Scale textures. Make animated if appropriate.

Griefed · Nov 7, 2023 · e8368c6 · e8368c6
1 parent 4827651
commit e8368c6
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Showing 2 changed files with 44 additions and 0 deletions.
diff --git a/buildSrc/src/main/java/de/griefed/generation/blocks/TextureScaler.java b/buildSrc/src/main/java/de/griefed/generation/blocks/TextureScaler.java
@@ -0,0 +1,24 @@
+package de.griefed.generation.blocks;
+
+import java.awt.*;
+import java.awt.image.BufferedImage;
+
+public class TextureScaler {
+    public static BufferedImage getScaledInstance(BufferedImage sourceImage) {
+        Dimension imgSize = new Dimension(sourceImage.getWidth(), sourceImage.getHeight());
+        double widthRatio;
+        Image scaledImage;
+        BufferedImage output;
+        int newWidth = 16;
+        int newHeight;
+        widthRatio = (double) newWidth / imgSize.width;
+        newHeight = (int) (sourceImage.getHeight() * widthRatio);
+        while (newHeight % 16 != 0) {
+            newHeight++;
+        }
+        scaledImage = sourceImage.getScaledInstance(newWidth, newHeight, Image.SCALE_SMOOTH);
+        output = new BufferedImage(scaledImage.getWidth(null), scaledImage.getHeight(null), BufferedImage.TYPE_INT_ARGB);
+        output.getGraphics().drawImage(scaledImage,0, 0, null);
+        return output;
+    }
+}
diff --git a/buildSrc/src/main/java/de/griefed/generation/generator/CodeGenerator.java b/buildSrc/src/main/java/de/griefed/generation/generator/CodeGenerator.java
@@ -4,8 +4,11 @@
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import de.griefed.generation.blocks.BlockDefinition;
 import de.griefed.generation.blocks.BlockDefinitionParser;
+import de.griefed.generation.blocks.TextureScaler;
 import org.gradle.api.Project;
 
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
 import java.io.*;
 import java.nio.file.Files;
 import java.nio.file.StandardCopyOption;
@@ -212,6 +215,8 @@ public void createBlockFiles() throws IOException {
         File itemBlockModel;
         File blockTexture;
         File textureSource;
+        File textureMCMeta;
+        BufferedImage texture;
         for (BlockDefinition block : blockDefinitionParser.getBlocks()) {
             //blockstate
             blockstate = new File(blockstatesDir, blockstatesTemp.replace("BLOCKID", block.getId()));
@@ -225,6 +230,21 @@ public void createBlockFiles() throws IOException {
             //block texture
             blockTexture = new File(blockTexturesDir, blockTextureTemp.replace("BLOCKID", block.getId()));
             textureSource = new File(blockDefinitionParser.getAssetsDirectory(), block.getId() + ".png");
+            texture = ImageIO.read(textureSource);
+            if (texture.getWidth() > 16 && texture.getHeight() > 16) {
+                texture = TextureScaler.getScaledInstance(texture);
+                ImageIO.write(texture,"png",textureSource);
+            }
+            if (texture.getWidth() < texture.getHeight()) {
+                textureMCMeta = new File(blockTexture.getParent(), blockTexture.getName() + ".mcmeta");
+                textureMCMeta.createNewFile();
+                writeToFile(textureMCMeta,
+                        """
+                                {
+                                  "animation": {}
+                                }
+                                """);
+            }
             Files.copy(textureSource.toPath(), blockTexture.toPath(), StandardCopyOption.REPLACE_EXISTING);
         }
     }