scraped a small amount of crap
[carveJwlIkooP6JGAAIwe30JlM.git] / world_gen.h
index b35c6c25f036a3a4380b1d7a0b24afa47ee2f401..fb6031b32f02552d908f2c00abffc599641dbd88 100644 (file)
@@ -126,294 +126,6 @@ VG_STATIC void world_apply_procedural_foliage( world_instance *world,
    vg_info( "%d foliage models added\n", count );
 }
 
-#if 0
-VG_STATIC void world_ents_allocate( world_instance *world )
-{
-   vg_info( "Allocating entities\n" );
-
-   /* --count entites to allocate buffers for them.--
-    * --maybe in the future we just store these numbers in the model file...--
-    *
-    *        ... 16.03.23: I HOPE YOUR FUCKING HAPPY
-    *        ... 22.03.23: incomprehensible pain
-    *        
-    * -- use this in world_routes too  --
-    *
-    */
-
-   struct countable
-   {
-      enum   classtype ct, ct1;
-      void **to_allocate;
-      u32    item_size;
-      int    count;
-   }
-   entity_counts[] =
-   {
-      { 
-         k_classtype_spawn, 
-         k_classtype_none,
-         (void*)&world->spawns,       
-         sizeof(struct respawn_point) 
-      },
-      { 
-         k_classtype_audio, 
-         k_classtype_none,
-         (void*)&world->audio_things, 
-         sizeof(struct world_audio_thing) 
-      },
-      {
-         k_classtype_world_light,
-         k_classtype_none,
-         (void*)&world->lights,
-         sizeof(struct world_light)
-      },
-      {
-         k_classtype_nonlocal_gate,
-         k_classtype_none,
-         (void*)&world->nonlocal_gates,
-         sizeof(struct nonlocal_gate)
-      },
-   };
-
-   for( int i=0; i<vg_list_size(entity_counts); i++ )
-      entity_counts[i].count = 0;
-
-   for( int i=0; i<world->meta->info.node_count; i++ )
-   {
-      mdl_node *pnode = mdl_node_from_id( world->meta, i );
-      
-      for( int j=0; j<vg_list_size(entity_counts); j ++ )
-      {
-         if( (pnode->classtype == entity_counts[j].ct) ||
-             (pnode->classtype == entity_counts[j].ct1) )
-         {
-            pnode->sub_uid = entity_counts[j].count;
-            entity_counts[j].count ++;
-            break;
-         }
-      }
-   }
-
-   for( int i=0; i<vg_list_size(entity_counts); i++ )
-   {
-      struct countable *counter = &entity_counts[i];
-      
-      u32 bufsize = counter->item_size*counter->count;
-      *counter->to_allocate = vg_linear_alloc( world_global.generic_heap, 
-                                               bufsize );
-      memset( *counter->to_allocate, 0, bufsize );
-   }
-
-   world->volume_bh = bh_create( world_global.generic_heap,
-                                  &bh_system_volumes,
-                                  world,
-                                  world->volume_count,
-                                  1 );
-}
-#endif
-
-#if 0
-VG_STATIC void world_pct_spawn( world_instance *world, mdl_node *pnode )
-{
-   struct respawn_point *rp = &world->spawns[ world->spawn_count ++ ];
-
-   v3_copy( pnode->co, rp->co );
-   v4_copy( pnode->q, rp->q );
-   rp->name = mdl_pstr( world->meta, pnode->pstr_name );
-}
-
-VG_STATIC void world_pct_water( world_instance *world, mdl_node *pnode )
-{
-   if( world->water.enabled )
-   {
-      vg_warn( "Multiple water surfaces in level! ('%s')\n", 
-               mdl_pstr( world->meta, pnode->pstr_name ));
-      return;
-   }
-
-   world->water.enabled = 1;
-   water_set_surface( world, pnode->co[1] );
-}
-
-VG_STATIC void world_pct_audio( world_instance *world, mdl_node *pnode )
-{
-   struct world_audio_thing *thing = &world->audio_things[
-                                      world->audio_things_count ];
-
-   memset( thing, 0, sizeof(struct world_audio_thing) );
-   struct classtype_audio *aud = mdl_get_entdata( world->meta, pnode );
-
-   v3_copy( pnode->co, thing->pos );
-   
-   thing->volume = aud->volume;
-   thing->range = pnode->s[0];
-
-   thing->flags = aud->flags;
-   thing->temp_embedded_clip.path = mdl_pstr( world->meta, aud->pstr_file );
-   thing->temp_embedded_clip.flags = aud->flags;
-
-   audio_clip_load( &thing->temp_embedded_clip, world_global.generic_heap );
-
-   pnode->sub_uid = world->audio_things_count;
-   world->audio_things_count ++;
-}
-
-VG_STATIC void world_pct_world_light( world_instance *world, mdl_node *pnode )
-{
-   struct world_light *light = &world->lights[ world->light_count ++ ];
-   light->node = pnode;
-   light->inf  = mdl_get_entdata( world->meta, pnode );
-
-   q_m3x3( pnode->q,   light->inverse_world );
-   v3_copy( pnode->co, light->inverse_world[3] );
-   m4x3_invert_affine( light->inverse_world, light->inverse_world );
-
-   light->angle_sin_cos[0] = sinf( light->inf->angle * 0.5f );
-   light->angle_sin_cos[1] = cosf( light->inf->angle * 0.5f );
-}
-
-VG_STATIC void world_pct_nonlocal_gate( world_instance *world, mdl_node *pnode )
-{
-   struct nonlocal_gate *gate = &world->nonlocal_gates[ 
-                                       world->nonlocalgate_count ++ ];
-   struct classtype_gate *inf = mdl_get_entdata( world->meta, pnode );
-
-   gate->working = 0;
-   gate->node = pnode;
-   gate->target_map_index = 0;
-   v2_copy( inf->dims, gate->gate.dims );
-}
-
-VG_STATIC void world_entities_process( world_instance *world )
-{
-   struct entity_instruction
-   {
-      enum classtype ct;
-      void (*process)( world_instance *world, mdl_node *pnode );
-   }
-   entity_instructions[] = 
-   {
-      { k_classtype_spawn,    world_pct_spawn },
-      { k_classtype_water,    world_pct_water },
-      { k_classtype_audio,    world_pct_audio },
-      { k_classtype_world_light, world_pct_world_light },
-      { k_classtype_nonlocal_gate, world_pct_nonlocal_gate }
-   };
-
-   for( int i=0; i<world->meta->info.node_count; i++ )
-   {
-      mdl_node *pnode = mdl_node_from_id( world->meta, i );
-
-      for( int j=0; j<vg_list_size(entity_instructions); j++ )
-      {
-         struct entity_instruction *instr = &entity_instructions[j];
-
-         if( pnode->classtype == instr->ct )
-         {
-            instr->process( world, pnode );
-            break;
-         }
-      }
-   }
-}
-VG_STATIC void world_link_nonlocal_gates( int index_a, int index_b )
-{
-   vg_info( "Linking non-local gates\n" );
-   world_instance *a = &world_global.worlds[ index_a ],
-                  *b = &world_global.worlds[ index_b ];
-
-   for( int i=0; i<a->nonlocalgate_count; i++ )
-   {
-      struct nonlocal_gate *ga = &a->nonlocal_gates[i];
-      struct classtype_gate *ga_inf = mdl_get_entdata( a->meta, ga->node );
-      const char *ga_name = mdl_pstr( a->meta, ga_inf->target );
-
-      for( int j=0; j<b->nonlocalgate_count; j++ )
-      {
-         struct nonlocal_gate *gb = &b->nonlocal_gates[j];
-         struct classtype_gate *gb_inf = mdl_get_entdata( b->meta, gb->node );
-         const char *gb_name = mdl_pstr( b->meta, gb_inf->target );
-
-         if( !strcmp( ga_name, gb_name ) )
-         {
-            vg_success( "Created longjump for ID '%s'\n", ga_name );
-
-            v4f qYflip;
-            q_axis_angle( qYflip, (v3f){0.0f,1.0f,0.0f}, VG_PIf );
-
-            /* TODO: Gates are created very wonkily. refactor. */
-            ga->target_map_index = index_b;
-            gb->target_map_index = index_a;
-            ga->working = 1;
-            gb->working = 1;
-
-            v4_copy( ga->node->q,  ga->gate.q[0] );
-            v4_copy( gb->node->q,  ga->gate.q[1] );
-            v3_copy( ga->node->co, ga->gate.co[0] );
-            v3_copy( gb->node->co, ga->gate.co[1] );
-
-            v4_copy( gb->node->q,  gb->gate.q[0] );
-            v4_copy( ga->node->q,  gb->gate.q[1] );
-            v3_copy( gb->node->co, gb->gate.co[0] );
-            v3_copy( ga->node->co, gb->gate.co[1] );
-
-            /* reverse B's direction */
-            q_mul( gb->gate.q[0], qYflip, gb->gate.q[0] );
-            q_mul( gb->gate.q[1], qYflip, gb->gate.q[1] );
-            q_normalize( gb->gate.q[0] );
-            q_normalize( gb->gate.q[1] );
-
-            gate_transform_update( &ga->gate );
-            gate_transform_update( &gb->gate );
-         }
-      }
-   }
-}
-#endif
-
-#if 0
-VG_STATIC float colour_luminance( v3f v )
-{
-   return v3_dot( v, (v3f){0.2126f, 0.7152f, 0.0722f} );
-}
-
-VG_STATIC float calc_light_influence( world_instance *world, v3f position, 
-                                      int light )
-{
-   struct world_light *world_light = &world->lights[ light ];
-   struct classtype_world_light *inf = world_light->inf;
-
-   v3f light_delta;
-   v3_sub( world_light->node->co, position, light_delta );
-   v3_muls( light_delta, 10.0f, light_delta );
-
-   float quadratic = v3_dot( light_delta, light_delta ),
-         attenuation = 1.0f/( 1.0f + quadratic );
-
-   float quadratic_light = attenuation * colour_luminance( inf->colour );
-
-   if( (inf->type == k_light_type_point) ||
-       (inf->type == k_light_type_point_nighttime_only) )
-   {
-      return quadratic_light;
-   }
-   else if( (inf->type == k_light_type_spot) ||
-            (inf->type == k_light_type_spot_nighttime_only) )
-   {
-      v3f dir;
-      q_mulv( world_light->node->q, (v3f){0.0f,1.0f,0.0f}, dir );
-
-      float spot_theta = vg_maxf( 0.0f, v3_dot( light_delta, dir ) ),
-            falloff    = spot_theta >= 0.0f? 1.0f: 0.0f;
-
-      return quadratic_light * falloff;
-   }
-   else
-      return 0.0f;
-}
-#endif
-
 VG_STATIC void world_generate( world_instance *world )
 {
    /* 
@@ -529,16 +241,23 @@ VG_STATIC void world_compute_light_indices( world_instance *world )
       icubes_max[i] = cubes_max[i];
    }
 
+   v3f cube_size;
+
    v3i icubes_count;
    v3i_sub( icubes_max, icubes_min, icubes_count );
    
    for( int i=0; i<3; i++ ){
-      icubes_count[i] = VG_MIN( 128, icubes_count[i]+1 );
-      cubes_max[i] = icubes_min[i] + icubes_count[i];
+      int clamped_count = VG_MIN( 128, icubes_count[i]+1 );
+      float clamped_max = icubes_min[i] + clamped_count,
+                    max = icubes_min[i] + icubes_count[i]+1;
+
+      icubes_count[i] = clamped_count;
+      cube_size[i] = (max / clamped_max) * k_light_cube_size;
+      cubes_max[i] = clamped_max;
    }
 
-   v3_muls( cubes_min, k_light_cube_size, cubes_min );
-   v3_muls( cubes_max, k_light_cube_size, cubes_max );
+   v3_mul( cubes_min, cube_size, cubes_min );
+   v3_mul( cubes_max, cube_size, cubes_max );
 
    for( int i=0; i<3; i++ ){
       float range = cubes_max[i]-cubes_min[i];
@@ -551,17 +270,13 @@ VG_STATIC void world_compute_light_indices( world_instance *world )
    int total_cubes = icubes_count[0]*icubes_count[1]*icubes_count[2];
 
    u32 *cubes_index = vg_linear_alloc( world_global.generic_heap, 
-                                       total_cubes * sizeof(u32) * 2.0f );
+                                       vg_align8(total_cubes*sizeof(u32)*2) );
                                        
    vg_info( "Computing light cubes (%d) [%f %f %f] -> [%f %f %f]\n", 
              total_cubes, cubes_min[0], -cubes_min[2], cubes_min[1],
                           cubes_max[0], -cubes_max[2], cubes_max[1] );
-
    v3_copy( cubes_min, world->ub_lighting.g_cube_min );
 
-   v3f cube_size;
-   v3_div( (v3f){1.0f,1.0f,1.0f}, world->ub_lighting.g_cube_inv_range, 
-            cube_size );
    float bound_radius = v3_length( cube_size );
 
    for( int iz = 0; iz<icubes_count[2]; iz ++ ){
@@ -717,10 +432,10 @@ VG_STATIC void world_post_process( world_instance *world )
 
          /* colour  + night */
          v3_muls( light->colour, light->colour[3] * 2.0f, light_dst[i*3+0] );
-         light_dst[i*3+0][3] = -1.0f;
+         light_dst[i*3+0][3] = 2.0f;
 
          if( !light->daytime ){
-            u32 hash = (i * 29986577) & 0xff;
+            u32 hash = (i * 29986577u) & 0xffu;
             float switch_on = hash;
                   switch_on *= (1.0f/255.0f);
 
@@ -804,13 +519,6 @@ VG_STATIC void world_post_process( world_instance *world )
    }
 
    vg_release_thread_sync();
-
-#if 0
-   /*
-    * Setup scene collider 
-    */
-   reset_player( 1, (const char *[]){"start"} );
-#endif
 }
 
 VG_STATIC void world_process_resources( world_instance *world )
@@ -821,7 +529,7 @@ VG_STATIC void world_process_resources( world_instance *world )
 
    world->texture_count = world->meta.textures.count+1;
    world->textures = vg_linear_alloc( world_global.generic_heap,
-                                      sizeof(GLuint)*world->texture_count );
+                              vg_align8(sizeof(GLuint)*world->texture_count) );
 
    vg_acquire_thread_sync();
    {
@@ -855,7 +563,7 @@ VG_STATIC void world_process_resources( world_instance *world )
 
    world->surface_count = world->meta.materials.count+1;
    world->surfaces = vg_linear_alloc( world_global.generic_heap,
-                           sizeof(struct world_surface)*world->surface_count );
+               vg_align8(sizeof(struct world_surface)*world->surface_count) );
 
    /* error material */
    struct world_surface *errmat = &world->surfaces[0];
@@ -905,17 +613,10 @@ VG_STATIC void world_unload( world_instance *world )
    vg_release_thread_sync();
 }
 
-VG_STATIC void world_clean( world_instance *world )
+VG_STATIC void world_init_blank( world_instance *world )
 {
    memset( &world->meta, 0, sizeof(mdl_context) );
 
-   /*
-    * TODO: Theres probably a better way to do this? */
-   /*       yep, find all members that can be memsetted to 0. this is probably
-    *       every member anyway, given the below is just setting to 0
-    *
-    *       also: rename clean to init? */
-
    world->textures = NULL;
    world->texture_count = 0;
    world->surfaces = NULL;
@@ -974,12 +675,62 @@ VG_STATIC void world_entities_init( world_instance *world )
       ent_gate *gate = mdl_arritm( &world->ent_gate, j );
       gate_transform_update( gate );
    }
+
+   /* water */
+   for( u32 j=0; j<mdl_arrcount(&world->ent_water); j++ ){
+      ent_water *water = mdl_arritm( &world->ent_water, j );
+      if( world->water.enabled ){
+         vg_warn( "Multiple water surfaces in level!\n" );
+         break;
+      }
+
+      world->water.enabled = 1;
+      water_set_surface( world, water->transform.co[1] );
+   }
+   
+   /* volumes */
+   for( u32 j=0; j<mdl_arrcount(&world->ent_volume); j++ ){
+      ent_volume *volume = mdl_arritm( &world->ent_volume, j );
+      mdl_transform_m4x3( &volume->transform, volume->to_world );
+      m4x3_invert_full( volume->to_world, volume->to_local );
+   }
+
+   /* audio packs */
+   for( u32 j=0; j<mdl_arrcount(&world->ent_audio); j++ ){
+      ent_audio *audio = mdl_arritm( &world->ent_audio, j );
+
+      for( u32 k=0; k<audio->clip_count; k++ ){
+         ent_audio_clip *clip = mdl_arritm( &world->ent_audio_clip,  
+                                             audio->clip_start+k );
+
+         if( clip->file.pack_size ){
+            u32 size = clip->file.pack_size,
+                offset = clip->file.pack_offset;
+
+            /* FIXME: Ditchable asset! */
+            void *data = mdl_arritm(&world->meta.pack, clip->file.pack_offset);
+
+            clip->clip.path = NULL;
+            clip->clip.flags = audio->flags;
+            clip->clip.data = data;
+            clip->clip.size = size;
+         }
+         else{
+            clip->clip.path = mdl_pstr( &world->meta, clip->file.pstr_path );
+            clip->clip.flags = audio->flags;
+            clip->clip.data = NULL;
+            clip->clip.size = 0;
+         }
+
+         audio_clip_load( &clip->clip, world_global.generic_heap );
+      }
+   }
 }
 
 VG_STATIC void world_load( world_instance *world, const char *path )
 {
    world_unload( world );
-   world_clean( world );
+   world_init_blank( world );
 
    vg_info( "Loading world: %s\n", path );
 
@@ -987,6 +738,8 @@ VG_STATIC void world_load( world_instance *world, const char *path )
    mdl_load_metadata_block( &world->meta, world_global.generic_heap );
    mdl_load_animation_block( &world->meta, world_global.generic_heap );
    mdl_load_mesh_block( &world->meta, world_global.generic_heap );
+
+   /* TODO: This should get a seperate memory area */
    mdl_load_pack_block( &world->meta, world_global.generic_heap );
 
    mdl_load_array( &world->meta, &world->ent_gate, 
@@ -1004,6 +757,14 @@ VG_STATIC void world_load( world_instance *world, const char *path )
                    "ent_checkpoint", world_global.generic_heap );
    mdl_load_array( &world->meta, &world->ent_route,
                    "ent_route", world_global.generic_heap );
+   mdl_load_array( &world->meta, &world->ent_water,
+                   "ent_water", world_global.generic_heap );
+   mdl_load_array( &world->meta, &world->ent_audio_clip,
+                   "ent_audio_clip", world_global.generic_heap );
+   mdl_load_array( &world->meta, &world->ent_audio,
+                   "ent_audio", world_global.generic_heap );
+   mdl_load_array( &world->meta, &world->ent_volume,
+                   "ent_volume", world_global.generic_heap );
 
    mdl_close( &world->meta );
 
@@ -1019,6 +780,11 @@ VG_STATIC void world_load( world_instance *world, const char *path )
 #endif
    world_routes_ent_init( world );
    world_entities_init( world );
+   world->volume_bh = bh_create( world_global.generic_heap,
+                                 &bh_system_volumes,
+                                 world,
+                                 mdl_arrcount( &world->ent_volume ),
+                                 1 );
    
    /* main bulk */
    world_generate( world );