Magic bionics

data/mods/Magiclysm/itemgroups/spellbooks.json

@@ -117,7 +117,7 @@
       [ "spell_scroll_obfuscated_body", 10 ],
       [ "spell_scroll_lava_bomb", 5 ],
       [ "spell_scroll_druidic_healing", 20 ],
-      [ "spell_scroll_overcharge_eyes", 50 ]
+      [ "bio_sneeze_beam", 50 ]
     ]
   },
   {

data/mods/Magiclysm/items/bionics.json

@@ -8,5 +8,33 @@
     "price": 450000,
     "weight": "500 g",
     "difficulty": 8
+  },
+  {
+    "type": "enchantment",
+    "id": "ench_bio_sneeze_beam",
+    "values": [ { "value": "MAX_MANA", "add": 500 } ]
+  },
+  {
+    "id": "bio_sneeze_beam",
+    "copy-from": "bionic_general",
+    "type": "BIONIC_ITEM",
+    "name": { "str": "Crystallized Mana Nose Replacement" },
+    "description": "A large gem made with crystallized mana and some other stabilizing metals.  Comes with a specially designed power pack (installed into the skull) that does not interfere with your mana ley lines.  WARNING: for Technomancer use only.  By using this spell you are waiving all liability of Frikken Laser Beams Inc.  and its subsidiaries.",
+    "price": 450000,
+    "weight": "750 g",
+    "volume": "177 ml",
+    "difficulty": 8
+  },
+  {
+    "id": "bio_sneeze_beam",
+    "type": "bionic",
+    "name": { "str": "Crystallized Mana Nose Replacement" },
+    "description": "A large gem made with crystallized mana and some other stabilizing metals.  Comes with a specially designed power pack (installed into the skull) that does not interfere with your mana ley lines.  WARNING: for Technomancer use only.  By using this spell you are waiving all liability of Frikken Laser Beams Inc.  and its subsidiaries.",
+    "occupied_bodyparts": [ [ "HEAD", 10 ], [ "MOUTH", 1 ] ],
+    "capacity": "500 kJ",
+    "learned_spells": { "overcharge_eyes": 4 },
+    "canceled_mutations": [ "EARTHSHAPER" ],
+    "enchantments": [ "ench_bio_sneeze_beam" ],
+    "flags": [ "BIONIC_SHOCKPROOF" ]
   }
 ]

data/mods/Magiclysm/items/spell_scrolls.json

@@ -743,7 +743,7 @@
     "copy-from": "spell_scroll",
     "id": "spell_scroll_overcharge_eyes",
     "//": "Technomancer spell",
-    "name": { "str": "Scroll of Overcharge", "str_pl": "Scrolls of Overcharge" },
+    "name": { "str": "Scroll of Optical Sneeze Beam", "str_pl": "Scrolls of Optical Sneeze Beam" },
     "description": "You overcharge your internal batteries to send a semi-directed beam from your face.",
     "use_action": { "type": "learn_spell", "spells": [ "overcharge_eyes" ] }
   },

doc/JSON_INFO.md

@@ -462,6 +462,7 @@ This section describes each json file and their contents. Each json has their ow
 | power_gen_emission          | (_optional_) `emit_id` of the field emitted by this bionic when it produces energy. Emit_ids are defined in `emit.json`.
 | stat_bonus                  | (_optional_) List of passive stat bonus. Stat are designated as follow: "DEX", "INT", "STR", "PER".
 | enchantments                | (_optional_) List of enchantments applied by this CBM (see MAGIC.md for instructions on enchantment. NB: enchantments are not necessarily magic.)
+| learned_spells              | (_optional_) Map of {spell:level} you gain when installing this CBM, and lose when you uninstall this CBM. Spell classes are automatically gained.
 
 ```C++
 {

src/bionics.cpp

@@ -2425,6 +2425,28 @@ void Character::add_bionic( const bionic_id &b )
         add_bionic( inc_bid );
     }
 
+    for( const std::pair<spell_id, int> spell_pair : b->learned_spells ) {
+        const spell_id learned_spell = spell_pair.first;
+        if( learned_spell->spell_class != trait_id( "NONE" ) ) {
+            const trait_id spell_class = learned_spell->spell_class;
+            // spells you learn from a bionic overwrite the opposite spell class.
+            // for best UX, include those spell classes in "canceled_mutations"
+            if( !has_trait( spell_class ) ) {
+                set_mutation( spell_class );
+                on_mutation_gain( spell_class );
+                add_msg_if_player( spell_class->desc() );
+            }
+        }
+        if( !magic.knows_spell( learned_spell ) ) {
+            magic.learn_spell( learned_spell, *this, true );
+        }
+        spell &known_spell = magic.get_spell( learned_spell );
+        // spells you learn from installing a bionic upgrade spells you know if they are the same
+        if( known_spell.get_level() < spell_pair.second ) {
+            known_spell.set_level( spell_pair.second );
+        }
+    }
+
     reset_encumbrance();
     recalc_sight_limits();
     if( !b->enchantments.empty() ) {
@@ -2435,6 +2457,8 @@ void Character::add_bionic( const bionic_id &b )
 void Character::remove_bionic( const bionic_id &b )
 {
     bionic_collection new_my_bionics;
+    // any spells you should not forget due to still having a bionic installed that has it.
+    std::set<spell_id> cbm_spells;
     for( bionic &i : *my_bionics ) {
         if( b == i.id ) {
             continue;
@@ -2445,8 +2469,20 @@ void Character::remove_bionic( const bionic_id &b )
             continue;
         }
 
+        for( const std::pair<spell_id, int> &spell_pair : i.id->learned_spells ) {
+            cbm_spells.emplace( spell_pair.first );
+        }
+
         new_my_bionics.push_back( bionic( i.id, i.invlet ) );
     }
+
+    // any spells you learn from installing a bionic you forget.
+    for( const std::pair<spell_id, int> &spell_pair : b->learned_spells ) {
+        if( cbm_spells.count( spell_pair.first ) == 0 ) {
+            magic.forget_spell( spell_pair.first );
+        }
+    }
+
     *my_bionics = new_my_bionics;
     reset_encumbrance();
     recalc_sight_limits();
@@ -2576,6 +2612,7 @@ void load_bionic( const JsonObject &jsobj )
     assign( jsobj, "coverage_power_gen_penalty", new_bionic.coverage_power_gen_penalty );
     assign( jsobj, "is_remote_fueled", new_bionic.is_remote_fueled );
 
+    assign( jsobj, "learned_spells", new_bionic.learned_spells );
     jsobj.read( "canceled_mutations", new_bionic.canceled_mutations );
     jsobj.read( "included_bionics", new_bionic.included_bionics );
     jsobj.read( "included", new_bionic.included );

src/bionics.h

@@ -130,6 +130,12 @@ struct bionic_data {
      * E.g. enhanced optic bionic may cancel HYPEROPIC trait.
      */
     std::vector<trait_id> canceled_mutations;
+
+    /**
+     * The spells you learn when you install this bionic, and what level you learn them at.
+     */
+    std::map<spell_id, int> learned_spells;
+
     /**
      * Additional bionics that are installed automatically when this
      * bionic is installed. This can be used to install several bionics

src/magic.cpp

@@ -598,6 +598,22 @@ void spell::gain_level()
     gain_exp( exp_to_next_level() );
 }
 
+void spell::gain_levels( int gains )
+{
+    if( gains < 1 ) {
+        return;
+    }
+    for( int gained = 0; gained < gains || is_max_level(); gained++ ) {
+        gain_level();
+    }
+}
+
+void spell::set_level( int nlevel )
+{
+    experience = 0;
+    gain_levels( nlevel );
+}
+
 bool spell::is_max_level() const
 {
     return get_level() >= type->max_level;

src/magic.h

@@ -321,6 +321,9 @@ class spell
         float exp_modifier( const Character &guy ) const;
         // level up!
         void gain_level();
+        // gains a number of levels, or until max. 0 or less just returns early.
+        void gain_levels( int gains );
+        void set_level( int nlevel );
         // is the spell at max level?
         bool is_max_level() const;
         // what is the max level of the spell