conditional chdir for OS X resources, revert windows Head changes

interface/src/Audio.cpp

@@ -438,7 +438,9 @@ Audio::Audio(Oscilloscope *s, Head *linkedHead)
 {
     // read the walking sound from the raw file and store it
     // in the in memory array
-    FILE *soundFile = fopen("interface.app/Contents/Resources/audio/walking.raw", "r");
+    
+    switchToResourcesIfRequired();
+    FILE *soundFile = fopen("audio/walking.raw", "r");
     
     // get length of file:
     std::fseek(soundFile, 0, SEEK_END);

interface/src/Head.cpp

@@ -8,11 +8,12 @@
 
 #include <iostream>
 #include <glm/glm.hpp>
-#include "Head.h"
 #include <vector>
 #include <lodepng.h>
 #include <fstream>
 #include <sstream>
+#include <SharedUtil.h>
+#include "Head.h"
 
 using namespace std;
 
@@ -31,7 +32,7 @@ float browThickness = 0.16;
 
 const float DECAY = 0.1;
 
-char iris_texture_file[] = "interface.app/Contents/Resources/images/green_eye.png";
+char iris_texture_file[] = "images/green_eye.png";
 
 vector<unsigned char> iris_texture;
 unsigned int iris_texture_width = 512;
@@ -77,6 +78,7 @@ Head::Head()
     hand = new Hand(glm::vec3(skinColor[0], skinColor[1], skinColor[2]));
 
     if (iris_texture.size() == 0) {
+        switchToResourcesIfRequired();
         unsigned error = lodepng::decode(iris_texture, iris_texture_width, iris_texture_height, iris_texture_file);
         if (error != 0) {
             std::cout << "error " << error << ": " << lodepng_error_text(error) << std::endl;

interface/src/main.cpp

@@ -921,6 +921,7 @@ int main(int argc, char** argv)
         }
     }
 #endif
+    
     //  Lookup the IP address of things we have hostnames
     if (atoi(DOMAIN_IP) == 0) {
         struct hostent* pHostInfo;

shared/src/SharedUtil.cpp

@@ -10,6 +10,10 @@
 #include <cstdio>
 #include "SharedUtil.h"
 
+#ifdef __APPLE__
+#include <CoreFoundation/CoreFoundation.h>
+#endif
+
 double usecTimestamp(timeval *time) {
     return (time->tv_sec * 1000000.0 + time->tv_usec);
 }
@@ -56,3 +60,19 @@ int numberOfOnes(unsigned char byte) {
 bool oneAtBit(unsigned char byte, int bitIndex) {
     return (byte >> (7 - bitIndex) & 1);
 }
+
+void switchToResourcesIfRequired() {
+#ifdef __APPLE__
+    CFBundleRef mainBundle = CFBundleGetMainBundle();
+    CFURLRef resourcesURL = CFBundleCopyResourcesDirectoryURL(mainBundle);
+    char path[PATH_MAX];
+    if (!CFURLGetFileSystemRepresentation(resourcesURL, TRUE, (UInt8 *)path, PATH_MAX)) // Error: expected unqualified-id before 'if'
+    {
+        // error!
+    }
+    CFRelease(resourcesURL); // error: expected constructor, destructor or type conversion before '(' token
+    
+    chdir(path); // error: expected constructor, destructor or type conversion before '(' token
+    std::cout << "Current Path: " << path << std::endl; // error: expected constructor, destructor or type conversion before '<<' token
+#endif
+}

shared/src/SharedUtil.h

@@ -29,4 +29,6 @@ void outputBits(unsigned char byte);
 int numberOfOnes(unsigned char byte);
 bool oneAtBit(unsigned char byte, int bitIndex);
 
+void switchToResourcesIfRequired();
+
 #endif /* defined(__hifi__SharedUtil__) */