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Added area flooring. 

Fixes #743.
This commit is contained in:
madmaxoft 2014-04-17 22:03:13 +02:00
parent bdea8706d8
commit 6779010242
1 changed files with 42 additions and 1 deletions
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43
src/Generating/Prefab.cpp
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@ -158,12 +158,53 @@ cPrefab::cPrefab(const cPrefab::sDef & a_Def) :
void cPrefab::Draw(cChunkDesc & a_Dest, const cPlacedPiece * a_Placement) const
{
// Draw the basic image:
Vector3i Placement = a_Placement->GetCoords();
int ChunkStartX = a_Dest.GetChunkX() * cChunkDef::Width;
int ChunkStartZ = a_Dest.GetChunkZ() * cChunkDef::Width;
Placement.Move(-ChunkStartX, 0, -ChunkStartZ);
a_Dest.WriteBlockArea(m_BlockArea[a_Placement->GetNumCCWRotations()], Placement.x, Placement.y, Placement.z, m_MergeStrategy);
const cBlockArea & Image = m_BlockArea[a_Placement->GetNumCCWRotations()];
a_Dest.WriteBlockArea(Image, Placement.x, Placement.y, Placement.z, m_MergeStrategy);
// If requested, draw the floor (from the bottom of the prefab down to the nearest non-air)
int MaxX = Image.GetSizeX();
int MaxZ = Image.GetSizeZ();
for (int z = 0; z < MaxZ; z++)
{
int RelZ = Placement.z + z;
if ((RelZ < 0) || (RelZ >= cChunkDef::Width))
{
// Z coord outside the chunk
continue;
}
for (int x = 0; x < MaxX; x++)
{
int RelX = Placement.x + x;
if ((RelX < 0) || (RelX >= cChunkDef::Width))
{
// X coord outside the chunk
continue;
}
BLOCKTYPE BlockType;
NIBBLETYPE BlockMeta;
Image.GetRelBlockTypeMeta(x, 0, z, BlockType, BlockMeta);
if ((BlockType == E_BLOCK_AIR) || (BlockType == E_BLOCK_SPONGE))
{
// Do not expand air nor sponge blocks
continue;
}
for (int y = Placement.y - 1; y >= 0; y--)
{
BLOCKTYPE ExistingBlock = a_Dest.GetBlockType(RelX, y, RelZ);
if (ExistingBlock != E_BLOCK_AIR)
{
// End the expansion for this column, reached the end
break;
}
a_Dest.SetBlockTypeMeta(RelX, y, RelZ, BlockType, BlockMeta);
} // for y
} // for x
} // for z
}