Examples with BlurredValueField ivorius.ivtoolkit.random.BlurredValueField used on opensource projects

Example 1 with BlurredValueField

use of ivorius.ivtoolkit.random.BlurredValueField in project RecurrentComplex by Ivorforce.

the class TransformerAbstractCloud method buildCloud.

public TObjectDoubleMap<BlockPos> buildCloud(S instanceData, IvWorldData worldData, StructurePrepareContext context, TransformerMulti transformer, TransformerMulti.InstanceData transformerInstanceData) {
    Random random = context.random;
    Environment environment = context.environment;
    BlockPos lowerCoord = StructureBoundingBoxes.min(context.boundingBox);
    int[] strucSize = new int[] { worldData.blockCollection.width, worldData.blockCollection.height, worldData.blockCollection.length };
    TObjectDoubleMap<BlockPos> cloud = new TObjectDoubleHashMap<>();
    BlurredValueField blurredValueField = new BlurredValueField(strucSize);
    int gridCoords = 1;
    for (int d : strucSize) gridCoords *= d;
    int values = MathHelper.floor(gridCoords * (1f / 25f) + 0.5f);
    for (int i = 0; i < values; i++) blurredValueField.addValue(1 + (random.nextFloat() - random.nextFloat()) * (float) cloudExpansionRandomization() / 100f, random);
    BlockAreas.mutablePositions(worldData.blockCollection.area()).forEach(pos -> {
        IBlockState state = worldData.blockCollection.getBlockState(pos);
        BlockPos worldCoord = context.transform.apply(pos, strucSize).add(lowerCoord);
        if (matches(instanceData, state) && canPenetrate(environment, worldData, worldCoord, 1, transformer, transformerInstanceData))
            cloud.put(pos.toImmutable(), 1);
    });
    double expansionDistance = cloudExpansionDistance();
    BlockPos.MutableBlockPos sidePos = new BlockPos.MutableBlockPos();
    BlockPos.MutableBlockPos sideWorldCoord = new BlockPos.MutableBlockPos();
    if (expansionDistance > 0.000001) {
        // The code below will be called _often_, so let's cache the divisions
        double[] sideFalloffs = new double[6];
        List<EnumFacing> checkSides = new ArrayList<>();
        for (EnumFacing side : EnumFacing.values()) {
            double sideExpansionDistance = cloudExpansionDistance(side);
            double sideFalloff = sideExpansionDistance > 0.000001 ? 1.0f / sideExpansionDistance / expansionDistance : 0;
            if (sideFalloff > 0) {
                checkSides.add(side);
                sideFalloffs[side.getIndex()] = sideFalloff;
            }
        }
        visitRecursively(Sets.newHashSet(cloud.keySet()), (changed, pos) -> {
            double density = cloud.get(pos);
            for (EnumFacing side : checkSides) {
                double sideFalloff = sideFalloffs[side.getIndex()];
                IvMutableBlockPos.offset(pos, sidePos, side);
                double sideDensity = density - sideFalloff * blurredValueField.getValue(sidePos.getX(), sidePos.getY(), sidePos.getZ());
                if (sideDensity <= 0 || cloud.get(sidePos) >= sideDensity - 0.00001)
                    continue;
                IvMutableBlockPos.add(context.transform.applyOn(sidePos, sideWorldCoord, strucSize), lowerCoord);
                if (!canPenetrate(environment, worldData, sideWorldCoord, sideDensity, transformer, transformerInstanceData))
                    continue;
                BlockPos immutableSidePos = sidePos.toImmutable();
                cloud.put(immutableSidePos, sideDensity);
                changed.add(immutableSidePos);
            }
            return true;
        });
    }
    return cloud;
}

Example 2 with BlurredValueField

use of ivorius.ivtoolkit.random.BlurredValueField in project RecurrentComplex by Ivorforce.

the class TransformerRuins method prepareInstanceData.

@Override
public InstanceData prepareInstanceData(StructurePrepareContext context, IvWorldData worldData) {
    InstanceData instanceData = new InstanceData();
    if (minDecay > 0.0f || maxDecay > 0.0f) {
        BlockArea sourceArea = BlockArea.areaFromSize(BlockPos.ORIGIN, StructureBoundingBoxes.size(context.boundingBox));
        double decayChaos = (context.random.nextDouble() * 0.5 + 0.5) * this.decayChaos;
        instanceData.baseDecay = context.random.nextDouble() * (maxDecay - minDecay) + minDecay;
        int[] surfaceSize = BlockAreas.side(sourceArea, decayDirection).areaSize();
        instanceData.surfaceField = new BlurredValueField(surfaceSize);
        int surfaceValues = MathHelper.floor(product(surfaceSize) * decayValueDensity + 0.5);
        for (int i = 0; i < surfaceValues; i++) instanceData.surfaceField.addValue((context.random.nextDouble() - context.random.nextDouble()) * decayChaos * 1.25, context.random);
        int[] volumeSize = sourceArea.areaSize();
        instanceData.volumeField = new BlurredValueField(volumeSize);
        int volumeValues = MathHelper.floor(product(volumeSize) * decayValueDensity * 0.25 + 0.5);
        for (int i = 0; i < volumeValues; i++) instanceData.volumeField.addValue((context.random.nextDouble() - context.random.nextDouble()) * decayChaos * 0.75, context.random);
        instanceData.clearDecayCache();
    }
    return instanceData;
}