Add omitted file.

Engine/objects.H

@@ -0,0 +1,183 @@
+
+/*******************************************************************************/
+/* Copyright (C) 2008 Jonathan Moore Liles                                     */
+/*                                                                             */
+/* 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.                                                  */
+/*                                                                             */
+/* 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; see the file COPYING.  If not,write to the Free Software */
+/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+/*******************************************************************************/
+
+/* these are all the objects whose state must be recorded, this
+   includes tracks, regions, etc. Relevant interfaces must be fully compatible
+   with those in the Timeline program. */
+
+#include "Audio_File.H"
+#include "Loggable.H"
+
+typedef unsigned long nframes_t;
+
+class Track_Widget
+{
+
+protected:
+
+    nframes_t _offset;
+    nframes_t _start;
+    nframes_t _end;
+    bool _selected;
+
+};
+
+/* macros to simplify serialization code */
+#define START( n ) char **sa = (char **)malloc( sizeof( char * ) * (1 + (n) ) ); int i = 0
+#define PUT( fmt, arg ) asprintf( &sa[ i++ ], (fmt), (arg) )
+#define END() sa[ i ] = NULL; return sa;
+
+#define SWITCH do
+#define CASE( arg ) if ( ! strcmp( s, ( arg ) ) )
+#define GET( arg, act ) CASE( arg ) { act ; break; }
+
+
+class Track : public Loggable
+{
+
+
+
+};
+
+class Region : public Loggable, public Track_Widget
+{
+
+    Track *_track;
+    Audio_File *_clip;                                          /* clip this region represents */
+    float _scale;                                               /* amplitude adjustment */
+
+protected:
+
+    const char *class_name ( void ) { return "Region"; }
+
+    char ** get ( void )
+        {
+            START( 7 );
+
+            PUT( ":source \"%s\"", _clip ? _clip->name() : "" );
+            PUT( ":track 0x%X", _track ? _track->id() : 0 );
+            PUT( ":x %lu", _offset );
+            PUT( ":l %lu", _start );
+            PUT( ":r %lu", _end );
+            PUT( ":selected %d", _selected );
+            PUT( ":gain %f", _scale );
+
+            END();
+        }
+
+    void
+    set ( char **sa )
+        {
+            for ( int i = 0; sa[i]; ++i )
+            {
+                char *s = sa[i];
+                char *v = s + strlen( s ) + 1;
+
+                SWITCH
+                {
+                    GET( ":x", _offset = atol( v ) );
+                    GET( ":l" , _start = atol( v ) );
+                    GET( ":r", _end = atol( v ) );
+                    CASE( ":selected" )
+                    {
+                        if ( atoi( v ) )
+                            select();
+                        else
+                            deselect();
+
+                        break;
+                    }
+                    GET( ":gain", _scale = atof( v ) );
+                    CASE( ":source" )
+                    {
+                        if ( ! ( _clip = Audio_File::from_file( v ) ) )
+                            printf( "Grave error: could not open source \"%s\"\n", v );
+                        break;
+                    }
+                    CASE( ":track" )
+                    {
+                        int i;
+                        sscanf( v, "%X", &i );
+                        Track *t = (Track*)Loggable::find( i );
+
+                        assert( t );
+
+                        t->add( this );
+                        break;
+                    }
+                }
+
+
+                free( s );
+            }
+
+            free( sa );
+        }
+};
+
+
+class Time_Point : public Track_Widget
+{
+
+protected:
+
+    char ** get ( void )
+        {
+            START( 4 );
+
+            PUT( ":track 0x%X", _track ? _track->id() : 0 );
+            PUT( ":x %lu", _offset );
+            PUT( ":beats_per_bar %d", _time.beats_per_bar );
+            PUT( ":beat_type %d", _time.beat_type );
+
+            END();
+        }
+
+    void
+    set ( char **sa )
+        {
+            for ( int i = 0; sa[i]; ++i )
+            {
+                char *s = sa[i];
+                char *v = s + strlen( s ) + 1;
+
+                SWITCH
+                {
+                    GET( ":x", _offset = atol( v ) );
+                    GET( ":beats_per_bar", _time.beats_per_bar = atoi( v ) );
+                    GET( ":beat_type", _time.beat_type = atoi( v ) );
+                    CASE( ":track" )
+                    {
+                        int i;
+                        sscanf( v, "%X", &i );
+                        Track *t = (Track*)Loggable::find( i );
+
+                        assert( t );
+
+                        t->add( this );
+                        break;
+                    }
+
+                    free( s );
+                }
+
+                free( sa );
+            }
+        }
+};