Added UNIT_ATTACK event to EventManager and exposed it to Lua.

library/include/modules/EventManager.h

@@ -9,8 +9,10 @@
 #include "Console.h"
 #include "DataDefs.h"
 
-#include <df/coord.h>
-#include <df/unit_inventory_item.h>
+#include "df/coord.h"
+#include "df/unit.h"
+#include "df/unit_inventory_item.h"
+#include "df/unit_wound.h"
 
 namespace DFHack {
     namespace EventManager {
@@ -27,6 +29,7 @@ namespace DFHack {
                 INVASION,
                 INVENTORY_CHANGE,
                 REPORT,
+                UNIT_ATTACK,
                 EVENT_MAX
             };
         }
@@ -70,6 +73,12 @@ namespace DFHack {
             InventoryChangeData(int32_t id_in, InventoryItem* old_in, InventoryItem* new_in): unitId(id_in), item_old(old_in), item_new(new_in) {}
         };
         
+        struct UnitAttackData {
+            int32_t attacker;
+            int32_t defender;
+            int32_t wound;
+        };
+        
         DFHACK_EXPORT void registerListener(EventType::EventType e, EventHandler handler, Plugin* plugin);
         DFHACK_EXPORT int32_t registerTick(EventHandler handler, int32_t when, Plugin* plugin, bool absolute=false);
         DFHACK_EXPORT void unregister(EventType::EventType e, EventHandler handler, Plugin* plugin);

library/modules/EventManager.cpp

@@ -1,5 +1,6 @@
 #include "Core.h"
 #include "Console.h"
+#include "VTableInterpose.h"
 #include "modules/Buildings.h"
 #include "modules/Constructions.h"
 #include "modules/EventManager.h"
@@ -15,6 +16,10 @@
 #include "df/general_ref_unit_workerst.h"
 #include "df/global_objects.h"
 #include "df/item.h"
+#include "df/item_actual.h"
+#include "df/item_constructed.h"
+#include "df/item_crafted.h"
+#include "df/item_weaponst.h"
 #include "df/job.h"
 #include "df/job_list_link.h"
 #include "df/report.h"
@@ -22,7 +27,9 @@
 #include "df/unit.h"
 #include "df/unit_flags1.h"
 #include "df/unit_inventory_item.h"
+#include "df/unit_report_type.h"
 #include "df/unit_syndrome.h"
+#include "df/unit_wound.h"
 #include "df/world.h"
 
 #include <map>
@@ -119,6 +126,7 @@ static void manageSyndromeEvent(color_ostream& out);
 static void manageInvasionEvent(color_ostream& out);
 static void manageEquipmentEvent(color_ostream& out);
 static void manageReportEvent(color_ostream& out);
+static void manageUnitAttackEvent(color_ostream& out);
 
 typedef void (*eventManager_t)(color_ostream&);
 
@@ -133,7 +141,8 @@ static const eventManager_t eventManager[] = {
     manageSyndromeEvent,
     manageInvasionEvent,
     manageEquipmentEvent,
-    manageReportEvent
+    manageReportEvent,
+    manageUnitAttackEvent,
 };
 
 //job initiated
@@ -169,6 +178,9 @@ static unordered_map<int32_t, vector<InventoryItem> > equipmentLog;
 //report
 static int32_t lastReport;
 
+//unit attack
+static int32_t lastReportUnitAttack;
+
 void DFHack::EventManager::onStateChange(color_ostream& out, state_change_event event) {
     static bool doOnce = false;
 //    const string eventNames[] = {"world loaded", "world unloaded", "map loaded", "map unloaded", "viewscreen changed", "core initialized", "begin unload", "paused", "unpaused"};
@@ -194,6 +206,7 @@ void DFHack::EventManager::onStateChange(color_ostream& out, state_change_event
 
         Buildings::clearBuildings(out);
         lastReport = -1;
+        lastReportUnitAttack = -1;
         gameLoaded = false;
     } else if ( event == DFHack::SC_MAP_LOADED ) {
         /*
@@ -244,6 +257,7 @@ void DFHack::EventManager::onStateChange(color_ostream& out, state_change_event
             }
         }
         lastReport = -1;
+        lastReportUnitAttack = -1;
         for ( size_t a = 0; a < EventType::EVENT_MAX; a++ ) {
             eventLastTick[a] = -1;//-1000000;
         }
@@ -716,8 +730,6 @@ static void manageReportEvent(color_ostream& out) {
     }
     for ( ; a < reports.size(); a++ ) {
         df::report* report = reports[a];
-        df::announcement_type type = report->type;
-        //starts with COMBAT_ or UNIT_PROJECTILE_
         for ( auto b = copy.begin(); b != copy.end(); b++ ) {
             EventHandler handle = (*b).second;
             handle.eventHandler(out, (void*)report->id);
@@ -726,3 +738,134 @@ static void manageReportEvent(color_ostream& out) {
     }
 }
 
+/*
+static void onAttackEventHelper(df::unit* attacker, df::unit* defender, df::unit_wound* wound) {
+    multimap<Plugin*,EventHandler> copy(handlers[EventType::UNIT_ATTACK].begin(), handlers[EventType::UNIT_ATTACK].end());
+    UnitAttackData data;
+    data.defender = unit->id;
+    data.attacker = wound->unit_id;
+    data.wound = wound->id;
+    
+    for ( auto a = copy.begin(); a != copy.end(); a++ ) {
+        EventHandler handle = (*a).second;
+        handle.eventHandler(Core::getInstance().getConsole(), (void*)&data);
+    }
+}
+*/
+
+static df::unit_wound* getWound(df::unit* attacker, df::unit* defender) {
+    for ( size_t a = 0; a < defender->body.wounds.size(); a++ ) {
+        df::unit_wound* wound = defender->body.wounds[a];
+        if ( wound->age <= 1 && wound->unit_id == attacker->id ) {
+            return wound;
+        }
+    }
+    return NULL;
+}
+
+static void manageUnitAttackEvent(color_ostream& out) {
+    multimap<Plugin*,EventHandler> copy(handlers[EventType::UNIT_ATTACK].begin(), handlers[EventType::UNIT_ATTACK].end());
+    std::vector<df::report*>& reports = df::global::world->status.reports;
+    if (reports.size() == 0) {
+        return;
+    }
+    size_t a = df::report::binsearch_index(reports, lastReportUnitAttack, false);
+    //this may or may not be needed: I don't know if binsearch_index goes earlier or later if it can't hit the target exactly
+    while (a < reports.size() && reports[a]->id <= lastReportUnitAttack) {
+        a++;
+    }
+    std::set<int32_t> strikeReports;
+    for ( ; a < reports.size(); a++ ) {
+        df::report* report = reports[a];
+        lastReportUnitAttack = report->id;
+        if ( report->flags.bits.continuation )
+            continue;
+        df::announcement_type type = report->type;
+        if ( type == df::announcement_type::COMBAT_STRIKE_DETAILS ) {
+            strikeReports.insert(report->id);
+        }
+    }
+    
+    if ( strikeReports.empty() )
+        return;
+    
+    //report id -> relevant units
+    std::map<int32_t,std::vector<int32_t>> reportToRelevantUnits;
+    for ( size_t a = 0; a < df::global::world->units.all.size(); a++ ) {
+        df::unit* unit = df::global::world->units.all[a];
+        for ( int16_t b = df::enum_traits<df::unit_report_type>::first_item_value; b <= df::enum_traits<df::unit_report_type>::last_item_value; b++ ) {
+            if ( b == df::unit_report_type::Sparring )
+                continue;
+            for ( size_t c = 0; c < unit->reports.log[b].size(); c++ ) {
+                reportToRelevantUnits[unit->reports.log[b][c]].push_back(unit->id);
+            }
+        }
+    }
+    
+    map<int32_t, map<int32_t, int32_t> > alreadyDone;
+    for ( auto a = strikeReports.begin(); a != strikeReports.end(); a++ ) {
+        int32_t reportId = *a;
+        df::report* report = df::report::find(reportId);
+        if ( !report )
+            continue; //TODO: error
+        std::string reportStr = report->text;
+        for ( int32_t b = reportId+1; ; b++ ) {
+            df::report* report2 = df::report::find(b);
+            if ( !report2 )
+                break;
+            if ( report2->type != df::announcement_type::COMBAT_STRIKE_DETAILS )
+                break;
+            if ( !report2->flags.bits.continuation )
+                break;
+            reportStr = reportStr + report2->text;
+        }
+        
+        std::vector<int32_t>& relevantUnits = reportToRelevantUnits[report->id];
+        if ( relevantUnits.size() != 2 ) {
+            continue;
+        }
+        
+        df::unit* unit1 = df::unit::find(relevantUnits[0]);
+        df::unit* unit2 = df::unit::find(relevantUnits[1]);
+        
+        df::unit_wound* wound1 = getWound(unit1,unit2);
+        df::unit_wound* wound2 = getWound(unit2,unit1);
+        
+        if ( wound1 && !alreadyDone[unit1->id][unit2->id] ) {
+            UnitAttackData data;
+            data.attacker = unit1->id;
+            data.defender = unit2->id;
+            data.wound = wound1->id;
+            
+            alreadyDone[data.attacker][data.defender] = 1;
+            for ( auto b = copy.begin(); b != copy.end(); b++ ) {
+                EventHandler handle = (*b).second;
+                handle.eventHandler(out, (void*)&data);
+            }
+        }
+        
+        if ( wound2 && !alreadyDone[unit1->id][unit2->id] ) {
+            UnitAttackData data;
+            data.attacker = unit2->id;
+            data.defender = unit1->id;
+            data.wound = wound2->id;
+            
+            alreadyDone[data.attacker][data.defender] = 1;
+            for ( auto b = copy.begin(); b != copy.end(); b++ ) {
+                EventHandler handle = (*b).second;
+                handle.eventHandler(out, (void*)&data);
+            }
+        }
+        
+        if ( !wound1 && !wound2 ) {
+            if ( unit1->flags1.bits.dead || unit2->flags1.bits.dead )
+                continue;
+            if ( reportStr.find("severed part") )
+                continue;
+            if ( Once::doOnce("EventManager neither wound") ) {
+                out.print("%s, %d: neither wound: %s\n", __FILE__, __LINE__, reportStr.c_str());
+            }
+        }
+    }
+}
+

plugins/devel/eventExample.cpp

@@ -3,16 +3,24 @@
 #include "Core.h"
 #include "Export.h"
 #include "PluginManager.h"
-#include "modules/EventManager.h"
 #include "DataDefs.h"
+#include "VTableInterpose.h"
+
+#include "modules/EventManager.h"
 
+#include "df/body_part_raw.h"
+#include "df/caste_body_info.h"
 #include "df/construction.h"
 #include "df/coord.h"
 #include "df/item.h"
+#include "df/item_actual.h"
 #include "df/job.h"
+#include "df/unit.h"
+#include "df/unit_wound.h"
 #include "df/world.h"
 
 #include <vector>
+#include <set>
 
 using namespace DFHack;
 using namespace std;
@@ -28,6 +36,9 @@ void building(color_ostream& out, void* ptr);
 void construction(color_ostream& out, void* ptr);
 void syndrome(color_ostream& out, void* ptr);
 void invasion(color_ostream& out, void* ptr);
+void unitAttack(color_ostream& out, void* ptr);
+
+//bool interposed = false;
 
 command_result eventExample(color_ostream& out, vector<string>& parameters);
 
@@ -36,7 +47,30 @@ DFhackCExport command_result plugin_init(color_ostream &out, std::vector<PluginC
     return CR_OK;
 }
 
+/*
+//df::item::contaminateWound(df::unit*,df::unit_wound*,uint8_t,int16_t);
+struct my_contaminate : df::item_actual {
+    typedef df::item_actual interpose_base;
+    DEFINE_VMETHOD_INTERPOSE(void, contaminateWound, (df::unit* unit, df::unit_wound* wound, uint8_t unk1, int16_t unk2)) {
+        INTERPOSE_NEXT(contaminateWound)(unit,wound,unk1,unk2);
+        CoreSuspendClaimer suspend;
+        Core::getInstance().print("contaminateWound: item=%d, unit=%d, wound attacker = %d, unk1 = %d, unk2 = %d\n", this->id, unit->id, wound->unit_id, (int32_t)unk1, (int32_t)unk2);
+    }
+};
+
+IMPLEMENT_VMETHOD_INTERPOSE(my_contaminate, contaminateWound);
+*/
+
 command_result eventExample(color_ostream& out, vector<string>& parameters) {
+/*
+    if ( !interposed ) {
+        interposed = true;
+        if ( !INTERPOSE_HOOK(my_contaminate, contaminateWound).apply() ) {
+            out.print("Error: could not interpose contaminateWound.");
+        }
+    }
+*/
+    
     EventManager::EventHandler initiateHandler(jobInitiated, 1);
     EventManager::EventHandler completeHandler(jobCompleted, 0);
     EventManager::EventHandler timeHandler(timePassed, 1);
@@ -46,6 +80,7 @@ command_result eventExample(color_ostream& out, vector<string>& parameters) {
     EventManager::EventHandler constructionHandler(construction, 100);
     EventManager::EventHandler syndromeHandler(syndrome, 1);
     EventManager::EventHandler invasionHandler(invasion, 1000);
+    EventManager::EventHandler unitAttackHandler(unitAttack, 1);
     EventManager::unregisterAll(plugin_self);
     
     EventManager::registerListener(EventManager::EventType::JOB_INITIATED, initiateHandler, plugin_self);
@@ -56,6 +91,7 @@ command_result eventExample(color_ostream& out, vector<string>& parameters) {
     EventManager::registerListener(EventManager::EventType::CONSTRUCTION, constructionHandler, plugin_self);
     EventManager::registerListener(EventManager::EventType::SYNDROME, syndromeHandler, plugin_self);
     EventManager::registerListener(EventManager::EventType::INVASION, invasionHandler, plugin_self);
+    EventManager::registerListener(EventManager::EventType::UNIT_ATTACK, unitAttackHandler, plugin_self);
     EventManager::registerTick(timeHandler, 1, plugin_self);
     EventManager::registerTick(timeHandler, 2, plugin_self);
     EventManager::registerTick(timeHandler, 4, plugin_self);
@@ -135,3 +171,20 @@ void invasion(color_ostream& out, void* ptr) {
     out.print("New invasion! %d\n", (int32_t)ptr);
 }
 
+void unitAttack(color_ostream& out, void* ptr) {
+    EventManager::UnitAttackData* data = (EventManager::UnitAttackData*)ptr;
+    out.print("unit %d attacks unit %d\n", data->attacker, data->defender);
+    df::unit* defender = df::unit::find(data->defender);
+    int32_t woundIndex = df::unit_wound::binsearch_index(defender->body.wounds, data->wound);
+    df::unit_wound* wound = defender->body.wounds[woundIndex];
+    set<int32_t> parts;
+    for ( auto a = wound->parts.begin(); a != wound->parts.end(); a++ ) {
+        parts.insert((*a)->body_part_id);
+    }
+    for ( auto a = parts.begin(); a != parts.end(); a++ ) {
+        int32_t body_part_id = (*a);
+        df::body_part_raw* part = defender->body.body_plan->body_parts[body_part_id];
+        out.print(" %s\n", part->name_singular[0]->c_str());
+    }
+}
+

plugins/eventful.cpp

@@ -121,6 +121,7 @@ static void handle_constructions(color_ostream &out,df::construction*){};
 static void handle_syndrome(color_ostream &out,int32_t,int32_t){};
 static void handle_inventory_change(color_ostream& out,int32_t,int32_t,df::unit_inventory_item*,df::unit_inventory_item*){};
 static void handle_report(color_ostream& out,int32_t){};
+static void handle_unitAttack(color_ostream& out,int32_t,int32_t,int32_t){};
 DEFINE_LUA_EVENT_1(onBuildingCreatedDestroyed, handle_int32t, int32_t);
 DEFINE_LUA_EVENT_1(onJobInitiated,handle_job_init,df::job*);
 DEFINE_LUA_EVENT_1(onJobCompleted,handle_job_complete,df::job*);
@@ -131,6 +132,7 @@ DEFINE_LUA_EVENT_2(onSyndrome, handle_syndrome, int32_t,int32_t);
 DEFINE_LUA_EVENT_1(onInvasion,handle_int32t,int32_t);
 DEFINE_LUA_EVENT_4(onInventoryChange,handle_inventory_change,int32_t,int32_t,df::unit_inventory_item*,df::unit_inventory_item*);
 DEFINE_LUA_EVENT_1(onReport,handle_report,int32_t);
+DEFINE_LUA_EVENT_3(onUnitAttack,handle_unitAttack,int32_t,int32_t,int32_t)
 DFHACK_PLUGIN_LUA_EVENTS {
     DFHACK_LUA_EVENT(onWorkshopFillSidebarMenu),
     DFHACK_LUA_EVENT(postWorkshopFillSidebarMenu),
@@ -151,6 +153,7 @@ DFHACK_PLUGIN_LUA_EVENTS {
     DFHACK_LUA_EVENT(onInvasion),
     DFHACK_LUA_EVENT(onInventoryChange),
     DFHACK_LUA_EVENT(onReport),
+    DFHACK_LUA_EVENT(onUnitAttack),
     DFHACK_LUA_END
 };
 
@@ -214,6 +217,10 @@ static void ev_mng_inventory(color_ostream& out, void* ptr)
 static void ev_mng_report(color_ostream& out, void* ptr) {
     onReport(out,(int32_t)ptr);
 }
+static void ev_mng_unitAttack(color_ostream& out, void* ptr) {
+    EventManager::UnitAttackData* data = (EventManager::UnitAttackData*)ptr;
+    onUnitAttack(out,data->attacker,data->defender,data->wound);
+}
 std::vector<int> enabledEventManagerEvents(EventManager::EventType::EVENT_MAX,-1);
 typedef void (*handler_t) (color_ostream&,void*);
 static const handler_t eventHandlers[] = {
@@ -228,6 +235,7 @@ static const handler_t eventHandlers[] = {
  ev_mng_invasion,
  ev_mng_inventory,
  ev_mng_report,
+ ev_mng_unitAttack,
 };
 static void enableEvent(int evType,int freq)
 {

plugins/lua/eventful.lua

@@ -133,5 +133,5 @@ local function invertTable(tbl)
 	return ret
 end
 eventType=invertTable{[0]="TICK","JOB_INITIATED","JOB_COMPLETED","UNIT_DEATH","ITEM_CREATED",
-	"BUILDING","CONSTRUCTION","SYNDROME","INVASION","INVENTORY_CHANGE","REPORT","EVENT_MAX"}
+	"BUILDING","CONSTRUCTION","SYNDROME","INVASION","INVENTORY_CHANGE","REPORT","UNIT_ATTACK","EVENT_MAX"}
 return _ENV