add WeatherPreset

src/presets/WeatherPreset.cpp

@@ -0,0 +1,26 @@
+#include "WeatherPreset.hpp"
+
+#include "data/dv_util.hpp"
+
+dv::value WeatherPreset::serialize() const {
+    auto root = dv::object();
+    
+    auto froot = dv::object();
+    froot["texture"] = fall.texture;
+    froot["vspeed"] = fall.vspeed;
+    froot["hspeed"] = fall.hspeed;
+    froot["scale"] = fall.scale;
+    root["fall"] = froot;
+
+    return root;
+}
+
+void WeatherPreset::deserialize(const dv::value& src) {
+    if (src.has("fall")) {
+        const auto& froot = src["fall"];
+        froot.at("texture").get(fall.texture);
+        froot.at("vspeed").get(fall.vspeed);
+        froot.at("hspeed").get(fall.hspeed);
+        froot.at("scale").get(fall.scale);
+    }
+}