static {
VARIATIONS.put(DESERT.getBiomeId(), TIntArrayList.wrap(new int[] {DESERT_HILLS.getBiomeId()}));
VARIATIONS.put(FOREST.getBiomeId(), TIntArrayList.wrap(new int[] {FOREST_HILLS.getBiomeId()}));
VARIATIONS.put(
BIRCH_FOREST.getBiomeId(), TIntArrayList.wrap(new int[] {BIRCH_FOREST_HILLS.getBiomeId()}));
VARIATIONS.put(ROOFED_FOREST.getBiomeId(), TIntArrayList.wrap(new int[] {PLAINS.getBiomeId()}));
VARIATIONS.put(TAIGA.getBiomeId(), TIntArrayList.wrap(new int[] {TAIGA_HILLS.getBiomeId()}));
VARIATIONS.put(
MEGA_TAIGA.getBiomeId(), TIntArrayList.wrap(new int[] {MEGA_TAIGA_HILLS.getBiomeId()}));
VARIATIONS.put(
COLD_TAIGA.getBiomeId(), TIntArrayList.wrap(new int[] {COLD_TAIGA_HILLS.getBiomeId()}));
VARIATIONS.put(
PLAINS.getBiomeId(),
TIntArrayList.wrap(
new int[] {FOREST.getBiomeId(), FOREST.getBiomeId(), FOREST_HILLS.getBiomeId()}));
VARIATIONS.put(
ICE_PLAINS.getBiomeId(), TIntArrayList.wrap(new int[] {ICE_MOUNTAINS.getBiomeId()}));
VARIATIONS.put(JUNGLE.getBiomeId(), TIntArrayList.wrap(new int[] {JUNGLE_HILLS.getBiomeId()}));
VARIATIONS.put(OCEAN.getBiomeId(), TIntArrayList.wrap(new int[] {DEEP_OCEAN.getBiomeId()}));
VARIATIONS.put(
EXTREME_HILLS.getBiomeId(),
TIntArrayList.wrap(new int[] {EXTREME_HILLS_PLUS.getBiomeId()}));
VARIATIONS.put(
SAVANNA.getBiomeId(), TIntArrayList.wrap(new int[] {SAVANNA_PLATEAU.getBiomeId()}));
VARIATIONS.put(
MESA_PLATEAU_FOREST.getBiomeId(), TIntArrayList.wrap(new int[] {MESA.getBiomeId()}));
VARIATIONS.put(MESA_PLATEAU.getBiomeId(), TIntArrayList.wrap(new int[] {MESA.getBiomeId()}));
VARIATIONS.put(MESA.getBiomeId(), TIntArrayList.wrap(new int[] {MESA.getBiomeId()}));
}
@SuppressWarnings("MagicNumber")
public class BiomeVariationMapLayer extends MapLayer {
protected static final TIntList ISLANDS =
TIntArrayList.wrap(new int[] {PLAINS.getBiomeId(), FOREST.getBiomeId()});
protected static final TIntObjectMap<TIntList> VARIATIONS = new TIntObjectHashMap<>(16);
public static final int VARIATION_MOD = 128;
protected final MapLayer belowLayer;
protected final MapLayer variationLayer;
public static TIntList getIslands() {
return ISLANDS;
}
public static TIntObjectMap<TIntList> getVariations() {
return VARIATIONS;
}
public BiomeVariationMapLayer(final long seed, final MapLayer belowLayer) {
this(seed, belowLayer, null);
}
public BiomeVariationMapLayer(
final long seed, final MapLayer belowLayer, final MapLayer variationLayer) {
super(seed);
this.belowLayer = belowLayer;
this.variationLayer = variationLayer;
}
@Override
public int[] generateValues(final int x, final int z, final int sizeX, final int sizeZ) {
if (this.variationLayer == null) {
return this.generateRandomValues(x, z, sizeX, sizeZ);
}
return this.mergeValues(x, z, sizeX, sizeZ);
}
public int[] generateRandomValues(final int x, final int z, final int sizeX, final int sizeZ) {
final int[] values = this.belowLayer.generateValues(x, z, sizeX, sizeZ);
final int[] finalValues = new int[sizeX * sizeZ];
for (int i = 0; i < sizeZ; i++) {
for (int j = 0; j < sizeX; j++) {
int val = values[(j + (i * sizeX))];
if (val > 0) {
this.setCoordsSeed(x + j, z + i);
val = this.nextInt(30) + 2;
}
finalValues[(j + (i * sizeX))] = val;
}
}
return finalValues;
}
public int[] mergeValues(final int x, final int z, final int sizeX, final int sizeZ) {
final int gridX = x - 1;
final int gridZ = z - 1;
final int gridSizeX = sizeX + 2;
final int gridSizeZ = sizeZ + 2;
final int[] values = this.belowLayer.generateValues(gridX, gridZ, gridSizeX, gridSizeZ);
final int[] eValues = this.variationLayer.generateValues(gridX, gridZ, gridSizeX, gridSizeZ);
final int[] finalValues = new int[sizeX * sizeZ];
for (int i = 0; i < sizeZ; i++) {
for (int j = 0; j < sizeX; j++) {
this.setCoordsSeed(x + j, z + i);
final int centerValue = values[(j + 1 + ((i + 1) * gridSizeX))];
final int variationValue = eValues[(j + 1 + ((i + 1) * gridSizeX))];
if ((centerValue != 0) && (variationValue == 3) && (centerValue < VARIATION_MOD)) {
finalValues[(j + (i * sizeX))] =
(getByBiomeId(centerValue + VARIATION_MOD) != null)
? (centerValue + VARIATION_MOD)
: centerValue;
} else if ((variationValue == 2) || (this.nextInt(3) == 0)) {
int val = centerValue;
if (VARIATIONS.containsKey(centerValue)) {
val = VARIATIONS.get(centerValue).get(this.nextInt(VARIATIONS.get(centerValue).size()));
} else if ((centerValue == DEEP_OCEAN.getBiomeId()) && (this.nextInt(3) == 0)) {
val = ISLANDS.get(this.nextInt(ISLANDS.size()));
}
if ((variationValue == 2) && (val != centerValue)) {
val = (getByBiomeId(val + VARIATION_MOD) != null) ? (val + VARIATION_MOD) : centerValue;
}
if (val != centerValue) {
int count = 0;
if (values[(j + 1 + (i * gridSizeX))] == centerValue) { // upper value
count++;
}
if (values[(j + 1 + ((i + 2) * gridSizeX))] == centerValue) { // lower value
count++;
}
if (values[(j + ((i + 1) * gridSizeX))] == centerValue) { // left value
count++;
}
if (values[(j + 2 + ((i + 1) * gridSizeX))] == centerValue) { // right value
count++;
}
// spread mountains if not too close from an edge
finalValues[(j + (i * sizeX))] = (count < 3) ? centerValue : val;
} else {
finalValues[(j + (i * sizeX))] = val;
}
} else {
finalValues[(j + (i * sizeX))] = centerValue;
}
}
}
return finalValues;
}
static {
VARIATIONS.put(DESERT.getBiomeId(), TIntArrayList.wrap(new int[] {DESERT_HILLS.getBiomeId()}));
VARIATIONS.put(FOREST.getBiomeId(), TIntArrayList.wrap(new int[] {FOREST_HILLS.getBiomeId()}));
VARIATIONS.put(
BIRCH_FOREST.getBiomeId(), TIntArrayList.wrap(new int[] {BIRCH_FOREST_HILLS.getBiomeId()}));
VARIATIONS.put(ROOFED_FOREST.getBiomeId(), TIntArrayList.wrap(new int[] {PLAINS.getBiomeId()}));
VARIATIONS.put(TAIGA.getBiomeId(), TIntArrayList.wrap(new int[] {TAIGA_HILLS.getBiomeId()}));
VARIATIONS.put(
MEGA_TAIGA.getBiomeId(), TIntArrayList.wrap(new int[] {MEGA_TAIGA_HILLS.getBiomeId()}));
VARIATIONS.put(
COLD_TAIGA.getBiomeId(), TIntArrayList.wrap(new int[] {COLD_TAIGA_HILLS.getBiomeId()}));
VARIATIONS.put(
PLAINS.getBiomeId(),
TIntArrayList.wrap(
new int[] {FOREST.getBiomeId(), FOREST.getBiomeId(), FOREST_HILLS.getBiomeId()}));
VARIATIONS.put(
ICE_PLAINS.getBiomeId(), TIntArrayList.wrap(new int[] {ICE_MOUNTAINS.getBiomeId()}));
VARIATIONS.put(JUNGLE.getBiomeId(), TIntArrayList.wrap(new int[] {JUNGLE_HILLS.getBiomeId()}));
VARIATIONS.put(OCEAN.getBiomeId(), TIntArrayList.wrap(new int[] {DEEP_OCEAN.getBiomeId()}));
VARIATIONS.put(
EXTREME_HILLS.getBiomeId(),
TIntArrayList.wrap(new int[] {EXTREME_HILLS_PLUS.getBiomeId()}));
VARIATIONS.put(
SAVANNA.getBiomeId(), TIntArrayList.wrap(new int[] {SAVANNA_PLATEAU.getBiomeId()}));
VARIATIONS.put(
MESA_PLATEAU_FOREST.getBiomeId(), TIntArrayList.wrap(new int[] {MESA.getBiomeId()}));
VARIATIONS.put(MESA_PLATEAU.getBiomeId(), TIntArrayList.wrap(new int[] {MESA.getBiomeId()}));
VARIATIONS.put(MESA.getBiomeId(), TIntArrayList.wrap(new int[] {MESA.getBiomeId()}));
}
@Override
public String toString() {
return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)
.appendSuper(super.toString())
.append("belowLayer", this.belowLayer)
.append("variationLayer", this.variationLayer)
.toString();
}
}
