Initial commit

engines/dgds/dialog.h

@@ -0,0 +1,160 @@
+/* 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 DGDS_DIALOG_H
+#define DGDS_DIALOG_H
+
+#include "common/stream.h"
+#include "common/array.h"
+#include "common/error.h"
+#include "common/serializer.h"
+
+#include "dgds/dgds_rect.h"
+
+namespace Graphics {
+class ManagedSurface;
+}
+
+namespace Dgds {
+
+class DgdsFont;
+class SceneOp;
+
+enum DialogFlags {
+	kDlgFlagNone     =         0,
+	kDlgFlagFlatBg   =         1,
+	kDlgFlagLeftJust =         2,
+	kDlgFlagLo4      =         4,
+	kDlgFlagLo8      =         8,
+	kDlgFlagLo80     =      0x80,
+	kDlgFlagHiFinished = 0x10000,
+	kDlgFlagHi2      =   0x20000,
+	kDlgFlagHi4      =   0x40000,
+	kDlgFlagRedrawSelectedActionChanged      =   0x80000,
+	kDlgFlagHi10     =  0x100000,
+	kDlgFlagHi20     =  0x200000,
+	kDlgFlagHi40     =  0x400000,
+	kDlgFlagVisible  =  0x800000,
+	kDlgFlagOpening  = 0x1000000,
+};
+
+enum DialogFrameType {
+	kDlgFramePlain = 1,
+	kDlgFrameBorder = 2,
+	kDlgFrameThought = 3,
+	kDlgFrameRounded = 4
+};
+
+enum DialogDrawStage {
+	kDlgDrawStageForeground = 0,
+	kDlgDrawStageBackground = 1,
+	kDlgDrawFindSelectionPointXY = 2,
+	kDlgDrawFindSelectionTxtOffset = 3,
+};
+
+struct DialogAction {
+	int16 num;
+	// The game initializes str offsets to pointers, but let's be a bit nicer.
+	uint16 strStart; /// The start of the clickable text for this action
+	uint16 strEnd;	 /// End of clickable text for this action
+	//byte unk[8]; /* Not initialized in loader */
+	Common::Array<SceneOp> sceneOpList;  /// ops to run when this is selected
+
+	Common::String dump(const Common::String &indent) const;
+};
+
+class DialogState {
+public:
+	DialogState() : _hideTime(0), _lastMouseX(0), _lastMouseY(0), _charWidth(0),
+			_charHeight(0), _strMouseLoc(0), _selectedAction(nullptr) {}
+	uint _hideTime;
+	DgdsRect _loc;
+	int _lastMouseX;
+	int _lastMouseY;
+	uint16 _charWidth;
+	uint16 _charHeight;
+	int _strMouseLoc;
+	struct DialogAction *_selectedAction;
+
+	Common::String dump(const Common::String &indent) const;
+	Common::Error syncState(Common::Serializer &s);
+};
+
+class Dialog {
+public:
+	Dialog();
+	uint16 _num;
+	uint16 _fileNum; // HOC onward
+	DgdsRect _rect;
+	uint16 _bgColor;
+	uint16 _fontColor;
+	uint16 _selectionBgCol;
+	uint16 _selectonFontCol;
+	uint16 _fontSize;
+	DialogFlags _flags;
+	DialogFrameType _frameType;
+	uint16 _time;
+	uint16 _nextDialogFileNum; // HOC onward, always set 0 in dragon.
+	uint16 _nextDialogDlgNum;
+	uint16 _talkDataNum; // Willy onward, always set 0 in dragon and HoC
+	uint16 _talkDataHeadNum; // Willy onward, always set 0 in dragon and HoC
+	Common::Array<DialogAction> _action;
+	Common::String _str;
+
+	Common::SharedPtr<DialogState> _state;
+
+ 	void draw(Graphics::ManagedSurface *dst, DialogDrawStage stage);
+	void setFlag(DialogFlags flg);
+	void clearFlag(DialogFlags flg);
+	void flipFlag(DialogFlags flg);
+	bool hasFlag(DialogFlags flg) const;
+	void updateSelectedAction(int delta);
+	struct DialogAction *pickAction(bool isClosing, bool isForceClose);
+	Common::String dump(const Common::String &indent) const;
+	void clear();
+
+	Common::Error syncState(Common::Serializer &s);
+
+private:
+	void drawType1(Graphics::ManagedSurface *dst, DialogDrawStage stage);
+	void drawType2(Graphics::ManagedSurface *dst, DialogDrawStage stage);
+	void drawType3(Graphics::ManagedSurface *dst, DialogDrawStage stage);
+	void drawType4(Graphics::ManagedSurface *dst, DialogDrawStage stage);
+
+	void drawType2BackgroundDragon(Graphics::ManagedSurface *dst, const Common::String &title);
+	void drawType2BackgroundChina(Graphics::ManagedSurface *dst, const Common::String &title);
+	void drawType2BackgroundBeamish(Graphics::ManagedSurface *dst, const Common::String &title);
+
+	void drawFindSelectionXY();
+	void drawFindSelectionTxtOffset();
+	void drawForeground(Graphics::ManagedSurface *dst, uint16 fontcol, const Common::String &txt);
+
+	const DgdsFont *getDlgTextFont() const;
+
+	static int _lastSelectedDialogItemNum;
+	static Dialog *_lastDialogSelectionChangedFor;
+};
+
+
+
+} // end namespace Dgds
+
+#endif // DGDS_DIALOG_H