Diff: Tank/TankList.cpp

Revision:

0:c7dd8e13fa95

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Tank/TankList.cpp	Fri May 31 15:13:48 2019 +0000
@@ -0,0 +1,94 @@
+#include "TankList.h"
+
+TankList::TankList(){
+    tankCount = 0;
+    head = 0;
+}
+
+TankList::~TankList(){
+    if (head != 0)
+    {
+        Tank* prev = head;
+        Tank* cur = head;
+        while (cur->getNext() != 0)
+        {
+            cur = cur->getNext();
+            delete prev;
+            prev = cur;
+        }
+        delete cur;
+    }
+}
+
+void TankList::addTank(short pixel, short x, short y, short dir){
+    //add to beginning of the list
+    if (head != 0)
+    {
+        Tank* newTank = new Tank(pixel, x, y, dir);
+        newTank->setNext(head);
+        head = newTank;
+        tankCount++;
+    }
+    // add as the head if the head is empty
+    else
+    {
+        head = new Tank(pixel, x, y, dir);
+        tankCount++;
+    }
+}
+
+void TankList::removeCollisions(){
+    Tank* cur = head->getNext();
+    Tank* prev = head;
+    Tank* temp;
+    
+    if(head != 0){
+        //check excluding head
+        while(cur != 0){
+            if(cur->willBeRemoved()){
+                temp = cur->getNext();
+                delete cur;
+                cur = 0;
+                cur = temp;
+                prev->setNext(cur);
+            }
+            else{
+                prev = cur;
+                cur = cur->getNext();
+            }
+        }
+        //check head
+        if(head->willBeRemoved()){
+            temp = head->getNext();
+            delete head;
+            head = 0;
+            head = temp;
+        }
+    }
+}
+
+void TankList::moveAll(BulletList* blist){
+    Tank* cur = head;
+    Bullet* fired;
+    
+    while(cur != 0){
+        fired = cur->move();
+        if(fired != 0)
+            blist->addBullet(2, fired->x, fired->y, fired->dir);
+        
+        cur = cur->getNext();
+    }
+}
+
+void TankList::checkallBTcollisions(Bullet* listhead){
+    Tank* cur = head;
+    
+    while(cur != 0){
+        cur->checkBTcollisions(listhead);
+        cur = cur->getNext();
+    }
+}
+
+Tank* TankList::getHead(){
+    return head;
+}
\ No newline at end of file