misc bugfixes

mods/grenades_basic/init.lua

@@ -63,7 +63,7 @@ grenades.register_grenade("grenades_basic:frag", {
  remove_flora(pos, radius/2)
 
  for _, v in ipairs(minetest.get_objects_inside_radius(pos, radius)) do
- local hit = minetest.raycast(pos, v:get_pos(), true, true):next()
+ local hit = v:get_pos() and minetest.raycast(pos, v:get_pos(), true, true):next()
 
  if hit and v:is_player() and v:get_hp() > 0 and hit.type == "object" and hit.ref:is_player() and
  hit.ref:get_player_name() == v:get_player_name() then
@@ -303,7 +303,7 @@ minetest.register_globalstep(function(dtime)
  playercontrol.set_effect(player:get_player_name(), "speed", nil, "teargas", true)
  else
  player:set_fov(0, false, 1)
- player:set_physics_override({speed = .9})
+ player:set_physics_override({speed = 1})
  end
  gaseffecttbl[name] = nil
  return

mods/medical/vitals.lua

@@ -55,7 +55,7 @@ local function end_unconscious(player)
  end
  medical.data[name].unconscious = nil
  medical.data[name].hp = nil
- if player:get_attach() and player:get_attach():get_luaentity().name == "medical:unconsciousattach" then
+ if player:get_attach() and player:get_attach():get_luaentity() and player:get_attach():get_luaentity().name == "medical:unconsciousattach" then
  player:set_detach()
  else
  medical.detach(name)

mods/spriteguns/invspace.lua

@@ -22,6 +22,8 @@ minetest.register_entity("spriteguns:gunitem",{
 local function get_weapons(player)
  local name = player:get_player_name()
  local inv = player:get_inventory()
+ assert(name, "invalid player")
+ assert(inv, "invalid inventory")
  local lists = inv:get_lists()
  local weapons = {}
  for list, data in pairs(lists) do