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