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render_functions.py
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render_functions.py
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import libtcodpy as libtcod
from enum import Enum, auto
from game_states import GameStates
from menus import character_screen, inventory_menu, level_up_menu
class RenderOrder(Enum):
STAIRS = auto()
CORPSE = auto()
ITEM = auto()
ACTOR = auto()
def get_names_under_mouse(mouse, entities, fov_map):
(x, y) = (mouse.cx, mouse.cy)
names = [entity.name for entity in entities
if entity.x == x and entity.y == y and
libtcod.map_is_in_fov(fov_map, entity.x, entity.y)]
names = ', '.join(names)
return names.capitalize()
def render_bar(panel, x, y, total_width, name, value,
maximum, bar_color, back_color):
bar_width = int(float(value) / maximum * total_width)
libtcod.console_set_default_background(panel, back_color)
libtcod.console_rect(
panel, x, y, total_width, 1, False, libtcod.BKGND_SCREEN)
libtcod.console_set_default_background(panel, bar_color)
if bar_width > 0:
libtcod.console_rect(
panel, x, y, bar_width, 1, False, libtcod.BKGND_SCREEN)
libtcod.console_set_default_foreground(panel, libtcod.white)
libtcod.console_print_ex(
panel, int(x + total_width / 2), y, libtcod.BKGND_NONE,
libtcod.CENTER, '{0}: {1}/{2}'.format(name, value, maximum))
def render_all(con, panel, entities, player, game_map, fov_map, fov_recompute,
message_log, screen_width, screen_height, bar_width,
panel_height, panel_y, mouse, colors, game_state):
if fov_recompute:
# Draw all the tiles in the game map
for y in range(game_map.height):
for x in range(game_map.width):
visible = libtcod.map_is_in_fov(fov_map, x, y)
wall = game_map.tiles[x][y].block_sight
if visible:
libtcod.console_set_char_background(
con, x, y, libtcod.Color(15, 15, 15))
if wall:
libtcod.console_set_char_foreground(
con, x, y, colors.get('light_wall'))
libtcod.console_set_char(con, x, y, '#')
else:
libtcod.console_set_char_foreground(
con, x, y, colors.get('light_ground'))
libtcod.console_set_char(con, x, y, '.')
game_map.tiles[x][y].explored = True
elif game_map.tiles[x][y].explored:
libtcod.console_set_char_background(
con, x, y, libtcod.Color(5, 10, 15))
if wall:
libtcod.console_set_char_foreground(
con, x, y, colors.get('dark_wall'))
libtcod.console_set_char(con, x, y, '#')
else:
libtcod.console_set_char_foreground(
con, x, y, colors.get('dark_ground'))
libtcod.console_set_char(con, x, y, '.')
entities_in_render_order = sorted(
entities, key=lambda x: x.render_order.value)
# Draw all entities in the list
for entity in entities_in_render_order:
draw_entity(con, entity, fov_map, game_map)
libtcod.console_blit(con, 0, 0, screen_width, screen_height, 0, 0, 0)
libtcod.console_set_default_background(panel, libtcod.black)
libtcod.console_clear(panel)
# Print the game messages, one line at a time
y = 1
for message in message_log.message:
libtcod.console_set_default_foreground(panel, message.color)
libtcod.console_print_ex(panel, message_log.x, y, libtcod.BKGND_NONE,
libtcod.LEFT, message.text)
y += 1
render_bar(panel, 1, 1, bar_width, 'HP', player.fighter.hp,
player.fighter.max_hp, libtcod.light_red, libtcod.darker_red)
libtcod.console_print_ex(
panel, 1, 3, libtcod.BKGND_NONE, libtcod.LEFT,
'Dungeon level: {0}'.format(game_map.dungeon_level))
if player.fighter.dodge_chance > 0:
libtcod.console_print_ex(
panel, 1, 4, libtcod.BKGND_NONE, libtcod.LEFT,
'Dodge Chance: {0}'.format(player.fighter.dodge_chance))
libtcod.console_set_default_foreground(panel, libtcod.light_gray)
libtcod.console_print_ex(panel, 1, 0, libtcod.BKGND_NONE, libtcod.LEFT,
get_names_under_mouse(mouse, entities, fov_map))
libtcod.console_blit(
panel, 0, 0, screen_width, panel_height, 0, 0, panel_y)
if game_state in (GameStates.SHOW_INVENTORY, GameStates.DROP_INVENTORY):
if game_state == GameStates.SHOW_INVENTORY:
inventory_title = ('Press the key next to an item to use it,' +
' or Esc to cancel.\n')
else:
inventory_title = ('Press the key next to an item to drop it,' +
' or Esc to cancel.\n')
inventory_menu(con, inventory_title, player, 50,
screen_width, screen_height)
elif game_state == GameStates.LEVEL_UP:
level_up_menu(con, 'Level up! Choose a stat to raise:',
player, 40, screen_width, screen_height)
elif game_state == GameStates.CHARACTER_SCREEN:
character_screen(player, 30, 10, screen_width, screen_height)
def clear_all(con, entities):
for entity in entities:
clear_entity(con, entity)
def draw_entity(con, entity, fov_map, game_map):
if (libtcod.map_is_in_fov(fov_map, entity.x, entity.y) or
(entity.stairs and game_map.tiles[entity.x][entity.y].explored)):
libtcod.console_set_default_foreground(con, entity.color)
libtcod.console_put_char(
con, entity.x, entity.y, entity.char, libtcod.BKGND_NONE)
def clear_entity(con, entity):
# erase the character that represents this object
libtcod.console_put_char(con, entity.x, entity.y, ' ', libtcod.BKGND_NONE)