Merge branch 'master' into 'doc'

# Conflicts:
#   squirrelbattle/entities/items.py
#   squirrelbattle/interfaces.py

.gitignore

@@ -3,6 +3,7 @@
 
 env/
 venv/
+local/
 
 .coverage
 .pytest_cache/

squirrelbattle/assets/example_map.txt

@@ -1,8 +1,8 @@
 1 6
     #######                    #############        
-    #.....#                    #...........#        
+    #.H...#                    #...........#        
     #.....#                #####...........#        
-    #.....#                #...............#        
+    #.....#                #............H..#        
     #.#####                #.###...........#        
     #.#                    #.# #...........#        
     #.#                    #.# #############        

squirrelbattle/assets/example_map_2.txt

@@ -1,6 +1,6 @@
 1 17
             ###########                        #########                        
-            #.........#                        #.......#                        
+            #....H....#                        #.......#                        
             #.........#             ############.......#                        
             #.........###############..........#.......##############           
             #.........#........................#....................#           
@@ -13,7 +13,7 @@
       ########.##########......#     #.........#              #.........#       
            #...........##......#     #.........#              #.........#       
            #...........##......#     #.........#              #.........#       
-           #...........##......#     #.........#  ################.######       
+           #...........##..H...#     #.........#  ################.######       
            #...........##......#     #.........#  #.................############
            #...........##......#  ########.########.......#.........#..........#
            #...........##......#  #...............#.......#.........#..........#

squirrelbattle/assets/example_map_3.txt

@@ -0,0 +1,41 @@
+1 6
+################################################################################
+#..............................................................................#
+#..#...........................................................................#
+#...........#..................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+#..............................................................................#
+################################################################################

squirrelbattle/display/mapdisplay.py

@@ -22,13 +22,21 @@ class MapDisplay(Display):
                                self.pack.tile_width * self.map.width + 1)
 
     def update_pad(self) -> None:
-        self.pad.resize(500, 500)
+        for j in range(len(self.map.tiles)):
-        self.addstr(self.pad, 0, 0, self.map.draw_string(self.pack),
+            for i in range(len(self.map.tiles[j])):
-                    self.pack.tile_fg_color, self.pack.tile_bg_color)
+                if not self.map.seen_tiles[j][i]:
+                    continue
+                fg, bg = self.map.tiles[j][i].visible_color(self.pack) if \
+                    self.map.visibility[j][i] else \
+                    self.map.tiles[j][i].hidden_color(self.pack)
+                self.addstr(self.pad, j, self.pack.tile_width * i,
+                            self.map.tiles[j][i].char(self.pack), fg, bg)
         for e in self.map.entities:
+            if self.map.visibility[e.y][e.x]:
                 self.addstr(self.pad, e.y, self.pack.tile_width * e.x,
                             self.pack[e.name.upper()],
-                        self.pack.entity_fg_color, self.pack.entity_bg_color)
+                            self.pack.entity_fg_color,
+                            self.pack.entity_bg_color)
 
         # Display Path map for debug purposes
         # from squirrelbattle.entities.player import Player

squirrelbattle/display/statsdisplay.py

@@ -23,16 +23,18 @@ class StatsDisplay(Display):
         self.player = game.player
 
     def update_pad(self) -> None:
-        string2 = _("player").capitalize() + " -- LVL {}\nEXP {}/{}\nHP {}/{}"\
+        string2 = f"{_(self.player.name).capitalize()} " \
-            .format(self.player.level, self.player.current_xp,
+                  f"-- LVL {self.player.level} -- " \
-                    self.player.max_xp, self.player.health,
+                  f"FLOOR {-self.player.map.floor}\n" \
-                    self.player.maxhealth)
+                  f"EXP {self.player.current_xp}/{self.player.max_xp}\n" \
+                  f"HP {self.player.health}/{self.player.maxhealth}"
         self.addstr(self.pad, 0, 0, string2)
-        string3 = "STR {}\nINT {}\nCHR {}\nDEX {}\nCON {}\nCRI {}%"\
+        string3 = f"STR {self.player.strength}\n" \
-            .format(self.player.strength,
+                  f"INT {self.player.intelligence}\n" \
-                    self.player.intelligence, self.player.charisma,
+                  f"CHR {self.player.charisma}\n" \
-                    self.player.dexterity, self.player.constitution,\
+                  f"DEX {self.player.dexterity}\n" \
-                    self.player.critical)
+                  f"CON {self.player.constitution}\n" \
+                  f"CRI {self.player.critical}%"
         self.addstr(self.pad, 3, 0, string3)
 
         inventory_str = _("Inventory:") + " "
@@ -57,15 +59,16 @@ class StatsDisplay(Display):
         if self.player.equipped_secondary:
             self.addstr(self.pad, 11, 0,
                         _("Equipped secondary:") + " "
-                        f"{self.pack[self.player.equipped_secondary.name.upper()]}")
+                        + self.pack[self.player.equipped_secondary
+                                    .name.upper()])
         if self.player.equipped_armor:
             self.addstr(self.pad, 12, 0,
                         _("Equipped chestplate:") + " "
-                        f"{self.pack[self.player.equipped_armor.name.upper()]}")
+                        + self.pack[self.player.equipped_armor.name.upper()])
         if self.player.equipped_helmet:
             self.addstr(self.pad, 13, 0,
                         _("Equipped helmet:") + " "
-                        f"{self.pack[self.player.equipped_helmet.name.upper()]}")
+                        + self.pack[self.player.equipped_helmet.name.upper()])
 
         self.addstr(self.pad, 14, 0, f"{self.pack.HAZELNUT} "
                                      f"x{self.player.hazel}")

squirrelbattle/display/texturepack.py

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 import curses
-from typing import Any
+from typing import Any, Union, Tuple
 
 
 class TexturePack:
@@ -13,10 +13,11 @@ class TexturePack:
 
     name: str
     tile_width: int
-    tile_fg_color: int
+    tile_fg_color: Union[int, Tuple[int, int, int]]
-    tile_bg_color: int
+    tile_fg_visible_color: Union[int, Tuple[int, int, int]]
-    entity_fg_color: int
+    tile_bg_color: Union[int, Tuple[int, int, int]]
-    entity_bg_color: int
+    entity_fg_color: Union[int, Tuple[int, int, int]]
+    entity_bg_color: Union[int, Tuple[int, int, int]]
 
     BODY_SNATCH_POTION: str
     BOMB: str
@@ -64,9 +65,10 @@ class TexturePack:
 TexturePack.ASCII_PACK = TexturePack(
     name="ascii",
     tile_width=1,
+    tile_fg_visible_color=(1000, 1000, 1000),
     tile_fg_color=curses.COLOR_WHITE,
     tile_bg_color=curses.COLOR_BLACK,
-    entity_fg_color=curses.COLOR_WHITE,
+    entity_fg_color=(1000, 1000, 1000),
     entity_bg_color=curses.COLOR_BLACK,
 
     BODY_SNATCH_POTION='S',
@@ -76,6 +78,7 @@ TexturePack.ASCII_PACK = TexturePack(
     EMPTY=' ',
     EXPLOSION='%',
     FLOOR='.',
+    LADDER='H',
     HAZELNUT='¤',
     HEART='❤',
     HEDGEHOG='*',
@@ -97,10 +100,11 @@ TexturePack.ASCII_PACK = TexturePack(
 TexturePack.SQUIRREL_PACK = TexturePack(
     name="squirrel",
     tile_width=2,
+    tile_fg_visible_color=(1000, 1000, 1000),
     tile_fg_color=curses.COLOR_WHITE,
     tile_bg_color=curses.COLOR_BLACK,
-    entity_fg_color=curses.COLOR_WHITE,
+    entity_fg_color=(1000, 1000, 1000),
-    entity_bg_color=curses.COLOR_WHITE,
+    entity_bg_color=(1000, 1000, 1000),
 
     BODY_SNATCH_POTION='🔀',
     BOMB='💣',
@@ -109,6 +113,8 @@ TexturePack.SQUIRREL_PACK = TexturePack(
     EMPTY='  ',
     EXPLOSION='💥',
     FLOOR='██',
+    LADDER=('🪜', curses.COLOR_WHITE, (1000, 1000, 1000),
+            curses.COLOR_WHITE, (1000, 1000, 1000)),
     HAZELNUT='🌰',
     HEART='💜',
     HEDGEHOG='🦔',

squirrelbattle/entities/items.py

@@ -44,27 +44,6 @@ class Item(Entity):
         """
         Indicates what should be done when the item is equipped.
         """
-        if isinstance(self, Chestplate):
-            if self.held_by.equipped_armor:
-                self.held_by.equipped_armor.unequip()
-            self.held_by.remove_from_inventory(self)
-            self.held_by.equipped_armor = self
-        elif isinstance(self, Helmet):
-            if self.held_by.equipped_helmet:
-                self.held_by.equipped_helmet.unequip()
-            self.held_by.remove_from_inventory(self)
-            self.held_by.equipped_helmet = self
-        elif isinstance(self, Weapon):
-            if self.held_by.equipped_main:
-                if self.held_by.equipped_secondary:
-                    self.held_by.equipped_secondary.unequip()
-                self.held_by.remove_from_inventory(self)
-                self.held_by.equipped_secondary = self
-                # For weapons, they are equipped as main only if main is empty.
-            else:
-                self.held_by.remove_from_inventory(self)
-                self.held_by.equipped_main = self
-        else:
         # Other objects are only equipped as secondary.
         if self.held_by.equipped_secondary:
             self.held_by.equipped_secondary.unequip()
@@ -75,17 +54,7 @@ class Item(Entity):
         """
         Indicates what should be done when the item is unequipped.
         """
-        if isinstance(self, Chestplate):
+        self.held_by.remove_from_inventory(self)
-            self.held_by.equipped_armor = None
-        elif isinstance(self, Helmet):
-            self.held_by.equipped_helmet = None
-        elif isinstance(self, Weapon):
-            if self.held_by.equipped_main == self:
-                self.held_by.equipped_main = None
-            else:
-                self.held_by.equipped_secondary = None
-        else:
-            self.held_by.equipped_secondary = None
         self.held_by.add_to_inventory(self)
 
     def hold(self, holder: InventoryHolder) -> None:
@@ -236,7 +205,6 @@ class Explosion(Item):
         """
         The player can't hold an explosion.
         """
-        pass
 
 
 class Weapon(Item):
@@ -261,7 +229,8 @@ class Weapon(Item):
         """
         When a weapon is equipped, the player gains strength.
         """
-        super().equip()
+        self.held_by.remove_from_inventory(self)
+        self.held_by.equipped_main = self
         self.held_by.strength += self.damage
 
     def unequip(self) -> None:
@@ -305,33 +274,45 @@ class Armor(Item):
         d["constitution"] = self.constitution
         return d
 
+
 class Shield(Armor):
     """
     Class of shield items, they can be equipped in the other hand.
     """
-
+    def __init__(self, name: str = "shield", constitution: int = 2,
-    def __init__(self, name: str = "shield", constitution: int = 2,\
                  price: int = 16, *args, **kwargs):
-        super().__init__(name=name, constitution=constitution, *args, **kwargs)
+        super().__init__(name=name, constitution=constitution, price=price,
+                         *args, **kwargs)
 
 class Helmet(Armor):
     """
     Class of helmet items, they can be equipped on the head.
     """
-
+    def __init__(self, name: str = "helmet", constitution: int = 2,
-    def __init__(self, name: str = "helmet", constitution: int = 2, \
                  price: int = 18, *args, **kwargs):
-        super().__init__(name=name, constitution=constitution, *args, **kwargs)
+        super().__init__(name=name, constitution=constitution, price=price,
+                         *args, **kwargs)
+
+    def equip(self) -> None:
+        if self.held_by.equipped_helmet:
+            self.held_by.equipped_helmet.unequip()
+        self.held_by.remove_from_inventory(self)
+        self.held_by.equipped_helmet = self
 
 class Chestplate(Armor):
     """
     Class of chestplate items, they can be equipped on the body.
     """
-
+    def __init__(self, name: str = "chestplate", constitution: int = 4,
-    def __init__(self, name: str = "chestplate", constitution: int = 4,\
                  price: int = 30, *args, **kwargs):
-        super().__init__(name=name, constitution=constitution, *args, **kwargs)
+        super().__init__(name=name, constitution=constitution, price=price,
+                         *args, **kwargs)
 
+    def equip(self) -> None:
+        if self.held_by.equipped_armor:
+            self.held_by.equipped_armor.unequip()
+        self.held_by.remove_from_inventory(self)
+        self.held_by.equipped_armor = self
 
 class BodySnatchPotion(Item):
     """
@@ -366,6 +347,7 @@ class BodySnatchPotion(Item):
 
         self.held_by.inventory.remove(self)
 
+
 class Ring(Item):
     """
     A class of rings that boost the player's statistics.
@@ -379,9 +361,9 @@ class Ring(Item):
     critical: int
     experience: float
 
-    def __init__(self, maxhealth: int = 0, strength: int = 0,\
+    def __init__(self, maxhealth: int = 0, strength: int = 0,
-                 intelligence: int = 0, charisma: int = 0,\
+                 intelligence: int = 0, charisma: int = 0,
-                 dexterity: int = 0, constitution: int = 0,\
+                 dexterity: int = 0, constitution: int = 0,
                  critical: int = 0, experience: float = 0, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.maxhealth = maxhealth
@@ -417,17 +399,26 @@ class Ring(Item):
 
     def save_state(self) -> dict:
         d = super().save_state()
+        d["maxhealth"] = self.maxhealth
+        d["strength"] = self.strength
+        d["intelligence"] = self.intelligence
+        d["charisma"] = self.charisma
+        d["dexterity"] = self.dexterity
         d["constitution"] = self.constitution
+        d["critical"] = self.critical
+        d["experience"] = self.experience
         return d
 
+
 class RingCritical(Ring):
     def __init__(self, name: str = "ring_of_critical_damage", price: int = 15,
                  critical: int = 20, *args, **kwargs):
-        super().__init__(name=name, price=price, critical=critical, \
+        super().__init__(name=name, price=price, critical=critical,
                          *args, **kwargs)
 
+
 class RingXP(Ring):
     def __init__(self, name: str = "ring_of_more_experience", price: int = 25,
                  experience: float = 2, *args, **kwargs):
-        super().__init__(name=name, price=price, experience=experience, \
+        super().__init__(name=name, price=price, experience=experience,
                          *args, **kwargs)

squirrelbattle/entities/monsters.py

@@ -94,9 +94,11 @@ class Rabbit(Monster):
     A rabbit monster.
     """
     def __init__(self, name: str = "rabbit", strength: int = 1,
-                 maxhealth: int = 15, critical: int = 30, *args, **kwargs) -> None:
+                 maxhealth: int = 15, critical: int = 30,
+                 *args, **kwargs) -> None:
         super().__init__(name=name, strength=strength,
-                         maxhealth=maxhealth, critical=critical, *args, **kwargs)
+                         maxhealth=maxhealth, critical=critical,
+                         *args, **kwargs)
 
 
 class TeddyBear(Monster):
@@ -108,6 +110,7 @@ class TeddyBear(Monster):
         super().__init__(name=name, strength=strength,
                          maxhealth=maxhealth, *args, **kwargs)
 
+
 class GiantSeaEagle(Monster):
     """
     An eagle boss

squirrelbattle/entities/player.py

@@ -26,10 +26,10 @@ class Player(InventoryHolder, FightingEntity):
                  dexterity: int = 1, constitution: int = 1, level: int = 1,
                  current_xp: int = 0, max_xp: int = 10, inventory: list = None,
                  hazel: int = 42, equipped_main: Optional[Item] = None,
-                 equipped_armor: Optional[Item] = None, critical: int = 5,\
+                 equipped_armor: Optional[Item] = None, critical: int = 5,
-                 equipped_secondary: Optional[Item] = None, \
+                 equipped_secondary: Optional[Item] = None,
-                 equipped_helmet: Optional[Item] = None, xp_buff: float = 1,\
+                 equipped_helmet: Optional[Item] = None, xp_buff: float = 1,
-                 *args, **kwargs) -> None:
+                 vision: int = 5, *args, **kwargs) -> None:
         super().__init__(name=name, maxhealth=maxhealth, strength=strength,
                          intelligence=intelligence, charisma=charisma,
                          dexterity=dexterity, constitution=constitution,
@@ -40,18 +40,15 @@ class Player(InventoryHolder, FightingEntity):
         self.inventory = self.translate_inventory(inventory or [])
         self.paths = dict()
         self.hazel = hazel
-        if isinstance(equipped_main, dict):
+        self.equipped_main = self.dict_to_item(equipped_main) \
-            equipped_main = self.dict_to_item(equipped_main)
+            if isinstance(equipped_main, dict) else equipped_main
-        if isinstance(equipped_armor, dict):
+        self.equipped_armor = self.dict_to_item(equipped_armor) \
-            equipped_armor = self.dict_to_item(equipped_armor)
+            if isinstance(equipped_armor, dict) else equipped_armor
-        if isinstance(equipped_secondary, dict):
+        self.equipped_secondary = self.dict_to_item(equipped_secondary) \
-            equipped_secondary = self.dict_to_item(equipped_secondary)
+            if isinstance(equipped_secondary, dict) else equipped_secondary
-        if isinstance(equipped_helmet, dict):
+        self.equipped_helmet = self.dict_to_item(equipped_helmet) \
-            equipped_helmet = self.dict_to_item(equipped_helmet)
+            if isinstance(equipped_helmet, dict) else equipped_helmet
-        self.equipped_main = equipped_main
+        self.vision = vision
-        self.equipped_armor = equipped_armor
-        self.equipped_secondary = equipped_secondary
-        self.equipped_helmet = equipped_helmet
 
     def move(self, y: int, x: int) -> None:
         """
@@ -62,6 +59,7 @@ class Player(InventoryHolder, FightingEntity):
         self.map.currenty = y
         self.map.currentx = x
         self.recalculate_paths()
+        self.map.compute_visibility(self.y, self.x, self.vision)
 
     def level_up(self) -> None:
         """
@@ -82,7 +80,7 @@ class Player(InventoryHolder, FightingEntity):
         Adds some experience to the player.
         If the required amount is reached, the player levels up.
         """
-        self.current_xp += int(xp*self.xp_buff)
+        self.current_xp += int(xp * self.xp_buff)
         self.level_up()
 
     def remove_from_inventory(self, obj: Item) -> None:

squirrelbattle/enums.py

@@ -47,6 +47,7 @@ class KeyValues(Enum):
     SPACE = auto()
     CHAT = auto()
     WAIT = auto()
+    LADDER = auto()
 
     @staticmethod
     def translate_key(key: str, settings: Settings) -> Optional["KeyValues"]:
@@ -81,4 +82,6 @@ class KeyValues(Enum):
             return KeyValues.CHAT
         elif key == settings.KEY_WAIT:
             return KeyValues.WAIT
+        elif key == settings.KEY_LADDER:
+            return KeyValues.LADDER
         return None

squirrelbattle/game.py

@@ -3,7 +3,7 @@
 
 from json import JSONDecodeError
 from random import randint
-from typing import Any, Optional
+from typing import Any, Optional, List
 import curses
 import json
 import os
@@ -22,7 +22,8 @@ class Game:
     """
     The game object controls all actions in the game.
     """
-    map: Map
+    maps: List[Map]
+    map_index: int
     player: Player
     screen: Any
     # display_actions is a display interface set by the bootstrapper
@@ -52,7 +53,9 @@ class Game:
         Creates a new game on the screen.
         """
         # TODO generate a new map procedurally
-        self.map = Map.load(ResourceManager.get_asset_path("example_map_2.txt"))
+        self.maps = []
+        self.map_index = 0
+        self.map = Map.load(ResourceManager.get_asset_path("example_map.txt"))
         self.map.logs = self.logs
         self.logs.clear()
         self.player = Player()
@@ -61,6 +64,24 @@ class Game:
         self.map.spawn_random_entities(randint(3, 10))
         self.inventory_menu.update_player(self.player)
 
+    @property
+    def map(self) -> Map:
+        """
+        Return the current map where the user is.
+        """
+        return self.maps[self.map_index]
+
+    @map.setter
+    def map(self, m: Map) -> None:
+        """
+        Redefine the current map.
+        """
+        if len(self.maps) == self.map_index:
+            # Insert new map
+            self.maps.append(m)
+        # Redefine the current map
+        self.maps[self.map_index] = m
+
     def run(self, screen: Any) -> None:  # pragma no cover
         """
         Main infinite loop.
@@ -110,7 +131,7 @@ class Game:
             self.state = GameMode.MAINMENU
         self.display_actions(DisplayActions.REFRESH)
 
-    def handle_key_pressed_play(self, key: KeyValues) -> None:
+    def handle_key_pressed_play(self, key: KeyValues) -> None:  # noqa: C901
         """
         In play mode, arrows or zqsd move the main character.
         """
@@ -130,7 +151,10 @@ class Game:
             self.state = GameMode.INVENTORY
             self.display_actions(DisplayActions.UPDATE)
         elif key == KeyValues.USE and self.player.equipped_main:
+            if self.player.equipped_main:
                 self.player.equipped_main.use()
+            if self.player.equipped_secondary:
+                self.player.equipped_secondary.use()
         elif key == KeyValues.SPACE:
             self.state = GameMode.MAINMENU
         elif key == KeyValues.CHAT:
@@ -138,6 +162,54 @@ class Game:
             self.waiting_for_friendly_key = True
         elif key == KeyValues.WAIT:
             self.map.tick(self.player)
+        elif key == KeyValues.LADDER:
+            self.handle_ladder()
+
+    def handle_ladder(self) -> None:
+        """
+        The player pressed the ladder key to switch map
+        """
+        # On a ladder, we switch level
+        y, x = self.player.y, self.player.x
+        if not self.map.tiles[y][x].is_ladder():
+            return
+
+        # We move up on the ladder of the beginning,
+        # down at the end of the stage
+        move_down = y != self.map.start_y and x != self.map.start_x
+        old_map = self.map
+        self.map_index += 1 if move_down else -1
+        if self.map_index == -1:
+            self.map_index = 0
+            return
+        while self.map_index >= len(self.maps):
+            # TODO: generate a new map
+            self.maps.append(Map.load(ResourceManager.get_asset_path(
+                "example_map_2.txt")))
+        new_map = self.map
+        new_map.floor = self.map_index
+        old_map.remove_entity(self.player)
+        new_map.add_entity(self.player)
+        if move_down:
+            self.player.move(self.map.start_y, self.map.start_x)
+            self.logs.add_message(
+                _("The player climbs down to the floor {floor}.")
+                .format(floor=-self.map_index))
+        else:
+            # Find the ladder of the end of the game
+            ladder_y, ladder_x = -1, -1
+            for y in range(self.map.height):
+                for x in range(self.map.width):
+                    if (y, x) != (self.map.start_y, self.map.start_x) \
+                            and self.map.tiles[y][x].is_ladder():
+                        ladder_y, ladder_x = y, x
+                        break
+            self.player.move(ladder_y, ladder_x)
+            self.logs.add_message(
+                _("The player climbs up the floor {floor}.")
+                .format(floor=-self.map_index))
+
+        self.display_actions(DisplayActions.UPDATE)
 
     def handle_friendly_entity_chat(self, key: KeyValues) -> None:
         """

squirrelbattle/interfaces.py

@@ -2,13 +2,11 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from enum import Enum, auto
-from math import sqrt
+from math import ceil, sqrt
-from random import choice, randint
+from random import choice, choices, randint
 from typing import List, Optional, Any, Dict, Tuple
 from queue import PriorityQueue
 from functools import reduce
-from random import choice, randint, choices
-from typing import List, Optional, Any
 
 from .display.texturepack import TexturePack
 from .translations import gettext as _
@@ -34,16 +32,47 @@ class Logs:
         self.messages = []
 
 
+class Slope():
+    X: int
+    Y: int
+
+    def __init__(self, y: int, x: int) -> None:
+        self.Y = y
+        self.X = x
+
+    def compare(self, other: "Slope") -> int:
+        y, x = other.Y, other.X
+        return self.Y * x - self.X * y
+
+    def __lt__(self, other: "Slope") -> bool:
+        return self.compare(other) < 0
+
+    def __eq__(self, other: "Slope") -> bool:
+        return self.compare(other) == 0
+
+    def __gt__(self, other: "Slope") -> bool:
+        return self.compare(other) > 0
+
+    def __le__(self, other: "Slope") -> bool:
+        return self.compare(other) <= 0
+
+    def __ge__(self, other: "Slope") -> bool:
+        return self.compare(other) >= 0
+
+
 class Map:
     """
     The Map object represents a with its width, height
     and tiles, that have their custom properties.
     """
+    floor: int
     width: int
     height: int
     start_y: int
     start_x: int
     tiles: List[List["Tile"]]
+    visibility: List[List[bool]]
+    seen_tiles: List[List[bool]]
     entities: List["Entity"]
     logs: Logs
     # coordinates of the point that should be
@@ -53,11 +82,16 @@ class Map:
 
     def __init__(self, width: int, height: int, tiles: list,
                  start_y: int, start_x: int):
+        self.floor = 0
         self.width = width
         self.height = height
         self.start_y = start_y
         self.start_x = start_x
         self.tiles = tiles
+        self.visibility = [[False for _ in range(len(tiles[0]))]
+                           for _ in range(len(tiles))]
+        self.seen_tiles = [[False for _ in range(len(tiles[0]))]
+                           for _ in range(len(tiles))]
         self.entities = []
         self.logs = Logs()
 
@@ -147,18 +181,138 @@ class Map:
         """
         Puts randomly {count} entities on the map, only on empty ground tiles.
         """
-        for ignored in range(count):
+        for _ignored in range(count):
             y, x = 0, 0
             while True:
                 y, x = randint(0, self.height - 1), randint(0, self.width - 1)
                 tile = self.tiles[y][x]
                 if tile.can_walk():
                     break
-            entity = choices(Entity.get_all_entity_classes(),\
+            entity = choices(Entity.get_all_entity_classes(),
-                            weights = Entity.get_weights(), k=1)[0]()
+                             weights=Entity.get_weights(), k=1)[0]()
             entity.move(y, x)
             self.add_entity(entity)
 
+    def compute_visibility(self, y: int, x: int, max_range: int) -> None:
+        """
+        Sets the visible tiles to be the ones visible by an entity at point
+        (y, x), using a twaked shadow casting algorithm
+        """
+
+        for line in self.visibility:
+            for i in range(len(line)):
+                line[i] = False
+        self.set_visible(0, 0, 0, (y, x))
+        for octant in range(8):
+            self.compute_visibility_octant(octant, (y, x), max_range, 1,
+                                           Slope(1, 1), Slope(0, 1))
+
+    def crop_top_visibility(self, octant: int, origin: Tuple[int, int],
+                            x: int, top: Slope) -> int:
+        if top.X == 1:
+            top_y = x
+        else:
+            top_y = ceil(((x * 2 - 1) * top.Y + top.X) / (top.X * 2))
+            if self.is_wall(top_y, x, octant, origin):
+                top_y += top >= Slope(top_y * 2 + 1, x * 2) and not \
+                    self.is_wall(top_y + 1, x, octant, origin)
+            else:
+                ax = x * 2
+                ax += self.is_wall(top_y + 1, x + 1, octant, origin)
+                top_y += top > Slope(top_y * 2 + 1, ax)
+        return top_y
+
+    def crop_bottom_visibility(self, octant: int, origin: Tuple[int, int],
+                               x: int, bottom: Slope) -> int:
+        if bottom.Y == 0:
+            bottom_y = 0
+        else:
+            bottom_y = ceil(((x * 2 - 1) * bottom.Y + bottom.X)
+                            / (bottom.X * 2))
+            bottom_y += bottom >= Slope(bottom_y * 2 + 1, x * 2) and \
+                self.is_wall(bottom_y, x, octant, origin) and \
+                not self.is_wall(bottom_y + 1, x, octant, origin)
+        return bottom_y
+
+    def compute_visibility_octant(self, octant: int, origin: Tuple[int, int],
+                                  max_range: int, distance: int, top: Slope,
+                                  bottom: Slope) -> None:
+        for x in range(distance, max_range + 1):
+            top_y = self.crop_top_visibility(octant, origin, x, top)
+            bottom_y = self.crop_bottom_visibility(octant, origin, x, bottom)
+            was_opaque = -1
+            for y in range(top_y, bottom_y - 1, -1):
+                if x + y > max_range:
+                    continue
+                is_opaque = self.is_wall(y, x, octant, origin)
+                is_visible = is_opaque\
+                    or ((y != top_y or top > Slope(y * 4 - 1, x * 4 + 1))
+                        and (y != bottom_y
+                             or bottom < Slope(y * 4 + 1, x * 4 - 1)))
+                # is_visible = is_opaque\
+                #     or ((y != top_y or top >= Slope(y, x))
+                #         and (y != bottom_y or bottom <= Slope(y, x)))
+                if is_visible:
+                    self.set_visible(y, x, octant, origin)
+                if x == max_range:
+                    continue
+                if is_opaque and was_opaque == 0:
+                    nx, ny = x * 2, y * 2 + 1
+                    nx -= self.is_wall(y + 1, x, octant, origin)
+                    if top > Slope(ny, nx):
+                        if y == bottom_y:
+                            bottom = Slope(ny, nx)
+                            break
+                        else:
+                            self.compute_visibility_octant(
+                                octant, origin, max_range, x + 1, top,
+                                Slope(ny, nx))
+                    elif y == bottom_y:  # pragma: no cover
+                        return
+                elif not is_opaque and was_opaque == 1:
+                    nx, ny = x * 2, y * 2 + 1
+                    nx += self.is_wall(y + 1, x + 1, octant, origin)
+                    if bottom >= Slope(ny, nx):  # pragma: no cover
+                        return
+                    top = Slope(ny, nx)
+                was_opaque = is_opaque
+            if was_opaque != 0:
+                break
+
+    @staticmethod
+    def translate_coord(y: int, x: int, octant: int,
+                        origin: Tuple[int, int]) -> Tuple[int, int]:
+        ny, nx = origin
+        if octant == 0:
+            return ny - y, nx + x
+        elif octant == 1:
+            return ny - x, nx + y
+        elif octant == 2:
+            return ny - x, nx - y
+        elif octant == 3:
+            return ny - y, nx - x
+        elif octant == 4:
+            return ny + y, nx - x
+        elif octant == 5:
+            return ny + x, nx - y
+        elif octant == 6:
+            return ny + x, nx + y
+        elif octant == 7:
+            return ny + y, nx + x
+
+    def is_wall(self, y: int, x: int, octant: int,
+                origin: Tuple[int, int]) -> bool:
+        y, x = self.translate_coord(y, x, octant, origin)
+        return 0 <= y < len(self.tiles) and 0 <= x < len(self.tiles[0]) and \
+            self.tiles[y][x].is_wall()
+
+    def set_visible(self, y: int, x: int, octant: int,
+                    origin: Tuple[int, int]) -> None:
+        y, x = self.translate_coord(y, x, octant, origin)
+        if 0 <= y < len(self.tiles) and 0 <= x < len(self.tiles[0]):
+            self.visibility[y][x] = True
+            self.seen_tiles[y][x] = True
+
     def tick(self, p: Any) -> None:
         """
         Triggers all entity events.
@@ -210,6 +364,7 @@ class Tile(Enum):
     EMPTY = auto()
     WALL = auto()
     FLOOR = auto()
+    LADDER = auto()
 
     @staticmethod
     def from_ascii_char(ch: str) -> "Tile":
@@ -226,7 +381,25 @@ class Tile(Enum):
         Translates a Tile to the corresponding character according
         to the texture pack.
         """
-        return getattr(pack, self.name)
+        val = getattr(pack, self.name)
+        return val[0] if isinstance(val, tuple) else val
+
+    def visible_color(self, pack: TexturePack) -> Tuple[int, int]:
+        """
+        Retrieve the tuple (fg_color, bg_color) of the current Tile
+        if it is visible.
+        """
+        val = getattr(pack, self.name)
+        return (val[2], val[4]) if isinstance(val, tuple) else \
+            (pack.tile_fg_visible_color, pack.tile_bg_color)
+
+    def hidden_color(self, pack: TexturePack) -> Tuple[int, int]:
+        """
+        Retrieve the tuple (fg_color, bg_color) of the current Tile.
+        """
+        val = getattr(pack, self.name)
+        return (val[1], val[3]) if isinstance(val, tuple) else \
+            (pack.tile_fg_color, pack.tile_bg_color)
 
     def is_wall(self) -> bool:
         """
@@ -234,6 +407,12 @@ class Tile(Enum):
         """
         return self == Tile.WALL
 
+    def is_ladder(self) -> bool:
+        """
+        Is this Tile a ladder?
+        """
+        return self == Tile.LADDER
+
     def can_walk(self) -> bool:
         """
         Checks if an entity (player or not) can move in this tile.
@@ -525,12 +704,12 @@ class FightingEntity(Entity):
         The entity deals damage to the opponent
         based on their respective stats.
         """
-        diceroll = randint(0, 100)
+        diceroll = randint(1, 100)
         damage = self.strength
         string = " "
         if diceroll <= self.critical:  # It is a critical hit
             damage *= 4
-            string = _(" It's a critical hit! ")
+            string = " " + _("It's a critical hit!") + " "
         return _("{name} hits {opponent}.")\
             .format(name=_(self.translated_name.capitalize()),
                     opponent=_(opponent.translated_name)) + string + \

squirrelbattle/locale/de/LC_MESSAGES/squirrelbattle.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: squirrelbattle 3.14.1\n"
 "Report-Msgid-Bugs-To: squirrel-battle@crans.org\n"
-"POT-Creation-Date: 2020-12-12 18:02+0100\n"
+"POT-Creation-Date: 2021-01-08 01:57+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -17,19 +17,44 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: squirrelbattle/display/menudisplay.py:139
+#, python-brace-format
+msgid "{name} takes {amount} damage."
+msgstr "{name} nimmt {amount} Schadenspunkte."
+
+#: squirrelbattle/display/menudisplay.py:160
 msgid "INVENTORY"
 msgstr "BESTAND"
 
-#: squirrelbattle/display/menudisplay.py:164
+#: squirrelbattle/display/menudisplay.py:202
 msgid "STALL"
 msgstr "STAND"
 
-#: squirrelbattle/display/statsdisplay.py:33
+#: squirrelbattle/display/statsdisplay.py:23
+#: squirrelbattle/tests/translations_test.py:60
+msgid "player"
+msgstr "Spieler"
+
+#: squirrelbattle/display/statsdisplay.py:35
 msgid "Inventory:"
 msgstr "Bestand:"
 
 #: squirrelbattle/display/statsdisplay.py:52
+msgid "Equipped main:"
+msgstr ""
+
+#: squirrelbattle/display/statsdisplay.py:56
+msgid "Equipped secondary:"
+msgstr ""
+
+#: squirrelbattle/display/statsdisplay.py:61
+msgid "Equipped chestplate:"
+msgstr ""
+
+#: squirrelbattle/display/statsdisplay.py:65
+msgid "Equipped helmet:"
+msgstr ""
+
+#: squirrelbattle/display/statsdisplay.py:72
 msgid "YOU ARE DEAD"
 msgstr "SIE WURDEN GESTORBEN"
 
@@ -49,20 +74,30 @@ msgstr "Die Sonne ist warm heute"
 #. The bomb is exploding.
 #. Each entity that is close to the bomb takes damages.
 #. The player earn XP if the entity was killed.
-#: squirrelbattle/entities/items.py:151
+#: squirrelbattle/entities/items.py:163
 msgid "Bomb is exploding."
 msgstr "Die Bombe explodiert."
 
-#: squirrelbattle/entities/items.py:248
+#: squirrelbattle/entities/items.py:344
 #, python-brace-format
 msgid "{player} exchanged its body with {entity}."
 msgstr "{player} täuscht seinem Körper mit {entity} aus."
 
-#: squirrelbattle/game.py:205 squirrelbattle/tests/game_test.py:573
+#: squirrelbattle/game.py:182
+#, python-brace-format
+msgid "The player climbs down to the floor {floor}."
+msgstr "Der Spieler klettert auf dem Stock {floor} hinunter."
+
+#: squirrelbattle/game.py:195
+#, python-brace-format
+msgid "The player climbs up the floor {floor}."
+msgstr "Der Spieler klettert auf dem Stock {floor} hinoben."
+
+#: squirrelbattle/game.py:285 squirrelbattle/tests/game_test.py:592
 msgid "The buyer does not have enough money"
 msgstr "Der Kaufer hat nicht genug Geld"
 
-#: squirrelbattle/game.py:249
+#: squirrelbattle/game.py:328
 msgid ""
 "Some keys are missing in your save file.\n"
 "Your save seems to be corrupt. It got deleted."
@@ -70,7 +105,7 @@ msgstr ""
 "In Ihrer Speicherdatei fehlen einige Schlüssel.\n"
 "Ihre Speicherung scheint korrupt zu sein. Es wird gelöscht."
 
-#: squirrelbattle/game.py:257
+#: squirrelbattle/game.py:336
 msgid ""
 "No player was found on this map!\n"
 "Maybe you died?"
@@ -78,7 +113,7 @@ msgstr ""
 "Auf dieser Karte wurde kein Spieler gefunden!\n"
 "Vielleicht sind Sie gestorben?"
 
-#: squirrelbattle/game.py:277
+#: squirrelbattle/game.py:356
 msgid ""
 "The JSON file is not correct.\n"
 "Your save seems corrupted. It got deleted."
@@ -86,22 +121,26 @@ msgstr ""
 "Die JSON-Datei ist nicht korrekt.\n"
 "Ihre Speicherung scheint korrumpiert. Sie wurde gelöscht."
 
-#: squirrelbattle/interfaces.py:429
+#: squirrelbattle/interfaces.py:452
+msgid "It's a critical hit!"
+msgstr ""
+
+#: squirrelbattle/interfaces.py:453
 #, python-brace-format
 msgid "{name} hits {opponent}."
 msgstr "{name} schlägt {opponent}."
 
-#: squirrelbattle/interfaces.py:441
+#: squirrelbattle/interfaces.py:465
 #, python-brace-format
-msgid "{name} takes {amount} damage."
+msgid "{name} takes {damage} damage."
-msgstr "{name} nimmt {amount} Schadenspunkte."
+msgstr ""
 
-#: squirrelbattle/interfaces.py:443
+#: squirrelbattle/interfaces.py:467
 #, python-brace-format
 msgid "{name} dies."
 msgstr "{name} stirbt."
 
-#: squirrelbattle/interfaces.py:477
+#: squirrelbattle/interfaces.py:501
 #, python-brace-format
 msgid "{entity} said: {message}"
 msgstr "{entity} hat gesagt: {message}"
@@ -110,8 +149,8 @@ msgstr "{entity} hat gesagt: {message}"
 msgid "Back"
 msgstr "Zurück"
 
-#: squirrelbattle/tests/game_test.py:344 squirrelbattle/tests/game_test.py:347
+#: squirrelbattle/tests/game_test.py:358 squirrelbattle/tests/game_test.py:361
-#: squirrelbattle/tests/game_test.py:350 squirrelbattle/tests/game_test.py:353
+#: squirrelbattle/tests/game_test.py:364 squirrelbattle/tests/game_test.py:367
 #: squirrelbattle/tests/translations_test.py:16
 msgid "New game"
 msgstr "Neu Spiel"
@@ -197,57 +236,57 @@ msgid "Key used to wait"
 msgstr "Wartentaste"
 
 #: squirrelbattle/tests/translations_test.py:56
+msgid "Key used to use ladders"
+msgstr "Leitertaste"
+
+#: squirrelbattle/tests/translations_test.py:58
 msgid "Texture pack"
 msgstr "Textur-Packung"
 
-#: squirrelbattle/tests/translations_test.py:57
+#: squirrelbattle/tests/translations_test.py:59
 msgid "Language"
 msgstr "Sprache"
 
-#: squirrelbattle/tests/translations_test.py:60
+#: squirrelbattle/tests/translations_test.py:64
-msgid "player"
-msgstr "Spieler"
-
-#: squirrelbattle/tests/translations_test.py:62
 msgid "hedgehog"
 msgstr "Igel"
 
-#: squirrelbattle/tests/translations_test.py:63
+#: squirrelbattle/tests/translations_test.py:65
 msgid "merchant"
 msgstr "Kaufmann"
 
-#: squirrelbattle/tests/translations_test.py:64
+#: squirrelbattle/tests/translations_test.py:66
 msgid "rabbit"
 msgstr "Kanninchen"
 
-#: squirrelbattle/tests/translations_test.py:65
+#: squirrelbattle/tests/translations_test.py:67
 msgid "sunflower"
 msgstr "Sonnenblume"
 
-#: squirrelbattle/tests/translations_test.py:66
+#: squirrelbattle/tests/translations_test.py:68
 msgid "teddy bear"
 msgstr "Teddybär"
 
-#: squirrelbattle/tests/translations_test.py:67
+#: squirrelbattle/tests/translations_test.py:69
 msgid "tiger"
 msgstr "Tiger"
 
-#: squirrelbattle/tests/translations_test.py:69
+#: squirrelbattle/tests/translations_test.py:71
 msgid "body snatch potion"
 msgstr "Leichenfleddererzaubertrank"
 
-#: squirrelbattle/tests/translations_test.py:70
+#: squirrelbattle/tests/translations_test.py:72
 msgid "bomb"
 msgstr "Bombe"
 
-#: squirrelbattle/tests/translations_test.py:71
+#: squirrelbattle/tests/translations_test.py:73
 msgid "explosion"
 msgstr "Explosion"
 
-#: squirrelbattle/tests/translations_test.py:72
+#: squirrelbattle/tests/translations_test.py:74
 msgid "heart"
 msgstr "Herz"
 
-#: squirrelbattle/tests/translations_test.py:73
+#: squirrelbattle/tests/translations_test.py:75
 msgid "sword"
 msgstr "schwert"

squirrelbattle/locale/es/LC_MESSAGES/squirrelbattle.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: squirrelbattle 3.14.1\n"
 "Report-Msgid-Bugs-To: squirrel-battle@crans.org\n"
-"POT-Creation-Date: 2020-12-12 18:02+0100\n"
+"POT-Creation-Date: 2021-01-06 15:19+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -17,19 +17,44 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: squirrelbattle/display/menudisplay.py:139
+#, python-brace-format
+msgid "{name} takes {amount} damage."
+msgstr "{name} recibe {amount} daño."
+
+#: squirrelbattle/display/menudisplay.py:160
 msgid "INVENTORY"
 msgstr "INVENTORIO"
 
-#: squirrelbattle/display/menudisplay.py:164
+#: squirrelbattle/display/menudisplay.py:202
 msgid "STALL"
 msgstr "PUESTO"
 
-#: squirrelbattle/display/statsdisplay.py:33
+#: squirrelbattle/display/statsdisplay.py:23
+#: squirrelbattle/tests/translations_test.py:60
+msgid "player"
+msgstr "jugador"
+
+#: squirrelbattle/display/statsdisplay.py:35
 msgid "Inventory:"
 msgstr "Inventorio :"
 
 #: squirrelbattle/display/statsdisplay.py:52
+msgid "Equipped main:"
+msgstr ""
+
+#: squirrelbattle/display/statsdisplay.py:56
+msgid "Equipped secondary:"
+msgstr ""
+
+#: squirrelbattle/display/statsdisplay.py:61
+msgid "Equipped chestplate:"
+msgstr ""
+
+#: squirrelbattle/display/statsdisplay.py:65
+msgid "Equipped helmet:"
+msgstr ""
+
+#: squirrelbattle/display/statsdisplay.py:72
 msgid "YOU ARE DEAD"
 msgstr "ERES MUERTO"
 
@@ -48,20 +73,30 @@ msgstr "El sol está caliente hoy"
 #. The bomb is exploding.
 #. Each entity that is close to the bomb takes damages.
 #. The player earn XP if the entity was killed.
-#: squirrelbattle/entities/items.py:151
+#: squirrelbattle/entities/items.py:163
 msgid "Bomb is exploding."
 msgstr "La bomba está explotando."
 
-#: squirrelbattle/entities/items.py:248
+#: squirrelbattle/entities/items.py:344
 #, python-brace-format
 msgid "{player} exchanged its body with {entity}."
 msgstr "{player} intercambió su cuerpo con {entity}."
 
-#: squirrelbattle/game.py:205 squirrelbattle/tests/game_test.py:573
+#: squirrelbattle/game.py:182
+#, python-brace-format
+msgid "The player climbs down to the floor {floor}."
+msgstr ""
+
+#: squirrelbattle/game.py:195
+#, python-brace-format
+msgid "The player climbs up the floor {floor}."
+msgstr ""
+
+#: squirrelbattle/game.py:285 squirrelbattle/tests/game_test.py:592
 msgid "The buyer does not have enough money"
 msgstr "El comprador no tiene suficiente dinero"
 
-#: squirrelbattle/game.py:249
+#: squirrelbattle/game.py:328
 msgid ""
 "Some keys are missing in your save file.\n"
 "Your save seems to be corrupt. It got deleted."
@@ -69,7 +104,7 @@ msgstr ""
 "Algunas claves faltan en su archivo de guarda.\n"
 "Su guarda parece a ser corruptido. Fue eliminado."
 
-#: squirrelbattle/game.py:257
+#: squirrelbattle/game.py:336
 msgid ""
 "No player was found on this map!\n"
 "Maybe you died?"
@@ -77,7 +112,7 @@ msgstr ""
 "No jugador encontrado sobre la carta !\n"
 "¿ Quizas murió ?"
 
-#: squirrelbattle/game.py:277
+#: squirrelbattle/game.py:356
 msgid ""
 "The JSON file is not correct.\n"
 "Your save seems corrupted. It got deleted."
@@ -85,22 +120,26 @@ msgstr ""
 "El JSON archivo no es correcto.\n"
 "Su guarda parece corrupta. Fue eliminada."
 
-#: squirrelbattle/interfaces.py:429
+#: squirrelbattle/interfaces.py:452
+msgid "It's a critical hit!"
+msgstr ""
+
+#: squirrelbattle/interfaces.py:453
 #, python-brace-format
 msgid "{name} hits {opponent}."
 msgstr "{name} golpea a {opponent}."
 
-#: squirrelbattle/interfaces.py:441
+#: squirrelbattle/interfaces.py:465
 #, python-brace-format
-msgid "{name} takes {amount} damage."
+msgid "{name} takes {damage} damage."
-msgstr "{name} recibe {amount} daño."
+msgstr ""
 
-#: squirrelbattle/interfaces.py:443
+#: squirrelbattle/interfaces.py:467
 #, python-brace-format
 msgid "{name} dies."
 msgstr "{name} se muere."
 
-#: squirrelbattle/interfaces.py:477
+#: squirrelbattle/interfaces.py:501
 #, python-brace-format
 msgid "{entity} said: {message}"
 msgstr "{entity} dijo : {message}"
@@ -109,8 +148,8 @@ msgstr "{entity} dijo : {message}"
 msgid "Back"
 msgstr "Volver"
 
-#: squirrelbattle/tests/game_test.py:344 squirrelbattle/tests/game_test.py:347
+#: squirrelbattle/tests/game_test.py:358 squirrelbattle/tests/game_test.py:361
-#: squirrelbattle/tests/game_test.py:350 squirrelbattle/tests/game_test.py:353
+#: squirrelbattle/tests/game_test.py:364 squirrelbattle/tests/game_test.py:367
 #: squirrelbattle/tests/translations_test.py:16
 msgid "New game"
 msgstr "Nuevo partido"
@@ -196,57 +235,57 @@ msgid "Key used to wait"
 msgstr "Tecla para espera"
 
 #: squirrelbattle/tests/translations_test.py:56
+msgid "Key used to use ladders"
+msgstr "Tecla para el uso de las escaleras"
+
+#: squirrelbattle/tests/translations_test.py:58
 msgid "Texture pack"
 msgstr "Paquete de texturas"
 
-#: squirrelbattle/tests/translations_test.py:57
+#: squirrelbattle/tests/translations_test.py:59
 msgid "Language"
 msgstr "Languaje"
 
-#: squirrelbattle/tests/translations_test.py:60
+#: squirrelbattle/tests/translations_test.py:64
-msgid "player"
-msgstr "jugador"
-
-#: squirrelbattle/tests/translations_test.py:62
 msgid "hedgehog"
 msgstr "erizo"
 
-#: squirrelbattle/tests/translations_test.py:63
+#: squirrelbattle/tests/translations_test.py:65
 msgid "merchant"
 msgstr "comerciante"
 
-#: squirrelbattle/tests/translations_test.py:64
+#: squirrelbattle/tests/translations_test.py:66
 msgid "rabbit"
 msgstr "conejo"
 
-#: squirrelbattle/tests/translations_test.py:65
+#: squirrelbattle/tests/translations_test.py:67
 msgid "sunflower"
 msgstr "girasol"
 
-#: squirrelbattle/tests/translations_test.py:66
+#: squirrelbattle/tests/translations_test.py:68
 msgid "teddy bear"
 msgstr "osito de peluche"
 
-#: squirrelbattle/tests/translations_test.py:67
+#: squirrelbattle/tests/translations_test.py:69
 msgid "tiger"
 msgstr "tigre"
 
-#: squirrelbattle/tests/translations_test.py:69
+#: squirrelbattle/tests/translations_test.py:71
 msgid "body snatch potion"
 msgstr "poción de intercambio"
 
-#: squirrelbattle/tests/translations_test.py:70
+#: squirrelbattle/tests/translations_test.py:72
 msgid "bomb"
 msgstr "bomba"
 
-#: squirrelbattle/tests/translations_test.py:71
+#: squirrelbattle/tests/translations_test.py:73
 msgid "explosion"
 msgstr "explosión"
 
-#: squirrelbattle/tests/translations_test.py:72
+#: squirrelbattle/tests/translations_test.py:74
 msgid "heart"
 msgstr "corazón"
 
-#: squirrelbattle/tests/translations_test.py:73
+#: squirrelbattle/tests/translations_test.py:75
 msgid "sword"
 msgstr "espada"

squirrelbattle/locale/fr/LC_MESSAGES/squirrelbattle.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: squirrelbattle 3.14.1\n"
 "Report-Msgid-Bugs-To: squirrel-battle@crans.org\n"
-"POT-Creation-Date: 2020-12-12 18:02+0100\n"
+"POT-Creation-Date: 2021-01-06 15:19+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -17,19 +17,44 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: squirrelbattle/display/menudisplay.py:139
+#, python-brace-format
+msgid "{name} takes {amount} damage."
+msgstr "{name} prend {amount} points de dégât."
+
+#: squirrelbattle/display/menudisplay.py:160
 msgid "INVENTORY"
 msgstr "INVENTAIRE"
 
-#: squirrelbattle/display/menudisplay.py:164
+#: squirrelbattle/display/menudisplay.py:202
 msgid "STALL"
 msgstr "STAND"
 
-#: squirrelbattle/display/statsdisplay.py:33
+#: squirrelbattle/display/statsdisplay.py:23
+#: squirrelbattle/tests/translations_test.py:60
+msgid "player"
+msgstr "joueur"
+
+#: squirrelbattle/display/statsdisplay.py:35
 msgid "Inventory:"
 msgstr "Inventaire :"
 
 #: squirrelbattle/display/statsdisplay.py:52
+msgid "Equipped main:"
+msgstr "Équipement principal :"
+
+#: squirrelbattle/display/statsdisplay.py:56
+msgid "Equipped secondary:"
+msgstr "Équipement secondaire :"
+
+#: squirrelbattle/display/statsdisplay.py:61
+msgid "Equipped chestplate:"
+msgstr "Plastron équipé :"
+
+#: squirrelbattle/display/statsdisplay.py:65
+msgid "Equipped helmet:"
+msgstr "Casque équipé :"
+
+#: squirrelbattle/display/statsdisplay.py:72
 msgid "YOU ARE DEAD"
 msgstr "VOUS ÊTES MORT"
 
@@ -49,20 +74,30 @@ msgstr "Le soleil est chaud aujourd'hui"
 #. The bomb is exploding.
 #. Each entity that is close to the bomb takes damages.
 #. The player earn XP if the entity was killed.
-#: squirrelbattle/entities/items.py:151
+#: squirrelbattle/entities/items.py:163
 msgid "Bomb is exploding."
 msgstr "La bombe explose."
 
-#: squirrelbattle/entities/items.py:248
+#: squirrelbattle/entities/items.py:344
 #, python-brace-format
 msgid "{player} exchanged its body with {entity}."
 msgstr "{player} a échangé son corps avec {entity}."
 
-#: squirrelbattle/game.py:205 squirrelbattle/tests/game_test.py:573
+#: squirrelbattle/game.py:182
+#, python-brace-format
+msgid "The player climbs down to the floor {floor}."
+msgstr "Le joueur descend à l'étage {floor}."
+
+#: squirrelbattle/game.py:195
+#, python-brace-format
+msgid "The player climbs up the floor {floor}."
+msgstr "Le joueur monte à l'étage {floor}."
+
+#: squirrelbattle/game.py:285 squirrelbattle/tests/game_test.py:592
 msgid "The buyer does not have enough money"
 msgstr "L'acheteur n'a pas assez d'argent"
 
-#: squirrelbattle/game.py:249
+#: squirrelbattle/game.py:328
 msgid ""
 "Some keys are missing in your save file.\n"
 "Your save seems to be corrupt. It got deleted."
@@ -70,7 +105,7 @@ msgstr ""
 "Certaines clés de votre ficher de sauvegarde sont manquantes.\n"
 "Votre sauvegarde semble corrompue. Elle a été supprimée."
 
-#: squirrelbattle/game.py:257
+#: squirrelbattle/game.py:336
 msgid ""
 "No player was found on this map!\n"
 "Maybe you died?"
@@ -78,7 +113,7 @@ msgstr ""
 "Aucun joueur n'a été trouvé sur la carte !\n"
 "Peut-être êtes-vous mort ?"
 
-#: squirrelbattle/game.py:277
+#: squirrelbattle/game.py:356
 msgid ""
 "The JSON file is not correct.\n"
 "Your save seems corrupted. It got deleted."
@@ -86,22 +121,26 @@ msgstr ""
 "Le fichier JSON de sauvegarde est incorrect.\n"
 "Votre sauvegarde semble corrompue. Elle a été supprimée."
 
-#: squirrelbattle/interfaces.py:429
+#: squirrelbattle/interfaces.py:452
+msgid "It's a critical hit!"
+msgstr "C'est un coup critique !"
+
+#: squirrelbattle/interfaces.py:453
 #, python-brace-format
 msgid "{name} hits {opponent}."
 msgstr "{name} frappe {opponent}."
 
-#: squirrelbattle/interfaces.py:441
+#: squirrelbattle/interfaces.py:465
 #, python-brace-format
-msgid "{name} takes {amount} damage."
+msgid "{name} takes {damage} damage."
-msgstr "{name} prend {amount} points de dégât."
+msgstr "{name} prend {damage} dégâts."
 
-#: squirrelbattle/interfaces.py:443
+#: squirrelbattle/interfaces.py:467
 #, python-brace-format
 msgid "{name} dies."
 msgstr "{name} meurt."
 
-#: squirrelbattle/interfaces.py:477
+#: squirrelbattle/interfaces.py:501
 #, python-brace-format
 msgid "{entity} said: {message}"
 msgstr "{entity} a dit : {message}"
@@ -110,8 +149,8 @@ msgstr "{entity} a dit : {message}"
 msgid "Back"
 msgstr "Retour"
 
-#: squirrelbattle/tests/game_test.py:344 squirrelbattle/tests/game_test.py:347
+#: squirrelbattle/tests/game_test.py:358 squirrelbattle/tests/game_test.py:361
-#: squirrelbattle/tests/game_test.py:350 squirrelbattle/tests/game_test.py:353
+#: squirrelbattle/tests/game_test.py:364 squirrelbattle/tests/game_test.py:367
 #: squirrelbattle/tests/translations_test.py:16
 msgid "New game"
 msgstr "Nouvelle partie"
@@ -197,57 +236,57 @@ msgid "Key used to wait"
 msgstr "Touche pour attendre"
 
 #: squirrelbattle/tests/translations_test.py:56
+msgid "Key used to use ladders"
+msgstr "Touche pour utiliser les échelles"
+
+#: squirrelbattle/tests/translations_test.py:58
 msgid "Texture pack"
 msgstr "Pack de textures"
 
-#: squirrelbattle/tests/translations_test.py:57
+#: squirrelbattle/tests/translations_test.py:59
 msgid "Language"
 msgstr "Langue"
 
-#: squirrelbattle/tests/translations_test.py:60
+#: squirrelbattle/tests/translations_test.py:64
-msgid "player"
-msgstr "joueur"
-
-#: squirrelbattle/tests/translations_test.py:62
 msgid "hedgehog"
 msgstr "hérisson"
 
-#: squirrelbattle/tests/translations_test.py:63
+#: squirrelbattle/tests/translations_test.py:65
 msgid "merchant"
 msgstr "marchand"
 
-#: squirrelbattle/tests/translations_test.py:64
+#: squirrelbattle/tests/translations_test.py:66
 msgid "rabbit"
 msgstr "lapin"
 
-#: squirrelbattle/tests/translations_test.py:65
+#: squirrelbattle/tests/translations_test.py:67
 msgid "sunflower"
 msgstr "tournesol"
 
-#: squirrelbattle/tests/translations_test.py:66
+#: squirrelbattle/tests/translations_test.py:68
 msgid "teddy bear"
 msgstr "nounours"
 
-#: squirrelbattle/tests/translations_test.py:67
+#: squirrelbattle/tests/translations_test.py:69
 msgid "tiger"
 msgstr "tigre"
 
-#: squirrelbattle/tests/translations_test.py:69
+#: squirrelbattle/tests/translations_test.py:71
 msgid "body snatch potion"
 msgstr "potion d'arrachage de corps"
 
-#: squirrelbattle/tests/translations_test.py:70
+#: squirrelbattle/tests/translations_test.py:72
 msgid "bomb"
 msgstr "bombe"
 
-#: squirrelbattle/tests/translations_test.py:71
+#: squirrelbattle/tests/translations_test.py:73
 msgid "explosion"
-msgstr ""
+msgstr "explosion"
 
-#: squirrelbattle/tests/translations_test.py:72
+#: squirrelbattle/tests/translations_test.py:74
 msgid "heart"
 msgstr "cœur"
 
-#: squirrelbattle/tests/translations_test.py:73
+#: squirrelbattle/tests/translations_test.py:75
 msgid "sword"
 msgstr "épée"

squirrelbattle/settings.py

@@ -34,6 +34,7 @@ class Settings:
         self.KEY_DROP = ['r', 'Key used to drop an item in the inventory']
         self.KEY_CHAT = ['t', 'Key used to talk to a friendly entity']
         self.KEY_WAIT = ['w', 'Key used to wait']
+        self.KEY_LADDER = ['<', 'Key used to use ladders']
         self.TEXTURE_PACK = ['ascii', 'Texture pack']
         self.LOCALE = [locale.getlocale()[0][:2], 'Language']
 

squirrelbattle/tests/entities_test.py

@@ -78,6 +78,7 @@ class TestEntities(unittest.TestCase):
 {self.player.name.capitalize()} takes {entity.strength} damage.")
 
         # Fight the rabbit
+        self.player.critical = 0
         old_health = entity.health
         self.player.move_down()
         self.assertEqual(entity.health, old_health - self.player.strength)
@@ -177,7 +178,7 @@ class TestEntities(unittest.TestCase):
         self.assertEqual(item.y, 42)
         self.assertEqual(item.x, 42)
         # Wait for the explosion
-        for ignored in range(5):
+        for _ignored in range(5):
             item.act(self.map)
         self.assertTrue(hedgehog.dead)
         self.assertTrue(teddy_bear.dead)

squirrelbattle/tests/game_test.py

@@ -2,13 +2,16 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 import os
+import random
 import unittest
 
 from ..bootstrap import Bootstrap
 from ..display.display import Display
 from ..display.display_manager import DisplayManager
 from ..entities.friendly import Merchant, Sunflower
-from ..entities.items import Bomb, Heart, Sword, Explosion
+from ..entities.items import Bomb, Heart, Sword, Explosion, Shield, Helmet, \
+    Chestplate, RingCritical
+from ..entities.monsters import GiantSeaEagle
 from ..entities.player import Player
 from ..enums import DisplayActions
 from ..game import Game, KeyValues, GameMode
@@ -46,11 +49,6 @@ class TestGame(unittest.TestCase):
         bomb.hold(self.game.player)
         sword.hold(self.game.player)
 
-        for entity in self.game.map.entities:
-            # trumpets change order when they are loaded, this breaks the test.
-            if entity.name == 'trumpet':
-                self.game.map.remove_entity(entity)
-
         # Ensure that merchants can be saved
         merchant = Merchant()
         merchant.move(3, 6)
@@ -153,6 +151,9 @@ class TestGame(unittest.TestCase):
         self.assertEqual(KeyValues.translate_key(
             self.game.settings.KEY_WAIT, self.game.settings),
             KeyValues.WAIT)
+        self.assertEqual(KeyValues.translate_key(
+            self.game.settings.KEY_LADDER, self.game.settings),
+            KeyValues.LADDER)
         self.assertEqual(KeyValues.translate_key(' ', self.game.settings),
                          KeyValues.SPACE)
         self.assertEqual(KeyValues.translate_key('plop', self.game.settings),
@@ -343,7 +344,7 @@ class TestGame(unittest.TestCase):
         self.assertEqual(self.game.settings.KEY_LEFT_PRIMARY, 'a')
 
         # Navigate to "texture pack"
-        for ignored in range(11):
+        for ignored in range(12):
             self.game.handle_key_pressed(KeyValues.DOWN)
 
         # Change texture pack
@@ -615,6 +616,131 @@ class TestGame(unittest.TestCase):
         self.game.handle_key_pressed(KeyValues.SPACE)
         self.assertEqual(self.game.state, GameMode.PLAY)
 
+    def test_equipment(self) -> None:
+        """
+        Ensure that equipment is working.
+        """
+        self.game.state = GameMode.INVENTORY
+
+        # sword goes into the main equipment slot
+        sword = Sword()
+        sword.hold(self.game.player)
+        self.game.handle_key_pressed(KeyValues.EQUIP)
+        self.assertEqual(self.game.player.equipped_main, sword)
+        self.assertFalse(self.game.player.inventory)
+
+        # shield goes into the secondary equipment slot
+        shield = Shield()
+        shield.hold(self.game.player)
+        self.game.handle_key_pressed(KeyValues.EQUIP)
+        self.assertEqual(self.game.player.equipped_secondary, shield)
+        self.assertFalse(self.game.player.inventory)
+
+        # helmet goes into the helmet slot
+        helmet = Helmet()
+        helmet.hold(self.game.player)
+        self.game.handle_key_pressed(KeyValues.EQUIP)
+        self.assertEqual(self.game.player.equipped_helmet, helmet)
+        self.assertFalse(self.game.player.inventory)
+
+        # helmet goes into the armor slot
+        chestplate = Chestplate()
+        chestplate.hold(self.game.player)
+        self.game.handle_key_pressed(KeyValues.EQUIP)
+        self.assertEqual(self.game.player.equipped_armor, chestplate)
+        self.assertFalse(self.game.player.inventory)
+
+        # Use bomb
+        bomb = Bomb()
+        bomb.hold(self.game.player)
+        self.game.handle_key_pressed(KeyValues.EQUIP)
+        self.assertEqual(self.game.player.equipped_secondary, bomb)
+        self.assertIn(shield, self.game.player.inventory)
+        self.game.state = GameMode.PLAY
+        self.game.handle_key_pressed(KeyValues.USE)
+        self.assertIsNone(self.game.player.equipped_secondary)
+        self.game.state = GameMode.INVENTORY
+        self.game.handle_key_pressed(KeyValues.EQUIP)
+        self.assertEqual(self.game.player.equipped_secondary, shield)
+        self.assertFalse(self.game.player.inventory)
+
+        # Reequip, which is useless but covers code
+        sword.equip()
+        shield.equip()
+        helmet.equip()
+        chestplate.equip()
+        self.game.save_state()
+
+        # Unequip all
+        sword.unequip()
+        shield.unequip()
+        helmet.unequip()
+        chestplate.unequip()
+        self.assertIsNone(self.game.player.equipped_main)
+        self.assertIsNone(self.game.player.equipped_secondary)
+        self.assertIsNone(self.game.player.equipped_helmet)
+        self.assertIsNone(self.game.player.equipped_armor)
+        self.assertIn(sword, self.game.player.inventory)
+        self.assertIn(shield, self.game.player.inventory)
+        self.assertIn(helmet, self.game.player.inventory)
+        self.assertIn(chestplate, self.game.player.inventory)
+
+        # Test rings
+        self.game.player.inventory.clear()
+        ring = RingCritical()
+        ring.hold(self.game.player)
+        old_critical = self.game.player.critical
+        self.game.handle_key_pressed(KeyValues.EQUIP)
+        self.assertEqual(self.game.player.critical,
+                         old_critical + ring.critical)
+        self.game.save_state()
+        ring.unequip()
+
+    def test_critical_hit(self) -> None:
+        """
+        Ensure that critical hits are working.
+        """
+        random.seed(2)  # Next random.randint(1, 100) will output 8
+        self.game.player.critical = 10
+        sea_eagle = GiantSeaEagle()
+        self.game.map.add_entity(sea_eagle)
+        sea_eagle.move(2, 6)
+        old_health = sea_eagle.health
+        self.game.player.hit(sea_eagle)
+        self.assertEqual(sea_eagle.health,
+                         old_health - self.game.player.strength * 4)
+
+    def test_ladders(self) -> None:
+        """
+        Ensure that the player can climb on ladders.
+        """
+        self.game.state = GameMode.PLAY
+
+        self.assertEqual(self.game.player.map.floor, 0)
+        self.game.handle_key_pressed(KeyValues.LADDER)
+        self.assertEqual(self.game.player.map.floor, 0)
+
+        # Move nowhere
+        self.game.player.move(10, 10)
+        self.game.handle_key_pressed(KeyValues.LADDER)
+        self.assertEqual(self.game.player.map.floor, 0)
+
+        # Move down
+        self.game.player.move(3, 40)  # Move on a ladder
+        self.game.handle_key_pressed(KeyValues.LADDER)
+        self.assertEqual(self.game.map_index, 1)
+        self.assertEqual(self.game.player.map.floor, 1)
+        self.assertEqual(self.game.player.y, 1)
+        self.assertEqual(self.game.player.x, 17)
+        self.game.display_actions(DisplayActions.UPDATE)
+
+        # Move up
+        self.game.handle_key_pressed(KeyValues.LADDER)
+        self.assertEqual(self.game.player.map.floor, 0)
+        self.assertEqual(self.game.player.y, 3)
+        self.assertEqual(self.game.player.x, 40)
+        self.game.display_actions(DisplayActions.UPDATE)
+
     def test_credits(self) -> None:
         """
         Load credits menu.

squirrelbattle/tests/interfaces_test.py

@@ -4,7 +4,7 @@
 import unittest
 
 from squirrelbattle.display.texturepack import TexturePack
-from squirrelbattle.interfaces import Map, Tile
+from squirrelbattle.interfaces import Map, Tile, Slope
 from squirrelbattle.resources import ResourceManager
 
 
@@ -37,3 +37,21 @@ class TestInterfaces(unittest.TestCase):
         self.assertFalse(Tile.WALL.can_walk())
         self.assertFalse(Tile.EMPTY.can_walk())
         self.assertRaises(ValueError, Tile.from_ascii_char, 'unknown')
+
+    def test_slope(self) -> None:
+        """
+        Test good behaviour of slopes (basically vectors, compared according to
+        the determinant)
+        """
+        a = Slope(1, 1)
+        b = Slope(0, 1)
+        self.assertTrue(b < a)
+        self.assertTrue(b <= a)
+        self.assertTrue(a <= a)
+        self.assertTrue(a == a)
+        self.assertTrue(a > b)
+        self.assertTrue(a >= b)
+
+    # def test_visibility(self) -> None:
+        # m = Map.load(ResourceManager.get_asset_path("example_map_3.txt"))
+        # m.compute_visibility(1, 1, 50)

squirrelbattle/tests/translations_test.py

@@ -53,6 +53,8 @@ class TestTranslations(unittest.TestCase):
         self.assertEqual(_("Key used to talk to a friendly entity"),
                          "Touche pour parler à une entité pacifique")
         self.assertEqual(_("Key used to wait"), "Touche pour attendre")
+        self.assertEqual(_("Key used to use ladders"),
+                         "Touche pour utiliser les échelles")
         self.assertEqual(_("Texture pack"), "Pack de textures")
         self.assertEqual(_("Language"), "Langue")