X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame_em%2Fcave.c;h=b89c42f3adeba2c430f76c47166e80569b5ded94;hb=3ff2e8a0b5c27b99a9920bdf5ed82bc41bf40181;hp=759d6dc3fbc9c8a87dde46a03c3d8dc4838f59a4;hpb=2b65ec99f743dde3ee41083cf89623d4d9b8740e;p=rocksndiamonds.git diff --git a/src/game_em/cave.c b/src/game_em/cave.c index 759d6dc3..b89c42f3 100644 --- a/src/game_em/cave.c +++ b/src/game_em/cave.c @@ -3,152 +3,106 @@ * cave data structures */ -#include -#include -#include -#include -#include -#include +#include "main_em.h" -#include "global.h" -#include "tile.h" -#include "level.h" -#include "file.h" +struct LevelInfo_EM native_em_level; -#if defined(TARGET_X11) +void setLevelInfoToDefaults_EM(void) +{ + int i; + + native_em_level.file_version = FILE_VERSION_EM_ACTUAL; + + native_em_level.lev = &lev; + for (i = 0; i < MAX_PLAYERS; i++) + native_em_level.ply[i] = &ply[i]; + + lev.width = 64; + lev.height = 32; + + for (i = 0; i < MAX_PLAYERS; i++) + { + ply[i].x_initial = 0; + ply[i].y_initial = 0; + } + + lev.lenses_cnt_initial = 0; + lev.magnify_cnt_initial = 0; + + lev.wheel_cnt_initial = 0; + lev.wheel_x_initial = 1; + lev.wheel_y_initial = 1; + + lev.wind_time = 9999; + lev.wind_cnt_initial = 0; -struct cave_node *cave_list; + lev.wonderwall_state_initial = 0; + lev.wonderwall_time_initial = 0; -static void clear(void); + lev.num_ball_arrays = 8; -/* attempt load a cave + for (i = 0; i < TILE_MAX; i++) + lev.android_array[i] = Xblank; + + /* initial number of players in this level */ + lev.home_initial = 0; + + for (i = 0; i < MAX_PLAYERS; i++) + { + ply[i].exists = 0; + ply[i].alive_initial = FALSE; + } +} + + +/* load cave * * completely initializes the level structure, ready for a game */ -int cave_convert(char *filename) -{ - int result; - FILE *file; - int actual; - unsigned long length; - unsigned char buffer[16384]; - - clear(); - - file = fopen(filename, "rb"); - if(file == 0) { - fprintf(stderr, "%s: \"%s\": %s: %s\n", progname, filename, "open error", strerror(errno)); - result = 1; - goto fail; - } - actual = fread(buffer, 1, 16384, file); - if(actual == -1) { - fprintf(stderr, "%s: \"%s\": %s: %s\n", progname, filename, "read error", strerror(errno)); - result = 1; - goto fail; - } - length = actual; - fclose(file); - file = 0; - - if(clean_emerald(buffer, &length)) { - fprintf(stderr, "%s: \"%s\": %s\n", progname, filename, "unrecognized format"); - result = 1; goto fail; - } - convert_emerald(buffer); - - result = 0; -fail: - if(file) fclose(file); - return(result); -} -static void clear(void) -{ - lev.home = 1; /* number of players */ - lev.width = 0; - lev.height = 0; - lev.time = 0; - lev.required = 0; - lev.score = 0; - - ply1.num = 0; - ply1.alive = (lev.home >= 1); - ply1.dynamite = 0; - ply1.dynamite_cnt = 0; - ply1.keys = 0; - ply1.anim = 0; - ply1.oldx = ply1.x = 0; - ply1.oldy = ply1.y = 0; - ply1.joy_n = ply1.joy_e = ply1.joy_s = ply1.joy_w = ply1.joy_fire = ply1.joy_stick = ply1.joy_spin = 0; - ply2.num = 1; - ply2.alive = (lev.home >= 2); - ply2.dynamite = 0; - ply2.dynamite_cnt = 0; - ply2.keys = 0; - ply2.anim = 0; - ply2.oldx = ply2.x = 0; - ply2.oldy = ply2.y = 0; - ply2.joy_n = ply2.joy_e = ply2.joy_s = ply2.joy_w = ply2.joy_fire = ply2.joy_stick = ply2.joy_spin = 0; -} +#define MAX_EM_LEVEL_SIZE 16384 -void read_cave_list(void) +boolean LoadNativeLevel_EM(char *filename, boolean level_info_only) { - char name[MAXNAME+2]; - struct cave_node *node, **prev; - DIR *dir; - struct dirent *entry; - char *cut; - int len; - - free_cave_list(); /* delete old list if i forgot to before */ - - name[MAXNAME] = 0; - if(arg_basedir) { - snprintf(name, MAXNAME+2, "%s/%s", arg_basedir, EM_LVL_DIR); - } else { - snprintf(name, MAXNAME+2, "%s", EM_LVL_DIR); - } - if(name[MAXNAME]) snprintf_overflow("read cave/ directory"); - - dir = opendir(name); - if(dir) { - prev = &cave_list; - while((entry = readdir(dir))) { - if(strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) continue; - - node = malloc(sizeof(*node)); if(node == 0) break; - *prev = node; prev = &node->next; - - node->path[MAXNAME] = 0; - snprintf(node->path, MAXNAME+2, "%s/%s", name, entry->d_name); - if(node->path[MAXNAME]) snprintf_overflow("read cave/ directory"); - - cut = strrchr(node->path, '/'); cut = cut ? cut + 1 : node->path; - len = strlen(cut); - if(len <= 32) { - strncpy(node->name, cut, 32); - } else { - snprintf(node->name, 32, "%.8s..%s", cut, cut + len - 16); - } - } - *prev = 0; - closedir(dir); - } else { - fprintf(stderr, "%s: \"%s\": %s: %s\n", progname, name, "failed to open directory", strerror(errno)); - } -} + unsigned char raw_leveldata[MAX_EM_LEVEL_SIZE]; + int raw_leveldata_length; + int file_version; + File *file; -void free_cave_list(void) -{ - struct cave_node *node, *next; + /* always start with reliable default values */ + setLevelInfoToDefaults_EM(); - for(node = cave_list; node; node = next) { - next = node->next; - free(node); - } - cave_list = 0; -} + if (!(file = openFile(filename, MODE_READ))) + { + if (!level_info_only) + Error(ERR_WARN, "cannot open level '%s' -- using empty level", filename); + + return FALSE; + } + + raw_leveldata_length = readFile(file, raw_leveldata, 1, MAX_EM_LEVEL_SIZE); + + closeFile(file); -#endif + if (raw_leveldata_length <= 0) + { + Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename); + + return FALSE; + } + + file_version = cleanup_em_level(raw_leveldata, raw_leveldata_length,filename); + + if (file_version == FILE_VERSION_EM_UNKNOWN) + { + Error(ERR_WARN, "unknown EM level '%s' -- using empty level", filename); + + return FALSE; + } + + convert_em_level(raw_leveldata, file_version); + prepare_em_level(); + + return TRUE; +}