/* This callback serves to keep the markers ordered by their latitude.
* Markers that are up north on the map should be lowered in the list so that
* they are drawn the first. This is to make the illusion of a semi-3d plane
* where the most north you are, the farther you are.
*/
static void
reorder_marker (ClutterGroup *layer,
ChamplainBaseMarker *marker)
{
guint i;
gdouble y, tmp_y, low_y;
ChamplainBaseMarker *lowest = NULL;
g_object_get (G_OBJECT (marker), "latitude", &y, NULL);
y = 90 - y;
low_y = G_MAXDOUBLE;
for (i = 0; i < clutter_group_get_n_children (layer); i++)
{
ChamplainBaseMarker *prev_marker = CHAMPLAIN_BASE_MARKER (clutter_group_get_nth_child (layer, i));
if (prev_marker == (ChamplainBaseMarker*) marker)
continue;
g_object_get(G_OBJECT(prev_marker), "latitude", &tmp_y, NULL);
tmp_y = 90 - tmp_y;
if (y < tmp_y && tmp_y < low_y)
{
lowest = prev_marker;
low_y = tmp_y;
}
}
if (lowest)
clutter_container_lower_child (CLUTTER_CONTAINER(layer),
CLUTTER_ACTOR (marker), CLUTTER_ACTOR (lowest));
}
void
gnibbles_board_rescale (GnibblesBoard *board, gint tilesize)
{
gint i, count;
gfloat x_pos, y_pos;
ClutterActor *tmp;
if (!board->level)
return;
if (!board->surface)
return;
board->width = BOARDWIDTH * tilesize;
board->height = BOARDHEIGHT * tilesize;
clutter_actor_set_size (CLUTTER_ACTOR (board->surface),
board->width,
board->height);
count = clutter_group_get_n_children (CLUTTER_GROUP (board->level));
for (i = 0; i < count; i++) {
tmp = clutter_group_get_nth_child (CLUTTER_GROUP (board->level), i);
clutter_actor_get_position (CLUTTER_ACTOR (tmp), &x_pos, &y_pos);
clutter_actor_set_position (CLUTTER_ACTOR (tmp),
(x_pos / properties->tilesize) * tilesize,
(y_pos / properties->tilesize) * tilesize);
clutter_actor_set_size (CLUTTER_ACTOR (tmp), tilesize, tilesize);
}
}
void
gnibbles_worm_rescale (GnibblesWorm *worm, gint tilesize)
{
int i;
gfloat x_pos, y_pos;
gint count;
ClutterActor *tmp;
GError *err = NULL;
if (!worm)
return;
if (!worm->actors)
return;
count = clutter_group_get_n_children (CLUTTER_GROUP (worm->actors));
for (i = 0; i < count; i++) {
tmp = clutter_group_get_nth_child (CLUTTER_GROUP (worm->actors), i);
clutter_actor_get_position (tmp, &x_pos, &y_pos);
clutter_actor_set_position (tmp,
(x_pos / properties->tilesize) * tilesize,
(y_pos / properties->tilesize) * tilesize);
gtk_clutter_texture_set_from_pixbuf (
CLUTTER_TEXTURE (tmp),
worm_pixmaps[properties->wormprops[worm->number]->color - 12],
&err);
if (err)
gnibbles_error (err->message);
}
}
static void rc_free(void *renderer)
{
RendererClutter *rc = (RendererClutter *)renderer;
GtkWidget *widget = gtk_bin_get_child(GTK_BIN(rc->pr));
rc_remove_pending_updates(rc);
rc_overlay_free_all(rc);
if (widget)
{
/* widget still exists */
clutter_actor_destroy(rc->group);
if (clutter_group_get_n_children(CLUTTER_GROUP(rc->stage)) == 0)
{
DEBUG_1("destroy %p", rc->widget);
/* this was the last user */
gtk_widget_destroy(rc->widget);
}
else
{
DEBUG_1("keep %p", rc->widget);
g_object_unref(G_OBJECT(rc->widget));
}
}
g_free(rc);
}
void
gnibbles_board_resize (GnibblesBoard *board, gint newtile)
{
int i;
int x_pos;
int y_pos;
int count;
ClutterActor *tmp;
ClutterActor *stage = gnibbles_board_get_stage (board);
clutter_actor_set_size (stage,
BOARDWIDTH * newtile,
BOARDHEIGHT * newtile);
clutter_actor_set_size (board->surface,
BOARDWIDTH * newtile,
BOARDHEIGHT * newtile);
if (!board->level)
return;
count = clutter_group_get_n_children (CLUTTER_GROUP (board->level));
for (i = 0; i < count; i++) {
tmp = clutter_group_get_nth_child (CLUTTER_GROUP (board->level), i);
clutter_actor_get_position (tmp, &x_pos, &y_pos);
clutter_actor_set_position (tmp,
(x_pos / properties->tilesize) * newtile,
(y_pos / properties->tilesize) * newtile);
clutter_actor_set_size (tmp ,newtile, newtile);
}
}
static void
fluttr_viewer_paint (ClutterActor *actor)
{
FluttrViewer *viewer;
FluttrViewerPrivate *priv;
viewer = FLUTTR_VIEWER(actor);
priv = FLUTTR_VIEWER_GET_PRIVATE(viewer);
glPushMatrix();
gint i;
gint len = clutter_group_get_n_children (CLUTTER_GROUP (actor));
for (i = 0; i < len; i++) {
ClutterActor* child;
child = clutter_group_get_nth_child (CLUTTER_GROUP(actor), i);
if (child) {
clutter_actor_paint (child);
}
}
glPopMatrix();
}
static void
fade_in_completed (G_GNUC_UNUSED ClutterAnimation *animation, ChamplainTile *self)
{
ChamplainTilePrivate *priv = self->priv;
if (!priv->content_group)
return;
if (clutter_group_get_n_children (CLUTTER_GROUP (priv->content_group)) > 1)
clutter_actor_destroy (clutter_group_get_nth_child (CLUTTER_GROUP (priv->content_group), 0));
}
/**
* champlain_layer_hide_all_markers:
* @layer: a #ChamplainLayer
*
* Calls clutter_actor_hide on all markers
*
* Since: 0.4
*/
void
champlain_layer_hide_all_markers (ChamplainLayer *layer)
{
guint i;
g_return_if_fail (CHAMPLAIN_IS_LAYER (layer));
for (i = 0; i < clutter_group_get_n_children (CLUTTER_GROUP (layer)); i++)
{
ClutterActor *marker = CLUTTER_ACTOR (clutter_group_get_nth_child (CLUTTER_GROUP (layer), i));
clutter_actor_hide (marker);
}
}
/**
* champlain_layer_animate_out_all_markers:
* @layer: a #ChamplainLayer
*
* Fade out all markers with an animation
*
* Since: 0.4
*/
void
champlain_layer_animate_out_all_markers (ChamplainLayer *layer)
{
guint i;
guint delay = 0;
g_return_if_fail (CHAMPLAIN_IS_LAYER (layer));
for (i = 0; i < clutter_group_get_n_children (CLUTTER_GROUP (layer)); i++)
{
ChamplainBaseMarker *marker = CHAMPLAIN_BASE_MARKER (clutter_group_get_nth_child (CLUTTER_GROUP (layer), i));
champlain_base_marker_animate_out_with_delay (marker, delay);
delay += 50;
}
}
static gboolean
key_group_action_move_right (KeyGroup *self,
const gchar *action_name,
guint key_val,
ClutterModifierType modifiers)
{
gint n_children;
g_debug ("%s: activated '%s' (k:%d, m:%d)",
G_STRLOC,
action_name,
key_val,
modifiers);
n_children = clutter_group_get_n_children (CLUTTER_GROUP (self));
self->selected_index += 1;
if (self->selected_index >= n_children)
self->selected_index = 0;
return TRUE;
}
static VALUE
rbclt_group_n_children (VALUE self)
{
ClutterGroup *group = CLUTTER_GROUP (RVAL2GOBJ (self));
return INT2NUM (clutter_group_get_n_children (group));
}
