gui.h

   1 #pragma once
   2 #include "font.h"
   3 #include "input.h"
   4 #include "player.h"
   5 #include "vg/vg_imgui.h"
   6
   7 #define GUI_COL_DARK   ui_opacity( 0x00000000, 0.7f )
   8 #define GUI_COL_NORM   ui_opacity( 0x00101010, 0.7f )
   9 #define GUI_COL_ACTIVE ui_opacity( 0x00444444, 0.7f )
  10 #define GUI_COL_CLICK  ui_opacity( 0x00858585, 0.7f )
  11 #define GUI_COL_HI     ui_opacity( 0x00ffffff, 0.8f )
  12
  13 enum gui_icon {
  14    k_gui_icon_tick    = 0,
  15    k_gui_icon_tick_2d,
  16    k_gui_icon_exclaim,
  17    k_gui_icon_exclaim_2d,
  18    k_gui_icon_board,
  19    k_gui_icon_world,
  20    k_gui_icon_rift,
  21    k_gui_icon_rift_run,
  22    k_gui_icon_rift_run_2d,
  23    k_gui_icon_friend,
  24    k_gui_icon_player,
  25    k_gui_icon_rift_run_gold,
  26    k_gui_icon_rift_run_silver,
  27    k_gui_icon_glider,
  28    k_gui_icon_spawn,
  29    k_gui_icon_spawn_select,
  30
  31    k_gui_icon_count,
  32 };
  33
  34 #define GUI_HELPER_TEXT_LENGTH 32
  35
  36 struct{
  37    struct gui_helper{
  38       vg_input_op *binding;
  39       char text[GUI_HELPER_TEXT_LENGTH];
  40       int greyed;
  41    }
  42    helpers[4];
  43    u32 helper_count;
  44
  45    int active_positional_helper;
  46
  47    struct icon_call {
  48       enum gui_icon icon;
  49       v4f location;
  50       v4f colour;
  51       int colour_changed;
  52    }
  53    icon_draw_buffer[64];
  54    u32 icon_draw_count;
  55    v4f cur_icon_colour;
  56    int colour_changed;
  57
  58    char location[64];
  59    f64  location_time;
  60
  61    f32 factive;
  62    font3d font;
  63
  64    v3f trick_co;
  65
  66    mdl_context model_icons;
  67    GLuint icons_texture;
  68    glmesh icons_mesh;
  69
  70    mdl_submesh *icons[ k_gui_icon_count ];
  71 }
  72 static gui = {.cur_icon_colour = {1.0f,1.0f,1.0f,1.0f},.colour_changed=1};
  73
  74 static void gui_helper_clear(void){
  75    gui.helper_count = 0;
  76    gui.active_positional_helper = 0;
  77 }
  78
  79 static struct gui_helper *gui_new_helper( vg_input_op *bind, vg_str *out_text ){
  80    if( gui.helper_count >= vg_list_size(gui.helpers) ){
  81       vg_error( "Too many helpers\n" );
  82       return NULL;
  83    }
  84
  85    struct gui_helper *helper = &gui.helpers[ gui.helper_count ++ ];
  86    helper->greyed = 0;
  87    helper->binding = bind;
  88    vg_strnull( out_text, helper->text, sizeof(helper->text) );
  89    return helper;
  90 }
  91
  92 static void gui_render_icons(void)
  93 {
  94    vg_camera ortho;
  95
  96    float fl = 0.0f,
  97          fr = vg.window_x,
  98          fb = 0.0f,
  99          ft = vg.window_y,
 100          rl = 1.0f / (fr-fl),
 101          tb = 1.0f / (ft-fb);
 102
 103    m4x4_zero( ortho.mtx.p );
 104    ortho.mtx.p[0][0] = 2.0f * rl;
 105    ortho.mtx.p[1][1] = 2.0f * tb;
 106    ortho.mtx.p[3][0] = (fr + fl) * -rl;
 107    ortho.mtx.p[3][1] = (ft + fb) * -tb;
 108    ortho.mtx.p[3][3] = 1.0f;
 109    m4x3_identity( ortho.transform );
 110    vg_camera_update_view( &ortho );
 111    m4x4_mul( ortho.mtx.p, ortho.mtx.v, ortho.mtx.pv );   /* HACK */
 112    vg_camera_finalize( &ortho );
 113
 114    /* icons */
 115    font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &ortho );
 116    mesh_bind( &gui.icons_mesh );
 117
 118    m4x3f mmdl;
 119    m4x3_identity( mmdl );
 120    shader_model_font_uMdl( mmdl );
 121
 122    glActiveTexture( GL_TEXTURE0 );
 123    glBindTexture( GL_TEXTURE_2D, gui.icons_texture );
 124    shader_model_font_uTexMain( 0 );
 125
 126    for( u32 i=0; i<gui.icon_draw_count; i++ ){
 127       struct icon_call *call = &gui.icon_draw_buffer[i];
 128
 129       if( call->colour_changed )
 130          shader_model_font_uColour( call->colour );
 131
 132       shader_model_font_uOffset( call->location );
 133
 134       mdl_submesh *sm = gui.icons[ call->icon ];
 135       if( sm )
 136          mdl_draw_submesh( sm );
 137    }
 138
 139    gui.icon_draw_count = 0;
 140 }
 141
 142 static void gui_draw(void)
 143 {
 144    if( gui.active_positional_helper &&
 145          (v3_dist2(localplayer.rb.co,gui.trick_co) > 2.0f) )
 146       gui_helper_clear();
 147
 148    /* helpers
 149     * -----------------------------------------------------------------  */
 150
 151    gui.factive = vg_lerpf( gui.factive, gui.helper_count?1.0f:0.0f,
 152                            vg.time_frame_delta*2.0f );
 153
 154    ui_font_face( &vgf_default_title );
 155    ui_px height = vg_ui.font->ch + 16;
 156    ui_rect lwr = { 0, vg.window_y - height, vg.window_x, height };
 157
 158    ui_px x = 0;
 159    for( u32 i=0; i<gui.helper_count; i++ )
 160    {
 161       struct gui_helper *helper = &gui.helpers[i];
 162
 163       char buf[128];
 164       vg_str str;
 165       vg_strnull( &str, buf, sizeof(buf) );
 166       vg_input_string( &str, helper->binding, 1 );
 167
 168       ui_rect box = { x, lwr[1], 1000, lwr[3] };
 169
 170       u32 fg = 0;
 171       f32 opacity = 0.4f;
 172       if( helper->greyed )
 173       {
 174          fg = ui_colour(k_ui_fg+2);
 175          opacity = 0.1f;
 176       }
 177
 178       struct ui_vert *bg = ui_fill( box, ui_opacity( GUI_COL_DARK, opacity ) );
 179
 180       u32 w;
 181       box[0] += 16;
 182       w = ui_text( box, buf, 1, k_ui_align_middle_left, fg );
 183       w *= vg_ui.font->sx;
 184       bg[1].co[0] = x + w + 32;
 185       bg[2].co[0] = x + w + 32;
 186       x += w + 32;
 187
 188       box[0] = x;
 189       bg = ui_fill( box, ui_opacity( GUI_COL_NORM, opacity*0.7f ) );
 190       box[0] += 8;
 191       w = ui_text( box, helper->text, 1, k_ui_align_middle_left, fg );
 192       w *= vg_ui.font->sx;
 193       bg[1].co[0] = box[0] + w + 16;
 194       bg[2].co[0] = box[0] + w + 16;
 195       x += w + 32;
 196    }
 197
 198    vg_ui.frosting = gui.factive*0.015f;
 199    ui_flush( k_ui_shader_colour, vg.window_x, vg.window_y );
 200    vg_ui.frosting = 0.0f;
 201
 202
 203    f64 loc_t = (vg.time_real - gui.location_time) / 5.0;
 204    if( (loc_t < 1.0) && (gui.location_time != 0.0) )
 205    {
 206       f32 t = 1.0f-vg_minf(1.0f,vg_minf(loc_t*20.0f,2.0f-loc_t*2.0f)),
 207           o = 1.0f-t*t*(2.0f-t);
 208
 209       ui_rect box = { 0, (vg.window_y*2)/3 - height/2, vg.window_x, height };
 210       ui_fill( box, ui_opacity( GUI_COL_NORM, 0.5f ) );
 211       ui_text( box, gui.location, 1, k_ui_align_middle_center, 0 );
 212
 213       vg_ui.colour[3] = o;
 214       ui_flush( k_ui_shader_colour, vg.window_x, vg.window_y );
 215    }
 216
 217    vg_ui.colour[3] = 1.0f;
 218    ui_font_face( &vgf_default_small );
 219 }
 220
 221 static int gui_location_print_ccmd( int argc, const char *argv[] )
 222 {
 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_glider ] = gui_find_icon( "icon_glider" );
 333    gui.icons[ k_gui_icon_spawn ] = gui_find_icon( "icon_spawn" );
 334    gui.icons[ k_gui_icon_spawn_select ] = gui_find_icon( "icon_spawn_select" );
 335    gui.icons[ k_gui_icon_rift_run_gold ] =
 336       gui_find_icon("icon_rift_run_medal_gold");
 337    gui.icons[ k_gui_icon_rift_run_silver]=
 338       gui_find_icon("icon_rift_run_medal_silver");
 339
 340    vg_linear_clear( vg_mem.scratch );
 341    if( !mdl_arrcount( &gui.model_icons.textures ) )
 342       vg_fatal_error( "No texture in menu file" );
 343    mdl_texture *tex0 = mdl_arritm( &gui.model_icons.textures, 0 );
 344    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
 345    mdl_fread_pack_file( &gui.model_icons, &tex0->file, data );
 346    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
 347                             VG_TEX2D_LINEAR|VG_TEX2D_CLAMP,
 348                             &gui.icons_texture );
 349
 350    mdl_async_load_glmesh( &gui.model_icons, &gui.icons_mesh, NULL );
 351    mdl_close( &gui.model_icons );
 352 }