From fbad53d1a8cc89d07227165042cd55e7ed9c5dd2 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 22 Sep 2013 15:56:01 +0300
Subject: add support in ADNROID+SDL2 for loading data from assets.

---
 src/client.cpp      | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/client.h        |  6 ++++++
 src/gui/sdlfont.cpp |  9 +++++++--
 3 files changed, 67 insertions(+), 2 deletions(-)

diff --git a/src/client.cpp b/src/client.cpp
index cc2a06f77..3a5a3f943 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -365,6 +365,11 @@ void Client::gameInit()
     Fuzzer::init();
 #endif
 
+#ifdef ANDROID
+#ifdef USE_SDL2
+    extractAssets();
+#endif
+#endif
     initConfiguration();
     paths.setDefaultValues(getPathsDefaults());
     initFeatures();
@@ -518,6 +523,15 @@ void Client::gameInit()
     mPackageDir = PKG_DATADIR "data";
     resman->addToSearchPath("data", false);
 
+#ifdef ANDROID
+#ifdef USE_SDL2
+    if (getenv("APPDIR"))
+    {
+        resman->addToSearchPath(std::string(getenv("APPDIR"))
+            + "/data.zip", false);
+    }
+#endif
+#endif
     // Add branding/data to PhysFS search path
     if (!mOptions.brandingPath.empty())
     {
@@ -3175,3 +3189,43 @@ void Client::handleActive(const SDL_Event &event)
         setMouseFocused(event.active.gain);
 }
 #endif
+
+#ifdef ANDROID
+#ifdef USE_SDL2
+void Client::extractAssets()
+{
+    if (!getenv("APPDIR"))
+    {
+        logger->log("error: APPDIR is not set!");
+        return;
+    }
+    const std::string fileName = std::string(getenv(
+        "APPDIR")).append("/data.zip");
+    logger->log("Extracting asset into: " + fileName);
+    FILE *const file = fopen(fileName.c_str(), "w");
+    uint8_t *buf = new uint8_t[1000000];
+    for (int f = 0; f < 100; f ++)
+    {
+        std::string part = strprintf("manaplus-data.zip%u%u",
+            static_cast<unsigned int>(f / 10),
+            static_cast<unsigned int>(f % 10));
+        logger->log("testing asset: " + part);
+        SDL_RWops *const rw = SDL_RWFromFile(part.c_str(), "r");
+        if (rw)
+        {
+            const int size = SDL_RWsize(rw);
+            int size2 = SDL_RWread(rw, buf, 1, size);
+            logger->log("asset size: %d", size2);
+            fwrite(buf, 1, size2, file);
+            SDL_RWclose(rw);
+        }
+        else
+        {
+            break;
+        }
+    }
+    delete [] buf;
+    fclose(file);
+}
+#endif
+#endif
diff --git a/src/client.h b/src/client.h
index fe19a7154..6c1a7bff2 100644
--- a/src/client.h
+++ b/src/client.h
@@ -391,6 +391,12 @@ private:
 
     static void setEnv(const char *const name, const char *const value);
 
+#ifdef ANDROID
+#ifdef USE_SDL2
+    void extractAssets();
+#endif
+#endif
+
     Options mOptions;
 
     std::string mPackageDir;
diff --git a/src/gui/sdlfont.cpp b/src/gui/sdlfont.cpp
index eb05bea8d..07da298b2 100644
--- a/src/gui/sdlfont.cpp
+++ b/src/gui/sdlfont.cpp
@@ -35,6 +35,7 @@
 #include "resources/surfaceimagehelper.h"
 
 #include "utils/paths.h"
+#include "utils/physfsrwops.h"
 #include "utils/sdlcheckutils.h"
 
 #include <guichan/exception.hpp>
@@ -397,8 +398,12 @@ SDLFont::~SDLFont()
 
 TTF_Font *SDLFont::openFont(const char *const name, const int size)
 {
-    return TTF_OpenFontIndex(ResourceManager::getInstance()->getPath(
-        name).c_str(), size, 0);
+    logger->log("font to open: %s", name);
+    ResourceManager *const resman = ResourceManager::getInstance();
+    SDL_RWops *const rw = MPHYSFSRWOPS_openRead(name);
+    if (!rw)
+        return nullptr;
+    return TTF_OpenFontIndexRW(rw, 1, size, 0);
 }
 
 void SDLFont::loadFont(std::string filename,
-- 
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