8 files changed, 216 insertions, 8 deletions
diff --git a/src/struct/attributes.erl b/src/struct/attributes.erl
index 022cad2..bb68032 100644
--- a/src/struct/attributes.erl
+++ b/src/struct/attributes.erl
@@ -39,6 +39,14 @@
    ]
 ).
 
+%%%% Accessors
+-export
+(
+   [
+      random/0
+   ]
+).
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -66,3 +74,14 @@ set_speed (Val, Att) ->
    Att#attributes{ speed = Val }.
 set_strength (Val, Att) ->
    Att#attributes{ strength = Val }.
+
+random () ->
+   #attributes
+   {
+      constitution = roll:percentage(),
+      dexterity = roll:percentage(),
+      intelligence = roll:percentage(),
+      mind = roll:percentage(),
+      speed = roll:percentage(),
+      strength = roll:percentage()
+   }.
diff --git a/src/struct/battlemap.erl b/src/struct/battlemap.erl
index b0eb5fb..b999436 100644
--- a/src/struct/battlemap.erl
+++ b/src/struct/battlemap.erl
@@ -27,9 +27,28 @@
       get_tile_ids/1
    ]
 ).
+
+-export
+(
+   [
+      random/3
+   ]
+).
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+generate_random_tile_ids (_PreviousTileID, Result, _X, 0, _Width) ->
+   Result;
+generate_random_tile_ids (PreviousTileID, Result, 0, Y, Width) ->
+   generate_random_tile_ids(PreviousTileID, Result, Width, (Y - 1), Width);
+generate_random_tile_ids (PreviousTileID, Result, X, Y, Width) ->
+   NewTile =
+      case roll:percentage() of
+         N when (N >= 10) -> PreviousTileID;
+         _ -> tile:random_id()
+      end,
+   generate_random_tile_ids(NewTile, [NewTile|Result], (X - 1), Y, Width).
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -39,3 +58,15 @@ get_id (Battlemap) -> Battlemap#battlemap.id.
 get_width (Battlemap) -> Battlemap#battlemap.width.
 get_height (Battlemap) -> Battlemap#battlemap.height.
 get_tile_ids (Battlemap) -> Battlemap#battlemap.tile_ids.
+
+random (ID, Width, Height) ->
+   InitialTile = tile:random_id(),
+   TileIDs = generate_random_tile_ids(InitialTile, [], Width, Height, Width),
+
+   #battlemap
+   {
+      id = ID,
+      width = Width,
+      height = Height,
+      tile_ids = TileIDs
+   }.
diff --git a/src/struct/battlemap_instance.erl b/src/struct/battlemap_instance.erl
index 9a57d09..d031ccd 100644
--- a/src/struct/battlemap_instance.erl
+++ b/src/struct/battlemap_instance.erl
@@ -38,6 +38,13 @@
    ]
 ).
 
+-export
+(
+   [
+      random/4
+   ]
+).
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -92,3 +99,38 @@ set_last_turns_effects (Effects, BattlemapInstance) ->
    {
       last_turns_effects = Effects
    }.
+
+random (ID, PlayersAsList, Battlemap, Characters) ->
+   BattlemapWidth = battlemap:get_width(Battlemap),
+   BattlemapHeight = battlemap:get_height(Battlemap),
+   CharacterInstancesAsList =
+      lists:mapfoldl
+      (
+         fun (Character, ForbiddenLocations) ->
+            NewCharacterInstance =
+               character_instance:random
+               (
+                  Character,
+                  BattlemapWidth,
+                  BattlemapHeight,
+                  ForbiddenLocations
+               ),
+            NewCharacterInstanceLocation =
+               character_instance:get_location(NewCharacterInstance),
+            {
+               NewCharacterInstance,
+               [NewCharacterInstanceLocation|ForbiddenLocations]
+            }
+         end,
+         Characters
+      ),
+
+   #battlemap_instance
+   {
+      id = ID,
+      battlemap = Battlemap,
+      character_instances = array:from_list(CharacterInstancesAsList),
+      players = array:from_list(PlayersAsList),
+      current_player_turn = player_turn:new(0, 0),
+      last_turns_effects = []
+   }.
diff --git a/src/struct/character.erl b/src/struct/character.erl
index 0459214..90e449c 100644
--- a/src/struct/character.erl
+++ b/src/struct/character.erl
@@ -41,6 +41,13 @@
    ]
 ).
 
+-export
+(
+   [
+      random/2
+   ]
+).
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -71,3 +78,23 @@ set_statistics (Stats, Char) ->
    {
       statistics = Stats
    }.
+
+random (ID, OwnerID) ->
+   WeaponIDs = {weapon:random_id(), weapon:random_id()},
+   Attributes = attributes:random(),
+   Statistics = statistics:new(Attributes, WeaponIDs),
+   IDAsListString = integer_to_list(ID),
+   IDAsBinaryString = list_to_binary(IDAsListString),
+
+   #character
+   {
+      id = ID,
+      owner_id = OwnerID,
+      name = list_to_binary("Char" ++ IDAsListString),
+      icon = IDAsBinaryString,
+      portrait = IDAsBinaryString,
+      attributes = Attributes,
+      weapon_ids = WeaponIDs,
+      glyphs = [],
+      statistics = Statistics
+   }.
diff --git a/src/struct/character_instance.erl b/src/struct/character_instance.erl
index c530424..e736a4c 100644
--- a/src/struct/character_instance.erl
+++ b/src/struct/character_instance.erl
@@ -20,7 +20,8 @@
 -export
 (
    [
-      new/2
+      new/2,
+      random/4
    ]
 ).
 
@@ -43,6 +44,23 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+find_random_location (BattlemapWidth, BattlemapHeight, ForbiddenLocations) ->
+   X = roll:between(0, (BattlemapWidth - 1)),
+   Y = roll:between(0, (BattlemapHeight - 1)),
+
+   IsForbidden = lists:member({X, Y}, ForbiddenLocations),
+
+   case IsForbidden of
+      true ->
+         find_random_location
+         (
+            BattlemapWidth,
+            BattlemapHeight,
+            ForbiddenLocations
+         );
+
+      _ -> {X, Y}
+   end.
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -83,12 +101,19 @@ set_is_active (Active, CharInst) ->
    }.
 
 %%%% Utils
-new (Char, Location) ->
-   Stats = character:get_statistics(Char),
+new (Character, Location) ->
+   CharacterStatistics = character:get_statistics(Character),
    #character_instance
    {
-      character = Char,
+      character = Character,
       location = Location,
-      current_health = statistics:get_health(Stats),
+      current_health = statistics:get_health(CharacterStatistics),
       active = false
    }.
+
+random (Character, BattlemapWidth, BattlemapHeight, ForbiddenLocations) ->
+   new
+   (
+      Character,
+      find_random_location(BattlemapWidth, BattlemapHeight, ForbiddenLocations)
+   ).
diff --git a/src/struct/statistics.erl b/src/struct/statistics.erl
index f5a4650..f8797bb 100644
--- a/src/struct/statistics.erl
+++ b/src/struct/statistics.erl
@@ -110,7 +110,7 @@ new (BaseAttributes, WeaponIDs) ->
    {ActiveWeaponID, _} = WeaponIDs,
    ActiveWeapon = weapon:from_id(ActiveWeaponID),
    {MinDamage, MaxDamage} = weapon:get_damages(ActiveWeapon),
-   Attributes = weapon:apply_to_attributes(ActiveWeapon, BaseAttributes),
+   Attributes = weapon:apply_to_attributes(BaseAttributes, ActiveWeapon),
    Constitution = attributes:get_constitution(Attributes),
    Dexterity = attributes:get_dexterity(Attributes),
    Intelligence = attributes:get_intelligence(Attributes),
diff --git a/src/struct/tile.erl b/src/struct/tile.erl
new file mode 100644
index 0000000..05da3ec
--- /dev/null
+++ b/src/struct/tile.erl
@@ -0,0 +1,41 @@
+-module(tile).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% TYPES %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% EXPORTS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-export
+(
+   [
+      get_cost/1,
+      cost_when_oob/0
+   ]
+).
+
+-export
+(
+   [
+      random_id/0
+   ]
+).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% LOCAL FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% EXPORTED FUNCTIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+cost_when_oob () -> 255.
+
+get_cost (N) ->
+   if
+      (N =< 200) -> (N + 8);
+      true -> cost_when_oob()
+   end.
+
+random_id () ->
+   roll:between(0, 15).
diff --git a/src/struct/weapon.erl b/src/struct/weapon.erl
index add445a..ca74ada 100644
--- a/src/struct/weapon.erl
+++ b/src/struct/weapon.erl
@@ -23,7 +23,8 @@
 -export
 (
    [
-      get_id/1
+      get_id/1,
+      random_id/0
    ]
 ).
 
@@ -32,7 +33,8 @@
    [
       from_id/1,
       get_ranges/1,
-      get_damages/1
+      get_damages/1,
+      apply_to_attributes/2
    ]
 ).
 
@@ -285,3 +287,24 @@ from_id (24) ->
       damage_type = pierce,
       damage_mod = heavy
    }.
+
+random_id () ->
+   roll:between(0, 24).
+
+apply_to_attributes (Attributes, Weapon) ->
+   Dexterity = attributes:get_dexterity(Attributes),
+   Speed = attributes:get_dexterity(Attributes),
+   RangeModifier = Weapon#weapon.range_mod,
+   DamageModifier = Weapon#weapon.damage_mod,
+   WithRangeModifier =
+      case RangeModifier of
+         long ->
+            attributes:set_dexterity(max(0, (Dexterity - 20)), Attributes);
+         _ -> Attributes
+      end,
+   case DamageModifier of
+      heavy ->
+         attributes:set_speed(max(0, (Speed - 20)), WithRangeModifier);
+      _ -> WithRangeModifier
+   end.
+