberge.refinedstorage.api.util.IComparer;
import com.raoulvdberge.refinedstorage.apiimpl.API;
import net.minecraft.item.ItemStack;
import net.minecraftforge.fluids.FluidStack;
import net.minecraftforge.oredict.OreDictionary;
import org.apache.commons.lang3.ArrayUtils;
import java.util.HashMap;
import java.util.Map;
public class Comparer implements IComparer {
@Override
public boolean isEqual(ItemStack left, ItemStack right, int flags) {
@@ -92,6 +96,8 @@ public class Comparer implements IComparer {
return true;
}
private Map<Integer, Boolean> oredictCache = new HashMap<>();
@Override
public boolean isEqualOredict(ItemStack left, ItemStack right) {
if (left == null && right == null) {
@@ -102,15 +108,26 @@ public class Comparer implements IComparer {
return false;
}
int code = API.instance().getItemStackHashCode(left);
code = 31 * code + API.instance().getItemStackHashCode(right);
if (oredictCache.containsKey(code)) {
return oredictCache.get(code);
}
int[] leftIds = OreDictionary.getOreIDs(left);
int[] rightIds = OreDictionary.getOreIDs(right);
for (int i : rightIds) {
if (ArrayUtils.contains(leftIds, i)) {
oredictCache.put(code, true);
return true;
}
}
oredictCache.put(code, false);
return false;
}
}