/*
====================
UpdateForCenter
Center is in the 0.0 to 1.0 range
====================
*/
void idTextureLevel::UpdateForCenter( float center[2] ) {
int globalTileCorner[2];
int localTileOffset[2];
if( tilesWide <= TILE_PER_LEVEL && tilesHigh <= TILE_PER_LEVEL ) {
globalTileCorner[0] = 0;
globalTileCorner[1] = 0;
localTileOffset[0] = 0;
localTileOffset[1] = 0;
// orient the mask so that it doesn't mask anything at all
parms[0] = 0.25;
parms[1] = 0.25;
parms[3] = 0.25;
} else {
for( int i = 0 ; i < 2 ; i++ ) {
float global[2];
// this value will be outside the 0.0 to 1.0 range unless
// we are in the corner of the megaTexture
global[i] = ( center[i] * parms[3] - 0.5 ) * TILE_PER_LEVEL;
globalTileCorner[i] = ( int )( global[i] + 0.5 );
localTileOffset[i] = globalTileCorner[i] & ( TILE_PER_LEVEL - 1 );
// scaling for the mask texture to only allow the proper window
// of tiles to show through
parms[i] = -globalTileCorner[i] / ( float )TILE_PER_LEVEL;
}
}
image->Bind();
for( int x = 0 ; x < TILE_PER_LEVEL ; x++ ) {
for( int y = 0 ; y < TILE_PER_LEVEL ; y++ ) {
int globalTile[2];
globalTile[0] = globalTileCorner[0] + ( ( x - localTileOffset[0] ) & ( TILE_PER_LEVEL - 1 ) );
globalTile[1] = globalTileCorner[1] + ( ( y - localTileOffset[1] ) & ( TILE_PER_LEVEL - 1 ) );
UpdateTile( x, y, globalTile[0], globalTile[1] );
}
}
}
//-----------------------------------------------------------------------
// Update our lodStep and lodMask for the current tile, given the page
// local coordinates of a vertex.
void UpdateWithLocalPage( int localPageX, int localPageZ )
{
int tileX = PageToTile( localPageX, invTileSize_, maxNumTiles_ );
int tileZ = PageToTile( localPageZ, invTileSize_, maxNumTiles_ );
UpdateTile( tileX, tileZ );
}
//***************************************************************************************************
// Update
//***************************************************************************************************
void eCTerrainTileList::Update( GEUInt a_iViewWorldPosX, GEUInt a_iViewWorldPosY )
{
unsigned int iVisibleTileIndex = 0;
GEMemSet(m_arrTileTypeCount, 0, sizeof(m_arrTileTypeCount));
while ((iVisibleTileIndex < m_iListCount) && ((m_iListCount + 4) < m_iListCapacity))
{
PrefetchArray(iVisibleTileIndex + 16);
PrefetchValue(iVisibleTileIndex + 2);
GE_ASSERT(!IsSlotFree(iVisibleTileIndex));
UpdateTile(iVisibleTileIndex, a_iViewWorldPosX, a_iViewWorldPosY);
iVisibleTileIndex++;
}
CompactAndSortList();
}
BOOL TilePropWindow::DlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch ( msg )
{
case WM_ACTIVATE:
if ( LOWORD(wParam) != WA_INACTIVE )
chkd.SetCurrDialog(hWnd);
break;
case WM_INITDIALOG:
{
HWND hEdit = GetDlgItem(hWnd, IDC_EDIT_TILEVALUE);
SendMessage(hEdit, EM_SETLIMITTEXT, 10, 0);
UpdateTile();
PostMessage(hWnd, WM_NEXTDLGCTL, (WPARAM)hEdit, true);
return true;
}
break;
case WM_PAINT:
{
RECT rect;
GetClientRect(hWnd, &rect);
int width = 32,
height = 32;
PAINTSTRUCT ps;
HDC hDC = BeginPaint(hWnd, &ps),
MemhDC = CreateCompatibleDC(hDC);
HBITMAP Membitmap = CreateCompatibleBitmap(hDC, width, height);
SelectObject(MemhDC, Membitmap);
TCHAR lpszTile[11];
int TextLength = WORD(SendDlgItemMessage(hWnd, IDC_EDIT_TILEVALUE, EM_LINELENGTH, 0, 0));
*((LPWORD)lpszTile) = TextLength;
SendDlgItemMessage(hWnd, IDC_EDIT_TILEVALUE, EM_GETLINE, 0, (LPARAM)lpszTile);
lpszTile[TextLength] = '\0';
u16 tile = atoi(lpszTile), tileset = CM->getTileset();
TileSet* tiles = &chkd.scData.tilesets.set[tileset];
HBRUSH brush = CreateSolidBrush(RGB(166, 156, 132));
FillRect(MemhDC, &rect, brush);
DeleteObject(brush);
BITMAPINFO bmi = GetBMI(32, 32);
DrawTile(MemhDC, tiles, 0, 0, tile, bmi, 0, 0, 0);
BitBlt(hDC, 55, 50, width, height, MemhDC, 0, 0, SRCCOPY);
BITMAPINFO bmiMini = GetBMI(8, 8);
for ( int yMiniTile=0; yMiniTile<4; yMiniTile++ )
{
for ( int xMiniTile=0; xMiniTile<4; xMiniTile++ )
DrawMiniTileElevation(hDC, tiles, 350+xMiniTile*9, 50+yMiniTile*9, tile, xMiniTile, yMiniTile, bmiMini);
}
DeleteObject(Membitmap);
DeleteDC (MemhDC);
DeleteDC (hDC);
}
break;
case WM_DESTROY:
EndDialog(hWnd, IDCANCEL);
break;
default:
return false;
break;
}
return 0;
}
