mcserver/source/WGFlat.cpp

102 lines
2.4 KiB
C++

// WGFlat.cpp
// Implements the cWGFlat class representing the flat world generator
#include "Globals.h"
#include "WGFlat.h"
#include "../iniFile/iniFile.h"
#include "cWorld.h"
cWGFlat::cWGFlat(cWorld * a_World) :
super(a_World)
{
// Load the settings from the INI file:
cIniFile INI(a_World->GetIniFileName());
INI.ReadFile();
m_Height = INI.GetValueI("flat", "height", 5);
if (m_Height < 1)
{
m_Height = 1;
}
if (m_Height > 250)
{
m_Height = 250;
}
}
void cWGFlat::GenerateChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, BLOCKTYPE * a_BlockData, cEntityList & a_Entities, cBlockEntityList & a_BlockEntities)
{
int SliceSize = cChunkDef::Width * cChunkDef::Width;
memset(a_BlockData, E_BLOCK_BEDROCK, SliceSize);
switch (m_Height)
{
case 1:
{
// Just the bedrock layer
break;
}
case 2:
{
// Bedrock + 1 dirt layer:
memset(a_BlockData + SliceSize, E_BLOCK_GRASS, SliceSize);
break;
}
case 3:
{
// Bedrock + 2 dirt layers:
memset(a_BlockData + SliceSize, E_BLOCK_DIRT, SliceSize);
memset(a_BlockData + 2 * SliceSize, E_BLOCK_GRASS, SliceSize);
break;
}
case 4:
{
// Bedrock + 3 dirt layers:
memset(a_BlockData + SliceSize, E_BLOCK_DIRT, 2 * SliceSize);
memset(a_BlockData + 3 * SliceSize, E_BLOCK_GRASS, SliceSize);
break;
}
default:
{
// Bedrock + stone layers + 3 dirt layers:
memset(a_BlockData + SliceSize, E_BLOCK_STONE, SliceSize * (m_Height - 4));
memset(a_BlockData + SliceSize * (m_Height - 3), E_BLOCK_DIRT, SliceSize * 2);
memset(a_BlockData + SliceSize * (m_Height - 1), E_BLOCK_GRASS, SliceSize);
break;
}
}
memset(a_BlockData + SliceSize * m_Height, E_BLOCK_AIR, cChunkDef::NumBlocks - SliceSize * m_Height);
SliceSize /= 2; // Nibbles from now on
BLOCKTYPE * Meta = a_BlockData + cChunkDef::NumBlocks;
memset(Meta, 0, cChunkDef::NumBlocks / 2);
BLOCKTYPE * SkyLight = Meta + cChunkDef::NumBlocks / 2;
memset(SkyLight, 0, m_Height * SliceSize);
memset(SkyLight + m_Height * SliceSize, 0xff, cChunkDef::NumBlocks / 2 - m_Height * SliceSize);
BLOCKTYPE * BlockLight = SkyLight + cChunkDef::NumBlocks / 2;
memset(BlockLight, 0, cChunkDef::NumBlocks / 2);
}
void cWGFlat::PostGenerateChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
{
// Nothing needed yet, just don't call the parent
}