scummvm/engines/gob/pregob/pregob.cpp
2014-02-18 02:39:34 +01:00

352 lines
8.2 KiB
C++

/* 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