From fc81e8d7ccf8d155045e19de13a461a45a9b600e Mon Sep 17 00:00:00 2001
From: Max <mparisi@stevens.edu>
Date: Thu, 12 Nov 2020 11:17:50 -0500
Subject: add math.h header, and fix one regswap in func_801DEA3C

---
 include/SDK/mtx.h | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 59 insertions(+), 2 deletions(-)

(limited to 'include/SDK')

diff --git a/include/SDK/mtx.h b/include/SDK/mtx.h
index 07840fc..9bff30f 100644
--- a/include/SDK/mtx.h
+++ b/include/SDK/mtx.h
@@ -8,8 +8,65 @@ extern "C" {
 typedef float Mtx[3][4];
 typedef float Mtx44[4][4];
 
-typedef float (*MtxPtr)[4];
-#define MTX_PTR_OFFSET 3
+typedef struct
+{
+    float x;
+    float y;
+    float z;
+} Vec, Point3d;
+
+typedef struct Quaternion
+{
+    float x;
+    float y;
+    float z;
+    float w;
+} Quaternion;
+
+void PSMTXTranspose(const Mtx src, Mtx xPose);
+#define MTXTranspose PSMTXTranspose
+
+void PSMTXCopy(const Mtx src, Mtx dest);
+#define MTXCopy PSMTXCopy
+
+void C_MTXLookAt(Mtx m, const Point3d* camPos, const Vec* camUp, const Point3d* target);
+#define MTXLookAt C_MTXLookAt
+
+void PSVECAdd(const Vec* a, const Vec* b, Vec* ab);
+#define VECAdd PSVECAdd
+
+void PSMTXMultVecSR(const Mtx m, const Vec* src, Vec* dest);
+#define MTXMultVecSR PSMTXMultVecSR
+
+void PSMTXMultVec(const Mtx m, const Vec* src, Vec* dest);
+#define MTXMultVec PSMTXMultVec
+
+u32 PSMTXInverse(const Mtx src, Mtx inv);
+#define MTXInverse PSMTXInverse
+
+void PSVECCrossProduct(const Vec* a, const Vec* b, Vec* axb);
+void PSVECNormalize(const Vec* src, Vec* unit);
+void PSVECSubtract(const Vec* a, const Vec* b, Vec* a_b);
+
+
+
+
+#define MTXConcat PSMTXConcat  
+void PSMTXConcat(const Mtx a, const Mtx b, Mtx ab);
+
+#define MTXQuat PSMTXQuat
+void PSMTXQuat(Mtx m, const Quaternion* q);
+
+#define QUATRotAxisRad C_QUATRotAxisRad
+void C_QUATRotAxisRad(Quaternion* r, const Vec* axis, float rad);
+
+void PSMTXScale(Mtx m, float xS, float yS, float zS);
+
+
+
+#define VECSubtract PSVECSubtract
+#define VECCrossProduct PSVECCrossProduct
+#define VECNormalize PSVECNormalize
 
 
 #define MTXIdentity PSMTXIdentity
-- 
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