[autobutcher] don't run cycle on first fort tick

docs/changelog.txt

@@ -58,6 +58,7 @@ Template for new versions:
 
 ## Fixes
 - Fix mouse clicks bleeding through DFHack windows when clicking in the space between the frame and the window content in resizable windows
+- `autobutcher`: don't run a scanning and marking cycle on the first tick of a fortress to allow for all custom configuration to be set first
 - `logistics`: don't ignore rotten items when applying stockpile logistics operations (e.g. autodump, autoclaim, etc.)
 
 ## Misc Improvements

docs/plugins/autobutcher.rst

@@ -7,6 +7,9 @@ autobutcher
 
 This plugin monitors how many pets you have of each gender and age and assigns
 excess livestock for slaughter. See `gui/autobutcher` for an in-game interface.
+Common configuration tweaks can be enabled in `gui/control-panel` in the
+Automation -> Autostart tab.
+
 Units are protected from being automatically butchered if they are:
 
 * Untamed
@@ -34,10 +37,7 @@ Usage
 -----
 
 ``enable autobutcher``
-    Start processing livestock according to the configuration. Note that
-    no races are watched by default. You have to add the ones you want to
-    monitor with ``autobutcher watch``, ``autobutcher target`` or
-    ``autobutcher autowatch``.
+    Start processing livestock according to the per-race targets.
 ``autobutcher [list]``
     Print status and current settings, including the watchlist. This is the
     default command if autobutcher is run without parameters.
@@ -91,8 +91,8 @@ Though not all the races listed there are tameable/butcherable.
     savegame, you can export the commands required to recreate your settings.
 
     To export, open an external terminal in the DF directory, and run
-    ``dfhack-run autobutcher list_export > filename.txt``.  To import, load your
-    new save and run ``script filename.txt`` in the DFHack terminal.
+    ``dfhack-run autobutcher list_export > autobutcher.txt``.  To import, load
+    your new save and run ``script autobutcher.txt`` in `gui/launcher`.
 
 Examples
 --------

plugins/autobutcher.cpp

@@ -17,6 +17,7 @@
 #include "df/building_civzonest.h"
 #include "df/creature_raw.h"
 #include "df/general_ref.h"
+#include "df/plotinfost.h"
 #include "df/unit.h"
 #include "df/world.h"
 
@@ -31,6 +32,7 @@ using namespace DFHack;
 DFHACK_PLUGIN("autobutcher");
 DFHACK_PLUGIN_IS_ENABLED(is_enabled);
 
+REQUIRE_GLOBAL(plotinfo);
 REQUIRE_GLOBAL(world);
 
 // logging levels can be dynamically controlled with the `debugfilter` command.
@@ -89,7 +91,9 @@ DFhackCExport command_result plugin_enable(color_ostream &out, bool enable) {
         DEBUG(control,out).print("%s from the API; persisting\n",
                                 is_enabled ? "enabled" : "disabled");
         config.set_bool(CONFIG_IS_ENABLED, is_enabled);
-        if (enable)
+        // don't autorun cycle on first frame of fortress so we don't mark animals for butchering before
+        // all initial configuration has been applied
+        if (enable && plotinfo->fortress_age > 0)
             autobutcher_cycle(out);
     } else {
         DEBUG(control,out).print("%s from the API, but already %s; no action\n",