876 lines
17 KiB
C
876 lines
17 KiB
C
/* $Id: movie.c,v 1.14 2003-01-09 00:57:42 btb Exp $ */
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/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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#ifdef HAVE_CONFIG_H
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#include <conf.h>
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#endif
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#ifdef RCS
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static char rcsid[] = "$Id: movie.c,v 1.14 2003-01-09 00:57:42 btb Exp $";
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#endif
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#define DEBUG_LEVEL CON_NORMAL
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <ctype.h>
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#include "movie.h"
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#include "console.h"
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#include "args.h"
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#include "key.h"
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#include "digi.h"
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#include "songs.h"
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#include "inferno.h"
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#include "palette.h"
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#include "strutil.h"
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#include "error.h"
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#include "u_mem.h"
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#include "byteswap.h"
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#include "gr.h"
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#include "gamefont.h"
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#include "cfile.h"
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#include "menu.h"
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#include "mvelib.h"
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#include "text.h"
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#include "fileutil.h"
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#include "mveplay.h"
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extern int MenuHiresAvailable;
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extern char CDROM_dir[];
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#define VID_PLAY 0
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#define VID_PAUSE 1
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int Vid_State;
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// Subtitle data
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typedef struct {
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short first_frame,last_frame;
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char *msg;
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} subtitle;
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#define MAX_SUBTITLES 500
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#define MAX_ACTIVE_SUBTITLES 3
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subtitle Subtitles[MAX_SUBTITLES];
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int Num_subtitles;
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typedef struct {
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char name[FILENAME_LEN];
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int offset,len;
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} ml_entry;
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#define MLF_ON_CD 1
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#define MAX_MOVIES_PER_LIB 50 //determines size of malloc
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typedef struct {
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char name[100]; //[FILENAME_LEN];
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int n_movies;
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ubyte flags,pad[3];
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ml_entry *movies;
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} movielib;
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#ifdef D2_OEM
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char movielib_files[][FILENAME_LEN] = {"intro-l.mvl","other-l.mvl","robots-l.mvl","oem-l.mvl"};
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#else
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char movielib_files[][FILENAME_LEN] = {"intro-l.mvl","other-l.mvl","robots-l.mvl"};
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#endif
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#define N_BUILTIN_MOVIE_LIBS (sizeof(movielib_files)/sizeof(*movielib_files))
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#define N_MOVIE_LIBS (N_BUILTIN_MOVIE_LIBS+1)
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#define EXTRA_ROBOT_LIB N_BUILTIN_MOVIE_LIBS
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movielib *movie_libs[N_MOVIE_LIBS];
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int MVEPaletteCalls = 0;
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//do we have the robot movies available
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int robot_movies = 0; //0 means none, 1 means lowres, 2 means hires
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int MovieHires = 0; //default for now is lores
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int RoboFile = 0;
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off_t Robo_filepos;
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MVESTREAM *Robo_mve;
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grs_bitmap *Robo_bitmap;
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// Function Prototypes
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int RunMovie(char *filename, int highres_flag, int allow_abort,int dx,int dy);
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int open_movie_file(char *filename,int must_have);
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void change_filename_ext( char *dest, char *src, char *ext );
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void decode_text_line(char *p);
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void draw_subtitles(int frame_num);
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//filename will actually get modified to be either low-res or high-res
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//returns status. see values in movie.h
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int PlayMovie(const char *filename, int must_have)
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{
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char name[FILENAME_LEN],*p;
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int c, ret;
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#if 0
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int save_sample_rate;
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#endif
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#ifndef RELEASE
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if (FindArg("-nomovies"))
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return MOVIE_NOT_PLAYED;
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#endif
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strcpy(name,filename);
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if ((p=strchr(name,'.')) == NULL) //add extension, if missing
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strcat(name,".mve");
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//check for escape already pressed & abort if so
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while ((c=key_inkey()) != 0)
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if (c == KEY_ESC)
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return MOVIE_ABORTED;
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// Stop all digital sounds currently playing.
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digi_stop_all();
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// Stop all songs
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songs_stop_all();
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#if 0
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save_sample_rate = digi_sample_rate;
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digi_sample_rate = SAMPLE_RATE_22K; //always 22K for movies
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digi_reset(); digi_reset();
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#else
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digi_close();
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#endif
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ret = RunMovie(name,MovieHires,must_have,-1,-1);
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#if 0
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gr_palette_clear(); //clear out palette in case movie aborted
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#endif
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#if 0
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digi_sample_rate = save_sample_rate; //restore rate for game
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digi_reset(); digi_reset();
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#else
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digi_init();
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#endif
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Screen_mode = -1; //force screen reset
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return ret;
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}
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#if 0
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typedef struct bkg {
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short x, y, w, h; // The location of the menu.
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grs_bitmap * bmp; // The background under the menu.
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} bkg;
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bkg movie_bg = {0,0,0,0,NULL};
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#endif
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#define BOX_BORDER (MenuHires?40:20)
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void show_pause_message(char *msg)
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{
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int w,h,aw;
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int x,y;
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gr_set_current_canvas(NULL);
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gr_set_curfont( SMALL_FONT );
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gr_get_string_size(msg,&w,&h,&aw);
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x = (grd_curscreen->sc_w-w)/2;
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y = (grd_curscreen->sc_h-h)/2;
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#if 0
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if (movie_bg.bmp) {
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gr_free_bitmap(movie_bg.bmp);
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movie_bg.bmp = NULL;
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}
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// Save the background of the display
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movie_bg.x=x; movie_bg.y=y; movie_bg.w=w; movie_bg.h=h;
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movie_bg.bmp = gr_create_bitmap( w+BOX_BORDER, h+BOX_BORDER );
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gr_bm_ubitblt(w+BOX_BORDER, h+BOX_BORDER, 0, 0, x-BOX_BORDER/2, y-BOX_BORDER/2, &(grd_curcanv->cv_bitmap), movie_bg.bmp );
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#endif
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gr_setcolor(0);
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gr_rect(x-BOX_BORDER/2,y-BOX_BORDER/2,x+w+BOX_BORDER/2-1,y+h+BOX_BORDER/2-1);
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gr_set_fontcolor( 255, -1 );
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gr_ustring( 0x8000, y, msg );
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gr_update();
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}
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void clear_pause_message()
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{
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#if 0
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if (movie_bg.bmp) {
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gr_bitmap(movie_bg.x-BOX_BORDER/2, movie_bg.y-BOX_BORDER/2, movie_bg.bmp);
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gr_free_bitmap(movie_bg.bmp);
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movie_bg.bmp = NULL;
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}
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#endif
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}
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//returns status. see movie.h
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int RunMovie(char *filename, int hires_flag, int must_have,int dx,int dy)
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{
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int filehndl;
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int result=1,aborted=0;
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int frame_num;
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MVESTREAM *mve;
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grs_bitmap *mve_bitmap;
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int key;
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int x, y, w, h;
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result=1;
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// Open Movie file. If it doesn't exist, no movie, just return.
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filehndl = open_movie_file(filename,must_have);
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if (filehndl == -1) {
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#ifndef EDITOR
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if (must_have)
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Warning("movie: RunMovie: Cannot open movie <%s>\n",filename);
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#endif
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return MOVIE_NOT_PLAYED;
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}
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if (hires_flag) {
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gr_set_mode(SM(640,480));
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x = 24;
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y = 84;
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w = 592;
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h = 312;
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} else {
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gr_set_mode(SM(320,200));
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x = 0;
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y = 32;
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w = 320;
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h = 136;
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}
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frame_num = 0;
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FontHires = FontHiresAvailable && hires_flag;
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mve = mve_open(filehndl);
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mve_bitmap = gr_create_bitmap(w, h); // w, h must match the mve exactly!
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mveplay_initializeMovie(mve, mve_bitmap);
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while(result) {
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result = mveplay_stepMovie(mve);
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gr_bitmap(x, y, mve_bitmap);
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draw_subtitles(frame_num);
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key = key_inkey();
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switch (key) {
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case KEY_ESC:
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// If ESCAPE pressed, then quit movie.
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result = 0;
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aborted = 1;
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break;
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case KEY_PAUSE:
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// If PAUSE pressed, then pause movie
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show_pause_message(TXT_PAUSE);
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while (!key_inkey()) ;
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mveplay_restartTimer(mve);
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clear_pause_message();
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break;
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#ifdef GR_SUPPORTS_FULLSCREEN_TOGGLE
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case KEY_CTRLED+KEY_SHIFTED+KEY_PADENTER:
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case KEY_ALTED+KEY_CTRLED+KEY_PADENTER:
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case KEY_ALTED+KEY_SHIFTED+KEY_PADENTER:
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gr_toggle_fullscreen();
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break;
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#endif
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}
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frame_num++;
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}
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Assert(aborted || !result); ///movie should be over
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mveplay_shutdownMovie(mve);
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gr_free_bitmap(mve_bitmap);
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mve_close(mve);
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close(filehndl); // Close Movie File
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// Restore old graphic state
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Screen_mode=-1; //force reset of screen mode
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return (aborted?MOVIE_ABORTED:MOVIE_PLAYED_FULL);
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}
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int InitMovieBriefing()
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{
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if (MenuHires)
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gr_set_mode(SM(640,480));
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else
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gr_set_mode(SM(320,200));
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return 1;
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}
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//returns 1 if frame updated ok
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int RotateRobot()
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{
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int ret;
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ret = mveplay_stepMovie(Robo_mve);
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gr_bitmap(MenuHires?280:140, MenuHires?200:80, Robo_bitmap);
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if (!ret) {
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mveplay_shutdownMovie(Robo_mve);
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mve_close(Robo_mve);
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lseek(RoboFile, Robo_filepos, SEEK_SET);
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Robo_mve = mve_open(RoboFile);
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mveplay_initializeMovie(Robo_mve, Robo_bitmap);
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}
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return 1;
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}
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void DeInitRobotMovie(void)
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{
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mveplay_shutdownMovie(Robo_mve);
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mve_close(Robo_mve);
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gr_free_bitmap(Robo_bitmap);
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close(RoboFile);
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}
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int InitRobotMovie(char *filename)
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{
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RoboFile = open_movie_file(filename, 1);
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if (RoboFile == -1) {
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Warning("movie: InitRobotMovie: Cannot open movie file <%s>",filename);
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return MOVIE_NOT_PLAYED;
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}
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Robo_filepos = lseek(RoboFile, 0, SEEK_CUR);
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Robo_mve = mve_open(RoboFile);
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Robo_bitmap = gr_create_bitmap(MenuHires?320:160, MenuHires?200:88);
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mveplay_initializeMovie(Robo_mve, Robo_bitmap);
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return 1;
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}
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/*
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* Subtitle system code
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*/
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ubyte *subtitle_raw_data;
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//search for next field following whitespace
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ubyte *next_field(ubyte *p)
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{
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while (*p && !isspace(*p))
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p++;
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if (!*p)
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return NULL;
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while (*p && isspace(*p))
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p++;
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if (!*p)
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return NULL;
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return p;
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}
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int init_subtitles(char *filename)
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{
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CFILE *ifile;
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int size,read_count;
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ubyte *p;
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int have_binary = 0;
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Num_subtitles = 0;
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if (! FindArg("-subtitles"))
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return 0;
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ifile = cfopen(filename,"rb"); //try text version
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if (!ifile) { //no text version, try binary version
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char filename2[FILENAME_LEN];
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change_filename_ext(filename2,filename,".TXB");
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ifile = cfopen(filename2,"rb");
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if (!ifile)
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return 0;
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have_binary = 1;
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}
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size = cfilelength(ifile);
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MALLOC (subtitle_raw_data, ubyte, size+1);
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read_count = cfread(subtitle_raw_data, 1, size, ifile);
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cfclose(ifile);
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subtitle_raw_data[size] = 0;
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if (read_count != size) {
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d_free(subtitle_raw_data);
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return 0;
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}
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p = subtitle_raw_data;
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while (p && p < subtitle_raw_data+size) {
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char *endp;
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endp = strchr(p,'\n');
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if (endp) {
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if (endp[-1] == '\r')
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endp[-1] = 0; //handle 0d0a pair
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*endp = 0; //string termintor
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}
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if (have_binary)
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decode_text_line(p);
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if (*p != ';') {
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Subtitles[Num_subtitles].first_frame = atoi(p);
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p = next_field(p); if (!p) continue;
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Subtitles[Num_subtitles].last_frame = atoi(p);
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p = next_field(p); if (!p) continue;
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Subtitles[Num_subtitles].msg = p;
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Assert(Num_subtitles==0 || Subtitles[Num_subtitles].first_frame >= Subtitles[Num_subtitles-1].first_frame);
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Assert(Subtitles[Num_subtitles].last_frame >= Subtitles[Num_subtitles].first_frame);
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Num_subtitles++;
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}
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p = endp+1;
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}
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return 1;
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}
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void close_subtitles()
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{
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if (subtitle_raw_data)
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d_free(subtitle_raw_data);
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subtitle_raw_data = NULL;
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Num_subtitles = 0;
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}
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//draw the subtitles for this frame
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void draw_subtitles(int frame_num)
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{
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static int active_subtitles[MAX_ACTIVE_SUBTITLES];
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static int num_active_subtitles,next_subtitle,line_spacing;
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int t,y;
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int must_erase=0;
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if (frame_num == 0) {
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num_active_subtitles = 0;
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next_subtitle = 0;
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gr_set_curfont( GAME_FONT );
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line_spacing = grd_curcanv->cv_font->ft_h + (grd_curcanv->cv_font->ft_h >> 2);
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gr_set_fontcolor(255,-1);
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}
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//get rid of any subtitles that have expired
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for (t=0;t<num_active_subtitles;)
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if (frame_num > Subtitles[active_subtitles[t]].last_frame) {
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int t2;
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for (t2=t;t2<num_active_subtitles-1;t2++)
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active_subtitles[t2] = active_subtitles[t2+1];
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num_active_subtitles--;
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must_erase = 1;
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}
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else
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t++;
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//get any subtitles new for this frame
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while (next_subtitle < Num_subtitles && frame_num >= Subtitles[next_subtitle].first_frame) {
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if (num_active_subtitles >= MAX_ACTIVE_SUBTITLES)
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Error("Too many active subtitles!");
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active_subtitles[num_active_subtitles++] = next_subtitle;
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next_subtitle++;
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}
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//find y coordinate for first line of subtitles
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y = grd_curcanv->cv_bitmap.bm_h-((line_spacing+1)*MAX_ACTIVE_SUBTITLES+2);
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|
|
|
//erase old subtitles if necessary
|
|
if (must_erase) {
|
|
gr_setcolor(0);
|
|
gr_rect(0,y,grd_curcanv->cv_bitmap.bm_w-1,grd_curcanv->cv_bitmap.bm_h-1);
|
|
}
|
|
|
|
//now draw the current subtitles
|
|
for (t=0;t<num_active_subtitles;t++)
|
|
if (active_subtitles[t] != -1) {
|
|
gr_string(0x8000,y,Subtitles[active_subtitles[t]].msg);
|
|
y += line_spacing+1;
|
|
}
|
|
|
|
gr_update();
|
|
}
|
|
|
|
|
|
int request_cd(void)
|
|
{
|
|
con_printf(DEBUG_LEVEL, "STUB: movie: request_cd\n");
|
|
return 0;
|
|
}
|
|
|
|
|
|
movielib *init_new_movie_lib(char *filename,FILE *fp)
|
|
{
|
|
int nfiles,offset;
|
|
int i,n;
|
|
movielib *table;
|
|
|
|
//read movie file header
|
|
|
|
nfiles = file_read_int(fp); //get number of files
|
|
|
|
//table = d_malloc(sizeof(*table) + sizeof(ml_entry)*nfiles);
|
|
MALLOC(table, movielib, 1);
|
|
MALLOC(table->movies, ml_entry, nfiles);
|
|
|
|
strcpy(table->name,filename);
|
|
table->n_movies = nfiles;
|
|
|
|
offset = 4+4+nfiles*(13+4); //id + nfiles + nfiles * (filename + size)
|
|
|
|
for (i=0;i<nfiles;i++) {
|
|
int len;
|
|
|
|
n = fread( table->movies[i].name, 13, 1, fp );
|
|
if ( n != 1 )
|
|
break; //end of file (probably)
|
|
|
|
len = file_read_int(fp);
|
|
|
|
table->movies[i].len = len;
|
|
table->movies[i].offset = offset;
|
|
|
|
offset += table->movies[i].len;
|
|
|
|
}
|
|
|
|
fclose(fp);
|
|
|
|
table->flags = 0;
|
|
|
|
return table;
|
|
|
|
}
|
|
|
|
|
|
movielib *init_old_movie_lib(char *filename,FILE *fp)
|
|
{
|
|
int nfiles,size;
|
|
int i;
|
|
movielib *table,*table2;
|
|
|
|
nfiles = 0;
|
|
|
|
//allocate big table
|
|
table = d_malloc(sizeof(*table) + sizeof(ml_entry)*MAX_MOVIES_PER_LIB);
|
|
|
|
while( 1 ) {
|
|
int len;
|
|
|
|
i = fread( table->movies[nfiles].name, 13, 1, fp );
|
|
if ( i != 1 )
|
|
break; //end of file (probably)
|
|
|
|
i = fread( &len, 4, 1, fp );
|
|
if ( i != 1 )
|
|
Error("error reading movie library <%s>",filename);
|
|
|
|
table->movies[nfiles].len = INTEL_INT(len);
|
|
table->movies[nfiles].offset = ftell( fp );
|
|
|
|
fseek( fp, INTEL_INT(len), SEEK_CUR ); //skip data
|
|
|
|
nfiles++;
|
|
}
|
|
|
|
//allocate correct-sized table
|
|
size = sizeof(*table) + sizeof(ml_entry)*nfiles;
|
|
table2 = d_malloc(size);
|
|
memcpy(table2,table,size);
|
|
d_free(table);
|
|
table = table2;
|
|
|
|
strcpy(table->name,filename);
|
|
|
|
table->n_movies = nfiles;
|
|
|
|
fclose(fp);
|
|
|
|
table->flags = 0;
|
|
|
|
return table;
|
|
|
|
}
|
|
|
|
|
|
//find the specified movie library, and read in list of movies in it
|
|
movielib *init_movie_lib(char *filename)
|
|
{
|
|
//note: this based on cfile_init_hogfile()
|
|
|
|
char id[4];
|
|
FILE * fp;
|
|
|
|
fp = fopen( filename, "rb" );
|
|
|
|
if ((fp == NULL) && (AltHogdir_initialized)) {
|
|
char temp[128];
|
|
strcpy(temp, AltHogDir);
|
|
strcat(temp, "/");
|
|
strcat(temp, filename);
|
|
fp = fopen(temp, "rb");
|
|
}
|
|
|
|
if ( fp == NULL )
|
|
return NULL;
|
|
|
|
fread( id, 4, 1, fp );
|
|
if ( !strncmp( id, "DMVL", 4 ) )
|
|
return init_new_movie_lib(filename,fp);
|
|
else if ( !strncmp( id, "DHF", 3 ) ) {
|
|
fseek(fp,-1,SEEK_CUR); //old file had 3 char id
|
|
return init_old_movie_lib(filename,fp);
|
|
}
|
|
else {
|
|
fclose(fp);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
void close_movie(int i)
|
|
{
|
|
if (movie_libs[i]) {
|
|
d_free(movie_libs[i]->movies);
|
|
d_free(movie_libs[i]);
|
|
}
|
|
}
|
|
|
|
|
|
void close_movies()
|
|
{
|
|
int i;
|
|
|
|
for (i=0;i<N_MOVIE_LIBS;i++)
|
|
close_movie(i);
|
|
}
|
|
|
|
|
|
void init_movie(char *filename,int libnum,int is_robots,int required)
|
|
{
|
|
int high_res;
|
|
int try = 0;
|
|
|
|
#ifndef RELEASE
|
|
if (FindArg("-nomovies")) {
|
|
movie_libs[libnum] = NULL;
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
//for robots, load highres versions if highres menus set
|
|
if (is_robots)
|
|
high_res = MenuHiresAvailable;
|
|
else
|
|
high_res = MovieHires;
|
|
|
|
if (high_res)
|
|
strchr(filename,'.')[-1] = 'h';
|
|
|
|
try_again:;
|
|
|
|
if ((movie_libs[libnum] = init_movie_lib(filename)) == NULL) {
|
|
char name2[100];
|
|
|
|
strcpy(name2,CDROM_dir);
|
|
strcat(name2,filename);
|
|
movie_libs[libnum] = init_movie_lib(name2);
|
|
|
|
if (movie_libs[libnum] != NULL)
|
|
movie_libs[libnum]->flags |= MLF_ON_CD;
|
|
else {
|
|
if (required) {
|
|
Warning("Cannot open movie file <%s>\n",filename);
|
|
}
|
|
|
|
if (!try) { // first try
|
|
if (strchr(filename, '.')[-1] == 'h') { // try again with lowres
|
|
strchr(filename, '.')[-1] = 'l';
|
|
Warning("Trying to open movie file <%s> instead\n", filename);
|
|
try++;
|
|
goto try_again;
|
|
} else if (strchr(filename, '.')[-1] == 'l') { // try again with highres
|
|
strchr(filename, '.')[-1] = 'h';
|
|
Warning("Trying to open movie file <%s> instead\n", filename);
|
|
try++;
|
|
goto try_again;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (is_robots && movie_libs[libnum]!=NULL)
|
|
robot_movies = high_res?2:1;
|
|
}
|
|
|
|
|
|
//find and initialize the movie libraries
|
|
void init_movies()
|
|
{
|
|
int i;
|
|
int is_robots;
|
|
|
|
for (i=0;i<N_BUILTIN_MOVIE_LIBS;i++) {
|
|
|
|
if (!strnicmp(movielib_files[i],"robot",5))
|
|
is_robots = 1;
|
|
else
|
|
is_robots = 0;
|
|
|
|
init_movie(movielib_files[i],i,is_robots,1);
|
|
}
|
|
|
|
movie_libs[EXTRA_ROBOT_LIB] = NULL;
|
|
|
|
atexit(close_movies);
|
|
}
|
|
|
|
|
|
void init_extra_robot_movie(char *filename)
|
|
{
|
|
close_movie(EXTRA_ROBOT_LIB);
|
|
init_movie(filename,EXTRA_ROBOT_LIB,1,0);
|
|
}
|
|
|
|
|
|
//looks through a movie library for a movie file
|
|
//returns filehandle, with fileposition at movie, or -1 if can't find
|
|
int search_movie_lib(movielib *lib,char *filename,int must_have)
|
|
{
|
|
int i;
|
|
int filehandle;
|
|
|
|
if (lib == NULL)
|
|
return -1;
|
|
|
|
for (i=0;i<lib->n_movies;i++)
|
|
if (!stricmp(filename,lib->movies[i].name)) { //found the movie in a library
|
|
int from_cd;
|
|
|
|
from_cd = (lib->flags & MLF_ON_CD);
|
|
|
|
if (from_cd)
|
|
songs_stop_redbook(); //ready to read from CD
|
|
|
|
do { //keep trying until we get the file handle
|
|
|
|
/* movie_handle = */ filehandle = open(lib->name, O_RDONLY);
|
|
|
|
if ((filehandle == -1) && (AltHogdir_initialized)) {
|
|
char temp[128];
|
|
strcpy(temp, AltHogDir);
|
|
strcat(temp, "/");
|
|
strcat(temp, lib->name);
|
|
filehandle = open(temp, O_RDONLY);
|
|
}
|
|
|
|
if (must_have && from_cd && filehandle == -1) { //didn't get file!
|
|
|
|
if (request_cd() == -1) //ESC from requester
|
|
break; //bail from here. will get error later
|
|
}
|
|
|
|
} while (must_have && from_cd && filehandle == -1);
|
|
|
|
if (filehandle != -1)
|
|
lseek(filehandle,(/* movie_start = */ lib->movies[i].offset),SEEK_SET);
|
|
|
|
return filehandle;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
|
|
//returns file handle
|
|
int open_movie_file(char *filename,int must_have)
|
|
{
|
|
int filehandle,i;
|
|
|
|
for (i=0;i<N_MOVIE_LIBS;i++) {
|
|
if ((filehandle = search_movie_lib(movie_libs[i],filename,must_have)) != -1)
|
|
return filehandle;
|
|
}
|
|
|
|
return -1; //couldn't find it
|
|
}
|
|
|
|
|