Added modtools/reaction-product-trigger.

library/include/LuaTools.h

@@ -500,3 +500,19 @@ namespace DFHack {namespace Lua {
     name##_event.invoke(out, 6); \
     } \
 }
+
+#define DEFINE_LUA_EVENT_7(name, handler, arg_type1, arg_type2, arg_type3, arg_type4, arg_type5,arg_type6,arg_type7) \
+    static DFHack::Lua::Notification name##_event(df::wrap_function(handler, true)); \
+    void name(color_ostream &out, arg_type1 arg1, arg_type2 arg2, arg_type3 arg3, arg_type4 arg4,arg_type5 arg5, arg_type6 arg6, arg_type7 arg7) { \
+    handler(out, arg1, arg2, arg3, arg4, arg5, arg6, arg7); \
+    if (auto state = name##_event.state_if_count()) { \
+    DFHack::Lua::Push(state, arg1); \
+    DFHack::Lua::Push(state, arg2); \
+    DFHack::Lua::Push(state, arg3); \
+    DFHack::Lua::Push(state, arg4); \
+    DFHack::Lua::Push(state, arg5); \
+    DFHack::Lua::Push(state, arg6); \
+    DFHack::Lua::Push(state, arg7); \
+    name##_event.invoke(out, 7); \
+    } \
+}

plugins/eventful.cpp

@@ -94,7 +94,7 @@ static bool is_lua_hook(const std::string &name)
 static void handle_fillsidebar(color_ostream &out,df::building_workshopst*,bool *call_native){};
 static void handle_postfillsidebar(color_ostream &out,df::building_workshopst*){};
 
-static void handle_reaction_done(color_ostream &out,df::reaction*, df::unit *unit, std::vector<df::item*> *in_items,std::vector<df::reaction_reagent*> *in_reag
+static void handle_reaction_done(color_ostream &out,df::reaction*, df::reaction_product_itemst*, df::unit *unit, std::vector<df::item*> *in_items,std::vector<df::reaction_reagent*> *in_reag
     , std::vector<df::item*> *out_items,bool *call_native){};
 static void handle_contaminate_wound(color_ostream &out,df::item_actual*,df::unit* unit, df::unit_wound* wound, uint8_t a1, int16_t a2){};
 static void handle_projitem_ci(color_ostream &out,df::proj_itemst*,bool){};
@@ -105,7 +105,7 @@ static void handle_projunit_cm(color_ostream &out,df::proj_unitst*){};
 DEFINE_LUA_EVENT_2(onWorkshopFillSidebarMenu, handle_fillsidebar, df::building_workshopst*,bool* );
 DEFINE_LUA_EVENT_1(postWorkshopFillSidebarMenu, handle_postfillsidebar, df::building_workshopst*);
 
-DEFINE_LUA_EVENT_6(onReactionComplete, handle_reaction_done,df::reaction*, df::unit *, std::vector<df::item*> *,std::vector<df::reaction_reagent*> *,std::vector<df::item*> *,bool *);
+DEFINE_LUA_EVENT_7(onReactionComplete, handle_reaction_done,df::reaction*, df::reaction_product_itemst*, df::unit *, std::vector<df::item*> *,std::vector<df::reaction_reagent*> *,std::vector<df::item*> *,bool *);
 DEFINE_LUA_EVENT_5(onItemContaminateWound, handle_contaminate_wound, df::item_actual*,df::unit* , df::unit_wound* , uint8_t , int16_t );
 //projectiles
 DEFINE_LUA_EVENT_2(onProjItemCheckImpact, handle_projitem_ci, df::proj_itemst*,bool );
@@ -298,18 +298,25 @@ struct product_hook : item_product {
          int32_t quantity, df::job_skill skill,
          df::historical_entity *entity, df::world_site *site)
     ) {
-        if (auto product = products[this])
-        {
+        color_ostream_proxy out(Core::getInstance().getConsole());
+        auto product = products[this];
+        if ( !product ) {
+            INTERPOSE_NEXT(produce)(unit, out_items, in_reag, in_items, quantity, skill, entity, site);
+            return;
+        }
         df::reaction* this_reaction=product->react;
         CoreSuspendClaimer suspend;
-            color_ostream_proxy out(Core::getInstance().getConsole());
         bool call_native=true;
-            onReactionComplete(out,this_reaction,unit,in_items,in_reag,out_items,&call_native);
+        onReactionComplete(out,this_reaction,(df::reaction_product_itemst*)this,unit,in_items,in_reag,out_items,&call_native);
         if(!call_native)
             return;
-        }
 
+        size_t out_item_count = out_items->size();
         INTERPOSE_NEXT(produce)(unit, out_items, in_reag, in_items, quantity, skill, entity, site);
+        if ( out_items->size() == out_item_count )
+            return;
+        //if it produced something, call the scripts
+        onReactionComplete(out,this_reaction,(df::reaction_product_itemst*)this,unit,in_items,in_reag,out_items,NULL);
     }
 };
 

plugins/lua/eventful.lua

@@ -44,9 +44,9 @@ local function unregall(state)
         _registeredStuff={}
     end
 end
-local function onReact(reaction,unit,input_items,input_reagents,output_items,call_native)
+local function onReact(reaction,reaction_product,unit,input_items,input_reagents,output_items,call_native)
     if _registeredStuff.reactionCallbacks and _registeredStuff.reactionCallbacks[reaction.code] then
-        _registeredStuff.reactionCallbacks[reaction.code](reaction,unit,input_items,input_reagents,output_items,call_native)
+        _registeredStuff.reactionCallbacks[reaction.code](reaction,reaction_product,unit,input_items,input_reagents,output_items,call_native)
     end
 end
 local function onPostSidebar(workshop)

scripts/modtools/reaction-product-trigger.lua

@@ -0,0 +1,129 @@
+-- scripts/modtools/reaction-product-trigger.lua
+-- author expwnent
+-- trigger commands just before and after custom reactions produce items
+
+local eventful = require 'plugins.eventful'
+local utils = require 'utils'
+
+--TODO: onUnload
+productHooks = productHooks or {}
+
+reactionInputItems = reactionInputItems
+
+eventful.enableEvent(eventful.eventType.UNLOAD,1)
+eventful.onUnload.reactionProductTrigger = function()
+ productHooks = {}
+end
+
+--productHooks.before = productHooks.before or {}
+--productHooks.after = productHooks.after or {}
+
+local function processArgs(args, reaction, reaction_product, unit, input_items, input_reagents, output_items, buildingId)
+ local result = {}
+ for _,arg in ipairs(args) do
+  if arg == '\\WORKER_ID' then
+   table.insert(result,tostring(unit.id))
+  elseif arg == '\\REACTION' then
+   table.insert(result,reaction.code)
+--  elseif arg == '\\REACTION_PRODUCT' then
+--   table.insert(result,reaction_product)
+  elseif arg == '\\INPUT_ITEMS' then
+   --table.insert(result,'[')
+   for _,item in ipairs(input_items) do
+    table.insert(result,tostring(item.id))
+   end
+   --table.insert(result,']')
+  elseif arg == '\\OUTPUT_ITEMS' then
+   --table.insert(result,'[')
+   for _,item in ipairs(output_items) do
+    table.insert(result,tostring(item.id))
+   end
+   --table.insert(result,']')
+  elseif arg == '\\BUILDING_ID' then
+   table.insert(result,tostring(buildingId))
+  elseif string.sub(arg,1,1) == '\\' then
+   table.insert(result,string.sub(arg,2))
+  else
+   table.insert(result,arg)
+  end
+ end
+ return result
+end
+
+local function afterProduce(reaction,reaction_product,unit,input_items,input_reagents,output_items)
+ --printall(unit.job.current_job)
+ local _,buildingId = dfhack.script_environment('modtools/reaction-trigger').getWorkerAndBuilding(unit.job.current_job)
+ for _,hook in ipairs(productHooks[reaction.code] or {}) do
+  local command = hook.command
+  local processed = processArgs(command, reaction, reaction_product, unit, input_items, input_reagents, output_items, buildingId)
+  dfhack.run_command(table.unpack(processed))
+ end
+end
+
+eventful.onReactionComplete.reactionProductTrigger = function(reaction,reaction_product,unit,input_items,input_reagents,output_items,call_native)
+ reactionInputItems = input_items
+ --print(reaction.code)
+ --print(#output_items)
+ --print('call_native exists? ' .. tostring(not not call_native))
+ --print('\n')
+ if call_native then
+  --beforeProduce(reaction,unit,input_items,input_reagents,output_items,call_native)
+ else
+  afterProduce(reaction,reaction_product,unit,input_items,input_reagents,output_items)
+ end
+ reactionInputItems = nil
+end
+
+validArgs = validArgs or utils.invert({
+ 'help',
+ 'clear',
+ 'reactionName',
+ 'command',
+})
+
+if moduleMode then
+ return
+end
+
+local args = {...} or {}
+args = utils.processArgs(args, validArgs)
+
+if args.help then
+ print([[scripts/modtools/reaction-product-trigger.lua
+arguments:
+    -help
+        print this help message
+    -clear
+        unregister all reaction hooks
+    -reactionName name
+        specify the name of the reaction
+    -command [ commandStrs ]
+        specify the command to be run on the target(s)
+        special args
+            \\WORKER_ID
+            \\REACTION
+            \\BUILDING_ID
+            \\LOCATION
+            \\INPUT_ITEMS
+            \\OUTPUT_ITEMS
+            \\anything -> \anything
+            anything -> anything
+]])
+ return
+end
+
+if args.clear then
+ productHooks = {}
+end
+
+if not args.reactionName then
+ error('No reactionName.')
+end
+
+if not args.command then
+ error('No command.')
+end
+
+productHooks[args.reactionName] = productHooks[args.reactionName] or {}
+table.insert(productHooks[args.reactionName], args)
+

scripts/modtools/reaction-trigger.lua

@@ -13,7 +13,7 @@ eventful.onUnload.reactionTrigger = function()
  reactionHooks = {}
 end
 
-local function getWorkerAndBuilding(job)
+function getWorkerAndBuilding(job)
  local workerId = -1
  local buildingId = -1
  for _,generalRef in ipairs(job.general_refs) do
@@ -157,6 +157,10 @@ validArgs = validArgs or utils.invert({
  'allowNonworkerTargets',
  'allowMultipleTargets'
 })
+
+if moduleMode then
+ return
+end
 local args = utils.processArgs({...}, validArgs)
 
 if args.help then