--- /dev/null
+/*
+ * Copyright (C) 2021-2023 Mt.ZERO Software, Harry Godden - All Rights Reserved
+ */
+
+#ifndef WORLD_C
+#define WORLD_C
+
+#include "world.h"
+#include "network.h"
+
+static world_instance *world_current_instance(void){
+ return &world_static.worlds[ world_static.active_world ];
+}
+
+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_render.sky_rate = 1.0;
+ world_render.sky_target_rate = 1.0;
+
+ 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();
+
+ shader_model_sky_register();
+
+ vg_info( "Loading world resources\n" );
+
+ vg_linear_clear( vg_mem.scratch );
+
+ 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_render.skydome );
+ mdl_close( &msky );
+
+ /* Other systems */
+ vg_info( "Loading other world systems\n" );
+
+ 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_static.heap = vg_create_linear_allocator( vg_mem.rtmemory, max_size,
+ VG_MEMORY_SYSTEM );
+}
+
+#include "world_entity.c"
+#include "world_gate.c"
+#include "world_gen.c"
+#include "world_load.c"
+#include "world_physics.c"
+#include "world_render.c"
+#include "world_sfd.c"
+#include "world_volumes.c"
+#include "world_water.c"
+#include "world_audio.c"
+#include "world_routes.c"
+
+VG_STATIC void world_update( world_instance *world, v3f pos )
+{
+ world_render.sky_time += world_render.sky_rate * vg.time_delta;
+ world_render.sky_rate = vg_lerp( world_render.sky_rate,
+ world_render.sky_target_rate,
+ vg.time_delta * 5.0 );
+
+ world_routes_update_timer_texts( world );
+ world_routes_update( world );
+ //world_routes_debug( world );
+
+ /* ---- traffic -------- */
+
+ for( u32 i=0; i<mdl_arrcount( &world->ent_traffic ); i++ ){
+ ent_traffic *traffic = mdl_arritm( &world->ent_traffic, i );
+
+ u32 i1 = traffic->index,
+ i0,
+ i2 = i1+1;
+
+ 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 );
+ }
+
+ /* ---- SFD ------------ */
+
+ if( mdl_arrcount( &world->ent_route ) ){
+ u32 closest = 0;
+ float min_dist = INFINITY;
+
+ for( u32 i=0; i<mdl_arrcount( &world->ent_route ); i++ ){
+ ent_route *route = mdl_arritm( &world->ent_route, i );
+ float dist = v3_dist2( route->board_transform[3], pos );
+
+ if( dist < min_dist ){
+ min_dist = dist;
+ closest = i;
+ }
+ }
+
+ if( (world_sfd.active_route_board != closest) || network_scores_updated )
+ {
+ network_scores_updated = 0;
+ world_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_box( 0, &it, volume_proximity );
+ i32 idx;
+
+ int in_volume = 0;
+
+ while( bh_next( world->volume_bh, &it, &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) )
+ {
+ in_volume = 1;
+ vg_line_boxf_transformed( volume->to_world, cube, 0xff00ff00 );
+
+ if( !world_static.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; j<random_ticks; j++ ){
+ ent_call basecall;
+ basecall.id = mdl_entity_id( k_ent_volume, idx );
+ basecall.data = NULL;
+
+ entity_call( world, &basecall );
+ }
+ }
+ }
+ world_static.in_volume = in_volume;
+
+#if 0
+ if( k_debug_light_indices )
+ {
+ for( int i=0; i<world->light_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
+}
+
+#endif /* WORLD_C */