fix: .gitignore + add 44 language JSON files

Engine/Scene/scene_render.c

@@ -0,0 +1,65 @@
+#include "scene_render.h"
+#include <stdlib.h>
+#include <string.h>
+
+void scene_node_set_mesh_renderer(SceneNode* node, MeshRenderer* renderer) {
+    if (!node) return;
+    node->user_type = 1;
+    node->user_data = renderer;
+}
+
+MeshRenderer* scene_node_get_mesh_renderer(SceneNode* node) {
+    if (!node || node->user_type != 1) return NULL;
+    return (MeshRenderer*)node->user_data;
+}
+
+static void scene_render_node_recursive(SceneNode* node, Renderer* r) {
+    if (!node || !node->visible) return;
+
+    MeshRenderer* mr = scene_node_get_mesh_renderer(node);
+    if (mr && mr->mesh && mr->material) {
+        renderer_draw_mesh_with_material(r, mr->mesh, mr->material, &node->world_matrix);
+    }
+
+    for (int i = 0; i < node->child_count; i++) {
+        scene_render_node_recursive(node->children[i], r);
+    }
+}
+
+void scene_render(Scene* scene, Renderer* r) {
+    if (!scene || !r) return;
+    scene_render_node_recursive(scene->root, r);
+}
+
+MeshRenderer* mesh_renderer_create(MeshType type, Mesh* mesh, Material* material) {
+    MeshRenderer* mr = (MeshRenderer*)calloc(1, sizeof(MeshRenderer));
+    mr->type = type;
+    mr->mesh = mesh;
+    mr->material = material;
+    mr->path[0] = '\0';
+    return mr;
+}
+
+void mesh_renderer_destroy(MeshRenderer* mr) {
+    if (!mr) return;
+    if (mr->material) material_destroy(mr->material);
+    free(mr);
+}
+
+static void destroy_renderers_recursive(SceneNode* node) {
+    if (!node) return;
+    MeshRenderer* mr = scene_node_get_mesh_renderer(node);
+    if (mr) {
+        mesh_renderer_destroy(mr);
+        node->user_data = NULL;
+        node->user_type = 0;
+    }
+    for (int i = 0; i < node->child_count; i++) {
+        destroy_renderers_recursive(node->children[i]);
+    }
+}
+
+void scene_destroy_renderers(Scene* scene) {
+    if (!scene) return;
+    destroy_renderers_recursive(scene->root);
+}