Initial commit, some logic added

source/line.cpp

@@ -0,0 +1,47 @@
+#include "line.h"
+
+Line::Line() {
+    this->line.clear();
+    this->line.reserve(4);
+}
+
+Line::Line(size_t length) {
+    this->line.clear();
+    this->line.reserve(length);
+}
+
+void Line::processLine() {
+    std::vector<Tile> result;
+    Tile pending = 0;
+    bool hasPending = false;
+    
+    for (Tile element : this->line) {
+        if (element == 0) continue;
+        
+        if (!hasPending) {
+            pending = element;
+            hasPending = true;
+            continue;
+        }
+        
+        if (element == pending) {
+            result.push_back(pending * 2);
+            this->score += pending * 2;
+            hasPending = false;
+            pending = 0;
+        } else {
+            result.push_back(pending);
+            pending = element;
+        }
+    }
+    
+    if (hasPending) {
+        result.push_back(pending);
+    }
+    
+    while (result.size() < sourceLine.size()) {
+        result.push_back(0);
+    }
+    
+    return result;
+}