Merge pull request #4982 from ab9rf/setAutomaticProfession

add `Units::setAutomaticProfessions`

Author: myk002

docs/changelog.txt

@@ -78,6 +78,7 @@ Template for new versions:
 ## API
 
 - ``DFHack::Units``: new function ``setPathGoal``
+- ``Units::setAutomaticProfessions``: bay12-provided entry point to assign labors based on work details
 
 ## Lua
 

library/include/modules/Units.h

@@ -239,6 +239,10 @@ DFHACK_EXPORT bool unassignTrainer(df::unit *unit);
 /// to determine if the makeown operation was successful.
 DFHACK_EXPORT void makeown(df::unit *unit);
 
+/// set appropriate labors on a unit based on current work detail settings
+/// (uses Bay12-provided algorithm)
+DFHACK_EXPORT void setAutomaticProfessions(df::unit* unit);
+
 // Set the units target location and goal, clearing any existing goal or path
 DFHACK_EXPORT void setPathGoal(df::unit *unit, df::coord pos, df::unit_path_goal goal);
 

library/modules/Units.cpp

@@ -934,6 +934,17 @@ void Units::makeown(df::unit *unit) {
     (*f)(unit);
 }
 
+void Units::setAutomaticProfessions(df::unit* unit) {
+    CHECK_NULL_POINTER(unit);
+    auto fp = df::global::unitst_set_automatic_professions;
+    CHECK_NULL_POINTER(fp);
+
+    using FT = std::function<void(df::unit*)>;
+    auto f = reinterpret_cast<FT*>(fp);
+    (*f)(unit);
+}
+
+
 // functionality reverse-engineered from DF's unitst::set_goal
 void Units::setPathGoal(df::unit *unit, df::coord pos, df::unit_path_goal goal)
 {