CLOSES #455, CLOSES #487, CLOSES #501, CLOSES #540, CLOSES #585, CLOSES #591, CLOSES #593, CLOSES #595, CLOSES #597, CLOSES #599, CLOSES #600, CLOSES #606, CLOSES #607, CLOSES #610, CLOSES #613, CLOSES #616, CLOSES #620, CLOSES #626, CLOSES #632, CLOSES #633, CLOSES #647

src/battle/BattleState.lua

@@ -5221,11 +5221,12 @@ function BattleState:drawHUDs(slide)
     self:drawBallRow(self.enemyParty, 64, 16, -8)
   end
 
-  -- Safari shows only the ball count; the old man demo shows neither mon
-  if self.safari then
-    love.graphics.setColor(0, 0, 0, 1)
-    Font.draw(("BALLx%2d"):format(self.safari.balls), 88, 72)
-  end
+  -- A safari / old-man battle has no player mon out, so no player HUD (see
+  -- hidePlayer below).  Nothing takes its place: PrintSafariZoneSteps -- the
+  -- "nnn/500 / BALLx nn" box -- is start-menu only and returns early off the
+  -- nine interior maps (engine/overworld/player_state.asm:219-224), so no
+  -- ball count belongs over the battlefield.  The count lives in the BALL
+  -- menu item instead (drawTextArea, #540).
   -- Party pokeball rows and the HUD chrome under them, for exactly the
   -- window DrawAllPokeballs owns (common_text.asm:27, with the intro text).
   -- SetupOwnPartyPokeballs runs in EVERY battle, so the player's row belongs
@@ -5330,6 +5331,11 @@ function BattleState:drawTextArea()
       Font.drawBox(0, 12, 20, 6)
       Font.draw(Strings("BALLx"), 16, 112); Font.draw(Strings("BAIT"), 112, 112)
       Font.draw(Strings("THROW ROCK"), 16, 128); Font.draw(Strings("RUN"), 112, 128)
+      -- DisplayBattleMenu .safariLeftColumn / .safariRightColumn print
+      -- wNumSafariBalls at hlcoord 7,14 with `lb bc, 1, 2` -- one byte, two
+      -- digits, space padded -- right after the "BALLx" label at columns
+      -- 2..6 (engine/battle/core.asm:2074-2079, 2107-2112) (#540)
+      Font.draw(("%2d"):format(self.safari.balls), 56, 112)
       Font.drawCode(0xED, (col == 0 and 8 or 104), 112 + row * 16)
     else
       -- BATTLE_MENU_TEMPLATE: box (8,12)-(19,17), "FIGHT <PK><MN> /

src/battle/MoveEffects.lua

@@ -435,8 +435,18 @@ local function drainHalf(text)
   end
 end
 
--- fixed damage still respects type immunity (AdjustDamageForMoveType
--- flags the miss before the special-damage override)
+-- OHKO is the only "damage but not through normal calculations" family
+-- that still runs the type chart.  CalculateDamage hands OHKO_EFFECT to
+-- JumpToOHKOMoveEffect (engine/battle/core.asm:4329) and, when the effect
+-- did not set wMoveMissed, execution falls through to
+-- AdjustDamageForMoveType (core.asm:3147), which multiplies the 65535 by
+-- the 0 matchup and flags the miss.  Fixed damage and Super Fang do not:
+-- they are the SetDamageEffects table (data/battle/set_damage_effects.asm)
+-- and core.asm:3139 jumps straight to MoveHitTest, skipping
+-- CalculateDamage, AdjustDamageForMoveType and RandomizeDamage, while
+-- ApplyAttackToEnemyPokemon (core.asm:4612) writes wDamage with no
+-- effectiveness step.  So in Gen 1 NIGHT_SHADE hits Normal-types and
+-- SUPER_FANG hits Ghosts, and only OHKO_EFFECT calls this (#616).
 local function immuneMsg(ctx)
   if TypeChart.effectiveness(ctx.move.type, ctx.target.curTypes) == 0 then
     return Strings("It doesn't affect\n%s!", displayName(ctx.target))
@@ -466,8 +476,7 @@ MoveEffects.full = {
 
   SPECIAL_DAMAGE_EFFECT = {
     chooseDamage = function(ctx)
-      local blocked = immuneMsg(ctx)
-      if blocked then return nil, blocked end
+      -- no immunity check: SetDamageEffects skips AdjustDamageForMoveType (#616)
       local dmg = fixedDamageFor(ctx)
       if not dmg then return nil, "But, it failed!" end
       return dmg, plainInfo()
@@ -475,8 +484,7 @@ MoveEffects.full = {
   },
   SUPER_FANG_EFFECT = {
     chooseDamage = function(ctx)
-      local blocked = immuneMsg(ctx)
-      if blocked then return nil, blocked end
+      -- also SetDamageEffects: halves a Ghost's HP in Gen 1 (#616)
       return math.max(1, math.floor(ctx.target.mon.hp / 2)), plainInfo()
     end,
   },

src/battle/WideBattle.lua

@@ -134,12 +134,13 @@ local function drawHUDs(battle, slide)
     drawStatusPanel(battle, battle.enemy, 0, 0, false)
   end
 
-  if battle.safari then
-    Font.drawBox(23, 7, 15, 4)
-    love.graphics.setColor(0, 0, 0, 1)
-    Font.draw(("BALLx%2d"):format(battle.safari.balls), 200, 72)
-  elseif battle.player and not battle.demo and not battle.showPlayerBack
-      and slide == 0 then
+  -- No player status panel in a safari / old-man battle: no mon of the
+  -- player's is out.  Nothing replaces it either -- the ball count is a menu
+  -- item, not a HUD element (DisplayBattleMenu prints wNumSafariBalls inside
+  -- the battle menu box, engine/battle/core.asm:2074-2079), so it rides in
+  -- drawCommandMenu below like the classic layout's (#540).
+  if not battle.safari and battle.player and not battle.demo
+      and not battle.showPlayerBack and slide == 0 then
     drawStatusPanel(battle, battle.player, 184, 56, true)
   end
   drawIntroBalls(battle)
@@ -172,6 +173,9 @@ local function drawCommandMenu(battle)
     Font.drawBox(0, 13, 38, 5)
     love.graphics.setColor(0, 0, 0, 1)
     Font.draw(Strings("BALLx"), 16, 112)
+    -- wNumSafariBalls immediately after the label, as at hlcoord 7,14
+    -- (engine/battle/core.asm:2074-2079) (#540)
+    Font.draw(("%2d"):format(battle.safari.balls), 56, 112)
     Font.draw(Strings("BAIT"), 168, 112)
     Font.draw(Strings("THROW ROCK"), 16, 128)
     Font.draw(Strings("RUN"), 168, 128)