world_map.c

   1 #include "skaterift.h"
   2 #include "world_map.h"
   3 #include "world.h"
   4 #include "input.h"
   5 #include "gui.h"
   6 #include "menu.h"
   7 #include "scene.h"
   8
   9 struct world_map world_map;
  10
  11 static void world_map_get_dir( v3f dir ){
  12    /* idk */
  13    dir[0] = -sqrtf(0.5f);
  14    dir[2] =  sqrtf(0.5f);
  15    dir[1] =  1.0f;
  16    v3_normalize(dir);
  17 }
  18
  19 static void world_map_get_plane( v4f plane ){
  20    world_instance *world = &world_static.instances[ world_map.world_id ];
  21    f32 h = localplayer.rb.co[1];
  22    if( world_map.world_id != world_static.active_instance )
  23       h = (world->scene_geo.bbx[0][1] + world->scene_geo.bbx[1][1]) * 0.5f;
  24
  25    v4_copy( (v4f){0.0f,1.0f,0.0f,h}, plane );
  26 }
  27
  28 static void respawn_world_to_plane_pos( v3f pos, v2f plane_pos ){
  29    v3f dir;
  30    world_map_get_dir( dir );
  31    v3_negate(dir,dir);
  32    v4f plane;
  33    world_map_get_plane( plane );
  34
  35    v3f co;
  36    f32 t = ray_plane( plane, pos, dir );
  37    v3_muladds( pos, dir, t, co );
  38    plane_pos[0] = co[0];
  39    plane_pos[1] = co[2];
  40 }
  41
  42 static void respawn_map_draw_icon( vg_camera *cam,
  43                                    enum gui_icon icon, v3f pos ){
  44    v4f v;
  45    v3_copy( pos, v );
  46    v[3] = 1.0f;
  47    m4x4_mulv( cam->mtx.pv, v, v );
  48    v2_divs( v, v[3], v );
  49
  50    gui_draw_icon( icon, (v2f){ v[0]*0.5f+0.5f,v[1]*0.5f+0.5f }, 1.0f );
  51 }
  52
  53 void world_map_pre_update(void)
  54 {
  55    if( skaterift.activity != k_skaterift_world_map ) return;
  56
  57    if( button_down( k_srbind_mback ) ){
  58       gui_helper_clear();
  59       srinput.state = k_input_state_resume;
  60       skaterift.activity = k_skaterift_menu;
  61       menu.page = 0xffffffff;
  62       menu_open_page( "Main Menu", k_ent_menuitem_stack_append );
  63       return;
  64    }
  65
  66    if( button_down( k_srbind_maccept ) ){
  67       skaterift.activity = k_skaterift_default;
  68       srinput.state = k_input_state_resume;
  69
  70       if( world_map.spawn ){
  71          world_static.active_instance = world_map.world_id;
  72          player__spawn( world_map.spawn );
  73       }
  74       return;
  75    }
  76
  77    world_instance *world = &world_static.instances[ world_map.world_id ];
  78    v3f *bbx = world->scene_geo.bbx;
  79    f32 *pos = world_map.plane_pos;
  80
  81    v2f steer;
  82    joystick_state( k_srjoystick_steer, steer );
  83    v2_normalize_clamp( steer );
  84
  85    m2x2f rm;
  86    m2x2_create_rotation( rm, -0.25f*VG_PIf );
  87    m2x2_mulv( rm, steer, steer );
  88
  89    v2_muladds( pos, steer, vg.time_frame_delta * 200.0f, pos );
  90    v2_minv( (v2f){ bbx[1][0], bbx[1][2] }, pos, pos );
  91    v2_maxv( (v2f){ bbx[0][0], bbx[0][2] }, pos, pos );
  92
  93    /* update camera */
  94    vg_camera *cam = &world_map.cam;
  95    v3f dir;
  96    world_map_get_dir(dir);
  97
  98    v4f plane;
  99    world_map_get_plane( plane );
 100
 101    v3f co = { pos[0], plane[3]*plane[1], pos[1] };
 102    v3_muladds( co, dir, world_map.boom_dist, cam->pos );
 103
 104    vg_line_cross( co, VG__RED, 10.0f );
 105
 106    cam->angles[0] = 0.25f * VG_PIf;
 107    cam->angles[1] = 0.25f * VG_PIf;
 108    cam->farz = 5000.0f;
 109    cam->nearz = 10.0f;
 110    cam->fov = 40.0f;
 111
 112    vg_camera_update_transform( cam );
 113    vg_camera_update_view( cam );
 114    vg_camera_update_projection( cam );
 115    vg_camera_finalize( cam );
 116
 117    /* pick spawn */
 118    world_map.spawn = NULL;
 119    f32 closest2 = INFINITY;
 120
 121    for( u32 i=0; i<mdl_arrcount(&world->ent_spawn); i++ ){
 122       ent_spawn *spawn = mdl_arritm(&world->ent_spawn,i);
 123
 124       v4f v;
 125       v3_copy( spawn->transform.co, v );
 126       v[3] = 1.0f;
 127       m4x4_mulv( cam->mtx.pv, v, v );
 128       v2_divs( v, v[3], v );
 129
 130       f32 d2 = v2_length2(v);
 131       if( d2 < closest2 ){
 132          world_map.spawn = spawn;
 133          closest2 = d2;
 134       }
 135    }
 136
 137    /* icons
 138     * ---------------------*/
 139    for( u32 i=0; i<mdl_arrcount(&world->ent_challenge); i++ ){
 140       ent_challenge *challenge = mdl_arritm( &world->ent_challenge, i );
 141
 142       enum gui_icon icon = k_gui_icon_exclaim_2d;
 143       if( challenge->status )
 144          icon = k_gui_icon_tick_2d;
 145
 146       respawn_map_draw_icon( cam, icon, challenge->transform.co );
 147    }
 148
 149    for( u32 i=0; i<mdl_arrcount(&world->ent_skateshop); i++ ){
 150       ent_skateshop *shop = mdl_arritm( &world->ent_skateshop, i );
 151       if( shop->type == k_skateshop_type_boardshop ){
 152          respawn_map_draw_icon( cam, k_gui_icon_board, shop->transform.co );
 153       }
 154       else if( shop->type == k_skateshop_type_worldshop ){
 155          respawn_map_draw_icon( cam, k_gui_icon_world, shop->transform.co );
 156       }
 157    }
 158
 159    for( u32 i=0; i<mdl_arrcount(&world->ent_gate); i++ ){
 160       ent_gate *gate = mdl_arritm( &world->ent_gate, i );
 161       if( gate->flags & k_ent_gate_nonlocal ){
 162          respawn_map_draw_icon( cam, k_gui_icon_rift, gate->co[0] );
 163       }
 164    }
 165
 166    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
 167       ent_route *route = mdl_arritm( &world->ent_route, i );
 168
 169       v4f colour;
 170       v4_copy( route->colour, colour );
 171       v3_muls( colour, 1.6666f, colour );
 172       gui_icon_setcolour( colour );
 173       respawn_map_draw_icon( cam, k_gui_icon_rift_run_2d,
 174                              route->board_transform[3] );
 175    }
 176
 177    for( u32 i=0; i<mdl_arrcount(&world->ent_glider); i ++ ){
 178       ent_glider *glider = mdl_arritm( &world->ent_glider, i );
 179
 180       v4f colour = { 1,1,1,1 };
 181
 182       if( !(glider->flags & 0x1) )
 183          v3_muls( colour, 0.5f, colour );
 184       gui_icon_setcolour( colour );
 185
 186       respawn_map_draw_icon( cam, k_gui_icon_glider, glider->transform.co );
 187    }
 188 }
 189
 190 void world_map_enter(void)
 191 {
 192    skaterift.activity = k_skaterift_world_map;
 193    world_map.world_id = world_static.active_instance;
 194
 195    world_instance *world = &world_static.instances[ world_map.world_id ];
 196    v3f *bbx = world->scene_geo.bbx;
 197
 198    respawn_world_to_plane_pos( localplayer.rb.co, world_map.plane_pos );
 199    world_map.boom_dist = 400.0f;
 200    world_map.home_select = 0;
 201
 202    gui_helper_clear();
 203
 204    vg_str text;
 205    if( gui_new_helper( input_joy_list[k_srjoystick_steer], &text ) )
 206       vg_strcat( &text, "move" );
 207
 208    if( gui_new_helper( input_button_list[k_srbind_maccept], &text ) )
 209       vg_strcat( &text, "spawn" );
 210
 211    if( gui_new_helper( input_button_list[k_srbind_mback], &text ) )
 212       vg_strcat( &text, "exit" );
 213 }