Add some server entity code-crawling machinery

1 files changed, 23 insertions, 0 deletions

diff --git a/src/ent.h b/src/ent.h
index 0273d86..4d2ddd9 100644
--- a/src/ent.h
+++ b/src/ent.h
@@ -18,6 +18,7 @@
 #define INC_ENT_H
 
 #include "engineapi.h"
+#include "vcall.h"
 
 /* Returns a server-side edict pointer, or null if not found. */
 struct edict *ent_getedict(int idx);
@@ -25,6 +26,28 @@ struct edict *ent_getedict(int idx);
 /* Returns an opaque pointer to a server-side entity, or null if not found. */
 void *ent_get(int idx);
 
+struct CEntityFactory; // opaque for now, can move out of ent.c if needed later
+
+/*
+ * Returns the CEntityFactory for a given entity name, or null if not found or
+ * unavailable. This provides a means to create and destroy entities of that
+ * type on the server, as well as opportunities to dig through instructions to
+ * find useful stuff.
+ */
+const struct CEntityFactory *ent_getfactory(const char *name);
+
+/*
+ * Attempts to find the virtual table of an entity class given only its factory.
+ * Returns null if that couldn't be done. Can be used to hook things without
+ * having an instance of the class up-front, or perform further snooping to get
+ * even deeper into an entity's code.
+ *
+ * The classname parameter is used for error messages on failed instruction
+ * searches and isn't used for the search itself.
+ */
+void **ent_findvtable(const struct CEntityFactory *factory,
+		const char *classname);
+
 #endif
 
 // vi: sw=4 ts=4 noet tw=80 cc=80