Properly link flecs library

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

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

engine/libs/flecs/examples/c/reflection/runtime_nested_component/include/runtime_nested_component/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 RUNTIME_NESTED_COMPONENT_BAKE_CONFIG_H
+#define RUNTIME_NESTED_COMPONENT_BAKE_CONFIG_H
+
+/* Headers of public dependencies */
+#include <flecs.h>
+
+#endif
+

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

@@ -0,0 +1,10 @@
+{
+    "id": "runtime_nested_component",
+    "type": "application",
+    "value": {
+        "use": [
+            "flecs"
+        ],
+        "public": false
+    }
+}

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

@@ -0,0 +1,47 @@
+#include <runtime_nested_component.h>
+#include <stdio.h>
+
+int main(int argc, char *argv[]) {
+    ecs_world_t *ecs = ecs_init_w_args(argc, argv);
+
+    // Create components for types that aren't known at compile time
+    ecs_entity_t Point = ecs_struct(ecs, {
+        .members = {
+            { .name = "x", .type = ecs_id(ecs_f32_t) }, // builtin float type
+            { .name = "y", .type = ecs_id(ecs_f32_t) }
+        }
+    });
+
+    ecs_entity_t Line = ecs_struct(ecs, {
+        .members = {
+            { .name = "start", .type = Point },
+            { .name = "stop", .type = Point }
+        }
+    });
+
+    // Create entity, set value of position using reflection API
+    ecs_entity_t ent = ecs_new_entity(ecs, "ent");
+    void *ptr = ecs_get_mut_id(ecs, ent, Line);
+
+    ecs_meta_cursor_t cur = ecs_meta_cursor(ecs, Line, ptr);
+    ecs_meta_push(&cur);          // {
+    ecs_meta_push(&cur);          //   {
+    ecs_meta_set_float(&cur, 10); //     10
+    ecs_meta_next(&cur);          //     ,
+    ecs_meta_set_float(&cur, 20); //     20
+    ecs_meta_pop(&cur);           //   }
+    ecs_meta_next(&cur);          //   ,
+    ecs_meta_push(&cur);          //   {
+    ecs_meta_set_float(&cur, 30); //     30
+    ecs_meta_next(&cur);          //     ,
+    ecs_meta_set_float(&cur, 40); //     40
+    ecs_meta_pop(&cur);           //   }
+    ecs_meta_pop(&cur);           // }
+
+    // Convert component to string
+    char *str = ecs_ptr_to_expr(ecs, Line, ptr);
+    printf("%s\n", str); // {start: {x: 10.00, y: 20.00}, stop: {x: 30.00, y: 40.00}}
+    ecs_os_free(str);
+
+    ecs_fini(ecs);
+}