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          ent_call basecall;
  27          basecall.function = k_ent_function_trigger_leave;
  28          basecall.id = mdl_entity_id( k_ent_volume, idx );
  29          basecall.data = NULL;
  30
  31          entity_call( world, &basecall );
  32       }
  33    }
  34    world_static.active_trigger_volume_count = j;
  35
  36    static float random_accum = 0.0f;
  37    random_accum += vg.time_delta;
  38
  39    u32 random_ticks = 0;
  40
  41    while( random_accum > 0.1f ){
  42       random_accum -= 0.1f;
  43       random_ticks ++;
  44    }
  45
  46    float radius = 32.0f;
  47
  48    bh_iter it;
  49    bh_iter_init_range( 0, &it, pos, radius );
  50    i32 idx;
  51
  52    while( bh_next( world->entity_bh, &it, &idx ) ){
  53       u32 id    = world->entity_list[ idx ],
  54           type  = mdl_entity_id_type( id ),
  55           index = mdl_entity_id_id( id );
  56
  57       if( type != k_ent_volume ) continue;
  58
  59       ent_volume *volume = mdl_arritm( &world->ent_volume, index );
  60       boxf cube = {{-1.0f,-1.0f,-1.0f},{1.0f,1.0f,1.0f}};
  61
  62       if( volume->flags & k_ent_volume_flag_particles ){
  63          vg_line_boxf_transformed( volume->to_world, cube, 0xff00c0ff );
  64
  65          for( int j=0; j<random_ticks; j++ ){
  66             ent_call basecall;
  67             basecall.id = id;
  68             basecall.data = NULL;
  69             basecall.function = 0;
  70
  71             entity_call( world, &basecall );
  72          }
  73       }
  74       else{
  75          for( u32 i=0; i<world_static.active_trigger_volume_count; i++ )
  76             if( world_static.active_trigger_volumes[i] == index )
  77                goto next_volume;
  78
  79          if( world_static.active_trigger_volume_count >
  80                vg_list_size(world_static.active_trigger_volumes) ) continue;
  81
  82          v3f local;
  83          m4x3_mulv( volume->to_local, pos, local );
  84
  85          if( (fabsf(local[0]) <= 1.0f) &&
  86              (fabsf(local[1]) <= 1.0f) &&
  87              (fabsf(local[2]) <= 1.0f) ){
  88             ent_call basecall;
  89             basecall.function = 0;
  90             basecall.id = id;
  91             basecall.data = NULL;
  92
  93             entity_call( world, &basecall );
  94             world_static.active_trigger_volumes[
  95                world_static.active_trigger_volume_count ++ ] = index;
  96          }
  97          else
  98             vg_line_boxf_transformed( volume->to_world, cube, 0xffcccccc );
  99       }
 100 next_volume:;
 101    }
 102 }
 103
 104 #endif /* WORLD_VOLUMES_H */