Link m_lib.c

include/libc/math.h

@@ -8,6 +8,7 @@
 #define M_PI 3.14159265358979323846f
 
 s16 sins(u16);
+s16 coss(u16);
 
 f32 fatan2(f32, f32);
 

include/libultra/libultra.h

@@ -10,6 +10,7 @@
 #include "libultra/os_timer.h"
 #include "libultra/os_thread.h"
 #include "libultra/initialize.h"
+#include "libc/math.h" /* TODO: sins and coss belong in libultra */
 
 #define N64_SCREEN_HEIGHT 240
 #define N64_SCREEN_WIDTH 320

include/sys_math3d.h

@@ -1,5 +1,5 @@
-#ifndef SYS_MATH_H
-#define SYS_MATH_H
+#ifndef SYS_MATH3D_H
+#define SYS_MATH3D_H
 
 #include "types.h"
 #include "m_lib.h"
@@ -8,6 +8,8 @@
 extern "C" {
 #endif
 
+extern f32 Math3DVecLength(xyz_t* vec);
+
 extern xyz_t ZeroVec;
 
 #ifdef __cplusplus

include/sys_matrix.h

@@ -21,8 +21,8 @@ extern void new_Matrix(GAME* game);
 
 extern void Matrix_softcv3_mult(xyz_t* src, s_xyz* dest);
 extern Mtx* _MtxF_to_Mtx(MtxF* src, Mtx* dest);
-
-
+extern void Matrix_mult(MtxF* m, s8 flag);
+extern void Matrix_Position(xyz_t* wpos, xyz_t* screen_pos);
 
 #ifdef __cplusplus
 }