From 2e6ecf423c8228ac8de4badf4fc2d037a876b7ff Mon Sep 17 00:00:00 2001
From: Justin Worthe <justin.worthe@gmail.com>
Date: Sat, 1 Aug 2015 22:50:00 +0200
Subject: Reading network from file

---
 src/spacebot.cpp | 28 ++++++++++++++++++----------
 1 file changed, 18 insertions(+), 10 deletions(-)

(limited to 'src/spacebot.cpp')

diff --git a/src/spacebot.cpp b/src/spacebot.cpp
index 5f87df9..1f8f2b8 100644
--- a/src/spacebot.cpp
+++ b/src/spacebot.cpp
@@ -1,11 +1,12 @@
 #include "spacebot.h"
 #include "move_string_mapper.h"
-#include <random>
+#include "brain/neural_network.h"
 #include <fstream>
 
 Spacebot::Spacebot(std::string outputPath)
-    : outputFilename(outputPath+"/move.txt"),
-      gameState(std::ifstream(outputPath+"/map.txt"))
+    : _outputFilename(outputPath+"/move.txt"),
+      _networkConfigFilename("brain.nn"),
+      _gameState(std::ifstream(outputPath+"/map.txt"))
 {
 }
 
@@ -17,17 +18,24 @@ void Spacebot::writeNextMove()
 
 Move Spacebot::chooseMove()
 {
-    int min = static_cast<int>(Move::NOTHING);
-    int max = static_cast<int>(Move::BUILD_SHIELD);
-    std::random_device rd;
-    std::mt19937 gen(rd());
-    std::uniform_int_distribution<int> dis(min, max);
-    return static_cast<Move>(dis(gen));
+    auto sensorInputs = _gameState.toBitArray();
+    
+    NeuralNetwork network(std::ifstream(_networkConfigFilename),
+			  sensorInputs.size(),
+			  static_cast<int>(Move::BUILD_SHIELD));
+
+    for (int i=0; i<sensorInputs.size(); ++i)
+    {
+	network.setInput(i, sensorInputs[i] ? 1 : 0);
+    }
+
+    int moveInt = network.findMaxOutputIndex();
+    return static_cast<Move>(moveInt);
 }
 
 void Spacebot::writeMove(const Move& move)
 {
-    std::ofstream resultStream(outputFilename);
+    std::ofstream resultStream(_outputFilename);
     resultStream << MoveStringMapper().toString(move) << std::endl;
     return;
 }
-- 
cgit v1.2.3