From 26ee630756ebdd7c96bccede0881a8c8b98e8f2b Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Sat, 11 Feb 2006 22:45:04 +0000
Subject: Moved engines to the new engines/ directory

svn-id: r20582
---
 engines/sky/screen.h | 134 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 engines/sky/screen.h

(limited to 'engines/sky/screen.h')

diff --git a/engines/sky/screen.h b/engines/sky/screen.h
new file mode 100644
index 0000000000..c1e504a87f
--- /dev/null
+++ b/engines/sky/screen.h
@@ -0,0 +1,134 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2003-2006 The ScummVM project
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef SKYSCREEN_H
+#define SKYSCREEN_H
+
+#include "common/stdafx.h"
+#include "common/scummsys.h"
+#include "sky/skydefs.h"
+
+class OSystem;
+
+namespace Sky {
+
+class Disk;
+class SkyEngine;
+class SkyCompact;
+struct Compact;
+struct dataFileHeader;
+
+#define SCROLL_JUMP		16
+#define VGA_COLOURS		256
+#define GAME_COLOURS		240
+#define SEQ_DELAY 3
+
+#define FORE 1
+#define BACK 0
+
+typedef struct {
+	uint16 yCood;
+	Compact *compact;
+	dataFileHeader *sprite;
+} StSortList;
+
+class Screen {
+public:
+	Screen(OSystem *pSystem, Disk *pDisk, SkyCompact *skyCompact);
+	~Screen(void);
+	void setPalette(uint8 *pal);
+	void setPaletteEndian(uint8 *pal);
+	void setPalette(uint16 fileNum);
+	void paletteFadeUp(uint8 *pal);
+	void paletteFadeUp(uint16 fileNr);
+
+	void showScreen(uint16 fileNum);
+	void showScreen(uint8 *pScreen);
+
+	void handleTimer(void);
+	void startSequence(uint16 fileNum);
+	void startSequenceItem(uint16 itemNum);
+	void stopSequence(void);
+	bool sequenceRunning(void) { return _seqInfo.running; };
+	void waitForSequence(void);
+	uint32 seqFramesLeft(void) { return _seqInfo.framesLeft; };
+	uint8 *giveCurrent(void) { return _currentScreen; };
+	void halvePalette(void);
+
+	//- regular screen.asm routines
+	void forceRefresh(void) { memset(_gameGrid, 0x80, GRID_X * GRID_Y); };
+	void fnFadeUp(uint32 palNum, uint32 scroll);
+	void fnFadeDown(uint32 scroll);
+	void fnDrawScreen(uint32 palette, uint32 scroll);
+	void clearScreen(void);
+
+	void recreate(void);
+	void flip(bool doUpdate = true);
+
+	void spriteEngine(void);
+
+	void paintBox(uint16 x, uint16 y);
+	void showGrid(uint8 *gridBuf);
+
+private:
+	OSystem *_system;
+	Disk *_skyDisk;
+	SkyCompact *_skyCompact;
+	static uint8 _top16Colours[16*3];
+	uint8 _palette[1024];
+	uint32 _currentPalette;
+	uint8 _seqGrid[20 * 12];
+
+	bool volatile _gotTick;
+	void waitForTimer(void);
+	void processSequence(void);
+
+	uint8 *_gameGrid;
+	uint8 *_currentScreen;
+	uint8 *_scrollScreen;
+	struct {
+		uint32 framesLeft;
+		uint32 delay;
+		uint8 *seqData;
+		uint8 *seqDataPos;
+		volatile bool running;
+		bool runningItem; // when playing an item, don't free it afterwards.
+	} _seqInfo;
+
+	//- more regular screen.asm + layer.asm routines
+	void convertPalette(uint8 *inPal, uint8* outPal);
+	void palette_fadedown_helper(uint32 *pal, uint num);
+
+	//- sprite.asm routines
+	// fixme: get rid of these globals
+	uint32 _sprWidth, _sprHeight, _sprX, _sprY, _maskX1, _maskX2;
+	void doSprites(uint8 layer);
+	void sortSprites(void);
+	void drawSprite(uint8 *spriteData, Compact *sprCompact);
+	void verticalMask(void);
+	void vertMaskSub(uint16 *grid, uint32 gridOfs, uint8 *screenPtr, uint32 layerId);
+	void vectorToGame(uint8 gridVal);
+};
+
+} // End of namespace Sky
+
+#endif //SKYSCREEN_H
-- 
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