package net.clgd.ccemux.rendering;

import java.awt.Rectangle;
import java.io.Serializable;

import lombok.Getter;
import lombok.extern.slf4j.Slf4j;

@Slf4j
public abstract class TerminalFont implements Serializable {
	private static final long serialVersionUID = -2121299756211115254L;

	public static final String FONT_RESOURCE_PATH = "assets/computercraft/textures/gui/term_font.png";

	public static final int BASE_WIDTH = 256, BASE_HEIGHT = 256;

	public static final int BASE_CHAR_WIDTH = 6, BASE_CHAR_HEIGHT = 9;
	public static final int BASE_MARGIN = 1;
	public static final int COLUMNS = 16, ROWS = 16;

	/**
	 * The scale of the font, calculated based on base image resolution
	 */
	@Getter
	protected final double horizontalScale, verticalScale;

	/**
	 * The scaled character dimensions
	 */
	@Getter
	protected final int charWidth, charHeight;

	/**
	 * The margin around each character
	 */
	@Getter
	protected final int margin;

	/**
	 * Creates a new terminal font
	 *
	 * @param imageWidth
	 * 			The width of the font image.
	 * @param imageHeight
	 * 			The height of the font image.
	 */
	public TerminalFont(int imageWidth, int imageHeight) {
		horizontalScale = imageWidth / (double) BASE_WIDTH;
		verticalScale = imageHeight / (double) BASE_HEIGHT;

		margin = (int) Math.round(BASE_MARGIN * horizontalScale);
		charWidth = (int) Math.round(BASE_CHAR_WIDTH * horizontalScale);
		charHeight = (int) Math.round(BASE_CHAR_HEIGHT * verticalScale);
	}

	/**
	 * Gets the scaled coordinates and dimensions for a given character in this
	 * font
	 *
	 * @param c
	 *            The character
	 * @return The coordinates and dimensions of a given character
	 */
	public Rectangle getCharCoords(char c) {
		int charcode = (int) c;
		return new Rectangle(
				margin + charcode % COLUMNS * (getCharWidth() + margin * 2),
				margin + charcode / ROWS * (getCharHeight() + margin * 2),
				getCharWidth(), getCharHeight()
		);
	}
}

@@ -693,31 +693,29 @@
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@@ -799,39 +799,37 @@
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@@ -910,15 +910,13 @@
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Make TerminalFont's fields private again