Difference between revisions of "Complete Roguelike Tutorial, using python+libtcod, part 2 code"
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(Update to libtcod 1.5.1. There's a link at the top to the old version.) |
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<center><table border="0" cellpadding="10" cellspacing="0" style="background:#F0E68C"><tr><td><center> | <center><table border="0" cellpadding="10" cellspacing="0" style="background:#F0E68C"><tr><td><center> | ||
This is part of the '''code''' for a series of tutorials; the main page can be found [[Complete Roguelike Tutorial, using python+libtcod|here]]. | This is part of the '''code''' for a series of tutorials; the main page can be found [[Complete Roguelike Tutorial, using python+libtcod|here]]. | ||
This part of the tutorial has been converted to use libctod version 1.5.1, but later parts still use 1.5.0. If you wish to follow the complete tutorial, you probably want the old version [http://roguebasin.roguelikedevelopment.org/index.php?title=Complete_Roguelike_Tutorial,_using_python%2Blibtcod,_part_2_code&oldid=29860 here] | |||
</center></td></tr></table></center> | </center></td></tr></table></center> | ||
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def draw(self): | def draw(self): | ||
#set the color and then draw the character that represents this object at its position | #set the color and then draw the character that represents this object at its position | ||
libtcod. | libtcod.console_set_default_foreground(con, self.color) | ||
libtcod.console_put_char(con, self.x, self.y, self.char, libtcod.BKGND_NONE) | libtcod.console_put_char(con, self.x, self.y, self.char, libtcod.BKGND_NONE) | ||
Line 151: | Line 153: | ||
def draw(self): | def draw(self): | ||
#set the color and then draw the character that represents this object at its position | #set the color and then draw the character that represents this object at its position | ||
libtcod. | libtcod.console_set_default_foreground(con, self.color) | ||
libtcod.console_put_char(con, self.x, self.y, self.char, libtcod.BKGND_NONE) | libtcod.console_put_char(con, self.x, self.y, self.char, libtcod.BKGND_NONE) | ||
Line 184: | Line 186: | ||
wall = map[x][y].block_sight | wall = map[x][y].block_sight | ||
if wall: | if wall: | ||
libtcod. | libtcod.console_set_char_background(con, x, y, color_dark_wall, libtcod.BKGND_SET ) | ||
else: | else: | ||
libtcod. | libtcod.console_set_char_background(con, x, y, color_dark_ground, libtcod.BKGND_SET ) | ||
#draw all objects in the list | #draw all objects in the list |
Revision as of 03:56, 2 November 2012
This is part of the code for a series of tutorials; the main page can be found here. This part of the tutorial has been converted to use libctod version 1.5.1, but later parts still use 1.5.0. If you wish to follow the complete tutorial, you probably want the old version here |
Generalizing
import libtcodpy as libtcod
#actual size of the window
SCREEN_WIDTH = 80
SCREEN_HEIGHT = 50
LIMIT_FPS = 20 #20 frames-per-second maximum
class Object:
#this is a generic object: the player, a monster, an item, the stairs...
#it's always represented by a character on screen.
def __init__(self, x, y, char, color):
self.x = x
self.y = y
self.char = char
self.color = color
def move(self, dx, dy):
#move by the given amount
self.x += dx
self.y += dy
def draw(self):
#set the color and then draw the character that represents this object at its position
libtcod.console_set_default_foreground(con, self.color)
libtcod.console_put_char(con, self.x, self.y, self.char, libtcod.BKGND_NONE)
def clear(self):
#erase the character that represents this object
libtcod.console_put_char(con, self.x, self.y, ' ', libtcod.BKGND_NONE)
def handle_keys():
#key = libtcod.console_check_for_keypress() #real-time
key = libtcod.console_wait_for_keypress(True) #turn-based
if key.vk == libtcod.KEY_ENTER and key.lalt:
#Alt+Enter: toggle fullscreen
libtcod.console_set_fullscreen(not libtcod.console_is_fullscreen())
elif key.vk == libtcod.KEY_ESCAPE:
return True #exit game
#movement keys
if libtcod.console_is_key_pressed(libtcod.KEY_UP):
player.move(0, -1)
elif libtcod.console_is_key_pressed(libtcod.KEY_DOWN):
player.move(0, 1)
elif libtcod.console_is_key_pressed(libtcod.KEY_LEFT):
player.move(-1, 0)
elif libtcod.console_is_key_pressed(libtcod.KEY_RIGHT):
player.move(1, 0)
#############################################
# Initialization & Main Loop
#############################################
libtcod.console_set_custom_font('arial10x10.png', libtcod.FONT_TYPE_GREYSCALE | libtcod.FONT_LAYOUT_TCOD)
libtcod.console_init_root(SCREEN_WIDTH, SCREEN_HEIGHT, 'python/libtcod tutorial', False)
libtcod.sys_set_fps(LIMIT_FPS)
con = libtcod.console_new(SCREEN_WIDTH, SCREEN_HEIGHT)
#create object representing the player
player = Object(SCREEN_WIDTH/2, SCREEN_HEIGHT/2, '@', libtcod.white)
#create an NPC
npc = Object(SCREEN_WIDTH/2 - 5, SCREEN_HEIGHT/2, '@', libtcod.yellow)
#the list of objects with those two
objects = [npc, player]
while not libtcod.console_is_window_closed():
#draw all objects in the list
for object in objects:
object.draw()
#blit the contents of "con" to the root console and present it
libtcod.console_blit(con, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, 0, 0, 0)
libtcod.console_flush()
#erase all objects at their old locations, before they move
for object in objects:
object.clear()
#handle keys and exit game if needed
exit = handle_keys()
if exit:
break
The Map
import libtcodpy as libtcod
#actual size of the window
SCREEN_WIDTH = 80
SCREEN_HEIGHT = 50
#size of the map
MAP_WIDTH = 80
MAP_HEIGHT = 45
LIMIT_FPS = 20 #20 frames-per-second maximum
color_dark_wall = libtcod.Color(0, 0, 100)
color_dark_ground = libtcod.Color(50, 50, 150)
class Tile:
#a tile of the map and its properties
def __init__(self, blocked, block_sight = None):
self.blocked = blocked
#by default, if a tile is blocked, it also blocks sight
if block_sight is None: block_sight = blocked
self.block_sight = block_sight
class Object:
#this is a generic object: the player, a monster, an item, the stairs...
#it's always represented by a character on screen.
def __init__(self, x, y, char, color):
self.x = x
self.y = y
self.char = char
self.color = color
def move(self, dx, dy):
#move by the given amount, if the destination is not blocked
if not map[self.x + dx][self.y + dy].blocked:
self.x += dx
self.y += dy
def draw(self):
#set the color and then draw the character that represents this object at its position
libtcod.console_set_default_foreground(con, self.color)
libtcod.console_put_char(con, self.x, self.y, self.char, libtcod.BKGND_NONE)
def clear(self):
#erase the character that represents this object
libtcod.console_put_char(con, self.x, self.y, ' ', libtcod.BKGND_NONE)
def make_map():
global map
#fill map with "unblocked" tiles
map = [[ Tile(False)
for y in range(MAP_HEIGHT) ]
for x in range(MAP_WIDTH) ]
#place two pillars to test the map
map[30][22].blocked = True
map[30][22].block_sight = True
map[50][22].blocked = True
map[50][22].block_sight = True
def render_all():
global color_light_wall
global color_light_ground
#go through all tiles, and set their background color
for y in range(MAP_HEIGHT):
for x in range(MAP_WIDTH):
wall = map[x][y].block_sight
if wall:
libtcod.console_set_char_background(con, x, y, color_dark_wall, libtcod.BKGND_SET )
else:
libtcod.console_set_char_background(con, x, y, color_dark_ground, libtcod.BKGND_SET )
#draw all objects in the list
for object in objects:
object.draw()
#blit the contents of "con" to the root console
libtcod.console_blit(con, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, 0, 0, 0)
def handle_keys():
#key = libtcod.console_check_for_keypress() #real-time
key = libtcod.console_wait_for_keypress(True) #turn-based
if key.vk == libtcod.KEY_ENTER and key.lalt:
#Alt+Enter: toggle fullscreen
libtcod.console_set_fullscreen(not libtcod.console_is_fullscreen())
elif key.vk == libtcod.KEY_ESCAPE:
return True #exit game
#movement keys
if libtcod.console_is_key_pressed(libtcod.KEY_UP):
player.move(0, -1)
elif libtcod.console_is_key_pressed(libtcod.KEY_DOWN):
player.move(0, 1)
elif libtcod.console_is_key_pressed(libtcod.KEY_LEFT):
player.move(-1, 0)
elif libtcod.console_is_key_pressed(libtcod.KEY_RIGHT):
player.move(1, 0)
#############################################
# Initialization & Main Loop
#############################################
libtcod.console_set_custom_font('arial10x10.png', libtcod.FONT_TYPE_GREYSCALE | libtcod.FONT_LAYOUT_TCOD)
libtcod.console_init_root(SCREEN_WIDTH, SCREEN_HEIGHT, 'python/libtcod tutorial', False)
libtcod.sys_set_fps(LIMIT_FPS)
con = libtcod.console_new(SCREEN_WIDTH, SCREEN_HEIGHT)
#create object representing the player
player = Object(SCREEN_WIDTH/2, SCREEN_HEIGHT/2, '@', libtcod.white)
#create an NPC
npc = Object(SCREEN_WIDTH/2 - 5, SCREEN_HEIGHT/2, '@', libtcod.yellow)
#the list of objects with those two
objects = [npc, player]
#generate map (at this point it's not drawn to the screen)
make_map()
while not libtcod.console_is_window_closed():
#render the screen
render_all()
libtcod.console_flush()
#erase all objects at their old locations, before they move
for object in objects:
object.clear()
#handle keys and exit game if needed
exit = handle_keys()
if exit:
break