From ff6db7ed6b7a5c6f578b632fd0d1bd04f6795733 Mon Sep 17 00:00:00 2001
From: Nils Schmidt <nilsschmidt1337@users.noreply.github.com>
Date: Sun, 4 Aug 2024 20:58:38 +0200
Subject: [PATCH] Prepared fix for issue #1039.

---
 .../nschmidt/ldparteditor/text/DatParser.java | 16 +++++++--
 .../ldparteditor/text/PrimitiveReplacer.java  | 36 ++++++++++++++++++-
 2 files changed, 48 insertions(+), 4 deletions(-)

diff --git a/src/org/nschmidt/ldparteditor/text/DatParser.java b/src/org/nschmidt/ldparteditor/text/DatParser.java
index 6575bc7ed..278fb5268 100644
--- a/src/org/nschmidt/ldparteditor/text/DatParser.java
+++ b/src/org/nschmidt/ldparteditor/text/DatParser.java
@@ -64,6 +64,7 @@ Permission is hereby granted, free of charge, to any person obtaining a copy of
 import org.nschmidt.ldparteditor.logger.NLogger;
 import org.nschmidt.ldparteditor.project.Project;
 import org.nschmidt.ldparteditor.shell.editor3d.Editor3DWindow;
+import org.nschmidt.ldparteditor.workbench.UserSettingState;
 import org.nschmidt.ldparteditor.workbench.WorkbenchManager;
 
 /**
@@ -678,16 +679,18 @@ private static List<ParsingResult> parseReference(String[] dataSegments, int dep
 
             String[] prefix ;
             int readyOnlyAt = 2;
+            final UserSettingState userSettings = WorkbenchManager.getUserSettingState();
+            final boolean isSubstitutingPrimitives = userSettings.isSubstitutingPrimitives();
             if (datFile != null && !datFile.isProjectFile() && !View.DUMMY_DATFILE.equals(datFile)) {
                 File dff = new File(datFile.getOldName()).getParentFile();
                 if (dff != null && dff.exists() && dff.isDirectory()) {
-                    prefix = new String[]{dff.getAbsolutePath(), Project.getProjectPath(), WorkbenchManager.getUserSettingState().getUnofficialFolderPath(), WorkbenchManager.getUserSettingState().getLdrawFolderPath()};
+                    prefix = new String[]{dff.getAbsolutePath(), Project.getProjectPath(), userSettings.getUnofficialFolderPath(), userSettings.getLdrawFolderPath()};
                     readyOnlyAt = 3;
                 } else {
-                    prefix = new String[]{Project.getProjectPath(), WorkbenchManager.getUserSettingState().getUnofficialFolderPath(), WorkbenchManager.getUserSettingState().getLdrawFolderPath()};
+                    prefix = new String[]{Project.getProjectPath(), userSettings.getUnofficialFolderPath(), userSettings.getLdrawFolderPath()};
                 }
             } else {
-                prefix = new String[]{Project.getProjectPath(), WorkbenchManager.getUserSettingState().getUnofficialFolderPath(), WorkbenchManager.getUserSettingState().getLdrawFolderPath()};
+                prefix = new String[]{Project.getProjectPath(), userSettings.getUnofficialFolderPath(), userSettings.getLdrawFolderPath()};
             }
 
             String[] middle = new String[]{"", File.separator + "PARTS", File.separator + "parts", File.separator + "P", File.separator + "p"}; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
@@ -744,6 +747,13 @@ private static List<ParsingResult> parseReference(String[] dataSegments, int dep
                 if (isVirtual) break;
             }
 
+            if (!isVirtual && isSubstitutingPrimitives) {
+                lines = PrimitiveReplacer.substitutePrimitives(shortFilename, userSettings.getPrimitiveSubstitutionQuality());
+                if (!lines.isEmpty()) {
+                    isVirtual = true;
+                }
+            }
+
             if (isVirtual) {
 
                 if (result.isEmpty()) {
diff --git a/src/org/nschmidt/ldparteditor/text/PrimitiveReplacer.java b/src/org/nschmidt/ldparteditor/text/PrimitiveReplacer.java
index 177543022..df933035c 100644
--- a/src/org/nschmidt/ldparteditor/text/PrimitiveReplacer.java
+++ b/src/org/nschmidt/ldparteditor/text/PrimitiveReplacer.java
@@ -16,14 +16,48 @@ Permission is hereby granted, free of charge, to any person obtaining a copy of
 package org.nschmidt.ldparteditor.text;
 
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
+import org.nschmidt.ldparteditor.logger.NLogger;
+
 public enum PrimitiveReplacer {
     INSTANCE;
 
-    private static final Map<String, String> GENERATED_PRIMITIVES_CACHE = new HashMap<>();
+    private static final Map<PrimitiveKey, List<String>> GENERATED_PRIMITIVES_CACHE = new HashMap<>();
 
     public static void clearCache() {
         GENERATED_PRIMITIVES_CACHE.clear();
     }
+
+    public static List<String> substitutePrimitives(String shortFilename, int primitiveSubstitutionQuality) {
+        final PrimitiveKey key = new PrimitiveKey(shortFilename, primitiveSubstitutionQuality);
+        final List<String> cachedResult = GENERATED_PRIMITIVES_CACHE.get(key);
+        if (cachedResult != null) {
+            NLogger.debug(PrimitiveReplacer.class, "Cache hit for : {0}", shortFilename); //$NON-NLS-1$
+            return cachedResult;
+        }
+
+        NLogger.debug(PrimitiveReplacer.class, "Checking potential primitive for substitution (quality {0}) : {1}", primitiveSubstitutionQuality, shortFilename); //$NON-NLS-1$
+
+        final boolean isHiQuality = shortFilename.startsWith("48\\"); //$NON-NLS-1$
+
+        if (shortFilename.startsWith("8\\") || primitiveSubstitutionQuality <= 48 && isHiQuality) { //$NON-NLS-1$
+            NLogger.debug(PrimitiveReplacer.class, "Skipping primitive (low-quality or reduced hi-quality) : {0}", shortFilename); //$NON-NLS-1$
+            return List.of();
+        }
+
+        if (isHiQuality) {
+            shortFilename = shortFilename.substring(3);
+        }
+
+        return substitutePrimitives(shortFilename, primitiveSubstitutionQuality, isHiQuality);
+    }
+
+    private static List<String> substitutePrimitives(String shortFilename, int primitiveSubstitutionQuality, boolean isHiQuality) {
+        // TODO Needs implementation!
+        return List.of();
+    }
+
+    private record PrimitiveKey(String shortFilename, int primitiveSubstitutionQuality) {}
 }