1__author__ = 'justinarmstrong'
 2import random
 3import pygame as pg
 4from .. import setup
 5from .. import constants as c
 6
 7class Dialogue(pg.sprite.Sprite):
 8    """Text box used for dialogue"""
 9    def __init__(self, x, dialogue):
10        super(Dialogue, self).__init__()
11        self.image = setup.GFX['dialoguebox']
12        self.rect = self.image.get_rect(centerx=x)
13        self.timer = 0.0
14        self.font = pg.font.Font(setup.FONTS['Fixedsys500c'], 20)
15        self.dialogue_image = self.font.render(dialogue, True,  c.BLACK)
16        self.dialogue_rect = self.dialogue_image.get_rect(left=50, top=50)
17        self.image.blit(self.dialogue_image, self.dialogue_rect)
18
19    def update(self, current_time):
20        """Updates scrolling text"""
21        self.current_time = current_time
22        self.animate_dialogue()
23        self.terminate_check()
24
25
26    def animate_dialogue(self):
27        """Reveal dialogue on textbox"""
28        text_image = self.dialogue_image
29        text_rect = self.dialogue_rect
30
31        self.image.blit(text_image, text_rect)
32
33
34    def terminate_check(self):
35        """Remove textbox from sprite group after 2 seconds"""
36
37        if self.timer == 0.0:
38            self.timer = self.current_time
39        elif (self.current_time - self.timer) > 2000:
40            self.kill()
41
42
43class DialogueHandler(object):
44    """Handles interaction between sprites to create dialogue boxes"""
45
46    def __init__(self, player, sprites, textbox_group):
47        self.player = player
48        self.sprites = sprites
49        self.textbox_group = textbox_group
50        self.textbox_onscreen = False
51        self.image_list = []
52
53
54    def update(self, keys, current_time):
55        """Checks for the creation of Dialogue boxes"""
56        if keys[pg.K_SPACE] and not self.textbox_onscreen:
57            for sprite in self.sprites:
58                self.check_for_dialogue(sprite)
59
60        self.textbox_group.update(current_time)
61
62        if len(self.textbox_group) < 1:
63            self.textbox_onscreen = False
64
65        assert(len(self.textbox_group) < 2)
66
67
68
69    def check_for_dialogue(self, sprite):
70        """Checks if a sprite is in the correct location to give dialogue"""
71        player = self.player
72        tile_x, tile_y = player.location
73
74        if player.direction == 'up':
75            if sprite.location == (tile_x, tile_y - 1):
76                self.textbox_group.add(Dialogue(400, sprite.dialogue))
77                self.textbox_onscreen = True
78        elif player.direction == 'down':
79            if sprite.location == (tile_x, tile_y + 1):
80                self.textbox_group.add(Dialogue(400, sprite.dialogue))
81                self.textbox_onscreen = True
82        elif player.direction == 'left':
83            if sprite.location == (tile_x - 1, tile_y):
84                self.textbox_group.add(Dialogue(400, sprite.dialogue))
85                self.textbox_onscreen = True
86        elif player.direction == 'right':
87            if sprite.location == (tile_x + 1, tile_y):
88                self.textbox_group.add(Dialogue(400, sprite.dialogue))
89                self.textbox_onscreen = True
90
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