Diff: Bug.cpp

Revision:

0:fc1335b7b54f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Bug.cpp	Mon Dec 23 18:56:56 2019 +0000
@@ -0,0 +1,207 @@
+//
+//  Bug.cpp
+//  INHERITANCE_AND_POLYMORPHISM
+//
+//  Created by Kristjan Thorsteinsson on 01/04/14.
+//  Copyright (c) 2014 Kristjan Thorsteinsson. All rights reserved.
+//
+
+#include "Bug.h"
+#include "Organism.h"
+using namespace std;
+
+Bug::Bug(World* aWorld, int xcoord, int ycoord) : Organism(aWorld, xcoord, ycoord)
+{
+  starveTicks = 0;
+}
+
+
+void Bug::move()
+{
+  breedTicks++;
+  starveTicks++;
+
+#if 1
+  // find an edible nabor
+  for (int i = 0; i < NABORS; i++) {
+    switch (nabors[i]) {
+      case 0:
+        if (world->getAt(x, y + 1) != NULL)
+        {
+          if (world->getAt(x, y + 1)->getType() == ANT)
+          {
+            starveTicks = 0;
+            delete world->getAt(x, y + 1);
+            movesTo(x, y + 1);
+            return;
+          }
+        }
+        break;
+
+      case 1:
+        if (world->getAt(x, y - 1) != NULL)
+        {
+          if (world->getAt(x, y - 1)->getType() == ANT)
+          {
+            starveTicks = 0;
+            delete world->getAt(x, y - 1);
+            movesTo(x, y - 1);
+            return;
+          }
+        }
+        break;
+
+      case 2:
+        if (world->getAt(x - 1, y) != NULL)
+        {
+          if (world->getAt(x - 1, y)->getType() == ANT)
+          {
+            starveTicks = 0;
+            delete world->getAt(x - 1, y);
+            movesTo(x - 1, y);
+            return;
+          }
+        }
+        break;
+
+      case 3:
+        if (world->getAt(x + 1, y) != NULL)
+        {
+          if (world->getAt(x + 1, y)->getType() == ANT)
+          {
+            starveTicks = 0;
+            delete world->getAt(x + 1, y);
+            movesTo(x + 1, y);
+            return;
+          }
+        }
+        break;
+
+      default:
+        break;
+    }
+  }   // for nabors
+#else
+
+  if (world->getAt(x, y + 1) != NULL)
+  {
+    if (world->getAt(x, y + 1)->getType() == ANT)
+    {
+      starveTicks = 0;
+      delete world->getAt(x, y + 1);
+      movesTo(x, y + 1);
+      return;
+    }
+  }
+
+  if (world->getAt(x, y - 1) != NULL)
+  {
+    if (world->getAt(x, y - 1)->getType() == ANT)
+    {
+      starveTicks = 0;
+      delete world->getAt(x, y - 1);
+      movesTo(x, y - 1);
+      return;
+    }
+  }
+
+  if (world->getAt(x - 1, y) != NULL)
+  {
+    if (world->getAt(x - 1, y)->getType() == ANT)
+    {
+      starveTicks = 0;
+      delete world->getAt(x - 1, y);
+      movesTo(x - 1, y);
+      return;
+    }
+  }
+  if (world->getAt(x + 1, y) != NULL)
+  {
+    if (world->getAt(x + 1, y)->getType() == ANT)
+    {
+      starveTicks = 0;
+      delete world->getAt(x + 1, y);
+      movesTo(x + 1, y);
+      return;
+    }
+  }
+#endif
+
+  Move mover = world->randomMove();
+  switch (mover) {
+    case UP:
+      if (world->getAt(x, y + 1) == NULL && in_range(x, y + 1))
+      {
+        movesTo(x, y + 1);
+      }
+      break;
+    case DOWN:
+      if (world->getAt(x, y - 1) == NULL && in_range(x, y - 1))
+      {
+        movesTo(x, y - 1);
+      }
+      break;
+    case LEFT:
+      if (world->getAt(x - 1, y) == NULL && in_range(x - 1, y))
+      {
+        movesTo(x - 1, y);
+      }
+      break;
+    case RIGHT:
+      if (world->getAt(x + 1, y) == NULL && in_range(x + 1, y))
+      {
+        movesTo(x + 1, y);
+      }
+      break;
+    default:
+      break;
+  }
+}
+
+void Bug::generateOffspring(int whereX, int whereY)
+{
+  new Bug(this->world, whereX, whereY);
+  breedTicks = 0;
+}
+
+void Bug::breed()
+{
+  if (breedTicks >= BREED_BUGS)
+  {
+    breedAtAdjacentCell();
+  }
+
+}
+
+bool Bug::isDead() const
+{
+  if (starveTicks >= STARVE_BUGS)
+  {
+    return true;
+  }
+  else
+  {
+    return false;
+  }
+}
+
+OrganismType Bug::getType() const
+{
+  return BUG;
+}
+
+
+char Bug::representation()const
+{
+  return 'X';
+}
+
+int Bug::size() const
+{
+  return 30;
+}
+
+bool Bug::in_range(int xx, int yy)
+{
+  return (xx >= 0) && (xx < ROWS) && (yy >= 0) && (yy < COLS);
+}