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vcmi/client/mapRenderer/MapRendererContext.cpp
2023-03-05 17:48:02 +02:00

353 lines
9.8 KiB
C++

/*
* MapRendererContext.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 "MapRendererContext.h"
#include "mapHandler.h"
#include "../CGameInfo.h"
#include "../CPlayerInterface.h"
#include "../adventureMap/CAdvMapInt.h"
//#include "../gui/CGuiHandler.h"
//#include "../render/CAnimation.h"
//#include "../render/Canvas.h"
//#include "../render/IImage.h"
//#include "../renderSDL/SDL_Extensions.h"
//
#include "../../CCallback.h"
#include "../../lib/CConfigHandler.h"
#include "../../lib/mapObjects/CGHeroInstance.h"
#include "../../lib/mapping/CMap.h"
MapObjectsSorter::MapObjectsSorter(const IMapRendererContext & context)
: context(context)
{
}
bool MapObjectsSorter::operator()(const ObjectInstanceID & left, const ObjectInstanceID & right) const
{
return (*this)(context.getObject(left), context.getObject(right));
}
bool MapObjectsSorter::operator()(const CGObjectInstance * left, const CGObjectInstance * right) const
{
//FIXME: remove mh access
return CGI->mh->compareObjectBlitOrder(left, right);
}
int3 MapRendererContext::getMapSize() const
{
return LOCPLINT->cb->getMapSize();
}
bool MapRendererContext::isInMap(const int3 & coordinates) const
{
return LOCPLINT->cb->isInTheMap(coordinates);
}
const TerrainTile & MapRendererContext::getMapTile(const int3 & coordinates) const
{
return CGI->mh->getMap()->getTile(coordinates);
}
const CGObjectInstance * MapRendererContext::getObject(ObjectInstanceID objectID) const
{
return CGI->mh->getMap()->objects.at(objectID.getNum());
}
bool MapRendererContext::isVisible(const int3 & coordinates) const
{
if (showAllTerrain)
return LOCPLINT->cb->isInTheMap(coordinates);
return LOCPLINT->cb->isVisible(coordinates) || settings["session"]["spectate"].Bool();
}
const CGPath * MapRendererContext::currentPath() const
{
const auto * hero = adventureInt->curHero();
if(!hero)
return nullptr;
if(!LOCPLINT->paths.hasPath(hero))
return nullptr;
return &LOCPLINT->paths.getPath(hero);
}
size_t MapRendererContext::objectImageIndex(ObjectInstanceID objectID, size_t groupSize) const
{
assert(groupSize > 0);
if(groupSize == 0)
return 0;
// H3 timing for adventure map objects animation is 180 ms
// Terrain animations also use identical interval, however those are only present in HotA and/or HD Mod
size_t baseFrameTime = 180;
// hero movement animation always plays at ~50ms / frame
// in-game setting only affect movement across screen
if(movementAnimation && movementAnimation->target == objectID)
baseFrameTime = 50;
size_t frameCounter = animationTime / baseFrameTime;
size_t frameIndex = frameCounter % groupSize;
return frameIndex;
}
size_t MapRendererContext::terrainImageIndex(size_t groupSize) const
{
size_t baseFrameTime = 180;
size_t frameCounter = animationTime / baseFrameTime;
size_t frameIndex = frameCounter % groupSize;
return frameIndex;
}
//Point MapRendererContext::getTileSize() const
//{
// return Point(32, 32);
//}
bool MapRendererContext::showOverlay() const
{
return worldViewModeActive;
}
bool MapRendererContext::showGrid() const
{
return settings["gameTweaks"]["showGrid"].Bool();
}
bool MapRendererContext::showVisitable() const
{
return settings["session"]["showVisitable"].Bool();
}
bool MapRendererContext::showBlockable() const
{
return settings["session"]["showBlockable"].Bool();
}
MapRendererContext::MapRendererContext()
{
auto mapSize = getMapSize();
objects.resize(boost::extents[mapSize.z][mapSize.x][mapSize.y]);
for(const auto & obj : CGI->mh->getMap()->objects)
addObject(obj);
}
void MapRendererContext::addObject(const CGObjectInstance * obj)
{
if(!obj)
return;
for(int fx = 0; fx < obj->getWidth(); ++fx)
{
for(int fy = 0; fy < obj->getHeight(); ++fy)
{
int3 currTile(obj->pos.x - fx, obj->pos.y - fy, obj->pos.z);
if(isInMap(currTile) && obj->coveringAt(currTile.x, currTile.y))
{
auto & container = objects[currTile.z][currTile.x][currTile.y];
container.push_back(obj->id);
boost::range::sort(container, MapObjectsSorter(*this));
}
}
}
}
void MapRendererContext::addMovingObject(const CGObjectInstance * object, const int3 & tileFrom, const int3 & tileDest)
{
int xFrom = std::min(tileFrom.x, tileDest.x) - object->getWidth();
int xDest = std::max(tileFrom.x, tileDest.x);
int yFrom = std::min(tileFrom.y, tileDest.y) - object->getHeight();
int yDest = std::max(tileFrom.y, tileDest.y);
for(int x = xFrom; x <= xDest; ++x)
{
for(int y = yFrom; y <= yDest; ++y)
{
int3 currTile(x, y, object->pos.z);
if(isInMap(currTile))
{
auto & container = objects[currTile.z][currTile.x][currTile.y];
container.push_back(object->id);
boost::range::sort(container, MapObjectsSorter(*this));
}
}
}
}
void MapRendererContext::removeObject(const CGObjectInstance * object)
{
for(int z = 0; z < getMapSize().z; z++)
for(int x = 0; x < getMapSize().x; x++)
for(int y = 0; y < getMapSize().y; y++)
vstd::erase(objects[z][x][y], object->id);
}
const MapRendererContext::MapObjectsList & MapRendererContext::getObjects(const int3 & coordinates) const
{
assert(isInMap(coordinates));
return objects[coordinates.z][coordinates.x][coordinates.y];
}
size_t MapRendererContext::objectGroupIndex(ObjectInstanceID objectID) const
{
const CGObjectInstance * obj = getObject(objectID);
// TODO
static const std::vector<size_t> moveGroups = {99, 10, 5, 6, 7, 8, 9, 12, 11};
static const std::vector<size_t> idleGroups = {99, 13, 0, 1, 2, 3, 4, 15, 14};
if(obj->ID == Obj::HERO)
{
const auto * hero = dynamic_cast<const CGHeroInstance *>(obj);
if(movementAnimation && movementAnimation->target == objectID)
return moveGroups[hero->moveDir];
return idleGroups[hero->moveDir];
}
if(obj->ID == Obj::BOAT)
{
const auto * boat = dynamic_cast<const CGBoat *>(obj);
uint8_t direction = boat->hero ? boat->hero->moveDir : boat->direction;
if(movementAnimation && movementAnimation->target == objectID)
return moveGroups[direction];
return idleGroups[direction];
}
return 0;
}
Point MapRendererContext::objectImageOffset(ObjectInstanceID objectID, const int3 & coordinates) const
{
if(movementAnimation && movementAnimation->target == objectID)
{
int3 offsetTilesFrom = movementAnimation->tileFrom - coordinates;
int3 offsetTilesDest = movementAnimation->tileDest - coordinates;
Point offsetPixelsFrom = Point(offsetTilesFrom) * Point(32, 32);
Point offsetPixelsDest = Point(offsetTilesDest) * Point(32, 32);
Point result = vstd::lerp(offsetPixelsFrom, offsetPixelsDest, movementAnimation->progress);
return result;
}
const CGObjectInstance * object = getObject(objectID);
int3 offsetTiles(object->getPosition() - coordinates);
return Point(offsetTiles) * Point(32, 32);
}
double MapRendererContext::objectTransparency(ObjectInstanceID objectID, const int3 & coordinates) const
{
const CGObjectInstance * object = getObject(objectID);
if(object->ID == Obj::HERO)
{
const auto * hero = dynamic_cast<const CGHeroInstance *>(object);
if(hero->inTownGarrison)
return 0;
if(hero->boat)
return 0;
}
if(showAllTerrain)
{
if(object->isVisitable() && !LOCPLINT->cb->isVisible(coordinates))
return 0;
}
if(fadeOutAnimation && objectID == fadeOutAnimation->target)
return 1.0 - fadeOutAnimation->progress;
if(fadeInAnimation && objectID == fadeInAnimation->target)
return fadeInAnimation->progress;
return 1.0;
}
size_t MapRendererContext::selectOverlayImageForObject(const ObjectPosInfo & object) const
{
size_t ownerIndex = PlayerColor::PLAYER_LIMIT.getNum() * static_cast<size_t>(EWorldViewIcon::ICONS_PER_PLAYER);
if(object.owner.isValidPlayer())
ownerIndex = object.owner.getNum() * static_cast<size_t>(EWorldViewIcon::ICONS_PER_PLAYER);
switch(object.id)
{
case Obj::MONOLITH_ONE_WAY_ENTRANCE:
case Obj::MONOLITH_ONE_WAY_EXIT:
case Obj::MONOLITH_TWO_WAY:
return ownerIndex + static_cast<size_t>(EWorldViewIcon::TELEPORT);
case Obj::SUBTERRANEAN_GATE:
return ownerIndex + static_cast<size_t>(EWorldViewIcon::GATE);
case Obj::ARTIFACT:
return ownerIndex + static_cast<size_t>(EWorldViewIcon::ARTIFACT);
case Obj::TOWN:
return ownerIndex + static_cast<size_t>(EWorldViewIcon::TOWN);
case Obj::HERO:
return ownerIndex + static_cast<size_t>(EWorldViewIcon::HERO);
case Obj::MINE:
return ownerIndex + static_cast<size_t>(EWorldViewIcon::MINE_WOOD) + object.subId;
case Obj::RESOURCE:
return ownerIndex + static_cast<size_t>(EWorldViewIcon::RES_WOOD) + object.subId;
}
return std::numeric_limits<size_t>::max();
}
size_t MapRendererContext::overlayImageIndex(const int3 & coordinates) const
{
for(const auto & entry : additionalOverlayIcons)
{
if(entry.pos != coordinates)
continue;
size_t iconIndex = selectOverlayImageForObject(entry);
if(iconIndex != std::numeric_limits<size_t>::max())
return iconIndex;
}
if(!isVisible(coordinates))
return std::numeric_limits<size_t>::max();
for(const auto & objectID : getObjects(coordinates))
{
const auto * object = getObject(objectID);
if(!object->visitableAt(coordinates.x, coordinates.y))
continue;
ObjectPosInfo info;
info.pos = coordinates;
info.id = object->ID;
info.subId = object->subID;
info.owner = object->tempOwner;
size_t iconIndex = selectOverlayImageForObject(info);
if(iconIndex != std::numeric_limits<size_t>::max())
return iconIndex;
}
return std::numeric_limits<size_t>::max();
}