FULLPIPE: Clarify null callback usage across the scenes

5 files changed, 12 insertions, 8 deletions

diff --git a/engines/fullpipe/scenes/scene06.cpp b/engines/fullpipe/scenes/scene06.cpp
index 6d8c152052..a6d93b69bd 100644
--- a/engines/fullpipe/scenes/scene06.cpp
+++ b/engines/fullpipe/scenes/scene06.cpp
@@ -82,7 +82,7 @@ void sceneHandler06_winArcade() {
 		g_fp->setObjectState(sO_ClockAxis, g_fp->getObjectEnumState(sO_ClockAxis, sO_WithoutHandle));
 
 	if (g_vars->scene06_arcadeEnabled) {
-		g_fp->_aniMan->_callback2 = 0;
+		g_fp->_aniMan->_callback2 = 0; // Really NULL
 
 		g_fp->_aniMan->changeStatics2(ST_MAN_RIGHT | 0x4000);
 
diff --git a/engines/fullpipe/scenes/scene09.cpp b/engines/fullpipe/scenes/scene09.cpp
index 42d02917ef..eb635f16f0 100644
--- a/engines/fullpipe/scenes/scene09.cpp
+++ b/engines/fullpipe/scenes/scene09.cpp
@@ -416,6 +416,10 @@ void sceneHandler09_hangerStartCycle() {
 	}
 }
 
+void scene09_visCallback(int *phase) {
+	// do nothing
+}
+
 int sceneHandler09(ExCommand *cmd) {
 	if (cmd->_messageKind != 17)
 		return 0;
@@ -499,7 +503,7 @@ int sceneHandler09(ExCommand *cmd) {
 	case 30:
 		if (g_vars->scene09_interactingHanger >= 0)  {
 			if (ABS(g_vars->scene09_hangers[g_vars->scene09_interactingHanger]->phase) < 15) {
-				g_vars->scene09_hangers[g_vars->scene09_interactingHanger]->ani->_callback2 = 0;
+				g_vars->scene09_hangers[g_vars->scene09_interactingHanger]->ani->_callback2 = 0; // Really NULL
 				g_vars->scene09_hangers[g_vars->scene09_interactingHanger]->ani->changeStatics2(ST_VSN_NORMAL);
 			}
 		}
@@ -540,7 +544,7 @@ int sceneHandler09(ExCommand *cmd) {
 						if (!g_vars->scene09_hangers[hng]->ani->_movement || g_vars->scene09_hangers[hng]->ani->_movement->_id != MV_VSN_CYCLE2) {
 							g_vars->scene09_hangers[hng]->ani->changeStatics2(ST_VSN_NORMAL);
 							g_vars->scene09_hangers[hng]->ani->startAnim(MV_VSN_CYCLE2, 0, -1);
-							g_vars->scene09_hangers[hng]->ani->_callback2 = 0;
+							g_vars->scene09_hangers[hng]->ani->_callback2 = scene09_visCallback;
 						}
 
 						ExCommand *ex = new ExCommand(0, 35, SND_9_018, 0, 0, 0, 1, 0, 0, 0);
diff --git a/engines/fullpipe/scenes/scene13.cpp b/engines/fullpipe/scenes/scene13.cpp
index 39b31b3793..7b38442603 100644
--- a/engines/fullpipe/scenes/scene13.cpp
+++ b/engines/fullpipe/scenes/scene13.cpp
@@ -60,7 +60,7 @@ void scene13_initScene(Scene *sc) {
 
 		g_fp->playSound(SND_13_018, 1);
 
-		g_vars->scene13_whirlgig->_callback2 = 0;
+		g_vars->scene13_whirlgig->_callback2 = 0; // Really NULL
 	} else {
 		g_vars->scene13_bridge->changeStatics2(ST_BDG_OPEN2);
 
@@ -167,7 +167,7 @@ void sceneHandler13_stopWhirlgig() {
 }
 
 void sceneHandler13_startWhirlgig() {
-	g_vars->scene13_whirlgig->_callback2 = 0;
+	g_vars->scene13_whirlgig->_callback2 = 0; // Really NULL
 
 	g_fp->playSound(SND_13_018, 1);
 	g_fp->playSound(SND_13_034, 0);
diff --git a/engines/fullpipe/scenes/scene14.cpp b/engines/fullpipe/scenes/scene14.cpp
index 2ebb82abcf..d5070bb17b 100644
--- a/engines/fullpipe/scenes/scene14.cpp
+++ b/engines/fullpipe/scenes/scene14.cpp
@@ -380,7 +380,7 @@ void sceneHandler14_startArcade() {
 }
 
 void sceneHandler14_clearCallback() {
-	g_fp->_aniMan->_callback2 = 0;
+	g_fp->_aniMan->_callback2 = 0; // Really NULL
 	g_vars->scene14_dudeIsKicking = false;
 }
 
diff --git a/engines/fullpipe/scenes/scene27.cpp b/engines/fullpipe/scenes/scene27.cpp
index a6ddbab5e3..aaf7fab852 100644
--- a/engines/fullpipe/scenes/scene27.cpp
+++ b/engines/fullpipe/scenes/scene27.cpp
@@ -124,7 +124,7 @@ void sceneHandler27_winArcade() {
 	if (g_fp->getObjectState(sO_Driver) == g_fp->getObjectEnumState(sO_Driver, sO_WithSteering)) {
 		g_vars->scene27_dudeIsAiming = false;
 
-		g_fp->_aniMan->_callback2 = 0;
+		g_fp->_aniMan->_callback2 = 0; // Really NULL
 		g_fp->_aniMan->changeStatics2(ST_MAN_RIGHT);
 
 		sceneHandler27_driverGiveVent();
@@ -248,7 +248,7 @@ void sceneHandler27_startAiming() {
 	g_vars->scene27_dudeIsAiming = false;
 	g_vars->scene27_maxPhaseReached = false;
 
-	g_fp->_aniMan->_callback2 = 0;
+	g_fp->_aniMan->_callback2 = 0; // Really NULL
 
 	g_vars->scene27_launchPhase = g_fp->_aniMan->_movement->_currDynamicPhaseIndex - 6;