262 lines
9.3 KiB
C
262 lines
9.3 KiB
C
/**
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* Simple Evas example illustrating import from mmap.
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*
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* Open files to Eina_Files.
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* Read meshes from Eina_Files.
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* Show the results.
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*
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* @verbatim
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* gcc -o evas-3d-mmap-set evas-3d-mmap-set.c `pkg-config --libs --cflags efl evas ecore ecore-evas eina eo` -lm
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* @endverbatim
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#else
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#define PACKAGE_EXAMPLES_DIR "."
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#define EFL_EO_API_SUPPORT
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#define EFL_BETA_API_SUPPORT
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#endif
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#include <Eo.h>
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#include <Evas.h>
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#include <Ecore.h>
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#include <Ecore_Evas.h>
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#include "evas-common.h"
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#include <math.h>
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#define WIDTH 1000
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#define HEIGHT 1000
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#define LOAD_AND_ADD_MESH(extention, number) \
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snprintf(buffer, PATH_MAX, "%s%s", template_path, #extention); \
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extention##_file = eina_file_open(buffer , 0); \
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mesh_##extention = eo_add(EVAS_CANVAS3D_MESH_CLASS, evas); \
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efl_file_mmap_set(mesh_##extention, extention##_file, NULL); \
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evas_canvas3d_mesh_frame_material_set(mesh_##extention, 0, material); \
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evas_canvas3d_mesh_shade_mode_set(mesh_##extention, EVAS_CANVAS3D_SHADE_MODE_PHONG); \
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node_##extention = eo_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(eoid, EVAS_CANVAS3D_NODE_TYPE_MESH)); \
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evas_canvas3d_node_member_add(root_node, node_##extention); \
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evas_canvas3d_node_mesh_add(node_##extention, mesh_##extention); \
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evas_canvas3d_node_position_set(node_##extention, initial_node_data[number * 10], \
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initial_node_data[number * 10 + 1], \
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initial_node_data[number * 10 + 2]); \
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evas_canvas3d_node_scale_set(node_##extention, initial_node_data[number * 10 + 3], \
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initial_node_data[number * 10 + 4], \
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initial_node_data[number * 10 + 5]); \
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evas_canvas3d_node_orientation_angle_axis_set(node_##extention, initial_node_data[number * 10 + 6], \
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initial_node_data[number * 10 + 7], \
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initial_node_data[number * 10 + 8], \
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initial_node_data[number * 10 + 9]);\
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ecore_timer_add(0.01, _animate_##extention, node_##extention);
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static const char *template_path = PACKAGE_EXAMPLES_DIR EVAS_MODEL_FOLDER "/mesh_for_mmap.";
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Ecore_Evas *ecore_evas = NULL;
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Evas *evas = NULL;
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Eo *background = NULL;
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Eo *image = NULL;
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Eo *scene = NULL;
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Eo *root_node = NULL;
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Eo *camera_node = NULL;
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Eo *light_node = NULL;
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Eo *camera = NULL;
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Eo *material = NULL;
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Eo *light = NULL;
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Eo *node_obj = NULL, *node_ply = NULL, *node_eet = NULL, *node_md2 = NULL;
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Eo *mesh_obj = NULL, *mesh_ply = NULL, *mesh_eet = NULL, *mesh_md2 = NULL;
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static float obj_animation_parameter = 1.0;
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static float ply_animation_parameter = 180.0;
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static float eet_animation_parameter = 0.0;
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static float md2_animation_parameter = 0.0;
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static float obj_animation_velocity = 1.0;
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static float ply_animation_velocity = 1.0;
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static float eet_animation_velocity = 1.0;
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static float md2_animation_velocity = 1.0;
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static const float initial_node_data[] =
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/*position scale rotation*/
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{
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/*obj*/
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3.0, 3.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
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/*ply*/
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-3.0, 3.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
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/*eet*/
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3.0, -3.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
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/*md2*/
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-3.0, -3.0, 0.0, 0.001, 0.001, 0.001, 180.0, 0.0, 1.0, 0.0
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};
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static Eina_Bool
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_animate_obj(void *data)
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{
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obj_animation_parameter += obj_animation_velocity;
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float oap = obj_animation_parameter/200;
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evas_canvas3d_node_scale_set((Evas_Canvas3D_Node *)data, oap, oap, oap);
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evas_canvas3d_node_orientation_angle_axis_set((Evas_Canvas3D_Node *)data, obj_animation_parameter, 0.0, 1.0, 0.0);
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if (obj_animation_parameter >= 360.0 || obj_animation_parameter <= 0.0)
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obj_animation_velocity *= -1.0;
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return EINA_TRUE;
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}
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static Eina_Bool
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_animate_eet(void *data)
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{
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eet_animation_parameter += eet_animation_velocity;
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evas_canvas3d_node_orientation_angle_axis_set((Evas_Canvas3D_Node *)data, eet_animation_parameter, 1.0, 0.0, 0.0);
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eet_animation_velocity = sin(eet_animation_parameter / 180 * M_PI) + 1.1;
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return EINA_TRUE;
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}
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static Eina_Bool
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_animate_ply(void *data)
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{
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ply_animation_parameter += ply_animation_velocity;
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evas_canvas3d_node_orientation_angle_axis_set((Evas_Canvas3D_Node *)data, ply_animation_parameter, 1.0, 0.0, 0.0);
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if (ply_animation_parameter > 360.0) ply_animation_parameter -= 180.0f;
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return EINA_TRUE;
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}
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static Eina_Bool
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_animate_md2(void *data)
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{
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md2_animation_parameter += md2_animation_velocity;
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evas_canvas3d_node_mesh_frame_set((Evas_Canvas3D_Node *)data, mesh_md2, md2_animation_parameter);
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if (md2_animation_parameter >= 360.0 || md2_animation_parameter <= 0.0)
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md2_animation_velocity *= -1.0;
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return EINA_TRUE;
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}
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static void
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_on_delete(Ecore_Evas *ee EINA_UNUSED)
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{
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ecore_main_loop_quit();
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}
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static void
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_on_canvas_resize(Ecore_Evas *ee)
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{
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int w, h;
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ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
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efl_gfx_size_set(background, w, h);
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efl_gfx_size_set(image, w, h);
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}
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int
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main(void)
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{
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char buffer[PATH_MAX];
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Eina_File *obj_file, *ply_file, *eet_file, *md2_file;
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//Unless Evas 3D supports Software renderer, we set gl backened forcely.
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setenv("ECORE_EVAS_ENGINE", "opengl_x11", 1);
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if (!ecore_evas_init()) return 0;
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ecore_evas = ecore_evas_new(NULL, 10, 10, WIDTH, HEIGHT, NULL);
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if (!ecore_evas) return 0;
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ecore_evas_callback_delete_request_set(ecore_evas, _on_delete);
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ecore_evas_callback_resize_set(ecore_evas, _on_canvas_resize);
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ecore_evas_show(ecore_evas);
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evas = ecore_evas_get(ecore_evas);
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/* Add a scene object .*/
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scene = eo_add(EVAS_CANVAS3D_SCENE_CLASS, evas);
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/* Add the root node for the scene. */
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root_node = eo_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(eoid, EVAS_CANVAS3D_NODE_TYPE_NODE));
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/* Add the camera. */
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camera = eo_add(EVAS_CANVAS3D_CAMERA_CLASS, evas);
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evas_canvas3d_camera_projection_perspective_set(camera, 10.0, 1.0, 1.0, 500.0);
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camera_node =
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eo_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(eoid, EVAS_CANVAS3D_NODE_TYPE_CAMERA));
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evas_canvas3d_node_camera_set(camera_node, camera);
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evas_canvas3d_node_member_add(root_node, camera_node);
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evas_canvas3d_node_position_set(camera_node, 0.0, 0.0, 100.0);
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evas_canvas3d_node_look_at_set(camera_node, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0);
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/* Add the light. */
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light = eo_add(EVAS_CANVAS3D_LIGHT_CLASS, evas);
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evas_canvas3d_light_ambient_set(light, 1.0, 1.0, 1.0, 1.0);
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evas_canvas3d_light_diffuse_set(light, 1.0, 1.0, 1.0, 1.0);
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evas_canvas3d_light_specular_set(light, 1.0, 1.0, 1.0, 1.0);
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evas_canvas3d_light_directional_set(light, EINA_TRUE);
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light_node =
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eo_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(eoid, EVAS_CANVAS3D_NODE_TYPE_LIGHT));
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evas_canvas3d_node_light_set(light_node, light);
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evas_canvas3d_node_position_set(light_node, 1.0, 0.0, 100.0);
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evas_canvas3d_node_look_at_set(light_node, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0);
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evas_canvas3d_node_member_add(root_node, light_node);
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material = eo_add(EVAS_CANVAS3D_MATERIAL_CLASS, evas);
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evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE);
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evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE);
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evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE);
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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, 0.01, 0.01, 0.01, 1.0);
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evas_canvas3d_material_color_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 1.0, 1.0, 0.0, 1.0);
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evas_canvas3d_material_color_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 0.5, 0.0, 1.0, 1.0);
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evas_canvas3d_material_shininess_set(material, 50.0);
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/* Add the meshes */
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LOAD_AND_ADD_MESH(obj, 0);
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LOAD_AND_ADD_MESH(eet, 1);
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LOAD_AND_ADD_MESH(ply, 2);
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LOAD_AND_ADD_MESH(md2, 3);
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/* Set up scene. */
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evas_canvas3d_scene_root_node_set(scene, root_node);
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evas_canvas3d_scene_camera_node_set(scene, camera_node);
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evas_canvas3d_scene_size_set(scene, WIDTH, HEIGHT);
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/* Add a background rectangle objects. */
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background = eo_add(EVAS_RECTANGLE_CLASS, evas);
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efl_gfx_color_set(background, 20, 20, 200, 255);
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efl_gfx_size_set(background, WIDTH, HEIGHT);
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efl_gfx_visible_set(background, EINA_TRUE);
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/* Add an image object for 3D scene rendering. */
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image = evas_object_image_filled_add(evas);
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efl_gfx_size_set(image, WIDTH, HEIGHT);
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efl_gfx_visible_set(image, EINA_TRUE);
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/* Set the image object as render target for 3D scene. */
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evas_obj_image_scene_set(image, scene);
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/* Enter main loop. */
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ecore_main_loop_begin();
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ecore_evas_free(ecore_evas);
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ecore_evas_shutdown();
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eina_file_close(obj_file);
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eina_file_close(ply_file);
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eina_file_close(eet_file);
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eina_file_close(md2_file);
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return 0;
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}
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