quite a lot of stuff, can't list them all here (approaching 1.9)

2026-07-29 16:29:17 +02:00 · 2026-04-25 18:13:09 +02:00
parent d79c238924
commit 4b904bc720
20 changed files with 639 additions and 628 deletions
@@ -0,0 +1,85 @@
+_Ert_state = 0
+_Ert_oda_id = nil
+
+--- Size: 259 bytes
+local USERDATA_ERT_OFFSET = 0
+
+local function init_ert()
+    if _Ert_oda_id == nil then
+        _Ert_oda_id = ext.register_oda(13, false, 0x6552, 1, false)
+        ext.set_oda_handler(_Ert_oda_id, function ()
+            if string.byte(userdata.get_offset(USERDATA_ERT_OFFSET+258, 1)) == 1 then
+                local new_data = userdata.get_offset(USERDATA_ERT_OFFSET, 128)
+                local new_segments = string.byte(userdata.get_offset(USERDATA_ERT_OFFSET+128, 1))
+                userdata.set_offset(USERDATA_ERT_OFFSET+129, 128, new_data)
+                userdata.set_offset(USERDATA_ERT_OFFSET+257, 1, string.char(new_segments))
+                userdata.set_offset(USERDATA_ERT_OFFSET+258, 1, string.char(0))
+                _Ert_state = 0
+            end
+
+            local segments = string.byte(userdata.get_offset(USERDATA_ERT_OFFSET+257, 1))
+
+            if segments == 0 then return false, 0, 0, 0 end
+
+            if _Ert_state >= segments then _Ert_state = 0 end
+
+            local b = _Ert_state & 31
+            local chunk = userdata.get_offset(USERDATA_ERT_OFFSET + 129 + _Ert_state * 4, 4)
+            local c = (string.byte(chunk, 1) << 8) | string.byte(chunk, 2)
+            local d = (string.byte(chunk, 3) << 8) | string.byte(chunk, 4)
+
+            _Ert_state = (_Ert_state + 1) % segments
+            return true, b, c, d
+        end)
+    end
+end
+
+function unregister_ert()
+    if _Ert_oda_id ~= nil then
+        ext.unregister_oda(_Ert_oda_id)
+        _Ert_oda_id = nil
+    end
+end
+
+function rds.ext.set_ert(ert)
+    if #ert == 0 then
+        userdata.set_offset(USERDATA_ERT_OFFSET, 128, "")
+        userdata.set_offset(USERDATA_ERT_OFFSET+128, 1, string.char(0))
+        userdata.set_offset(USERDATA_ERT_OFFSET+258, 1, string.char(1))
+        return
+    end
+
+    local data = ert .. "\r"
+    data = string.sub(data, 1, 128)
+
+    local padding = (4 - (#data % 4)) % 4
+    data = data .. string.rep("\0", padding)
+
+    userdata.set_offset(USERDATA_ERT_OFFSET, 128, data)
+
+    local segments = #data // 4
+    if segments > 32 then segments = 32 end
+
+    userdata.set_offset(USERDATA_ERT_OFFSET+128, 1, string.char(segments))
+
+    if string.byte(userdata.get_offset(USERDATA_ERT_OFFSET+257, 1)) == 0 then
+        init_ert()
+        userdata.set_offset(USERDATA_ERT_OFFSET+129, 128, data)
+        userdata.set_offset(USERDATA_ERT_OFFSET+257, 1, string.char(segments))
+        _Ert_state = 0
+    else userdata.set_offset(USERDATA_ERT_OFFSET+258, 1, string.char(1)) end
+
+    if _Ert_oda_id == nil then init_ert() end
+end
+
+function rds.ext.get_ert()
+    local segments = string.byte(userdata.get_offset(USERDATA_ERT_OFFSET+128, 1))
+    if segments == 0 then return "" end
+
+    local data = userdata.get_offset(USERDATA_ERT_OFFSET, 128)
+    return data:match("^(.-)[\r%z]*") or ""
+end
+
+table.insert(hooks.on_state, function ()
+    if string.byte(userdata.get_offset(USERDATA_ERT_OFFSET+257, 1)) ~= 0 then init_ert() end
+end)