Updated GUI library

code/lib/array.h

@@ -0,0 +1,77 @@
+#ifndef _PIUMA_LIB_ARRAY_H_
+#define _PIUMA_LIB_ARRAY_H_
+
+#include "types.h"
+#include "math.h"
+#include <assert.h>
+
+template<typename T>
+struct Array
+{
+	T *data = NULL;
+	u64 count = 0;
+	u64 capacity = 0;
+
+	inline void reserve(u64 new_capacity = 4)
+	{
+		new_capacity = maximum(new_capacity, count);
+		if(new_capacity > capacity)
+		{
+			data = (T*)realloc(data, sizeof(T) * new_capacity);
+			capacity = new_capacity;
+		}
+	}
+
+	inline void clear()
+	{
+		count = 0;
+	}
+
+	inline void reset()
+	{
+		free(data);
+		data = NULL;
+		count = 0;
+		capacity = 0;
+	}
+
+	inline void push(T element)
+	{
+		if(count + 1 >= capacity)
+			reserve(maximum(count + 1, capacity * 2));
+		data[count++] = element;
+	}
+
+	inline void push_unchecked(T element)
+	{
+		data[count++] = element;
+	}
+
+	inline bool pop(T *element = NULL)
+	{
+		if(count <= 0)
+			return false;
+		count--;
+		if(element) *element = data[count];
+		return true;
+	}
+
+	inline T pop_unchecked()
+	{
+		return data[--count];
+	}
+
+	inline T &operator[](u64 index)
+	{
+		return data[index];
+	}
+
+	inline T &last()
+	{
+		return data[count - 1];
+	}
+};
+
+
+
+#endif