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