mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-11-19 10:51:26 +00:00
b37d0ba2ea
texture manager. They now get assigned a new FEmptyTexture object that is just a 1x1 pixel transparent texture. - Fixed: Multiple namespace markers of the same type were no longer detected. - Fixed sprite renaming. SVN r1566 (trunk)
125 lines
3.9 KiB
C++
125 lines
3.9 KiB
C++
/*
|
|
** flattexture.cpp
|
|
** Texture class for empty placeholder textures
|
|
** (essentially patches with dimensions and offsets of (0,0) )
|
|
**
|
|
**---------------------------------------------------------------------------
|
|
** Copyright 2009 Christoph Oelckers
|
|
** All rights reserved.
|
|
**
|
|
** Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions
|
|
** are met:
|
|
**
|
|
** 1. Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** 2. Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in the
|
|
** documentation and/or other materials provided with the distribution.
|
|
** 3. The name of the author may not be used to endorse or promote products
|
|
** derived from this software without specific prior written permission.
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
**---------------------------------------------------------------------------
|
|
**
|
|
**
|
|
*/
|
|
|
|
#include "doomtype.h"
|
|
#include "files.h"
|
|
#include "r_data.h"
|
|
#include "w_wad.h"
|
|
|
|
//==========================================================================
|
|
//
|
|
// A texture defined between F_START and F_END markers
|
|
//
|
|
//==========================================================================
|
|
|
|
class FEmptyTexture : public FTexture
|
|
{
|
|
public:
|
|
FEmptyTexture (int lumpnum);
|
|
|
|
const BYTE *GetColumn (unsigned int column, const Span **spans_out);
|
|
const BYTE *GetPixels ();
|
|
void Unload() {}
|
|
|
|
protected:
|
|
BYTE Pixels[1];
|
|
Span DummySpans[1];
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// Since there is no way to detect the validity of a flat
|
|
// they can't be used anywhere else but between F_START and F_END
|
|
//
|
|
//==========================================================================
|
|
|
|
FTexture *EmptyTexture_TryCreate(FileReader & file, int lumpnum)
|
|
{
|
|
char check[8];
|
|
if (file.GetLength() != 8) return false;
|
|
file.Seek(0, SEEK_SET);
|
|
if (file.Read(check, 8) != 8) return false;
|
|
if (memcmp(check, "\0\0\0\0\0\0\0\0", 8)) return false;
|
|
|
|
return new FEmptyTexture(lumpnum);
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
FEmptyTexture::FEmptyTexture (int lumpnum)
|
|
: FTexture(NULL, lumpnum)
|
|
{
|
|
bMasked = true;
|
|
WidthBits = HeightBits = 1;
|
|
Width = Height = 1;
|
|
WidthMask = 0;
|
|
DummySpans[0].TopOffset = 0;
|
|
DummySpans[0].Length = 0;
|
|
Pixels[0] = 0;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
const BYTE *FEmptyTexture::GetColumn (unsigned int column, const Span **spans_out)
|
|
{
|
|
if (spans_out != NULL)
|
|
{
|
|
*spans_out = DummySpans;
|
|
}
|
|
return Pixels;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
const BYTE *FEmptyTexture::GetPixels ()
|
|
{
|
|
return Pixels;
|
|
}
|
|
|