assimp/include/aiTypes.h

/*
---------------------------------------------------------------------------
Open Asset Import Library (ASSIMP)
---------------------------------------------------------------------------

Copyright (c) 2006-2008, ASSIMP Development Team

All rights reserved.

Redistribution and use of this software in source and binary forms, 
with or without modification, are permitted provided that the following 
conditions are met:

* Redistributions of source code must retain the above
  copyright notice, this list of conditions and the
  following disclaimer.

* Redistributions in binary form must reproduce the above
  copyright notice, this list of conditions and the
  following disclaimer in the documentation and/or other
  materials provided with the distribution.

* Neither the name of the ASSIMP team, nor the names of its
  contributors may be used to endorse or promote products
  derived from this software without specific prior
  written permission of the ASSIMP Development Team.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/

#ifndef AI_TYPES_H_INC
#define AI_TYPES_H_INC

#include <sys/types.h>
#include <memory.h>

#include "aiDefines.h"

// include math helper classes 
#include "aiVector3D.h"
#include "aiVector2D.h"
#include "aiMatrix3x3.h"
#include "aiMatrix4x4.h"

#ifdef __cplusplus
#	include <string>
extern "C" {
#endif

/** Maximum dimension for strings, ASSIMP strings are zero terminated */
#ifdef __cplusplus
const size_t MAXLEN = 1024;
#else
#	define MAXLEN 1024
#endif

#include "./Compiler/pushpack1.h"


// ---------------------------------------------------------------------------
/** Represents a plane in a three-dimensional, euclidean space
*/
struct aiPlane
{
#ifdef __cplusplus
	aiPlane () : a(0.f), b(0.f), c(0.f), d(0.f) {}
	aiPlane (float _a, float _b, float _c, float _d) 
		: a(_a), b(_b), c(_c), d(_d) {}

	aiPlane (const aiPlane& o) : a(o.a), b(o.b), c(o.c), d(o.d) {}

#endif // !__cplusplus

	//! Plane equation
	float a,b,c,d;
} PACK_STRUCT;


// ---------------------------------------------------------------------------
/** Represents a ray
*/
struct aiRay
{
#ifdef __cplusplus
	aiRay () {}
	aiRay (const aiVector3D& _pos, const aiVector3D& _dir)
		: pos(_pos), dir(_dir) {}

	aiRay (const aiRay& o) : pos (o.pos), dir (o.dir) {}

#endif // !__cplusplus

	//! Position and direction of the ray
	aiVector3D pos, dir;
} PACK_STRUCT;

// aiVector3D type moved to separate header due to size of operators
// aiQuaternion type moved to separate header due to size of operators
// aiMatrix4x4 type moved to separate header due to size of operators

// ---------------------------------------------------------------------------
/** Represents a color in Red-Green-Blue space. 
*/
struct aiColor3D
{
#ifdef __cplusplus
	aiColor3D () : r(0.0f), g(0.0f), b(0.0f) {}
	aiColor3D (float _r, float _g, float _b) : r(_r), g(_g), b(_b) {}
	aiColor3D (const aiColor3D& o) : r(o.r), g(o.g), b(o.b) {}
	
	bool operator == (const aiColor3D& other) const
		{return r == other.r && g == other.g && b == other.b;}

	bool operator != (const aiColor3D& other) const
		{return r != other.r || g != other.g || b != other.b;}

	aiColor3D operator+(const aiColor3D& c) const
		{return aiColor3D(r+c.r,g+c.g,b+c.b);}
	aiColor3D operator-(const aiColor3D& c) const
		{return aiColor3D(r+c.r,g+c.g,b+c.b);}
	aiColor3D operator*(const aiColor3D& c) const
		{return aiColor3D(r*c.r,g*c.g,b*c.b);}
	
	aiColor3D operator*(float f) const
		{return aiColor3D(r*f,g*f,b*f);}

	inline float operator[](unsigned int i) const {return *(&r + i);}
	inline float& operator[](unsigned int i) {return *(&r + i);}

	inline bool IsBlack() const
	{
		return !r && !g && !b;
	}

#endif // !__cplusplus

	//! Red, green and blue color values
	float r, g, b;
} PACK_STRUCT;


// ---------------------------------------------------------------------------
/** Represents a color in Red-Green-Blue space including an 
*   alpha component. 
*/
struct aiColor4D
{
#ifdef __cplusplus
	aiColor4D () : r(0.0f), g(0.0f), b(0.0f), a(0.0f) {}
	aiColor4D (float _r, float _g, float _b, float _a) 
		: r(_r), g(_g), b(_b), a(_a) {}
	aiColor4D (const aiColor4D& o) 
		: r(o.r), g(o.g), b(o.b), a(o.a) {}
	
	bool operator == (const aiColor4D& other) const
		{return r == other.r && g == other.g && b == other.b && a == other.a;}

	bool operator != (const aiColor4D& other) const
		{return r != other.r || g != other.g || b != other.b || a != other.a;}

	inline float operator[](unsigned int i) const {return *(&r + i);}
	inline float& operator[](unsigned int i) {return *(&r + i);}

	inline bool IsBlack() const
	{
		// The alpha component doesn't care here. black is black.
		return !r && !g && !b;
	}

#endif // !__cplusplus

	//! Red, green, blue and alpha color values
	float r, g, b, a;
} PACK_STRUCT;

#include "./Compiler/poppack1.h"


// ---------------------------------------------------------------------------
/** Represents a string, zero byte terminated 
*/
struct aiString
{
#ifdef __cplusplus
	inline aiString() :
		length(0) 
	{
		data[0] = '\0';
	}

	//! Copy constructor
	inline aiString(const aiString& rOther) : 
		length(rOther.length) 
	{
		::memcpy( data, rOther.data, rOther.length);
		data[length] = '\0';
	}

	//! Constructor from std::string
	inline aiString(const std::string& pString) : 
		length(pString.length()) 
	{
		memcpy( data, pString.c_str(), length);
		data[length] = '\0';
	}

	//! copy a std::string to the aiString
	void Set( const std::string& pString)
	{
		if( pString.length() > MAXLEN - 1)
			return;
		length = pString.length();
		::memcpy( data, pString.c_str(), length);
		data[length] = 0;
	}

	//! comparison operator
	bool operator==(const aiString& other) const
	{
		return  (length == other.length &&
				 0 == strcmp(this->data,other.data));
	}

	//! inverse comparison operator
	bool operator!=(const aiString& other) const
	{
		return  (length != other.length ||
				 0 != ::strcmp(this->data,other.data));
	}

	//! Append a string to the string
	inline void Append (const char* app)
	{
		const size_t len = ::strlen(app);
		if (!len)return;

		if (length + len >= MAXLEN)
			return;

		::memcpy(&data[length],app,len+1);
		length += len;
	}

	//! Clear the string
	inline void Clear ()
	{
		length  = 0;
		data[0] = '\0';
	}

#endif // !__cplusplus

	//! Length of the string excluding the terminal 0
	size_t length;

	//! String buffer. Size limit is MAXLEN
	char data[MAXLEN];
} ;


// ---------------------------------------------------------------------------
/**	Standard return type for all library functions.
*
* To check whether or not a function failed check against
* AI_SUCCESS. The error codes are mainly used by the C-API.
*/
enum aiReturn
{
	//! Indicates that a function was successful
	AI_SUCCESS = 0x0,

	//! Indicates that a function failed
	AI_FAILURE = -0x1,

	//! Indicates that a file was invalid
	AI_INVALIDFILE = -0x2,

	//! Indicates that not enough memory was available
	//! to perform the requested operation
	AI_OUTOFMEMORY = -0x3,

	//! Indicates that an illegal argument has been
	//! passed to a function. This is rarely used,
	//! most functions assert in this case.
	AI_INVALIDARG = -0x4
};


// ---------------------------------------------------------------------------
/** Stores the memory requirements for different parts (e.g. meshes, materials,
 *  animations) of an import.
 *  @see Importer::GetMemoryRequirements()
*/
struct aiMemoryInfo
{
#ifdef __cplusplus

	//! Default constructor
	inline aiMemoryInfo()
		: textures   (0)
		, materials  (0)
		, meshes     (0)
		, nodes      (0)
		, animations (0)
		, cameras	 (0)
		, lights	 (0)
		, total      (0)
	{}

#endif

	//! Storage allocated for texture data, in bytes
	unsigned int textures;

	//! Storage allocated for material data, in bytes
	unsigned int materials;

	//! Storage allocated for mesh data, in bytes
	unsigned int meshes;

	//! Storage allocated for node data, in bytes
	unsigned int nodes;

	//! Storage allocated for animation data, in bytes
	unsigned int animations;

	//! Storage allocated for camera data, in bytes
	unsigned int cameras;

	//! Storage allocated for light data, in bytes
	unsigned int lights;

	//! Storage allocated for the import, in bytes
	unsigned int total;
};


#ifdef __cplusplus
}
#endif //!  __cplusplus

// Include implementations
#include "aiVector3D.inl"
#include "aiMatrix3x3.inl"
#include "aiMatrix4x4.inl"


#endif //!! include guard