flatten array for pipeline biomes

This commit is contained in:
Zoë Gidiere
2023-11-27 10:08:50 -07:00
parent 3aef977384
commit c82e015559

View File

@@ -14,7 +14,9 @@ public class BiomeChunkImpl implements BiomeChunk {
private final SeededVector worldOrigin;
private final int chunkOriginArrayIndex;
private final int worldCoordinateScale;
private PipelineBiome[][] biomes;
private PipelineBiome[] biomes;
private final int size;
public BiomeChunkImpl(SeededVector worldOrigin, PipelineImpl pipeline) {
@@ -22,14 +24,14 @@ public class BiomeChunkImpl implements BiomeChunk {
this.chunkOriginArrayIndex = pipeline.getChunkOriginArrayIndex();
this.worldCoordinateScale = pipeline.getResolution();
int size = pipeline.getArraySize();
this.size = pipeline.getArraySize();
int expanderCount = pipeline.getExpanderCount();
int expansionsApplied = 0;
// Allocate working arrays
this.biomes = new PipelineBiome[size][size];
PipelineBiome[][] lookupArray = new PipelineBiome[size][size];
this.biomes = new PipelineBiome[size * size];
PipelineBiome[] lookupArray = new PipelineBiome[size * size];
// A second lookup array is required such that stage application doesn't affect lookups, otherwise application may cascade
// Construct working grid
@@ -43,7 +45,7 @@ public class BiomeChunkImpl implements BiomeChunk {
for(int gridZ = 0; gridZ < gridSize; gridZ++) {
int xIndex = gridOrigin + gridX * gridInterval;
int zIndex = gridOrigin + gridZ * gridInterval;
biomes[xIndex][zIndex] = pipeline.getSource().get(worldOrigin.seed(), xIndexToWorldCoordinate(xIndex),
biomes[(xIndex * size) + zIndex] = pipeline.getSource().get(worldOrigin.seed(), xIndexToWorldCoordinate(xIndex),
zIndexToWorldCoordinate(zIndex));
}
}
@@ -65,7 +67,7 @@ public class BiomeChunkImpl implements BiomeChunk {
// Cycle arrays, the previously populated array is swapped to be used for lookups, and the result of the stage application
// overwrites the previous lookup array. This saves having to allocate a new array copy each time
PipelineBiome[][] tempArray = biomes;
PipelineBiome[] tempArray = biomes;
biomes = lookupArray;
lookupArray = tempArray;
@@ -74,7 +76,7 @@ public class BiomeChunkImpl implements BiomeChunk {
for(int gridX = 0; gridX < gridSize; gridX = gridX + 1) {
int xIndex = gridOrigin + gridX * gridInterval;
int zIndex = gridOrigin + gridZ * gridInterval;
biomes[xIndex][zIndex] = stage.apply(new ViewPoint(this, gridInterval, gridX, gridZ, xIndex, zIndex, lookupArray));
biomes[(xIndex * size) + zIndex] = stage.apply(new ViewPoint(this, gridInterval, gridX, gridZ, xIndex, zIndex, lookupArray, size));
}
}
}
@@ -133,7 +135,7 @@ public class BiomeChunkImpl implements BiomeChunk {
public PipelineBiome get(int xInChunk, int zInChunk) {
int xIndex = xInChunk + chunkOriginArrayIndex;
int zIndex = zInChunk + chunkOriginArrayIndex;
return biomes[xIndex][zIndex];
return biomes[(xIndex * size) + zIndex];
}
private int xIndexToWorldCoordinate(int xIndex) {
@@ -159,10 +161,11 @@ public class BiomeChunkImpl implements BiomeChunk {
private final int gridZ;
private final int xIndex;
private final int zIndex;
private final PipelineBiome[][] lookupArray;
private final PipelineBiome[] lookupArray;
private final int size;
private ViewPoint(BiomeChunkImpl chunk, int gridInterval, int gridX, int gridZ, int xIndex, int zIndex,
PipelineBiome[][] lookupArray) {
PipelineBiome[] lookupArray, int size) {
this.chunk = chunk;
this.gridInterval = gridInterval;
this.gridX = gridX;
@@ -170,13 +173,14 @@ public class BiomeChunkImpl implements BiomeChunk {
this.xIndex = xIndex;
this.zIndex = zIndex;
this.lookupArray = lookupArray;
this.biome = lookupArray[xIndex][zIndex];
this.size = size;
this.biome = lookupArray[(this.xIndex * this.size) + this.zIndex];
}
public PipelineBiome getRelativeBiome(int x, int z) {
int lookupXIndex = this.xIndex + x * gridInterval;
int lookupZIndex = this.zIndex + z * gridInterval;
return lookupArray[lookupXIndex][lookupZIndex];
return lookupArray[(lookupXIndex * this.size) + lookupZIndex];
}
public PipelineBiome getBiome() {