mini world rendering adjustments
[carveJwlIkooP6JGAAIwe30JlM.git] / world_load.c
1 #ifndef WORLD_LOAD_C
2 #define WORLD_LOAD_C
3
4 #include "world_load.h"
5 #include "world_routes.h"
6 #include "world_gate.h"
7 #include "ent_skateshop.h"
8 #include "addon.h"
9 #include "save.h"
10 #include "vg/vg_msg.h"
11 #include "network.h"
12 #include "player_remote.h"
13
14 /*
15 * load the .mdl file located in path as a world instance
16 */
17 static void world_instance_load_mdl( u32 instance_id, const char *path ){
18 vg_rand_seed( 9001 );
19
20 world_instance *world = &world_static.instances[ instance_id ];
21 world_init_blank( world );
22 world->status = k_world_status_loading;
23
24 vg_info( "Loading instance[%u]: %s\n", instance_id, path );
25
26 void *allocator = NULL;
27 if( instance_id == 0 ) allocator = world_static.heap;
28 else allocator = world_static.instances[instance_id-1].heap;
29
30 u32 heap_availible = vg_linear_remaining( allocator );
31 u32 min_overhead = sizeof(vg_linear_allocator);
32
33 if( heap_availible < (min_overhead+1024) ){
34 vg_fatal_error( "out of memory" );
35 }
36
37 u32 size = heap_availible - min_overhead;
38 void *heap = vg_create_linear_allocator( allocator, size, VG_MEMORY_SYSTEM );
39
40 world->heap = heap;
41 mdl_context *meta = &world->meta;
42
43 mdl_open( meta, path, world->heap );
44 mdl_load_metadata_block( meta, world->heap );
45 mdl_load_animation_block( meta, world->heap );
46 mdl_load_mesh_block( meta, world->heap );
47
48 /* TODO: Make this a table? */
49 mdl_load_array( meta, &world->ent_gate, "ent_gate", heap );
50 mdl_load_array( meta, &world->ent_camera, "ent_camera", heap );
51 mdl_load_array( meta, &world->ent_spawn, "ent_spawn", heap );
52 mdl_load_array( meta, &world->ent_light, "ent_light", heap );
53 mdl_load_array( meta, &world->ent_route_node,"ent_route_node", heap );
54 mdl_load_array( meta, &world->ent_path_index,"ent_path_index", heap );
55 mdl_load_array( meta, &world->ent_checkpoint,"ent_checkpoint", heap );
56 mdl_load_array( meta, &world->ent_route, "ent_route", heap );
57 mdl_load_array( meta, &world->ent_water, "ent_water", heap );
58 mdl_load_array( meta, &world->ent_audio_clip,"ent_audio_clip", heap );
59 mdl_load_array( meta, &world->ent_audio, "ent_audio", heap );
60 mdl_load_array( meta, &world->ent_volume, "ent_volume", heap );
61 mdl_load_array( meta, &world->ent_traffic, "ent_traffic", heap );
62 mdl_load_array( meta, &world->ent_marker, "ent_marker", heap );
63 mdl_load_array( meta, &world->ent_skateshop, "ent_skateshop", heap );
64 mdl_load_array( meta, &world->ent_swspreview,"ent_swspreview", heap );
65 mdl_load_array( meta, &world->ent_ccmd, "ent_ccmd", heap );
66 mdl_load_array( meta, &world->ent_objective, "ent_objective", heap );
67 mdl_load_array( meta, &world->ent_challenge, "ent_challenge", heap );
68 mdl_load_array( meta, &world->ent_relay, "ent_relay", heap );
69 mdl_load_array( meta, &world->ent_cubemap, "ent_cubemap", heap );
70 mdl_load_array( meta, &world->ent_miniworld, "ent_miniworld", heap );
71
72 mdl_array_ptr infos;
73 mdl_load_array( meta, &infos, "ent_worldinfo", vg_mem.scratch );
74
75 world->skybox = k_skybox_default;
76 if( mdl_arrcount(&infos) ){
77 world->info = *((ent_worldinfo *)mdl_arritm(&infos,0));
78
79 if( world->meta.info.version >= 104 ){
80 if( MDL_CONST_PSTREQ( &world->meta, world->info.pstr_skybox,"space")){
81 world->skybox = k_skybox_space;
82 }
83 }
84 }
85 else{
86 world->info.pstr_author = 0;
87 world->info.pstr_desc = 0;
88 world->info.pstr_name = 0;
89 world->info.timezone = 0.0f;
90 }
91
92 time_t seconds = time(NULL) % ((u32)vg_maxf(1.0f,k_day_length)*60);
93 world->time = ((f64)(seconds)/(k_day_length*60.0));
94 world->time += (world->info.timezone/24.0);
95
96 /* process resources from pack */
97 world_gen_load_surfaces( world );
98 world_gen_routes_ent_init( world );
99 world_gen_entities_init( world );
100
101 /* main bulk */
102 world_gen_generate_meshes( world );
103 world_gen_routes_generate( instance_id );
104 world_gen_compute_light_indices( world );
105 mdl_close( meta );
106
107 /* init player position.
108 * - this is overriden by the save state when(if) it loads */
109 v3_zero( world->player_angles );
110 ent_spawn *rp = world_find_spawn_by_name( world, "start" );
111 if( !rp ) rp = world_find_closest_spawn( world, (v3f){0.0f,0.0f,0.0f} );
112
113 /* TODO: fallback to searching for a safe location using raycasts */
114 assert(rp);
115 v3_copy( rp->transform.co, world->player_co );
116
117 /* allocate leaderboard buffers */
118 u32 bs = mdl_arrcount(&world->ent_route)*sizeof(struct leaderboard_cache);
119 world->leaderboard_cache = vg_linear_alloc( heap, bs );
120
121 for( u32 i=0; i<mdl_arrcount( &world->ent_route ); i ++ ){
122 struct leaderboard_cache *board = &world->leaderboard_cache[i];
123 board->data = vg_linear_alloc( heap, NETWORK_REQUEST_MAX );
124 board->status = k_request_status_client_error;
125 board->cache_time = 0.0;
126 board->data_len = 0;
127 }
128
129 vg_async_call( async_world_postprocess, world, 0 );
130 vg_async_stall();
131 }
132
133 struct world_load_complete_data{
134 savedata_file save;
135 enum world_purpose purpose;
136 };
137
138 static void skaterift_world_load_done( void *payload, u32 size ){
139 struct world_load_complete_data *data = payload;
140
141 /* TODO(W2): Load player position from this save file */
142 vg_msg sav;
143 vg_msg_init( &sav, data->save.buf, data->save.len );
144
145 world_instance *world = &world_static.instances[ data->purpose ];
146 world_entity_start( world, &sav );
147 world->status = k_world_status_loaded;
148 world_static.load_state = k_world_loader_none;
149
150 for( int i=0; i<k_world_max; i ++ ){
151 world_instance *wi = &world_static.instances[i];
152
153 if( wi->status == k_world_status_loaded )
154 world_entity_relink( wi );
155 }
156 }
157
158 struct world_load_args {
159 enum world_purpose purpose;
160 addon_reg *reg;
161 };
162
163 /*
164 * Does a complete world switch using the remaining free slots
165 */
166 static void skaterift_world_load_thread( void *_args ){
167 /* FIXME: we need to check all threads that take args. args can dissapear! */
168 struct world_load_args args = *((struct world_load_args *)_args);
169
170 addon_reg *reg = args.reg;
171 world_static.instance_addons[ args.purpose ] = reg;
172
173 char uid[ADDON_UID_MAX];
174 addon_alias_uid( &reg->alias, uid );
175 vg_info( "LOAD WORLD %s @%d\n", uid, args.purpose );
176
177 char path_buf[4096];
178 vg_str path;
179 vg_strnull( &path, path_buf, 4096 );
180
181 assert( reg );
182 addon_get_content_folder( reg, &path );
183
184 vg_str folder = path;
185 if( !vg_strgood( &folder ) ) {
186 vg_error( "Load target too long\n" );
187 return;
188 }
189
190 char worlds[k_world_max-1][4096];
191 u32 i=0;
192
193 vg_dir dir;
194 if( !vg_dir_open(&dir, folder.buffer) ){
195 vg_error( "opendir('%s') failed\n", folder.buffer );
196 return;
197 }
198
199 while( vg_dir_next_entry(&dir) ){
200 if( vg_dir_entry_type(&dir) == k_vg_entry_type_file ){
201 const char *d_name = vg_dir_entry_name(&dir);
202 if( d_name[0] == '.' ) continue;
203
204 vg_str file = folder;
205 vg_strcat( &file, "/" );
206 vg_strcat( &file, d_name );
207 if( !vg_strgood( &file ) ) continue;
208
209 char *ext = vg_strch( &file, '.' );
210 if( !ext ) continue;
211 if( strcmp(ext,".mdl") ) continue;
212
213 if( i == k_world_max-1 ){
214 vg_warn( "There are too many .mdl files in the map folder!(3)\n" );
215 break;
216 }
217
218 strcpy( worlds[i++], file.buffer );
219 }
220 }
221 vg_dir_close(&dir);
222
223 if( i == 0 ){
224 vg_warn( "There are no .mdl files in the map folder.\n" );
225 }
226
227 u32 first_index = 0;
228 for( u32 j=0; j<i; j++ ){
229 vg_str name = { .buffer = worlds[j], .i=strlen(worlds[j]),
230 sizeof(worlds[j]) };
231 char *fname = vg_strch( &name, '/' );
232 if( fname ){
233 if( !strcmp( fname+1, "main.mdl" ) ){
234 first_index = j;
235 }
236 }
237 }
238
239 world_instance_load_mdl( args.purpose, worlds[first_index] );
240
241 vg_async_item *final_call =
242 vg_async_alloc( sizeof(struct world_load_complete_data) );
243
244 struct world_load_complete_data *data = final_call->payload;
245 data->purpose = args.purpose;
246
247 skaterift_world_get_save_path( args.purpose, data->save.path );
248 savedata_file_read( &data->save );
249
250 vg_async_dispatch( final_call, skaterift_world_load_done );
251 vg_async_stall();
252 }
253
254 /* holding pattern before we can start loading the new world, since we might be
255 * waiting for audio to stop */
256 static void skaterift_change_client_world_preupdate(void){
257 for( u32 i=1; i<k_world_max; i++ ){
258 world_instance *inst = &world_static.instances[i];
259
260 if( inst->status == k_world_status_unloading ){
261 if( world_freeable( inst ) ){
262 world_free( inst );
263 }
264 return;
265 }
266 }
267
268 if( vg_loader_availible() ){
269 vg_info( "worlds cleared, begining load\n" );
270 world_static.load_state = k_world_loader_load;
271
272 vg_linear_clear( vg_async.buffer );
273 struct world_load_args *args =
274 vg_linear_alloc( vg_async.buffer, sizeof(struct world_load_args) );
275 args->purpose = k_world_purpose_client;
276 args->reg = world_static.instance_addons[ k_world_purpose_client ];
277
278 /* this is replaces the already correct reg but we have to set it again
279 * TOO BAD */
280
281 /* finally can start the loader */
282 vg_loader_start( skaterift_world_load_thread, args );
283 }
284 }
285
286 /* places all loaded worlds into unloading state */
287 static void skaterift_change_world_start( addon_reg *reg ){
288 if( world_static.active_instance != 0 )
289 vg_error( "Cannot change worlds while in non-root world\n" );
290 else{
291 if( world_static.instance_addons[ k_world_purpose_client ] == reg ){
292 vg_warn( "World is already loaded\n" );
293 return;
294 }
295
296 char buf[76];
297 addon_alias_uid( &reg->alias, buf );
298 vg_info( "switching to: %s\n", buf );
299 skaterift_autosave(1);
300
301 world_static.load_state = k_world_loader_preload;
302
303 vg_linear_clear( vg_mem.scratch ); /* ?? */
304 vg_info( "unloading old worlds\n" );
305
306 for( u32 i=1; i<vg_list_size(world_static.instances); i++ ){
307 world_instance *inst = &world_static.instances[i];
308
309 if( inst->status == k_world_status_loaded ){
310 inst->status = k_world_status_unloading;
311 world_fadeout_audio( inst );
312 }
313 }
314
315 world_entity_relink( &world_static.instances[k_world_purpose_hub] );
316
317 world_static.instance_addons[ k_world_purpose_client ] = reg;
318 network_send_item( k_netmsg_playeritem_world1 );
319 relink_all_remote_player_worlds();
320 }
321 }
322
323 /* console command for the above function */
324 static int skaterift_load_world_command( int argc, const char *argv[] ){
325 if( !vg_loader_availible() ) return 0; /* FIXME */
326
327 if( argc == 1 ){
328 addon_alias q;
329 addon_uid_to_alias( argv[0], &q );
330
331 u32 reg_id = addon_match( &q );
332 if( reg_id != 0xffffffff ){
333 addon_reg *reg = get_addon_from_index( k_addon_type_world, reg_id );
334 skaterift_change_world_start( reg );
335 }
336 else {
337 vg_error( "Addon '%s' is not installed or not found.\n", argv[0] );
338 }
339 }
340 else {
341 vg_info( "worlds availible to load:\n" );
342
343 for( int i=0; i<addon_count(k_addon_type_world); i ++ ){
344 addon_reg *w = get_addon_from_index( k_addon_type_world, i );
345
346 char buf[ADDON_UID_MAX];
347 addon_alias_uid( &w->alias, buf );
348 vg_info( " %s\n", buf );
349 }
350 }
351
352 return 0;
353 }
354
355 /*
356 * checks:
357 * 1. to see if all audios owned by the world have been stopped
358 * 2. that this is the least significant world
359 */
360 static int world_freeable( world_instance *world ){
361 if( world->status != k_world_status_unloading ) return 0;
362 u8 world_id = (world - world_static.instances) + 1;
363
364 for( u32 i=world_id; i<vg_list_size(world_static.instances); i++ ){
365 if( world_static.instances[i].status != k_world_status_unloaded ){
366 return 0;
367 }
368 }
369
370 int freeable = 1;
371 audio_lock();
372 for( u32 i=0; i<AUDIO_CHANNELS; i++ ){
373 audio_channel *ch = &vg_audio.channels[i];
374
375 if( ch->allocated && (ch->world_id == world_id)){
376 if( !audio_channel_finished( ch ) ){
377 freeable = 0;
378 break;
379 }
380 }
381 }
382 audio_unlock();
383 return freeable;
384 }
385
386 /*
387 * Free all resources for world instance
388 */
389 static void world_free( world_instance *world ){
390 vg_info( "Free world @%p\n", world );
391
392 /* free meshes */
393 mesh_free( &world->mesh_route_lines );
394 mesh_free( &world->mesh_geo );
395 mesh_free( &world->mesh_no_collide );
396 mesh_free( &world->mesh_water );
397
398 /* glDeleteBuffers silently ignores 0's and names that do not correspond to
399 * existing buffer objects.
400 * */
401 glDeleteBuffers( 1, &world->tbo_light_entities );
402 glDeleteTextures( 1, &world->tex_light_entities );
403 glDeleteTextures( 1, &world->tex_light_cubes );
404
405 /* delete textures and meshes */
406 glDeleteTextures( world->texture_count, world->textures );
407
408 u32 world_index = world - world_static.instances;
409 if( world_index ){
410 vg_linear_del( world_static.instances[world_index-1].heap,
411 vg_linear_header(world->heap) );
412 }
413
414 for( u32 i=0; i<mdl_arrcount(&world->ent_cubemap); i++ ){
415 ent_cubemap *cm = mdl_arritm(&world->ent_cubemap,i);
416 glDeleteTextures( 1, &cm->texture_id );
417 glDeleteFramebuffers( 1, &cm->framebuffer_id );
418 glDeleteRenderbuffers( 1, &cm->renderbuffer_id );
419 }
420
421 world->status = k_world_status_unloaded;
422 }
423
424 /*
425 * reset the world structure without deallocating persistent buffers
426 * TODO: Make this a memset(0), and have persistent items live in a static loc
427 */
428 static void world_init_blank( world_instance *world ){
429 memset( &world->meta, 0, sizeof(mdl_context) );
430
431 world->textures = NULL;
432 world->texture_count = 0;
433 world->surfaces = NULL;
434 world->surface_count = 0;
435
436 world->geo_bh = NULL;
437 world->entity_bh = NULL;
438 world->entity_list = NULL;
439 world->rendering_gate = NULL;
440
441 world->water.enabled = 0;
442 world->time = 0.0;
443
444 /* default lighting conditions
445 * -------------------------------------------------------------*/
446 struct ub_world_lighting *state = &world->ub_lighting;
447
448 state->g_light_preview = 0;
449 state->g_shadow_samples = 8;
450 state->g_water_fog = 0.04f;
451
452 v4_zero( state->g_water_plane );
453 v4_zero( state->g_depth_bounds );
454
455 state->g_shadow_length = 9.50f;
456 state->g_shadow_spread = 0.65f;
457
458 v3_copy( (v3f){0.37f, 0.54f, 0.97f}, state->g_daysky_colour );
459 v3_copy( (v3f){0.03f, 0.05f, 0.20f}, state->g_nightsky_colour );
460 v3_copy( (v3f){1.00f, 0.32f, 0.01f}, state->g_sunset_colour );
461 v3_copy( (v3f){0.13f, 0.17f, 0.35f}, state->g_ambient_colour );
462 v3_copy( (v3f){0.25f, 0.17f, 0.51f}, state->g_sunset_ambient );
463 v3_copy( (v3f){1.10f, 0.89f, 0.35f}, state->g_sun_colour );
464 }
465
466 #endif /* WORLD_LOAD_C */