Add Parser::build_scene()

src/fart/Parser.cpp

@@ -61,8 +61,31 @@ Scene * Parser::load_scene(const string_view & input_file)
         return nullptr;
     }
 
-    /* TODO: populate the Scene from p_result(context). */
-    Scene * scene = new Scene();
+    Scene * scene = build_scene(p_result(context));
     p_context_delete(context);
     return scene;
 }
+
+Scene * Parser::build_scene(PStart start)
+{
+    Scene * scene = new Scene();
+
+    for (PRenderParams rps = start.pRenderParams(); p_node_valid(rps); rps = rps.pRenderParams())
+    {
+        PRenderParam rp = rps.pRenderParam();
+        if (PBackground background = rp.pBackground(); p_node_valid(background))
+        {
+            /* TODO: set scene->params.background from the Vector. */
+        }
+        else if (PHeight height = rp.pHeight(); p_node_valid(height))
+        {
+            /* TODO: set scene->params.height from the uint token. */
+        }
+        else if (PWidth width = rp.pWidth(); p_node_valid(width))
+        {
+            /* TODO: set scene->params.width from the uint token. */
+        }
+    }
+
+    return scene;
+}

src/fart/Parser.h

@@ -2,8 +2,13 @@
 
 #include <fart/Scene.h>
 
+struct PStart;
+
 class Parser
 {
 public:
     static Scene * load_scene(const string_view & input_file);
+
+private:
+    static Scene * build_scene(PStart start);
 };

src/fart/Scene.h

@@ -1,5 +1,9 @@
 #pragma once
 
+#include <fart/RenderParams.h>
+
 class Scene
 {
+public:
+    RenderParams params;
 };