--- a/mm7_2.cpp	Fri Jul 26 21:16:51 2013 +0200
+++ b/mm7_2.cpp	Fri Jul 26 22:19:29 2013 +0200
@@ -5367,7 +5367,7 @@
   assert(sizeof(IndoorCamera) == 0x50);
   assert(sizeof(Bloodsplat) == 0x28);
   assert(sizeof(BloodsplatContainer) == 0xA0C);
-  assert(sizeof(stru167) == 0x18);
+  assert(sizeof(TrailParticle) == 0x18);
   assert(sizeof(EventIndex) == 0xC);
   assert(sizeof(_2devent) == 0x34);
   assert(sizeof(stru176) == 0x20);
@@ -5775,7 +5775,7 @@
       outdoor_grid_band_2 = 15;
       outdoor_grid_band_3 = 20;
       pOutdoorCamera->shading_dist_mist = 8192;
-      pOutdoorCamera->bNoSky = 0;
+      pOutdoorCamera->bNoSky = false;
       LOBYTE(viewparams->field_20) = 0;
     }
     mipmapping_terrain_mm1 = 1024;
@@ -5789,7 +5789,11 @@
     mipmapping_building_mm3 = 4096;
     pOutdoorCamera->shading_dist_shademist = 4096;
     pOutdoorCamera->outdoor_no_wavy_water = 0;
-    sub_47F4D3(outdoor_grid_band_1, outdoor_grid_band_2, outdoor_grid_band_3);
+    //_47F4D3_initialize_terrain_bezier_stuff(outdoor_grid_band_1, outdoor_grid_band_2, outdoor_grid_band_3);
+    {
+      pOutdoorCamera->outdoor_grid_band_3 = outdoor_grid_band_3;
+      pOutdoorCamera->uPickDepth = outdoor_grid_band_3 * 512;
+    }
   }
   else
   {
@@ -7227,8 +7231,8 @@
     v2->uSpriteFrameID = 0;
     v147 = v38;
     stru_50FE08.Add(v38, 512, v40, v39, v37, 0, 0);
-    if ( HIBYTE(v3->uFlags) & 1 )
-      array_5118E8._440E91(v2->vPosition.x, v2->vPosition.y, v2->vPosition.z, 0, v3->uParticleTrailColor);
+    if (v3->uFlags & OBJECT_DESC_TRIAL_PARTICLE)
+      trail_particle_generator.GenerateTrailParticles(v2->vPosition.x, v2->vPosition.y, v2->vPosition.z, v3->uParticleTrailColor);
     v133 = 0;
     v131 = 0;
     v130 = 0;
@@ -7285,12 +7289,11 @@
         v2->vVelocity.z = v32;
         v149 = v102;
         stru_50FE08.Add(v102, 512, v104, v103, v101, v100, v32);
-        if ( HIBYTE(v3->uFlags) & 1 )
-          array_5118E8._440E91(
+        if (v3->uFlags & OBJECT_DESC_TRIAL_PARTICLE)
+          trail_particle_generator.GenerateTrailParticles(
             v2->vPosition.x,
             v2->vPosition.y,
             v2->vPosition.z,
-            v32,
             v3->uParticleTrailColor);
         v105 = v2->uSoundID;
         if ( v105 == (short)v32 )