X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=world.h;h=809397151e854c64b4508ceaf139a8e0e1c40c88;hb=6b9993651343af73bd48e2213910bbaadb41edaf;hp=acfd462d4d2cb1e8746ee081d8ae1bec64fedf81;hpb=2e4531dfd7bd0d9a0776fda1a62653806d85eb3b;p=carveJwlIkooP6JGAAIwe30JlM.git diff --git a/world.h b/world.h index acfd462..8093971 100644 --- a/world.h +++ b/world.h @@ -18,6 +18,8 @@ typedef struct world_instance world_instance; #include "rigidbody.h" #include "bvh.h" #include "model.h" +#include "entity.h" +#include "font.h" #include "shaders/scene_standard.h" #include "shaders/scene_standard_alphatest.h" @@ -28,8 +30,6 @@ typedef struct world_instance world_instance; #include "shaders/model_sky.h" -typedef struct teleport_gate teleport_gate; - enum { k_max_ui_segments = 8 }; enum { k_max_ui_elements = k_max_ui_segments }; @@ -55,20 +55,21 @@ enum geo_type static const float k_light_cube_size = 8.0f; -struct world_instance -{ - /* This is a small flag we use to changelevel. - * It will not be cleared until all sounds stop playing - */ - +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 + } + status; - struct - { + struct{ boxf depthbounds; int depth_computed; @@ -79,8 +80,7 @@ struct world_instance water; /* STD140 */ - struct ub_world_lighting - { + struct ub_world_lighting{ v4f g_cube_min, g_cube_inv_range; @@ -94,9 +94,12 @@ struct world_instance 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; @@ -118,6 +121,8 @@ struct world_instance tex_light_entities, tex_light_cubes; + float probabilities[3]; + v3i light_cubes; struct framebuffer heightmap; @@ -131,170 +136,37 @@ struct world_instance * (world_gen.h) * -------------------------------------------------------------------------- */ - /* - * Main world .mdl - */ - mdl_context *meta; /* - * Materials / textures + * Main world .mdl */ + mdl_context meta; GLuint *textures; u32 texture_count; - struct world_material - { + struct world_surface{ mdl_material info; mdl_submesh sm_geo, sm_no_collide; } - * materials; - u32 material_count; - - /* - * Named safe places to respawn - */ - struct respawn_point - { - v3f co; - v4f q; - const char *name; - } - * spawns; - u32 spawn_count; - - /* - * Audio player entities - */ - struct world_audio_thing - { - v3f pos; - float volume, range; - u32 flags; - audio_clip temp_embedded_clip; - } - * audio_things; - u32 audio_things_count; - - struct soundscape - { - /* locking */ - audio_channel *channels[4]; - - /* accessable without locking */ - v3f spawn_position; - - u32 usage_count; - u32 max_instances; - u32 allow_transitions; - float transition_duration; - const char *label; - } - * soundscapes; - u32 soundscape_count; - - /* - * Box volume entities - */ - struct world_volume - { - m4x3f transform, inv_transform; - mdl_node *node; - } - * volumes; - u32 volume_count; - - /* - * Lights - */ - struct world_light - { - mdl_node *node; - struct classtype_world_light *inf; - m4x3f inverse_world; - v2f angle_sin_cos; - - /* enabled.. etc? - * TODO: we should order entities in the binary by their type */ - } - * lights; - u32 light_count; - - /* - * Routes (world_routes.h) - * -------------------------------------------------------------------------- - */ - struct route_node - { - v3f co, right, up, h; - u32 next[2]; - - u32 special_type, special_id, current_refs, ref_count; - u32 route_ids[4]; /* Gates can be linked into up to four routes */ - } - *nodes; - u32 node_count; - - struct route - { - u32 track_id; - v4f colour; - - u32 start; - mdl_submesh sm; - - int active; - float factive; - - double best_lap, latest_pass; /* Session */ - - m4x3f scoreboard_transform; - } - *routes; - u32 route_count; - - struct route_gate - { - struct teleport_gate - { - v3f co[2]; - v4f q[2]; - v2f dims; - - m4x3f to_world, transport; - } - gate; - - u32 node_id; - - struct route_timing - { - u32 version; /* Incremented on every teleport */ - double time; - } - timing; - } - *gates; - u32 gate_count; + * surfaces; + u32 surface_count; - struct nonlocal_gate - { - struct teleport_gate gate; - mdl_node *node; - - u32 target_map_index, working; - } - *nonlocal_gates; - u32 nonlocalgate_count; + mdl_array_ptr ent_spawn, + ent_gate, + ent_light, + ent_route_node, + ent_path_index, + ent_checkpoint, + ent_route, + ent_water, - struct route_collector - { - struct route_timing timing; - } - *collectors; - u32 collector_count; + ent_audio_clip, + ent_audio, + ent_volume; + ent_gate *rendering_gate; /* logic * ---------------------------------------------------- @@ -316,72 +188,45 @@ struct world_instance mesh_no_collide, mesh_water; - rigidbody rb_geo; /* todo.. ... */ + rb_object rb_geo; }; -VG_STATIC struct world_global -{ +struct world_global{ /* * Allocated as system memory * -------------------------------------------------------------------------- */ - void *generic_heap; + void *heap; /* rendering */ glmesh skydome; - mdl_submesh dome_upper, dome_lower; - - glmesh mesh_gate_surface; + glmesh mesh_gate; + mdl_submesh sm_gate_surface, + sm_gate_marker[4]; double sky_time, sky_rate, sky_target_rate; - /* gates, TODO: active_gate should also know which instance */ - u32 active_gate, - current_run_version; + u32 current_run_version; double time, rewind_from, rewind_to, last_use; /* water rendering */ - struct - { + struct{ struct framebuffer fbreflect, fbdepth; } water; /* split flap display */ - struct - { - mdl_submesh *sm_module, *sm_card; + struct{ glmesh mesh_base, mesh_display; + mdl_submesh sm_base; + u32 active_route_board; u32 w, h; float *buffer; } sfd; - /* timing bars, fixed maximum amount */ - struct route_ui_bar - { - GLuint vao, vbo, ebo; - - u32 indices_head; - u32 vertex_head; - - struct route_ui_segment - { - float length; - u32 vertex_start, vertex_count, - index_start, index_count, notches; - } - segments[k_max_ui_segments]; - - u32 segment_start, segment_count, fade_start, fade_count; - double fade_timer_start; - float xpos; - } - ui_bars[16]; - v3f render_gate_pos; - int active_route_board; int in_volume; int switching_to_new_world; @@ -389,8 +234,31 @@ VG_STATIC struct world_global world_instance worlds[4]; u32 world_count; u32 active_world; + + /* text particles */ + font3d font; + + struct timer_text{ + char text[8]; + m4x3f transform; + ent_gate *gate; + ent_route *route; + } + timer_texts[4]; + u32 timer_text_count; + + struct text_particle{ + rb_object obj; + m4x3f mlocal; + ent_glyph *glyph; + v4f colour; + + m4x3f mdl; + } + text_particles[6*4]; + u32 text_particle_count; } -world_global; +static world_global; VG_STATIC world_instance *get_active_world( void ) { @@ -405,7 +273,7 @@ VG_STATIC int ray_hit_is_ramp( world_instance *world, ray_hit *hit ); VG_STATIC -struct world_material *ray_hit_material( world_instance *world, ray_hit *hit ); +struct world_surface *ray_hit_surface( world_instance *world, ray_hit *hit ); VG_STATIC void ray_world_get_tri( world_instance *world, ray_hit *hit, v3f tri[3] ); @@ -413,10 +281,64 @@ void ray_world_get_tri( world_instance *world, ray_hit *hit, v3f tri[3] ); VG_STATIC int ray_world( world_instance *world, v3f pos, v3f dir, ray_hit *hit ); +VG_STATIC +ent_spawn *world_find_closest_spawn( world_instance *world, v3f position ) +{ + ent_spawn *rp = NULL, *r; + float min_dist = INFINITY; + + 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; + } + } + + 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" ); + } + } + + return rp; +} + +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; + } + } + + if( !rp ) + vg_warn( "No spawn named '%s'\n", name ); + + return rp; +} + /* * Submodules */ +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; + #include "world_routes.h" #include "world_sfd.h" #include "world_render.h" @@ -439,6 +361,11 @@ VG_STATIC int world_stop_sound( int argc, const char *argv[] ) 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 ); + world_global.sky_rate = 1.0; world_global.sky_target_rate = 1.0; @@ -454,14 +381,16 @@ VG_STATIC void world_init(void) vg_info( "Loading world resources\n" ); vg_linear_clear( vg_mem.scratch ); - mdl_context *msky = mdl_load_full( vg_mem.scratch, "models/rs_skydome.mdl" ); - mdl_node *nupper = mdl_node_from_name( msky, "dome_complete" ); - world_global.dome_upper = *mdl_node_submesh( msky, nupper, 0 ); + mdl_context msky; + mdl_open( &msky, "models/rs_skydome.mdl", vg_mem.scratch ); + mdl_load_metadata_block( &msky, vg_mem.scratch ); + mdl_load_mesh_block( &msky, vg_mem.scratch ); + mdl_close( &msky ); vg_acquire_thread_sync(); { - mdl_unpack_glmesh( msky, &world_global.skydome ); + mdl_unpack_glmesh( &msky, &world_global.skydome ); } vg_release_thread_sync(); @@ -476,103 +405,195 @@ VG_STATIC void world_init(void) /* Allocate dynamic world memory arena */ u32 max_size = 76*1024*1024; - world_global.generic_heap = vg_create_linear_allocator( vg_mem.rtmemory, - max_size, - VG_MEMORY_SYSTEM ); + world_global.heap = vg_create_linear_allocator( vg_mem.rtmemory, max_size, + VG_MEMORY_SYSTEM ); } -VG_STATIC void world_update( world_instance *world, v3f pos ) +typedef struct ent_call ent_call; +struct ent_call{ + ent_index ent; + u32 function; + void *data; +}; + +VG_STATIC void entity_call( world_instance *world, ent_call *call ); + +VG_STATIC void ent_volume_call( world_instance *world, ent_call *call ) +{ + ent_volume *volume = mdl_arritm( &world->ent_volume, call->ent.index ); + if( !volume->target.type ) return; + + if( call->function == k_ent_function_trigger ){ + call->ent = 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 ); + } +} + +VG_STATIC void ent_audio_call( world_instance *world, ent_call *call ) { - /* TEMP!!!!!! */ - static double g_time = 0.0; - g_time += vg.time_delta * (1.0/(k_day_length*60.0)); + ent_audio *audio = mdl_arritm( &world->ent_audio, call->ent.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_exit_loop( "ent_audio_call (invalid function id)" ); + float chance = vg_randf()*100.0f, + bar = 0.0f; - struct ub_world_lighting *state = &world->ub_lighting; + for( u32 i=0; iclip_count; i++ ){ + ent_audio_clip *clip = mdl_arritm( &world->ent_audio_clip, + audio->clip_start+i ); - state->g_time = g_time; - state->g_debug_indices = k_debug_light_indices; - state->g_light_preview = k_light_preview; - state->g_debug_complexity = k_debug_light_complexity; + float mod = world->probabilities[ audio->probability_curve ], + p = clip->probability * mod; - state->g_time_of_day = vg_fractf( g_time ); - state->g_day_phase = cosf( state->g_time_of_day * VG_PIf * 2.0f ); - state->g_sunset_phase= cosf( state->g_time_of_day * VG_PIf * 4.0f + VG_PIf ); + bar += p; - state->g_day_phase = state->g_day_phase * 0.5f + 0.5f; - state->g_sunset_phase = powf( state->g_sunset_phase * 0.5f + 0.5f, 6.0f ); + if( chance < bar ){ - float a = state->g_time_of_day * VG_PIf * 2.0f; - state->g_sun_dir[0] = sinf( a ); - state->g_sun_dir[1] = cosf( a ); - state->g_sun_dir[2] = 0.2f; - v3_normalize( state->g_sun_dir ); + 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; + } + } +} - glBindBuffer( GL_UNIFORM_BUFFER, world->ubo_lighting ); - glBufferSubData( GL_UNIFORM_BUFFER, 0, - sizeof(struct ub_world_lighting), &world->ub_lighting ); - /* TEMP!!!!!! */ +VG_STATIC void entity_call( world_instance *world, ent_call *call ) +{ + if( call->ent.type == k_ent_volume ){ + ent_volume_call( world, call ); + } else if( call->ent.type == k_ent_audio ){ + ent_audio_call( world, call ); + } +} +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 ); -#if 0 - world_routes_debug(); -#endif + //world_routes_debug( world ); + + /* ---- SFD ------------ */ - if( world->route_count > 0 ) - { - int closest = 0; + if( mdl_arrcount( &world->ent_route ) ){ + u32 closest = 0; float min_dist = INFINITY; - for( int i=0; iroute_count; i++ ) - { - float d = v3_dist2( world->routes[i].scoreboard_transform[3], pos ); + 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 ); - if( d < min_dist ) - { - min_dist = d; + if( dist < min_dist ){ + min_dist = dist; closest = i; } } - if( (world_global.active_route_board != closest) + if( (world_global.sfd.active_route_board != closest) || network_scores_updated ) { network_scores_updated = 0; - world_global.active_route_board = closest; - - struct route *route = &world->routes[closest]; + world_global.sfd.active_route_board = closest; - u32 id = route->track_id; + ent_route *route = mdl_arritm( &world->ent_route, closest ); + u32 id = route->official_track_id; - if( id != 0xffffffff ) - { + if( id != 0xffffffff ){ struct netmsg_board *local_board = &scoreboard_client_data.boards[id]; - for( int i=0; i<13; i++ ) - { + 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" ); } } } - - /* TODO: Bvh */ + sfd_update(); static float random_accum = 0.0f; random_accum += vg.time_delta; u32 random_ticks = 0; - while( random_accum > 0.1f ) - { + while( random_accum > 0.1f ){ random_accum -= 0.1f; random_ticks ++; } @@ -588,73 +609,55 @@ VG_STATIC void world_update( world_instance *world, v3f pos ) int in_volume = 0; - while( bh_next( world->volume_bh, &it, volume_proximity, &idx ) ) - { - struct world_volume *zone = &world->volumes[idx]; + while( bh_next( world->volume_bh, &it, volume_proximity, &idx ) ){ + ent_volume *volume = mdl_arritm( &world->ent_volume, idx ); - if( zone->node->classtype == k_classtype_volume_audio ) - { - vg_line_boxf_transformed( zone->transform, (boxf){{-1.0f,-1.0f,-1.0f}, - { 1.0f, 1.0f, 1.0f}}, - 0xff00c0ff ); -#if 0 - for( int j=0; jtype == 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) ) { - logic_packet packet; - packet.location = zone->target_logic_brick; - packet.function = 0; + in_volume = 1; + vg_line_boxf_transformed( volume->to_world, cube, 0xff00ff00 ); - packet.type = k_mdl_128bit_datatype_vec3; - packet.data._v4f[0] = vg_randf()*2.0f-1.0f; - packet.data._v4f[1] = vg_randf()*2.0f-1.0f; - packet.data._v4f[2] = vg_randf()*2.0f-1.0f; - m4x3_mulv( zone->transform, packet.data._v4f, packet.data._v4f ); + if( !world_global.in_volume ){ + ent_call basecall; + basecall.ent.index = idx; + basecall.ent.type = k_ent_volume; + basecall.function = k_ent_function_trigger; + basecall.data = NULL; - logic_bricks_send_packet( world, &packet ); + entity_call( world, &basecall ); + } } -#endif - continue; + 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 ); - v3f local; - m4x3_mulv( zone->inv_transform, pos, local ); - - if( (fabsf(local[0]) <= 1.0f) && - (fabsf(local[1]) <= 1.0f) && - (fabsf(local[2]) <= 1.0f) ) - { - in_volume = 1; + for( int j=0; jtarget_logic_brick; - packet.function = 0; - - packet.type = k_mdl_128bit_datatype_vec3; - v3_copy( pos, packet.data._v4f ); - - logic_bricks_send_packet( world, &packet ); -#endif + entity_call( world, &basecall ); } - - vg_line_boxf_transformed( zone->transform, (boxf){{-1.0f,-1.0f,-1.0f}, - { 1.0f, 1.0f, 1.0f}}, - 0xff00ff00 ); - } - else - { - vg_line_boxf_transformed( zone->transform, (boxf){{-1.0f,-1.0f,-1.0f}, - { 1.0f, 1.0f, 1.0f}}, - 0xff0000ff ); } } + world_global.in_volume = in_volume; +#if 0 if( k_debug_light_indices ) { - for( int i=0; ilight_count; i++ ) - { + for( int i=0; ilight_count; i++ ){ struct world_light *light = &world->lights[i]; struct classtype_world_light *inf = light->inf; @@ -671,28 +674,7 @@ VG_STATIC void world_update( world_instance *world, v3f pos ) } } - world_global.in_volume = in_volume; - sfd_update(); - - /* process soundscape transactions */ - audio_lock(); - for( int i=0; isoundscape_count; i++ ) - { - struct soundscape *s = &world->soundscapes[i]; - s->usage_count = 0; - - for( int j=0; jmax_instances; j++ ) - { - if( s->channels[j] ) - { - if( audio_channel_finished(s->channels[j]) ) - s->channels[j] = audio_relinquish_channel( s->channels[j] ); - else - s->usage_count ++; - } - } - } - audio_unlock(); +#endif } /* @@ -743,16 +725,14 @@ VG_STATIC int spherecast_world( world_instance *world, float min_t = 1.0f; int idx; - while( bh_next( world->geo_bh, &it, region, &idx ) ) - { + while( bh_next( world->geo_bh, &it, region, &idx ) ){ u32 *ptri = &world->scene_geo->arrindices[ idx*3 ]; v3f tri[3]; boxf box; box_init_inf( box ); - for( int j=0; j<3; j++ ) - { + for( int j=0; j<3; j++ ){ v3_copy( world->scene_geo->arrvertices[ptri[j]].co, tri[j] ); box_addpt( box, tri[j] ); } @@ -765,10 +745,8 @@ VG_STATIC int spherecast_world( world_instance *world, float t; v3f n1; - if( spherecast_triangle( tri, pa, dir, r, &t, n1 ) ) - { - if( t < min_t ) - { + if( spherecast_triangle( tri, pa, dir, r, &t, n1 ) ){ + if( t < min_t ){ min_t = t; hit = idx; v3_copy( n1, n ); @@ -781,34 +759,158 @@ VG_STATIC int spherecast_world( world_instance *world, } VG_STATIC -struct world_material *world_tri_index_material( world_instance *world, +struct world_surface *world_tri_index_surface( world_instance *world, u32 index ) { - for( int i=1; imaterial_count; i++ ) - { - struct world_material *mat = &world->materials[i]; + for( int i=1; isurface_count; i++ ){ + struct world_surface *surf = &world->surfaces[i]; - if( (index >= mat->sm_geo.vertex_start) && - (index < mat->sm_geo.vertex_start+mat->sm_geo.vertex_count ) ) + if( (index >= surf->sm_geo.vertex_start) && + (index < surf->sm_geo.vertex_start+surf->sm_geo.vertex_count ) ) { - return mat; + return surf; } } - /* error material */ - return &world->materials[0]; + return &world->surfaces[0]; } -VG_STATIC struct world_material *world_contact_material( world_instance *world, +VG_STATIC struct world_surface *world_contact_surface( world_instance *world, rb_ct *ct ) { - return world_tri_index_material( world, ct->element_id ); + 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 struct world_material *ray_hit_material( world_instance *world, - ray_hit *hit ) +VG_STATIC void world_audio_sample_distances( v3f co, int *index, float *value ) { - return world_tri_index_material( world, hit->tri[0] ); + 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; + + si ++; + if( si >= 14 ) + si = 0; } #endif /* WORLD_H */