1 files changed, 61 insertions, 0 deletions
diff --git a/clld.h b/clld.h
new file mode 100644
index 0000000..88676b1
--- /dev/null
+++ b/clld.h
@@ -0,0 +1,61 @@
+#include <stdint.h>
+
+enum {THM, AABB};
+
+struct pos {
+	int x;
+	int y;
+	int z;
+	double fx;
+	double fy;
+	double fz;
+};
+
+struct colis {
+	/* Cursor/Floor's width, and height */
+	int w;
+	int h;
+
+	/* Cursor's X, and Y velocity. */
+	double xvel;
+	double yvel;
+
+	/* Cursor/Floor's coordinates. */
+	struct pos pos;
+
+	/* The four corners of either the Cursor, or the Floor. */
+	int a1;
+	int a2;
+	int b1;
+	int b2;
+
+	/* The four floating point corners of either the Cursor, or the Floor. */
+	double c1;
+	double c2;
+	double d1;
+	double d2;
+
+	/* Heightmap, used in Tile Heightmap collision. */
+	uint8_t *heightmap;
+
+	/* X axis collision. */
+	unsigned int clx : 1;
+
+	/* Y axis collision. */
+	unsigned int cly : 1;
+
+	/* Cursor is on the ground. */
+	unsigned int gnded : 1;
+
+	/* Vertical flip flag. */
+	unsigned int flp : 1;
+};
+
+/* Tile Heightmap Collision. */
+extern void thm(int hmpeak, struct colis *cursor, struct colis *floor);
+/* Floating point Tile Heightmap Collision. */
+extern void fthm(int hmpeak, struct colis *cursor, struct colis *floor);
+/* Axis Aligned Bounding Box Collision. */
+extern void aabb(struct colis *cursor, struct colis *floor);
+/* Floating point Axis Aligned Bounding Box Collision. */
+extern void faabb(struct colis *cursor, struct colis *floor);