Implement fence.mouse opcode

svn-id: r41258

5 files changed, 39 insertions, 12 deletions

diff --git a/engines/agi/agi.cpp b/engines/agi/agi.cpp
index cb49824f81..4431f5d0c4 100644
--- a/engines/agi/agi.cpp
+++ b/engines/agi/agi.cpp
@@ -103,6 +103,20 @@ void AgiEngine::processEvents() {
 		case Common::EVENT_MOUSEMOVE:
 			g_mouse.x = event.mouse.x;
 			g_mouse.y = event.mouse.y;
+
+			if (!_game.mouseFence.isEmpty()) {
+				if (g_mouse.x < _game.mouseFence.left)
+					g_mouse.x = _game.mouseFence.left;
+				if (g_mouse.x > _game.mouseFence.right)
+					g_mouse.x = _game.mouseFence.right;
+				if (g_mouse.y < _game.mouseFence.top)
+					g_mouse.y = _game.mouseFence.top;
+				if (g_mouse.y > _game.mouseFence.bottom)
+					g_mouse.y = _game.mouseFence.bottom;
+
+				g_system->warpMouse(g_mouse.x, g_mouse.y);
+			}
+
 			break;
 		case Common::EVENT_LBUTTONUP:
 		case Common::EVENT_RBUTTONUP:
@@ -473,6 +487,8 @@ int AgiEngine::agiInit() {
 
 	_egoHoldKey = false;
 
+	_game.mouseFence.setWidth(0); // Reset
+
 	return ec;
 }
 
diff --git a/engines/agi/agi.h b/engines/agi/agi.h
index 0f213e619e..09f732d980 100644
--- a/engines/agi/agi.h
+++ b/engines/agi/agi.h
@@ -211,8 +211,8 @@ struct gameIdList {
 
 struct Mouse {
 	int button;
-	unsigned int x;
-	unsigned int y;
+	int x;
+	int y;
 };
 
 // Used by AGI Mouse protocol 1.0 for v27 (i.e. button pressed -variable).
@@ -591,9 +591,11 @@ struct AgiGame {
 	// view table
 	VtEntry viewTable[MAX_VIEWTABLE];
 
-	int32 ver;								/**< detected game version */
+	int32 ver;						/**< detected game version */
+
+	int simpleSave;					/**< select simple savegames */
 
-	int simpleSave;						/**< select simple savegames */
+	Common::Rect mouseFence;		/**< rectangle set by fence.mouse command */
 };
 
 class AgiLoader {
diff --git a/engines/agi/menu.cpp b/engines/agi/menu.cpp
index 8e7a59746b..fb39fb5a35 100644
--- a/engines/agi/menu.cpp
+++ b/engines/agi/menu.cpp
@@ -131,11 +131,11 @@ void Menu::newMenuSelected(int i) {
 	drawMenuOption(i);
 }
 
-bool Menu::mouseOverText(unsigned int line, unsigned int col, char *s) {
+bool Menu::mouseOverText(int line, int col, char *s) {
 	if (g_mouse.x < col * CHAR_COLS)
 		return false;
 
-	if (g_mouse.x > (col + strlen(s)) * CHAR_COLS)
+	if (g_mouse.x > (int)(col + strlen(s)) * CHAR_COLS)
 		return false;
 
 	if (g_mouse.y < line * CHAR_LINES)
diff --git a/engines/agi/menu.h b/engines/agi/menu.h
index 69c7f7f3a8..43f6dd2bbd 100644
--- a/engines/agi/menu.h
+++ b/engines/agi/menu.h
@@ -80,7 +80,7 @@ private:
 	void drawMenuOption(int hMenu);
 	void drawMenuOptionHilite(int hMenu, int vMenu);
 	void newMenuSelected(int i);
-	bool mouseOverText(unsigned int line, unsigned int col, char *s);
+	bool mouseOverText(int line, int col, char *s);
 
 };
 
diff --git a/engines/agi/op_cmd.cpp b/engines/agi/op_cmd.cpp
index 8cd5a0d9ab..fdcc76826d 100644
--- a/engines/agi/op_cmd.cpp
+++ b/engines/agi/op_cmd.cpp
@@ -632,7 +632,9 @@ cmd(set_simple) {
 }
 
 cmd(pop_script) {
-	report("pop.script\n");
+	if (g_agi->getVersion() >= 0x2915) {
+		report("pop.script\n");
+	}
 }
 
 cmd(hold_key) {
@@ -642,7 +644,9 @@ cmd(hold_key) {
 }
 
 cmd(discard_sound) {
-	report("discard.sound\n");
+	if (g_agi->getVersion() >= 0x2936) {
+		report("discard.sound\n");
+	}
 }
 
 cmd(hide_mouse) {
@@ -669,7 +673,9 @@ cmd(show_mouse) {
 }
 
 cmd(fence_mouse) {
-	report("fence.mouse\n");
+	g_agi->_game.mouseFence.moveTo(p0, p1);
+	g_agi->_game.mouseFence.setWidth(p2 - p0);
+	g_agi->_game.mouseFence.setHeight(p3 - p1);
 }
 
 cmd(release_key) {
@@ -1512,8 +1518,11 @@ cmd(push_script) {
 		game.vars[27] = g_mouse.button;
 		game.vars[28] = g_mouse.x / 2;
 		game.vars[29] = g_mouse.y;
-	} else
-		report("push.script\n");
+	} else {
+		if (g_agi->getVersion() >= 0x2915) {
+			report("push.script\n");
+		}
+	}
 }
 
 cmd(set_pri_base) {