SCI32: Add 6-argument signature of kAddPicAt

This is used by Torin in room 50900.

6 files changed, 12 insertions, 10 deletions

diff --git a/engines/sci/engine/kernel_tables.h b/engines/sci/engine/kernel_tables.h
index 7d622d16d1..e0e4dcc233 100644
--- a/engines/sci/engine/kernel_tables.h
+++ b/engines/sci/engine/kernel_tables.h
@@ -823,7 +823,7 @@ static SciKernelMapEntry s_kernelMap[] = {
 	{ MAP_CALL(Robot),             SIG_EVERYWHERE,           "(.*)",                  NULL,            NULL },
 	{ MAP_CALL(Save),              SIG_EVERYWHERE,           "i(.*)",                 kSave_subops,    NULL },
 	{ MAP_CALL(Text),              SIG_SINCE_SCI21MID, SIGFOR_ALL, "i(.*)",           kText_subops,    NULL },
-	{ MAP_CALL(AddPicAt),          SIG_EVERYWHERE,           "oiii",                  NULL,            NULL },
+	{ MAP_CALL(AddPicAt),          SIG_EVERYWHERE,           "oiii(i)(i)",            NULL,            NULL },
 	{ MAP_CALL(GetWindowsOption),  SIG_EVERYWHERE,           "i",                     NULL,            NULL },
 	{ MAP_CALL(WinHelp),           SIG_EVERYWHERE,           "(.*)",                  NULL,            NULL },
 	{ MAP_CALL(GetConfig),         SIG_EVERYWHERE,           "ro",                    NULL,            NULL },
diff --git a/engines/sci/engine/kgraphics32.cpp b/engines/sci/engine/kgraphics32.cpp
index 40c048bdeb..44085da6e7 100644
--- a/engines/sci/engine/kgraphics32.cpp
+++ b/engines/sci/engine/kgraphics32.cpp
@@ -124,8 +124,9 @@ reg_t kAddPicAt(EngineState *s, int argc, reg_t *argv) {
 	int16 x = argv[2].toSint16();
 	int16 y = argv[3].toSint16();
 	bool mirrorX = argc > 4 ? argv[4].toSint16() : false;
+	bool deleteDuplicate = argc > 5 ? argv[5].toSint16() : true;
 
-	g_sci->_gfxFrameout->kernelAddPicAt(planeObj, pictureId, x, y, mirrorX);
+	g_sci->_gfxFrameout->kernelAddPicAt(planeObj, pictureId, x, y, mirrorX, deleteDuplicate);
 	return s->r_acc;
 }
 
diff --git a/engines/sci/graphics/frameout.cpp b/engines/sci/graphics/frameout.cpp
index a264516bf7..7ea159f45d 100644
--- a/engines/sci/graphics/frameout.cpp
+++ b/engines/sci/graphics/frameout.cpp
@@ -485,12 +485,12 @@ void GfxFrameout::updatePlane(Plane &plane) {
 #pragma mark -
 #pragma mark Pics
 
-void GfxFrameout::kernelAddPicAt(const reg_t planeObject, const GuiResourceId pictureId, const int16 x, const int16 y, const bool mirrorX) {
+void GfxFrameout::kernelAddPicAt(const reg_t planeObject, const GuiResourceId pictureId, const int16 x, const int16 y, const bool mirrorX, const bool deleteDuplicate) {
 	Plane *plane = _planes.findByObject(planeObject);
 	if (plane == nullptr) {
 		error("kAddPicAt: Plane %04x:%04x not found", PRINT_REG(planeObject));
 	}
-	plane->addPic(pictureId, Common::Point(x, y), mirrorX);
+	plane->addPic(pictureId, Common::Point(x, y), mirrorX, deleteDuplicate);
 }
 
 #pragma mark -
diff --git a/engines/sci/graphics/frameout.h b/engines/sci/graphics/frameout.h
index 035555af6f..1724ad94b6 100644
--- a/engines/sci/graphics/frameout.h
+++ b/engines/sci/graphics/frameout.h
@@ -167,7 +167,7 @@ public:
 #pragma mark -
 #pragma mark Pics
 public:
-	void kernelAddPicAt(const reg_t planeObject, const GuiResourceId pictureId, const int16 pictureX, const int16 pictureY, const bool mirrorX);
+	void kernelAddPicAt(const reg_t planeObject, const GuiResourceId pictureId, const int16 pictureX, const int16 pictureY, const bool mirrorX, const bool deleteDuplicate);
 
 #pragma mark -
 #pragma mark Rendering
diff --git a/engines/sci/graphics/plane32.cpp b/engines/sci/graphics/plane32.cpp
index cb6ec74e8f..1cd88d667b 100644
--- a/engines/sci/graphics/plane32.cpp
+++ b/engines/sci/graphics/plane32.cpp
@@ -194,11 +194,12 @@ void Plane::addPicInternal(const GuiResourceId pictureId, const Common::Point *p
 	_type = transparent ? kPlaneTypeTransparentPicture : kPlaneTypePicture;
 }
 
-GuiResourceId Plane::addPic(const GuiResourceId pictureId, const Common::Point &position, const bool mirrorX) {
-	GuiResourceId oldPictureId = _pictureId;
-	deletePic(pictureId);
+GuiResourceId Plane::addPic(const GuiResourceId pictureId, const Common::Point &position, const bool mirrorX, const bool deleteDuplicate) {
+	if (deleteDuplicate) {
+		deletePic(pictureId);
+	}
 	addPicInternal(pictureId, &position, mirrorX);
-	return oldPictureId;
+	return _pictureId;
 }
 
 void Plane::changePic() {
diff --git a/engines/sci/graphics/plane32.h b/engines/sci/graphics/plane32.h
index f55d97b6ed..964d20ca12 100644
--- a/engines/sci/graphics/plane32.h
+++ b/engines/sci/graphics/plane32.h
@@ -347,7 +347,7 @@ public:
 	 * new picture resource to the plane at the given
 	 * position.
 	 */
-	GuiResourceId addPic(const GuiResourceId pictureId, const Common::Point &position, const bool mirrorX);
+	GuiResourceId addPic(const GuiResourceId pictureId, const Common::Point &position, const bool mirrorX, const bool deleteDuplicate = true);
 
 	/**
 	 * If the plane is a picture plane, re-adds all cels