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examples/unsorted/evas/evas-3d-mmap-set.c

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/**
* Example of mmap import in Evas-3D.
*
* Open files to Eina_Files.
* Read meshes from Eina_Files.
* Show the results.
*
* @verbatim
* gcc -o evas-3d-mmap-set evas-3d-mmap-set.c `pkg-config --libs --cflags efl evas ecore ecore-evas eina eo` -lm
* @endverbatim
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#else
#define PACKAGE_EXAMPLES_DIR "."
#define EFL_BETA_API_SUPPORT
#endif
#include <Eo.h>
#include <Evas.h>
#include <Ecore.h>
#include <Ecore_Evas.h>
#include "evas-common.h"
#include <math.h>
#define WIDTH 1000
#define HEIGHT 1000
#define LOAD_AND_ADD_MESH(extention, number) \
snprintf(buffer, PATH_MAX, "%s%s", template_path, #extention); \
extention##_file = eina_file_open(buffer , 0); \
mesh_##extention = efl_add(EVAS_CANVAS3D_MESH_CLASS, evas); \
efl_file_mmap_set(mesh_##extention, extention##_file, NULL); \
evas_canvas3d_mesh_frame_material_set(mesh_##extention, 0, material); \
evas_canvas3d_mesh_shader_mode_set(mesh_##extention, EVAS_CANVAS3D_SHADER_MODE_PHONG); \
node_##extention = efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_MESH)); \
evas_canvas3d_node_member_add(root_node, node_##extention); \
evas_canvas3d_node_mesh_add(node_##extention, mesh_##extention); \
evas_canvas3d_node_position_set(node_##extention, initial_node_data[number * 10], \
initial_node_data[number * 10 + 1], \
initial_node_data[number * 10 + 2]); \
evas_canvas3d_node_scale_set(node_##extention, initial_node_data[number * 10 + 3], \
initial_node_data[number * 10 + 4], \
initial_node_data[number * 10 + 5]); \
evas_canvas3d_node_orientation_angle_axis_set(node_##extention, initial_node_data[number * 10 + 6], \
initial_node_data[number * 10 + 7], \
initial_node_data[number * 10 + 8], \
initial_node_data[number * 10 + 9]);\
ecore_timer_add(0.01, _animate_##extention, node_##extention);
static const char *template_path = PACKAGE_EXAMPLES_DIR EVAS_MODEL_FOLDER "/mesh_for_mmap.";
Ecore_Evas *ecore_evas = NULL;
Evas *evas = NULL;
Eo *background = NULL;
Eo *image = NULL;
Eo *scene = NULL;
Eo *root_node = NULL;
Eo *camera_node = NULL;
Eo *light_node = NULL;
Eo *camera = NULL;
Eo *material = NULL;
Eo *light = NULL;
Eo *node_obj = NULL, *node_ply = NULL, *node_eet = NULL, *node_md2 = NULL;
Eo *mesh_obj = NULL, *mesh_ply = NULL, *mesh_eet = NULL, *mesh_md2 = NULL;
static float obj_animation_parameter = 1.0;
static float ply_animation_parameter = 180.0;
static float eet_animation_parameter = 0.0;
static float md2_animation_parameter = 0.0;
static float obj_animation_velocity = 1.0;
static float ply_animation_velocity = 1.0;
static float eet_animation_velocity = 1.0;
static float md2_animation_velocity = 1.0;
static const float initial_node_data[] =
/*position scale rotation*/
{
/*obj*/
3.0, 3.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
/*ply*/
-3.0, 3.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
/*eet*/
3.0, -3.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 0.0,
/*md2*/
-3.0, -3.0, 0.0, 0.001, 0.001, 0.001, 180.0, 0.0, 1.0, 0.0
};
static Eina_Bool
_animate_obj(void *data)
{
obj_animation_parameter += obj_animation_velocity;
float oap = obj_animation_parameter/200;
evas_canvas3d_node_scale_set((Evas_Canvas3D_Node *)data, oap, oap, oap);
evas_canvas3d_node_orientation_angle_axis_set((Evas_Canvas3D_Node *)data, obj_animation_parameter, 0.0, 1.0, 0.0);
if (obj_animation_parameter >= 360.0 || obj_animation_parameter <= 0.0)
obj_animation_velocity *= -1.0;
return EINA_TRUE;
}
static Eina_Bool
_animate_eet(void *data)
{
eet_animation_parameter += eet_animation_velocity;
evas_canvas3d_node_orientation_angle_axis_set((Evas_Canvas3D_Node *)data, eet_animation_parameter, 1.0, 0.0, 0.0);
eet_animation_velocity = sin(eet_animation_parameter / 180 * M_PI) + 1.1;
return EINA_TRUE;
}
static Eina_Bool
_animate_ply(void *data)
{
ply_animation_parameter += ply_animation_velocity;
evas_canvas3d_node_orientation_angle_axis_set((Evas_Canvas3D_Node *)data, ply_animation_parameter, 1.0, 0.0, 0.0);
if (ply_animation_parameter > 360.0) ply_animation_parameter -= 180.0f;
return EINA_TRUE;
}
static Eina_Bool
_animate_md2(void *data)
{
md2_animation_parameter += md2_animation_velocity;
evas_canvas3d_node_mesh_frame_set((Evas_Canvas3D_Node *)data, mesh_md2, md2_animation_parameter);
if (md2_animation_parameter >= 360.0 || md2_animation_parameter <= 0.0)
md2_animation_velocity *= -1.0;
return EINA_TRUE;
}
static void
_on_delete(Ecore_Evas *ee EINA_UNUSED)
{
ecore_main_loop_quit();
}
static void
_on_canvas_resize(Ecore_Evas *ee)
{
int w, h;
ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
efl_gfx_entity_size_set(background, EINA_SIZE2D(w, h));
efl_gfx_entity_size_set(image, EINA_SIZE2D(w, h));
}
int
main(void)
{
char buffer[PATH_MAX];
Eina_File *obj_file, *ply_file, *eet_file, *md2_file;
// Unless Evas 3D supports Software renderer, we force use of the gl backend.
setenv("ECORE_EVAS_ENGINE", "opengl_x11", 1);
if (!ecore_evas_init()) return 0;
ecore_evas = ecore_evas_new(NULL, 10, 10, WIDTH, HEIGHT, NULL);
if (!ecore_evas) return 0;
ecore_evas_callback_delete_request_set(ecore_evas, _on_delete);
ecore_evas_callback_resize_set(ecore_evas, _on_canvas_resize);
ecore_evas_show(ecore_evas);
evas = ecore_evas_get(ecore_evas);
/* Add a scene object .*/
scene = efl_add(EVAS_CANVAS3D_SCENE_CLASS, evas);
/* Add the root node for the scene. */
root_node = efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_NODE));
/* Add the camera. */
camera = efl_add(EVAS_CANVAS3D_CAMERA_CLASS, evas);
evas_canvas3d_camera_projection_perspective_set(camera, 10.0, 1.0, 1.0, 500.0);
camera_node =
efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_CAMERA));
evas_canvas3d_node_camera_set(camera_node, camera);
evas_canvas3d_node_member_add(root_node, camera_node);
evas_canvas3d_node_position_set(camera_node, 0.0, 0.0, 100.0);
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);
/* Add the light. */
light = efl_add(EVAS_CANVAS3D_LIGHT_CLASS, evas);
evas_canvas3d_light_ambient_set(light, 1.0, 1.0, 1.0, 1.0);
evas_canvas3d_light_diffuse_set(light, 1.0, 1.0, 1.0, 1.0);
evas_canvas3d_light_specular_set(light, 1.0, 1.0, 1.0, 1.0);
evas_canvas3d_light_directional_set(light, EINA_TRUE);
light_node =
efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_LIGHT));
evas_canvas3d_node_light_set(light_node, light);
evas_canvas3d_node_position_set(light_node, 1.0, 0.0, 100.0);
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);
evas_canvas3d_node_member_add(root_node, light_node);
material = efl_add(EVAS_CANVAS3D_MATERIAL_CLASS, evas);
evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE);
evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE);
evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE);
evas_canvas3d_material_enable_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_NORMAL, EINA_TRUE);
evas_canvas3d_material_color_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 0.01, 0.01, 0.01, 1.0);
evas_canvas3d_material_color_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 1.0, 1.0, 0.0, 1.0);
evas_canvas3d_material_color_set(material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 0.5, 0.0, 1.0, 1.0);
evas_canvas3d_material_shininess_set(material, 50.0);
/* Add the meshes */
LOAD_AND_ADD_MESH(obj, 0);
LOAD_AND_ADD_MESH(eet, 1);
LOAD_AND_ADD_MESH(ply, 2);
LOAD_AND_ADD_MESH(md2, 3);
/* Set up scene. */
evas_canvas3d_scene_root_node_set(scene, root_node);
evas_canvas3d_scene_camera_node_set(scene, camera_node);
evas_canvas3d_scene_size_set(scene, WIDTH, HEIGHT);
/* Add a background rectangle object. */
background = efl_add(EFL_CANVAS_RECTANGLE_CLASS, evas);
efl_gfx_color_set(background, 20, 20, 200, 255);
efl_gfx_entity_size_set(background, EINA_SIZE2D(WIDTH, HEIGHT));
efl_gfx_entity_visible_set(background, EINA_TRUE);
/* Add an image object for 3D scene rendering. */
image = efl_add(EFL_CANVAS_SCENE3D_CLASS, evas);
efl_gfx_entity_size_set(image, EINA_SIZE2D(WIDTH, HEIGHT));
efl_gfx_entity_visible_set(image, EINA_TRUE);
/* Set the image object as render target for 3D scene. */
efl_canvas_scene3d_set(image, scene);
/* Enter main loop. */
ecore_main_loop_begin();
ecore_evas_free(ecore_evas);
ecore_evas_shutdown();
eina_file_close(obj_file);
eina_file_close(ply_file);
eina_file_close(eet_file);
eina_file_close(md2_file);
return 0;
}
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