world_sfd.h

   1 /*
   2  * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
   3  */
   4
   5 #ifndef SFD_H
   6 #define SFD_H
   7
   8 #include "world.h"
   9
  10 #if 0
  11 #if 0
  12 #include "shaders/scoretext.h"
  13 #include "shaders/vblend.h"
  14 #endif
  15
  16 vg_tex2d tex_scoretext = { .path = "textures/scoretext.qoi",
  17                            .flags = VG_TEXTURE_CLAMP|VG_TEXTURE_NEAREST };
  18
  19 /*
  20  * TODO: utf-8 -> ascii
  21  */
  22
  23 float sfd_encode_glyph( char c )
  24 {
  25    int value = 0;
  26    if( c >= 'a' && c <= 'z' )
  27       value = c-'a'+11;
  28    else if( c >= '0' && c <= '9' )
  29       value = c-'0'+1;
  30    else if( c >= 'A' && c <= 'Z' )
  31       value = c-'A'+11;
  32    else if( c >= '\x01' && c <= '\x01'+10 )
  33       value = 63-c;
  34    else
  35    {
  36       int base = 11+26;
  37
  38       switch( c )
  39       {
  40          case '!': value=base+0; break;
  41          case '?': value=base+1; break;
  42          case ',': value=base+2; break;
  43          case '.': value=base+3; break;
  44          case '#': value=base+4; break;
  45          case '$': value=base+5; break;
  46          case '%': value=base+6; break;
  47          case '*': value=base+7; break;
  48          case '+': value=base+8; break;
  49          case '-': value=base+9; break;
  50          case '/': value=base+10; break;
  51          case ':': value=base+11; break;
  52          default: value=0; break;
  53       }
  54    }
  55
  56    return (float)value;
  57 }
  58
  59 VG_STATIC void sfd_encode( u32 row, const char *str )
  60 {
  61    int end=0;
  62    u32 row_h = world_global.sfd.h -1 -row;
  63
  64    for( int i=0; i<world_global.sfd.w; i++ )
  65    {
  66       u32 idx = (world_global.sfd.w*row_h + i) * 2;
  67
  68       if( end )
  69       {
  70          world_global.sfd.buffer[idx] = 0.0f;
  71       }
  72       else
  73       {
  74          if( !str[i] )
  75             end = 1;
  76
  77          world_global.sfd.buffer[idx] = sfd_encode_glyph( str[i] );
  78       }
  79    }
  80 }
  81
  82 VG_STATIC void sfd_init( u32 w, u32 h )
  83 {
  84 }
  85
  86 VG_STATIC void sfd_update(void)
  87 {
  88    for( int i=0; i<world_global.sfd.w*world_global.sfd.h; i++ )
  89    {
  90       float *target = &world_global.sfd.buffer[i*2+0],
  91             *cur =    &world_global.sfd.buffer[i*2+1];
  92
  93       float const rate = vg.time_delta * 15.2313131414f;
  94       float d1 = *target-*cur;
  95
  96       if( fabsf(d1) > rate )
  97       {
  98          *cur += rate;
  99          if( *cur > 60.0f )
 100             *cur -= 60.0f;
 101       }
 102       else
 103          *cur = *target;
 104    }
 105 }
 106
 107 VG_STATIC void bind_terrain_noise(void);
 108 VG_STATIC void sfd_render( camera *cam, m4x3f transform )
 109 {
 110 #if 0
 111    mesh_bind( &world.sfd.mesh_display );
 112    shader_scoretext_use();
 113    shader_scoretext_uTexGarbage(0);
 114    shader_scoretext_uTexGradients(1);
 115    shader_link_standard_ub( _shader_scoretext.id, 2 );
 116    bind_terrain_noise();
 117    vg_tex2d_bind( &tex_scoretext, 1 );
 118
 119    m4x4f pvm_prev;
 120    m4x3_expand( transform, pvm_prev );
 121    m4x4_mul( cam->mtx_prev.pv, pvm_prev, pvm_prev );
 122
 123    shader_scoretext_uPv( cam->mtx.pv );
 124    shader_scoretext_uPvmPrev( pvm_prev );
 125    shader_scoretext_uMdl( transform );
 126    shader_scoretext_uCamera( cam->transform[3] );
 127
 128    for( int y=0;y<world.sfd.h; y++ )
 129    {
 130       for( int x=0; x<world.sfd.w; x++ )
 131       {
 132          float value = world.sfd.buffer[(y*world.sfd.w+x)*2+1];
 133          shader_scoretext_uInfo( (v3f){ x,y, value } );
 134          mesh_draw( &world.sfd.mesh_display );
 135       }
 136    }
 137
 138    shader_vblend_use();
 139    shader_vblend_uTexGarbage(0);
 140    shader_vblend_uTexGradients(1);
 141    shader_link_standard_ub( _shader_vblend.id, 2 );
 142    bind_terrain_noise();
 143    vg_tex2d_bind( &tex_scoretext, 1 );
 144
 145    shader_vblend_uPv( cam->mtx.pv );
 146    shader_vblend_uPvmPrev( pvm_prev );
 147
 148    shader_vblend_uMdl( transform );
 149    shader_vblend_uCamera( cam->transform[3] );
 150
 151    mesh_bind( &world.sfd.mesh_base );
 152    mesh_draw( &world.sfd.mesh_base );
 153 #endif
 154 }
 155
 156 VG_STATIC int world_sfd_test( int argc, const char *argv[] )
 157 {
 158    if( argc == 2 )
 159    {
 160       int row = vg_min( vg_max(atoi(argv[0]),0), world_global.sfd.h);
 161       sfd_encode( row, argv[1] );
 162    }
 163
 164    return 0;
 165 }
 166
 167 VG_STATIC void world_sfd_init(void)
 168 {
 169    vg_info( "world_sfd_init\n" );
 170
 171 #if 0
 172    shader_scoretext_register();
 173 #endif
 174
 175         vg_function_push( (struct vg_cmd){
 176                 .name = "sfd",
 177                 .function = world_sfd_test
 178         });
 179
 180    vg_linear_clear( vg_mem.scratch );
 181    mdl_context *mboard =
 182       mdl_load_full( vg_mem.scratch, "models/rs_scoretext.mdl" );
 183
 184    scene *sc = scene_init( vg_mem.scratch, 3000, 8000 );
 185
 186    mdl_node *pn_backer = mdl_node_from_name( mboard, "backer" );
 187    mdl_submesh *backer = &mboard->submesh_buffer[ pn_backer->submesh_start ];
 188    mdl_node *pn_card = mdl_node_from_name( mboard, "score_card" );
 189    mdl_submesh *card = &mboard->submesh_buffer[ pn_card->submesh_start ];
 190
 191    m4x3f identity;
 192    m4x3_identity( identity );
 193
 194    /* FIXME: dont use scene header for this you fucking idiots */
 195    for( int i=4;i<6;i++ )
 196    {
 197       u32 vert_start = sc->vertex_count;
 198       scene_add_mdl_submesh( sc, mboard, card, identity );
 199
 200 #if 0
 201       for( int j=0; j<card->vertex_count; j++ )
 202       {
 203          mdl_vert *vert = &sc->arrvertices[ vert_start+j ];
 204
 205          float const k_glyph_uvw = 1.0f/64.0f;
 206          vert->uv[0] -= k_glyph_uvw * (float)(i-4);
 207          vert->colour[0] = 0.0f;
 208          vert->colour[1] = i*36;
 209       }
 210 #endif
 211    }
 212
 213    vg_acquire_thread_sync();
 214    {
 215       scene_upload( sc, &world_global.sfd.mesh_display );
 216       mdl_unpack_submesh( mboard, &world_global.sfd.mesh_base, backer );
 217
 218       vg_tex2d_init( (vg_tex2d *[]){ &tex_scoretext }, 1 );
 219    }
 220    vg_release_thread_sync();
 221
 222    int w = 27,
 223        h = 13;
 224
 225    world_global.sfd.w = w;
 226    world_global.sfd.h = h;
 227    world_global.sfd.buffer =
 228                      vg_linear_alloc( vg_mem.rtmemory, 2*w*h*sizeof(float) );
 229
 230    for( int i=0; i<w*h*2; i++ )
 231       world_global.sfd.buffer[i] = 0.0f;
 232 }
 233 #endif
 234
 235 #endif /* SFD_H */