paysages3d/gui_gtk/tab_clouds.c
2011-12-23 22:00:19 +00:00

131 lines
3 KiB
C

/* Terrain tab */
#include "common.h"
#include "../shared/functions.h"
#include "../shared/constants.h"
#include "../clouds.h"
#include <math.h>
static SmallPreview* _preview;
static CloudsDefinition _definition;
static int _current_layer;
static GtkTreeView* _list_layers;
static GtkListStore* _list_layers_model;
/***** Internal functions *****/
static void _revertCurrentLayer()
{
if (_current_layer >= 0)
{
cloudsCopyDefinition(cloudsGetDefinition(_current_layer), &_definition);
}
/* TODO Revert layer from config */
guiPreviewRedraw(_preview);
}
static void _applyCurrentLayer()
{
/* TODO Apply layer config */
guiUpdate();
}
static void _revertAll()
{
int i, n;
CloudsDefinition layer;
GtkTreeIter row;
gtk_list_store_clear(_list_layers_model);
n = cloudsGetLayerCount();
for (i = 0 ; i < n; i++)
{
layer = cloudsGetDefinition(i);
gtk_list_store_append(_list_layers_model, &row);
gtk_list_store_set(_list_layers_model, &row, 0, layer.ymin, 1, layer.ymax - layer.ymin, -1);
}
if (_current_layer < 0 || _current_layer >= n)
{
_current_layer = -1;
}
_revertCurrentLayer();
}
/***** Preview callbacks *****/
static Color _cbPreviewPixel(SmallPreview* preview, double x, double y, double xoffset, double yoffset, double scaling)
{
Color result, layer_color;
Vector3 start, end;
if (_current_layer < 0)
{
return COLOR_BLACK;
}
else
{
start.x = end.x = x;
start.z = end.z = y;
start.y = _definition.ymin;
end.y = _definition.ymax;
result.r = 0.3;
result.g = 0.5;
result.b = 0.8;
result.a = 1.0;
layer_color = cloudsGetColorCustom(start, end, &_definition, NULL, NULL);
colorMask(&result, &layer_color);
return result;
}
}
/***** Config callbacks *****/
static void _cbLayerSelected(GtkTreeView* tree_view, gpointer user_data)
{
GtkTreePath* path;
GtkTreeViewColumn* column;
int* indices;
gtk_tree_view_get_cursor(tree_view, &path, &column);
indices = gtk_tree_path_get_indices(path);
if (indices)
{
_current_layer = 0;
}
else
{
_current_layer = -1;
}
_revertCurrentLayer();
}
/***** Public functions *****/
void guiCloudsInit()
{
_list_layers = GTK_TREE_VIEW(GET_WIDGET("clouds_layers"));
_list_layers_model = GTK_LIST_STORE(gtk_tree_view_get_model(_list_layers));
_definition = cloudsCreateDefinition();
_preview = guiPreviewNew(GTK_IMAGE(GET_WIDGET("clouds_preview")));
guiPreviewConfigScaling(_preview, 1.0, 100.0, 1.0);
guiPreviewConfigScrolling(_preview, -10000.0, 10000.0, -10000.0, 10000.0);
guiPreviewSetViewport(_preview, 0.0, 0.0, 10.0);
guiPreviewSetRenderer(_preview, _cbPreviewPixel);
g_signal_connect(_list_layers, "cursor-changed", G_CALLBACK(_cbLayerSelected), NULL);
guiCloudsUpdate();
}
void guiCloudsUpdate()
{
_revertAll();
}