MADS: Beginnings of code support for Scene::drawElements

1 files changed, 197 insertions, 0 deletions

diff --git a/engines/mads/sprites.h b/engines/mads/sprites.h
new file mode 100644
index 0000000000..6b131105dc
--- /dev/null
+++ b/engines/mads/sprites.h
@@ -0,0 +1,197 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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.
+ *
+ */
+
+#ifndef MADS_SPRITES_H
+#define MADS_SPRITES_H
+
+#include "common/scummsys.h"
+#include "common/array.h"
+#include "mads/assets.h"
+#include "mads/msurface.h"
+
+namespace MADS {
+
+enum SpriteType {
+	ST_NONE = 0, ST_FOREGROUND = 1, ST_BACKGROUND = -4,
+	ST_FULL_SCREEN_REFRESH = -2, ST_EXPIRED = -1
+};
+
+class MADSEngine;
+
+struct BGR8 {
+	uint8 b, g, r;
+};
+
+typedef struct {
+	int32	x;			// x position relative	to GrBuff(0, 0)
+	int32	y;			// y position relative	to GrBuff(0, 0)
+	int32	scale_x;	// x scale factor (can be negative for reverse draw)
+	int32	scale_y;	// y scale factor (can't be negative)
+	uint8*	depth_map;	// depth code array for destination (doesn't care if srcDepth is 0)
+	BGR8*	Pal;		// palette for shadow draw (doesn't care if SHADOW bit is not set in Src.encoding)
+	uint8*	ICT;		// Inverse Color Table (doesn't care if SHADOW bit is not set in Src.encoding)
+	uint8	depth;		// depth code for source (0 if no depth processing)
+} DrawRequestX;
+
+typedef struct
+{
+	uint32 Pack;
+	uint32 Stream;
+	long   hot_x;
+	long   hot_y;
+	uint32 Width;
+	uint32 Height;
+	uint32 Comp;
+	uint32 Reserved[8];
+	uint8* data;
+} RendCell;
+
+#define SS_HEADER_NUM_FIELDS 14
+struct SpriteSeriesHeader {
+	uint32 header;
+	uint32 size;
+	uint32 packing;
+	uint32 frameRate;
+	uint32 pixSpeed;
+	uint32 maxWidth;
+	uint32 maxHeight;
+	uint32 reserved3;
+	uint32 reserved4;
+	uint32 reserved5;
+	uint32 reserved6;
+	uint32 reserved7;
+	uint32 reserved8;
+	uint32 count;
+};
+
+#define SF_HEADER_NUM_FIELDS 15
+struct SpriteFrameHeader {
+	uint32 pack;
+	uint32 stream;
+	uint32 x;
+	uint32 y;
+	uint32 width;
+	uint32 height;
+	uint32 comp;
+	uint32 reserved1;
+	uint32 reserved2;
+	uint32 reserved3;
+	uint32 reserved4;
+	uint32 reserved5;
+	uint32 reserved6;
+	uint32 reserved7;
+	uint32 reserved8;
+};
+
+class MSprite: public MSurface {
+private:
+	void loadSprite(Common::SeekableReadStream *source);
+public:
+	MSprite();
+	MSprite(Common::SeekableReadStream *source, const Common::Point &offset, 
+		int widthVal, int heightVal, bool decodeRle = true, uint8 encodingVal = 0);
+	virtual ~MSprite();
+
+	Common::Point _pos;
+	Common::Point _offset;
+	uint8 _encoding;
+};
+
+class SpriteSlotSubset {
+public:
+	int _spritesIndex;
+	int _frameNumber;
+	Common::Point _position;
+	int _depth;
+	int _scale;
+};
+
+class SpriteSlot : public SpriteSlotSubset {
+private:
+	static MADSEngine *_vm;
+	friend class SpriteSlots;
+public:
+	SpriteType _spriteType;
+	int _seqIndex;
+public:
+	SpriteSlot();
+	SpriteSlot(SpriteType type, int seqIndex);
+
+	void setup(int dirtyAreaIndex);
+};
+
+class SpriteSlots : public Common::Array<SpriteSlot> {
+private:
+	MADSEngine *_vm;
+public:
+	SpriteSlots(MADSEngine *vm);
+
+	/**
+	* Clears any pending slot data and schedules a full screen refresh.
+	* @param flag		Also reset sprite list
+	*/
+	void clear(bool flag);
+
+	/**
+	* Delete any sprites used by the player
+	*/
+	void releasePlayerSprites();
+
+	/**
+	* Delete a sprite entry
+	* @param index		Specifies the index in the array
+	*/
+	void deleteEntry(int index);
+
+	/**
+	* Adds a full screen refresh to the sprite slots
+	*/
+	void fullRefresh(bool clearAll = false);
+
+	SpriteAsset &getSprite(int idx) {
+		error("TODO");
+	}
+	void deleteTimer(int idx) {
+		warning("TODO: SpriteSlots::deleteTimer");
+	}
+	int getIndex() {
+		warning("TODO: SpriteSlots::indexOf");
+		return -1;
+	}
+
+	/**
+	 * Draw any sprites into the background of the scene
+	 */
+	void drawBackground();
+};
+
+class SpriteSets : public Common::Array<SpriteAsset *> {
+public:
+	/**
+	* Add a sprite asset to the list
+	*/
+	int add(SpriteAsset *asset, int idx = 0);
+};
+
+} // End of namespace MADS
+
+#endif /* MADS_SPRITES_H */