From 7737e73dd299e813ba03d227b6113df4d5b557df Mon Sep 17 00:00:00 2001 From: celest Date: Mon, 27 Dec 2004 19:22:37 +0000 Subject: * Updated map cache system from jA git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/branches/stable@824 54d463be-8e91-2dee-dedb-b68131a5f0ec --- src/map/map.c | 149 ++++++++++++++++++++++++++++++++++++++++------------------ 1 file changed, 102 insertions(+), 47 deletions(-) (limited to 'src/map/map.c') diff --git a/src/map/map.c b/src/map/map.c index 83ef75762..f36ef0ccf 100644 --- a/src/map/map.c +++ b/src/map/map.c @@ -150,20 +150,9 @@ struct charid2nick { int req_id; }; -//各マップごとの最小限情報を入れるもの、READ_FROM_BITMAP用 -/*typedef struct{ - char fn[32];//ファイル名 - int xs,ys; //幅と高さ - int sizeinint;//intでの大きさ、1intに32セルの情報が入てる - int celltype[MAX_CELL_TYPE];//マップごとにそのタイプのセルがあれば対応する数字が入る、なければ1 - //(タイプ1そのものは0と同じ配列gat_fileused[0]に - long pos[MAX_CELL_TYPE];//ビットマップファイルでの場所、読み出す時に使う -} CELL_INFO;*/ - -//#define READ_FROM_GAT 0 //gatファイルから -//#define READ_FROM_BITMAP 1 //ビットマップファイルから -int map_read_flag = READ_FROM_GAT;//上の判定フラグ,どっちを使うかはmap_athana.conf内のread_map_from_bitmapで指定 - //0ならばREAD_FROM_GAT,1ならばREAD_FROM_BITMAP +int map_read_flag = READ_FROM_GAT; +// マップキャッシュ利用フラグ,どっちを使うかはmap_athana.conf内のread_map_from_bitmapで指定 +// 0ならば利用しない、1だと非圧縮保存、2だと圧縮して保存 int map_getcell(int,int x,int y,CELL_CHK cellchk); int map_getcellp(struct map_data* m,int x,int y,CELL_CHK cellchk); @@ -1569,9 +1558,9 @@ static int map_cache_open(char *fn) { return 1; } fclose(map_cache.fp); - } else { - map_read_flag = CREATE_BITMAP; - } + } else if (map_read_flag == READ_FROM_BITMAP || map_read_flag == READ_FROM_BITMAP_COMPRESSED) + ++map_read_flag; // set to CREATE flag + // 読み込みに失敗したので新規に作成する map_cache.fp = fopen(fn,"wb"); if(map_cache.fp) { @@ -1611,10 +1600,8 @@ int map_cache_read(struct map_data *m) { if(map_cache.map[i].water_height != map_waterheight(m->name)) { // 水場の高さが違うので読み直し return 0; - } else if(map_cache.map[i].compressed) { - // 圧縮ファイルは未対応 - return 0; - } else { + } else if(map_cache.map[i].compressed == 0) { + // 非圧縮ファイル int size = map_cache.map[i].xs * map_cache.map[i].ys; m->xs = map_cache.map[i].xs; m->ys = map_cache.map[i].ys; @@ -1625,12 +1612,36 @@ int map_cache_read(struct map_data *m) { return 1; } else { // なぜかファイル後半が欠けてるので読み直し - m->xs = 0; - m->ys = 0; - free(m->gat); - m->gat = NULL; + m->xs = 0; m->ys = 0; m->gat = NULL; free(m->gat); + return 0; + } + } else if(map_cache.map[i].compressed == 1) { + // 圧縮フラグ=1 : zlib + unsigned char *buf; + unsigned long dest_len; + int size_compress = map_cache.map[i].compressed_len; + m->xs = map_cache.map[i].xs; + m->ys = map_cache.map[i].ys; + m->gat = (unsigned char *)aMalloc(m->xs * m->ys * sizeof(unsigned char)); + buf = (unsigned char*)aMalloc(size_compress); + fseek(map_cache.fp,map_cache.map[i].pos,SEEK_SET); + if(fread(buf,1,size_compress,map_cache.fp) != size_compress) { + // なぜかファイル後半が欠けてるので読み直し + printf("fread error\n"); + m->xs = 0; m->ys = 0; m->gat = NULL; + free(m->gat); free(buf); return 0; } + dest_len = m->xs * m->ys; + decode_zip(m->gat,&dest_len,buf,size_compress); + if(dest_len != map_cache.map[i].xs * map_cache.map[i].ys) { + // 正常に解凍が出来てない + m->xs = 0; m->ys = 0; m->gat = NULL; + free(m->gat); free(buf); + return 0; + } + free(buf); + return 1; } } } @@ -1639,29 +1650,52 @@ int map_cache_read(struct map_data *m) { static int map_cache_write(struct map_data *m) { int i; + unsigned long len_new , len_old; + char *write_buf; if(!map_cache.fp) { return 0; } for(i = 0;i < map_cache.head.nmaps ; i++) { if(!strcmp(m->name,map_cache.map[i].fn)) { // 同じエントリーがあれば上書き - if( - map_cache.map[i].xs == m->xs && map_cache.map[i].ys == m->ys && - !map_cache.map[i].compressed - ) { - // 幅と高さ同じで圧縮してないなら場所は変わらない + if(map_cache.map[i].compressed == 0) { + len_old = map_cache.map[i].xs * map_cache.map[i].ys; + } else if(map_cache.map[i].compressed == 1) { + len_old = map_cache.map[i].compressed_len; + } else { + // サポートされてない形式なので長さ０ + len_old = 0; + } + if(map_read_flag >= READ_FROM_BITMAP_COMPRESSED) { + // 圧縮保存 + // さすがに２倍に膨れる事はないという事で + write_buf = aMalloc(m->xs * m->ys * 2); + len_new = m->xs * m->ys * 2; + encode_zip(write_buf,&len_new,m->gat,m->xs * m->ys); + map_cache.map[i].compressed = 1; + map_cache.map[i].compressed_len = len_new; + } else { + len_new = m->xs * m->ys; + write_buf = m->gat; + map_cache.map[i].compressed = 0; + map_cache.map[i].compressed_len = 0; + } + if(len_new <= len_old) { + // サイズが同じか小さくなったので場所は変わらない fseek(map_cache.fp,map_cache.map[i].pos,SEEK_SET); - fwrite(m->gat,m->xs,m->ys,map_cache.fp); + fwrite(write_buf,1,len_new,map_cache.fp); } else { - // 幅と高さが違うなら新しい場所に登録 - int size = m->xs * m->ys; + // 新しい場所に登録 fseek(map_cache.fp,map_cache.head.filesize,SEEK_SET); - fwrite(m->gat,1,size,map_cache.fp); + fwrite(write_buf,1,len_new,map_cache.fp); map_cache.map[i].pos = map_cache.head.filesize; - map_cache.map[i].xs = m->xs; - map_cache.map[i].ys = m->ys; - map_cache.head.filesize += size; + map_cache.head.filesize += len_new; } + map_cache.map[i].xs = m->xs; + map_cache.map[i].ys = m->ys; map_cache.map[i].water_height = map_waterheight(m->name); map_cache.dirty = 1; + if(map_read_flag >= READ_FROM_BITMAP_COMPRESSED) { + free(write_buf); + } return 0; } } @@ -1669,16 +1703,30 @@ static int map_cache_write(struct map_data *m) { for(i = 0;i < map_cache.head.nmaps ; i++) { if(map_cache.map[i].fn[0] == 0) { // 新しい場所に登録 - int size = m->xs * m->ys; + if(map_read_flag >= READ_FROM_BITMAP_COMPRESSED) { + write_buf = aMalloc(m->xs * m->ys * 2); + len_new = m->xs * m->ys * 2; + encode_zip(write_buf,&len_new,m->gat,m->xs * m->ys); + map_cache.map[i].compressed = 1; + map_cache.map[i].compressed_len = len_new; + } else { + len_new = m->xs * m->ys; + write_buf = m->gat; + map_cache.map[i].compressed = 0; + map_cache.map[i].compressed_len = 0; + } strncpy(map_cache.map[i].fn,m->name,sizeof(map_cache.map[0].fn)); fseek(map_cache.fp,map_cache.head.filesize,SEEK_SET); - fwrite(m->gat,1,size,map_cache.fp); + fwrite(write_buf,1,len_new,map_cache.fp); map_cache.map[i].pos = map_cache.head.filesize; map_cache.map[i].xs = m->xs; map_cache.map[i].ys = m->ys; map_cache.map[i].water_height = map_waterheight(m->name); - map_cache.head.filesize += size; + map_cache.head.filesize += len_new; map_cache.dirty = 1; + if(map_read_flag >= READ_FROM_BITMAP_COMPRESSED) { + free(write_buf); + } return 0; } } @@ -1931,13 +1979,14 @@ int map_readallmap(void) { int map_cache = 0; // マップキャッシュを開く - if(map_read_flag == READ_FROM_BITMAP) { + if(map_read_flag >= READ_FROM_BITMAP) { map_cache_open(map_bitmap_filename); } sprintf(tmp_output, "Loading Maps%s...\n", - (map_read_flag == CREATE_BITMAP ? " (Generating Map Cache)" : - map_read_flag == READ_FROM_BITMAP ? " (w/ Map Cache)" : + (map_read_flag == CREATE_BITMAP_COMPRESSED ? " (Generating Map Cache w/ Compression)" : + map_read_flag == CREATE_BITMAP ? " (Generating Map Cache)" : + map_read_flag >= READ_FROM_BITMAP ? " (w/ Map Cache)" : map_read_flag == READ_FROM_AFM ? " (w/ AFM)" : "")); ShowStatus(tmp_output); @@ -2001,8 +2050,8 @@ int map_readallmap(void) { ShowInfo(tmp_output); map_cache_close(); - if(map_read_flag == CREATE_BITMAP) { - map_read_flag = READ_FROM_BITMAP; + if(map_read_flag == CREATE_BITMAP || map_read_flag == CREATE_BITMAP_COMPRESSED) { + --map_read_flag; } if (maps_removed) { @@ -2214,10 +2263,14 @@ int map_config_read(char *cfgName) { } else if (strcmpi(w1, "mapreg_txt") == 0) { strcpy(mapreg_txt, w2); }else if(strcmpi(w1,"read_map_from_bitmap")==0){ - if (atoi(w2) == 1) + if (atoi(w2) == 2) + map_read_flag = READ_FROM_BITMAP_COMPRESSED; + else if (atoi(w2) == 1) map_read_flag = READ_FROM_BITMAP; else map_read_flag = READ_FROM_GAT; + }else if(strcmpi(w1,"map_bitmap_path")==0){ + strncpy(map_bitmap_filename,w2,255); } else if (strcmpi(w1, "import") == 0) { map_config_read(w2); } else if (strcmpi(w1, "console") == 0) { @@ -2408,7 +2461,9 @@ int sql_config_read(char *cfgName) } else if(strcmpi(w1,"log_db_port")==0) { log_db_port = atoi(w2); }else if(strcmpi(w1,"read_map_from_bitmap")==0){ - if (atoi(w2) == 1) + if (atoi(w2) == 2) + map_read_flag = READ_FROM_BITMAP_COMPRESSED; + else if (atoi(w2) == 1) map_read_flag = READ_FROM_BITMAP; else map_read_flag = READ_FROM_GAT; -- cgit v1.2.3-70-g09d2