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scummvm/engines/tsage/core.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 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 "common/system.h"
#include "common/config-manager.h"
#include "common/util.h"
#include "engines/engine.h"
#include "graphics/palette.h"
#include "tsage/tsage.h"
#include "tsage/core.h"
#include "tsage/dialogs.h"
#include "tsage/events.h"
#include "tsage/scenes.h"
#include "tsage/staticres.h"
#include "tsage/globals.h"
#include "tsage/sound.h"
#include "tsage/blue_force/blueforce_logic.h"
namespace TsAGE {
// The engine uses ScumMVM screen buffering, so all logic is hardcoded to use pane buffer 0
#define CURRENT_PANENUM 0
/*--------------------------------------------------------------------------*/
InvObject::InvObject(int sceneNumber, int rlbNum, int cursorNum, CursorType cursorId, const Common::String description) :
_sceneNumber(sceneNumber), _rlbNum(rlbNum), _cursorNum(cursorNum), _cursorId(cursorId),
_description(description) {
_displayResNum = 3;
_iconResNum = 5;
// Decode the image for the inventory item to get it's display bounds
uint size;
byte *imgData = g_resourceManager->getSubResource(_displayResNum, _rlbNum, _cursorNum, &size);
GfxSurface s = surfaceFromRes(imgData);
_bounds = s.getBounds();
DEALLOCATE(imgData);
}
InvObject::InvObject(int visage, int strip, int frame) {
assert(g_vm->getGameID() == GType_BlueForce);
_visage = visage;
_strip = strip;
_frame = frame;
_sceneNumber = 0;
_iconResNum = 10;
}
InvObject::InvObject(int strip, int frame) {
assert(g_vm->getGameID() == GType_Ringworld2);
_strip = strip;
_frame = frame;
_visage = 7;
_sceneNumber = 0;
_iconResNum = 10;
}
void InvObject::setCursor() {
if (g_vm->getGameID() != GType_Ringworld) {
// All other games
_cursorId = (CursorType)BF_GLOBALS._inventory->indexOf(this);
g_globals->_events.setCursor(_cursorId);
} else {
// Ringworld cursor handling
g_globals->_events._currentCursor = _cursorId;
if (_iconResNum != -1) {
GfxSurface s = surfaceFromRes(_iconResNum, _rlbNum, _cursorNum);
Graphics::Surface src = s.lockSurface();
g_globals->_events.setCursor(src, s._transColor, s._centroid, _cursorId);
}
}
}
bool InvObject::inInventory() const {
return _sceneNumber == ((g_vm->getGameID() != GType_Ringworld2) ? 1 : g_globals->_player._characterIndex);
}
/*--------------------------------------------------------------------------*/
InvObjectList::InvObjectList() {
_selectedItem = NULL;
}
void InvObjectList::synchronize(Serializer &s) {
SavedObject::synchronize(s);
SYNC_POINTER(_selectedItem);
}
int InvObjectList::indexOf(InvObject *obj) const {
int idx = 0;
SynchronizedList<InvObject *>::const_iterator i;
for (i = _itemList.begin(); i != _itemList.end(); ++i, ++idx) {
if ((*i) == obj)
return idx;
}
return -1;
}
InvObject *InvObjectList::getItem(int objectNum) {
SynchronizedList<InvObject *>::const_iterator i = _itemList.begin();
while (objectNum-- > 0)
++i;
return *i;
}
int InvObjectList::getObjectScene(int objectNum) {
InvObject *obj = getItem(objectNum);
return obj->_sceneNumber;
}
/*--------------------------------------------------------------------------*/
void EventHandler::dispatch() {
if (_action) _action->dispatch();
}
void EventHandler::setAction(Action *action, EventHandler *endHandler, ...) {
if (_action) {
_action->_endHandler = NULL;
_action->remove();
}
_action = action;
if (action) {
va_list va;
va_start(va, endHandler);
_action->attached(this, endHandler, va);
va_end(va);
}
}
/*--------------------------------------------------------------------------*/
Action::Action() {
_actionIndex = 0;
_owner = NULL;
_endHandler = NULL;
_attached = false;
}
void Action::synchronize(Serializer &s) {
EventHandler::synchronize(s);
if (s.getVersion() == 1)
remove();
SYNC_POINTER(_owner);
s.syncAsSint32LE(_actionIndex);
s.syncAsSint32LE(_delayFrames);
s.syncAsUint32LE(_startFrame);
s.syncAsByte(_attached);
SYNC_POINTER(_endHandler);
}
void Action::remove() {
if (_action)
_action->remove();
if (_owner) {
_owner->_action = NULL;
_owner = NULL;
} else {
g_globals->_sceneManager.removeAction(this);
}
_attached = false;
if (_endHandler)
_endHandler->signal();
}
void Action::process(Event &event) {
if (_action)
_action->process(event);
}
void Action::dispatch() {
if (_action)
_action->dispatch();
if (_delayFrames) {
uint32 frameNumber = g_globals->_events.getFrameNumber();
if (frameNumber >= _startFrame) {
_delayFrames -= frameNumber - _startFrame;
_startFrame = frameNumber;
if (_delayFrames <= 0) {
_delayFrames = 0;
signal();
}
}
}
}
void Action::attached(EventHandler *newOwner, EventHandler *endHandler, va_list va) {
_actionIndex = 0;
_delayFrames = 0;
_startFrame = g_globals->_events.getFrameNumber();
_owner = newOwner;
_endHandler = endHandler;
_attached = true;
signal();
}
void Action::setDelay(int numFrames) {
_delayFrames = numFrames;
_startFrame = g_globals->_events.getFrameNumber();
}
/*--------------------------------------------------------------------------*/
ObjectMover::~ObjectMover() {
if (_sceneObject->_mover == this)
_sceneObject->_mover = NULL;
}
void ObjectMover::synchronize(Serializer &s) {
EventHandler::synchronize(s);
s.syncAsSint16LE(_destPosition.x); s.syncAsSint16LE(_destPosition.y);
s.syncAsSint16LE(_moveDelta.x); s.syncAsSint16LE(_moveDelta.y);
s.syncAsSint16LE(_moveSign.x); s.syncAsSint16LE(_moveSign.y);
s.syncAsSint32LE(_minorDiff);
s.syncAsSint32LE(_majorDiff);
s.syncAsSint32LE(_changeCtr);
SYNC_POINTER(_action);
SYNC_POINTER(_sceneObject);
}
void ObjectMover::remove() {
if (_sceneObject->_mover == this)
_sceneObject->_mover = NULL;
delete this;
}
void ObjectMover::dispatch() {
Common::Point currPos = _sceneObject->_position;
int yDiff = _sceneObject->_yDiff;
if (dontMove())
return;
_sceneObject->_regionIndex = 0;
if (_moveDelta.x >= _moveDelta.y) {
int xAmount = _moveSign.x * _sceneObject->_moveDiff.x * _sceneObject->_percent / 100;
if (!xAmount)
xAmount = _moveSign.x;
currPos.x += xAmount;
int yAmount = ABS(_destPosition.y - currPos.y);
int yChange = _majorDiff / ABS(xAmount);
int ySign;
if (!yChange)
ySign = _moveSign.y;
else {
int v = yAmount / yChange;
_changeCtr += yAmount % yChange;
if (_changeCtr >= yChange) {
++v;
_changeCtr -= yChange;
}
ySign = _moveSign.y * v;
}
currPos.y += ySign;
_majorDiff -= ABS(xAmount);
} else {
int yAmount = _moveSign.y * _sceneObject->_moveDiff.y * _sceneObject->_percent / 100;
if (!yAmount)
yAmount = _moveSign.y;
currPos.y += yAmount;
int xAmount = ABS(_destPosition.x - currPos.x);
int xChange = _majorDiff / ABS(yAmount);
int xSign;
if (!xChange)
xSign = _moveSign.x;
else {
int v = xAmount / xChange;
_changeCtr += xAmount % xChange;
if (_changeCtr >= xChange) {
++v;
_changeCtr -= xChange;
}
xSign = _moveSign.x * v;
}
currPos.x += xSign;
_majorDiff -= ABS(yAmount);
}
_sceneObject->_regionIndex = _sceneObject->checkRegion(currPos);
if (!_sceneObject->_regionIndex) {
_sceneObject->setPosition(currPos, yDiff);
_sceneObject->getHorizBounds();
if (dontMove()) {
_sceneObject->_position = _destPosition;
endMove();
}
} else {
endMove();
}
}
void ObjectMover::setup(const Common::Point &destPos) {
_sceneObject->calcAngle(destPos);
if ((_sceneObject->_objectWrapper) && !(_sceneObject->_flags & OBJFLAG_SUPPRESS_DISPATCH)) {
if (g_vm->getGameID() == GType_Ringworld)
_sceneObject->_objectWrapper->dispatch();
else
_sceneObject->updateAngle(destPos);
}
// Get the difference
int diffX = destPos.x - _sceneObject->_position.x;
int diffY = destPos.y - _sceneObject->_position.y;
int xSign = (diffX < 0) ? -1 : (diffX > 0 ? 1 : 0);
int ySign = (diffY < 0) ? -1 : (diffY > 0 ? 1 : 0);
diffX = ABS(diffX);
diffY = ABS(diffY);
if (diffX < diffY) {
_minorDiff = diffX / 2;
_majorDiff = diffY;
} else {
_minorDiff = diffY / 2;
_majorDiff = diffX;
}
// Set the destination position
_destPosition = destPos;
_moveDelta = Common::Point(diffX, diffY);
_moveSign = Common::Point(xSign, ySign);
_changeCtr = 0;
if (!diffX && !diffY)
// Object is already at the correct destination
endMove();
}
bool ObjectMover::dontMove() const {
return (_majorDiff <= 0);
}
void ObjectMover::endMove() {
EventHandler *actionP = _action;
remove();
if (actionP)
actionP->signal();
}
/*--------------------------------------------------------------------------*/
ObjectMover2::ObjectMover2() : ObjectMover() {
_destObject = NULL;
}
void ObjectMover2::synchronize(Serializer &s) {
ObjectMover::synchronize(s);
SYNC_POINTER(_destObject);
s.syncAsSint32LE(_minArea);
s.syncAsSint32LE(_maxArea);
}
void ObjectMover2::dispatch() {
int area = _sceneObject->getSpliceArea(_destObject);
if (area > _maxArea) {
// Setup again for the new destination
setup(_destObject->_position);
ObjectMover::dispatch();
} else if (area >= _minArea) {
// Keep dispatching
ObjectMover::dispatch();
} else {
// Within minimum, so end move
endMove();
}
}
void ObjectMover2::startMove(SceneObject *sceneObj, va_list va) {
// Set up fields
_sceneObject = sceneObj;
_minArea = va_arg(va, int);
_maxArea = va_arg(va, int);
_destObject = va_arg(va, SceneObject *);
setup(_destObject->_position);
}
void ObjectMover2::endMove() {
_sceneObject->_regionIndex = 0x40;
}
/*--------------------------------------------------------------------------*/
void ObjectMover3::dispatch() {
int area = _sceneObject->getSpliceArea(_destObject);
if (area <= _minArea) {
endMove();
} else {
setup(_destObject->_position);
ObjectMover::dispatch();
}
}
void ObjectMover3::startMove(SceneObject *sceneObj, va_list va) {
_sceneObject = sceneObj;
_destObject = va_arg(va, SceneObject *);
_minArea = va_arg(va, int);
_action = va_arg(va, Action *);
setup(_destObject->_position);
}
void ObjectMover3::endMove() {
ObjectMover::endMove();
}
/*--------------------------------------------------------------------------*/
void NpcMover::startMove(SceneObject *sceneObj, va_list va) {
_sceneObject = sceneObj;
Common::Point *destPos = va_arg(va, Common::Point *);
_action = va_arg(va, Action *);
setup(*destPos);
}
/*--------------------------------------------------------------------------*/
void PlayerMover::synchronize(Serializer &s) {
NpcMover::synchronize(s);
s.syncAsSint16LE(_finalDest.x); s.syncAsSint16LE(_finalDest.y);
s.syncAsSint32LE(_routeIndex);
for (int i = 0; i < MAX_ROUTE_SIZE; ++i) {
s.syncAsSint16LE(_routeList[i].x); s.syncAsSint16LE(_routeList[i].y);
}
}
void PlayerMover::startMove(SceneObject *sceneObj, va_list va) {
_sceneObject = sceneObj;
Common::Point *pt = va_arg(va, Common::Point *);
_finalDest = *pt;
_action = va_arg(va, Action *);
setDest(_finalDest);
}
void PlayerMover::endMove() {
while (++_routeIndex != 0) {
if ((_routeList[_routeIndex].x == ROUTE_END_VAL) ||
(_routeList[_routeIndex].y == ROUTE_END_VAL) ||
(_sceneObject->_regionIndex)) {
// Movement route is completely finished
ObjectMover::endMove();
return;
}
if ((_routeList[_routeIndex].x != _sceneObject->_position.x) ||
(_routeList[_routeIndex].y != _sceneObject->_position.y))
break;
}
// Set up the new interim destination along the route
g_globals->_walkRegions._routeEnds.moveSrc = g_globals->_walkRegions._routeEnds.moveDest;
g_globals->_walkRegions._routeEnds.moveDest = _routeList[_routeIndex];
setup(_routeList[_routeIndex]);
dispatch();
}
void PlayerMover::setDest(const Common::Point &destPos) {
_routeList[0] = _sceneObject->_position;
if (g_globals->_walkRegions._resNum == -1) {
// Scene has no walk regions defined, so player can walk anywhere directly
_routeList[0] = destPos;
_routeList[1] = Common::Point(ROUTE_END_VAL, ROUTE_END_VAL);
} else {
// Figure out a path to the destination (or as close as possible to it)
pathfind(_routeList, _sceneObject->_position, destPos, g_globals->_walkRegions._routeEnds);
}
_routeIndex = 0;
g_globals->_walkRegions._routeEnds.moveSrc = _sceneObject->_position;
g_globals->_walkRegions._routeEnds.moveDest = _routeList[0];
setup(_routeList[0]);
}
#define REGION_LIST_SIZE 20
void PlayerMover::pathfind(Common::Point *routeList, Common::Point srcPos, Common::Point destPos, RouteEnds routeEnds) {
Common::List<int> regionIndexes;
RouteEnds tempRouteEnds;
int routeRegions[REGION_LIST_SIZE];
Common::Point objPos;
// Get the region the source is in
int srcRegion = g_globals->_walkRegions.indexOf(srcPos);
if (srcRegion == -1) {
srcRegion = findClosestRegion(srcPos, regionIndexes);
}
// Main loop for building up the path
routeRegions[0] = 0;
while (!routeRegions[0]) {
// Check the destination region
int destRegion = g_globals->_walkRegions.indexOf(destPos, &regionIndexes);
if ((srcRegion == -1) && (destRegion == -1)) {
// Both source and destination are outside walkable areas
} else if (srcRegion == -1) {
// Source is outside walkable areas
tempRouteEnds = routeEnds;
objPos = _sceneObject->_position;
Common::Point newPos;
findLinePoint(&tempRouteEnds, &objPos, 1, &newPos);
int srcId = g_globals->_walkRegions.indexOf(newPos);
if (srcId == -1) {
tempRouteEnds.moveDest = tempRouteEnds.moveSrc;
tempRouteEnds.moveSrc = routeEnds.moveDest;
findLinePoint(&tempRouteEnds, &objPos, 1, &newPos);
srcRegion = g_globals->_walkRegions.indexOf(newPos);
if (srcRegion == -1)
srcRegion = checkMover(srcPos, destPos);
}
} else if (destRegion == -1) {
// Destination is outside walkable areas
destRegion = findClosestRegion(destPos, regionIndexes);
if (destRegion == -1) {
// No further route found, so end it
*routeList++ = srcPos;
break;
} else {
_finalDest = destPos;
}
}
if (srcRegion == destRegion) {
*routeList++ = (srcRegion == -1) ? srcPos : destPos;
break;
}
bool tempVar; // This is used only as internal state for the function.
calculateRestOfRoute(routeRegions, srcRegion, destRegion, tempVar);
// Empty route?
if (!routeRegions[0]) {
regionIndexes.push_back(destRegion);
continue;
}
// field 0 holds the start, and field 1 holds the destination
WRField18 &currSrcField = g_globals->_walkRegions._field18[0];
WRField18 &currDestField = g_globals->_walkRegions._field18[1];
currSrcField._pt1 = srcPos;
currSrcField._pt2 = srcPos;
currDestField._pt1 = destPos;
currDestField._pt2 = destPos;
int tempList[REGION_LIST_SIZE];
tempList[0] = 0;
int endIndex = 0;
int idx = 1;
// Find the indexes for each entry in the found route.
do {
int breakEntry = routeRegions[idx];
int breakEntry2 = routeRegions[idx + 1];
int listIndex = 0;
while (g_globals->_walkRegions._idxList[g_globals->_walkRegions[breakEntry]._idxListIndex + listIndex] !=
breakEntry2)
++listIndex;
tempList[idx] = g_globals->_walkRegions._idxList2[g_globals->_walkRegions[breakEntry]._idxList2Index
+ listIndex];
++endIndex;
} while (routeRegions[++idx] != destRegion);
tempList[idx] = 1;
for (int listIndex = 1; listIndex <= endIndex; ++listIndex) {
int thisIdx = tempList[listIndex];
int nextIdx = tempList[listIndex + 1];
WRField18 &thisField = g_globals->_walkRegions._field18[thisIdx];
WRField18 &nextField = g_globals->_walkRegions._field18[nextIdx];
if (sub_F8E5_calculatePoint(currSrcField._pt1, nextField._pt1,
thisField._pt1, thisField._pt2) &&
sub_F8E5_calculatePoint(currSrcField._pt1, nextField._pt2,
thisField._pt1, thisField._pt2))
continue;
Common::Point tempPt;
if (sub_F8E5_calculatePoint(currSrcField._pt1, currDestField._pt1,
thisField._pt1, thisField._pt2, &tempPt)) {
// Add point to the route list
currSrcField._pt1 = tempPt;
*routeList++ = tempPt;
} else {
int dist1 =
(findDistance(currSrcField._pt1, thisField._pt1) << 1) +
(findDistance(thisField._pt1, currDestField._pt1) << 1) +
findDistance(thisField._pt1, nextField._pt1) +
findDistance(thisField._pt1, nextField._pt2);
int dist2 =
(findDistance(currSrcField._pt1, thisField._pt2) << 1) +
(findDistance(thisField._pt2, currDestField._pt2) << 1) +
findDistance(thisField._pt2, nextField._pt1) +
findDistance(thisField._pt2, nextField._pt2);
// Do 1 step of movement, storing the new position in objPos.
if (dist1 < dist2) {
doStepsOfNpcMovement(thisField._pt1, thisField._pt2, 1, objPos);
} else {
doStepsOfNpcMovement(thisField._pt2, thisField._pt1, 1, objPos);
}
// Update the current position.
currSrcField._pt1 = objPos;
*routeList++ = objPos;
}
}
// Add in the route entry
*routeList++ = currDestField._pt1;
}
// Mark the end of the path
*routeList = Common::Point(ROUTE_END_VAL, ROUTE_END_VAL);
}
int PlayerMover::regionIndexOf(const Common::Point &pt) {
for (uint idx = 0; idx < g_globals->_walkRegions._regionList.size(); ++idx) {
if (g_globals->_walkRegions._regionList[idx].contains(pt))
return idx + 1;
}
return 0;
}
int PlayerMover::findClosestRegion(Common::Point &pt, const Common::List<int> &indexList) {
int newY = pt.y;
int result = 0;
for (int idx = 1; idx < SCREEN_WIDTH; ++idx, newY += idx) {
int newX = pt.x + idx;
result = regionIndexOf(newX, pt.y);
if ((result == 0) || contains(indexList, result)) {
newY = pt.y + idx;
result = regionIndexOf(newX, newY);
if ((result == 0) || contains(indexList, result)) {
newX -= idx;
result = regionIndexOf(newX, newY);
if ((result == 0) || contains(indexList, result)) {
newX -= idx;
result = regionIndexOf(newX, newY);
if ((result == 0) || contains(indexList, result)) {
newY -= idx;
result = regionIndexOf(newX, newY);
if ((result == 0) || contains(indexList, result)) {
newY -= idx;
result = regionIndexOf(newX, newY);
if ((result == 0) || contains(indexList, result)) {
newX += idx;
result = regionIndexOf(newX, newY);
if ((result == 0) || contains(indexList, result)) {
newX += idx;
result = regionIndexOf(newX, newY);
if ((result == 0) || contains(indexList, result)) {
continue;
}
}
}
}
}
}
}
}
// Found an index
pt.x = newX;
pt.y = newY;
return result;
}
return (result == 0) ? -1 : result;
}
Common::Point *PlayerMover::findLinePoint(RouteEnds *routeEnds, Common::Point *objPos, int length, Common::Point *outPos) {
int xp = objPos->x + (((routeEnds->moveDest.y - routeEnds->moveSrc.y) * 9) / 8);
int yp = objPos->y - (((routeEnds->moveDest.x - routeEnds->moveSrc.x) * 8) / 9);
int xDiff = xp - objPos->x;
int yDiff = yp - objPos->y;
int xDirection = (xDiff == 0) ? 0 : ((xDiff < 0) ? 1 : -1);
int yDirection = (yDiff == 0) ? 0 : ((yDiff < 0) ? 1 : -1);
xDiff = ABS(xDiff);
yDiff = ABS(yDiff);
int majorChange = MAX(xDiff, yDiff) / 2;
int outX = objPos->x;
int outY = objPos->y;
while (length-- > 0) {
if (xDiff < yDiff) {
outY += yDirection;
majorChange += xDiff;
if (majorChange > yDiff) {
majorChange -= yDiff;
outX += xDirection;
}
} else {
outX += xDirection;
majorChange += yDiff;
if (majorChange > xDiff) {
majorChange -= xDiff;
outY += yDirection;
}
}
}
outPos->x = outX;
outPos->y = outY;
return outPos;
}
int PlayerMover::checkMover(Common::Point &srcPos, const Common::Point &destPos) {
int regionIndex = 0;
Common::Point objPos = _sceneObject->_position;
uint32 regionBitList = _sceneObject->_regionBitList;
_sceneObject->_regionBitList = 0;
_sceneObject->_position.x = srcPos.x;
_sceneObject->_position.y = srcPos.y;
_sceneObject->_mover = NULL;
NpcMover *mover = new NpcMover();
_sceneObject->addMover(mover, &destPos, NULL);
// Handle automatic movement of the player until a walkable region is reached,
// or the end point of the movement is
do {
_sceneObject->_mover->dispatch();
// Scan walk regions for point
for (uint idx = 0; idx < g_globals->_walkRegions._regionList.size(); ++idx) {
if (g_globals->_walkRegions[idx].contains(_sceneObject->_position)) {
regionIndex = idx + 1;
srcPos = _sceneObject->_position;
break;
}
}
} while ((regionIndex == 0) && (_sceneObject->_mover) && !g_vm->shouldQuit());
_sceneObject->_position = objPos;
_sceneObject->_regionBitList = regionBitList;
if (_sceneObject->_mover)
_sceneObject->_mover->remove();
_sceneObject->_mover = this;
return regionIndex;
}
void PlayerMover::doStepsOfNpcMovement(const Common::Point &srcPos, const Common::Point &destPos, int numSteps, Common::Point &ptOut) {
Common::Point objPos = _sceneObject->_position;
_sceneObject->_position = srcPos;
uint32 regionBitList = _sceneObject->_regionBitList;
_sceneObject->_position = srcPos;
_sceneObject->_mover = NULL;
NpcMover *mover = new NpcMover();
_sceneObject->addMover(mover, &destPos, NULL);
while ((numSteps > 0) && ((_sceneObject->_position.x != destPos.x) || (_sceneObject->_position.y != destPos.y))) {
_sceneObject->_mover->dispatch();
--numSteps;
}
ptOut = _sceneObject->_position;
_sceneObject->_position = objPos;
_sceneObject->_regionBitList = regionBitList;
if (_sceneObject->_mover)
_sceneObject->_mover->remove();
_sceneObject->_mover = this;
}
int PlayerMover::calculateRestOfRoute(int *routeList, int srcRegion, int destRegion, bool &foundRoute) {
// Make a copy of the provided route. The first entry is the size.
int tempList[REGION_LIST_SIZE + 1];
foundRoute = false;
for (int idx = 0; idx <= *routeList; ++idx)
tempList[idx] = routeList[idx];
if (*routeList == REGION_LIST_SIZE)
// Sequence too long
return 32000;
int regionIndex;
for (regionIndex = 1; regionIndex <= *tempList; ++regionIndex) {
if (routeList[regionIndex] == srcRegion)
// Current path returns to original source region, so don't allow it
return 32000;
}
WalkRegion &srcWalkRegion = g_globals->_walkRegions[srcRegion];
int distance;
if (!routeList[0]) {
// The route is empty (new route).
distance = 0;
} else {
// Find the distance from the last region in the route.
WalkRegion &region = g_globals->_walkRegions[routeList[*routeList]];
distance = findDistance(srcWalkRegion._pt, region._pt);
}
// Add the srcRegion to the end of the route.
tempList[++*tempList] = srcRegion;
int ourListSize = *tempList;
if (srcRegion == destRegion) {
// We made a route to the destination; copy that route and return.
foundRoute = true;
for (int idx = ourListSize; idx <= *tempList; ++idx) {
routeList[idx] = tempList[idx];
++*routeList;
}
return distance;
} else {
// Find the first connected region leading to our destination.
int foundIndex = 0;
int idx = 0;
int currDest;
while ((currDest = g_globals->_walkRegions._idxList[srcWalkRegion._idxListIndex + idx]) != 0) {
if (currDest == destRegion) {
foundIndex = idx;
break;
}
++idx;
}
// Check every connected region until we find a route to the destination (or we have no more to check).
int bestDistance = 31990;
while (((currDest = g_globals->_walkRegions._idxList[srcWalkRegion._idxListIndex + foundIndex]) != 0) && (!foundRoute)) {
// Only check the region if it isn't in the list of explicitly disabled regions
if (!contains(g_globals->_walkRegions._disabledRegions, (int)currDest)) {
int newDistance = calculateRestOfRoute(tempList, currDest, destRegion, foundRoute);
if ((newDistance <= bestDistance) || foundRoute) {
// We found a shorter possible route, or one leading to the destination.
// Overwrite the route with this new one.
routeList[0] = ourListSize - 1;
for (int i = ourListSize; i <= tempList[0]; ++i) {
routeList[i] = tempList[i];
++routeList[0];
}
bestDistance = newDistance;
}
// Truncate our local list to the size it was before the call.
tempList[0] = ourListSize;
}
++foundIndex;
}
foundRoute = false;
return bestDistance + distance;
}
}
int PlayerMover::findDistance(const Common::Point &pt1, const Common::Point &pt2) {
int diff = ABS(pt1.x - pt2.x);
double xx = diff * diff;
diff = ABS(pt1.y - pt2.y);
double yy = diff * 8.0 / 7.0;
yy *= yy;
return (int)sqrt(xx + yy);
}
bool PlayerMover::sub_F8E5_calculatePoint(const Common::Point &pt1, const Common::Point &pt2, const Common::Point &pt3,
const Common::Point &pt4, Common::Point *ptOut) {
double diffX1 = pt2.x - pt1.x;
double diffY1 = pt2.y - pt1.y;
double diffX2 = pt4.x - pt3.x;
double diffY2 = pt4.y - pt3.y;
double ratio1 = 0.0, ratio2 = 0.0;
double adjustedY1 = 0.0, adjustedY2 = 0.0;
// Calculate the ratios between the X and Y points.
if (diffX1 != 0.0) {
ratio1 = diffY1 / diffX1;
adjustedY1 = pt1.y - (pt1.x * ratio1);
}
if (diffX2 != 0.0) {
ratio2 = diffY2 / diffX2;
adjustedY2 = pt3.y - (pt3.x * ratio2);
}
if (ratio1 == ratio2)
return false;
double xPos, yPos;
if (diffX1 == 0) {
if (diffX2 == 0)
return false;
xPos = pt1.x;
yPos = ratio2 * xPos + adjustedY2;
} else {
xPos = (diffX2 == 0) ? pt3.x : (adjustedY2 - adjustedY1) / (ratio1 - ratio2);
yPos = ratio1 * xPos + adjustedY1;
}
// This is our candidate point, which we must check for validity.
Common::Point tempPt((int)(xPos + 0.5), (int)(yPos + 0.5));
// Is tempPt inside the second bounds?
if (!((tempPt.x >= pt3.x) && (tempPt.x <= pt4.x)))
if (!((tempPt.x >= pt4.x) && (tempPt.x <= pt3.x)))
return false;
if (!((tempPt.y >= pt3.y) && (tempPt.y <= pt4.y)))
if (!((tempPt.y >= pt4.y) && (tempPt.y <= pt3.y)))
return false;
// Is tempPt inside the first bounds?
if (!((tempPt.x >= pt1.x) && (tempPt.x <= pt2.x)))
if (!((tempPt.x >= pt2.x) && (tempPt.x <= pt1.x)))
return false;
if (!((tempPt.y >= pt1.y) && (tempPt.y <= pt2.y)))
if (!((tempPt.y >= pt2.y) && (tempPt.y <= pt1.y)))
return false;
if (ptOut)
*ptOut = tempPt;
return true;
}
/*--------------------------------------------------------------------------*/
void PlayerMover2::synchronize(Serializer &s) {
if (s.getVersion() >= 2)
PlayerMover::synchronize(s);
SYNC_POINTER(_destObject);
s.syncAsSint16LE(_maxArea);
s.syncAsSint16LE(_minArea);
}
void PlayerMover2::dispatch() {
int total = _sceneObject->getSpliceArea(_destObject);
if (total <= _minArea)
endMove();
else {
setDest(_destObject->_position);
ObjectMover::dispatch();
}
}
void PlayerMover2::startMove(SceneObject *sceneObj, va_list va) {
_sceneObject = sceneObj;
_maxArea = va_arg(va, int);
_minArea = va_arg(va, int);
_destObject = va_arg(va, SceneObject *);
PlayerMover::setDest(_destObject->_position);
}
void PlayerMover2::endMove() {
_sceneObject->_regionIndex = 0x40;
}
/*--------------------------------------------------------------------------*/
PaletteModifier::PaletteModifier() {
_scenePalette = NULL;
_action = NULL;
}
/*--------------------------------------------------------------------------*/
PaletteModifierCached::PaletteModifierCached(): PaletteModifier() {
_step = 0;
_percent = 0;
}
void PaletteModifierCached::setPalette(ScenePalette *palette, int step) {
_scenePalette = palette;
_step = step;
_percent = 100;
}
void PaletteModifierCached::synchronize(Serializer &s) {
PaletteModifier::synchronize(s);
s.syncAsByte(_step);
s.syncAsSint32LE(_percent);
}
/*--------------------------------------------------------------------------*/
PaletteRotation::PaletteRotation() : PaletteModifierCached() {
_percent = 0;
_delayCtr = 0;
_frameNumber = g_globals->_events.getFrameNumber();
_idxChange = 1;
_countdown = 0;
}
void PaletteRotation::synchronize(Serializer &s) {
PaletteModifierCached::synchronize(s);
s.syncAsSint32LE(_delayCtr);
s.syncAsUint32LE(_frameNumber);
s.syncAsSint32LE(_currIndex);
s.syncAsSint32LE(_start);
s.syncAsSint32LE(_end);
s.syncAsSint32LE(_rotationMode);
s.syncAsSint32LE(_duration);
s.syncBytes(&_palette[0], 256 * 3);
if (g_vm->getGameID() == GType_Ringworld2) {
s.syncAsSint16LE(_idxChange);
s.syncAsSint16LE(_countdown);
}
}
void PaletteRotation::signal() {
if (_countdown > 0) {
--_countdown;
return;
}
if (_delayCtr) {
uint32 frameNumber = g_globals->_events.getFrameNumber();
if (frameNumber >= _frameNumber) {
_delayCtr -= frameNumber - _frameNumber;
_frameNumber = frameNumber;
if (_delayCtr < 0)
_delayCtr = 0;
}
}
if (_delayCtr)
return;
_delayCtr = _percent;
if (_step)
return;
bool flag = true;
switch (_rotationMode) {
case -1:
_currIndex -= _idxChange;
if (_currIndex < _start) {
flag = decDuration();
if (flag)
_currIndex = _end - 1;
}
break;
case 1:
_currIndex += _idxChange;
if (_currIndex >= _end) {
flag = decDuration();
if (flag)
_currIndex = _start;
}
break;
case 2:
_currIndex += _idxChange;
if (_currIndex >= _end) {
flag = decDuration();
if (flag) {
_currIndex = _end - 2;
_rotationMode = 3;
}
}
break;
case 3:
_currIndex -= _idxChange;
if (_currIndex < _start) {
flag = decDuration();
if (flag) {
_currIndex = _start + 1;
_rotationMode = 2;
}
}
break;
}
if (flag) {
int count2 = _currIndex - _start;
int count = _end - _currIndex;
g_system->getPaletteManager()->setPalette((const byte *)&_palette[_currIndex * 3], _start, count);
if (count2) {
g_system->getPaletteManager()->setPalette((const byte *)&_palette[_start * 3], _start + count, count2);
}
}
}
void PaletteRotation::remove() {
Action *action = _action;
if (_idxChange)
g_system->getPaletteManager()->setPalette((const byte *)&_palette[_start * 3], _start, _end - _start);
_scenePalette->_listeners.remove(this);
delete this;
if (action)
action->signal();
}
void PaletteRotation::set(ScenePalette *palette, int start, int end, int rotationMode, int duration, Action *action) {
_duration = duration;
_step = false;
_action = action;
_scenePalette = palette;
Common::copy(&palette->_palette[0], &palette->_palette[256 * 3], &_palette[0]);
_start = start;
_end = end + 1;
_rotationMode = rotationMode;
switch (_rotationMode) {
case -1:
case 3:
_currIndex = _end;
break;
default:
_currIndex = _start;
break;
}
}
bool PaletteRotation::decDuration() {
if (_duration) {
if (--_duration == 0) {
remove();
return false;
}
}
return true;
}
void PaletteRotation::setDelay(int amount) {
_percent = _delayCtr = amount;
}
/*--------------------------------------------------------------------------*/
void PaletteFader::synchronize(Serializer &s) {
PaletteModifierCached::synchronize(s);
s.syncAsSint16LE(_step);
s.syncAsSint16LE(_percent);
s.syncBytes(&_palette[0], 256 * 3);
}
void PaletteFader::signal() {
_percent -= _step;
if (_percent > 0) {
_scenePalette->fade((byte *)_palette, true /* 256 */, _percent);
} else {
remove();
}
}
void PaletteFader::remove() {
// Save of a copy of the object's action, since it will be used after the object is destroyed
Action *action = _action;
Common::copy(&_palette[0], &_palette[256 * 3], &_scenePalette->_palette[0]);
_scenePalette->refresh();
_scenePalette->_listeners.remove(this);
delete this;
if (action)
action->signal();
}
void PaletteFader::setPalette(ScenePalette *palette, int step) {
if (step < 0) {
// Reverse step means moving from dest palette to source, so swap the two palettes
byte tempPal[256 * 3];
Common::copy(&palette->_palette[0], &palette->_palette[256 * 3], &tempPal[0]);
Common::copy(&this->_palette[0], &this->_palette[256 * 3], &palette->_palette[0]);
Common::copy(&tempPal[0], &tempPal[256 * 3], &this->_palette[0]);
step = -step;
}
PaletteModifierCached::setPalette(palette, step);
}
/*--------------------------------------------------------------------------*/
ScenePalette::ScenePalette() {
// Set a default gradiant range
byte *palData = &_palette[0];
for (int idx = 0; idx < 256; ++idx) {
*palData++ = idx;
*palData++ = idx;
*palData++ = idx;
}
_field412 = 0;
}
ScenePalette::~ScenePalette() {
clearListeners();
}
ScenePalette::ScenePalette(int paletteNum) {
loadPalette(paletteNum);
}
bool ScenePalette::loadPalette(int paletteNum) {
byte *palData = g_resourceManager->getResource(RES_PALETTE, paletteNum, 0, true);
if (!palData)
return false;
int palStart = READ_LE_UINT16(palData);
int palSize = READ_LE_UINT16(palData + 2);
assert(palSize <= 256);
byte *destP = &_palette[palStart * 3];
byte *srcP = palData + 6;
Common::copy(&srcP[0], &srcP[palSize * 3], destP);
DEALLOCATE(palData);
return true;
}
void ScenePalette::refresh() {
// Set indexes for standard colors to closest color in the palette
_colors.background = indexOf(255, 255, 255); // White background
_colors.foreground = indexOf(0, 0, 0); // Black foreground
_redColor = indexOf(180, 0, 0); // Red-ish
_greenColor = indexOf(0, 180, 0); // Green-ish
_blueColor = indexOf(0, 0, 180); // Blue-ish
_aquaColor = indexOf(0, 180, 180); // Aqua
_purpleColor = indexOf(180, 0, 180); // Purple
_limeColor = indexOf(180, 180, 0); // Lime
// Refresh the palette
g_system->getPaletteManager()->setPalette((const byte *)&_palette[0], 0, 256);
}
/**
* Loads a section of the palette into the game palette
*/
void ScenePalette::setPalette(int index, int count) {
g_system->getPaletteManager()->setPalette((const byte *)&_palette[index * 3], index, count);
}
/**
* Get a palette entry
*/
void ScenePalette::getEntry(int index, uint *r, uint *g, uint *b) {
*r = _palette[index * 3];
*g = _palette[index * 3 + 1];
*b = _palette[index * 3 + 2];
}
/**
* Set a palette entry
*/
void ScenePalette::setEntry(int index, uint r, uint g, uint b) {
_palette[index * 3] = r;
_palette[index * 3 + 1] = g;
_palette[index * 3 + 2] = b;
}
/**
* Returns the palette index with the closest matching color to that specified
* @param r R component
* @param g G component
* @param b B component
* @param threshold Closeness threshold.
* @remarks A threshold may be provided to specify how close the matching color must be
*/
uint8 ScenePalette::indexOf(uint r, uint g, uint b, int threshold) {
int palIndex = -1;
byte *palData = &_palette[0];
for (int i = 0; i < 256; ++i) {
byte ir = *palData++;
byte ig = *palData++;
byte ib = *palData++;
int rDiff = abs(ir - (int)r);
int gDiff = abs(ig - (int)g);
int bDiff = abs(ib - (int)b);
int idxThreshold = rDiff * rDiff + gDiff * gDiff + bDiff * bDiff;
if (idxThreshold < threshold) {
threshold = idxThreshold;
palIndex = i;
}
}
return palIndex;
}
/**
* Loads the specified range of the palette with the current system palette
* @param start Start index
* @param count Number of palette entries
*/
void ScenePalette::getPalette(int start, int count) {
g_system->getPaletteManager()->grabPalette((byte *)&_palette[start], start, count);
}
void ScenePalette::signalListeners() {
SynchronizedList<PaletteModifier *>::iterator i = _listeners.begin();
while (i != _listeners.end()) {
PaletteModifier *obj = *i;
++i;
obj->signal();
}
}
void ScenePalette::clearListeners() {
SynchronizedList<PaletteModifier *>::iterator i = _listeners.begin();
while (i != _listeners.end()) {
PaletteModifier *obj = *i;
++i;
obj->remove();
}
}
void ScenePalette::fade(const byte *adjustData, bool fullAdjust, int percent) {
byte tempPalette[256 * 3];
// Ensure the percent adjustment is within 0 - 100%
percent = CLIP(percent, 0, 100);
for (int palIndex = 0; palIndex < 256; ++palIndex) {
const byte *srcP = (const byte *)&_palette[palIndex * 3];
byte *destP = &tempPalette[palIndex * 3];
for (int rgbIndex = 0; rgbIndex < 3; ++rgbIndex, ++srcP, ++destP) {
*destP = *srcP - ((*srcP - adjustData[rgbIndex]) * (100 - percent)) / 100;
}
if (fullAdjust)
adjustData += 3;
}
// Set the altered pale4tte
g_system->getPaletteManager()->setPalette((const byte *)&tempPalette[0], 0, 256);
g_system->updateScreen();
}
PaletteRotation *ScenePalette::addRotation(int start, int end, int rotationMode, int duration, Action *action) {
PaletteRotation *obj = new PaletteRotation();
if ((rotationMode == 2) || (rotationMode == 3))
duration <<= 1;
obj->set(this, start, end, rotationMode, duration, action);
_listeners.push_back(obj);
return obj;
}
PaletteFader *ScenePalette::addFader(const byte *arrBufferRGB, int palSize, int step, Action *action) {
PaletteFader *fader = new PaletteFader();
fader->_action = action;
for (int i = 0; i < 256 * 3; i += 3) {
fader->_palette[i] = *(arrBufferRGB + 0);
fader->_palette[i + 1] = *(arrBufferRGB + 1);
fader->_palette[i + 2] = *(arrBufferRGB + 2);
if (palSize > 1)
arrBufferRGB += 3;
}
fader->setPalette(this, step);
g_globals->_scenePalette._listeners.push_back(fader);
return fader;
}
void ScenePalette::changeBackground(const Rect &bounds, FadeMode fadeMode) {
ScenePalette tempPalette;
if (g_globals->_sceneManager._hasPalette) {
if ((fadeMode == FADEMODE_GRADUAL) || (fadeMode == FADEMODE_IMMEDIATE)) {
// Fade out any active palette
tempPalette.getPalette();
uint32 adjustData = 0;
for (int percent = 100; percent >= 0; percent -= 5) {
if (fadeMode == FADEMODE_IMMEDIATE)
percent = 0;
tempPalette.fade((byte *)&adjustData, false, percent);
g_system->delayMillis(10);
}
} else {
g_globals->_scenePalette.refresh();
g_globals->_sceneManager._hasPalette = false;
}
}
Rect tempRect = bounds;
if (g_vm->getGameID() != GType_Ringworld)
tempRect.setHeight(T2_GLOBALS._interfaceY);
g_globals->_screenSurface.copyFrom(g_globals->_sceneManager._scene->_backSurface,
tempRect, Rect(0, 0, tempRect.width(), tempRect.height()), NULL);
for (SynchronizedList<PaletteModifier *>::iterator i = tempPalette._listeners.begin(); i != tempPalette._listeners.end(); ++i)
delete *i;
tempPalette._listeners.clear();
}
void ScenePalette::synchronize(Serializer &s) {
if (s.getVersion() >= 2)
SavedObject::synchronize(s);
if (s.getVersion() >= 5)
_listeners.synchronize(s);
s.syncBytes(_palette, 256 * 3);
s.syncAsSint32LE(_colors.foreground);
s.syncAsSint32LE(_colors.background);
s.syncAsSint32LE(_field412);
s.syncAsByte(_redColor);
s.syncAsByte(_greenColor);
s.syncAsByte(_blueColor);
s.syncAsByte(_aquaColor);
s.syncAsByte(_purpleColor);
s.syncAsByte(_limeColor);
}
/*--------------------------------------------------------------------------*/
void SceneItem::synchronize(Serializer &s) {
EventHandler::synchronize(s);
_bounds.synchronize(s);
s.syncString(_msg);
s.syncAsSint32LE(_fieldE);
s.syncAsSint32LE(_field10);
s.syncAsSint16LE(_position.x); s.syncAsSint32LE(_position.y);
s.syncAsSint16LE(_yDiff);
s.syncAsSint32LE(_sceneRegionId);
}
void SceneItem::remove() {
g_globals->_sceneItems.remove(this);
}
bool SceneItem::startAction(CursorType action, Event &event) {
if (g_vm->getGameID() == GType_Ringworld) {
doAction(action);
return true;
} else if ((action == CURSOR_LOOK) || (action == CURSOR_USE) || (action == CURSOR_TALK) ||
(action < CURSOR_LOOK)) {
doAction(action);
return true;
} else {
return false;
}
}
void SceneItem::doAction(int action) {
const char *msg = NULL;
switch ((int)action) {
case CURSOR_LOOK:
msg = LOOK_SCENE_HOTSPOT;
break;
case CURSOR_USE:
msg = USE_SCENE_HOTSPOT;
break;
case CURSOR_TALK:
msg = TALK_SCENE_HOTSPOT;
break;
case 0x1000:
msg = SPECIAL_SCENE_HOTSPOT;
break;
default:
msg = DEFAULT_SCENE_HOTSPOT;
break;
}
GUIErrorMessage(msg);
}
bool SceneItem::contains(const Common::Point &pt) {
const Rect &sceneBounds = g_globals->_sceneManager._scene->_sceneBounds;
if (_sceneRegionId == 0)
return _bounds.contains(pt.x + sceneBounds.left, pt.y + sceneBounds.top);
else
return g_globals->_sceneRegions.indexOf(Common::Point(pt.x + sceneBounds.left,
pt.y + sceneBounds.top)) == _sceneRegionId;
}
void SceneItem::display(int resNum, int lineNum, ...) {
Common::String msg = (!resNum || (resNum == -1)) ? Common::String() :
g_resourceManager->getMessage(resNum, lineNum);
if ((g_vm->getGameID() != GType_Ringworld) && T2_GLOBALS._uiElements._active)
T2_GLOBALS._uiElements.hide();
if (g_globals->_sceneObjects->contains(&g_globals->_sceneText)) {
g_globals->_sceneText.remove();
g_globals->_sceneObjects->draw();
}
Common::Point pos(160, 100);
Rect textRect;
int maxWidth = 120;
bool keepOnscreen = false;
bool centerText = g_vm->getGameID() != GType_BlueForce;
Common::List<int> playList;
if (resNum != 0) {
va_list va;
va_start(va, lineNum);
if (resNum == -1)
msg = Common::String(va_arg(va, const char *));
if (g_vm->getGameID() == GType_Ringworld2) {
// Pre-process the string for any sound information
while (msg.hasPrefix("!")) {
msg.deleteChar(0);
playList.push_back(atoi(msg.c_str()));
while (!msg.empty() && (*msg.c_str() >= '0' && *msg.c_str() <= '9'))
msg.deleteChar(0);
}
}
int mode;
do {
// Get next instruction
mode = va_arg(va, int);
switch (mode) {
case SET_WIDTH:
// Set width
maxWidth = va_arg(va, int);
g_globals->_sceneText._width = maxWidth;
break;
case SET_X:
// Set the X Position
pos.x = va_arg(va, int);
break;
case SET_Y:
// Set the Y Position
pos.y = va_arg(va, int);
break;
case SET_FONT:
// Set the font number
g_globals->_sceneText._fontNumber = va_arg(va, int);
g_globals->gfxManager()._font.setFontNumber(g_globals->_sceneText._fontNumber);
break;
case SET_BG_COLOR: {
// Set the background color
int bgColor = va_arg(va, int);
g_globals->gfxManager()._font._colors.background = bgColor;
if (!bgColor)
g_globals->gfxManager().setFillFlag(false);
break;
}
case SET_FG_COLOR:
// Set the foreground color
g_globals->_sceneText._color1 = va_arg(va, int);
g_globals->gfxManager()._font._colors.foreground = g_globals->_sceneText._color1;
break;
case SET_KEEP_ONSCREEN:
// Suppresses immediate display
keepOnscreen = va_arg(va, int) != 0;
break;
case SET_EXT_BGCOLOR: {
// Set secondary bg color
int v = va_arg(va, int);
g_globals->_sceneText._color2 = v;
g_globals->gfxManager()._font._colors2.background = v;
break;
}
case SET_EXT_FGCOLOR: {
// Set secondary fg color
int v = va_arg(va, int);
g_globals->_sceneText._color3 = v;
g_globals->gfxManager()._font._colors.foreground = v;
break;
}
case SET_POS_MODE:
// Set whether a custom x/y is used
centerText = va_arg(va, int) != 0;
break;
case SET_TEXT_MODE:
// Set the text mode
g_globals->_sceneText._textMode = (TextAlign)va_arg(va, int);
break;
default:
break;
}
} while (mode != LIST_END);
va_end(va);
}
if (resNum) {
// Get required bounding size
GfxFont font;
font.setFontNumber(g_globals->_sceneText._fontNumber);
font.getStringBounds(msg.c_str(), textRect, maxWidth);
// Center the text at the specified position, and then constrain it to be-
textRect.center(pos.x, pos.y);
textRect.contain(g_globals->gfxManager()._bounds);
if (centerText) {
g_globals->_sceneText._color1 = g_globals->_sceneText._color2;
g_globals->_sceneText._color2 = 0;
g_globals->_sceneText._color3 = 0;
}
g_globals->_sceneText.setup(msg);
if (centerText) {
g_globals->_sceneText.setPosition(Common::Point(
g_globals->_sceneManager._scene->_sceneBounds.left + textRect.left,
g_globals->_sceneManager._scene->_sceneBounds.top + textRect.top), 0);
} else {
g_globals->_sceneText.setPosition(pos, 0);
}
g_globals->_sceneText.fixPriority(255);
g_globals->_sceneObjects->draw();
}
// Unless the flag is set to keep the message on-screen, show it until a mouse or keypress, then remove it
if (!keepOnscreen && !msg.empty()) {
Event event;
// Keep event on-screen until a mouse or keypress
while (!g_vm->shouldQuit() && !g_globals->_events.getEvent(event,
EVENT_BUTTON_DOWN | EVENT_KEYPRESS)) {
g_system->updateScreen();
g_system->delayMillis(10);
}
// For Return to Ringworld, play the voice overs in sequence
if ((g_vm->getGameID() == GType_Ringworld2) && !playList.empty() && !R2_GLOBALS._playStream.isPlaying()) {
R2_GLOBALS._playStream.play(*playList.begin(), NULL);
playList.pop_front();
}
g_globals->_sceneText.remove();
}
if ((g_vm->getGameID() != GType_Ringworld) && T2_GLOBALS._uiElements._active) {
// Show user interface
T2_GLOBALS._uiElements.show();
// Re-show the cursor
BF_GLOBALS._events.setCursor(BF_GLOBALS._events.getCursor());
}
}
void SceneItem::display2(int resNum, int lineNum) {
switch (g_vm->getGameID()) {
case GType_BlueForce:
display(resNum, lineNum, SET_WIDTH, 312,
SET_X, 4 + GLOBALS._sceneManager._scene->_sceneBounds.left,
SET_Y, GLOBALS._sceneManager._scene->_sceneBounds.top + UI_INTERFACE_Y + 2,
SET_FONT, 4, SET_BG_COLOR, 1, SET_FG_COLOR, 19, SET_EXT_BGCOLOR, 9,
SET_EXT_FGCOLOR, 13, LIST_END);
break;
case GType_Ringworld2:
display(resNum, lineNum, SET_WIDTH, 280, SET_X, 160, SET_Y, 20, SET_POS_MODE, ALIGN_CENTER,
SET_EXT_BGCOLOR, 60, LIST_END);
break;
default:
display(resNum, lineNum, SET_WIDTH, 200, SET_EXT_BGCOLOR, 7, LIST_END);
break;
}
}
void SceneItem::display(const Common::String &msg) {
assert(g_vm->getGameID() == GType_BlueForce);
display(-1, -1, msg.c_str(),
SET_WIDTH, 312,
SET_X, 4 + GLOBALS._sceneManager._scene->_sceneBounds.left,
SET_Y, GLOBALS._sceneManager._scene->_sceneBounds.top + UI_INTERFACE_Y + 2,
SET_FONT, 4, SET_BG_COLOR, 1, SET_FG_COLOR, 19, SET_EXT_BGCOLOR, 9,
SET_EXT_FGCOLOR, 13, LIST_END);
}
/*--------------------------------------------------------------------------*/
bool SceneHotspot::startAction(CursorType action, Event &event) {
switch (g_vm->getGameID()) {
case GType_BlueForce: {
BlueForce::SceneExt *scene = (BlueForce::SceneExt *)BF_GLOBALS._sceneManager._scene;
assert(scene);
return scene->display(action);
}
default:
return SceneItem::startAction(action, event);
}
}
void SceneHotspot::doAction(int action) {
switch ((int)action) {
case CURSOR_LOOK:
if (g_vm->getGameID() == GType_BlueForce)
SceneItem::display(LOOK_SCENE_HOTSPOT);
else
display(1, 0, SET_Y, 20, SET_WIDTH, 200, SET_EXT_BGCOLOR, 7, LIST_END);
break;
case CURSOR_USE:
if (g_vm->getGameID() == GType_BlueForce)
SceneItem::display(USE_SCENE_HOTSPOT);
else
display(1, 5, SET_Y, 20, SET_WIDTH, 200, SET_EXT_BGCOLOR, 7, LIST_END);
break;
case CURSOR_TALK:
if (g_vm->getGameID() == GType_BlueForce)
SceneItem::display(TALK_SCENE_HOTSPOT);
else
display(1, 15, SET_Y, 20, SET_WIDTH, 200, SET_EXT_BGCOLOR, 7, LIST_END);
break;
case CURSOR_WALK:
break;
default:
if (g_vm->getGameID() == GType_BlueForce)
SceneItem::display(DEFAULT_SCENE_HOTSPOT);
else
display(2, action, SET_Y, 20, SET_WIDTH, 200, SET_EXT_BGCOLOR, 7, LIST_END);
break;
}
}
/*--------------------------------------------------------------------------*/
void SceneObjectWrapper::setSceneObject(SceneObject *so) {
_sceneObject = so;
so->_strip = 1;
so->_flags |= OBJFLAG_PANES;
}
void SceneObjectWrapper::synchronize(Serializer &s) {
EventHandler::synchronize(s);
SYNC_POINTER(_sceneObject);
}
void SceneObjectWrapper::remove() {
delete this;
}
void SceneObjectWrapper::dispatch() {
if (g_vm->getGameID() == GType_Ringworld)
check();
}
void SceneObjectWrapper::check() {
_visageImages.setVisage(_sceneObject->_visage);
int visageCount = _visageImages.getFrameCount();
int angle = _sceneObject->_angle;
int strip = _sceneObject->_strip;
if (visageCount == 4) {
if ((angle > 314) || (angle < 45))
strip = 4;
if ((angle > 44) && (angle < 135))
strip = 1;
if ((angle >= 135) && (angle < 225))
strip = 3;
if ((angle >= 225) && (angle < 315))
strip = 2;
} else if (visageCount == 8) {
if ((angle > 330) || (angle < 30))
strip = 4;
if ((angle >= 30) && (angle < 70))
strip = 7;
if ((angle >= 70) && (angle < 110))
strip = 1;
if ((angle >= 110) && (angle < 150))
strip = 5;
if ((angle >= 150) && (angle < 210))
strip = 3;
if ((angle >= 210) && (angle < 250))
strip = 6;
if ((angle >= 250) && (angle < 290))
strip = 2;
if ((angle >= 290) && (angle < 331))
strip = 8;
}
if (strip > visageCount)
strip = visageCount;
_sceneObject->setStrip(strip);
}
/*--------------------------------------------------------------------------*/
SceneObject::SceneObject() : SceneHotspot() {
_endAction = NULL;
_mover = NULL;
_objectWrapper = NULL;
_flags = 0;
_walkStartFrame = 0;
_animateMode = ANIM_MODE_NONE;
_updateStartFrame = 0;
_moveDiff.x = 5;
_moveDiff.y = 3;
_numFrames = 10;
_moveRate = 10;
_regionBitList = 0;
_sceneRegionId = 0;
_percent = 100;
_flags |= OBJFLAG_PANES;
_priority = 0;
_frameChange = 0;
_visage = 0;
_strip = 0;
_frame = 0;
_effect = 0;
_shade = 0;
}
SceneObject::SceneObject(const SceneObject &so) : SceneHotspot() {
*this = so;
if (_objectWrapper)
// Create a fresh object wrapper for this object
_objectWrapper = new SceneObjectWrapper();
}
SceneObject::~SceneObject() {
delete _mover;
delete _objectWrapper;
}
int SceneObject::getNewFrame() {
int frameNum = _frame + _frameChange;
if (_frameChange > 0) {
if (frameNum > getFrameCount()) {
frameNum = 1;
if (_animateMode == ANIM_MODE_1)
++frameNum;
}
} else if (frameNum < 1) {
frameNum = getFrameCount();
}
return frameNum;
}
int SceneObject::getFrameCount() {
_visageImages.setVisage(_visage, _strip);
return _visageImages.getFrameCount();
}
void SceneObject::animEnded() {
_animateMode = ANIM_MODE_NONE;
if (_endAction)
_endAction->signal();
}
int SceneObject::changeFrame() {
int frameNum = _frame;
uint32 mouseCtr = g_globals->_events.getFrameNumber();
if ((_updateStartFrame <= mouseCtr) || (_animateMode == ANIM_MODE_1)) {
if (_numFrames > 0) {
int v = 60 / _numFrames;
_updateStartFrame = mouseCtr + v;
frameNum = getNewFrame();
}
}
return frameNum;
}
void SceneObject::setPosition(const Common::Point &p, int yDiff) {
_position = p;
_yDiff = yDiff;
_flags |= OBJFLAG_PANES;
}
void SceneObject::setZoom(int percent) {
assert((percent >= -1) && (percent < 999));
if (percent != _percent) {
_percent = percent;
_flags |= OBJFLAG_PANES;
}
}
void SceneObject::updateZoom() {
changeZoom(_percent);
}
void SceneObject::changeZoom(int percent) {
if (percent == -1)
_flags &= ~OBJFLAG_ZOOMED;
else {
_flags |= OBJFLAG_ZOOMED;
setZoom(percent);
}
}
void SceneObject::setStrip(int stripNum) {
if (stripNum != _strip) {
_strip = stripNum;
_flags |= OBJFLAG_PANES;
}
}
void SceneObject::setStrip2(int stripNum) {
if (stripNum == -1)
_flags &= ~OBJFLAG_SUPPRESS_DISPATCH;
else {
_flags |= OBJFLAG_SUPPRESS_DISPATCH;
setStrip(stripNum);
}
}
void SceneObject::setFrame(int frameNum) {
if (frameNum != _frame) {
_frame = frameNum;
_flags |= OBJFLAG_PANES;
}
}
void SceneObject::setFrame2(int frameNum) {
if (frameNum != -1) {
_flags |= OBJFLAG_NO_UPDATES;
setFrame(frameNum);
} else {
_flags &= ~OBJFLAG_NO_UPDATES;
}
}
void SceneObject::setPriority(int priority) {
if (priority != _priority) {
_priority = priority;
_flags |= OBJFLAG_PANES;
}
}
void SceneObject::fixPriority(int priority) {
if (priority == -1) {
_flags &= ~OBJFLAG_FIXED_PRIORITY;
} else {
_flags |= OBJFLAG_FIXED_PRIORITY;
setPriority(priority);
}
}
void SceneObject::setVisage(int visage) {
if (visage != _visage) {
_visage = visage;
_flags |= OBJFLAG_PANES;
}
}
void SceneObject::setObjectWrapper(SceneObjectWrapper *objWrapper) {
if (_objectWrapper)
_objectWrapper->remove();
_objectWrapper = objWrapper;
if (objWrapper)
objWrapper->setSceneObject(this);
}
void SceneObject::addMover(ObjectMover *mover, ...) {
if (_mover)
_mover->remove();
_mover = mover;
if (mover) {
// Set up the assigned mover
_walkStartFrame = g_globals->_events.getFrameNumber();
if (_moveRate != 0)
_walkStartFrame = 60 / _moveRate;
// Signal the mover that movement is beginning
va_list va;
va_start(va, mover);
mover->startMove(this, va);
va_end(va);
}
}
void SceneObject::getHorizBounds() {
Rect tempRect;
GfxSurface frame = getFrame();
tempRect.resize(frame, _position.x, _position.y - _yDiff, _percent);
_xs = tempRect.left;
_xe = tempRect.right;
}
int SceneObject::getRegionIndex() {
return g_globals->_sceneRegions.indexOf(_position);
}
int SceneObject::checkRegion(const Common::Point &pt) {
Rect tempRect;
int regionIndex = 0;
// Temporarily change the position
Common::Point savedPos = _position;
_position = pt;
int regIndex = g_globals->_sceneRegions.indexOf(pt);
if (_regionBitList & (1 << regIndex))
regionIndex = regIndex;
// Restore position
_position = savedPos;
// Get the object's frame bounds
GfxSurface frame = getFrame();
tempRect.resize(frame, _position.x, _position.y - _yDiff, _percent);
int yPos, newY;
if ((_position.y - _yDiff) <= (pt.y - _yDiff)) {
yPos = _position.y - _yDiff;
newY = pt.y;
} else {
yPos = pt.y - _yDiff;
newY = _position.y;
}
newY -= _yDiff;
SynchronizedList<SceneObject *>::iterator i;
for (i = g_globals->_sceneObjects->begin(); (regionIndex == 0) && (i != g_globals->_sceneObjects->end()); ++i) {
if ((*i) && ((*i)->_flags & OBJFLAG_CHECK_REGION)) {
int objYDiff = (*i)->_position.y - _yDiff;
if ((objYDiff >= yPos) && (objYDiff <= newY) &&
((*i)->_xs < tempRect.right) && ((*i)->_xe > tempRect.left)) {
// Found index
regionIndex = (*i)->_regionIndex;
break;
}
}
}
return regionIndex;
}
void SceneObject::animate(AnimateMode animMode, ...) {
_animateMode = animMode;
_updateStartFrame = g_globals->_events.getFrameNumber();
if (_numFrames)
_updateStartFrame += 60 / _numFrames;
va_list va;
va_start(va, animMode);
switch (_animateMode) {
case ANIM_MODE_NONE:
_endAction = NULL;
break;
case ANIM_MODE_1:
_frameChange = 1;
_field2E = _position;
_endAction = 0;
break;
case ANIM_MODE_2:
_frameChange = 1;
_endAction = NULL;
break;
case ANIM_MODE_3:
_frameChange = -1;
_endAction = NULL;
break;
case ANIM_MODE_4:
_endFrame = va_arg(va, int);
_frameChange = va_arg(va, int);
_endAction = va_arg(va, Action *);
if (_endFrame == _frame)
setFrame(getNewFrame());
break;
case ANIM_MODE_5:
_frameChange = 1;
_endFrame = getFrameCount();
_endAction = va_arg(va, Action *);
if (_endFrame == _frame)
setFrame(getNewFrame());
break;
case ANIM_MODE_6:
_frameChange = -1;
_endAction = va_arg(va, Action *);
_endFrame = 1;
if (_frame == _endFrame)
setFrame(getNewFrame());
break;
case ANIM_MODE_7:
_endFrame = va_arg(va, int);
_endAction = va_arg(va, Action *);
_frameChange = 1;
break;
case ANIM_MODE_8:
case ANIM_MODE_9:
_field68 = va_arg(va, int);
_endAction = va_arg(va, Action *);
_frameChange = 1;
_endFrame = getFrameCount();
if (_frame == _endFrame)
setFrame(getNewFrame());
break;
}
}
SceneObject *SceneObject::clone() const {
SceneObject *obj = new SceneObject(*this);
return obj;
}
void SceneObject::copy(SceneObject *src) {
*this = *src;
_objectWrapper = NULL;
_mover = NULL;
_endAction = NULL;
}
void SceneObject::checkAngle(const SceneObject *obj) {
checkAngle(obj->_position);
}
void SceneObject::checkAngle(const Common::Point &pt) {
int angleAmount = GfxManager::getAngle(_position, pt);
if (angleAmount != -1) {
_angle = angleAmount;
if (_animateMode == ANIM_MODE_9)
_angle = (angleAmount + 180) % 360;
}
if (_objectWrapper && (g_vm->getGameID() == GType_Ringworld))
_objectWrapper->dispatch();
}
void SceneObject::hide() {
_flags |= OBJFLAG_HIDE;
if (_flags & OBJFLAG_HIDING)
_flags |= OBJFLAG_PANES;
}
void SceneObject::show() {
if (_flags & OBJFLAG_HIDE) {
_flags &= ~OBJFLAG_HIDE;
_flags |= OBJFLAG_PANES;
}
}
int SceneObject::getSpliceArea(const SceneObject *obj) {
int xd = ABS(_position.x - obj->_position.x);
int yd = ABS(_position.y - obj->_position.y);
return (xd * xd + yd) / 2;
}
void SceneObject::synchronize(Serializer &s) {
SceneHotspot::synchronize(s);
s.syncAsUint32LE(_updateStartFrame);
s.syncAsUint32LE(_walkStartFrame);
s.syncAsSint16LE(_field2E.x); s.syncAsSint16LE(_field2E.y);
s.syncAsSint16LE(_percent);
s.syncAsSint16LE(_priority);
s.syncAsSint16LE(_angle);
s.syncAsUint32LE(_flags);
s.syncAsSint16LE(_xs);
s.syncAsSint16LE(_xe);
_paneRects[0].synchronize(s);
_paneRects[1].synchronize(s);
s.syncAsSint32LE(_visage);
SYNC_POINTER(_objectWrapper);
s.syncAsSint32LE(_strip);
SYNC_ENUM(_animateMode, AnimateMode);
s.syncAsSint32LE(_frame);
s.syncAsSint32LE(_endFrame);
s.syncAsSint32LE(_field68);
s.syncAsSint32LE(_frameChange);
s.syncAsSint32LE(_numFrames);
s.syncAsSint32LE(_regionIndex);
SYNC_POINTER(_mover);
s.syncAsSint16LE(_moveDiff.x); s.syncAsSint16LE(_moveDiff.y);
s.syncAsSint32LE(_moveRate);
SYNC_POINTER(_endAction);
s.syncAsUint32LE(_regionBitList);
if (g_vm->getGameID() == GType_Ringworld2) {
s.syncAsSint16LE(_effect);
s.syncAsSint16LE(_shade);
}
}
void SceneObject::postInit(SceneObjectList *OwnerList) {
if (!OwnerList)
OwnerList = g_globals->_sceneObjects;
if (!OwnerList->contains(this)) {
_percent = 100;
_priority = 255;
_flags = 4;
_visage = 0;
_strip = 1;
_frame = 1;
_objectWrapper = NULL;
_animateMode = ANIM_MODE_NONE;
_endAction = 0;
_mover = NULL;
_yDiff = 0;
_moveDiff.x = 5;
_moveDiff.y = 3;
_moveRate = 10;
_regionIndex = 0x40;
_numFrames = 10;
_regionBitList = 0;
OwnerList->push_back(this);
_flags |= OBJFLAG_PANES;
}
}
void SceneObject::remove() {
SceneItem::remove();
if (g_globals->_sceneObjects->contains(this))
// For objects in the object list, flag the object for removal in the next drawing, so that
// the drawing code has a chance to restore the area previously covered by the object
_flags |= OBJFLAG_PANES | OBJFLAG_REMOVE | OBJFLAG_HIDE;
else
// Not in the list, so immediately remove the object
removeObject();
}
void SceneObject::dispatch() {
uint32 currTime = g_globals->_events.getFrameNumber();
if (_action)
_action->dispatch();
if (_mover && (_walkStartFrame <= currTime)) {
if (_moveRate) {
int frameInc = 60 / _moveRate;
_walkStartFrame = currTime + frameInc;
}
_mover->dispatch();
}
if (!(_flags & OBJFLAG_NO_UPDATES)) {
switch (_animateMode) {
case ANIM_MODE_1:
if (isNoMover())
setFrame(1);
else if ((_field2E.x != _position.x) || (_field2E.y != _position.y)) {
setFrame(changeFrame());
_field2E = _position;
}
break;
case ANIM_MODE_2:
case ANIM_MODE_3:
setFrame(changeFrame());
break;
case ANIM_MODE_4:
case ANIM_MODE_5:
case ANIM_MODE_6:
if (_frame == _endFrame)
animEnded();
else
setFrame(changeFrame());
break;
case ANIM_MODE_7:
if (changeFrame() != _frame) {
// Pick a new random frame
int frameNum = 0;
do {
int count = getFrameCount();
frameNum = g_globals->_randomSource.getRandomNumber(count - 1);
} while (frameNum == _frame);
setFrame(frameNum);
if (_endFrame) {
if (--_endFrame == 0)
animEnded();
}
}
break;
case ANIM_MODE_8:
if (_frame == _endFrame) {
if (_frameChange != -1) {
_frameChange = -1;
_endFrame = 1;
setFrame(changeFrame());
} else if (!_field68 || (--_field68 > 0)) {
_frameChange = 1;
_endFrame = getFrameCount();
setFrame(changeFrame());
} else {
animEnded();
}
} else {
setFrame(changeFrame());
}
break;
case ANIM_MODE_9:
if (_frame == _endFrame) {
if (_frameChange != -1) {
_frameChange = -1;
_strip = ((_strip - 1) ^ 1) + 1;
_endFrame = 1;
} else if ((_field68 == 0) || (--_field68 != 0)) {
_frameChange = 1;
_endFrame = getFrameCount();
setFrame(changeFrame());
} else {
animEnded();
}
} else {
setFrame(changeFrame());
}
break;
default:
break;
}
}
// Handle updating the zoom and/or priority
if (!(_flags & OBJFLAG_ZOOMED)) {
int yp = CLIP((int)_position.y, 0, 255);
setZoom(g_globals->_sceneManager._scene->_zoomPercents[yp]);
}
if (!(_flags & OBJFLAG_FIXED_PRIORITY)) {
setPriority(_position.y);
}
}
void SceneObject::calcAngle(const Common::Point &pt) {
int newAngle = GfxManager::getAngle(_position, pt);
if (newAngle != -1)
_angle = newAngle;
}
void SceneObject::removeObject() {
g_globals->_sceneItems.remove(this);
g_globals->_sceneObjects->remove(this);
if (_objectWrapper) {
_objectWrapper->remove();
_objectWrapper = NULL;
}
if (_mover) {
_mover->remove();
_mover = NULL;
}
if (_flags & OBJFLAG_CLONED)
// Cloned temporary object, so delete it
delete this;
}
GfxSurface SceneObject::getFrame() {
_visageImages.setVisage(_visage, _strip);
return _visageImages.getFrame(_frame);
}
void SceneObject::reposition() {
GfxSurface frame = getFrame();
_bounds.resize(frame, _position.x, _position.y - _yDiff, _percent);
_xs = _bounds.left;
_xe = _bounds.right;
}
/**
* Draws an object into the scene
*/
void SceneObject::draw() {
Rect destRect = _bounds;
destRect.translate(-g_globals->_sceneManager._scene->_sceneBounds.left,
-g_globals->_sceneManager._scene->_sceneBounds.top);
Region *priorityRegion = g_globals->_sceneManager._scene->_priorities.find(_priority);
GfxSurface frame = getFrame();
g_globals->gfxManager().copyFrom(frame, destRect, priorityRegion);
}
/**
* Refreshes the background around the area of a scene object prior to it's being redrawn,
* in case it is moving
*/
void SceneObject::updateScreen() {
Rect srcRect = _paneRects[CURRENT_PANENUM];
const Rect &sceneBounds = g_globals->_sceneManager._scene->_sceneBounds;
srcRect.left = (srcRect.left / 4) * 4;
srcRect.right = ((srcRect.right + 3) / 4) * 4;
srcRect.clip(g_globals->_sceneManager._scene->_sceneBounds);
if (g_vm->getGameID() != GType_Ringworld) {
if (T2_GLOBALS._uiElements._visible)
srcRect.bottom = MIN<int16>(srcRect.bottom, T2_GLOBALS._interfaceY);
}
if (srcRect.isValidRect()) {
Rect destRect = srcRect;
destRect.translate(-sceneBounds.left, -sceneBounds.top);
srcRect.translate(-g_globals->_sceneOffset.x, -g_globals->_sceneOffset.y);
g_globals->_screenSurface.copyFrom(g_globals->_sceneManager._scene->_backSurface, srcRect, destRect);
}
}
void SceneObject::updateAngle(const Common::Point &pt) {
checkAngle(pt);
if (_objectWrapper)
_objectWrapper->check();
}
void SceneObject::changeAngle(int angle) {
_angle = angle;
if (_objectWrapper)
_objectWrapper->check();
}
void SceneObject::setup(int visage, int stripFrameNum, int frameNum, int posX, int posY, int priority) {
postInit();
setVisage(visage);
setStrip(stripFrameNum);
setFrame(frameNum);
setPosition(Common::Point(posX, posY), 0);
fixPriority(priority);
}
void SceneObject::setup(int visage, int stripFrameNum, int frameNum) {
postInit();
setVisage(visage);
setStrip(stripFrameNum);
setFrame(frameNum);
}
/*--------------------------------------------------------------------------*/
void BackgroundSceneObject::postInit(SceneObjectList *OwnerList) {
SceneObjectList dummyList;
SceneObjectList *pList = !g_globals->_sceneManager._scene ? &dummyList :
&g_globals->_sceneManager._scene->_bgSceneObjects;
SceneObject::postInit(pList);
}
void BackgroundSceneObject::draw() {
assert(g_globals->_sceneManager._scene);
Rect destRect = _bounds;
destRect.translate(-g_globals->_sceneManager._scene->_sceneBounds.left,
-g_globals->_sceneManager._scene->_sceneBounds.top);
Region *priorityRegion = g_globals->_sceneManager._scene->_priorities.find(_priority);
GfxSurface frame = getFrame();
g_globals->_sceneManager._scene->_backSurface.copyFrom(frame, destRect, priorityRegion);
}
/*--------------------------------------------------------------------------*/
void SceneObjectList::draw() {
Common::Array<SceneObject *> objList;
int paneNum = 0;
int xAmount = 0, yAmount = 0;
if (_objList.size() == 0) {
// Alternate draw mode
if (g_globals->_paneRefreshFlag[paneNum] == 1) {
// Load the background
g_globals->_sceneManager._scene->refreshBackground(0, 0);
Rect tempRect = g_globals->_sceneManager._scene->_sceneBounds;
tempRect.translate(-g_globals->_sceneOffset.x, -g_globals->_sceneOffset.y);
ScenePalette::changeBackground(tempRect, g_globals->_sceneManager._fadeMode);
} else {
g_globals->_paneRegions[CURRENT_PANENUM].draw();
}
g_globals->_paneRegions[CURRENT_PANENUM].setRect(0, 0, 0, 0);
g_globals->_sceneManager.fadeInIfNecessary();
} else {
// If there is a scroll follower, check whether it has moved off-screen
if (g_globals->_scrollFollower) {
const Rect &scrollerRect = g_globals->_sceneManager._scrollerRect;
Common::Point objPos(
g_globals->_scrollFollower->_position.x - g_globals->_sceneManager._scene->_sceneBounds.left,
g_globals->_scrollFollower->_position.y - g_globals->_sceneManager._scene->_sceneBounds.top);
int loadCount = 0;
if (objPos.x >= scrollerRect.right) {
xAmount = 8;
loadCount = 20;
}
if (objPos.x < scrollerRect.left) {
xAmount = -8;
loadCount = 20;
}
if (objPos.y >= scrollerRect.bottom) {
yAmount = 2;
loadCount = 25;
}
if (objPos.y < scrollerRect.top) {
yAmount = -2;
loadCount = 25;
}
if (loadCount > 0)
g_globals->_sceneManager.setBgOffset(Common::Point(xAmount, yAmount), loadCount);
}
if (g_globals->_sceneManager._sceneLoadCount > 0) {
--g_globals->_sceneManager._sceneLoadCount;
g_globals->_sceneManager._scene->loadBackground(g_globals->_sceneManager._sceneBgOffset.x,
g_globals->_sceneManager._sceneBgOffset.y);
}
// Set up the flag mask
uint32 flagMask = (paneNum == 0) ? OBJFLAG_PANE_0 : OBJFLAG_PANE_1;
// Initial loop to set up object list and update object position, priority, and flags
for (SynchronizedList<SceneObject *>::iterator i = g_globals->_sceneObjects->begin();
i != g_globals->_sceneObjects->end(); ++i) {
SceneObject *obj = *i;
objList.push_back(obj);
if (!(obj->_flags & OBJFLAG_HIDE))
obj->_flags &= ~OBJFLAG_HIDING;
// Reposition the bounds of the object to match the desired position
obj->reposition();
// Handle updating object priority
if (!(obj->_flags & OBJFLAG_FIXED_PRIORITY)) {
obj->_priority = MIN((int)obj->_position.y,
(int)g_globals->_sceneManager._scene->_backgroundBounds.bottom - 1);
}
if ((g_globals->_paneRefreshFlag[paneNum] != 0) || !g_globals->_paneRegions[paneNum].empty()) {
obj->_flags |= flagMask;
}
}
// Check for any intersections, and then sort the object list by priority
checkIntersection(objList, objList.size(), CURRENT_PANENUM);
sortList(objList);
if (g_globals->_paneRefreshFlag[paneNum] == 1) {
// Load the background
g_globals->_sceneManager._scene->refreshBackground(0, 0);
}
g_globals->_sceneManager._scene->_sceneBounds.left &= ~3;
g_globals->_sceneManager._scene->_sceneBounds.right &= ~3;
g_globals->_sceneOffset.x &= ~3;
if (g_globals->_paneRefreshFlag[paneNum] != 0) {
// Change the background
Rect tempRect = g_globals->_sceneManager._scene->_sceneBounds;
tempRect.translate(-g_globals->_sceneOffset.x, -g_globals->_sceneOffset.y);
ScenePalette::changeBackground(tempRect, g_globals->_sceneManager._fadeMode);
} else {
for (uint objIndex = 0; objIndex < objList.size(); ++objIndex) {
SceneObject *obj = objList[objIndex];
if ((obj->_flags & flagMask) && obj->_paneRects[paneNum].isValidRect())
obj->updateScreen();
}
g_globals->_paneRegions[paneNum].draw();
}
g_globals->_paneRegions[paneNum].setRect(0, 0, 0, 0);
// FIXME: Currently, removing objects causes screen flickers when the removed object intersects
// another drawn object, since the background is briefly redrawn over the object. For now, I'm
// using a forced jump back to redraw objects. In the long term, I should figure out how the
// original game does this properly
bool redrawFlag = true;
while (redrawFlag) {
redrawFlag = false;
// Main draw loop
for (uint objIndex = 0; objIndex < objList.size(); ++objIndex) {
SceneObject *obj = objList[objIndex];
if ((obj->_flags & flagMask) && !(obj->_flags & OBJFLAG_HIDE)) {
obj->_paneRects[paneNum] = obj->_bounds;
obj->draw();
}
}
// Update the palette
g_globals->_sceneManager.fadeInIfNecessary();
g_globals->_sceneManager._loadMode = 0;
g_globals->_paneRefreshFlag[paneNum] = 0;
// Loop through the object list, removing any objects and refreshing the screen as necessary
for (uint objIndex = 0; objIndex < objList.size() && !redrawFlag; ++objIndex) {
SceneObject *obj = objList[objIndex];
if (obj->_flags & OBJFLAG_HIDE)
obj->_flags |= OBJFLAG_HIDING;
obj->_flags &= ~flagMask;
if (obj->_flags & OBJFLAG_REMOVE) {
obj->_flags |= OBJFLAG_PANES;
checkIntersection(objList, objIndex, CURRENT_PANENUM);
obj->updateScreen();
obj->removeObject();
objList.remove_at(objIndex);
redrawFlag = true;
}
}
}
}
}
void SceneObjectList::checkIntersection(Common::Array<SceneObject *> &ObjList, uint ObjIndex, int PaneNum) {
uint32 flagMask = (PaneNum == 0) ? OBJFLAG_PANE_0 : OBJFLAG_PANE_1;
SceneObject *obj = (ObjIndex == ObjList.size()) ? NULL : ObjList[ObjIndex];
Rect rect1;
for (uint idx = 0; idx < ObjList.size(); ++idx) {
SceneObject *currObj = ObjList[idx];
if (ObjIndex == ObjList.size()) {
if (currObj->_flags & flagMask)
checkIntersection(ObjList, idx, PaneNum);
} else if (idx != ObjIndex) {
Rect &paneRect = obj->_paneRects[PaneNum];
Rect objBounds = currObj->_bounds;
if (paneRect.isValidRect())
objBounds.extend(paneRect);
Rect objBounds2 = currObj->_bounds;
if (paneRect.isValidRect())
objBounds2.extend(paneRect);
objBounds.left &= ~3;
objBounds.right += 3;
objBounds.right &= ~3;
objBounds2.left &= ~3;
objBounds2.right += 3;
objBounds2.right &= ~3;
if (objBounds.intersects(objBounds2) && !(currObj->_flags & flagMask)) {
currObj->_flags |= flagMask;
checkIntersection(ObjList, idx, PaneNum);
}
}
}
}
struct SceneObjectLess {
bool operator()(const SceneObject *x, const SceneObject *y) const {
if (y->_priority > x->_priority)
return true;
else if ((y->_priority == x->_priority) && (y->_position.y > x->_position.y))
return true;
else if ((y->_priority == x->_priority) && (y->_position.y == x->_position.y) &&
(y->_yDiff > x->_yDiff))
return true;
return false;
}
};
void SceneObjectList::sortList(Common::Array<SceneObject *> &ObjList) {
Common::sort(ObjList.begin(), ObjList.end(), SceneObjectLess());
}
void SceneObjectList::activate() {
SceneObjectList *objectList = g_globals->_sceneObjects;
g_globals->_sceneObjects = this;
g_globals->_sceneObjects_queue.push_front(this);
// Flag all the objects as modified
SynchronizedList<SceneObject *>::iterator i;
for (i = begin(); i != end(); ++i) {
(*i)->_flags |= OBJFLAG_PANES;
}
// Replicate all existing objects on the old object list
for (i = objectList->begin(); i != objectList->end(); ++i) {
SceneObject *sceneObj = (*i)->clone();
sceneObj->_flags |= OBJFLAG_HIDE | OBJFLAG_REMOVE | OBJFLAG_CLONED;
push_front(sceneObj);
}
}
void SceneObjectList::deactivate() {
if (g_globals->_sceneObjects_queue.size() <= 1)
return;
SceneObjectList *objectList = *g_globals->_sceneObjects_queue.begin();
g_globals->_sceneObjects_queue.pop_front();
g_globals->_sceneObjects = *g_globals->_sceneObjects_queue.begin();
SynchronizedList<SceneObject *>::iterator i;
for (i = objectList->begin(); i != objectList->end(); ++i) {
if (!((*i)->_flags & OBJFLAG_CLONED)) {
SceneObject *sceneObj = (*i)->clone();
sceneObj->_flags |= OBJFLAG_HIDE | OBJFLAG_REMOVE | OBJFLAG_CLONED;
g_globals->_sceneObjects->push_front(sceneObj);
}
}
}
void SceneObjectList::synchronize(Serializer &s) {
if (s.getVersion() >= 2)
SavedObject::synchronize(s);
_objList.synchronize(s);
}
/*--------------------------------------------------------------------------*/
SceneText::SceneText() : SceneObject() {
_fontNumber = 2;
_width = 160;
_textMode = ALIGN_LEFT;
_color1 = 0;
_color2 = 0;
_color3 = 0;
}
SceneText::~SceneText() {
}
void SceneText::setup(const Common::String &msg) {
GfxManager gfxMan(_textSurface);
gfxMan.activate();
Rect textRect;
if ((g_vm->getGameID() != GType_Ringworld) && g_globals->_sceneObjects->contains(this) &&
(_flags & OBJFLAG_REMOVE)) {
// Trying to setup a SceneText scheduled to be removed, so remove it now
_bounds.expandPanes();
this->removeObject();
g_globals->_sceneObjects->remove(this);
}
gfxMan._font.setFontNumber(_fontNumber);
gfxMan._font._colors.foreground = _color1;
gfxMan._font._colors2.background = _color2;
gfxMan._font._colors2.foreground = _color3;
gfxMan.getStringBounds(msg.c_str(), textRect, _width);
_bounds.setWidth(textRect.width());
_bounds.setHeight(textRect.height());
// Set up a new blank surface to hold the text
_textSurface.create(textRect.width(), textRect.height());
_textSurface._transColor = 0xff;
_textSurface.fillRect(textRect, _textSurface._transColor);
// Write the text to the surface
gfxMan._bounds = textRect;
gfxMan._font.writeLines(msg.c_str(), textRect, _textMode);
// Do post-init, which adds this SceneText object to the scene
postInit();
gfxMan.deactivate();
}
void SceneText::synchronize(Serializer &s) {
SceneObject::synchronize(s);
s.syncAsSint16LE(_fontNumber);
s.syncAsSint16LE(_width);
s.syncAsSint16LE(_color1);
s.syncAsSint16LE(_color2);
s.syncAsSint16LE(_color3);
SYNC_ENUM(_textMode, TextAlign);
if (s.getVersion() >= 5)
_textSurface.synchronize(s);
}
void SceneText::updateScreen() {
// FIXME: Hack for Blue Force to handle not refreshing the screen if the user interface
// has been re-activated after showing some scene text
if ((g_vm->getGameID() == GType_Ringworld) || (_bounds.top < UI_INTERFACE_Y) ||
!T2_GLOBALS._uiElements._visible)
SceneObject::updateScreen();
}
/*--------------------------------------------------------------------------*/
Visage::Visage() {
_resNum = -1;
_rlbNum = -1;
_data = NULL;
_flipHoriz = false;
}
Visage::Visage(const Visage &v) {
_resNum = v._resNum;
_rlbNum = v._rlbNum;
_data = v._data;
if (_data)
g_vm->_memoryManager.incLocks(_data);
}
Visage &Visage::operator=(const Visage &s) {
_resNum = s._resNum;
_rlbNum = s._rlbNum;
_data = s._data;
if (_data)
g_vm->_memoryManager.incLocks(_data);
return *this;
}
void Visage::setVisage(int resNum, int rlbNum) {
if ((_resNum != resNum) || (_rlbNum != rlbNum)) {
_resNum = resNum;
_rlbNum = rlbNum;
DEALLOCATE(_data);
if (g_vm->getGameID() == GType_Ringworld) {
// In Ringworld, we immediately get the data
_data = g_resourceManager->getResource(RES_VISAGE, resNum, rlbNum);
} else {
// Games after Ringworld have an extra indirection via the visage index file
byte *indexData = g_resourceManager->getResource(RES_VISAGE, resNum, 9999);
if (rlbNum == 9999) {
_data = indexData;
} else {
if (rlbNum == 0)
rlbNum = 1;
// Check how many slots there are
uint16 count = READ_LE_UINT16(indexData);
if (rlbNum > count)
rlbNum = count;
// Get the flags/rlbNum to use
uint32 v = READ_LE_UINT32(indexData + (rlbNum - 1) * 4 + 2);
int flags = v >> 30;
if (flags & 3) {
rlbNum = (int)(v & 0xff);
}
_flipHoriz = flags & 1;
_data = g_resourceManager->getResource(RES_VISAGE, resNum, rlbNum);
}
}
assert(_data);
}
}
Visage::~Visage() {
DEALLOCATE(_data);
}
GfxSurface Visage::getFrame(int frameNum) {
int numFrames = READ_LE_UINT16(_data);
if (frameNum > numFrames)
frameNum = numFrames;
if (frameNum > 0)
--frameNum;
int offset = READ_LE_UINT32(_data + 2 + frameNum * 4);
byte *frameData = _data + offset;
GfxSurface result = surfaceFromRes(frameData);
if (_flipHoriz) flip(result);
return result;
}
int Visage::getFrameCount() const {
return READ_LE_UINT16(_data);
}
void Visage::flip(GfxSurface &gfxSurface) {
Graphics::Surface s = gfxSurface.lockSurface();
for (int y = 0; y < s.h; ++y) {
// Flip the line
byte *lineP = (byte *)s.getBasePtr(0, y);
for (int x = 0; x < (s.w / 2); ++x)
SWAP(lineP[x], lineP[s.w - x - 1]);
}
gfxSurface.unlockSurface();
}
/*--------------------------------------------------------------------------*/
Player::Player(): SceneObject() {
_canWalk = false;
_enabled = false;
_uiEnabled = false;
_field8C = 0;
// Return to Ringworld specific fields
_characterIndex = R2_NONE;
for (int i = 0; i < MAX_CHARACTERS; ++i) {
_characterScene[i] = 0;
_characterStrip[i] = 0;
_characterFrame[i] = 0;
_oldCharacterScene[i] = 0;
}
}
void Player::postInit(SceneObjectList *OwnerList) {
SceneObject::postInit();
_canWalk = true;
_uiEnabled = true;
_percent = 100;
_field8C = 10;
if (g_vm->getGameID() != GType_Ringworld2)
{
_moveDiff.x = 4;
_moveDiff.y = 2;
}
else
{
_moveDiff.x = 3;
_moveDiff.y = 2;
_effect = 1;
_shade = 0;
setObjectWrapper(new SceneObjectWrapper());
setPosition(_characterPos[_characterIndex]);
setStrip(_characterStrip[_characterIndex]);
setFrame(_characterFrame[_characterIndex]);
_characterScene[_characterIndex] = GLOBALS._sceneManager._sceneNumber;
}
}
void Player::disableControl() {
_canWalk = false;
_uiEnabled = false;
g_globals->_events.setCursor(CURSOR_NONE);
_enabled = false;
if ((g_vm->getGameID() != GType_Ringworld) && T2_GLOBALS._uiElements._active)
T2_GLOBALS._uiElements.hide();
}
void Player::enableControl() {
CursorType cursor;
_canWalk = true;
_uiEnabled = true;
_enabled = true;
switch (g_vm->getGameID()) {
case GType_BlueForce:
case GType_Ringworld2:
cursor = g_globals->_events.getCursor();
g_globals->_events.setCursor(cursor);
if (T2_GLOBALS._uiElements._active)
T2_GLOBALS._uiElements.show();
break;
default:
// Ringworld
g_globals->_events.setCursor(CURSOR_WALK);
switch (g_globals->_events.getCursor()) {
case CURSOR_WALK:
case CURSOR_LOOK:
case CURSOR_USE:
case CURSOR_TALK:
g_globals->_events.setCursor(g_globals->_events.getCursor());
break;
default:
g_globals->_events.setCursor(CURSOR_WALK);
break;
}
break;
}
}
void Player::enableControl(CursorType cursor) {
enableControl();
R2_GLOBALS._events.setCursor(cursor);
}
void Player::process(Event &event) {
if ((g_vm->getGameID() != GType_Ringworld) && _action)
_action->process(event);
if (!event.handled && (event.eventType == EVENT_BUTTON_DOWN) &&
(g_globals->_events.getCursor() == CURSOR_WALK) && g_globals->_player._canWalk &&
(_position != event.mousePos) && g_globals->_sceneObjects->contains(this)) {
if ((g_vm->getGameID() != GType_Ringworld) && !BF_GLOBALS._player._enabled)
return;
PlayerMover *newMover = new PlayerMover();
Common::Point destPos(event.mousePos.x + g_globals->_sceneManager._scene->_sceneBounds.left,
event.mousePos.y + g_globals->_sceneManager._scene->_sceneBounds.top);
addMover(newMover, &destPos, NULL);
event.handled = true;
}
}
void Player::synchronize(Serializer &s) {
SceneObject::synchronize(s);
s.syncAsByte(_canWalk);
s.syncAsByte(_uiEnabled);
s.syncAsSint16LE(_field8C);
if (g_vm->getGameID() != GType_Ringworld)
s.syncAsByte(_enabled);
if (g_vm->getGameID() == GType_Ringworld2) {
s.syncAsSint16LE(_characterIndex);
for (int i = 0; i < MAX_CHARACTERS; ++i) {
s.syncAsSint16LE(_characterScene[i]);
s.syncAsSint16LE(_oldCharacterScene[i]);
s.syncAsSint16LE(_characterPos[i].x);
s.syncAsSint16LE(_characterPos[i].y);
s.syncAsSint16LE(_characterStrip[i]);
s.syncAsSint16LE(_characterFrame[i]);
}
}
}
/*--------------------------------------------------------------------------*/
Region::Region(int resNum, int rlbNum, ResourceType ctlType) {
_regionId = rlbNum;
byte *regionData = g_resourceManager->getResource(ctlType, resNum, rlbNum);
assert(regionData);
load(regionData);
DEALLOCATE(regionData);
}
Region::Region(int regionId, const byte *regionData) {
_regionId = regionId;
load(regionData);
}
void Region::load(const byte *regionData) {
// Set the region bounds
_bounds.top = READ_LE_UINT16(regionData + 6);
_bounds.left = READ_LE_UINT16(regionData + 8);
_bounds.bottom = READ_LE_UINT16(regionData + 10);
_bounds.right = READ_LE_UINT16(regionData + 12);
// Special handling for small size regions
_regionSize = READ_LE_UINT16(regionData);
if (_regionSize == 14)
// No line slices
return;
// Set up the line slices
for (int y = 0; y < (_regionSize == 22 ? 1 : _bounds.height()); ++y) {
int slicesCount = READ_LE_UINT16(regionData + 16 + y * 4);
int slicesOffset = READ_LE_UINT16(regionData + 14 + y * 4);
assert(slicesCount < 100);
LineSliceSet sliceSet;
sliceSet.load(slicesCount, regionData + 14 + slicesOffset);
_ySlices.push_back(sliceSet);
}
}
/**
* Returns true if the given region contains the specified point
* @param pt Specified position
*/
bool Region::contains(const Common::Point &pt) {
// First check if the point falls inside the overall bounding rectangle
if (!_bounds.contains(pt) || _ySlices.empty())
return false;
// Get the correct Y line to use
const LineSliceSet &line = getLineSlices(pt.y);
// Loop through the horizontal slice list to see if the point falls in one
for (uint idx = 0; idx < line.items.size(); ++idx) {
if ((pt.x >= line.items[idx].xs) && (pt.x < line.items[idx].xe))
return true;
}
return false;
}
/**
* Returns true if the given region is empty
*/
bool Region::empty() const {
return !_bounds.isValidRect() && (_regionSize == 14);
}
void Region::clear() {
_bounds.set(0, 0, 0, 0);
_regionId = 0;
_regionSize = 0;
}
void Region::setRect(const Rect &r) {
setRect(r.left, r.top, r.right, r.bottom);
}
void Region::setRect(int xs, int ys, int xe, int ye) {
bool validRect = (ys < ye) && (xs < xe);
_ySlices.clear();
if (!validRect) {
_regionSize = 14;
_bounds.set(0, 0, 0, 0);
} else {
_regionSize = 22;
_bounds.set(xs, ys, xe, ye);
LineSliceSet sliceSet;
sliceSet.load2(1, xs, xe);
_ySlices.push_back(sliceSet);
}
}
const LineSliceSet &Region::getLineSlices(int yp) {
return _ySlices[(_regionSize == 22) ? 0 : yp - _bounds.top];
}
LineSliceSet Region::sectPoints(int yp, const LineSliceSet &sliceSet) {
if ((yp < _bounds.top) || (yp >= _bounds.bottom))
return LineSliceSet();
const LineSliceSet &ySet = getLineSlices(yp);
return mergeSlices(sliceSet, ySet);
}
LineSliceSet Region::mergeSlices(const LineSliceSet &set1, const LineSliceSet &set2) {
LineSliceSet result;
uint set1Index = 0, set2Index = 0;
while ((set1Index < set1.items.size()) && (set2Index < set2.items.size())) {
if (set1.items[set1Index].xe <= set2.items[set2Index].xs) {
++set1Index;
} else if (set2.items[set2Index].xe <= set1.items[set1Index].xs) {
++set2Index;
} else {
bool set1Flag = set1.items[set1Index].xs >= set2.items[set2Index].xs;
const LineSlice &slice = set1Flag ? set1.items[set1Index] : set2.items[set2Index];
result.add(slice.xs, MIN(set1.items[set1Index].xe, set2.items[set2Index].xe));
if (set1Flag)
++set1Index;
else
++set2Index;
}
}
return result;
}
/**
* Copies the background covered by the given region to the screen surface
*/
void Region::draw() {
Rect &sceneBounds = g_globals->_sceneManager._scene->_sceneBounds;
for (int yp = sceneBounds.top; yp < sceneBounds.bottom; ++yp) {
// Generate a line slice set
LineSliceSet tempSet;
tempSet.add(sceneBounds.left, sceneBounds.right);
LineSliceSet newSet = sectPoints(yp, tempSet);
// Loop through the calculated slices
for (uint idx = 0; idx < newSet.items.size(); ++idx) {
Rect rect1(newSet.items[idx].xs, yp, newSet.items[idx].xe, yp + 1);
rect1.left &= ~3;
rect1.right = (rect1.right + 3) & ~3;
Rect rect2 = rect1;
rect1.translate(-g_globals->_sceneOffset.x, -g_globals->_sceneOffset.y);
rect2.translate(-sceneBounds.left, -sceneBounds.top);
g_globals->gfxManager().getSurface().copyFrom(g_globals->_sceneManager._scene->_backSurface,
rect1, rect2);
}
}
}
void Region::uniteLine(int yp, LineSliceSet &sliceSet) {
// First expand the bounds as necessary to fit in the row
if (_ySlices.empty()) {
_bounds = Rect(sliceSet.items[0].xs, yp, sliceSet.items[sliceSet.items.size() - 1].xe, yp + 1);
_ySlices.push_back(LineSliceSet());
}
while (yp < _bounds.top) {
_ySlices.insert_at(0, LineSliceSet());
--_bounds.top;
}
while (yp >= _bounds.bottom) {
_ySlices.push_back(LineSliceSet());
++_bounds.bottom;
}
// Merge the existing line set into the line
LineSliceSet &destSet = _ySlices[yp - _bounds.top];
for (uint srcIndex = 0; srcIndex < sliceSet.items.size(); ++srcIndex) {
LineSlice &srcSlice = sliceSet.items[srcIndex];
// Check if overlaps existing slices
uint destIndex = 0;
while (destIndex < destSet.items.size()) {
LineSlice &destSlice = destSet.items[destIndex];
if (((srcSlice.xs >= destSlice.xs) && (srcSlice.xs <= destSlice.xe)) ||
((srcSlice.xe >= destSlice.xs) && (srcSlice.xe <= destSlice.xe)) ||
((srcSlice.xs < destSlice.xs) && (srcSlice.xe > destSlice.xe))) {
// Intersecting, so merge them
destSlice.xs = MIN(srcSlice.xs, destSlice.xs);
destSlice.xe = MAX(srcSlice.xe, destSlice.xe);
break;
}
++destIndex;
}
if (destIndex == destSet.items.size()) {
// No intersecting region found, so add it to the list
destSet.items.push_back(srcSlice);
}
}
// Check whether to expand the left/bounds bounds
if (destSet.items[0].xs < _bounds.left)
_bounds.left = destSet.items[0].xs;
if (destSet.items[destSet.items.size() - 1].xe > _bounds.right)
_bounds.right = destSet.items[destSet.items.size() - 1].xe;
}
void Region::uniteRect(const Rect &rect) {
for (int yp = rect.top; yp < rect.bottom; ++yp) {
LineSliceSet sliceSet;
sliceSet.add(rect.left, rect.right);
uniteLine(yp, sliceSet);
}
}
/*--------------------------------------------------------------------------*/
void SceneRegions::load(int sceneNum) {
clear();
bool altRegions = g_vm->getFeatures() & GF_ALT_REGIONS;
byte *regionData = g_resourceManager->getResource(RES_CONTROL, sceneNum, altRegions ? 1 : 9999, true);
if (regionData) {
int regionCount = READ_LE_UINT16(regionData);
for (int regionCtr = 0; regionCtr < regionCount; ++regionCtr) {
int regionId = READ_LE_UINT16(regionData + regionCtr * 6 + 2);
if (altRegions) {
// Load data from within this resource
uint32 dataOffset = READ_LE_UINT32(regionData + regionCtr * 6 + 4);
push_back(Region(regionId, regionData + dataOffset));
} else {
// Load region from a separate resource
push_back(Region(sceneNum, regionId));
}
}
DEALLOCATE(regionData);
}
}
int SceneRegions::indexOf(const Common::Point &pt) {
for (SceneRegions::iterator i = begin(); i != end(); ++i) {
if ((*i).contains(pt))
return (*i)._regionId;
}
return 0;
}
/*--------------------------------------------------------------------------*/
void SceneItemList::addItems(SceneItem *first, ...) {
va_list va;
va_start(va, first);
SceneItem *p = first;
while (p) {
push_back(p);
p = va_arg(va, SceneItem *);
}
}
/*--------------------------------------------------------------------------*/
RegionSupportRec WalkRegion::_processList[PROCESS_LIST_SIZE];
void RegionSupportRec::process() {
if (_xDiff < _yDiff) {
_halfDiff += _xDiff;
if (_halfDiff > _yDiff) {
_halfDiff -= _yDiff;
_xp += _xDirection;
}
} else {
do {
_xp += _xDirection;
_halfDiff += _yDiff;
} while (_halfDiff <= _xDiff);
_halfDiff -= _xDiff;
}
--_yDiff2;
}
/*--------------------------------------------------------------------------*/
void WalkRegion::loadRegion(byte *dataP, int size) {
// First clear the region
clear();
// Decode the data for the region
int dataCount, regionHeight;
loadProcessList(dataP, size, dataCount, regionHeight);
int processIndex = 0, idx2 = 0, count;
for (int yp = _processList[0]._yp; yp < regionHeight; ++yp) {
process3(yp, dataCount, processIndex, idx2);
process4(yp, processIndex, idx2, count);
loadRecords(yp, count, processIndex);
}
}
void WalkRegion::loadProcessList(byte *dataP, int dataSize, int &dataIndex, int &regionHeight) {
dataIndex = 0;
int x1 = READ_LE_UINT16(dataP + (dataSize - 1) * 4);
int y1 = READ_LE_UINT16(dataP + (dataSize - 1) * 4 + 2);
regionHeight = y1;
for (int idx = 0; idx < dataSize; ++idx) {
int xp = READ_LE_UINT16(dataP + idx * 4);
int yp = READ_LE_UINT16(dataP + idx * 4 + 2);
if (yp != y1) {
/*
* Commented out: v doesn't seem to be used
int v;
if (idx == (dataSize - 1))
v = READ_LE_UINT16(dataP + 2);
else
v = process1(idx, dataP, dataSize);
*/
process2(dataIndex, x1, y1, xp, yp);
++dataIndex;
}
// Keep regionHeight as the maximum of any y
if (yp > regionHeight)
regionHeight = yp;
x1 = xp;
y1 = yp;
}
}
int WalkRegion::process1(int idx, byte *dataP, int dataSize) {
int idx2 = idx + 1;
if (idx2 == dataSize)
idx2 = 0;
while (READ_LE_UINT16(dataP + idx2 * 4 + 2) == READ_LE_UINT16(dataP + idx * 4 + 2)) {
if (idx2 == (dataSize - 1))
idx2 = 0;
else
++idx2;
}
return READ_LE_UINT16(dataP + idx2 * 4 + 2);
}
void WalkRegion::process2(int dataIndex, int x1, int y1, int x2, int y2) {
int xDiff = ABS(x2 - x1);
int yDiff = ABS(y2 - y1);
int halfDiff = MAX(xDiff, yDiff) / 2;
int yMax = MIN(y1, y2);
while (dataIndex && (_processList[dataIndex - 1]._yp > yMax)) {
_processList[dataIndex] = _processList[dataIndex - 1];
--dataIndex;
}
_processList[dataIndex]._yp = yMax;
_processList[dataIndex]._xp = (y1 >= y2) ? x2 : x1;
_processList[dataIndex]._xDiff = xDiff;
_processList[dataIndex]._yDiff = yDiff;
_processList[dataIndex]._halfDiff = halfDiff;
int xTemp = (y1 >= y2) ? x1 - x2 : x2 - x1;
_processList[dataIndex]._xDirection = (xTemp == 0) ? 0 : ((xTemp < 0) ? -1 : 1);
_processList[dataIndex]._yDiff2 = yDiff;
}
void WalkRegion::process3(int yp, int dataCount, int &idx1, int &idx2) {
while ((idx2 < (dataCount - 1)) && (_processList[idx2 + 1]._yp <= yp))
++idx2;
while (!_processList[idx1]._yDiff2)
++idx1;
}
void WalkRegion::process4(int yp, int idx1, int idx2, int &count) {
count = 0;
for (int idx = idx1; idx <= idx2; ++idx) {
if (_processList[idx]._yDiff2 > 0)
++count;
process5(idx, idx1);
}
}
void WalkRegion::process5(int idx1, int idx2) {
while ((idx1 > idx2) && (_processList[idx1 - 1]._xp > _processList[idx1]._xp)) {
SWAP(_processList[idx1], _processList[idx1 - 1]);
--idx1;
}
}
void WalkRegion::loadRecords(int yp, int size, int processIndex) {
LineSliceSet sliceSet;
int sliceCount = size / 2;
for (int idx = 0; idx < sliceCount; ++idx, ++processIndex) {
while (!_processList[processIndex]._yDiff2)
++processIndex;
int sliceXs = _processList[processIndex]._xp;
_processList[processIndex].process();
do {
++processIndex;
} while (!_processList[processIndex]._yDiff2);
int sliceXe = _processList[processIndex]._xp;
_processList[processIndex].process();
sliceSet.items.push_back(LineSlice(sliceXs, sliceXe));
}
uniteLine(yp, sliceSet);
}
/*--------------------------------------------------------------------------*/
void WRField18::load(byte *data) {
_pt1.x = READ_LE_UINT16(data);
_pt1.y = READ_LE_UINT16(data + 2);
_pt2.x = READ_LE_UINT16(data + 4);
_pt2.y = READ_LE_UINT16(data + 6);
_v = READ_LE_UINT16(data + 8);
}
/*--------------------------------------------------------------------------*/
void WalkRegions::clear() {
_regionList.clear();
_field18.clear();
_idxList.clear();
_idxList2.clear();
_disabledRegions.clear();
}
void WalkRegions::load(int sceneNum) {
clear();
_resNum = sceneNum;
if (g_vm->getFeatures() & GF_ALT_REGIONS) {
loadRevised();
} else {
loadOriginal();
}
}
/**
* This version handles loading walk regions for Ringworld floppy version and Demo #1
*/
void WalkRegions::loadOriginal() {
byte *regionData = g_resourceManager->getResource(RES_WALKRGNS, _resNum, 1, true);
if (!regionData) {
// No data, so return
_resNum = -1;
return;
}
byte *dataP;
int dataSize;
// Load the field 18 list
dataP = g_resourceManager->getResource(RES_WALKRGNS, _resNum, 2);
dataSize = g_vm->_memoryManager.getSize(dataP);
assert(dataSize % 10 == 0);
byte *p = dataP;
for (int idx = 0; idx < (dataSize / 10); ++idx, p += 10) {
WRField18 rec;
rec.load(p);
_field18.push_back(rec);
}
DEALLOCATE(dataP);
// Load the idx list
dataP = g_resourceManager->getResource(RES_WALKRGNS, _resNum, 3);
dataSize = g_vm->_memoryManager.getSize(dataP);
assert(dataSize % 2 == 0);
p = dataP;
for (int idx = 0; idx < (dataSize / 2); ++idx, p += 2)
_idxList.push_back(READ_LE_UINT16(p));
DEALLOCATE(dataP);
// Load the secondary idx list
dataP = g_resourceManager->getResource(RES_WALKRGNS, _resNum, 4);
dataSize = g_vm->_memoryManager.getSize(dataP);
assert(dataSize % 2 == 0);
p = dataP;
for (int idx = 0; idx < (dataSize / 2); ++idx, p += 2)
_idxList2.push_back(READ_LE_UINT16(p));
DEALLOCATE(dataP);
// Handle the loading of the actual regions themselves
dataP = g_resourceManager->getResource(RES_WALKRGNS, _resNum, 5);
byte *pWalkRegion = regionData + 16;
byte *srcP = dataP;
for (; (int16)READ_LE_UINT16(pWalkRegion) != -20000; pWalkRegion += 16) {
WalkRegion wr;
// Set the Walk region specific fields
wr._pt.x = (int16)READ_LE_UINT16(pWalkRegion);
wr._pt.y = (int16)READ_LE_UINT16(pWalkRegion + 2);
wr._idxListIndex = READ_LE_UINT32(pWalkRegion + 4);
wr._idxList2Index = READ_LE_UINT32(pWalkRegion + 8);
// Read in the region data
int size = READ_LE_UINT16(srcP);
srcP += 2;
wr.loadRegion(srcP, size);
srcP += size * 4;
_regionList.push_back(wr);
}
DEALLOCATE(dataP);
DEALLOCATE(regionData);
}
/**
* This version handles loading walk regions for Ringworld CD version and Demo #2. Given it's the newer
* version, it may also be used by future game titles
*/
void WalkRegions::loadRevised() {
byte *regionData = g_resourceManager->getResource(RES_WALKRGNS, _resNum, 2, true);
if (!regionData) {
// No data, so return
_resNum = -1;
return;
}
byte *data1P = regionData + READ_LE_UINT32(regionData);
byte *data2P = regionData + READ_LE_UINT32(regionData + 4);
byte *data3P = regionData + READ_LE_UINT32(regionData + 8);
byte *data4P = regionData + READ_LE_UINT32(regionData + 12);
byte *regionOffset = regionData + 16;
int dataSize;
// Load the field 18 list
dataSize = READ_LE_UINT32(regionData + 8) - READ_LE_UINT32(regionData + 4);
assert(dataSize % 10 == 0);
byte *p = data2P;
for (int idx = 0; idx < (dataSize / 10); ++idx, p += 10) {
WRField18 rec;
rec.load(p);
_field18.push_back(rec);
}
// Load the idx list
dataSize = READ_LE_UINT32(regionData + 12) - READ_LE_UINT32(regionData + 8);
assert(dataSize % 2 == 0);
p = data3P;
for (int idx = 0; idx < (dataSize / 2); ++idx, p += 2)
_idxList.push_back(READ_LE_UINT16(p));
// Load the secondary idx list
dataSize = READ_LE_UINT32(regionData + 16) - READ_LE_UINT32(regionData + 12);
assert(dataSize % 2 == 0);
p = data4P;
for (int idx = 0; idx < (dataSize / 2); ++idx, p += 2)
_idxList2.push_back(READ_LE_UINT16(p));
// Handle the loading of the actual regions themselves
byte *pWalkRegion = data1P + 16;
for (; (int16)READ_LE_UINT16(pWalkRegion) != -20000; pWalkRegion += 16, regionOffset += 4) {
WalkRegion wr;
byte *srcP = regionData + READ_LE_UINT32(regionOffset);
// Set the Walk region specific fields
wr._pt.x = (int16)READ_LE_UINT16(pWalkRegion);
wr._pt.y = (int16)READ_LE_UINT16(pWalkRegion + 2);
wr._idxListIndex = READ_LE_UINT32(pWalkRegion + 4);
wr._idxList2Index = READ_LE_UINT32(pWalkRegion + 8);
// Read in the region data
wr._regionId = 0;
wr.load(srcP);
_regionList.push_back(wr);
}
DEALLOCATE(regionData);
}
/**
* Returns the index of the walk region that contains the given point
* @param pt Point to locate
* @param indexList List of region indexes that should be ignored
*/
int WalkRegions::indexOf(const Common::Point &pt, const Common::List<int> *indexList) {
for (uint idx = 0; idx < _regionList.size(); ++idx) {
if ((!indexList || !contains(*indexList, int(idx + 1))) && _regionList[idx].contains(pt))
return idx + 1;
}
return -1;
}
void WalkRegions::synchronize(Serializer &s) {
// Synchronise the list of disabled regions as a list of values terminated with a '-1'
int regionId = 0;
if (s.isLoading()) {
_disabledRegions.clear();
s.syncAsSint16LE(regionId);
while (regionId != -1) {
_disabledRegions.push_back(regionId);
s.syncAsSint16LE(regionId);
}
} else {
Common::List<int>::iterator i;
for (i = _disabledRegions.begin(); i != _disabledRegions.end(); ++i) {
regionId = *i;
s.syncAsSint16LE(regionId);
}
regionId = -1;
s.syncAsSint16LE(regionId);
}
}
void WalkRegions::disableRegion(int regionId) {
if (!contains(_disabledRegions, regionId))
_disabledRegions.push_back(regionId);
}
void WalkRegions::enableRegion(int regionId) {
_disabledRegions.remove(regionId);
}
/*--------------------------------------------------------------------------*/
void ScenePriorities::load(int resNum) {
_resNum = resNum;
clear();
bool altMode = (g_vm->getFeatures() & GF_ALT_REGIONS) != 0;
byte *regionData = g_resourceManager->getResource(RES_PRIORITY, resNum, altMode ? 1 : 9999, true);
if (!regionData)
return;
int regionCount = READ_LE_UINT16(regionData);
for (int regionCtr = 0; regionCtr < regionCount; ++regionCtr) {
if (altMode) {
// Region data is embedded within the resource
uint16 regionId = READ_LE_UINT16(regionData + regionCtr * 6 + 2);
uint32 dataOffset = READ_LE_UINT32(regionData + regionCtr * 6 + 4);
push_back(Region(regionId, regionData + dataOffset));
} else {
// The data contains the index of another resource containing the region data
int rlbNum = READ_LE_UINT16(regionData + regionCtr * 6 + 2);
push_back(Region(resNum, rlbNum, RES_PRIORITY));
}
}
DEALLOCATE(regionData);
}
Region *ScenePriorities::find(int priority) {
// If no priority regions are loaded, then return the placeholder region
if (empty()) {
if (g_vm->getGameID() == GType_Ringworld)
return &_defaultPriorityRegion;
return NULL;
}
if (priority > 255)
priority = 255;
// Loop through the regions to find the closest for the given priority level
int minRegionId = 9998;
Region *region = NULL;
for (ScenePriorities::iterator i = begin(); i != end(); ++i) {
Region *r = &(*i);
int regionId = r->_regionId;
if ((regionId > priority) && (regionId < minRegionId)) {
minRegionId = regionId;
region = r;
}
}
assert(region);
return region;
}
/*--------------------------------------------------------------------------*/
void FloatSet::add(double v1, double v2, double v3) {
_float1 += v1;
_float2 += v2;
_float3 += v3;
}
void FloatSet::proc1(double v) {
double diff = (cos(v) * _float1) - (sin(v) * _float2);
_float2 = (sin(v) * _float1) + (cos(v) * _float2);
_float1 = diff;
}
double FloatSet::sqrt(FloatSet &floatSet) {
double f1Diff = _float1 - floatSet._float1;
double f2Diff = _float2 - floatSet._float2;
double f3Diff = _float3 - floatSet._float3;
return ::sqrt(f1Diff * f1Diff + f2Diff * f2Diff + f3Diff * f3Diff);
}
/*--------------------------------------------------------------------------*/
GameHandler::GameHandler() : EventHandler() {
_nextWaitCtr = 1;
_waitCtr.setCtr(1);
_field14 = 10;
}
GameHandler::~GameHandler() {
if (g_globals)
g_globals->_game->removeHandler(this);
}
void GameHandler::execute() {
if (_waitCtr.decCtr() == 0) {
_waitCtr.setCtr(_nextWaitCtr);
dispatch();
}
}
void GameHandler::synchronize(Serializer &s) {
if (s.getVersion() >= 2)
EventHandler::synchronize(s);
_lockCtr.synchronize(s);
_waitCtr.synchronize(s);
s.syncAsSint16LE(_nextWaitCtr);
s.syncAsSint16LE(_field14);
}
/*--------------------------------------------------------------------------*/
SceneHandler::SceneHandler() {
_saveGameSlot = -1;
_loadGameSlot = -1;
_prevFrameNumber = 0;
}
void SceneHandler::registerHandler() {
postInit();
g_globals->_game->addHandler(this);
}
uint32 SceneHandler::getFrameDifference() {
return GLOBALS._events.getFrameNumber() - _prevFrameNumber;
}
void SceneHandler::postInit(SceneObjectList *OwnerList) {
_delayTicks = 2;
g_globals->_scenePalette.loadPalette(0);
g_globals->_scenePalette.refresh();
g_globals->_soundManager.postInit();
g_globals->_soundManager.buildDriverList(true);
g_globals->_soundManager.installConfigDrivers();
g_globals->_game->start();
}
void SceneHandler::process(Event &event) {
// Main keypress handler
if (!event.handled) {
g_globals->_game->processEvent(event);
if (event.eventType == EVENT_KEYPRESS)
g_globals->_events.setCursorFromFlag();
}
// Check for displaying right-click dialog
if ((event.eventType == EVENT_BUTTON_DOWN) && (event.btnState == BTNSHIFT_RIGHT) &&
g_globals->_player._uiEnabled) {
g_globals->_game->rightClick();
event.handled = true;
return;
}
// If there is an active scene, pass the event to it
if (g_globals->_sceneManager._scene)
g_globals->_sceneManager._scene->process(event);
if (!event.handled) {
// Separate check for F5 - Save key
if ((event.eventType == EVENT_KEYPRESS) && (event.kbd.keycode == Common::KEYCODE_F5)) {
// F5 - Save
g_globals->_game->saveGame();
event.handled = true;
g_globals->_events.setCursorFromFlag();
}
// Check for debugger
if ((event.eventType == EVENT_KEYPRESS) && (event.kbd.keycode == Common::KEYCODE_d) &&
(event.kbd.flags & Common::KBD_CTRL)) {
// Attach to the debugger
g_vm->_debugger->attach();
g_vm->_debugger->onFrame();
}
if ((event.eventType == EVENT_KEYPRESS) && g_globals->_player._enabled && g_globals->_player._canWalk) {
// Keyboard shortcuts for different actions
switch (event.kbd.keycode) {
case Common::KEYCODE_w:
g_globals->_events.setCursor(CURSOR_WALK);
event.handled = true;
break;
case Common::KEYCODE_l:
g_globals->_events.setCursor(CURSOR_LOOK);
event.handled = true;
break;
case Common::KEYCODE_u:
g_globals->_events.setCursor(CURSOR_USE);
event.handled = true;
break;
case Common::KEYCODE_t:
g_globals->_events.setCursor(CURSOR_TALK);
event.handled = true;
break;
default:
break;
}
}
// Mouse press handling
bool enabled = (g_vm->getGameID() != GType_Ringworld) ? g_globals->_player._enabled :
g_globals->_player._uiEnabled;
if (enabled && (event.eventType == EVENT_BUTTON_DOWN) && !g_globals->_sceneItems.empty()) {
// Check if the mouse is on the player
if (g_globals->_player.contains(event.mousePos)) {
playerAction(event);
if (event.handled)
return;
}
// Scan the item list to find one the mouse is within
SynchronizedList<SceneItem *>::iterator i;
for (i = g_globals->_sceneItems.begin(); i != g_globals->_sceneItems.end(); ++i) {
if ((*i)->contains(event.mousePos)) {
// Pass the action to the item
bool handled = (*i)->startAction(g_globals->_events.getCursor(), event);
if (!handled)
// Item wasn't handled, keep scanning
continue;
if ((g_vm->getGameID() == GType_Ringworld) || (g_globals->_events.getCursor() == CURSOR_9999)) {
event.handled = g_globals->_events.getCursor() != CURSOR_WALK;
if (g_globals->_player._uiEnabled && g_globals->_player._canWalk &&
(g_globals->_events.getCursor() != CURSOR_LOOK)) {
g_globals->_events.setCursor(CURSOR_WALK);
} else if (g_globals->_player._canWalk && (g_globals->_events.getCursor() != CURSOR_LOOK)) {
g_globals->_events.setCursor(CURSOR_WALK);
} else if (g_globals->_player._uiEnabled && (g_globals->_events.getCursor() != CURSOR_LOOK)) {
g_globals->_events.setCursor(CURSOR_USE);
}
if (g_vm->getGameID() != GType_Ringworld)
event.handled = true;
} else if (g_vm->getGameID() != GType_Ringworld) {
event.handled = true;
}
break;
}
}
// Handle any fallback text display
processEnd(event);
}
// Handle player processing
g_globals->_player.process(event);
}
}
void SceneHandler::dispatch() {
// Handle game saving and loading
if (_saveGameSlot != -1) {
int saveSlot = _saveGameSlot;
_saveGameSlot = -1;
Common::Error err = g_saver->save(saveSlot, _saveName);
// FIXME: Make use of the description string in err to enhance
// the error reported to the user.
if (err.getCode() != Common::kNoError)
GUIErrorMessage(SAVE_ERROR_MSG);
}
if (_loadGameSlot != -1) {
int loadSlot = _loadGameSlot;
_loadGameSlot = -1;
g_saver->restore(loadSlot);
g_globals->_events.setCursorFromFlag();
}
g_globals->_soundManager.dispatch();
g_globals->_scenePalette.signalListeners();
// Dispatch to any objects registered in the scene
g_globals->_sceneObjects->recurse(SceneHandler::dispatchObject);
// If a scene is active, then dispatch to it
if (g_globals->_sceneManager._scene)
g_globals->_sceneManager._scene->dispatch();
// Not actually used
//_eventListeners.forEach(SceneHandler::handleListener);
// Handle pending events
Event event;
if (g_globals->_events.getEvent(event)) {
// Process pending events
do {
process(event);
} while (g_globals->_events.getEvent(event));
} else if (g_vm->getGameID() != GType_Ringworld) {
// For Blue Force, 'none' events need to be generated in the absence of any
event.eventType = EVENT_NONE;
event.mousePos = g_globals->_events._mousePos;
process(event);
}
// Handle drawing the contents of the scene
if (g_globals->_sceneManager._scene)
g_globals->_sceneObjects->draw();
// Check to see if any scene change is required
g_globals->_sceneManager.checkScene();
// Signal the ScummVM debugger
g_vm->_debugger->onFrame();
// Delay between frames
g_globals->_events.delay(_delayTicks);
}
void SceneHandler::dispatchObject(EventHandler *obj) {
obj->dispatch();
}
void SceneHandler::saveListener(Serializer &ser) {
}
} // End of namespace TsAGE
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