+// $Id$
+//
+// SuperTux - A Jump'n Run
+// Copyright (C) 2004 Matthias Braun <matze@braunis.de
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
#include "background.h"
+#include "app/globals.h"
+#include "camera.h"
+#include "video/drawing_context.h"
+#include "utils/lispwriter.h"
-#include "globals.h"
-#include "viewport.h"
-#include "display_manager.h"
+Background::Background()
+ : type(INVALID), image(0)
+{
+}
-Background::Background(DisplayManager& displaymanager)
+Background::Background(LispReader& reader)
+ : type(INVALID), image(0)
{
- displaymanager.add_drawable(this, LAYER_BACKGROUND0);
+ if(reader.read_string("image", imagefile)
+ && reader.read_float("speed", speed)) {
+ set_image(imagefile, speed);
+ }
+
+ std::vector <unsigned int> bkgd_top_color, bkgd_bottom_color;
+ if(reader.read_int_vector("top_color", bkgd_top_color) &&
+ reader.read_int_vector("bottom_color", bkgd_bottom_color))
+ set_gradient(Color(bkgd_top_color), Color(bkgd_bottom_color));
}
Background::~Background()
{
+ delete image;
+}
+
+void
+Background::write(LispWriter& writer)
+{
+ if(type == INVALID)
+ return;
+
+ writer.start_list("background");
+
+ if(type == IMAGE) {
+ writer.write_string("image", imagefile);
+ writer.write_float("speed", speed);
+ } else if(type == GRADIENT) {
+ std::vector <unsigned int> bkgd_top_color, bkgd_bottom_color;
+ bkgd_top_color.push_back(gradient_top.red);
+ bkgd_top_color.push_back(gradient_top.green);
+ bkgd_top_color.push_back(gradient_top.blue);
+ bkgd_bottom_color.push_back(gradient_top.red);
+ bkgd_bottom_color.push_back(gradient_top.green);
+ bkgd_bottom_color.push_back(gradient_top.blue);
+ writer.write_int_vector("top_color", bkgd_top_color);
+ writer.write_int_vector("bottom_color", bkgd_bottom_color);
+ }
+
+ writer.end_list("background");
}
void
}
void
-Background::set_image(Surface* image, float speed)
+Background::set_image(const std::string& name, float speed)
{
- bgtype = BACKGROUND_IMAGE;
- this->image = image;
+ this->type = IMAGE;
+ this->imagefile = name;
this->speed = speed;
+
+ delete image;
+ image = new Surface(datadir + "/images/background/" + name, false);
}
void
Background::set_gradient(Color top, Color bottom)
{
- bgtype = BACKGROUND_GRADIENT;
+ type = GRADIENT;
gradient_top = top;
gradient_bottom = bottom;
+
+ delete image;
+ image = new Surface(top, bottom, screen->w, screen->h);
}
void
-Background::draw(ViewPort& viewport, int )
+Background::draw(DrawingContext& context)
{
- if(bgtype == BACKGROUND_GRADIENT) {
- drawgradient(gradient_top, gradient_bottom);
- } else if(bgtype == BACKGROUND_IMAGE) {
- int sx = int(-viewport.get_translation().x * float(speed/100.))
+ if(type == GRADIENT) {
+ /* In case we are using OpenGL just draw the gradient, else (software mode)
+ use the cache. */
+ if(use_gl)
+ context.draw_gradient(gradient_top, gradient_bottom, LAYER_BACKGROUND0);
+ else
+ {
+ context.push_transform();
+ context.set_translation(Vector(0, 0));
+ context.draw_surface(image, Vector(0, 0), LAYER_BACKGROUND0);
+ context.pop_transform();
+ }
+ } else if(type == IMAGE) {
+ int sx = int(-context.get_translation().x * speed)
% image->w - image->w;
- int sy = int(-viewport.get_translation().y * float(speed/100.))
+ int sy = int(-context.get_translation().y * speed)
% image->h - image->h;
+ context.push_transform();
+ context.set_translation(Vector(0, 0));
for(int x = sx; x < screen->w; x += image->w)
for(int y = sy; y < screen->h; y += image->h)
- image->draw(x, y);
+ context.draw_surface(image, Vector(x, y), LAYER_BACKGROUND0);
+ context.pop_transform();
}
}