--- /dev/null
+/*****************************************************************************
+ * puzzle.c : Puzzle game
+ *****************************************************************************
+ * Copyright (C) 2005-2006 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Antoine Cellerier <dionoea -at- videolan -dot- org>
+ *
+ * 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; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <stdlib.h> /* malloc(), free() */
+#include <string.h>
+
+#include <vlc/vlc.h>
+#include <vlc/vout.h>
+
+#include <math.h>
+
+#include "filter_common.h"
+#include "vlc_image.h"
+#include "vlc_input.h"
+#include "vlc_playlist.h"
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int Create ( vlc_object_t * );
+static void Destroy ( vlc_object_t * );
+
+static int Init ( vout_thread_t * );
+static void End ( vout_thread_t * );
+static void Render ( vout_thread_t *, picture_t * );
+
+static int SendEvents ( vlc_object_t *, char const *,
+ vlc_value_t, vlc_value_t, void * );
+static int MouseEvent ( vlc_object_t *, char const *,
+ vlc_value_t, vlc_value_t, void * );
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+
+#define ROWS_TEXT N_("Number of puzzle rows")
+#define ROWS_LONGTEXT N_("Number of puzzle rows")
+#define COLS_TEXT N_("Number of puzzle columns")
+#define COLS_LONGTEXT N_("Number of puzzle columns")
+
+vlc_module_begin();
+ set_description( _("Puzzle interactive game video filter") );
+ set_shortname( _( "Puzzle" ));
+ set_capability( "video filter", 0 );
+ set_category( CAT_VIDEO );
+ set_subcategory( SUBCAT_VIDEO_VFILTER );
+
+ add_integer_with_range( "puzzle-rows", 4, 1, 128, NULL,
+ ROWS_TEXT, ROWS_LONGTEXT, VLC_FALSE );
+ add_integer_with_range( "puzzle-cols", 4, 1, 128, NULL,
+ COLS_TEXT, COLS_LONGTEXT, VLC_FALSE );
+
+ set_callbacks( Create, Destroy );
+vlc_module_end();
+
+/*****************************************************************************
+ * vout_sys_t: Magnify video output method descriptor
+ *****************************************************************************/
+struct vout_sys_t
+{
+ vout_thread_t *p_vout;
+
+ image_handler_t *p_image;
+
+ int i_cols;
+ int i_rows;
+ int *pi_order;
+ int i_selected;
+ vlc_bool_t b_finished;
+};
+
+/*****************************************************************************
+ * Control: control facility for the vout (forwards to child vout)
+ *****************************************************************************/
+static int Control( vout_thread_t *p_vout, int i_query, va_list args )
+{
+ return vout_vaControl( p_vout->p_sys->p_vout, i_query, args );
+}
+
+/*****************************************************************************
+ * Misc stuff...
+ *****************************************************************************/
+static vlc_bool_t finished( vout_sys_t *p_sys )
+{
+ int i;
+ for( i = 0; i < p_sys->i_cols * p_sys->i_rows; i++ )
+ {
+ if( i != p_sys->pi_order[i] ) return VLC_FALSE;
+ }
+ return VLC_TRUE;
+}
+static void shuffle( vout_sys_t *p_sys )
+{
+ int i, c;
+ free( p_sys->pi_order );
+ p_sys->pi_order = malloc( p_sys->i_cols * p_sys->i_rows * sizeof( int ) );
+ do
+ {
+ for( i = 0; i < p_sys->i_cols * p_sys->i_rows; i++ )
+ {
+ p_sys->pi_order[i] = -1;
+ }
+ i = 0;
+ for( c = 0; c < p_sys->i_cols * p_sys->i_rows; )
+ {
+ i = rand()%( p_sys->i_cols * p_sys->i_rows );
+ if( p_sys->pi_order[i] == -1 )
+ {
+ p_sys->pi_order[i] = c;
+ c++;
+ }
+ }
+ p_sys->b_finished = finished( p_sys );
+ } while( p_sys->b_finished == VLC_TRUE );
+}
+
+/*****************************************************************************
+ * Create: allocates Magnify video thread output method
+ *****************************************************************************/
+static int Create( vlc_object_t *p_this )
+{
+ vout_thread_t *p_vout = (vout_thread_t *)p_this;
+
+ /* Allocate structure */
+ p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
+ if( p_vout->p_sys == NULL )
+ {
+ msg_Err( p_vout, "out of memory" );
+ return VLC_ENOMEM;
+ }
+
+ p_vout->p_sys->p_image = image_HandlerCreate( p_vout );
+
+ p_vout->p_sys->i_rows = config_GetInt( p_vout, "puzzle-rows" );
+ p_vout->p_sys->i_cols = config_GetInt( p_vout, "puzzle-cols" );
+ p_vout->p_sys->i_selected = -1;
+
+ p_vout->p_sys->pi_order = NULL;
+ shuffle( p_vout->p_sys );
+
+ p_vout->pf_init = Init;
+ p_vout->pf_end = End;
+ p_vout->pf_manage = NULL;
+ p_vout->pf_render = Render;
+ p_vout->pf_display = NULL;
+ p_vout->pf_control = Control;
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Init: initialize Magnify video thread output method
+ *****************************************************************************/
+static int Init( vout_thread_t *p_vout )
+{
+ int i_index;
+ picture_t *p_pic;
+ video_format_t fmt = {0};
+
+ I_OUTPUTPICTURES = 0;
+
+ /* Initialize the output structure */
+ p_vout->output.i_chroma = p_vout->render.i_chroma;
+ p_vout->output.i_width = p_vout->render.i_width;
+ p_vout->output.i_height = p_vout->render.i_height;
+ p_vout->output.i_aspect = p_vout->render.i_aspect;
+
+ p_vout->fmt_out = p_vout->fmt_in;
+ fmt = p_vout->fmt_out;
+
+ /* Try to open the real video output */
+ msg_Dbg( p_vout, "spawning the real video output" );
+
+ p_vout->p_sys->p_vout = vout_Create( p_vout, &fmt );
+
+ /* Everything failed */
+ if( p_vout->p_sys->p_vout == NULL )
+ {
+ msg_Err( p_vout, "cannot open vout, aborting" );
+ return VLC_EGENERIC;
+ }
+
+ var_AddCallback( p_vout->p_sys->p_vout, "mouse-x", MouseEvent, p_vout );
+ var_AddCallback( p_vout->p_sys->p_vout, "mouse-y", MouseEvent, p_vout );
+ var_AddCallback( p_vout->p_sys->p_vout, "mouse-clicked",
+ MouseEvent, p_vout);
+
+ ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );
+ ADD_CALLBACKS( p_vout->p_sys->p_vout, SendEvents );
+ ADD_PARENT_CALLBACKS( SendEventsToChild );
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * End: terminate Magnify video thread output method
+ *****************************************************************************/
+static void End( vout_thread_t *p_vout )
+{
+ int i_index;
+
+ /* Free the fake output buffers we allocated */
+ for( i_index = I_OUTPUTPICTURES ; i_index ; )
+ {
+ i_index--;
+ free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig );
+ }
+
+ var_DelCallback( p_vout->p_sys->p_vout, "mouse-x", MouseEvent, p_vout);
+ var_DelCallback( p_vout->p_sys->p_vout, "mouse-y", MouseEvent, p_vout);
+ var_DelCallback( p_vout->p_sys->p_vout, "mouse-clicked", MouseEvent, p_vout);
+}
+
+/*****************************************************************************
+ * Destroy: destroy Magnify video thread output method
+ *****************************************************************************/
+static void Destroy( vlc_object_t *p_this )
+{
+ vout_thread_t *p_vout = (vout_thread_t *)p_this;
+
+ if( p_vout->p_sys->p_vout )
+ {
+ DEL_CALLBACKS( p_vout->p_sys->p_vout, SendEvents );
+ vlc_object_detach( p_vout->p_sys->p_vout );
+ vout_Destroy( p_vout->p_sys->p_vout );
+ }
+
+ image_HandlerDelete( p_vout->p_sys->p_image );
+ free( p_vout->p_sys->pi_order );
+
+ DEL_PARENT_CALLBACKS( SendEventsToChild );
+
+ free( p_vout->p_sys );
+}
+
+/*****************************************************************************
+ * Render: displays previously rendered output
+ *****************************************************************************/
+static void Render( vout_thread_t *p_vout, picture_t *p_pic )
+{
+ picture_t *p_outpic;
+
+ //video_format_t fmt_out = {0};
+ //picture_t *p_converted;
+
+ int i_plane;
+
+ int i_rows = p_vout->p_sys->i_rows;
+ int i_cols = p_vout->p_sys->i_cols;
+
+ /* This is a new frame. Get a structure from the video_output. */
+ while( ( p_outpic = vout_CreatePicture( p_vout->p_sys->p_vout, 0, 0, 0 ) )
+ == NULL )
+ {
+ if( p_vout->b_die || p_vout->b_error )
+ {
+ return;
+ }
+ msleep( VOUT_OUTMEM_SLEEP );
+ }
+
+ vout_DatePicture( p_vout->p_sys->p_vout, p_outpic, p_pic->date );
+
+ for( i_plane = 0; i_plane < p_outpic->i_planes; i_plane++ )
+ {
+ plane_t *p_in = p_pic->p+i_plane;
+ plane_t *p_out = p_outpic->p+i_plane;
+ int i_pitch = p_in->i_pitch;
+ int i;
+
+ for( i = 0; i < i_cols * i_rows; i++ )
+ {
+ int i_col = i % i_cols;
+ int i_row = i / i_cols;
+ int i_ocol = p_vout->p_sys->pi_order[i] % i_cols;
+ int i_orow = p_vout->p_sys->pi_order[i] / i_cols;
+ int i_last_row = i_row + 1;
+ i_orow *= p_in->i_lines / i_rows;
+ i_row *= p_in->i_lines / i_rows;
+ i_last_row *= p_in->i_lines / i_rows;
+
+ for( ; i_row < i_last_row; i_row++, i_orow++ )
+ {
+ memcpy( p_out->p_pixels + i_row * i_pitch
+ + i_col * i_pitch / i_cols,
+ p_in->p_pixels + i_orow * i_pitch
+ + i_ocol * i_pitch / i_cols,
+ i_pitch / i_cols );
+ }
+ }
+ }
+
+ if( p_vout->p_sys->i_selected != -1 )
+ {
+ plane_t *p_in = p_pic->p+Y_PLANE;
+ plane_t *p_out = p_outpic->p+Y_PLANE;
+ int i_pitch = p_in->i_pitch;
+ int i_col = p_vout->p_sys->i_selected % i_cols;
+ int i_row = p_vout->p_sys->i_selected / i_cols;
+ int i_last_row = i_row + 1;
+ i_row *= p_in->i_lines / i_rows;
+ i_last_row *= p_in->i_lines / i_rows;
+ memset( p_out->p_pixels + i_row * i_pitch
+ + i_col * i_pitch / i_cols,
+ 0xff, i_pitch / i_cols );
+ for( ; i_row < i_last_row; i_row++ )
+ {
+ p_out->p_pixels[ i_row * i_pitch
+ + i_col * i_pitch / i_cols ] = 0xff;
+ p_out->p_pixels[ i_row * i_pitch
+ + (i_col+1) * i_pitch / i_cols - 1 ] = 0xff;
+ }
+ i_row--;
+ memset( p_out->p_pixels + i_row * i_pitch
+ + i_col * i_pitch / i_cols,
+ 0xff, i_pitch / i_cols );
+ }
+
+ vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic );
+}
+
+/*****************************************************************************
+ * SendEvents: forward mouse and keyboard events to the parent p_vout
+ *****************************************************************************/
+static int SendEvents( vlc_object_t *p_this, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ var_Set( (vlc_object_t *)p_data, psz_var, newval );
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * SendEventsToChild: forward events to the child/children vout
+ *****************************************************************************/
+static int SendEventsToChild( vlc_object_t *p_this, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ vout_thread_t *p_vout = (vout_thread_t *)p_this;
+ var_Set( p_vout->p_sys->p_vout, psz_var, newval );
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * MouseEvent: callback for mouse events
+ *****************************************************************************/
+static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ vout_thread_t *p_vout = (vout_thread_t*)p_data;
+ int i_x, i_y;
+ int i_v;
+
+#define MOUSE_DOWN 1
+#define MOUSE_CLICKED 2
+#define MOUSE_MOVE_X 4
+#define MOUSE_MOVE_Y 8
+#define MOUSE_MOVE 12
+ uint8_t mouse= 0;
+
+ int v_h = p_vout->output.i_height;
+ int v_w = p_vout->output.i_width;
+ int i_pos;
+
+ if( psz_var[6] == 'x' ) mouse |= MOUSE_MOVE_X;
+ if( psz_var[6] == 'y' ) mouse |= MOUSE_MOVE_Y;
+ if( psz_var[6] == 'c' ) mouse |= MOUSE_CLICKED;
+
+ i_v = var_GetInteger( p_vout->p_sys->p_vout, "mouse-button-down" );
+ if( i_v & 0x1 ) mouse |= MOUSE_DOWN;
+ i_y = var_GetInteger( p_vout->p_sys->p_vout, "mouse-y" );
+ i_x = var_GetInteger( p_vout->p_sys->p_vout, "mouse-x" );
+
+ if( mouse & MOUSE_CLICKED )
+ {
+ i_pos = p_vout->p_sys->i_cols * ( ( p_vout->p_sys->i_rows * i_y ) / v_h ) + (p_vout->p_sys->i_cols * i_x ) / v_w;
+ if( p_vout->p_sys->b_finished == VLC_TRUE )
+ {
+ shuffle( p_vout->p_sys );
+ }
+ else if( p_vout->p_sys->i_selected == -1 )
+ {
+ p_vout->p_sys->i_selected = i_pos;
+ }
+ else if( p_vout->p_sys->i_selected == i_pos )
+ {
+ p_vout->p_sys->i_selected = -1;
+ }
+ else if( p_vout->p_sys->i_selected == i_pos + 1
+ || p_vout->p_sys->i_selected == i_pos - 1
+ || p_vout->p_sys->i_selected == i_pos + p_vout->p_sys->i_cols
+ || p_vout->p_sys->i_selected == i_pos - p_vout->p_sys->i_cols )
+ {
+ int a = p_vout->p_sys->pi_order[ p_vout->p_sys->i_selected ];
+ p_vout->p_sys->pi_order[ p_vout->p_sys->i_selected ] =
+ p_vout->p_sys->pi_order[ i_pos ];
+ p_vout->p_sys->pi_order[ i_pos ] = a;
+ p_vout->p_sys->i_selected = -1;
+
+ p_vout->p_sys->b_finished = finished( p_vout->p_sys );
+ }
+ }
+ return VLC_SUCCESS;
+}
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