Added inputSystem

src/input/InputHandler.cpp

@@ -0,0 +1,48 @@
+#include <cstddef>
+
+#include "InputHandler.h"
+
+InputHandler::InputHandler() {
+  Command* com = new TestCommand();
+  buttonW = com;
+  buttonA = com;
+  buttonS = com;
+  buttonD = com;
+}
+
+Command* InputHandler::handleInput() {
+  if(cur == commandStream.size()) {
+    return NULL;
+  }
+  return commandStream[cur++];
+}
+
+void InputHandler::inputEvent(SDL_Event *e) {
+  switch(e->key.keysym.sym) {
+    case SDLK_w:
+                commandStream.push_back(buttonW);
+                break;
+
+    case SDLK_a:
+                commandStream.push_back(buttonA);
+                break;
+
+    case SDLK_s:
+                commandStream.push_back(buttonS);
+                break;
+
+    case SDLK_d:
+                commandStream.push_back(buttonD);
+                break;
+    default:
+            break;
+  }
+
+}
+
+InputHandler::~InputHandler() {
+  delete buttonW;
+  /*delete buttonA;
+  delete buttonS;
+  delete buttonD;*/
+}