From 372f23024163e0fab57a847ddda41f06857efd7e Mon Sep 17 00:00:00 2001
From: aura <nw@moneybot.cc>
Date: Mon, 27 Jul 2026 11:55:57 +0200
Subject: undo/redo props - WIP

---
 src/editor/properties.h | 35 ++++++++++++++++++++++++++++++-----
 1 file changed, 30 insertions(+), 5 deletions(-)

(limited to 'src/editor/properties.h')

diff --git a/src/editor/properties.h b/src/editor/properties.h
index 810c075..d4fc3bb 100644
--- a/src/editor/properties.h
+++ b/src/editor/properties.h
@@ -6,6 +6,7 @@
 #include <math.h>
 #include "../util/string.h"
 #include "../util/fnv.h"
+#include "../util/profiler.h"
 
 #define EPROP( _type, name, value, display ) \
   _type name = value; \
@@ -90,6 +91,7 @@ struct EOBJECT {
   LIST<EPROP_ENTRY> eprops{};
 };
 
+
 template <typename T>
 concept __eobject_base = __is_base_of(EOBJECT, T);
 
@@ -112,6 +114,7 @@ struct EDITOR_PROP {
 
     _parent->eprops.push( { offset } );
 
+    parentoff = pdata - parent;
     offset = _this - pdata;
     dataoff = offset;
   }
@@ -133,6 +136,7 @@ struct EDITOR_PROP {
 
     _parent->eprops.push( { offset } );
 
+    parentoff = pdata - parent;
     offset = _this - pdata;
     dataoff = offset;
   }
@@ -154,6 +158,7 @@ struct EDITOR_PROP {
 
     _parent->eprops.push( { offset } );
 
+    parentoff = pdata - parent;
     offset = _this - pdata;
     dataoff = offset;
   }
@@ -175,11 +180,13 @@ struct EDITOR_PROP {
 
     _parent->eprops.push( { offset } );
 
+    parentoff = pdata - parent;
     offset = _this - pdata;
     dataoff = offset;
   }
 
   U64 dataoff;
+  U64 parentoff;
   U8 type;
   STR displayname;
   F64 min{ -INFINITY };
@@ -220,22 +227,40 @@ inline EDITOR_PROP* eprop_from_ref( EOBJECT* obj, EPROP_ENTRY e ) {
   return (EDITOR_PROP*)( (U64)obj + e.offset );
 }
 
+inline EDITOR_PROP* eprop_from_ptr( EOBJECT* obj, void* ptr ) {
+  if( (U64)ptr < (U64)obj ) {
+    trace( "eprop_from_ptr() : error : invalid pointer access, obj = %llx, ptr = %llx\n", (U64)obj, (U64)ptr );
+    return 0;
+  }
+
+  U64 off = ( (U64)ptr - (U64)obj );
+  for( auto& it : obj->eprops ) {
+    EDITOR_PROP* p = eprop_from_ref( obj, it );
+    if( off == p->parentoff )
+      return p;
+  }
+
+  return 0;
+}
+
 inline void* eprop_ptr( EDITOR_PROP* prop ) {
   return (void*)( (U64)prop - prop->dataoff);
 }
 
-inline EDITOR_PROP* eprop_from_name( EOBJECT* obj, STR name ) {
-  FNV1A fnv = fnv1a( name );
-
+inline EDITOR_PROP* eprop_from_hash( EOBJECT* obj, FNV1A hash ) {
   for( auto& it : obj->eprops ) {
     EDITOR_PROP* prop = eprop_from_ref( obj, it );
-    if( fnv == prop->hash )
+    if( hash == prop->hash )
       return prop;
   }
-
   return 0;
 }
 
+inline EDITOR_PROP* eprop_from_name( EOBJECT* obj, STR name ) {
+  FNV1A fnv = fnv1a( name );
+  return eprop_from_hash( obj, fnv );
+}
+
 template <typename T>
 const U8 eprop_type() {
   return EDITOR_PROP::__eprop_type<T>::type;
-- 
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