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#include "extantz.h"
static void _on_mouse_move(void *data, Evas *e EINA_UNUSED, Evas_Object *o, void *einfo)
{
Scene_Data *scene = data;
Evas_Event_Mouse_Move *ev = einfo;
Evas_Coord x, y, w, h;
Evas_Coord obj_x, obj_y;
int scene_w, scene_h;
Evas_Real scene_x, scene_y;
Evas_Real s, t;
Evas_3D_Node *n;
Evas_3D_Mesh *m;
Eina_Bool pick;
char *name = NULL;
evas_object_geometry_get(o, &x, &y, &w, &h);
obj_x = ev->cur.canvas.x - x;
obj_y = ev->cur.canvas.y - y;
eo_do(scene->scene, evas_3d_scene_size_get(&scene_w, &scene_h));
scene_x = obj_x * scene_w / (Evas_Real)w;
scene_y = obj_y * scene_h / (Evas_Real)h;
eo_do(scene->scene, pick = evas_3d_scene_pick(scene_x, scene_y, &n, &m, &s, &t));
if (pick)
name = evas_object_data_get(n, "Name");
// This is a raw Evas callback, on the Elm image internal Evas_Object.
// So we need to get the Elm Image back from the raw Evas_Object.
// Which is why we stuffed it in the scene structure.
if (name)
{
elm_object_tooltip_text_set(scene->image, name);
elm_object_tooltip_show(scene->image);
}
else
{
elm_object_tooltip_text_set(scene->image, "");
elm_object_tooltip_hide(scene->image);
}
}
static void _on_mouse_down(void *data, Evas *e EINA_UNUSED, Evas_Object *o, void *einfo)
{
Scene_Data *scene = data;
Evas_Event_Mouse_Down *ev = einfo;
Evas_Coord x, y, w, h;
Evas_Coord obj_x, obj_y;
int scene_w, scene_h;
Evas_Real scene_x, scene_y;
Evas_Real s, t;
Evas_3D_Node *n;
Evas_3D_Mesh *m;
Eina_Bool pick;
char *name = NULL;
// Set the focus onto us.
elm_object_focus_set(o, EINA_TRUE);
evas_object_geometry_get(o, &x, &y, &w, &h);
obj_x = ev->canvas.x - x;
obj_y = ev->canvas.y - y;
eo_do(scene->scene, evas_3d_scene_size_get(&scene_w, &scene_h));
scene_x = obj_x * scene_w / (Evas_Real)w;
scene_y = obj_y * scene_h / (Evas_Real)h;
eo_do(scene->scene, pick = evas_3d_scene_pick(scene_x, scene_y, &n, &m, &s, &t));
if (pick)
{
name = evas_object_data_get(n, "Name");
printf("Picked : ");
if (scene->clickCb) scene->clickCb(n, e, o, einfo);
}
else
printf("Not picked : ");
if (NULL == name)
name = "";
printf("output(%d, %d) canvas(%d, %d) object(%d, %d) scene(%f, %f) texcoord(%f, %f) node(%p) %s mesh(%p)\n",
ev->output.x, ev->output.y, ev->canvas.x, ev->canvas.y, obj_x, obj_y, scene_x, scene_y, s, t, n, name, m);
}
Scene_Data *scenriAdd(Evas_Object *win)
{
Scene_Data *scene;
Evas_Object *evas, *temp;
int w, h;
evas = evas_object_evas_get(win);
eo_do(win, evas_obj_size_get(&w, &h));
scene = calloc(1, sizeof(Scene_Data));
scene->root_node = eo_add_custom(EVAS_3D_NODE_CLASS, evas, evas_3d_node_constructor(EVAS_3D_NODE_TYPE_NODE));
scene->scene = eo_add(EVAS_3D_SCENE_CLASS, evas,
evas_3d_scene_root_node_set(scene->root_node),
evas_3d_scene_size_set(w, h),
evas_3d_scene_background_color_set(0.0, 0.0, 0.0, 0.0)
);
// Add an image object for 3D scene rendering.
// Any colour or texture applied to this window gets applied to the scene, including transparency.
// Interestingly enough, the position and size of the render seems to NOT depend on the position and size of this image?
// Note that we can't reuse the windows background image, Evas_3D needs both images.
scene->image = eo_add(ELM_OBJ_IMAGE_CLASS, win,
evas_obj_size_hint_weight_set(EVAS_HINT_EXPAND, EVAS_HINT_EXPAND),
elm_obj_image_fill_outside_set(EINA_TRUE),
evas_obj_visibility_set(EINA_TRUE),
temp = elm_obj_image_object_get()
);
elm_object_tooltip_text_set(scene->image, "");
elm_object_tooltip_hide(scene->image);
scene->camera_node = cameraAdd(evas, scene, scene->image);
scene->light = eo_add(EVAS_3D_LIGHT_CLASS, evas,
evas_3d_light_ambient_set(1.0, 1.0, 1.0, 1.0),
evas_3d_light_diffuse_set(1.0, 1.0, 1.0, 1.0),
evas_3d_light_specular_set(1.0, 1.0, 1.0, 1.0),
evas_3d_light_directional_set(EINA_TRUE)
);
scene->light_node = eo_add_custom(EVAS_3D_NODE_CLASS, evas, evas_3d_node_constructor(EVAS_3D_NODE_TYPE_LIGHT),
evas_3d_node_light_set(scene->light),
evas_3d_node_position_set(1000.0, 0.0, 1000.0),
evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_3D_SPACE_PARENT, 0.0, 1.0, 0.0)
);
eo_do(scene->root_node, evas_3d_node_member_add(scene->light_node));
eo_do(temp, evas_obj_image_scene_set(scene->scene));
// Elm can't seem to be able to tell us WHERE an image was clicked, so use raw Evas callbacks instead.
evas_object_event_callback_add(temp, EVAS_CALLBACK_MOUSE_MOVE, _on_mouse_move, scene);
evas_object_event_callback_add(temp, EVAS_CALLBACK_MOUSE_DOWN, _on_mouse_down, scene);
elm_win_resize_object_add(win, scene->image);
return scene;
}
void scenriDel(Scene_Data *scene)
{
// TODO - I should probably free up all this Evas_3D stuff. Oddly Eo doesn't bitch about it, only valgrind.
// Eo bitches if they are unref'd here.
// So either Eo or valgrind bitches, depending on what I do. I'll leave them commented out, let valgrind bitch, and blame Evas_3D.
// eo_unref(scene->light_node);
// eo_unref(scene->light);
// TODO - Should have a separate cameraDel() for these.
free(scene->move);
// eo_unref(scene->camera_node);
eo_unref(scene->image);
eo_unref(scene->scene);
// eo_unref(scene->root_node);
free(scene);
}
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