FULLPIPE: Implement BallChain::removeBall()

3 files changed, 26 insertions, 4 deletions

diff --git a/engines/fullpipe/scenes.cpp b/engines/fullpipe/scenes.cpp
index 3abb03d1ae..47c6a3c8cd 100644
--- a/engines/fullpipe/scenes.cpp
+++ b/engines/fullpipe/scenes.cpp
@@ -1465,8 +1465,30 @@ Ball *BallChain::sub04(Ball *ballP, Ball *ballN) {
 	return pTail;
 }
 
-void BallChain::sub05(Ball *ball) {
-	warning("STUB: BallChain::sub05");
+void BallChain::removeBall(Ball *ball) {
+	if (ball == pHead)
+		pHead = ball->p0;
+	else
+		ball->p1->p0 = ball->p0;
+
+	if (ball == field_8)
+		field_8 = ball->p1;
+	else
+		ball->p0->p1 = ball->p1;
+
+	ball->p0 = pTail;
+	pTail = ball;
+
+	numBalls--;
+
+	if (!numBalls) {
+		numBalls = 0;
+		pTail = 0;
+		field_8 = 0;
+		pHead = 0;
+		free(cPlex);
+		cPlex = 0;
+	}
 }
 
 
diff --git a/engines/fullpipe/scenes.h b/engines/fullpipe/scenes.h
index 517576c6f3..0b7c4e7c8f 100644
--- a/engines/fullpipe/scenes.h
+++ b/engines/fullpipe/scenes.h
@@ -232,7 +232,7 @@ struct BallChain {
 
 	void init(Ball **ball);
 	Ball *sub04(Ball *ballP, Ball *ballN);
-	void sub05(Ball *ball);
+	void removeBall(Ball *ball);
 	void reset() { pHead = 0; pTail = 0; field_8 = 0; numBalls = 0; free(cPlex); cPlex = 0; cPlexLen = 0; }
 };
 
diff --git a/engines/fullpipe/scenes/scene29.cpp b/engines/fullpipe/scenes/scene29.cpp
index dbd753a133..2d5127137d 100644
--- a/engines/fullpipe/scenes/scene29.cpp
+++ b/engines/fullpipe/scenes/scene29.cpp
@@ -641,7 +641,7 @@ void sceneHandler29_ballHitCheck() {
 
 				g_vars->scene29_redBalls.field_8 = newball;
 
-				g_vars->scene29_flyingRedBalls.sub05(ball);
+				g_vars->scene29_flyingRedBalls.removeBall(ball);
 
 				sceneHandler29_manHit();