Initial Implementation Of Replacable Limbs (CleverRaven#65505)

* Initial Implementation

* Styling

* handle mono legs

* CLANG appeasement

* clang appease

* de-auto

data/json/body_parts.json

@@ -109,6 +109,98 @@
     ],
     "sub_parts": [ "torso_upper", "torso_neck", "torso_lower", "torso_hanging_front", "torso_hanging_back", "torso_waist" ]
   },
+  {
+    "id": "big_head",
+    "type": "body_part",
+    "name": "big head",
+    "accusative": { "ctxt": "bodypart_accusative", "str": "head" },
+    "heading": "big head",
+    "heading_multiple": "big heads",
+    "hp_bar_ui_text": "HEAD",
+    "encumbrance_text": "Dodging and blocking is hampered.",
+    "encumbrance_threshold": 10,
+    "main_part": "big_head",
+    "connected_to": "big_head",
+    "opposite_part": "big_head",
+    "limb_type": "head",
+    "limb_scores": [ [ "reaction", 0.3 ] ],
+    "is_vital": true,
+    "hit_size": 4,
+    "hit_difficulty": 1.2,
+    "side": "both",
+    "grabbing_effect": "grabbing_head",
+    "stylish_bonus": 3,
+    "hot_morale_mod": 2,
+    "cold_morale_mod": 2,
+    "fire_warmth_bonus": 150,
+    "squeamish_penalty": 7,
+    "base_hp": 60,
+    "drench_capacity": 700,
+    "smash_message": "You smash the %s with a firm headbutt.",
+    "smash_efficiency": 0.25,
+    "bionic_slots": 18,
+    "flags": [ "LIMB_UPPER" ],
+    "sub_parts": [ "head_forehead", "head_crown", "head_nape", "head_throat", "head_ear_r", "head_ear_l" ],
+    "encumbrance_per_weight": [
+      { "weight": "1 mg", "encumbrance": 1 },
+      { "weight": "300 g", "encumbrance": 4 },
+      { "weight": "800 g", "encumbrance": 8 },
+      { "weight": "1300 g", "encumbrance": 20 },
+      { "weight": "1600 g", "encumbrance": 30 },
+      { "weight": "2200 g", "encumbrance": 50 },
+      { "weight": "5600 g", "encumbrance": 80 },
+      { "weight": "10000 g", "encumbrance": 160 }
+    ],
+    "effects_on_hit": [
+      {
+        "id": "bleed",
+        "dmg_type": "cut",
+        "dmg_threshold": 5,
+        "dmg_scale_increment": 2,
+        "duration": 60,
+        "duration_dmg_scaling": 30,
+        "max_duration": 960
+      },
+      {
+        "id": "bleed",
+        "dmg_type": "stab",
+        "dmg_threshold": 1,
+        "dmg_scale_increment": 1.5,
+        "duration": 60,
+        "duration_dmg_scaling": 60,
+        "max_duration": 1200
+      },
+      {
+        "id": "bleed",
+        "dmg_type": "bullet",
+        "dmg_threshold": 1,
+        "dmg_scale_increment": 1,
+        "duration": 60,
+        "duration_dmg_scaling": 60
+      },
+      {
+        "id": "stunned",
+        "dmg_type": "bash",
+        "dmg_threshold": 10,
+        "dmg_scale_increment": 5,
+        "chance": 10,
+        "chance_dmg_scaling": 10,
+        "duration": 1,
+        "duration_dmg_scaling": 0.5,
+        "max_duration": 4
+      },
+      {
+        "id": "stunned",
+        "dmg_threshold": 30,
+        "dmg_scale_increment": 10,
+        "chance": 10,
+        "chance_dmg_scaling": 10,
+        "duration": 1,
+        "duration_dmg_scaling": 0.5,
+        "max_duration": 4
+      }
+    ]
+  },
   {
     "id": "head",
     "type": "body_part",

data/json/enchantments.json

@@ -21,6 +21,12 @@
       { "lose": "hand_r" }
     ]
   },
+  {
+    "type": "enchantment",
+    "id": "ENCH_DEBUG_BIG_HEAD",
+    "condition": "ALWAYS",
+    "modified_bodyparts": [ { "lose": "head" }, { "gain": "big_head" } ]
+  },
   {
     "type": "enchantment",
     "id": "RM13",

data/json/mutations/mutations.json

@@ -8181,6 +8181,16 @@
     "enchantments": [ "ENCH_DEBUG_ONLY_HEAD" ],
     "debug": true
   },
+  {
+    "type": "mutation",
+    "id": "DEBUG_BIG_HEAD",
+    "name": { "str": "Debug Big Head" },
+    "points": 99,
+    "valid": false,
+    "description": "They said college what make me smart, this is a lot to lug around!",
+    "enchantments": [ "ENCH_DEBUG_BIG_HEAD" ],
+    "debug": true
+  },
   {
     "type": "mutation",
     "id": "DEBUG_NIGHTVISION",

src/creature.cpp

@@ -1992,7 +1992,7 @@ bool Creature::has_part( const bodypart_id &id ) const
 
 bodypart *Creature::get_part( const bodypart_id &id )
 {
-    auto found = body.find( id.id() );
+    auto found = body.find( get_part_id( id ).id() );
     if( found == body.end() ) {
         debugmsg( "Could not find bodypart %s in %s's body", id.id().c_str(), get_name() );
         return nullptr;
@@ -2002,7 +2002,7 @@ bodypart *Creature::get_part( const bodypart_id &id )
 
 const bodypart *Creature::get_part( const bodypart_id &id ) const
 {
-    auto found = body.find( id.id() );
+    auto found = body.find( get_part_id( id ).id() );
     if( found == body.end() ) {
         debugmsg( "Could not find bodypart %s in %s's body", id.id().c_str(), get_name() );
         return nullptr;
@@ -2045,6 +2045,40 @@ static void set_part_helper( Creature &c, const bodypart_id &id,
     }
 }
 
+bodypart_id Creature::get_part_id( const bodypart_id &id ) const
+{
+    auto found = body.find( id.id() );
+    if( found == body.end() ) {
+        // try to find an equivalent part in the body map
+        for( const std::pair<const bodypart_str_id, bodypart> &bp : body ) {
+            if( id->part_side == bp.first->part_side &&
+                id->primary_limb_type() == bp.first->primary_limb_type() ) {
+                return bp.first;
+            }
+        }
+
+        // try to find the next best thing
+        std::pair<bodypart_id, float> best = { body_part_bp_null, 0.0 };
+        for( const std::pair<const bodypart_str_id, bodypart> &bp : body ) {
+            for( const std::pair<const body_part_type::type, float> &mp : bp.first->limbtypes ) {
+                // if the secondary limb type matches and is better than the current
+                if( mp.first == id->primary_limb_type() && mp.second > best.second ) {
+                    // give an inflated bonus if the part sides match
+                    float bonus = id->part_side == bp.first->part_side ? 1.0 : 0.0;
+                    best = { bp.first, mp.second + bonus };
+                }
+            }
+        }
+
+        if( best.first == body_part_bp_null ) {
+            debugmsg( "Could not find equivalent bodypart id %s in %s's body", id.id().c_str(), get_name() );
+        }
+
+        return best.first;
+    }
+    return found->first;
+}
+
 int Creature::get_part_hp_cur( const bodypart_id &id ) const
 {
     return get_part_helper( *this, id, &bodypart::get_hp_cur );
@@ -2281,7 +2315,7 @@ bodypart_id Creature::get_random_body_part( bool main ) const
     return main ? part->main_part.id() : part;
 }
 
-static void sort_body_parts( std::vector<bodypart_id> &bps )
+static void sort_body_parts( std::vector<bodypart_id> &bps, const Creature *c )
 {
     // We want to dynamically sort the parts based on their connections as
     // defined in json.
@@ -2293,7 +2327,7 @@ static void sort_body_parts( std::vector<bodypart_id> &bps )
     std::unordered_map<bodypart_id, cata::flat_set<bodypart_id>> parts_connected_to;
     bodypart_id root_part;
     for( const bodypart_id &bp : bps ) {
-        bodypart_id conn = bp->connected_to;
+        bodypart_id conn = c->get_part_id( bp->connected_to );
         if( conn == bp ) {
             root_part = bp;
         } else {
@@ -2326,7 +2360,7 @@ static void sort_body_parts( std::vector<bodypart_id> &bps )
         parts_with_no_connections.erase( last );
         unaccounted_parts.erase( bp );
         topo_sorted_parts.push_back( bp );
-        bodypart_id conn = bp->connected_to;
+        bodypart_id conn = c->get_part_id( bp->connected_to );
         if( conn == bp ) {
             break;
         }
@@ -2410,7 +2444,7 @@ std::vector<bodypart_id> Creature::get_all_body_parts( get_body_part_flags flags
     }
 
     if( flags & get_body_part_flags::sorted ) {
-        sort_body_parts( all_bps );
+        sort_body_parts( all_bps, this );
     }
 
     return  all_bps;
@@ -2448,7 +2482,7 @@ std::vector<bodypart_id> Creature::get_all_body_parts_of_type(
     }
 
     if( flags & get_body_part_flags::sorted ) {
-        sort_body_parts( bodyparts );
+        sort_body_parts( bodyparts, this );
     }
 
     return bodyparts;

src/creature.h

@@ -766,6 +766,9 @@ class Creature : public viewer
         bodypart *get_part( const bodypart_id &id );
         const bodypart *get_part( const bodypart_id &id ) const;
 
+        // get the body part id that matches for the character
+        bodypart_id get_part_id( const bodypart_id &id ) const;
+
         int get_part_hp_cur( const bodypart_id &id ) const;
         int get_part_hp_max( const bodypart_id &id ) const;
 

src/widget.cpp

@@ -705,7 +705,11 @@ void widget::set_default_var_range( const avatar &ava )
         case widget_var::bp_hp:
             // HP for body part
             _var_min = 0;
-            _var_max = ava.get_part_hp_max( only_bp() );
+            if( ava.has_part( only_bp() ) ) {
+                _var_max = ava.get_part_hp_max( only_bp() );
+            } else {
+                _var_max = 0;
+            }
             break;
         case widget_var::bp_encumb:
             _var_min = 0;