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76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __E_MATERIAL_TYPES_H_INCLUDED__
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#define __E_MATERIAL_TYPES_H_INCLUDED__
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namespace irr
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{
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namespace video
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{
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//! Abstracted and easy to use fixed function/programmable pipeline material modes.
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enum E_MATERIAL_TYPE
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{
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//! Standard solid material.
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/** Only first texture is used, which is supposed to be the
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diffuse material. */
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EMT_SOLID = 0,
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//! Makes the material transparent based on the texture alpha channel.
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/** The final color is blended together from the destination
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color and the texture color, using the alpha channel value as
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blend factor. Only first texture is used. If you are using
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this material with small textures, it is a good idea to load
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the texture in 32 bit mode
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(video::IVideoDriver::setTextureCreationFlag()). Also, an alpha
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ref is used, which can be manipulated using
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SMaterial::MaterialTypeParam. This value controls how sharp the
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edges become when going from a transparent to a solid spot on
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the texture. */
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EMT_TRANSPARENT_ALPHA_CHANNEL,
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//! Makes the material transparent based on the texture alpha channel.
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/** If the alpha channel value is greater than 127, a
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pixel is written to the target, otherwise not. This
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material does not use alpha blending and is a lot faster
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than EMT_TRANSPARENT_ALPHA_CHANNEL. It is ideal for drawing
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stuff like leaves of plants, because the borders are not
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blurry but sharp. Only first texture is used. If you are
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using this material with small textures and 3d object, it
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is a good idea to load the texture in 32 bit mode
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(video::IVideoDriver::setTextureCreationFlag()). */
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EMT_TRANSPARENT_ALPHA_CHANNEL_REF,
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//! Makes the material transparent based on the vertex alpha value.
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EMT_TRANSPARENT_VERTEX_ALPHA,
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//! BlendFunc = source * sourceFactor + dest * destFactor ( E_BLEND_FUNC )
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/** Using only first texture. Generic blending method.
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The blend function is set to SMaterial::MaterialTypeParam with
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pack_textureBlendFunc (for 2D) or pack_textureBlendFuncSeparate (for 3D). */
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EMT_ONETEXTURE_BLEND,
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//! This value is not used. It only forces this enumeration to compile to 32 bit.
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EMT_FORCE_32BIT = 0x7fffffff
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};
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//! Array holding the built in material type names
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const char* const sBuiltInMaterialTypeNames[] =
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{
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"solid",
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"trans_alphach",
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"trans_alphach_ref",
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"trans_vertex_alpha",
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"onetexture_blend",
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0
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};
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} // end namespace video
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} // end namespace irr
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#endif // __E_MATERIAL_TYPES_H_INCLUDED__
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