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/*
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 TILE_HEADER
#define TILE_HEADER
#include "common_irrlicht.h"
//#include "utility.h"
#include "texture.h"
#include <string>
enum MaterialType{
MATERIAL_ALPHA_NONE,
MATERIAL_ALPHA_VERTEX,
MATERIAL_ALPHA_SIMPLE, // >127 = opaque
MATERIAL_ALPHA_BLEND,
};
// Material flags
#define MATERIAL_FLAG_BACKFACE_CULLING 0x01
/*
This fully defines the looks of a tile.
The SMaterial of a tile is constructed according to this.
*/
struct TileSpec
{
TileSpec():
alpha(255),
material_type(MATERIAL_ALPHA_NONE),
material_flags(
MATERIAL_FLAG_BACKFACE_CULLING
)
{
}
bool operator==(TileSpec &other)
{
return (
spec == other.spec &&
alpha == other.alpha &&
material_type == other.material_type &&
material_flags == other.material_flags
);
}
// Sets everything else except the texture in the material
void applyMaterialOptions(video::SMaterial &material)
{
if(alpha != 255 && material_type != MATERIAL_ALPHA_VERTEX)
dstream<<"WARNING: TileSpec: alpha != 255 "
"but not MATERIAL_ALPHA_VERTEX"
<<std::endl;
if(material_type == MATERIAL_ALPHA_NONE)
material.MaterialType = video::EMT_SOLID;
else if(material_type == MATERIAL_ALPHA_VERTEX)
material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
else if(material_type == MATERIAL_ALPHA_SIMPLE)
material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
else if(material_type == MATERIAL_ALPHA_BLEND)
material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
material.BackfaceCulling = (material_flags & MATERIAL_FLAG_BACKFACE_CULLING) ? true : false;
}
// Specification of texture
TextureSpec spec;
// Vertex alpha
u8 alpha;
// Material type
u8 material_type;
// Material flags
u8 material_flags;
};
#endif
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