void Sky::init(MPQFile &f)
{
int addr = (int)f.getPos();
int ll[18];
int buf[64];
for (int k=0; k<4; k++) {
if (k==0 || k==2) {
f.seek(addr + k * 0x15f0);
f.read(ll, 18*4);
for (int i=0; i<18; i++) {
f.read(buf,64*4);
int *p=buf;
int idx = (k/2)*18 + i;
if (ll[i]==0) mmin[idx] = -1;
else {
mmin[idx] = *p;
for (int l=0; l<ll[i]; l++) {
SkyColor sc;
sc.init(p[0],p[1]);
p+=2;
colorRows[idx].push_back(sc);
}
}
}
}
}
f.seek(addr + 4 * 0x15f0);
}
inline
void LoadMapChunk(MPQFile & mf, chunk*_chunk)
{
float h;
uint32 fourcc;
uint32 size;
MapChunkHeader header;
mf.seekRelative(4);
mf.read(&size, 4);
size_t lastpos = mf.getPos() + size;
mf.read(&header, 0x80);
_chunk->area_id =header.areaid ;
_chunk->flag =0;
float xbase = header.xpos;
float ybase = header.ypos;
float zbase = header.zpos;
zbase = TILESIZE*32-zbase;
xbase = TILESIZE*32-xbase;
if(wmoc.x >xbase)wmoc.x =xbase;
if(wmoc.z >zbase)wmoc.z =zbase;
int chunkflags = header.flags;
float zmin=999999999.0f;
float zmax=-999999999.0f;
//must be there, bl!zz uses some crazy format
int nTextures;
while (mf.getPos() < lastpos)
{
mf.read(&fourcc,4);
mf.read(&size, 4);
//if(size!=580)
// printf("\n sz=%d",size);
size_t nextpos = mf.getPos() + size;
if(fourcc==0x4d435654) // MCVT
{
for (int j=0; j<17; j++)
for (int i=0; i<((j%2)?8:9); i++)
{
mf.read(&h,4);
float z=h+ybase;
if (j%2)
{
if(isHole(header.holes,i,j))
_chunk->v8[i][j/2] = -1000;
else
_chunk->v8[i][j/2] = z;
}
else
{
if(isHole(header.holes,i,j))
_chunk->v9[i][j/2] = -1000;
else
_chunk->v9[i][j/2] = z;
}
if(z>zmax)zmax=z;
//if(z<zmin)zmin=z;
}
}
else if(fourcc==0x4d434e52) // MCNR
{
nextpos = mf.getPos() + 0x1C0; // size fix
}
else if(fourcc==0x4d434c51) // MCLQ
{
// liquid / water level
//bool haswater;
char fcc1[5];
mf.read(fcc1,4);
flipcc(fcc1);
fcc1[4]=0;
if (!strcmp(fcc1,"MCSE"))
{
for(int i=0;i<9;i++)
for(int j=0;j<9;j++)
_chunk->waterlevel[i][j]=-999999; // no liquid/water
}
else
{
float maxheight;
mf.read(&maxheight, 4);
for(int j=0;j<9;j++)
for(int i=0;i<9;i++)
{
mf.read(&h, 4);
mf.read(&h, 4);
if(h > maxheight)
_chunk->waterlevel[i][j]=-999999;
else
_chunk->waterlevel[i][j]=h;
}
if(chunkflags & 4 || chunkflags & 8)
_chunk->flag |=1;
if(chunkflags & 16)
_chunk->flag |=2;
}
break;
}
else if (fourcc==0x4d434c59) // MCLY
{
// texture info
nTextures = (int)size;
}
else if (fourcc==0x4d43414c) // MCAL
{
if (nTextures<=0)
continue;
}
mf.seek(nextpos);
}
}
inline void LoadMapChunk(MPQFile &mf, chunk *_chunk)
{
float h;
uint32 fourcc;
uint32 size;
MapChunkHeader header;
mf.seekRelative(4);
mf.read(&size, 4);
size_t lastpos = mf.getPos() + size;
mf.read(&header, 0x80); // what if header size got changed?
_chunk->area_id = header.areaid;
float xbase = header.xpos;
float ybase = header.ypos;
float zbase = header.zpos;
zbase = TILESIZE * 32 - zbase;
xbase = TILESIZE * 32 - xbase;
if(wmoc.x > xbase) wmoc.x = xbase;
if(wmoc.z > zbase) wmoc.z = zbase;
int chunkflags = header.flags;
//printf("LMC: flags %X\n", chunkflags);
float zmin = 999999999.0f;
float zmax = -999999999.0f;
// must be there, bl!zz uses some crazy format
while (mf.getPos() < lastpos)
{
mf.read(&fourcc, 4);
mf.read(&size, 4);
size_t nextpos = mf.getPos() + size;
if(fourcc == 0x4d435654) // MCVT
{
for (int j = 0; j < 17; ++j)
{
for (int i = 0; i < ((j % 2) ? 8 : 9); ++i)
{
mf.read(&h, 4);
float z = h + ybase;
if (j % 2)
{
if(isHole(header.holes, i, j))
_chunk->v8[i][j / 2] = -1000;
else
_chunk->v8[i][j / 2] = z;
}
else
{
if(isHole(header.holes, i, j))
_chunk->v9[i][j / 2] = -1000;
else
_chunk->v9[i][j / 2] = z;
}
if(z > zmax) zmax = z;
//if(z < zmin) zmin = z;
}
}
}
else if(fourcc == 0x4d434e52) // MCNR
{
nextpos = mf.getPos() + 0x1C0; // size fix
}
else if(fourcc == 0x4d434c51) // MCLQ
{
// liquid / water level
char fcc1[5];
mf.read(fcc1, 4);
flipcc(fcc1);
fcc1[4] = 0;
float *ChunkLiqHeight = new float[81];
if (!strcmp(fcc1, "MCSE"))
{
for(int j = 0; j < 81; ++j)
{
ChunkLiqHeight[j] = -999999; // no liquid/water
}
}
else
{
float maxheight;
mf.read(&maxheight, 4);
for(int j = 0; j < 81; ++j)
{
LiqData liq;
mf.read(&liq, 8);
if(liq.height > maxheight)
ChunkLiqHeight[j] = -999999;
else
ChunkLiqHeight[j] = h;
}
if(chunkflags & 4 || chunkflags & 8)
MapLiqFlag[chunk_num] |= 1; // water
if(chunkflags & 16)
MapLiqFlag[chunk_num] |= 2; // magma/slime
}
if(!(chunk_num % 16))
m = 1024 * (chunk_num / 16);
k = m + (chunk_num % 16) * 8;
for(int p = 0; p < 72; p += 9)
{
for(int s = 0; s < 8; ++s)
{
MapLiqHeight[k] = ChunkLiqHeight[p + s];
++k;
}
k = k + 120;
}
delete []ChunkLiqHeight;
break;
}
mf.seek(nextpos);
}
}
