use vertex buffers

src/framework/util/databuffer.h

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2010-2011 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef DATABUFFER_H
+#define DATABUFFER_H
+
+template<class T>
+class DataBuffer
+{
+public:
+    DataBuffer(int res = 64) {
+        m_capacity = res;
+        m_buffer = new T[m_capacity];
+        m_size = 0;
+    }
+    ~DataBuffer() { delete[] m_buffer; }
+
+    inline void reset() { m_size = 0; }
+    inline bool isEmpty() const { return m_size == 0; }
+
+    inline int size() const { return m_size; }
+    inline T *data() const { return m_buffer; }
+
+    inline const T& at(int i) const { return m_buffer[i]; }
+    inline const T& last() const { return m_buffer[m_size-1]; }
+    inline const T& first() const { return m_buffer[0]; }
+    inline const T& operator[](int i) const { return m_buffer[i]; }
+    inline T& operator[](int i) { return m_buffer[i]; }
+
+    inline void add(const T &t) {
+        if(m_size >= m_capacity) {
+            m_capacity *= 2;
+            T *buffer = new T[m_capacity];
+            for(int i=0;i<m_size;++i)
+                buffer[i] = m_buffer[i];
+            delete[] m_buffer;
+            m_buffer = buffer;
+        }
+        m_buffer[m_size++] = t;
+    }
+
+    inline DataBuffer &operator<<(const T &t) { add(t); return *this; }
+
+private:
+    int m_size;
+    int m_capacity;
+    T *m_buffer;
+};
+
+#endif