+"""
+Howto scene.
+"""
+
+import pygame.locals as pgl
+
+from naja.constants import KEYS
+from naja.scenes.scene import Scene
+from naja.widgets.text import TextWidget, TextBoxWidget
+from naja.events import SceneChangeEvent
+
+
+class HowtoScene(Scene):
+ """
+ Tell the player what to do.
+ """
+
+ def __init__(self, state):
+ super(HowtoScene, self).__init__(state)
+ self.add(TextWidget(
+ (200, 4), 'How To Play the Game', fontsize=32,
+ colour='white'))
+ self.add(TextBoxWidget(
+ (0, 40), '\n'.join([
+ "You are a robot, frantically trying to set the correct "
+ "bits to gain points for reasons that are unlikely to "
+ "ever become clear.",
+ "You have 8 bits. Four bits control the directions "
+ "you can move in {NORTH,SOUTH,EAST,WEST}, 3 allow you "
+ "to unlock actions {RED,GREEN,BLUE} and the "
+ "last, the Most Significant Bit {MSB}, makes everything "
+ "work better.",
+ "MOVEMENT",
+ "During Movement, you can explore the board and learn about "
+ "the available tiles. Tiles you can legally move onto are "
+ "highlighted. It's always possible to stay in place.",
+ "ACTIONS",
+ "After moving, you must select an action. Some actions "
+ "require the correct bits to be set before they can be "
+ "selected. After the action, the tile will be replaced.",
+ "Some actions cost health {HEALTH}. If you run out of "
+ "health {HEALTH}, you lose.",
+ "Some actions gain you points {WINTOKEN}. Once you have "
+ "enough points, you win the game."
+ ]), fontsize=32,
+ colour='white', padding=1, border=1,
+ bg_colour='black', border_colour='black',
+ box_width=400))
+
+ def handle_scene_event(self, ev):
+ from naja.scenes.menu import MenuScene
+ if ev.type == pgl.KEYDOWN and ev.key in KEYS.QUIT:
+ SceneChangeEvent.post(MenuScene)
+ return