Changing the split stuff again, fixing several scrolling and hotspot-text related issues

svn-id: r32161

1 files changed, 81 insertions, 1 deletions

diff --git a/engines/gob/inter_v4.cpp b/engines/gob/inter_v4.cpp
index 920ca59f43..bc92fbf2b0 100644
--- a/engines/gob/inter_v4.cpp
+++ b/engines/gob/inter_v4.cpp
@@ -29,6 +29,7 @@
 #include "gob/gob.h"
 #include "gob/inter.h"
 #include "gob/global.h"
+#include "gob/draw.h"
 #include "gob/game.h"
 #include "gob/parse.h"
 #include "gob/videoplayer.h"
@@ -279,7 +280,7 @@ void Inter_v4::setupOpcodes() {
 		{NULL, ""},
 		{NULL, ""},
 		/* 80 */
-		OPCODE(o2_initScreen),
+		OPCODE(o4_initScreen),
 		OPCODE(o2_scroll),
 		OPCODE(o2_setScrollOffset),
 		OPCODE(o4_playVmdOrMusic),
@@ -716,6 +717,85 @@ const char *Inter_v4::getOpcodeGoblinDesc(int i) {
 	return "";
 }
 
+void Inter_v4::o4_initScreen() {
+	int16 offY;
+	int16 videoMode;
+	int16 width, height;
+
+	offY = load16();
+
+	videoMode = offY & 0xFF;
+	offY = (offY >> 8) & 0xFF;
+
+	width = _vm->_parse->parseValExpr();
+	height = _vm->_parse->parseValExpr();
+
+	_vm->_video->clearScreen();
+
+	_vm->_global->_fakeVideoMode = videoMode;
+
+	// Some versions require this
+	if (videoMode == 0xD)
+		videoMode = _vm->_mode;
+
+	if ((videoMode == _vm->_global->_videoMode) && (width == -1))
+		return;
+
+	if (width > 0)
+		_vm->_video->_surfWidth = width;
+	if (height > 0)
+		_vm->_video->_surfHeight = height;
+
+	_vm->_video->_screenDeltaX = 0;
+	if (_vm->_video->_surfWidth < _vm->_width)
+		_vm->_video->_screenDeltaX = (_vm->_width - _vm->_video->_surfWidth) / 2;
+
+	_vm->_global->_mouseMinX = _vm->_video->_screenDeltaX;
+	_vm->_global->_mouseMaxX = _vm->_video->_screenDeltaX + _vm->_video->_surfWidth - 1;
+
+	_vm->_video->_splitStart = _vm->_video->_surfHeight - offY;
+
+	_vm->_video->_splitHeight1 = MIN<int16>(_vm->_height, _vm->_video->_surfHeight);
+	_vm->_video->_splitHeight2 = offY;
+
+	if ((_vm->_video->_surfHeight + offY) < _vm->_height)
+		_vm->_video->_screenDeltaY = (_vm->_height - (_vm->_video->_surfHeight + offY)) / 2;
+	else
+		_vm->_video->_screenDeltaY = 0;
+
+	_vm->_global->_mouseMaxY = (_vm->_video->_surfHeight + _vm->_video->_screenDeltaY) - offY - 1;
+	_vm->_global->_mouseMinY = _vm->_video->_screenDeltaY;
+
+	_vm->_draw->closeScreen();
+	_vm->_util->clearPalette();
+	memset(_vm->_global->_redPalette, 0, 256);
+	memset(_vm->_global->_greenPalette, 0, 256);
+	memset(_vm->_global->_bluePalette, 0, 256);
+
+	_vm->_global->_videoMode = videoMode;
+	_vm->_video->initPrimary(videoMode);
+	WRITE_VAR(15, _vm->_global->_fakeVideoMode);
+
+	_vm->_global->_setAllPalette = true;
+
+	_vm->_util->setMousePos(_vm->_global->_inter_mouseX,
+			_vm->_global->_inter_mouseY);
+	_vm->_util->clearPalette();
+
+	_vm->_draw->initScreen();
+
+	_vm->_util->setScrollOffset();
+
+	_vm->_video->_splitSurf = 0;
+	_vm->_draw->_spritesArray[24] = 0;
+	_vm->_draw->_spritesArray[25] = 0;
+	if (offY > 0) {
+		_vm->_draw->_spritesArray[24] = new SurfaceDesc(videoMode, _vm->_width, offY);
+		_vm->_draw->_spritesArray[25] = new SurfaceDesc(videoMode, _vm->_width, offY);
+		_vm->_video->_splitSurf = _vm->_draw->_spritesArray[25];
+	}
+}
+
 void Inter_v4::o4_playVmdOrMusic() {
 	char fileName[128];
 	int16 x, y;