Changeset 197

Timestamp:

02/05/09 17:37:36 (4 years ago)

Author:

guyru

Message:

Save score distribution

Location:

trunk/src

Files:

• statistics.cpp (modified) (5 diffs)
• statistics.h (modified) (2 diffs)

trunk/src/statistics.cpp

@@ -21 +21 @@
 #include <string>
 #include <cstdlib>
+#include <boost/algorithm/string/split.hpp>
+#include <boost/algorithm/string/classification.hpp>
 #include "statistics.h"
 #include "utility.h"
@@ -26 +28 @@
 using namespace std;
 using namespace statistics;
+using namespace boost;
 
 Statistics::Statistics(configuration::Configuration *backend)
 {
         string tmp;
+        vector<string> tmp_vec;
         this->backend = backend;
         
@@ -37 +41 @@
         tmp = backend->get("statistics_games_finished");
         games_finished = atoi(tmp.c_str());
+
+        tmp = backend->get("statistics_score_distribution");
+        split(tmp_vec, tmp, is_any_of(","));
+        if (tmp_vec.size() != score_distributions_slots) {
+                reset();
+                return;
+        }
+
+        for (vector<string>::iterator iter = tmp_vec.begin();
+                iter != tmp_vec.end(); iter++) {
+                score_distribution.push_back(atoi(iter->c_str()));
+        }
         
 }
@@ -48 +64 @@
 void Statistics::game_finished(int score)
 {       
+        int score_slot;
         games_finished++;
+
+        score_slot = score/score_distribution_granuality;
+        score_slot = score_slot<score_distributions_slots ? score_slot : score_slot;
+        score_distribution[score_slot]++;
         save();
 }
 
 void Statistics::save() {
+        string tmp;
         backend->set("statistics_games_started", stringify(games_started));
         backend->set("statistics_games_finished", stringify(games_finished));
+
+        tmp = "";
+        for (vector<int>::iterator iter = score_distribution.begin();
+                iter != score_distribution.end(); iter++) {
+                tmp += stringify(*iter) + ",";
+        }
+        //delete trailing comma
+        tmp = tmp.substr(0, tmp.size()-1);
+        backend->set("statistics_score_distribution", tmp);
 
         backend->save();
@@ -60 +91 @@
 
 void Statistics::reset() {
-        backend->set("statistics_games_started", 0);
-        backend->set("statistics_games_finished", 0);
+        games_started = 0;
+        games_finished = 0;
 
-        backend->save();
+        score_distribution = vector<int>(score_distributions_slots, 0);
+        
+        save();
 }

trunk/src/statistics.h

@@ -23 +23 @@
 
 #include "configuration.h"
+#include <vector> 
 namespace statistics {
 
@@ -52 +53 @@
         int games_started;
         int games_finished;
+        std::vector<int> score_distribution;
         configuration::Configuration *backend;
 };
+
+const int score_distribution_granuality = 50;
+// anything above the following score will be in the same slot
+const int score_distribution_max = 500;
+const int score_distributions_slots = score_distribution_max/score_distribution_granuality+1;
 
 } //namespace