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106 lines
4.2 KiB
Java
106 lines
4.2 KiB
Java
package cc.fascinated.service.skin.impl;
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import cc.fascinated.common.ImageUtils;
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import cc.fascinated.model.player.Skin;
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import cc.fascinated.service.skin.SkinRenderer;
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import lombok.Getter;
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import lombok.extern.log4j.Log4j2;
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import java.awt.*;
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import java.awt.geom.AffineTransform;
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import java.awt.image.BufferedImage;
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@Getter @Log4j2
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public class IsometricHeadRenderer extends SkinRenderer {
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private static final double SKEW_A = 26d / 45d; // 0.57777777
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private static final double SKEW_B = SKEW_A * 2d; // 1.15555555
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/**
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* The head transforms
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*/
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private static final AffineTransform HEAD_TRANSFORM = new AffineTransform(1d, -SKEW_A, 1, SKEW_A, 0, 0);
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private static final AffineTransform FRONT_TRANSFORM = new AffineTransform(1d, -SKEW_A, 0d, SKEW_B, 0d, SKEW_A);
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private static final AffineTransform RIGHT_TRANSFORM = new AffineTransform(1d, SKEW_A, 0d, SKEW_B, 0d, 0d);
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@Override
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public byte[] renderPart(Skin skin, String partName, boolean renderOverlay, int size) {
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double scale = (size / 8d) / 2.5;
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log.info("Getting {} part bytes for {} with size {} and scale {}", partName, skin.getUrl(), size, scale);
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double x, y, z; // The x, y, and z positions
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double zOffset = scale * 3.5d;
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double xOffset = scale * 2d;
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try {
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BufferedImage outputImage = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
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Graphics2D graphics = outputImage.createGraphics();
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// Get all the required head parts
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BufferedImage headTop = ImageUtils.resize(this.getSkinPart(skin, 8, 0, 8, 8, 1), scale);
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BufferedImage headFront = ImageUtils.resize(this.getSkinPart(skin, 8, 8, 8, 8, 1), scale);
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BufferedImage headRight = ImageUtils.resize(this.getSkinPart(skin, 0, 8, 8, 8, 1), scale);
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if (renderOverlay) {
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Graphics2D headGraphics = headTop.createGraphics();
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applyOverlay(headGraphics,this.getSkinPart(skin, 40, 0, 8, 8, 1));
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headGraphics = headFront.createGraphics();
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applyOverlay(headGraphics, this.getSkinPart(skin, 16, 8, 8, 8, 1));
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headGraphics = headRight.createGraphics();
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applyOverlay(headGraphics, this.getSkinPart(skin, 32, 8, 8, 8, 1));
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}
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// Draw the head
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x = xOffset;
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y = -0.5;
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z = zOffset;
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// The head is offset by 1 pixel for whatever reason
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drawPart(graphics, headTop, HEAD_TRANSFORM,y - z, x + z, headTop.getWidth(), headTop.getHeight() + 1);
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// Draw the front of the head
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x = xOffset + 8 * scale;
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y = 0;
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z = zOffset - 0.5;
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drawPart(graphics, headFront, FRONT_TRANSFORM, y + x, x + z, headFront.getWidth(), headFront.getHeight());
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// Draw the right side of the head
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x = xOffset;
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y = 0;
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z = zOffset;
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drawPart(graphics, headRight, RIGHT_TRANSFORM, x + y + 1, z - y - 0.5, headRight.getWidth(), headRight.getHeight());
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return super.getBytes(outputImage, skin, partName);
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} catch (Exception ex) {
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log.error("Failed to get {} part bytes for {}", partName, skin.getUrl(), ex);
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throw new RuntimeException("Failed to get " + partName + " part for " + skin.getUrl());
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}
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}
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/**
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* Applies an overlay (skin layer) to the head part.
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*
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* @param graphics the graphics
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* @param part the part
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*/
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private void applyOverlay(Graphics2D graphics, BufferedImage part) {
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graphics.drawImage(part, 0, 0, null);
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graphics.dispose();
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}
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/**
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* Draws a part of the head.
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*
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* @param graphics the graphics
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* @param part the part
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* @param transform the transform
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* @param x the x position
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* @param y the y position
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* @param width the width
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* @param height the height
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*/
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private void drawPart(Graphics2D graphics, BufferedImage part, AffineTransform transform, double x, double y, int width, int height) {
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graphics.setTransform(transform);
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graphics.drawImage(part, (int) x, (int) y, width, height, null);
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}
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} |