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    k_gui_icon_rift_run_gold,
  21    k_gui_icon_rift_run_silver,
  22
  23    k_gui_icon_count,
  24 };
  25
  26 #define GUI_HELPER_TEXT_LENGTH 32
  27
  28 struct{
  29    struct gui_helper{
  30       vg_input_op *binding;
  31       char text[GUI_HELPER_TEXT_LENGTH];
  32       int greyed;
  33    }
  34    helpers[4];
  35    u32 helper_count;
  36
  37    int active_positional_helper;
  38
  39    struct icon_call {
  40       enum gui_icon icon;
  41       v4f location;
  42       v4f colour;
  43       int colour_changed;
  44    }
  45    icon_draw_buffer[32];
  46    u32 icon_draw_count;
  47    v4f cur_icon_colour;
  48    int colour_changed;
  49
  50    char location[64];
  51    f64  location_time;
  52
  53    f32 factive;
  54    font3d font;
  55
  56    v3f trick_co;
  57
  58    mdl_context model_icons;
  59    GLuint icons_texture;
  60    glmesh icons_mesh;
  61
  62    mdl_submesh *icons[ k_gui_icon_count ];
  63 }
  64 static gui = {.cur_icon_colour = {1.0f,1.0f,1.0f,1.0f},.colour_changed=1};
  65
  66 static void gui_helper_clear(void){
  67    gui.helper_count = 0;
  68    gui.active_positional_helper = 0;
  69 }
  70
  71 static struct gui_helper *gui_new_helper( vg_input_op *bind, vg_str *out_text ){
  72    if( gui.helper_count >= vg_list_size(gui.helpers) ){
  73       vg_error( "Too many helpers\n" );
  74       return NULL;
  75    }
  76
  77    struct gui_helper *helper = &gui.helpers[ gui.helper_count ++ ];
  78    helper->greyed = 0;
  79    helper->binding = bind;
  80    vg_strnull( out_text, helper->text, sizeof(helper->text) );
  81    return helper;
  82 }
  83
  84 static void gui_draw(void){
  85    if( gui.active_positional_helper &&
  86          (v3_dist2(localplayer.rb.co,gui.trick_co) > 2.0f) )
  87       gui_helper_clear();
  88
  89    camera ortho;
  90
  91    float fl = 0.0f,
  92          fr = vg.window_x,
  93          fb = 0.0f,
  94          ft = vg.window_y,
  95          rl = 1.0f / (fr-fl),
  96          tb = 1.0f / (ft-fb);
  97
  98    m4x4_zero( ortho.mtx.p );
  99    ortho.mtx.p[0][0] = 2.0f * rl;
 100    ortho.mtx.p[1][1] = 2.0f * tb;
 101    ortho.mtx.p[3][0] = (fr + fl) * -rl;
 102    ortho.mtx.p[3][1] = (ft + fb) * -tb;
 103    ortho.mtx.p[3][3] = 1.0f;
 104    m4x3_identity( ortho.transform );
 105    camera_update_view( &ortho );
 106    m4x4_mul( ortho.mtx.p, ortho.mtx.v, ortho.mtx.pv );   /* HACK */
 107    camera_finalize( &ortho );
 108
 109
 110    /* icons */
 111    font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &ortho );
 112    mesh_bind( &gui.icons_mesh );
 113
 114    m4x3f mmdl;
 115    m4x3_identity( mmdl );
 116    shader_model_font_uMdl( mmdl );
 117
 118    glActiveTexture( GL_TEXTURE0 );
 119    glBindTexture( GL_TEXTURE_2D, gui.icons_texture );
 120    shader_model_font_uTexMain( 0 );
 121
 122    for( u32 i=0; i<gui.icon_draw_count; i++ ){
 123       struct icon_call *call = &gui.icon_draw_buffer[i];
 124
 125       if( call->colour_changed )
 126          shader_model_font_uColour( call->colour );
 127
 128       shader_model_font_uOffset( call->location );
 129
 130       mdl_submesh *sm = gui.icons[ call->icon ];
 131       if( sm )
 132          mdl_draw_submesh( sm );
 133    }
 134
 135    gui.icon_draw_count = 0;
 136
 137
 138
 139    gui.factive = vg_lerpf( gui.factive, gui.helper_count?1.0f:0.0f,
 140                            vg.time_frame_delta*2.0f );
 141
 142    if( gui.factive > 0.01f ){
 143       /* draw bottom bar */
 144       glEnable(GL_BLEND);
 145       glDisable(GL_DEPTH_TEST);
 146       glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 147       glBlendEquation(GL_FUNC_ADD);
 148
 149       shader_blitcolour_use();
 150       shader_blitcolour_uColour( (v4f){ 0.0f, 0.0f, 0.0f, gui.factive*0.8f } );
 151       render_fsquad1();
 152    }
 153
 154    f64 loc_t = (vg.time_real - gui.location_time) / 5.0;
 155    if( (loc_t < 1.0) && (gui.location_time != 0.0) ){
 156       /* yep this code is a mess, i dont care anymore */
 157       glEnable(GL_BLEND);
 158       glDisable(GL_DEPTH_TEST);
 159       glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 160       glBlendEquation(GL_FUNC_ADD);
 161
 162       f32 t = 1.0f-vg_minf(1.0f,vg_minf(loc_t*20.0f,2.0f-loc_t*2.0f)),
 163           o = 1.0f-t*t*(2.0f-t);
 164
 165       shader_blitcolour_use();
 166       shader_blitcolour_uColour( (v4f){ 0.0f, 0.0f, 0.0f, o*0.5f } );
 167       render_fsquad2();
 168
 169       f32 dy    = ft/0.79f,
 170          scale = dy*0x1p-4f*0.5f;
 171
 172       m3x3_identity( mmdl );
 173       m3x3_scale( mmdl, (v3f){scale,scale,scale} );
 174       v3_zero( mmdl[3] );
 175
 176       f32 pad = dy*0x1p-4f*0.125f;
 177       f32 w = font3d_string_width( 2, gui.location );
 178
 179       mmdl[3][0] = fr*0.5f - w*scale*0.5f;
 180       mmdl[3][1] = 0.3f*ft+pad*2.0f;
 181
 182       font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &ortho );
 183       shader_model_font_uColour( (v4f){1.2f,1.2f,1.2f,o} );
 184       font3d_simple_draw( 2, gui.location, &ortho, mmdl );
 185    }
 186    else
 187       font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &ortho );
 188
 189    float dy    = ft/0.79f,
 190          scale = dy*0x1p-4f*0.75f;
 191
 192    m3x3_identity( mmdl );
 193    m3x3_scale( mmdl, (v3f){scale,scale,scale} );
 194    v3_zero( mmdl[3] );
 195
 196    float pad = dy*0x1p-4f*0.125f;
 197    mmdl[3][1] = pad;
 198
 199    for( u32 i=0; i<gui.helper_count; i++ ){
 200       struct gui_helper *helper = &gui.helpers[i];
 201
 202       char buf[32];
 203       vg_str str;
 204       vg_strnull( &str, buf, sizeof(buf) );
 205       vg_input_string( &str, helper->binding, 1 );
 206
 207       f32 bs = (f32)vg.window_x / (f32)(gui.helper_count+1),
 208           x  = ((f32)i + 1.0f) * bs;
 209       mmdl[3][0] = x - font3d_string_width( 2, buf )*0.5f*scale;
 210
 211       font3d_setcolour( (v4f){1.0f,1.0f,1.0f, helper->greyed? 0.5f: 1.0f} );
 212       font3d_simple_draw( 2, buf, &ortho, mmdl );
 213
 214       const char *make_smaller = "\x02\xaf\x03 ";
 215       font3d_draw( make_smaller );
 216       font3d_draw( helper->text );
 217
 218       float w = gui_font3d.offset[0]+1.0f;
 219    }
 220 }
 221
 222 static int gui_location_print_ccmd( int argc, const char *argv[] ){
 223    if( argc > 0 ){
 224       char new_loc[64];
 225       vg_str str;
 226       vg_strnull( &str, new_loc, 64 );
 227       for( int i=0; i<argc; i++ ){
 228          vg_strcat( &str, argv[i] );
 229          vg_strcat( &str, " " );
 230       }
 231       if( !strcmp(gui.location,new_loc) ) return 0;
 232       vg_strncpy( new_loc, gui.location, 64, k_strncpy_always_add_null );
 233       gui.location_time = vg.time_real;
 234    }
 235    return 0;
 236 }
 237
 238 static int gui_showtrick_ccmd( int argc, const char *argv[] ){
 239    if( argc == 1 ){
 240       gui_helper_clear();
 241       vg_str text;
 242
 243            if( !strcmp( argv[0], "pump" ) ){
 244          if( gui_new_helper( input_axis_list[k_sraxis_grab], &text ) )
 245             vg_strcat( &text, "Pump" );
 246       }
 247       else if( !strcmp( argv[0], "flip" ) ){
 248          if( gui_new_helper( input_joy_list[k_srjoystick_steer], &text ) )
 249             vg_strcat( &text, "Flip" );
 250       }
 251       else if( !strcmp( argv[0], "ollie" ) ){
 252          if( gui_new_helper( input_button_list[k_srbind_jump], &text ) )
 253             vg_strcat( &text, "Ollie" );
 254       }
 255       else if( !strcmp( argv[0], "trick" ) ){
 256          if( gui_new_helper( input_button_list[k_srbind_trick0], &text ) )
 257             vg_strcat( &text, "Shuvit" );
 258          if( gui_new_helper( input_button_list[k_srbind_trick1], &text ) )
 259             vg_strcat( &text, "Kickflip" );
 260          if( gui_new_helper( input_button_list[k_srbind_trick2], &text ) )
 261             vg_strcat( &text, "Tre-Flip" );
 262       }
 263       else if( !strcmp( argv[0], "misc" ) ){
 264          if( gui_new_helper( input_button_list[k_srbind_camera], &text ) )
 265             vg_strcat( &text, "Camera" );
 266          if( gui_new_helper( input_button_list[k_srbind_use], &text ) )
 267             vg_strcat( &text, "Skate/Walk" );
 268       }
 269       else return 1;
 270
 271       v3_copy( localplayer.rb.co, gui.trick_co );
 272       gui.active_positional_helper = 1;
 273       return 0;
 274    }
 275    return 1;
 276 }
 277
 278 static void gui_draw_icon( enum gui_icon icon, v2f co, f32 size ){
 279    if( gui.icon_draw_count == vg_list_size(gui.icon_draw_buffer) )
 280       return;
 281
 282    struct icon_call *call = &gui.icon_draw_buffer[ gui.icon_draw_count ++ ];
 283
 284    call->icon = icon;
 285    call->location[0] = co[0] * (f32)vg.window_x;
 286    call->location[1] = co[1] * (f32)vg.window_y;
 287    call->location[2] = 0.0f;
 288    call->location[3] = size * (f32)vg.window_x;
 289
 290    v4_copy( gui.cur_icon_colour, call->colour );
 291    call->colour_changed = gui.colour_changed;
 292    gui.colour_changed = 0;
 293 }
 294
 295 static void gui_icon_setcolour( v4f colour ){
 296    gui.colour_changed = 1;
 297    v4_copy( colour, gui.cur_icon_colour );
 298 }
 299
 300 static mdl_submesh *gui_find_icon( const char *name ){
 301    mdl_mesh *mesh = mdl_find_mesh( &gui.model_icons, name );
 302    if( mesh ){
 303       if( mesh->submesh_count ){
 304          return mdl_arritm( &gui.model_icons.submeshs, mesh->submesh_start );
 305       }
 306    }
 307
 308    return NULL;
 309 }
 310
 311 static void gui_init(void){
 312    font3d_load( &gui.font, "models/rs_font.mdl", vg_mem.rtmemory );
 313    vg_console_reg_cmd( "gui_location", gui_location_print_ccmd, NULL );
 314    vg_console_reg_cmd( "showtrick", gui_showtrick_ccmd, NULL );
 315
 316    /* load icons */
 317    void *alloc = vg_mem.rtmemory;
 318    mdl_open( &gui.model_icons, "models/rs_icons.mdl", alloc );
 319    mdl_load_metadata_block( &gui.model_icons, alloc );
 320
 321    gui.icons[ k_gui_icon_tick ] = gui_find_icon( "icon_tick" );
 322    gui.icons[ k_gui_icon_tick_2d ] = gui_find_icon( "icon_tick2d" );
 323    gui.icons[ k_gui_icon_exclaim ] = gui_find_icon( "icon_exclaim" );
 324    gui.icons[ k_gui_icon_exclaim_2d ] = gui_find_icon( "icon_exclaim2d" );
 325    gui.icons[ k_gui_icon_board ] = gui_find_icon( "icon_board" );
 326    gui.icons[ k_gui_icon_world ] = gui_find_icon( "icon_world" );
 327    gui.icons[ k_gui_icon_rift ] = gui_find_icon( "icon_rift" );
 328    gui.icons[ k_gui_icon_rift_run ] = gui_find_icon( "icon_rift_run" );
 329    gui.icons[ k_gui_icon_rift_run_2d ] = gui_find_icon( "icon_rift_run2d" );
 330    gui.icons[ k_gui_icon_friend ] = gui_find_icon( "icon_friend" );
 331    gui.icons[ k_gui_icon_player ] = gui_find_icon( "icon_player" );
 332    gui.icons[ k_gui_icon_rift_run_gold ] =
 333       gui_find_icon("icon_rift_run_medal_gold");
 334    gui.icons[ k_gui_icon_rift_run_silver]=
 335       gui_find_icon("icon_rift_run_medal_silver");
 336
 337    vg_linear_clear( vg_mem.scratch );
 338    if( !mdl_arrcount( &gui.model_icons.textures ) )
 339       vg_fatal_error( "No texture in menu file" );
 340    mdl_texture *tex0 = mdl_arritm( &gui.model_icons.textures, 0 );
 341    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
 342    mdl_fread_pack_file( &gui.model_icons, &tex0->file, data );
 343    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
 344                             VG_TEX2D_LINEAR|VG_TEX2D_CLAMP,
 345                             &gui.icons_texture );
 346
 347    mdl_async_load_glmesh( &gui.model_icons, &gui.icons_mesh, NULL );
 348    mdl_close( &gui.model_icons );
 349 }
 350
 351 #endif /* GUI_H */