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Diffstat (limited to 'engines/tsage/scenes.cpp')
| -rw-r--r-- | engines/tsage/scenes.cpp | 471 |
1 files changed, 471 insertions, 0 deletions
diff --git a/engines/tsage/scenes.cpp b/engines/tsage/scenes.cpp new file mode 100644 index 0000000000..5a351f3772 --- /dev/null +++ b/engines/tsage/scenes.cpp @@ -0,0 +1,471 @@ +/* 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. + * + * $URL: https://scummvm-misc.svn.sourceforge.net/svnroot/scummvm-misc/trunk/engines/tsage/scenes.cpp $ + * $Id: scenes.cpp 229 2011-02-12 06:50:14Z dreammaster $ + * + */ + +#include "tsage/scenes.h" +#include "tsage/globals.h" +#include "tsage/ringworld_logic.h" +#include "tsage/tsage.h" + +namespace tSage { + +SceneManager::SceneManager() { + _scene = NULL; + _hasPalette = false; + _sceneNumber = -1; + _nextSceneNumber = -1; + _previousScene = 0; + _fadeMode = FADEMODE_GRADUAL; + _scrollerRect = Rect(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT); + _saver->addListener(this); +} + +SceneManager::~SceneManager() { + delete _scene; +} + +void SceneManager::setNewScene(int sceneNumber) { + _nextSceneNumber = sceneNumber; +} + +void SceneManager::checkScene() { + if (_nextSceneNumber != -1) { + sceneChange(); + _nextSceneNumber = -1; + } + + _globals->_sceneListeners.forEach(SceneHandler::dispatchObject); +} + +void SceneManager::sceneChange() { + // Handle removing the scene + if (_scene) + _scene->remove(); + + // Clear the scene objects + List<SceneObject *>::iterator io = _globals->_sceneObjects->begin(); + while (io != _globals->_sceneObjects->end()) { + SceneObject *sceneObj = *io; + ++io; + sceneObj->removeObject(); + } + + // Clear the secondary scene object list + io = _globals->_sceneManager._altSceneObjects.begin(); + while (io != _globals->_sceneManager._altSceneObjects.end()) { + SceneObject *sceneObj = *io; + ++io; + sceneObj->removeObject(); + } + + // Clear the hotspot list + List<SceneItem *>::iterator ii = _globals->_sceneItems.begin(); + while (ii != _globals->_sceneItems.end()) { + SceneItem *sceneItem = *ii; + ++ii; + sceneItem->remove(); + } + + // TODO: Clear _list_45BAA list + + // If there is an active scene, deactivate it + if (_scene) { + _previousScene = _sceneNumber; + + delete _scene; + _scene = NULL; + _sceneNumber = -1; + } + + // Set the next scene to be active + _sceneNumber = _nextSceneNumber; + + // TODO: Unknown check of word_45CD3 / call to saver method + + // Free any regions + disposeRegions(); + + // Instantiate and set the new scene + _scene = getNewScene(); + _scene->postInit(); +} + +Scene *SceneManager::getNewScene() { + return SceneFactory::createScene(_nextSceneNumber); +} + +void SceneManager::fadeInIfNecessary() { + if (_hasPalette) { + uint32 adjustData = 0; + for (int percent = 0; percent < 100; percent += 5) { + if (_globals->_sceneManager._fadeMode == FADEMODE_IMMEDIATE) + percent = 100; + + _globals->_scenePalette.fade((const byte *)&adjustData, false, percent); + g_system->updateScreen(); + g_system->delayMillis(10); + } + + _globals->_scenePalette.refresh(); + _hasPalette = false; + } +} + +void SceneManager::changeScene(int newSceneNumber) { + // Fade out the scene + ScenePalette scenePalette; + uint32 adjustData = 0; + _globals->_scenePalette.clearListeners(); + scenePalette.getPalette(); + + for (int percent = 100; percent >= 0; percent -= 5) { + scenePalette.fade((byte *)&adjustData, false, percent); + g_system->delayMillis(10); + } + + // Stop any objects that were animating + List<SceneObject *>::iterator i; + for (i = _globals->_sceneObjects->begin(); i != _globals->_sceneObjects->end(); ++i) { + SceneObject *sceneObj = *i; + Common::Point pt(0, 0); + sceneObj->addMover(NULL, &pt); + sceneObj->setObjectWrapper(NULL); + sceneObj->animate(ANIM_MODE_NONE, 0); + + sceneObj->_flags &= !OBJFLAG_PANES; + } + + // Blank out the screen + _globals->_screenSurface.fillRect(_globals->_screenSurface.getBounds(), 0); + + // Set the new scene to be loaded + setNewScene(newSceneNumber); +} + +void SceneManager::setup() { + _saver->addLoadNotifier(SceneManager::loadNotifier); + setBackSurface(); +} + +void SceneManager::setBackSurface() { + int size = _globals->_sceneManager._scene->_backgroundBounds.width() * + _globals->_sceneManager._scene->_backgroundBounds.height(); + + if (size > 96000) { + if (_globals->_sceneManager._scene->_backgroundBounds.width() <= SCREEN_WIDTH) { + // Standard size creation + _globals->_sceneManager._scene->_backSurface.create(SCREEN_WIDTH, SCREEN_HEIGHT * 3 / 2); + _globals->_sceneManager._scrollerRect = Rect(0, 30, SCREEN_WIDTH, SCREEN_HEIGHT - 30); + } else { + // Wide screen needs extra space to allow for scrolling + _globals->_sceneManager._scene->_backSurface.create(SCREEN_WIDTH * 3 / 2, SCREEN_HEIGHT); + _globals->_sceneManager._scrollerRect = Rect(80, 0, SCREEN_WIDTH - 80, SCREEN_HEIGHT); + } + } else { + _globals->_sceneManager._scene->_backSurface.create( + _globals->_sceneManager._scene->_backgroundBounds.width(), + _globals->_sceneManager._scene->_backgroundBounds.height() + ); + _globals->_sceneManager._scrollerRect = Rect(80, 20, SCREEN_WIDTH - 80, SCREEN_HEIGHT - 20); + } +} + +void SceneManager::saveListener(int saveMode) { + warning("TODO: SceneManager::saveLIstener"); +} + +void SceneManager::loadNotifier(bool postFlag) { + if (postFlag) { + if (_globals->_sceneManager._scene->_activeScreenNumber != -1) + _globals->_sceneManager._scene->loadSceneData(_globals->_sceneManager._scene->_activeScreenNumber); + _globals->_sceneManager._hasPalette = true; + } +} + +void SceneManager::setBgOffset(const Common::Point &pt, int loadCount) { + _sceneBgOffset = pt; + _sceneLoadCount = loadCount; +} + +void SceneManager::listenerSynchronise(Serialiser &s) { + s.validate("SceneManager"); + _altSceneObjects.synchronise(s); + + s.syncAsSint32LE(_sceneNumber); + if (s.isLoading()) { + changeScene(_sceneNumber); + checkScene(); + } + + s.syncAsUint16LE(_globals->_sceneManager._scene->_activeScreenNumber); + _globals->_sceneManager._scrollerRect.synchronise(s); + SYNC_POINTER(_globals->_scrollFollower); + s.syncAsSint16LE(_loadMode); +} + +/*--------------------------------------------------------------------------*/ + +Scene::Scene(): _sceneBounds(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT), + _backgroundBounds(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT) { + _sceneMode = 0; + _oldSceneBounds = Rect(4000, 4000, 4100, 4100); +} + +Scene::~Scene() { +} + +void Scene::synchronise(Serialiser &s) { + s.syncAsSint32LE(_field12); + s.syncAsSint32LE(_sceneNumber); + s.syncAsSint32LE(_activeScreenNumber); + s.syncAsSint32LE(_sceneMode); + _backgroundBounds.synchronise(s); + _sceneBounds.synchronise(s); + _oldSceneBounds.synchronise(s); + s.syncAsSint16LE(_fieldA); + s.syncAsSint16LE(_fieldE); + + for (int i = 0; i < 256; ++i) + s.syncAsUint16LE(_enabledSections[i]); + for (int i = 0; i < 256; ++i) + s.syncAsSint16LE(_zoomPercents[i]); +} + +void Scene::postInit(SceneObjectList *OwnerList) { + _action = NULL; + _field12 = 0; + _sceneMode = 0; +} + +void Scene::process(Event &event) { + if (_action) + _action->process(event); +} + +void Scene::dispatch() { + if (_action) + _action->dispatch(); +} + +void Scene::loadScene(int sceneNum) { + _sceneNumber = sceneNum; + if (_globals->_scenePalette.loadPalette(sceneNum)) + _globals->_sceneManager._hasPalette = true; + + loadSceneData(sceneNum); +} + +void Scene::loadSceneData(int sceneNum) { + _globals->_sceneManager._scene->_activeScreenNumber = sceneNum; + + // Get the basic scene size + byte *data = _vm->_dataManager->getResource(RES_BITMAP, sceneNum, 9999); + _backgroundBounds = Rect(0, 0, READ_LE_UINT16(data), READ_LE_UINT16(data + 2)); + _globals->_sceneManager._scene->_sceneBounds.contain(_backgroundBounds); + DEALLOCATE(data); + + // Set up a surface for storing the scene background + SceneManager::setBackSurface(); + + // Load the data lists for the scene + _globals->_walkRegions.load(sceneNum); + + // Load the item regions of the scene + _globals->_sceneRegions.load(sceneNum); + + // Load the priority regions + _priorities.load(sceneNum); + + // Initialise the section enabled list + Common::set_to(&_enabledSections[0], &_enabledSections[16 * 16], 0xffff); + + _globals->_sceneOffset.x = (_sceneBounds.left / 160) * 160; + _globals->_sceneOffset.y = (_sceneBounds.top / 100) * 100; + _globals->_paneRefreshFlag[0] = 1; + _globals->_paneRefreshFlag[1] = 1; + _globals->_sceneManager._loadMode = 1; + _globals->_sceneManager._sceneLoadCount = 0; + _globals->_sceneManager._sceneBgOffset = Common::Point(0, 0); + + // Load the background for the scene + loadBackground(0, 0); +} + +void Scene::loadBackground(int xAmount, int yAmount) { + // Adjust the scene bounds by the passed scroll amounts + _sceneBounds.translate(xAmount, yAmount); + _sceneBounds.contain(_backgroundBounds); + _sceneBounds.left &= ~3; + _sceneBounds.right &= ~3; + _globals->_sceneOffset.x &= ~3; + + if ((_sceneBounds.top != _oldSceneBounds.top) || (_sceneBounds.left != _oldSceneBounds.left)) { + if (_globals->_sceneManager._loadMode == 0) { + _globals->_paneRefreshFlag[0] = 2; + _globals->_paneRefreshFlag[1] = 2; + _globals->_sceneManager._loadMode = 2; + } + _oldSceneBounds = _sceneBounds; + } + + _globals->_sceneOffset.x = (_sceneBounds.left / 160) * 160; + _globals->_sceneOffset.y = (_sceneBounds.top / 100) * 100; + + if ((_backgroundBounds.width() / 160) == 3) + _globals->_sceneOffset.x = 0; + if ((_backgroundBounds.height() / 100) == 3) + _globals->_sceneOffset.y = 0; + + if ((_globals->_sceneOffset.x != _globals->_prevSceneOffset.x) || + (_globals->_sceneOffset.y != _globals->_prevSceneOffset.y)) { + // Change has happend, so refresh background + _globals->_prevSceneOffset = _globals->_sceneOffset; + refreshBackground(xAmount, yAmount); + } +} + +void Scene::refreshBackground(int xAmount, int yAmount) { + if (_globals->_sceneManager._scene->_activeScreenNumber == -1) + return; + + // Set the quadrant ranges + int xHalfCount = MIN(_backSurface.getBounds().width() / 160, _backgroundBounds.width() / 160); + int yHalfCount = MIN(_backSurface.getBounds().height() / 100, _backgroundBounds.height() / 100); + int xHalfOffset = (_backgroundBounds.width() / 160) == 3 ? 0 : _sceneBounds.left / 160; + int yHalfOffset = (_backgroundBounds.height() / 100) == 3 ? 0 : _sceneBounds.top / 100; + + // Set the limits and increment amounts + int xInc = (xAmount < 0) ? -1 : 1; + int xSectionStart = (xAmount < 0) ? 15 : 0; + int xSectionEnd = (xAmount < 0) ? -1 : 16; + int yInc = (yAmount < 0) ? -1 : 1; + int ySectionStart = (yAmount < 0) ? 15 : 0; + int ySectionEnd = (yAmount < 0) ? -1 : 16; + bool changedFlag = false; + + for (int yp = ySectionStart; yp != ySectionEnd; yp += yInc) { + for (int xp = xSectionStart; xp != xSectionEnd; xp += xInc) { + if ((yp < yHalfOffset) || (yp >= (yHalfOffset + yHalfCount)) || + (xp < xHalfOffset) || (xp >= (xHalfOffset + xHalfCount))) { + // Flag section as enabled + _enabledSections[xp * 16 + yp] = 0xffff; + } else { + // Check if the section is already loaded + if ((_enabledSections[xp * 16 + yp] == 0xffff) || ((xAmount == 0) && (yAmount == 0))) { + // Chunk isn't loaded, so load it in + Graphics::Surface s = _backSurface.lockSurface(); + GfxSurface::loadScreenSection(s, xp - xHalfOffset, yp - yHalfOffset, xp, yp); + _backSurface.unlockSurface(); + changedFlag = true; + } else { + int yv = (_enabledSections[xp * 16 + yp] == ((xp - xHalfOffset) << 4)) ? 0 : 1; + if (yv | (yp - yHalfOffset)) { + // Copy an existing 160x100 screen section previously loaded + int xSectionDest = xp - xHalfOffset; + int ySectionDest = yp - yHalfOffset; + int xSectionSrc = _enabledSections[xp * 16 + yp] >> 4; + int ySectionSrc = _enabledSections[xp * 16 + yp] & 0xf; + + Rect srcBounds(xSectionSrc * 160, ySectionSrc * 100, + (xSectionSrc + 1) * 160, (ySectionSrc + 1) * 100); + Rect destBounds(xSectionDest * 160, ySectionDest * 100, + (xSectionDest + 1) * 160, (ySectionDest + 1) * 100); + + _backSurface.copyFrom(_backSurface, srcBounds, destBounds); + } + } + + _enabledSections[xp * 16 + yp] = + ((xp - xHalfOffset) << 4) | (yp - yHalfOffset); + } + } + } + + if (changedFlag) { + drawAltObjects(); + } +} + +void Scene::drawAltObjects() { + Common::Array<SceneObject *> objList; + + // Initial loop to set the priority for entries in the list + for (List<SceneObject *>::iterator i = _globals->_sceneManager._altSceneObjects.begin(); + i != _globals->_sceneManager._altSceneObjects.end(); ++i) { + SceneObject *obj = *i; + objList.push_back(obj); + + // Handle updating object priority + if (!(obj->_flags & OBJFLAG_FIXED_PRIORITY)) { + obj->_priority = MIN((int)obj->_position.y - 1, + (int)_globals->_sceneManager._scene->_backgroundBounds.bottom); + } + } + + // Sort the list by priority + _globals->_sceneManager._altSceneObjects.sortList(objList); + + // Drawing loop + for (uint objIndex = 0; objIndex < objList.size(); ++objIndex) { + SceneObject *obj = objList[objIndex]; + + obj->reposition(); + obj->draw(); + } +} + +void Scene::setZoomPercents(int yStart, int minPercent, int yEnd, int maxPercent) { + int var_6 = 0; + int v = 0; + while (v < yStart) + _zoomPercents[v++] = minPercent; + + int diff1 = ABS(maxPercent - minPercent); + int diff2 = ABS(yEnd - yStart); + int var_8 = MAX(diff1, diff2); + + while (var_8-- != 0) { + _zoomPercents[v] = minPercent; + if (diff2 <= diff1) { + ++minPercent; + var_6 += diff2; + if (var_6 >= diff1) { + var_6 -= diff1; + ++v; + } + } else { + ++v; + var_6 += diff1; + if (var_6 >= diff2) { + var_6 -= diff2; + ++minPercent; + } + } + } + + while (yEnd < 256) + _zoomPercents[yEnd++] = minPercent; +} + +} // End of namespace tSage |