TakeV/dxx-rebirth
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity
dxx-rebirth/similar/main/mission.cpp
Kp e8f4b20d1d Use special type for PHYSFSX_fgets
2014-09-07 20:07:20 +00:00

1045 lines
27 KiB
C++
Raw Blame History

/*
* Portions of this file are copyright Rebirth contributors and licensed as
* described in COPYING.txt.
* Portions of this file are copyright Parallax Software and licensed
* according to the Parallax license below.
* See COPYING.txt for license details.
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
*/
/*
*
* Code to handle multiple missions
*
*/
#include <algorithm>
#include <vector>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <limits.h>
#include "pstypes.h"
#include "strutil.h"
#include "inferno.h"
#include "mission.h"
#include "gameseq.h"
#include "titles.h"
#include "songs.h"
#include "dxxerror.h"
#include "config.h"
#include "newmenu.h"
#include "text.h"
#include "u_mem.h"
#include "ignorecase.h"
#include "physfsx.h"
#include "bm.h"
#if defined(DXX_BUILD_DESCENT_II)
#include "movie.h"
#endif
#include "compiler-make_unique.h"
#include "compiler-range_for.h"
#include "partial_range.h"
using std::min;
//values that describe where a mission is located
enum mle_loc
{
ML_CURDIR = 0,
ML_MISSIONDIR = 1
};
//mission list entry
struct mle
{
std::string::const_iterator filename; // filename without extension
int builtin_hogsize; // if it's the built-in mission, used for determining the version
char mission_name[MISSION_NAME_LEN+1];
#if defined(DXX_BUILD_DESCENT_II)
ubyte descent_version; // descent 1 or descent 2?
#endif
ubyte anarchy_only_flag; // if true, mission is anarchy only
std::string path; // relative file path
enum mle_loc location; // where the mission is
};
typedef std::vector<mle> mission_list;
Mission_ptr Current_mission; // currently loaded mission
// Allocate the Level_names, Secret_level_names and Secret_level_table arrays
static int allocate_levels(void)
{
Level_names = make_unique<d_fname[]>(Last_level);
if (Last_secret_level)
{
N_secret_levels = -Last_secret_level;
Secret_level_names = make_unique<d_fname[]>(N_secret_levels);
Secret_level_table = make_unique<ubyte[]>(N_secret_levels);
}
return 1;
}
//
// Special versions of mission routines for d1 builtins
//
static int load_mission_d1(void)
{
int i;
switch (PHYSFSX_fsize("descent.hog"))
{
case D1_SHAREWARE_MISSION_HOGSIZE:
case D1_SHAREWARE_10_MISSION_HOGSIZE:
N_secret_levels = 0;
Last_level = 7;
Last_secret_level = 0;
if (!allocate_levels())
{
Current_mission.reset();
return 0;
}
//build level names
for (i=0;i<Last_level;i++)
snprintf(&Level_names[i][0u], Level_names[i].size(), "level%02d.sdl", i+1);
Briefing_text_filename = BIMD1_BRIEFING_FILE;
Ending_text_filename = BIMD1_ENDING_FILE_SHARE;
break;
case D1_MAC_SHARE_MISSION_HOGSIZE:
N_secret_levels = 0;
Last_level = 3;
Last_secret_level = 0;
if (!allocate_levels())
{
Current_mission.reset();
return 0;
}
//build level names
for (i=0;i<Last_level;i++)
snprintf(&Level_names[i][0u], Level_names[i].size(), "level%02d.sdl", i+1);
Briefing_text_filename = BIMD1_BRIEFING_FILE;
Ending_text_filename = BIMD1_ENDING_FILE_SHARE;
break;
case D1_OEM_MISSION_HOGSIZE:
case D1_OEM_10_MISSION_HOGSIZE:
N_secret_levels = 1;
Last_level = 15;
Last_secret_level = -1;
if (!allocate_levels())
{
Current_mission.reset();
return 0;
}
//build level names
for (i=0; i < Last_level - 1; i++)
snprintf(&Level_names[i][0u], Level_names[i].size(), "level%02d.rdl", i+1);
snprintf(&Level_names[Last_level - 1][0u], Level_names[Last_level - 1].size(), "saturn%02d.rdl", Last_level);
for (i=0; i < -Last_secret_level; i++)
snprintf(&Secret_level_names[i][0u], Secret_level_names[i].size(), "levels%1d.rdl", i+1);
Secret_level_table[0] = 10;
Briefing_text_filename = BIMD1_BRIEFING_FILE_OEM;
Ending_text_filename = BIMD1_ENDING_FILE_OEM;
break;
default:
Int3(); // fall through
case D1_MISSION_HOGSIZE:
case D1_10_MISSION_HOGSIZE:
case D1_MAC_MISSION_HOGSIZE:
N_secret_levels = 3;
Last_level = BIMD1_LAST_LEVEL;
Last_secret_level = BIMD1_LAST_SECRET_LEVEL;
if (!allocate_levels())
{
Current_mission.reset();
return 0;
}
//build level names
for (i=0;i<Last_level;i++)
snprintf(&Level_names[i][0u], Level_names[i].size(), "level%02d.rdl", i+1);
for (i=0;i<-Last_secret_level;i++)
snprintf(&Secret_level_names[i][0u], Secret_level_names[i].size(), "levels%1d.rdl", i+1);
Secret_level_table[0] = 10;
Secret_level_table[1] = 21;
Secret_level_table[2] = 24;
Briefing_text_filename = BIMD1_BRIEFING_FILE;
Ending_text_filename = BIMD1_ENDING_FILE;
break;
}
return 1;
}
#if defined(DXX_BUILD_DESCENT_II)
//
// Special versions of mission routines for shareware
//
static int load_mission_shareware(void)
{
strcpy(Current_mission->mission_name, SHAREWARE_MISSION_NAME);
Current_mission->descent_version = 2;
Current_mission->anarchy_only_flag = 0;
switch (Current_mission->builtin_hogsize)
{
case MAC_SHARE_MISSION_HOGSIZE:
N_secret_levels = 1;
Last_level = 4;
Last_secret_level = -1;
if (!allocate_levels())
{
Current_mission.reset();
return 0;
}
// mac demo is using the regular hog and rl2 files
Level_names[0] = "d2leva-1.rl2";
Level_names[1] = "d2leva-2.rl2";
Level_names[2] = "d2leva-3.rl2";
Level_names[3] = "d2leva-4.rl2";
Secret_level_names[0] = "d2leva-s.rl2";
break;
default:
Int3(); // fall through
case SHAREWARE_MISSION_HOGSIZE:
N_secret_levels = 0;
Last_level = 3;
Last_secret_level = 0;
if (!allocate_levels())
{
Current_mission.reset();
return 0;
}
Level_names[0] = "d2leva-1.sl2";
Level_names[1] = "d2leva-2.sl2";
Level_names[2] = "d2leva-3.sl2";
}
return 1;
}
//
// Special versions of mission routines for Diamond/S3 version
//
static int load_mission_oem(void)
{
strcpy(Current_mission->mission_name, OEM_MISSION_NAME);
Current_mission->descent_version = 2;
Current_mission->anarchy_only_flag = 0;
N_secret_levels = 2;
Last_level = 8;
Last_secret_level = -2;
if (!allocate_levels())
{
Current_mission.reset();
return 0;
}
Level_names[0] = "d2leva-1.rl2";
Level_names[1] = "d2leva-2.rl2";
Level_names[2] = "d2leva-3.rl2";
Level_names[3] = "d2leva-4.rl2";
Secret_level_names[0] = "d2leva-s.rl2";
Level_names[4] = "d2levb-1.rl2";
Level_names[5] = "d2levb-2.rl2";
Level_names[6] = "d2levb-3.rl2";
Level_names[7] = "d2levb-4.rl2";
Secret_level_names[1] = "d2levb-s.rl2";
Secret_level_table[0] = 1;
Secret_level_table[1] = 5;
return 1;
}
#endif
//compare a string for a token. returns true if match
static int istok(const char *buf,const char *tok)
{
return d_strnicmp(buf,tok,strlen(tok)) == 0;
}
//adds a terminating 0 after a string at the first white space
static void add_term(char *s)
{
while (*s && !isspace(*s)) s++;
*s = 0; //terminate!
}
//returns ptr to string after '=' & white space, or NULL if no '='
//adds 0 after parm at first white space
static char *get_value(char *buf)
{
char *t = strchr(buf,'=');
if (t) {
while (isspace(static_cast<unsigned>(*++t)));
if (*t)
return t;
}
return NULL; //error!
}
//reads a line, returns ptr to value of passed parm. returns NULL if none
static char *get_parm_value(PHYSFSX_gets_line_t<80> &buf, const char *parm,PHYSFS_file *f)
{
if (!PHYSFSX_fgets(buf,f))
return NULL;
if (istok(buf,parm))
return get_value(buf);
else
return NULL;
}
static bool ml_sort_func(const mle &e0,const mle &e1)
{
return d_stricmp(e0.mission_name,e1.mission_name) < 0;
}
//returns 1 if file read ok, else 0
static int read_mission_file(mission_list &mission_list, const char *filename, enum mle_loc location)
{
char filename2[100];
snprintf(filename2, sizeof(filename2), "%s%s", location == ML_MISSIONDIR ? MISSION_DIR : "", filename);
PHYSFS_file *mfile;
mfile = PHYSFSX_openReadBuffered(filename2);
if (mfile) {
char *p;
char temp[PATH_MAX], *ext;
strcpy(temp,filename);
p = strrchr(temp, '/'); // get the filename at the end of the path
if (!p)
p = temp;
else p++;
if ((ext = strchr(p, '.')) == NULL)
return 0; //missing extension
mission_list.emplace_back();
mle *mission = &mission_list.back();
#if defined(DXX_BUILD_DESCENT_II)
// look if it's .mn2 or .msn
mission->descent_version = (ext[3] == '2') ? 2 : 1;
#endif
*ext = 0; //kill extension
mission->path = temp;
mission->anarchy_only_flag = 0;
mission->filename = next(begin(mission->path), p - temp);
mission->location = location;
PHYSFSX_gets_line_t<80> buf;
p = get_parm_value(buf, "name",mfile);
#if defined(DXX_BUILD_DESCENT_II)
if (!p) { //try enhanced mission
PHYSFSX_fseek(mfile,0,SEEK_SET);
p = get_parm_value(buf, "xname",mfile);
}
if (!p) { //try super-enhanced mission!
PHYSFSX_fseek(mfile,0,SEEK_SET);
p = get_parm_value(buf, "zname",mfile);
}
if (!p) { //try extensible-enhanced mission!
PHYSFSX_fseek(mfile,0,SEEK_SET);
p = get_parm_value(buf, "!name",mfile);
}
#endif
if (p) {
char *t;
if ((t=strchr(p,';'))!=NULL)
*t=0;
t = p + strlen(p)-1;
while (isspace(*t))
*t-- = 0; // remove trailing whitespace
if (strlen(p) > MISSION_NAME_LEN)
p[MISSION_NAME_LEN] = 0;
strncpy(mission->mission_name, p, MISSION_NAME_LEN + 1);
}
else {
PHYSFS_close(mfile);
mission_list.pop_back();
return 0;
}
{
PHYSFSX_gets_line_t<4096> temp;
if (PHYSFSX_fgets(temp,mfile))
{
if (istok(temp,"type"))
{
p = get_value(temp);
//get mission type
if (p)
mission->anarchy_only_flag = istok(p,"anarchy");
}
}
}
PHYSFS_close(mfile);
return 1;
}
return 0;
}
static void add_d1_builtin_mission_to_list(mission_list &mission_list)
{
int size;
size = PHYSFSX_fsize("descent.hog");
if (size == -1)
return;
mission_list.emplace_back();
mle *mission = &mission_list.back();
switch (size) {
case D1_SHAREWARE_MISSION_HOGSIZE:
case D1_SHAREWARE_10_MISSION_HOGSIZE:
case D1_MAC_SHARE_MISSION_HOGSIZE:
mission->path = D1_MISSION_FILENAME;
strcpy(mission->mission_name, D1_SHAREWARE_MISSION_NAME);
mission->anarchy_only_flag = 0;
break;
case D1_OEM_MISSION_HOGSIZE:
case D1_OEM_10_MISSION_HOGSIZE:
mission->path = D1_MISSION_FILENAME;
strcpy(mission->mission_name, D1_OEM_MISSION_NAME);
mission->anarchy_only_flag = 0;
break;
default:
Warning("Unknown D1 hogsize %d\n", size);
Int3();
// fall through
case D1_MISSION_HOGSIZE:
case D1_MISSION_HOGSIZE2:
case D1_10_MISSION_HOGSIZE:
case D1_MAC_MISSION_HOGSIZE:
mission->path = D1_MISSION_FILENAME;
strcpy(mission->mission_name, D1_MISSION_NAME);
mission->anarchy_only_flag = 0;
break;
}
mission->anarchy_only_flag = 0;
#if defined(DXX_BUILD_DESCENT_I)
mission->builtin_hogsize = size;
#elif defined(DXX_BUILD_DESCENT_II)
mission->descent_version = 1;
mission->builtin_hogsize = 0;
#endif
mission->filename = begin(mission->path);
}
#if defined(DXX_BUILD_DESCENT_II)
template <std::size_t N1, std::size_t N2>
static void set_hardcoded_mission(mission_list &mission_list, const char (&path)[N1], const char (&mission_name)[N2])
{
mission_list.emplace_back();
mle *mission = &mission_list.back();
mission->path = path;
mission->filename = begin(mission->path);
strcpy(mission->mission_name,mission_name);
mission->anarchy_only_flag = 0;
}
static void add_builtin_mission_to_list(mission_list &mission_list, d_fname &name)
{
int size = PHYSFSX_fsize("descent2.hog");
if (size == -1)
size = PHYSFSX_fsize("d2demo.hog");
switch (size) {
case SHAREWARE_MISSION_HOGSIZE:
case MAC_SHARE_MISSION_HOGSIZE:
set_hardcoded_mission(mission_list, SHAREWARE_MISSION_FILENAME, SHAREWARE_MISSION_NAME);
break;
case OEM_MISSION_HOGSIZE:
set_hardcoded_mission(mission_list, OEM_MISSION_FILENAME, OEM_MISSION_NAME);
break;
default:
Warning("Unknown hogsize %d, trying %s\n", size, FULL_MISSION_FILENAME ".mn2");
Int3(); //fall through
case FULL_MISSION_HOGSIZE:
case FULL_10_MISSION_HOGSIZE:
case MAC_FULL_MISSION_HOGSIZE:
if (!read_mission_file(mission_list, FULL_MISSION_FILENAME ".mn2", ML_CURDIR))
Error("Could not find required mission file <%s>", FULL_MISSION_FILENAME ".mn2");
}
mle *mission = &mission_list.back();
name.copy_if(mission->path.c_str(), FILENAME_LEN);
mission->builtin_hogsize = size;
mission->descent_version = 2;
mission->anarchy_only_flag = 0;
}
#endif
static void add_missions_to_list(mission_list &mission_list, char *path, char *rel_path, int anarchy_mode)
{
char **find, **i, *ext;
find = PHYSFS_enumerateFiles(path);
for (i = find; *i != NULL; i++)
{
if (strlen(path) + strlen(*i) + 1 >= PATH_MAX)
continue; // path is too long
strcat(rel_path, *i);
if (PHYSFS_isDirectory(path))
{
strcat(rel_path, "/");
add_missions_to_list(mission_list, path, rel_path, anarchy_mode);
*(strrchr(path, '/')) = 0;
}
else if ((ext = strrchr(*i, '.')) && (!d_strnicmp(ext, ".msn", 4) || !d_strnicmp(ext, ".mn2", 4)))
if (read_mission_file(mission_list, rel_path, ML_MISSIONDIR))
{
if (anarchy_mode || !mission_list.back().anarchy_only_flag)
{
mission_list.back().builtin_hogsize = 0;
}
else
mission_list.pop_back();
}
if (mission_list.size() >= MAX_MISSIONS)
{
break;
}
(strrchr(path, '/'))[1] = 0; // chop off the entry
}
PHYSFS_freeList(find);
}
/* move <mission_name> to <place> on mission list, increment <place> */
static void promote (mission_list &mission_list, const char * mission_name, std::size_t &top_place)
{
char name[FILENAME_LEN], * t;
strcpy(name, mission_name);
if ((t = strchr(name,'.')) != NULL)
*t = 0; //kill extension
range_for (auto &i, partial_range(mission_list, top_place, mission_list.size()))
if (!d_stricmp(&*i.filename, name)) {
//swap mission positions
std::swap(mission_list[top_place++], i);
break;
}
}
Mission::~Mission()
{
// May become more complex with the editor
if (!path.empty() && builtin_hogsize == 0)
{
char hogpath[PATH_MAX];
snprintf(hogpath, sizeof(hogpath), MISSION_DIR "%s.hog", path.c_str());
PHYSFSX_contfile_close(hogpath);
}
}
//fills in the global list of missions. Returns the number of missions
//in the list. If anarchy_mode is set, then also add anarchy-only missions.
static mission_list build_mission_list(int anarchy_mode)
{
char search_str[PATH_MAX] = MISSION_DIR;
//now search for levels on disk
//@@Took out this code because after this routine was called once for
//@@a list of single-player missions, a subsequent call for a list of
//@@anarchy missions would not scan again, and thus would not find the
//@@anarchy-only missions. If we retain the minimum level of install,
//@@we may want to put the code back in, having it always scan for all
//@@missions, and have the code that uses it sort out the ones it wants.
//@@ if (num_missions != -1) {
//@@ if (Current_mission_num != 0)
//@@ load_mission(0); //set built-in mission as default
//@@ return num_missions;
//@@ }
mission_list mission_list;
#if defined(DXX_BUILD_DESCENT_II)
d_fname builtin_mission_filename;
add_builtin_mission_to_list(mission_list, builtin_mission_filename); //read built-in first
#endif
add_d1_builtin_mission_to_list(mission_list);
add_missions_to_list(mission_list, search_str, search_str + strlen(search_str), anarchy_mode);
// move original missions (in story-chronological order)
// to top of mission list
std::size_t top_place = 0;
#if defined(DXX_BUILD_DESCENT_I)
promote(mission_list, "", top_place); // original descent 1 mission
#elif defined(DXX_BUILD_DESCENT_II)
promote(mission_list, "descent", top_place); // original descent 1 mission
promote(mission_list, builtin_mission_filename, top_place); // d2 or d2demo
promote(mission_list, "d2x", top_place); // vertigo
#endif
if (mission_list.size() > top_place)
std::sort(next(begin(mission_list), top_place), end(mission_list), ml_sort_func);
return mission_list;
}
#if defined(DXX_BUILD_DESCENT_II)
//values for built-in mission
int load_mission_ham()
{
read_hamfile();
if (Current_mission->enhanced == 3 && Current_mission->alternate_ham_file) {
/*
* If an alternate HAM is specified, map a HOG of the same name
* (if it exists) so that users can reference a HAM within a
* HOG. This is required to let users reference the D2X.HAM
* file provided by Descent II: Vertigo.
*
* Try both plain NAME and missions/NAME, in that order.
*/
auto &altham = Current_mission->alternate_ham_file;
unsigned l = strlen(*altham);
char althog[PATH_MAX];
snprintf(althog, sizeof(althog), MISSION_DIR "%.*s.hog", l - 4, static_cast<const char *>(*altham));
char *p = althog + sizeof(MISSION_DIR) - 1;
int exists = PHYSFSX_exists(p,1);
if (!exists) {
p = althog;
exists = PHYSFSX_exists(p,1);
}
if (exists)
PHYSFSX_contfile_init(p, 0);
bm_read_extra_robots(*Current_mission->alternate_ham_file, 2);
if (exists)
PHYSFSX_contfile_close(p);
return 1;
} else if (Current_mission->enhanced) {
char t[50];
snprintf(t,sizeof(t), "%s.ham", Current_mission_filename);
bm_read_extra_robots(t, Current_mission->enhanced);
return 1;
} else
return 0;
}
#endif
static void set_briefing_filename(d_fname &f, const char *const v)
{
using std::copy;
using std::next;
auto &tex = ".tex";
auto o = copy(v, std::find(v, next(v, f.size() - sizeof(tex)), '.'), begin(f));
copy(begin(tex), end(tex), o);
auto &txb = "txb";
if (!PHYSFSX_exists(static_cast<const char *>(f), 1) && !(copy(begin(txb), end(txb), next(o)), PHYSFSX_exists(static_cast<const char *>(f), 1))) // check if this file exists ...
f = {};
}
static void record_briefing(d_fname &f, char (&buf)[PATH_MAX])
{
char *const v = get_value(buf);
if (v && (add_term(v), *v))
set_briefing_filename(f, v);
else
f = {};
}
//loads the specfied mission from the mission list.
//build_mission_list() must have been called.
//Returns true if mission loaded ok, else false.
static int load_mission(const mle *mission)
{
PHYSFS_file *mfile;
char buf[PATH_MAX], *v;
Current_mission = make_unique<Mission>();
Current_mission->builtin_hogsize = mission->builtin_hogsize;
strcpy(Current_mission->mission_name, mission->mission_name);
#if defined(DXX_BUILD_DESCENT_II)
Current_mission->descent_version = mission->descent_version;
#endif
Current_mission->anarchy_only_flag = mission->anarchy_only_flag;
Current_mission->path = mission->path;
Current_mission->filename = next(begin(Current_mission->path), distance(begin(mission->path), mission->filename));
Current_mission->n_secret_levels = 0;
#if defined(DXX_BUILD_DESCENT_II)
Current_mission->enhanced = 0;
Current_mission->alternate_ham_file = NULL;
#endif
//init vars
Last_level = 0;
Last_secret_level = 0;
Briefing_text_filename = {};
Ending_text_filename = {};
Secret_level_table.reset();
Level_names.reset();
Secret_level_names.reset();
// for Descent 1 missions, load descent.hog
#if defined(DXX_BUILD_DESCENT_II)
if (EMULATING_D1)
#endif
{
if (!PHYSFSX_contfile_init("descent.hog", 1))
#if defined(DXX_BUILD_DESCENT_I)
Error("descent.hog not available!\n");
#elif defined(DXX_BUILD_DESCENT_II)
Warning("descent.hog not available, this mission may be missing some files required for briefings and exit sequence\n");
#endif
if (!d_stricmp(Current_mission_filename, D1_MISSION_FILENAME))
return load_mission_d1();
}
#if defined(DXX_BUILD_DESCENT_II)
if (PLAYING_BUILTIN_MISSION) {
switch (Current_mission->builtin_hogsize) {
case SHAREWARE_MISSION_HOGSIZE:
case MAC_SHARE_MISSION_HOGSIZE:
Briefing_text_filename = BIMD2_BRIEFING_FILE_SHARE;
Ending_text_filename = BIMD2_ENDING_FILE_SHARE;
return load_mission_shareware();
case OEM_MISSION_HOGSIZE:
Briefing_text_filename = BIMD2_BRIEFING_FILE_OEM;
Ending_text_filename = BIMD2_ENDING_FILE_OEM;
return load_mission_oem();
default:
Int3(); // fall through
case FULL_MISSION_HOGSIZE:
case FULL_10_MISSION_HOGSIZE:
case MAC_FULL_MISSION_HOGSIZE:
Briefing_text_filename = BIMD2_BRIEFING_FILE;
// continue on... (use d2.mn2 from hogfile)
break;
}
}
#endif
//read mission from file
auto &msn_extension =
#if defined(DXX_BUILD_DESCENT_II)
(mission->descent_version == 2) ? ".mn2" :
#endif
".msn";
snprintf(buf, sizeof(buf), "%s%s%s", mission->location == ML_MISSIONDIR ? MISSION_DIR : "", mission->path.c_str(), msn_extension);
PHYSFSEXT_locateCorrectCase(buf);
mfile = PHYSFSX_openReadBuffered(buf);
if (mfile == NULL) {
Current_mission.reset();
return 0; //error!
}
//for non-builtin missions, load HOG
#if defined(DXX_BUILD_DESCENT_II)
if (!PLAYING_BUILTIN_MISSION)
#endif
{
strcpy(buf+strlen(buf)-4,".hog"); //change extension
PHYSFSEXT_locateCorrectCase(buf);
if (PHYSFSX_exists(buf,1))
PHYSFSX_contfile_init(buf, 0);
set_briefing_filename(Briefing_text_filename, Current_mission_filename);
Ending_text_filename = Briefing_text_filename;
}
for (PHYSFSX_gets_line_t<4096> buf; PHYSFSX_fgets(buf,mfile);)
{
#if defined(DXX_BUILD_DESCENT_II)
if (istok(buf,"name") && !Current_mission->enhanced) {
Current_mission->enhanced = 0;
continue; //already have name, go to next line
}
if (istok(buf,"xname") && !Current_mission->enhanced) {
Current_mission->enhanced = 1;
continue; //already have name, go to next line
}
if (istok(buf,"zname") && !Current_mission->enhanced) {
Current_mission->enhanced = 2;
continue; //already have name, go to next line
}
if (istok(buf,"!name") && !Current_mission->enhanced) {
Current_mission->enhanced = 3;
continue; //already have name, go to next line
}
#endif
if (istok(buf,"type"))
continue; //already have name, go to next line
else if (istok(buf,"briefing")) {
record_briefing(Briefing_text_filename, buf);
}
else if (istok(buf,"ending")) {
record_briefing(Ending_text_filename, buf);
}
else if (istok(buf,"num_levels")) {
if ((v=get_value(buf))!=NULL) {
int n_levels,i;
n_levels = atoi(v);
Assert(n_levels <= MAX_LEVELS_PER_MISSION);
n_levels = min(n_levels, MAX_LEVELS_PER_MISSION);
Level_names = make_unique<d_fname[]>(n_levels);
for (i=0;i<n_levels;i++) {
PHYSFSX_fgets(buf,mfile);
add_term(buf);
if (Level_names[i].copy_if(buf.line())) {
Last_level++;
}
else
break;
}
}
}
else if (istok(buf,"num_secrets")) {
if ((v=get_value(buf))!=NULL) {
int i;
N_secret_levels = atoi(v);
Assert(N_secret_levels <= MAX_SECRET_LEVELS_PER_MISSION);
N_secret_levels = min(N_secret_levels, MAX_SECRET_LEVELS_PER_MISSION);
Secret_level_names = make_unique<d_fname[]>(N_secret_levels);
Secret_level_table = make_unique<ubyte[]>(N_secret_levels);
for (i=0;i<N_secret_levels;i++) {
char *t;
PHYSFSX_fgets(buf,mfile);
if ((t=strchr(buf,','))!=NULL) *t++=0;
else
break;
add_term(buf);
if (Secret_level_names[i].copy_if(buf.line())) {
Secret_level_table[i] = atoi(t);
if (Secret_level_table[i]<1 || Secret_level_table[i]>Last_level)
break;
Last_secret_level--;
}
else
break;
}
}
}
#if defined(DXX_BUILD_DESCENT_II)
else if (Current_mission->enhanced == 3 && buf[0] == '!') {
if (istok(buf+1,"ham")) {
Current_mission->alternate_ham_file = make_unique<d_fname>();
if ((v=get_value(buf))!=NULL) {
unsigned l = strlen(v);
if (l <= 4)
con_printf(CON_URGENT, "Mission %s has short HAM \"%s\".", Current_mission->path.c_str(), v);
else if (l >= sizeof(*Current_mission->alternate_ham_file))
con_printf(CON_URGENT, "Mission %s has excessive HAM \"%s\".", Current_mission->path.c_str(), v);
else {
Current_mission->alternate_ham_file->copy_if(v, l + 1);
con_printf(CON_VERBOSE, "Mission %s will use HAM %s.", Current_mission->path.c_str(), static_cast<const char *>(*Current_mission->alternate_ham_file));
}
}
else
con_printf(CON_URGENT, "Mission %s has no HAM.", Current_mission->path.c_str());
}
else {
con_printf(CON_URGENT, "Mission %s uses unsupported critical directive \"%s\".", Current_mission->path.c_str(), buf.line());
Last_level = 0;
break;
}
}
#endif
}
PHYSFS_close(mfile);
if (Last_level <= 0) {
Current_mission.reset(); //no valid mission loaded
return 0;
}
#if defined(DXX_BUILD_DESCENT_II)
// re-read default HAM file, in case this mission brings it's own version of it
free_polygon_models();
if (load_mission_ham())
init_extra_robot_movie(Current_mission_filename);
#endif
return 1;
}
//loads the named mission if exists.
//Returns true if mission loaded ok, else false.
int load_mission_by_name(const char *mission_name)
{
auto mission_list = build_mission_list(1);
bool found = 0;
range_for (auto &i, mission_list)
if (!d_stricmp(mission_name, &*i.filename))
{
found = load_mission(&i);
break;
}
return found;
}
struct mission_menu
{
mission_list ml;
int (*when_selected)(void);
};
static int mission_menu_handler(listbox *lb, d_event *event, mission_menu *mm)
{
const char **list = listbox_get_items(lb);
int citem = listbox_get_citem(lb);
switch (event->type)
{
case EVENT_NEWMENU_SELECTED:
if (citem >= 0)
{
// Chose a mission
strcpy(GameCfg.LastMission, list[citem]);
if (!load_mission(&mm->ml[citem]))
{
nm_messagebox( NULL, 1, TXT_OK, TXT_MISSION_ERROR);
return 1; // stay in listbox so user can select another one
}
}
return !(*mm->when_selected)();
break;
case EVENT_WINDOW_CLOSE:
d_free(list);
delete mm;
break;
default:
break;
}
return 0;
}
int select_mission(int anarchy_mode, const char *message, int (*when_selected)(void))
{
auto mission_list = build_mission_list(anarchy_mode);
int new_mission_num;
if (mission_list.size() <= 1)
{
new_mission_num = !mission_list.empty() && load_mission(&mission_list.front()) ? 0 : -1;
(*when_selected)();
return (new_mission_num >= 0);
}
else
{
int i, default_mission;
const char **m;
MALLOC(m, const char *, mission_list.size());
if (!m)
{
return 0;
}
auto mm = make_unique<mission_menu>();
mm->when_selected = when_selected;
default_mission = 0;
for (i = 0; i < mission_list.size(); i++) {
m[i] = mission_list[i].mission_name;
if ( !d_stricmp( m[i], GameCfg.LastMission ) )
default_mission = i;
}
mm->ml = move(mission_list);
mission_menu *pmm = mm.release();
newmenu_listbox1( message, pmm->ml.size(), m, 1, default_mission, mission_menu_handler, pmm);
}
return 1; // presume success
}
#ifdef EDITOR
void create_new_mission(void)
{
Current_mission.reset(new Mission{});
Current_mission->path = "new_mission";
Current_mission->filename = begin(Current_mission->path);
Level_names = make_unique<d_fname[]>(1);
if (!Level_names)
{
Current_mission.reset();
return;
}
Level_names[0] = "GAMESAVE.LVL";
}
#endif
Reference in a new issue View git blame Copy permalink