From c75bdbc8e95946e1388fa45b086f8f37566ce886 Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Wed, 27 May 2009 16:45:42 +0000
Subject: - SQ5 floppy starts now - Added a new console command, "room", which
 shows the current room

svn-id: r40943
---
 engines/sci/console.cpp        |  7 +++++++
 engines/sci/console.h          |  1 +
 engines/sci/engine/ksound.cpp  |  1 +
 engines/sci/gfx/gfx_driver.cpp | 10 ++++++++--
 4 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/engines/sci/console.cpp b/engines/sci/console.cpp
index 6a6ad672e7..7a86236531 100644
--- a/engines/sci/console.cpp
+++ b/engines/sci/console.cpp
@@ -88,6 +88,7 @@ Console::Console(SciEngine *vm) : GUI::Debugger() {
 	DCmd_Register("man",				WRAP_METHOD(Console, cmdMan));
 	DCmd_Register("hexdump",			WRAP_METHOD(Console, cmdHexDump));
 	DCmd_Register("dissect_script",		WRAP_METHOD(Console, cmdDissectScript));
+	DCmd_Register("room",				WRAP_METHOD(Console, cmdRoomNumber));
 }
 
 Console::~Console() {
@@ -323,4 +324,10 @@ bool Console::cmdDissectScript(int argc, const char **argv) {
 	return true;
 }
 
+bool Console::cmdRoomNumber(int argc, const char **argv) {
+	DebugPrintf("Current room number is %d\n", g_EngineState->currentRoomNumber());
+
+	return true;
+}
+
 } // End of namespace Sci
diff --git a/engines/sci/console.h b/engines/sci/console.h
index 6e2e13d951..c54147d942 100644
--- a/engines/sci/console.h
+++ b/engines/sci/console.h
@@ -53,6 +53,7 @@ private:
 	bool cmdMan(int argc, const char **argv);
 	bool cmdHexDump(int argc, const char **argv);
 	bool cmdDissectScript(int argc, const char **argv);
+	bool cmdRoomNumber(int argc, const char **argv);
 
 private:
 	SciEngine *_vm;
diff --git a/engines/sci/engine/ksound.cpp b/engines/sci/engine/ksound.cpp
index 613412839b..54a65249e1 100644
--- a/engines/sci/engine/ksound.cpp
+++ b/engines/sci/engine/ksound.cpp
@@ -1076,6 +1076,7 @@ reg_t kDoSync(EngineState *s, int funct_nr, int argc, reg_t *argv) {
 				PUT_SEL32V(argv[1], syncCue, -1);
 			}
 		} else if (argc == 7) {		// SQ4CD or newer
+			// TODO
 			warning("kDoSync: Start called with new semantics - 6 parameters: %d %d %d %d %d %d", UKPV(1), UKPV(2), UKPV(3), UKPV(4), UKPV(5), UKPV(6));
 		} else {					// Hopefully, this should never happen
 			warning("kDoSync: Start called with an unknown number of parameters (%d)", argc);
diff --git a/engines/sci/gfx/gfx_driver.cpp b/engines/sci/gfx/gfx_driver.cpp
index e4f6a40120..8ee2b3977e 100644
--- a/engines/sci/gfx/gfx_driver.cpp
+++ b/engines/sci/gfx/gfx_driver.cpp
@@ -264,7 +264,8 @@ static uint8 *create_cursor(gfx_driver_t *drv, gfx_pixmap_t *pointer, int mode)
 		for (int xc = 0; xc < pointer->index_width; xc++) {
 			uint8 color = *src;
 			// FIXME: The palette size check is a workaround for cursors using non-palette colour GFX_CURSOR_TRANSPARENT
-			if (color < pointer->palette->size())
+			// Note that some cursors don't have a palette in SQ5
+			if (pointer->palette && color < pointer->palette->size())
 				color = pointer->palette->getColor(color).parent_index;
 			for (int scalectr = 0; scalectr < drv->mode->xfact; scalectr++) {
 				*pos++ = color;
@@ -287,9 +288,14 @@ static int scummvm_set_pointer(gfx_driver_t *drv, gfx_pixmap_t *pointer, Common:
 		S->pointer_data = create_cursor(drv, pointer, 1);
 
 		// FIXME: The palette size check is a workaround for cursors using non-palette colour GFX_CURSOR_TRANSPARENT
+		// Note that some cursors don't have a palette in SQ5
 		uint8 color_key = GFX_CURSOR_TRANSPARENT;
-		if ((pointer->color_key != GFX_PIXMAP_COLOR_KEY_NONE) && ((unsigned int)pointer->color_key < pointer->palette->size()))
+		if ((pointer->color_key != GFX_PIXMAP_COLOR_KEY_NONE) && (pointer->palette && (unsigned int)pointer->color_key < pointer->palette->size()))
 			color_key = pointer->palette->getColor(pointer->color_key).parent_index;
+		// Some cursors in SQ5 don't have a palette. The cursor palette seems to use 64 colors, so setting the color key to 63 works
+		// TODO: Is this correct?
+		if (!pointer->palette)
+			color_key = 63;
 
 		g_system->setMouseCursor(S->pointer_data, pointer->width, pointer->height, hotspot->x, hotspot->y, color_key);
 		g_system->showMouse(true);
-- 
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