SHERLOCK: RT: Beginnings of talk window widget class

6 files changed, 205 insertions, 5 deletions

diff --git a/engines/sherlock/module.mk b/engines/sherlock/module.mk
index 55d38401bf..8bbee9d701 100644
--- a/engines/sherlock/module.mk
+++ b/engines/sherlock/module.mk
@@ -25,6 +25,7 @@ MODULE_OBJS = \
 	tattoo/tattoo_user_interface.o \
 	tattoo/widget_base.o \
 	tattoo/widget_inventory.o \
+	tattoo/widget_talk.o \
 	tattoo/widget_text.o \
 	tattoo/widget_tooltip.o \
 	tattoo/widget_verbs.o \
diff --git a/engines/sherlock/talk.h b/engines/sherlock/talk.h
index d44fa15f7c..62a839e4ea 100644
--- a/engines/sherlock/talk.h
+++ b/engines/sherlock/talk.h
@@ -214,7 +214,6 @@ protected:
 	Common::Stack<SequenceEntry> _savedSequences;
 	Common::Stack<SequenceEntry> _sequenceStack;
 	Common::Stack<ScriptStackEntry> _scriptStack;
-	Common::Array<Statement> _statements;
 	Common::Array<TalkHistoryEntry> _talkHistory;
 	int _speaker;
 	int _talkIndex;
@@ -277,6 +276,7 @@ protected:
 
 public:
 	TalkSequence _talkSequenceStack[TALK_SEQUENCE_STACK_SIZE];
+	Common::Array<Statement> _statements;
 	bool _talkToAbort;
 	int _talkCounter;
 	int _talkTo;
diff --git a/engines/sherlock/tattoo/tattoo_talk.cpp b/engines/sherlock/tattoo/tattoo_talk.cpp
index 1ae36eaebe..ec75b31329 100644
--- a/engines/sherlock/tattoo/tattoo_talk.cpp
+++ b/engines/sherlock/tattoo/tattoo_talk.cpp
@@ -110,7 +110,7 @@ const byte TATTOO_OPCODES[] = {
 
 /*----------------------------------------------------------------*/
 
-TattooTalk::TattooTalk(SherlockEngine *vm) : Talk(vm) {
+TattooTalk::TattooTalk(SherlockEngine *vm) : Talk(vm), _talkWidget(vm) {
 	static OpcodeMethod OPCODE_METHODS[] = {
 		(OpcodeMethod)&TattooTalk::cmdSwitchSpeaker,
 
@@ -201,7 +201,8 @@ void TattooTalk::talkInterface(const byte *&str) {
 }
 
 void TattooTalk::openTalkWindow() {
-	// TODO
+	_talkWidget.load();
+	_talkWidget.summonWindow();
 }
 
 OpcodeReturn TattooTalk::cmdSwitchSpeaker(const byte *&str) {
diff --git a/engines/sherlock/tattoo/tattoo_talk.h b/engines/sherlock/tattoo/tattoo_talk.h
index 33eacd2db3..252518c462 100644
--- a/engines/sherlock/tattoo/tattoo_talk.h
+++ b/engines/sherlock/tattoo/tattoo_talk.h
@@ -30,6 +30,7 @@
 #include "common/stream.h"
 #include "common/stack.h"
 #include "sherlock/talk.h"
+#include "sherlock/tattoo/widget_talk.h"
 
 namespace Sherlock {
 
@@ -37,6 +38,8 @@ namespace Tattoo {
 
 class TattooTalk : public Talk {
 private:
+	WidgetTalk _talkWidget;
+
 	OpcodeReturn cmdSwitchSpeaker(const byte *&str);
 	OpcodeReturn cmdMouseOnOff(const byte *&str);
 	OpcodeReturn cmdGotoScene(const byte *&str);
@@ -77,8 +80,7 @@ private:
 	void drawTalk(const char *str);
 
 	/**
-	 * Figures out how many lines the available talk lines will take up, and opens a text window
-	 * of appropriate size
+	 * Open the talk window
 	 */
 	void openTalkWindow();
 protected:
diff --git a/engines/sherlock/tattoo/widget_talk.cpp b/engines/sherlock/tattoo/widget_talk.cpp
new file mode 100644
index 0000000000..ed0f2d35c8
--- /dev/null
+++ b/engines/sherlock/tattoo/widget_talk.cpp
@@ -0,0 +1,138 @@
+/* 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.
+ *
+ */
+
+#include "sherlock/tattoo/widget_talk.h"
+#include "sherlock/tattoo/tattoo_people.h"
+#include "sherlock/tattoo/tattoo_talk.h"
+#include "sherlock/tattoo/tattoo_scene.h"
+#include "sherlock/tattoo/tattoo_user_interface.h"
+#include "sherlock/tattoo/tattoo.h"
+
+namespace Sherlock {
+
+namespace Tattoo {
+
+WidgetTalk::WidgetTalk(SherlockEngine *vm) : WidgetBase(vm) {
+	_talkScroll = false;
+}
+
+void WidgetTalk::getTalkWindowSize() {
+	TattooTalk &talk = *(TattooTalk *)_vm->_talk;
+	Common::StringArray lines;
+	const char *const NUM_STR = "19.";
+	int width, height;
+
+	// See how many statements are going to be available
+	int numStatements = 0;
+	for (uint idx = 0; idx < talk._statements.size(); ++idx) {
+		if (talk._statements[idx]._talkMap != -1)
+			++numStatements;
+	}
+
+	// Figure out the width, allowing room for both the text and the statement numbers on the side
+	width = SHERLOCK_SCREEN_WIDTH * 2 / 3;
+	int n = (numStatements < 10) ? 1 : 0;
+	width -= _surface.stringWidth(NUM_STR + n) + _surface.widestChar() / 2 + 9;
+
+	// Now that we have a width, split up the text into individual lines
+	int numLines = 0;
+	for (uint idx = 0; idx < talk._statements.size(); ++idx) {
+		if (talk._statements[idx]._talkMap != -1) {
+			splitLines(talk._statements[idx]._statement, lines, width, 999);
+			numLines += lines.size();
+		}
+	}
+
+	// Make sure that the window does not get too big
+	if (numLines < 7) {
+		height = (_surface.fontHeight() + 1) * numLines + 9;
+		_talkScroll = false;
+	} else {
+		// Set up the height to a constrained amount, and add extra width for the scrollbar
+		width += BUTTON_SIZE + 3;
+		height = (_surface.fontHeight() + 1) * 6 + 9;
+		_talkScroll = false;
+	}
+
+	_bounds = Common::Rect(width, height);
+
+	// Allocate a surface for the window
+	_surface.create(_bounds.width(), _bounds.height());
+	_surface.fill(TRANSPARENCY);
+
+	// Form the background for the new window
+	makeInfoArea();
+
+	int yp = 5;
+	for (int lineNum = 0; yp < (_bounds.height() - _surface.fontHeight() / 2); ++lineNum) {
+		_surface.writeString(lines[lineNum], Common::Point(_surface.widestChar(), yp), INFO_TOP);
+		yp += _surface.fontHeight() + 1;
+	}
+}
+
+void WidgetTalk::load() {
+	TattooPeople &people = *(TattooPeople *)_vm->_people;
+	TattooScene &scene = *(TattooScene *)_vm->_scene;
+	TattooUserInterface &ui = *(TattooUserInterface *)_vm->_ui;
+	ImageFile &images = *ui._interfaceImages;
+
+	// Figure out the window size
+	getTalkWindowSize();
+
+	// Place the window centered above the player
+	Common::Point pt;
+	int scaleVal = scene.getScaleVal(people[HOLMES]._position);
+	pt.x = people[HOLMES]._position.x / FIXED_INT_MULTIPLIER;
+
+	if (scaleVal == SCALE_THRESHOLD) {
+		pt.x += people[0].frameWidth() / 2;
+		pt.y = people[HOLMES]._position.y / FIXED_INT_MULTIPLIER - people[HOLMES].frameHeight()
+			- _bounds.height() - _surface.fontHeight();
+	} else {
+		pt.x += people[HOLMES]._imageFrame->sDrawXSize(scaleVal) / 2;
+		pt.y = people[HOLMES]._position.y / FIXED_INT_MULTIPLIER - people[HOLMES]._imageFrame->sDrawYSize(scaleVal)
+			- _bounds.height() - _surface.fontHeight();
+	}
+
+	_bounds.moveTo(pt);
+
+	// Set up the surface
+	_surface.create(_bounds.width(), _bounds.height());
+	_surface.fill(TRANSPARENCY);
+
+	// Form the background for the new window
+	makeInfoArea();
+
+	// If a scrollbar is needed, draw it in
+	if (_talkScroll) {
+		int xp = _surface.w() - BUTTON_SIZE - 6;
+		_surface.vLine(xp, 3, _surface.h() - 4, INFO_TOP);
+		_surface.vLine(xp + 1, 3, _surface.h() - 4, INFO_MIDDLE);
+		_surface.vLine(xp + 2, 3, _surface.h() - 4, INFO_BOTTOM);
+		_surface.transBlitFrom(images[6], Common::Point(xp - 1, 1));
+		_surface.transBlitFrom(images[7], Common::Point(xp - 1, _surface.h() - 4));
+	}
+}
+
+} // End of namespace Tattoo
+
+} // End of namespace Sherlock
diff --git a/engines/sherlock/tattoo/widget_talk.h b/engines/sherlock/tattoo/widget_talk.h
new file mode 100644
index 0000000000..12ac93bab9
--- /dev/null
+++ b/engines/sherlock/tattoo/widget_talk.h
@@ -0,0 +1,58 @@
+/* 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 SHERLOCK_TATTOO_WIDGET_TALK_H
+#define SHERLOCK_TATTOO_WIDGET_TALK_H
+
+#include "common/scummsys.h"
+#include "sherlock/tattoo/widget_base.h"
+
+namespace Sherlock {
+
+class SherlockEngine;
+
+namespace Tattoo {
+
+/**
+ * Handles displaying a dialog with conversation options the player can select from
+ */
+class WidgetTalk: public WidgetBase {
+private:
+	bool _talkScroll;
+
+	void getTalkWindowSize();
+public:
+	WidgetTalk(SherlockEngine *vm);
+	virtual ~WidgetTalk() {}
+
+	/**
+	 * Figures out how many lines the available talk lines will take up, and opens a text window
+	 * of appropriate size
+	 */
+	void load();
+};
+
+} // End of namespace Tattoo
+
+} // End of namespace Sherlock
+
+#endif