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#include "Globals.h"
#include "PalettedBlockArea.h"
PalettedBlockArea::PalettedBlockArea()
{
// Nothing needed yet
}
PalettedBlockArea PalettedBlockArea::createFilled(
Vector3i aSize,
const AString & aBlockTypeName,
const BlockState & aBlockState
)
{
ASSERT(aSize.x > 0);
ASSERT(aSize.y > 0);
ASSERT(aSize.z > 0);
PalettedBlockArea res;
auto numBlocks = static_cast<UInt64>(aSize.x) * static_cast<UInt64>(aSize.y) * static_cast<UInt64>(aSize.z);
if (numBlocks >= std::numeric_limits<UInt32>::max())
{
// We use 32-bit indices in some functions (for ARM speed), so we need the entire area to fit into UInt32
throw std::runtime_error("Size is too large");
}
res.mSize = aSize;
res.mBlocks.resize(static_cast<size_t>(numBlocks));
res.fill(aBlockTypeName, aBlockState);
return res;
}
cCuboid PalettedBlockArea::whole() const
{
return cCuboid(Vector3i(), mSize);
}
void PalettedBlockArea::setBlock(Vector3i aPos, const AString & aBlockTypeName, const BlockState & aBlockState)
{
setBlock(aPos, paletteIndex(aBlockTypeName, aBlockState));
}
void PalettedBlockArea::setBlock(Vector3i aPos, UInt32 aPaletteIndex)
{
ASSERT(isPositionValid(aPos));
ASSERT(aPaletteIndex < mPalette.count());
auto idx = positionToIndex(aPos);
mBlocks[idx] = aPaletteIndex;
}
UInt32 PalettedBlockArea::paletteIndex(const AString & aBlockTypeName, const BlockState & aBlockState)
{
return mPalette.index(aBlockTypeName, aBlockState);
}
std::pair<UInt32, bool> PalettedBlockArea::maybePaletteIndex(
const AString & aBlockTypeName,
const BlockState & aBlockState
) const
{
return mPalette.maybeIndex(aBlockTypeName, aBlockState);
}
UInt32 PalettedBlockArea::blockPaletteIndex(Vector3i aPos) const
{
auto idx = positionToIndex(aPos);
return mBlocks[idx];
}
const std::pair<AString, BlockState> & PalettedBlockArea::block(Vector3i aPos) const
{
return paletteEntry(blockPaletteIndex(aPos));
}
const std::pair<AString, BlockState> & PalettedBlockArea::paletteEntry(UInt32 aPaletteIndex) const
{
return mPalette.entry(aPaletteIndex);
}
bool PalettedBlockArea::isPositionValid(Vector3i aPos) const
{
return (
(aPos.x >= 0) && (aPos.y >= 0) && (aPos.z >= 0) && // Non-negative coords
(aPos.x < mSize.x) && (aPos.y < mSize.y) && (aPos.z < mSize.z) // Fit into size
);
}
void PalettedBlockArea::fill(const AString & aBlockTypeName, const BlockState & aBlockState)
{
BlockTypePalette btp;
auto idx = btp.index(aBlockTypeName, aBlockState);
std::swap(mPalette, btp);
std::fill(mBlocks.begin(), mBlocks.end(), idx);
}
void PalettedBlockArea::paste(const PalettedBlockArea & aSrc, const cCuboid & aSrcCuboid, Vector3i aDstOrigin)
{
// Clamp the src cuboid, first by src itself, then by this PBA's coord range:
cCuboid srcCuboid(aSrcCuboid);
srcCuboid.Sort();
srcCuboid.Clamp(aSrc.whole());
Vector3i maxSize = mSize - aDstOrigin;
srcCuboid.ClampSize(maxSize);
Vector3i dstOrigin(aDstOrigin);
// If any aDstOrigin coord is lower than 0, adjust the coord and src cuboid size:
if (dstOrigin.x < 0)
{
srcCuboid.p1.x -= dstOrigin.x;
if (srcCuboid.p1.x >= srcCuboid.p2.x)
{
return;
}
dstOrigin.x = 0;
}
if (dstOrigin.y < 0)
{
srcCuboid.p1.y -= dstOrigin.y;
if (srcCuboid.p1.y >= srcCuboid.p2.y)
{
return;
}
dstOrigin.y = 0;
}
if (dstOrigin.z < 0)
{
srcCuboid.p1.z -= dstOrigin.z;
if (srcCuboid.p1.z >= srcCuboid.p2.z)
{
return;
}
dstOrigin.z = 0;
}
// Create a transform map from aSrc's palette to our palette:
auto paletteTransform = mPalette.createTransformMapAddMissing(aSrc.mPalette);
// Copy the data:
UInt32 srcStrideY = static_cast<UInt32>(aSrc.size().x * aSrc.size().z);
UInt32 srcStrideZ = static_cast<UInt32>(aSrc.size().x);
UInt32 dstStrideY = static_cast<UInt32>(mSize.x * mSize.z);
UInt32 dstStrideZ = static_cast<UInt32>(mSize.x);
UInt32 minX = static_cast<UInt32>(srcCuboid.p1.x);
UInt32 maxX = static_cast<UInt32>(srcCuboid.p2.x);
UInt32 minY = static_cast<UInt32>(srcCuboid.p1.y);
UInt32 maxY = static_cast<UInt32>(srcCuboid.p2.y);
UInt32 minZ = static_cast<UInt32>(srcCuboid.p1.z);
UInt32 maxZ = static_cast<UInt32>(srcCuboid.p2.z);
UInt32 dstX = static_cast<UInt32>(dstOrigin.x);
UInt32 dstY = static_cast<UInt32>(dstOrigin.y);
UInt32 dstZ = static_cast<UInt32>(dstOrigin.z);
for (UInt32 y = minY; y < maxY; ++y)
{
UInt32 srcOfsY = y * srcStrideY;
UInt32 dstOfsY = (y - minY + dstY) * dstStrideY;
for (UInt32 z = minZ; z < maxZ; ++z)
{
UInt32 srcOfs = srcOfsY + z * srcStrideZ + minX;
UInt32 dstOfs = dstOfsY + (z - minZ + dstZ) * dstStrideZ + dstX;
for (UInt32 x = minX; x < maxX; ++x)
{
mBlocks[dstOfs] = paletteTransform[aSrc.mBlocks[srcOfs]];
srcOfs += 1;
dstOfs += 1;
}
}
}
}
void PalettedBlockArea::crop(const cCuboid & aArea)
{
cCuboid area(aArea);
area.Clamp(whole());
// Copy the data:
UInt32 srcStrideY = static_cast<UInt32>(size().x * size().z);
UInt32 srcStrideZ = static_cast<UInt32>(size().x);
UInt32 dstStrideY = static_cast<UInt32>(area.DifX() * area.DifZ());
UInt32 dstStrideZ = static_cast<UInt32>(area.DifZ());
UInt32 minX = static_cast<UInt32>(area.p1.x);
UInt32 maxX = static_cast<UInt32>(area.p2.x);
UInt32 minY = static_cast<UInt32>(area.p1.y);
UInt32 maxY = static_cast<UInt32>(area.p2.y);
UInt32 minZ = static_cast<UInt32>(area.p1.z);
UInt32 maxZ = static_cast<UInt32>(area.p2.z);
for (UInt32 y = minY; y < maxY; ++y)
{
UInt32 srcOfsY = (y - minY) * srcStrideY;
UInt32 dstOfsY = y * dstStrideY;
for (UInt32 z = minZ; z < maxZ; ++z)
{
UInt32 srcOfs = srcOfsY + (z - minZ) * srcStrideZ + minX;
UInt32 dstOfs = dstOfsY + z * dstStrideZ;
for (UInt32 x = minX; x < maxX; ++x)
{
mBlocks[dstOfs] = mBlocks[srcOfs];
srcOfs += 1;
dstOfs += 1;
}
}
}
}
UInt32 PalettedBlockArea::positionToIndex(Vector3i aPos) const
{
ASSERT(isPositionValid(aPos));
return static_cast<UInt32>(aPos.x + aPos.z * mSize.x + aPos.y * mSize.x * mSize.z);
}
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