xwall/Shuffler.cpp at master · TimMedcalf/xwall · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
/*
 *  Shuffler.cpp
 *  xwall
 *
 *  Created by Tim Medcalf on 19/10/2010.
 *  Copyright 2010 ErgoThis Ltd. All rights reserved.
 *
 */

#include "Shuffler.h"
#include "Global.h"
#include "CloudWord.h"
#include "iostream"
using namespace std;
void Shuffler::shuffle(CloudList *this_cloud_list)
{
	if (!settings.shuffle_words) { return; }
	//we want to do add some randomness, but instead of basing it purely on size of words, lets base it
	//on the actual area used

	//first, lets get a sum of the total area used by all main words
  int pre_shuffle_index = 0;
  if (settings.shuffle_mark < 100)
  {
    //CloudList tmp = *this_cloud_list;

    double total_area = 0;
    for(itCloudList it = this_cloud_list->begin(); it != (this_cloud_list->begin()) + settings.maximum_words; it++)
    {
      total_area += (*it)->width() * (*it)->height();
    }

    //okay - we got total area.
    //now, loop thru the list again, and find out where we hit both the pre_shuffle_amount mark an the mix amount mark
    double pre_shuffle_mark = (total_area / (double)100) * settings.shuffle_mark;
    double running_total = 0;

    int count = 0;
    for(itCloudList it = this_cloud_list->begin(); it < (this_cloud_list->begin() + settings.maximum_words); it++)
    {
      running_total += (*it)->width() * (*it)->height();
      if (running_total > pre_shuffle_mark)
      {
        pre_shuffle_index = count;
        break;
      }
      count++;
    }
  }
  else {
    pre_shuffle_index = this_cloud_list->size();
  }


	if (settings.verbose) { cout << "Shuffling the first " << pre_shuffle_index << " words. " << endl; }
	random_shuffle(this_cloud_list->begin(), this_cloud_list->begin()+pre_shuffle_index);

//	running_total = 0;
//	int pre_shuffle_mix_index = 0;
//	for(itCloudList it = this_cloud_list->begin(); it < (this_cloud_list->begin() + settings.maximum_words); it++)
//	{
//		running_total += (*it)->width() * (*it)->height();
//		if (running_total > pre_shuffle_mix_mark)
//		{
//			pre_shuffle_mix_index = count;
//			break;
//		}
//		count++;
//	}
//
//	if (settings.verbose) { cout << "PreMix: " << pre_shuffle_mix_index << endl;}
//
//	random_shuffle(this_cloud_list->begin(), this_cloud_list->begin()+pre_shuffle_mix_index+1);

}