libultra cleanup (#215)

* cleanup libultra

* fixes

- use quotes instead of <> for includes
- add macros for zelda specific thread priorities
- fix Makefile
- properly format the remaining pfs structs

* fix button macros + add CHECK_BTN_ANY/CHECK_BTN_ALL

* remove ULTRA_ABS

* fix includes

* update z_player.c/z_lib.c + run format.sh

* merge upstream/master

* fix include in En_Goroiwa

* fix includes

1 files changed, 50 insertions, 0 deletions

diff --git a/src/libultra_code_O2/rotate.c b/src/libultra_code_O2/rotate.c
new file mode 100644
index 000000000..a3fd9b978
--- /dev/null
+++ b/src/libultra_code_O2/rotate.c
@@ -0,0 +1,50 @@
+#include "global.h"
+
+void guRotateF(f32 m[4][4], f32 a, f32 x, f32 y, f32 z) {
+    static f32 D_80134D10 = M_PI / 180.0f;
+    f32 sine;
+    f32 cosine;
+    f32 ab;
+    f32 bc;
+    f32 ca;
+    f32 t;
+    f32 xs;
+    f32 ys;
+    f32 zs;
+
+    guNormalize(&x, &y, &z);
+
+    a = a * D_80134D10;
+
+    sine = sinf(a);
+    cosine = cosf(a);
+
+    ab = x * y * (1 - cosine);
+    bc = y * z * (1 - cosine);
+    ca = z * x * (1 - cosine);
+
+    guMtxIdentF(m);
+
+    xs = x * sine;
+    ys = y * sine;
+    zs = z * sine;
+
+    t = x * x;
+    m[0][0] = (1 - t) * cosine + t;
+    m[2][1] = bc - xs;
+    m[1][2] = bc + xs;
+    t = y * y;
+    m[1][1] = (1 - t) * cosine + t;
+    m[2][0] = ca + ys;
+    m[0][2] = ca - ys;
+    t = z * z;
+    m[2][2] = (1 - t) * cosine + t;
+    m[1][0] = ab - zs;
+    m[0][1] = ab + zs;
+}
+
+void guRotate(Mtx* m, f32 a, f32 x, f32 y, f32 z) {
+    f32 mf[4][4];
+    guRotateF(mf, a, x, y, z);
+    guMtxF2L(mf, m);
+}