2007-06-29 23:12:22 +00:00

140 lines
3.4 KiB
C++

#include "common.h"
#include "log.h"
#include "MapTile.h"
#include "MapMgr.h"
MapMgr::MapMgr()
{
_tiles = new MapTileStorage();
_gridx = _gridy = _mapid = (-1);
}
MapMgr::~MapMgr()
{
Flush();
delete _tiles;
}
void MapMgr::Update(float x, float y, uint32 m)
{
if(m != _mapid)
{
Flush(); // we teleported to a new map, drop all loaded maps
WDTFile *wdt = new WDTFile();
char buf[100];
sprintf(buf,"data/maps/%u.wdt",m);
if(!wdt->Load(buf))
{
logerror("MAPMGR: Could not load WDT file '%s'",buf);
}
_tiles->ImportTileMap(wdt);
delete wdt;
_mapid = m;
_gridx = _gridy = (-1); // must load tiles now
}
uint32 xg,yg; // MapTile IDs. Range 0..64
xg = (uint32)( (ZEROPOINT - x) / TILESIZE);
yg = (uint32)( (ZEROPOINT - y) / TILESIZE);
if(xg != _gridx || yg != _gridy)
{
_LoadNearTiles(xg,yg,m);
_gridx = xg;
_gridy = yg;
_UnloadOldTiles();
}
_mapid = m;
}
void MapMgr::Flush(void)
{
for(uint32 i = 0; i < 4096; i++)
_tiles->UnloadMapTile(i);
logdebug("MAPMGR: Flushed all maps");
}
void MapMgr::_LoadNearTiles(uint32 gx, uint32 gy, uint32 m)
{
logdebug("MAPMGR: Loading near tiles for (%u, %u) map %u",gx,gy,m);
for(uint32 v = gy-1; v <= gy+1; v++)
{
for(uint32 h = gx-1; h <= gx+1; h++)
{
_LoadTile(h,v,m);
}
}
}
void MapMgr::_LoadTile(uint32 gx, uint32 gy, uint32 m)
{
if(!_tiles->TileExists(gx,gy))
{
logerror("MAPMGR: Not loading MapTile (%u, %u) map %u, no entry in WDT tile map",gx,gy,m);
return;
}
if( !_tiles->GetTile(gx,gy) )
{
ADTFile *adt = new ADTFile();
char buf[300];
sprintf(buf,"data/maps/%u_%u_%u.adt",m,gx,gy);
if(adt->Load(buf))
{
logdebug("MAPMGR: Loaded ADT '%s'",buf);
MapTile *tile = new MapTile();
tile->ImportFromADT(adt);
_tiles->SetTile(tile,gx,gy);
logdebug("MAPMGR: Imported MapTile (%u, %u) for map %u",gx,gy,m);
}
else
{
logerror("MAPMGR: Loading ADT '%s' failed!",buf);
}
delete adt;
}
else
{
logdebug("MAPMGR: No need to load MapTile (%u, %u) map %u",gx,gy,m);
}
}
void MapMgr::_UnloadOldTiles(void)
{
for(uint32 gx=0; gx<64; gx++)
{
for(uint32 gy=0; gy<64; gy++)
{
if( (_gridx < gx-1 || _gridx > gx+1) && (_gridy < gy-1 || _gridy > gy+1) )
{
if(_tiles->GetTile(gx,gy))
{
logdebug("MAPMGR: Unloading old MapTile (%u, %u) map %u",gx,gy,_mapid);
_tiles->UnloadMapTile(gx,gy);
}
}
}
}
}
float MapMgr::GetZ(float x, float y)
{
uint32 xg,yg; // MapTile IDs. Range 0..64
xg = (uint32)( (ZEROPOINT - x) / TILESIZE);
yg = (uint32)( (ZEROPOINT - y) / TILESIZE);
MapTile *tile = _tiles->GetTile(xg,yg);
if(tile)
{
#ifdef _DEBUG
tile->DebugDumpToFile();
logdebug("DEBUG: tile dumped");
#endif
return tile->GetZ(x,y);
}
logerror("MapMgr::GetZ() called for not loaded MapTile (%u, %u) for (%f, %f)",xg,yg,x,y);
return 0;
}