efl/src/lib/evas/canvas/evas_3d_mesh_loader_eet.c

132 lines
5.2 KiB
C

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <Eo.h>
#include <stdio.h>
#include "evas_common_private.h"
#include "evas_private.h"
extern Evas_3D_File_Eet* eet_file;
extern const char EVAS_3D_FILE_CACHE_FILE_ENTRY[];
extern Eet_Data_Descriptor *_file_descriptor;
void
_set_geometry_to_mesh_from_eet_file(Evas_3D_Mesh *mesh,
Evas_3D_Mesh_Eet *eet_mesh)
{
float *pos, *nor, *tex;
int stride_pos, stride_nor, stride_tex, j;
eo_do(mesh,
evas_3d_mesh_vertex_count_set(eet_mesh->geometries->vertices_count),
evas_3d_mesh_vertex_assembly_set(EVAS_3D_VERTEX_ASSEMBLY_TRIANGLES),
evas_3d_mesh_frame_add(0),
evas_3d_mesh_frame_vertex_data_copy_set(0, EVAS_3D_VERTEX_POSITION, 0, NULL),
evas_3d_mesh_frame_vertex_data_copy_set(0, EVAS_3D_VERTEX_NORMAL, 0, NULL),
evas_3d_mesh_frame_vertex_data_copy_set(0, EVAS_3D_VERTEX_TEXCOORD, 0, NULL),
pos = (float *)evas_3d_mesh_frame_vertex_data_map(0, EVAS_3D_VERTEX_POSITION),
nor = (float *)evas_3d_mesh_frame_vertex_data_map(0, EVAS_3D_VERTEX_NORMAL),
tex = (float *)evas_3d_mesh_frame_vertex_data_map(0, EVAS_3D_VERTEX_TEXCOORD),
stride_pos = evas_3d_mesh_frame_vertex_stride_get(0, EVAS_3D_VERTEX_POSITION),
stride_nor = evas_3d_mesh_frame_vertex_stride_get(0, EVAS_3D_VERTEX_NORMAL),
stride_tex = evas_3d_mesh_frame_vertex_stride_get(0, EVAS_3D_VERTEX_TEXCOORD));
if (stride_pos == 0) stride_pos = sizeof(float) * 3;
if (stride_nor == 0) stride_nor = sizeof(float) * 3;
if (stride_tex == 0) stride_tex = sizeof(float) * 2;
/* set data to vertex buffer */
for (j = 0; j < eet_mesh->geometries->vertices_count; j++)
{
float *p, *n, *t;
p = (float *)((char *)pos + stride_pos * j);
n = (float *)((char *)nor + stride_nor * j);
t = (float *)((char *)tex + stride_tex * j);
p[0] = eet_mesh->geometries->vertices[j].position.x;
p[1] = eet_mesh->geometries->vertices[j].position.y;
p[2] = eet_mesh->geometries->vertices[j].position.z;
n[0] = eet_mesh->geometries->vertices[j].normal.x;
n[1] = eet_mesh->geometries->vertices[j].normal.y;
n[2] = eet_mesh->geometries->vertices[j].normal.z;
t[0] = eet_mesh->geometries->vertices[j].texcoord.x;
t[1] = eet_mesh->geometries->vertices[j].texcoord.y;
}
/* unmap vertex buffer */
eo_do(mesh,
evas_3d_mesh_frame_vertex_data_unmap(0, EVAS_3D_VERTEX_POSITION),
evas_3d_mesh_frame_vertex_data_unmap(0, EVAS_3D_VERTEX_NORMAL),
evas_3d_mesh_frame_vertex_data_unmap(0, EVAS_3D_VERTEX_TEXCOORD));
}
void
_set_material_to_mesh_from_eet_file(Evas_3D_Mesh *mesh,
Evas_3D_Mesh_Eet *eet_mesh)
{
Evas_3D_Object_Data *pd = eo_data_scope_get(mesh, EVAS_3D_OBJECT_CLASS);
Eo *material = NULL;
material = eo_add(EVAS_3D_MATERIAL_CLASS, pd->evas);
eo_do(material,
evas_3d_material_enable_set(EVAS_3D_MATERIAL_AMBIENT,
!!(eet_mesh->materials->colors[0].a > 0)),
evas_3d_material_enable_set(EVAS_3D_MATERIAL_DIFFUSE,
!!(eet_mesh->materials->colors[1].a > 0)),
evas_3d_material_enable_set(EVAS_3D_MATERIAL_SPECULAR,
!!(eet_mesh->materials->colors[2].a > 0)),
evas_3d_material_enable_set(EVAS_3D_MATERIAL_NORMAL, EINA_TRUE),
evas_3d_material_color_set(EVAS_3D_MATERIAL_AMBIENT,
eet_mesh->materials->colors[0].r,
eet_mesh->materials->colors[0].g,
eet_mesh->materials->colors[0].b,
eet_mesh->materials->colors[0].a),
evas_3d_material_color_set(EVAS_3D_MATERIAL_DIFFUSE,
eet_mesh->materials->colors[1].r,
eet_mesh->materials->colors[1].g,
eet_mesh->materials->colors[1].b,
eet_mesh->materials->colors[1].a),
evas_3d_material_color_set(EVAS_3D_MATERIAL_SPECULAR,
eet_mesh->materials->colors[2].r,
eet_mesh->materials->colors[2].g,
eet_mesh->materials->colors[2].b,
eet_mesh->materials->colors[2].a),
evas_3d_material_shininess_set(eet_mesh->materials->shininess));
eo_do(mesh, evas_3d_mesh_frame_material_set(0, material));
}
void
evas_3d_mesh_file_eet_set(Evas_3D_Mesh *mesh, const char *file)
{
Eet_File *ef;
_evas_3d_eet_file_init();
ef = eet_open(file, EET_FILE_MODE_READ);
eet_file = eet_data_read(ef,
_file_descriptor,
EVAS_3D_FILE_CACHE_FILE_ENTRY);
eet_close(ef);
if ((eet_file->mesh == NULL) || (eet_file->header == NULL))
{
ERR("Reading of file is failed.");
_evas_3d_eet_file_free();
return;
}
_set_geometry_to_mesh_from_eet_file(mesh, eet_file->mesh);
_set_material_to_mesh_from_eet_file(mesh, eet_file->mesh);
_evas_3d_eet_file_free();
}