planarity/graph_score.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 #include <string.h>
  28 #include <stdio.h>
  29 #include <math.h>
  30 #include "graph.h"
  31 #include "timer.h"
  32
  33 static char objective_string[160];
  34
  35
  36 int graphscore_get_raw_score(graph *g){
  37   return (int)ceil((g->original_intersections- g->active_intersections)*
  38                    g->intersection_mult);
  39 }
  40
  41 int graphscore_get_multiplier_percent(graph *g){
  42   float obj_multiplier = 100;
  43
  44   if(g->objective_lessthan)
  45     if(g->objective > g->active_intersections)
  46       obj_multiplier +=  100.f * g->objective_mult / g->objective * (g->objective - g->active_intersections);
  47
  48   return ceil(obj_multiplier);
  49 }
  50
  51 int graphscore_get_score(graph *g){
  52   return graphscore_get_raw_score(g)*graphscore_get_multiplier_percent(g)/100;
  53 }
  54
  55 int graphscore_get_bonus(graph *g){
  56   int obj_multiplier = graphscore_get_multiplier_percent(g);
  57
  58   if(get_timer()< g->original_intersections*g->intersection_mult)
  59     return ceil ((g->original_intersections*g->intersection_mult-get_timer()) * obj_multiplier / 100);
  60
  61   return 0;
  62 }
  63
  64 char *graphscore_objective_string(graph *g){
  65   if(g->objective == 0)
  66     return "zero intersections";
  67   if(g->objective == 1){
  68     if(g->objective_lessthan){
  69       return "1 intersection or fewer";
  70     }else{
  71       return "1 intersection";
  72     }
  73   }else{
  74     snprintf(objective_string,160,"%d intersections%s",
  75              g->objective,(g->objective_lessthan?
  76                         " or fewer":""));
  77     return objective_string;
  78   }
  79 }
  80
  81