server/contrib/extractor/loadlib/adt.cpp
Salja f4be15a7af Some missing from merge.
Signed-off-by: Salja <salja2012@hotmail.de>
2020-02-16 02:50:23 +00:00

152 lines
No EOL
3 KiB
C++

#define _CRT_SECURE_NO_DEPRECATE
#include "adt.h"
// Helper
int holetab_h[4] = {0x1111, 0x2222, 0x4444, 0x8888};
int holetab_v[4] = {0x000F, 0x00F0, 0x0F00, 0xF000};
bool isHole(int holes, int i, int j)
{
int testi = i / 2;
int testj = j / 4;
if(testi > 3) testi = 3;
if(testj > 3) testj = 3;
return (holes & holetab_h[testi] & holetab_v[testj]) != 0;
}
//
// Adt file loader class
//
ADT_file::ADT_file()
{
a_grid = 0;
}
ADT_file::~ADT_file()
{
free();
}
void ADT_file::free()
{
a_grid = 0;
FileLoader::free();
}
//
// Adt file check function
//
bool ADT_file::prepareLoadedData()
{
// Check parent
if (!FileLoader::prepareLoadedData())
return false;
// Check and prepare MHDR
a_grid = (adt_MHDR *)(GetData()+8+version->size);
if (!a_grid->prepareLoadedData())
return false;
// funny offsets calculations because there is no mapping for them and they have variable lengths
uint8* ptr = (uint8*)a_grid + a_grid->size + 8;
uint32 mcnk_count = 0;
memset(cells, 0, ADT_CELLS_PER_GRID * ADT_CELLS_PER_GRID * sizeof(adt_MCNK*));
while (ptr < GetData() + GetDataSize())
{
uint32 header = *(uint32*)ptr;
uint32 size = *(uint32*)(ptr + 4);
if (header == 'MCNK')
{
cells[mcnk_count / ADT_CELLS_PER_GRID][mcnk_count % ADT_CELLS_PER_GRID] = (adt_MCNK*)ptr;
++mcnk_count;
}
// move to next chunk
ptr += size + 8;
}
if (mcnk_count != ADT_CELLS_PER_GRID * ADT_CELLS_PER_GRID)
return false;
return true;
}
bool adt_MHDR::prepareLoadedData()
{
if (fcc != 'MHDR')
return false;
if (size!=sizeof(adt_MHDR)-8)
return false;
// Check and prepare MCIN
if (offsMCIN && !getMCIN()->prepareLoadedData())
return false;
// Check and prepare MH2O
if (offsMH2O && !getMH2O()->prepareLoadedData())
return false;
return true;
}
bool adt_MCIN::prepareLoadedData()
{
if (fcc != 'MCIN')
return false;
// Check cells data
for (int i=0; i<ADT_CELLS_PER_GRID;i++)
for (int j=0; j<ADT_CELLS_PER_GRID;j++)
if (cells[i][j].offsMCNK && !getMCNK(i,j)->prepareLoadedData())
return false;
return true;
}
bool adt_MH2O::prepareLoadedData()
{
if (fcc != 'MH2O')
return false;
// Check liquid data
// for (int i=0; i<ADT_CELLS_PER_GRID;i++)
// for (int j=0; j<ADT_CELLS_PER_GRID;j++)
return true;
}
bool adt_MCNK::prepareLoadedData()
{
if (fcc != 'MCNK')
return false;
// Check height map
if (offsMCVT && !getMCVT()->prepareLoadedData())
return false;
// Check liquid data
if (offsMCLQ && !getMCLQ()->prepareLoadedData())
return false;
return true;
}
bool adt_MCVT::prepareLoadedData()
{
if (fcc != 'MCVT')
return false;
if (size != sizeof(adt_MCVT)-8)
return false;
return true;
}
bool adt_MCLQ::prepareLoadedData()
{
if (fcc != 'MCLQ')
return false;
return true;
}