initial commit, lordsawar source, slightly modified

[lordsawar] / src / bigmap.h

diff --git a/src/bigmap.h b/src/bigmap.h
new file mode 100644 (file)
index 0000000..8c79f5f
--- /dev/null
+++ b/src/bigmap.h
@@ -0,0 +1,138 @@
+// Copyright (C) 2003 Michael Bartl
+// Copyright (C) 2003, 2004, 2005 Ulf Lorenz
+// Copyright (C) 2004, 2005 Bryan Duff
+// Copyright (C) 2004, 2005, 2006 Andrea Paternesi
+// Copyright (C) 2006, 2007, 2008, 2009 Ben Asselstine
+// Copyright (C) 2007 Ole Laursen
+//
+//  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 3 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 Library 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., 51 Franklin Street, Fifth Floor, Boston, MA 
+//  02110-1301, USA.
+
+#ifndef BIGMAP_H
+#define BIGMAP_H
+
+#include <sigc++/signal.h>
+#include <sigc++/trackable.h>
+#include <sigc++/connection.h>
+#include <string>
+#include <gtkmm.h>
+
+#include "vector.h"
+#include "input-events.h"
+#include "map-tip-position.h"
+#include "rectangle.h"
+#include "PixMask.h"
+
+class Player;
+class Stack;
+class MapRenderer;
+class Item;
+class MapBackpack;
+class City;
+class Ruin;
+class Signpost;
+class Temple;
+class Location;
+
+/** The large map
+  * 
+  * The detailed map in which all the action takes place. Handles scrolling
+  * and mouse clicks via signals.
+  *
+  * Draws everything to a buffer to simplify scrolling, the buffer is then
+  * blitted to the screen. The current view of the map is kept track of both
+  * approximately (in tiles) and more precisely in pixels.
+  */
+class BigMap: public sigc::trackable
+{
+ public:
+    BigMap();
+    virtual ~BigMap();
+
+    // draw everything
+    void draw(Player *player, bool redraw_buffer = true);
+
+    // view the rectangle, measured in tiles
+    void set_view(Rectangle rect);
+    void screen_size_changed(Gtk::Allocation box);
+
+    // return a good position of a map tip given that it should be close to the
+    // tiles in tile_area without covering them
+    MapTipPosition map_tip_position(Rectangle tile_area);
+    MapTipPosition map_tip_position(Vector<int> tile);
+
+    // emitted when the view has changed because of user interactions
+    sigc::signal<void, Rectangle> view_changed;
+
+    // Emitted after a call to SmallMap::Draw.
+    /**
+     * Classes that use BigMap must catch this signal to display the map.
+     */
+    sigc::signal<void, Glib::RefPtr<Gdk::Pixmap> > map_changed;
+    void blank(bool on);
+
+    //! Save the whole map as one big image (bmp file).
+    bool saveAsBitmap(std::string filename);
+
+    //! Save the whole map, but not the game objects on top of it.
+    bool saveUnderlyingMapAsBitmap(std::string filename);
+
+    //! Save the current view as an image (bmp file).
+    bool saveViewAsBitmap(std::string filename);
+    void toggle_grid();
+    
+    Glib::RefPtr<Gdk::Pixmap> get_surface() const {return outgoing;}
+ protected:
+    MapRenderer* d_renderer;
+
+    Rectangle view;            // approximate view of screen, in tiles
+    Vector<int> view_pos;      // precise position of view in pixels
+
+    Glib::RefPtr<Gdk::Pixmap> buffer;  // the buffer we draw things in
+    Glib::RefPtr<Gdk::Pixmap> outgoing; //goes out to the gtk::image
+    Glib::RefPtr<Gdk::GC> buffer_gc;
+    Glib::RefPtr<Gdk::Pixmap> magnified_buffer;        // the zoomed buffer;
+    double magnification_factor; //how much we're zoomed
+    Rectangle buffer_view;     // current view of the buffer, in tiles
+
+    bool input_locked;
+    bool blank_screen;
+
+    bool d_grid_toggled;
+    Gtk::Allocation image;
+
+    // helpers
+    Vector<int> mouse_pos_to_tile(Vector<int> pos);
+    // offset in pixels within tile
+    Vector<int> mouse_pos_to_tile_offset(Vector<int> pos); 
+    Vector<int> tile_to_buffer_pos(Vector<int> tile);
+    Vector<int> get_view_pos_from_view();
+    void draw_buffer();  
+    void blit_object(const Location &obj, Vector<int> tile, PixMask* image, Glib::RefPtr<Gdk::Pixmap> surface, Glib::RefPtr<Gdk::GC> surface_gc);
+
+    virtual void after_draw() { }
+
+ protected:
+    void draw_stack(Stack *s, Glib::RefPtr<Gdk::Pixmap> surface, Glib::RefPtr<Gdk::GC> surface_gc);
+ private:
+    void draw_buffer(Rectangle map_view, Glib::RefPtr<Gdk::Pixmap> surface, Glib::RefPtr<Gdk::GC> context);
+    void draw_buffer_tiles(Rectangle map_view, Glib::RefPtr<Gdk::Pixmap> surface, Glib::RefPtr<Gdk::GC> context);
+
+    void draw_buffer_tile(Vector<int> tile, Glib::RefPtr<Gdk::Pixmap> surface, Glib::RefPtr<Gdk::GC> context);
+    Glib::RefPtr<Gdk::Pixmap> magnify(Glib::RefPtr<Gdk::Pixmap> orig);
+    void clip_viewable_buffer(Glib::RefPtr<Gdk::Pixmap> pixmap, Glib::RefPtr<Gdk::GC> gc, Vector<int> pos, Glib::RefPtr<Gdk::Pixmap> out);
+};
+
+#endif