Properly link flecs library

engine/libs/flecs/examples/c/reflection/basics_json/include/basics_json.h

@@ -0,0 +1,16 @@
+#ifndef BASICS_JSON_H
+#define BASICS_JSON_H
+
+/* This generated file contains includes for project dependencies */
+#include "basics_json/bake_config.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+

engine/libs/flecs/examples/c/reflection/basics_json/include/basics_json/bake_config.h

@@ -0,0 +1,24 @@
+/*
+                                   )
+                                  (.)
+                                  .|.
+                                  | |
+                              _.--| |--._
+                           .-';  ;`-'& ; `&.
+                          \   &  ;    &   &_/
+                           |"""---...---"""|
+                           \ | | | | | | | /
+                            `---.|.|.|.---'
+
+ * This file is generated by bake.lang.c for your convenience. Headers of
+ * dependencies will automatically show up in this file. Include bake_config.h
+ * in your main project file. Do not edit! */
+
+#ifndef BASICS_JSON_BAKE_CONFIG_H
+#define BASICS_JSON_BAKE_CONFIG_H
+
+/* Headers of public dependencies */
+#include <flecs.h>
+
+#endif
+

engine/libs/flecs/examples/c/reflection/basics_json/project.json

@@ -0,0 +1,12 @@
+{
+    "id": "basics_json",
+    "type": "application",
+    "value": {
+        "author": "Jane Doe",
+        "description": "A simple hello world flecs application",
+        "use": [
+            "flecs"
+        ],
+        "public": false
+    }
+}

engine/libs/flecs/examples/c/reflection/basics_json/src/main.c

@@ -0,0 +1,51 @@
+#include <basics_json.h>
+#include <stdio.h>
+
+typedef struct {
+    float x, y;
+} Position;
+
+int main(int argc, char *argv[]) {
+    ecs_world_t *ecs = ecs_init_w_args(argc, argv);
+
+    // Register component as usual
+    ECS_COMPONENT(ecs, Position);
+
+    // Add reflection data to component
+    ecs_struct(ecs, {
+        .entity = ecs_id(Position), // Make sure to use existing id
+        .members = {
+            { .name = "x", .type = ecs_id(ecs_f32_t) }, // builtin float type
+            { .name = "y", .type = ecs_id(ecs_f32_t) }
+        }
+    });
+
+    // Create entity with Position as usual
+    ecs_entity_t ent = ecs_new_entity(ecs, "ent");
+    ecs_set(ecs, ent, Position, {10, 20});
+
+    // Convert position component to JSON
+    const Position *ptr = ecs_get(ecs, ent, Position);
+    char *str = ecs_ptr_to_json(ecs, ecs_id(Position), ptr);
+    printf("Position = %s\n", str);
+    ecs_os_free(str);
+
+    // Convert entity & all its components to json
+    str = ecs_entity_to_json(ecs, ent, &(ecs_entity_to_json_desc_t) {
+        .serialize_path = true,
+        .serialize_values = true
+    });
+    printf("ent = %s\n", str);
+    ecs_os_free(str);
+
+    // {
+    //     "path":"ent", 
+    //     "ids":[["Position"]], 
+    //     "values":[{
+    //         "x":10, 
+    //         "y":20
+    //     }]
+    // }
+
+    ecs_fini(ecs);
+}