1 files changed, 71 insertions, 0 deletions
diff --git a/src/snake_utils.h b/src/snake_utils.h
new file mode 100644
index 0000000..d48dbf3
--- /dev/null
+++ b/src/snake_utils.h
@@ -0,0 +1,71 @@
+#pragma once
+
+#include "program_data.h"
+
+enum SNAKE_DIRECTIONS {
+	SNAKE_STILL,
+	SNAKE_RIGHT,
+	SNAKE_LEFT,
+	SNAKE_UP,
+	SNAKE_DOWN
+};
+
+typedef unsigned char SNAKE_DIR;
+
+enum SNAKE_PARTS {
+	SNAKE_HEAD,
+	SNAKE_BODY,
+	SNAKE_TAIL
+};
+
+typedef unsigned char SNAKE_PART;
+
+struct SnakeBlock {
+	SNAKE_PART part;
+	SNAKE_DIR current_direction;
+	int x, y;
+};
+
+// Please dont sue.  Its open source software.
+enum SNACKS_TYPES {
+	REMY_THE_RAT = 0, // From a movie about a rat that cooks which is kind of gross
+				  // when you think about it.
+	FRIENDLY_FROG = 1, // Something I made up.
+	EASTER_BUNNY = 2, // Hopefully not copyrighted.  If so my childhood was a lie
+				  // )---:
+	GIDGET_THE_POMERANIAN = 3, // A dogo in a movie made for a generation of childen
+						   // that cant sit through an entire movie.
+	CHILD_PERSON = 4, // What the hell is a child person?
+	BIG_BIRD = 5 // A big fat bird that hants peoples nightmears.
+};
+
+#define SNACK_COUNT 5
+
+// You can put your lawers away now, Chairen (I most like messspeld 'Chairen'
+// but thats ok because I am a Utard).
+
+typedef unsigned char SNACK_TYPE;
+
+struct SnakeSnack {
+	SNACK_TYPE type;
+	int x, y; // Tile position on snake map.
+};
+
+bool snake_blocks_hit(int tile_size, SnakeBlock b1, SnakeBlock b2);
+bool snake_block_eat_snack(int tile_size, const Fl_Group * snake_map, SnakeBlock snake_block, SnakeSnack snack);
+
+int put_snake_blocks_side_by_side(int tile_size, SnakeBlock * b1, SnakeBlock b2);
+
+int random_range(int x, int y);
+
+// Drawing.
+void draw_snake_block(MainData * mdata, SnakeBlock snake_block);
+void draw_snake(MainData * mdata, std::vector<SnakeBlock> snake_blocks);
+
+// 'Fl_Group * snake_map' is just the SnakeMap.
+void draw_snack(MainData * mdata, const Fl_Group * snake_map, SnakeSnack snack);
+
+int str_to_int(const char * str, size_t n, int * int_value);
+int char_to_int(char c);
+
+void set_snack_images_to_tile_size(MainData * mdata);