world.c

   1 /*
   2  * Copyright (C) 2021-2023 Mt.ZERO Software, Harry Godden - All Rights Reserved
   3  */
   4
   5 #ifndef WORLD_C
   6 #define WORLD_C
   7
   8 #include "world.h"
   9 #include "network.h"
  10
  11 static world_instance *world_current_instance(void){
  12    return &world_static.instances[ world_static.active_instance ];
  13 }
  14
  15 static void world_init(void)
  16 {
  17    vg_loader_step( world_render_init, NULL );
  18    vg_loader_step( world_sfd_init, NULL );
  19    vg_loader_step( world_water_init, NULL );
  20    vg_loader_step( world_gates_init, NULL );
  21    vg_loader_step( world_routes_init, NULL );
  22
  23    /* Allocate dynamic world memory arena */
  24    u32 max_size = 76*1024*1024;
  25    world_static.heap = vg_create_linear_allocator( vg_mem.rtmemory, max_size,
  26                                                    VG_MEMORY_SYSTEM );
  27 }
  28
  29 static void world_switch_instance( u32 index ){
  30    localplayer.subsystem = k_player_subsystem_walk;
  31
  32    if( index >= vg_list_size(world_static.instances) ){
  33       vg_error( "Instance ID out of range (%u)\n", index );
  34       return;
  35    }
  36
  37    world_instance *new = &world_static.instances[ index ];
  38
  39    if( new->status != k_world_status_loaded ){
  40       vg_error( "Instance is not loaded (%u)\n", index );
  41       return;
  42    }
  43
  44    if( skaterift.demo_mode ){
  45       if( world_static.instance_addons[index]->flags & ADDON_REG_PREMIUM ){
  46          vg_error( "Can't switch to a premium world in the demo version\n" );
  47          return;
  48       }
  49    }
  50
  51    world_instance *current =
  52       &world_static.instances[ world_static.active_instance ];
  53
  54    if( index != world_static.active_instance ){
  55       v3_copy( localplayer.rb.co, current->player_co );
  56       skaterift_autosave(1);
  57    }
  58
  59    v3_copy( new->player_co, localplayer.rb.co );
  60
  61    world_static.active_instance = index;
  62    player__reset();
  63 }
  64
  65 static int skaterift_switch_instance_cmd( int argc, const char *argv[] ){
  66    if( argc )
  67       world_switch_instance( atoi(argv[0]) );
  68    else
  69       vg_info( "switch_active_instance <id>\n" );
  70    return 0;
  71 }
  72
  73 static void skaterift_world_get_save_path( enum world_purpose which,
  74                                            char buf[128] ){
  75    addon_reg *reg = world_static.instance_addons[ which ];
  76    assert( reg );
  77
  78    char id[76];
  79    addon_alias_uid( &reg->alias, id );
  80    snprintf( buf, 128, "savedata/%s.bkv", id );
  81 }
  82
  83 #include "world_entity.c"
  84 #include "world_gate.c"
  85 #include "world_gen.c"
  86 #include "world_load.c"
  87 #include "world_physics.c"
  88 #include "world_render.c"
  89 #include "world_sfd.c"
  90 #include "world_volumes.c"
  91 #include "world_water.c"
  92 #include "world_audio.c"
  93 #include "world_routes.c"
  94
  95 static void world_update( world_instance *world, v3f pos ){
  96    world_render.sky_time += world_render.sky_rate * vg.time_delta;
  97    world_render.sky_rate = vg_lerp( world_render.sky_rate,
  98                                     world_render.sky_target_rate,
  99                                     vg.time_delta * 5.0 );
 100
 101    world_routes_update_timer_texts( world );
 102    world_routes_update( world );
 103    ent_traffic_update( world, pos );
 104    world_sfd_update( world, pos );
 105    world_volumes_update( world, pos );
 106 }
 107
 108 #endif /* WORLD_C */