converting to c

include/engine.h

@@ -0,0 +1,62 @@
+#ifndef ENGINE_HPP
+#define ENGINE_HPP
+
+#include <stddef.h>
+#define ROW 15
+#define COL 21
+
+typedef enum
+{
+	UP,
+	DOWN,
+	LEFT,
+	RIGHT
+} Direction;
+
+typedef struct
+{
+	int x, y;
+} vec2;
+
+int
+equals(vec2* a, vec2* b);
+
+void
+set(vec2* vec2, int _x, int _y);
+
+typedef struct
+{
+	unsigned char view[ROW][COL];
+	vec2 head;
+	vec2 fruit;
+	vec2 prev_head;
+	int m_score;
+	Direction dir;
+	vec2* tail[(ROW * COL) - 1];
+	int tail_size;
+
+} Engine;
+
+void
+engine_init(Engine* engine);
+
+void
+engine_display(Engine* engine);
+
+int
+process_input(Direction* dir);
+
+int
+is_open(char* status, size_t len, Engine* engine);
+
+void
+determine_index_zero_pos(Engine* engine);
+
+void
+add_tail_and_respawn_fruit(Engine* engine);
+
+void
+move_tail_indicies(vec2** tail, int tail_size, vec2* prev_head,
+		   unsigned char (*view)[COL]);
+
+#endif