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dxx-rebirth/similar/main/gamesave.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.
*/
/*
*
* Save game information
*
*/
#include <stdexcept>
#include <stdio.h>
#include <string.h>
#include "pstypes.h"
#include "strutil.h"
#include "console.h"
#include "gr.h"
#include "palette.h"
#include "newmenu.h"
#include "inferno.h"
#if DXX_USE_EDITOR
#include "editor/editor.h"
#include "editor/esegment.h"
#include "editor/eswitch.h"
#endif
#include "dxxerror.h"
#include "object.h"
#include "game.h"
#include "gameseg.h"
#include "wall.h"
#include "gamemine.h"
#include "robot.h"
#include "bm.h"
#include "fireball.h"
#include "switch.h"
#include "fuelcen.h"
#include "cntrlcen.h"
#include "powerup.h"
#include "weapon.h"
#include "player.h"
#include "newdemo.h"
#include "gameseq.h"
#include "polyobj.h"
#include "text.h"
#include "gamefont.h"
#include "gamesave.h"
#include "gamepal.h"
#include "physics.h"
#include "laser.h"
#include "multi.h"
#include "makesig.h"
#include "textures.h"
#include "d_enumerate.h"
#include "d_range.h"
#include "vclip.h"
#include "compiler-range_for.h"
#include "d_levelstate.h"
#include "d_underlying_value.h"
#include "d_zip.h"
#include "partial_range.h"
#if defined(DXX_BUILD_DESCENT_I)
#if DXX_USE_EDITOR
const char Shareware_level_names[NUM_SHAREWARE_LEVELS][12] = {
"level01.rdl",
"level02.rdl",
"level03.rdl",
"level04.rdl",
"level05.rdl",
"level06.rdl",
"level07.rdl"
};
const char Registered_level_names[NUM_REGISTERED_LEVELS][12] = {
"level08.rdl",
"level09.rdl",
"level10.rdl",
"level11.rdl",
"level12.rdl",
"level13.rdl",
"level14.rdl",
"level15.rdl",
"level16.rdl",
"level17.rdl",
"level18.rdl",
"level19.rdl",
"level20.rdl",
"level21.rdl",
"level22.rdl",
"level23.rdl",
"level24.rdl",
"level25.rdl",
"level26.rdl",
"level27.rdl",
"levels1.rdl",
"levels2.rdl",
"levels3.rdl"
};
#endif
#endif
char Gamesave_current_filename[PATH_MAX];
int Gamesave_current_version;
#if defined(DXX_BUILD_DESCENT_I)
#define GAME_VERSION 25
#elif defined(DXX_BUILD_DESCENT_II)
#define GAME_VERSION 32
#endif
#define GAME_COMPATIBLE_VERSION 22
//version 28->29 add delta light support
//version 27->28 controlcen id now is reactor number, not model number
//version 28->29 ??
//version 29->30 changed trigger structure
//version 30->31 changed trigger structure some more
//version 31->32 change segment structure, make it 512 bytes w/o editor, add Segment2s array.
#define MENU_CURSOR_X_MIN MENU_X
#define MENU_CURSOR_X_MAX MENU_X+6
int Gamesave_num_org_robots = 0;
//--unused-- grs_bitmap * Gamesave_saved_bitmap = NULL;
#if DXX_USE_EDITOR
namespace {
// Return true if this level has a name of the form "level??"
// Note that a pathspec can appear at the beginning of the filename.
static int is_real_level(const char *filename)
{
int len = strlen(filename);
if (len < 6)
return 0;
return !d_strnicmp(&filename[len-11], "level");
}
}
#endif
//--unused-- vms_angvec zero_angles={0,0,0};
int Gamesave_num_players=0;
namespace dsx {
#if defined(DXX_BUILD_DESCENT_I)
namespace {
using savegame_pof_names_type = std::array<char[FILENAME_LEN], 167>;
static int convert_vclip(const d_vclip_array &Vclip, int vc)
{
if (vc < 0)
return vc;
if (vc < Vclip.size() && (Vclip[vc].num_frames != ~0u))
return vc;
return 0;
}
static int convert_wclip(int wc) {
return (wc < Num_wall_anims) ? wc : wc % Num_wall_anims;
}
}
int convert_tmap(int tmap)
{
if (tmap == -1)
return tmap;
return (tmap >= NumTextures) ? tmap % NumTextures : tmap;
}
namespace {
static unsigned convert_polymod(const unsigned N_polygon_models, const unsigned polymod)
{
return (polymod >= N_polygon_models) ? polymod % N_polygon_models : polymod;
}
}
#elif defined(DXX_BUILD_DESCENT_II)
namespace {
using savegame_pof_names_type = std::array<char[FILENAME_LEN], MAX_POLYGON_MODELS>;
}
#endif
namespace {
static void verify_object(const d_level_shared_robot_info_state &LevelSharedRobotInfoState, const d_vclip_array &Vclip, object &obj, const savegame_pof_names_type &Save_pof_names)
{
auto &Robot_info = LevelSharedRobotInfoState.Robot_info;
obj.lifeleft = IMMORTAL_TIME; //all loaded object are immortal, for now
auto &Polygon_models = LevelSharedPolygonModelState.Polygon_models;
if (obj.type == OBJ_ROBOT)
{
Gamesave_num_org_robots++;
// Make sure valid id...
const auto N_robot_types = LevelSharedRobotInfoState.N_robot_types;
if (get_robot_id(obj) >= N_robot_types )
set_robot_id(obj, get_robot_id(obj) % N_robot_types);
// Make sure model number & size are correct...
if (obj.render_type == RT_POLYOBJ)
{
auto &ri = Robot_info[get_robot_id(obj)];
#if defined(DXX_BUILD_DESCENT_II)
assert(ri.model_num != -1);
//if you fail this assert, it means that a robot in this level
//hasn't been loaded, possibly because he's marked as
//non-shareware. To see what robot number, print obj.id.
assert(ri.always_0xabcd == 0xabcd);
//if you fail this assert, it means that the robot_ai for
//a robot in this level hasn't been loaded, possibly because
//it's marked as non-shareware. To see what robot number,
//print obj.id.
#endif
obj.rtype.pobj_info.model_num = ri.model_num;
obj.size = Polygon_models[obj.rtype.pobj_info.model_num].rad;
//@@Took out this ugly hack 1/12/96, because Mike has added code
//@@that should fix it in a better way.
//@@//this is a super-ugly hack. Since the baby stripe robots have
//@@//their firing point on their bounding sphere, the firing points
//@@//can poke through a wall if the robots are very close to it. So
//@@//we make their radii bigger so the guns can't get too close to
//@@//the walls
//@@if (Robot_info[obj.id].flags & RIF_BIG_RADIUS)
//@@ obj.size = (obj.size*3)/2;
//@@if (obj.control_source==CT_AI && Robot_info[obj.id].attack_type)
//@@ obj.size = obj.size*3/4;
}
#if defined(DXX_BUILD_DESCENT_II)
if (get_robot_id(obj) == 65) //special "reactor" robots
obj.movement_source = object::movement_type::None;
#endif
if (obj.movement_source == object::movement_type::physics)
{
auto &ri = Robot_info[get_robot_id(obj)];
obj.mtype.phys_info.mass = ri.mass;
obj.mtype.phys_info.drag = ri.drag;
}
}
else { //Robots taken care of above
if (obj.render_type == RT_POLYOBJ)
{
const auto name = Save_pof_names[obj.rtype.pobj_info.model_num];
for (auto &&[i, candidate_name] : enumerate(partial_range(LevelSharedPolygonModelState.Pof_names, LevelSharedPolygonModelState.N_polygon_models)))
if (!d_stricmp(candidate_name, name)) { //found it!
obj.rtype.pobj_info.model_num = i;
break;
}
}
}
if (obj.type == OBJ_POWERUP)
{
if ( get_powerup_id(obj) >= N_powerup_types ) {
set_powerup_id(Powerup_info, Vclip, obj, POW_SHIELD_BOOST);
Assert( obj.render_type != RT_POLYOBJ );
}
obj.control_source = object::control_type::powerup;
obj.size = Powerup_info[get_powerup_id(obj)].size;
obj.ctype.powerup_info.creation_time = 0;
}
if (obj.type == OBJ_WEAPON)
{
if ( get_weapon_id(obj) >= N_weapon_types ) {
set_weapon_id(obj, weapon_id_type::LASER_ID_L1);
Assert( obj.render_type != RT_POLYOBJ );
}
#if defined(DXX_BUILD_DESCENT_II)
const auto weapon_id = get_weapon_id(obj);
if (weapon_id == weapon_id_type::PMINE_ID)
{ //make sure pmines have correct values
obj.mtype.phys_info.mass = Weapon_info[weapon_id].mass;
obj.mtype.phys_info.drag = Weapon_info[weapon_id].drag;
obj.mtype.phys_info.flags |= PF_FREE_SPINNING;
// Make sure model number & size are correct...
Assert( obj.render_type == RT_POLYOBJ );
obj.rtype.pobj_info.model_num = Weapon_info[weapon_id].model_num;
obj.size = Polygon_models[obj.rtype.pobj_info.model_num].rad;
}
#endif
}
if (obj.type == OBJ_CNTRLCEN)
{
obj.render_type = RT_POLYOBJ;
obj.control_source = object::control_type::cntrlcen;
#if defined(DXX_BUILD_DESCENT_I)
// Make model number is correct...
for (int i=0; i<Num_total_object_types; i++ )
if ( ObjType[i] == OL_CONTROL_CENTER ) {
obj.rtype.pobj_info.model_num = ObjId[i];
obj.shields = ObjStrength[i];
break;
}
#elif defined(DXX_BUILD_DESCENT_II)
if (Gamesave_current_version <= 1) { // descent 1 reactor
set_reactor_id(obj, 0); // used to be only one kind of reactor
obj.rtype.pobj_info.model_num = Reactors[0].model_num;// descent 1 reactor
}
// Make sure model number is correct...
//obj.rtype.pobj_info.model_num = Reactors[obj.id].model_num;
#endif
}
if (obj.type == OBJ_PLAYER)
{
//int i;
//Assert(obj == Player);
if (&obj == ConsoleObject)
init_player_object(LevelSharedPolygonModelState, obj);
else
if (obj.render_type == RT_POLYOBJ) //recover from Matt's pof file matchup bug
obj.rtype.pobj_info.model_num = Player_ship->model_num;
//Make sure orient matrix is orthogonal
check_and_fix_matrix(obj.orient);
set_player_id(obj, Gamesave_num_players++);
}
if (obj.type == OBJ_HOSTAGE)
{
obj.render_type = RT_HOSTAGE;
obj.control_source = object::control_type::powerup;
}
}
//static gs_skip(int len,PHYSFS_File *file)
//{
//
// PHYSFSX_fseek(file,len,SEEK_CUR);
//}
//reads one object of the given version from the given file
static void read_object(const vmobjptr_t obj,PHYSFS_File *f,int version)
{
const auto poison_obj = reinterpret_cast<uint8_t *>(&*obj);
DXX_POISON_MEMORY(poison_obj, sizeof(*obj), 0xfd);
obj->signature = object_signature_t{0};
set_object_type(*obj, PHYSFSX_readByte(f));
obj->id = PHYSFSX_readByte(f);
if (obj->type == OBJ_ROBOT)
{
#if defined(DXX_BUILD_DESCENT_I)
const auto id = get_robot_id(obj);
if (id > 23)
set_robot_id(obj, id % 24);
#endif
obj->matcen_creator = 0;
}
{
uint8_t ctype = PHYSFSX_readByte(f);
switch (typename object::control_type{ctype})
{
case object::control_type::None:
case object::control_type::ai:
case object::control_type::explosion:
case object::control_type::flying:
case object::control_type::slew:
case object::control_type::flythrough:
case object::control_type::weapon:
case object::control_type::repaircen:
case object::control_type::morph:
case object::control_type::debris:
case object::control_type::powerup:
case object::control_type::light:
case object::control_type::remote:
case object::control_type::cntrlcen:
break;
default:
ctype = static_cast<uint8_t>(object::control_type::None);
break;
}
obj->control_source = typename object::control_type{ctype};
}
{
uint8_t mtype = PHYSFSX_readByte(f);
switch (typename object::movement_type{mtype})
{
case object::movement_type::None:
case object::movement_type::physics:
case object::movement_type::spinning:
break;
default:
mtype = static_cast<uint8_t>(object::movement_type::None);
break;
}
obj->movement_source = typename object::movement_type{mtype};
}
const uint8_t render_type = PHYSFSX_readByte(f);
if (valid_render_type(render_type))
obj->render_type = render_type_t{render_type};
else
{
LevelError("Level contains bogus render type %#x for object %p; using none instead", render_type, &*obj);
obj->render_type = RT_NONE;
}
obj->flags = PHYSFSX_readByte(f);
{
const auto s = segnum_t{static_cast<uint16_t>(PHYSFSX_readShort(f))};
obj->segnum = vmsegidx_t::check_nothrow_index(s) ? s : segment_none;
}
obj->attached_obj = object_none;
PHYSFSX_readVector(f, obj->pos);
PHYSFSX_readMatrix(&obj->orient,f);
obj->size = PHYSFSX_readFix(f);
obj->shields = PHYSFSX_readFix(f);
{
vms_vector last_pos;
PHYSFSX_readVector(f, last_pos);
}
obj->contains_type = PHYSFSX_readByte(f);
obj->contains_id = PHYSFSX_readByte(f);
obj->contains_count = PHYSFSX_readByte(f);
switch (obj->movement_source) {
case object::movement_type::physics:
PHYSFSX_readVector(f, obj->mtype.phys_info.velocity);
PHYSFSX_readVector(f, obj->mtype.phys_info.thrust);
obj->mtype.phys_info.mass = PHYSFSX_readFix(f);
obj->mtype.phys_info.drag = PHYSFSX_readFix(f);
PHYSFSX_readFix(f); /* brakes */
PHYSFSX_readVector(f, obj->mtype.phys_info.rotvel);
PHYSFSX_readVector(f, obj->mtype.phys_info.rotthrust);
obj->mtype.phys_info.turnroll = PHYSFSX_readFixAng(f);
obj->mtype.phys_info.flags = PHYSFSX_readShort(f);
break;
case object::movement_type::spinning:
PHYSFSX_readVector(f, obj->mtype.spin_rate);
break;
case object::movement_type::None:
break;
default:
Int3();
}
switch (obj->control_source) {
case object::control_type::ai: {
obj->ctype.ai_info.behavior = static_cast<ai_behavior>(PHYSFSX_readByte(f));
std::array<int8_t, 11> ai_info_flags{};
PHYSFS_read(f, &ai_info_flags[0], 1, 11);
obj->ctype.ai_info.CURRENT_GUN = ai_info_flags[0];
obj->ctype.ai_info.CURRENT_STATE = build_ai_state_from_untrusted(ai_info_flags[1]).value();
obj->ctype.ai_info.GOAL_STATE = build_ai_state_from_untrusted(ai_info_flags[2]).value();
obj->ctype.ai_info.PATH_DIR = ai_info_flags[3];
#if defined(DXX_BUILD_DESCENT_I)
obj->ctype.ai_info.SUBMODE = ai_info_flags[4];
#elif defined(DXX_BUILD_DESCENT_II)
obj->ctype.ai_info.SUB_FLAGS = ai_info_flags[4];
#endif
obj->ctype.ai_info.GOALSIDE = build_sidenum_from_untrusted(ai_info_flags[5]).value();
obj->ctype.ai_info.CLOAKED = ai_info_flags[6];
obj->ctype.ai_info.SKIP_AI_COUNT = ai_info_flags[7];
obj->ctype.ai_info.REMOTE_OWNER = ai_info_flags[8];
obj->ctype.ai_info.REMOTE_SLOT_NUM = ai_info_flags[9];
{
const auto s = segnum_t{static_cast<uint16_t>(PHYSFSX_readShort(f))};
obj->ctype.ai_info.hide_segment = imsegidx_t::check_nothrow_index(s) ? s : segment_none;
}
obj->ctype.ai_info.hide_index = PHYSFSX_readShort(f);
obj->ctype.ai_info.path_length = PHYSFSX_readShort(f);
obj->ctype.ai_info.cur_path_index = PHYSFSX_readShort(f);
if (version <= 25) {
PHYSFSX_readShort(f); // obj->ctype.ai_info.follow_path_start_seg =
PHYSFSX_readShort(f); // obj->ctype.ai_info.follow_path_end_seg =
}
break;
}
case object::control_type::explosion:
obj->ctype.expl_info.spawn_time = PHYSFSX_readFix(f);
obj->ctype.expl_info.delete_time = PHYSFSX_readFix(f);
obj->ctype.expl_info.delete_objnum = PHYSFSX_readShort(f);
obj->ctype.expl_info.next_attach = obj->ctype.expl_info.prev_attach = obj->ctype.expl_info.attach_parent = object_none;
break;
case object::control_type::weapon:
//do I really need to read these? Are they even saved to disk?
obj->ctype.laser_info.parent_type = PHYSFSX_readShort(f);
obj->ctype.laser_info.parent_num = PHYSFSX_readShort(f);
obj->ctype.laser_info.parent_signature = object_signature_t{static_cast<uint16_t>(PHYSFSX_readInt(f))};
#if defined(DXX_BUILD_DESCENT_II)
obj->ctype.laser_info.last_afterburner_time = 0;
#endif
obj->ctype.laser_info.clear_hitobj();
break;
case object::control_type::light:
obj->ctype.light_info.intensity = PHYSFSX_readFix(f);
break;
case object::control_type::powerup:
if (version >= 25)
obj->ctype.powerup_info.count = PHYSFSX_readInt(f);
else
obj->ctype.powerup_info.count = 1;
if (obj->type == OBJ_POWERUP)
{
/* Objects loaded from a level file were not ejected by
* the player.
*/
obj->ctype.powerup_info.flags = 0;
/* Hostages have control type object::control_type::powerup, but object
* type OBJ_HOSTAGE. Hostages are never weapons, so
* prevent checking their IDs.
*/
if (get_powerup_id(obj) == POW_VULCAN_WEAPON)
obj->ctype.powerup_info.count = VULCAN_WEAPON_AMMO_AMOUNT;
#if defined(DXX_BUILD_DESCENT_II)
else if (get_powerup_id(obj) == POW_GAUSS_WEAPON)
obj->ctype.powerup_info.count = VULCAN_WEAPON_AMMO_AMOUNT;
else if (get_powerup_id(obj) == POW_OMEGA_WEAPON)
obj->ctype.powerup_info.count = MAX_OMEGA_CHARGE;
#endif
}
break;
case object::control_type::None:
case object::control_type::flying:
case object::control_type::debris:
break;
case object::control_type::slew: //the player is generally saved as slew
break;
case object::control_type::cntrlcen:
break;
case object::control_type::morph:
case object::control_type::flythrough:
case object::control_type::repaircen:
default:
Int3();
}
switch (obj->render_type) {
case RT_NONE:
break;
case RT_MORPH:
case RT_POLYOBJ: {
int tmo;
#if defined(DXX_BUILD_DESCENT_I)
obj->rtype.pobj_info.model_num = convert_polymod(LevelSharedPolygonModelState.N_polygon_models, PHYSFSX_readInt(f));
#elif defined(DXX_BUILD_DESCENT_II)
obj->rtype.pobj_info.model_num = PHYSFSX_readInt(f);
#endif
range_for (auto &i, obj->rtype.pobj_info.anim_angles)
PHYSFSX_readAngleVec(&i, f);
obj->rtype.pobj_info.subobj_flags = PHYSFSX_readInt(f);
tmo = PHYSFSX_readInt(f);
#if !DXX_USE_EDITOR
#if defined(DXX_BUILD_DESCENT_I)
obj->rtype.pobj_info.tmap_override = convert_tmap(tmo);
#elif defined(DXX_BUILD_DESCENT_II)
obj->rtype.pobj_info.tmap_override = tmo;
#endif
#else
if (tmo==-1)
obj->rtype.pobj_info.tmap_override = -1;
else {
int xlated_tmo = tmap_xlate_table[tmo];
if (xlated_tmo < 0) {
Int3();
xlated_tmo = 0;
}
obj->rtype.pobj_info.tmap_override = xlated_tmo;
}
#endif
obj->rtype.pobj_info.alt_textures = 0;
break;
}
case RT_WEAPON_VCLIP:
case RT_HOSTAGE:
case RT_POWERUP:
case RT_FIREBALL:
#if defined(DXX_BUILD_DESCENT_I)
obj->rtype.vclip_info.vclip_num = convert_vclip(Vclip, PHYSFSX_readInt(f));
#elif defined(DXX_BUILD_DESCENT_II)
obj->rtype.vclip_info.vclip_num = PHYSFSX_readInt(f);
#endif
obj->rtype.vclip_info.frametime = PHYSFSX_readFix(f);
obj->rtype.vclip_info.framenum = PHYSFSX_readByte(f);
break;
case RT_LASER:
break;
default:
Int3();
}
}
}
}
#if DXX_USE_EDITOR
namespace {
static int PHYSFSX_writeMatrix(PHYSFS_File *file, const vms_matrix &m)
{
if (PHYSFSX_writeVector(file, m.rvec) < 1 ||
PHYSFSX_writeVector(file, m.uvec) < 1 ||
PHYSFSX_writeVector(file, m.fvec) < 1)
return 0;
return 1;
}
static int PHYSFSX_writeAngleVec(PHYSFS_File *file, const vms_angvec &v)
{
if (PHYSFSX_writeFixAng(file, v.p) < 1 ||
PHYSFSX_writeFixAng(file, v.b) < 1 ||
PHYSFSX_writeFixAng(file, v.h) < 1)
return 0;
return 1;
}
}
//writes one object to the given file
namespace dsx {
namespace {
static void write_object(const object &obj, short version, PHYSFS_File *f)
{
#if defined(DXX_BUILD_DESCENT_I)
(void)version;
#endif
PHYSFSX_writeU8(f, obj.type);
PHYSFSX_writeU8(f, obj.id);
PHYSFSX_writeU8(f, static_cast<uint8_t>(obj.control_source));
PHYSFSX_writeU8(f, static_cast<uint8_t>(obj.movement_source));
PHYSFSX_writeU8(f, obj.render_type);
PHYSFSX_writeU8(f, obj.flags);
PHYSFS_writeSLE16(f, obj.segnum);
PHYSFSX_writeVector(f, obj.pos);
PHYSFSX_writeMatrix(f, obj.orient);
PHYSFSX_writeFix(f, obj.size);
PHYSFSX_writeFix(f, obj.shields);
PHYSFSX_writeVector(f, obj.pos);
PHYSFSX_writeU8(f, obj.contains_type);
PHYSFSX_writeU8(f, obj.contains_id);
PHYSFSX_writeU8(f, obj.contains_count);
switch (obj.movement_source) {
case object::movement_type::physics:
PHYSFSX_writeVector(f, obj.mtype.phys_info.velocity);
PHYSFSX_writeVector(f, obj.mtype.phys_info.thrust);
PHYSFSX_writeFix(f, obj.mtype.phys_info.mass);
PHYSFSX_writeFix(f, obj.mtype.phys_info.drag);
PHYSFSX_writeFix(f, 0); /* brakes */
PHYSFSX_writeVector(f, obj.mtype.phys_info.rotvel);
PHYSFSX_writeVector(f, obj.mtype.phys_info.rotthrust);
PHYSFSX_writeFixAng(f, obj.mtype.phys_info.turnroll);
PHYSFS_writeSLE16(f, obj.mtype.phys_info.flags);
break;
case object::movement_type::spinning:
PHYSFSX_writeVector(f, obj.mtype.spin_rate);
break;
case object::movement_type::None:
break;
default:
Int3();
}
switch (obj.control_source) {
case object::control_type::ai: {
PHYSFSX_writeU8(f, static_cast<uint8_t>(obj.ctype.ai_info.behavior));
std::array<int8_t, 11> ai_info_flags{};
ai_info_flags[0] = obj.ctype.ai_info.CURRENT_GUN;
ai_info_flags[1] = obj.ctype.ai_info.CURRENT_STATE;
ai_info_flags[2] = obj.ctype.ai_info.GOAL_STATE;
ai_info_flags[3] = obj.ctype.ai_info.PATH_DIR;
#if defined(DXX_BUILD_DESCENT_I)
ai_info_flags[4] = obj.ctype.ai_info.SUBMODE;
#elif defined(DXX_BUILD_DESCENT_II)
ai_info_flags[4] = obj.ctype.ai_info.SUB_FLAGS;
#endif
ai_info_flags[5] = underlying_value(obj.ctype.ai_info.GOALSIDE);
ai_info_flags[6] = obj.ctype.ai_info.CLOAKED;
ai_info_flags[7] = obj.ctype.ai_info.SKIP_AI_COUNT;
ai_info_flags[8] = obj.ctype.ai_info.REMOTE_OWNER;
ai_info_flags[9] = obj.ctype.ai_info.REMOTE_SLOT_NUM;
PHYSFS_write(f, &ai_info_flags[0], 1, 11);
PHYSFS_writeSLE16(f, obj.ctype.ai_info.hide_segment);
PHYSFS_writeSLE16(f, obj.ctype.ai_info.hide_index);
PHYSFS_writeSLE16(f, obj.ctype.ai_info.path_length);
PHYSFS_writeSLE16(f, obj.ctype.ai_info.cur_path_index);
#if defined(DXX_BUILD_DESCENT_I)
PHYSFS_writeSLE16(f, segment_none);
PHYSFS_writeSLE16(f, segment_none);
#elif defined(DXX_BUILD_DESCENT_II)
if (version <= 25)
{
PHYSFS_writeSLE16(f, -1); //obj.ctype.ai_info.follow_path_start_seg
PHYSFS_writeSLE16(f, -1); //obj.ctype.ai_info.follow_path_end_seg
}
#endif
break;
}
case object::control_type::explosion:
PHYSFSX_writeFix(f, obj.ctype.expl_info.spawn_time);
PHYSFSX_writeFix(f, obj.ctype.expl_info.delete_time);
PHYSFS_writeSLE16(f, obj.ctype.expl_info.delete_objnum);
break;
case object::control_type::weapon:
//do I really need to write these objects?
PHYSFS_writeSLE16(f, obj.ctype.laser_info.parent_type);
PHYSFS_writeSLE16(f, obj.ctype.laser_info.parent_num);
PHYSFS_writeSLE32(f, static_cast<uint16_t>(obj.ctype.laser_info.parent_signature));
break;
case object::control_type::light:
PHYSFSX_writeFix(f, obj.ctype.light_info.intensity);
break;
case object::control_type::powerup:
#if defined(DXX_BUILD_DESCENT_I)
PHYSFS_writeSLE32(f, obj.ctype.powerup_info.count);
#elif defined(DXX_BUILD_DESCENT_II)
if (version >= 25)
PHYSFS_writeSLE32(f, obj.ctype.powerup_info.count);
#endif
break;
case object::control_type::None:
case object::control_type::flying:
case object::control_type::debris:
break;
case object::control_type::slew: //the player is generally saved as slew
break;
case object::control_type::cntrlcen:
break; //control center object.
case object::control_type::morph:
case object::control_type::repaircen:
case object::control_type::flythrough:
default:
Int3();
}
switch (obj.render_type) {
case RT_NONE:
break;
case RT_MORPH:
case RT_POLYOBJ: {
PHYSFS_writeSLE32(f, obj.rtype.pobj_info.model_num);
range_for (auto &i, obj.rtype.pobj_info.anim_angles)
PHYSFSX_writeAngleVec(f, i);
PHYSFS_writeSLE32(f, obj.rtype.pobj_info.subobj_flags);
PHYSFS_writeSLE32(f, obj.rtype.pobj_info.tmap_override);
break;
}
case RT_WEAPON_VCLIP:
case RT_HOSTAGE:
case RT_POWERUP:
case RT_FIREBALL:
PHYSFS_writeSLE32(f, obj.rtype.vclip_info.vclip_num);
PHYSFSX_writeFix(f, obj.rtype.vclip_info.frametime);
PHYSFSX_writeU8(f, obj.rtype.vclip_info.framenum);
break;
case RT_LASER:
break;
default:
Int3();
}
}
}
}
#endif
// --------------------------------------------------------------------
// Load game
// Loads all the relevant data for a level.
// If level != -1, it loads the filename with extension changed to .min
// Otherwise it loads the appropriate level mine.
// returns 0=everything ok, 1=old version, -1=error
namespace dsx {
namespace {
static void validate_segment_wall(const vcsegptridx_t seg, shared_side &side, const sidenum_t sidenum)
{
auto &rwn0 = side.wall_num;
const auto wn0 = rwn0;
auto &Walls = LevelUniqueWallSubsystemState.Walls;
auto &vcwallptr = Walls.vcptr;
auto &w0 = *vcwallptr(wn0);
switch (w0.type)
{
case WALL_DOOR:
{
const auto connected_seg = seg->shared_segment::children[sidenum];
if (connected_seg == segment_none)
{
rwn0 = wall_none;
LevelError("segment %hu side %u wall %hu has no child segment; removing orphan wall.", seg.get_unchecked_index(), underlying_value(sidenum), underlying_value(wn0));
return;
}
const shared_segment &vcseg = *vcsegptr(connected_seg);
const auto connected_side = find_connect_side(seg, vcseg);
if (connected_side == side_none)
{
rwn0 = wall_none;
LevelError("segment %hu side %u wall %u has child segment %hu side %u, but child segment does not link back; removing orphan wall.", seg.get_unchecked_index(), underlying_value(sidenum), underlying_value(wn0), connected_seg, underlying_value(connected_side));
return;
}
const auto wn1 = vcseg.sides[connected_side].wall_num;
if (wn1 == wall_none)
{
rwn0 = wall_none;
LevelError("segment %hu side %u wall %u has child segment %hu side %u, but no wall; removing orphan wall.", seg.get_unchecked_index(), underlying_value(sidenum), static_cast<unsigned>(wn0), connected_seg, underlying_value(connected_side));
return;
}
}
break;
default:
break;
}
}
static int load_game_data(
#if defined(DXX_BUILD_DESCENT_II)
d_level_shared_destructible_light_state &LevelSharedDestructibleLightState,
#endif
fvmobjptridx &vmobjptridx, fvmsegptridx &vmsegptridx, PHYSFS_File *LoadFile)
{
auto &Objects = LevelUniqueObjectState.Objects;
auto &vmobjptr = Objects.vmptr;
auto &WallAnims = GameSharedState.WallAnims;
auto &RobotCenters = LevelSharedRobotcenterState.RobotCenters;
const auto &vcsegptridx = vmsegptridx;
short game_top_fileinfo_version;
int object_offset;
unsigned gs_num_objects;
int trig_size;
//===================== READ FILE INFO ========================
// Check signature
if (PHYSFSX_readShort(LoadFile) != 0x6705)
return -1;
// Read and check version number
game_top_fileinfo_version = PHYSFSX_readShort(LoadFile);
if (game_top_fileinfo_version < GAME_COMPATIBLE_VERSION )
return -1;
// We skip some parts of the former game_top_fileinfo
PHYSFSX_fseek(LoadFile, 31, SEEK_CUR);
object_offset = PHYSFSX_readInt(LoadFile);
gs_num_objects = PHYSFSX_readInt(LoadFile);
PHYSFSX_fseek(LoadFile, 8, SEEK_CUR);
init_exploding_walls();
auto &Walls = LevelUniqueWallSubsystemState.Walls;
Walls.set_count(PHYSFSX_readInt(LoadFile));
PHYSFSX_fseek(LoadFile, 20, SEEK_CUR);
auto &Triggers = LevelUniqueWallSubsystemState.Triggers;
Triggers.set_count(PHYSFSX_readInt(LoadFile));
PHYSFSX_fseek(LoadFile, 24, SEEK_CUR);
trig_size = PHYSFSX_readInt(LoadFile);
if (trig_size != sizeof(v1_control_center_triggers))
throw std::runtime_error("wrong size for v1_control_center_triggers");
PHYSFSX_fseek(LoadFile, 4, SEEK_CUR);
const unsigned Num_robot_centers = PHYSFSX_readInt(LoadFile);
LevelSharedRobotcenterState.Num_robot_centers = Num_robot_centers;
PHYSFSX_fseek(LoadFile, 4, SEEK_CUR);
#if defined(DXX_BUILD_DESCENT_I)
#elif defined(DXX_BUILD_DESCENT_II)
unsigned num_delta_lights;
unsigned Num_static_lights;
if (game_top_fileinfo_version >= 29) {
PHYSFSX_fseek(LoadFile, 4, SEEK_CUR);
Num_static_lights = PHYSFSX_readInt(LoadFile);
PHYSFSX_fseek(LoadFile, 8, SEEK_CUR);
num_delta_lights = PHYSFSX_readInt(LoadFile);
PHYSFSX_fseek(LoadFile, 4, SEEK_CUR);
} else {
Num_static_lights = 0;
num_delta_lights = 0;
}
#endif
if (game_top_fileinfo_version >= 31) //load mine filename
// read newline-terminated string, not sure what version this changed.
PHYSFSX_fgets(Current_level_name,LoadFile);
else if (game_top_fileinfo_version >= 14) { //load mine filename
// read null-terminated string
//must do read one char at a time, since no PHYSFSX_fgets()
for (auto p = Current_level_name.next().begin(); (*p = PHYSFSX_fgetc(LoadFile));)
{
if (++p == Current_level_name.line().end())
{
p[-1] = 0;
while (PHYSFSX_fgetc(LoadFile))
;
break;
}
}
}
else
Current_level_name.next()[0]=0;
savegame_pof_names_type Save_pof_names;
if (game_top_fileinfo_version >= 19) { //load pof names
const unsigned N_save_pof_names = PHYSFSX_readShort(LoadFile);
if (N_save_pof_names < MAX_POLYGON_MODELS)
PHYSFS_read(LoadFile,Save_pof_names,N_save_pof_names,FILENAME_LEN);
else
LevelError("Level contains bogus N_save_pof_names %#x; ignoring", N_save_pof_names);
}
//===================== READ PLAYER INFO ==========================
//===================== READ OBJECT INFO ==========================
Gamesave_num_org_robots = 0;
Gamesave_num_players = 0;
if (object_offset > -1) {
if (PHYSFSX_fseek( LoadFile, object_offset, SEEK_SET ))
Error( "Error seeking to object_offset in gamesave.c" );
range_for (auto &i, partial_range(Objects, gs_num_objects))
{
const auto &&o = vmobjptr(&i);
read_object(o, LoadFile, game_top_fileinfo_version);
verify_object(LevelSharedRobotInfoState, Vclip, o, Save_pof_names);
}
}
//===================== READ WALL INFO ============================
auto &vmwallptr = Walls.vmptr;
range_for (const auto &&vw, vmwallptr)
{
auto &nw = *vw;
if (game_top_fileinfo_version >= 20)
wall_read(LoadFile, nw); // v20 walls and up.
else if (game_top_fileinfo_version >= 17) {
v19_wall w;
v19_wall_read(LoadFile, w);
nw.segnum = w.segnum;
nw.sidenum = build_sidenum_from_untrusted(w.sidenum).value();
nw.linked_wall = w.linked_wall;
nw.type = w.type;
auto wf = static_cast<wall_flags>(w.flags);
wf &= ~wall_flag::exploding;
nw.flags = wf;
nw.hps = w.hps;
nw.trigger = static_cast<trgnum_t>(w.trigger);
#if defined(DXX_BUILD_DESCENT_I)
nw.clip_num = convert_wclip(w.clip_num);
#elif defined(DXX_BUILD_DESCENT_II)
nw.clip_num = w.clip_num;
#endif
nw.keys = static_cast<wall_key>(w.keys);
nw.state = wall_state::closed;
} else {
v16_wall w;
v16_wall_read(LoadFile, w);
nw.segnum = segment_none;
nw.sidenum = {};
nw.linked_wall = wall_none;
nw.type = w.type;
auto wf = static_cast<wall_flags>(w.flags);
wf &= ~wall_flag::exploding;
nw.flags = wf;
nw.hps = w.hps;
nw.trigger = static_cast<trgnum_t>(w.trigger);
#if defined(DXX_BUILD_DESCENT_I)
nw.clip_num = convert_wclip(w.clip_num);
#elif defined(DXX_BUILD_DESCENT_II)
nw.clip_num = w.clip_num;
#endif
nw.keys = static_cast<wall_key>(w.keys);
}
}
//==================== READ TRIGGER INFO ==========================
auto &vmtrgptr = Triggers.vmptr;
range_for (const auto vt, vmtrgptr)
{
auto &i = *vt;
#if defined(DXX_BUILD_DESCENT_I)
if (game_top_fileinfo_version <= 25)
v25_trigger_read(LoadFile, &i);
else {
v26_trigger_read(LoadFile, i);
}
#elif defined(DXX_BUILD_DESCENT_II)
if (game_top_fileinfo_version < 31)
{
if (game_top_fileinfo_version < 30) {
v29_trigger_read_as_v31(LoadFile, i);
}
else
v30_trigger_read_as_v31(LoadFile, i);
}
else
trigger_read(LoadFile, i);
#endif
}
//================ READ CONTROL CENTER TRIGGER INFO ===============
control_center_triggers_read(ControlCenterTriggers, LoadFile);
//================ READ MATERIALOGRIFIZATIONATORS INFO ===============
for (auto &&[i, r] : enumerate(partial_range(RobotCenters, Num_robot_centers)))
{
#if defined(DXX_BUILD_DESCENT_I)
matcen_info_read(LoadFile, r, game_top_fileinfo_version);
#elif defined(DXX_BUILD_DESCENT_II)
if (game_top_fileinfo_version < 27) {
d1_matcen_info_read(LoadFile, r);
}
else
matcen_info_read(LoadFile, r);
#endif
// Set links in RobotCenters to Station array
for (const shared_segment &seg : partial_const_range(Segments, Segments.get_count()))
if (seg.special == segment_special::robotmaker)
if (seg.matcen_num == i)
r.fuelcen_num = seg.station_idx;
}
#if defined(DXX_BUILD_DESCENT_II)
//================ READ DL_INDICES INFO ===============
{
auto &Dl_indices = LevelSharedDestructibleLightState.Dl_indices;
Dl_indices.set_count(Num_static_lights);
if (game_top_fileinfo_version < 29)
{
if (Num_static_lights)
throw std::logic_error("Static lights in old file");
}
else
{
const auto &&lr = partial_range(Dl_indices, Num_static_lights);
range_for (auto &i, lr)
dl_index_read(&i, LoadFile);
std::sort(lr.begin(), lr.end());
}
}
// Indicate that no light has been subtracted from any vertices.
clear_light_subtracted();
//================ READ DELTA LIGHT INFO ===============
if (game_top_fileinfo_version < 29) {
;
} else
{
auto &Delta_lights = LevelSharedDestructibleLightState.Delta_lights;
range_for (auto &i, partial_range(Delta_lights, num_delta_lights))
delta_light_read(&i, LoadFile);
}
#endif
//========================= UPDATE VARIABLES ======================
reset_objects(LevelUniqueObjectState, gs_num_objects);
range_for (auto &i, Objects)
{
if (i.type != OBJ_NONE) {
auto objsegnum = i.segnum;
if (objsegnum > Highest_segment_index) //bogus object
{
Warning("Object %p is in non-existent segment %hu, highest=%hu", &i, objsegnum, Highest_segment_index);
i.type = OBJ_NONE;
}
else {
obj_link_unchecked(Objects.vmptr, vmobjptridx(&i), vmsegptridx(objsegnum));
}
}
}
clear_transient_objects(1); //1 means clear proximity bombs
// Make sure non-transparent doors are set correctly.
range_for (auto &&i, vmsegptridx)
for (auto &&[side_idx, sside, uside] : enumerate(zip(i->shared_segment::sides, i->unique_segment::sides)))
{
if (sside.wall_num == wall_none)
continue;
auto &w = *vmwallptr(sside.wall_num);
if (w.clip_num != -1)
{
auto &wa = WallAnims[w.clip_num];
if (wa.flags & WCF_TMAP1)
{
uside.tmap_num = build_texture1_value(wa.frames[0]);
uside.tmap_num2 = texture2_value();
}
}
validate_segment_wall(i, sside, side_idx);
}
auto &ActiveDoors = LevelUniqueWallSubsystemState.ActiveDoors;
ActiveDoors.set_count(0);
//go through all walls, killing references to invalid triggers
range_for (const auto &&p, vmwallptr)
{
auto &w = *p;
if (underlying_value(w.trigger) >= Triggers.get_count())
{
w.trigger = trigger_none; //kill trigger
}
}
#if DXX_USE_EDITOR
//go through all triggers, killing unused ones
{
const auto &&wr = make_range(vmwallptr);
for (auto iter = Triggers.vmptridx.begin(); iter != Triggers.vmptridx.end();)
{
const auto i = (*iter).get_unchecked_index();
auto a = [i](const wall &w) { return w.trigger == i; };
// Find which wall this trigger is connected to.
auto w = std::find_if(wr.begin(), wr.end(), a);
if (w == wr.end())
{
remove_trigger_num(Triggers, Walls.vmptr, i);
}
else
++iter;
}
}
#endif
// MK, 10/17/95: Make walls point back at the triggers that control them.
// Go through all triggers, stuffing controlling_trigger field in Walls.
{
#if defined(DXX_BUILD_DESCENT_II)
range_for (const auto &&w, vmwallptr)
w->controlling_trigger = trigger_none;
#endif
auto &vctrgptridx = Triggers.vcptridx;
range_for (const auto &&t, vctrgptridx)
{
auto &tr = *t;
for (unsigned l = 0; l < tr.num_links; ++l)
{
//check to see that if a trigger requires a wall that it has one,
//and if it requires a matcen that it has one
const auto seg_num = tr.seg[l];
if (trigger_is_matcen(tr))
{
if (Segments[seg_num].special != segment_special::robotmaker)
con_printf(CON_URGENT, "matcen %u triggers non-matcen segment %hu", underlying_value(t.get_unchecked_index()), seg_num);
}
#if defined(DXX_BUILD_DESCENT_II)
else if (tr.type != trigger_action::light_off && tr.type != trigger_action::light_on)
{ //light triggers don't require walls
const auto side_num = tr.side[l];
auto wall_num = vmsegptr(seg_num)->shared_segment::sides[side_num].wall_num;
if (const auto &&uwall = vmwallptr.check_untrusted(wall_num))
(*uwall)->controlling_trigger = t;
else
{
LevelError("trigger %u link %u type %u references segment %hu, side %u which is an invalid wall; ignoring.", underlying_value(t.get_unchecked_index()), l, static_cast<unsigned>(tr.type), seg_num, underlying_value(side_num));
}
}
#endif
}
}
}
//fix old wall structs
if (game_top_fileinfo_version < 17) {
range_for (const auto &&segp, vcsegptridx)
{
for (const auto &&[sidenum, side] : enumerate(segp->shared_segment::sides))
{
const auto wallnum = side.wall_num;
if (wallnum != wall_none)
{
auto &w = *vmwallptr(wallnum);
w.segnum = segp;
w.sidenum = static_cast<sidenum_t>(sidenum);
}
}
}
}
fix_object_segs();
if (game_top_fileinfo_version < GAME_VERSION
#if defined(DXX_BUILD_DESCENT_II)
&& !(game_top_fileinfo_version == 25 && GAME_VERSION == 26)
#endif
)
return 1; //means old version
else
return 0;
}
}
}
// ----------------------------------------------------------------------------
#if defined(DXX_BUILD_DESCENT_I)
#define LEVEL_FILE_VERSION 1
#elif defined(DXX_BUILD_DESCENT_II)
#define LEVEL_FILE_VERSION 8
#endif
//1 -> 2 add palette name
//2 -> 3 add control center explosion time
//3 -> 4 add reactor strength
//4 -> 5 killed hostage text stuff
//5 -> 6 added Secret_return_segment and Secret_return_orient
//6 -> 7 added flickering lights
//7 -> 8 made version 8 to be not compatible with D2 1.0 & 1.1
#ifndef RELEASE
const char *Level_being_loaded=NULL;
#endif
#if defined(DXX_BUILD_DESCENT_II)
int no_old_level_file_error=0;
#endif
//loads a level (.LVL) file from disk
//returns 0 if success, else error code
namespace dsx {
int load_level(
#if defined(DXX_BUILD_DESCENT_II)
d_level_shared_destructible_light_state &LevelSharedDestructibleLightState,
#endif
const char * filename_passed)
{
auto &LevelSharedVertexState = LevelSharedSegmentState.get_vertex_state();
auto &Objects = LevelUniqueObjectState.Objects;
auto &Vertices = LevelSharedVertexState.get_vertices();
auto &vmobjptridx = Objects.vmptridx;
char filename[PATH_MAX];
int sig, minedata_offset, gamedata_offset;
int mine_err, game_err;
#ifndef RELEASE
Level_being_loaded = filename_passed;
#endif
strcpy(filename,filename_passed);
auto LoadFile = PHYSFSX_openReadBuffered(filename).first;
if (!LoadFile)
{
snprintf(filename, sizeof(filename), "%.*s%s", DXX_ptrdiff_cast_int(std::distance(Current_mission->path.cbegin(), Current_mission->filename)), Current_mission->path.c_str(), filename_passed);
auto &&[fp, physfserr] = PHYSFSX_openReadBuffered(filename);
if (!fp)
{
#if DXX_USE_EDITOR
con_printf(CON_VERBOSE, "Failed to open file <%s>: %s", filename, PHYSFS_getErrorByCode(physfserr));
return 1;
#else
Error("Failed to open file <%s>: %s", filename, PHYSFS_getErrorByCode(physfserr));
#endif
}
LoadFile = std::move(fp);
}
sig = PHYSFSX_readInt(LoadFile);
Gamesave_current_version = PHYSFSX_readInt(LoadFile);
minedata_offset = PHYSFSX_readInt(LoadFile);
gamedata_offset = PHYSFSX_readInt(LoadFile);
Assert(sig == MAKE_SIG('P','L','V','L'));
(void)sig;
if (Gamesave_current_version < 5)
PHYSFSX_readInt(LoadFile); //was hostagetext_offset
init_exploding_walls();
#if defined(DXX_BUILD_DESCENT_II)
if (Gamesave_current_version >= 8) { //read dummy data
PHYSFSX_readInt(LoadFile);
PHYSFSX_readShort(LoadFile);
PHYSFSX_readByte(LoadFile);
}
if (Gamesave_current_version > 1)
PHYSFSX_fgets(Current_level_palette,LoadFile);
if (Gamesave_current_version <= 1 || Current_level_palette[0]==0) // descent 1 level
strcpy(Current_level_palette.next().data(), DEFAULT_LEVEL_PALETTE);
if (Gamesave_current_version >= 3)
LevelSharedControlCenterState.Base_control_center_explosion_time = PHYSFSX_readInt(LoadFile);
else
LevelSharedControlCenterState.Base_control_center_explosion_time = DEFAULT_CONTROL_CENTER_EXPLOSION_TIME;
if (Gamesave_current_version >= 4)
LevelSharedControlCenterState.Reactor_strength = PHYSFSX_readInt(LoadFile);
else
LevelSharedControlCenterState.Reactor_strength = -1; //use old defaults
if (Gamesave_current_version >= 7) {
Flickering_light_state.Num_flickering_lights = PHYSFSX_readInt(LoadFile);
range_for (auto &i, partial_range(Flickering_light_state.Flickering_lights, Flickering_light_state.Num_flickering_lights))
flickering_light_read(i, LoadFile);
}
else
Flickering_light_state.Num_flickering_lights = 0;
{
auto &Secret_return_orient = LevelSharedSegmentState.Secret_return_orient;
if (Gamesave_current_version < 6) {
LevelSharedSegmentState.Secret_return_segment = segment_first;
Secret_return_orient.rvec.x = F1_0;
Secret_return_orient.rvec.y = 0;
Secret_return_orient.rvec.z = 0;
Secret_return_orient.fvec.x = 0;
Secret_return_orient.fvec.y = F1_0;
Secret_return_orient.fvec.z = 0;
Secret_return_orient.uvec.x = 0;
Secret_return_orient.uvec.y = 0;
Secret_return_orient.uvec.z = F1_0;
} else {
{
const auto s = segnum_t{static_cast<uint16_t>(PHYSFSX_readInt(LoadFile))};
LevelSharedSegmentState.Secret_return_segment = vmsegidx_t::check_nothrow_index(s) ? s : segment_none;
}
Secret_return_orient.rvec.x = PHYSFSX_readInt(LoadFile);
Secret_return_orient.rvec.y = PHYSFSX_readInt(LoadFile);
Secret_return_orient.rvec.z = PHYSFSX_readInt(LoadFile);
Secret_return_orient.fvec.x = PHYSFSX_readInt(LoadFile);
Secret_return_orient.fvec.y = PHYSFSX_readInt(LoadFile);
Secret_return_orient.fvec.z = PHYSFSX_readInt(LoadFile);
Secret_return_orient.uvec.x = PHYSFSX_readInt(LoadFile);
Secret_return_orient.uvec.y = PHYSFSX_readInt(LoadFile);
Secret_return_orient.uvec.z = PHYSFSX_readInt(LoadFile);
}
}
#endif
PHYSFSX_fseek(LoadFile,minedata_offset,SEEK_SET);
//NOTE LINK TO ABOVE!!
mine_err = load_mine_data_compiled(LoadFile, filename);
/* !!!HACK!!!
* Descent 1 - Level 19: OBERON MINE has some ugly overlapping rooms (segment 484).
* HACK to make this issue less visible by moving one vertex a little.
*/
auto &vmvertptr = Vertices.vmptr;
if (Current_mission && !d_stricmp("Descent: First Strike", Current_mission->mission_name) && !d_stricmp("level19.rdl", filename) && PHYSFS_fileLength(LoadFile) == 136706)
vmvertptr(vertnum_t{1905u})->z = -385 * F1_0;
#if defined(DXX_BUILD_DESCENT_II)
/* !!!HACK!!!
* Descent 2 - Level 12: MAGNACORE STATION has a segment (104) with illegal dimensions.
* HACK to fix this by moving the Vertex and fixing the associated Normals.
* NOTE: This only fixes the normals of segment 104, not the other ones connected to this Vertex but this is unsignificant.
*/
if (Current_mission && !d_stricmp("Descent 2: Counterstrike!", Current_mission->mission_name) && !d_stricmp("d2levc-4.rl2", filename))
{
shared_segment &s104 = *vmsegptr(segnum_t{104});
auto &s104v0 = *vmvertptr(s104.verts[segment_relative_vertnum::_0]);
auto &s104s1 = s104.sides[sidenum_t::WTOP];
auto &s104s1n0 = s104s1.normals[0];
auto &s104s1n1 = s104s1.normals[1];
auto &s104s2 = s104.sides[sidenum_t::WRIGHT];
auto &s104s2n0 = s104s2.normals[0];
auto &s104s2n1 = s104s2.normals[1];
if (
(s104v0.x == -53990800 && s104v0.y == -59927741 && s104v0.z == 23034584) &&
(s104s1n0.x == 56775 && s104s1n0.y == -27796 && s104s1n0.z == -17288 && s104s1n1.x == 50157 && s104s1n1.y == -34561 && s104s1n1.z == -24180) &&
(s104s2n0.x == 60867 && s104s2n0.y == -19485 && s104s2n0.z == -14507 && s104s2n1.x == 55485 && s104s2n1.y == -29668 && s104s2n1.z == -18332)
)
{
s104v0.x = -53859726;
s104v0.y = -59927743;
s104v0.z = 23034586;
s104s1n0.x = 56123;
s104s1n0.y = -27725;
s104s1n0.z = -19401;
s104s1n1.x = 49910;
s104s1n1.y = -33946;
s104s1n1.z = -25525;
s104s2n0.x = 60903;
s104s2n0.y = -18371;
s104s2n0.z = -15753;
s104s2n1.x = 57004;
s104s2n1.y = -26385;
s104s2n1.z = -18688;
// I feel so dirty now ...
}
}
#endif
if (mine_err == -1) { //error!!
return 2;
}
PHYSFSX_fseek(LoadFile,gamedata_offset,SEEK_SET);
game_err = load_game_data(
#if defined(DXX_BUILD_DESCENT_II)
LevelSharedDestructibleLightState,
#endif
vmobjptridx, vmsegptridx, LoadFile);
if (game_err == -1) { //error!!
return 3;
}
//======================== CLOSE FILE =============================
LoadFile.reset();
#if defined(DXX_BUILD_DESCENT_II)
set_ambient_sound_flags();
#endif
#if DXX_USE_EDITOR
#if defined(DXX_BUILD_DESCENT_I)
//If an old version, ask the use if he wants to save as new version
if (((LEVEL_FILE_VERSION>1) && Gamesave_current_version < LEVEL_FILE_VERSION) || mine_err==1 || game_err==1) {
gr_palette_load(gr_palette);
if (nm_messagebox_str(menu_title{nullptr}, nm_messagebox_tie("Don't Save", "Save"), menu_subtitle{"You just loaded a old version level. Would\n"
"you like to save it as a current version level?"}) == 1)
save_level(filename);
}
#elif defined(DXX_BUILD_DESCENT_II)
//If a Descent 1 level and the Descent 1 pig isn't present, pretend it's a Descent 2 level.
if (EditorWindow && (Gamesave_current_version <= 3) && !d1_pig_present)
{
if (!no_old_level_file_error)
Warning("A Descent 1 level was loaded,\n"
"and there is no Descent 1 texture\n"
"set available. Saving it will\n"
"convert it to a Descent 2 level.");
Gamesave_current_version = LEVEL_FILE_VERSION;
}
#endif
#endif
#if DXX_USE_EDITOR
if (EditorWindow)
editor_status_fmt("Loaded NEW mine %s, \"%s\"", filename, static_cast<const char *>(Current_level_name));
#endif
#ifdef NDEBUG
if (!PLAYING_BUILTIN_MISSION)
#endif
if (check_segment_connections())
{
#ifndef NDEBUG
nm_messagebox_str(menu_title{TXT_ERROR}, nm_messagebox_tie(TXT_OK),
menu_subtitle{"Connectivity errors detected in\n"
"mine. See monochrome screen for\n"
"details, and contact Matt or Mike."});
#endif
}
#if defined(DXX_BUILD_DESCENT_II)
compute_slide_segs();
#endif
return 0;
}
}
#if DXX_USE_EDITOR
int get_level_name()
{
using items_type = std::array<newmenu_item, 2>;
struct request_menu : items_type, passive_newmenu
{
request_menu(grs_canvas &canvas) :
items_type{{
newmenu_item::nm_item_text{"Please enter a name for this mine:"},
newmenu_item::nm_item_input(Current_level_name.next()),
}},
passive_newmenu(menu_title{nullptr}, menu_subtitle{"Enter mine name"}, menu_filename{nullptr}, tiny_mode_flag::normal, tab_processing_flag::ignore, adjusted_citem::create(*static_cast<items_type *>(this), 1), canvas, draw_box_flag::none)
{
}
};
return run_blocking_newmenu<request_menu>(*grd_curcanv);
}
#endif
#if DXX_USE_EDITOR
// --------------------------------------------------------------------------------------
// Create a new mine, set global variables.
namespace dsx {
int create_new_mine(void)
{
auto &LevelSharedVertexState = LevelSharedSegmentState.get_vertex_state();
auto &Vertices = LevelSharedVertexState.get_vertices();
vms_matrix m1 = IDENTITY_MATRIX;
// initialize_mine_arrays();
// gamestate_not_restored = 1;
// Clear refueling center code
fuelcen_reset();
init_all_vertices();
Current_level_num = 1; // make level 1 (for now)
Current_level_name.next()[0] = 0;
#if defined(DXX_BUILD_DESCENT_I)
Gamesave_current_version = LEVEL_FILE_VERSION;
#elif defined(DXX_BUILD_DESCENT_II)
Gamesave_current_version = GAME_VERSION;
strcpy(Current_level_palette.next().data(), DEFAULT_LEVEL_PALETTE);
#endif
Cur_object_index = -1;
reset_objects(LevelUniqueObjectState, 1); //just one object, the player
num_groups = 0;
current_group = -1;
LevelSharedVertexState.Num_vertices = 0; // Number of vertices in global array.
Vertices.set_count(1);
LevelSharedSegmentState.Num_segments = 0; // Number of segments in global array, will get increased in med_create_segment
Segments.set_count(1);
Cursegp = imsegptridx(segment_first); // Say current segment is the only segment.
Curside = sidenum_t::WBACK; // The active side is the back side
Markedsegp = segment_none; // Say there is no marked segment.
Markedside = sidenum_t::WBACK; // Shouldn't matter since Markedsegp == 0, but just in case...
for (int s=0;s<MAX_GROUPS+1;s++) {
GroupList[s].clear();
Groupsegp[s] = NULL;
}
Groupside = {};
LevelSharedRobotcenterState.Num_robot_centers = 0;
wall_init(LevelUniqueWallSubsystemState);
auto &Triggers = LevelUniqueWallSubsystemState.Triggers;
Triggers.set_count(0);
// Create New_segment, which is the segment we will be adding at each instance.
med_create_new_segment({DEFAULT_X_SIZE, DEFAULT_Y_SIZE, DEFAULT_Z_SIZE}); // New_segment = Segments[0];
// med_create_segment(Segments,0,0,0,DEFAULT_X_SIZE,DEFAULT_Y_SIZE,DEFAULT_Z_SIZE,vm_mat_make(&m1,F1_0,0,0,0,F1_0,0,0,0,F1_0));
med_create_segment(vmsegptridx(segment_first), 0, 0, 0, DEFAULT_X_SIZE, DEFAULT_Y_SIZE, DEFAULT_Z_SIZE, m1);
Found_segs.clear();
Selected_segs.clear();
Warning_segs.clear();
//--repair-- create_local_segment_data();
ControlCenterTriggers.num_links = 0;
create_new_mission();
//editor_status("New mine created.");
return 0; // say no error
}
}
int Errors_in_mine;
namespace dsx {
namespace {
// -----------------------------------------------------------------------------
#if defined(DXX_BUILD_DESCENT_II)
static unsigned compute_num_delta_light_records(fvcdlindexptr &vcdlindexptr)
{
unsigned total = 0;
range_for (const auto &&i, vcdlindexptr)
total += i->count;
return total;
}
#endif
// -----------------------------------------------------------------------------
// Save game
static int save_game_data(
#if defined(DXX_BUILD_DESCENT_II)
const d_level_shared_destructible_light_state &LevelSharedDestructibleLightState,
#endif
PHYSFS_File *SaveFile)
{
auto &Objects = LevelUniqueObjectState.Objects;
auto &vcobjptr = Objects.vcptr;
auto &RobotCenters = LevelSharedRobotcenterState.RobotCenters;
#if defined(DXX_BUILD_DESCENT_I)
short game_top_fileinfo_version = Gamesave_current_version >= 5 ? 31 : GAME_VERSION;
#elif defined(DXX_BUILD_DESCENT_II)
short game_top_fileinfo_version = Gamesave_current_version >= 5 ? 31 : 25;
int dl_indices_offset=0, delta_light_offset=0;
#endif
int player_offset=0, object_offset=0, walls_offset=0, doors_offset=0, triggers_offset=0, control_offset=0, matcen_offset=0; //, links_offset;
int offset_offset=0, end_offset=0;
//===================== SAVE FILE INFO ========================
PHYSFS_writeSLE16(SaveFile, 0x6705); // signature
PHYSFS_writeSLE16(SaveFile, game_top_fileinfo_version);
PHYSFS_writeSLE32(SaveFile, 0);
PHYSFS_write(SaveFile, Current_level_name.line(), 15, 1);
PHYSFS_writeSLE32(SaveFile, Current_level_num);
offset_offset = PHYSFS_tell(SaveFile); // write the offsets later
PHYSFS_writeSLE32(SaveFile, -1);
PHYSFS_writeSLE32(SaveFile, 0);
#define WRITE_HEADER_ENTRY(t, n) do { PHYSFS_writeSLE32(SaveFile, -1); PHYSFS_writeSLE32(SaveFile, n); PHYSFS_writeSLE32(SaveFile, sizeof(t)); } while(0)
WRITE_HEADER_ENTRY(object, Objects.get_count());
auto &Walls = LevelUniqueWallSubsystemState.Walls;
WRITE_HEADER_ENTRY(wall, Walls.get_count());
auto &ActiveDoors = LevelUniqueWallSubsystemState.ActiveDoors;
WRITE_HEADER_ENTRY(active_door, ActiveDoors.get_count());
auto &Triggers = LevelUniqueWallSubsystemState.Triggers;
WRITE_HEADER_ENTRY(trigger, Triggers.get_count());
WRITE_HEADER_ENTRY(0, 0); // links (removed by Parallax)
WRITE_HEADER_ENTRY(control_center_triggers, 1);
const auto Num_robot_centers = LevelSharedRobotcenterState.Num_robot_centers;
WRITE_HEADER_ENTRY(matcen_info, Num_robot_centers);
#if defined(DXX_BUILD_DESCENT_II)
unsigned num_delta_lights = 0;
if (game_top_fileinfo_version >= 29)
{
auto &Dl_indices = LevelSharedDestructibleLightState.Dl_indices;
const unsigned Num_static_lights = Dl_indices.get_count();
WRITE_HEADER_ENTRY(dl_index, Num_static_lights);
WRITE_HEADER_ENTRY(delta_light, num_delta_lights = compute_num_delta_light_records(Dl_indices.vcptr));
}
// Write the mine name
if (game_top_fileinfo_version >= 31)
#endif
PHYSFSX_printf(SaveFile, "%s\n", static_cast<const char *>(Current_level_name));
#if defined(DXX_BUILD_DESCENT_II)
else if (game_top_fileinfo_version >= 14)
PHYSFSX_writeString(SaveFile, Current_level_name);
if (game_top_fileinfo_version >= 19)
#endif
{
const auto N_polygon_models = LevelSharedPolygonModelState.N_polygon_models;
PHYSFS_writeSLE16(SaveFile, N_polygon_models);
range_for (auto &i, partial_const_range(LevelSharedPolygonModelState.Pof_names, N_polygon_models))
PHYSFS_write(SaveFile, &i, sizeof(i), 1);
}
//==================== SAVE PLAYER INFO ===========================
player_offset = PHYSFS_tell(SaveFile);
//==================== SAVE OBJECT INFO ===========================
object_offset = PHYSFS_tell(SaveFile);
range_for (const auto &&objp, vcobjptr)
{
write_object(objp, game_top_fileinfo_version, SaveFile);
}
//==================== SAVE WALL INFO =============================
walls_offset = PHYSFS_tell(SaveFile);
auto &vcwallptr = Walls.vcptr;
range_for (const auto &&w, vcwallptr)
wall_write(SaveFile, *w, game_top_fileinfo_version);
//==================== SAVE TRIGGER INFO =============================
triggers_offset = PHYSFS_tell(SaveFile);
auto &vctrgptr = Triggers.vcptr;
range_for (const auto vt, vctrgptr)
{
auto &t = *vt;
if (game_top_fileinfo_version <= 29)
v29_trigger_write(SaveFile, t);
else if (game_top_fileinfo_version <= 30)
v30_trigger_write(SaveFile, t);
else if (game_top_fileinfo_version >= 31)
v31_trigger_write(SaveFile, t);
}
//================ SAVE CONTROL CENTER TRIGGER INFO ===============
control_offset = PHYSFS_tell(SaveFile);
control_center_triggers_write(ControlCenterTriggers, SaveFile);
//================ SAVE MATERIALIZATION CENTER TRIGGER INFO ===============
matcen_offset = PHYSFS_tell(SaveFile);
range_for (auto &r, partial_const_range(RobotCenters, Num_robot_centers))
matcen_info_write(SaveFile, r, game_top_fileinfo_version);
//================ SAVE DELTA LIGHT INFO ===============
#if defined(DXX_BUILD_DESCENT_II)
if (game_top_fileinfo_version >= 29)
{
dl_indices_offset = PHYSFS_tell(SaveFile);
auto &Dl_indices = LevelSharedDestructibleLightState.Dl_indices;
range_for (const auto &&i, Dl_indices.vcptr)
dl_index_write(i, SaveFile);
delta_light_offset = PHYSFS_tell(SaveFile);
auto &Delta_lights = LevelSharedDestructibleLightState.Delta_lights;
range_for (auto &i, partial_const_range(Delta_lights, num_delta_lights))
delta_light_write(&i, SaveFile);
}
#endif
//============= SAVE OFFSETS ===============
end_offset = PHYSFS_tell(SaveFile);
// Update the offset fields
#define WRITE_OFFSET(o, n) do { PHYSFS_seek(SaveFile, offset_offset); PHYSFS_writeSLE32(SaveFile, o ## _offset); offset_offset += sizeof(int)*n; } while (0)
WRITE_OFFSET(player, 2);
WRITE_OFFSET(object, 3);
WRITE_OFFSET(walls, 3);
WRITE_OFFSET(doors, 3);
WRITE_OFFSET(triggers, 6);
WRITE_OFFSET(control, 3);
WRITE_OFFSET(matcen, 3);
#if defined(DXX_BUILD_DESCENT_II)
if (game_top_fileinfo_version >= 29)
{
WRITE_OFFSET(dl_indices, 3);
WRITE_OFFSET(delta_light, 0);
}
#endif
// Go back to end of data
PHYSFS_seek(SaveFile, end_offset);
return 0;
}
// -----------------------------------------------------------------------------
// Save game
static int save_level_sub(
#if defined(DXX_BUILD_DESCENT_II)
const d_level_shared_destructible_light_state &LevelSharedDestructibleLightState,
#endif
fvmobjptridx &vmobjptridx, const char *const filename)
{
auto &LevelSharedVertexState = LevelSharedSegmentState.get_vertex_state();
auto &Objects = LevelUniqueObjectState.Objects;
auto &Vertices = LevelSharedVertexState.get_vertices();
auto &vmobjptr = Objects.vmptr;
char temp_filename[PATH_MAX];
int minedata_offset=0,gamedata_offset=0;
// if ( !compiled_version )
{
write_game_text_file(filename);
if (Errors_in_mine) {
if (is_real_level(filename)) {
gr_palette_load(gr_palette);
if (nm_messagebox(menu_title{nullptr}, 2, "Cancel Save", "Save", "Warning: %i errors in this mine!\n", Errors_in_mine )!=1) {
return 1;
}
}
}
// change_filename_extension(temp_filename,filename,".LVL");
}
// else
{
#if defined(DXX_BUILD_DESCENT_II)
if (Gamesave_current_version > 3)
change_filename_extension(temp_filename, filename, "." D2X_LEVEL_FILE_EXTENSION);
else
#endif
change_filename_extension(temp_filename, filename, "." D1X_LEVEL_FILE_EXTENSION);
}
auto &&[SaveFile, physfserr] = PHYSFSX_openWriteBuffered(temp_filename);
if (!SaveFile)
{
gr_palette_load(gr_palette);
nm_messagebox(menu_title{nullptr}, 1, TXT_OK, "ERROR: Cannot write to '%s'.\n%s", temp_filename, PHYSFS_getErrorByCode(physfserr));
return 1;
}
if (Current_level_name[0] == 0)
strcpy(Current_level_name.next().data(),"Untitled");
clear_transient_objects(1); //1 means clear proximity bombs
compress_objects(); //after this, Highest_object_index == num objects
//make sure player is in a segment
{
const auto &&plr = vmobjptridx(vcplayerptr(0u)->objnum);
if (update_object_seg(vmobjptr, LevelSharedSegmentState, LevelUniqueSegmentState, plr) == 0)
{
if (plr->segnum > Highest_segment_index)
plr->segnum = segment_first;
auto &vcvertptr = Vertices.vcptr;
compute_segment_center(vcvertptr, plr->pos, vcsegptr(plr->segnum));
}
}
fix_object_segs();
//Write the header
PHYSFS_writeSLE32(SaveFile, MAKE_SIG('P','L','V','L'));
PHYSFS_writeSLE32(SaveFile, Gamesave_current_version);
//save placeholders
PHYSFS_writeSLE32(SaveFile, minedata_offset);
PHYSFS_writeSLE32(SaveFile, gamedata_offset);
#if defined(DXX_BUILD_DESCENT_I)
int hostagetext_offset = 0;
PHYSFS_writeSLE32(SaveFile, hostagetext_offset);
#endif
//Now write the damn data
#if defined(DXX_BUILD_DESCENT_II)
if (Gamesave_current_version >= 8)
{
//write the version 8 data (to make file unreadable by 1.0 & 1.1)
PHYSFS_writeSLE32(SaveFile, GameTime64);
PHYSFS_writeSLE16(SaveFile, d_tick_count);
PHYSFSX_writeU8(SaveFile, FrameTime);
}
if (Gamesave_current_version < 5)
PHYSFS_writeSLE32(SaveFile, -1); //was hostagetext_offset
// Write the palette file name
if (Gamesave_current_version > 1)
PHYSFSX_printf(SaveFile, "%s\n", static_cast<const char *>(Current_level_palette));
if (Gamesave_current_version >= 3)
PHYSFS_writeSLE32(SaveFile, LevelSharedControlCenterState.Base_control_center_explosion_time);
if (Gamesave_current_version >= 4)
PHYSFS_writeSLE32(SaveFile, LevelSharedControlCenterState.Reactor_strength);
if (Gamesave_current_version >= 7)
{
const auto Num_flickering_lights = Flickering_light_state.Num_flickering_lights;
PHYSFS_writeSLE32(SaveFile, Num_flickering_lights);
range_for (auto &i, partial_const_range(Flickering_light_state.Flickering_lights, Num_flickering_lights))
flickering_light_write(i, SaveFile);
}
if (Gamesave_current_version >= 6)
{
PHYSFS_writeSLE32(SaveFile, LevelSharedSegmentState.Secret_return_segment);
auto &Secret_return_orient = LevelSharedSegmentState.Secret_return_orient;
PHYSFSX_writeVector(SaveFile, Secret_return_orient.rvec);
PHYSFSX_writeVector(SaveFile, Secret_return_orient.fvec);
PHYSFSX_writeVector(SaveFile, Secret_return_orient.uvec);
}
#endif
minedata_offset = PHYSFS_tell(SaveFile);
save_mine_data_compiled(SaveFile);
gamedata_offset = PHYSFS_tell(SaveFile);
save_game_data(
#if defined(DXX_BUILD_DESCENT_II)
LevelSharedDestructibleLightState,
#endif
SaveFile);
#if defined(DXX_BUILD_DESCENT_I)
hostagetext_offset = PHYSFS_tell(SaveFile);
#endif
PHYSFS_seek(SaveFile, sizeof(int) + sizeof(Gamesave_current_version));
PHYSFS_writeSLE32(SaveFile, minedata_offset);
PHYSFS_writeSLE32(SaveFile, gamedata_offset);
#if defined(DXX_BUILD_DESCENT_I)
PHYSFS_writeSLE32(SaveFile, hostagetext_offset);
#elif defined(DXX_BUILD_DESCENT_II)
if (Gamesave_current_version < 5)
PHYSFS_writeSLE32(SaveFile, PHYSFS_fileLength(SaveFile));
#endif
//==================== CLOSE THE FILE =============================
// if ( !compiled_version )
{
if (EditorWindow)
editor_status_fmt("Saved mine %s, \"%s\"", filename, static_cast<const char *>(Current_level_name));
}
return 0;
}
}
int save_level(
#if defined(DXX_BUILD_DESCENT_II)
const d_level_shared_destructible_light_state &LevelSharedDestructibleLightState,
#endif
const char * filename)
{
auto &Objects = LevelUniqueObjectState.Objects;
auto &vmobjptridx = Objects.vmptridx;
int r1;
// Save compiled version...
r1 = save_level_sub(
#if defined(DXX_BUILD_DESCENT_II)
LevelSharedDestructibleLightState,
#endif
vmobjptridx, filename);
return r1;
}
}
#endif //EDITOR
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