/
game.py
359 lines (292 loc) · 10.7 KB
/
game.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
from __future__ import with_statement
import libtcodpy as tcod
import random
map_char_data = {
'#': {
'character': '#',
'color': tcod.Color(80, 80, 80),
'background': tcod.Color(40, 40, 40),
'transparent': False,
'walkable': False
},
' ': {
'character': ' ',
'color': tcod.Color(255, 255, 255),
'background': tcod.Color(40, 40, 40),
'transparent': True,
'walkable': True
},
'X': {
'character': '#',
'color': tcod.Color(114,255,114),
'background': tcod.Color(40, 40, 40),
'transparent': False,
'walkable': False
}
}
class Tile(object):
def __init__(self, character, color, fog_color=None, background=None,
fog_background=None, transparent=True, walkable=True):
self.character = character
self.color = color
self.background = background
self.transparent = transparent
self.walkable = walkable
self.explored = False
self.fog_color = self.color * 0.3
self.fog_background = self.background * 0.3
def draw_at(self, console, x, y, visible):
if visible:
self.explored = True
tcod.console_put_char_ex(console, x, y, self.character, self.color,
self.background)
elif self.explored:
tcod.console_put_char_ex(console, x, y, self.character,
self.fog_color, self.fog_background)
else:
tcod.console_put_char(console, x, y, ' ', tcod.BKGND_NONE)
class Object(Tile):
def __init__(self, x, y, game, **kwargs):
super(Object, self).__init__(**kwargs)
self.x = x
self.y = y
self.game = game
def draw(self):
visible = self.game.fov.is_visible(self.x, self.y)
self.explored = False
self.draw_at(self.game.console, self.x, self.y, visible)
def move(self, dx, dy):
if not self.game.fov.is_walkable(self.x + dx, self.y + dy):
return False
was_visible = self.game.fov.is_visible(self.x, self.y)
self.game.fov.clear_tile(self.x, self.y)
self.x += dx
self.y += dy
self.game.fov.set_tile(self.x, self.y, self)
is_visible = self.game.fov.is_visible(self.x, self.y)
if was_visible or is_visible:
self.game.fov.dirty = True
return True
def clear(self):
tcod.console_put_char(self.game.console, self.x, self.y, ' ')
def process(self, fov):
pass
class NPC(Object):
def __init__(self, *args, **kwargs):
super(NPC, self).__init__(*args, **kwargs)
self.walkable = False
self.movement = 0.2
self.points = 0
self.seen = 0
self.orig_color = self.color
def process(self, game):
visible =self.game.fov.is_visible(self.x, self.y)
moved = False
if visible:
self.seen += 1
self.color = tcod.color_lerp(tcod.dark_gray, self.orig_color,
(self.seen % 50) / 100.0)
if self.seen % 50 == 0:
self.game.duplicate(self)
if self.seen == 200:
self.character = 'o'
self.movement = 0.4
elif self.seen == 400:
self.character = 'O'
self.movement = 0.6
path = tcod.path_new_using_map(self.game.fov.fov, 1.0)
tcod.path_compute(path, self.x, self.y, self.game.player.x,
self.game.player.y)
if tcod.path_size(path) > 2:
self.points += self.movement
if self.points >= 1:
self.points -= 1
x, y = tcod.path_get(path, 1)
self.move(x - self.x, y - self.y)
moved = True
tcod.path_delete(path)
if not moved:
self.points += self.movement
if self.points >= 1:
self.points -= 1
movement = [
(0, 0),
(0, 1),
(0, -1),
(1, 0),
(-1, 0),
(1, 1),
(-1, -1),
(-1, 1),
(1, -1)
]
self.move(*random.choice(movement))
return True
class Map(object):
def __init__(self, game, data, char_data):
self.tiles = []
self.game = game
for y, row in enumerate(data):
self.tiles.append([])
for x, char in enumerate(row):
properties = char_data[char]
self.tiles[y].append(Tile(**properties))
self.height = len(self.tiles)
self.width = len(self.tiles[0])
@classmethod
def from_file(cls, game, file, char_data):
with open(file, 'r') as fh:
return cls(game, [l.strip() for l in fh.readlines()], char_data)
def draw(self):
for x, y, tile in self:
visible = self.game.fov.is_visible(x, y)
tile.draw_at(self.game.console, x, y, visible)
def __iter__(self):
for y, row, in enumerate(self.tiles):
for x, tile in enumerate(row):
yield x, y, tile
class Fov(object):
def __init__(self, width, height, game, radius=10):
self.fov = tcod.map_new(width, height)
self._radius = radius
self.game = game
self.dirty = True
self.set_map()
def is_visible(self, x, y):
return tcod.map_is_in_fov(self.fov, x, y)
def is_walkable(self, x, y):
return tcod.map_is_walkable(self.fov, x, y)
def get_radius(self):
return self._radius
def set_radius(self, radius):
self.dirty = True
self._radius = radius
radius = property(get_radius, set_radius)
def set_map(self):
for x, y, tile in self.game.map:
self.set_tile(x, y, tile)
def clear_tile(self, x, y):
tcod.map_set_properties(self.fov, x, y, True, True)
def set_tile(self, x, y, tile):
tcod.map_set_properties(self.fov, x, y, tile.transparent, tile.walkable)
def recompute(self):
tcod.map_compute_fov(self.fov, self.game.player.x, self.game.player.y,
self._radius, True, tcod.FOV_SHADOW)
self.dirty = False
class Game(object):
def __init__(self, width, height, map_file):
tcod.console_set_custom_font(
'terminal8x8_gs_tc.png',
tcod.FONT_TYPE_GREYSCALE | tcod.FONT_LAYOUT_TCOD
)
tcod.console_init_root(width, height, 'test', False, tcod.RENDERER_GLSL)
tcod.sys_set_fps(20)
tcod.console_set_keyboard_repeat(300, 10)
self.width = width
self.height = height
self.exit = False
self.map = Map.from_file(self, map_file, map_char_data)
self.console = tcod.console_new(self.map.width, self.map.height)
self.player = Object(
self.map.width / 2, self.map.height / 2, character='@', game=self,
color=tcod.green, background=tcod.Color(40, 40, 40), walkable=True
)
self.fov = Fov(self.map.width, self.map.height, game=self, radius=30)
self.objects = [self.player]
self.step = 0
self.fov.recompute()
for i in range(10):
x, y = random.randrange(self.map.width), random.randrange(self.map.height)
if self.fov.is_walkable(x, y):
self.spawn_npc(x, y)
self.fov.dirty = True
self.keys = {
tcod.KEY_UP: self.action_north,
tcod.KEY_DOWN: self.action_south,
tcod.KEY_RIGHT: self.action_east,
tcod.KEY_LEFT: self.action_west,
tcod.KEY_ESCAPE: self.action_exit,
tcod.KEY_KP8: self.action_north,
tcod.KEY_KP2: self.action_south,
tcod.KEY_KP6: self.action_east,
tcod.KEY_KP4: self.action_west,
tcod.KEY_KP7: self.action_northwest,
tcod.KEY_KP1: self.action_southwest,
tcod.KEY_KP9: self.action_northeast,
tcod.KEY_KP3: self.action_southeast,
tcod.KEY_KP5: self.action_pass,
}
def duplicate(self, obj):
positions = [
(0, 1),
(0, -1),
(1, 0),
(-1, 0),
(1, 1),
(-1, -1),
(-1, 1),
(1, -1)
]
for x, y in positions:
if self.fov.is_walkable(obj.x + x, obj.y + y):
self.spawn_npc(obj.x, obj.y)
break
def spawn_npc(self, x, y):
self.objects.insert(0, NPC(x, y, game=self, character='.',
color=tcod.red,
background=tcod.Color(40, 40, 40)))
def handle_keys(self, key):
if key.vk not in self.keys:
return False
return self.keys[key.vk](key)
def move_player(self, dx, dy):
return self.player.move(dx, dy)
def action_north(self, key):
return self.move_player(0, -1)
def action_south(self, key):
return self.move_player(0, 1)
def action_east(self, key):
return self.move_player(1, 0)
def action_west(self, key):
return self.move_player(-1, 0)
def action_northwest(self, key):
return self.move_player(-1, -1)
def action_southwest(self, key):
return self.move_player(-1, 1)
def action_northeast(self, key):
return self.move_player(1, -1)
def action_southeast(self, key):
return self.move_player(1, 1)
def action_pass(self, key):
return True
def action_exit(self, key):
self.exit = True
return True
def process(self):
print 'Enemies:', len(self.objects) - 1
if self.fov.dirty:
self.fov.recompute()
self.map.draw()
for obj in self.objects:
obj.draw()
screen_x1 = self.player.x - (self.width / 2)
screen_y1 = self.player.y - (self.height / 2)
screen_x2 = screen_x1 + self.width
screen_y2 = screen_y1 + self.height
if screen_x2 > self.map.width:
screen_x1 = self.map.width - self.width
if screen_y2 > self.map.height:
screen_y1 = self.map.height - self.height
if screen_x1 < 0:
screen_x1 = 0
if screen_y1 < 0:
screen_y1 = 0
tcod.console_blit(self.console, screen_x1, screen_y1, self.width, self.height, 0, 0, 0)
tcod.console_flush()
handled = False
while not handled:
key = tcod.console_wait_for_keypress(True)
handled = self.handle_keys(key)
for obj in self.objects:
obj.process(self)
obj.clear()