Replace hardcoded water terrain checks with flags

data/json/furniture_and_terrain/terrain-liquids.json

@@ -7,7 +7,7 @@
     "symbol": "~",
     "color": "light_blue",
     "move_cost": 5,
-    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "FISHABLE" ],
+    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "FISHABLE", "SHALLOW_WATER" ],
     "connects_to": "WATER",
     "examine_action": "water_source"
   },
@@ -22,7 +22,7 @@
     "color": "light_blue",
     "move_cost": 5,
     "roof": "t_rock_roof",
-    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "FISHABLE", "INDOORS" ],
+    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "FISHABLE", "INDOORS", "SHALLOW_WATER" ],
     "connects_to": "WATER",
     "examine_action": "water_source"
   },
@@ -63,7 +63,7 @@
     "color": "light_blue",
     "looks_like": "t_water_sh",
     "move_cost": 5,
-    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "FISHABLE" ],
+    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "FISHABLE", "SHALLOW_WATER" ],
     "connects_to": "WATER",
     "examine_action": "water_source"
   },
@@ -78,7 +78,7 @@
     "looks_like": "t_water_sh",
     "move_cost": 5,
     "roof": "t_rock_roof",
-    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "FISHABLE", "INDOORS" ],
+    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "FISHABLE", "INDOORS", "SHALLOW_WATER" ],
     "connects_to": "WATER",
     "examine_action": "water_source"
   },
@@ -91,7 +91,7 @@
     "symbol": "~",
     "color": "light_blue",
     "move_cost": 6,
-    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "FISHABLE", "CURRENT" ],
+    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "FISHABLE", "CURRENT", "SHALLOW_WATER" ],
     "connects_to": "WATER",
     "examine_action": "water_source"
   },
@@ -106,7 +106,7 @@
     "color": "light_blue",
     "move_cost": 6,
     "roof": "t_rock_roof",
-    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "FISHABLE", "CURRENT", "INDOORS" ],
+    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "FISHABLE", "CURRENT", "INDOORS", "SHALLOW_WATER" ],
     "connects_to": "WATER",
     "examine_action": "water_source"
   },
@@ -147,7 +147,7 @@
     "looks_like": "t_water_sh",
     "color": "light_blue",
     "move_cost": 5,
-    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "SALT_WATER", "FISHABLE" ],
+    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "SALT_WATER", "FISHABLE", "SHALLOW_WATER" ],
     "connects_to": "WATER",
     "examine_action": "water_source"
   },
@@ -162,7 +162,7 @@
     "looks_like": "t_swater_sh",
     "move_cost": 5,
     "roof": "t_rock_roof",
-    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "SALT_WATER", "FISHABLE", "INDOORS" ],
+    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "SALT_WATER", "FISHABLE", "INDOORS", "SHALLOW_WATER" ],
     "connects_to": "WATER",
     "examine_action": "water_source"
   },
@@ -175,7 +175,7 @@
     "looks_like": "t_water_dp",
     "color": "blue",
     "move_cost": 8,
-    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "SALT_WATER", "DEEP_WATER", "FISHABLE" ],
+    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "SALT_WATER", "DEEP_WATER", "FISHABLE", "SHALLOW_WATER" ],
     "connects_to": "WATER",
     "examine_action": "water_source"
   },
@@ -215,7 +215,7 @@
     "looks_like": "t_water_pool",
     "color": "light_blue",
     "move_cost": 5,
-    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "INDOORS" ],
+    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "INDOORS", "SHALLOW_WATER" ],
     "examine_action": "water_source"
   },
   {
@@ -239,7 +239,7 @@
     "looks_like": "t_water_pool",
     "color": "light_blue",
     "move_cost": 5,
-    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE" ],
+    "flags": [ "TRANSPARENT", "LIQUID", "NO_SCENT", "SWIMMABLE", "SHALLOW_WATER" ],
     "examine_action": "water_source"
   },
   {
@@ -251,7 +251,7 @@
     "looks_like": "t_water_murky",
     "color": "light_green",
     "move_cost": 6,
-    "flags": [ "TRANSPARENT", "SWIMMABLE" ],
+    "flags": [ "TRANSPARENT", "SWIMMABLE", "SHALLOW_WATER" ],
     "examine_action": "water_source"
   },
   {

doc/JSON_FLAGS.md

@@ -528,7 +528,7 @@ List of known flags, used in both `terrain.json` and `furniture.json`.
 - ```CONSOLE``` Used as a computer.
 - ```CONTAINER``` Items on this square are hidden until looted by the player.
 - ```DECONSTRUCT``` Can be deconstructed.
-- ```DEEP_WATER```
+- ```DEEP_WATER``` This is water that can submerge the player
 - ```DESTROY_ITEM``` Items that land here are destroyed. See also `NOITEM`
 - ```DIFFICULT_Z``` Most zombies will not be able to follow you up this terrain ( i.e a ladder )
 - ```DIGGABLE_CAN_DEEPEN``` Diggable location can be dug again to make deeper (e.g. shallow pit to deep pit).
@@ -581,6 +581,7 @@ List of known flags, used in both `terrain.json` and `furniture.json`.
 - ```SALT_WATER``` Source of salt water (works for terrains with examine action "water_source").
 - ```SEALED``` Can't use <kbd>e</kbd> to retrieve items; must smash them open first.
 - ```SEEN_FROM_ABOVE``` Visible from a higher level (provided the tile above has no floor)
+- ```SHALLOW_WATER``` This is water that is not deep enough to submerge the player.
 - ```SHARP``` May do minor damage to players/monsters passing through it.
 - ```SHORT``` Feature too short to collide with vehicle protrusions. (mirrors, blades).
 - ```SIGN``` Show written message on examine.

src/advanced_inv_area.cpp

@@ -171,14 +171,7 @@ void advanced_inv_area::init()
     }
 
     // water?
-    static const std::array<ter_id, 8> ter_water = {
-        {t_water_dp, t_water_pool, t_swater_dp, t_water_sh, t_swater_sh, t_sewage, t_water_moving_dp, t_water_moving_sh }
-    };
-    auto ter_check = [this]
-    ( const ter_id & id ) {
-        return g->m.ter( this->pos ) == id;
-    };
-    if( std::any_of( ter_water.begin(), ter_water.end(), ter_check ) ) {
+    if( g->m.has_flag_ter( TFLAG_SHALLOW_WATER, pos ) || g->m.has_flag_ter( TFLAG_DEEP_WATER, pos ) ) {
         flags.append( _( " WATER" ) );
     }
 

src/character.cpp

@@ -5328,14 +5328,15 @@ void Character::update_bodytemp()
                                                      sheltered ),
                                              bp_windpower );
         // If you're standing in water, air temperature is replaced by water temperature. No wind.
-        const ter_id ter_at_pos = g->m.ter( pos() );
         // Convert to 0.01C
-        if( ( ter_at_pos == t_water_dp || ter_at_pos == t_water_pool || ter_at_pos == t_swater_dp ||
-              ter_at_pos == t_water_moving_dp ) ||
-            ( ( ter_at_pos == t_water_sh || ter_at_pos == t_swater_sh || ter_at_pos == t_sewage ||
-                ter_at_pos == t_water_moving_sh ) &&
-              ( bp == bodypart_id( "foot_l" ) || bp == bodypart_id( "foot_r" ) || bp == bodypart_id( "leg_l" ) ||
-                bp == bodypart_id( "leg_r" ) ) ) ) {
+        static const std::set<bodypart_id> lowers {
+            bodypart_id( "foot_l" ),
+            bodypart_id( "foot_r" ),
+            bodypart_id( "leg_l" ),
+            bodypart_id( "leg_r" )
+        };
+        if( g->m.has_flag_ter( TFLAG_DEEP_WATER, pos() ) ||
+            ( g->m.has_flag_ter( TFLAG_SHALLOW_WATER, pos() ) && lowers.count( bp ) ) ) {
             adjusted_temp += water_temperature - Ctemperature; // Swap out air temp for water temp.
             windchill = 0;
         }

src/construction.cpp

@@ -1325,12 +1325,8 @@ void construct::done_mine_upstair( const tripoint &p )
         return;
     }
 
-    static const std::set<ter_id> liquids = {{
-            t_water_sh, t_sewage, t_water_dp, t_water_pool, t_water_moving_sh, t_water_moving_dp,
-        }
-    };
-
-    if( liquids.count( tmpmap.ter( local_tmp ) ) > 0 ) {
+    if( tmpmap.has_flag_ter( TFLAG_SHALLOW_WATER, local_tmp ) ||
+        tmpmap.has_flag_ter( TFLAG_DEEP_WATER, local_tmp ) ) {
         g->m.ter_set( p.xy(), t_rock_floor ); // You dug a bit before discovering the problem
         add_msg( m_warning, _( "The rock above is rather damp.  You decide *not* to mine water." ) );
         unroll_digging( 12 );

src/map.cpp

@@ -1186,7 +1186,7 @@ bool map::displace_vehicle( vehicle &veh, const tripoint &dp )
 bool map::displace_water( const tripoint &p )
 {
     // Check for shallow water
-    if( has_flag( "SWIMMABLE", p ) && !has_flag( TFLAG_DEEP_WATER, p ) ) {
+    if( has_flag_ter( TFLAG_SHALLOW_WATER, p ) ) {
         int dis_places = 0;
         int sel_place = 0;
         for( int pass = 0; pass < 2; pass++ ) {
@@ -1203,9 +1203,7 @@ bool map::displace_water( const tripoint &p )
                     || has_flag( TFLAG_DEEP_WATER, temp ) ) {
                     continue;
                 }
-                ter_id ter0 = ter( temp );
-                if( ter0 == t_water_sh ||
-                    ter0 == t_water_dp || ter0 == t_water_moving_sh || ter0 == t_water_moving_dp ) {
+                if( has_flag_ter( TFLAG_SHALLOW_WATER, p ) || has_flag_ter( TFLAG_DEEP_WATER, p ) ) {
                     continue;
                 }
                 if( pass != 0 && dis_places == sel_place ) {

src/mapdata.cpp

@@ -160,6 +160,7 @@ static const std::unordered_map<std::string, ter_bitflags> ter_bitflags_map = {
         { "WALL",                     TFLAG_WALL },           // connects to other walls
         { "NO_SCENT",                 TFLAG_NO_SCENT },       // cannot have scent values, which prevents scent diffusion through this tile
         { "DEEP_WATER",               TFLAG_DEEP_WATER },     // Deep enough to submerge things
+        { "SHALLOW_WATER",            TFLAG_SHALLOW_WATER },  // Water, but not deep enough to submerge the player
         { "CURRENT",                  TFLAG_CURRENT },        // Water is flowing.
         { "HARVESTED",                TFLAG_HARVESTED },      // harvested.  will not bear fruit.
         { "PERMEABLE",                TFLAG_PERMEABLE },      // gases can flow through.

src/mapdata.h

@@ -186,6 +186,7 @@ enum ter_bitflags : int {
     TFLAG_UNSTABLE,
     TFLAG_WALL,
     TFLAG_DEEP_WATER,
+    TFLAG_SHALLOW_WATER,
     TFLAG_CURRENT,
     TFLAG_HARVESTED,
     TFLAG_PERMEABLE,

src/sounds.cpp

@@ -1388,16 +1388,6 @@ void sfx::do_footstep()
             ter_str_id( "t_machinery_old" ),
             ter_str_id( "t_machinery_electronic" ),
         };
-        static const std::set<ter_str_id> water = {
-            ter_str_id( "t_water_moving_sh" ),
-            ter_str_id( "t_water_moving_dp" ),
-            ter_str_id( "t_water_sh" ),
-            ter_str_id( "t_water_dp" ),
-            ter_str_id( "t_swater_sh" ),
-            ter_str_id( "t_swater_dp" ),
-            ter_str_id( "t_water_pool" ),
-            ter_str_id( "t_sewage" ),
-        };
         static const std::set<ter_str_id> chain_fence = {
             ter_str_id( "t_chainfence" ),
         };
@@ -1421,7 +1411,7 @@ void sfx::do_footstep()
             play_variant_sound( "plmove", "walk_metal", heard_volume, 0, 0.8, 1.2 );
             start_sfx_timestamp = std::chrono::high_resolution_clock::now();
             return;
-        } else if( water.count( terrain ) > 0 ) {
+        } else if( terrain->has_flag( TFLAG_DEEP_WATER ) || terrain->has_flag( TFLAG_SHALLOW_WATER ) ) {
             play_variant_sound( "plmove", "walk_water", heard_volume, 0, 0.8, 1.2 );
             start_sfx_timestamp = std::chrono::high_resolution_clock::now();
             return;
@@ -1440,20 +1430,10 @@ void sfx::do_footstep()
 void sfx::do_obstacle( const std::string &obst )
 {
     int heard_volume = sfx::get_heard_volume( g->u.pos() );
-    //const auto terrain = g->m.ter( g->u.pos() ).id();
-    static const std::set<std::string> water = {
-        "t_water_sh",
-        "t_water_dp",
-        "t_water_moving_sh",
-        "t_water_moving_dp",
-        "t_swater_sh",
-        "t_swater_dp",
-        "t_water_pool",
-        "t_sewage",
-    };
     if( sfx::has_variant_sound( "plmove", obst ) ) {
         play_variant_sound( "plmove", obst, heard_volume, 0, 0.8, 1.2 );
-    } else if( water.count( obst ) > 0 ) {
+    } else if( ter_id( obst )->has_flag( TFLAG_SHALLOW_WATER ) ||
+               ter_id( obst )->has_flag( TFLAG_DEEP_WATER ) ) {
         play_variant_sound( "plmove", "walk_water", heard_volume, 0, 0.8, 1.2 );
     } else {
         play_variant_sound( "plmove", "clear_obstacle", heard_volume, 0, 0.8, 1.2 );