From 2e636f52059c291035372d6edad358a3480f6782 Mon Sep 17 00:00:00 2001
From: SiboVG <sibo.vangool@hotmail.com>
Date: Fri, 18 Aug 2023 04:01:39 +0200
Subject: [PATCH] Rename MtlExporter

---
 ...tlExpoter.java => AppearanceExporter.java} | 55 ++++++++++++++++---
 .../export/OBJExporterFactory.java            |  6 +-
 2 files changed, 51 insertions(+), 10 deletions(-)
 rename core/src/net/sf/openrocket/file/wavefrontobj/export/{MtlExpoter.java => AppearanceExporter.java} (60%)

diff --git a/core/src/net/sf/openrocket/file/wavefrontobj/export/MtlExpoter.java b/core/src/net/sf/openrocket/file/wavefrontobj/export/AppearanceExporter.java
similarity index 60%
rename from core/src/net/sf/openrocket/file/wavefrontobj/export/MtlExpoter.java
rename to core/src/net/sf/openrocket/file/wavefrontobj/export/AppearanceExporter.java
index 01c839ed4..4a2e0eb05 100644
--- a/core/src/net/sf/openrocket/file/wavefrontobj/export/MtlExpoter.java
+++ b/core/src/net/sf/openrocket/file/wavefrontobj/export/AppearanceExporter.java
@@ -1,11 +1,16 @@
 package net.sf.openrocket.file.wavefrontobj.export;
 
+import de.javagl.obj.FloatTuple;
 import net.sf.openrocket.appearance.Appearance;
+import net.sf.openrocket.appearance.Decal;
 import net.sf.openrocket.appearance.defaults.DefaultAppearance;
+import net.sf.openrocket.file.wavefrontobj.DefaultFloatTuple;
 import net.sf.openrocket.file.wavefrontobj.DefaultMtl;
 import net.sf.openrocket.file.wavefrontobj.DefaultObj;
+import net.sf.openrocket.file.wavefrontobj.DefaultTextureOptions;
 import net.sf.openrocket.rocketcomponent.RocketComponent;
 import net.sf.openrocket.util.Color;
+import net.sf.openrocket.util.Coordinate;
 
 import java.util.List;
 
@@ -14,11 +19,11 @@ import java.util.List;
  *
  * @author Sibo Van Gool <sibo.vangool@hotmail.com>
  */
-public class MtlExpoter {
+public class AppearanceExporter {
     private final DefaultObj obj;
     private final RocketComponent component;
     private final String materialName;
-    private List<DefaultMtl> materials;
+    private final List<DefaultMtl> materials;
 
     /**
      * Export the appearance of a rocket component
@@ -28,7 +33,7 @@ public class MtlExpoter {
      * @param materialName The name of the material to generate
      * @param materials The list of materials to add the new material(s) to
      */
-    public MtlExpoter(DefaultObj obj, RocketComponent component, String materialName, List<DefaultMtl> materials) {
+    public AppearanceExporter(DefaultObj obj, RocketComponent component, String materialName, List<DefaultMtl> materials) {
         this.obj = obj;
         this.component = component;
         this.materialName = materialName;
@@ -50,6 +55,46 @@ public class MtlExpoter {
         }
 
         // Apply coloring
+        applyColoring(appearance, material);
+
+        // Apply texture
+        applyTexture(appearance, material);
+
+        materials.add(material);
+    }
+
+    private static void applyTexture(Appearance appearance, DefaultMtl material) {
+        Decal texture = appearance.getTexture();
+        if (texture == null) {
+            return;
+        }
+
+        final DefaultTextureOptions textureOptions = new DefaultTextureOptions();
+
+        // TODO: file name (save externally if saved inside .ork)
+        //String filePath = texture.getImage().getDecalFile().getAbsolutePath();
+        String filePath = "/Users/SiboVanGool/Downloads/hello.jpeg";
+        textureOptions.setFileName(filePath);
+
+        // Texture offset
+        final Coordinate origin = texture.getOffset();
+        Float origX = (float) origin.x;
+        Float origY = (float) origin.y;
+        textureOptions.setO(origX, origY, 0f);
+
+        // Texture scale
+        final Coordinate scale = texture.getScale();
+        Float scaleX = (float) scale.x;
+        Float scaleY = (float) scale.y;
+        textureOptions.setS(scaleX, scaleY, 1f);
+
+        // TODO: rotation
+
+        // Apply the texture
+        material.setMapKdOptions(textureOptions);
+    }
+
+    private static void applyColoring(Appearance appearance, DefaultMtl material) {
         Color color = appearance.getPaint();
         final float r = color.getRed()/255f;
         final float g = color.getGreen()/255f;
@@ -60,9 +105,5 @@ public class MtlExpoter {
         material.setD(color.getAlpha()/255f);                   // Opacity
         material.setNs((float) appearance.getShine() * 750);    // Shine (max is 1000, but this too strong compared to OpenRocket's max)
         material.setIllum(2);                                   // Use Phong reflection (specular highlights etc.)
-
-        // TODO: Apply texture
-
-        materials.add(material);
     }
 }
diff --git a/core/src/net/sf/openrocket/file/wavefrontobj/export/OBJExporterFactory.java b/core/src/net/sf/openrocket/file/wavefrontobj/export/OBJExporterFactory.java
index 0080fa11c..cd05b8e71 100644
--- a/core/src/net/sf/openrocket/file/wavefrontobj/export/OBJExporterFactory.java
+++ b/core/src/net/sf/openrocket/file/wavefrontobj/export/OBJExporterFactory.java
@@ -197,7 +197,7 @@ public class OBJExporterFactory {
     }
 
     private static void writeObj(DefaultObj obj, String filePath) {
-        try (OutputStream objOutputStream = new FileOutputStream(filePath)) {
+        try (OutputStream objOutputStream = new FileOutputStream(filePath, false)) {
             ObjWriter.write(obj, objOutputStream);
         } catch (IOException e) {
             throw new RuntimeException(e);
@@ -223,8 +223,8 @@ public class OBJExporterFactory {
 
         // Export material
         if (options.isExportAppearance()) {
-            MtlExpoter mtlExpoter = new MtlExpoter(obj, component, "mat_" + groupName, materials);
-            mtlExpoter.doExport();
+            AppearanceExporter appearanceExporter = new AppearanceExporter(obj, component, "mat_" + groupName, materials);
+            appearanceExporter.doExport();
         }
 
         // Export component