1 files changed, 351 insertions, 0 deletions
diff --git a/engines/gob/pregob/pregob.cpp b/engines/gob/pregob/pregob.cpp
new file mode 100644
index 0000000000..54eb3c6795
--- /dev/null
+++ b/engines/gob/pregob/pregob.cpp
@@ -0,0 +1,351 @@
+/* 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 "graphics/cursorman.h"
+
+#include "gob/gob.h"
+#include "gob/global.h"
+#include "gob/util.h"
+#include "gob/surface.h"
+#include "gob/dataio.h"
+#include "gob/palanim.h"
+#include "gob/draw.h"
+#include "gob/video.h"
+#include "gob/aniobject.h"
+
+#include "gob/sound/sound.h"
+
+#include "gob/pregob/pregob.h"
+#include "gob/pregob/gctfile.h"
+
+
+namespace Gob {
+
+const char  PreGob::kLanguageSuffixShort[5] = { 't',  'g',  'a',  'e',  'i'};
+const char *PreGob::kLanguageSuffixLong [5] = {"fr", "al", "an", "it", "es"};
+
+
+PreGob::PreGob(GobEngine *vm) : _vm(vm), _fadedOut(false) {
+}
+
+PreGob::~PreGob() {
+}
+
+void PreGob::fadeOut() {
+	if (_fadedOut || _vm->shouldQuit())
+		return;
+
+	// Fade to black
+	_vm->_palAnim->fade(0, 0, 0);
+
+	_fadedOut = true;
+}
+
+void PreGob::fadeIn() {
+	if (!_fadedOut || _vm->shouldQuit())
+		return;
+
+	// Fade to palette
+	_vm->_draw->blitInvalidated();
+	_vm->_palAnim->fade(_vm->_global->_pPaletteDesc, 0, 0);
+	_vm->_draw->dirtiedRect(_vm->_draw->_backSurface, 0, 0, 319, 199);
+
+	_fadedOut = false;
+}
+
+void PreGob::clearScreen() {
+	_vm->_draw->_backSurface->clear();
+	_vm->_draw->dirtiedRect(_vm->_draw->_backSurface, 0, 0, 319, 199);
+	_vm->_draw->blitInvalidated();
+	_vm->_video->retrace();
+}
+
+void PreGob::initScreen() {
+	_vm->_util->setFrameRate(15);
+
+	_fadedOut = true;
+
+	_vm->_draw->initScreen();
+
+	_vm->_draw->_backSurface->clear();
+	_vm->_util->clearPalette();
+
+	_vm->_draw->forceBlit();
+	_vm->_video->retrace();
+
+	_vm->_util->processInput();
+}
+
+void PreGob::setPalette(const byte *palette, uint16 size) {
+	memcpy(_vm->_draw->_vgaPalette, palette, 3 * size);
+
+	// If we didn't fade out prior, immediately set the palette
+	if (!_fadedOut)
+		_vm->_video->setFullPalette(_vm->_global->_pPaletteDesc);
+}
+
+void PreGob::addCursor() {
+	CursorMan.pushCursor(0, 0, 0, 0, 0, 0);
+}
+
+void PreGob::removeCursor() {
+	CursorMan.popCursor();
+}
+
+void PreGob::setCursor(Surface &sprite, int16 hotspotX, int16 hotspotY) {
+	CursorMan.replaceCursor(sprite.getData(), sprite.getWidth(), sprite.getHeight(), hotspotX, hotspotY, 0);
+}
+
+void PreGob::setCursor(Surface &sprite, int16 left, int16 top, int16 right, int16 bottom,
+                       int16 hotspotX, int16 hotspotY) {
+
+	const int width  = right  - left + 1;
+	const int height = bottom - top  + 1;
+
+	if ((width <= 0) || (height <= 0))
+		return;
+
+	Surface cursor(width, height, 1);
+
+	cursor.blit(sprite, left, top, right, bottom, 0, 0);
+
+	setCursor(cursor, hotspotX, hotspotX);
+}
+
+void PreGob::showCursor() {
+	CursorMan.showMouse(true);
+
+	_vm->_draw->_showCursor = 4;
+}
+
+void PreGob::hideCursor() {
+	CursorMan.showMouse(false);
+
+	_vm->_draw->_showCursor = 0;
+}
+
+bool PreGob::isCursorVisible() const {
+	return CursorMan.isVisible();
+}
+
+void PreGob::loadSounds(const char * const *sounds, uint soundCount) {
+	freeSounds();
+
+	_sounds.resize(soundCount);
+
+	for (uint i = 0; i < soundCount; i++)
+		loadSound(_sounds[i], sounds[i]);
+}
+
+void PreGob::freeSounds() {
+	_sounds.clear();
+}
+
+bool PreGob::loadSound(SoundDesc &sound, const Common::String &file) const {
+	return _vm->_sound->sampleLoad(&sound, SOUND_SND, file.c_str());
+}
+
+void PreGob::playSound(uint sound, int16 frequency, int16 repCount) {
+	if (sound >= _sounds.size())
+		return;
+
+	_vm->_sound->blasterPlay(&_sounds[sound], repCount, frequency);
+}
+
+void PreGob::stopSound() {
+	_vm->_sound->blasterStop(0);
+}
+
+void PreGob::playSoundFile(const Common::String &file, int16 frequency, int16 repCount, bool interruptible) {
+	stopSound();
+
+	SoundDesc sound;
+	if (!loadSound(sound, file))
+		return;
+
+	_vm->_sound->blasterPlay(&sound, repCount, frequency);
+
+	_vm->_util->forceMouseUp();
+
+	bool finished = false;
+	while (!_vm->shouldQuit() && !finished && _vm->_sound->blasterPlayingSound()) {
+		endFrame(true);
+
+		finished = hasInput();
+	}
+
+	_vm->_util->forceMouseUp();
+
+	stopSound();
+}
+
+void PreGob::beep(int16 frequency, int32 length) {
+	_vm->_sound->speakerOn(frequency, length);
+}
+
+void PreGob::endFrame(bool doInput) {
+	_vm->_draw->blitInvalidated();
+	_vm->_util->waitEndFrame();
+
+	if (doInput)
+		_vm->_util->processInput();
+}
+
+int16 PreGob::checkInput(int16 &mouseX, int16 &mouseY, MouseButtons &mouseButtons) {
+	_vm->_util->getMouseState(&mouseX, &mouseY, &mouseButtons);
+	_vm->_util->forceMouseUp();
+
+	return _vm->_util->checkKey();
+}
+
+int16 PreGob::waitInput(int16 &mouseX, int16 &mouseY, MouseButtons &mouseButtons) {
+	bool finished = false;
+
+	int16 key = 0;
+	while (!_vm->shouldQuit() && !finished) {
+		endFrame(true);
+
+		key = checkInput(mouseX, mouseY, mouseButtons);
+
+		finished = (mouseButtons != kMouseButtonsNone) || (key != 0);
+	}
+
+	return key;
+}
+
+int16 PreGob::waitInput() {
+	int16 mouseX, mouseY;
+	MouseButtons mouseButtons;
+
+	return waitInput(mouseX, mouseY, mouseButtons);
+}
+
+bool PreGob::hasInput() {
+	int16 mouseX, mouseY;
+	MouseButtons mouseButtons;
+
+	return checkInput(mouseX, mouseY, mouseButtons) || (mouseButtons != kMouseButtonsNone);
+}
+
+void PreGob::clearAnim(ANIObject &anim) {
+	int16 left, top, right, bottom;
+
+	if (anim.clear(*_vm->_draw->_backSurface, left, top, right, bottom))
+		_vm->_draw->dirtiedRect(_vm->_draw->_backSurface, left, top, right, bottom);
+}
+
+void PreGob::drawAnim(ANIObject &anim) {
+	int16 left, top, right, bottom;
+
+	if (anim.draw(*_vm->_draw->_backSurface, left, top, right, bottom))
+		_vm->_draw->dirtiedRect(_vm->_draw->_backSurface, left, top, right, bottom);
+	anim.advance();
+}
+
+void PreGob::redrawAnim(ANIObject &anim) {
+	clearAnim(anim);
+	drawAnim(anim);
+}
+
+void PreGob::clearAnim(const ANIList &anims) {
+	for (int i = (anims.size() - 1); i >= 0; i--)
+		clearAnim(*anims[i]);
+}
+
+void PreGob::drawAnim(const ANIList &anims) {
+	for (ANIList::const_iterator a = anims.begin(); a != anims.end(); ++a)
+		drawAnim(**a);
+}
+
+void PreGob::redrawAnim(const ANIList &anims) {
+	clearAnim(anims);
+	drawAnim(anims);
+}
+
+void PreGob::loadAnims(ANIList &anims, ANIFile &ani, uint count, const AnimProperties *props) const {
+	freeAnims(anims);
+
+	anims.resize(count);
+	for (uint i = 0; i < count; i++) {
+		anims[i] = new ANIObject(ani);
+
+		setAnim(*anims[i], props[i]);
+	}
+}
+
+void PreGob::freeAnims(ANIList &anims) const {
+	for (ANIList::iterator a = anims.begin(); a != anims.end(); ++a)
+		delete *a;
+
+	anims.clear();
+}
+
+void PreGob::setAnim(ANIObject &anim, const AnimProperties &props) const {
+	anim.setAnimation(props.animation);
+	anim.setFrame(props.frame);
+	anim.setMode(props.mode);
+	anim.setPause(props.paused);
+	anim.setVisible(props.visible);
+
+	if (props.hasPosition)
+		anim.setPosition(props.x, props.y);
+	else
+		anim.setPosition();
+}
+
+Common::String PreGob::getLocFile(const Common::String &file) const {
+	if (_vm->_global->_language >= ARRAYSIZE(kLanguageSuffixShort))
+		return file;
+
+	return file + kLanguageSuffixShort[_vm->_global->_language];
+}
+
+TXTFile *PreGob::loadTXT(const Common::String &txtFile, TXTFile::Format format) const {
+	Common::SeekableReadStream *txtStream = _vm->_dataIO->getFile(txtFile);
+	if (!txtStream)
+		error("PreGob::loadTXT(): Failed to open \"%s\"", txtFile.c_str());
+
+	TXTFile *txt = new TXTFile(*txtStream, format);
+
+	delete txtStream;
+
+	fixTXTStrings(*txt);
+
+	return txt;
+}
+
+void PreGob::fixTXTStrings(TXTFile &txt) const {
+}
+
+GCTFile *PreGob::loadGCT(const Common::String &gctFile) const {
+	Common::SeekableReadStream *gctStream = _vm->_dataIO->getFile(gctFile);
+	if (!gctStream)
+		error("PreGob::loadGCT(): Failed to open \"%s\"", gctFile.c_str());
+
+	GCTFile *gct = new GCTFile(*gctStream, _vm->_rnd);
+
+	delete gctStream;
+
+	return gct;
+}
+
+} // End of namespace Gob