X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=world.h;h=010364ce7b7b0c25e87f1fcf6bf8c6d02619a305;hb=a99e5f5d5c16a3e865796a96ad648e3c570d32ac;hp=bf81595c296de4c02ac6c967f6b56c49ebd42b3e;hpb=a98ce96041b248580c0447bf87d4c6106483cade;p=carveJwlIkooP6JGAAIwe30JlM.git diff --git a/world.h b/world.h index bf81595..010364c 100644 --- a/world.h +++ b/world.h @@ -4,11 +4,11 @@ #include "common.h" -static int ray_world( v3f pos, v3f dir, ray_hit *hit ); - #ifndef WORLD_H #define WORLD_H +typedef struct world_instance world_instance; + #include "vg/vg_loader.h" #include "network.h" @@ -18,220 +18,338 @@ static int ray_world( v3f pos, v3f dir, ray_hit *hit ); #include "rigidbody.h" #include "bvh.h" #include "model.h" +#include "entity.h" +#include "font.h" -#include "traffic.h" /*TODO: -> world_traffic.h */ +#include "shaders/scene_standard.h" +#include "shaders/scene_standard_alphatest.h" +#include "shaders/scene_vertex_blend.h" +#include "shaders/scene_terrain.h" +#include "shaders/scene_depth.h" +#include "shaders/scene_position.h" -#include "shaders/terrain.h" -#include "shaders/sky.h" -#include "shaders/planeinf.h" -#include "shaders/standard.h" -#include "shaders/vblend.h" -#include "shaders/gpos.h" -#include "shaders/fscolour.h" -#include "shaders/alphatest.h" +#include "shaders/model_sky.h" enum { k_max_ui_segments = 8 }; -enum { k_max_ui_splits_per_segment = 16 }; -enum { k_max_ui_elements = k_max_ui_segments*k_max_ui_splits_per_segment }; +enum { k_max_ui_elements = k_max_ui_segments }; enum { k_max_element_verts = 10 }; enum { k_max_element_indices = 20 }; enum { k_route_ui_max_verts = k_max_ui_elements*k_max_element_verts }; enum { k_route_ui_max_indices = k_max_ui_elements*k_max_element_indices }; -static struct gworld +enum logic_type { - struct subworld_gen - { - - } - subworld_gen; + k_logic_type_relay = 1, + k_logic_type_chance = 2, + k_logic_type_achievement = 3 +}; - /* gameplay */ - struct respawn_point - { - v3f co; - v4f q; - char name[32]; +enum geo_type +{ + k_geo_type_solid = 0, + k_geo_type_nonsolid = 1, + k_geo_type_water = 2 +}; + +static const float k_light_cube_size = 8.0f; + +struct world_instance { + /* Fixed items + * ------------------------------------------------------- + */ + + void *heap; + char world_name[ 64 ]; + enum world_status{ + k_world_status_unloaded = 0, + k_world_status_loading = 1, + k_world_status_loaded = 2 } - spawns[32]; - u32 spawn_count; + status; - struct subworld_routes - { - struct route_node - { - v3f co, right, up, h; - u32 next[2]; + struct{ + boxf depthbounds; + int depth_computed; - u32 special_type, special_id, current_refs, ref_count; - u32 route_ids[4]; /* Gates can be linked into up to four routes */ - } - *nodes; + float height; + int enabled; + v4f plane; + } + water; + + /* STD140 */ + struct ub_world_lighting{ + v4f g_cube_min, + g_cube_inv_range; + + v4f g_water_plane, + g_depth_bounds; + + v4f g_daysky_colour; + v4f g_nightsky_colour; + v4f g_sunset_colour; + v4f g_ambient_colour; + v4f g_sunset_ambient; + v4f g_sun_colour; + v4f g_sun_dir; + v4f g_board_0; + v4f g_board_1; + + float g_water_fog; + float g_time; + float g_realtime; + float g_shadow_length; + float g_shadow_spread; + + float g_time_of_day; + float g_day_phase; + float g_sunset_phase; + + int g_light_preview; + int g_shadow_samples; + + int g_debug_indices; + int g_debug_complexity; + } + ub_lighting; + GLuint ubo_lighting; + int ubo_bind_point; + + GLuint tbo_light_entities, + tex_light_entities, + tex_light_cubes; + + float probabilities[3]; + + v3i light_cubes; + + struct framebuffer heightmap; + + /* + * Dynamically allocated when world_load is called. + * + * the following arrays index somewhere into this linear + * allocator + * + * (world_gen.h) + * -------------------------------------------------------------------------- + */ + + /* + * Main world .mdl + */ + mdl_context meta; + + GLuint *textures; + u32 texture_count; + + struct world_surface{ + mdl_material info; + mdl_submesh sm_geo, + sm_no_collide; + } + * surfaces; + u32 surface_count; + + mdl_array_ptr ent_spawn, + ent_gate, + ent_light, + ent_route_node, + ent_path_index, + ent_checkpoint, + ent_route, + ent_water, + + ent_audio_clip, + ent_audio, + ent_volume, + ent_traffic, + ent_skateshop, + ent_marker, + ent_camera, + ent_swspreview; + + ent_gate *rendering_gate; + + /* logic + * ---------------------------------------------------- + */ + + /* world geometry */ + scene_context scene_geo, + scene_no_collide, + scene_lines; + + /* spacial mappings */ + bh_tree *audio_bh, + *volume_bh, + *geo_bh; + + /* graphics */ + glmesh mesh_route_lines; + glmesh mesh_geo, + mesh_no_collide, + mesh_water; + + rb_object rb_geo; +}; + +struct world_global{ + /* + * Allocated as system memory + * -------------------------------------------------------------------------- + */ + void *heap; + + /* rendering */ + glmesh skydome; + glmesh mesh_gate; + mdl_submesh sm_gate_surface, + sm_gate_marker[4]; + + double sky_time, sky_rate, sky_target_rate; + + u32 current_run_version; + double time, rewind_from, rewind_to, last_use; + + /* water rendering */ + struct{ + struct framebuffer fbreflect, fbdepth; + } + water; - u32 node_count, - node_cap; + /* split flap display */ + struct{ + glmesh mesh_base, mesh_display; + mdl_submesh sm_base; + u32 active_route_board; + scene_context scene; - struct route - { - u32 track_id; - v4f colour; + u32 w, h; + float *buffer; + } + sfd; - u32 start; - mdl_submesh sm; - - int active; - float factive; + v3f render_gate_pos; + int in_volume; - double best_lap, latest_pass; /* Session */ + int switching_to_new_world; - struct - { - GLuint vao, vbo, ebo; + world_instance worlds[4]; + u32 world_count; + u32 active_world; - u32 indices_head; - u32 vertex_head; + /* text particles */ + font3d font; - float last_notch; + struct timer_text{ + char text[8]; + m4x3f transform; + ent_gate *gate; + ent_route *route; + } + timer_texts[4]; + u32 timer_text_count; - struct route_ui_segment - { - float length; - u32 vertex_start, vertex_count, - index_start, index_count, notches; - } - segments[k_max_ui_segments]; + struct text_particle{ + rb_object obj; + m4x3f mlocal; + ent_glyph *glyph; + v4f colour; - u32 segment_start, segment_count, fade_start, fade_count; - double fade_timer_start; - float xpos; - } - ui; + m4x3f mdl; + } + text_particles[6*4]; + u32 text_particle_count; +} +static world_global; - m4x3f scoreboard_transform; - } - *routes; +VG_STATIC world_instance *get_active_world( void ) +{ + return &world_global.worlds[ world_global.active_world ]; +} - double last_interaction; +/* + * API + */ - u32 route_count, - route_cap; +VG_STATIC +int ray_hit_is_ramp( world_instance *world, ray_hit *hit ); - struct route_gate - { - struct teleport_gate - { - v3f co[2]; - v4f q[2]; - v2f dims; - - m4x3f to_world, recv_to_world, transport; - } - gate; - - u32 node_id; - - struct route_timing - { - u32 version; /* Incremented on every teleport */ - double time; - } - timing; - } - *gates; +VG_STATIC +struct world_surface *ray_hit_surface( world_instance *world, ray_hit *hit ); - struct route_collector - { - struct route_timing timing; - } - *collectors; +VG_STATIC +void ray_world_get_tri( world_instance *world, ray_hit *hit, v3f tri[3] ); - u32 gate_count, - gate_cap, - collector_count, - collector_cap; +VG_STATIC +int ray_world( world_instance *world, v3f pos, v3f dir, ray_hit *hit ); - u32 active_gate, - current_run_version; +VG_STATIC +ent_spawn *world_find_closest_spawn( world_instance *world, v3f position ) +{ + ent_spawn *rp = NULL, *r; + float min_dist = INFINITY; - scene scene_lines; + for( u32 i=0; ient_spawn); i++ ){ + r = mdl_arritm( &world->ent_spawn, i ); + float d = v3_dist2( r->transform.co, position ); + + if( d < min_dist ){ + min_dist = d; + rp = r; + } } - routes; - - struct subworld_sfd - { - scene mesh; - mdl_submesh *sm_module, *sm_card; - glmesh temp; - - struct sfd_instance - { - float *buffer; - u32 w,h; - } - tester; + if( !rp ){ + if( mdl_arrcount(&world->ent_spawn) ){ + vg_warn( "Invalid distances to spawns.. defaulting to first one.\n" ); + return mdl_arritm( &world->ent_spawn, 0 ); + } + else{ + vg_error( "There are no spawns in the level!\n" ); + } } - sfd; - - /* Paths */ - traffic_node traffic[128]; - u32 traffic_count; - -#if 0 - traffic_driver van_man[6]; -#endif - - /* Physics */ - - /* Rendering & geometry */ - scene geo, foliage; - rigidbody rb_geo; - - /* TODO Maybe make this less hardcoded */ - mdl_submesh sm_geo_std_oob, sm_geo_std, sm_geo_vb, - sm_foliage_main, sm_foliage_alphatest, - sm_graffiti, sm_subworld, sm_terrain; - - glmesh skybox, skydome; - mdl_submesh dome_upper, dome_lower; - glmesh cars; - mdl_submesh car_holden; - - /* Load time */ + return rp; +} - struct instance_cache - { - mdl_header *mdl; - u32 pstr_file; +VG_STATIC +ent_spawn *world_find_spawn_by_name( world_instance *world, const char *name ) +{ + ent_spawn *rp = NULL, *r; + for( u32 i=0; ient_spawn); i++ ){ + r = mdl_arritm( &world->ent_spawn, i ); + if( !strcmp( mdl_pstr(&world->meta, r->pstr_name), name ) ){ + rp = r; + break; + } } - * instance_cache; - u32 instance_cache_count, - instance_cache_cap; - v3f render_gate_pos; - int active_route_board; + if( !rp ) + vg_warn( "No spawn named '%s'\n", name ); + + return rp; } -world; /* - * API + * Submodules */ -static int ray_hit_is_ramp( ray_hit *hit ); -static int ray_hit_is_terrain( ray_hit *hit ); -static void ray_world_get_tri( ray_hit *hit, v3f tri[3] ); -static int ray_world( v3f pos, v3f dir, ray_hit *hit ); +VG_STATIC float + k_day_length = 30.0f; /* minutes */ + +VG_STATIC int k_debug_light_indices = 0, + k_debug_light_complexity = 0, + k_light_preview = 0; -/* - * Submodules - */ #include "world_routes.h" #include "world_sfd.h" #include "world_render.h" #include "world_water.h" +#include "world_volumes.h" #include "world_gen.h" #include "world_gate.h" @@ -241,98 +359,365 @@ static int ray_world( v3f pos, v3f dir, ray_hit *hit ); * ----------------------------------------------------------------------------- */ -static void world_init(void) +VG_STATIC int world_stop_sound( int argc, const char *argv[] ) { - shader_terrain_register(); - shader_sky_register(); - shader_planeinf_register(); - shader_gpos_register(); - shader_fscolour_register(); - shader_alphatest_register(); + world_instance *world = get_active_world(); + return 0; +} - vg_info( "Loading world resources\n" ); +VG_STATIC void world_init(void) +{ + VG_VAR_F32( k_day_length ); + VG_VAR_I32( k_debug_light_indices ); + VG_VAR_I32( k_debug_light_complexity ); + VG_VAR_I32( k_light_preview ); - VG_REQUIRED_ASSET( mdl_header*, mcars, mdl_load, "models/rs_cars.mdl" ); - VG_REQUIRED_ASSET( mdl_header*, msky, mdl_load, "models/rs_skydome.mdl" ); + world_global.sky_rate = 1.0; + world_global.sky_target_rate = 1.0; - mdl_node *nholden = mdl_node_from_name( mcars, "holden" ); - world.car_holden = *mdl_node_submesh( mcars, nholden, 0 ); + shader_scene_standard_register(); + shader_scene_standard_alphatest_register(); + shader_scene_vertex_blend_register(); + shader_scene_terrain_register(); + shader_scene_depth_register(); + shader_scene_position_register(); - mdl_node *nlower = mdl_node_from_name( msky, "dome_lower" ), - *nupper = mdl_node_from_name( msky, "dome_upper" ); - - world.dome_lower = *mdl_node_submesh( msky, nlower, 0 ); - world.dome_upper = *mdl_node_submesh( msky, nupper, 0 ); + shader_model_sky_register(); - vg_acquire_thread_sync(); - { - mdl_unpack_glmesh( mcars, &world.cars ); - mdl_unpack_glmesh( msky, &world.skydome ); - } - vg_release_thread_sync(); + vg_info( "Loading world resources\n" ); + + vg_linear_clear( vg_mem.scratch ); - vg_free(mcars); - vg_free(msky); + mdl_context msky; + mdl_open( &msky, "models/rs_skydome.mdl", vg_mem.scratch ); + mdl_load_metadata_block( &msky, vg_mem.scratch ); + mdl_async_load_glmesh( &msky, &world_global.skydome ); + mdl_close( &msky ); /* Other systems */ vg_info( "Loading other world systems\n" ); - vg_loader_highwater( world_render_init, world_render_free, NULL ); - vg_loader_highwater( world_sfd_init, world_sfd_free, NULL ); - vg_loader_highwater( world_water_init, world_water_free, NULL ); - vg_loader_highwater( world_gates_init, world_gates_free, NULL ); - vg_loader_highwater( world_routes_init, world_routes_free, NULL ); + vg_loader_step( world_render_init, NULL ); + vg_loader_step( world_sfd_init, NULL ); + vg_loader_step( world_water_init, NULL ); + vg_loader_step( world_gates_init, NULL ); + vg_loader_step( world_routes_init, NULL ); + + /* Allocate dynamic world memory arena */ + u32 max_size = 76*1024*1024; + world_global.heap = vg_create_linear_allocator( vg_mem.rtmemory, max_size, + VG_MEMORY_SYSTEM ); } -static void world_free( void *_ ) +VG_STATIC void ent_volume_call( world_instance *world, ent_call *call ) { - mesh_free( &world.cars ); - mesh_free( &world.skydome ); + u32 index = mdl_entity_id_id( call->id ); + ent_volume *volume = mdl_arritm( &world->ent_volume, index ); + if( !volume->target ) return; + + if( call->function == k_ent_function_trigger ){ + call->id = volume->target; + + if( volume->type == k_volume_subtype_particle ){ + float *co = alloca( sizeof(float)*3 ); + co[0] = vg_randf()*2.0f-1.0f; + co[1] = vg_randf()*2.0f-1.0f; + co[2] = vg_randf()*2.0f-1.0f; + m4x3_mulv( volume->to_world, co, co ); + + call->function = k_ent_function_particle_spawn; + call->data = co; + entity_call( world, call ); + } + else{ + entity_call( world, call ); + } + } } -static void world_update( v3f pos ) +VG_STATIC void ent_audio_call( world_instance *world, ent_call *call ) { - world_routes_update(); -#if 0 - world_routes_debug(); -#endif + u32 index = mdl_entity_id_id( call->id ); + ent_audio *audio = mdl_arritm( &world->ent_audio, index ); + + v3f sound_co; + + if( call->function == k_ent_function_particle_spawn ){ + v3_copy( call->data, sound_co ); + } + else if( call->function == k_ent_function_trigger ){ + v3_copy( audio->transform.co, sound_co ); + } + else + vg_fatal_error( "ent_audio_call (invalid function id)" ); + + float chance = vg_randf()*100.0f, + bar = 0.0f; + + for( u32 i=0; iclip_count; i++ ){ + ent_audio_clip *clip = mdl_arritm( &world->ent_audio_clip, + audio->clip_start+i ); + + float mod = world->probabilities[ audio->probability_curve ], + p = clip->probability * mod; + + bar += p; + + if( chance < bar ){ + + audio_lock(); + + if( audio->behaviour == k_channel_behaviour_unlimited ){ + audio_oneshot_3d( &clip->clip, sound_co, + audio->transform.s[0], + audio->volume ); + } + else if( audio->behaviour == k_channel_behaviour_discard_if_full ){ + audio_channel *ch = + audio_get_group_idle_channel( audio->group, + audio->max_channels ); + + if( ch ){ + audio_channel_init( ch, &clip->clip, audio->flags ); + audio_channel_group( ch, audio->group ); + audio_channel_set_spacial( ch, sound_co, audio->transform.s[0] ); + audio_channel_edit_volume( ch, audio->volume, 1 ); + ch = audio_relinquish_channel( ch ); + } + } + else if( audio->behaviour == k_channel_behaviour_crossfade_if_full){ + audio_channel *ch = + audio_get_group_idle_channel( audio->group, + audio->max_channels ); + + /* group is full */ + if( !ch ){ + audio_channel *existing = + audio_get_group_first_active_channel( audio->group ); + + if( existing ){ + if( existing->source == &clip->clip ){ + audio_unlock(); + return; + } + + existing->group = 0; + existing = audio_channel_fadeout(existing, audio->crossfade); + } + + ch = audio_get_first_idle_channel(); + } + + if( ch ){ + audio_channel_init( ch, &clip->clip, audio->flags ); + audio_channel_group( ch, audio->group ); + audio_channel_fadein( ch, audio->crossfade ); + ch = audio_relinquish_channel( ch ); + } + } + + audio_unlock(); + return; + } + } +} + +VG_STATIC void world_update( world_instance *world, v3f pos ) +{ + world_global.sky_time += world_global.sky_rate * vg.time_delta; + world_global.sky_rate = vg_lerp( world_global.sky_rate, + world_global.sky_target_rate, + vg.time_delta * 5.0 ); + + world_routes_update_timer_texts( world ); + world_routes_update( world ); + //world_routes_debug( world ); - int closest = 0; - float min_dist = INFINITY; + /* ---- traffic -------- */ - for( int i=0; ient_traffic ); i++ ){ + ent_traffic *traffic = mdl_arritm( &world->ent_traffic, i ); + + u32 i1 = traffic->index, + i0, + i2 = i1+1; - if( d < min_dist ) - { - min_dist = d; - closest = i; + if( i1 == 0 ) i0 = traffic->node_count-1; + else i0 = i1-1; + + if( i2 >= traffic->node_count ) i2 = 0; + + i0 += traffic->start_node; + i1 += traffic->start_node; + i2 += traffic->start_node; + + v3f h[3]; + + ent_route_node *rn0 = mdl_arritm( &world->ent_route_node, i0 ), + *rn1 = mdl_arritm( &world->ent_route_node, i1 ), + *rn2 = mdl_arritm( &world->ent_route_node, i2 ); + + v3_copy( rn1->co, h[1] ); + v3_lerp( rn0->co, rn1->co, 0.5f, h[0] ); + v3_lerp( rn1->co, rn2->co, 0.5f, h[2] ); + + float const k_sample_dist = 0.0025f; + v3f pc, pd; + eval_bezier3( h[0], h[1], h[2], traffic->t, pc ); + eval_bezier3( h[0], h[1], h[2], traffic->t+k_sample_dist, pd ); + + v3f v0; + v3_sub( pd, pc, v0 ); + float length = vg_maxf( 0.0001f, v3_length( v0 ) ); + v3_muls( v0, 1.0f/length, v0 ); + + float mod = k_sample_dist / length; + + traffic->t += traffic->speed * vg.time_delta * mod; + + if( traffic->t > 1.0f ){ + traffic->t -= 1.0f; + + if( traffic->t > 1.0f ) traffic->t = 0.0f; + + traffic->index ++; + + if( traffic->index >= traffic->node_count ) + traffic->index = 0; } + + v3_copy( pc, traffic->transform.co ); + + float a = atan2f( -v0[0], v0[2] ); + q_axis_angle( traffic->transform.q, (v3f){0.0f,1.0f,0.0f}, -a ); + + vg_line_pt3( traffic->transform.co, 0.3f, VG__BLUE ); } - if( (world.active_route_board != closest) || network_scores_updated ) - { - network_scores_updated = 0; - world.active_route_board = closest; - struct subworld_sfd *sfd = &world.sfd; + /* ---- SFD ------------ */ + + if( mdl_arrcount( &world->ent_route ) ){ + u32 closest = 0; + float min_dist = INFINITY; - struct route *route = &world.routes.routes[closest]; + for( u32 i=0; ient_route ); i++ ){ + ent_route *route = mdl_arritm( &world->ent_route, i ); + float dist = v3_dist2( route->board_transform[3], pos ); - u32 id = route->track_id; + if( dist < min_dist ){ + min_dist = dist; + closest = i; + } + } - if( id != 0xffffffff ) + if( (world_global.sfd.active_route_board != closest) + || network_scores_updated ) { - struct netmsg_board *local_board = &scoreboard_client_data.boards[id]; + network_scores_updated = 0; + world_global.sfd.active_route_board = closest; + + ent_route *route = mdl_arritm( &world->ent_route, closest ); + u32 id = route->official_track_id; + + if( id != 0xffffffff ){ + struct netmsg_board *local_board = + &scoreboard_client_data.boards[id]; + + for( int i=0; i<13; i++ ){ + sfd_encode( i, &local_board->data[27*i] ); + } + }else{ + sfd_encode( 0, mdl_pstr( &world->meta, route->pstr_name ) ); + sfd_encode( 1, "No data" ); + } + } + } + sfd_update(); + + static float random_accum = 0.0f; + random_accum += vg.time_delta; + + u32 random_ticks = 0; + + while( random_accum > 0.1f ){ + random_accum -= 0.1f; + random_ticks ++; + } + + float radius = 25.0f; + boxf volume_proximity; + v3_add( pos, (v3f){ radius, radius, radius }, volume_proximity[1] ); + v3_sub( pos, (v3f){ radius, radius, radius }, volume_proximity[0] ); + + bh_iter it; + bh_iter_init( 0, &it ); + int idx; + + int in_volume = 0; - for( int i=0; i<13; i++ ) + while( bh_next( world->volume_bh, &it, volume_proximity, &idx ) ){ + ent_volume *volume = mdl_arritm( &world->ent_volume, idx ); + + boxf cube = {{-1.0f,-1.0f,-1.0f},{1.0f,1.0f,1.0f}}; + + if( volume->type == k_volume_subtype_trigger ){ + v3f local; + m4x3_mulv( volume->to_local, pos, local ); + + if( (fabsf(local[0]) <= 1.0f) && + (fabsf(local[1]) <= 1.0f) && + (fabsf(local[2]) <= 1.0f) ) { - sfd_encode( &sfd->tester, i, &local_board->data[27*i] ); + in_volume = 1; + vg_line_boxf_transformed( volume->to_world, cube, 0xff00ff00 ); + + if( !world_global.in_volume ){ + ent_call basecall; + basecall.function = k_ent_function_trigger; + basecall.id = mdl_entity_id( k_ent_volume, idx ); + basecall.data = NULL; + + entity_call( world, &basecall ); + } + } + else + vg_line_boxf_transformed( volume->to_world, cube, 0xff0000ff ); + } + else if( volume->type == k_volume_subtype_particle ){ + vg_line_boxf_transformed( volume->to_world, cube, 0xff00c0ff ); + + for( int j=0; jlight_count; i++ ){ + struct world_light *light = &world->lights[i]; + struct classtype_world_light *inf = light->inf; + + u32 colour = 0xff000000; + u8 r = inf->colour[0] * 255.0f, + g = inf->colour[1] * 255.0f, + b = inf->colour[2] * 255.0f; + + colour |= r; + colour |= g << 8; + colour |= b << 16; + + vg_line_pt3( light->node->co, 0.25f, colour ); + } + } + +#endif } /* @@ -341,33 +726,234 @@ static void world_update( v3f pos ) * ----------------------------------------------------------------------------- */ -static void ray_world_get_tri( ray_hit *hit, v3f tri[3] ) +VG_STATIC void ray_world_get_tri( world_instance *world, + ray_hit *hit, v3f tri[3] ) { for( int i=0; i<3; i++ ) - v3_copy( world.geo.verts[ hit->tri[i] ].co, tri[i] ); + v3_copy( world->scene_geo.arrvertices[ hit->tri[i] ].co, tri[i] ); } -static int ray_world( v3f pos, v3f dir, ray_hit *hit ) +VG_STATIC int ray_world( world_instance *world, + v3f pos, v3f dir, ray_hit *hit ) { - return scene_raycast( &world.geo, pos, dir, hit ); + return scene_raycast( &world->scene_geo, world->geo_bh, pos, dir, hit ); } -static int ray_hit_is_terrain( ray_hit *hit ) +/* + * Cast a sphere from a to b and see what time it hits + */ +VG_STATIC int spherecast_world( world_instance *world, + v3f pa, v3f pb, float r, float *t, v3f n ) { - u32 valid_start = 0, - valid_end = world.sm_terrain.vertex_count; + bh_iter it; + bh_iter_init( 0, &it ); + + boxf region; + box_init_inf( region ); + box_addpt( region, pa ); + box_addpt( region, pb ); + + v3_add( (v3f){ r, r, r}, region[1], region[1] ); + v3_add( (v3f){-r,-r,-r}, region[0], region[0] ); + + v3f dir; + v3_sub( pb, pa, dir ); + + v3f dir_inv; + dir_inv[0] = 1.0f/dir[0]; + dir_inv[1] = 1.0f/dir[1]; + dir_inv[2] = 1.0f/dir[2]; + + int hit = -1; + float min_t = 1.0f; + + int idx; + while( bh_next( world->geo_bh, &it, region, &idx ) ){ + u32 *ptri = &world->scene_geo.arrindices[ idx*3 ]; + v3f tri[3]; - return (hit->tri[0] >= valid_start) && - (hit->tri[0] < valid_end); + boxf box; + box_init_inf( box ); + + for( int j=0; j<3; j++ ){ + v3_copy( world->scene_geo.arrvertices[ptri[j]].co, tri[j] ); + box_addpt( box, tri[j] ); + } + + v3_add( (v3f){ r, r, r}, box[1], box[1] ); + v3_add( (v3f){-r,-r,-r}, box[0], box[0] ); + + if( !ray_aabb1( box, pa, dir_inv, 1.0f ) ) + continue; + + float t; + v3f n1; + if( spherecast_triangle( tri, pa, dir, r, &t, n1 ) ){ + if( t < min_t ){ + min_t = t; + hit = idx; + v3_copy( n1, n ); + } + } + } + + *t = min_t; + return hit; } -static int ray_hit_is_ramp( ray_hit *hit ) +VG_STATIC +struct world_surface *world_tri_index_surface( world_instance *world, + u32 index ) { - u32 valid_start = world.sm_geo_std.vertex_start, - valid_end = world.sm_geo_vb.vertex_start; + for( int i=1; isurface_count; i++ ){ + struct world_surface *surf = &world->surfaces[i]; + + if( (index >= surf->sm_geo.vertex_start) && + (index < surf->sm_geo.vertex_start+surf->sm_geo.vertex_count ) ) + { + return surf; + } + } + + return &world->surfaces[0]; +} + +VG_STATIC struct world_surface *world_contact_surface( world_instance *world, + rb_ct *ct ) +{ + return world_tri_index_surface( world, ct->element_id ); +} + +VG_STATIC struct world_surface *ray_hit_surface( world_instance *world, + ray_hit *hit ) +{ + return world_tri_index_surface( world, hit->tri[0] ); +} + +/* + * ----------------------------------------------------------------------------- + * Audio sampling + * ----------------------------------------------------------------------------- + */ + +VG_STATIC +enum audio_sprite_type world_audio_sample_sprite_random(v3f origin, v3f output); +VG_STATIC void world_audio_sample_distances( v3f co, int *index, float *value ); + +#include "audio.h" + +/* + * Trace out a random point, near the player to try and determine water areas + */ +VG_STATIC +enum audio_sprite_type world_audio_sample_sprite_random(v3f origin, v3f output) +{ + v3f chance = { (vg_randf()-0.5f) * 30.0f, + 8.0f, + (vg_randf()-0.5f) * 30.0f }; + + v3f pos; + v3_add( chance, origin, pos ); + + ray_hit contact; + contact.dist = vg_minf( 16.0f, pos[1] ); + + world_instance *world = get_active_world(); + + if( ray_world( world, pos, (v3f){0.0f,-1.0f,0.0f}, &contact ) ){ + struct world_surface *mat = ray_hit_surface( world, &contact ); + + if( mat->info.surface_prop == k_surface_prop_grass){ + v3_copy( contact.pos, output ); + return k_audio_sprite_type_grass; + } + else{ + return k_audio_sprite_type_none; + } + } + + output[0] = pos[0]; + output[1] = 0.0f; + output[2] = pos[2]; + + float dist = fabsf(output[1] - origin[1]); + + if( world->water.enabled && dist<=40.0f ) + return k_audio_sprite_type_water; + else + return k_audio_sprite_type_none; +} + +VG_STATIC void world_audio_sample_distances( v3f co, int *index, float *value ) +{ + float inr3 = 0.57735027, + inr2 = 0.70710678118; + + v3f sample_directions[] = { + { -1.0f, 0.0f, 0.0f }, + { 1.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 1.0f }, + { 0.0f, 0.0f, -1.0f }, + { 0.0f, 1.0f, 0.0f }, + { 0.0f, -1.0f, 0.0f }, + { -inr3, inr3, inr3 }, + { inr3, inr3, inr3 }, + { -inr3, inr3, -inr3 }, + { inr3, inr3, -inr3 }, + { -inr2, 0.0f, inr2 }, + { inr2, 0.0f, inr2 }, + { -inr2, 0.0f, -inr2 }, + { inr2, 0.0f, -inr2 }, + }; + + static int si = 0; + static float distances[16]; + + ray_hit ray; + ray.dist = 5.0f; + + v3f rc, rd, ro; + v3_copy( sample_directions[ si ], rd ); + v3_add( co, (v3f){0.0f,1.5f,0.0f}, ro ); + v3_copy( ro, rc ); + + float dist = 200.0f; + + for( int i=0; i<10; i++ ){ + if( ray_world( get_active_world(), rc, rd, &ray ) ){ + dist = (float)i*5.0f + ray.dist; + break; + } + else{ + v3_muladds( rc, rd, ray.dist, rc ); + } + } + + distances[si] = dist; + + if( vg_lines.draw ){ + for( int i=0; i<14; i++ ){ + if( distances[i] != 200.0f ){ + u32 colours[] = { VG__RED, VG__BLUE, VG__GREEN, + VG__CYAN, VG__YELOW, VG__PINK, + VG__WHITE }; + + u32 colour = colours[i%7]; + + v3f p1; + v3_muladds( ro, sample_directions[i], distances[i], p1 ); + vg_line( ro, p1, colour ); + vg_line_pt3( p1, 0.1f, colour ); + } + } + } + + *index = si; + *value = dist; - return (hit->tri[0] >= valid_start) && - (hit->tri[0] < valid_end); + si ++; + if( si >= 14 ) + si = 0; } #endif /* WORLD_H */