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224 lines
7.3 KiB
C++
224 lines
7.3 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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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 Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_U_INSTANCE_MATERIAL_H
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#define NL_U_INSTANCE_MATERIAL_H
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#include "nel/misc/types_nl.h"
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#include "nel/misc/rgba.h"
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#include "nel/misc/matrix.h"
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#include "nel/misc/bitmap.h"
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namespace NL3D
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{
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using NLMISC::CRGBA;
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// ***************************************************************************
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/**
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* Base interface for manipulating Material retrieved from UInstance.
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* \author Lionel Berenguier
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* \author Nevrax France
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* \date 2001
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*/
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class UInstanceMaterial
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{
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public:
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enum ZFunc { always=0,never,equal,notequal,less,lessequal,greater,greaterequal, zfuncCount };
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enum TBlend { one=0, zero, srcalpha, invsrcalpha, srccolor, invsrccolor, blendCount };
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// This enums MUST be the same than in ITexture!!
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enum TWrapMode
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{
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Repeat= 0,
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Clamp,
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WrapModeCount
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};
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public:
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/// \name Modes.
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// @{
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bool isLighted() const;
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void setLighting(bool active,
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CRGBA emissive=CRGBA(0,0,0),
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CRGBA ambient=CRGBA(0,0,0),
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CRGBA diffuse=CRGBA(0,0,0),
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CRGBA specular=CRGBA(0,0,0),
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float shininess= 10);
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bool isUserColor() const;
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// @}
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/// \name Blending.
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// @{
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void setBlend(bool active);
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void setBlendFunc(TBlend src, TBlend dst);
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void setSrcBlend(TBlend val);
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void setDstBlend(TBlend val);
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void setAlphaTestThreshold(float at);
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void setZWrite(bool active);
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void setZFunc(ZFunc val);
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float getAlphaTestThreshold() const;
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void setAlphaTest(bool active);
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bool getBlend() const;
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TBlend getSrcBlend(void) const;
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TBlend getDstBlend(void) const;
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// @}
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/// \name Lighted material mgt. Has effect only if isLighted().
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// @{
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/// Set the emissive part ot material. Useful only if isLighted()
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void setEmissive( CRGBA emissive=CRGBA(0,0,0) );
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/// Set the Ambient part ot material. Useful only if isLighted()
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void setAmbient( CRGBA ambient=CRGBA(0,0,0) );
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/// Set the Diffuse part ot material. Useful only if isLighted()
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void setDiffuse( CRGBA diffuse=CRGBA(0,0,0) );
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/// Set the Opacity part ot material. Useful only if isLighted()
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void setOpacity( uint8 opa );
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/// Set the specular part ot material. Useful only if isLighted()
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void setSpecular( CRGBA specular=CRGBA(0,0,0) );
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/// Set the shininess part ot material. Useful only if isLighted()
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void setShininess( float shininess );
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CRGBA getEmissive() const;
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CRGBA getAmbient() const;
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/// return diffuse part. NB: A==opacity.
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CRGBA getDiffuse() const;
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uint8 getOpacity() const;
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CRGBA getSpecular() const;
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float getShininess() const;
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// @}
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/// \name UnLighted material mgt. Has effect only if !isLighted().
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// @{
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void setColor(CRGBA rgba);
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CRGBA getColor(void) const;
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// @}
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/// \name Per stage constant color
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// @{
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void setConstantColor(uint stage, NLMISC::CRGBA color);
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NLMISC::CRGBA getConstantColor(uint stage) const;
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// @}
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/// \name Texture UserColor. No effect if !isUserColor(). (getUserColor() return CRGBA(0,0,0,0))
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// @{
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void setUserColor(CRGBA userColor);
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CRGBA getUserColor() const;
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// @}
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/// \name Texture files specific
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// @{
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/// Get the last stage that got a texture. -1 means there is no textures.
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sint getLastTextureStage() const;
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/// Check whether the texture of the n-th stage is a texture file
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bool isTextureFile(uint stage) const;
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/// Get the fileName used by the n-th texture file. (must be a texture file or an assertion is raised)
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std::string getTextureFileName(uint stage) const;
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// Empty the texture at the given stage
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void emptyTexture(uint stage = 0);
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/** Set the fileName used by the n-th texture file. (must be a texture file or an assertion is raised)
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* NB: if success and if instanceOwner->getAsyncTextureMode()==true, then instanceOwner->setAsyncTextureDirty(true)
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* is called
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*/
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void setTextureFileName(const std::string &fileName, uint stage = 0);
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/** Set the texture datas to be read from memory rather than from a file. This erases any previous texture at that slot.
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* The provided block can be a memory image of a file, however
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* \param stage The stage at which texture must be set
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* \param data Pointer of the file, or of the pixels datas
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* \param length length, in bytes, of the datas.
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* \param isFile is true if the data must be interpreted as a texture file. Otherwise, it is interpreted
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* as the raw datas of the texture, so the format and size of the texture must also have been set to match
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* the raw datas
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* \param _delete Is true if the texture has ownership on the texture datas
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* \param texType relevant only when isFile is set to false. Gives the format to expand the texture to when it is generated.
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*/
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void setTextureMem(uint stage, uint8 *data, uint32 length, bool _delete, bool isFile = true, uint width = 0, uint height = 0, NLMISC::CBitmap::TType texType = NLMISC::CBitmap::RGBA);
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// Set wrapping mode for a texture
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void setWrapS(uint stage, TWrapMode mode);
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void setWrapT(uint stage, TWrapMode mode);
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TWrapMode getWrapS(uint stage) const;
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TWrapMode getWrapT(uint stage) const;
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// set
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/// \name Texture matrix
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// @{
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// Enable a user texture matrix for the n-th stage. The initial matrix is set to identity.
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void enableUserTexMat(uint stage, bool enabled = true);
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// Test whether a user texture is enabled for the n-th stage
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bool isUserTexMatEnabled(uint stage) const;
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/// Set a new texture matrix for the given stage.
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void setUserTexMat(uint stage, const NLMISC::CMatrix &m);
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/** Get a const ref. on the texture matrix of the n-th stage.
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*/
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const NLMISC::CMatrix &getUserTexMat(uint stage) const;
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// @}
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/// Proxy interface
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/// Constructors
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UInstanceMaterial()
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{
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_Object = NULL;
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}
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UInstanceMaterial(class CMeshBaseInstance *mbi, class CMaterial *object, class CAsyncTextureBlock *asyncTextureBlock)
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{
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_MBI = mbi;
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_Object = object;
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_AsyncTextureBlock = asyncTextureBlock;
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};
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/// Attach an object to this proxy
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void attach(class CMeshBaseInstance *mbi, class CMaterial *object, class CAsyncTextureBlock *asyncTextureBlock)
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{
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_MBI = mbi;
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_Object = object;
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_AsyncTextureBlock = asyncTextureBlock;
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}
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/// Detach the object
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void detach()
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{
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_MBI = NULL;
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_Object = NULL;
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_AsyncTextureBlock = NULL;
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}
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/// Return true if the proxy is empty() (not attached)
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bool empty() const {return _Object==NULL;}
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/// For advanced usage, get the internal object ptr
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class CMaterial *getObjectPtr() const {return (CMaterial*)_Object;}
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private:
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CMeshBaseInstance *_MBI;
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CMaterial *_Object;
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CAsyncTextureBlock *_AsyncTextureBlock;
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};
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} // NL3D
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#endif // NL_U_INSTANCE_MATERIAL_H
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/* End of u_instance_material.h */
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