planarity/gameboard_logic_push.c

   1 /*
   2  *
   3  *  gPlanarity:
   4  *     The geeky little puzzle game with a big noodly crunch!
   5  *
   6  *     gPlanarity copyright (C) 2005 Monty <monty@xiph.org>
   7  *     Original Flash game by John Tantalo <john.tantalo@case.edu>
   8  *     Original game concept by Mary Radcliffe
   9  *
  10  *  gPlanarity is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2, or (at your option)
  13  *  any later version.
  14  *
  15  *  gPlanarity is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with Postfish; see the file COPYING.  If not, write to the
  22  *  Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  23  *
  24  *
  25  */
  26
  27 #define _GNU_SOURCE
  28 #include <gtk/gtk.h>
  29 #include <gtk/gtkmain.h>
  30 #include <gdk/gdk.h>
  31 #include <gdk/gdkx.h>
  32 #include <stdlib.h>
  33 #include <math.h>
  34 #include <string.h>
  35
  36 #include "graph.h"
  37 #include "gameboard.h"
  38
  39 void update_push(Gameboard *g, cairo_t *c){
  40
  41   if(g->pushed_curtain){
  42     int w = g->g.width;
  43     int h = g->g.height;
  44
  45     draw_foreground(g,c,0,0,w,h);
  46
  47     // copy in the score and button surfaces
  48     cairo_set_source_surface(c,g->forescore,0,0);
  49     cairo_rectangle(c, 0,0,w,
  50                     min(SCOREHEIGHT,h));
  51     cairo_fill(c);
  52
  53     cairo_set_source_surface(c,g->forebutton,0,h-SCOREHEIGHT);
  54     cairo_rectangle(c, 0,0,w,h);
  55     cairo_fill(c);
  56
  57     if(g->show_intersections)
  58       draw_intersections(g,&g->g,c,0,0,w,h);
  59
  60     cairo_set_source (c, g->curtainp);
  61     cairo_paint(c);
  62
  63     if(g->redraw_callback)g->redraw_callback(g);
  64   }
  65 }
  66
  67 void push_curtain(Gameboard *g,void(*redraw_callback)(Gameboard *g)){
  68   if(!g->pushed_curtain){
  69     cairo_t *c = cairo_create(g->background);
  70     g->pushed_curtain=1;
  71     g->redraw_callback=redraw_callback;
  72
  73     update_push(g,c);
  74
  75     cairo_destroy(c);
  76     expose_full(g);
  77
  78     //gameboard_draw(g,0,0,w,h);
  79   }
  80 }
  81
  82 void pop_curtain(Gameboard *g){
  83   if(g->pushed_curtain){
  84     g->pushed_curtain=0;
  85     update_full(g);
  86   }
  87 }