Added support for playing music in zip files.

3 files changed, 50 insertions, 1 deletions

diff --git a/src/resources/resourcemanager.cpp b/src/resources/resourcemanager.cpp
index 33d5e3e5..e24ebafb 100644
--- a/src/resources/resourcemanager.cpp
+++ b/src/resources/resourcemanager.cpp
@@ -419,6 +419,32 @@ void *ResourceManager::loadFile(const std::string &fileName, int &fileSize)
     return buffer;
 }
 
+bool ResourceManager::moveFile(const std::string &src, const std::string &dst)
+{
+    PHYSFS_file *srcFile = PHYSFS_openRead(src.c_str());
+    if (!srcFile)
+    {
+        logger->log("Read error: %s", PHYSFS_getLastError());
+        return false;
+    }
+    PHYSFS_file *dstFile = PHYSFS_openWrite(dst.c_str());
+    if (!dstFile)
+    {
+        logger->log("Write error: %s", PHYSFS_getLastError());
+        PHYSFS_close(srcFile);
+        return false;
+    }
+
+    int fileSize = PHYSFS_fileLength(srcFile);
+    void *buf = malloc(fileSize);
+    PHYSFS_read(srcFile, buf, 1, fileSize);
+    PHYSFS_write(dstFile, buf, 1, fileSize);
+
+    PHYSFS_close(srcFile);
+    PHYSFS_close(dstFile);
+    return true;
+}
+
 std::vector<std::string> ResourceManager::loadTextFile(const std::string &fileName)
 {
     int contentsLength;
diff --git a/src/resources/resourcemanager.h b/src/resources/resourcemanager.h
index ec60fa9a..19c0cb61 100644
--- a/src/resources/resourcemanager.h
+++ b/src/resources/resourcemanager.h
@@ -125,6 +125,17 @@ class ResourceManager
         Resource *load(const std::string &path, loader fun);
 
         /**
+        * Copies a file from one place to another (useful for extracting
+        * raw files from a zip archive, for example)
+        *
+        * @param src Source file name
+        * @param dst Destination file name
+        * @return true on success, false on failure. An error message should be
+        *         in the log file.
+        */
+        bool moveFile(const std::string &src, const std::string &dst);
+
+        /**
          * Convenience wrapper around ResourceManager::get for loading
          * images.
          */
diff --git a/src/sound.cpp b/src/sound.cpp
index 3686d009..39651045 100644
--- a/src/sound.cpp
+++ b/src/sound.cpp
@@ -20,6 +20,7 @@
  */
 
 #include <SDL.h>
+#include <physfs.h>
 
 #include "log.h"
 #include "sound.h"
@@ -141,7 +142,18 @@ static Mix_Music *loadMusic(const std::string &filename)
     ResourceManager *resman = ResourceManager::getInstance();
     std::string path = resman->getPath("music/" + filename);
 
-    logger->log("Loading music \"%s\"", path.c_str());
+    if (path.find(".zip/") != std::string::npos ||
+        path.find(".zip\\") != std::string::npos)
+    {
+        // Music file is a virtual file inside a zip archive - we have to copy
+        // it to a temporary physical file so that SDL_mixer can stream it.
+        logger->log("Loading music \"%s\" from temporary file tempMusic.ogg",
+                    path.c_str());
+        resman->moveFile("music/" + filename, "tempMusic.ogg");
+        path = resman->getPath("tempMusic.ogg");
+    } else {
+        logger->log("Loading music \"%s\"", path.c_str());
+    }
 
     Mix_Music *music = Mix_LoadMUS(path.c_str());