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#include "stdafx.h"
#include "net.minecraft.world.level.biome.h"
#include "net.minecraft.world.level.newbiome.layer.h"
#include "net.minecraft.world.level.h"
#include "BiomeOverrideLayer.h"
BiomeOverrideLayer::BiomeOverrideLayer(int seedMixup) : Layer(seedMixup)
{
m_biomeOverride = byteArray( width * height );
#ifdef _UNICODE
wstring path = L"GAME:\\GameRules\\biomemap.bin";
HANDLE file = CreateFile(path.c_str(), GENERIC_READ, 0, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
#else
#ifdef _WINDOWS64
string path = "GameRules\\biomemap.bin";
#else
string path = "GAME:\\GameRules\\biomemap.bin";
#endif
HANDLE file = CreateFile(path.c_str(), GENERIC_READ, 0, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
#endif
if( file == INVALID_HANDLE_VALUE )
{
DWORD error = GetLastError();
//assert(false);
app.DebugPrintf("Biome override not found, using plains as default\n");
memset(m_biomeOverride.data,Biome::plains->id,m_biomeOverride.length);
}
else
{
#ifdef _DURANGO
__debugbreak(); // TODO
DWORD bytesRead,dwFileSize = 0;
#else
DWORD bytesRead,dwFileSize = GetFileSize(file,nullptr);
#endif
if(dwFileSize > m_biomeOverride.length)
{
app.DebugPrintf("Biomemap binary is too large!!\n");
__debugbreak();
}
BOOL bSuccess = ReadFile(file,m_biomeOverride.data,dwFileSize,&bytesRead,nullptr);
if(bSuccess==FALSE)
{
app.FatalLoadError();
}
CloseHandle(file);
}
}
intArray BiomeOverrideLayer::getArea(int xo, int yo, int w, int h)
{
intArray result = IntCache::allocate(w * h);
int xOrigin = xo + width/2;
int yOrigin = yo + height/2;
if(xOrigin < 0 ) xOrigin = 0;
if(xOrigin >= width) xOrigin = width - 1;
if(yOrigin < 0 ) yOrigin = 0;
if(yOrigin >= height) yOrigin = height - 1;
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
int curX = xOrigin + x;
int curY = yOrigin + y;
if(curX >= width) curX = width - 1;
if(curY >= height) curY = height - 1;
int index = curX + curY * width;
unsigned char headerValue = m_biomeOverride[index];
result[x + y * w] = headerValue;
}
}
return result;
}
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