diff options
Diffstat (limited to 'exciter.c')
| -rw-r--r-- | exciter.c | 823 |
1 files changed, 823 insertions, 0 deletions
diff --git a/exciter.c b/exciter.c new file mode 100644 index 0000000..cfbd365 --- /dev/null +++ b/exciter.c @@ -0,0 +1,823 @@ +/* Copyright (c) 2002 Yves Degoyon. */ +/* For information on usage and redistribution, and for a DISCLAIMER OF ALL */ +/* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ +/* */ +/* exciter : a graphical object which enables */ +/* to schedule bang events on a time scale */ +/* */ +/* 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. */ +/* */ +/* See file LICENSE for further informations on licensing terms. */ +/* */ +/* 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. */ +/* */ +/* Based on PureData by Miller Puckette and others. */ +/* */ +/* Made while listening to : */ +/* */ +/* "You're a maniac" */ +/* "To fullfill the emptyness" */ +/* Mecano ( no, not the spanish ones !!! ) - Escape The Human Myth */ +/* ---------------------------------------------------------------------------- */ + + +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <math.h> +#include <ctype.h> +#include <time.h> +#include <sys/time.h> +#include "m_pd.h" +#include "m_imp.h" +#include "g_canvas.h" + +#include "exciter.h" + +#ifdef _WIN32 +#include <io.h> +#else +#include <unistd.h> +#endif + +/* needed to create a exciter from PD's menu +void canvas_objtext(t_glist *gl, int xpos, int ypos, int selected, t_binbuf *b); +void canvas_startmotion(t_canvas *x); +*/ + +#define DEFAULT_EXCITER_WIDTH 200 +#define DEFAULT_EXCITER_HEIGHT 200 +#define DEFAULT_EXCITER_GRAIN 0.1 +#define DEFAULT_EXCITER_NBEVENTS 8 + +#define EXCITER_PIXEL_GRAIN 5 + +static char *exciter_version = "exciter: a bang-events sequencer, version 0.5 (ydegoyon@free.fr)"; + +t_widgetbehavior exciter_widgetbehavior; +static t_class *exciter_class; +static int excitercount=0; + +static int guidebug=0; +static int pointsize = 5; + +#define SYS_VGUI2(a,b) if (guidebug) \ + post(a,b);\ + sys_vgui(a,b) + +#define SYS_VGUI3(a,b,c) if (guidebug) \ + post(a,b,c);\ + sys_vgui(a,b,c) + +#define SYS_VGUI4(a,b,c,d) if (guidebug) \ + post(a,b,c,d);\ + sys_vgui(a,b,c,d) + +#define SYS_VGUI5(a,b,c,d,e) if (guidebug) \ + post(a,b,c,d,e);\ + sys_vgui(a,b,c,d,e) + +#define SYS_VGUI6(a,b,c,d,e,f) if (guidebug) \ + post(a,b,c,d,e,f);\ + sys_vgui(a,b,c,d,e,f) + +#define SYS_VGUI7(a,b,c,d,e,f,g) if (guidebug) \ + post(a,b,c,d,e,f,g);\ + sys_vgui(a,b,c,d,e,f,g) + +#define SYS_VGUI8(a,b,c,d,e,f,g,h) if (guidebug) \ + post(a,b,c,d,e,f,g,h);\ + sys_vgui(a,b,c,d,e,f,g,h) + +#define SYS_VGUI9(a,b,c,d,e,f,g,h,i) if (guidebug) \ + post(a,b,c,d,e,f,g,h,i);\ + sys_vgui(a,b,c,d,e,f,g,h,i) + +#define SYS_VGUI13(a,b,c,d,e,f,g,h,i,j,k,l,m) if (guidebug) \ + post(a,b,c,d,e,f,g,h,i,j,k,l,m);\ + sys_vgui(a,b,c,d,e,f,g,h,i,j,k,l,m) + +/* drawing functions */ + +/* draw an event */ +static void exciter_draw_gem(t_exciter *x, t_glist *glist, t_int ix, t_int iy) +{ + t_int polyray = ( x->x_height / x->x_nbevents) / 2; + t_canvas *canvas=glist_getcanvas(glist); + + SYS_VGUI13(".x%x.c create polygon %d %d %d %d %d %d %d %d -outline #000000 -fill #FFFFFF -tags %xEVENT%.4d%.4d\n", + canvas, + text_xpix(&x->x_obj, glist) + ix*EXCITER_PIXEL_GRAIN, + text_ypix(&x->x_obj, glist) + x->x_height - (iy+1)*x->x_height/x->x_nbevents + 2*polyray, + text_xpix(&x->x_obj, glist) + ix*EXCITER_PIXEL_GRAIN + polyray, + text_ypix(&x->x_obj, glist) + x->x_height - (iy+1)*x->x_height/x->x_nbevents + polyray, + text_xpix(&x->x_obj, glist) + ix*EXCITER_PIXEL_GRAIN + 2*polyray, + text_ypix(&x->x_obj, glist) + x->x_height - (iy+1)*x->x_height/x->x_nbevents, + text_xpix(&x->x_obj, glist) + ix*EXCITER_PIXEL_GRAIN + polyray, + text_ypix(&x->x_obj, glist) + x->x_height - (iy+1)*x->x_height/x->x_nbevents - polyray, + x, ix, iy); +} + +/* delete an event */ +static void exciter_delete_gem(t_exciter *x, t_glist *glist, t_int ix, t_int iy) +{ + t_canvas *canvas=glist_getcanvas(glist); + + SYS_VGUI5(".x%x.c delete %xEVENT%.4d%.4d\n", canvas, x, ix, iy ); +} + +static void exciter_draw_update(t_exciter *x, t_glist *glist) +{ + int ei, gi; + + t_canvas *canvas=glist_getcanvas(glist); + for ( ei=0; ei<x->x_nbevents; ei++ ) + { + for ( gi=0; gi<(x->x_width/EXCITER_PIXEL_GRAIN); gi++ ) + { + if( *(x->x_sbangs+ei*(x->x_width/EXCITER_PIXEL_GRAIN)+gi) == 1 ) + { + exciter_draw_gem(x, glist, gi, ei ); + } + else + { + exciter_delete_gem(x, glist, gi, ei ); + } + } + } +} + +static void exciter_draw_new(t_exciter *x, t_glist *glist) +{ + t_canvas *canvas=glist_getcanvas(glist); + t_int ei; + + SYS_VGUI7(".x%x.c create rectangle %d %d %d %d -outline #000000 -fill #902181 -tags %xLINE\n", + canvas, text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist), + text_xpix(&x->x_obj, glist)+x->x_width, text_ypix(&x->x_obj, glist)+x->x_height, + x); + SYS_VGUI5(".x%x.c create text %d %d -font -*-courier-bold--normal--10-* -text \"0 s\" -tags %xLOWERCAPTION\n", + canvas, text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist) + x->x_height + 10, x ); + SYS_VGUI6(".x%x.c create text %d %d -font -*-courier-bold--normal--10-* -text \"%.2f s\" -tags %xHIGHERCAPTION\n", + canvas, text_xpix(&x->x_obj, glist) + x->x_width, text_ypix(&x->x_obj, glist) + x->x_height + 10, + x->x_width/EXCITER_PIXEL_GRAIN*x->x_timegrain , x); + SYS_VGUI7(".x%x.c create rectangle %d %d %d %d -outline #000000 -fill #000000 -tags %xIN\n", + canvas, text_xpix(&x->x_obj, glist), + text_ypix(&x->x_obj, glist) - 2, + text_xpix(&x->x_obj, glist) + 5, + text_ypix(&x->x_obj, glist) , + x); + if ( x->x_nbevents > 1 ) + { + for ( ei=0; ei<x->x_nbevents; ei++ ) + { + SYS_VGUI8(".x%x.c create rectangle %d %d %d %d -outline #000000 -fill #000000 -tags %xOUT%d\n", + canvas, text_xpix(&x->x_obj, glist) + ( ei * (x->x_width - 5) )/ (x->x_nbevents-1), + text_ypix(&x->x_obj, glist) + x->x_height, + text_xpix(&x->x_obj, glist) + ( ei * (x->x_width - 5) )/ (x->x_nbevents-1) + 5, + text_ypix(&x->x_obj, glist) + x->x_height + 2, + x, ei); + } + } + else + { + SYS_VGUI8(".x%x.c create rectangle %d %d %d %d -outline #000000 -fill #000000 -tags %xOUT%d\n", + canvas, text_xpix(&x->x_obj, glist), + text_ypix(&x->x_obj, glist) + x->x_height, + text_xpix(&x->x_obj, glist) + 5, + text_ypix(&x->x_obj, glist) + x->x_height + 2, + x, 0); + } + canvas_fixlinesfor( canvas, (t_text*)x ); +} + +static void exciter_draw_move(t_exciter *x, t_glist *glist) +{ + t_canvas *canvas=glist_getcanvas(glist); + t_int polyray = ( x->x_height / x->x_nbevents) / 2; + t_int ei, gi; + + SYS_VGUI7(".x%x.c coords %xLINE %d %d %d %d \n", + canvas, x, text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist), + text_xpix(&x->x_obj, glist)+x->x_width, text_ypix(&x->x_obj, glist)+x->x_height + ); + SYS_VGUI5(".x%x.c coords %xLOWERCAPTION %d %d\n", + canvas, x, text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist) + x->x_height + 10 ); + SYS_VGUI5(".x%x.c coords %xHIGHERCAPTION %d %d\n", + canvas, x, text_xpix(&x->x_obj, glist) + x->x_width, text_ypix(&x->x_obj, glist) + x->x_height + 10); + SYS_VGUI7(".x%x.c coords %xIN %d %d %d %d\n", + canvas, x, text_xpix(&x->x_obj, glist), + text_ypix(&x->x_obj, glist) - 2, + text_xpix(&x->x_obj, glist) + 5, + text_ypix(&x->x_obj, glist) + ); + if ( x->x_nbevents > 1 ) + { + for ( ei=0; ei<x->x_nbevents; ei++ ) + { + SYS_VGUI8(".x%x.c coords %xOUT%d %d %d %d %d\n", + canvas, x, ei, text_xpix(&x->x_obj, glist) + ( ei * (x->x_width - 5) )/ (x->x_nbevents-1), + text_ypix(&x->x_obj, glist) + x->x_height, + text_xpix(&x->x_obj, glist) + ( ei * (x->x_width - 5) )/ (x->x_nbevents-1) + 5, + text_ypix(&x->x_obj, glist) + x->x_height + 2 + ); + } + } + else + { + SYS_VGUI8(".x%x.c coords %xOUT%d %d %d %d %d\n", + canvas, x, 0, text_xpix(&x->x_obj, glist), + text_ypix(&x->x_obj, glist) + x->x_height, + text_xpix(&x->x_obj, glist) + 5, + text_ypix(&x->x_obj, glist) + x->x_height + 2 + ); + } + for ( ei=0; ei<x->x_nbevents; ei++ ) + { + for ( gi=0; gi<(x->x_width/EXCITER_PIXEL_GRAIN); gi++ ) + { + SYS_VGUI13(".x%x.c coords %xEVENT%.4d%.4d %d %d %d %d %d %d %d %d\n", + canvas, x, gi, ei, + text_xpix(&x->x_obj, glist) + gi*EXCITER_PIXEL_GRAIN, + text_ypix(&x->x_obj, glist) + x->x_height - (ei+1)*x->x_height/x->x_nbevents + 2*polyray, + text_xpix(&x->x_obj, glist) + gi*EXCITER_PIXEL_GRAIN + polyray, + text_ypix(&x->x_obj, glist) + x->x_height - (ei+1)*x->x_height/x->x_nbevents + polyray, + text_xpix(&x->x_obj, glist) + gi*EXCITER_PIXEL_GRAIN + 2*polyray, + text_ypix(&x->x_obj, glist) + x->x_height - (ei+1)*x->x_height/x->x_nbevents, + text_xpix(&x->x_obj, glist) + gi*EXCITER_PIXEL_GRAIN + polyray, + text_ypix(&x->x_obj, glist) + x->x_height - (ei+1)*x->x_height/x->x_nbevents - polyray + ); + } + } + canvas_fixlinesfor( canvas, (t_text*)x ); +} + +static void exciter_draw_erase(t_exciter* x,t_glist* glist) +{ + t_canvas *canvas=glist_getcanvas(glist); + int i, ei, gi; + + SYS_VGUI3(".x%x.c delete %xLINE\n", canvas, x ); + SYS_VGUI3(".x%x.c delete %xLOWERCAPTION\n", canvas, x ); + SYS_VGUI3(".x%x.c delete %xHIGHERCAPTION\n", canvas, x ); + SYS_VGUI3(".x%x.c delete %xIN\n", canvas, x ); + for ( ei=0; ei<x->x_nbevents; ei++ ) + { + for ( gi=0; gi<(x->x_width/EXCITER_PIXEL_GRAIN); gi++ ) + { + if( *(x->x_sbangs+ei*(x->x_width/EXCITER_PIXEL_GRAIN)+gi) != 0 ) + { + exciter_delete_gem( x, glist, gi, ei ); + } + } + SYS_VGUI4(".x%x.c delete %xOUT%d\n", canvas, x, ei ); + } +} + +static void exciter_draw_select(t_exciter* x,t_glist* glist) +{ + t_canvas *canvas=glist_getcanvas(glist); + + if(x->x_selected) + { + /* sets the main item in blue */ + SYS_VGUI3(".x%x.c itemconfigure %xLINE -outline #0000FF\n", canvas, x); + + } + else + { + /* sets the main item in black */ + SYS_VGUI3(".x%x.c itemconfigure %xLINE -outline #000000\n", canvas, x); + } +} + +/* ------------------------ exciter widgetbehaviour----------------------------- */ + + +static void exciter_getrect(t_gobj *z, t_glist *owner, + int *xp1, int *yp1, int *xp2, int *yp2) +{ + t_exciter* x = (t_exciter*)z; + + *xp1 = text_xpix(&x->x_obj, owner); + *yp1 = text_ypix(&x->x_obj, owner); + *xp2 = text_xpix(&x->x_obj, owner)+x->x_width; + *yp2 = text_ypix(&x->x_obj, owner)+x->x_height; +} + +static void exciter_save(t_gobj *z, t_binbuf *b) +{ + t_exciter *x = (t_exciter *)z; + int ei,gi; + + binbuf_addv(b, "ssiisiiifii", gensym("#X"),gensym("obj"), + (t_int)x->x_obj.te_xpix, (t_int)x->x_obj.te_ypix, + atom_getsymbol(binbuf_getvec(x->x_obj.te_binbuf)), + x->x_width, x->x_height, + x->x_nbevents, x->x_timegrain, + x->x_loop, x->x_save + ); + if ( x->x_save ) + { + for ( ei=0; ei<x->x_nbevents; ei++ ) + { + for ( gi=0; gi<(x->x_width/EXCITER_PIXEL_GRAIN); gi++ ) + { + if( *(x->x_sbangs+ei*(x->x_width/EXCITER_PIXEL_GRAIN)+gi) == 1 ) + { + // post( "exciter : saving ( %d, %d )", ei, gi ); + binbuf_addv(b, "ii", ei, gi ); + } + } + } + } + binbuf_addv(b, ";"); +} + +static void exciter_properties(t_gobj *z, t_glist *owner) +{ + char buf[800]; + t_exciter *x=(t_exciter *)z; + + sprintf(buf, "pdtk_exciter_dialog %%s %d %d %d %.2f %d %d\n", + x->x_width, x->x_height, x->x_nbevents, x->x_timegrain, x->x_loop, x->x_save ); + // post("exciter_properties : %s", buf ); + gfxstub_new(&x->x_obj.ob_pd, x, buf); +} + +static void exciter_select(t_gobj *z, t_glist *glist, int selected) +{ + t_exciter *x = (t_exciter *)z; + + x->x_selected = selected; + exciter_draw_select( x, glist ); +} + +static void exciter_vis(t_gobj *z, t_glist *glist, int vis) +{ + t_exciter *x = (t_exciter *)z; + + post("exciter_vis : %d", vis ); + if (vis) + { + exciter_draw_new( x, glist ); + exciter_draw_update( x, glist ); + } + else + { + exciter_draw_erase( x, glist ); + } +} + + /* resuming the triggering of events */ +static void exciter_resume(t_exciter *x) +{ + x->x_started = 1; +} + + /* pausing the triggering of events */ +static void exciter_pause(t_exciter *x) +{ + x->x_started = 0; +} + + /* trigger events -- no dsp processing */ +static void exciter_dialog(t_exciter *x, t_symbol *s, int argc, t_atom *argv) +{ + t_int onbevents, owidth, ei, gi, bi; + t_canvas *canvas=glist_getcanvas(x->x_glist); + + if ( !x ) { + post( "exciter : error :tried to set properties on an unexisting object" ); + } + onbevents = x->x_nbevents; + owidth = x->x_width; + exciter_draw_erase(x, x->x_glist); + if ( argc < 6 ) + { + post( "exciter : error in the number of arguments ( %d )", argc ); + return; + } + if ( argv[0].a_type != A_FLOAT || argv[1].a_type != A_FLOAT || + argv[2].a_type != A_FLOAT || argv[3].a_type != A_FLOAT || + argv[4].a_type != A_FLOAT || argv[5].a_type != A_FLOAT ) + { + post( "exciter : wrong arguments" ); + return; + } + + exciter_pause( x ); + x->x_width = argv[0].a_w.w_float; + if ( x->x_width <= 0 ) x->x_width = 100; + x->x_height = argv[1].a_w.w_float; + if ( x->x_height <= 0 ) x->x_height = 100; + x->x_nbevents = argv[2].a_w.w_float; + if ( x->x_nbevents < 1 ) x->x_nbevents = 1; + x->x_timegrain = argv[3].a_w.w_float; + if ( x->x_timegrain < 0.01 ) + { + post ("exciter : incorrect time grain : forced to 1 tick ( 10 ms )" ); + x->x_timegrain = 0.01; + } + x->x_loop = argv[4].a_w.w_float; + x->x_save = argv[5].a_w.w_float; + x->x_started = 0; + x->x_reltime = 0L; + x->x_plooptime = 0L; + x->x_gindex = -1; + x->x_looplength = x->x_timegrain * x->x_width * 1000 / EXCITER_PIXEL_GRAIN; + + // re-allocate arrays and keep old events + post( "exciter : re-allocate events" ); + if ( onbevents != x->x_nbevents || owidth != x->x_width ) + { + t_int mevents = ( onbevents > x->x_nbevents ) ? x->x_nbevents : onbevents; + t_int mwidth = ( owidth > x->x_width ) ? x->x_width : owidth; + t_int *newbangs; + + newbangs = (t_int*) getbytes( x->x_nbevents*x->x_width/EXCITER_PIXEL_GRAIN*sizeof(t_int) ); + memset( newbangs, 0x0, x->x_nbevents*x->x_width/EXCITER_PIXEL_GRAIN*sizeof(t_int) ); + for ( ei=0; ei<mevents; ei++ ) + { + for ( gi=0; gi<(mwidth/EXCITER_PIXEL_GRAIN); gi++ ) + { + *(newbangs+ei*(x->x_width/EXCITER_PIXEL_GRAIN)+gi ) = + *(x->x_sbangs+ei*(owidth/EXCITER_PIXEL_GRAIN)+gi ); + } + } + if ( x->x_sbangs ) + freebytes( x->x_sbangs, onbevents*owidth/EXCITER_PIXEL_GRAIN*sizeof(t_int) ); + x->x_sbangs = newbangs; + } + + // re-allocate outlets + post( "exciter : re-allocate outlets" ); + if ( onbevents != x->x_nbevents ) + { + post( "exciter : cleaning up old outlets" ); + if ( x->x_bangs ) + { + for ( ei=0; ei<onbevents; ei++ ) + { + outlet_free( x->x_bangs[ei] ); + } + freebytes( x->x_bangs, onbevents*sizeof(t_outlet*) ); + } + post( "exciter : creating new ones" ); + x->x_bangs = (t_outlet **) getbytes( x->x_nbevents*sizeof(t_outlet **) ); + for ( bi=0; bi<x->x_nbevents; bi++ ) + { + x->x_bangs[bi] = outlet_new( &x->x_obj, &s_bang ); + } + } + canvas_fixlinesfor( canvas, (t_text*)x ); + exciter_draw_new(x, x->x_glist); + exciter_draw_update(x, x->x_glist); + exciter_resume( x ); +} + +static void exciter_delete(t_gobj *z, t_glist *glist) +{ + canvas_deletelinesfor(glist, (t_text *)z); +} + +static void exciter_displace(t_gobj *z, t_glist *glist, int dx, int dy) +{ + t_exciter *x = (t_exciter *)z; + t_int xold = text_xpix(&x->x_obj, glist); + t_int yold = text_ypix(&x->x_obj, glist); + + // post( "exciter_displace dx=%d dy=%d", dx, dy ); + + x->x_obj.te_xpix += dx; + x->x_obj.te_ypix += dy; + if(xold != text_xpix(&x->x_obj, glist) || yold != text_ypix(&x->x_obj, glist)) + { + exciter_draw_move(x, glist); + } +} + +static int exciter_click(t_gobj *z, struct _glist *glist, + int xpix, int ypix, int shift, int alt, int dbl, int doit) +{ + t_exciter* x = (t_exciter *)z; + t_int nevent, npix; + + if ( doit) + { + nevent = ( 1 - ( ( ypix - ( (float)x->x_height / (float) x->x_nbevents / 2 ) + - text_ypix(&x->x_obj, glist)) / (float)x->x_height ) )*(x->x_nbevents-1); + npix = ( xpix - 1 - text_xpix(&x->x_obj, glist)) / EXCITER_PIXEL_GRAIN; + // post( "exciter : selected event (%d,%d)", nevent, npix ); + // set or unset event + { + if ( *(x->x_sbangs+nevent*(x->x_width/EXCITER_PIXEL_GRAIN)+npix ) == 1 ) + { + *(x->x_sbangs+nevent*(x->x_width/EXCITER_PIXEL_GRAIN)+npix ) = 0; + exciter_delete_gem( x, glist, npix, nevent ); + } + else + { + *(x->x_sbangs+nevent*(x->x_width/EXCITER_PIXEL_GRAIN)+npix ) = 1; + exciter_draw_gem( x, glist, npix, nevent ); + } + } + } + return (1); +} + +static t_exciter *exciter_new(t_symbol *s, int argc, t_atom *argv) +{ + int bi, i, ei, gi; + t_exciter *x; + t_pd *x2; + + // post( "exciter_new : create : %s argc =%d", s->s_name, argc ); + + x = (t_exciter *)pd_new(exciter_class); + x->x_glist = (t_glist *) canvas_getcurrent(); + // new exciter created from the gui + if ( argc != 0 ) + { + if ( argc < 6 ) + { + post( "exciter : error in the number of arguments ( %d )", argc ); + return NULL; + } + if ( argv[0].a_type != A_FLOAT || argv[1].a_type != A_FLOAT || + argv[2].a_type != A_FLOAT || argv[3].a_type != A_FLOAT || + argv[4].a_type != A_FLOAT || argv[5].a_type != A_FLOAT ) + { + post( "exciter : wrong arguments" ); + return NULL; + } + + x->x_width = argv[0].a_w.w_float; + x->x_height = argv[1].a_w.w_float; + x->x_nbevents = argv[2].a_w.w_float; + if ( x->x_nbevents < 1 ) x->x_nbevents = 1; + x->x_timegrain = argv[3].a_w.w_float; + x->x_loop = argv[4].a_w.w_float; + x->x_save = argv[5].a_w.w_float; + } + else + { + x->x_width = DEFAULT_EXCITER_WIDTH; + x->x_height = DEFAULT_EXCITER_HEIGHT; + x->x_nbevents = DEFAULT_EXCITER_NBEVENTS; + x->x_timegrain = DEFAULT_EXCITER_GRAIN; + x->x_loop = 1; + x->x_save = 1; + + } + + // common fields for new and restored exciters + x->x_sbangs = (t_int*) getbytes( x->x_nbevents*x->x_width/EXCITER_PIXEL_GRAIN*sizeof(t_int) ); + for ( ei=0; ei<x->x_nbevents; ei++ ) + { + for ( gi=0; gi<(x->x_width/EXCITER_PIXEL_GRAIN); gi++ ) + { + *(x->x_sbangs+ei*(x->x_width/EXCITER_PIXEL_GRAIN)+gi) = 0; + } + } + memset( x->x_sbangs, 0x0, x->x_nbevents*x->x_width/EXCITER_PIXEL_GRAIN*sizeof(t_int) ); + x->x_selected = 0; + x->x_started = 0; + x->x_reltime = 0L; + x->x_plooptime = 0L; + x->x_gindex = -1; + x->x_looplength = x->x_timegrain * x->x_width * 1000 / EXCITER_PIXEL_GRAIN; + + x->x_bangs = (t_outlet **) getbytes( x->x_nbevents*sizeof(t_outlet **) ); + for ( bi=0; bi<x->x_nbevents; bi++ ) + { + x->x_bangs[bi] = outlet_new( &x->x_obj, &s_bang ); + } + + // post( "exciter : argc : %d", argc ); + if ( ( argc != 0 ) && ( x->x_save ) ) + { + int ai = 6; + int si = 0; + + while ( ai < argc - 1 ) + { + *(x->x_sbangs + +((int)argv[ai].a_w.w_float)*(x->x_width/EXCITER_PIXEL_GRAIN) + +(int)argv[ai+1].a_w.w_float) = 1; + ai += 2; + } + } + post( "exciter_new width: %d height : %d", x->x_width, x->x_height ); + + return (x); +} + +static void exciter_dump(t_exciter *x) +{ + t_int ei, gi; + + for ( ei=0; ei<x->x_nbevents; ei++ ) + { + for ( gi=0; gi<(x->x_width/EXCITER_PIXEL_GRAIN); gi++ ) + { + if ( *(x->x_sbangs+ei*(x->x_width/EXCITER_PIXEL_GRAIN)+gi ) != 0 ) + { + post( "exciter : value ( %d, %d ) : %d", ei, gi, + *(x->x_sbangs+ei*(x->x_width/EXCITER_PIXEL_GRAIN)+gi ) ); + } + } + } +} + + /* clearing all events */ +static void exciter_clear(t_exciter *x) +{ + t_int ei, gi; + + for ( ei=0; ei<x->x_nbevents; ei++ ) + { + for ( gi=0; gi<(x->x_width/EXCITER_PIXEL_GRAIN); gi++ ) + { + *(x->x_sbangs+ei*(x->x_width/EXCITER_PIXEL_GRAIN)+gi ) = 0; + } + } + exciter_draw_update( x, x->x_glist ); +} + + + /* starting the triggering of events */ +static void exciter_start(t_exciter *x) +{ + x->x_started = 1; + x->x_reltime = 0L; + x->x_plooptime = 0L; + x->x_gindex = -1; +} + + /* stop the triggering of events */ +static void exciter_stop(t_exciter *x) +{ + x->x_started = 0; +} + + /* reset the triggering of events */ +static void exciter_reset(t_exciter *x) +{ + x->x_reltime = 0L; + x->x_plooptime = 0L; + x->x_gindex = -1; +} + +static t_int *exciter_perform(t_int *w) +{ + t_int ei, gi; + t_int gstart, gend; + t_exciter* x = (t_exciter*)(w[1]); + struct timeval tv; + struct timezone tz; + long long looptime = 0L; + double preltime = x->x_reltime; + t_canvas *canvas=glist_getcanvas(x->x_glist); + + if ( x->x_started ) + { + // get current time in ms + gettimeofday( &tv, &tz ); + looptime = tv.tv_sec*1000 + tv.tv_usec/1000; + if ( x->x_plooptime == 0L ) + { + x->x_plooptime = looptime; + } + x->x_reltime += ( looptime - x->x_plooptime ); + if ( x->x_reltime > x->x_looplength ) + { + if ( x->x_loop ) + { + // post( "exciter : restarting loop" ); + x->x_reltime = 0; + preltime = 0; + x->x_gindex = -1; + } + else + { + // post( "exciter : end of the loop" ); + x->x_reltime = 0; + x->x_started = 0; + } + } + gstart = preltime/(x->x_timegrain*1000); + gend = x->x_reltime/(x->x_timegrain*1000); + + // prevent overflow due to long long precision + if ( gstart > x->x_width/EXCITER_PIXEL_GRAIN-1 ) gstart = x->x_width/EXCITER_PIXEL_GRAIN-1; + if ( gstart < 0 ) gstart = 0; + if ( gend > x->x_width/EXCITER_PIXEL_GRAIN-1 ) gend = x->x_width/EXCITER_PIXEL_GRAIN-1 ; + if ( gend < 0 ) gend = 0; + if ( gstart > x->x_gindex ) + { + // post( "exciter : focus slice : (%d,%d)", gstart, gend ); + for ( gi=x->x_gindex+1; gi<=gend; gi++ ) + { + for ( ei=0; ei<x->x_nbevents; ei++ ) + { + if ( *(x->x_sbangs+ei*(x->x_width/EXCITER_PIXEL_GRAIN)+gi ) == 1 ) + { + outlet_bang( x->x_bangs[ ei ] ); + SYS_VGUI5(".x%x.c itemconfigure %xEVENT%.4d%.4d -fill #00FF00\n", + canvas, x, gi, ei); + } + } + } + // unfocus previous events + if ( gstart >= x->x_width/EXCITER_PIXEL_GRAIN - 1) + gstart = x->x_width/EXCITER_PIXEL_GRAIN; // not too proud of this one + // post( "exciter : unfocus slice : (%d,%d)", x->x_gindex, gstart-1 ); + for ( gi=x->x_gindex; gi<gstart; gi++ ) + { + for ( ei=0; ei<x->x_nbevents; ei++ ) + { + if ( *(x->x_sbangs+ei*(x->x_width/EXCITER_PIXEL_GRAIN)+gi ) == 1 ) + { + SYS_VGUI5(".x%x.c itemconfigure %xEVENT%.4d%.4d -fill #FFFFFF\n", + canvas, x, gi, ei); + } + } + } + x->x_gindex = gend; + } + } + + x->x_plooptime = looptime; + return (w+2); +} + +static void exciter_dsp(t_exciter *x, t_signal **sp) +{ + dsp_add(exciter_perform, 1, x); +} + +static void exciter_free(t_exciter *x) +{ + t_int ei; + + // post( "exciter~: exciter_free" ); + if ( x->x_bangs ) + { + for ( ei=0; ei<x->x_nbevents; ei++ ) + { + outlet_free( x->x_bangs[ei] ); + } + freebytes( x->x_bangs, x->x_nbevents*sizeof(t_outlet*) ); + } + if ( x->x_sbangs ) + { + freebytes( x->x_sbangs, x->x_nbevents*x->x_width/EXCITER_PIXEL_GRAIN*sizeof(t_int) ); + } +} + +void exciter_setup(void) +{ + post( exciter_version ); + exciter_class = class_new(gensym("exciter"), (t_newmethod)exciter_new, + (t_method)exciter_free, sizeof(t_exciter), 0, A_GIMME, 0); + class_addmethod(exciter_class, (t_method)exciter_dialog, gensym("dialog"), A_GIMME, 0); + class_addmethod(exciter_class, (t_method)exciter_dump, gensym("dump"), 0); + class_addmethod(exciter_class, (t_method)exciter_clear, gensym("clear"), 0); + class_addmethod(exciter_class, (t_method)exciter_start, gensym("start"), 0); + class_addmethod(exciter_class, (t_method)exciter_stop, gensym("stop"), 0); + class_addmethod(exciter_class, (t_method)exciter_reset, gensym("reset"), 0); + class_addmethod(exciter_class, (t_method)exciter_pause, gensym("pause"), 0); + class_addmethod(exciter_class, (t_method)exciter_resume, gensym("resume"), 0); + class_addmethod(exciter_class, (t_method)exciter_dsp, gensym("dsp"), A_NULL); + exciter_widgetbehavior.w_getrectfn = exciter_getrect; + exciter_widgetbehavior.w_displacefn = exciter_displace; + exciter_widgetbehavior.w_selectfn = exciter_select; + exciter_widgetbehavior.w_activatefn = NULL; + exciter_widgetbehavior.w_deletefn = exciter_delete; + exciter_widgetbehavior.w_visfn = exciter_vis; + exciter_widgetbehavior.w_clickfn = exciter_click; + +#if PD_MINOR_VERSION >= 37 + class_setpropertiesfn(exciter_class, exciter_properties); + class_setsavefn(exciter_class, exciter_save); +#else + exciter_widgetbehavior.w_propertiesfn = exciter_properties; + exciter_widgetbehavior.w_savefn = exciter_save; +#endif + + class_setwidget(exciter_class, &exciter_widgetbehavior); + + sys_vgui("eval [read [open %s/%s.tcl]]\n", + exciter_class->c_externdir->s_name, exciter_class->c_name->s_name); +} |