def spawn_monsters(self, gamemap: GameMap) -> None:
monsters = randint(0, 3)
for _ in range(monsters):
x, y = self.random_coordinates()
if gamemap.is_blocked(x, y):
continue
# TODO: add code for random enemy type
spawn_entity(entities_db.monsters['orc'](), gamemap[x, y])
def spawn_items(self, gamemap: GameMap) -> None:
items = randint(0, 2)
for _ in range(items):
x, y = self.random_coordinates()
if gamemap.is_blocked(x, y):
continue
# TODO: add code for random enemy type
spawn_entity(entities_db.items['healing_potiont'](), gamemap[x, y])
def move_towards(self, game_map: GameMap, entities, x_target: int, y_target: int):
dx = x_target - self.x
dy = y_target - self.y
distance = math.sqrt(dx ** 2 + dy ** 2)
# Normalize
dx = int(round(dx / distance))
dy = int(round(dy / distance))
if not (game_map.is_blocked(self.x + dx, self.y + dy) or
Entity.get_blocking_entity_at_location(entities, self.x + dx, self.y + dy)):
self.move(dx, dy)
def push(self, game_map: GameMap, x_delta: int, y_delta: int):
"""
Attempts to push this in a direction.
Returns true if push was successful.
"""
if self.pushable:
x_new = self.x + x_delta
y_new = self.y + y_delta
if not game_map.is_blocked(x_new, y_new):
self.move(x_delta, y_delta)
return True
return False
def play_game(con, player, entities, animator: Animator, turn_count: int,
game_map: GameMap, message_log, game_state, panel, constants):
target_x, target_y = player.x, player.y
targeting_item = None
target_entity = None
while True:
fov_algorithm = 2
fov_light_walls = True
fov_radius = 20
fov_recompute = True
fov_map = initialize_fov(game_map)
if fov_recompute:
recompute_fov(fov_map, player.x, player.y, fov_radius,
fov_light_walls, fov_algorithm)
render_all(con, panel, entities, animator, player, game_map, fov_map,
fov_recompute, message_log, constants['screen_width'],
constants['screen_height'], constants['bar_width'],
constants['panel_height'], constants['panel_y'], game_state,
target_x, target_y, target_entity, turn_count)
tcod.console_flush()
clear_all(con, entities)
player_turn_results = []
animator.advance_frame()
# Handle Game State
if game_state == GameStates.ENEMY_TURN:
turn_count += 1
# Generate path map with all static tiles (ignore entities for now)
path_map = generate_path_map(game_map,
entities=None,
player=player)
for entity in entities:
if entity.ai and entity.ai != Player:
recompute_walkable(fov_map, game_map, entities, entity)
entity_turn_results = entity.ai.take_turn(
player, fov_map, game_map, entities, path_map)
for entity_turn_result in entity_turn_results:
message = entity_turn_result.get('message')
dead_entity = entity_turn_result.get('dead')
if message:
message_log.add_message(message)
if dead_entity:
if dead_entity == player:
message, game_state = kill_player(player)
else:
message = kill_entity(dead_entity)
message_log.add_message(message)
if game_state == GameStates.PLAYER_DEAD:
break
if game_state == GameStates.PLAYER_DEAD:
break
else:
game_state = GameStates.PLAYER_TURN
# Handle Events
for event in tcod.event.wait():
if event.type == "QUIT":
save_game(player, entities, animator, turn_count, game_map,
message_log, game_state)
raise SystemExit()
if event.type == "KEYDOWN":
action: [Action, None] = handle_keys(event.sym, game_state)
if action is None:
continue
action_type: ActionType = action.action_type
if action_type == ActionType.EXECUTE:
if game_state == GameStates.TARGETING:
item_use_results = player.body.use_selected_appendage(
entities=entities,
fov_map=fov_map,
game_map=game_map,
target_x=target_x,
target_y=target_y)
player_turn_results.extend(item_use_results)
game_state = GameStates.ENEMY_TURN
elif game_state == GameStates.LOOKING:
look_results = []
looked_at_entities = get_entities_at_location(
entities, target_x, target_y)
if tcod.map_is_in_fov(fov_map, target_x, target_y):
if looked_at_entities:
for entity in looked_at_entities:
look_results.extend(
entity.get_description())
target_entity = entity
else:
if game_map.tiles[target_x][target_y].blocked:
look_results.append({
'message':
Message("You stare at the wall.")
})
else:
look_results.append({
'message':
Message("You stare into empty space.")
})
else:
look_results.append({
'message':
Message("You can't see that far.")
})
game_state = GameStates.PLAYER_TURN
player_turn_results.extend(look_results)
if action_type == ActionType.MOVEMENT:
dx: int = action.kwargs.get("dx", 0)
dy: int = action.kwargs.get("dy", 0)
# Player Movement
if game_state == GameStates.PLAYER_TURN:
destination_x = player.x + dx
destination_y = player.y + dy
tile_results = game_map.tiles[destination_x][
destination_y].overlap_entity(player)
player_turn_results.extend(tile_results)
if not game_map.is_blocked(destination_x,
destination_y):
target_appendage = get_blocking_entities_at_location(
entities, destination_x, destination_y)
if target_appendage:
if target_appendage.body:
player_fighter = player.body.selected_appendage.fighter
if player_fighter:
target_entity = target_appendage
game_state = GameStates.TARGET_APPENDAGE
else:
player_turn_results.append({
'message':
Message(
"You cannot attack with your {0}."
.format(
player.body.
selected_appendage.name),
tcod.yellow)
})
elif target_appendage.structure:
structure_interact_results = target_appendage.structure.interact(
player)
player_turn_results.extend(
structure_interact_results)
else:
player.move(dx, dy)
else:
player_turn_results.append({
'message':
Message("You slam yourself into the wall!",
tcod.orange)
})
if game_state != GameStates.TARGET_APPENDAGE:
game_state = GameStates.ENEMY_TURN
# Targeting
elif game_state in (GameStates.TARGETING,
GameStates.LOOKING):
new_x = target_x + dx
new_y = target_y + dy
if player.distance(new_x, new_y) < targeting_radius:
target_x = new_x
target_y = new_y
elif action_type == ActionType.GRAB:
for entity in entities:
if entity.item and entity.x == player.x and entity.y == player.y:
pickup_result = player.body.grab_entity(entity)
player_turn_results.extend(pickup_result)
break
else:
player_turn_results.append({
'message':
Message('You grab at the air', tcod.yellow)
})
game_state = GameStates.ENEMY_TURN
elif action_type == ActionType.LOOK:
game_state = GameStates.LOOKING
target_x, target_y = player.x, player.y
targeting_radius = 100
elif action_type == ActionType.WAIT:
player_turn_results.append({
'message':
Message('You stare blankly into space', tcod.yellow)
})
game_state = GameStates.ENEMY_TURN
elif action_type == ActionType.CHOOSE_OPTION:
option_index = action.kwargs.get("option_index", None)
if game_state == GameStates.SWAP_APPENDAGE:
if option_index < len(player.body.appendages):
item = player.body.appendages[option_index]
swap_results = player.body.select_appendage(item)
player_turn_results.extend(swap_results)
game_state = GameStates.PLAYER_TURN
elif game_state == GameStates.TARGET_APPENDAGE:
if option_index < len(target_entity.body.appendages):
target_appendage = target_entity.body.appendages[
option_index]
attack_results = player.body.selected_appendage.fighter.attack_appendage(
target_appendage)
player_turn_results.extend(attack_results)
game_state = GameStates.ENEMY_TURN
elif action_type == ActionType.INTERACT:
for entity in entities:
if entity.structure and entity.x == player.x and entity.y == player.y:
interact_results = entity.structure.interact(
player)
player_turn_results.extend(interact_results)
break
else:
if game_state == GameStates.PLAYER_TURN:
activate_item_results = player.body.use_selected_appendage(
fov_map=fov_map,
game_map=game_map,
entities=entities)
if activate_item_results:
player_turn_results.extend(
activate_item_results)
game_state = GameStates.ENEMY_TURN
elif action_type == ActionType.DROP_INVENTORY_ITEM:
grabber = player.body.selected_appendage.grabber
if grabber:
player_turn_results.extend(grabber.drop())
# game_state = GameStates.DROP_INVENTORY
elif action_type == ActionType.SWAP_APPENDAGE:
game_state = GameStates.SWAP_APPENDAGE
elif action_type == ActionType.ESCAPE:
if game_state == GameStates.TARGETING:
game_state = GameStates.PLAYER_TURN
elif game_state == GameStates.PLAYER_TURN:
save_game(player, entities, animator, turn_count,
game_map, message_log, game_state)
main()
elif action_type == ActionType.RESTART:
main()
# Process player turn results
for player_turn_result in player_turn_results:
message = player_turn_result.get('message')
dead_entity = player_turn_result.get('dead')
item_added = player_turn_result.get('item_added')
item_consumed = player_turn_result.get('consumed')
item_dropped = player_turn_result.get('item_dropped')
targeting = player_turn_result.get('targeting')
next_floor = player_turn_result.get('next_floor')
if message:
message_log.add_message(message)
if dead_entity:
if dead_entity == player:
message, game_state = kill_player(player)
else:
message_log.add_message(kill_entity(dead_entity))
if item_added:
entities.remove(item_added)
game_state = GameStates.ENEMY_TURN
if item_dropped:
entities.append(item_dropped)
game_state = GameStates.ENEMY_TURN
if targeting:
game_state = GameStates.TARGETING
targeting_item = targeting
targeting_radius = targeting.item.targeting_radius
target_x = player.x
target_y = player.y
message_log.add_message(
Message("You begin aiming the {0}.".format(
targeting.name)))
# TODO: Replace occurrences of add_message with player_turn_result approach
# player_turn_results.append({'message': Message("You begin aiming the {0}.".format(targeting.name))})
if next_floor:
entities = game_map.next_floor(player, constants)
fov_map = initialize_fov(game_map)
tcod.console_clear(con)
class Engine():
def __init__(self):
# Set up the game window
#libtcod.console_set_custom_font('spritesheet.png', libtcod.FONT_TYPE_GREYSCALE | libtcod.FONT_LAYOUT_TCOD)
libtcod.console_set_custom_font(
'Winterwing_Curses.png',
libtcod.FONT_TYPE_GREYSCALE | libtcod.FONT_LAYOUT_ASCII_INROW)
libtcod.console_init_root(game_constants.screen_width,
game_constants.screen_height,
'Ascetic of the Cabal',
True,
libtcod.RENDERER_SDL2,
vsync=True)
# Establish the primary console as well as the detail panel
self.con = libtcod.console.Console(game_constants.screen_width,
game_constants.screen_height)
self.panel = libtcod.console.Console(game_constants.screen_width,
game_constants.panel_height)
# Create references for the player input
self.key = libtcod.Key()
self.mouse = libtcod.Mouse()
self.initialize_game()
# Initializes a lot of run-specific items. Kept outside of init because it has to be re-run on a restart
def initialize_game(self):
# Create and initialize the Message Log
self.message_log = MessageLog()
#Initialize the player
self.player = self.initialize_player()
# Create a game map and fill it with enemies
self.build_map()
self.player_target = None
# Establish the Game State
self.game_map.compute_dijkstra_map([self.player], 'player', True)
self.game_map.compute_dijkstra_map(
self.entities.get_sublist(lambda x: x.name != "Ascetic"),
"enemies")
self.game_state = GameStates.PLAYERS_TURN
self.previous_game_state = GameStates.PLAYERS_TURN
self.game_running = True
# Creates the player object, with all associated defaults
# This can and probably should be moved to another file
def initialize_player(self):
player_components = {
"Fighter":
Fighter(hp=300, defense=2, power=5, factions=[Factions.PLAYER]),
"Inventory":
Inventory(26),
"Devotee":
Devotee(100),
"StatusContainer":
StatusContainer()
}
player = Entity(int(game_constants.screen_width / 2),
int(game_constants.screen_height / 2),
'@',
libtcod.white,
"Ascetic",
True,
RenderOrder.ACTOR,
message_log=self.message_log,
state=AIStates.INANIMATE,
components=player_components)
player.get_component("Inventory").equip_item(
generate_starting_pistol(self.message_log))
return player
# Generates a game map and initializes the FOV map of it
def build_map(self, level=1):
self.game_map = GameMap(self.message_log, level)
self.entities = Entities(self.game_map)
self.game_map.make_map(self.player, self.entities)
self.entities.insert_entity(self.player)
self.fov_recompute = True
self.fov_map = initialize_fov(self.game_map)
# Literally 0 recollection what this does
def grade_map_down(self):
self.game_map.grade_down()
def cull_dead(self):
# Finds every entity in the game world with 0 or less health and kills them
# Returns true if it kills the player, otherwise false
player_killed = False
dead_entities = self.entities.get_sublist(
lambda x: x.has_component("Fighter") and not x.get_component(
"Fighter").isAlive() and x.char != '%')
if dead_entities:
for dead_entity in dead_entities:
drop = dead_entity.get_component("Fighter").die()
if drop:
self.entities.insert_entity(drop)
if dead_entity == self.player:
player_killed = True
return player_killed
def send_invalid_action_message(self):
self.message_log.add_message(Message("Can't do that here"),
libtcod.red)
# Initializes the game's start menu, and captures any player input on that menu and passes it to the appropriate handler
def start_screen(self):
show_main_menu = True
while show_main_menu:
libtcod.sys_check_for_event(
libtcod.EVENT_KEY_PRESS | libtcod.EVENT_MOUSE, self.key,
self.mouse)
main_menu(self.con, game_constants.main_menu_background_image)
libtcod.console_flush()
action = handle_keys(self.key, GameStates.MAIN_MENU)
game_type = action.get('game_start')
exit_game = action.get('action') == 'exit'
if exit_game:
return False
elif game_type == 'from_scratch':
return True
elif game_type == 'from_save':
self.player, self.entities, self.game_map, self.message_log, self.game_state = load_game(
)
self.fov_map = initialize_fov(self.game_map)
self.entities.set_log_all(self.message_log)
return True
def main(self):
# Game Loop
while self.game_running:
# Check input streams for an event
libtcod.sys_check_for_event(
libtcod.EVENT_KEY_PRESS | libtcod.EVENT_MOUSE, self.key,
self.mouse)
# If we need to recompute fov, do so
if self.fov_recompute:
recompute_fov(self.fov_map, self.player.x, self.player.y)
# Render the game world according to current FOV, mark FOV recompute as complete, and flush to console
render_all(self.con, self.panel, self.entities, self.player,
self.game_map, self.fov_map, self.fov_recompute,
self.message_log, self.mouse, self.game_state,
self.player_target)
self.fov_recompute = False
libtcod.console_flush()
# Interpret the input into a game action
input = handle_keys(self.key, self.game_state)
action = input.get('action')
inventory_item = input.get(
'inventory_item') if 'inventory_item' in input else None
dialogue_option = input.get(
'dialogue_option') if 'dialogue_option' in input else None
shop_option = input.get(
'shop_option') if 'shop_option' in input else None
unequip_item = input.get('slot') if 'slot' in input else None
# If players turned and it's their turn to move
if action == 'move' and self.game_state == GameStates.PLAYERS_TURN:
# Calculate where they should move
dx, dy = input.get('move')
destination_x = self.player.x + dx
destination_y = self.player.y + dy
# TODO: This is where you hid the noclip check. Fix this for release
#if not self.game_map.is_blocked(destination_x, destination_y):
if True:
# If they're not about to walk into a wall, check for enemies at the destination
potential_collision_list = self.entities.get_sublist(
lambda ent: ent.x == destination_x and ent.y ==
destination_y and ent.blocks)
target = potential_collision_list[
0] if potential_collision_list else None
if target and target.state == AIStates.HOSTILE:
# If there are enemies, attack them
self.player.get_component("Fighter").attack(target)
self.game_state = GameStates.ENEMY_TURN
elif target and target.state == AIStates.FRIENDLY:
self.previous_game_state = self.game_state
self.player_target = target
self.game_state = GameStates.DIALOGUE
else:
# If there are not enemies, move and mark FOV for recomputation
self.player.move(dx, dy, self.game_map)
self.fov_recompute = True
self.game_map.compute_dijkstra_map([self.player],
'player', True)
self.game_state = GameStates.ENEMY_TURN
# If the player grabs something, check if there is an object at their feet, and either have them pick it up (if it's an Item) or add it to their wallet (if it's money)
elif action == 'grab' and self.game_state == GameStates.PLAYERS_TURN:
for item in self.entities.get_sublist(
lambda entity: (entity.has_component("Item") or entity.
has_component("Money")) and entity.x ==
self.player.x and entity.y == self.player.y):
if item.has_component("Money"):
self.player.get_component("Fighter").pick_up_money(
item)
else:
self.player.get_component("Inventory").add_item(item)
self.entities.remove_entity(item)
self.game_state = GameStates.ENEMY_TURN
# Open up the inventory menu
elif action == 'inventory' and inventory_item is None:
self.previous_game_state = self.game_state
self.game_state = GameStates.INVENTORY_OPEN
# Open up the equipped menu
elif action == 'equipped':
self.previous_game_state = self.game_state
self.game_state = GameStates.EQUIPPED_OPEN
elif action == 'unequip' and self.game_state == GameStates.EQUIPPED_OPEN:
self.player.get_component("Inventory").unequip_slot(
unequip_item)
# if the player has selected an inventory item to use, get the item object, and equip it if it's vgear, or use it if it's a consumable (like a potion)
elif inventory_item is not None and self.previous_game_state != GameStates.PLAYER_DEAD and inventory_item < len(
self.player.get_component("Inventory").items):
item_entity = self.player.get_component(
"Inventory").items[inventory_item]
if ItemType(item_entity.get_component(
"Item").item_type) != ItemType.NONE:
self.player.get_component("Inventory").equip_item(
item_entity)
else:
print("In the else")
if item_entity.get_component("Item").use(self.player):
self.player.get_component("Inventory").remove_item(
item_entity)
# if the player is in dialogue, provide the dialogue option to the target's Character object
elif dialogue_option is not None:
dialogue_response = self.player_target.get_component(
"Character").talk(dialogue_option)
if dialogue_response.shop:
self.game_state = GameStates.SHOPPING
# if the player attempts to go down some stairs, make sure they're on stairs, then build a new map and clear the console
elif action == 'go_down' and self.game_state == GameStates.PLAYERS_TURN:
stairs_candidates = self.entities.get_sublist(
lambda entity: entity.x == self.player.x and entity.y ==
self.player.y and entity.has_component("Stairs"))
if stairs_candidates:
self.build_map(
stairs_candidates[0].get_component("Stairs").floor)
libtcod.console_clear(self.con)
# Save the game
elif action == 'save':
save_game(self.player, self.entities, self.game_map,
self.message_log, self.game_state)
# if the player draws their gun, change to a player shoot state and await gunfire
elif self.game_state == GameStates.PLAYERS_TURN and action == 'gun':
if (self.player.get_component("Inventory").slot_filled(
"RANGED")):
self.previous_game_state = self.game_state
self.game_state = GameStates.PLAYER_SHOOT
self.message_log.add_message(
Message(
"Taking aim. Click on your target, or e to holster"
))
else:
self.message_log.add_message(
Message("No ranged weapon equipped!"))
# if the player already has their gun drawn and presses the draw button, holster it instead
elif self.game_state == GameStates.PLAYER_SHOOT and action == 'holster':
self.game_state = self.previous_game_state
self.message_log.add_message(Message("Holstered your weapon"))
# if the player has their gun drawn and clicks on a target, check if there is line of sight
# and if so, shoot the target. This sets the AI to hostile if it isn't already (this should be handled by Fighter)
elif self.game_state == GameStates.PLAYER_SHOOT and self.mouse.lbutton_pressed:
target = get_shoot_target(self.mouse, self.entities,
self.fov_map)
if (target):
line_of_sight = draw_line((self.player.x, self.player.y),
(target.x, target.y))
if not [
space for space in line_of_sight
if self.game_map.is_blocked(space[0], space[1])
]:
self.player.get_component("Fighter").ranged_attack(
target)
target.state = AIStates.HOSTILE
self.game_state = GameStates.ENEMY_TURN
else:
self.message_log.add_message(
Message("You don't have a clear line of sight!"))
# if the player right clicks something, get open up the inspect menu for that target
elif self.mouse.rbutton_pressed and self.game_state != GameStates.INSPECT_OPEN:
target = get_shoot_target(self.mouse, self.entities,
self.fov_map, False)
if (target):
self.player_target = target
self.previous_game_state = self.game_state
self.game_state = GameStates.INSPECT_OPEN
# If the player is buying something, they make the purchase
elif action == 'buy' and shop_option is not None:
target.get_component("Shop").purchase(shop_option, self.player)
elif action == 'status':
self.previous_game_state = self.game_state
self.game_state = GameStates.STATUS
# Exit the game
if action == 'exit' and (self.game_state in [
GameStates.INVENTORY_OPEN, GameStates.DIALOGUE,
GameStates.EQUIPPED_OPEN, GameStates.SHOPPING,
GameStates.INSPECT_OPEN, GameStates.STATUS
]):
self.game_state = self.previous_game_state
elif action == 'exit':
return True
# Set the game to fullscreen
if action == 'fullscreen':
libtcod.console_set_fullscreen(
not libtcod.console_is_fullscreen())
# cull_dead returns true if the player is dead, so this conditional calls it to cull the dead, and then
# checks if the game is over
if self.cull_dead():
self.game_state = GameStates.PLAYER_DEAD
# when it's the AI's turn, find every entity that has AI and move it (if it's hostile)
if self.game_state == GameStates.ENEMY_TURN:
for entity in self.entities.get_entity_set():
if entity.has_component(
"AI") and entity.state == AIStates.HOSTILE:
entity.get_component("AI").take_turn(
self.player, self.fov_map, self.game_map,
self.entities)
if self.cull_dead():
self.game_state = GameStates.PLAYER_DEAD
if entity.has_component("StatusContainer"):
entity.get_component("StatusContainer").tick_clocks()
for status in entity.get_component(
"StatusContainer").get_statuses():
status_mapping[status](entity, self.entities,
self.game_map)
if self.game_state != GameStates.PLAYER_DEAD:
self.player.get_component("StatusContainer").tick_clocks()
for status in self.player.get_component(
"StatusContainer").get_statuses():
status_mapping[status](self.player, self.entities,
self.game_map)
self.game_map.compute_dijkstra_map(
self.entities.get_sublist(
lambda x: x.name != "Ascetic"), "enemies")
self.game_state = GameStates.PLAYERS_TURN
# TODO: need a check somewhere around here to tick condition clocks, and then to apply conditions
if action == 'restart':
libtcod.console_clear(self.con)
self.initialize_game()
def play_game(player: Entity, entities: List[Entity], game_map: GameMap,
message_log: MessageLog, game_state: GameStates,
root_console: tcod.console.Console, con: tcod.console.Console,
panel: tcod.console.Console) -> None:
fov_recompute = True
fov_map = initialize_fov(game_map)
mouse = tcod.event.Point(-1, -1)
if player.fighter.hp > 0:
game_state = GameStates.PLAYERS_TURN
else:
game_state = GameStates.PLAYER_DEAD
previous_game_state = game_state
targeting_item = None
while True:
action: UserAction = {}
for event in tcod.event.wait(1):
if event.type == 'QUIT':
# XXX: what happens if I do this when in the character screen?
# or inventory? or while targeting? will the game load fine?
save_game(player, entities, game_map, message_log, game_state)
sys.exit()
elif event.type == 'KEYDOWN':
action = handle_keys(event, game_state, mouse)
elif event.type == 'MOUSEMOTION':
mouse = event.tile
elif event.type == 'MOUSEBUTTONDOWN':
mouse = event.tile
action = handle_mouse(event)
if action:
break
if fov_recompute:
recompute_fov(fov_map, player.x, player.y, constants.fov_radius,
constants.fov_light_walls, constants.fov_algorithm)
target_radius = 0
if targeting_item and targeting_item.item:
target_radius = targeting_item.item.function_kwargs.get(
'radius', 0)
render_all(
root_console,
con,
panel,
entities,
player,
game_map,
fov_map,
fov_recompute,
message_log,
constants.screen_width,
constants.screen_height,
constants.bar_width,
constants.panel_height,
constants.panel_y,
mouse,
constants.colors,
game_state,
target_radius,
)
fov_recompute = False
tcod.console_flush()
clear_all(con, entities)
move = action.get('move')
wait = action.get('wait')
pickup = action.get('pickup')
show_inventory = action.get('show_inventory')
drop_inventory = action.get('drop_inventory')
inventory_index = action.get('inventory_index')
show_character_screen = action.get('show_character_screen')
take_stairs = action.get('take_stairs')
level_up = action.get('level_up')
exit = action.get('exit')
fullscreen = action.get('fullscreen')
left_click = action.get('left_click')
right_click = action.get('right_click')
player_turn_results: ActionResults = []
if move and game_state == GameStates.PLAYERS_TURN:
dx, dy = move
new_x = player.x + dx
new_y = player.y + dy
if not game_map.is_blocked(new_x, new_y):
target = get_blocking_entities_at_location(
entities, new_x, new_y)
if target:
player_turn_results.extend(player.fighter.attack(target))
else:
player.move(dx, dy)
fov_recompute = True
game_state = GameStates.ENEMY_TURN
if wait and game_state == GameStates.PLAYERS_TURN:
game_state = GameStates.ENEMY_TURN
if pickup and game_state == GameStates.PLAYERS_TURN:
for entity in entities:
if (entity.x == player.x and entity.y == player.y
and entity.item):
player_turn_results.extend(
player.inventory.add_item(entity))
break
else:
message_log.add_message(
Message('There is nothing here to pick up.', tcod.yellow))
if show_inventory:
previous_game_state = game_state
game_state = GameStates.SHOW_INVENTORY
if drop_inventory:
previous_game_state = game_state
game_state = GameStates.DROP_INVENTORY
if (inventory_index is not None
and previous_game_state != GameStates.PLAYER_DEAD
and inventory_index < len(player.inventory.items)):
item = player.inventory.items[inventory_index]
if game_state == GameStates.SHOW_INVENTORY:
player_turn_results.extend(
player.inventory.use(item,
entities=entities,
fov_map=fov_map))
elif game_state == GameStates.DROP_INVENTORY:
player_turn_results.extend(player.inventory.drop_item(item))
if take_stairs and game_state == GameStates.PLAYERS_TURN:
for entity in entities:
if (entity.stairs and entity.x == player.x
and entity.y == player.y):
save_game(player, entities, game_map, message_log,
game_state)
entities = game_map.next_floor(player, message_log,
constants)
fov_map = initialize_fov(game_map)
fov_recompute = True
con.clear()
break
else:
message_log.add_message(
Message('There are no stairs here.', tcod.yellow))
if level_up:
if level_up == 'hp':
player.fighter.base_max_hp += 20
player.fighter.hp += 20
elif level_up == 'str':
player.fighter.base_power += 1
elif level_up == 'def':
player.fighter.base_defense += 1
game_state = previous_game_state
if show_character_screen:
previous_game_state = game_state
game_state = GameStates.CHARACTER_SCREEN
if game_state == GameStates.TARGETING:
if left_click:
target_x, target_y = left_click
player_turn_results.extend(
player.inventory.use(targeting_item,
entities=entities,
fov_map=fov_map,
target_x=target_x,
target_y=target_y))
elif right_click:
player_turn_results.append({
'targeting_cancelled': True,
})
if exit:
if game_state in (GameStates.SHOW_INVENTORY,
GameStates.DROP_INVENTORY,
GameStates.CHARACTER_SCREEN):
game_state = previous_game_state
elif game_state == GameStates.TARGETING:
player_turn_results.append({
'targeting_cancelled': True,
})
else:
save_game(player, entities, game_map, message_log, game_state)
return
if fullscreen:
tcod.console_set_fullscreen(not tcod.console_is_fullscreen())
for player_turn_result in player_turn_results:
message = player_turn_result.get('message')
dead_entity = player_turn_result.get('dead')
item_added: Optional[Entity] = player_turn_result.get('item_added')
item_consumed = player_turn_result.get('consumed')
item_dropped = player_turn_result.get('item_dropped')
equip = player_turn_result.get('equip')
targeting = player_turn_result.get('targeting')
targeting_cancelled = player_turn_result.get('targeting_cancelled')
xp = player_turn_result.get('xp')
if message:
message_log.add_message(message)
if dead_entity:
if dead_entity == player:
message, game_state = kill_player(dead_entity)
else:
message = kill_monster(dead_entity)
message_log.add_message(message)
if item_added:
entities.remove(item_added)
game_state = GameStates.ENEMY_TURN
if item_consumed:
game_state = GameStates.ENEMY_TURN
if targeting:
previous_game_state = GameStates.PLAYERS_TURN
game_state = GameStates.TARGETING
targeting_item = targeting
message_log.add_message(targeting_item.item.targeting_message)
if targeting_cancelled:
game_state = previous_game_state
message_log.add_message(Message('Targeting cancelled'))
if item_dropped:
entities.append(item_dropped)
game_state = GameStates.ENEMY_TURN
if equip:
equip_results = player.equipment.toggle_equip(equip)
for equip_result in equip_results:
equipped = equip_result.get('equipped')
dequipped = equip_result.get('dequipped')
if equipped:
message_log.add_message(
Message(f"You equipped the {equipped.name}."))
if dequipped:
message_log.add_message(
Message(f"You removed the {dequipped.name}."))
game_state = GameStates.ENEMY_TURN
if xp:
leveled_up = player.level.add_xp(xp)
message_log.add_message(
Message(f'You gain {xp} experience points.'))
if leveled_up:
message_log.add_message(
Message(
f'Your battle skills grow stronger!'
f' You reached level {player.level.current_level}!',
tcod.yellow))
previous_game_state = game_state
game_state = GameStates.LEVEL_UP
if game_state == GameStates.ENEMY_TURN:
for entity in entities:
if entity.ai:
enemy_turn_results = entity.ai.take_turn(
player, fov_map, game_map, entities)
for enemy_turn_result in enemy_turn_results:
message = enemy_turn_result.get('message')
dead_entity = enemy_turn_result.get('dead')
if message:
message_log.add_message(message)
if dead_entity:
if dead_entity == player:
message, game_state = kill_player(dead_entity)
else:
message = kill_monster(dead_entity)
message_log.add_message(message)
if game_state == GameStates.PLAYER_DEAD:
break
if game_state == GameStates.PLAYER_DEAD:
break
else:
game_state = GameStates.PLAYERS_TURN
class Game:
def __init__(self):
# Initialization
libtcodpy.console_set_custom_font('src/arial10x10.png', libtcodpy.FONT_TYPE_GREYSCALE | libtcodpy.FONT_LAYOUT_TCOD)
libtcodpy.console_init_root(settings.SCREEN_WIDTH, settings.SCREEN_HEIGHT, 'ROGuelike TUTorial', False)
libtcodpy.sys_set_fps(settings.LIMIT_FPS)
self.con = libtcodpy.console_new(settings.SCREEN_WIDTH, settings.SCREEN_HEIGHT)
self.game_map = GameMap(self.con)
player_x, player_y = self.game_map.get_staring_position()
# game objects
self.player = Player(
'Player',
self.con,
player_x, player_y, '@',
fighter=Fighter(hp=15, defense=5, power=5, death_function=player_death))
npc_x, npc_y = self.game_map.get_ending_position()
self.npc = Npc('Trader', self.con, npc_x, npc_y, '@')
self.objects = [self.npc, self.player]
self.npcs = [self.npc]
for monster in self.game_map.place_monsters():
self.objects.append(monster)
if hasattr(monster, 'is_selfmoving') and monster.is_selfmoving:
self.npcs.append(monster)
self.game_state = 'playing'
self.player_action = None
def is_blocked_and_target(self, x, y):
#first test the map tile
if self.game_map.is_blocked(x, y):
return (True, None)
#now check for any blocking objects
for obj in self.objects:
if obj.x == x and obj.y == y:
return (obj.blocks, obj)
return (False, None)
def is_blocked(self, x, y):
_is_blocked, _ = self.is_blocked_and_target(x, y)
return _is_blocked
def render_all(self):
self.game_map.render(self.player.x, self.player.y)
#draw all objects in the list
for obj in self.objects:
obj.draw()
#blit the contents of "con" to the root console
libtcodpy.console_blit(self.con, 0, 0, settings.SCREEN_WIDTH, settings.SCREEN_HEIGHT, 0, 0, 0)
#show the player's stats
libtcodpy.console_set_default_foreground(self.con, libtcodpy.white)
libtcodpy.console_print_ex(
self.con,
1,
settings.SCREEN_HEIGHT - 2,
libtcodpy.BKGND_NONE,
libtcodpy.LEFT,
f'HP: {str(self.player.fighter.hp)} / {str(self.player.fighter.max_hp)}'
)
def clear_objects(self):
#erase all objects at their old locations, before they move
for obj in self.objects:
obj.clear()
def move_npcs(self):
# move npc
for npc in self.npcs:
npc.move(self.is_blocked)
def handle_keys(self):
#key = libtcod.console_check_for_keypress() #real-time
key = libtcodpy.console_wait_for_keypress(True) #turn-based
#let monsters take their turn
if self.game_state == 'playing' and self.player_action != 'didnt-take-turn':
for obj in self.objects:
if obj.ai:
obj.ai.take_turn(self.game_map, self.player)
if self.game_state == 'playing':
if key.vk == libtcodpy.KEY_ENTER and key.lalt:
#Alt+Enter: toggle fullscreen
libtcodpy.console_set_fullscreen(not libtcodpy.console_is_fullscreen())
elif key.vk == libtcodpy.KEY_ESCAPE:
return 'exit' #exit game
#movement keys
if libtcodpy.console_is_key_pressed(libtcodpy.KEY_UP):
self.game_map.fov_recompute = self.player.move(0, -1, self.is_blocked_and_target)
elif libtcodpy.console_is_key_pressed(libtcodpy.KEY_DOWN):
self.game_map.fov_recompute = self.player.move(0, 1, self.is_blocked_and_target)
elif libtcodpy.console_is_key_pressed(libtcodpy.KEY_LEFT):
self.game_map.fov_recompute = self.player.move(-1, 0, self.is_blocked_and_target)
elif libtcodpy.console_is_key_pressed(libtcodpy.KEY_RIGHT):
self.game_map.fov_recompute = self.player.move(1, 0, self.is_blocked_and_target)
else:
return 'didnt-take-turn'
def run(self):
# Main loop
while not libtcodpy.console_is_window_closed():
self.render_all()
libtcodpy.console_flush()
self.clear_objects()
self.move_npcs()
#handle keys and exit game if needed
self.player_action = self.handle_keys()
if self.player_action == 'exit':
break
def game_loop(t: Terminal, game_map: GameMap, entities, fov_map):
# For now, the player is simply the first entity.
player = entities[0]
closed = False
frame_count = 0
fov_recompute = True
game_state = GameStates.PLAYERS_TURN
while not closed:
logger.debug(f'frame: {frame_count}')
clear_all(t, entities)
if fov_recompute:
recompute_fov(fov_map, player.x, player.y, 3)
# Enemies move before the screen renders
if game_state == GameStates.ENEMY_TURN:
for e in entities:
if e.ai:
e.ai.take_turn(player, fov_map, game_map, entities)
game_state = GameStates.PLAYERS_TURN
render_all(t, game_map, entities, fov_map, fov_recompute)
sys.stdout.flush()
# Read in input for a new turn.
fov_recompute = False
inp = t.inkey()
logger.debug('Key Input: ' + repr(inp))
action = handle_keys(inp)
logger.debug('Action: ' + repr(action))
exit = action.get('exit')
move = action.get('move')
# Escape key doesn't work and I don't know why.
if exit:
logger.info('Quitting cleanly...')
closed = True
return True
if move and game_state == GameStates.PLAYERS_TURN:
destination = (
player.x + move[0],
player.y + move[1],
)
if not game_map.is_blocked(destination[0], destination[1]):
# Try to push anything that is there
[
e.push(game_map, move[0], move[1]) for e in entities
if e.x == destination[0] and e.y == destination[1]
]
blocking_ent = Entity.get_blocking_entity_at_location(
entities, destination[0], destination[1])
if blocking_ent:
logger.debug("Bonked into a blocking entity: %s",
blocking_ent.name)
else:
# Update player position
player.move(move[0], move[1])
fov_recompute = True
game_state = GameStates.ENEMY_TURN
frame_count += 1
