1 files changed, 24 insertions, 0 deletions

diff --git a/src/types.h b/src/types.h
new file mode 100644
index 0000000..d0ffc41
--- /dev/null
+++ b/src/types.h
@@ -0,0 +1,24 @@
+/// Strongly-typed indices for every kind of scene node resource.
+#pragma once
+
+#include <stdint.h>
+
+typedef uint16_t gfx_idx;
+
+#define DEF_STRONG_INDEX(TYPE_NAME, IDX_TYPE) \
+  typedef struct TYPE_NAME##_idx {            \
+    IDX_TYPE val;                             \
+  } TYPE_NAME##_idx;
+
+DEF_STRONG_INDEX(anima, gfx_idx)
+DEF_STRONG_INDEX(animation, gfx_idx)
+DEF_STRONG_INDEX(camera, gfx_idx)
+DEF_STRONG_INDEX(light, gfx_idx)
+DEF_STRONG_INDEX(material, gfx_idx)
+DEF_STRONG_INDEX(mesh, gfx_idx)
+DEF_STRONG_INDEX(mesh_link, gfx_idx)
+DEF_STRONG_INDEX(model, gfx_idx)
+DEF_STRONG_INDEX(node, gfx_idx)
+DEF_STRONG_INDEX(object, gfx_idx)
+DEF_STRONG_INDEX(scene, gfx_idx)
+DEF_STRONG_INDEX(skeleton, gfx_idx)