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vcmi/client/mapView/MapViewController.cpp
2023-03-05 18:02:59 +02:00

479 lines
13 KiB
C++

/*
* MapViewController.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "MapViewController.h"
#include "MapRendererContext.h"
#include "MapRendererContextState.h"
#include "MapViewCache.h"
#include "MapViewModel.h"
#include "../CPlayerInterface.h"
#include "../adventureMap/CAdvMapInt.h"
#include "../../lib/CConfigHandler.h"
#include "../../lib/CPathfinder.h"
#include "../../lib/mapObjects/CGHeroInstance.h"
#include "../../lib/mapObjects/MiscObjects.h"
#include "../../lib/spells/ViewSpellInt.h"
void MapViewController::setViewCenter(const int3 & position)
{
assert(context->isInMap(position));
setViewCenter(Point(position) * model->getSingleTileSize() + model->getSingleTileSize() / 2, position.z);
}
void MapViewController::setViewCenter(const Point & position, int level)
{
Point upperLimit = Point(context->getMapSize()) * model->getSingleTileSize() + model->getSingleTileSize();
Point lowerLimit = Point(0, 0);
if(worldViewContext)
{
Point area = model->getPixelsVisibleDimensions();
Point mapCenter = upperLimit / 2;
Point desiredLowerLimit = lowerLimit + area / 2;
Point desiredUpperLimit = upperLimit - area / 2;
Point actualLowerLimit{
std::min(desiredLowerLimit.x, mapCenter.x),
std::min(desiredLowerLimit.y, mapCenter.y)
};
Point actualUpperLimit{
std::max(desiredUpperLimit.x, mapCenter.x),
std::max(desiredUpperLimit.y, mapCenter.y)
};
upperLimit = actualUpperLimit;
lowerLimit = actualLowerLimit;
}
Point betterPosition = {vstd::clamp(position.x, lowerLimit.x, upperLimit.x), vstd::clamp(position.y, lowerLimit.y, upperLimit.y)};
model->setViewCenter(betterPosition);
model->setLevel(vstd::clamp(level, 0, context->getMapSize().z));
if(adventureInt) // may be called before adventureInt is initialized
adventureInt->onMapViewMoved(model->getTilesTotalRect(), model->getLevel());
}
void MapViewController::setTileSize(const Point & tileSize)
{
model->setTileSize(tileSize);
// force update of view center since changing tile size may invalidated it
setViewCenter(model->getMapViewCenter(), model->getLevel());
}
MapViewController::MapViewController(std::shared_ptr<MapViewModel> model, std::shared_ptr<MapViewCache> view)
: state(new MapRendererContextState())
, model(std::move(model))
, view(view)
{
adventureContext = std::make_shared<MapRendererAdventureContext>(*state);
context = adventureContext;
}
std::shared_ptr<IMapRendererContext> MapViewController::getContext() const
{
return context;
}
void MapViewController::update(uint32_t timeDelta)
{
// confirmed to match H3 for
// - hero embarking on boat (500 ms)
// - hero disembarking from boat (500 ms)
// - TODO: picking up resources
// - TODO: killing mosters
// - teleporting ( 250 ms)
static const double fadeOutDuration = 500;
static const double fadeInDuration = 500;
static const double heroTeleportDuration = 250;
if(movementContext)
{
const auto * object = context->getObject(movementContext->target);
const auto * hero = dynamic_cast<const CGHeroInstance *>(object);
const auto * boat = dynamic_cast<const CGBoat *>(object);
assert(boat || hero);
if(!hero)
hero = boat->hero;
double heroMoveTime = LOCPLINT->makingTurn ?
settings["adventure"]["heroMoveTime"].Float() :
settings["adventure"]["enemyMoveTime"].Float();
movementContext->progress += timeDelta / heroMoveTime;
Point positionFrom = Point(hero->convertToVisitablePos(movementContext->tileFrom)) * model->getSingleTileSize() + model->getSingleTileSize() / 2;
Point positionDest = Point(hero->convertToVisitablePos(movementContext->tileDest)) * model->getSingleTileSize() + model->getSingleTileSize() / 2;
Point positionCurr = vstd::lerp(positionFrom, positionDest, movementContext->progress);
if(movementContext->progress >= 1.0)
{
setViewCenter(hero->getSightCenter());
removeObject(context->getObject(movementContext->target));
addObject(context->getObject(movementContext->target));
activateAdventureContext(movementContext->animationTime);
}
else
{
setViewCenter(positionCurr, movementContext->tileDest.z);
}
}
if(teleportContext)
{
teleportContext->progress += timeDelta / heroTeleportDuration;
if(teleportContext->progress >= 1.0)
{
activateAdventureContext(teleportContext->animationTime);
}
}
if(fadingOutContext)
{
fadingOutContext->progress -= timeDelta / fadeOutDuration;
if(fadingOutContext->progress <= 0.0)
{
removeObject(context->getObject(fadingOutContext->target));
activateAdventureContext(fadingOutContext->animationTime);
}
}
if(fadingInContext)
{
fadingInContext->progress += timeDelta / fadeInDuration;
if(fadingInContext->progress >= 1.0)
{
activateAdventureContext(fadingInContext->animationTime);
}
}
if(adventureContext)
{
adventureContext->animationTime += timeDelta;
adventureContext->settingsSessionSpectate = settings["session"]["spectate"].Bool();
adventureContext->settingsAdventureObjectAnimation = settings["adventure"]["objectAnimation"].Bool();
adventureContext->settingsAdventureTerrainAnimation = settings["adventure"]["terrainAnimation"].Bool();
adventureContext->settingShowGrid = settings["gameTweaks"]["showGrid"].Bool();
adventureContext->settingShowVisitable = settings["session"]["showVisitable"].Bool();
adventureContext->settingShowBlockable = settings["session"]["showBlockable"].Bool();
}
}
bool MapViewController::isEventVisible(const CGObjectInstance * obj)
{
if(adventureContext == nullptr)
return false;
if(!LOCPLINT->makingTurn && settings["adventure"]["enemyMoveTime"].Float() < 0)
return false; // enemy move speed set to "hidden/none"
if(obj->isVisitable())
return context->isVisible(obj->visitablePos());
else
return context->isVisible(obj->pos);
}
bool MapViewController::isEventVisible(const CGHeroInstance * obj, const int3 & from, const int3 & dest)
{
if(adventureContext == nullptr)
return false;
if(!LOCPLINT->makingTurn && settings["adventure"]["enemyMoveTime"].Float() < 0)
return false; // enemy move speed set to "hidden/none"
if(context->isVisible(obj->convertToVisitablePos(from)))
return true;
if(context->isVisible(obj->convertToVisitablePos(dest)))
return true;
return false;
}
void MapViewController::fadeOutObject(const CGObjectInstance * obj)
{
fadingOutContext = std::make_shared<MapRendererAdventureFadingContext>(*state);
fadingOutContext->animationTime = adventureContext->animationTime;
adventureContext = fadingOutContext;
context = fadingOutContext;
fadingOutContext->target = obj->id;
fadingOutContext->progress = 1.0;
}
void MapViewController::fadeInObject(const CGObjectInstance * obj)
{
fadingInContext = std::make_shared<MapRendererAdventureFadingContext>(*state);
fadingInContext->animationTime = adventureContext->animationTime;
adventureContext = fadingInContext;
context = fadingInContext;
fadingInContext->target = obj->id;
fadingInContext->progress = 0.0;
}
void MapViewController::removeObject(const CGObjectInstance * obj)
{
view->invalidate(context, obj->id);
state->removeObject(obj);
}
void MapViewController::addObject(const CGObjectInstance * obj)
{
state->addObject(obj);
view->invalidate(context, obj->id);
}
void MapViewController::onBeforeHeroEmbark(const CGHeroInstance * obj, const int3 & from, const int3 & dest)
{
if(isEventVisible(obj, from, dest))
{
onObjectFadeOut(obj);
setViewCenter(obj->getSightCenter());
}
else
removeObject(obj);
}
void MapViewController::onAfterHeroEmbark(const CGHeroInstance * obj, const int3 & from, const int3 & dest)
{
if(isEventVisible(obj, from, dest))
setViewCenter(obj->getSightCenter());
}
void MapViewController::onBeforeHeroDisembark(const CGHeroInstance * obj, const int3 & from, const int3 & dest)
{
if(isEventVisible(obj, from, dest))
setViewCenter(obj->getSightCenter());
}
void MapViewController::onAfterHeroDisembark(const CGHeroInstance * obj, const int3 & from, const int3 & dest)
{
if(isEventVisible(obj, from, dest))
{
onObjectFadeIn(obj);
setViewCenter(obj->getSightCenter());
}
addObject(obj);
}
void MapViewController::onObjectFadeIn(const CGObjectInstance * obj)
{
assert(!hasOngoingAnimations());
if(isEventVisible(obj))
fadeInObject(obj);
addObject(obj);
}
void MapViewController::onObjectFadeOut(const CGObjectInstance * obj)
{
assert(!hasOngoingAnimations());
if(isEventVisible(obj))
fadeOutObject(obj);
else
removeObject(obj);
}
void MapViewController::onObjectInstantAdd(const CGObjectInstance * obj)
{
addObject(obj);
};
void MapViewController::onObjectInstantRemove(const CGObjectInstance * obj)
{
removeObject(obj);
};
void MapViewController::onBeforeHeroTeleported(const CGHeroInstance * obj, const int3 & from, const int3 & dest)
{
assert(!hasOngoingAnimations());
if(isEventVisible(obj, from, dest))
{
setViewCenter(obj->getSightCenter());
view->createTransitionSnapshot(context);
}
}
void MapViewController::onAfterHeroTeleported(const CGHeroInstance * obj, const int3 & from, const int3 & dest)
{
assert(!hasOngoingAnimations());
removeObject(obj);
addObject(obj);
if(isEventVisible(obj, from, dest))
{
teleportContext = std::make_shared<MapRendererAdventureTransitionContext>(*state);
teleportContext->animationTime = adventureContext->animationTime;
adventureContext = teleportContext;
context = teleportContext;
setViewCenter(obj->getSightCenter());
}
}
void MapViewController::onHeroMoved(const CGHeroInstance * obj, const int3 & from, const int3 & dest)
{
assert(!hasOngoingAnimations());
// revisiting via spacebar, no need to animate
if(from == dest)
return;
const CGObjectInstance * movingObject = obj;
if(obj->boat)
movingObject = obj->boat;
removeObject(movingObject);
if(!isEventVisible(obj, from, dest))
{
addObject(movingObject);
return;
}
double movementTime = LOCPLINT->playerID == obj->tempOwner ?
settings["adventure"]["heroMoveTime"].Float() :
settings["adventure"]["enemyMoveTime"].Float();
if(movementTime > 1)
{
movementContext = std::make_shared<MapRendererAdventureMovingContext>(*state);
movementContext->animationTime = adventureContext->animationTime;
adventureContext = movementContext;
context = movementContext;
state->addMovingObject(movingObject, from, dest);
movementContext->target = movingObject->id;
movementContext->tileFrom = from;
movementContext->tileDest = dest;
movementContext->progress = 0.0;
}
else // instant movement
{
addObject(movingObject);
setViewCenter(movingObject->visitablePos());
}
}
bool MapViewController::hasOngoingAnimations()
{
if(movementContext)
return true;
if(fadingOutContext)
return true;
if(fadingInContext)
return true;
if(teleportContext)
return true;
return false;
}
void MapViewController::activateAdventureContext(uint32_t animationTime)
{
resetContext();
adventureContext = std::make_shared<MapRendererAdventureContext>(*state);
adventureContext->animationTime = animationTime;
context = adventureContext;
}
void MapViewController::activateAdventureContext()
{
activateAdventureContext(0);
}
void MapViewController::activateWorldViewContext()
{
if(worldViewContext)
return;
resetContext();
worldViewContext = std::make_shared<MapRendererWorldViewContext>(*state);
context = worldViewContext;
}
void MapViewController::activateSpellViewContext()
{
if(spellViewContext)
return;
resetContext();
spellViewContext = std::make_shared<MapRendererSpellViewContext>(*state);
worldViewContext = spellViewContext;
context = spellViewContext;
}
void MapViewController::activatePuzzleMapContext(const int3 & grailPosition)
{
resetContext();
puzzleMapContext = std::make_shared<MapRendererPuzzleMapContext>(*state);
context = puzzleMapContext;
CGPathNode fakeNode;
fakeNode.coord = grailPosition;
puzzleMapContext->grailPos = std::make_unique<CGPath>();
// create two nodes since 1st one is normally not visible
puzzleMapContext->grailPos->nodes.push_back(fakeNode);
puzzleMapContext->grailPos->nodes.push_back(fakeNode);
}
void MapViewController::resetContext()
{
adventureContext.reset();
movementContext.reset();
fadingOutContext.reset();
fadingInContext.reset();
teleportContext.reset();
worldViewContext.reset();
spellViewContext.reset();
puzzleMapContext.reset();
}
void MapViewController::setTerrainVisibility(bool showAllTerrain)
{
assert(spellViewContext);
spellViewContext->showAllTerrain = showAllTerrain;
}
void MapViewController::setOverlayVisibility(const std::vector<ObjectPosInfo> & objectPositions)
{
assert(spellViewContext);
spellViewContext->additionalOverlayIcons = objectPositions;
}