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engines/neverhood/graphics.h

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef NEVERHOOD_GRAPHICS_H
+#define NEVERHOOD_GRAPHICS_H
+
+#include "common/array.h"
+#include "common/file.h"
+#include "graphics/surface.h"
+#include "neverhood/neverhood.h"
+
+namespace Neverhood {
+
+struct NPoint {
+	int16 x, y;
+};
+
+typedef Common::Array<NPoint> NPointArray;
+
+struct NDimensions {
+	int16 width, height;
+};
+
+struct NRect {
+	int16 x1, y1, x2, y2;
+
+	static NRect make(int16 x01, int16 y01, int16 x02, int16 y02) {
+		NRect r;
+		r.set(x01, y01, x02, y02);
+		return r;
+	}
+
+	void set(int16 x01, int16 y01, int16 x02, int16 y02) {
+		x1 = x01;
+		y1 = y01;
+		x2 = x02;
+		y2 = y02;
+	}
+
+	bool contains(int16 x, int16 y) const {
+		return x >= x1 && x <= x2 && y >= y1 && y <= y2;
+	}
+
+};
+
+typedef Common::Array<NRect> NRectArray;
+
+// TODO: Use Common::Rect
+struct NDrawRect {
+	int16 x, y, width, height;
+	NDrawRect() : x(0), y(0), width(0), height(0) {}
+	NDrawRect(int16 x0, int16 y0, int16 width0, int16 height0) : x(x0), y(y0), width(width0), height(height0) {}
+	int16 x2() { return x + width; }
+	int16 y2() { return y + height; }
+	void set(int16 x0, int16 y0, int16 width0, int16 height0) {
+		x = x0;
+		y = y0;
+		width = width0;
+		height = height0;
+	}
+};
+
+class AnimResource;
+class SpriteResource;
+class MouseCursorResource;
+
+class BaseSurface {
+public:
+	BaseSurface(NeverhoodEngine *vm, int priority, int16 width, int16 height, Common::String name);
+	virtual ~BaseSurface();
+	virtual void draw();
+	void clear();
+	void drawSpriteResource(SpriteResource &spriteResource);
+	void drawSpriteResourceEx(SpriteResource &spriteResource, bool flipX, bool flipY, int16 width, int16 height);
+	void drawAnimResource(AnimResource &animResource, uint frameIndex, bool flipX, bool flipY, int16 width, int16 height);
+	void drawMouseCursorResource(MouseCursorResource &mouseCursorResource, int frameNum);
+	void copyFrom(Graphics::Surface *sourceSurface, int16 x, int16 y, NDrawRect &sourceRect);
+	int getPriority() const { return _priority; }
+	void setPriority(int priority) { _priority = priority; }
+	NDrawRect& getDrawRect() { return _drawRect; }
+	NDrawRect& getSysRect() { return _sysRect; }
+	NRect& getClipRect() { return _clipRect; }
+	void setClipRect(NRect clipRect) { _clipRect = clipRect; }
+	void setClipRects(NRect *clipRects, uint clipRectsCount) { _clipRects = clipRects; _clipRectsCount = clipRectsCount; }
+	void clearClipRects() { _clipRects = NULL; _clipRectsCount = 0; }
+	bool getVisible() const { return _visible; }
+	void setVisible(bool value) { _visible = value; }
+	void setTransparent(bool value) { _transparent = value; }
+	Graphics::Surface *getSurface() { return _surface; }
+	const Common::String getName() const { return _name; }
+protected:
+	NeverhoodEngine *_vm;
+	int _priority;
+	bool _visible;
+	Common::String _name;
+	Graphics::Surface *_surface;
+	NDrawRect _drawRect;
+	NDrawRect _sysRect;
+	NRect _clipRect;
+	NRect *_clipRects;
+	uint _clipRectsCount;
+	bool _transparent;
+	// Version changes each time the pixels are touched in any way
+	byte _version;
+};
+
+class ShadowSurface : public BaseSurface {
+public:
+	ShadowSurface(NeverhoodEngine *vm, int priority, int16 width, int16 height, const Common::SharedPtr<BaseSurface> &shadowSurface);
+	void draw() override;
+protected:
+	Common::SharedPtr<BaseSurface> _shadowSurface;
+};
+
+class FontSurface : public BaseSurface {
+public:
+	FontSurface(NeverhoodEngine *vm, NPointArray *tracking, uint charsPerRow, uint16 numRows, byte firstChar, uint16 charWidth, uint16 charHeight);
+	FontSurface(NeverhoodEngine *vm, uint32 fileHash, uint charsPerRow, uint16 numRows, byte firstChar, uint16 charWidth, uint16 charHeight);
+	~FontSurface() override;
+	void drawChar(BaseSurface *destSurface, int16 x, int16 y, byte chr);
+	void drawString(const Common::SharedPtr<BaseSurface> &destSurface, int16 x, int16 y, const byte *string, int stringLen = -1);
+	int16 getStringWidth(const byte *string, int stringLen);
+	uint16 getCharWidth() const { return _charWidth; }
+	uint16 getCharHeight() const { return _charHeight; }
+	static FontSurface *createFontSurface(NeverhoodEngine *vm, uint32 fileHash);
+protected:
+	uint _charsPerRow;
+	uint16 _numRows;
+	byte _firstChar;
+	uint16 _charWidth;
+	uint16 _charHeight;
+	NPointArray *_tracking;
+};
+
+// Misc
+
+void parseBitmapResource(const byte *sprite, bool *rle, NDimensions *dimensions, NPoint *position, const byte **palette, const byte **pixels);
+void unpackSpriteRle(const byte *source, int width, int height, byte *dest, int destPitch, bool flipX, bool flipY, byte oldColor = 0, byte newColor = 0);
+void unpackSpriteNormal(const byte *source, int width, int height, byte *dest, int destPitch, bool flipX, bool flipY);
+int calcDistance(int16 x1, int16 y1, int16 x2, int16 y2);
+
+} // End of namespace Neverhood
+
+#endif /* NEVERHOOD_GRAPHICS_H */