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engines/ultima/ultima8/gumps/computer_gump.cpp

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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/>.
+ *
+ */
+
+#include "common/keyboard.h"
+
+#include "ultima/shared/std/string.h"
+#include "ultima/ultima8/gumps/computer_gump.h"
+#include "ultima/ultima8/games/game_data.h"
+#include "ultima/ultima8/audio/audio_process.h"
+#include "ultima/ultima8/gfx/shape.h"
+#include "ultima/ultima8/gfx/gump_shape_archive.h"
+#include "ultima/ultima8/gfx/shape_frame.h"
+#include "ultima/ultima8/gfx/fonts/rendered_text.h"
+#include "ultima/ultima8/gfx/fonts/font.h"
+#include "ultima/ultima8/gfx/fonts/font_manager.h"
+#include "ultima/ultima8/gfx/fonts/shape_font.h"
+#include "ultima/ultima8/usecode/uc_machine.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+DEFINE_RUNTIME_CLASSTYPE_CODE(ComputerGump)
+
+static const int COMPUTER_FONT = 6;
+static const int COMPUTER_GUMP_SHAPE = 30;
+static const int COMPUTER_GUMP_SOUND = 0x33;
+static const int MAX_LINE_LEN = 19;
+
+static const int TEXT_XOFF = 41;
+static const int TEXT_YOFF = 38;
+
+ComputerGump::ComputerGump()
+	: ModalGump(), _curTextLine(0), _charOff(0), _nextCharTick(0), _paused(false), _curDisplayLine(0), _tick(0) {
+	for (int i = 0; i < ARRAYSIZE(_renderedLines); i++) {
+		_renderedLines[i] = nullptr;
+	}
+}
+
+ComputerGump::ComputerGump(const Std::string &msg) :
+	ModalGump(0, 0, 100, 100), _curTextLine(0), _curDisplayLine(0),
+	_charOff(0), _nextCharTick(0), _paused(false), _tick(0) {
+	for (int i = 0; i < ARRAYSIZE(_renderedLines); i++) {
+		_renderedLines[i] = nullptr;
+	}
+
+	// Split the string on ^ or flow to 20 char lines.
+	debug("M '%s'", msg.c_str());
+	uint32 start = 0;
+	uint32 end = 0;
+	for (uint32 i = 0; i < msg.size(); i++) {
+		if (msg[i] == '^') {
+			_textLines.push_back(msg.substr(start, end - start));
+			debug("^ %d %d %d '%s'", i, start, end, _textLines.back().c_str());
+			end = i + 1;
+			start = i + 1;
+			continue;
+		}
+		end++;
+		if (end >= msg.size())
+			break;
+		if (end - start >= MAX_LINE_LEN) {
+			while (end > start && msg[end] != ' ')
+				end--;
+			_textLines.push_back(msg.substr(start, end - start));
+			debug("L %d %d %d '%s'", i, start, end, _textLines.back().c_str());
+			i = end;
+			end = i + 1;
+			start = i + 1;
+		}
+	}
+	if (start < msg.size())
+		_textLines.push_back(msg.substr(start));
+}
+
+ComputerGump::~ComputerGump(void) {
+	for (int i = 0; i < ARRAYSIZE(_renderedLines); i++) {
+		if (_renderedLines[i])
+			delete _renderedLines[i];
+	}
+}
+
+void ComputerGump::InitGump(Gump *newparent, bool take_focus) {
+	ModalGump::InitGump(newparent, take_focus);
+
+	Shape *shape = GameData::get_instance()->getGumps()->
+							getShape(COMPUTER_GUMP_SHAPE);
+	if (!shape) {
+		error("Couldn't load shape for computer");
+		return;
+	}
+
+	const ShapeFrame *topFrame = shape->getFrame(0);
+	const ShapeFrame *botFrame = shape->getFrame(1);
+	if (!topFrame || !botFrame) {
+		error("Couldn't load shape frames for computer");
+		return;
+	}
+
+	_dims.left = 0;
+	_dims.top = 0;
+	_dims.setWidth(topFrame->_width);
+	_dims.setHeight(topFrame->_height + botFrame->_height);
+
+	Gump *topGump = new Gump(0, 0, topFrame->_width, topFrame->_height);
+	topGump->SetShape(shape, 0);
+	topGump->InitGump(this, false);
+	Gump *botGump = new Gump(0, topFrame->_height, botFrame->_width, botFrame->_height);
+	botGump->SetShape(shape, 1);
+	botGump->InitGump(this, false);
+
+}
+
+void ComputerGump::run() {
+	ModalGump::run();
+
+	_tick++;
+	if (_paused || _tick < _nextCharTick)
+		return;
+
+	bool playsound = nextChar();
+
+	AudioProcess *audio = AudioProcess::get_instance();
+	if (playsound && audio) {
+		if (audio->isSFXPlaying(COMPUTER_GUMP_SOUND))
+			audio->stopSFX(COMPUTER_GUMP_SOUND, 0);
+		audio->playSFX(COMPUTER_GUMP_SOUND, 0x80, 0, 1);
+	}
+}
+
+
+bool ComputerGump::nextChar() {
+	Font *computerfont = FontManager::get_instance()->getGameFont(COMPUTER_FONT, true);
+
+	if (_charOff >= _textLines[_curTextLine].size()) {
+		_curTextLine++;
+		_curDisplayLine++;
+		_charOff = 0;
+
+		if (_curTextLine >= _textLines.size()) {
+			_paused = true;
+			return false;
+		}
+	}
+
+	_nextCharTick = _tick + 2;
+
+	Common::String display;
+	if (_curDisplayLine == ARRAYSIZE(_renderedLines) - 1) {
+		display = "<MORE>";
+		_paused = true;
+	} else {
+		const Common::String &curline = _textLines[_curTextLine];
+		if (_charOff < curline.size() && curline[_charOff] == '*') {
+			_nextCharTick += 10;
+			_charOff++;
+			return false;
+		}
+		_charOff++;
+		for (uint32 i = 0; i < _charOff && i < curline.size(); i++) {
+			char next = curline[i];
+			if (next == '*')
+				display += ' ';
+			else
+				display += next;
+		}
+	}
+
+	// Render the new line
+	unsigned int remaining;
+	RenderedText *rendered = computerfont->renderText(display, remaining);
+
+	if (_renderedLines[_curDisplayLine] != nullptr) {
+		delete _renderedLines[_curDisplayLine];
+	}
+	_renderedLines[_curDisplayLine] = rendered;
+
+	return true;
+}
+
+
+void ComputerGump::Paint(RenderSurface *surf, int32 lerp_factor, bool scaled) {
+	ModalGump::Paint(surf, lerp_factor, scaled);
+	for (int i = 0; i < ARRAYSIZE(_renderedLines); i++) {
+		if (_renderedLines[i] != nullptr)
+			_renderedLines[i]->draw(surf, _x + TEXT_XOFF, _y + TEXT_YOFF + i * 9);
+	}
+}
+
+void ComputerGump::nextScreen() {
+	_nextCharTick = 0;
+	_charOff = 0;
+	_paused = false;
+	_curTextLine++;
+	_curDisplayLine = 0;
+
+	for (int i = 0; i < ARRAYSIZE(_renderedLines); i++) {
+		if (_renderedLines[i] != nullptr) {
+			delete _renderedLines[i];
+			_renderedLines[i] = nullptr;
+		}
+	}
+
+	if (_curTextLine >= _textLines.size())
+		Close();
+}
+
+Gump *ComputerGump::onMouseDown(int button, int32 mx, int32 my) {
+	if (_paused) {
+		nextScreen();
+	} else {
+		// Not super efficient but it does the job.
+		while (!_paused)
+			nextChar();
+	}
+	return this;
+}
+
+bool ComputerGump::OnKeyDown(int key, int mod) {
+	if (key == Common::KEYCODE_ESCAPE) {
+		_paused = true;
+		Close();
+	}
+
+	if (_paused) {
+		nextScreen();
+	} else {
+		// Not super efficient but it does the job.
+		while (!_paused)
+			nextChar();
+	}
+
+	return true;
+}
+
+uint32 ComputerGump::I_readComputer(const uint8 *args, unsigned int /*argsize*/) {
+	ARG_STRING(str);
+
+	Gump *gump = new ComputerGump(str);
+	gump->InitGump(0);
+	gump->setRelativePosition(CENTER);
+
+	return 0;
+}
+
+void ComputerGump::saveData(Common::WriteStream *ws) {
+	warning("Trying to save ModalGump");
+}
+
+bool ComputerGump::loadData(Common::ReadStream *rs, uint32 version) {
+	warning("Trying to load ModalGump");
+
+	return false;
+}
+
+} // End of namespace Ultima8
+} // End of namespace Ultima