gui.h

   1 #pragma once
   2 #include "font.h"
   3 #include "input.h"
   4 #include "player.h"
   5
   6 enum gui_icon {
   7    k_gui_icon_tick    = 0,
   8    k_gui_icon_tick_2d,
   9    k_gui_icon_exclaim,
  10    k_gui_icon_exclaim_2d,
  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_rift_run_2d,
  16    k_gui_icon_friend,
  17    k_gui_icon_player,
  18    k_gui_icon_rift_run_gold,
  19    k_gui_icon_rift_run_silver,
  20    k_gui_icon_glider,
  21
  22    k_gui_icon_count,
  23 };
  24
  25 #define GUI_HELPER_TEXT_LENGTH 32
  26
  27 struct{
  28    struct gui_helper{
  29       vg_input_op *binding;
  30       char text[GUI_HELPER_TEXT_LENGTH];
  31       int greyed;
  32    }
  33    helpers[4];
  34    u32 helper_count;
  35
  36    int active_positional_helper;
  37
  38    struct icon_call {
  39       enum gui_icon icon;
  40       v4f location;
  41       v4f colour;
  42       int colour_changed;
  43    }
  44    icon_draw_buffer[32];
  45    u32 icon_draw_count;
  46    v4f cur_icon_colour;
  47    int colour_changed;
  48
  49    char location[64];
  50    f64  location_time;
  51
  52    f32 factive;
  53    font3d font;
  54
  55    v3f trick_co;
  56
  57    mdl_context model_icons;
  58    GLuint icons_texture;
  59    glmesh icons_mesh;
  60
  61    mdl_submesh *icons[ k_gui_icon_count ];
  62 }
  63 static gui = {.cur_icon_colour = {1.0f,1.0f,1.0f,1.0f},.colour_changed=1};
  64
  65 static void gui_helper_clear(void){
  66    gui.helper_count = 0;
  67    gui.active_positional_helper = 0;
  68 }
  69
  70 static struct gui_helper *gui_new_helper( vg_input_op *bind, vg_str *out_text ){
  71    if( gui.helper_count >= vg_list_size(gui.helpers) ){
  72       vg_error( "Too many helpers\n" );
  73       return NULL;
  74    }
  75
  76    struct gui_helper *helper = &gui.helpers[ gui.helper_count ++ ];
  77    helper->greyed = 0;
  78    helper->binding = bind;
  79    vg_strnull( out_text, helper->text, sizeof(helper->text) );
  80    return helper;
  81 }
  82
  83 static void gui_draw(void){
  84    if( gui.active_positional_helper &&
  85          (v3_dist2(localplayer.rb.co,gui.trick_co) > 2.0f) )
  86       gui_helper_clear();
  87
  88    vg_camera ortho;
  89
  90    float fl = 0.0f,
  91          fr = vg.window_x,
  92          fb = 0.0f,
  93          ft = vg.window_y,
  94          rl = 1.0f / (fr-fl),
  95          tb = 1.0f / (ft-fb);
  96
  97    m4x4_zero( ortho.mtx.p );
  98    ortho.mtx.p[0][0] = 2.0f * rl;
  99    ortho.mtx.p[1][1] = 2.0f * tb;
 100    ortho.mtx.p[3][0] = (fr + fl) * -rl;
 101    ortho.mtx.p[3][1] = (ft + fb) * -tb;
 102    ortho.mtx.p[3][3] = 1.0f;
 103    m4x3_identity( ortho.transform );
 104    vg_camera_update_view( &ortho );
 105    m4x4_mul( ortho.mtx.p, ortho.mtx.v, ortho.mtx.pv );   /* HACK */
 106    vg_camera_finalize( &ortho );
 107
 108
 109    /* icons */
 110    font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &ortho );
 111    mesh_bind( &gui.icons_mesh );
 112
 113    m4x3f mmdl;
 114    m4x3_identity( mmdl );
 115    shader_model_font_uMdl( mmdl );
 116
 117    glActiveTexture( GL_TEXTURE0 );
 118    glBindTexture( GL_TEXTURE_2D, gui.icons_texture );
 119    shader_model_font_uTexMain( 0 );
 120
 121    for( u32 i=0; i<gui.icon_draw_count; i++ ){
 122       struct icon_call *call = &gui.icon_draw_buffer[i];
 123
 124       if( call->colour_changed )
 125          shader_model_font_uColour( call->colour );
 126
 127       shader_model_font_uOffset( call->location );
 128
 129       mdl_submesh *sm = gui.icons[ call->icon ];
 130       if( sm )
 131          mdl_draw_submesh( sm );
 132    }
 133
 134    gui.icon_draw_count = 0;
 135
 136
 137
 138    gui.factive = vg_lerpf( gui.factive, gui.helper_count?1.0f:0.0f,
 139                            vg.time_frame_delta*2.0f );
 140
 141    if( gui.factive > 0.01f ){
 142       /* draw bottom bar */
 143       glEnable(GL_BLEND);
 144       glDisable(GL_DEPTH_TEST);
 145       glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 146       glBlendEquation(GL_FUNC_ADD);
 147
 148       shader_blitcolour_use();
 149       shader_blitcolour_uColour( (v4f){ 0.0f, 0.0f, 0.0f, gui.factive*0.8f } );
 150       render_fsquad1();
 151    }
 152
 153    f64 loc_t = (vg.time_real - gui.location_time) / 5.0;
 154    if( (loc_t < 1.0) && (gui.location_time != 0.0) ){
 155       /* yep this code is a mess, i dont care anymore */
 156       glEnable(GL_BLEND);
 157       glDisable(GL_DEPTH_TEST);
 158       glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 159       glBlendEquation(GL_FUNC_ADD);
 160
 161       f32 t = 1.0f-vg_minf(1.0f,vg_minf(loc_t*20.0f,2.0f-loc_t*2.0f)),
 162           o = 1.0f-t*t*(2.0f-t);
 163
 164       shader_blitcolour_use();
 165       shader_blitcolour_uColour( (v4f){ 0.0f, 0.0f, 0.0f, o*0.5f } );
 166       render_fsquad2();
 167
 168       f32 dy    = ft/0.79f,
 169          scale = dy*0x1p-4f*0.5f;
 170
 171       m3x3_identity( mmdl );
 172       m3x3_scale( mmdl, (v3f){scale,scale,scale} );
 173       v3_zero( mmdl[3] );
 174
 175       f32 pad = dy*0x1p-4f*0.125f;
 176       f32 w = font3d_string_width( 2, gui.location );
 177
 178       mmdl[3][0] = fr*0.5f - w*scale*0.5f;
 179       mmdl[3][1] = 0.3f*ft+pad*2.0f;
 180
 181       font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &ortho );
 182       shader_model_font_uColour( (v4f){1.2f,1.2f,1.2f,o} );
 183       font3d_simple_draw( 2, gui.location, &ortho, mmdl );
 184    }
 185    else
 186       font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &ortho );
 187
 188    float dy    = ft/0.79f,
 189          scale = dy*0x1p-4f*0.75f;
 190
 191    m3x3_identity( mmdl );
 192    m3x3_scale( mmdl, (v3f){scale,scale,scale} );
 193    v3_zero( mmdl[3] );
 194
 195    float pad = dy*0x1p-4f*0.125f;
 196    mmdl[3][1] = pad;
 197
 198    for( u32 i=0; i<gui.helper_count; i++ ){
 199       struct gui_helper *helper = &gui.helpers[i];
 200
 201       char buf[32];
 202       vg_str str;
 203       vg_strnull( &str, buf, sizeof(buf) );
 204       vg_input_string( &str, helper->binding, 1 );
 205
 206       f32 bs = (f32)vg.window_x / (f32)(gui.helper_count+1),
 207           x  = ((f32)i + 1.0f) * bs;
 208       mmdl[3][0] = x - font3d_string_width( 2, buf )*0.5f*scale;
 209
 210       font3d_setcolour( (v4f){1.0f,1.0f,1.0f, helper->greyed? 0.5f: 1.0f} );
 211       font3d_simple_draw( 2, buf, &ortho, mmdl );
 212
 213       const char *make_smaller = "\x02\xaf\x03 ";
 214       font3d_draw( make_smaller );
 215       font3d_draw( helper->text );
 216
 217       float w = gui_font3d.offset[0]+1.0f;
 218    }
 219 }
 220
 221 static int gui_location_print_ccmd( int argc, const char *argv[] ){
 222    if( argc > 0 ){
 223       char new_loc[64];
 224       vg_str str;
 225       vg_strnull( &str, new_loc, 64 );
 226       for( int i=0; i<argc; i++ ){
 227          vg_strcat( &str, argv[i] );
 228          vg_strcat( &str, " " );
 229       }
 230       if( !strcmp(gui.location,new_loc) ) return 0;
 231       vg_strncpy( new_loc, gui.location, 64, k_strncpy_always_add_null );
 232       gui.location_time = vg.time_real;
 233    }
 234    return 0;
 235 }
 236
 237 static int gui_showtrick_ccmd( int argc, const char *argv[] ){
 238    if( argc == 1 ){
 239       gui_helper_clear();
 240       vg_str text;
 241
 242            if( !strcmp( argv[0], "pump" ) ){
 243          if( gui_new_helper( input_axis_list[k_sraxis_grab], &text ) )
 244             vg_strcat( &text, "Pump" );
 245       }
 246       else if( !strcmp( argv[0], "flip" ) ){
 247          if( gui_new_helper( input_joy_list[k_srjoystick_steer], &text ) )
 248             vg_strcat( &text, "Flip" );
 249       }
 250       else if( !strcmp( argv[0], "ollie" ) ){
 251          if( gui_new_helper( input_button_list[k_srbind_jump], &text ) )
 252             vg_strcat( &text, "Ollie" );
 253       }
 254       else if( !strcmp( argv[0], "trick" ) ){
 255          if( gui_new_helper( input_button_list[k_srbind_trick0], &text ) )
 256             vg_strcat( &text, "Shuvit" );
 257          if( gui_new_helper( input_button_list[k_srbind_trick1], &text ) )
 258             vg_strcat( &text, "Kickflip" );
 259          if( gui_new_helper( input_button_list[k_srbind_trick2], &text ) )
 260             vg_strcat( &text, "Tre-Flip" );
 261       }
 262       else if( !strcmp( argv[0], "misc" ) ){
 263          if( gui_new_helper( input_button_list[k_srbind_camera], &text ) )
 264             vg_strcat( &text, "Camera" );
 265          if( gui_new_helper( input_button_list[k_srbind_use], &text ) )
 266             vg_strcat( &text, "Skate/Walk" );
 267       }
 268       else return 1;
 269
 270       v3_copy( localplayer.rb.co, gui.trick_co );
 271       gui.active_positional_helper = 1;
 272       return 0;
 273    }
 274    return 1;
 275 }
 276
 277 static void gui_draw_icon( enum gui_icon icon, v2f co, f32 size ){
 278    if( gui.icon_draw_count == vg_list_size(gui.icon_draw_buffer) )
 279       return;
 280
 281    struct icon_call *call = &gui.icon_draw_buffer[ gui.icon_draw_count ++ ];
 282
 283    call->icon = icon;
 284    call->location[0] = co[0] * (f32)vg.window_x;
 285    call->location[1] = co[1] * (f32)vg.window_y;
 286    call->location[2] = 0.0f;
 287    call->location[3] = size * (f32)vg.window_x;
 288
 289    v4_copy( gui.cur_icon_colour, call->colour );
 290    call->colour_changed = gui.colour_changed;
 291    gui.colour_changed = 0;
 292 }
 293
 294 static void gui_icon_setcolour( v4f colour ){
 295    gui.colour_changed = 1;
 296    v4_copy( colour, gui.cur_icon_colour );
 297 }
 298
 299 static mdl_submesh *gui_find_icon( const char *name ){
 300    mdl_mesh *mesh = mdl_find_mesh( &gui.model_icons, name );
 301    if( mesh ){
 302       if( mesh->submesh_count ){
 303          return mdl_arritm( &gui.model_icons.submeshs, mesh->submesh_start );
 304       }
 305    }
 306
 307    return NULL;
 308 }
 309
 310 static void gui_init(void){
 311    font3d_load( &gui.font, "models/rs_font.mdl", vg_mem.rtmemory );
 312    vg_console_reg_cmd( "gui_location", gui_location_print_ccmd, NULL );
 313    vg_console_reg_cmd( "showtrick", gui_showtrick_ccmd, NULL );
 314
 315    /* load icons */
 316    void *alloc = vg_mem.rtmemory;
 317    mdl_open( &gui.model_icons, "models/rs_icons.mdl", alloc );
 318    mdl_load_metadata_block( &gui.model_icons, alloc );
 319
 320    gui.icons[ k_gui_icon_tick ] = gui_find_icon( "icon_tick" );
 321    gui.icons[ k_gui_icon_tick_2d ] = gui_find_icon( "icon_tick2d" );
 322    gui.icons[ k_gui_icon_exclaim ] = gui_find_icon( "icon_exclaim" );
 323    gui.icons[ k_gui_icon_exclaim_2d ] = gui_find_icon( "icon_exclaim2d" );
 324    gui.icons[ k_gui_icon_board ] = gui_find_icon( "icon_board" );
 325    gui.icons[ k_gui_icon_world ] = gui_find_icon( "icon_world" );
 326    gui.icons[ k_gui_icon_rift ] = gui_find_icon( "icon_rift" );
 327    gui.icons[ k_gui_icon_rift_run ] = gui_find_icon( "icon_rift_run" );
 328    gui.icons[ k_gui_icon_rift_run_2d ] = gui_find_icon( "icon_rift_run2d" );
 329    gui.icons[ k_gui_icon_friend ] = gui_find_icon( "icon_friend" );
 330    gui.icons[ k_gui_icon_player ] = gui_find_icon( "icon_player" );
 331    gui.icons[ k_gui_icon_glider ] = gui_find_icon( "icon_glider" );
 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 }