2 * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
10 * If we have multiple levels, write an unloader
15 static void world_add_all_if_material( m4x3f transform
, scene
*pscene
,
16 mdl_header
*mdl
, u32 id
)
18 for( int i
=0; i
<mdl
->node_count
; i
++ )
20 mdl_node
*pnode
= mdl_node_from_id( mdl
, i
);
22 for( int j
=0; j
<pnode
->submesh_count
; j
++ )
24 mdl_submesh
*sm
= mdl_node_submesh( mdl
, pnode
, j
);
26 if( sm
->material_id
== id
)
29 mdl_node_transform( pnode
, transform2
);
30 m4x3_mul( transform
, transform2
, transform2
);
32 scene_add_submesh( pscene
, mdl
, sm
, transform2
);
36 if( pnode
->classtype
== k_classtype_instance
)
40 u32 instance_id
= pnode
->sub_uid
-1;
41 struct instance_cache
*cache
= &world
.instance_cache
[instance_id
];
42 mdl_header
*mdl2
= cache
->mdl
;
45 mdl_node_transform( pnode
, transform2
);
46 m4x3_mul( transform
, transform2
, transform2
);
48 world_add_all_if_material( transform2
, pscene
, mdl2
, id
);
54 static void world_apply_procedural_foliage(void)
56 mdl_header
*mfoliage
= mdl_load("models/rs_foliage.mdl");
59 v3_sub( world
.geo
.bbx
[1], world
.geo
.bbx
[0], volume
);
63 mdl_node
*mblob
= mdl_node_from_name( mfoliage
, "blob" );
64 mdl_submesh
*sm_blob
= mdl_node_submesh( mfoliage
, mblob
, 0 );
66 for( int i
=0;i
<100000;i
++ )
69 v3_mul( volume
, (v3f
){ vg_randf(), 1000.0f
, vg_randf() }, pos
);
71 v3_add( pos
, world
.geo
.bbx
[0], pos
);
76 if( ray_world( pos
, (v3f
){0.0f
,-1.0f
,0.0f
}, &hit
))
78 if( (hit
.normal
[1] > 0.8f
) && ray_hit_is_terrain(&hit
) &&
79 (hit
.pos
[1] > 0.0f
+10.0f
) )
81 v4f qsurface
, qrandom
;
84 v3_cross( (v3f
){0.0f
,1.0f
,0.0f
}, hit
.normal
, axis
);
86 float angle
= v3_dot(hit
.normal
,(v3f
){0.0f
,1.0f
,0.0f
});
87 q_axis_angle( qsurface
, axis
, angle
);
88 q_axis_angle( qrandom
, (v3f
){0.0f
,1.0f
,0.0f
}, vg_randf()*VG_TAUf
);
89 q_mul( qsurface
, qrandom
, qsurface
);
90 q_m3x3( qsurface
, transform
);
92 v3_copy( hit
.pos
, transform
[3] );
93 scene_add_submesh( &world
.foliage
, mfoliage
, sm_blob
, transform
);
101 static void world_load(void)
103 mdl_header
*mworld
= mdl_load( "models/mp_dev.mdl" );
104 vg_info( "Loading world: models/mp_dev.mdl\n" );
106 world
.spawn_count
= 0;
107 world
.traffic_count
= 0;
108 world
.instance_cache
= NULL
;
113 for( int i
=0; i
<mworld
->node_count
; i
++ )
115 mdl_node
*pnode
= mdl_node_from_id( mworld
, i
);
117 if( pnode
->classtype
== k_classtype_none
)
119 else if( pnode
->classtype
== k_classtype_spawn
)
121 struct respawn_point
*rp
= &world
.spawns
[ world
.spawn_count
++ ];
123 v3_copy( pnode
->co
, rp
->co
);
124 v4_copy( pnode
->q
, rp
->q
);
125 strcpy( rp
->name
, mdl_pstr( mworld
, pnode
->pstr_name
) );
127 else if( pnode
->classtype
== k_classtype_water
)
129 if( wrender
.enabled
)
131 vg_warn( "Multiple water surfaces in level! ('%s')\n",
132 mdl_pstr( mworld
, pnode
->pstr_name
));
136 mdl_submesh
*sm
= mdl_node_submesh( mworld
, pnode
, 0 );
140 vg_acquire_thread_sync();
143 mdl_unpack_submesh( mworld
, &surf
, sm
);
144 water_set_surface( &surf
, pnode
->co
[1] );
146 vg_release_thread_sync();
149 else if( pnode
->classtype
== k_classtype_car_path
)
151 struct classtype_car_path
*p
= mdl_get_entdata( mworld
, pnode
);
152 traffic_node
*tn
= &world
.traffic
[ world
.traffic_count
];
156 if( p
->target
) tn
->mn_next
= mdl_node_from_id( mworld
, p
->target
);
157 if( p
->target1
) tn
->mn_next1
= mdl_node_from_id( mworld
, p
->target1
);
160 mdl_node_transform( pnode
, transform
);
161 m3x3_mulv( transform
, (v3f
){1.0f
,0.0f
,0.0f
}, tn
->h
);
162 v3_copy( transform
[3], tn
->co
);
164 pnode
->sub_uid
= world
.traffic_count
++;
166 else if( pnode
->classtype
== k_classtype_instance
)
168 struct classtype_instance
*inst
= mdl_get_entdata( mworld
, pnode
);
172 for( int i
=0; i
<world
.instance_cache_count
; i
++ )
174 struct instance_cache
*cache
= &world
.instance_cache
[i
];
175 if( inst
->pstr_file
== cache
->pstr_file
)
178 pnode
->sub_uid
= i
+1;
185 world
.instance_cache
= buffer_reserve(
186 world
.instance_cache
, world
.instance_cache_count
,
187 &world
.instance_cache_cap
, 1,
188 sizeof(struct instance_cache
) );
190 struct instance_cache
*cache
=
191 &world
.instance_cache
[world
.instance_cache_count
];
193 const char *filename
= mdl_pstr(mworld
, inst
->pstr_file
);
195 cache
->pstr_file
= inst
->pstr_file
;
196 cache
->mdl
= mdl_load( filename
);
200 world
.instance_cache_count
++;
201 pnode
->sub_uid
= world
.instance_cache_count
;
202 mdl_link_materials( mworld
, cache
->mdl
);
203 vg_success( "Cached %s\n", filename
);
207 vg_warn( "Failed to cache %s\n", filename
);
213 world
.instance_cache
= buffer_fix( world
.instance_cache
,
214 world
.instance_cache_count
,
215 &world
.instance_cache_cap
,
216 sizeof( struct instance_cache
) );
219 traffic_finalize( world
.traffic
, world
.traffic_count
);
220 for( int i
=0; i
<vg_list_size(world
.van_man
); i
++ )
221 world
.van_man
[i
].current
=&world
.traffic
[vg_randint(world
.traffic_count
)];
225 * Compile meshes into the world scenes
227 scene_init( &world
.geo
);
231 mat_vertex_blend
= 0,
237 for( int i
=1; i
<mworld
->material_count
; i
++ )
239 mdl_material
*mat
= mdl_material_from_id( mworld
, i
);
240 const char *mat_name
= mdl_pstr( mworld
, mat
->pstr_name
);
242 if( !strcmp( "surf", mat_name
))
244 else if( !strcmp( "surf_oob", mat_name
))
246 else if( !strcmp( "vertex_blend", mat_name
))
247 mat_vertex_blend
= i
;
248 else if( !strcmp( "alphatest", mat_name
))
250 else if( !strcmp( "graffitibox", mat_name
))
252 else if( !strcmp( "terrain", mat_name
) )
257 m4x3_identity( midentity
);
260 world_add_all_if_material( midentity
, &world
.geo
, mworld
, mat_terrain
);
261 scene_copy_slice( &world
.geo
, &world
.sm_terrain
);
264 world_add_all_if_material( midentity
, &world
.geo
, mworld
, mat_surf_oob
);
266 vg_warn( "No OOB surface\n" );
267 scene_copy_slice( &world
.geo
, &world
.sm_geo_std_oob
);
270 world_add_all_if_material( midentity
, &world
.geo
, mworld
, mat_surf
);
271 scene_copy_slice( &world
.geo
, &world
.sm_geo_std
);
273 if( mat_vertex_blend
)
274 world_add_all_if_material( midentity
, &world
.geo
,mworld
,mat_vertex_blend
);
275 scene_copy_slice( &world
.geo
, &world
.sm_geo_vb
);
277 vg_acquire_thread_sync();
278 scene_upload( &world
.geo
);
279 vg_release_thread_sync();
281 scene_bh_create( &world
.geo
);
284 /* Foliage /nocollide layer.
285 * TODO: Probably should have material traits for this
287 scene_init( &world
.foliage
);
289 world_apply_procedural_foliage();
290 scene_copy_slice( &world
.foliage
, &world
.sm_foliage_main
);
292 world_add_all_if_material( midentity
, &world
.foliage
, mworld
, mat_alphatest
);
293 scene_copy_slice( &world
.foliage
, &world
.sm_foliage_alphatest
);
295 world_add_all_if_material( midentity
, &world
.foliage
, mworld
, mat_graffiti
);
296 scene_copy_slice( &world
.foliage
, &world
.sm_graffiti
);
299 vg_acquire_thread_sync();
301 scene_upload( &world
.foliage
);
304 * Rendering the depth map
310 v3_sub( world
.geo
.bbx
[1], world
.geo
.bbx
[0], extent
);
312 float fl
= world
.geo
.bbx
[0][0],
313 fr
= world
.geo
.bbx
[1][0],
314 fb
= world
.geo
.bbx
[0][2],
315 ft
= world
.geo
.bbx
[1][2],
320 ortho
[0][0] = 2.0f
* rl
;
321 ortho
[2][1] = 2.0f
* tb
;
322 ortho
[3][0] = (fr
+ fl
) * -rl
;
323 ortho
[3][1] = (ft
+ fb
) * -tb
;
325 m4x3_identity( camera
);
327 glViewport( 0, 0, 1024, 1024 );
328 glDisable(GL_DEPTH_TEST
);
329 glBindFramebuffer( GL_FRAMEBUFFER
, gpipeline
.fb_depthmap
);
330 shader_fscolour_use();
331 shader_fscolour_uColour( (v4f
){-9999.0f
,-9999.0f
,-9999.0f
,-9999.0f
} );
335 glBlendFunc(GL_ONE
, GL_ONE
);
336 glBlendEquation(GL_MAX
);
337 render_world_depth( ortho
, camera
);
339 glEnable(GL_DEPTH_TEST
);
340 glBindFramebuffer( GL_FRAMEBUFFER
, 0 );
344 * TODO: World settings entity
346 struct ub_world_lighting
*winfo
= &gpipeline
.ub_world_lighting
;
347 v4_copy( wrender
.plane
, winfo
->g_water_plane
);
350 bounds
[0] = world
.geo
.bbx
[0][0];
351 bounds
[1] = world
.geo
.bbx
[0][2];
352 bounds
[2] = 1.0f
/ (world
.geo
.bbx
[1][0]-world
.geo
.bbx
[0][0]);
353 bounds
[3] = 1.0f
/ (world
.geo
.bbx
[1][2]-world
.geo
.bbx
[0][2]);
354 v4_copy( bounds
, winfo
->g_depth_bounds
);
356 winfo
->g_water_fog
= 0.04f
;
357 render_update_lighting_ub();
360 vg_release_thread_sync();
362 world_routes_loadfrom( mworld
);
364 for( int i
=0; i
<world
.instance_cache_count
; i
++ )
365 vg_free( world
.instance_cache
[i
].mdl
);
367 vg_free( world
.instance_cache
);
369 scene_free_offline_buffers( &world
.foliage
);
372 * Setup scene collider
374 v3_zero( world
.rb_geo
.co
);
375 q_identity( world
.rb_geo
.q
);
377 world
.rb_geo
.type
= k_rb_shape_scene
;
378 world
.rb_geo
.inf
.scene
.pscene
= &world
.geo
;
379 world
.rb_geo
.is_world
= 1;
380 rb_init( &world
.rb_geo
);
383 #endif /* WORLD_GEN_H */