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creator.c

/*
 * $Id: creator.c,v 1.44 2004/12/08 14:12:47 ton Exp $
 *
 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
 *
 * 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 2
 * of the License, or (at your option) any later version. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * 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, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */
#include <stdlib.h>
#include <string.h>

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

/* This little block needed for linking to Blender... */

#include "MEM_guardedalloc.h"

#ifdef WIN32
#include "BLI_winstuff.h"
#endif

#include "GEN_messaging.h"

#include "DNA_ID.h"

#include "BLI_blenlib.h"

#include "BKE_utildefines.h"
#include "BKE_blender.h"
#include "BKE_font.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "BKE_packedFile.h"
#include "BKE_scene.h"

#include "BIF_gl.h"
#include "BIF_graphics.h"
#include "BIF_mainqueue.h"
#include "BIF_graphics.h"
#include "BIF_editsound.h"
#include "BIF_usiblender.h"
#include "BIF_drawscene.h"      /* set_scene() */
#include "BIF_screen.h"         /* waitcursor and more */
#include "BIF_usiblender.h"
#include "BIF_toolbox.h"

#include "BLO_writefile.h"
#include "BLO_readfile.h"

#include "BDR_drawmesh.h"

#include "IMB_imbuf.h"  // for quicktime_init

#include "RE_renderconverter.h"

#include "BPY_extern.h"

#include "playanim_ext.h"
#include "mydevice.h"
#include "render.h"
#include "nla.h"
#include "datatoc.h"

/* for passing information between creator and gameengine */
#include "SYS_System.h"

#include <signal.h>

#ifdef __FreeBSD__
# include <sys/types.h>
# include <floatingpoint.h>
# include <sys/rtprio.h>
#endif

// from buildinfo.c
extern char * build_date;
extern char * build_time;
extern char * build_platform;
extern char * build_type;

/*    Local Function prototypes */
static void print_help();
static void print_version();


/* defined in ghostwinlay and winlay, we can't include carbon here, conflict with DNA */
#ifdef __APPLE__
extern int checkAppleVideoCard();
extern void getMacAvailableBounds(short *top, short *left, short *bottom, short *right);
extern void winlay_get_screensize(int *width_r, int *height_r);
extern void winlay_process_events(int wait_for_event);
#endif


/* for the callbacks: */

extern int pluginapi_force_ref(void);  /* from blenpluginapi:pluginapi.c */

char bprogname[FILE_MAXDIR+FILE_MAXFILE]; /* from blenpluginapi:pluginapi.c */


/* Initialise callbacks for the modules that need them */
void setCallbacks(void); 

#ifndef __APPLE__
static void fpe_handler(int sig)
{
      // printf("SIGFPE trapped\n");
}
#endif

/* handling ctrl-c event in console */
static void blender_esc(int sig)
{
      static int count = 0;
      
      G.afbreek = 1;    /* forces render loop to read queue, not sure if its needed */
      
      if (sig == 2) {
            if (count) {
                  printf("\nBlender killed\n");
                  exit(2);
            }
            printf("\nSent an internal break event. Press ^C again to kill Blender\n");
            count++;
      }
}

static void print_version(void)
{
      printf ("Blender %d.%02d\n", G.version/100, G.version%100);
}

static void print_help(void)
{
      printf ("Blender V %d.%02d\n", G.version/100, G.version%100);
      printf ("Usage: blender [options ...] [file]\n");
                        
      printf ("\nRender options:\n");
      printf ("  -b <file>\tRender <file> in background\n");
      printf ("    -S <name>\tSet scene <name>\n");
      printf ("    -f <frame>\tRender frame <frame> and save it\n");                      
      printf ("    -s <frame>\tSet start to frame <frame> (use with -a)\n");
      printf ("    -e <frame>\tSet end to frame (use with -a)<frame>\n");
      printf ("    -a\t\tRender animation\n");
                        
      printf ("\nAnimation options:\n");
      printf ("  -a <file(s)>\tPlayback <file(s)>\n");
      printf ("    -p <sx> <sy>\tOpen with lower left corner at <sx>, <sy>\n");
      printf ("    -m\t\tRead from disk (Don't buffer)\n");
                        
      printf ("\nWindow options:\n");
      printf ("  -w\t\tForce opening with borders\n");
#ifdef WIN32
      printf ("  -W\t\tForce opening without borders\n");
#endif
      printf ("  -p <sx> <sy> <w> <h>\tOpen with lower left corner at <sx>, <sy>\n");
      printf ("                      \tand width and height <w>, <h>\n");
      printf ("\nGame Engine specific options:\n");
      printf ("  -g fixedtime\t\tRun on 50 hertz without dropping frames\n");
      printf ("  -g vertexarrays\tUse Vertex Arrays for rendering (usually faster)\n");
      printf ("  -g noaudio\t\tNo audio in Game Engine\n");
      printf ("  -g nomipmap\t\tNo Texture Mipmapping\n");
      printf ("  -g linearmipmap\tLinear Texture Mipmapping instead of Nearest (default)\n");

      printf ("\nMisc options:\n");
      printf ("  -d\t\tTurn debugging on\n");
      printf ("  -noaudio\tDisable audio on systems that support audio\n");
      printf ("  -h\t\tPrint this help text\n");
      printf ("  -y\t\tDisable OnLoad scene scripts, use -Y to find out why its -y\n");
      printf ("  -P <filename>\tRun the given Python script (filename or Blender Text)\n");
#ifdef WIN32
      printf ("  -R\t\tRegister .blend extension\n");
#endif
      printf ("  -v\t\tPrint Blender version and exit\n");
}


double PIL_check_seconds_timer(void);
extern void winlay_get_screensize(int *width_r, int *height_r);

int main(int argc, char **argv)
{
      int a, i, stax, stay, sizx, sizy;
      SYS_SystemHandle syshandle;
      Scene *sce;

#if defined(WIN32) || defined (__linux__)
      int audio = 1;
#else
      int audio = 0;
#endif
      setCallbacks();

#ifdef __APPLE__
            /* patch to ignore argument finder gives us (pid?) */
      if (argc==2 && strncmp(argv[1], "-psn_", 5)==0) {
            extern int GHOST_HACK_getFirstFile(char buf[]);
            static char firstfilebuf[512];
            int scr_x,scr_y;

            argc= 1;

        /* first let us check if we are hardware accelerated and with VRAM > 16 Mo */
        
        if (checkAppleVideoCard()) {
                  short top, left, bottom, right;
                  
                  winlay_get_screensize(&scr_x, &scr_y); 
                  getMacAvailableBounds(&top, &left, &bottom, &right);
                  setprefsize(left +10,scr_y - bottom +10,right-left -20,bottom - 64);

        } else {
                        winlay_get_screensize(&scr_x, &scr_y);

            /* 40 + 684 + (headers) 22 + 22 = 768, the powerbook screen height */
            setprefsize(120, 40, 850, 684);
        }
    
            winlay_process_events(0);
            if (GHOST_HACK_getFirstFile(firstfilebuf)) {
                  argc= 2;
                  argv[1]= firstfilebuf;
            }
      }

#endif

#ifdef __FreeBSD__
      fpsetmask(0);
#endif
#ifdef __linux__
    #ifdef __alpha__
      signal (SIGFPE, fpe_handler);
    #endif
#endif
#if defined(__sgi)
      signal (SIGFPE, fpe_handler);
#endif

      // copy path to executable in bprogname. playanim and creting runtimes
      // need this.

      BLI_where_am_i(bprogname, argv[0]);
      
            /* Hack - force inclusion of the plugin api functions,
             * see blenpluginapi:pluginapi.c
             */
      pluginapi_force_ref();
      
      initglobals();    /* blender.c */

      syshandle = SYS_GetSystem();
      GEN_init_messaging_system();

      /* first test for background */

      G.f |= G_SCENESCRIPT; /* scenescript always set! */

      for(a=1; a<argc; a++) {

            /* Handle unix and windows style help requests */
            if ((!strcmp(argv[a], "--help")) || (!strcmp(argv[a], "/?"))){
                  print_help();
                  exit(0);
            }

            /* Handle long version request */
            if (!strcmp(argv[a], "--version")){
                  print_version();
                  exit(0);
            }

            /* Handle -* switches */
            else if(argv[a][0] == '-') {
                  switch(argv[a][1]) {
                  case 'a':
                        playanim(argc-1, argv+1);
                        exit(0);
                        break;
                  case 'b':
                  case 'B':
                        G.background = 1;
                        a= argc;
                        break;

         case 'm':
             /* unified render pipeline */
/*               G.magic = 1; has become obsolete */
                   printf("-m: enable unified renderer has become obsolete. Set \n");
                   printf("\tthis option per individual file now.\n");
             break;

                  case 'y':
                        G.f &= ~G_SCENESCRIPT;
                        break;

                  case 'Y':
                        printf ("-y was used to disable scene scripts because,\n");
                        printf ("\t-p being taken, Ton was of the opinion that Y\n");
                        printf ("\tlooked like a split (disabled) snake, and also\n");
                        printf ("\twas similar to a python's tongue (unproven).\n\n");

                        printf ("\tZr agreed because it gave him a reason to add a\n");
                        printf ("\tcompletely useless text into Blender.\n\n");
                        
                        printf ("\tADDENDUM! Ton, in defense, found this picture of\n");
                        printf ("\tan Australian python, exhibiting her (his/its) forked\n");
                        printf ("\tY tongue. It could be part of an H Zr retorted!\n\n");
                        printf ("\thttp://www.users.bigpond.com/snake.man/\n");
                        
                        exit(252);
                        
                  case 'h':               
                        print_help();
                        exit(0);
                  
                  case 'v':
                        print_version();
                        exit(0);

                  default:
                        break;
                  }
            }
      }

#ifdef __sgi
      setuid(getuid()); /* end superuser */
#endif

      /* for all platforms, even windos has it! */
      if(G.background) signal(SIGINT, blender_esc);   /* ctrl c out bg render */

            /* background render uses this font too */
      BKE_font_register_builtin(datatoc_Bfont, datatoc_Bfont_size);
            /* must be called here because R.winpos from default file */
      RE_init_render_data();

      if(G.background==0) {
            for(a=1; a<argc; a++) {
                  if(argv[a][0] == '-') {
                        switch(argv[a][1]) {
                        case 'p':   /* prefsize */
                              if (argc-a < 5) {
                                    printf ("-p requires four arguments\n");
                                    exit(1);
                              }
                              a++;
                              stax= atoi(argv[a]);
                              a++;
                              stay= atoi(argv[a]);
                              a++;
                              sizx= atoi(argv[a]);
                              a++;
                              sizy= atoi(argv[a]);

                              setprefsize(stax, stay, sizx, sizy);
                              break;
                        case 'd':
                              G.f |= G_DEBUG;         /* std output printf's */ 
                              printf ("Blender V %d.%02d\n", G.version/100, G.version%100);
#ifdef NAN_BUILDINFO
                              printf("Build: %s %s %s %s\n", build_date, build_time, build_platform, build_type);

#endif // NAN_BUILDINFO
                              for (i = 0; i < argc; i++) {
                                    printf("argv[%d] = %s\n", i, argv[i]);
                              }
                              break;
            
                        case 'w':
                              /* XXX, fixme zr, with borders */
                              /* there probably is a better way to do
                               * this, right now do as if blender was
                               * called with "-p 0 0 xres yres" -- sgefant
                               */ 
                              winlay_get_screensize(&sizx, &sizy);
                              setprefsize(0, 0, sizx, sizy);
#ifdef _WIN32     // FULLSCREEN
                              G.windowstate = G_WINDOWSTATE_BORDER;
#endif
                              break;
                        case 'W':
                                    /* XXX, fixme zr, borderless on win32 */
#ifdef _WIN32     // FULLSCREEN
                              G.windowstate = G_WINDOWSTATE_FULLSCREEN;
#endif
                              break;
                        case 'R':
                        /* Registering filetypes only makes sense on windows...      */
#ifdef WIN32
                              RegisterBlendExtension(argv[0]);
#endif
                              break;
                        case 'n':
                        case 'N':
                              if (strcasecmp(argv[a], "-noaudio") == 0|| strcasecmp(argv[a], "-nosound") == 0) {
                                    /**
                                          notify the gameengine that no audio is wanted, even if the user didn't give
                                          the flag -g noaudio.
                              */

                                    SYS_WriteCommandLineInt(syshandle,"noaudio",1);
                                    audio = 0;
                                    if (G.f & G_DEBUG) printf("setting audio to: %d\n", audio);
                              }
                              else if (strcasecmp(argv[a], "-nofrozen") == 0) {
                                    /* disable initialization of frozen python modules */
                                    if (G.f & G_DEBUG) printf("disable frozen modules\n");
                                    G.f |= G_NOFROZEN;
                              }
                              break;
                        }
                  }
            }

            BPY_start_python(argc, argv);
            
            /**
             * NOTE: sound_init_audio() *must be* after start_python,
             * at least on FreeBSD.
             * added note (ton): i removed it altogether
             */

            BIF_init();

      }
      else {
            BPY_start_python(argc, argv);
            
            // (ton) Commented out. I have no idea whats thisfor... will mail around!
            // SYS_WriteCommandLineInt(syshandle,"noaudio",1);
        // audio = 0;
        // sound_init_audio();
        // if (G.f & G_DEBUG) printf("setting audio to: %d\n", audio);
      }

      /**
       * NOTE: the U.pythondir string is NULL until BIF_init() is executed,
       * so we provide the BPY_ function below to append the user defined
       * pythondir to Python's sys.path at this point.  Simply putting
       * BIF_init() before BPY_start_python() crashes Blender at startup.
       * Update: now this function also inits the bpymenus, which also depend
       * on U.pythondir.
       */
      BPY_post_start_python();

      RE_init_filt_mask();

#ifdef WITH_QUICKTIME

      quicktime_init();

#endif /* WITH_QUICKTIME */

      /* OK we are ready for it */

      for(a=1; a<argc; a++) {
            if (G.afbreek==1) break;

            if(argv[a][0] == '-') {
                  switch(argv[a][1]) {
                  case 'p':   /* prefsize */
                        a+= 4;
                        break;

                  case 'g':
                        {
                        /**
                        gameengine parameters are automaticly put into system
                        -g [paramname = value]
                        -g [boolparamname]
                        example:
                        -g novertexarrays
                        -g maxvertexarraysize = 512
                        */

                              if(++a < argc)
                              {
                                    char* paramname = argv[a];
                                    /* check for single value versus assignment */
                                    if (a+1 < argc && (*(argv[a+1]) == '='))
                                    {
                                          a++;
                                          if (a+1 < argc)
                                          {
                                                a++;
                                                /* assignment */
                                                SYS_WriteCommandLineString(syshandle,paramname,argv[a]);
                                          }  else
                                          {
                                                printf("error: argument assignment (%s) without value.\n",paramname);
                                          }
                                          /* name arg eaten */

                                    } else
                                    {

                                          SYS_WriteCommandLineInt(syshandle,argv[a],1);

                                          /* doMipMap */
                                          if (!strcmp(argv[a],"nomipmap"))
                                          {
                                                set_mipmap(0); //doMipMap = 0;
                                          }
                                          /* linearMipMap */
                                          if (!strcmp(argv[a],"linearmipmap"))
                                          {
                                                set_linear_mipmap(1); //linearMipMap = 1;
                                          }


                                    } /* if (*(argv[a+1]) == '=') */
                              } /*  if(++a < argc)  */
                              break;
                        }
                  case 'f':
                        a++;
                        if (G.scene && a < argc) {
                              G.real_sfra = (G.scene->r.sfra);
                              G.real_efra = (G.scene->r.efra);
                              (G.scene->r.sfra) = atoi(argv[a]);
                              (G.scene->r.efra) = (G.scene->r.sfra);
                              RE_animrender(NULL);
                        }
                        break;
                  case 'a':
                        if (G.scene) {
                              G.real_sfra = (G.scene->r.sfra);
                              G.real_efra = (G.scene->r.efra);
                              RE_animrender(NULL);
                        }
                        break;
                  case 'S':
                        if(++a < argc) {
                              set_scene_name(argv[a]);
                        }
                        break;
                  case 's':
                        a++;
                        if(G.scene) {
                              if (a < argc) (G.scene->r.sfra) = atoi(argv[a]);
                        }
                        break;
                  case 'e':
                        a++;
                        if(G.scene) {
                              if (a < argc) (G.scene->r.efra) = atoi(argv[a]);
                        }
                        break;
                  case 'P':
                        a++;
                        if (a < argc) BPY_run_python_script (argv[a]);
                        else printf("\nError: you must specify a Python script after '-P '.\n");
                        break;
                  }
            }
            else {
                  BKE_read_file(argv[a], NULL);
                  sound_initialize_sounds();
            }
      }

      if(G.background)
      {
            exit_usiblender();
      }

      setscreen(G.curscreen);

      if(G.main->scene.first==0) {
            sce= add_scene("1");
            set_scene(sce);
      }

      screenmain();

      return 0;
} /* end of int main(argc,argv)     */

static void error_cb(char *err)
{
      error("%s", err);
}

void setCallbacks(void)
{
      /* Error output from the alloc routines: */
      MEM_set_error_stream(stderr);


      /* BLI_blenlib: */

      BLI_setErrorCallBack(error_cb); /* */
      BLI_setInterruptCallBack(blender_test_break);

      /* render module: execution flow, timers, cursors and display. */
      RE_set_getrenderdata_callback(RE_rotateBlenderScene);
      RE_set_freerenderdata_callback(RE_freeRotateBlenderScene);
}

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