Arena - allow air control when launching from spring

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.springing           = 0
 
     local s = gPlayerSyncTable[i]
     s.item     = ITEM_NONE
@@ -318,6 +319,14 @@ function on_set_mario_action(m)
         e.rotFrames = 0
     end
 
+    if m.playerIndex == 0 and is_player_active(m) ~= 0 then
+        if (m.action & ACT_FLAG_AIR) == 0 then
+            if e.springing == 1 then
+                e.springing = 0
+            end
+        end
+    end
+
     if s.item == ITEM_HAMMER then
         mario_hammer_on_set_action(m)
     end
@@ -450,6 +459,11 @@ function mario_update(m)
         m.marioBodyState.modelState = MODEL_STATE_METAL
     end
 
+    -- allow yaw change on springing
+    if e.springing == 1 then
+        m.faceAngle.y = m.intendedYaw - approach_s32(convert_s16(m.intendedYaw - m.faceAngle.y), 0, 0x400, 0x400)
+    end
+
     -- update player items
     if s.item == ITEM_HAMMER then
         mario_hammer_update(m)

mods/arena/arena-spring.lua

@@ -90,8 +90,11 @@ function bhv_arena_spring_launch(obj)
         set_mario_action(m, ACT_TRIPLE_JUMP, 0)
         m.vel.y = vel.y
         m.forwardVel = 0
+        local e = gMarioStateExtras[0]
+        e.springing = 1
     end
     obj.oArenaSpringSprung = 15
+
     network_send_object(obj, false)
 end
 

mods/arena/arena-utils.lua

@@ -24,6 +24,18 @@ function clamp(val, min, max)
     return val
 end
 
+function convert_s16(num)
+    local min = -32768
+    local max = 32767
+    while (num < min) do
+        num = max + (num - min)
+    end
+    while (num > max) do
+        num = min + (num - max)
+    end
+    return num
+end
+
 function mario_health_float(m)
     return clamp((m.health - 255) / (2176 - 255), 0, 1)
 end