From 78f892f87c03603d635d1ccef9c0febc214be5d9 Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Thu, 23 Apr 2009 20:37:41 +0000
Subject: The mouse cursor is now working in Eco Quest 1, though the hotspot is
 still wrong. Many thanks to waltervn for his findings on this.

svn-id: r40095
---
 engines/sci/engine/kgraphics.cpp | 5 +++--
 engines/sci/gfx/operations.cpp   | 5 +++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/engines/sci/engine/kgraphics.cpp b/engines/sci/engine/kgraphics.cpp
index d67dbd9434..486e53a79f 100644
--- a/engines/sci/engine/kgraphics.cpp
+++ b/engines/sci/engine/kgraphics.cpp
@@ -289,7 +289,7 @@ static gfx_color_t graph_map_color(EngineState *s, int color, int priority, int
 	return retval;
 }
 
-reg_t kSetCursor_SCI11(EngineState *s, int funct_nr, int argc, reg_t *argv) {
+reg_t kSetCursorNew(EngineState *s, int funct_nr, int argc, reg_t *argv) {
 	switch (argc) {
 	case 1 :
 		if (UKPV(0) == 0) {
@@ -334,8 +334,9 @@ reg_t kSetCursor_SCI11(EngineState *s, int funct_nr, int argc, reg_t *argv) {
 
 reg_t kSetCursor(EngineState *s, int funct_nr, int argc, reg_t *argv) {
 	if (s->version >= SCI_VERSION(1, 001, 000) ||
+		s->_gameName.equalsIgnoreCase("eco") ||    // Eco Quest 1 needs kSetCursorNew
 	        has_kernel_function(s, "MoveCursor")) {
-		return kSetCursor_SCI11(s, funct_nr, argc, argv);
+		return kSetCursorNew(s, funct_nr, argc, argv);
 	}
 
 	if (SKPV_OR_ALT(1, 1)) {
diff --git a/engines/sci/gfx/operations.cpp b/engines/sci/gfx/operations.cpp
index 186d2acb3d..149230f0b0 100644
--- a/engines/sci/gfx/operations.cpp
+++ b/engines/sci/gfx/operations.cpp
@@ -1225,6 +1225,11 @@ int gfxop_set_pointer_view(gfx_state_t *state, int nr, int loop, int cel, Common
 		new_pointer->yoffset = hotspot->y;
 	}
 
+	// Special case for Eco Quest 1: The game is trying to hide the mouse cursor by clipping it, which is rejected
+	// by our graphics scaler. Hide the cursor when that happens instead.
+	if (new_pointer->width < 2 || new_pointer->height < 2)
+		return _gfxop_set_pointer(state, NULL);
+
 	if (!new_pointer) {
 		GFXWARN("Attempt to set invalid pointer #%d\n", nr);
 		return GFX_ERROR;
-- 
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