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189 lines
7.9 KiB
C++
189 lines
7.9 KiB
C++
#include "minecraft/IGameServices.h"
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#include "minecraft/world/level/newbiome/layer/Layer.h"
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#include <stdint.h>
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#include <memory>
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#include <vector>
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#include "BiomeOverrideLayer.h"
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#include "platform/input/input.h"
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#include "app/common/Console_Debug_enum.h"
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#include "app/linux/LinuxGame.h"
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#include "minecraft/world/level/LevelType.h"
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#include "minecraft/world/level/newbiome/layer/AddIslandLayer.h"
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#include "minecraft/world/level/newbiome/layer/AddMushroomIslandLayer.h"
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#include "minecraft/world/level/newbiome/layer/AddSnowLayer.h"
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#include "minecraft/world/level/newbiome/layer/BiomeInitLayer.h"
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#include "minecraft/world/level/newbiome/layer/FuzzyZoomLayer.h"
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#include "minecraft/world/level/newbiome/layer/GrowMushroomIslandLayer.h"
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#include "minecraft/world/level/newbiome/layer/IslandLayer.h"
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#include "minecraft/world/level/newbiome/layer/RegionHillsLayer.h"
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#include "minecraft/world/level/newbiome/layer/RiverInitLayer.h"
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#include "minecraft/world/level/newbiome/layer/RiverLayer.h"
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#include "minecraft/world/level/newbiome/layer/RiverMixerLayer.h"
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#include "minecraft/world/level/newbiome/layer/ShoreLayer.h"
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#include "minecraft/world/level/newbiome/layer/SmoothLayer.h"
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#include "minecraft/world/level/newbiome/layer/SwampRiversLayer.h"
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#include "minecraft/world/level/newbiome/layer/VoronoiZoom.h"
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#include "minecraft/world/level/newbiome/layer/ZoomLayer.h"
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std::vector<std::shared_ptr<Layer>> Layer::getDefaultLayers(
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int64_t seed, LevelType* levelType) {
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// 4J - Some changes moved here from 1.2.3. Temperature & downfall layers
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// are no longer created & returned, and a debug layer is isn't. For
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// reference with regard to future merging, things NOT brought forward from
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// the 1.2.3 version are new layer types that we don't have yet (shores,
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// swamprivers, region hills etc.)
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std::shared_ptr<Layer> islandLayer = std::make_shared<IslandLayer>(1);
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islandLayer = std::make_shared<FuzzyZoomLayer>(2000, islandLayer);
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islandLayer = std::make_shared<AddIslandLayer>(1, islandLayer);
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islandLayer = std::make_shared<ZoomLayer>(2001, islandLayer);
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islandLayer = std::make_shared<AddIslandLayer>(2, islandLayer);
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islandLayer = std::make_shared<AddSnowLayer>(2, islandLayer);
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islandLayer = std::make_shared<ZoomLayer>(2002, islandLayer);
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islandLayer = std::make_shared<AddIslandLayer>(3, islandLayer);
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islandLayer = std::make_shared<ZoomLayer>(2003, islandLayer);
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islandLayer = std::make_shared<AddIslandLayer>(4, islandLayer);
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// islandLayer = std::make_shared<AddMushroomIslandLayer>(5,
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// islandLayer); // 4J - old position of mushroom island layer
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int zoomLevel = 4;
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if (levelType == LevelType::lvl_largeBiomes) {
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zoomLevel = 6;
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}
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std::shared_ptr<Layer> riverLayer = islandLayer;
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riverLayer = ZoomLayer::zoom(1000, riverLayer, 0);
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riverLayer = std::make_shared<RiverInitLayer>(100, riverLayer);
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riverLayer = ZoomLayer::zoom(1000, riverLayer, zoomLevel + 2);
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riverLayer = std::make_shared<RiverLayer>(1, riverLayer);
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riverLayer = std::make_shared<SmoothLayer>(1000, riverLayer);
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std::shared_ptr<Layer> biomeLayer = islandLayer;
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biomeLayer = ZoomLayer::zoom(1000, biomeLayer, 0);
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biomeLayer = std::make_shared<BiomeInitLayer>(200, biomeLayer, levelType);
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biomeLayer = ZoomLayer::zoom(1000, biomeLayer, 2);
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biomeLayer = std::make_shared<RegionHillsLayer>(1000, biomeLayer);
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for (int i = 0; i < zoomLevel; i++) {
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biomeLayer = std::make_shared<ZoomLayer>(1000 + i, biomeLayer);
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if (i == 0)
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biomeLayer = std::make_shared<AddIslandLayer>(3, biomeLayer);
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if (i == 0) {
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// 4J - moved mushroom islands to here. This skips 3 zooms that the
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// old location of the add was, making them about 1/8 of the
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// original size. Adding them at this scale actually lets us place
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// them near enough other land, if we add them at the same scale as
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// java then they have to be too far out to see for the scale of our
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// maps
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biomeLayer = std::shared_ptr<Layer>(
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new AddMushroomIslandLayer(5, biomeLayer));
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}
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if (i == 1) {
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// 4J - now expand mushroom islands up again. This does a simple
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// region grow to add a new mushroom island element when any of the
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// neighbours are also mushroom islands. This helps make the islands
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// into nice compact shapes of the type that are actually likely to
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// be able to make an island out of the sea in a small space. Also
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// helps the shore layer from doing too much damage in shrinking the
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// islands we are making
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biomeLayer = std::shared_ptr<Layer>(
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new GrowMushroomIslandLayer(5, biomeLayer));
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// Note - this reduces the size of mushroom islands by turning their
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// edges into shores. We are doing this at i == 1 rather than i == 0
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// as the original does
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biomeLayer = std::make_shared<ShoreLayer>(1000, biomeLayer);
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biomeLayer = std::make_shared<SwampRiversLayer>(1000, biomeLayer);
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}
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}
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biomeLayer = std::make_shared<SmoothLayer>(1000, biomeLayer);
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biomeLayer = std::shared_ptr<Layer>(
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new RiverMixerLayer(100, biomeLayer, riverLayer));
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#if !defined(_CONTENT_PACKAGE)
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#if defined(_BIOME_OVERRIDE)
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if (gameServices().debugSettingsOn() &&
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gameServices().debugGetMask(PlatformInput.GetPrimaryPad()) &
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(1L << eDebugSetting_EnableBiomeOverride)) {
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biomeLayer = std::make_shared<BiomeOverrideLayer>(1);
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}
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#endif
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#endif
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std::shared_ptr<Layer> debugLayer = biomeLayer;
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std::shared_ptr<Layer> zoomedLayer =
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std::make_shared<VoronoiZoom>(10, biomeLayer);
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biomeLayer->init(seed);
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zoomedLayer->init(seed);
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std::vector<std::shared_ptr<Layer>> result(3);
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result[0] = biomeLayer;
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result[1] = zoomedLayer;
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result[2] = debugLayer;
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return result;
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}
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Layer::Layer(int64_t seedMixup) {
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parent = nullptr;
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// 4jcraft added casts to prevent signed int overflow
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this->seedMixup = seedMixup;
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this->seedMixup *=
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(uint64_t)this->seedMixup * 6364136223846793005l + 1442695040888963407l;
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this->seedMixup = (uint64_t)this->seedMixup + seedMixup;
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this->seedMixup *=
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(uint64_t)this->seedMixup * 6364136223846793005l + 1442695040888963407l;
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this->seedMixup = (uint64_t)this->seedMixup + seedMixup;
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this->seedMixup *=
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(uint64_t)this->seedMixup * 6364136223846793005l + 1442695040888963407l;
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this->seedMixup = (uint64_t)this->seedMixup + seedMixup;
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}
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void Layer::init(int64_t seed) {
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this->seed = seed;
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if (parent != nullptr) parent->init(seed);
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// 4jcraft added casts to prevent signed int overflow
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this->seed *=
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(uint64_t)this->seed * 6364136223846793005l + 1442695040888963407l;
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this->seed = (uint64_t)this->seed + seedMixup;
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this->seed *=
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(uint64_t)this->seed * 6364136223846793005l + 1442695040888963407l;
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this->seed = (uint64_t)this->seed + seedMixup;
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this->seed *=
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(uint64_t)this->seed * 6364136223846793005l + 1442695040888963407l;
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this->seed = (uint64_t)this->seed + seedMixup;
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}
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void Layer::initRandom(int64_t x, int64_t y) {
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rval = seed;
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// 4jcraft added casts to prevent signed int overflow
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rval *= (uint64_t)rval * 6364136223846793005l + 1442695040888963407l;
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rval += (uint64_t)x;
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rval *= (uint64_t)rval * 6364136223846793005l + 1442695040888963407l;
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rval += (uint64_t)y;
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rval *= (uint64_t)rval * 6364136223846793005l + 1442695040888963407l;
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rval += (uint64_t)x;
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rval *= (uint64_t)rval * 6364136223846793005l + 1442695040888963407l;
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rval += (uint64_t)y;
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}
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int Layer::nextRandom(int max) {
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int result = (int)((rval >> 24) % max);
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if (result < 0) result += max;
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// 4jcraft added cast to unsigned
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rval *= (uint64_t)rval * 6364136223846793005l + 1442695040888963407l;
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rval += (uint64_t)seed;
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return result;
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}
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