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seg000.c
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/*
SDLPoP, a port/conversion of the DOS game Prince of Persia.
Copyright (C) 2013-2015 Dávid Nagy
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
The authors of this program may be contacted at http://forum.princed.org
*/
#include "common.h"
#include <fcntl.h>
#include <setjmp.h>
// data:009C
word cheats_enabled = 0;
#ifdef USE_EDITOR
word editor_enabled = 0;
word editor_active = 0;
#endif
// data:461E
dat_type * dathandle;
// data:4C08
word need_redraw_because_flipped;
// seg000:0000
void far pop_main() {
// debug only: check that the sequence table deobfuscation did not mess things up
#ifdef CHECK_SEQTABLE_MATCHES_ORIGINAL
check_seqtable_matches_original();
#endif
#ifdef USE_EDITOR
editor_enabled = check_param("edit") != NULL;
#endif
load_options();
apply_seqtbl_patches();
char sprintf_temp[100];
int i;
dathandle = open_dat("PRINCE.DAT", 0);
/*video_mode =*/ parse_grmode();
init_timer(60);
parse_cmdline_sound();
set_hc_pal();
current_target_surface = rect_sthg(onscreen_surface_, &screen_rect);
show_loading();
set_joy_mode();
cheats_enabled = check_param("megahit") != NULL;
#ifdef __DEBUG__
cheats_enabled = 1; // debug
#endif
#ifdef USE_EDITOR
if (editor_enabled) cheats_enabled = 1;
#endif
draw_mode = check_param("draw") != NULL && cheats_enabled;
demo_mode = check_param("demo") != NULL;
init_copyprot_dialog();
#ifdef USE_REPLAY
init_record_replay();
#endif
if (cheats_enabled
#ifdef USE_REPLAY
|| recording
#endif
) {
for (i = 14; i >= 0; --i) {
snprintf(sprintf_temp, sizeof(sprintf_temp), "%d", i);
if (check_param(sprintf_temp)) {
start_level = i;
break;
}
}
}
init_game_main();
}
byte* level_var_palettes;
// seg000:024F
void __pascal far init_game_main() {
doorlink1_ad = /*&*/level.doorlinks1;
doorlink2_ad = /*&*/level.doorlinks2;
prandom(1);
if (graphics_mode == gmMcgaVga) {
// Guard palettes
guard_palettes = (byte*) load_from_opendats_alloc(10, "bin", NULL, NULL);
// (blood, hurt flash) #E00030 = red
set_pal(12, 0x38, 0x00, 0x0C, 1);
// (palace wall pattern) #C09850 = light brown
set_pal( 6, 0x30, 0x26, 0x14, 0);
// Level color variations (1.3)
level_var_palettes = load_from_opendats_alloc(20, "bin", NULL, NULL);
}
// PRINCE.DAT: sword
chtab_addrs[id_chtab_0_sword] = load_sprites_from_file(700, 1<<2, 1);
// PRINCE.DAT: flame, sword on floor, potion
chtab_addrs[id_chtab_1_flameswordpotion] = load_sprites_from_file(150, 1<<3, 1);
close_dat(dathandle);
load_sounds(0, 43);
load_opt_sounds(43, 56); //added
hof_read();
show_use_fixes_and_enhancements_prompt(); // added
start_game();
}
// data:02C2
word first_start = 1;
// data:4C38
jmp_buf setjmp_buf;
// seg000:0358
void __pascal far start_game() {
#ifdef USE_COPYPROT
word which_entry;
word pos;
word entry_used[40];
byte letts_used[26];
#endif
screen_updates_suspended = 0;
// Prevent filling of stack.
// start_game is called from many places to restart the game, for example:
// process_key, play_frame, draw_game_frame, play_level, control_kid, end_sequence, expired
if (first_start) {
first_start = 0;
setjmp(/*&*/setjmp_buf);
} else {
draw_rect(&screen_rect, 0);
show_quotes();
clear_screen_and_sounds();
longjmp(/*&*/setjmp_buf,-1);
}
release_title_images(); // added
free_optsnd_chtab(); // added
#ifdef USE_COPYPROT
copyprot_plac = prandom(13);
memset(&entry_used, 0, sizeof(entry_used));
memset(&letts_used, 0, sizeof(letts_used));
for (pos = 0; pos < 14; ++pos) {
do {
if (pos == copyprot_plac) {
which_entry = copyprot_idx = prandom(39);
} else {
which_entry = prandom(39);
}
} while (entry_used[which_entry] || letts_used[copyprot_letter[which_entry]-'A']);
cplevel_entr[pos] = which_entry;
entry_used[which_entry] = 1;
letts_used[copyprot_letter[which_entry]-'A'] = 1;
}
#endif
if (start_level == 0) {
#ifdef USE_EDITOR
editor_active = 0;
#endif
show_title();
} else {
init_game(start_level);
}
}
#ifdef USE_QUICKSAVE
// All these functions return true on success, false otherwise.
FILE* quick_fp;
int process_save(void* data, size_t data_size) {
return fwrite(data, data_size, 1, quick_fp) == 1;
}
int process_load(void* data, size_t data_size) {
return fread(data, data_size, 1, quick_fp) == 1;
}
typedef int process_func_type(void* data, size_t data_size);
int quick_process(process_func_type process_func) {
int ok = 1;
#define process(x) ok = ok && process_func(&(x), sizeof(x))
// level
process(level);
process(checkpoint);
process(upside_down);
process(drawn_room);
process(current_level);
process(next_level);
process(mobs_count);
process(mobs);
process(trobs_count);
process(trobs);
process(leveldoor_open);
//process(exit_room_timer);
// kid
process(Kid);
process(hitp_curr);
process(hitp_max);
process(hitp_beg_lev);
process(grab_timer);
process(holding_sword);
process(united_with_shadow);
process(have_sword);
/*process(ctrl1_forward);
process(ctrl1_backward);
process(ctrl1_up);
process(ctrl1_down);
process(ctrl1_shift2);*/
process(kid_sword_strike);
process(pickup_obj_type);
process(offguard);
// guard
process(Guard);
process(Char);
process(Opp);
process(guardhp_curr);
process(guardhp_max);
process(demo_index);
process(demo_time);
process(curr_guard_color);
process(guard_notice_timer);
process(guard_skill);
process(shadow_initialized);
process(guard_refrac);
process(justblocked);
process(droppedout);
// collision
process(curr_row_coll_room);
process(curr_row_coll_flags);
process(below_row_coll_room);
process(below_row_coll_flags);
process(above_row_coll_room);
process(above_row_coll_flags);
process(prev_collision_row);
// flash
process(flash_color);
process(flash_time);
// sounds
process(need_level1_music);
process(is_screaming);
process(is_feather_fall);
process(last_loose_sound);
//process(next_sound);
//process(current_sound);
// random
process(random_seed);
// remaining time
process(rem_min);
process(rem_tick);
// saved controls
process(control_x);
process(control_y);
process(control_shift);
process(control_forward);
process(control_backward);
process(control_up);
process(control_down);
process(control_shift2);
process(ctrl1_forward);
process(ctrl1_backward);
process(ctrl1_up);
process(ctrl1_down);
process(ctrl1_shift2);
#undef process
return ok;
}
const char* quick_file = "QUICKSAVE.SAV";
const char quick_version[] = "V1.16b4 ";
char quick_control[] = "........";
int quick_save() {
int ok = 0;
quick_fp = fopen(quick_file, "wb");
if (quick_fp != NULL) {
process_save((void*) quick_version, COUNT(quick_version));
ok = quick_process(process_save);
fclose(quick_fp);
quick_fp = NULL;
}
return ok;
}
void restore_room_after_quick_load() {
int temp1 = curr_guard_color;
int temp2 = next_level;
reset_level_unused_fields(false);
load_lev_spr(current_level);
curr_guard_color = temp1;
next_level = temp2;
//need_full_redraw = 1;
different_room = 1;
next_room = drawn_room;
load_room_links();
//draw_level_first();
//gen_palace_wall_colors();
draw_game_frame(); // for falling
//redraw_screen(1); // for room_L
hitp_delta = guardhp_delta = 1; // force HP redraw
draw_hp();
loadkid_and_opp();
// Get rid of "press button" message if kid was dead before quickload.
text_time_total = text_time_remaining = 0;
//next_sound = current_sound = -1;
exit_room_timer = 0;
}
int quick_load() {
int ok = 0;
quick_fp = fopen(quick_file, "rb");
if (quick_fp != NULL) {
// check quicksave version is compatible
process_load(quick_control, COUNT(quick_control));
if (strcmp(quick_control, quick_version) != 0) {
fclose(quick_fp);
quick_fp = NULL;
return 0;
}
stop_sounds();
start_timer(timer_0, 5); // briefly display a black screen as a visual cue
draw_rect(&screen_rect, 0);
screen_updates_suspended = 0;
request_screen_update();
screen_updates_suspended = 1;
word old_rem_min = rem_min;
word old_rem_tick = rem_tick;
ok = quick_process(process_load);
fclose(quick_fp);
quick_fp = NULL;
restore_room_after_quick_load();
do_wait(timer_0);
screen_updates_suspended = 0;
request_screen_update();
#ifdef USE_QUICKLOAD_PENALTY
// Subtract one minute from the remaining time (if it is above 5 minutes)
if (options.enable_quicksave_penalty) {
int ticks_elapsed = 720 * (rem_min - old_rem_min) + (rem_tick - old_rem_tick);
// don't restore time at all if the elapsed time is between 0 and 1 minutes
if (ticks_elapsed > 0 && ticks_elapsed < 720) {
rem_min = old_rem_min;
rem_tick = old_rem_tick;
}
else {
if (rem_min == 6) rem_tick = 719; // crop to "5 minutes" exactly, if hitting the threshold in <1 minute
if (rem_min > 5) --rem_min;
}
}
#endif
}
return ok;
}
int need_quick_save = 0;
int need_quick_load = 0;
void check_quick_op() {
if (!options.enable_quicksave) return;
if (need_quick_save) {
if (!is_feather_fall && quick_save()) {
display_text_bottom("QUICKSAVE");
} else {
display_text_bottom("NO QUICKSAVE");
}
need_quick_save = 0;
text_time_total = 24;
text_time_remaining = 24;
}
if (need_quick_load) {
if (quick_load()) {
display_text_bottom("QUICKLOAD");
} else {
display_text_bottom("NO QUICKLOAD");
}
need_quick_load = 0;
text_time_total = 24;
text_time_remaining = 24;
}
}
#endif // USE_QUICKSAVE
Uint32 temp_shift_release_callback(Uint32 interval, void *param) {
const Uint8* state = SDL_GetKeyboardState(NULL);
if (state[SDL_SCANCODE_LSHIFT]) key_states[SDL_SCANCODE_LSHIFT] = 1;
if (state[SDL_SCANCODE_RSHIFT]) key_states[SDL_SCANCODE_RSHIFT] = 1;
return 0; // causes the timer to be removed
}
// seg000:04CD
int __pascal far process_key() {
char sprintf_temp[80];
int key;
const char* answer_text;
word need_show_text;
need_show_text = 0;
key = key_test_quit();
if (start_level == 0) {
if (key || control_shift) {
#ifdef USE_QUICKSAVE
if (key == SDL_SCANCODE_F9) need_quick_load = 1;
#endif
#ifdef USE_REPLAY
if (key == SDL_SCANCODE_TAB) {
start_replay();
}
else
#endif
if (key == (SDL_SCANCODE_L | WITH_CTRL)) { // ctrl-L
if (!load_game()) return 0;
} else {
start_level = 1;
}
draw_rect(&screen_rect, 0);
#ifdef USE_FADE
if (is_global_fading) {
fade_palette_buffer->proc_restore_free(fade_palette_buffer);
is_global_fading = 0;
}
#endif
start_game();
}
}
// If the Kid died, enter or shift will restart the level.
if (rem_min != 0 && Kid.alive > 6 && (control_shift || key == SDL_SCANCODE_RETURN)) {
key = SDL_SCANCODE_A | WITH_CTRL; // ctrl-a
}
#ifdef USE_REPLAY
if (recording) key_press_while_recording(&key);
else if (replaying) key_press_while_replaying(&key);
#endif
if (key == 0) return 0;
if (is_keyboard_mode) clear_kbd_buf();
switch(key) {
case SDL_SCANCODE_ESCAPE: // esc
case SDL_SCANCODE_ESCAPE | WITH_SHIFT: // allow pause while grabbing
is_paused = 1;
break;
case SDL_SCANCODE_SPACE: // space
is_show_time = 1;
break;
case SDL_SCANCODE_A | WITH_CTRL: // ctrl-a
if (current_level != 15) {
stop_sounds();
is_restart_level = 1;
}
break;
case SDL_SCANCODE_G | WITH_CTRL: // ctrl-g
// CusPoP: first and last level where saving is allowed
// if (current_level > 2 && current_level < 14) { // original
if (current_level >= saving_allowed_first_level && current_level <= saving_allowed_last_level) {
save_game();
}
break;
case SDL_SCANCODE_J | WITH_CTRL: // ctrl-j
if ((sound_flags & sfDigi) && sound_mode == smTandy) {
answer_text = "JOYSTICK UNAVAILABLE";
} else {
if (set_joy_mode()) {
answer_text = "JOYSTICK MODE";
} else {
answer_text = "JOYSTICK NOT FOUND";
}
}
need_show_text = 1;
break;
case SDL_SCANCODE_K | WITH_CTRL: // ctrl-k
answer_text = "KEYBOARD MODE";
is_joyst_mode = 0;
is_keyboard_mode = 1;
need_show_text = 1;
break;
case SDL_SCANCODE_R | WITH_CTRL: // ctrl-r
start_level = 0;
start_game();
break;
case SDL_SCANCODE_S | WITH_CTRL: // ctrl-s
turn_sound_on_off((!is_sound_on) * 15);
answer_text = "SOUND OFF";
if (is_sound_on) {
answer_text = "SOUND ON";
}
//
need_show_text = 1;
break;
case SDL_SCANCODE_V | WITH_CTRL: // ctrl-v
#ifdef USE_EDITOR
//editor uses ctrl+v for pasting
if (!editor_enabled) {
#endif
answer_text = "PRINCE OF PERSIA V1.0";
need_show_text = 1;
#ifdef USE_EDITOR
}
#endif
break;
case SDL_SCANCODE_L | WITH_SHIFT: // shift-l
if (current_level <= 3 || cheats_enabled) {
// if shift is not released within the delay, the cutscene is skipped
Uint32 delay = 250;
key_states[SDL_SCANCODE_LSHIFT] = 0;
key_states[SDL_SCANCODE_RSHIFT] = 0;
SDL_TimerID timer;
timer = SDL_AddTimer(delay, temp_shift_release_callback, NULL);
if (timer == 0) {
sdlperror("SDL_AddTimer");
quit(1);
}
if (current_level == 14) {
next_level = 1;
} else {
if (current_level == 15 && cheats_enabled) {
#ifdef USE_COPYPROT
if (options.enable_copyprot) {
next_level = copyprot_level;
copyprot_level = -1;
}
#endif
} else {
next_level = current_level + 1;
if (!cheats_enabled && rem_min > 15) {
rem_min = 15;
rem_tick = 719;
}
}
}
stop_sounds();
}
break;
#ifdef USE_QUICKSAVE
case SDL_SCANCODE_F6:
case SDL_SCANCODE_F6 | WITH_SHIFT:
if (Kid.alive < 0) need_quick_save = 1;
break;
case SDL_SCANCODE_F9:
case SDL_SCANCODE_F9 | WITH_SHIFT:
need_quick_load = 1;
break;
#ifdef USE_REPLAY
case SDL_SCANCODE_TAB | WITH_CTRL:
case SDL_SCANCODE_TAB | WITH_CTRL | WITH_SHIFT:
if (recording) { // finished recording
stop_recording();
}
else { // should start recording
start_recording();
}
break;
#endif // USE_RECORD_REPLAY
#endif // USE_QUICKSAVE
}
#ifdef USE_EDITOR
editor__process_key(key,&answer_text,&need_show_text);
#endif // USE_EDITOR
if (cheats_enabled) {
switch (key) {
case SDL_SCANCODE_C: // c
snprintf(sprintf_temp, sizeof(sprintf_temp), "S%d L%d R%d A%d B%d", drawn_room, room_L, room_R, room_A, room_B);
answer_text = /*&*/sprintf_temp;
need_show_text = 1;
break;
case SDL_SCANCODE_C | WITH_SHIFT: // shift-c
snprintf(sprintf_temp, sizeof(sprintf_temp), "AL%d AR%d BL%d BR%d", room_AL, room_AR, room_BL, room_BR);
answer_text = /*&*/sprintf_temp;
need_show_text = 1;
break;
case SDL_SCANCODE_MINUS:
case SDL_SCANCODE_KP_MINUS: // '-' --> subtract time cheat
if (rem_min > 1) --rem_min;
text_time_total = 0;
text_time_remaining = 0;
is_show_time = 1;
break;
case SDL_SCANCODE_EQUALS | WITH_SHIFT: // '+'
case SDL_SCANCODE_KP_PLUS: // '+' --> add time cheat
++rem_min;
text_time_total = 0;
text_time_remaining = 0;
is_show_time = 1;
break;
case SDL_SCANCODE_R: // R --> revive kid cheat
if (Kid.alive > 0) {
resurrect_time = 20;
Kid.alive = -1;
erase_bottom_text(1);
}
break;
case SDL_SCANCODE_K: // K --> kill guard cheat
guardhp_delta = -guardhp_curr;
Guard.alive = 0;
break;
case SDL_SCANCODE_I | WITH_SHIFT: // shift+I --> invert cheat
toggle_upside();
break;
case SDL_SCANCODE_W | WITH_SHIFT: // shift+W --> feather fall cheat
feather_fall();
break;
case SDL_SCANCODE_H: // H --> view room to the left
draw_guard_hp(0, 10);
next_room = room_L;
break;
case SDL_SCANCODE_J: // J --> view room to the right
draw_guard_hp(0, 10);
next_room = room_R;
break;
case SDL_SCANCODE_U: // U --> view room above
draw_guard_hp(0, 10);
next_room = room_A;
break;
case SDL_SCANCODE_N: // N --> view room below
draw_guard_hp(0, 10);
next_room = room_B;
break;
case SDL_SCANCODE_B | WITH_SHIFT: // shift-b
is_blind_mode = !is_blind_mode;
if (is_blind_mode) {
draw_rect(&rect_top, 0);
} else {
need_full_redraw = 1;
}
break;
case SDL_SCANCODE_S | WITH_SHIFT: // shift-s
if (hitp_curr != hitp_max) {
play_sound(sound_33_small_potion); // small potion (cheat)
hitp_delta = 1;
flash_color = 4; // red
flash_time = 2;
}
break;
case SDL_SCANCODE_T | WITH_SHIFT: // shift-t
play_sound(sound_30_big_potion); // big potion (cheat)
flash_color = 4; // red
flash_time = 4;
add_life();
break;
#ifdef USE_DEBUG_CHEATS
case SDL_SCANCODE_T:
printf("Remaining minutes: %d\tticks:%d\n", rem_min, rem_tick);
snprintf(sprintf_temp, sizeof(sprintf_temp), "M:%d S:%d T:%d", rem_min, rem_tick / 12, rem_tick);
answer_text = sprintf_temp;
need_show_text = 1;
break;
#endif
}
}
if (need_show_text) {
display_text_bottom(answer_text);
text_time_total = 24;
text_time_remaining = 24;
}
return 1;
}
// seg000:08EB
void __pascal far play_frame() {
do_mobs();
process_trobs();
check_skel();
check_can_guard_see_kid();
// if level is restarted, return immediately
if (play_kid_frame()) return;
play_guard_frame();
if (0 == resurrect_time) {
check_sword_hurting();
check_sword_hurt();
}
check_sword_vs_sword();
do_delta_hp();
exit_room();
check_the_end();
check_guard_fallout();
if (current_level == 0) {
// Special event: level 0 running exit
if (Kid.room == 24) {
draw_rect(&screen_rect, 0);
start_level = 0;
need_quotes = 1;
start_game();
}
} else if(current_level == 6) {
// Special event: level 6 falling exit
if (roomleave_result == -2) {
Kid.y = -1;
stop_sounds();
++next_level;
}
} else if(current_level == 12) {
// Special event: level 12 running exit
if (Kid.room == 23) {
++next_level;
// Sounds must be stopped, because play_level_2() checks next_level only if there are no sounds playing.
stop_sounds();
seamless = 1;
}
}
show_time();
// expiring doesn't count on Jaffar/princess level
if (current_level < 13 && rem_min == 0) {
expired();
}
}
// seg000:09B6
void __pascal far draw_game_frame() {
short var_2;
if (need_full_redraw) {
redraw_screen(0);
need_full_redraw = 0;
} else {
if (different_room) {
drawn_room = next_room;
if (tbl_level_type[current_level]) {
gen_palace_wall_colors();
}
redraw_screen(1);
} else {
if (need_redraw_because_flipped) {
need_redraw_because_flipped = 0;
redraw_screen(0);
} else {
memset_near(&table_counts, 0, sizeof(table_counts));
draw_moving();
draw_tables();
if (is_blind_mode) {
draw_rect(&rect_top, 0);
}
if (upside_down) {
flip_screen(offscreen_surface);
}
while (drects_count--) {
copy_screen_rect(&drects[drects_count]);
}
if (upside_down) {
flip_screen(offscreen_surface);
}
drects_count = 0;
}
}
}
play_next_sound();
// Note: texts are identified by their total time!
if (text_time_remaining == 1) {
// If the text's is about to expire:
if (text_time_total == 36 || text_time_total == 288) {
// 36: died on demo/potions level
// 288: press button to continue
// In this case, restart the game.
start_level = 0;
need_quotes = 1;
start_game();
} else {
// Otherwise, just clear it.
erase_bottom_text(1);
}
} else {
if (text_time_remaining != 0 && text_time_total != 1188) {
// 1188: potions level (page/line/word) -- this one does not disappear
--text_time_remaining;
if (text_time_total == 288 && text_time_remaining < 72) {
// 288: press button to continue
// Blink the message:
var_2 = text_time_remaining % 12;
if (var_2 > 3) {
erase_bottom_text(0);
} else {
if (var_2 == 3) {
display_text_bottom("Press Button to Continue");
play_sound_from_buffer(sound_pointers[sound_38_blink]); // press button blink
}
}
}
}
}
}
// seg000:0B12
void __pascal far anim_tile_modif() {
word tilepos;
for (tilepos = 0; tilepos < 30; ++tilepos) {
switch (get_curr_tile(tilepos)) {
case tiles_10_potion:
start_anim_potion(drawn_room, tilepos);
break;
case tiles_19_torch:
case tiles_30_torch_with_debris:
start_anim_torch(drawn_room, tilepos);
break;
case tiles_22_sword:
start_anim_sword(drawn_room, tilepos);
break;
}
}
}
// seg000:0B72
void __pascal far load_sounds(int first,int last) {
dat_type* ibm_dat = NULL;
dat_type* digi1_dat = NULL;
// dat_type* digi2_dat = NULL;
dat_type* digi3_dat = NULL;
dat_type* midi_dat = NULL;
short current;
ibm_dat = open_dat("IBM_SND1.DAT", 0);
if (sound_flags & sfDigi) {
digi1_dat = open_dat("DIGISND1.DAT", 0);
// digi2_dat = open_dat("DIGISND2.DAT", 0);
digi3_dat = open_dat("DIGISND3.DAT", 0);
}
if (sound_flags & sfMidi) {
midi_dat = open_dat("MIDISND1.DAT", 0);
}
#ifdef USE_MIXER
load_sound_names();
#endif
for (current = first; current <= last; ++current) {
if (sound_pointers[current] != NULL) continue;
/*if (demo_mode) {
sound_pointers[current] = decompress_sound((sound_buffer_type*) load_from_opendats_alloc(current + 10000));
} else*/ {
//sound_pointers[current] = (sound_buffer_type*) load_from_opendats_alloc(current + 10000, "bin", NULL, NULL);
//printf("overwriting sound_pointers[%d] = %p\n", current, sound_pointers[current]);
sound_pointers[current] = load_sound(current);
}
}
if (midi_dat) close_dat(midi_dat);
if (digi1_dat) close_dat(digi1_dat);
// if (digi2_dat) close_dat(digi2_dat);
if (digi3_dat) close_dat(digi3_dat);
close_dat(ibm_dat);
}
// seg000:0C5E
void __pascal far load_opt_sounds(int first,int last) {
// stub
dat_type* ibm_dat = NULL;
dat_type* digi_dat = NULL;
dat_type* midi_dat = NULL;
short current;
ibm_dat = open_dat("IBM_SND2.DAT", 0);
if (sound_flags & sfDigi) {
digi_dat = open_dat("DIGISND2.DAT", 0);
}
if (sound_flags & sfMidi) {
midi_dat = open_dat("MIDISND2.DAT", 0);
}
for (current = first; current <= last; ++current) {
//We don't free sounds, so load only once.
if (sound_pointers[current] != NULL) continue;
/*if (demo_mode) {
sound_pointers[current] = decompress_sound((sound_buffer_type*) load_from_opendats_alloc(current + 10000));
} else*/ {
//sound_pointers[current] = (sound_buffer_type*) load_from_opendats_alloc(current + 10000, "bin", NULL, NULL);
//printf("overwriting sound_pointers[%d] = %p\n", current, sound_pointers[current]);
sound_pointers[current] = load_sound(current);
}
}
if (midi_dat) close_dat(midi_dat);
if (digi_dat) close_dat(digi_dat);
close_dat(ibm_dat);
}
// data:03BA
const char*const tbl_guard_dat[] = {"GUARD.DAT", "FAT.DAT", "SKEL.DAT", "VIZIER.DAT", "SHADOW.DAT"};
// data:03C4
const char*const tbl_envir_gr[] = {"", "C", "C", "E", "E", "V"};
// data:03D0
const char*const tbl_envir_ki[] = {"DUNGEON", "PALACE"};
// seg000:0D20
void __pascal far load_lev_spr(int level) {
dat_type* dathandle;
short guardtype;
char filename[20];
dathandle = NULL;
current_level = next_level = level;
draw_rect(&screen_rect, 0);
free_optsnd_chtab();
snprintf(filename, sizeof(filename), "%s%s.DAT",
tbl_envir_gr[graphics_mode],
tbl_envir_ki[tbl_level_type[current_level]]
);
load_chtab_from_file(id_chtab_6_environment, 200, filename, 1<<5);
load_more_opt_graf(filename);
guardtype = tbl_guard_type[current_level];
if (guardtype != -1) {
if (guardtype == 0) {
dathandle = open_dat(tbl_level_type[current_level] ? "GUARD1.DAT" : "GUARD2.DAT", 0);
}
load_chtab_from_file(id_chtab_5_guard, 750, tbl_guard_dat[guardtype], 1<<8);
if (dathandle) {
close_dat(dathandle);
}
}
curr_guard_color = 0;
load_chtab_from_file(id_chtab_7_environmentwall, 360, filename, 1<<6);
// Level colors (1.3)
if (graphics_mode == gmMcgaVga && level_var_palettes != NULL) {
int level_color = tbl_level_color[current_level];
if (level_color != 0) {
byte* env_pal = level_var_palettes + 0x30*(level_color-1);
byte* wall_pal = env_pal + 0x30 * tbl_level_type[current_level];
set_pal_arr(0x50, 0x10, (rgb_type*)env_pal, 1);
set_pal_arr(0x60, 0x10, (rgb_type*)wall_pal, 1);
set_chtab_palette(chtab_addrs[id_chtab_6_environment], env_pal, 0x10);
set_chtab_palette(chtab_addrs[id_chtab_7_environmentwall], wall_pal, 0x10);
}
}
/*if (comp_skeleton[current_level])*/ {
load_opt_sounds(44, 44); // skel alive
}
/*if (comp_mirror[current_level])*/ {
load_opt_sounds(45, 45); // mirror
}
/*if (comp_chomper[current_level])*/ {
load_opt_sounds(46, 47); // something chopped, chomper
}
/*if (comp_spike[current_level])*/ {
load_opt_sounds(48, 49); // something spiked, spikes
}
}
// seg000:0E6C
void __pascal far load_level() {
#ifdef USE_EDITOR
editor__loading_dat();
#else
dat_type* dathandle;
dathandle = open_dat("LEVELS.DAT", 0);
load_from_opendats_to_area(current_level + 2000, &level, sizeof(level), "bin");
close_dat(dathandle);
#endif
alter_mods_allrm();
reset_level_unused_fields(true); // added
}
void reset_level_unused_fields(bool loading_clean_level) {
// Entirely unused fields in the level format: reset to zero for now
// They can be repurposed to add new stuff to the level format in the future
memset(level.roomxs, 0, sizeof(level.roomxs));
memset(level.roomys, 0, sizeof(level.roomys));
memset(level.fill_1, 0, sizeof(level.fill_1));
memset(level.fill_2, 0, sizeof(level.fill_2));
memset(level.fill_3, 0, sizeof(level.fill_3));
// For these fields, only use the bits that are actually used, and set the rest to zero.
// Good for repurposing the unused bits in the future.
int i;
for (i = 0; i < level.used_rooms; ++i) {
//level.guards_dir[i] &= 0x01; // 1 bit in use
level.guards_skill[i] &= 0x0F; // 4 bits in use
}
// In savestates, additional information may be stored (e.g. remembered guard hp) - should not reset this then!
if (loading_clean_level) {
for (i = 0; i < level.used_rooms; ++i) {
level.guards_color[i] &= 0x0F; // 4 bits in use (other 4 bits repurposed as remembered guard hp)
}
}
}