X-Git-Url: https://git.ucc.asn.au/?p=progcomp2013.git;a=blobdiff_plain;f=agents%2Fc%2B%2B%2Fagent.cpp;fp=agents%2Fc%2B%2B%2Fagent.cpp;h=2014f5586f886a4038dfcf4f928e4c7ef77a1898;hp=0000000000000000000000000000000000000000;hb=159708785516e4dd5a1ddceadd1e371f48dd3d23;hpb=c2fbd2e5499e4817c156f9dbabea5215d83729dd

diff --git a/agents/c++/agent.cpp b/agents/c++/agent.cpp
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+++ b/agents/c++/agent.cpp
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+/**
+ * agent++ : A Sample agent for UCC::Progcomp2013
+ * @file agent.cpp
+ * @purpose Definition of Agent class
+ */
+
+#include "agent.h"
+#include <cassert> // for sanity checks
+
+using namespace std;
+
+/**
+ * @constructor Agent
+ * @param new_colour - colour of the Agent
+ */
+Agent::Agent(const string & new_colour) : colour(Piece::str2colour(new_colour)), board(), selected(NULL)
+{
+
+}
+
+/**
+ * @destructor ~Agent
+ */
+Agent::~Agent()
+{
+
+}
+
+/**
+ * @funct Select
+ * @purpose Selects a piece at random
+ * @returns Square containing the selected piece
+ */
+Square & Agent::Select()
+{
+	vector<Piece*> & v = board.pieces(colour); // get pieces
+	int choice = rand() % v.size(); // pick random index
+	Piece * p = v[choice]; // get piece at the index
+	assert(p->colour == colour);
+	selected = p; // update selected
+	//cerr << "Selected " << p->x << "," << p->y << " [" << p->types[0] << "," << p->types[1] << "]\n";
+	return board.square(p->x, p->y); // get Square from board
+}
+
+/**
+ * @funct Move
+ * @purpose Pick a square to move a selected piece into
+ * @returns Square to move last selected piece into
+ */
+Square & Agent::Move()
+{
+	assert(selected != NULL);
+	vector<Square*> moves; // all possible moves for selected piece
+	board.Get_moves(selected, moves); // populate possible moves
+	assert(moves.size() > 0); 
+	int choice = rand() % moves.size(); // pick random index
+	return *(moves[choice]); // return that move
+}
+
+/**
+ * @funct Run
+ * @purpose The "Game Loop" for the agent; read commands and call appropriate function to make responses
+ * @param in - Stream to read input from (use std::cin)
+ * @param out - Stream to write output to (use std::cout)
+ */
+void Agent::Run(istream & in, ostream & out)
+{
+	string cmd; // buffer for tokens
+	while (in.good())
+	{
+		in >> cmd; // read first token only
+		if (cmd == "QUIT")
+		{
+			break;
+		}
+		else if (cmd == "SELECTION?")
+		{
+			Square & s = Select(); // get selection
+			out << s.x << " " << s.y  << "\n"; // return response through output
+		}
+		else if (cmd == "MOVE?")
+		{
+			Square & s = Move(); // get move
+			out << s.x << " " << s.y << "\n"; // return response through output
+		}
+		else
+		{
+			// There were multiple tokens...
+			stringstream s(cmd);
+			int x; int y;
+			s >> x; // Convert first token (in cmd) to an int
+			in >> y; // Read second token from in
+			
+			in >> cmd; // Read third token
+			
+			if (cmd == "->") // Token indicates a move was made
+			{
+				int x2; int y2; // remaining two tokens indicate destination
+				in >> x2; in >> y2;
+				board.Update_move(x, y, x2, y2); // update the board
+			}
+			else
+			{
+				// Tokens are for a selection
+				int index; stringstream s2(cmd); 
+				s2 >> index; // convert third token to an index
+				in >> cmd; // Read fourth token - the new type of the piece
+				board.Update_select(x, y, index, cmd); // update the board
+			}
+			
+		}
+	}
+}