refactor: adjust the project infra. (#1)

* refactor: adjust the project infra.

This patch adds cmake build system to the project, and adjust infrastructure
stuff.
Signed-off-by: Jun Zhang <jun@junz.org>

* fix: remove compiler flags that only exist in GCC.

Signed-off-by: Jun Zhang <jun@junz.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/src/level.h b/src/level.h
new file mode 100644
index 0000000..0ffdac2
--- /dev/null
+++ b/src/level.h
@@ -0,0 +1,28 @@
+#pragma once
+
+#include <cstdint>
+#include <cstring>
+
+class Level {
+public:
+	Level(int width, int height);
+	~Level() { delete[] m_tiles; }
+
+	uint8_t get(int x, int y);
+	void set(int x, int y, uint8_t tile);
+	bool inBounds(int x, int y) { return x >= 0 && x < m_width && y >= 0 && y < m_height; }
+private:
+	int m_width, m_height;
+	uint8_t* m_tiles;
+};
+
+enum RailDirection {
+	NorthSouth = 1,
+	EastWest,
+	SouthEast,
+	SouthWest,
+	NorthWest,
+	NorthEast,
+};
+
+RailDirection ChooseDirection(Level& level, int x, int y);
\ No newline at end of file