1 files changed, 104 insertions, 0 deletions
diff --git a/labb4/GameState.cpp b/labb4/GameState.cpp
new file mode 100644
index 0000000..581d2f7
--- /dev/null
+++ b/labb4/GameState.cpp
@@ -0,0 +1,104 @@
+/**
+ * Copyright (C) David Wolfe, 1999.  All rights reserved.
+ * Ported to Qt and adapted for TDDD86, 2015.
+ */
+
+#include "GameState.h"
+#include "utilities.h"
+#include "constants.h"
+
+GameState::GameState(){}
+
+GameState::GameState(int numberOfRobots) {
+    for (int i = 0; i < numberOfRobots; i++) {
+        Robot robot;
+        do {robot = Robot();}
+        while (!isEmpty (robot));
+        robots.push_back(robot);
+    }
+    teleportHero();
+}
+
+void GameState::draw(QGraphicsScene *scene) const {
+    scene->clear();
+    for (size_t i = 0; i < robots.size(); ++i)
+        robots[i].draw(scene);
+    for (size_t i = 0; i < junks.size(); ++i)
+        junks[i].draw(scene);
+    hero.draw(scene);
+}
+
+void GameState::teleportHero() {
+    do hero.teleport();
+    while (!isEmpty(hero));
+}
+
+void GameState::moveRobots() {
+    for (unsigned int i = 0; i < robots.size(); i++)
+        robots[i].moveTowards (hero);
+}
+
+int GameState::countCollisions() {
+    int numberDestroyed = 0;
+    unsigned int i = 0;
+    while (i < robots.size()) {
+        bool hitJunk = junkAt (robots[i]);
+        bool collision = (countRobotsAt (robots[i]) > 1);
+        if (hitJunk || collision) {
+            if (!hitJunk) junks.push_back (Junk(robots[i]));
+            robots[i] = robots[robots.size()-1];
+            robots.pop_back();
+            numberDestroyed++;
+        } else i++;
+    }
+    return numberDestroyed;
+}
+
+bool GameState::anyRobotsLeft() const {
+    return (robots.size() != 0);
+}
+
+bool GameState::heroDead() const {
+    return !isEmpty(hero);
+}
+
+bool GameState::isSafe(const Unit& unit) const {
+    for (unsigned int i = 0; i < robots.size(); i++)
+        if (robots[i].attacks(unit)) return false;
+    if (junkAt(unit)) return false;
+    return true;
+}
+
+void GameState::moveHeroTowards(const Unit& dir) {
+    hero.moveTowards(dir);
+}
+
+Hero GameState::getHero() const {return hero;}
+
+/*
+ * Free of robots and junk only
+ */
+bool GameState::isEmpty(const Unit& unit) const {
+    return (countRobotsAt(unit) == 0 && !junkAt(unit));
+}
+
+/*
+ * Is there junk at unit?
+ */
+bool GameState::junkAt(const Unit& unit) const {
+    for (size_t i = 0; i < junks.size(); ++i)
+        if (junks[i].at(unit)) return true;
+    return false;
+}
+
+/*
+ * How many robots are there at unit?
+ */
+int GameState::countRobotsAt(const Unit& unit) const {
+    int count = 0;
+    for (size_t i = 0; i < robots.size(); ++i) {
+        if (robots[i].at(unit))
+            count++;
+    }
+    return count;
+}