Store biome and height maps, interpolate height map with surrounding terrain on load, store heightmaps for old worlds that didn't have them on load.

fixes #350
This commit is contained in:
IntegratedQuantum 2024-06-17 11:44:51 +02:00
parent 43f37763ce
commit 3de8271671
5 changed files with 433 additions and 8 deletions

View File

@ -270,6 +270,7 @@ pub fn loadWorldAssets(assetFolder: []const u8, blockPalette: *Palette, biomePal
}
// Biomes:
var i: u32 = 0;
for(biomePalette.palette.items) |id| {
const nullValue = biomes.get(id);
var json: JsonElement = undefined;
@ -279,13 +280,15 @@ pub fn loadWorldAssets(assetFolder: []const u8, blockPalette: *Palette, biomePal
std.log.err("Missing biomes: {s}. Replacing it with default biomes.", .{id});
json = .{.JsonNull={}};
}
biomes_zig.register(id, json);
biomes_zig.register(id, i, json);
i += 1;
}
iterator = biomes.iterator();
while(iterator.next()) |entry| {
if(biomes_zig.hasRegistered(entry.key_ptr.*)) continue;
biomes_zig.register(entry.key_ptr.*, entry.value_ptr.*);
biomes_zig.register(entry.key_ptr.*, i, entry.value_ptr.*);
biomePalette.add(entry.key_ptr.*);
i += 1;
}
biomes_zig.finishLoading();

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@ -458,6 +458,24 @@ pub const ServerChunk = struct {
pub fn save(self: *ServerChunk, world: *main.server.ServerWorld) void {
self.mutex.lock();
defer self.mutex.unlock();
if(!self.wasStored and self.super.pos.voxelSize == 1) {
// Store the surrounding map pieces as well:
self.mutex.unlock();
defer self.mutex.lock();
const mapStartX = self.super.pos.wx -% main.server.terrain.SurfaceMap.MapFragment.mapSize/2 & ~@as(i32, main.server.terrain.SurfaceMap.MapFragment.mapMask);
const mapStartY = self.super.pos.wy -% main.server.terrain.SurfaceMap.MapFragment.mapSize/2 & ~@as(i32, main.server.terrain.SurfaceMap.MapFragment.mapMask);
for(0..2) |dx| {
for(0..2) |dy| {
const mapX = mapStartX +% main.server.terrain.SurfaceMap.MapFragment.mapSize*@as(i32, @intCast(dx));
const mapY = mapStartY +% main.server.terrain.SurfaceMap.MapFragment.mapSize*@as(i32, @intCast(dy));
const map = main.server.terrain.SurfaceMap.getOrGenerateFragmentAndIncreaseRefCount(mapX, mapY, self.super.pos.voxelSize);
defer map.decreaseRefCount();
if(!map.wasStored.swap(true, .monotonic)) {
map.save(null, .{});
}
}
}
}
self.wasStored = true;
if(self.wasChanged) {
const pos = self.super.pos;

View File

@ -69,6 +69,8 @@ pub const MapFragment = struct {
minHeight: f32 = std.math.floatMax(f32),
maxHeight: f32 = 0,
pos: MapFragmentPosition,
wasStored: Atomic(bool) = .{.raw = false},
refCount: Atomic(u16) = Atomic(u16).init(0),
@ -102,6 +104,97 @@ pub const MapFragment = struct {
const yIndex = wy>>self.pos.voxelSizeShift & mapMask;
return self.heightMap[@intCast(xIndex)][@intCast(yIndex)];
}
const StorageHeader = struct {
const activeVersion: u8 = 0;
version: u8 = activeVersion,
neighborInfo: NeighborInfo,
};
const NeighborInfo = packed struct(u8) {
@"-o": bool = false,
@"+o": bool = false,
@"o-": bool = false,
@"o+": bool = false,
@"--": bool = false,
@"-+": bool = false,
@"+-": bool = false,
@"++": bool = false,
};
pub fn load(self: *MapFragment, biomePalette: *main.assets.Palette, originalHeightMap: ?*[mapSize][mapSize]f32) !NeighborInfo {
const saveFolder: []const u8 = std.fmt.allocPrint(main.stackAllocator.allocator, "saves/{s}/maps", .{main.server.world.?.name}) catch unreachable;
defer main.stackAllocator.free(saveFolder);
const path = std.fmt.allocPrint(main.stackAllocator.allocator, "{s}/{}/{}/{}.surface", .{saveFolder, self.pos.voxelSize, self.pos.wx, self.pos.wy}) catch unreachable;
defer main.stackAllocator.free(path);
const fullData = try main.files.read(main.stackAllocator, path);
defer main.stackAllocator.free(fullData);
const header: StorageHeader = .{
.version = fullData[0],
.neighborInfo = @bitCast(fullData[1]),
};
if(header.version != StorageHeader.activeVersion) return error.OutdatedFileVersion;
const compressedData = fullData[@sizeOf(StorageHeader)..];
const rawData: []u8 = main.stackAllocator.alloc(u8, mapSize*mapSize*(@sizeOf(u32) + 2*@sizeOf(f32)));
defer main.stackAllocator.free(rawData);
if(try main.utils.Compression.inflateTo(rawData, compressedData) != rawData.len) return error.CorruptedFile;
const biomeData = rawData[0..mapSize*mapSize*@sizeOf(u32)];
const heightData = rawData[mapSize*mapSize*@sizeOf(u32)..][0..mapSize*mapSize*@sizeOf(f32)];
const originalHeightData = rawData[mapSize*mapSize*(@sizeOf(u32) + @sizeOf(f32))..][0..mapSize*mapSize*@sizeOf(f32)];
for(0..mapSize) |x| {
for(0..mapSize) |y| {
self.biomeMap[x][y] = main.server.terrain.biomes.getById(biomePalette.palette.items[std.mem.readInt(u32, biomeData[4*(x*mapSize + y)..][0..4], .big)]);
self.heightMap[x][y] = @bitCast(std.mem.readInt(u32, heightData[4*(x*mapSize + y)..][0..4], .big));
if(originalHeightMap) |map| map[x][y] = @bitCast(std.mem.readInt(u32, originalHeightData[4*(x*mapSize + y)..][0..4], .big));
}
}
self.wasStored.store(true, .monotonic);
return header.neighborInfo;
}
pub fn save(self: *MapFragment, originalData: ?*[mapSize][mapSize]f32, neighborInfo: NeighborInfo) void {
const rawData: []u8 = main.stackAllocator.alloc(u8, mapSize*mapSize*(@sizeOf(u32) + 2*@sizeOf(f32)));
defer main.stackAllocator.free(rawData);
const biomeData = rawData[0..mapSize*mapSize*@sizeOf(u32)];
const heightData = rawData[mapSize*mapSize*@sizeOf(u32)..][0..mapSize*mapSize*@sizeOf(f32)];
const originalHeightData = rawData[mapSize*mapSize*(@sizeOf(u32) + @sizeOf(f32))..][0..mapSize*mapSize*@sizeOf(f32)];
for(0..mapSize) |x| {
for(0..mapSize) |y| {
std.mem.writeInt(u32, biomeData[4*(x*mapSize + y)..][0..4], self.biomeMap[x][y].paletteId, .big);
std.mem.writeInt(u32, heightData[4*(x*mapSize + y)..][0..4], @bitCast(self.heightMap[x][y]), .big);
std.mem.writeInt(u32, originalHeightData[4*(x*mapSize + y)..][0..4], @bitCast((if(originalData) |map| map else &self.heightMap)[x][y]), .big);
}
}
const compressedData = main.utils.Compression.deflate(main.stackAllocator, rawData);
defer main.stackAllocator.free(compressedData);
const fullData = main.stackAllocator.alloc(u8, compressedData.len + @sizeOf(StorageHeader));
defer main.stackAllocator.free(fullData);
const header: StorageHeader = .{
.neighborInfo = neighborInfo,
};
fullData[0] = header.version;
fullData[1] = @bitCast(header.neighborInfo);
@memcpy(fullData[@sizeOf(StorageHeader)..], compressedData);
const saveFolder: []const u8 = std.fmt.allocPrint(main.stackAllocator.allocator, "saves/{s}/maps", .{main.server.world.?.name}) catch unreachable;
defer main.stackAllocator.free(saveFolder);
const path = std.fmt.allocPrint(main.stackAllocator.allocator, "{s}/{}/{}/{}.surface", .{saveFolder, self.pos.voxelSize, self.pos.wx, self.pos.wy}) catch unreachable;
defer main.stackAllocator.free(path);
const folder = std.fmt.allocPrint(main.stackAllocator.allocator, "{s}/{}/{}", .{saveFolder, self.pos.voxelSize, self.pos.wx}) catch unreachable;
defer main.stackAllocator.free(folder);
main.files.makeDir(folder) catch |err| {
std.log.err("Error while writing to file {s}: {s}", .{path, @errorName(err)});
};
main.files.write(path, fullData) catch |err| {
std.log.err("Error while writing to file {s}: {s}", .{path, @errorName(err)});
};
}
};
/// Generates the detailed(block-level precision) height and biome maps from the climate map.
@ -150,11 +243,292 @@ pub fn deinitGenerators() void {
fn cacheInit(pos: MapFragmentPosition) *MapFragment {
const mapFragment = main.globalAllocator.create(MapFragment);
mapFragment.init(pos.wx, pos.wy, pos.voxelSize);
profile.mapFragmentGenerator.generateMapFragment(mapFragment, profile.seed);
_ = mapFragment.load(main.server.world.?.biomePalette, null) catch {
profile.mapFragmentGenerator.generateMapFragment(mapFragment, profile.seed);
};
_ = @atomicRmw(u16, &mapFragment.refCount.raw, .Add, 1, .monotonic);
return mapFragment;
}
pub fn regenerateLOD(worldName: []const u8) !void {
std.log.info("Regenerating map LODs...", .{});
// Delete old LODs:
for(1..main.settings.highestLOD+1) |i| {
const lod = @as(u32, 1) << @intCast(i);
const path = std.fmt.allocPrint(main.stackAllocator.allocator, "saves/{s}/maps", .{worldName}) catch unreachable;
defer main.stackAllocator.free(path);
const dir = std.fmt.allocPrint(main.stackAllocator.allocator, "{}", .{lod}) catch unreachable;
defer main.stackAllocator.free(dir);
main.files.deleteDir(path, dir) catch |err| {
std.log.err("Error while deleting directory {s}/{s}: {s}", .{path, dir, @errorName(err)});
};
}
// Find all the stored maps:
var mapPositions = main.List(MapFragmentPosition).init(main.stackAllocator);
defer mapPositions.deinit();
const path = std.fmt.allocPrint(main.stackAllocator.allocator, "saves/{s}/maps/1", .{worldName}) catch unreachable;
defer main.stackAllocator.free(path);
{
var dirX = try std.fs.cwd().openDir(path, .{.iterate = true});
defer dirX.close();
var iterX = dirX.iterate();
while(try iterX.next()) |entryX| {
if(entryX.kind != .directory) continue;
const wx = std.fmt.parseInt(i32, entryX.name, 0) catch continue;
var dirY = try dirX.openDir(entryX.name, .{.iterate = true});
defer dirY.close();
var iterY = dirY.iterate();
while(try iterY.next()) |entryY| {
if(entryY.kind != .file) continue;
const nameY = entryY.name[0..std.mem.indexOfScalar(u8, entryY.name, '.') orelse entryY.name.len];
const wy = std.fmt.parseInt(i32, nameY, 0) catch continue;
mapPositions.append(.{.wx = wx, .wy = wy, .voxelSize = 1, .voxelSizeShift = 0});
}
}
}
// Load all the stored maps and update their next LODs.
const interpolationDistance = 64;
for(mapPositions.items) |pos| {
var neighborInfo: MapFragment.NeighborInfo = undefined;
inline for(comptime std.meta.fieldNames(MapFragment.NeighborInfo)) |name| {
var neighborPos = pos;
if(name[0] == '+') neighborPos.wx +%= MapFragment.mapSize;
if(name[0] == '-') neighborPos.wx -%= MapFragment.mapSize;
if(name[1] == '+') neighborPos.wy +%= MapFragment.mapSize;
if(name[1] == '-') neighborPos.wy -%= MapFragment.mapSize;
var isPresent: bool = false;
for(mapPositions.items) |otherPos| {
if(neighborPos.wx == otherPos.wx and neighborPos.wy == otherPos.wy) {
isPresent = true;
break;
}
}
@field(neighborInfo, name) = isPresent;
}
const mapFragment = main.globalAllocator.create(MapFragment);
defer main.stackAllocator.destroy(mapFragment);
mapFragment.init(pos.wx, pos.wy, pos.voxelSize);
var originalHeightMap: [MapFragment.mapSize][MapFragment.mapSize]f32 = undefined;
const oldNeighborInfo = mapFragment.load(main.server.world.?.biomePalette, &originalHeightMap) catch |err| {
std.log.err("Error loading map at position {}: {s}", .{pos, @errorName(err)});
continue;
};
if(@as(u8, @bitCast(neighborInfo)) != @as(u8, @bitCast(oldNeighborInfo))) {
// Now we do the fun stuff
// Basically we want to only keep the interpolated map in the direction of the changes.
// Edges:
if(neighborInfo.@"+o" != oldNeighborInfo.@"+o" or neighborInfo.@"-o" != oldNeighborInfo.@"-o" or neighborInfo.@"o+" != oldNeighborInfo.@"o+" or neighborInfo.@"o-" != oldNeighborInfo.@"o-") {
for(0..interpolationDistance) |a| { // edges
for(interpolationDistance..MapFragment.mapSize - interpolationDistance) |b| {
if(neighborInfo.@"+o" and !oldNeighborInfo.@"+o") {
const x = MapFragment.mapSize - 1 - a;
const y = b;
originalHeightMap[x][y] = mapFragment.heightMap[x][y];
}
if(neighborInfo.@"-o" and !oldNeighborInfo.@"-o") {
const x = a;
const y = b;
originalHeightMap[x][y] = mapFragment.heightMap[x][y];
}
if(neighborInfo.@"o+" and !oldNeighborInfo.@"o+") {
const x = b;
const y = MapFragment.mapSize - 1 - a;
originalHeightMap[x][y] = mapFragment.heightMap[x][y];
}
if(neighborInfo.@"o-" and !oldNeighborInfo.@"o-") {
const x = b;
const y = a;
originalHeightMap[x][y] = mapFragment.heightMap[x][y];
}
}
}
}
// Corners:
{
for(0..interpolationDistance) |a| { // corners:
for(0..interpolationDistance) |b| {
const weirdSquareInterpolation = struct{fn interp(x: f32, y: f32) f32 {
// Basically we want to interpolate the values such that two sides of the square have value zero, while the opposing two sides have value 1.
// Chenge coordinate system:
if(x == y) return 0.5;
const sqrt2 = @sqrt(0.5);
const k = sqrt2*x + sqrt2*y - sqrt2;
const l = -sqrt2*x + sqrt2*y;
const maxMagnitude = sqrt2 - @abs(k);
return l/maxMagnitude*0.5 + 0.5;
// if x = y:
}}.interp;
var factorA = @as(f32, @floatFromInt(a))/interpolationDistance;
factorA = (3 - 2*factorA)*factorA*factorA;
var factorB = @as(f32, @floatFromInt(b))/interpolationDistance;
factorB = (3 - 2*factorB)*factorB*factorB;
if(neighborInfo.@"+o" or neighborInfo.@"o+") {
var factor: f32 = 1;
if(neighborInfo.@"+o" and neighborInfo.@"o+" == oldNeighborInfo.@"o+" and !oldNeighborInfo.@"+o") factor = weirdSquareInterpolation(1 - factorB, 1 - factorA);
if(neighborInfo.@"o+" and neighborInfo.@"+o" == oldNeighborInfo.@"+o" and !oldNeighborInfo.@"o+") factor = weirdSquareInterpolation(1 - factorA, 1 - factorB);
if(neighborInfo.@"+o" == oldNeighborInfo.@"+o" and neighborInfo.@"o+" == oldNeighborInfo.@"o+") factor = 0;
if(neighborInfo.@"+o" and neighborInfo.@"o+" and neighborInfo.@"++") factor = 1;
const x = MapFragment.mapSize - 1 - a;
const y = MapFragment.mapSize - 1 - b;
originalHeightMap[x][y] = mapFragment.heightMap[x][y]*factor + originalHeightMap[x][y]*(1 - factor);
}
if(neighborInfo.@"+o" or neighborInfo.@"o-") {
var factor: f32 = 1;
if(neighborInfo.@"+o" and neighborInfo.@"o-" == oldNeighborInfo.@"o-" and !oldNeighborInfo.@"+o") factor = weirdSquareInterpolation(1 - factorB, 1 - factorA);
if(neighborInfo.@"o-" and neighborInfo.@"+o" == oldNeighborInfo.@"+o" and !oldNeighborInfo.@"o-") factor = weirdSquareInterpolation(1 - factorA, 1 - factorB);
if(neighborInfo.@"+o" == oldNeighborInfo.@"+o" and neighborInfo.@"o-" == oldNeighborInfo.@"o-") factor = 0;
if(neighborInfo.@"+o" and neighborInfo.@"o-" and neighborInfo.@"+-") factor = 1;
const x = MapFragment.mapSize - 1 - a;
const y = b;
originalHeightMap[x][y] = mapFragment.heightMap[x][y]*factor + originalHeightMap[x][y]*(1 - factor);
}
if(neighborInfo.@"-o" or neighborInfo.@"o+") {
var factor: f32 = 1;
if(neighborInfo.@"-o" and neighborInfo.@"o+" == oldNeighborInfo.@"o+" and !oldNeighborInfo.@"-o") factor = weirdSquareInterpolation(1 - factorB, 1 - factorA);
if(neighborInfo.@"o+" and neighborInfo.@"-o" == oldNeighborInfo.@"-o" and !oldNeighborInfo.@"o+") factor = weirdSquareInterpolation(1 - factorA, 1 - factorB);
if(neighborInfo.@"-o" == oldNeighborInfo.@"-o" and neighborInfo.@"o+" == oldNeighborInfo.@"o+") factor = 0;
if(neighborInfo.@"-o" and neighborInfo.@"o+" and neighborInfo.@"-+") factor = 1;
const x = a;
const y = MapFragment.mapSize - 1 - b;
originalHeightMap[x][y] = mapFragment.heightMap[x][y]*factor + originalHeightMap[x][y]*(1 - factor);
}
if(neighborInfo.@"-o" or neighborInfo.@"o-") {
var factor: f32 = 1;
if(neighborInfo.@"-o" and neighborInfo.@"o-" == oldNeighborInfo.@"o-" and !oldNeighborInfo.@"-o") factor = weirdSquareInterpolation(1 - factorB, 1 - factorA);
if(neighborInfo.@"o-" and neighborInfo.@"-o" == oldNeighborInfo.@"-o" and !oldNeighborInfo.@"o-") factor = weirdSquareInterpolation(1 - factorA, 1 - factorB);
if(neighborInfo.@"-o" == oldNeighborInfo.@"-o" and neighborInfo.@"o-" == oldNeighborInfo.@"o-") factor = 0;
if(neighborInfo.@"-o" and neighborInfo.@"o-" and neighborInfo.@"--") factor = 1;
const x = a;
const y = b;
originalHeightMap[x][y] = mapFragment.heightMap[x][y]*factor + originalHeightMap[x][y]*(1 - factor);
}
}
}
}
}
{ // Interpolate the terraing height:
const generatedMap = main.globalAllocator.create(MapFragment);
defer main.stackAllocator.destroy(generatedMap);
generatedMap.init(pos.wx, pos.wy, pos.voxelSize);
profile.mapFragmentGenerator.generateMapFragment(generatedMap, profile.seed);
@memcpy(&mapFragment.heightMap, &originalHeightMap);
for(0..interpolationDistance) |a| { // edges
for(0..MapFragment.mapSize) |b| {
var factor = @as(f32, @floatFromInt(a))/interpolationDistance;
factor = (3 - 2*factor)*factor*factor;
if(!neighborInfo.@"+o") {
const x = MapFragment.mapSize - 1 - a;
const y = b;
mapFragment.heightMap[x][y] = mapFragment.heightMap[x][y]*factor + generatedMap.heightMap[x][y]*(1 - factor);
}
if(!neighborInfo.@"-o") {
const x = a;
const y = b;
mapFragment.heightMap[x][y] = mapFragment.heightMap[x][y]*factor + generatedMap.heightMap[x][y]*(1 - factor);
}
if(!neighborInfo.@"o+") {
const x = b;
const y = MapFragment.mapSize - 1 - a;
mapFragment.heightMap[x][y] = mapFragment.heightMap[x][y]*factor + generatedMap.heightMap[x][y]*(1 - factor);
}
if(!neighborInfo.@"o-") {
const x = b;
const y = a;
mapFragment.heightMap[x][y] = mapFragment.heightMap[x][y]*factor + generatedMap.heightMap[x][y]*(1 - factor);
}
}
}
for(0..interpolationDistance) |a| { // corners:
for(0..interpolationDistance) |b| {
var factorA = @as(f32, @floatFromInt(a))/interpolationDistance;
factorA = (3 - 2*factorA)*factorA*factorA;
var factorB = @as(f32, @floatFromInt(b))/interpolationDistance;
factorB = (3 - 2*factorB)*factorB*factorB;
const factor = 1 - (1 - factorA)*(1 - factorB);
if(!neighborInfo.@"++" and neighborInfo.@"+o" and neighborInfo.@"o+") {
const x = MapFragment.mapSize - 1 - a;
const y = MapFragment.mapSize - 1 - b;
mapFragment.heightMap[x][y] = mapFragment.heightMap[x][y]*factor + generatedMap.heightMap[x][y]*(1 - factor);
}
if(!neighborInfo.@"+-" and neighborInfo.@"+o" and neighborInfo.@"o-") {
const x = MapFragment.mapSize - 1 - a;
const y = b;
mapFragment.heightMap[x][y] = mapFragment.heightMap[x][y]*factor + generatedMap.heightMap[x][y]*(1 - factor);
}
if(!neighborInfo.@"-+" and neighborInfo.@"-o" and neighborInfo.@"o+") {
const x = a;
const y = MapFragment.mapSize - 1 - b;
mapFragment.heightMap[x][y] = mapFragment.heightMap[x][y]*factor + generatedMap.heightMap[x][y]*(1 - factor);
}
if(!neighborInfo.@"--" and neighborInfo.@"-o" and neighborInfo.@"o-") {
const x = a;
const y = b;
mapFragment.heightMap[x][y] = mapFragment.heightMap[x][y]*factor + generatedMap.heightMap[x][y]*(1 - factor);
}
}
}
}
mapFragment.save(&originalHeightMap, neighborInfo); // Store the interpolated map
// Generate LODs
var cur = mapFragment;
defer if(cur.pos.voxelSize != 1) cur.decreaseRefCount();
while(cur.pos.voxelSizeShift < main.settings.highestLOD) {
var nextPos = cur.pos;
nextPos.voxelSize *= 2;
nextPos.voxelSizeShift += 1;
const nextMask = ~@as(i32, nextPos.voxelSize*MapFragment.mapSize - 1);
nextPos.wx &= nextMask;
nextPos.wy &= nextMask;
const next = getOrGenerateFragmentAndIncreaseRefCount(nextPos.wx, nextPos.wy, nextPos.voxelSize);
const offSetX: usize = @intCast((cur.pos.wx -% nextPos.wx) >> nextPos.voxelSizeShift);
const offSetY: usize = @intCast((cur.pos.wy -% nextPos.wy) >> nextPos.voxelSizeShift);
for(0..MapFragment.mapSize/2) |x| {
for(0..MapFragment.mapSize/2) |y| {
var biomes: [4]?*const Biome = .{null} ** 4;
var biomeCounts: [4]u8 = .{0} ** 4;
var height: f32 = 0;
for(0..2) |dx| {
for(0..2) |dy| {
const curX = x*2 + dx;
const curY = y*2 + dy;
height += cur.heightMap[curX][curY]/4;
const biome = cur.biomeMap[curX][curY];
for(0..4) |i| {
if(biomes[i] == biome) {
biomeCounts[i] += 1;
break;
} else if(biomes[i] == null) {
biomes[i] = biome;
biomeCounts[i] += 1;
break;
}
}
}
}
var bestBiome: *const Biome = biomes[0].?;
var bestBiomeCount: u8 = biomeCounts[0];
for(1..4) |i| {
if(biomeCounts[i] > bestBiomeCount) {
bestBiomeCount = biomeCounts[i];
bestBiome = biomes[i].?;
}
}
const nextX = offSetX + x;
const nextY = offSetY + y;
next.heightMap[nextX][nextY] = height;
next.biomeMap[nextX][nextY] = bestBiome;
}
}
next.save(null, .{});
next.wasStored.store(true, .monotonic);
if(cur.pos.voxelSize != 1) cur.decreaseRefCount();
cur = next;
}
}
std.log.info("Finished regenerating map LODs...", .{});
}
pub fn init(_profile: TerrainGenerationProfile) void {
profile = _profile;
}

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@ -237,6 +237,7 @@ pub const Biome = struct {
fogDensity: f32,
fogColor: Vec3f,
id: []const u8,
paletteId: u32,
structure: BlockStructure = undefined,
/// Whether the starting point of a river can be in this biome. If false rivers will be able to flow through this biome anyways.
supportsRivers: bool, // TODO: Reimplement rivers.
@ -250,9 +251,10 @@ pub const Biome = struct {
isValidPlayerSpawn: bool,
chance: f32,
pub fn init(self: *Biome, id: []const u8, json: JsonElement) void {
pub fn init(self: *Biome, id: []const u8, paletteId: u32, json: JsonElement) void {
self.* = Biome {
.id = main.globalAllocator.dupe(u8, id),
.paletteId = paletteId,
.properties = GenerationProperties.fromJson(json.getChild("properties")),
.isCave = json.get(bool, "isCave", false),
.radius = json.get(f32, "radius", 256),
@ -556,11 +558,11 @@ pub fn deinit() void {
StructureModel.modelRegistry.clearAndFree(main.globalAllocator.allocator);
}
pub fn register(id: []const u8, json: JsonElement) void {
pub fn register(id: []const u8, paletteId: u32, json: JsonElement) void {
std.log.debug("Registered biome: {s}", .{id});
std.debug.assert(!finishedLoading);
var biome: Biome = undefined;
biome.init(id, json);
biome.init(id, paletteId, json);
if(biome.isCave) {
caveBiomes.append(biome);
} else {

View File

@ -425,6 +425,7 @@ pub const ServerWorld = struct {
const RegenerateLODTask = struct {
pos: ChunkPosition,
storeMaps: bool,
const vtable = utils.ThreadPool.VTable{
.getPriority = @ptrCast(&getPriority),
@ -433,10 +434,11 @@ pub const ServerWorld = struct {
.clean = @ptrCast(&clean),
};
pub fn schedule(pos: ChunkPosition) void {
pub fn schedule(pos: ChunkPosition, storeMaps: bool) void {
const task = main.globalAllocator.create(RegenerateLODTask);
task.* = .{
.pos = pos,
.storeMaps = storeMaps,
};
main.threadPool.addTask(task, &vtable);
}
@ -469,6 +471,22 @@ pub const ServerWorld = struct {
};
const ch = ChunkManager.getOrGenerateChunkAndIncreaseRefCount(pos);
defer ch.decreaseRefCount();
if(self.storeMaps and ch.super.pos.voxelSize == 1) { // TODO: Remove after first release
// Store the surrounding map pieces as well:
const mapStartX = ch.super.pos.wx -% main.server.terrain.SurfaceMap.MapFragment.mapSize/2 & ~@as(i32, main.server.terrain.SurfaceMap.MapFragment.mapMask);
const mapStartY = ch.super.pos.wy -% main.server.terrain.SurfaceMap.MapFragment.mapSize/2 & ~@as(i32, main.server.terrain.SurfaceMap.MapFragment.mapMask);
for(0..2) |dx| {
for(0..2) |dy| {
const mapX = mapStartX +% main.server.terrain.SurfaceMap.MapFragment.mapSize*@as(i32, @intCast(dx));
const mapY = mapStartY +% main.server.terrain.SurfaceMap.MapFragment.mapSize*@as(i32, @intCast(dy));
const map = main.server.terrain.SurfaceMap.getOrGenerateFragmentAndIncreaseRefCount(mapX, mapY, ch.super.pos.voxelSize);
defer map.decreaseRefCount();
if(!map.wasStored.swap(true, .monotonic)) {
map.save(null, .{});
}
}
}
}
var nextPos = pos;
nextPos.wx &= ~@as(i32, self.pos.voxelSize*chunk.chunkSize);
nextPos.wy &= ~@as(i32, self.pos.voxelSize*chunk.chunkSize);
@ -492,6 +510,16 @@ pub const ServerWorld = struct {
fn regenerateLOD(self: *ServerWorld, newBiomeCheckSum: i64) !void {
std.log.info("Biomes have changed. Regenerating LODs... (this might take some time)", .{});
const hasSurfaceMaps = blk: {
const path = std.fmt.allocPrint(main.stackAllocator.allocator, "saves/{s}/maps", .{self.name}) catch unreachable;
defer main.stackAllocator.free(path);
var dir = std.fs.cwd().openDir(path, .{}) catch break :blk false;
defer dir.close();
break :blk true;
};
if(hasSurfaceMaps) {
try terrain.SurfaceMap.regenerateLOD(self.name);
}
// Delete old LODs:
for(1..main.settings.highestLOD+1) |i| {
const lod = @as(u32, 1) << @intCast(i);
@ -535,7 +563,7 @@ pub const ServerWorld = struct {
}
// Load all the stored chunks and update their next LODs.
for(chunkPositions.items) |pos| {
RegenerateLODTask.schedule(pos);
RegenerateLODTask.schedule(pos, !hasSurfaceMaps);
}
self.mutex.lock();