X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=world_routes.c;h=529fdefcccfcf2bfbf416fdb6c94e264b290829a;hb=5d5d5f394cbe2212769bc58a70fa622b4ed46205;hp=a66f93ffc00e3f3d8c97d0a9503b694850f29ad7;hpb=342fcbf6fda017bdd38d56ce0fa7c9e59e589f3b;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/world_routes.c b/world_routes.c
index a66f93f..529fdef 100644
--- a/world_routes.c
+++ b/world_routes.c
@@ -268,6 +268,57 @@ void world_routes_pointcloud_spot( world_instance *world,
    }
 }
 
+/* 
+ *    '
+ *    .
+ *    |
+ *    |
+ *   /#\
+ * -'###`-
+ */
+VG_STATIC 
+void world_routes_pointcloud_tower( world_instance *world, 
+                                    pointcloud_buffer *pcbuf, 
+                                    v3f co, f32 radius, f32 height,
+                                    u32 samples, v4f colour )
+{
+   v3f inv_ext;
+   v3_sub( pcbuf->boundary[1], pcbuf->boundary[0], inv_ext );
+   v3_div( (v3f){1.0f,1.0f,1.0f}, inv_ext, inv_ext );
+
+   for( u32 j=0; j<samples; j++ ){
+      if( pcbuf->count >= pcbuf->max )
+         return;
+
+      pointcloud_vert *vert = &pcbuf->buf[ pcbuf->count ++ ];
+      
+      v3f point;
+      point[0] = vg_randf64()*2.0f-1.0f;
+      point[1] = 0.0f;
+      point[2] = vg_randf64()*2.0f-1.0f;
+      v3_normalize( point );
+      v3_muls( point, sqrtf(vg_randf64()), point );
+
+      f32 h = vg_randf64();
+      point[1] = h*h*h*height;
+      point[0] *= radius;
+      point[2] *= radius;
+
+      v3_add( point, co, point );
+      v3_sub( point, pcbuf->boundary[0], point );
+      v3_mul( point, inv_ext, point );
+
+      /* TODO....... */
+      for( u32 i=0; i<3; i++ ){
+         vert->pos[i] = (point[i]-0.5f) * 32767.0f;
+      }
+
+      for( u32 i=0; i<4; i++ ){
+         vert->colour[i] = colour[i] * 255.0f;
+      }
+   }
+}
+
 VG_STATIC 
 void world_routes_place_curve( world_instance *world, ent_route *route,
                                v4f h[3], v3f n0, v3f n2, scene_context *scene,
@@ -804,13 +855,39 @@ VG_STATIC void world_gen_routes_generate(void)
       f64 area = 0.0;
       area = world_routes_scatter_surface_points( world, pcbuf, 16.0f );
       world_routes_surface_grid( world, pcbuf );
+
+      for( u32 i=0; i<mdl_arrcount( &world->ent_gate ); i++ ){
+         ent_gate *gate = mdl_arritm( &world->ent_gate, i );
+
+         world_routes_pointcloud_tower( world, pcbuf, gate->co[0], 
+                                        2.0f, 50.0f, 128, 
+                                        (v4f){0.2f,0.2f,0.2f,1.0f} );
+      }
+
       vg_info( "Distrubuted %u points over %fkm^2!\n", 
                 pcbuf->count, area/1e6f );
+
+      if( world_loader.location == k_world_load_type_local ){
+         char path_buf[4096];
+         vg_str path;
+         vg_strnull( &path, path_buf, 4096 );
+         vg_strcat( &path, "maps/" );
+         vg_strcat( &path, world_loader.name );
+         vg_strcat( &path, "/preview.bin" );
+
+         if( !vg_strgood( &path ) ) vg_fatal_error( "Path too long\n" );
+         FILE *fp = fopen( path_buf, "wb" );
+         if( !fp ) vg_fatal_error( "Cannot open '%s' for writing\n", path_buf );
+         
+         fwrite( pcbuf, sizeof(pcbuf) + 
+                        sizeof(struct pointcloud_vert)*pcbuf->count, 1, fp );
+         fclose( fp );
+      }
+
       vg_async_dispatch( call_pointcloud, async_pointcloud_sub );
    }
 
    vg_async_dispatch( call_scene, async_scene_upload );
-
    world_routes_clear( world );
 }