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dxx-rebirth/similar/main/mission.cpp

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/*
* 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 "window.h"
#include "mission.h"
#include "gameseq.h"
#include "gamesave.h"
#include "titles.h"
#include "piggy.h"
#include "console.h"
#include "songs.h"
#include "polyobj.h"
#include "dxxerror.h"
#include "config.h"
#include "newmenu.h"
#include "text.h"
#include "u_mem.h"
#include "ignorecase.h"
#include "physfsx.h"
#include "physfs_list.h"
#include "bm.h"
#include "event.h"
#if defined(DXX_BUILD_DESCENT_II)
#include "movie.h"
#endif
#include "null_sentinel_iterator.h"
#include "compiler-make_unique.h"
#include "compiler-range_for.h"
#include "partial_range.h"
#define BIMD1_BRIEFING_FILE "briefing.txb"
using std::min;
#define MISSION_EXTENSION_DESCENT_I ".msn"
#if defined(DXX_BUILD_DESCENT_II)
#define MISSION_EXTENSION_DESCENT_II ".mn2"
#endif
namespace {
using mission_candidate_search_path = array<char, PATH_MAX>;
//mission list entry
struct mle : Mission_path
{
int builtin_hogsize; // if it's the built-in mission, used for determining the version
ntstring<MISSION_NAME_LEN> mission_name;
#if defined(DXX_BUILD_DESCENT_II)
descent_version_type descent_version; // descent 1 or descent 2?
#endif
ubyte anarchy_only_flag; // if true, mission is anarchy only
};
using mission_list_type = std::vector<mle>;
}
Mission_ptr Current_mission; // currently loaded mission
static bool null_or_space(char c)
{
return !c || isspace(static_cast<unsigned>(c));
}
// 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)
{
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 (int 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 (int 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 (int 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 (int 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 = "briefsat.txb";
Ending_text_filename = BIMD1_ENDING_FILE_OEM;
break;
default:
Int3(); // fall through
case D1_MISSION_HOGSIZE:
case D1_MISSION_HOGSIZE2:
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 (int i=0;i<Last_level;i++)
snprintf(&Level_names[i][0u], Level_names[i].size(), "level%02d.rdl", i+1);
for (int 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 = "endreg.txb";
break;
}
return 1;
}
#if defined(DXX_BUILD_DESCENT_II)
//
// Special versions of mission routines for shareware
//
static int load_mission_shareware(void)
{
Current_mission->mission_name.copy_if(SHAREWARE_MISSION_NAME);
Current_mission->descent_version = Mission::descent_version_type::descent2;
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)
{
Current_mission->mission_name.copy_if(OEM_MISSION_NAME);
Current_mission->descent_version = Mission::descent_version_type::descent2;
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;
}
//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
namespace dsx {
static int read_mission_file(mission_list_type &mission_list, mission_candidate_search_path &pathname)
{
if (auto mfile = PHYSFSX_openReadBuffered(pathname.data()))
{
char *p;
char *ext;
p = strrchr(pathname.data(), '/');
if (!p)
p = pathname.data();
if ((ext = strchr(p, '.')) == NULL)
return 0; //missing extension
mission_list.emplace_back();
mle *mission = &mission_list.back();
mission->path.assign(pathname.data(), ext);
#if defined(DXX_BUILD_DESCENT_II)
// look if it's .mn2 or .msn
mission->descent_version = (ext[3] == MISSION_EXTENSION_DESCENT_II[3])
? Mission::descent_version_type::descent2
: Mission::descent_version_type::descent1;
#endif
mission->anarchy_only_flag = 0;
mission->filename = next(begin(mission->path), mission->path.find_last_of('/') + 1);
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
mission->mission_name.copy_if(p, mission->mission_name.size() - 1);
}
else {
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");
}
}
}
return 1;
}
return 0;
}
}
namespace dsx {
static void add_d1_builtin_mission_to_list(mission_list_type &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;
mission->mission_name.copy_if(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;
mission->mission_name.copy_if(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;
mission->mission_name.copy_if(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 = Mission::descent_version_type::descent1;
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_type &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);
mission->mission_name.copy_if(mission_name);
mission->anarchy_only_flag = 0;
}
static void add_builtin_mission_to_list(mission_list_type &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 MISSION_EXTENSION_DESCENT_II);
Int3(); //fall through
case FULL_MISSION_HOGSIZE:
case FULL_10_MISSION_HOGSIZE:
case MAC_FULL_MISSION_HOGSIZE:
{
mission_candidate_search_path full_mission_filename = {{FULL_MISSION_FILENAME MISSION_EXTENSION_DESCENT_II}};
if (!read_mission_file(mission_list, full_mission_filename))
Error("Could not find required mission file <%s>", FULL_MISSION_FILENAME MISSION_EXTENSION_DESCENT_II);
}
}
mle *mission = &mission_list.back();
name.copy_if(mission->path.c_str(), FILENAME_LEN);
mission->builtin_hogsize = size;
mission->descent_version = Mission::descent_version_type::descent2;
mission->anarchy_only_flag = 0;
}
#endif
namespace dsx {
static void add_missions_to_list(mission_list_type &mission_list, mission_candidate_search_path &path, const mission_candidate_search_path::iterator rel_path, int anarchy_mode)
{
/* rel_path must point within the array `path`.
* rel_path must point to the null that follows a possibly empty
* directory prefix.
* If the directory prefix is not empty, it must end with a PHYSFS
* path separator, which is always slash, even on Windows.
*
* If any of these assertions fail, then the path transforms used to
* recurse into subdirectories and to open individual missions will
* not work correctly.
*/
assert(std::distance(path.begin(), rel_path) < path.size());
assert(!*rel_path);
assert(path.begin() == rel_path || *std::prev(rel_path) == '/');
const std::size_t space_remaining = std::distance(rel_path, path.end());
range_for (const auto i, PHYSFSX_uncounted_list{PHYSFS_enumerateFiles(path.data())})
{
/* Add 1 to include the terminating null. */
const std::size_t il = strlen(i) + 1;
/* Add 1 for the slash in case it is a directory. */
if (il + 1 >= space_remaining)
continue; // path is too long
auto j = std::copy_n(i, il, rel_path);
const char *ext;
if (PHYSFS_isDirectory(path.data()))
{
auto null = std::prev(j);
*j = 0;
*null = '/';
add_missions_to_list(mission_list, path, j, anarchy_mode);
*null = 0;
}
else if (il > 5 &&
((ext = &i[il - 5], !d_strnicmp(ext, MISSION_EXTENSION_DESCENT_I))
#if defined(DXX_BUILD_DESCENT_II)
|| !d_strnicmp(ext, MISSION_EXTENSION_DESCENT_II)
#endif
))
if (read_mission_file(mission_list, path))
{
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;
}
*rel_path = 0; // chop off the entry
}
}
}
/* move <mission_name> to <place> on mission list, increment <place> */
static void promote (mission_list_type &mission_list, const char *const name, std::size_t &top_place)
{
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), "%s.hog", path.c_str());
PHYSFSX_removeRelFromSearchPath(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.
namespace dsx {
static mission_list_type build_mission_list(int anarchy_mode)
{
//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_type 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);
mission_candidate_search_path search_str = {{MISSION_DIR}};
add_missions_to_list(mission_list, search_str, search_str.begin() + sizeof(MISSION_DIR) - 1, anarchy_mode);
// move original missions (in story-chronological order)
// to top of mission list
std::size_t top_place = 0;
promote(mission_list, D1_MISSION_FILENAME, top_place); // original descent 1 mission
#if defined(DXX_BUILD_DESCENT_II)
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->descent_version == Mission::descent_version_type::descent2a &&
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_contfile_init(p, 0);
if (!exists) {
exists = PHYSFSX_contfile_init(p = althog, 0);
}
bm_read_extra_robots(*altham, Mission::descent_version_type::descent2z);
if (exists)
PHYSFSX_contfile_close(p);
return 1;
}
else if (Current_mission->descent_version == Mission::descent_version_type::descent2a ||
Current_mission->descent_version == Mission::descent_version_type::descent2z ||
Current_mission->descent_version == Mission::descent_version_type::descent2x)
{
char t[50];
snprintf(t,sizeof(t), "%s.ham", Current_mission_filename);
bm_read_extra_robots(t, Current_mission->descent_version);
return 1;
} else
return 0;
}
#endif
#define tex ".tex"
static void set_briefing_filename(d_fname &f, const char *const v, std::size_t d)
{
f.copy_if(v, d);
f.copy_if(d, tex);
if (!PHYSFSX_exists(static_cast<const char *>(f), 1) && !(f.copy_if(++d, "txb"), PHYSFSX_exists(static_cast<const char *>(f), 1))) // check if this file exists ...
f = {};
}
static void set_briefing_filename(d_fname &f, const char *const v)
{
using std::next;
auto a = [](char c) {
return !c || c == '.';
};
auto i = std::find_if(v, next(v, f.size() - sizeof(tex)), a);
std::size_t d = std::distance(v, i);
set_briefing_filename(f, v, d);
}
static void record_briefing(d_fname &f, array<char, PATH_MAX> &buf)
{
const auto v = get_value(buf.data());
std::size_t d;
if (v && (d = std::distance(v, std::find_if(v, buf.end(), null_or_space))))
set_briefing_filename(f, v, std::min(d, f.size() - sizeof(tex)));
else
f = {};
}
#undef tex
//loads the specfied mission from the mission list.
//build_mission_list() must have been called.
//Returns true if mission loaded ok, else false.
namespace dsx {
static int load_mission(const mle *mission)
{
char *v;
#if defined(DXX_BUILD_DESCENT_II)
close_extra_robot_movie();
#endif
Current_mission = make_unique<Mission>();
Current_mission->builtin_hogsize = mission->builtin_hogsize;
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;
*static_cast<Mission_path *>(Current_mission.get()) = *mission;
Current_mission->n_secret_levels = 0;
#if defined(DXX_BUILD_DESCENT_II)
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", 0))
#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)
else
PHYSFSX_contfile_close("descent.hog");
#endif
#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 = "brief2.txb";
Ending_text_filename = BIMD2_ENDING_FILE_SHARE;
return load_mission_shareware();
case OEM_MISSION_HOGSIZE:
Briefing_text_filename = "brief2o.txb";
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 = "robot.txb";
// 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 == Mission::descent_version_type::descent2) ? MISSION_EXTENSION_DESCENT_II :
#endif
MISSION_EXTENSION_DESCENT_I;
array<char, PATH_MAX> mission_filename;
snprintf(mission_filename.data(), mission_filename.size(), "%s%s", mission->path.c_str(), msn_extension);
PHYSFSEXT_locateCorrectCase(mission_filename.data());
auto &&mfile = PHYSFSX_openReadBuffered(mission_filename.data());
if (!mfile) {
Current_mission.reset();
return 0; //error!
}
//for non-builtin missions, load HOG
#if defined(DXX_BUILD_DESCENT_II)
bool have_mn2_version = false;
if (!PLAYING_BUILTIN_MISSION)
#endif
{
strcpy(mission_filename.data() + strlen(mission_filename.data()) - 3, "hog"); //change extension
PHYSFSX_contfile_init(mission_filename.data(), 0);
set_briefing_filename(Briefing_text_filename, Current_mission_filename);
Ending_text_filename = Briefing_text_filename;
}
for (PHYSFSX_gets_line_t<PATH_MAX> buf; PHYSFSX_fgets(buf,mfile);)
{
#if defined(DXX_BUILD_DESCENT_II)
if (!have_mn2_version)
{
if (istok(buf,"name"))
{
Current_mission->descent_version = Mission::descent_version_type::descent2;
have_mn2_version = true;
continue; //already have name, go to next line
}
if (istok(buf,"xname"))
{
Current_mission->descent_version = Mission::descent_version_type::descent2x;
have_mn2_version = true;
continue; //already have name, go to next line
}
if (istok(buf,"zname"))
{
Current_mission->descent_version = Mission::descent_version_type::descent2z;
have_mn2_version = true;
continue; //already have name, go to next line
}
if (istok(buf,"!name"))
{
Current_mission->descent_version = Mission::descent_version_type::descent2a;
have_mn2_version = true;
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) {
char *ip;
const auto n_levels = strtoul(v, &ip, 10);
Assert(n_levels <= MAX_LEVELS_PER_MISSION);
if (n_levels > MAX_LEVELS_PER_MISSION)
continue;
if (*ip)
{
while (isspace(static_cast<unsigned>(*ip)))
++ip;
if (*ip && *ip != ';')
continue;
}
Level_names = make_unique<d_fname[]>(n_levels);
range_for (auto &i, unchecked_partial_range(Level_names.get(), n_levels))
{
if (!PHYSFSX_fgets(buf, mfile))
break;
auto &line = buf.line();
auto s = std::find_if(line.begin(), line.end(), null_or_space);
if (i.copy_if(buf.line(), std::distance(line.begin(), s)))
{
Last_level++;
}
else
break;
}
}
}
else if (istok(buf,"num_secrets")) {
if ((v=get_value(buf))!=NULL) {
char *ip;
const auto n_levels = strtoul(v, &ip, 10);
Assert(n_levels <= MAX_SECRET_LEVELS_PER_MISSION);
if (n_levels > MAX_SECRET_LEVELS_PER_MISSION)
continue;
if (*ip)
{
while (isspace(static_cast<unsigned>(*ip)))
++ip;
if (*ip && *ip != ';')
continue;
}
N_secret_levels = n_levels;
Secret_level_names = make_unique<d_fname[]>(n_levels);
Secret_level_table = make_unique<uint8_t[]>(n_levels);
for (int i=0;i<N_secret_levels;i++) {
if (!PHYSFSX_fgets(buf, mfile))
break;
const auto &line = buf.line();
const auto lb = line.begin();
/* No auto: returned value must be type const char*
* Modern glibc maintains const-ness of the input.
* Apple libc++ and mingw32 do not.
*/
const char *const t = strchr(lb, ',');
if (!t)
break;
auto a = [](char c) {
return isspace(static_cast<unsigned>(c));
};
auto s = std::find_if(lb, t, a);
if (Secret_level_names[i].copy_if(line, std::distance(lb, s)))
{
unsigned long ls = strtoul(t + 1, &ip, 10);
if (ls < 1 || ls > Last_level)
break;
Secret_level_table[i] = ls;
Last_secret_level--;
}
else
break;
}
}
}
#if defined(DXX_BUILD_DESCENT_II)
else if (Current_mission->descent_version == Mission::descent_version_type::descent2a && 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(), static_cast<const char *>(buf));
Last_level = 0;
break;
}
}
#endif
}
mfile.reset();
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_type ml;
window_event_result (*when_selected)(void);
};
static window_event_result mission_menu_handler(listbox *lb,const d_event &event, mission_menu *mm)
{
const char **list = listbox_get_items(lb);
switch (event.type)
{
case EVENT_NEWMENU_SELECTED:
{
auto &citem = static_cast<const d_select_event &>(event).citem;
if (citem >= 0)
{
// Chose a mission
CGameCfg.LastMission.copy_if(list[citem]);
if (!load_mission(&mm->ml[citem]))
{
nm_messagebox( NULL, 1, TXT_OK, TXT_MISSION_ERROR);
return window_event_result::handled; // stay in listbox so user can select another one
}
}
return (*mm->when_selected)();
}
case EVENT_WINDOW_CLOSE:
d_free(list);
std::default_delete<mission_menu>()(mm);
break;
default:
break;
}
return window_event_result::ignored;
}
int select_mission(int anarchy_mode, const char *message, window_event_result (*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 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 (uint_fast32_t i = 0; i < mission_list.size(); i++) {
m[i] = mission_list[i].mission_name;
if (!d_stricmp(m[i], CGameCfg.LastMission))
default_mission = i;
}
mm->ml = move(mission_list);
auto pmm = mm.get();
newmenu_listbox1( message, pmm->ml.size(), m, 1, default_mission, mission_menu_handler, std::move(mm));
}
return 1; // presume success
}
#if DXX_USE_EDITOR
static int write_mission(void)
{
auto &msn_extension =
#if defined(DXX_BUILD_DESCENT_II)
(Current_mission->descent_version != Mission::descent_version_type::descent1) ? MISSION_EXTENSION_DESCENT_II :
#endif
MISSION_EXTENSION_DESCENT_I;
array<char, PATH_MAX> mission_filename;
snprintf(mission_filename.data(), mission_filename.size(), "%s%s", Current_mission->path.c_str(), msn_extension);
auto &&mfile = PHYSFSX_openWriteBuffered(mission_filename.data());
if (!mfile)
{
PHYSFS_mkdir(MISSION_DIR); //try making directory - in *write* path
mfile = PHYSFSX_openWriteBuffered(mission_filename.data());
if (!mfile)
return 0;
}
const char *prefix = "";
#if defined(DXX_BUILD_DESCENT_II)
switch (Current_mission->descent_version)
{
case Mission::descent_version_type::descent2x:
prefix = "x";
break;
case Mission::descent_version_type::descent2z:
prefix = "z";
break;
case Mission::descent_version_type::descent2a:
prefix = "!";
break;
default:
break;
}
#endif
PHYSFSX_printf(mfile, "%sname = %s\n", prefix, static_cast<const char *>(Current_mission->mission_name));
PHYSFSX_printf(mfile, "type = %s\n", Current_mission->anarchy_only_flag ? "anarchy" : "normal");
if (Briefing_text_filename[0])
PHYSFSX_printf(mfile, "briefing = %s\n", static_cast<const char *>(Briefing_text_filename));
if (Ending_text_filename[0])
PHYSFSX_printf(mfile, "ending = %s\n", static_cast<const char *>(Ending_text_filename));
PHYSFSX_printf(mfile, "num_levels = %i\n", Last_level);
range_for (auto &i, unchecked_partial_range(Level_names.get(), Last_level))
PHYSFSX_printf(mfile, "%s\n", static_cast<const char *>(i));
if (N_secret_levels)
{
PHYSFSX_printf(mfile, "num_secrets = %i\n", N_secret_levels);
for (int i = 0; i < N_secret_levels; i++)
PHYSFSX_printf(mfile, "%s,%i\n", static_cast<const char *>(Secret_level_names[i]), Secret_level_table[i]);
}
#if defined(DXX_BUILD_DESCENT_II)
if (Current_mission->alternate_ham_file)
PHYSFSX_printf(mfile, "ham = %s\n", static_cast<const char *>(*Current_mission->alternate_ham_file.get()));
#endif
return 1;
}
void create_new_mission(void)
{
Current_mission = make_unique<Mission>();
*Current_mission = {};
Current_mission->mission_name.copy_if("Untitled");
Current_mission->path = MISSION_DIR "new_miss"; // limited to eight characters because of savegame format
Current_mission->filename = next(begin(Current_mission->path), sizeof(MISSION_DIR) - 1);
Current_mission->builtin_hogsize = 0;
Current_mission->anarchy_only_flag = 0;
Level_names = make_unique<d_fname[]>(1);
if (!Level_names)
{
Current_mission.reset();
return;
}
Level_names[0] = "GAMESAVE.LVL";
Last_level = 1;
N_secret_levels = 0;
Last_secret_level = 0;
Briefing_text_filename = {};
Ending_text_filename = {};
Secret_level_table.reset();
Secret_level_names.reset();
#if defined(DXX_BUILD_DESCENT_II)
if (Gamesave_current_version > 3)
Current_mission->descent_version = Mission::descent_version_type::descent2; // custom ham not supported in editor (yet)
else
Current_mission->descent_version = Mission::descent_version_type::descent1;
Current_mission->alternate_ham_file = nullptr;
#endif
write_mission();
}
#endif
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