125 lines
2.5 KiB
C
125 lines
2.5 KiB
C
|
/*
|
||
|
|
Minetest-c55
|
||
|
|
Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
|
||
|
|
|
||
|
|
This program is free software; you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU General Public License as published by
|
||
|
|
the Free Software Foundation; either version 2 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
This program is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License along
|
||
|
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
||
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef TEXTURE_HEADER
|
||
|
|
#define TEXTURE_HEADER
|
||
|
|
|
||
|
|
#include "common_irrlicht.h"
|
||
|
|
//#include "utility.h"
|
||
|
|
#include "debug.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
All textures are given a "texture id".
|
||
|
|
0 = nothing (a NULL pointer texture)
|
||
|
|
*/
|
||
|
|
typedef u16 textureid_t;
|
||
|
|
|
||
|
|
/*
|
||
|
|
Every texture in the game can be specified by this.
|
||
|
|
|
||
|
|
It exists instead of specification strings because arbitary
|
||
|
|
texture combinations for map nodes are handled using this,
|
||
|
|
and strings are too slow for that purpose.
|
||
|
|
|
||
|
|
Plain texture pointers are not used because they don't contain
|
||
|
|
content information by themselves. A texture can be completely
|
||
|
|
reconstructed by just looking at this, while this also is a
|
||
|
|
fast unique key to containers.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define TEXTURE_SPEC_TEXTURE_COUNT 4
|
||
|
|
|
||
|
|
struct TextureSpec
|
||
|
|
{
|
||
|
|
TextureSpec()
|
||
|
|
{
|
||
|
|
clear();
|
||
|
|
}
|
||
|
|
|
||
|
|
TextureSpec(textureid_t id0)
|
||
|
|
{
|
||
|
|
clear();
|
||
|
|
tids[0] = id0;
|
||
|
|
}
|
||
|
|
|
||
|
|
TextureSpec(textureid_t id0, textureid_t id1)
|
||
|
|
{
|
||
|
|
clear();
|
||
|
|
tids[0] = id0;
|
||
|
|
tids[1] = id1;
|
||
|
|
}
|
||
|
|
|
||
|
|
void clear()
|
||
|
|
{
|
||
|
|
for(u32 i=0; i<TEXTURE_SPEC_TEXTURE_COUNT; i++)
|
||
|
|
{
|
||
|
|
tids[i] = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
bool empty() const
|
||
|
|
{
|
||
|
|
for(u32 i=0; i<TEXTURE_SPEC_TEXTURE_COUNT; i++)
|
||
|
|
{
|
||
|
|
if(tids[i] != 0)
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void addTid(textureid_t tid)
|
||
|
|
{
|
||
|
|
for(u32 i=0; i<TEXTURE_SPEC_TEXTURE_COUNT; i++)
|
||
|
|
{
|
||
|
|
if(tids[i] == 0)
|
||
|
|
{
|
||
|
|
tids[i] = tid;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Too many textures
|
||
|
|
assert(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool operator==(const TextureSpec &other) const
|
||
|
|
{
|
||
|
|
for(u32 i=0; i<TEXTURE_SPEC_TEXTURE_COUNT; i++)
|
||
|
|
{
|
||
|
|
if(tids[i] != other.tids[i])
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool operator<(const TextureSpec &other) const
|
||
|
|
{
|
||
|
|
for(u32 i=0; i<TEXTURE_SPEC_TEXTURE_COUNT; i++)
|
||
|
|
{
|
||
|
|
if(tids[i] >= other.tids[i])
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Ids of textures. They are blit on each other.
|
||
|
|
textureid_t tids[TEXTURE_SPEC_TEXTURE_COUNT];
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|