feat: Effects adding other effects on removal

data/json/effects.json

@@ -1268,25 +1268,34 @@
   {
     "type": "effect_type",
     "id": "adrenaline",
-    "name": [ "Adrenaline Comedown", "Adrenaline Rush" ],
-    "desc": [ "You feel completely drained.", "You feel the rush of adrenaline in your body!" ],
+    "name": [ "Adrenaline Rush" ],
+    "desc": [ "You feel the rush of adrenaline in your body!" ],
     "apply_message": "You feel a surge of adrenaline!",
     "rating": "good",
+    "removes_effects": [ "winded" ],
+    "max_duration": "5 m",
+    "base_mods": { "speed_mod": [ 20 ], "str_mod": [ 2 ], "dex_mod": [ 2 ], "int_mod": [ -8 ], "per_mod": [ 1 ], "stamina_min": [ 2 ] },
+    "blood_analysis_description": "Adrenaline Spike",
+    "effects_on_remove": [ { "allow_on_remove": true, "effect_type": "adrenaline_comedown", "duration": "1 m" } ]
+  },
+  {
+    "type": "effect_type",
+    "id": "adrenaline_comedown",
+    "name": [ "Adrenaline Comedown" ],
+    "desc": [ "You feel completely drained." ],
+    "apply_message": "Your adrenaline rush wears off.  You feel AWFUL!",
+    "rating": "bad",
     "decay_messages": [ [ "Your adrenaline rush wears off.  You feel AWFUL!", "bad" ] ],
     "miss_messages": [ [ "Your comedown throws you off.", 1 ] ],
-    "max_intensity": 2,
-    "int_dur_factor": "150 s",
-    "removes_effects": [ "winded" ],
+    "max_duration": "5 m",
     "base_mods": {
       "speed_mod": [ -10 ],
       "str_mod": [ -2 ],
       "dex_mod": [ -2 ],
       "int_mod": [ -1 ],
       "per_mod": [ -1 ],
       "stamina_min": [ -2 ]
-    },
-    "scaling_mods": { "speed_mod": [ 30 ], "str_mod": [ 4 ], "dex_mod": [ 4 ], "int_mod": [ -7 ], "per_mod": [ 2 ], "stamina_min": [ 4 ] },
-    "blood_analysis_description": "Adrenaline Spike"
+    }
   },
   {
     "type": "effect_type",

data/mods/TEST_DATA/effects.json

@@ -18,5 +18,25 @@
     "id": "test_high",
     "morale": "morale_test",
     "base_mods": { "morale": [ 25 ] }
+  },
+  {
+    "type": "effect_type",
+    "id": "test_juggling_l1",
+    "effects_on_remove": [ { "effect_type": "test_juggling_r1", "duration": "0 s", "body_part": "hand_r" } ]
+  },
+  {
+    "type": "effect_type",
+    "id": "test_juggling_r1",
+    "effects_on_remove": [ { "effect_type": "test_juggling_r2", "duration": "0 s", "body_part": "hand_r" } ]
+  },
+  {
+    "type": "effect_type",
+    "id": "test_juggling_r2",
+    "effects_on_remove": [ { "effect_type": "test_juggling_l2", "duration": "0 s", "body_part": "hand_l" } ]
+  },
+  {
+    "type": "effect_type",
+    "id": "test_juggling_l2",
+    "effects_on_remove": [ { "effect_type": "test_juggling_l1", "duration": "0 s" } ]
   }
 ]

doc/src/content/docs/en/mod/json/reference/creatures/effects_json.md

@@ -371,6 +371,31 @@ effect can hurt the player.
 Type of morale effect provided. Mandatory if there is a morale effect, must not be specified
 otherwise.
 
+### Other effects on removal
+
+```json
+"effects_on_remove": [
+    {
+        "intensity_requirement": 0, - Defaults to 0
+        "effect_type": "cold",      - (Mandatory) Effect that will be applied
+        "allow_on_decay": false,    - Defaults to true
+        "allow_on_remove" true,     - Defaults to false
+        "intensity": 5,             - Defaults to 0
+        "inherit_intensity": false, - Defaults to false
+        "duration": "10 s",         - Defaults to 0
+        "inherit_duration": true,   - Defaults to true
+        "body_part": "hand_r,       - Defaults to null
+        "inherit_body_part": false  - Defaults to true
+    }
+]
+```
+
+"intensity_requirement" will prevent adding the new effect if current effect has lower intensity.
+"allow_on_decay" enables adding the effect if parent decayed (was removed due to 0 duration).
+"allow_on_remove" enables adding the effect if parent was removed before 0 duration.
+"inherit_duration", "inherit_intensity" and "inherit_body_part" cause the relevant variable to be
+copied from parent effect.
+
 ### Effect effects
 
 ```json

src/bionics.cpp

@@ -774,6 +774,7 @@ bool Character::activate_bionic( bionic &bio, bool eff_only, bool *close_bionics
     } else if( bio.id == bio_blood_filter ) {
         add_msg_activate();
         static const std::vector<efftype_id> removable = {{
+                effect_adrenaline,
                 effect_fungus, effect_dermatik, effect_bloodworms,
                 effect_poison, effect_stung, effect_badpoison,
                 effect_pkill1, effect_pkill2, effect_pkill3, effect_pkill_l,
@@ -788,7 +789,6 @@ bool Character::activate_bionic( bionic &bio, bool eff_only, bool *close_bionics
             remove_effect( eff );
         }
         // Purging the substance won't remove the fatigue it caused
-        force_comedown( get_effect( effect_adrenaline ) );
         force_comedown( get_effect( effect_meth ) );
         set_painkiller( 0 );
         set_stim( 0 );
@@ -826,7 +826,7 @@ bool Character::activate_bionic( bionic &bio, bool eff_only, bool *close_bionics
             return false;
         } else {
             add_msg_activate();
-            add_effect( effect_adrenaline, 20_minutes );
+            add_effect( effect_adrenaline, 3_minutes );
         }
     } else if( bio.id == bio_emp ) {
         if( const std::optional<tripoint> pnt = choose_adjacent( _( "Create an EMP where?" ) ) ) {

src/character.cpp

@@ -1140,7 +1140,7 @@ void Character::set_pain( int npain )
 
 int Character::get_perceived_pain() const
 {
-    if( get_effect_int( effect_adrenaline ) > 1 ) {
+    if( has_effect( effect_adrenaline ) ) {
         return 0;
     }
 
@@ -5514,10 +5514,6 @@ void Character::check_needs_extremes()
         }
         g->events().send<event_type::dies_from_drug_overdose>( getID(), effect_jetinjector );
         set_part_hp_cur( bodypart_id( "torso" ), 0 );
-    } else if( get_effect_dur( effect_adrenaline ) > 50_minutes ) {
-        add_msg_if_player( m_bad, _( "Your heart spasms and stops." ) );
-        g->events().send<event_type::dies_from_drug_overdose>( getID(), effect_adrenaline );
-        set_part_hp_cur( bodypart_id( "torso" ), 0 );
     } else if( get_effect_int( effect_drunk ) > 4 ) {
         add_msg_if_player( m_bad, _( "Your breathing slows down to a stop." ) );
         g->events().send<event_type::dies_from_drug_overdose>( getID(), effect_drunk );
@@ -9205,7 +9201,7 @@ void Character::on_hurt( Creature *source, bool disturb /*= true*/ )
     if( has_trait( trait_ADRENALINE ) && !has_effect( effect_adrenaline ) &&
         ( get_part_hp_cur( bodypart_id( "head" ) ) < 25 ||
           get_part_hp_cur( bodypart_id( "torso" ) ) < 15 ) ) {
-        add_effect( effect_adrenaline, 20_minutes );
+        add_effect( effect_adrenaline, 3_minutes );
     }
 
     if( disturb ) {
@@ -10451,7 +10447,7 @@ void Character::on_item_takeoff( const item &it )
 void Character::on_effect_int_change( const efftype_id &effect_type, int intensity,
                                       const bodypart_str_id &bp )
 {
-    // Adrenaline can reduce perceived pain (or increase it when you enter comedown).
+    // Adrenaline can reduce perceived pain (or increase it when it times out).
     // See @ref get_perceived_pain()
     if( effect_type == effect_adrenaline ) {
         // Note that calling this does no harm if it wasn't changed.

src/creature.cpp

@@ -1361,31 +1361,44 @@ int Creature::get_effect_int( const efftype_id &eff_id, body_part bp ) const
 
     return 0;
 }
+
+struct removed_effect {
+    public:
+        removed_effect( efftype_id type, bodypart_str_id bp, bool is_decayed ) :
+            type( type ), bp( bp ), is_decayed( is_decayed )
+        {}
+        efftype_id type;
+        bodypart_str_id bp;
+        bool is_decayed;
+};
+
 void Creature::process_effects()
 {
     process_effects_internal();
 
     // id's and body_part's of all effects to be removed. If we ever get player or
     // monster specific removals these will need to be moved down to that level and then
     // passed in to this function.
-    std::vector<std::pair<efftype_id, bodypart_str_id>> to_remove;
+    std::vector<removed_effect> to_remove;
+
+    std::vector<effect> to_add;
 
     // Decay/removal of effects
     for( auto &elem : *effects ) {
         for( auto &_it : elem.second ) {
             if( _it.second.is_removed() ) {
-                to_remove.emplace_back( elem.first, _it.first );
+                to_remove.emplace_back( elem.first, _it.first, false );
                 continue;
             }
             // Add any effects that others remove to the removal list
             for( const efftype_id &removed_effect : _it.second.get_removes_effects() ) {
-                to_remove.emplace_back( removed_effect, bodypart_str_id::NULL_ID() );
+                to_remove.emplace_back( removed_effect, bodypart_str_id::NULL_ID(), false );
             }
             effect &e = _it.second;
             const int prev_int = e.get_intensity();
             // Run decay effects, marking effects for removal as necessary.
             if( e.decay( calendar::turn, is_player() ) ) {
-                to_remove.emplace_back( elem.first, _it.first );
+                to_remove.emplace_back( elem.first, _it.first, true );
             }
 
             if( e.get_intensity() != prev_int && e.get_duration() > 0_turns ) {
@@ -1395,21 +1408,47 @@ void Creature::process_effects()
     }
 
     // Run the on-remove effects
-    for( const std::pair<efftype_id, bodypart_str_id> &r : to_remove ) {
-        remove_effect( r.first, r.second );
+    for( const removed_effect &r : to_remove ) {
+        const auto &add_after = r.type->get_effects_on_remove();
+        if( !add_after.empty() ) {
+            bool found = false;
+            // Copypasted from get_effect, but without check for `removed` flag
+            auto got_outer = effects->find( r.type );
+            if( got_outer != effects->end() ) {
+                auto got_inner = got_outer->second.find( convert_bp( r.bp->token ) );
+                if( got_inner != got_outer->second.end() ) {
+                    const auto &parent = got_inner->second;
+                    const auto &decay_effects = r.is_decayed ?
+                                                parent.create_decay_effects() :
+                                                parent.create_removal_effects();
+                    to_add.insert( to_add.end(), decay_effects.begin(), decay_effects.end() );
+                    found = true;
+                }
+            }
+
+            if( !found ) {
+                debugmsg( "Couldn't find effect to remove %s", r.type.str() );
+            }
+        }
+
+        remove_effect( r.type, r.bp );
     }
     // Actually remove effects. This should be the last thing done in process_effects().
-    for( const std::pair<efftype_id, bodypart_str_id> &r : to_remove ) {
-        if( !r.second ) {
-            effects->erase( r.first );
+    for( const removed_effect &r : to_remove ) {
+        if( !r.bp ) {
+            effects->erase( r.type );
         } else {
-            ( *effects )[r.first].erase( r.second );
+            ( *effects )[r.type].erase( r.bp );
             // If there are no more effects of a given type remove the type map
-            if( ( *effects )[r.first].empty() ) {
-                effects->erase( r.first );
+            if( ( *effects )[r.type].empty() ) {
+                effects->erase( r.type );
             }
         }
     }
+
+    for( const effect &eff : to_add ) {
+        add_effect( eff );
+    }
 }
 
 bool Creature::resists_effect( const effect &e ) const

src/effect.cpp

@@ -1420,6 +1420,14 @@ void load_effect_type( const JsonObject &jo )
         }
     }
 
+    if( jo.has_array( "effects_on_remove" ) ) {
+        JsonArray jarr = jo.get_array( "effects_on_remove" );
+        for( JsonObject jo_decay : jarr ) {
+            new_etype.effects_on_remove.emplace_back();
+            new_etype.effects_on_remove.back().load_decay( jo_decay );
+        }
+    }
+
     effect_types[new_etype.id] = new_etype;
 }
 
@@ -1515,3 +1523,70 @@ std::string texitify_healing_power( const int power )
     }
     return "";
 }
+
+void caused_effect::load_decay( const JsonObject &jo )
+{
+    assign( jo, "allow_on_decay", allow_on_decay );
+    assign( jo, "allow_on_remove", allow_on_remove );
+    load( jo );
+}
+
+void caused_effect::load( const JsonObject &jo )
+{
+    assign( jo, "effect_type", type );
+    assign( jo, "intensity_requirement", intensity_requirement );
+
+    if( assign( jo, "duration", duration ) ) {
+        // In case of copy-from
+        inherit_duration = false;
+    }
+    assign( jo, "inherit_duration", inherit_duration );
+    if( jo.has_member( "duration" ) && jo.has_member( "inherit_duration" ) ) {
+        jo.throw_error( R"("duration" and "inherit_duration" can't both be set at the same time.)" );
+    }
+
+    if( assign( jo, "intensity", intensity ) ) {
+        inherit_intensity = false;
+    }
+    assign( jo, "inherit_intensity", inherit_intensity );
+    if( jo.has_member( "intensity" ) && jo.has_member( "inherit_intensity" ) ) {
+        jo.throw_error( R"("intensity" and "inherit_intensity" can't both be set at the same time.)" );
+    }
+
+    if( assign( jo, "body_part", bp ) ) {
+        inherit_body_part = false;
+    }
+    assign( jo, "inherit_body_part", inherit_body_part );
+    if( jo.has_member( "intensity" ) && jo.has_member( "inherit_intensity" ) ) {
+        jo.throw_error( R"("body_part" and "inherit_body_part" can't both be set at the same time.)" );
+    }
+}
+
+std::vector<effect> effect::create_decay_effects() const
+{
+    return create_child_effects( true );
+}
+
+std::vector<effect> effect::create_removal_effects() const
+{
+    return create_child_effects( false );
+}
+
+std::vector<effect> effect::create_child_effects( bool decay ) const
+{
+    std::vector<effect> ret;
+    for( const auto &new_effect : eff_type->effects_on_remove ) {
+        if( this->intensity < new_effect.intensity_requirement ||
+            ( decay && !new_effect.allow_on_decay ) ||
+            ( !decay && !new_effect.allow_on_remove ) ) {
+            continue;
+        }
+        const effect_type *new_effect_type = &*new_effect.type;
+        time_duration dur = new_effect.inherit_duration ? this->duration : new_effect.duration;
+        int intensity = new_effect.inherit_intensity ? this->intensity : new_effect.intensity;
+        bodypart_str_id bp = new_effect.inherit_body_part ? convert_bp( this->bp ) : new_effect.bp;
+        effect e = effect( new_effect_type, dur, bp, intensity, calendar::turn );
+        ret.emplace_back( e );
+    }
+    return ret;
+}