respawn.c

   1 #ifndef RESPAWN_C
   2 #define RESPAWN_C
   3
   4 #include "respawn.h"
   5 #include "skaterift.h"
   6 #include "world.h"
   7 #include "input.h"
   8 #include "gui.h"
   9 #include "menu.h"
  10 #include "scene.h"
  11
  12 static void respawn_chooser_get_dir( v3f dir ){
  13    /* idk */
  14    dir[0] = -sqrtf(0.5f);
  15    dir[2] =  sqrtf(0.5f);
  16    dir[1] =  1.0f;
  17    v3_normalize(dir);
  18 }
  19
  20 static void respawn_chooser_get_plane( v4f plane ){
  21    world_instance *world = &world_static.instances[ respawn_chooser.world_id ];
  22    f32 h = localplayer.rb.co[1];
  23    if( respawn_chooser.world_id != world_static.active_instance )
  24       h = (world->scene_geo.bbx[0][1] + world->scene_geo.bbx[1][1]) * 0.5f;
  25
  26    v4_copy( (v4f){0.0f,1.0f,0.0f,h}, plane );
  27 }
  28
  29 static void respawn_world_to_plane_pos( v3f pos, v2f plane_pos ){
  30    v3f dir;
  31    respawn_chooser_get_dir( dir );
  32    v3_negate(dir,dir);
  33    v4f plane;
  34    respawn_chooser_get_plane( plane );
  35
  36    v3f co;
  37    f32 t = ray_plane( plane, pos, dir );
  38    v3_muladds( pos, dir, t, co );
  39    plane_pos[0] = co[0];
  40    plane_pos[1] = co[2];
  41 }
  42
  43 static void respawn_chooser_setworld( u32 next ){
  44    world_instance *nw = &world_static.instances[next];
  45    if( nw->status == k_world_status_loaded ){
  46       respawn_chooser.world_id = next;
  47
  48       v3f target;
  49       if( next == world_static.active_instance )
  50          v3_copy( localplayer.rb.co, target );
  51       else {
  52          scene_context *sc = &nw->scene_geo;
  53          v3_lerp( sc->bbx[0], sc->bbx[1], 0.5f, target );
  54       }
  55       respawn_world_to_plane_pos( target, respawn_chooser.plane_pos );
  56    }
  57 }
  58
  59 static void respawn_chooser_gohome(void){
  60    respawn_chooser_setworld(0);
  61    world_instance *world = &world_static.instances[ respawn_chooser.world_id ];
  62
  63    const char **alias = respawn_homes[respawn_chooser.home_select];
  64    ent_spawn *spawn = world_find_spawn_by_name( world, alias[0] );
  65
  66    if( spawn ){
  67       respawn_world_to_plane_pos( spawn->transform.co,
  68                                   respawn_chooser.plane_pos );
  69
  70       gui_location_print_ccmd( 1, (const char *[]){ alias[1] } );
  71    }
  72    else
  73       gui_location_print_ccmd( 1, (const char *[]){ "Invalid home ID" } );
  74 }
  75
  76 static void respawn_map_draw_icon( camera *cam,
  77                                       enum gui_icon icon, v3f pos ){
  78    v4f v;
  79    v3_copy( pos, v );
  80    v[3] = 1.0f;
  81    m4x4_mulv( cam->mtx.pv, v, v );
  82    v2_divs( v, v[3], v );
  83
  84    gui_draw_icon( icon, (v2f){ v[0]*0.5f+0.5f,v[1]*0.5f+0.5f }, 1.0f );
  85 }
  86
  87 static void respawn_chooser_pre_update(void){
  88    if( skaterift.activity != k_skaterift_respawning ) return;
  89
  90    if( button_down( k_srbind_mback ) ){
  91       srinput.state = k_input_state_resume;
  92       skaterift.activity = k_skaterift_menu;
  93       menu.page = 0xffffffff;
  94       menu_open_page( "Main Menu", k_ent_menuitem_stack_append );
  95       return;
  96    }
  97
  98    if( button_down( k_srbind_maccept ) ){
  99       skaterift.activity = k_skaterift_default;
 100       srinput.state = k_input_state_resume;
 101
 102       if( respawn_chooser.spawn ){
 103          world_static.active_instance = respawn_chooser.world_id;
 104          localplayer.viewable_world =
 105             &world_static.instances[ respawn_chooser.world_id ];
 106          player__spawn( respawn_chooser.spawn );
 107       }
 108       return;
 109    }
 110
 111    if( button_down( k_srbind_world_left ) ){
 112       if( respawn_chooser.world_id > 0 )
 113          respawn_chooser_setworld( respawn_chooser.world_id-1 );
 114    }
 115
 116    if( button_down( k_srbind_world_right ) ){
 117       u32 next = respawn_chooser.world_id+1;
 118       if( next < vg_list_size(world_static.instances) )
 119          respawn_chooser_setworld( next );
 120    }
 121
 122    if( button_down(k_srbind_home) ){
 123       respawn_chooser.home_select ++;
 124       if( respawn_chooser.home_select >= vg_list_size(respawn_homes) )
 125          respawn_chooser.home_select = 0;
 126       respawn_chooser_gohome();
 127    }
 128
 129    world_instance *world = &world_static.instances[ respawn_chooser.world_id ];
 130    v3f *bbx = world->scene_geo.bbx;
 131    f32 *pos = respawn_chooser.plane_pos;
 132
 133    v2f steer;
 134    joystick_state( k_srjoystick_steer, steer );
 135    v2_normalize_clamp( steer );
 136
 137    m2x2f rm;
 138    m2x2_create_rotation( rm, -0.25f*VG_PIf );
 139    m2x2_mulv( rm, steer, steer );
 140
 141    v2_muladds( pos, steer, vg.time_frame_delta * 200.0f, pos );
 142    v2_minv( (v2f){ bbx[1][0], bbx[1][2] }, pos, pos );
 143    v2_maxv( (v2f){ bbx[0][0], bbx[0][2] }, pos, pos );
 144
 145    /* update camera */
 146    camera *cam = &respawn_chooser.cam;
 147    v3f dir;
 148    respawn_chooser_get_dir(dir);
 149
 150    v4f plane;
 151    respawn_chooser_get_plane( plane );
 152
 153    v3f co = { pos[0], plane[3]*plane[1], pos[1] };
 154    v3_muladds( co, dir, respawn_chooser.boom_dist, cam->pos );
 155
 156    vg_line_cross( co, VG__RED, 10.0f );
 157
 158    cam->angles[0] = 0.25f * VG_PIf;
 159    cam->angles[1] = 0.25f * VG_PIf;
 160    cam->farz = 5000.0f;
 161    cam->nearz = 10.0f;
 162    cam->fov = 40.0f;
 163
 164    camera_update_transform( cam );
 165    camera_update_view( cam );
 166    camera_update_projection( cam );
 167    camera_finalize( cam );
 168
 169    /* pick spawn */
 170    respawn_chooser.spawn = NULL;
 171    f32 closest2 = INFINITY;
 172
 173    for( u32 i=0; i<mdl_arrcount(&world->ent_spawn); i++ ){
 174       ent_spawn *spawn = mdl_arritm(&world->ent_spawn,i);
 175
 176       v4f v;
 177       v3_copy( spawn->transform.co, v );
 178       v[3] = 1.0f;
 179       m4x4_mulv( cam->mtx.pv, v, v );
 180       v2_divs( v, v[3], v );
 181
 182       f32 d2 = v2_length2(v);
 183       if( d2 < closest2 ){
 184          respawn_chooser.spawn = spawn;
 185          closest2 = d2;
 186       }
 187    }
 188
 189    /* icons
 190     * ---------------------*/
 191    for( u32 i=0; i<mdl_arrcount(&world->ent_challenge); i++ ){
 192       ent_challenge *challenge = mdl_arritm( &world->ent_challenge, i );
 193
 194       enum gui_icon icon = k_gui_icon_exclaim;
 195       if( challenge->status )
 196          icon = k_gui_icon_tick;
 197
 198       respawn_map_draw_icon( cam, icon, challenge->transform.co );
 199    }
 200
 201    for( u32 i=0; i<mdl_arrcount(&world->ent_skateshop); i++ ){
 202       ent_skateshop *shop = mdl_arritm( &world->ent_skateshop, i );
 203       if( shop->type == k_skateshop_type_boardshop ){
 204          respawn_map_draw_icon( cam, k_gui_icon_board, shop->transform.co );
 205       }
 206       else if( shop->type == k_skateshop_type_worldshop ){
 207          respawn_map_draw_icon( cam, k_gui_icon_world, shop->transform.co );
 208       }
 209    }
 210
 211    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
 212       ent_route *route = mdl_arritm( &world->ent_route, i );
 213
 214       v4f colour;
 215       v4_copy( route->colour, colour );
 216       v3_muls( colour, 1.6666f, colour );
 217       gui_icon_setcolour( colour );
 218       respawn_map_draw_icon( cam, k_gui_icon_rift_run,
 219                              route->board_transform[3] );
 220    }
 221 }
 222
 223 static void respawn_begin_chooser(void){
 224    skaterift.activity = k_skaterift_respawning;
 225    respawn_chooser.world_id = world_static.active_instance;
 226
 227    world_instance *world = &world_static.instances[ respawn_chooser.world_id ];
 228    v3f *bbx = world->scene_geo.bbx;
 229
 230    respawn_world_to_plane_pos( localplayer.rb.co, respawn_chooser.plane_pos );
 231    respawn_chooser.boom_dist = 400.0f;
 232    respawn_chooser.home_select = 0;
 233
 234    gui_helper_clear();
 235
 236    vg_str text;
 237    if( gui_new_helper( input_joy_list[k_srjoystick_steer], &text ) )
 238       vg_strcat( &text, "move" );
 239
 240    if( gui_new_helper( input_button_list[k_srbind_mleft], &text ) )
 241       vg_strcat( &text, "world" );
 242
 243    if( gui_new_helper( input_button_list[k_srbind_maccept], &text ) )
 244       vg_strcat( &text, "spawn" );
 245
 246    if( gui_new_helper( input_button_list[k_srbind_home], &text ) )
 247       vg_strcat( &text, "home" );
 248 }
 249
 250 static void respawn_chooser_shader_uniforms(void){
 251    v4f uPlayerPos, uSpawnPos;
 252    v4_zero( uPlayerPos );
 253    v4_zero( uSpawnPos );
 254
 255    v3_copy( localplayer.rb.co, uPlayerPos );
 256
 257    if( respawn_chooser.spawn )
 258       v3_copy( respawn_chooser.spawn->transform.co, uSpawnPos );
 259
 260    uPlayerPos[3] = v3_dist(uPlayerPos,uSpawnPos);
 261    uSpawnPos[3] = 1.0f/uPlayerPos[3];
 262
 263    shader_scene_override_uPlayerPos( uPlayerPos );
 264    shader_scene_override_uSpawnPos( uSpawnPos );
 265 }
 266
 267 #endif /* RESPAWN_C */