MINESOURCEDIVE

// Java used Class<? extends VillagePiece>
// C++ has no equivalent, so 4J made an enum
// for every building type in a village.

enum EPieceClass {
    EPieceClass_SimpleHouse,
    EPieceClass_SmallTemple,
    EPieceClass_BookHouse,
    EPieceClass_SmallHut,
    EPieceClass_PigHouse,
    EPieceClass_DoubleFarmland,
    EPieceClass_Farmland,
    EPieceClass_Smithy,
    EPieceClass_TwoRoomHouse
};

// Each piece type gets a 4-char ID
// and a factory Create function
// registered with StructureFeatureIO.

// 4J - added to replace use of
// Class<? extends VillagePiece>
// within this class
enum EPieceClass
{
    EPieceClass_SimpleHouse,
    EPieceClass_SmallTemple,
    EPieceClass_BookHouse,
    EPieceClass_SmallHut,
    EPieceClass_PigHouse,
    EPieceClass_DoubleFarmland,
    EPieceClass_Farmland,
    EPieceClass_Smithy,
    EPieceClass_TwoRoomHouse
};

// VillagePieces.cpp — loadStatic()
StructureFeatureIO::setPieceId(
    eStructurePiece_Well,
    Well::Create, L"ViW");
StructureFeatureIO::setPieceId(
    eStructurePiece_StraightRoad,
    StraightRoad::Create, L"ViSR");
StructureFeatureIO::setPieceId(
    eStructurePiece_SimpleHouse,
    SimpleHouse::Create, L"ViSH");
StructureFeatureIO::setPieceId(
    eStructurePiece_Smithy,
    Smithy::Create, L"ViS");

// Block data is split into lower (Y 0-127)
// and upper (Y 128-255) halves, each with
// custom compressed storage to fit in RAM.

CompressedTileStorage *lowerBlocks;
CompressedTileStorage *upperBlocks;
SparseLightStorage *lowerSkyLight;
SparseLightStorage *upperSkyLight;

// PS3 uses Cell SPUs for parallel terrain gen.
// 5 Perlin noise jobs run simultaneously on
// SPU cores. Other platforms do it sequentially.

#if defined __PS3__
    // submit 5 noise jobs to SPUs
    port.waitForCompletion();
#else
    // sequential noise calculation
#endif

// 4J - actual storage for blocks is now
// private with public methods to access it
private:
    CompressedTileStorage *lowerBlocks; // 0-127
    CompressedTileStorage *upperBlocks; // 128-255

    SparseDataStorage *lowerData; // 0-127
    SparseDataStorage *upperData; // 128-255

    SparseLightStorage *lowerSkyLight;
    SparseLightStorage *upperSkyLight;
    SparseLightStorage *lowerBlockLight;
    SparseLightStorage *upperBlockLight;

// RandomLevelSource.cpp
#if defined __PS3__ && !defined DISABLE_SPU_CODE
    C4JSpursJobQueue::Port port(
        "C4JSpursJob_PerlinNoise");
    C4JSpursJob_PerlinNoise perlinJob1(
        &g_scaleNoise_SPU);
    // ...submits 5 noise jobs to SPUs
    port.waitForCompletion();
#else
    sr = scaleNoise->getRegion(sr, x, z,
        xSize, zSize, 1.121, 1.121, 0.5);
#endif

// Developer signatures found across the codebase:
// "4J-PB"    — waterfall foam, village bounds
// "4J Stu"   — input system, chunk storage
// "4J JEV"   — various fixes
// "4J-TomK"  — Vita touch controls
// "MGH", "AP"— additional devs
//
// A small studio in Dundee, Scotland,
// signing their work in a codebase they
// maintained across 6 platforms for 7 years.

// RandomLevelSource.cpp
BiomeArray biomes;
// 4J created locally here for thread
// safety, java has this as a class member

// Input.cpp
// 4J Stu - Assume that we only need one
// input class, even though the java has
// subclasses for keyboard/controller

// LiquidTile.cpp
// 4J - change brought forward from 1.8.2
// 4J - note that this code seems to
// basically be a hack to fix a problem
// where post-processed things like lakes
// aren't getting lit properly

// RandomLevelSource.cpp
// this just doesn't seem right - this
// isn't a new fault in the 360 version,
// have checked that java does the same.

// 4J-TomK built the Vita touch system.
// Touch controls register with a "touch box"
// list for each UI layer (HUD, menus, etc).
// Vita also has dedicated .swf files:
//   HUDVita.swf, ControlsVita.swf,
//   CraftingMenuVita.swf, etc.
//
// Plus ad-hoc wireless multiplayer at:
//   PSVita/Network/
//   SQRNetworkManager_AdHoc_Vita.cpp

void UIControl_Touch::init(int iId)
{
    m_id = iId;

    // 4J-TomK - add this touch control
    // to the vita touch box list
    switch(m_parentScene
        ->GetParentLayer()->m_iLayer)
    {
    case eUILayer_Error:
    case eUILayer_Fullscreen:
    case eUILayer_Scene:
    case eUILayer_HUD:
        ui.TouchBoxAdd(
            this, m_parentScene);
        break;
    }
}

// C++ headers are named after Java packages:
net.minecraft.world.level.h
net.minecraft.world.entity.h
net.minecraft.world.level.levelgen.h
net.minecraft.world.level.biome.h
net.minecraft.world.entity.npc.h

// Java's class hierarchy was flattened.
// Class<? extends T> became enums.
// HashMap became flat arrays + spatial hash.
// Garbage collection became manual memory.
// Every abstraction had to be rethought.

// Input.cpp
// 4J Stu - Assume that we only need one
// input class, even though the java has
// subclasses for keyboard/controller
// This function is based on the
// ControllerInput class in the Java, and
// will probably need changed

// VillagePieces.h
EPieceClass pieceClass;
// 4J - EPieceClass was
// Class<? extends VillagePiece>

// LevelChunk.h
byteArray biomes; // 4J Stu - Made public
short terrainPopulated;
// 4J - changed from bool to bitfield
// within short

// RandomLevelSource.cpp
doubleArray buffer;
// 4J - used to be declared with class
// level scope but tidying up for thread
// safety reasons