mirror of
https://github.com/FWGS/xash3d-fwgs
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filesystem: add Android assets support
This commit is contained in:
parent
0a0d63663a
commit
6426919cb5
334
filesystem/android.c
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334
filesystem/android.c
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@ -0,0 +1,334 @@
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/*
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android.c - android support for filesystem
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Copyright (C) 2022 Velaron
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#include "port.h"
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#if XASH_ANDROID
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <stddef.h>
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#include STDINT_H
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#include "filesystem_internal.h"
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#include "crtlib.h"
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#include "xash3d_mathlib.h"
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#include "common/com_strings.h"
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#include <jni.h>
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#include <android/asset_manager.h>
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#include <android/asset_manager_jni.h>
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#include <time.h>
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struct android_assets_s
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{
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string package_name;
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qboolean engine;
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AAssetManager *asset_manager;
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AAssetDir *dir;
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};
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/*
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struct android_saf_s
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{
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};
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*/
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struct jni_methods_s
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{
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JNIEnv *env;
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jobject activity;
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jclass activity_class;
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jmethodID getPackageName;
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jmethodID getCallingPackage;
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jmethodID getAssetsList;
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} jni;
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static void Android_GetAssetManager( android_assets_t *assets )
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{
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jmethodID getAssets;
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jobject assetManager;
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getAssets = (*jni.env)->GetMethodID( jni.env, jni.activity_class, "getAssets", "(Z)Landroid/content/res/AssetManager;" );
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assetManager = (*jni.env)->CallObjectMethod( jni.env, jni.activity, getAssets, assets->engine );
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if( assetManager )
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assets->asset_manager = AAssetManager_fromJava( jni.env, assetManager );
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else if( assets->engine )
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Con_Reportf( S_WARN "Couldn't add engine assets!" );
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}
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static const char *Android_GetPackageName( qboolean engine )
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{
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static string pkg;
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jstring resultJNIStr;
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const char *resultCStr;
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resultJNIStr = (*jni.env)->CallObjectMethod( jni.env, jni.activity, engine ? jni.getPackageName : jni.getCallingPackage );
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if( !resultJNIStr )
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return NULL;
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resultCStr = (*jni.env)->GetStringUTFChars( jni.env, resultJNIStr, NULL );
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Q_strncpy( pkg, resultCStr, sizeof( pkg ));
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(*jni.env)->ReleaseStringUTFChars( jni.env, resultJNIStr, resultCStr );
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return pkg;
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}
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static void Android_ListDirectory( stringlist_t *list, const char *path, qboolean engine )
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{
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jstring JStr = (*jni.env)->NewStringUTF( jni.env, path );
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jobjectArray JNIArray = (*jni.env)->CallObjectMethod( jni.env, jni.activity, jni.getAssetsList, engine, JStr );
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int JNIArraySize = (*jni.env)->GetArrayLength( jni.env, JNIArray );
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for( int i = 0; i < JNIArraySize; i++ )
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{
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jstring JNIStr = (*jni.env)->GetObjectArrayElement( jni.env, JNIArray, i );
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const char *CStr = (*jni.env)->GetStringUTFChars( jni.env, JNIStr, NULL );
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stringlistappend( list, (char *)CStr );
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(*jni.env)->ReleaseStringUTFChars( jni.env, JNIStr, CStr );
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}
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}
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static void FS_CloseAndroidAssets( android_assets_t *assets )
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{
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if( assets->dir )
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AAssetDir_close( assets->dir );
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Mem_Free( assets );
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}
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static android_assets_t *FS_LoadAndroidAssets( qboolean engine )
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{
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android_assets_t *assets = (android_assets_t *)Mem_Calloc( fs_mempool, sizeof( android_assets_t ));
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memset( assets, 0, sizeof( android_assets_t ));
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assets->engine = engine;
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Android_GetAssetManager( assets );
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if( !assets->asset_manager )
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{
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FS_CloseAndroidAssets( assets );
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return NULL;
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}
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assets->dir = AAssetManager_openDir( assets->asset_manager, "" );
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if( !assets->dir )
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{
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FS_CloseAndroidAssets( assets );
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return NULL;
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}
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return assets;
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}
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static int FS_FileTime_AndroidAssets( searchpath_t *search, const char *filename )
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{
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static time_t time;
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if( !time )
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{
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struct tm file_tm;
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strptime( __DATE__ " "__TIME__, "%b %d %Y %H:%M:%S", &file_tm );
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time = mktime( &file_tm );
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}
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return time;
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}
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static int FS_FindFile_AndroidAssets( struct searchpath_s *search, const char *path, char *fixedname, size_t len )
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{
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AAsset *assets = AAssetManager_open( search->assets->asset_manager, path, AASSET_MODE_UNKNOWN );
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if( assets )
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{
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AAsset_close( assets );
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Q_strncpy( fixedname, path, len );
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return 0;
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}
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return -1;
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}
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static void FS_PrintInfo_AndroidAssets( searchpath_t *search, char *dst, size_t size )
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{
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Q_snprintf( dst, size, "%s", search->assets->package_name );
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}
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static void FS_Close_AndroidAssets( searchpath_t *search )
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{
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FS_CloseAndroidAssets( search->assets );
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}
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static void FS_Search_AndroidAssets( searchpath_t *search, stringlist_t *list, const char *pattern, int caseinsensitive )
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{
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string temp;
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stringlist_t dirlist;
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const char *slash, *backslash, *colon, *separator;
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int basepathlength, dirlistindex, resultlistindex;
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char *basepath;
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slash = Q_strrchr( pattern, '/' );
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backslash = Q_strrchr( pattern, '\\' );
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colon = Q_strrchr( pattern, ':' );
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separator = Q_max( slash, backslash );
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separator = Q_max( separator, colon );
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basepathlength = separator ? (separator + 1 - pattern) : 0;
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basepath = Mem_Calloc( fs_mempool, basepathlength + 1 );
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if( basepathlength )
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memcpy( basepath, pattern, basepathlength );
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basepath[basepathlength] = '\0';
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stringlistinit( &dirlist );
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Android_ListDirectory( &dirlist, basepath, search->assets->engine );
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Q_strncpy( temp, basepath, sizeof( temp ));
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for( dirlistindex = 0; dirlistindex < dirlist.numstrings; dirlistindex++ )
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{
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Q_strncpy( &temp[basepathlength], dirlist.strings[dirlistindex], sizeof( temp ) - basepathlength );
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if( matchpattern( temp, (char *)pattern, true ))
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{
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for( resultlistindex = 0; resultlistindex < list->numstrings; resultlistindex++ )
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{
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if( !Q_strcmp( list->strings[resultlistindex], temp ))
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break;
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}
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if( resultlistindex == list->numstrings )
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stringlistappend( list, temp );
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}
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}
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stringlistfreecontents( &dirlist );
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Mem_Free( basepath );
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}
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static file_t *FS_OpenFile_AndroidAssets( searchpath_t *search, const char *filename, const char *mode, int pack_ind )
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{
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file_t *file = (file_t *)Mem_Calloc( fs_mempool, sizeof( file_t ));
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AAsset *assets = AAssetManager_open( search->assets->asset_manager, filename, AASSET_MODE_RANDOM );
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file->handle = AAsset_openFileDescriptor( assets, &file->offset, &file->real_length );
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file->position = 0;
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file->ungetc = EOF;
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AAsset_close( assets );
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return file;
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}
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static byte *FS_LoadAndroidAssetsFile( searchpath_t *search, const char *path, int pack_ind, fs_offset_t *filesize )
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{
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byte *buf;
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off_t size;
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AAsset *asset;
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if( filesize ) *filesize = 0;
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asset = AAssetManager_open( search->assets->asset_manager, path, AASSET_MODE_RANDOM );
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if( !asset )
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return NULL;
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size = AAsset_getLength( asset );
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buf = (byte *)Mem_Malloc( fs_mempool, size + 1 );
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buf[size] = '\0';
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if( AAsset_read( asset, buf, size ) < 0 )
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{
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Mem_Free( buf );
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AAsset_close( asset );
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return NULL;
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}
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AAsset_close( asset );
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if( filesize ) *filesize = size;
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return buf;
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}
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searchpath_t *FS_AddAndroidAssets_Fullpath( const char *path, int flags )
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{
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searchpath_t *search;
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android_assets_t *assets = NULL;
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qboolean engine = true;
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if(( flags & FS_STATIC_PATH ) || ( flags & FS_CUSTOM_PATH ))
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return NULL;
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if(( flags & FS_GAMEDIR_PATH ) && Q_stricmp( GI->basedir, GI->gamefolder ))
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engine = false;
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assets = FS_LoadAndroidAssets( engine );
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if( !assets )
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{
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Con_Reportf( S_ERROR "%s: unable to load Android assets \"%s\"\n", __FUNCTION__, Android_GetPackageName( engine ) );
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return NULL;
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}
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Q_strncpy( assets->package_name, Android_GetPackageName( engine ), sizeof( assets->package_name ));
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search = (searchpath_t *)Mem_Calloc( fs_mempool, sizeof( searchpath_t ));
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memset( search, 0, sizeof( searchpath_t ));
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Q_strncpy( search->filename, assets->package_name, sizeof( search->filename ));
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search->assets = assets;
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search->type = SEARCHPATH_ANDROID_ASSETS;
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search->flags = FS_NOWRITE_PATH | FS_CUSTOM_PATH;
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search->pfnPrintInfo = FS_PrintInfo_AndroidAssets;
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search->pfnClose = FS_Close_AndroidAssets;
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search->pfnOpenFile = FS_OpenFile_AndroidAssets;
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search->pfnFileTime = FS_FileTime_AndroidAssets;
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search->pfnFindFile = FS_FindFile_AndroidAssets;
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search->pfnSearch = FS_Search_AndroidAssets;
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search->pfnLoadFile = FS_LoadAndroidAssetsFile;
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Con_Reportf( "Adding Android assets: %s\n", assets->package_name );
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return search;
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}
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void FS_InitAndroid( void )
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{
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jmethodID getContext;
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jni.env = (JNIEnv *)Sys_GetNativeObject( "JNIEnv" );
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jni.activity_class = Sys_GetNativeObject( "ActivityClass" );
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getContext = (*jni.env)->GetStaticMethodID( jni.env, jni.activity_class, "getContext", "()Landroid/content/Context;" );
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jni.activity = (*jni.env)->CallStaticObjectMethod( jni.env, jni.activity_class, getContext );
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jni.getPackageName = (*jni.env)->GetMethodID( jni.env, jni.activity_class, "getPackageName", "()Ljava/lang/String;" );
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jni.getCallingPackage = (*jni.env)->GetMethodID( jni.env, jni.activity_class, "getCallingPackage", "()Ljava/lang/String;" );
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jni.getAssetsList = (*jni.env)->GetMethodID( jni.env, jni.activity_class, "getAssetsList", "(ZLjava/lang/String;)[Ljava/lang/String;" );
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}
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#endif // XASH_ANDROID
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@ -71,8 +71,10 @@ const fs_archive_t g_archives[] =
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static const fs_archive_t g_directory_archive =
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{ NULL, SEARCHPATH_PLAIN, FS_AddDir_Fullpath, false };
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// static const fs_archive_t g_android_archive =
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// { NULL, SEARCHPATH_ANDROID, FS_AddAndroid_Fullpath, false, false };
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#ifdef XASH_ANDROID
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static const fs_archive_t g_android_archive =
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{ NULL, SEARCHPATH_ANDROID_ASSETS, FS_AddAndroidAssets_Fullpath, false };
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#endif
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#ifdef XASH_REDUCE_FD
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static file_t *fs_last_readfile;
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@ -403,6 +405,10 @@ void FS_AddGameDirectory( const char *dir, uint flags )
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stringlistfreecontents( &list );
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#ifdef XASH_ANDROID
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FS_AddArchive_Fullpath( &g_android_archive, dir, flags );
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#endif
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// add the directory to the search path
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// (unpacked files have the priority over packed files)
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search = FS_AddArchive_Fullpath( &g_directory_archive, dir, flags );
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@ -1406,6 +1412,10 @@ qboolean FS_InitStdio( qboolean unused_set_to_true, const char *rootdir, const c
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FS_InitMemory();
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#ifdef XASH_ANDROID
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FS_InitAndroid();
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#endif
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Q_strncpy( fs_rootdir, rootdir, sizeof( fs_rootdir ));
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Q_strncpy( fs_gamedir, gamedir, sizeof( fs_gamedir ));
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Q_strncpy( fs_basedir, basedir, sizeof( fs_basedir ));
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@ -22,6 +22,10 @@ GNU General Public License for more details.
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#include "xash3d_types.h"
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#include "filesystem.h"
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#if XASH_ANDROID
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#include <android/asset_manager.h>
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#endif
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#ifdef __cplusplus
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extern "C"
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{
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@ -31,6 +35,10 @@ typedef struct dir_s dir_t;
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typedef struct zip_s zip_t;
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typedef struct pack_s pack_t;
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typedef struct wfile_s wfile_t;
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#if XASH_ANDROID
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typedef struct android_assets_s android_assets_t;
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// typedef struct android_saf_s android_saf_t;
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#endif
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#define FILE_BUFF_SIZE (2048)
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@ -58,7 +66,8 @@ enum
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SEARCHPATH_PAK,
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SEARCHPATH_WAD,
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SEARCHPATH_ZIP,
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SEARCHPATH_PK3DIR, // it's actually a plain directory but it must behave like a ZIP archive
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SEARCHPATH_PK3DIR, // it's actually a plain directory but it must behave like a ZIP archive,
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SEARCHPATH_ANDROID_ASSETS
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};
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typedef struct stringlist_s
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@ -81,6 +90,9 @@ typedef struct searchpath_s
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pack_t *pack;
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wfile_t *wad;
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zip_t *zip;
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#if XASH_ANDROID
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android_assets_t *assets;
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#endif
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};
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struct searchpath_s *next;
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@ -225,6 +237,12 @@ searchpath_t *FS_AddDir_Fullpath( const char *path, int flags );
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qboolean FS_FixFileCase( dir_t *dir, const char *path, char *dst, const size_t len, qboolean createpath );
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void FS_InitDirectorySearchpath( searchpath_t *search, const char *path, int flags );
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//
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// android.c
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//
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void FS_InitAndroid( void );
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searchpath_t *FS_AddAndroidAssets_Fullpath( const char *path, int flags );
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#ifdef __cplusplus
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}
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#endif
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