From 8a4c517039cfc67d30946f23b06ad1b19d0b6166 Mon Sep 17 00:00:00 2001
From: Metin Ozyildirim <metinozyildirim@trakya.edu.tr>
Date: Tue, 7 May 2019 15:02:08 +0000
Subject: [PATCH] Revert "Fixed some possible bugs for big endian systems."

This reverts commit 7fdf6c9445dc2d997174eff4fbef8fd58669366c.
Compatibility for big endian systems dropped since it requires non-standart endian.h file.
---
 include/stl.h |  1 +
 src/stl.c     | 35 ++++-------------------------------
 2 files changed, 5 insertions(+), 31 deletions(-)

diff --git a/include/stl.h b/include/stl.h
index be0fbe5..8f8da47 100644
--- a/include/stl.h
+++ b/include/stl.h
@@ -6,6 +6,7 @@
 typedef struct Triangle{
     V3f normal;
     V3f points[3];
+    uint16_t attrByteCount;
 }Triangle;
 
 typedef struct STLFile{
diff --git a/src/stl.c b/src/stl.c
index 921765c..c34cfc5 100644
--- a/src/stl.c
+++ b/src/stl.c
@@ -2,9 +2,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <assert.h>
-#include <endian.h>
-// Endian.h is platform dependent and unnecessary in modern desktop
-// cpus. Will be replaced with a possible macro in the future.
+
 
 STLFile loadSTL(const char* filename){
     STLFile stl;
@@ -15,7 +13,6 @@ STLFile loadSTL(const char* filename){
     }
 
     fread(stl.header, sizeof(stl.header), 1, fd);
-
     fread(&stl.numTriangles, sizeof(stl.numTriangles), 1, fd);
     stl.numTriangles = le32toh(stl.numTriangles);
 
@@ -23,34 +20,10 @@ STLFile loadSTL(const char* filename){
 
     stl.triangle = malloc(sizeof(Triangle) * stl.numTriangles);
     for (int triangleId = 0; triangleId < stl.numTriangles; triangleId++){
-        stl.triangle[triangleId] = (Triangle){};
-        fread(&stl.triangle[triangleId].normal.x, sizeof(float), 1, fd);
-        stl.triangle[triangleId].normal.x = le32toh(stl.triangle[triangleId].normal.x);
-
-        fread(&stl.triangle[triangleId].normal.y, sizeof(float), 1, fd);
-        stl.triangle[triangleId].normal.y = le32toh(stl.triangle[triangleId].normal.y);
-
-        fread(&stl.triangle[triangleId].normal.z, sizeof(float), 1, fd);
-        stl.triangle[triangleId].normal.z = le32toh(stl.triangle[triangleId].normal.z);
-
-        for(int pointId = 0; pointId < 3; pointId++){
-            fread(&stl.triangle[triangleId].points[pointId].x, sizeof(float), 1, fd);
-            stl.triangle[triangleId].points[pointId].x = le32toh(stl.triangle[triangleId].points[pointId].x);
-    
-            fread(&stl.triangle[triangleId].points[pointId].y, sizeof(float), 1, fd);
-            stl.triangle[triangleId].points[pointId].y = le32toh(stl.triangle[triangleId].points[pointId].y);
-
-            fread(&stl.triangle[triangleId].points[pointId].z, sizeof(float), 1, fd);
-            stl.triangle[triangleId].points[pointId].z = le32toh(stl.triangle[triangleId].points[pointId].z);
-        }
-
+        fread(&stl.triangle[triangleId].normal, sizeof(V3f), 1, fd);
+        fread(&stl.triangle[triangleId].points, sizeof(V3f), 3, fd);
+        fread(&stl.triangle[triangleId].attrByteCount, sizeof(uint16_t), 1, fd);
         //printf ("%d: Normal: %f, %f, %f Points: %f, %f, %f\n", triangleId, stl.triangle[triangleId].normal.x,stl.triangle[triangleId].normal.y,stl.triangle[triangleId].normal.z, stl.triangle[triangleId].points[0].x,stl.triangle[triangleId].points[0].y,stl.triangle[triangleId].points[0].z);
-
-        // Skip attribute data.
-        uint16_t attrByteCount;
-        fread(&attrByteCount, sizeof(uint16_t), 1, fd);
-        attrByteCount = le16toh(attrByteCount);
-        fseek ( fd , attrByteCount , SEEK_CUR );
     }
     return stl;
 }
\ No newline at end of file