NPCs can play each other

Some timing tweaks and TODOs.
Cluster global state tighter together.

src/announcer.lua

@@ -23,7 +23,7 @@ function Announcer.new()
     }, { __index = Announcer })
 end
 
-local DurationMs <const> = 3000
+local DurationMs <const> = 2000
 
 function Announcer:popIn()
     self.animatorY = AnnouncerAnimatorInY

src/baserunning.lua

@@ -17,6 +17,8 @@
 ---@field onThirdOut fun()
 Baserunning = {}
 
+-- TODO: Implement slides. Would require making fielders' gloves "real objects" whose state is tracked.
+
 ---@param announcer any
 ---@return Baserunning
 function Baserunning.new(announcer, onThirdOut)
@@ -196,6 +198,9 @@ function Baserunning:updateRunner(runner, runnerIndex, appliedSpeed, deltaSecond
         end
     end
 
+    -- TODO: Make this less "sticky" for the user.
+    -- Currently it can be a little hard to run *past* a base.
+
     local autoRun = (nearestBaseDistance > 40 or runner.forcedTo) and mult * autoRunSpeed
         or nearestBaseDistance < 5 and 0
         or (nearestBase == runner.nextBase and autoRunSpeed or -1 * autoRunSpeed)

src/fielding.lua

@@ -5,6 +5,8 @@
 ---   speed: number,
 --- }
 
+-- TODO: Run down baserunners in a pickle.
+
 -- selene: allow(unscoped_variables)
 ---@class Fielding
 ---@field fielders table<string, Fielder>
@@ -117,6 +119,9 @@ function Fielding:updateFielderPositions(ball, deltaSeconds)
             fielderTouchingBall = fielder
         end
     end
+    -- TODO: The need is growing for a distinction between touching the ball and holding the ball.
+    -- Or, at least, fielders need to start *stopping* the ball when they make contact with it.
+    -- Right now, a line-drive *through* first will be counted as an out.
     self.fielderTouchingBall = fielderTouchingBall
     return fielderTouchingBall
 end

src/main.lua

@@ -42,15 +42,23 @@ local gfx <const>, C <const> = playdate.graphics, C
 
 local announcer = Announcer.new()
 local fielding = Fielding.new()
+-- TODO: Find a way to get baserunning and npc instantiated closer to the top, here.
+-- Currently difficult because they depend on nextHalfInning/each other.
 
----@alias SimpleAnimator { currentValue: fun(self): number; reset: fun(self, durationMs: number | nil) }
+------------------
+-- GLOBAL STATE --
+------------------
 
 local deltaSeconds = 0
-
 local ball = Ball.new(gfx.animator)
 
----@alias Team { score: number, benchPosition: XyPair }
+local batBase <const> = utils.xy(C.Center.x - 34, 215)
+local batTip <const> = utils.xy(0, 0)
+local batAngleDeg = C.CrankOffsetDeg
 
+local catcherThrownBall = false
+
+---@alias Team { score: number, benchPosition: XyPair }
 ---@type table<string, Team>
 local teams <const> = {
     home = {
@@ -63,25 +71,28 @@ local teams <const> = {
     },
 }
 
-local UserTeam <const> = teams.away
-local battingTeam = teams.away
-local battingTeamSprites = AwayTeamSprites
-local fieldingTeamSprites = HomeTeamSprites
-local runnerBlipper = battingTeam == teams.away and AwayTeamBlipper or HomeTeamBlipper
 local inning = 1
+
+local battingTeam = teams.away
 local offenseState = C.Offense.batting
 
 -- TODO: Replace with timers, repeatedly reset, instead of constantly setting to 0
 local secondsSinceLastRunnerMove = 0
-local secondsSincePitchAllowed = -5
+local secondsSincePitchAllowed = 0
 
-local catcherThrownBall = false
+-- These are only sort-of global state. They are purely graphical,
+-- but they need to be kept in sync with the rest of the globals.
+local runnerBlipper = battingTeam == teams.away and AwayTeamBlipper or HomeTeamBlipper
+local battingTeamSprites = AwayTeamSprites
+local fieldingTeamSprites = HomeTeamSprites
 
-local batBase <const> = utils.xy(C.Center.x - 34, 215)
+-------------------------
-local batTip <const> = utils.xy(0, 0)
+-- END OF GLOBAL STATE --
+-------------------------
 
-local batAngleDeg = C.CrankOffsetDeg
+local UserTeam <const> = teams.away
 
+---@alias SimpleAnimator { currentValue: fun(self): number; reset: fun(self, durationMs: number | nil) }
 ---@alias Pitch { x: SimpleAnimator, y: SimpleAnimator, z: SimpleAnimator | nil }
 
 ---@type Pitch[]
@@ -113,8 +124,12 @@ local Pitches <const> = {
     },
 }
 
----@return boolean userIsOnSide, boolean playerIsOnOtherSide
+---@return boolean userIsOnSide, boolean userIsOnOtherSide
 local function userIsOn(side)
+    if UserTeam == nil then
+        -- Both teams are NPC-driven
+        return false, false
+    end
     local ret
     if UserTeam == battingTeam then
         ret = side == C.Sides.offense
@@ -124,13 +139,7 @@ local function userIsOn(side)
     return ret, not ret
 end
 
---- Launches the ball from its current position to the given destination.
+---@type LaunchBall
----@param destX number
----@param destY number
----@param easingFunc EasingFunc
----@param flyTimeMs number | nil
----@param floaty boolean | nil
----@param customBallScaler pd_animator | nil
 local function launchBall(destX, destY, easingFunc, flyTimeMs, floaty, customBallScaler)
     throwMeter:reset()
     ball:launch(destX, destY, easingFunc, flyTimeMs, floaty, customBallScaler)
@@ -174,10 +183,15 @@ local function nextHalfInning()
         announcer:say("SWITCHING SIDES...")
     end
 
-    -- TODO: Make the overlay handle its own dang delay.
+    if gameOver then
-    -- Delay to keep end-of-inning on the scoreboard for a few seconds
+        announcer:say("AND THAT'S THE BALL GAME!")
-    playdate.timer.new(3000, function()
+    else
+        fielding:resetFielderPositions()
+        if battingTeam == teams.home then
+            inning = inning + 1
+        end
         battingTeam = currentlyFieldingTeam
+        playdate.timer.new(2000, function()
             if battingTeam == teams.home then
                 battingTeamSprites = HomeTeamSprites
                 runnerBlipper = HomeTeamBlipper
@@ -187,15 +201,8 @@ local function nextHalfInning()
                 fieldingTeamSprites = HomeTeamSprites
                 runnerBlipper = AwayTeamBlipper
             end
-        if gameOver then
-            announcer:say("AND THAT'S THE BALL GAME!")
-        else
-            fielding:resetFielderPositions()
-            if battingTeam == teams.home then
-                inning = inning + 1
-            end
-        end
         end)
+    end
 end
 
 local baserunning = Baserunning.new(announcer, nextHalfInning)
@@ -443,7 +450,7 @@ local function updateGameState()
     end
     if fielderHoldingBall then
         local outedSomeRunner = baserunning:outEligibleRunners(fielderHoldingBall)
-        if userOnOffense then
+        if not userOnDefense then
             npc:fielderAction(offenseState, fielderHoldingBall, outedSomeRunner, ball, launchBall)
         end
     end

src/npc.lua

@@ -48,7 +48,7 @@ function Npc:runningSpeed(ball)
 
     local runner1 = self.runners[1]
 
-    local ballIsFar = utils.distanceBetweenZ(ball.x, ball.y, ball.z, runner1.x, runner1.y, 0) > 250
+    local ballIsFar = utils.distanceBetweenZ(ball.x, ball.y, ball.z, runner1.x, runner1.y, 0) > 300
 
     if ballIsFar or runner1.forcedTo then
         return baseRunningSpeed