gui.h

   1 #ifndef GUI_H
   2 #define GUI_H
   3
   4 #include "font.h"
   5 #include "input.h"
   6 #include "player.h"
   7
   8 enum gui_icon {
   9    k_gui_icon_tick    = 0,
  10    k_gui_icon_tick_2d,
  11    k_gui_icon_exclaim,
  12    k_gui_icon_exclaim_2d,
  13    k_gui_icon_board,
  14    k_gui_icon_world,
  15    k_gui_icon_rift,
  16    k_gui_icon_rift_run,
  17    k_gui_icon_rift_run_2d,
  18    k_gui_icon_friend,
  19    k_gui_icon_player,
  20
  21    k_gui_icon_count,
  22 };
  23
  24 #define GUI_HELPER_TEXT_LENGTH 32
  25
  26 struct{
  27    struct gui_helper{
  28       vg_input_op *binding;
  29       char text[GUI_HELPER_TEXT_LENGTH];
  30       int greyed;
  31    }
  32    helpers[4];
  33    u32 helper_count;
  34
  35    int active_positional_helper;
  36
  37    struct icon_call {
  38       enum gui_icon icon;
  39       v4f location;
  40       v4f colour;
  41       int colour_changed;
  42    }
  43    icon_draw_buffer[32];
  44    u32 icon_draw_count;
  45    v4f cur_icon_colour;
  46    int colour_changed;
  47
  48    char location[64];
  49    f64  location_time;
  50
  51    f32 factive;
  52    font3d font;
  53
  54    v3f trick_co;
  55
  56    mdl_context model_icons;
  57    GLuint icons_texture;
  58    glmesh icons_mesh;
  59
  60    mdl_submesh *icons[ k_gui_icon_count ];
  61 }
  62 static gui = {.cur_icon_colour = {1.0f,1.0f,1.0f,1.0f},.colour_changed=1};
  63
  64 static void gui_helper_clear(void){
  65    gui.helper_count = 0;
  66    gui.active_positional_helper = 0;
  67 }
  68
  69 static struct gui_helper *gui_new_helper( vg_input_op *bind, vg_str *out_text ){
  70    if( gui.helper_count >= vg_list_size(gui.helpers) ){
  71       vg_error( "Too many helpers\n" );
  72       return NULL;
  73    }
  74
  75    struct gui_helper *helper = &gui.helpers[ gui.helper_count ++ ];
  76    helper->greyed = 0;
  77    helper->binding = bind;
  78    vg_strnull( out_text, helper->text, sizeof(helper->text) );
  79    return helper;
  80 }
  81
  82 static void gui_draw(void){
  83    if( gui.active_positional_helper &&
  84          (v3_dist2(localplayer.rb.co,gui.trick_co) > 2.0f) )
  85       gui_helper_clear();
  86
  87    camera ortho;
  88
  89    float fl = 0.0f,
  90          fr = vg.window_x,
  91          fb = 0.0f,
  92          ft = vg.window_y,
  93          rl = 1.0f / (fr-fl),
  94          tb = 1.0f / (ft-fb);
  95
  96    m4x4_zero( ortho.mtx.p );
  97    ortho.mtx.p[0][0] = 2.0f * rl;
  98    ortho.mtx.p[1][1] = 2.0f * tb;
  99    ortho.mtx.p[3][0] = (fr + fl) * -rl;
 100    ortho.mtx.p[3][1] = (ft + fb) * -tb;
 101    ortho.mtx.p[3][3] = 1.0f;
 102    m4x3_identity( ortho.transform );
 103    camera_update_view( &ortho );
 104    m4x4_mul( ortho.mtx.p, ortho.mtx.v, ortho.mtx.pv );   /* HACK */
 105    camera_finalize( &ortho );
 106
 107
 108    /* icons */
 109    font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &ortho );
 110    mesh_bind( &gui.icons_mesh );
 111
 112    m4x3f mmdl;
 113    m4x3_identity( mmdl );
 114    shader_model_font_uMdl( mmdl );
 115
 116    glActiveTexture( GL_TEXTURE0 );
 117    glBindTexture( GL_TEXTURE_2D, gui.icons_texture );
 118    shader_model_font_uTexMain( 0 );
 119
 120    for( u32 i=0; i<gui.icon_draw_count; i++ ){
 121       struct icon_call *call = &gui.icon_draw_buffer[i];
 122
 123       if( call->colour_changed )
 124          shader_model_font_uColour( call->colour );
 125
 126       shader_model_font_uOffset( call->location );
 127
 128       mdl_submesh *sm = gui.icons[ call->icon ];
 129       if( sm )
 130          mdl_draw_submesh( sm );
 131    }
 132
 133    gui.icon_draw_count = 0;
 134
 135
 136
 137    gui.factive = vg_lerpf( gui.factive, gui.helper_count?1.0f:0.0f,
 138                            vg.time_frame_delta*2.0f );
 139
 140    if( gui.factive > 0.01f ){
 141       /* draw bottom bar */
 142       glEnable(GL_BLEND);
 143       glDisable(GL_DEPTH_TEST);
 144       glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 145       glBlendEquation(GL_FUNC_ADD);
 146
 147       shader_blitcolour_use();
 148       shader_blitcolour_uColour( (v4f){ 0.0f, 0.0f, 0.0f, gui.factive*0.8f } );
 149       render_fsquad1();
 150    }
 151
 152    f64 loc_t = (vg.time_real - gui.location_time) / 5.0;
 153    if( (loc_t < 1.0) && (gui.location_time != 0.0) ){
 154       /* yep this code is a mess, i dont care anymore */
 155       glEnable(GL_BLEND);
 156       glDisable(GL_DEPTH_TEST);
 157       glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 158       glBlendEquation(GL_FUNC_ADD);
 159
 160       f32 t = 1.0f-vg_minf(1.0f,vg_minf(loc_t*20.0f,2.0f-loc_t*2.0f)),
 161           o = 1.0f-t*t*(2.0f-t);
 162
 163       shader_blitcolour_use();
 164       shader_blitcolour_uColour( (v4f){ 0.0f, 0.0f, 0.0f, o*0.5f } );
 165       render_fsquad2();
 166
 167       f32 dy    = ft/0.79f,
 168          scale = dy*0x1p-4f*0.5f;
 169
 170       m3x3_identity( mmdl );
 171       m3x3_scale( mmdl, (v3f){scale,scale,scale} );
 172       v3_zero( mmdl[3] );
 173
 174       f32 pad = dy*0x1p-4f*0.125f;
 175       f32 w = font3d_string_width( 2, gui.location );
 176
 177       mmdl[3][0] = fr*0.5f - w*scale*0.5f;
 178       mmdl[3][1] = 0.3f*ft+pad*2.0f;
 179
 180       font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &ortho );
 181       shader_model_font_uColour( (v4f){1.2f,1.2f,1.2f,o} );
 182       font3d_simple_draw( 2, gui.location, &ortho, mmdl );
 183    }
 184    else
 185       font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &ortho );
 186
 187    float dy    = ft/0.79f,
 188          scale = dy*0x1p-4f*0.75f;
 189
 190    m3x3_identity( mmdl );
 191    m3x3_scale( mmdl, (v3f){scale,scale,scale} );
 192    v3_zero( mmdl[3] );
 193
 194    float pad = dy*0x1p-4f*0.125f;
 195    mmdl[3][1] = pad;
 196
 197    for( u32 i=0; i<gui.helper_count; i++ ){
 198       struct gui_helper *helper = &gui.helpers[i];
 199
 200       char buf[32];
 201       vg_str str;
 202       vg_strnull( &str, buf, sizeof(buf) );
 203       vg_input_string( &str, helper->binding, 1 );
 204
 205       f32 bs = (f32)vg.window_x / (f32)(gui.helper_count+1),
 206           x  = ((f32)i + 1.0f) * bs;
 207       mmdl[3][0] = x - font3d_string_width( 2, buf )*0.5f*scale;
 208
 209       font3d_setcolour( (v4f){1.0f,1.0f,1.0f, helper->greyed? 0.5f: 1.0f} );
 210       font3d_simple_draw( 2, buf, &ortho, mmdl );
 211
 212       const char *make_smaller = "\x02\xaf\x03 ";
 213       font3d_draw( make_smaller );
 214       font3d_draw( helper->text );
 215
 216       float w = gui_font3d.offset[0]+1.0f;
 217    }
 218 }
 219
 220 static int gui_location_print_ccmd( int argc, const char *argv[] ){
 221    if( argc > 0 ){
 222       char new_loc[64];
 223       vg_str str;
 224       vg_strnull( &str, new_loc, 64 );
 225       for( int i=0; i<argc; i++ ){
 226          vg_strcat( &str, argv[i] );
 227          vg_strcat( &str, " " );
 228       }
 229       if( !strcmp(gui.location,new_loc) ) return 0;
 230       vg_strncpy( new_loc, gui.location, 64, k_strncpy_always_add_null );
 231       gui.location_time = vg.time_real;
 232    }
 233    return 0;
 234 }
 235
 236 static int gui_showtrick_ccmd( int argc, const char *argv[] ){
 237    if( argc == 1 ){
 238       gui_helper_clear();
 239       vg_str text;
 240
 241            if( !strcmp( argv[0], "pump" ) ){
 242          if( gui_new_helper( input_axis_list[k_sraxis_grab], &text ) )
 243             vg_strcat( &text, "Pump" );
 244       }
 245       else if( !strcmp( argv[0], "flip" ) ){
 246          if( gui_new_helper( input_joy_list[k_srjoystick_steer], &text ) )
 247             vg_strcat( &text, "Flip" );
 248       }
 249       else if( !strcmp( argv[0], "ollie" ) ){
 250          if( gui_new_helper( input_button_list[k_srbind_jump], &text ) )
 251             vg_strcat( &text, "Ollie" );
 252       }
 253       else if( !strcmp( argv[0], "trick" ) ){
 254          if( gui_new_helper( input_button_list[k_srbind_trick0], &text ) )
 255             vg_strcat( &text, "Shuvit" );
 256          if( gui_new_helper( input_button_list[k_srbind_trick1], &text ) )
 257             vg_strcat( &text, "Kickflip" );
 258          if( gui_new_helper( input_button_list[k_srbind_trick2], &text ) )
 259             vg_strcat( &text, "Tre-Flip" );
 260       }
 261       else if( !strcmp( argv[0], "misc" ) ){
 262          if( gui_new_helper( input_button_list[k_srbind_camera], &text ) )
 263             vg_strcat( &text, "Camera" );
 264          if( gui_new_helper( input_button_list[k_srbind_use], &text ) )
 265             vg_strcat( &text, "Skate/Walk" );
 266       }
 267       else return 1;
 268
 269       v3_copy( localplayer.rb.co, gui.trick_co );
 270       gui.active_positional_helper = 1;
 271       return 0;
 272    }
 273    return 1;
 274 }
 275
 276 static void gui_draw_icon( enum gui_icon icon, v2f co, f32 size ){
 277    if( gui.icon_draw_count == vg_list_size(gui.icon_draw_buffer) )
 278       return;
 279
 280    struct icon_call *call = &gui.icon_draw_buffer[ gui.icon_draw_count ++ ];
 281
 282    call->icon = icon;
 283    call->location[0] = co[0] * (f32)vg.window_x;
 284    call->location[1] = co[1] * (f32)vg.window_y;
 285    call->location[2] = 0.0f;
 286    call->location[3] = size * (f32)vg.window_x;
 287
 288    v4_copy( gui.cur_icon_colour, call->colour );
 289    call->colour_changed = gui.colour_changed;
 290    gui.colour_changed = 0;
 291 }
 292
 293 static void gui_icon_setcolour( v4f colour ){
 294    gui.colour_changed = 1;
 295    v4_copy( colour, gui.cur_icon_colour );
 296 }
 297
 298 static mdl_submesh *gui_find_icon( const char *name ){
 299    mdl_mesh *mesh = mdl_find_mesh( &gui.model_icons, name );
 300    if( mesh ){
 301       if( mesh->submesh_count ){
 302          return mdl_arritm( &gui.model_icons.submeshs, mesh->submesh_start );
 303       }
 304    }
 305
 306    return NULL;
 307 }
 308
 309 static void gui_init(void){
 310    font3d_load( &gui.font, "models/rs_font.mdl", vg_mem.rtmemory );
 311    vg_console_reg_cmd( "gui_location", gui_location_print_ccmd, NULL );
 312    vg_console_reg_cmd( "showtrick", gui_showtrick_ccmd, NULL );
 313
 314    /* load icons */
 315    void *alloc = vg_mem.rtmemory;
 316    mdl_open( &gui.model_icons, "models/rs_icons.mdl", alloc );
 317    mdl_load_metadata_block( &gui.model_icons, alloc );
 318
 319    gui.icons[ k_gui_icon_tick ] = gui_find_icon( "icon_tick" );
 320    gui.icons[ k_gui_icon_tick_2d ] = gui_find_icon( "icon_tick2d" );
 321    gui.icons[ k_gui_icon_exclaim ] = gui_find_icon( "icon_exclaim" );
 322    gui.icons[ k_gui_icon_exclaim_2d ] = gui_find_icon( "icon_exclaim2d" );
 323    gui.icons[ k_gui_icon_board ] = gui_find_icon( "icon_board" );
 324    gui.icons[ k_gui_icon_world ] = gui_find_icon( "icon_world" );
 325    gui.icons[ k_gui_icon_rift ] = gui_find_icon( "icon_rift" );
 326    gui.icons[ k_gui_icon_rift_run ] = gui_find_icon( "icon_rift_run" );
 327    gui.icons[ k_gui_icon_rift_run_2d ] = gui_find_icon( "icon_rift_run2d" );
 328    gui.icons[ k_gui_icon_friend ] = gui_find_icon( "icon_friend" );
 329    gui.icons[ k_gui_icon_player ] = gui_find_icon( "icon_player" );
 330
 331    vg_linear_clear( vg_mem.scratch );
 332    if( !mdl_arrcount( &gui.model_icons.textures ) )
 333       vg_fatal_error( "No texture in menu file" );
 334    mdl_texture *tex0 = mdl_arritm( &gui.model_icons.textures, 0 );
 335    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
 336    mdl_fread_pack_file( &gui.model_icons, &tex0->file, data );
 337    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
 338                             VG_TEX2D_LINEAR|VG_TEX2D_CLAMP,
 339                             &gui.icons_texture );
 340
 341    mdl_async_load_glmesh( &gui.model_icons, &gui.icons_mesh );
 342    mdl_close( &gui.model_icons );
 343 }
 344
 345 #endif /* GUI_H */