Diff: Organism.cpp

Revision:

0:fc1335b7b54f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Organism.cpp	Mon Dec 23 18:56:56 2019 +0000
@@ -0,0 +1,104 @@
+//#include <iostream>
+#include "Organism.h"
+#include "World.h"
+
+// Create an organism at the given coordinates in the given world.
+Organism::Organism(World* aWorld, int xcoord, int ycoord) {
+  world = aWorld;
+  x = xcoord;
+  y = ycoord;
+  breedTicks = 0;
+  moved = false;
+  world->setAt(x, y, this);
+}
+
+// flags the organism as moved or not
+void Organism::setMoved(bool hasMoved) {
+  moved = hasMoved;
+}
+
+// has the organism moved or not?
+bool Organism::hasMoved() const {
+  return moved;
+}
+
+// moves the organism from coordinates (x,y) to (xNew,yNew)
+void Organism::movesTo(int xNew, int yNew) {
+
+  world->setAt(xNew, yNew, world->getAt(x, y));
+
+  world->setAt(x, y, NULL);
+
+  x = xNew;
+  y = yNew;
+
+  world->getAt(x, y)->setMoved(true);
+}
+
+// Breeds an organism at an adjacent cell. This method calls the
+// generateOffspring() method.
+void Organism::breedAtAdjacentCell()  {
+#if 1
+  // find empty nabor for breeding
+  for (int i = 0; i < NABORS; i++) {
+    switch (nabors[i]) {
+      case 0:
+        if ((world->getAt(x, y + 1) == NULL) && in_range(x, y + 1))
+        {
+          generateOffspring(x, y + 1);
+          return;
+        }
+        break;
+      case 1:
+        if ((world->getAt(x, y - 1) == NULL) && in_range(x, y - 1))
+        {
+          generateOffspring(x, y - 1);
+          return;
+        }
+        break;
+      case 2:
+        if ((world->getAt(x - 1, y) == NULL)  && in_range(x - 1, y))
+        {
+          generateOffspring(x - 1, y);
+          return;
+        }
+      case 3:
+        if ((world->getAt(x + 1, y) == NULL)  && in_range(x + 1, y))
+        {
+          generateOffspring(x + 1, y);
+          return;
+        }
+        break;
+      default:
+        break;
+    }
+  }  // nabor for
+#else
+  if ((world->getAt(x, y + 1) == NULL) && in_range(x, y + 1))
+  {
+    generateOffspring(x, y + 1);
+  }
+  else if ((world->getAt(x, y - 1) == NULL) && in_range(x, y - 1))
+  {
+    generateOffspring(x, y - 1);
+  }
+  else if ((world->getAt(x - 1, y) == NULL)  && in_range(x - 1, y))
+  {
+    generateOffspring(x - 1, y);
+  }
+  else if ((world->getAt(x + 1, y) == NULL)  && in_range(x + 1, y))
+  {
+    generateOffspring(x + 1, y);
+  }
+#endif
+}
+
+
+bool Organism::in_range(int xx, int yy)
+{
+  return (xx >= 0) && (xx < ROWS) && (yy >= 0) && (yy < COLS);
+}
+// Returns true if organism is dead, false otherwise.
+bool Organism::isDead() const {
+  return false;
+}