From 15058fa7f87c75085d8ddbf001c104cbf2b1f9bd Mon Sep 17 00:00:00 2001
From: a327ex <adonaac@gmail.com>
Date: Wed, 19 May 2021 02:21:08 -0300
Subject: [PATCH] Bug fixes

---
 enemies.lua       | 3 ++-
 engine/init.lua   | 1 +
 engine/system.lua | 6 +++++-
 player.lua        | 2 +-
 4 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/enemies.lua b/enemies.lua
index 798f840..d1b6ec9 100644
--- a/enemies.lua
+++ b/enemies.lua
@@ -392,9 +392,10 @@ function Seeker:hit(damage, projectile)
   if self.push_invulnerable then return end
   self:show_hp()
   
-  local actual_damage = self:calculate_damage(damage)*(self.stun_dmg_m or 1)*(self.bane_dmg_m or 1)
+  local actual_damage = math.max(self:calculate_damage(damage)*(self.stun_dmg_m or 1)*(self.bane_dmg_m or 1), 0)
   if self.vulnerable then actual_damage = actual_damage*1.2 end
   self.hp = self.hp - actual_damage
+  if self.hp > self.max_hp then self.hp = self.max_hp end
   main.current.damage_dealt = main.current.damage_dealt + actual_damage
 
   if projectile and projectile.spawn_critters_on_hit then
diff --git a/engine/init.lua b/engine/init.lua
index a1fb606..096227c 100644
--- a/engine/init.lua
+++ b/engine/init.lua
@@ -48,6 +48,7 @@ function engine_run(config)
     love.filesystem.setIdentity(config.game_name)
     steam.init()
     system.load_state()
+    if type(state) ~= 'table' then state = {} end
 
     local _, _, flags = love.window.getMode()
     local window_width, window_height = love.window.getDesktopDimensions(flags.display)
diff --git a/engine/system.lua b/engine/system.lua
index 778e40c..50cc0b8 100644
--- a/engine/system.lua
+++ b/engine/system.lua
@@ -120,7 +120,11 @@ end
 
 function system.save_state()
   if not system.does_file_exist(love.filesystem.getSaveDirectory()) then love.filesystem.createDirectory("") end
-  binser.w(state_path, state or {})
+  local file = io.open(state_path, "r")
+  if file then
+    file:close()
+    binser.w(state_path, state or {})
+  end
 end
 
 
diff --git a/player.lua b/player.lua
index 3c2a10f..ede404d 100644
--- a/player.lua
+++ b/player.lua
@@ -1438,7 +1438,7 @@ function Projectile:on_collision_enter(other, contact)
       self:die(x, y, r, 0)
       knife_hit_wall1:play{pitch = random:float(0.9, 1.1), volume = 0.2}
       local r = Unit.bounce(self, nx, ny)
-      trigger:after(0.01, function()
+      self.parent.t:after(0.01, function()
         WallKnife{group = main.current.main, x = x, y = y, r = r, v = self.v*0.1, color = self.color}
       end)
       if self.character == 'spellblade' then