Merge branch 'main' into heightmaps

src/data/dv_util.hpp

@@ -0,0 +1,78 @@
+#pragma once
+
+#include "dv.hpp"
+
+#include <glm/glm.hpp>
+
+namespace dv {
+    template <int n, typename T>
+    inline dv::value to_value(glm::vec<n, T> vec) {
+        auto list = dv::list();
+        for (size_t i = 0; i < n; i++) {
+            list.add(vec[i]);
+        }
+        return list;
+    }
+
+    template <int n, int m, typename T>
+    inline dv::value to_value(glm::mat<n, m, T> mat) {
+        auto list = dv::list();
+        for (size_t i = 0; i < n; i++) {
+            for (size_t j = 0; j < m; j++) {
+                list.add(mat[i][j]);
+            }
+        }
+        return list;
+    }
+
+    template <int n>
+    void get_vec(const dv::value& list, glm::vec<n, float>& vec) {
+        for (size_t i = 0; i < n; i++) {
+            vec[i] = list[i].asNumber();
+        }
+    }
+
+    template <int n, typename T>
+    void get_vec(const dv::value& map, const std::string& key, glm::vec<n, T>& vec) {
+        if (!map.has(key)) {
+            return;
+        }
+        auto& list = map[key];
+        for (size_t i = 0; i < n; i++) {
+            if constexpr (std::is_floating_point<T>()) {
+                vec[i] = list[i].asNumber();
+            } else {
+                vec[i] = list[i].asInteger();
+            }
+        }
+    }
+
+    template <int n, int m>
+    void get_mat(
+        const dv::value& list,
+        glm::mat<n, m, float>& mat
+    ) {
+        for (size_t y = 0; y < n; y++) {
+            for (size_t x = 0; x < m; x++) {
+                mat[y][x] = list[y * m + x].asNumber();
+            }
+        }
+    }
+
+    template <int n, int m>
+    void get_mat(
+        const dv::value& map,
+        const std::string& key,
+        glm::mat<n, m, float>& mat
+    ) {
+        if (!map.has(key)) {
+            return;
+        }
+        auto& list = map[key];
+        for (size_t y = 0; y < n; y++) {
+            for (size_t x = 0; x < m; x++) {
+                mat[y][x] = list[y * m + x].asNumber();
+            }
+        }
+    }
+}