[ScryMUD] SVN Commit Info r746 - trunk/mud/grrmud/server

[scrymud at wanfear.com]

Author: gingon
Date: 2004-12-11 00:36:23 -0800 (Sat, 11 Dec 2004)
New Revision: 746

Modified:
   trunk/mud/grrmud/server/misc2.cc
   trunk/mud/grrmud/server/misc2.h
Log:
added a simple distributed probability matrix class,
only supports single dimension probabilities.



Modified: trunk/mud/grrmud/server/misc2.cc
===================================================================
--- trunk/mud/grrmud/server/misc2.cc	2004-12-11 02:54:37 UTC (rev 745)
+++ trunk/mud/grrmud/server/misc2.cc	2004-12-11 08:36:23 UTC (rev 746)
@@ -2181,3 +2181,35 @@
     return rm;
     
 }
+
+
+
+void DistProbMatrix::add(int value, unsigned int weight){
+	int* tmp = NULL;
+	unsigned int tmp_size = 0;
+	unsigned int i = 0;
+
+	tmp_size = weight + size;
+	tmp = new int[tmp_size];
+
+	if(size != 0){
+		while(i < size){
+			tmp[i] = matrix[i];
+			++i;
+		}
+		delete matrix;
+	}
+
+	while(i < tmp_size){
+		tmp[i] = value;
+		++i;
+	}
+ 
+	matrix = tmp;
+	size = tmp_size;
+}	
+
+int DistProbMatrix::get(){
+	return matrix[(rand() % size)-1];
+}
+		  

Modified: trunk/mud/grrmud/server/misc2.h
===================================================================
--- trunk/mud/grrmud/server/misc2.h	2004-12-11 02:54:37 UTC (rev 745)
+++ trunk/mud/grrmud/server/misc2.h	2004-12-11 08:36:23 UTC (rev 746)
@@ -174,4 +174,21 @@
 door* get_target_door(int i_th, const String* target, critter& pc);
 room* get_target_room(critter& pc);
 
+//distributed probability matrix code
+//only handles single dimension probability matrices
+//multidimension would be nice though...
+class DistProbMatrix {
+private:
+   int* matrix; //stores pointer to probability matrix
+   unsigned int size; // can only support MAX_INT entries
+public:
+   void add(int size, unsigned int weight);
+   int get();
+	
+   DistProbMatrix(){size = 0;matrix = NULL;}
+   ~DistProbMatrix(){delete matrix;}
+};																					 
+
+
+
 #endif