Arena: ladder update and typo fix

the only behavior param now is ladder height
ladders' orientation (yaw) is now simply set by the object's yaw
when adding ladders in fast64, the cone empty is recommended

mods/arena/arena-ladder.lua

@@ -1,20 +1,17 @@
 ACT_LADDER = allocate_mario_action(ACT_GROUP_AIRBORNE | ACT_FLAG_AIR)
 
-
 -- behavior params:
 
--- ladder height|ladder orientation (0..3)
--- ex:  13881 <--
--- height^^|| orientation
--- 1388    .. 1
+-- ladder height
+-- ex:  1388
+-- object yaw = ladder yaw
 
 local sLadderClimb = 0
 
 ---@param obj Object
 function bhv_arena_ladder_init(obj)
     obj.hitboxRadius = 40
-    obj.hitboxHeight = math.floor(obj.oBehParams * 0.1)
-    obj.oFaceAngleYaw = (obj.oBehParams - math.floor(obj.oBehParams * 0.1) * 10) * 16384 - 32768
+    obj.hitboxHeight = obj.oBehParams
 end
 
 id_bhvArenaLadder = hook_behavior(nil, OBJ_LIST_LEVEL, true, bhv_arena_ladder_init, nil)
@@ -23,14 +20,15 @@ id_bhvArenaLadder = hook_behavior(nil, OBJ_LIST_LEVEL, true, bhv_arena_ladder_in
 function mario_check_for_ladder(m)
     local ladder = obj_get_nearest_object_with_behavior_id(m.marioObj, id_bhvArenaLadder)
     if ladder == nil then return end
-    if m.action & ACT_FLAG_ATTACKING ~= 0 and lateral_dist_between_objects(m.marioObj, ladder) < ladder.hitboxRadius + m.marioObj.hitboxRadius and m.pos.y < ladder.oPosY + ladder.hitboxHeight and m.pos.y > ladder.oPosY then
+    if m.action & ACT_FLAG_ATTACKING ~= 0 and lateral_dist_between_objects(m.marioObj, ladder) < ladder.hitboxRadius + m.marioObj.hitboxRadius and m.pos.y < ladder.oPosY + ladder.hitboxHeight and m.pos.y + m.marioObj.hitboxHeight > ladder.oPosY then
         set_mario_action(m, ACT_LADDER, 0)
+        gMarioStateExtras[m.playerIndex].ladder = ladder
     end
 end
 
 ---@param m MarioState
 function act_ladder(m)
-    local ladder = obj_get_nearest_object_with_behavior_id(m.marioObj, id_bhvArenaLadder)
+    local ladder = gMarioStateExtras[m.playerIndex].ladder
 
     m.vel.x = 0
     m.vel.y = 0
@@ -67,7 +65,8 @@ function act_ladder(m)
     if (m.input & (INPUT_A_PRESSED | INPUT_B_PRESSED)) ~= 0 then
         set_mario_action(m,ACT_FREEFALL,0)
         m.vel.y = m.controller.rawStickY * 0.2
+        gMarioStateExtras[m.playerIndex].ladder = nil
     end
 end
 
-hook_mario_action(ACT_LADDER, { every_frame = act_ladder })
+hook_mario_action(ACT_LADDER, { every_frame = act_ladder })

mods/arena/arena-player.lua

@@ -15,6 +15,7 @@ for i = 0, (MAX_PLAYERS - 1) do
     e.prevHurtCounter     = 0
     e.levelTimer          = 0
     e.levelTimerLevel     = 0
+    e.ladder              = nil
 
     local s = gPlayerSyncTable[i]
     s.item     = ITEM_NONE
@@ -386,7 +387,7 @@ function mario_local_update(m)
 
     -- prevent water heal
     if m.health >= 0x100 then
-        if m.healthCounter == 0 and m.hurtCounter == 0 then
+        if m.healCounter == 0 and m.hurtCounter == 0 then
             if ((m.action & ACT_FLAG_SWIMMING ~= 0) and (m.action & ACT_FLAG_INTANGIBLE == 0)) then
                 if ((m.pos.y >= (m.waterLevel - 140)) and not (m.area.terrainType & TERRAIN_SNOW ~= 0)) then
                     m.health = m.health - 0x1A