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/** @file IRRShared.h
* @brief Shared utilities for the IRR and IRRMESH loaders
*/
#ifndef INCLUDED_AI_IRRSHARED_H
#define INCLUDED_AI_IRRSHARED_H
#include "irrXMLWrapper.h"
#include "BaseImporter.h"
namespace Assimp {
/** @brief Matrix to convert from Assimp to IRR and backwards
*/
extern const aiMatrix4x4 AI_TO_IRR_MATRIX;
// Default: 0 = solid, one texture
#define AI_IRRMESH_MAT_solid_2layer 0x10000
// Transparency flags
#define AI_IRRMESH_MAT_trans_vertex_alpha 0x1
#define AI_IRRMESH_MAT_trans_add 0x2
// Lightmapping flags
#define AI_IRRMESH_MAT_lightmap 0x2
#define AI_IRRMESH_MAT_lightmap_m2 (AI_IRRMESH_MAT_lightmap|0x4)
#define AI_IRRMESH_MAT_lightmap_m4 (AI_IRRMESH_MAT_lightmap|0x8)
#define AI_IRRMESH_MAT_lightmap_light (AI_IRRMESH_MAT_lightmap|0x10)
#define AI_IRRMESH_MAT_lightmap_light_m2 (AI_IRRMESH_MAT_lightmap|0x20)
#define AI_IRRMESH_MAT_lightmap_light_m4 (AI_IRRMESH_MAT_lightmap|0x40)
#define AI_IRRMESH_MAT_lightmap_add (AI_IRRMESH_MAT_lightmap|0x80)
// Standard NormalMap (or Parallax map, they're treated equally)
#define AI_IRRMESH_MAT_normalmap_solid (0x100)
// Normal map combined with vertex alpha
#define AI_IRRMESH_MAT_normalmap_tva \
(AI_IRRMESH_MAT_normalmap_solid | AI_IRRMESH_MAT_trans_vertex_alpha)
// Normal map combined with additive transparency
#define AI_IRRMESH_MAT_normalmap_ta \
(AI_IRRMESH_MAT_normalmap_solid | AI_IRRMESH_MAT_trans_add)
// Special flag. It indicates a second texture has been found
// Its type depends ... either a normal textue or a normal map
#define AI_IRRMESH_EXTRA_2ND_TEXTURE 0x100000
// ---------------------------------------------------------------------------
/** Base class for the Irr and IrrMesh importers.
*
* Declares some irrlight-related xml parsing utilities and provides tools
* to load materials from IRR and IRRMESH files.
*/
class IrrlichtBase
{
protected:
/** @brief Data structure for a simple name-value property
*/
template <class T>
struct Property
{
std::string name;
T value;
};
typedef Property<uint32_t> HexProperty;
typedef Property<std::string> StringProperty;
typedef Property<bool> BoolProperty;
typedef Property<float> FloatProperty;
typedef Property<aiVector3D> VectorProperty;
typedef Property<int> IntProperty;
/** XML reader instance
*/
irr::io::IrrXMLReader* reader;
// -------------------------------------------------------------------
/** Parse a material description from the XML
* @return The created material
* @param matFlags Receives AI_IRRMESH_MAT_XX flags
*/
aiMaterial* ParseMaterial(unsigned int& matFlags);
// -------------------------------------------------------------------
/** Read a property of the specified type from the current XML element.
* @param out Recives output data
*/
void ReadHexProperty (HexProperty& out);
void ReadStringProperty (StringProperty& out);
void ReadBoolProperty (BoolProperty& out);
void ReadFloatProperty (FloatProperty& out);
void ReadVectorProperty (VectorProperty& out);
void ReadIntProperty (IntProperty& out);
};
// ------------------------------------------------------------------------------------------------
// Unpack a hex color, e.g. 0xdcdedfff
inline void ColorFromARGBPacked(uint32_t in, aiColor4D& clr)
{
clr.a = ((in >> 24) & 0xff) / 255.f;
clr.r = ((in >> 16) & 0xff) / 255.f;
clr.g = ((in >> 8) & 0xff) / 255.f;
clr.b = ((in ) & 0xff) / 255.f;
}
} // end namespace Assimp
#endif // !! INCLUDED_AI_IRRSHARED_H
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