world_volumes.c

   1 #ifndef WORLD_VOLUMES_C
   2 #define WORLD_VOLUMES_C
   3
   4 #include "world_volumes.h"
   5
   6 static void world_volumes_update( world_instance *world, v3f pos ){
   7    /* filter and check the existing ones */
   8    u32 j=0;
   9    for( u32 i=0; i<world_static.active_trigger_volume_count; i++ ){
  10       i32 idx = world_static.active_trigger_volumes[i];
  11       ent_volume *volume = mdl_arritm( &world->ent_volume, idx );
  12
  13       v3f local;
  14       m4x3_mulv( volume->to_local, pos, local );
  15       if( (fabsf(local[0]) <= 1.0f) &&
  16           (fabsf(local[1]) <= 1.0f) &&
  17           (fabsf(local[2]) <= 1.0f) )
  18       {
  19          world_static.active_trigger_volumes[ j ++ ] = idx;
  20          boxf cube = {{-1.0f,-1.0f,-1.0f},{1.0f,1.0f,1.0f}};
  21          vg_line_boxf_transformed( volume->to_world, cube, 0xff00ccff );
  22          /* triggr on stay ..... */
  23       }
  24       else{
  25          /* trigger on exit...... */
  26       }
  27    }
  28    world_static.active_trigger_volume_count = j;
  29
  30    static float random_accum = 0.0f;
  31    random_accum += vg.time_delta;
  32
  33    u32 random_ticks = 0;
  34
  35    while( random_accum > 0.1f ){
  36       random_accum -= 0.1f;
  37       random_ticks ++;
  38    }
  39
  40    float radius = 25.0f;
  41    boxf volume_proximity;
  42    v3_add( pos, (v3f){ radius, radius, radius }, volume_proximity[1] );
  43    v3_sub( pos, (v3f){ radius, radius, radius }, volume_proximity[0] );
  44
  45    bh_iter it;
  46    bh_iter_init_box( 0, &it, volume_proximity );
  47    i32 idx;
  48
  49    while( bh_next( world->entity_bh, &it, &idx ) ){
  50       u32 id    = world->entity_list[ idx ],
  51           type  = mdl_entity_id_type( id ),
  52           index = mdl_entity_id_id( id );
  53
  54       if( type != k_ent_volume ) continue;
  55
  56       ent_volume *volume = mdl_arritm( &world->ent_volume, index );
  57       boxf cube = {{-1.0f,-1.0f,-1.0f},{1.0f,1.0f,1.0f}};
  58
  59       if( volume->flags & k_ent_volume_flag_particles ){
  60          vg_line_boxf_transformed( volume->to_world, cube, 0xff00c0ff );
  61
  62          for( int j=0; j<random_ticks; j++ ){
  63             ent_call basecall;
  64             basecall.id = id;
  65             basecall.data = NULL;
  66             basecall.function = 0;
  67
  68             entity_call( world, &basecall );
  69          }
  70       }
  71       else{
  72          for( u32 i=0; i<world_static.active_trigger_volume_count; i++ )
  73             if( world_static.active_trigger_volumes[i] == index )
  74                goto next_volume;
  75
  76          if( world_static.active_trigger_volume_count >
  77                vg_list_size(world_static.active_trigger_volumes) ) continue;
  78
  79          v3f local;
  80          m4x3_mulv( volume->to_local, pos, local );
  81
  82          if( (fabsf(local[0]) <= 1.0f) &&
  83              (fabsf(local[1]) <= 1.0f) &&
  84              (fabsf(local[2]) <= 1.0f) ){
  85             ent_call basecall;
  86             basecall.function = 0;
  87             basecall.id = id;
  88             basecall.data = NULL;
  89
  90             entity_call( world, &basecall );
  91             world_static.active_trigger_volumes[
  92                world_static.active_trigger_volume_count ++ ] = index;
  93          }
  94          else
  95             vg_line_boxf_transformed( volume->to_world, cube, 0xffcccccc );
  96       }
  97 next_volume:;
  98    }
  99 }
 100
 101 #endif /* WORLD_VOLUMES_H */