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path: root/src/lib/evas/canvas/evas_canvas3d_eet.c
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#include "evas_common_private.h"
#include "evas_private.h"

static Eet_Data_Descriptor *_vec2_descriptor = NULL;
static Eet_Data_Descriptor *_vec3_descriptor = NULL;
static Eet_Data_Descriptor *_vertex_descriptor = NULL;
static Eet_Data_Descriptor *_geometry_descriptor = NULL;
static Eet_Data_Descriptor *_color_descriptor = NULL;
static Eet_Data_Descriptor *_material_descriptor = NULL;
static Eet_Data_Descriptor *_frame_descriptor = NULL;
static Eet_Data_Descriptor *_mesh_descriptor = NULL;
static Eet_Data_Descriptor *_header_descriptor = NULL;
static Eet_Data_Descriptor *_file_descriptor = NULL;

Evas_Canvas3D_File_Eet *
_evas_canvas3d_eet_file_new(void)
{
   Evas_Canvas3D_File_Eet *creating_file = calloc(1, sizeof(Evas_Canvas3D_File_Eet));

   if (!creating_file)
     {
        ERR("Could not calloc Evas_Canvas3D_File_Eet");
        return NULL;
     }

   return creating_file;
}

Eet_Data_Descriptor*
_evas_canvas3d_eet_file_get()
{
   if(_file_descriptor == NULL)
     _evas_canvas3d_eet_file_init();

   return _file_descriptor;
}
void
_evas_canvas3d_eet_file_init()
{
   eina_init();
   eet_init();

/* initialization of bonding between structure units in eet file */
   Eet_Data_Descriptor_Class eddc;
   EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Evas_Canvas3D_Vec2_Eet);
   _vec2_descriptor = eet_data_descriptor_file_new(&eddc);
   EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Evas_Canvas3D_Vec3_Eet);
   _vec3_descriptor = eet_data_descriptor_file_new(&eddc);
   EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Evas_Canvas3D_Vertex_Eet);
   _vertex_descriptor = eet_data_descriptor_file_new(&eddc);
   EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Evas_Canvas3D_Geometry_Eet);
   _geometry_descriptor = eet_data_descriptor_file_new(&eddc);
   EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Evas_Canvas3D_Color_Eet);
   _color_descriptor = eet_data_descriptor_file_new(&eddc);
   EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Evas_Canvas3D_Frame_Eet);
   _frame_descriptor = eet_data_descriptor_file_new(&eddc);
   EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Evas_Canvas3D_Material_Eet);
   _material_descriptor = eet_data_descriptor_file_new(&eddc);
   EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Evas_Canvas3D_Mesh_Eet);
   _mesh_descriptor = eet_data_descriptor_file_new(&eddc);
   EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Evas_Canvas3D_Header_Eet);
   _header_descriptor = eet_data_descriptor_file_new(&eddc);
   EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Evas_Canvas3D_File_Eet);
   _file_descriptor = eet_data_descriptor_file_new(&eddc);

/* Vec_2 */
#define ADD_BASIC(member, eet_type) EET_DATA_DESCRIPTOR_ADD_BASIC \
   (_vec2_descriptor, Evas_Canvas3D_Vec3_Eet, # member, member, eet_type);
   ADD_BASIC(x, EET_T_FLOAT);
   ADD_BASIC(y, EET_T_FLOAT);
#undef ADD_BASIC

/* Vec_3 */
#define ADD_BASIC(member, eet_type) EET_DATA_DESCRIPTOR_ADD_BASIC \
   (_vec3_descriptor, Evas_Canvas3D_Vec3_Eet, # member, member, eet_type);
   ADD_BASIC(x, EET_T_FLOAT);
   ADD_BASIC(y, EET_T_FLOAT);
   ADD_BASIC(z, EET_T_FLOAT);
#undef ADD_BASIC

/* Vertex */
   EET_DATA_DESCRIPTOR_ADD_SUB_NESTED(_vertex_descriptor, Evas_Canvas3D_Vertex_Eet,
                                      "position", position, _vec3_descriptor);
   EET_DATA_DESCRIPTOR_ADD_SUB_NESTED(_vertex_descriptor, Evas_Canvas3D_Vertex_Eet,
                                      "normal", normal, _vec3_descriptor);
   EET_DATA_DESCRIPTOR_ADD_SUB_NESTED(_vertex_descriptor, Evas_Canvas3D_Vertex_Eet,
                                      "texcoord", texcoord, _vec2_descriptor);

/* Geometry */
   EET_DATA_DESCRIPTOR_ADD_VAR_ARRAY(_geometry_descriptor, Evas_Canvas3D_Geometry_Eet,
                                     "vertices", vertices, _vertex_descriptor);
#define ADD_BASIC(member, eet_type) \
   EET_DATA_DESCRIPTOR_ADD_BASIC \
   (_geometry_descriptor, Evas_Canvas3D_Geometry_Eet, # member, member, eet_type);
   ADD_BASIC(vertices_count, EET_T_UINT);
   ADD_BASIC(id, EET_T_UINT);
#undef ADD_BASIC

/* Color */
#define ADD_BASIC(member, eet_type) EET_DATA_DESCRIPTOR_ADD_BASIC \
   (_color_descriptor, Evas_Canvas3D_Color_Eet, # member, member, eet_type);
   ADD_BASIC(r, EET_T_FLOAT);
   ADD_BASIC(g, EET_T_FLOAT);
   ADD_BASIC(b, EET_T_FLOAT);
   ADD_BASIC(a, EET_T_FLOAT);
#undef ADD_BASIC

/* Material */
   EET_DATA_DESCRIPTOR_ADD_VAR_ARRAY(_material_descriptor, Evas_Canvas3D_Material_Eet,
                                     "colors", colors, _color_descriptor);
#define ADD_BASIC(member, eet_type) \
   EET_DATA_DESCRIPTOR_ADD_BASIC \
   (_material_descriptor, Evas_Canvas3D_Material_Eet, # member, member, eet_type);
   ADD_BASIC(id, EET_T_UINT);
   ADD_BASIC(colors_count, EET_T_UINT);
   ADD_BASIC(shininess, EET_T_FLOAT);
#undef ADD_BASIC

/* Frame */
#define ADD_BASIC(member, eet_type) EET_DATA_DESCRIPTOR_ADD_BASIC \
   (_frame_descriptor, Evas_Canvas3D_Frame_Eet, # member, member, eet_type);
   ADD_BASIC(id, EET_T_UINT);
   ADD_BASIC(geometry_id, EET_T_UINT);
   ADD_BASIC(material_id, EET_T_UINT);
#undef ADD_BASIC

/* Mesh */
   EET_DATA_DESCRIPTOR_ADD_VAR_ARRAY(_mesh_descriptor, Evas_Canvas3D_Mesh_Eet,
                                     "frames", frames, _frame_descriptor);
   EET_DATA_DESCRIPTOR_ADD_VAR_ARRAY(_mesh_descriptor, Evas_Canvas3D_Mesh_Eet,
                                     "geometries", geometries, _geometry_descriptor);
   EET_DATA_DESCRIPTOR_ADD_VAR_ARRAY(_mesh_descriptor, Evas_Canvas3D_Mesh_Eet,
                                     "materials", materials, _material_descriptor);
#define ADD_BASIC(member, eet_type) \
   EET_DATA_DESCRIPTOR_ADD_BASIC \
   (_mesh_descriptor, Evas_Canvas3D_Mesh_Eet, # member, member, eet_type);
   ADD_BASIC(materials_count, EET_T_UINT);
   ADD_BASIC(frames_count, EET_T_UINT);
   ADD_BASIC(geometries_count, EET_T_UINT);
#undef ADD_BASIC

/* Header */
   EET_DATA_DESCRIPTOR_ADD_BASIC_VAR_ARRAY(_header_descriptor, Evas_Canvas3D_Header_Eet,
                                           "materials", materials, EET_T_UINT);
   EET_DATA_DESCRIPTOR_ADD_BASIC_VAR_ARRAY(_header_descriptor, Evas_Canvas3D_Header_Eet,
                                           "geometries", geometries, EET_T_UINT);
#define ADD_BASIC(member, eet_type) \
   EET_DATA_DESCRIPTOR_ADD_BASIC \
   (_header_descriptor, Evas_Canvas3D_Header_Eet, # member, member, eet_type);
   ADD_BASIC(version, EET_T_UINT);
   ADD_BASIC(materials_count, EET_T_UINT);
   ADD_BASIC(frames, EET_T_UINT);
   ADD_BASIC(geometries_count, EET_T_UINT);
#undef ADD_BASIC

/* File */
   EET_DATA_DESCRIPTOR_ADD_SUB(_file_descriptor, Evas_Canvas3D_File_Eet,
                               "mesh", mesh, _mesh_descriptor);
   EET_DATA_DESCRIPTOR_ADD_SUB(_file_descriptor, Evas_Canvas3D_File_Eet,
                               "header", header, _header_descriptor);
}

void
_evas_canvas3d_eet_descriptor_shutdown()
{
   eet_data_descriptor_free(_geometry_descriptor);
   _geometry_descriptor = NULL;
   eet_data_descriptor_free(_vertex_descriptor);
   _vertex_descriptor = NULL;
   eet_data_descriptor_free(_vec2_descriptor);
   _vec2_descriptor = NULL;
   eet_data_descriptor_free(_vec3_descriptor);
   _vec3_descriptor = NULL;
   eet_data_descriptor_free(_color_descriptor);
   _color_descriptor = NULL;
   eet_data_descriptor_free(_material_descriptor);
   _material_descriptor = NULL;
   eet_data_descriptor_free(_frame_descriptor);
   _frame_descriptor = NULL;
   eet_data_descriptor_free(_mesh_descriptor);
   _mesh_descriptor = NULL;
   eet_data_descriptor_free(_header_descriptor);
   _header_descriptor = NULL;
   eet_data_descriptor_free(_file_descriptor);
   _file_descriptor = NULL;
}

void
_evas_canvas3d_eet_file_free(Evas_Canvas3D_File_Eet* eet_file)
{
   if (eet_file)
     {
        if (eet_file->mesh)
          {
             free(eet_file->mesh->geometries[0].vertices);
             free(eet_file->mesh->geometries);
             free(eet_file->mesh->frames);
             free(eet_file->mesh->materials[0].colors);
             free(eet_file->mesh->materials);
             free(eet_file->mesh);
          }

        if (eet_file->header)
          {
             free(eet_file->header->materials);
             free(eet_file->header->geometries);
             free(eet_file->header);
          }

        free(eet_file);
     }

   _evas_canvas3d_eet_descriptor_shutdown();
   eet_shutdown();
   eina_shutdown();
}