GOB: Add some PreGob and Once Upon A Time cursor functions

7 files changed, 72 insertions, 3 deletions

diff --git a/engines/gob/draw.cpp b/engines/gob/draw.cpp
index 3932987e0a..8c6919416d 100644
--- a/engines/gob/draw.cpp
+++ b/engines/gob/draw.cpp
@@ -271,7 +271,9 @@ void Draw::blitInvalidated() {
 		return;
 	}
 
-	_showCursor = (_showCursor & ~2) | ((_showCursor & 1) << 1);
+	if (_cursorSprites)
+		_showCursor = (_showCursor & ~2) | ((_showCursor & 1) << 1);
+
 	if (_applyPal) {
 		clearPalette();
 		forceBlit();
diff --git a/engines/gob/draw_v2.cpp b/engines/gob/draw_v2.cpp
index ac43c7b86a..f5475278c4 100644
--- a/engines/gob/draw_v2.cpp
+++ b/engines/gob/draw_v2.cpp
@@ -74,13 +74,16 @@ void Draw_v2::closeScreen() {
 }
 
 void Draw_v2::blitCursor() {
-	if (_cursorIndex == -1)
+	if (!_cursorSprites || (_cursorIndex == -1))
 		return;
 
 	_showCursor = (_showCursor & ~2) | ((_showCursor & 1) << 1);
 }
 
 void Draw_v2::animateCursor(int16 cursor) {
+	if (!_cursorSprites)
+		return;
+
 	int16 cursorIndex = cursor;
 	int16 newX = 0, newY = 0;
 	uint16 hotspotX, hotspotY;
diff --git a/engines/gob/pregob/onceupon/onceupon.cpp b/engines/gob/pregob/onceupon/onceupon.cpp
index 35127cbfb3..7f7dffa7ec 100644
--- a/engines/gob/pregob/onceupon/onceupon.cpp
+++ b/engines/gob/pregob/onceupon/onceupon.cpp
@@ -23,6 +23,7 @@
 #include "gob/gob.h"
 #include "gob/util.h"
 #include "gob/dataio.h"
+#include "gob/surface.h"
 #include "gob/draw.h"
 #include "gob/video.h"
 
diff --git a/engines/gob/pregob/onceupon/onceupon.h b/engines/gob/pregob/onceupon/onceupon.h
index 816d4dc051..c1c4d6fa0d 100644
--- a/engines/gob/pregob/onceupon/onceupon.h
+++ b/engines/gob/pregob/onceupon/onceupon.h
@@ -29,6 +29,8 @@
 
 namespace Gob {
 
+class Surface;
+
 namespace OnceUpon {
 
 class OnceUpon : public PreGob {
diff --git a/engines/gob/pregob/pregob.cpp b/engines/gob/pregob/pregob.cpp
index aea290214c..18aac50352 100644
--- a/engines/gob/pregob/pregob.cpp
+++ b/engines/gob/pregob/pregob.cpp
@@ -20,9 +20,12 @@
  *
  */
 
+#include "graphics/cursorman.h"
+
 #include "gob/gob.h"
 #include "gob/global.h"
 #include "gob/util.h"
+#include "gob/surface.h"
 #include "gob/palanim.h"
 #include "gob/draw.h"
 #include "gob/video.h"
@@ -90,4 +93,48 @@ void PreGob::setPalette(const byte *palette, uint16 size) {
 		_vm->_video->setFullPalette(_vm->_global->_pPaletteDesc);
 }
 
+void PreGob::addCursor() {
+	CursorMan.pushCursor(0, 0, 0, 0, 0, 0);
+}
+
+void PreGob::removeCursor() {
+	CursorMan.popCursor();
+}
+
+void PreGob::setCursor(Surface &sprite, int16 hotspotX, int16 hotspotY) {
+	CursorMan.replaceCursor(sprite.getData(), sprite.getWidth(), sprite.getHeight(), hotspotX, hotspotY, 0);
+}
+
+void PreGob::setCursor(Surface &sprite, int16 left, int16 top, int16 right, int16 bottom,
+                       int16 hotspotX, int16 hotspotY) {
+
+	const int width  = right  - left + 1;
+	const int height = bottom - top  + 1;
+
+	if ((width <= 0) || (height <= 0))
+		return;
+
+	Surface cursor(width, height, 1);
+
+	cursor.blit(sprite, left, top, right, bottom, 0, 0);
+
+	setCursor(cursor, hotspotX, hotspotX);
+}
+
+void PreGob::showCursor() {
+	CursorMan.showMouse(true);
+
+	_vm->_draw->_showCursor = 4;
+}
+
+void PreGob::hideCursor() {
+	CursorMan.showMouse(false);
+
+	_vm->_draw->_showCursor = 0;
+}
+
+bool PreGob::isCursorVisible() const {
+	return CursorMan.isVisible();
+}
+
 } // End of namespace Gob
diff --git a/engines/gob/pregob/pregob.h b/engines/gob/pregob/pregob.h
index 6418d6fd8a..e0f7ca907d 100644
--- a/engines/gob/pregob/pregob.h
+++ b/engines/gob/pregob/pregob.h
@@ -26,6 +26,7 @@
 namespace Gob {
 
 class GobEngine;
+class Surface;
 
 class PreGob {
 public:
@@ -49,6 +50,19 @@ protected:
 	 */
 	void setPalette(const byte *palette, uint16 size); ///< Change the palette
 
+	void addCursor();
+	void removeCursor();
+
+	void setCursor(Surface &sprite, int16 hotspotX, int16 hotspotY);
+	void setCursor(Surface &sprite, int16 left, int16 top, int16 right, int16 bottom,
+	               int16 hotspotX, int16 hotspotY);
+
+	void showCursor();
+	void hideCursor();
+
+	bool isCursorVisible() const;
+
+
 	GobEngine *_vm;
 
 private:
diff --git a/engines/gob/video.cpp b/engines/gob/video.cpp
index 8bcf14e040..62bb210a8e 100644
--- a/engines/gob/video.cpp
+++ b/engines/gob/video.cpp
@@ -242,7 +242,7 @@ void Video::setSize(bool defaultTo1XScaler) {
 
 void Video::retrace(bool mouse) {
 	if (mouse)
-		CursorMan.showMouse((_vm->_draw->_showCursor & 2) != 0);
+		CursorMan.showMouse((_vm->_draw->_showCursor & 6) != 0);
 
 	if (_vm->_global->_primarySurfDesc) {
 		int screenX = _screenDeltaX;