179 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			179 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			Python
		
	
	
	
| from typing import Literal
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| 
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| cvcotm_char_dict = {"\n": 0x09, " ": 0x26, "!": 0x4A, '"': 0x78, "#": 0x79, "$": 0x7B, "%": 0x68, "&": 0x73, "'": 0x51,
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|                     "(": 0x54, ")": 0x55, "*": 0x7A, "+": 0x50, ",": 0x4C, "-": 0x58, ".": 0x35, "/": 0x70, "0": 0x64,
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|                     "1": 0x6A, "2": 0x63, "3": 0x6C, "4": 0x71, "5": 0x69, "6": 0x7C, "7": 0x7D, "8": 0x72, "9": 0x85,
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|                     ":": 0x86, ";": 0x87, "<": 0x8F, "=": 0x90, ">": 0x91, "?": 0x48, "@": 0x98, "A": 0x3E, "B": 0x4D,
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|                     "C": 0x44, "D": 0x45, "E": 0x4E, "F": 0x56, "G": 0x4F, "H": 0x40, "I": 0x43, "J": 0x6B, "K": 0x66,
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|                     "L": 0x5F, "M": 0x42, "N": 0x52, "O": 0x67, "P": 0x4B, "Q": 0x99, "R": 0x46, "S": 0x41, "T": 0x47,
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|                     "U": 0x60, "V": 0x6E, "W": 0x49, "X": 0x6D, "Y": 0x53, "Z": 0x6F, "[": 0x59, "\\": 0x9A, "]": 0x5A,
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|                     "^": 0x9B, "_": 0xA1, "a": 0x29, "b": 0x3C, "c": 0x33, "d": 0x32, "e": 0x28, "f": 0x3A, "g": 0x39,
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|                     "h": 0x31, "i": 0x2D, "j": 0x62, "k": 0x3D, "l": 0x30, "m": 0x36, "n": 0x2E, "o": 0x2B, "p": 0x38,
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|                     "q": 0x61, "r": 0x2C, "s": 0x2F, "t": 0x2A, "u": 0x34, "v": 0x3F, "w": 0x37, "x": 0x57, "y": 0x3B,
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|                     "z": 0x65, "{": 0xA3, "|": 0xA4, "}": 0xA5, "`": 0xA2, "~": 0xAC,
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|                     # Special command characters
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|                     "▶": 0x02,  # Press A with prompt arrow.
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|                     "◊": 0x03,  # Press A without prompt arrow.
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|                     "\t": 0x01,  # Clear the text buffer; usually after pressing A to advance.
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|                     "\b": 0x0A,  # Reset text alignment; usually after pressing A.
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|                     "「": 0x06,  # Start orange text
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|                     "」": 0x07,  # End orange text
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|                     }
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| 
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| # Characters that do not contribute to the line length.
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| weightless_chars = {"\n", "▶", "◊", "\b", "\t", "「", "」"}
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| 
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| 
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| def cvcotm_string_to_bytearray(cvcotm_text: str, textbox_type: Literal["big top", "big middle", "little middle"],
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|                                speed: int, portrait: int = 0xFF, wrap: bool = True,
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|                                skip_textbox_controllers: bool = False) -> bytearray:
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|     """Converts a string into a textbox bytearray following CVCotM's string format."""
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|     text_bytes = bytearray(0)
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|     if portrait == 0xFF and textbox_type != "little middle":
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|         text_bytes.append(0x0C)  # Insert the character to convert a 3-line named textbox into a 4-line nameless one.
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| 
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|     # Figure out the start and end params for the textbox based on what type it is.
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|     if textbox_type == "little middle":
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|         main_control_start_param = 0x10
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|         main_control_end_param = 0x20
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|     elif textbox_type == "big top":
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|         main_control_start_param = 0x40
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|         main_control_end_param = 0xC0
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|     else:
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|         main_control_start_param = 0x80
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|         main_control_end_param = 0xC0
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| 
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|     # Figure out the number of lines and line length limit.
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|     if textbox_type == "little middle":
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|         total_lines = 1
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|         len_limit = 29
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|     elif textbox_type != "little middle" and portrait != 0xFF:
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|         total_lines = 3
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|         len_limit = 21
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|     else:
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|         total_lines = 4
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|         len_limit = 23
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| 
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|     # Wrap the text if we are opting to do so.
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|     if wrap:
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|         refined_text = cvcotm_text_wrap(cvcotm_text, len_limit, total_lines)
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|     else:
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|         refined_text = cvcotm_text
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| 
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|     # Add the textbox control characters if we are opting to add them.
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|     if not skip_textbox_controllers:
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|         text_bytes.extend([0x1D, main_control_start_param + (speed & 0xF)])  # Speed should be a value between 0 and 15.
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| 
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|     # Add the portrait (if we are adding one).
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|     if portrait != 0xFF and textbox_type != "little middle":
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|         text_bytes.extend([0x1E, portrait & 0xFF])
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| 
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|     for i, char in enumerate(refined_text):
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|         if char in cvcotm_char_dict:
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|             text_bytes.extend([cvcotm_char_dict[char]])
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|             # If we're pressing A to advance, add the text clear and reset alignment characters.
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|             if char in ["▶", "◊"] and not skip_textbox_controllers:
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|                 text_bytes.extend([0x01, 0x0A])
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|         else:
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|             text_bytes.extend([0x48])
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| 
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|     # Add the characters indicating the end of the whole message.
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|     if not skip_textbox_controllers:
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|         text_bytes.extend([0x1D, main_control_end_param, 0x00])
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|     else:
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|         text_bytes.extend([0x00])
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|     return text_bytes
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| 
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| 
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| def cvcotm_text_truncate(cvcotm_text: str, textbox_len_limit: int) -> str:
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|     """Truncates a string at a given in-game text line length."""
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|     line_len = 0
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| 
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|     for i in range(len(cvcotm_text)):
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|         if cvcotm_text[i] not in weightless_chars:
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|             line_len += 1
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| 
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|         if line_len > textbox_len_limit:
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|             return cvcotm_text[0x00:i]
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| 
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|     return cvcotm_text
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| 
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| 
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| def cvcotm_text_wrap(cvcotm_text: str, textbox_len_limit: int, total_lines: int = 4) -> str:
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|     """Rebuilds a string with some of its spaces replaced with newlines to ensure the text wraps properly in an in-game
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|     textbox of a given length. If the number of lines allowed per textbox is exceeded, an A prompt will be placed
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|     instead of a newline."""
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|     words = cvcotm_text.split(" ")
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|     new_text = ""
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|     line_len = 0
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|     num_lines = 1
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| 
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|     for word_index, word in enumerate(words):
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|         # Reset the word length to 0 on every word iteration and make its default divider a space.
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|         word_len = 0
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|         word_divider = " "
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| 
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|         # Check if we're at the very beginning of a line and handle the situation accordingly by increasing the current
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|         # line length to account for the space if we are not. Otherwise, the word divider should be nothing.
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|         if line_len != 0:
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|             line_len += 1
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|         else:
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|             word_divider = ""
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| 
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|         new_word = ""
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| 
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|         for char_index, char in enumerate(word):
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|             # Check if the current character contributes to the line length.
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|             if char not in weightless_chars:
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|                 line_len += 1
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|                 word_len += 1
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| 
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|             # If we're looking at a manually-placed newline, add +1 to the lines counter and reset the length counters.
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|             if char == "\n":
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|                 word_len = 0
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|                 line_len = 0
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|                 num_lines += 1
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|                 # If this puts us over the line limit, insert the A advance prompt character.
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|                 if num_lines > total_lines:
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|                     num_lines = 1
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|                     new_word += "▶"
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| 
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|             # If we're looking at a manually-placed A advance prompt, reset the lines and length counters.
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|             if char in ["▶", "◊"]:
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|                 word_len = 0
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|                 line_len = 0
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|                 num_lines = 1
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| 
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|             # If the word alone is long enough to exceed the line length, wrap without moving the entire word.
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|             if word_len > textbox_len_limit:
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|                 word_len = 1
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|                 line_len = 1
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|                 num_lines += 1
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|                 word_splitter = "\n"
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| 
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|                 # If this puts us over the line limit, replace the newline with the A advance prompt character.
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|                 if num_lines > total_lines:
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|                     num_lines = 1
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|                     word_splitter = "▶"
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| 
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|                 new_word += word_splitter
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| 
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|             # If the total length of the current line exceeds the line length, wrap the current word to the next line.
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|             if line_len > textbox_len_limit:
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|                 word_divider = "\n"
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|                 line_len = word_len
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|                 num_lines += 1
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|                 # If we're over the allowed number of lines to be displayed in the textbox, insert the A advance
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|                 # character instead.
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|                 if num_lines > total_lines:
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|                     num_lines = 1
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|                     word_divider = "▶"
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| 
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|             # Add the character to the new word if the character is not a newline immediately following up an A advance.
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|             if char != "\n" or new_word[len(new_word)-1] not in ["▶", "◊"]:
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|                 new_word += char
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| 
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|         new_text += word_divider + new_word
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| 
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|     return new_text
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