init

main.cpp

@@ -0,0 +1,94 @@
+
+
+#ifdef COURSE_SOLUTION
+#include "src/RayTracer.h"
+#endif
+
+#ifdef STUDENT_SOLUTION
+#include "src/RayTracer.h"
+#endif
+
+
+#include <iostream>
+#include <string>
+#include <Eigen/Core>
+#include <Eigen/Dense>
+
+#include "external/json.hpp"
+#include "external/simpleppm.h"
+
+
+using namespace std;
+
+int test_eigen();
+int test_save_ppm();
+int test_json(nlohmann::json& j);
+    
+int main(int argc, char* argv[])
+{
+    if(argc!=2){
+        cout<<"Invalid number of arguments"<<endl;
+        cout<<"Usage: ./raytracer [scene] "<<endl;
+        cout<<"Run sanity checks"<<endl;
+        
+        test_eigen();
+        test_save_ppm();
+        
+    } else {
+        
+        cout<<"Scene: "<<argv[1]<<endl;
+        
+        std::ifstream t(argv[1]);
+        if(!t){
+            cout<<"File "<<argv[1]<<" does not exist!"<<endl;
+            return -1;
+        }
+        
+        std::stringstream buffer;
+        buffer << t.rdbuf();
+        
+        nlohmann::json j = nlohmann::json::parse(buffer.str());
+        cout<<"Parsed successfuly"<<endl;
+        
+#ifdef COURSE_SOLUTION
+        srand(234);
+        cout<<"Running course solution"<<endl;
+        time_t tstart, tend;
+        tstart = time(0);
+        RT371::RayTracer<RT371::Kernelf> rt(j);
+        cout<<"Running!"<<endl;
+        rt.run();
+        tend = time(0);
+        cout << "It took "<< difftime(tend, tstart) <<" second(s)."<< endl;
+#else
+        
+#ifdef STUDENT_SOLUTION
+        cout<<"Running student solution"<<endl;
+
+        time_t tstart, tend;
+        tstart = time(0);
+        RayTracer rt(j);
+        rt.run();
+        tend = time(0);
+        cout << "It took "<< difftime(tend, tstart) <<" second(s)."<< endl;
+#else
+        // GIven code - a bunch of test functions to showcase the funcitonality
+        test_eigen();
+        test_save_ppm();
+        
+        if(test_json(j)==0){
+            
+        } else {
+            cout<<"Could not load file!"<<endl;
+        }
+#endif
+        
+        
+#endif
+    }
+  
+    
+    
+    return 0;
+}
+