73 lines
2.3 KiB
Java
73 lines
2.3 KiB
Java
package com.boydti.fawe.jnbt.anvil.filters;
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import com.boydti.fawe.jnbt.anvil.MCAChunk;
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import com.boydti.fawe.jnbt.anvil.MCAFile;
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import com.boydti.fawe.jnbt.anvil.MCAFilterCounter;
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import com.boydti.fawe.object.RunnableVal;
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import com.boydti.fawe.object.number.MutableLong;
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public class TrimFlatFilter extends MCAFilterCounter {
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@Override
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public MCAChunk applyChunk(MCAChunk chunk, MutableLong cache) {
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// Check other layers
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for (int layer = 1; layer < chunk.ids.length; layer++) {
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byte[] idLayer = chunk.ids[layer];
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if (idLayer == null) continue;
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for (int i = 0; i < 4096; i++) {
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if (idLayer[i] != 0) {
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return null;
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}
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}
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{ // Possibly dead code depending on the generator
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chunk.ids[layer] = null;
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chunk.data[layer] = null;
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chunk.setModified();
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}
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}
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byte[] layer0 = chunk.ids[0];
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int index = 0;
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for (int y = 0; y <= 3; y++) {
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for (int z = 0; z < 16; z++) {
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for (int x = 0; x < 16; x++, index++) {
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int id = layer0[index] & 0xFF;
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switch (id) {
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case 2: // grass
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case 3: // dirt
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case 7: // bedrock
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continue;
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default:
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return;
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}
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}
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}
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}
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for (int y = 4; y < 16; y++) {
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for (int z = 0; z < 16; z++) {
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for (int x = 0; x < 16; x++, index++) {
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if (layer0[index] != 0) return;
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}
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}
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}
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// Check floor layers
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cache.add(Character.MAX_VALUE);
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chunk.setDeleted(true);
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return null;
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}
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@Override
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public void finishFile(MCAFile file, MutableLong cache) {
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boolean[] deleteFile = { true };
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file.forEachCachedChunk(new RunnableVal<MCAChunk>() {
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@Override
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public void run(MCAChunk value) {
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if (!value.isDeleted()) {
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deleteFile[0] = false;
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}
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}
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});
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if (deleteFile[0]) {
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file.setDeleted(true);
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}
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}
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} |