semantics and world reloading

[carveJwlIkooP6JGAAIwe30JlM.git] / world.h

diff --git a/world.h b/world.h
index 68c3f2b2ed4e9217fda06834e979f50f4cda5ca6..66b3b28f2c0b14a961cf7ea04ef4b27321332cc7 100644 (file)
--- a/world.h
+++ b/world.h
@@ -62,11 +62,11 @@ struct world_instance {
     */
 
    void *heap;
-   char  world_name[ 64 ];
    enum world_status{
       k_world_status_unloaded = 0,
       k_world_status_loading = 1,
-      k_world_status_loaded = 2
+      k_world_status_loaded = 2,
+      k_world_status_unloading = 3  /* dont spawn sounds and stuff */
    }
    status;
 
@@ -127,7 +127,6 @@ struct world_instance {
    float probabilities[3];
 
    v3i light_cubes;
-
    struct framebuffer heightmap;
 
    /*
@@ -206,6 +205,7 @@ struct world_global{
     * --------------------------------------------------------------------------
     */
    void *heap;
+   char *load_target;
 
    /* rendering */
    glmesh skydome;
@@ -239,8 +239,6 @@ struct world_global{
    v3f render_gate_pos;
    int in_volume;
 
-   int switching_to_new_world;
-
    world_instance worlds[4];
    u32            active_world;
 
@@ -441,6 +439,12 @@ VG_STATIC void ent_volume_call( world_instance *world, ent_call *call )
 
 VG_STATIC void ent_audio_call( world_instance *world, ent_call *call )
 {
+   if( world->status == k_world_status_unloading ){
+      vg_warn( "cannot modify audio while unloading world\n" );
+      return;
+   }
+
+   u8 world_id = (world - world_global.worlds) + 1;
    u32 index = mdl_entity_id_id( call->id );
    ent_audio *audio = mdl_arritm( &world->ent_audio, index );
 
@@ -468,7 +472,6 @@ VG_STATIC void ent_audio_call( world_instance *world, ent_call *call )
       bar += p;
 
       if( chance < bar ){
-
          audio_lock();
 
          if( audio->behaviour == k_channel_behaviour_unlimited ){
@@ -484,6 +487,7 @@ VG_STATIC void ent_audio_call( world_instance *world, ent_call *call )
             if( ch ){
                audio_channel_init( ch, &clip->clip, audio->flags );
                audio_channel_group( ch, audio->group );
+               audio_channel_world( ch, world_id );
                audio_channel_set_spacial( ch, sound_co, audio->transform.s[0] );
                audio_channel_edit_volume( ch, audio->volume, 1 );
                ch = audio_relinquish_channel( ch );
@@ -515,6 +519,7 @@ VG_STATIC void ent_audio_call( world_instance *world, ent_call *call )
             if( ch ){
                audio_channel_init( ch, &clip->clip, audio->flags );
                audio_channel_group( ch, audio->group );
+               audio_channel_world( ch, world_id );
                audio_channel_fadein( ch, audio->crossfade );
                ch = audio_relinquish_channel( ch );
             }
@@ -526,6 +531,28 @@ VG_STATIC void ent_audio_call( world_instance *world, ent_call *call )
    }
 }
 
+/* finds any active playing in world and fades them out, we can only do this 
+ * while unloading */
+VG_STATIC void world_fadeout_audio( world_instance *world )
+{
+   if( world->status != k_world_status_unloading ){
+      vg_fatal_error( "World status must be set to 'unloading', to fadeout"
+                      " audio.\n" );
+   }
+
+   u8 world_id = (world - world_global.worlds) + 1;
+
+   audio_lock();
+   for( u32 i=0; i<AUDIO_CHANNELS; i++ ){
+      audio_channel *ch = &vg_audio.channels[i];
+
+      if( ch->allocated && (ch->world_id == world_id) ){
+         ch = audio_channel_fadeout( ch, 1.0f );
+      }
+   }
+   audio_unlock();
+}
+
 VG_STATIC void world_update( world_instance *world, v3f pos )
 {
    world_global.sky_time += world_global.sky_rate * vg.time_delta;