wip more refactoring

ngc_ext_common.hpp

@@ -1,5 +1,9 @@
 #include <tox/tox.h>
 
+#include "ngc_ext_common.h"
+#include "ngc_hs1.h"
+#include "ngc_ft1.h"
+
 //#include <cstdint>
 //#include <cassert>
 //#include <new>
@@ -71,7 +75,6 @@ enum _PacketType : uint8_t {
 	INVALID = 0u,
 
 	//TODO: make it possible to go further back
-
 	// request last (few) message_ids for a peer
 	// - peer_key bytes (peer key we want to know ids for)
 	// - 1 byte (uint8_t count ids, atleast 1)
@@ -148,3 +151,21 @@ static const char* _pkgid2str(_PacketType type) {
 #undef _EXT_CASE
 }
 
+using handle_group_custom_packet_cb = void(*)(
+	Tox* tox,
+	NGC_EXT_CTX* ngc_ext_ctx,
+
+	uint32_t group_number,
+	uint32_t peer_number,
+
+	const uint8_t *data,
+	size_t length
+);
+
+
+struct NGC_EXT_CTX {
+	std::array<handle_group_custom_packet_cb, 256> callbacks;
+	NGC_HS1* ngc_hs1_ctx = nullptr;
+	NGC_FT1* ngc_ft1_ctx = nullptr;
+};
+