Examples of org.terasology.math.Region3i

org.terasology.math.Region3i
Describes an axis-aligned bounded space in 3D integer. @author Immortius


    @Override
    public Color get(String layerName, Rect2i area) {
        Map<String, Class<? extends WorldFacet>> namedFacets = getWorld().getNamedFacets();
        Class<? extends WorldFacet> facetType = namedFacets.get(layerName);
        Region3i area3d = Region3i.createFromMinAndSize(new Vector3i(area.minX(), 0, area.minY()), new Vector3i(area.sizeX(), 1, area.sizeY()));
        Region region = getWorld().getWorldData(area3d);
        ColorSummaryFacet colorSummaryFacet = (ColorSummaryFacet) region.getFacet(facetType);
        return colorSummaryFacet.getColor();
    }

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        }
    }


    @ReceiveEvent(components = {BlockRegionComponent.class})
    public void onBlockRegionChanged(OnChangedComponent event, EntityRef entity) {
        Region3i oldRegion = blockRegions.get(entity);
        for (Vector3i pos : oldRegion) {
            blockRegionLookup.remove(pos);
        }
        BlockRegionComponent regionComp = entity.getComponent(BlockRegionComponent.class);
        blockRegions.put(entity, regionComp.region);

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        }
    }


    @ReceiveEvent(components = {BlockRegionComponent.class})
    public void onBlockRegionDeactivated(BeforeDeactivateComponent event, EntityRef entity) {
        Region3i oldRegion = blockRegions.get(entity);
        for (Vector3i pos : oldRegion) {
            blockRegionLookup.remove(pos);
        }
        blockRegions.remove(entity);
    }

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    @Override
    public void propagateBetween(LitChunk chunk, LitChunk adjChunk, Side side, boolean propagateExternal) {
        IndexProvider indexProvider = createIndexProvider(side);


        Region3i edgeRegion = TeraMath.getEdgeRegion(Region3i.createFromMinAndSize(Vector3i.zero(), ChunkConstants.CHUNK_SIZE), side);


        int edgeSize = edgeRegion.size().x * edgeRegion.size().y * edgeRegion.size().z;
        int[] depth = new int[edgeSize];


        propagateSide(chunk, adjChunk, side, indexProvider, edgeRegion, depth);
        propagateDepth(adjChunk, side, propagateExternal, indexProvider, edgeRegion, depth);
    }

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        this.registry = value;
    }


    @Override
    public ChunkViewCore getLocalView(Vector3i centerChunkPos) {
        Region3i region = Region3i.createFromCenterExtents(centerChunkPos, ChunkConstants.LOCAL_REGION_EXTENTS);
        if (getChunk(centerChunkPos) != null) {
            return createWorldView(region, Vector3i.one());
        }
        return null;
    }

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        return null;
    }


    @Override
    public ChunkViewCore getSubviewAroundBlock(Vector3i blockPos, int extent) {
        Region3i region = TeraMath.getChunkRegionAroundWorldPos(blockPos, extent);
        return createWorldView(region, new Vector3i(-region.min().x, -region.min().y, -region.min().z));
    }

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        return createWorldView(region, new Vector3i(-region.min().x, -region.min().y, -region.min().z));
    }


    @Override
    public ChunkViewCore getSubviewAroundChunk(Vector3i chunkPos) {
        Region3i region = Region3i.createFromCenterExtents(chunkPos, ChunkConstants.LOCAL_REGION_EXTENTS);
        if (getChunk(chunkPos) != null) {
            return createWorldView(region, new Vector3i(-region.min().x, -region.min().y, -region.min().z));
        }
        return null;
    }

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        }
    }


    private void reviewRelevantChunks(Vector3i distance) {
        Vector3i extents = new Vector3i(distance.x / 2, distance.y / 2, distance.z / 2);
        Region3i retainRegion = Region3i.createFromCenterExtents(center, extents);
        Iterator<Vector3i> iter = relevantChunks.iterator();
        while (iter.hasNext()) {
            Vector3i pos = iter.next();
            if (!retainRegion.encompasses(pos)) {
                sendChunkIrrelevant(pos);
                iter.remove();
            }
        }
    }

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        // TODO: This should actually be done based on events from the ChunkProvider on new chunk availability/old chunk removal
        boolean chunksCurrentlyPending = false;
        if (!newChunkPos.equals(chunkPos) || force || pendingChunks) {
            Vector3i viewingDistance = config.getRendering().getViewDistance().getChunkDistance();
            Region3i viewRegion = Region3i.createFromCenterExtents(newChunkPos, new Vector3i(viewingDistance.x / 2, viewingDistance.y / 2, viewingDistance.z / 2));
            if (chunksInProximity.size() == 0 || force || pendingChunks) {
                // just add all visible chunks
                chunksInProximity.clear();
                for (Vector3i chunkPosition : viewRegion) {
                    RenderableChunk c = chunkProvider.getChunk(chunkPosition);
                    if (c != null && worldProvider.getLocalView(c.getPosition()) != null) {
                        chunksInProximity.add(c);
                    } else {
                        chunksCurrentlyPending = true;
                    }
                }
            } else {
                Region3i oldRegion = Region3i.createFromCenterExtents(chunkPos, new Vector3i(viewingDistance.x / 2, viewingDistance.y / 2, viewingDistance.z / 2));


                Iterator<Vector3i> chunksForRemove = oldRegion.subtract(viewRegion);
                // remove
                while (chunksForRemove.hasNext()) {
                    Vector3i r = chunksForRemove.next();
                    RenderableChunk c = chunkProvider.getChunk(r);
                    if (c != null) {

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org.terasology.world.chunks.localChunkProvider.LocalChunkProvider

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