mirror of https://github.com/minetest/minetest.git
94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
/*
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Minetest-c55
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Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef TILE_HEADER
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#define TILE_HEADER
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#include "common_irrlicht.h"
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//#include "utility.h"
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#include "texture.h"
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#include <string>
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enum MaterialType{
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MATERIAL_ALPHA_NONE,
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MATERIAL_ALPHA_VERTEX,
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MATERIAL_ALPHA_SIMPLE, // >127 = opaque
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MATERIAL_ALPHA_BLEND,
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};
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// Material flags
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#define MATERIAL_FLAG_BACKFACE_CULLING 0x01
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/*
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This fully defines the looks of a tile.
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The SMaterial of a tile is constructed according to this.
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*/
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struct TileSpec
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{
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TileSpec():
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alpha(255),
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material_type(MATERIAL_ALPHA_NONE),
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material_flags(
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MATERIAL_FLAG_BACKFACE_CULLING
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)
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{
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}
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bool operator==(TileSpec &other)
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{
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return (
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spec == other.spec &&
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alpha == other.alpha &&
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material_type == other.material_type &&
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material_flags == other.material_flags
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);
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}
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// Sets everything else except the texture in the material
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void applyMaterialOptions(video::SMaterial &material)
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{
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if(alpha != 255 && material_type != MATERIAL_ALPHA_VERTEX)
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dstream<<"WARNING: TileSpec: alpha != 255 "
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"but not MATERIAL_ALPHA_VERTEX"
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<<std::endl;
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if(material_type == MATERIAL_ALPHA_NONE)
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material.MaterialType = video::EMT_SOLID;
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else if(material_type == MATERIAL_ALPHA_VERTEX)
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material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
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else if(material_type == MATERIAL_ALPHA_SIMPLE)
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material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
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else if(material_type == MATERIAL_ALPHA_BLEND)
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material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
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material.BackfaceCulling = (material_flags & MATERIAL_FLAG_BACKFACE_CULLING) ? true : false;
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}
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// Specification of texture
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TextureSpec spec;
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// Vertex alpha
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u8 alpha;
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// Material type
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u8 material_type;
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// Material flags
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u8 material_flags;
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};
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#endif
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