vg/vg_console.h

   1 struct vg_console
   2 {
   3         struct vg_convar
   4         {
   5                 void *data;
   6                 const char *name;
   7
   8                 enum vg_convar_dtype
   9                 {
  10                         k_convar_dtype_i32,
  11                         k_convar_dtype_u32,
  12                         k_convar_dtype_f32
  13                 }
  14                 data_type;
  15         }
  16         *convars;
  17
  18         char lines[16][512];
  19         u32 current, len;
  20 }
  21 vg_console;
  22
  23 static void vg_convar_push( struct vg_convar cv )
  24 {
  25         arrpush( vg_console.convars, cv );
  26 }
  27
  28 static void vg_console_draw( void )
  29 {
  30         int ptr = vg_console.current - vg_console.len;
  31         if( ptr <= 0 )
  32                 ptr += vg_list_size( vg_console.lines );
  33         ptr --;
  34
  35         ui_global_ctx.cursor[0] = 0;
  36         ui_global_ctx.cursor[1] = 0;
  37         ui_global_ctx.cursor[3] = vg_console.len*8;
  38         ui_fill_x( &ui_global_ctx );
  39
  40         ui_new_node( &ui_global_ctx );
  41         {
  42                 ui_fill_rect( &ui_global_ctx, ui_global_ctx.cursor, 0x77333333 );
  43
  44                 ui_global_ctx.cursor[3] = 8;
  45                 ui_align_bottom( &ui_global_ctx );
  46
  47                 for( int i = 0; i < vg_console.len; i ++ )
  48                 {
  49                         ui_text( &ui_global_ctx, vg_console.lines[ptr], 1, 0 );
  50                         ui_global_ctx.cursor[1] -= 8;
  51
  52                         ptr --;
  53                         if( ptr < 0 )
  54                                 ptr = vg_list_size( vg_console.lines )-1;
  55                 }
  56         }
  57         ui_end_down( &ui_global_ctx );
  58 }
  59
  60 void vg_console_println( const char *str )
  61 {
  62         if( vg_console.len < vg_list_size( vg_console.lines ) )
  63                 vg_console.len ++;
  64
  65         strcpy( vg_console.lines[ vg_console.current ++ ], str );
  66
  67         if( vg_console.current >= vg_list_size( vg_console.lines ) )
  68                 vg_console.current = 0;
  69 }
  70
  71 static void vg_console_init(void)
  72 {
  73         vg_log_callback = vg_console_println;
  74 }
  75
  76 static void vg_console_free(void)
  77 {
  78         arrfree( vg_console.convars );
  79 }