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dxx-rebirth/similar/main/game.cpp

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/*
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.
*/
/*
*
* Game loop for Inferno
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <SDL.h>
#ifdef OGL
#include "ogl_init.h"
#endif
#include "pstypes.h"
#include "console.h"
#include "gr.h"
#include "inferno.h"
#include "game.h"
#include "key.h"
#include "object.h"
#include "physics.h"
#include "dxxerror.h"
#include "joy.h"
#include "iff.h"
#include "pcx.h"
#include "timer.h"
#include "render.h"
#include "laser.h"
#include "screens.h"
#include "textures.h"
#include "slew.h"
#include "gauges.h"
#include "texmap.h"
#include "3d.h"
#include "effects.h"
#include "menu.h"
#include "gameseg.h"
#include "wall.h"
#include "ai.h"
#include "fuelcen.h"
#include "digi.h"
#include "u_mem.h"
#include "palette.h"
#include "morph.h"
#include "lighting.h"
#include "newdemo.h"
#include "collide.h"
#include "weapon.h"
#include "sounds.h"
#include "args.h"
#include "gameseq.h"
#include "automap.h"
#include "text.h"
#include "powerup.h"
#include "fireball.h"
#include "newmenu.h"
#include "gamefont.h"
#include "endlevel.h"
#include "kconfig.h"
#include "mouse.h"
#include "switch.h"
#include "controls.h"
#include "songs.h"
#include "rbaudio.h"
#include "multi.h"
#include "cntrlcen.h"
#include "pcx.h"
#include "state.h"
#include "piggy.h"
#include "multibot.h"
#include "fvi.h"
#include "ai.h"
#include "robot.h"
#include "playsave.h"
#include "maths.h"
#include "hudmsg.h"
#if defined(DXX_BUILD_DESCENT_II)
#include "gamepal.h"
#include "movie.h"
#endif
#include "event.h"
#include "window.h"
#ifdef EDITOR
#include "editor/editor.h"
#include "editor/esegment.h"
#endif
#ifndef NDEBUG
int Mark_count = 0; // number of debugging marks set
#endif
static fix64 last_timer_value=0;
fix ThisLevelTime=0;
grs_canvas Screen_3d_window; // The rectangle for rendering the mine to
int force_cockpit_redraw=0;
int PaletteRedAdd, PaletteGreenAdd, PaletteBlueAdd;
#ifdef EDITOR
//flag for whether initial fade-in has been done
char faded_in;
#endif
int Game_suspended=0; //if non-zero, nothing moves but player
fix64 Auto_fire_fusion_cannon_time = 0;
fix Fusion_charge = 0;
int Game_mode = GM_GAME_OVER;
int Global_laser_firing_count = 0;
int Global_missile_firing_count = 0;
fix64 Next_flare_fire_time = 0;
// Function prototypes for GAME.C exclusively.
static void GameProcessFrame(void);
static void FireLaser(void);
static void powerup_grab_cheat_all(void);
#if defined(DXX_BUILD_DESCENT_II)
static void slide_textures(void);
static void flicker_lights();
#endif
// Cheats
game_cheats cheats;
// ==============================================================================================
//this is called once per game
void init_game()
{
init_objects();
init_special_effects();
init_exploding_walls();
Clear_window = 2; // do portal only window clear.
}
void reset_palette_add()
{
PaletteRedAdd = 0;
PaletteGreenAdd = 0;
PaletteBlueAdd = 0;
}
u_int32_t Game_screen_mode = SM(640,480);
//initialize the various canvases on the game screen
//called every time the screen mode or cockpit changes
void init_cockpit()
{
//Initialize the on-screen canvases
if (Screen_mode != SCREEN_GAME)
return;
if ( Screen_mode == SCREEN_EDITOR )
PlayerCfg.CockpitMode[1] = CM_FULL_SCREEN;
#ifndef OGL
#if defined(DXX_BUILD_DESCENT_II)
int HiresGFXAvailable = !GameArg.GfxSkipHiresGFX;
#endif
if ( Game_screen_mode != (HiresGFXAvailable? SM(640,480) : SM(320,200)) && PlayerCfg.CockpitMode[1] != CM_LETTERBOX) {
PlayerCfg.CockpitMode[1] = CM_FULL_SCREEN;
}
#endif
gr_set_current_canvas(NULL);
switch( PlayerCfg.CockpitMode[1] ) {
case CM_FULL_COCKPIT:
game_init_render_sub_buffers(0, 0, SWIDTH, (SHEIGHT*2)/3);
break;
case CM_REAR_VIEW:
{ int x1 = 0, y1 = 0, x2 = SWIDTH, y2 = (SHEIGHT*2)/3;
grs_bitmap *bm;
int mode = PlayerCfg.CockpitMode[1];
#if defined(DXX_BUILD_DESCENT_II)
mode += (HIRESMODE?(Num_cockpits/2):0);
#endif
PIGGY_PAGE_IN(cockpit_bitmap[mode]);
bm=&GameBitmaps[cockpit_bitmap[mode].index];
gr_bitblt_find_transparent_area(bm, &x1, &y1, &x2, &y2);
game_init_render_sub_buffers(x1*((float)SWIDTH/bm->bm_w), y1*((float)SHEIGHT/bm->bm_h), (x2-x1+1)*((float)SWIDTH/bm->bm_w), (y2-y1+2)*((float)SHEIGHT/bm->bm_h));
break;
}
case CM_FULL_SCREEN:
game_init_render_sub_buffers(0, 0, SWIDTH, SHEIGHT);
break;
case CM_STATUS_BAR:
game_init_render_sub_buffers( 0, 0, SWIDTH, (HIRESMODE?(SHEIGHT*2)/2.6:(SHEIGHT*2)/2.72) );
break;
case CM_LETTERBOX: {
int x,y,w,h;
x = 0; w = SM_W(Game_screen_mode);
h = (SM_H(Game_screen_mode) * 3) / 4; // true letterbox size (16:9)
y = (SM_H(Game_screen_mode)-h)/2;
gr_rect(x,0,w,SM_H(Game_screen_mode)-h);
gr_rect(x,SM_H(Game_screen_mode)-h,w,SM_H(Game_screen_mode));
game_init_render_sub_buffers( x, y, w, h );
break;
}
}
gr_set_current_canvas(NULL);
}
//selects a given cockpit (or lack of one). See types in game.h
void select_cockpit(cockpit_mode_t mode)
{
if (mode != PlayerCfg.CockpitMode[1]) { //new mode
PlayerCfg.CockpitMode[1]=mode;
init_cockpit();
}
}
//force cockpit redraw next time. call this if you've trashed the screen
void reset_cockpit()
{
force_cockpit_redraw=1;
last_drawn_cockpit = -1;
}
void game_init_render_sub_buffers( int x, int y, int w, int h )
{
gr_clear_canvas(0);
gr_init_sub_canvas( &Screen_3d_window, &grd_curscreen->sc_canvas, x, y, w, h );
}
//called to change the screen mode. Parameter sm is the new mode, one of
//SMODE_GAME or SMODE_EDITOR. returns mode acutally set (could be other
//mode if cannot init requested mode)
int set_screen_mode(int sm)
{
if ( (Screen_mode == sm) && !((sm==SCREEN_GAME) && (grd_curscreen->sc_mode != Game_screen_mode)) && !(sm==SCREEN_MENU) )
{
gr_set_current_canvas(NULL);
return 1;
}
#ifdef EDITOR
Canv_editor = NULL;
#endif
Screen_mode = sm;
switch( Screen_mode )
{
case SCREEN_MENU:
if (grd_curscreen->sc_mode != Game_screen_mode)
if (gr_set_mode(Game_screen_mode))
Error("Cannot set screen mode.");
break;
case SCREEN_GAME:
if (grd_curscreen->sc_mode != Game_screen_mode)
if (gr_set_mode(Game_screen_mode))
Error("Cannot set screen mode.");
break;
#ifdef EDITOR
case SCREEN_EDITOR:
if (grd_curscreen->sc_mode != SM(800,600)) {
int gr_error;
if ((gr_error=gr_set_mode(SM(800,600)))!=0) { //force into game scrren
Warning("Cannot init editor screen (error=%d)",gr_error);
return 0;
}
}
break;
#endif
#if defined(DXX_BUILD_DESCENT_II)
case SCREEN_MOVIE:
if (grd_curscreen->sc_mode != SM(MOVIE_WIDTH,MOVIE_HEIGHT)) {
if (gr_set_mode(SM(MOVIE_WIDTH,MOVIE_HEIGHT))) Error("Cannot set screen mode for game!");
gr_palette_load( gr_palette );
}
break;
#endif
default:
Error("Invalid screen mode %d",sm);
}
gr_set_current_canvas(NULL);
return 1;
}
static int time_paused=0;
void stop_time()
{
if (time_paused==0) {
fix64 time;
timer_update();
time = timer_query();
last_timer_value = time - last_timer_value;
if (last_timer_value < 0) {
last_timer_value = 0;
}
}
time_paused++;
}
void start_time()
{
time_paused--;
Assert(time_paused >= 0);
if (time_paused==0) {
fix64 time;
timer_update();
time = timer_query();
last_timer_value = time - last_timer_value;
}
}
void game_flush_inputs()
{
int dx,dy,dz;
event_flush();
key_flush();
joy_flush();
mouse_flush();
mouse_get_delta( &dx, &dy, &dz ); // Read mouse
memset(&Controls,0,sizeof(control_info));
}
/*
* timer that every sets d_tick_step true and increments d_tick_count every 1000/DESIGNATED_GAME_FPS ms.
*/
void calc_d_tick()
{
static fix timer = 0;
d_tick_step = 0;
timer += FrameTime;
if (timer >= DESIGNATED_GAME_FRAMETIME)
{
d_tick_step = 1;
d_tick_count++;
if (d_tick_count > 1000000)
d_tick_count = 0;
timer -= DESIGNATED_GAME_FRAMETIME;
}
}
void reset_time()
{
timer_update();
last_timer_value = timer_query();
}
void calc_frame_time()
{
fix64 timer_value;
fix last_frametime = FrameTime;
timer_update();
timer_value = timer_query();
FrameTime = timer_value - last_timer_value;
while (FrameTime < f1_0 / (GameCfg.VSync?MAXIMUM_FPS:GameArg.SysMaxFPS))
{
multi_do_frame(); // during long wait, keep packets flowing
if (!GameArg.SysNoNiceFPS && !GameCfg.VSync)
timer_delay(F1_0>>8);
timer_update();
timer_value = timer_query();
FrameTime = timer_value - last_timer_value;
}
if ( cheats.turbo )
FrameTime *= 2;
last_timer_value = timer_value;
if (FrameTime < 0) //if bogus frametime...
FrameTime = (last_frametime==0?1:last_frametime); //...then use time from last frame
GameTime64 += FrameTime;
calc_d_tick();
}
void move_player_2_segment(segment *seg,int side)
{
vms_vector vp;
compute_segment_center(&ConsoleObject->pos,seg);
compute_center_point_on_side(&vp,seg,side);
vm_vec_sub2(&vp,&ConsoleObject->pos);
vm_vector_2_matrix(&ConsoleObject->orient,&vp,NULL,NULL);
obj_relink( ConsoleObject-Objects, SEG_PTR_2_NUM(seg) );
}
#ifndef OGL
void save_screen_shot(int automap_flag)
{
grs_canvas *screen_canv=&grd_curscreen->sc_canvas;
static int savenum=0;
grs_canvas *temp_canv,*save_canv;
char savename[FILENAME_LEN+sizeof(SCRNS_DIR)];
palette_array_t pal;
stop_time();
if (!PHYSFSX_exists(SCRNS_DIR,0))
PHYSFS_mkdir(SCRNS_DIR); //try making directory
save_canv = grd_curcanv;
temp_canv = gr_create_canvas(screen_canv->cv_bitmap.bm_w,screen_canv->cv_bitmap.bm_h);
gr_set_current_canvas(temp_canv);
gr_ubitmap(0,0,&screen_canv->cv_bitmap);
gr_set_current_canvas(save_canv);
do
{
sprintf(savename, "%sscrn%04d.pcx",SCRNS_DIR, savenum++);
} while (PHYSFSX_exists(savename,0));
gr_set_current_canvas(NULL);
if (!automap_flag)
HUD_init_message(HM_DEFAULT, "%s 'scrn%04d.pcx'", TXT_DUMPING_SCREEN, savenum-1 );
gr_palette_read(pal); //get actual palette from the hardware
pcx_write_bitmap(savename,&temp_canv->cv_bitmap,pal);
gr_set_current_canvas(screen_canv);
gr_ubitmap(0,0,&temp_canv->cv_bitmap);
gr_free_canvas(temp_canv);
gr_set_current_canvas(save_canv);
start_time();
}
#endif
//initialize flying
void fly_init(object *obj)
{
obj->control_type = CT_FLYING;
obj->movement_type = MT_PHYSICS;
vm_vec_zero(&obj->mtype.phys_info.velocity);
vm_vec_zero(&obj->mtype.phys_info.thrust);
vm_vec_zero(&obj->mtype.phys_info.rotvel);
vm_vec_zero(&obj->mtype.phys_info.rotthrust);
}
// ------------------------------------------------------------------------------------
static void do_cloak_stuff(void)
{
int i;
for (i = 0; i < N_players; i++)
if (Players[i].flags & PLAYER_FLAGS_CLOAKED) {
if (GameTime64 > Players[i].cloak_time+CLOAK_TIME_MAX)
{
Players[i].flags &= ~PLAYER_FLAGS_CLOAKED;
if (i == Player_num) {
digi_play_sample( SOUND_CLOAK_OFF, F1_0);
if (Game_mode & GM_MULTI)
multi_send_play_sound(SOUND_CLOAK_OFF, F1_0);
maybe_drop_net_powerup(POW_CLOAK);
if ( Newdemo_state != ND_STATE_PLAYBACK )
multi_send_decloak(); // For demo recording
}
}
}
}
int FakingInvul=0;
// ------------------------------------------------------------------------------------
static void do_invulnerable_stuff(void)
{
if (Players[Player_num].flags & PLAYER_FLAGS_INVULNERABLE) {
if (GameTime64 > Players[Player_num].invulnerable_time+INVULNERABLE_TIME_MAX)
{
Players[Player_num].flags ^= PLAYER_FLAGS_INVULNERABLE;
if (FakingInvul==0)
{
digi_play_sample( SOUND_INVULNERABILITY_OFF, F1_0);
if (Game_mode & GM_MULTI)
{
multi_send_play_sound(SOUND_INVULNERABILITY_OFF, F1_0);
maybe_drop_net_powerup(POW_INVULNERABILITY);
}
}
FakingInvul=0;
}
}
}
#if defined(DXX_BUILD_DESCENT_I)
static inline void do_afterburner_stuff()
{
}
#elif defined(DXX_BUILD_DESCENT_II)
ubyte Last_afterburner_state = 0;
fix Last_afterburner_charge = 0;
fix64 Time_flash_last_played;
#define AFTERBURNER_LOOP_START ((GameArg.SndDigiSampleRate==SAMPLE_RATE_22K)?32027:(32027/2)) //20098
#define AFTERBURNER_LOOP_END ((GameArg.SndDigiSampleRate==SAMPLE_RATE_22K)?48452:(48452/2)) //25776
int Ab_scale = 4;
static void do_afterburner_stuff(void)
{
static sbyte func_play = 0;
if (!(Players[Player_num].flags & PLAYER_FLAGS_AFTERBURNER))
Afterburner_charge = 0;
if (Endlevel_sequence || Player_is_dead)
{
digi_kill_sound_linked_to_object( Players[Player_num].objnum);
if (Game_mode & GM_MULTI && func_play)
{
multi_send_sound_function (0,0);
func_play = 0;
}
}
if ((Controls.state.afterburner != Last_afterburner_state && Last_afterburner_charge) || (Last_afterburner_state && Last_afterburner_charge && !Afterburner_charge)) {
if (Afterburner_charge && Controls.state.afterburner && (Players[Player_num].flags & PLAYER_FLAGS_AFTERBURNER)) {
digi_link_sound_to_object3( SOUND_AFTERBURNER_IGNITE, Players[Player_num].objnum, 1, F1_0, i2f(256), AFTERBURNER_LOOP_START, AFTERBURNER_LOOP_END );
if (Game_mode & GM_MULTI)
{
multi_send_sound_function (3,SOUND_AFTERBURNER_IGNITE);
func_play = 1;
}
} else {
digi_kill_sound_linked_to_object( Players[Player_num].objnum);
digi_link_sound_to_object2( SOUND_AFTERBURNER_PLAY, Players[Player_num].objnum, 0, F1_0, i2f(256));
if (Game_mode & GM_MULTI)
{
multi_send_sound_function (0,0);
func_play = 0;
}
}
}
//@@if (Controls.state.afterburner && Afterburner_charge)
//@@ afterburner_shake();
Last_afterburner_state = Controls.state.afterburner;
Last_afterburner_charge = Afterburner_charge;
}
#endif
// Amount to diminish guns towards normal, per second.
#define DIMINISH_RATE 16 // gots to be a power of 2, else change the code in diminish_palette_towards_normal
//adds to rgb values for palette flash
void PALETTE_FLASH_ADD(int _dr, int _dg, int _db)
{
int maxval;
PaletteRedAdd += _dr;
PaletteGreenAdd += _dg;
PaletteBlueAdd += _db;
#if defined(DXX_BUILD_DESCENT_II)
if (Flash_effect)
maxval = 60;
else
#endif
maxval = MAX_PALETTE_ADD;
if (PaletteRedAdd > maxval)
PaletteRedAdd = maxval;
if (PaletteGreenAdd > maxval)
PaletteGreenAdd = maxval;
if (PaletteBlueAdd > maxval)
PaletteBlueAdd = maxval;
if (PaletteRedAdd < -maxval)
PaletteRedAdd = -maxval;
if (PaletteGreenAdd < -maxval)
PaletteGreenAdd = -maxval;
if (PaletteBlueAdd < -maxval)
PaletteBlueAdd = -maxval;
}
static void diminish_palette_color_toward_zero(int& palette_color_add, const int& dec_amount)
{
if (palette_color_add > 0 ) {
if (palette_color_add < dec_amount)
palette_color_add = 0;
else
palette_color_add -= dec_amount;
} else if (palette_color_add < 0 ) {
if (palette_color_add > -dec_amount )
palette_color_add = 0;
else
palette_color_add += dec_amount;
}
}
// ------------------------------------------------------------------------------------
// Diminish palette effects towards normal.
static void diminish_palette_towards_normal(void)
{
int dec_amount = 0;
float brightness_correction = 1-((float)gr_palette_get_gamma()/64); // to compensate for brightness setting of the game
// Diminish at DIMINISH_RATE units/second.
if (FrameTime < (F1_0/DIMINISH_RATE))
{
static fix diminish_timer = 0;
diminish_timer += FrameTime;
if (diminish_timer >= (F1_0/DIMINISH_RATE))
{
diminish_timer -= (F1_0/DIMINISH_RATE);
dec_amount = 1;
}
}
else
{
dec_amount = f2i(FrameTime*DIMINISH_RATE); // one second = DIMINISH_RATE counts
if (dec_amount == 0)
dec_amount++; // make sure we decrement by something
}
#if defined(DXX_BUILD_DESCENT_II)
if (Flash_effect) {
int force_do = 0;
static fix Flash_step_up_timer = 0;
// Part of hack system to force update of palette after exiting a menu.
if (Time_flash_last_played) {
force_do = 1;
PaletteRedAdd ^= 1; // Very Tricky! In gr_palette_step_up, if all stepups same as last time, won't do anything!
}
if (Time_flash_last_played + F1_0/8 < GameTime64) {
digi_play_sample( SOUND_CLOAK_OFF, Flash_effect/4);
Time_flash_last_played = GameTime64;
}
Flash_effect -= FrameTime;
Flash_step_up_timer += FrameTime;
if (Flash_effect < 0)
Flash_effect = 0;
if (force_do || (Flash_step_up_timer >= F1_0/26)) // originally time interval based on (d_rand() > 4096)
{
Flash_step_up_timer -= (F1_0/26);
if ( (Newdemo_state==ND_STATE_RECORDING) && (PaletteRedAdd || PaletteGreenAdd || PaletteBlueAdd) )
newdemo_record_palette_effect(PaletteRedAdd, PaletteGreenAdd, PaletteBlueAdd);
gr_palette_step_up( PaletteRedAdd*brightness_correction, PaletteGreenAdd*brightness_correction, PaletteBlueAdd*brightness_correction );
return;
}
}
#endif
diminish_palette_color_toward_zero(PaletteRedAdd, dec_amount);
diminish_palette_color_toward_zero(PaletteGreenAdd, dec_amount);
diminish_palette_color_toward_zero(PaletteBlueAdd, dec_amount);
if ( (Newdemo_state==ND_STATE_RECORDING) && (PaletteRedAdd || PaletteGreenAdd || PaletteBlueAdd) )
newdemo_record_palette_effect(PaletteRedAdd, PaletteGreenAdd, PaletteBlueAdd);
gr_palette_step_up( PaletteRedAdd*brightness_correction, PaletteGreenAdd*brightness_correction, PaletteBlueAdd*brightness_correction );
}
int Redsave, Bluesave, Greensave;
void palette_save(void)
{
Redsave = PaletteRedAdd; Bluesave = PaletteBlueAdd; Greensave = PaletteGreenAdd;
}
void palette_restore(void)
{
float brightness_correction = 1-((float)gr_palette_get_gamma()/64);
PaletteRedAdd = Redsave; PaletteBlueAdd = Bluesave; PaletteGreenAdd = Greensave;
gr_palette_step_up( PaletteRedAdd*brightness_correction, PaletteGreenAdd*brightness_correction, PaletteBlueAdd*brightness_correction );
#if defined(DXX_BUILD_DESCENT_II)
// Forces flash effect to fixup palette next frame.
Time_flash_last_played = 0;
#endif
}
// --------------------------------------------------------------------------------------------------
int allowed_to_fire_laser(void)
{
if (Player_is_dead) {
Global_missile_firing_count = 0;
return 0;
}
// Make sure enough time has elapsed to fire laser
if (Next_laser_fire_time > GameTime64)
return 0;
return 1;
}
int allowed_to_fire_flare(void)
{
if (Next_flare_fire_time > GameTime64)
return 0;
#if defined(DXX_BUILD_DESCENT_II)
if (Players[Player_num].energy < Weapon_info[FLARE_ID].energy_usage)
#define FLARE_BIG_DELAY (F1_0*2)
Next_flare_fire_time = GameTime64 + FLARE_BIG_DELAY;
else
#endif
Next_flare_fire_time = GameTime64 + F1_0/4;
return 1;
}
int allowed_to_fire_missile(void)
{
// Make sure enough time has elapsed to fire missile
if (Next_missile_fire_time > GameTime64)
return 0;
return 1;
}
#if defined(DXX_BUILD_DESCENT_II)
void full_palette_save(void)
{
palette_save();
reset_palette_add();
gr_palette_load( gr_palette );
}
#endif
#ifdef USE_SDLMIXER
#define EXT_MUSIC_TEXT "Jukebox/Audio CD"
#else
#define EXT_MUSIC_TEXT "Audio CD"
#endif
static int free_help(newmenu *menu, d_event *event, unused_newmenu_userdata_t *userdata)
{
if (event->type == EVENT_WINDOW_CLOSE)
{
newmenu_item *items = newmenu_get_items(menu);
d_free(items);
}
return 0;
}
void show_help()
{
int nitems = 0;
newmenu_item *m;
MALLOC(m, newmenu_item, 26);
if (!m)
return;
nm_set_item_text(& m[nitems++], TXT_HELP_ESC);
nm_set_item_text(& m[nitems++], "SHIFT-ESC\t SHOW GAME LOG");
nm_set_item_text(& m[nitems++], "F1\t THIS SCREEN");
nm_set_item_text(& m[nitems++], TXT_HELP_F2);
#if !(defined(__APPLE__) || defined(macintosh))
nm_set_item_text(& m[nitems++], "Alt-F2/F3\t SAVE/LOAD GAME");
nm_set_item_text(& m[nitems++], "Alt-Shift-F2/F3\t Fast Save");
#else
nm_set_item_text(& m[nitems++], "Alt-F2/F3 (\x85-SHIFT-s/o)\t SAVE/LOAD GAME");
nm_set_item_text(& m[nitems++], "Alt-Shift-F2/F3 (\x85-s/o)\t Quick Save/Load");
#endif
nm_set_item_text(& m[nitems++], "F3\t SWITCH COCKPIT MODES");
#if defined(DXX_BUILD_DESCENT_II)
nm_set_item_text(& m[nitems++], TXT_HELP_F4);
#endif
nm_set_item_text(& m[nitems++], TXT_HELP_F5);
nm_set_item_text(& m[nitems++], "ALT-F7\t SWITCH HUD MODES");
#if !(defined(__APPLE__) || defined(macintosh))
nm_set_item_text(& m[nitems++], TXT_HELP_PAUSE);
#else
nm_set_item_text(& m[nitems++], "Pause (\x85-P)\t Pause");
#endif
nm_set_item_text(& m[nitems++], TXT_HELP_PRTSCN);
nm_set_item_text(& m[nitems++], TXT_HELP_1TO5);
nm_set_item_text(& m[nitems++], TXT_HELP_6TO10);
#if defined(DXX_BUILD_DESCENT_II)
nm_set_item_text(& m[nitems++], "Shift-F1/F2\t Cycle left/right window");
nm_set_item_text(& m[nitems++], "Shift-F4\t GuideBot menu");
nm_set_item_text(& m[nitems++], "Alt-Shift-F4\t Rename GuideBot");
nm_set_item_text(& m[nitems++], "Shift-F5/F6\t Drop primary/secondary");
nm_set_item_text(& m[nitems++], "Shift-number\t GuideBot commands");
#endif
#if !(defined(__APPLE__) || defined(macintosh))
nm_set_item_text(& m[nitems++], "Alt-Shift-F9\t Eject Audio CD");
nm_set_item_text(& m[nitems++], "Alt-Shift-F10\t Play/Pause " EXT_MUSIC_TEXT);
nm_set_item_text(& m[nitems++], "Alt-Shift-F11/F12\t Previous/Next Song");
#else
nm_set_item_text(& m[nitems++], "\x85-E\t Eject Audio CD");
nm_set_item_text(& m[nitems++], "\x85-Up/Down\t Play/Pause " EXT_MUSIC_TEXT);
nm_set_item_text(& m[nitems++], "\x85-Left/Right\t Previous/Next Song");
#endif
#if (defined(__APPLE__) || defined(macintosh))
nm_set_item_text(& m[nitems++], "");
nm_set_item_text(& m[nitems++], "(Use \x85-# for F#. e.g. \x85-1 for F1)");
#endif
newmenu_dotiny( NULL, TXT_KEYS, nitems, m, 0, free_help, unused_newmenu_userdata );
}
void show_netgame_help()
{
int nitems = 0;
newmenu_item *m;
MALLOC(m, newmenu_item, 17);
if (!m)
return;
nm_set_item_text(& m[nitems++], "F1\t THIS SCREEN");
#if defined(DXX_BUILD_DESCENT_II)
nm_set_item_text(& m[nitems++], "ALT-0\t DROP FLAG");
#endif
#if !(defined(__APPLE__) || defined(macintosh))
nm_set_item_text(& m[nitems++], "Alt-F2/F3\t SAVE/LOAD COOP GAME");
#else
nm_set_item_text(& m[nitems++], "Alt-F2/F3 (\x85-SHIFT-s/\x85-o)\t SAVE/LOAD COOP GAME");
#endif
nm_set_item_text(& m[nitems++], "ALT-F4\t SHOW PLAYER NAMES ON HUD");
nm_set_item_text(& m[nitems++], "F7\t TOGGLE KILL LIST");
nm_set_item_text(& m[nitems++], "F8\t SEND MESSAGE");
nm_set_item_text(& m[nitems++], "(SHIFT-)F9 to F12\t (DEFINE)SEND MACRO");
nm_set_item_text(& m[nitems++], "PAUSE\t SHOW NETGAME INFORMATION");
#if (defined(__APPLE__) || defined(macintosh))
nm_set_item_text(& m[nitems++], "");
nm_set_item_text(& m[nitems++], "(Use \x85-# for F#. e.g. \x85-1 for F1)");
#endif
nm_set_item_text(& m[nitems++], "");
nm_set_item_text(& m[nitems++], "MULTIPLAYER MESSAGE COMMANDS:");
nm_set_item_text(& m[nitems++], "(*): TEXT\t SEND TEXT TO PLAYER/TEAM (*)");
nm_set_item_text(& m[nitems++], "/Handicap: (*)\t SET YOUR STARTING SHIELDS TO (*) [10-100]");
nm_set_item_text(& m[nitems++], "/move: (*)\t MOVE PLAYER (*) TO OTHER TEAM (Host-only)");
nm_set_item_text(& m[nitems++], "/kick: (*)\t KICK PLAYER (*) FROM GAME (Host-only)");
nm_set_item_text(& m[nitems++], "/KillReactor\t BLOW UP THE MINE (Host-only)");
newmenu_dotiny( NULL, TXT_KEYS, nitems, m, 0, free_help, unused_newmenu_userdata );
}
void show_newdemo_help()
{
newmenu_item *m;
int nitems = 0;
MALLOC(m, newmenu_item, 15);
if (!m)
return;
nm_set_item_text(& m[nitems++], "ESC\t QUIT DEMO PLAYBACK");
nm_set_item_text(& m[nitems++], "F1\t THIS SCREEN");
nm_set_item_text(& m[nitems++], TXT_HELP_F2);
nm_set_item_text(& m[nitems++], "F3\t SWITCH COCKPIT MODES");
nm_set_item_text(& m[nitems++], "F4\t TOGGLE PERCENTAGE DISPLAY");
nm_set_item_text(& m[nitems++], "UP\t PLAY");
nm_set_item_text(& m[nitems++], "DOWN\t PAUSE");
nm_set_item_text(& m[nitems++], "RIGHT\t ONE FRAME FORWARD");
nm_set_item_text(& m[nitems++], "LEFT\t ONE FRAME BACKWARD");
nm_set_item_text(& m[nitems++], "SHIFT-RIGHT\t FAST FORWARD");
nm_set_item_text(& m[nitems++], "SHIFT-LEFT\t FAST BACKWARD");
nm_set_item_text(& m[nitems++], "CTRL-RIGHT\t JUMP TO END");
nm_set_item_text(& m[nitems++], "CTRL-LEFT\t JUMP TO START");
#if (defined(__APPLE__) || defined(macintosh))
nm_set_item_text(& m[nitems++], "");
nm_set_item_text(& m[nitems++], "(Use \x85-# for F#. e.g. \x85-1 for F1)");
#endif
newmenu_dotiny( NULL, "DEMO PLAYBACK CONTROLS", nitems, m, 0, free_help, unused_newmenu_userdata );
}
#define LEAVE_TIME 0x4000 //how long until we decide key is down (Used to be 0x4000)
//deal with rear view - switch it on, or off, or whatever
void check_rear_view()
{
static int leave_mode;
static fix64 entry_time;
if (Newdemo_state == ND_STATE_PLAYBACK)
return;
if ( Controls.state.rear_view) { //key/button has gone down
Controls.state.rear_view = 0;
if (Rear_view) {
Rear_view = 0;
if (PlayerCfg.CockpitMode[1]==CM_REAR_VIEW) {
select_cockpit(PlayerCfg.CockpitMode[0]);
}
if (Newdemo_state == ND_STATE_RECORDING)
newdemo_record_restore_rearview();
}
else {
Rear_view = 1;
leave_mode = 0; //means wait for another key
entry_time = timer_query();
if (PlayerCfg.CockpitMode[1] == CM_FULL_COCKPIT) {
select_cockpit(CM_REAR_VIEW);
}
if (Newdemo_state == ND_STATE_RECORDING)
newdemo_record_rearview();
}
}
else
if (Controls.state.rear_view) {
if (leave_mode == 0 && (timer_query() - entry_time) > LEAVE_TIME)
leave_mode = 1;
}
else
{
if (leave_mode==1 && Rear_view) {
Rear_view = 0;
if (PlayerCfg.CockpitMode[1]==CM_REAR_VIEW) {
select_cockpit(PlayerCfg.CockpitMode[0]);
}
if (Newdemo_state == ND_STATE_RECORDING)
newdemo_record_restore_rearview();
}
}
}
void reset_rear_view(void)
{
if (Rear_view) {
if (Newdemo_state == ND_STATE_RECORDING)
newdemo_record_restore_rearview();
}
Rear_view = 0;
select_cockpit(PlayerCfg.CockpitMode[0]);
}
int Config_menu_flag;
//turns off all cheats & resets cheater flag
void game_disable_cheats()
{
memset(&cheats, 0, sizeof(cheats));
}
// game_setup()
// ----------------------------------------------------------------------------
window *game_setup(void)
{
window *game_wind;
PlayerCfg.CockpitMode[1] = PlayerCfg.CockpitMode[0];
last_drawn_cockpit = -1; // Force cockpit to redraw next time a frame renders.
Endlevel_sequence = 0;
game_wind = window_create(&grd_curscreen->sc_canvas, 0, 0, SWIDTH, SHEIGHT, game_handler, unused_window_userdata);
if (!game_wind)
return NULL;
reset_palette_add();
init_cockpit();
init_gauges();
netplayerinfo_on = 0;
#ifdef EDITOR
if (!Cursegp)
{
Cursegp = &Segments[0];
Curside = 0;
}
if (Segments[ConsoleObject->segnum].segnum == -1) //segment no longer exists
obj_relink( ConsoleObject-Objects, SEG_PTR_2_NUM(Cursegp) );
if (!check_obj_seg(ConsoleObject))
move_player_2_segment(Cursegp,Curside);
#endif
Viewer = ConsoleObject;
fly_init(ConsoleObject);
Game_suspended = 0;
reset_time();
FrameTime = 0; //make first frame zero
#ifdef EDITOR
if (Current_level_num == 0) { //not a real level
init_player_stats_game(Player_num);
init_ai_objects();
}
#endif
fix_object_segs();
return game_wind;
}
window *Game_wind = NULL;
// Event handler for the game
int game_handler(window *wind, d_event *event, unused_window_userdata_t *)
{
switch (event->type)
{
case EVENT_WINDOW_ACTIVATED:
set_screen_mode(SCREEN_GAME);
event_toggle_focus(1);
key_toggle_repeat(0);
game_flush_inputs();
if (time_paused)
start_time();
if (!((Game_mode & GM_MULTI) && (Newdemo_state != ND_STATE_PLAYBACK)))
digi_resume_digi_sounds();
if (!((Game_mode & GM_MULTI) && (Newdemo_state != ND_STATE_PLAYBACK)))
palette_restore();
reset_cockpit();
break;
case EVENT_WINDOW_DEACTIVATED:
if (!(((Game_mode & GM_MULTI) && (Newdemo_state != ND_STATE_PLAYBACK)) && (!Endlevel_sequence)) )
stop_time();
if (!((Game_mode & GM_MULTI) && (Newdemo_state != ND_STATE_PLAYBACK)))
digi_pause_digi_sounds();
if (!((Game_mode & GM_MULTI) && (Newdemo_state != ND_STATE_PLAYBACK)))
full_palette_save();
event_toggle_focus(0);
key_toggle_repeat(1);
break;
case EVENT_JOYSTICK_BUTTON_UP:
case EVENT_JOYSTICK_BUTTON_DOWN:
case EVENT_JOYSTICK_MOVED:
case EVENT_MOUSE_BUTTON_UP:
case EVENT_MOUSE_BUTTON_DOWN:
case EVENT_MOUSE_MOVED:
case EVENT_KEY_COMMAND:
case EVENT_KEY_RELEASE:
case EVENT_IDLE:
return ReadControls(event);
case EVENT_WINDOW_DRAW:
if (!time_paused)
{
calc_frame_time();
GameProcessFrame();
}
if (!Automap_active) // efficiency hack
{
if (force_cockpit_redraw) { //screen need redrawing?
init_cockpit();
force_cockpit_redraw=0;
}
game_render_frame();
}
break;
case EVENT_WINDOW_CLOSE:
digi_stop_digi_sounds();
if ( (Newdemo_state == ND_STATE_RECORDING) || (Newdemo_state == ND_STATE_PAUSED) )
newdemo_stop_recording();
multi_leave_game();
if ( Newdemo_state == ND_STATE_PLAYBACK )
newdemo_stop_playback();
songs_play_song( SONG_TITLE, 1 );
game_disable_cheats();
Game_mode = GM_GAME_OVER;
#ifdef EDITOR
if (!EditorWindow) // have to do it this way because of the necessary longjmp. Yuck.
#endif
show_menus();
Game_wind = NULL;
event_toggle_focus(0);
key_toggle_repeat(1);
break;
case EVENT_WINDOW_CLOSED:
break;
default:
break;
}
return 0;
}
// Initialise game, actually runs in main event loop
void game()
{
hide_menus();
Game_wind = game_setup();
}
//called at the end of the program
void close_game()
{
close_gauges();
restore_effect_bitmap_icons();
}
#if defined(DXX_BUILD_DESCENT_II)
object *Missile_viewer=NULL;
int Missile_viewer_sig=-1;
int Marker_viewer_num[2]={-1,-1};
int Coop_view_player[2]={-1,-1};
//returns ptr to escort robot, or NULL
object *find_escort()
{
int i;
for (i=0; i<=Highest_object_index; i++)
if (Objects[i].type == OBJ_ROBOT)
if (Robot_info[get_robot_id(&Objects[i])].companion)
return &Objects[i];
return NULL;
}
//if water or fire level, make occasional sound
static void do_ambient_sounds()
{
int has_water,has_lava;
int sound;
has_lava = (Segment2s[ConsoleObject->segnum].s2_flags & S2F_AMBIENT_LAVA);
has_water = (Segment2s[ConsoleObject->segnum].s2_flags & S2F_AMBIENT_WATER);
if (has_lava) { //has lava
sound = SOUND_AMBIENT_LAVA;
if (has_water && (d_rand() & 1)) //both, pick one
sound = SOUND_AMBIENT_WATER;
}
else if (has_water) //just water
sound = SOUND_AMBIENT_WATER;
else
return;
if (((d_rand() << 3) < FrameTime)) { //play the sound
fix volume = d_rand() + f1_0/2;
digi_play_sample(sound,volume);
}
}
#endif
void game_leave_menus(void)
{
window *wind;
if (!Game_wind)
return;
while ((wind = window_get_front()) && (wind != Game_wind)) // go through all windows and actually close them if they want to
window_close(wind);
}
void GameProcessFrame(void)
{
fix player_shields = Players[Player_num].shields;
int player_was_dead = Player_is_dead;
update_player_stats();
diminish_palette_towards_normal(); // Should leave palette effect up for as long as possible by putting right before render.
do_afterburner_stuff();
do_cloak_stuff();
do_invulnerable_stuff();
remove_obsolete_stuck_objects();
#if defined(DXX_BUILD_DESCENT_II)
init_ai_frame();
do_final_boss_frame();
if ((Players[Player_num].flags & PLAYER_FLAGS_HEADLIGHT) && (Players[Player_num].flags & PLAYER_FLAGS_HEADLIGHT_ON)) {
static int turned_off=0;
Players[Player_num].energy -= (FrameTime*3/8);
if (Players[Player_num].energy < i2f(10)) {
if (!turned_off) {
Players[Player_num].flags &= ~PLAYER_FLAGS_HEADLIGHT_ON;
turned_off = 1;
if (Game_mode & GM_MULTI)
multi_send_flags(Player_num);
}
}
else
turned_off = 0;
if (Players[Player_num].energy <= 0) {
Players[Player_num].energy = 0;
Players[Player_num].flags &= ~PLAYER_FLAGS_HEADLIGHT_ON;
if (Game_mode & GM_MULTI)
multi_send_flags(Player_num);
}
}
#endif
#ifdef EDITOR
check_create_player_path();
player_follow_path(ConsoleObject);
#endif
if (Game_mode & GM_MULTI)
{
multi_do_frame();
if (Netgame.PlayTimeAllowed && ThisLevelTime>=i2f((Netgame.PlayTimeAllowed*5*60)))
multi_check_for_killgoal_winner();
}
dead_player_frame();
if (Newdemo_state != ND_STATE_PLAYBACK)
do_controlcen_dead_frame();
#if defined(DXX_BUILD_DESCENT_II)
process_super_mines_frame();
do_seismic_stuff();
do_ambient_sounds();
#endif
if ((Game_mode & GM_MULTI) && Netgame.PlayTimeAllowed)
ThisLevelTime +=FrameTime;
digi_sync_sounds();
if (Endlevel_sequence) {
do_endlevel_frame();
powerup_grab_cheat_all();
do_special_effects();
return; //skip everything else
}
if (Newdemo_state != ND_STATE_PLAYBACK)
do_exploding_wall_frame();
if ((Newdemo_state != ND_STATE_PLAYBACK) || (Newdemo_vcr_state != ND_STATE_PAUSED)) {
do_special_effects();
wall_frame_process();
triggers_frame_process();
}
if (Control_center_destroyed) {
if (Newdemo_state==ND_STATE_RECORDING )
newdemo_record_control_center_destroyed();
}
flash_frame();
if ( Newdemo_state == ND_STATE_PLAYBACK ) {
newdemo_playback_one_frame();
if ( Newdemo_state != ND_STATE_PLAYBACK ) {
if (Game_wind)
window_close(Game_wind); // Go back to menu
return;
}
}
else
{ // Note the link to above!
Players[Player_num].homing_object_dist = -1; // Assume not being tracked. Laser_do_weapon_sequence modifies this.
object_move_all();
powerup_grab_cheat_all();
if (Endlevel_sequence) //might have been started during move
return;
fuelcen_update_all();
do_ai_frame_all();
if (allowed_to_fire_laser())
FireLaser(); // Fire Laser!
if (Auto_fire_fusion_cannon_time) {
if (Primary_weapon != FUSION_INDEX)
Auto_fire_fusion_cannon_time = 0;
else if (GameTime64 + FrameTime/2 >= Auto_fire_fusion_cannon_time) {
Auto_fire_fusion_cannon_time = 0;
Global_laser_firing_count = 1;
} else if (d_tick_step) {
vms_vector rand_vec;
fix bump_amount;
Global_laser_firing_count = 0;
ConsoleObject->mtype.phys_info.rotvel.x += (d_rand() - 16384)/8;
ConsoleObject->mtype.phys_info.rotvel.z += (d_rand() - 16384)/8;
make_random_vector(&rand_vec);
bump_amount = F1_0*4;
if (Fusion_charge > F1_0*2)
bump_amount = Fusion_charge*4;
bump_one_object(ConsoleObject, &rand_vec, bump_amount);
}
else
{
Global_laser_firing_count = 0;
}
}
if (Global_laser_firing_count)
Global_laser_firing_count -= do_laser_firing_player();
if (Global_laser_firing_count < 0)
Global_laser_firing_count = 0;
}
if (Do_appearance_effect) {
create_player_appearance_effect(ConsoleObject);
Do_appearance_effect = 0;
if ((Game_mode & GM_MULTI) && Netgame.InvulAppear)
{
Players[Player_num].flags |= PLAYER_FLAGS_INVULNERABLE;
Players[Player_num].invulnerable_time = GameTime64-i2f(27);
FakingInvul=1;
}
}
#if defined(DXX_BUILD_DESCENT_II)
omega_charge_frame();
slide_textures();
flicker_lights();
//if the player is taking damage, give up guided missile control
if (Players[Player_num].shields != player_shields)
release_guided_missile(Player_num);
#endif
// Check if we have to close in-game menus for multiplayer
if ((Game_mode & GM_MULTI) && (Players[Player_num].connected == CONNECT_PLAYING))
{
if ( Endlevel_sequence || ((Control_center_destroyed) && (Countdown_seconds_left <= 1)) || // close menus when end of level...
(Automap_active && ((Player_is_dead != player_was_dead) || (Players[Player_num].shields<=0 && player_shields>0))) ) // close autmap when dying ...
game_leave_menus();
}
}
#if defined(DXX_BUILD_DESCENT_II)
ubyte Slide_segs[MAX_SEGMENTS];
int Slide_segs_computed;
static void compute_slide_segs(void)
{
int segnum, sidenum;
for (segnum=0;segnum<=Highest_segment_index;segnum++) {
Slide_segs[segnum] = 0;
for (sidenum=0;sidenum<6;sidenum++) {
int tmn = Segments[segnum].sides[sidenum].tmap_num;
if (TmapInfo[tmn].slide_u != 0 || TmapInfo[tmn].slide_v != 0)
Slide_segs[segnum] |= 1 << sidenum;
}
}
Slide_segs_computed = 1;
}
// -----------------------------------------------------------------------------
static void slide_textures(void)
{
int segnum,sidenum,i;
if (!Slide_segs_computed)
compute_slide_segs();
for (segnum=0;segnum<=Highest_segment_index;segnum++) {
if (Slide_segs[segnum]) {
for (sidenum=0;sidenum<6;sidenum++) {
if (Slide_segs[segnum] & (1 << sidenum)) {
int tmn = Segments[segnum].sides[sidenum].tmap_num;
if (TmapInfo[tmn].slide_u != 0 || TmapInfo[tmn].slide_v != 0) {
for (i=0;i<4;i++) {
Segments[segnum].sides[sidenum].uvls[i].u += fixmul(FrameTime,TmapInfo[tmn].slide_u<<8);
Segments[segnum].sides[sidenum].uvls[i].v += fixmul(FrameTime,TmapInfo[tmn].slide_v<<8);
if (Segments[segnum].sides[sidenum].uvls[i].u > f2_0) {
int j;
for (j=0;j<4;j++)
Segments[segnum].sides[sidenum].uvls[j].u -= f1_0;
}
if (Segments[segnum].sides[sidenum].uvls[i].v > f2_0) {
int j;
for (j=0;j<4;j++)
Segments[segnum].sides[sidenum].uvls[j].v -= f1_0;
}
if (Segments[segnum].sides[sidenum].uvls[i].u < -f2_0) {
int j;
for (j=0;j<4;j++)
Segments[segnum].sides[sidenum].uvls[j].u += f1_0;
}
if (Segments[segnum].sides[sidenum].uvls[i].v < -f2_0) {
int j;
for (j=0;j<4;j++)
Segments[segnum].sides[sidenum].uvls[j].v += f1_0;
}
}
}
}
}
}
}
}
flickering_light Flickering_lights[MAX_FLICKERING_LIGHTS];
int Num_flickering_lights=0;
static void flicker_lights()
{
int l;
flickering_light *f;
f = Flickering_lights;
for (l=0;l<Num_flickering_lights;l++,f++) {
segment *segp = &Segments[f->segnum];
//make sure this is actually a light
if (! (WALL_IS_DOORWAY(segp, f->sidenum) & WID_RENDER_FLAG))
continue;
if (! (TmapInfo[segp->sides[f->sidenum].tmap_num].lighting | TmapInfo[segp->sides[f->sidenum].tmap_num2 & 0x3fff].lighting))
continue;
if (static_cast<unsigned>(f->timer) == 0x80000000) //disabled
continue;
if ((f->timer -= FrameTime) < 0) {
while (f->timer < 0)
f->timer += f->delay;
f->mask = ((f->mask&0x80000000)?1:0) + (f->mask<<1);
if (f->mask & 1)
add_light(f->segnum,f->sidenum);
else
subtract_light(f->segnum,f->sidenum);
}
}
}
//returns ptr to flickering light structure, or NULL if can't find
flickering_light *find_flicker(int segnum,int sidenum)
{
int l;
flickering_light *f;
//see if there's already an entry for this seg/side
f = Flickering_lights;
for (l=0;l<Num_flickering_lights;l++,f++)
if (f->segnum == segnum && f->sidenum == sidenum) //found it!
return f;
return NULL;
}
//turn flickering off (because light has been turned off)
void disable_flicker(int segnum,int sidenum)
{
flickering_light *f;
if ((f=find_flicker(segnum,sidenum)) != NULL)
f->timer = 0x80000000;
}
//turn flickering off (because light has been turned on)
void enable_flicker(int segnum,int sidenum)
{
flickering_light *f;
if ((f=find_flicker(segnum,sidenum)) != NULL)
f->timer = 0;
}
#ifdef EDITOR
//returns 1 if ok, 0 if error
int add_flicker(int segnum, int sidenum, fix delay, unsigned long mask)
{
int l;
flickering_light *f;
//see if there's already an entry for this seg/side
f = Flickering_lights;
for (l=0;l<Num_flickering_lights;l++,f++)
if (f->segnum == segnum && f->sidenum == sidenum) //found it!
break;
if (mask==0) { //clearing entry
if (l == Num_flickering_lights)
return 0;
else {
int i;
for (i=l;i<Num_flickering_lights-1;i++)
Flickering_lights[i] = Flickering_lights[i+1];
Num_flickering_lights--;
return 1;
}
}
if (l == Num_flickering_lights) {
if (Num_flickering_lights == MAX_FLICKERING_LIGHTS)
return 0;
else
Num_flickering_lights++;
}
f->segnum = segnum;
f->sidenum = sidenum;
f->delay = f->timer = delay;
f->mask = mask;
return 1;
}
#endif
#endif
// -----------------------------------------------------------------------------
// Fire Laser: Registers a laser fire, and performs special stuff for the fusion
// cannon.
void FireLaser()
{
Global_laser_firing_count = Controls.state.fire_primary?Weapon_info[Primary_weapon_to_weapon_info[Primary_weapon]].fire_count:0;
if ((Primary_weapon == FUSION_INDEX) && (Global_laser_firing_count)) {
if ((Players[Player_num].energy < F1_0*2) && (Auto_fire_fusion_cannon_time == 0)) {
Global_laser_firing_count = 0;
} else {
static fix64 Fusion_next_sound_time = 0;
if (Fusion_charge == 0)
Players[Player_num].energy -= F1_0*2;
Fusion_charge += FrameTime;
Players[Player_num].energy -= FrameTime;
if (Players[Player_num].energy <= 0) {
Players[Player_num].energy = 0;
Auto_fire_fusion_cannon_time = GameTime64 -1; // Fire now!
} else
Auto_fire_fusion_cannon_time = GameTime64 + FrameTime/2 + 1; // Fire the fusion cannon at this time in the future.
if (Fusion_charge < F1_0*2)
PALETTE_FLASH_ADD(Fusion_charge >> 11, 0, Fusion_charge >> 11);
else
PALETTE_FLASH_ADD(Fusion_charge >> 11, Fusion_charge >> 11, 0);
if (Fusion_next_sound_time > GameTime64 + F1_0/8 + D_RAND_MAX/4) // GameTime64 is smaller than max delay - player in new level?
Fusion_next_sound_time = GameTime64 - 1;
if (Fusion_next_sound_time < GameTime64) {
if (Fusion_charge > F1_0*2) {
digi_play_sample( 11, F1_0 );
#if defined(DXX_BUILD_DESCENT_I)
if(Game_mode & GM_MULTI)
multi_send_play_sound(11, F1_0);
#endif
apply_damage_to_player(ConsoleObject, ConsoleObject, d_rand() * 4, 0);
} else {
create_awareness_event(ConsoleObject, PA_WEAPON_ROBOT_COLLISION);
digi_play_sample( SOUND_FUSION_WARMUP, F1_0 );
if (Game_mode & GM_MULTI)
multi_send_play_sound(SOUND_FUSION_WARMUP, F1_0);
}
Fusion_next_sound_time = GameTime64 + F1_0/8 + d_rand()/4;
}
}
}
}
// -------------------------------------------------------------------------------------------------------
// If player is close enough to objnum, which ought to be a powerup, pick it up!
// This could easily be made difficulty level dependent.
static void powerup_grab_cheat(object *player, int objnum)
{
fix powerup_size;
fix player_size;
fix dist;
Assert(Objects[objnum].type == OBJ_POWERUP);
powerup_size = Objects[objnum].size;
player_size = player->size;
dist = vm_vec_dist_quick(&Objects[objnum].pos, &player->pos);
if ((dist < 2*(powerup_size + player_size)) && !(Objects[objnum].flags & OF_SHOULD_BE_DEAD)) {
vms_vector collision_point;
vm_vec_avg(&collision_point, &Objects[objnum].pos, &player->pos);
collide_player_and_powerup(player, &Objects[objnum], &collision_point);
}
}
// -------------------------------------------------------------------------------------------------------
// Make it easier to pick up powerups.
// For all powerups in this segment, pick them up at up to twice pickuppable distance based on dot product
// from player to powerup and player's forward vector.
// This has the effect of picking them up more easily left/right and up/down, but not making them disappear
// way before the player gets there.
void powerup_grab_cheat_all(void)
{
segment *segp;
int objnum;
segp = &Segments[ConsoleObject->segnum];
objnum = segp->objects;
while (objnum != -1) {
if (Objects[objnum].type == OBJ_POWERUP)
powerup_grab_cheat(ConsoleObject, objnum);
objnum = Objects[objnum].next;
}
}
int Last_level_path_created = -1;
#ifdef SHOW_EXIT_PATH
// ------------------------------------------------------------------------------------------------------------------
// Create path for player from current segment to goal segment.
// Return true if path created, else return false.
static int mark_player_path_to_segment(int segnum)
{
int i;
object *objp = ConsoleObject;
short player_path_length=0;
int player_hide_index=-1;
if (Last_level_path_created == Current_level_num) {
return 0;
}
Last_level_path_created = Current_level_num;
if (create_path_points(objp, objp->segnum, segnum, Point_segs_free_ptr, &player_path_length, 100, 0, 0, -1) == -1) {
return 0;
}
player_hide_index = Point_segs_free_ptr - Point_segs;
Point_segs_free_ptr += player_path_length;
if (Point_segs_free_ptr - Point_segs + MAX_PATH_LENGTH*2 > MAX_POINT_SEGS) {
ai_reset_all_paths();
return 0;
}
for (i=1; i<player_path_length; i++) {
int segnum, objnum;
vms_vector seg_center;
object *obj;
segnum = Point_segs[player_hide_index+i].segnum;
seg_center = Point_segs[player_hide_index+i].point;
objnum = obj_create( OBJ_POWERUP, POW_ENERGY, segnum, &seg_center, &vmd_identity_matrix, Powerup_info[POW_ENERGY].size, CT_POWERUP, MT_NONE, RT_POWERUP);
if (objnum == -1) {
Int3(); // Unable to drop energy powerup for path
return 1;
}
obj = &Objects[objnum];
obj->rtype.vclip_info.vclip_num = Powerup_info[get_powerup_id(obj)].vclip_num;
obj->rtype.vclip_info.frametime = Vclip[obj->rtype.vclip_info.vclip_num].frame_time;
obj->rtype.vclip_info.framenum = 0;
obj->lifeleft = F1_0*100 + d_rand() * 4;
}
return 1;
}
// Return true if it happened, else return false.
int create_special_path(void)
{
int i,j;
// ---------- Find exit doors ----------
for (i=0; i<=Highest_segment_index; i++)
for (j=0; j<MAX_SIDES_PER_SEGMENT; j++)
if (Segments[i].children[j] == -2) {
return mark_player_path_to_segment(i);
}
return 0;
}
#endif
#if defined(DXX_BUILD_DESCENT_II)
/*
* reads a flickering_light structure from a PHYSFS_file
*/
void flickering_light_read(flickering_light *fl, PHYSFS_file *fp)
{
fl->segnum = PHYSFSX_readShort(fp);
fl->sidenum = PHYSFSX_readShort(fp);
fl->mask = PHYSFSX_readInt(fp);
fl->timer = PHYSFSX_readFix(fp);
fl->delay = PHYSFSX_readFix(fp);
}
void flickering_light_write(flickering_light *fl, PHYSFS_file *fp)
{
PHYSFS_writeSLE16(fp, fl->segnum);
PHYSFS_writeSLE16(fp, fl->sidenum);
PHYSFS_writeULE32(fp, fl->mask);
PHYSFSX_writeFix(fp, fl->timer);
PHYSFSX_writeFix(fp, fl->delay);
}
#endif
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