hpchange: add (nonworking) potential change marker

clientmods/hpchange/init.lua

@@ -15,7 +15,7 @@ local function show_widget()
     })
 end
 
-local function update_hud(delta)
+local function update_hud(delta, potential)
     if minetest.localplayer ~= nil and delta ~= 0 then
         if widget == nil then
             show_widget()
@@ -28,7 +28,11 @@ local function update_hud(delta)
             num = "+" .. num
         end
 
-        minetest.localplayer:hud_change(widget, "text", "Last HP change: " .. num)
+        if potential then
+            minetest.localplayer:hud_change(widget, "text", "Last HP change (potential): " .. num)
+        else
+            minetest.localplayer:hud_change(widget, "text", "Last HP change: " .. num)
+        end
 
         if delta > 0 then
             minetest.localplayer:hud_change(widget, "number", 0x00FF00)
@@ -42,16 +46,30 @@ local function update_hud(delta)
     end
 end
 
+local function init_last()
+    if last_hp == nil and minetest.localplayer ~= nil then
+        last_hp = minetest.localplayer:get_hp()
+    end
+end
+
 -- health decrease (potential)
 minetest.register_on_damage_taken(function(hp)
-    update_hud(-hp)
+    if minetest.localplayer ~= nil then
+        -- this should be true if no fall damage is on
+        -- the localplayer hp is wrong though
+        if last_hp == minetest.localplayer:get_hp() then
+            update_hud(-hp, true)
+        else
+            update_hud(-hp)
+        end
+
+        init_last()
+    end
 end)
 
 -- health increase
 minetest.register_on_hp_modification(function(hp)
-    if last_hp == nil and minetest.localplayer ~= nil then
-        last_hp = minetest.localplayer:get_hp()
-    end
+    init_last()
 
     if last_hp ~= nil and last_hp <= hp then
         update_hud(hp - last_hp)