1 files changed, 86 insertions, 0 deletions
diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..8cb00b8
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,86 @@
+#include <QCoreApplication>
+#include <QCommandLineParser>
+#include <QImage>
+#include <QtCore>
+
+#include <iostream>
+#include "utils/sceneparser.h"
+#include "raytracer/raytracer.h"
+#include "raytracer/raytracescene.h"
+
+int main(int argc, char *argv[])
+{
+    QCoreApplication a(argc, argv);
+
+    QCommandLineParser parser;
+    parser.addHelpOption();
+    parser.addPositionalArgument("config", "Path of the config file.");
+    parser.process(a);
+
+    auto positionalArgs = parser.positionalArguments();
+    if (positionalArgs.size() != 1) {
+        std::cerr << "Not enough arguments. Please provide a path to a config file (.ini) as a command-line argument." << std::endl;
+        a.exit(1);
+        return 1;
+    }
+
+    QSettings settings( positionalArgs[0], QSettings::IniFormat );
+    QString iScenePath = settings.value("IO/scene").toString();
+    QString oImagePath = settings.value("IO/output").toString();
+
+    RenderData metaData;
+    bool success = SceneParser::parse(iScenePath.toStdString(), metaData);
+
+    if (!success) {
+        std::cerr << "Error loading scene: \"" << iScenePath.toStdString() << "\"" << std::endl;
+        a.exit(1);
+        return 1;
+    }
+
+    // Raytracing-relevant code starts here
+
+    int width = settings.value("Canvas/width").toInt();
+    int height = settings.value("Canvas/height").toInt();
+
+    // Extracting data pointer from Qt's image API
+    QImage image = QImage(width, height, QImage::Format_RGBX8888);
+    image.fill(Qt::black);
+    RGBA *data = reinterpret_cast<RGBA *>(image.bits());
+
+    // Setting up the raytracer
+    Config rtConfig{};
+    rtConfig.enableShadow        = settings.value("Feature/shadows").toBool();
+    rtConfig.enableReflection    = settings.value("Feature/reflect").toBool();
+    rtConfig.enableRefraction    = settings.value("Feature/refract").toBool();
+    rtConfig.enableTextureMap    = settings.value("Feature/texture").toBool();
+    rtConfig.enableTextureFilter = settings.value("Feature/texture-filter").toBool();
+    rtConfig.enableParallelism   = settings.value("Feature/parallel").toBool();
+    rtConfig.enableSuperSample   = settings.value("Feature/super-sample").toBool();
+    rtConfig.enableAntiAliasing   = settings.value("Feature/post-process").toBool();
+    rtConfig.enableAcceleration  = settings.value("Feature/acceleration").toBool();
+    rtConfig.enableDepthOfField  = settings.value("Feature/depthoffield").toBool();
+    rtConfig.maxRecursiveDepth   = settings.value("Settings/maximum-recursive-depth").toInt();
+    rtConfig.onlyRenderNormals   = settings.value("Settings/only-render-normals").toBool();
+
+    RayTracer raytracer{ rtConfig };
+
+    RayTraceScene rtScene{ width, height, metaData };
+
+    // Note that we're passing `data` as a pointer (to its first element)
+    // Recall from Lab 1 that you can access its elements like this: `data[i]`
+    raytracer.render(data, rtScene);
+
+    // Saving the image
+    success = image.save(oImagePath);
+    if (!success) {
+        success = image.save(oImagePath, "PNG");
+    }
+    if (success) {
+        std::cout << "Saved rendered image to \"" << oImagePath.toStdString() << "\"" << std::endl;
+    } else {
+        std::cerr << "Error: failed to save image to \"" << oImagePath.toStdString() << "\"" << std::endl;
+    }
+
+    a.exit();
+    return 0;
+}