- adding support for saving AGIPAL games

- adding debug comment when using a new AGIPAL palette
- changing so that only pal.101-109 files are used and not pal.100, as AGIPAL starts at 101

svn-id: r26277

4 files changed, 28 insertions, 4 deletions

diff --git a/engines/agi/graphics.cpp b/engines/agi/graphics.cpp
index 1b696dd333..d2a686d298 100644
--- a/engines/agi/graphics.cpp
+++ b/engines/agi/graphics.cpp
@@ -378,7 +378,12 @@ void GfxMgr::gfxSetPalette() {
 
 //Gets AGIPAL Data
 void GfxMgr::setAGIPal(int p0) {
-	//report("Using AGIPAL hack\n");
+	//If 0 from savefile, do not use
+	if (p0 == 0)
+		return;
+	
+	_agipalFileNum = p0;
+	
 	Common::File agipal;
 
 	char filename[15];
@@ -406,10 +411,17 @@ void GfxMgr::setAGIPal(int p0) {
 
 	initPalette(_agipalPalette);
 	gfxSetPalette();
+
+	debug(1, "Using AGIPAL palette from pal.%d", p0);
+
 	free(palData);
 	palData = 0;
 }
 
+int GfxMgr::getAGIPalFileNum() {
+	return _agipalFileNum;
+}
+
 /* put a block onto the screen */
 void GfxMgr::gfxPutBlock(int x1, int y1, int x2, int y2) {
 	if (x1 >= GFX_WIDTH)
diff --git a/engines/agi/graphics.h b/engines/agi/graphics.h
index 3212f3cbbe..9c9dba0cb0 100644
--- a/engines/agi/graphics.h
+++ b/engines/agi/graphics.h
@@ -47,12 +47,14 @@ private:
 	uint8 *_shakeH, *_shakeV;
 
 	uint8 _agipalPalette[16 * 3];
+	int _agipalFileNum;
 
 public:
 	GfxMgr(AgiEngine *vm) {
 		_vm = vm;
 		_shakeH = NULL;
 		_shakeV = NULL;
+		_agipalFileNum = 0;
 	}
 
 	void gfxPutBlock(int x1, int y1, int x2, int y2);
@@ -83,6 +85,7 @@ public:
 	void restoreBlock(int, int, int, int, uint8 *);
 	void initPalette(uint8 *);
 	void setAGIPal(int);
+	int getAGIPalFileNum();
 	void drawFrame(int x1, int y1, int x2, int y2, int c1, int c2);
 
 	void putPixel(int, int, int);
diff --git a/engines/agi/op_cmd.cpp b/engines/agi/op_cmd.cpp
index d1f7053818..f9017da320 100644
--- a/engines/agi/op_cmd.cpp
+++ b/engines/agi/op_cmd.cpp
@@ -1227,10 +1227,10 @@ cmd(mouse_posn) {
 cmd(shake_screen) {
 	int i;
 
-	/* AGIPAL uses shake.screen values between 100 and 109 to
+	/* AGIPAL uses shake.screen values between 101 and 109 to
 	 * set the palette.
 	 */
-	if ((g_agi->getFeatures() & GF_AGIPAL) && p0 >= 100 && p0 < 110) {
+	if ((g_agi->getFeatures() & GF_AGIPAL) && p0 >= 101 && p0 < 110) {
 		g_gfx->setAGIPal(p0);
 		return;
 	} else
diff --git a/engines/agi/savegame.cpp b/engines/agi/savegame.cpp
index 8a58d67f58..566f2945b0 100644
--- a/engines/agi/savegame.cpp
+++ b/engines/agi/savegame.cpp
@@ -36,12 +36,13 @@
 #include "agi/keyboard.h"
 #include "agi/menu.h"
 
-#define SAVEGAME_VERSION 2
+#define SAVEGAME_VERSION 3
 
 /*
  * Version 0 (Sarien): view table has 64 entries
  * Version 1 (Sarien): view table has 256 entries (needed in KQ3)
  * Version 2 (ScummVM): first ScummVM version
+ * Version 3 (ScummVM): adding AGIPAL save/load support
  */
 
 namespace Agi {
@@ -200,6 +201,10 @@ int AgiEngine::saveGame(const char *fileName, const char *description) {
 	}
 	out->writeByte(0);
 
+	//Write which file number AGIPAL is using (0 if not being used)
+	if ((getFeatures() & GF_AGIPAL))
+		out->writeSint16BE(_gfx->getAGIPalFileNum());
+
 	out->finalize();
 	if (out->ioFailed())
 		warning("Can't write file '%s'. (Disk full?)", fileName);
@@ -434,6 +439,10 @@ int AgiEngine::loadGame(const char *fileName) {
 				parm[3], parm[4], parm[5], parm[6]);
 	}
 
+	//Load AGIPAL Data 
+	if ((getFeatures() & GF_AGIPAL) && (saveVersion >= 3))
+		_gfx->setAGIPal(in->readSint16BE());
+
 	delete in;	
 	debugC(3, kDebugLevelMain | kDebugLevelSavegame, "Closed %s", fileName);