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engines/tony/font.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/>.
+ *
+ */
+/*
+ * This code is based on original Tony Tough source code
+ *
+ * Copyright (c) 1997-2003 Nayma Software
+ */
+
+#ifndef TONY_FONT_H
+#define TONY_FONT_H
+
+#include "common/system.h"
+#include "common/coroutines.h"
+#include "tony/gfxcore.h"
+#include "tony/resid.h"
+
+namespace Tony {
+
+class RMInput;
+class RMInventory;
+class RMItem;
+class RMLoc;
+class RMLocation;
+class RMPointer;
+
+/**
+ * Manages a font, in which there is a different surface for each letter
+ */
+class RMFont : public RMGfxTaskSetPrior {
+protected:
+	int _nLetters;
+	RMGfxSourceBuffer8RLEByte *_letter;
+public:
+	int _fontDimx, _fontDimy;
+
+private:
+	int _dimx, _dimy;
+
+	class RMFontPrimitive : public RMGfxPrimitive {
+	public:
+		RMFontPrimitive() : RMGfxPrimitive() { _nChar = 0; }
+		RMFontPrimitive(RMGfxTask *task) : RMGfxPrimitive(task) { _nChar = 0; }
+		~RMFontPrimitive() override { }
+		RMGfxPrimitive *duplicate() override {
+			return new RMFontPrimitive(*this);
+		}
+
+		int _nChar;
+	};
+
+protected:
+	// Loads the font
+	void load(uint32 resID, int nChars, int dimx, int dimy, uint32 palResID = RES_F_PAL);
+	void load(const byte *buf, int nChars, int dimx, int dimy, uint32 palResID = RES_F_PAL);
+
+	// Remove the font
+	void unload();
+
+protected:
+	// Conversion form character to font index
+	virtual int convertToLetter(byte nChar) = 0;
+
+	// Character width
+	virtual int letterLength(int nChar, int nNext = 0) = 0;
+
+public:
+	virtual int letterHeight() = 0;
+
+public:
+	RMFont();
+	~RMFont() override;
+
+	// Initialization and closing
+	virtual void init() = 0;
+	virtual void close();
+
+	// Drawing
+	void draw(CORO_PARAM, RMGfxTargetBuffer &bigBug, RMGfxPrimitive *prim) override;
+
+	// Create a primitive for a letter
+	RMGfxPrimitive *makeLetterPrimitive(byte bChar, int &nLength);
+
+	// Length in pixels of a string with the current font
+	int stringLen(const Common::String &text);
+	int stringLen(char bChar, char bNext = 0);
+};
+
+class RMFontColor : public virtual RMFont {
+private:
+	byte _fontR, _fontG, _fontB;
+
+public:
+	RMFontColor();
+	~RMFontColor() override;
+	virtual void setBaseColor(byte r, byte g, byte b);
+};
+
+class RMFontWithTables : public virtual RMFont {
+protected:
+	int _cTable[256];
+	int _lTable[256];
+	int _lDefault;
+	int _hDefault;
+	signed char _l2Table[256][256];
+
+protected:
+	// Overloaded methods
+	int convertToLetter(byte nChar) override;
+	int letterLength(int nChar, int nNext = 0) override;
+
+public:
+	int letterHeight() override {
+		return _hDefault;
+	}
+	~RMFontWithTables() override {}
+};
+
+class RMFontDialog : public RMFontColor, public RMFontWithTables {
+public:
+	void init() override;
+	~RMFontDialog() override {}
+};
+
+class RMFontObj : public RMFontColor, public RMFontWithTables {
+private:
+	void setBothCase(int nChar, int nNext, signed char spiazz);
+
+public:
+	void init() override;
+	~RMFontObj() override {}
+};
+
+class RMFontMacc : public RMFontColor, public RMFontWithTables {
+public:
+	void init() override;
+	~RMFontMacc() override {}
+};
+
+class RMFontCredits : public RMFontColor, public RMFontWithTables {
+public:
+	void init() override;
+	~RMFontCredits() override {}
+	void setBaseColor(byte r, byte g, byte b) override {}
+};
+
+/**
+ * Manages writing text onto9 the screen
+ */
+class RMText : public RMGfxWoodyBuffer {
+private:
+	static RMFontColor *_fonts[4];
+	int _maxLineLength;
+
+public:
+	enum HorAlign {
+		HLEFT,
+		HLEFTPAR,
+		HCENTER,
+		HRIGHT
+	};
+
+	enum VerAlign {
+		VTOP,
+		VCENTER,
+		VBOTTOM
+	};
+
+private:
+	HorAlign _aHorType;
+	VerAlign _aVerType;
+	byte _textR, _textG, _textB;
+
+protected:
+	virtual void clipOnScreen(RMGfxPrimitive *prim);
+
+public:
+	RMText();
+	~RMText() override;
+	static void initStatics();
+	static void unload();
+
+	// Set the alignment type
+	void setAlignType(HorAlign aHor, VerAlign aVer);
+
+	// Sets the maximum length of a line in pixels (used to format the text)
+	void setMaxLineLength(int max);
+
+	// Write the text
+	void writeText(const Common::String &text, int font, int *time = NULL);
+	void writeText(Common::String text, RMFontColor *font, int *time = NULL);
+
+	// Overloaded function to decide when you delete the object from the OT list
+	void removeThis(CORO_PARAM, bool &result) override;
+
+	// Overloading of the Draw to center the text, if necessary
+	void draw(CORO_PARAM, RMGfxTargetBuffer &bigBuf, RMGfxPrimitive *prim) override;
+
+	// Set the base color
+	void setColor(byte r, byte g, byte b);
+};
+
+/**
+ * Manages text in a dialog
+ */
+class RMTextDialog : public RMText {
+protected:
+	int _startTime;
+	int _time;
+	bool _bSkipStatus;
+	RMPoint _dst;
+	uint32 _hEndDisplay;
+	bool _bShowed;
+	bool _bForceTime;
+	bool _bForceNoTime;
+	uint32 _hCustomSkip;
+	uint32 _hCustomSkip2;
+	RMInput *_input;
+	bool _bAlwaysDisplay;
+	bool _bNoTab;
+
+public:
+	RMTextDialog();
+	~RMTextDialog() override;
+
+	// Write the text
+	void writeText(const Common::String &text, int font, int *time = NULL);
+	void writeText(const Common::String &text, RMFontColor *font, int *time = NULL);
+
+	// Overloaded function to decide when you delete the object from the OT list
+	void removeThis(CORO_PARAM, bool &result) override;
+
+	// Overloaded de-registration
+	void unregister() override;
+
+	// Overloading of the Draw to center the text, if necessary
+	void draw(CORO_PARAM, RMGfxTargetBuffer &bigBuf, RMGfxPrimitive *prim) override;
+
+	// Set the position
+	void setPosition(const RMPoint &pt);
+
+	// Waiting
+	void waitForEndDisplay(CORO_PARAM);
+	void setCustomSkipHandle(uint32 hCustomSkip);
+	void setCustomSkipHandle2(uint32 hCustomSkip);
+	void setSkipStatus(bool bEnabled);
+	void setForcedTime(uint32 dwTime);
+	void setNoTab();
+	void forceTime();
+	void forceNoTime();
+	void setAlwaysDisplay();
+
+	// Set the input device, to allow skip from mouse
+	void setInput(RMInput *input);
+
+	void show();
+	void hide(CORO_PARAM);
+};
+
+class RMTextDialogScrolling : public RMTextDialog {
+protected:
+	RMLocation *_curLoc;
+	RMPoint _startScroll;
+
+	void clipOnScreen(RMGfxPrimitive *prim) override;
+
+public:
+	RMTextDialogScrolling();
+	RMTextDialogScrolling(RMLocation *loc);
+	~RMTextDialogScrolling() override;
+
+	void draw(CORO_PARAM, RMGfxTargetBuffer &bigBuf, RMGfxPrimitive *prim) override;
+};
+
+/**
+ * Manages the name of a selected item on the screen
+ */
+class RMTextItemName : protected RMText {
+protected:
+	RMPoint _mpos;
+	RMPoint _curscroll;
+	RMItem *_item;
+
+public:
+	RMTextItemName();
+	~RMTextItemName() override;
+
+	void setMouseCoord(const RMPoint &m);
+
+	void doFrame(CORO_PARAM, RMGfxTargetBuffer &bigBuf, RMLocation &loc, RMPointer &ptr, RMInventory &inv);
+	void draw(CORO_PARAM, RMGfxTargetBuffer &bigBuf, RMGfxPrimitive *prim) override;
+
+	RMPoint getHotspot();
+	RMItem *getSelectedItem();
+	bool isItemSelected();
+
+	void removeThis(CORO_PARAM, bool &result) override;
+};
+
+/**
+ * Manages the selection of screen items in a box
+ */
+class RMDialogChoice : public RMGfxWoodyBuffer {
+private:
+	int _curSelection;
+	int _numChoices;
+	RMText *_drawedStrings;
+	RMPoint *_ptDrawStrings;
+	int _curAdded;
+	bool _bShow;
+	RMGfxSourceBuffer8 _dlgText;
+	RMGfxSourceBuffer8 _dlgTextLine;
+	RMPoint _ptDrawPos;
+	uint32 _hUnreg;
+	bool _bRemoveFromOT;
+
+protected:
+	void prepare(CORO_PARAM);
+	void setSelected(CORO_PARAM, int pos);
+
+public:
+	void removeThis(CORO_PARAM, bool &result) override;
+	void draw(CORO_PARAM, RMGfxTargetBuffer &bigBuf, RMGfxPrimitive *prim) override;
+	void unregister() override;
+
+public:
+	// Initialization
+	RMDialogChoice();
+	~RMDialogChoice() override;
+
+	// Initialization and closure
+	using RMGfxWoodyBuffer::init;
+	void init();
+	void close();
+
+	// Sets the number of possible sentences, which then be added with AddChoice()
+	void setNumChoices(int num);
+
+	// Adds a string with the choice
+	void addChoice(const Common::String &string);
+
+	// Show and hide the selection, with possible animations.
+	// NOTE: If no parameter is passed to Show(), it is the obligation of
+	// caller to ensure that the class is inserted into OT list
+	void show(CORO_PARAM, RMGfxTargetBuffer *bigBuf = NULL);
+	void hide(CORO_PARAM);
+
+	// Polling Update
+	void doFrame(CORO_PARAM, RMPoint ptMousePos);
+
+	// Returns the currently selected item, or -1 if none is selected
+	int getSelection();
+};
+
+} // End of namespace Tony
+
+#endif