/**
* grits_plugin_env_new:
* @viewer: the #GritsViewer to use for drawing
* @prefs: the #GritsPrefs for storing configurations
*
* Create a new instance of the environment plugin.
*
* Returns: the new #GritsPluginEnv
*/
GritsPluginEnv *grits_plugin_env_new(GritsViewer *viewer, GritsPrefs *prefs)
{
g_debug("GritsPluginEnv: new");
GritsPluginEnv *env = g_object_new(GRITS_TYPE_PLUGIN_ENV, NULL);
env->viewer = g_object_ref(viewer);
env->prefs = g_object_ref(prefs);
/* Add sky */
GritsCallback *sky = grits_callback_new(sky_expose, env);
grits_viewer_add(viewer, GRITS_OBJECT(sky), GRITS_LEVEL_BACKGROUND, FALSE);
env->refs = g_list_prepend(env->refs, sky);
/* Add compass */
GritsCallback *compass = grits_callback_new(compass_expose, env);
grits_viewer_add(viewer, GRITS_OBJECT(compass), GRITS_LEVEL_HUD, TRUE);
g_signal_connect(compass, "clicked", G_CALLBACK(compass_click), viewer);
grits_object_set_cursor(GRITS_OBJECT(compass), GDK_CROSS);
env->refs = g_list_prepend(env->refs, compass);
/* Add info */
//GritsCallback *info = grits_callback_new(info_expose, env);
//grits_viewer_add(viewer, GRITS_OBJECT(info), GRITS_LEVEL_HUD, FALSE);
//env->refs = g_list_prepend(env->refs, info);
(void)info_expose;
/* Add background */
//GritsTile *background = grits_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
//glGenTextures(1, &env->tex);
//background->data = &env->tex;
//grits_viewer_add(viewer, GRITS_OBJECT(background), GRITS_LEVEL_BACKGROUND, FALSE);
//env->refs = g_list_prepend(env->refs, background);
return env;
}
static gboolean _draw_level(gpointer key, gpointer value, gpointer user_data)
{
g_debug("GritsOpenGL: _draw_level - level=%-4ld", (glong)key);
GritsOpenGL *opengl = user_data;
struct RenderLevel *level = value;
int nsorted = 0, nunsorted = 0;
GList *cur = NULL;
/* Draw opaque objects without sorting */
glDepthMask(TRUE);
glClear(GL_DEPTH_BUFFER_BIT);
for (cur = level->unsorted.next; cur; cur = cur->next, nunsorted++)
grits_object_draw(GRITS_OBJECT(cur->data), opengl);
/* Freeze depth buffer and draw transparent objects sorted */
/* TODO: sorting */
//glDepthMask(FALSE);
glAlphaFunc(GL_GREATER, 0.1);
for (cur = level->sorted.next; cur; cur = cur->next, nsorted++)
grits_object_draw(GRITS_OBJECT(cur->data), opengl);
/* TODO: Prune empty levels */
g_debug("GritsOpenGL: _draw_level - drew %d,%d objects",
nunsorted, nsorted);
return FALSE;
}
/**
* grits_plugin_sat_new:
* @viewer: the #GritsViewer to use for drawing
*
* Create a new instance of the satellite plugin.
*
* Returns: the new #GritsPluginSat
*/
GritsPluginSat *grits_plugin_sat_new(GritsViewer *viewer)
{
g_debug("GritsPluginSat: new");
GritsPluginSat *sat = g_object_new(GRITS_TYPE_PLUGIN_SAT, NULL);
sat->viewer = g_object_ref(viewer);
/* Load initial tiles */
gdouble lat, lon, elev;
grits_viewer_get_location(viewer, &lat, &lon, &elev);
_on_location_changed(viewer, lat, lon, elev, sat);
/* Connect signals */
sat->sigid = g_signal_connect(sat->viewer, "location-changed",
G_CALLBACK(_on_location_changed), sat);
/* Add renderers */
grits_viewer_add(viewer, GRITS_OBJECT(sat->tiles), GRITS_LEVEL_WORLD, FALSE);
return sat;
}
