From 014ec9abb825fc91366ae54945187d01e2c92e55 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Sun, 10 Apr 2022 20:01:38 +0200
Subject: Added simple DataSources to replace parts of DataLoader

---
 StarsEx/DataLoader.cpp | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

(limited to 'StarsEx/DataLoader.cpp')

diff --git a/StarsEx/DataLoader.cpp b/StarsEx/DataLoader.cpp
index 72eaf4b..1dcbe0e 100644
--- a/StarsEx/DataLoader.cpp
+++ b/StarsEx/DataLoader.cpp
@@ -26,11 +26,13 @@ DataLoader*   DataLoader::loader = 0;
 
 DataLoader::DataLoader()
     : datapath(""), video(0), use_file_system(true), enable_media(true)
-{ }
+{
+}
 
 DataLoader::~DataLoader()
 {
     archives.destroy();
+    sources.destroy();
 }
 
 // +--------------------------------------------------------------------+
@@ -82,6 +84,37 @@ DataLoader::EnableMedia(bool enable)
 // +--------------------------------------------------------------------+
 
 int
+DataLoader::InsertDatafile(const char* name, int pos)
+{
+    FILE* f = fopen(name, "rb");
+    if (!f) {
+        Print("   WARNING: could not open datafile '%s'\n", name);
+        return DATAFILE_NOTEXIST;
+    }
+    fclose(f);
+    auto archive = new DataArchive(name);
+    if (!archive || archive->NumFiles() < 1) {
+        Print("   WARNING: invalid data file '%s'\n", name);
+        if (archive) delete archive;
+        return DATAFILE_INVALID;
+    }
+    DataSource* source = new ArchiveDataSource(archive);
+    if (pos < 0)
+        sources.append(source);
+    else
+        sources.insert(source, pos);
+    return DATAFILE_OK;
+}
+
+void
+DataLoader::ClearSources()
+{
+    sources.destroy();
+}
+
+// +--------------------------------------------------------------------+
+
+int
 DataLoader::EnableDatafile(const char* name)
 {
     int status = DATAFILE_NOTEXIST;
-- 
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