2 * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
10 typedef struct world_instance world_instance
;
12 #include "vg/vg_loader.h"
15 #include "network_msg.h"
18 #include "rigidbody.h"
23 #include "shaders/scene_standard.h"
24 #include "shaders/scene_standard_alphatest.h"
25 #include "shaders/scene_vertex_blend.h"
26 #include "shaders/scene_terrain.h"
27 #include "shaders/scene_depth.h"
28 #include "shaders/scene_position.h"
30 #include "shaders/model_sky.h"
32 enum { k_max_ui_segments
= 8 };
34 enum { k_max_ui_elements
= k_max_ui_segments
};
35 enum { k_max_element_verts
= 10 };
36 enum { k_max_element_indices
= 20 };
38 enum { k_route_ui_max_verts
= k_max_ui_elements
*k_max_element_verts
};
39 enum { k_route_ui_max_indices
= k_max_ui_elements
*k_max_element_indices
};
43 k_logic_type_relay
= 1,
44 k_logic_type_chance
= 2,
45 k_logic_type_achievement
= 3
51 k_geo_type_nonsolid
= 1,
55 static const float k_light_cube_size
= 8.0f
;
59 /* This is a small flag we use to changelevel.
60 * It will not be cleared until all sounds stop playing
64 * -------------------------------------------------------
67 char world_name
[ 64 ];
81 struct ub_world_lighting
90 v4f g_nightsky_colour
;
100 float g_shadow_length
;
101 float g_shadow_spread
;
105 float g_sunset_phase
;
108 int g_shadow_samples
;
111 int g_debug_complexity
;
117 GLuint tbo_light_entities
,
123 struct framebuffer heightmap
;
126 * Dynamically allocated when world_load is called.
128 * the following arrays index somewhere into this linear
132 * --------------------------------------------------------------------------
151 mdl_array_ptr ent_spawn
,
159 ent_gate
*rendering_gate
;
163 * Named safe places to respawn
175 * Audio player entities
177 struct world_audio_thing
182 audio_clip temp_embedded_clip
;
185 u32 audio_things_count
;
190 audio_channel
*channels
[4];
192 /* accessable without locking */
197 u32 allow_transitions
;
198 float transition_duration
;
202 u32 soundscape_count
;
205 * Box volume entities
209 m4x3f transform
, inv_transform
;
221 struct classtype_world_light
*inf
;
229 * Routes (world_routes.h)
230 * --------------------------------------------------------------------------
235 v3f co
, right
, up
, h
;
238 u32 special_type
, special_id
, current_refs
, ref_count
;
239 u32 route_ids
[4]; /* Gates can be linked into up to four routes */
255 double best_lap
, latest_pass
; /* Session */
257 m4x3f scoreboard_transform
;
270 m4x3f to_world
, transport
;
278 u32 version
; /* Incremented on every teleport */
288 struct teleport_gate gate
;
291 u32 target_map_index
, working
;
294 u32 nonlocalgate_count
;
296 struct route_collector
298 struct route_timing timing
;
306 * ----------------------------------------------------
314 /* spacial mappings */
320 glmesh mesh_route_lines
;
325 rigidbody rb_geo
; /* todo.. ... */
328 VG_STATIC
struct world_global
331 * Allocated as system memory
332 * --------------------------------------------------------------------------
339 mdl_submesh sm_gate_surface
,
342 double sky_time
, sky_rate
, sky_target_rate
;
344 u32 current_run_version
;
345 double time
, rewind_from
, rewind_to
, last_use
;
347 /* water rendering */
350 struct framebuffer fbreflect
, fbdepth
;
354 /* split flap display */
357 glmesh mesh_base
, mesh_display
;
359 u32 active_route_board
;
369 int switching_to_new_world
;
371 world_instance worlds
[4];
377 VG_STATIC world_instance
*get_active_world( void )
379 return &world_global
.worlds
[ world_global
.active_world
];
387 int ray_hit_is_ramp( world_instance
*world
, ray_hit
*hit
);
390 struct world_surface
*ray_hit_surface( world_instance
*world
, ray_hit
*hit
);
393 void ray_world_get_tri( world_instance
*world
, ray_hit
*hit
, v3f tri
[3] );
396 int ray_world( world_instance
*world
, v3f pos
, v3f dir
, ray_hit
*hit
);
402 #include "world_routes.h"
403 #include "world_sfd.h"
404 #include "world_render.h"
405 #include "world_water.h"
406 #include "world_volumes.h"
407 #include "world_gen.h"
408 #include "world_gate.h"
411 * -----------------------------------------------------------------------------
413 * -----------------------------------------------------------------------------
416 VG_STATIC
int world_stop_sound( int argc
, const char *argv
[] )
418 world_instance
*world
= get_active_world();
422 VG_STATIC
void world_init(void)
424 world_global
.sky_rate
= 1.0;
425 world_global
.sky_target_rate
= 1.0;
427 shader_scene_standard_register();
428 shader_scene_standard_alphatest_register();
429 shader_scene_vertex_blend_register();
430 shader_scene_terrain_register();
431 shader_scene_depth_register();
432 shader_scene_position_register();
434 shader_model_sky_register();
436 vg_info( "Loading world resources\n" );
438 vg_linear_clear( vg_mem
.scratch
);
441 mdl_open( &msky
, "models/rs_skydome.mdl", vg_mem
.scratch
);
442 mdl_load_metadata_block( &msky
, vg_mem
.scratch
);
443 mdl_load_mesh_block( &msky
, vg_mem
.scratch
);
446 vg_acquire_thread_sync();
448 mdl_unpack_glmesh( &msky
, &world_global
.skydome
);
450 vg_release_thread_sync();
453 vg_info( "Loading other world systems\n" );
455 vg_loader_step( world_render_init
, NULL
);
456 vg_loader_step( world_sfd_init
, NULL
);
457 vg_loader_step( world_water_init
, NULL
);
458 vg_loader_step( world_gates_init
, NULL
);
459 vg_loader_step( world_routes_init
, NULL
);
461 /* Allocate dynamic world memory arena */
462 u32 max_size
= 76*1024*1024;
463 world_global
.generic_heap
= vg_create_linear_allocator( vg_mem
.rtmemory
,
468 VG_STATIC
void world_update( world_instance
*world
, v3f pos
)
471 static double g_time
= 0.0;
472 g_time
+= vg
.time_delta
* (1.0/(k_day_length
*60.0));
475 struct ub_world_lighting
*state
= &world
->ub_lighting
;
477 state
->g_time
= g_time
;
478 state
->g_realtime
= vg
.time
;
479 state
->g_debug_indices
= k_debug_light_indices
;
480 state
->g_light_preview
= k_light_preview
;
481 state
->g_debug_complexity
= k_debug_light_complexity
;
483 state
->g_time_of_day
= vg_fractf( g_time
);
484 state
->g_day_phase
= cosf( state
->g_time_of_day
* VG_PIf
* 2.0f
);
485 state
->g_sunset_phase
= cosf( state
->g_time_of_day
* VG_PIf
* 4.0f
+ VG_PIf
);
487 state
->g_day_phase
= state
->g_day_phase
* 0.5f
+ 0.5f
;
488 state
->g_sunset_phase
= powf( state
->g_sunset_phase
* 0.5f
+ 0.5f
, 6.0f
);
490 float a
= state
->g_time_of_day
* VG_PIf
* 2.0f
;
491 state
->g_sun_dir
[0] = sinf( a
);
492 state
->g_sun_dir
[1] = cosf( a
);
493 state
->g_sun_dir
[2] = 0.2f
;
494 v3_normalize( state
->g_sun_dir
);
498 glBindBuffer( GL_UNIFORM_BUFFER
, world
->ubo_lighting
);
499 glBufferSubData( GL_UNIFORM_BUFFER
, 0,
500 sizeof(struct ub_world_lighting
), &world
->ub_lighting
);
503 world_global
.sky_time
+= world_global
.sky_rate
* vg
.time_delta
;
504 world_global
.sky_rate
= vg_lerp( world_global
.sky_rate
,
505 world_global
.sky_target_rate
,
506 vg
.time_delta
* 5.0 );
508 world_routes_update( world
);
509 world_routes_debug( world
);
511 /* ---- SFD ------------ */
513 if( mdl_arrcount( &world
->ent_route
) ){
515 float min_dist
= INFINITY
;
517 for( u32 i
=0; i
<mdl_arrcount( &world
->ent_route
); i
++ ){
518 ent_route
*route
= mdl_arritm( &world
->ent_route
, i
);
519 float dist
= v3_dist2( route
->board_transform
[3], pos
);
521 if( dist
< min_dist
){
527 if( (world_global
.sfd
.active_route_board
!= closest
)
528 || network_scores_updated
)
530 network_scores_updated
= 0;
531 world_global
.sfd
.active_route_board
= closest
;
533 ent_route
*route
= mdl_arritm( &world
->ent_route
, closest
);
534 u32 id
= route
->official_track_id
;
536 if( id
!= 0xffffffff ){
537 struct netmsg_board
*local_board
=
538 &scoreboard_client_data
.boards
[id
];
540 for( int i
=0; i
<13; i
++ ){
541 sfd_encode( i
, &local_board
->data
[27*i
] );
544 sfd_encode( 0, mdl_pstr( &world
->meta
, route
->pstr_name
) );
545 sfd_encode( 1, "No data" );
554 static float random_accum
= 0.0f
;
555 random_accum
+= vg
.time_delta
;
557 u32 random_ticks
= 0;
559 while( random_accum
> 0.1f
){
560 random_accum
-= 0.1f
;
564 float radius
= 25.0f
;
565 boxf volume_proximity
;
566 v3_add( pos
, (v3f
){ radius
, radius
, radius
}, volume_proximity
[1] );
567 v3_sub( pos
, (v3f
){ radius
, radius
, radius
}, volume_proximity
[0] );
570 bh_iter_init( 0, &it
);
575 while( bh_next( world
->volume_bh
, &it
, volume_proximity
, &idx
) )
577 struct world_volume
*zone
= &world
->volumes
[idx
];
579 if( zone
->node
->classtype
== k_classtype_volume_audio
)
581 vg_line_boxf_transformed( zone
->transform
, (boxf
){{-1.0f
,-1.0f
,-1.0f
},
582 { 1.0f
, 1.0f
, 1.0f
}},
585 for( int j
=0; j
<random_ticks
; j
++ )
588 packet
.location
= zone
->target_logic_brick
;
591 packet
.type
= k_mdl_128bit_datatype_vec3
;
592 packet
.data
._v4f
[0] = vg_randf()*2.0f
-1.0f
;
593 packet
.data
._v4f
[1] = vg_randf()*2.0f
-1.0f
;
594 packet
.data
._v4f
[2] = vg_randf()*2.0f
-1.0f
;
595 m4x3_mulv( zone
->transform
, packet
.data
._v4f
, packet
.data
._v4f
);
597 logic_bricks_send_packet( world
, &packet
);
604 m4x3_mulv( zone
->inv_transform
, pos
, local
);
606 if( (fabsf(local
[0]) <= 1.0f
) &&
607 (fabsf(local
[1]) <= 1.0f
) &&
608 (fabsf(local
[2]) <= 1.0f
) )
612 if( !world_global
.in_volume
)
616 packet
.location
= zone
->target_logic_brick
;
619 packet
.type
= k_mdl_128bit_datatype_vec3
;
620 v3_copy( pos
, packet
.data
._v4f
);
622 logic_bricks_send_packet( world
, &packet
);
626 vg_line_boxf_transformed( zone
->transform
, (boxf
){{-1.0f
,-1.0f
,-1.0f
},
627 { 1.0f
, 1.0f
, 1.0f
}},
632 vg_line_boxf_transformed( zone
->transform
, (boxf
){{-1.0f
,-1.0f
,-1.0f
},
633 { 1.0f
, 1.0f
, 1.0f
}},
640 if( k_debug_light_indices
)
642 for( int i
=0; i
<world
->light_count
; i
++ ){
643 struct world_light
*light
= &world
->lights
[i
];
644 struct classtype_world_light
*inf
= light
->inf
;
646 u32 colour
= 0xff000000;
647 u8 r
= inf
->colour
[0] * 255.0f
,
648 g
= inf
->colour
[1] * 255.0f
,
649 b
= inf
->colour
[2] * 255.0f
;
655 vg_line_pt3( light
->node
->co
, 0.25f
, colour
);
659 world_global
.in_volume
= in_volume
;
664 /* process soundscape transactions */
666 for( int i
=0; i
<world
->soundscape_count
; i
++ )
668 struct soundscape
*s
= &world
->soundscapes
[i
];
671 for( int j
=0; j
<s
->max_instances
; j
++ )
675 if( audio_channel_finished(s
->channels
[j
]) )
676 s
->channels
[j
] = audio_relinquish_channel( s
->channels
[j
] );
687 * -----------------------------------------------------------------------------
689 * -----------------------------------------------------------------------------
692 VG_STATIC
void ray_world_get_tri( world_instance
*world
,
693 ray_hit
*hit
, v3f tri
[3] )
695 for( int i
=0; i
<3; i
++ )
696 v3_copy( world
->scene_geo
->arrvertices
[ hit
->tri
[i
] ].co
, tri
[i
] );
699 VG_STATIC
int ray_world( world_instance
*world
,
700 v3f pos
, v3f dir
, ray_hit
*hit
)
702 return scene_raycast( world
->scene_geo
, world
->geo_bh
, pos
, dir
, hit
);
706 * Cast a sphere from a to b and see what time it hits
708 VG_STATIC
int spherecast_world( world_instance
*world
,
709 v3f pa
, v3f pb
, float r
, float *t
, v3f n
)
712 bh_iter_init( 0, &it
);
715 box_init_inf( region
);
716 box_addpt( region
, pa
);
717 box_addpt( region
, pb
);
719 v3_add( (v3f
){ r
, r
, r
}, region
[1], region
[1] );
720 v3_add( (v3f
){-r
,-r
,-r
}, region
[0], region
[0] );
723 v3_sub( pb
, pa
, dir
);
726 dir_inv
[0] = 1.0f
/dir
[0];
727 dir_inv
[1] = 1.0f
/dir
[1];
728 dir_inv
[2] = 1.0f
/dir
[2];
734 while( bh_next( world
->geo_bh
, &it
, region
, &idx
) )
736 u32
*ptri
= &world
->scene_geo
->arrindices
[ idx
*3 ];
742 for( int j
=0; j
<3; j
++ )
744 v3_copy( world
->scene_geo
->arrvertices
[ptri
[j
]].co
, tri
[j
] );
745 box_addpt( box
, tri
[j
] );
748 v3_add( (v3f
){ r
, r
, r
}, box
[1], box
[1] );
749 v3_add( (v3f
){-r
,-r
,-r
}, box
[0], box
[0] );
751 if( !ray_aabb1( box
, pa
, dir_inv
, 1.0f
) )
756 if( spherecast_triangle( tri
, pa
, dir
, r
, &t
, n1
) )
772 struct world_surface
*world_tri_index_surface( world_instance
*world
,
775 for( int i
=1; i
<world
->surface_count
; i
++ )
777 struct world_surface
*mat
= &world
->surfaces
[i
];
779 if( (index
>= mat
->sm_geo
.vertex_start
) &&
780 (index
< mat
->sm_geo
.vertex_start
+mat
->sm_geo
.vertex_count
) )
787 return &world
->surfaces
[0];
790 VG_STATIC
struct world_surface
*world_contact_surface( world_instance
*world
,
793 return world_tri_index_surface( world
, ct
->element_id
);
796 VG_STATIC
struct world_surface
*ray_hit_surface( world_instance
*world
,
799 return world_tri_index_surface( world
, hit
->tri
[0] );