80 lines
2.2 KiB
Python
80 lines
2.2 KiB
Python
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from typing import List, Reversible, Tuple
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import textwrap
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import tcod
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import color
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class Message:
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def __init__(self, text: str, fg: Tuple[int, int, int]):
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self.plain_text = text
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self.fg = fg
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self.count = 1
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@property
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def full_text(self) -> str:
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"""The full text of this message, including the count if necessary."""
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if self.count > 1:
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return f"{self.plain_text} (x{self.count}"
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return self.plain_text
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class MessageLog:
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def __init__(self) -> None:
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self.messages: List[Message] = []
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def add_message(
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self,
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text: str,
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fg: Tuple[int, int, int] = color.white,
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*,
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stack: bool = True
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) -> None:
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"""Add a message to this log.
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`text` is the message text, `fg` is the text color.
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If `stack is True then the message can stack with a previous message
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of the same text.
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"""
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if stack and self.messages and text == self.messages[-1].plain_text:
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self.messages[-1].count += 1
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else:
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self.messages.append(Message(text, fg))
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def render(
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self,
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console: tcod.Console,
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x: int,
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y: int,
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width: int,
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height: int,
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) -> None:
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"""Render this log over the given area.
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`x`, `y`, `width`, `height` is the rectangular region to render onto
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the `console`.
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"""
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self.render_messages(console, x, y, width, height, self.messages)
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@staticmethod
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def render_messages(
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console: tcod.Console,
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x: int,
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y: int,
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width: int,
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height: int,
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messages: Reversible[Message],
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) -> None:
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"""Render the messages provided.
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The `messages` are rendered starting at the last message and working
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backwards.
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"""
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y_offset = height - 1
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for message in reversed(messages):
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for line in reversed(textwrap.wrap(message.full_text, width)):
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console.print(x=x, y=y + y_offset, string=line, fg=message.fg)
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y_offset -= 1
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if y_offset < 0:
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return # No more space to print messages
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