forked from enlightenment/efl
112 lines
5.1 KiB
C
112 lines
5.1 KiB
C
#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <Eo.h>
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#include <Eet.h>
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#include <stdio.h>
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#include "evas_common_private.h"
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#include "evas_private.h"
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static void
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_set_geometry_to_mesh_from_eet_file(Evas_Canvas3D_Mesh *mesh,
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Evas_Canvas3D_Mesh_Eet *eet_mesh)
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{
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float *pos, *nor, *tex;
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int stride_pos, stride_nor, stride_tex, j;
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evas_canvas3d_mesh_vertex_count_set(mesh, eet_mesh->geometries->vertices_count);
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evas_canvas3d_mesh_vertex_assembly_set(mesh, EVAS_CANVAS3D_VERTEX_ASSEMBLY_TRIANGLES);
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evas_canvas3d_mesh_frame_add(mesh, 0);
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evas_canvas3d_mesh_frame_vertex_data_copy_set(mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_POSITION, 0, NULL);
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evas_canvas3d_mesh_frame_vertex_data_copy_set(mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_NORMAL, 0, NULL);
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evas_canvas3d_mesh_frame_vertex_data_copy_set(mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_TEXCOORD, 0, NULL);
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pos = (float *)evas_canvas3d_mesh_frame_vertex_data_map(mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_POSITION);
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nor = (float *)evas_canvas3d_mesh_frame_vertex_data_map(mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_NORMAL);
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tex = (float *)evas_canvas3d_mesh_frame_vertex_data_map(mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_TEXCOORD);
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stride_pos = evas_canvas3d_mesh_frame_vertex_stride_get(mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_POSITION);
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stride_nor = evas_canvas3d_mesh_frame_vertex_stride_get(mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_NORMAL);
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stride_tex = evas_canvas3d_mesh_frame_vertex_stride_get(mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_TEXCOORD);
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if (stride_pos == 0) stride_pos = sizeof(float) * 3;
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if (stride_nor == 0) stride_nor = sizeof(float) * 3;
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if (stride_tex == 0) stride_tex = sizeof(float) * 2;
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/* set data to vertex buffer */
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for (j = 0; j < eet_mesh->geometries->vertices_count; j++)
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{
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float *p, *n, *t;
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p = (float *)((char *)pos + stride_pos * j);
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n = (float *)((char *)nor + stride_nor * j);
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t = (float *)((char *)tex + stride_tex * j);
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p[0] = eet_mesh->geometries->vertices[j].position.x;
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p[1] = eet_mesh->geometries->vertices[j].position.y;
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p[2] = eet_mesh->geometries->vertices[j].position.z;
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n[0] = eet_mesh->geometries->vertices[j].normal.x;
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n[1] = eet_mesh->geometries->vertices[j].normal.y;
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n[2] = eet_mesh->geometries->vertices[j].normal.z;
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t[0] = eet_mesh->geometries->vertices[j].texcoord.x;
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t[1] = eet_mesh->geometries->vertices[j].texcoord.y;
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}
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/* unmap vertex buffer */
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evas_canvas3d_mesh_frame_vertex_data_unmap(mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_POSITION);
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evas_canvas3d_mesh_frame_vertex_data_unmap(mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_NORMAL);
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evas_canvas3d_mesh_frame_vertex_data_unmap(mesh, 0, EVAS_CANVAS3D_VERTEX_ATTRIB_TEXCOORD);
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}
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static void
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_set_material_to_mesh_from_eet_file(Evas_Canvas3D_Mesh *mesh,
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Evas_Canvas3D_Mesh_Eet *eet_mesh)
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{
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Evas_Canvas3D_Object_Data *pd = efl_data_scope_get(mesh, EVAS_CANVAS3D_OBJECT_CLASS);
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Eo *material = NULL;
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material = efl_add(EVAS_CANVAS3D_MATERIAL_CLASS, pd->evas);
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evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, !!(eet_mesh->materials->colors[0].a > 0));
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evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, !!(eet_mesh->materials->colors[1].a > 0));
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evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, !!(eet_mesh->materials->colors[2].a > 0));
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evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_NORMAL, EINA_TRUE);
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evas_canvas3d_material_color_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_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);
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evas_canvas3d_material_color_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_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);
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evas_canvas3d_material_color_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_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);
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evas_canvas3d_material_shininess_set(material, eet_mesh->materials->shininess);
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evas_canvas3d_mesh_frame_material_set(mesh, 0, material);
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}
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void
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evas_model_load_file_eet(Evas_Canvas3D_Mesh *mesh, Eina_File *file)
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{
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Eet_File *ef;
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Evas_Canvas3D_File_Eet* eet_file;
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Eet_Data_Descriptor *_file_descriptor;
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eet_init();
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_file_descriptor = _evas_canvas3d_eet_file_get();
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ef = eet_mmap(file);
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eet_file = eet_data_read(ef,
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_file_descriptor,
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EVAS_CANVAS3D_FILE_CACHE_FILE_ENTRY);
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eet_close(ef);
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if (!eet_file || !eet_file->mesh || !eet_file->header)
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{
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ERR("Failed to read model file");
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goto on_error;
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}
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_set_geometry_to_mesh_from_eet_file(mesh, eet_file->mesh);
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_set_material_to_mesh_from_eet_file(mesh, eet_file->mesh);
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on_error:
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_evas_canvas3d_eet_file_free(eet_file);
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eet_shutdown();
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}
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