link m_olib

include/libc/math.h

@@ -5,6 +5,8 @@
 
 #define SQRT_OF_2_F 1.41421356237309504880f
 
+#define M_PI 3.14159265358979323846f
+
 s16 sins(u16);
 
 f32 fatan2(f32, f32);

include/libu64/u64types.h

@@ -3,10 +3,6 @@
 
 #include "types.h"
 
-typedef struct xyz_s {
-  f32 x, y, z;
-} xyz_t;
-
 typedef struct {
   u32 r:8;
   u32 g:8;

include/m_olib.h

@@ -3,10 +3,20 @@
 
 #include "types.h"
 #include "libu64/u64types.h"
+#include "m_lib.h"
+#include "libc/math.h"
+
+//gotta put these somewhere else
+#define TRUNCF_BINANG(f) (s16)(s32)(f)
+#define CAM_DEG_TO_BINANG(degrees) (s16)TRUNCF_BINANG((degrees) * 182.04167f + .5f)
+#define RAD_TO_DEG(radians) ((radians) * (180.0f / M_PI))
 
 typedef struct rect_s {
   int top, bottom;
   int l, r;
 } rect;
 
+void radianxy_by_2pos(xyz_t* dest, xyz_t* sub, xyz_t* min);
+s_xyz sanglexy_by_2pos(xyz_t* sub, xyz_t* min); 
+
 #endif