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337
engines/cryomni3d/fixed_image.cpp
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337
engines/cryomni3d/fixed_image.cpp
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "cryomni3d/fixed_image.h"
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#include "common/file.h"
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#include "common/system.h"
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#include "graphics/palette.h"
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#include "graphics/surface.h"
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#include "image/image_decoder.h"
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namespace CryOmni3D {
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ZonFixedImage::ZonFixedImage(CryOmni3DEngine &engine,
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Inventory &inventory,
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const Sprites &sprites,
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const FixedImageConfiguration *configuration) :
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_engine(engine), _inventory(inventory), _sprites(sprites),
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_configuration(configuration),
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_callback(nullptr), _imageDecoder(nullptr), _imageSurface(nullptr),
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_zonesMode(kZonesMode_None), _currentZone(uint(-1)), _exit(false), _zoneLow(false),
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_zoneHigh(false), _zoneHighLeft(false), _zoneHighRight(false), _zoneLeft(false), _zoneRight(false),
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_zoneQuestion(false), _zoneListen(false), _zoneSee(false), _zoneUse(false), _zoneSpeak(false),
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_usedObject(nullptr), _highLeftId(0), _highRightId(0), _refreshCursor(false) {
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}
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ZonFixedImage::~ZonFixedImage() {
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delete _imageDecoder;
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}
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void ZonFixedImage::run(const CallbackFunctor *callback) {
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_exit = false;
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_zonesMode = kZonesMode_None;
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_callback = callback;
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_engine.showMouse(true);
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while (!_exit) {
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(*_callback)(this);
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}
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_engine.waitMouseRelease();
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_engine.showMouse(false);
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// Deselect object
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_inventory.setSelectedObject(nullptr);
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delete _callback;
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_callback = nullptr;
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// Don't use the current _imageSurface, we may not own it anymore
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_imageSurface = nullptr;
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}
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// Just pass a const char * for zone because it's for workarounds and constructing a null String at almost each load call is inefficient
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void ZonFixedImage::load(const Common::Path &image, const char *zone) {
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_imageSurface = nullptr;
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delete _imageDecoder;
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_imageDecoder = nullptr;
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_imageDecoder = _engine.loadHLZ(image);
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if (!_imageDecoder) {
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error("Can't display fixed image");
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}
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_imageSurface = _imageDecoder->getSurface();
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Common::Path zonePath(zone ? image.getParent().appendComponent(zone) : image);
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loadZones(zonePath);
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#if 0
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// This is not correct but to debug zones I think it's OK
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Graphics::Surface *tmpSurf = (Graphics::Surface *) _imageSurface;
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for (Common::Array<Zone>::const_iterator it = _zones.begin(); it != _zones.end(); it++) {
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Common::Rect tmp = it->rect;
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tmpSurf->frameRect(tmp, 244);
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}
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#endif
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_zonesMode = kZonesMode_Standard;
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_refreshCursor = true;
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display();
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// WORKAROUND: Wait for release after displaying the fixed image to avoid handling events due to mouse being pressed
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// There is this bug in game
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// Don't display cursor to prevent displaying an invalid cursor
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_engine.showMouse(false);
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g_system->updateScreen();
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_engine.waitMouseRelease();
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_engine.showMouse(true);
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}
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void ZonFixedImage::display() const {
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_engine.setupPalette(_imageDecoder->getPalette().data(), 0,
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_imageDecoder->getPalette().size());
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g_system->copyRectToScreen(_imageSurface->getPixels(), _imageSurface->pitch, 0, 0,
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_imageSurface->w, _imageSurface->h);
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g_system->updateScreen();
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}
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void ZonFixedImage::loadZones(const Common::Path &image) {
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_zones.clear();
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Common::String fname(image.baseName());
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int lastDotPos = fname.findLastOf('.');
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assert(lastDotPos > -1);
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fname.erase(lastDotPos + 1);
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fname += "zon";
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Common::Path zonPath = image.getParent().appendComponent(fname);
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Common::File zonFile;
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if (!zonFile.open(zonPath)) {
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error("Can't open ZON file '%s'", zonPath.toString(Common::Path::kNativeSeparator).c_str());
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}
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int32 zonesNumber = zonFile.size() / 26;
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_zones.reserve(zonesNumber);
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_highLeftId = Common::Array<CryOmni3D::ZonFixedImage::Zone>::size_type(-1);
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_highRightId = Common::Array<CryOmni3D::ZonFixedImage::Zone>::size_type(-1);
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int leftSeen = 0x7fffffff; // MAX_INT
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int rightSeen = 0;
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Common::Array<Zone>::size_type index = 0;
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while (zonesNumber > 0) {
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Zone zone;
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zone.rect.left = zonFile.readSint16BE();
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zone.rect.top = zonFile.readSint16BE();
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zone.rect.right = zonFile.readSint16BE();
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zone.rect.bottom = zonFile.readSint16BE();
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zone.spriteId = zonFile.readSint16BE();
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zone.cursorId = _sprites.revMapSpriteId(zone.spriteId);
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zone.valid = true;
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zonFile.skip(16);
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_zones.push_back(zone);
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if (zone.cursorId == _configuration->spriteHigh) {
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if (leftSeen > zone.rect.right) {
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// The right side is at the leftest seen
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leftSeen = zone.rect.right;
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_highLeftId = index;
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}
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if (rightSeen < zone.rect.left) {
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// The left side is at the rightest seen
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rightSeen = zone.rect.left;
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_highRightId = index;
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}
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}
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zonesNumber--;
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index++;
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}
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}
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Common::Point ZonFixedImage::getZoneCenter(uint zoneId) const {
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if (zoneId >= _zones.size()) {
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error("Invalid zoneId %u/%u", zoneId, _zones.size());
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}
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const Common::Rect &rect = _zones[zoneId].rect;
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return Common::Point((rect.left + rect.right) / 2, (rect.top + rect.bottom) / 2);
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}
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void ZonFixedImage::manage() {
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_currentZone = uint(-1);
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_zoneLow = false;
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_zoneHigh = false;
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_zoneHighLeft = false;
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_zoneHighRight = false;
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_zoneLeft = false;
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_zoneRight = false;
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_zoneQuestion = false;
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_zoneListen = false;
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_zoneSee = false;
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_zoneUse = false;
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_zoneSpeak = false;
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_usedObject = nullptr;
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_key.reset();
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// As the game lets load/save from main menu displayed by cliking from the toolbar,
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// it's safe to enable GMM Load/Save there
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_engine.setCanLoadSave(true);
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// Force poll events even when we must refresh the cursor
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if (!_engine.pollEvents() && !_refreshCursor) {
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g_system->updateScreen();
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g_system->delayMillis(10);
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_engine.setCanLoadSave(false);
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return;
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}
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_refreshCursor = false;
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// Feed the key for the caller
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_key = _engine.getNextKey();
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Common::Point mousePos = _engine.getMousePos();
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if (_key == Common::KEYCODE_ESCAPE) {
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_exit = true;
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_engine.setCanLoadSave(false);
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return;
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} else if (_engine.shouldAbort()) {
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_exit = true;
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_engine.setCanLoadSave(false);
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return;
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}
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if (_key == Common::KEYCODE_SPACE ||
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_engine.getCurrentMouseButton() == 2 ||
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mousePos.y > _configuration->toolbarTriggerY) {
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bool mustRedraw = _engine.displayToolbar(_imageSurface);
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// We just came back from toolbar: check if an object is selected and go into object mode
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if (_inventory.selectedObject()) {
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_zonesMode = kZonesMode_Object;
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}
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if (mustRedraw) {
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display();
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}
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// Return without any event to redo the loop and force refresh
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_refreshCursor = true;
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_engine.setCanLoadSave(false);
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return;
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}
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Common::Array<Zone>::iterator zoneIt;
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for (zoneIt = _zones.begin(); zoneIt != _zones.end(); zoneIt++) {
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if (zoneIt->valid && zoneIt->rect.contains(mousePos)) {
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break;
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}
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}
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if (zoneIt != _zones.end()) {
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_currentZone = zoneIt - _zones.begin();
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} else {
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_currentZone = uint(-1);
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}
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if (_zonesMode == kZonesMode_Standard) {
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if (zoneIt != _zones.end()) {
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_engine.setCursor(zoneIt->cursorId);
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if (_engine.getCurrentMouseButton() == 1) {
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handleMouseZones(zoneIt);
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}
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} else {
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_engine.setCursor(_configuration->spriteNothing);
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}
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} else if (_zonesMode == kZonesMode_Object) {
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Object *selectedObj = _inventory.selectedObject();
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if (!selectedObj) {
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// Normally useless but we never know
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_engine.setCursor(_configuration->spriteNothing);
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} else if (zoneIt != _zones.end()) {
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_engine.setCursor(selectedObj->idSA());
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if (_engine.getDragStatus() == kDragStatus_Finished) {
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// Just clicked, store the event and go back to standard mode
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_usedObject = selectedObj;
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_zonesMode = kZonesMode_Standard;
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// We changed mode: need to refresh
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_refreshCursor = true;
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}
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} else {
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_engine.setCursor(selectedObj->idSl());
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}
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}
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g_system->updateScreen();
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g_system->delayMillis(10);
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_engine.setCanLoadSave(false);
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}
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void ZonFixedImage::handleMouseZones(const Common::Array<Zone>::const_iterator ¤tZone) {
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if (currentZone->cursorId == _configuration->spriteLow) {
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_zoneLow = true;
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} else if (currentZone->cursorId == _configuration->spriteHigh) {
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Common::Array<Zone>::size_type id = currentZone - _zones.begin();
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if (id == _highLeftId) {
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_zoneHighLeft = true;
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} else if (id == _highRightId) {
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_zoneHighRight = true;
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} else {
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_zoneHigh = true;
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}
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} else if (currentZone->cursorId == _configuration->spriteLeft) {
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_zoneLeft = true;
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} else if (currentZone->cursorId == _configuration->spriteRight) {
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_zoneRight = true;
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} else if (currentZone->cursorId == _configuration->spriteQuestion) {
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_zoneQuestion = true;
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} else if (currentZone->cursorId == _configuration->spriteListen) {
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_zoneListen = true;
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} else if (currentZone->cursorId == _configuration->spriteSee) {
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_zoneSee = true;
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} else if (currentZone->cursorId == _configuration->spriteUse) {
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_zoneUse = true;
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} else if (currentZone->cursorId == _configuration->spriteSpeak) {
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_zoneSpeak = true;
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} else {
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error("Invalid cursor ID: %d in ImgFix", currentZone->cursorId);
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}
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}
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void ZonFixedImage::updateSurface(const Graphics::Surface *newSurface) {
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if (newSurface->w != _imageSurface->w ||
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newSurface->h != _imageSurface->h ||
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newSurface->format != _imageSurface->format) {
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error("New surface has invalid attributes");
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}
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// Be careful the surface must be destroyed after the fixed image has finished with it
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_imageSurface = newSurface;
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display();
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}
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} // End of namespace CryOmni3D
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