+ water;
+
+ /* split flap display */
+ struct
+ {
+ glmesh mesh_base, mesh_display;
+ mdl_submesh sm_base;
+ u32 active_route_board;
+
+ u32 w, h;
+ float *buffer;
+ }
+ sfd;
+
+ v3f render_gate_pos;
+ int in_volume;
+
+ int switching_to_new_world;
+
+ world_instance worlds[4];
+ u32 world_count;
+ u32 active_world;
+}
+world_global;
+
+VG_STATIC world_instance *get_active_world( void )
+{
+ return &world_global.worlds[ world_global.active_world ];
+}
+
+/*
+ * API
+ */
+
+VG_STATIC
+int ray_hit_is_ramp( world_instance *world, ray_hit *hit );
+
+VG_STATIC
+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] );
+
+VG_STATIC
+int ray_world( world_instance *world, v3f pos, v3f dir, ray_hit *hit );
+
+/*
+ * 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"
+
+/*
+ * -----------------------------------------------------------------------------
+ * Events
+ * -----------------------------------------------------------------------------
+ */
+
+VG_STATIC int world_stop_sound( int argc, const char *argv[] )
+{
+ world_instance *world = get_active_world();
+ return 0;
+}
+
+VG_STATIC void world_init(void)
+{
+ world_global.sky_rate = 1.0;
+ world_global.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_load_mesh_block( &msky, vg_mem.scratch );
+ mdl_close( &msky );
+
+ vg_acquire_thread_sync();
+ {
+ mdl_unpack_glmesh( &msky, &world_global.skydome );
+ }
+ vg_release_thread_sync();
+
+ /* 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_global.generic_heap = vg_create_linear_allocator( vg_mem.rtmemory,
+ max_size,
+ VG_MEMORY_SYSTEM );
+}
+
+VG_STATIC void world_update( world_instance *world, v3f pos )
+{
+ /* TEMP!!!!!! */
+ static double g_time = 0.0;
+ g_time += vg.time_delta * (1.0/(k_day_length*60.0));
+
+
+ struct ub_world_lighting *state = &world->ub_lighting;
+
+ state->g_time = g_time;
+ state->g_realtime = vg.time;
+ state->g_debug_indices = k_debug_light_indices;
+ state->g_light_preview = k_light_preview;
+ state->g_debug_complexity = k_debug_light_complexity;
+
+ 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 );
+
+ 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 );
+
+ 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 );
+
+
+
+ glBindBuffer( GL_UNIFORM_BUFFER, world->ubo_lighting );
+ glBufferSubData( GL_UNIFORM_BUFFER, 0,
+ sizeof(struct ub_world_lighting), &world->ub_lighting );
+ /* TEMP!!!!!! */
+
+ 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( world );
+ world_routes_debug( world );
+
+ /* ---- SFD ------------ */
+
+ if( mdl_arrcount( &world->ent_route ) ){
+ u32 closest = 0;
+ float min_dist = INFINITY;