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/*
* Copyright (c) 2008-2017, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA CORPORATION is strictly prohibited.
*/
#ifndef MATERIAL_LIBRARY_H
#define MATERIAL_LIBRARY_H
#include "ApexUsingNamespace.h"
#include "PxVec3.h"
/**
Texture map types. Currently the MaterialLibrary interface only supports one map of each type.
*/
enum TextureMapType
{
DIFFUSE_MAP = 0,
BUMP_MAP,
NORMAL_MAP,
TEXTURE_MAP_TYPE_COUNT
};
/**
Texture pixel format types, a supported by the Destruction tool's bmp, dds, and tga texture loaders.
*/
enum PixelFormat
{
PIXEL_FORMAT_UNKNOWN,
PIXEL_FORMAT_RGB,
PIXEL_FORMAT_BGR_EXT,
PIXEL_FORMAT_BGRA_EXT,
PIXEL_FORMAT_COMPRESSED_RGBA_S3TC_DXT1_EXT,
PIXEL_FORMAT_COMPRESSED_RGBA_S3TC_DXT3_EXT,
PIXEL_FORMAT_COMPRESSED_RGBA_S3TC_DXT5_EXT,
};
/**
Basic interface to query generic texture map data.
*/
class TextureMap
{
public:
/** The texture pixel format, supported by the Destruction tool's texture loaders. */
virtual PixelFormat getPixelFormat() const = 0;
/** The horizontal texture map size, in pixels. */
virtual uint32_t getWidth() const = 0;
/** The vertical texture map size, in pixels. */
virtual uint32_t getHeight() const = 0;
/** The number of color/alpha/etc. channels. */
virtual uint32_t getComponentCount() const = 0;
/** The size, in bytes, of the pixel buffer. */
virtual uint32_t getPixelBufferSize() const = 0;
/** The beginning address of the pixel buffer. */
virtual uint8_t* getPixels() const = 0;
};
/**
Basic interface to query generic render material data.
*/
class Material
{
public:
/** The material's name, used by the named resource provider. */
virtual const char* getName() const = 0;
/** Access to the material's texture maps, indexed by TextureMapType. */
virtual TextureMap* getTextureMap(TextureMapType type) const = 0;
/** The ambient lighting color of the material. */
virtual const physx::PxVec3& getAmbient() const = 0;
/** The diffuse lighting color of the material. */
virtual const physx::PxVec3& getDiffuse() const = 0;
/** The specular lighting color of the material. */
virtual const physx::PxVec3& getSpecular() const = 0;
/** The opacity of the material. */
virtual float getAlpha() const = 0;
/** The shininess (specular power) of the material. */
virtual float getShininess() const = 0;
};
/**
Material library skeleton interface.
*/
class MaterialLibrary
{
public:
/** Saves the material to an physx::PxFileBuf. */
virtual void serialize(physx::PxFileBuf& stream) const = 0;
/** Loads material from an physx::PxFileBuf. */
virtual void deserialize(physx::PxFileBuf& stream) = 0;
/**
Query a material by name.
If the material already exists, it is returned and 'created' is set to false.
If the material did not exist before, it is created, returned, and 'created' is set to true.
*/
virtual Material* getMaterial(const char* materialName, bool& created) = 0;
/**
Remove and delete named material.
Returns true if the material was found, false if it was not.
*/
virtual bool deleteMaterial(const char* materialName) = 0;
};
#endif // #ifndef MATERIAL_LIBRARY_H
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