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/*
* 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 "MapRendererContextState.h"
#include "IMapRendererContext.h"
#include "mapHandler.h"
#include "../CPlayerInterface.h"
#include "../GameInstance.h"
#include "../adventureMap/AdventureMapInterface.h"
#include "../../lib/callback/CCallback.h"
#include "../../lib/mapObjects/CGHeroInstance.h"
#include "../../lib/mapping/CMap.h"
static bool compareObjectBlitOrder(ObjectInstanceID left, ObjectInstanceID right)
{
//FIXME: remove mh access
return CMap::compareObjectBlitOrder(GAME->map().getMap()->getObject(left), GAME->map().getMap()->getObject(right));
}
MapRendererContextState::MapRendererContextState()
: objects(GAME->interface()->cb->getMapSize())
{
logGlobal->debug("Loading map objects");
for(const auto & obj : GAME->map().getMap()->getObjects())
addObject(obj);
logGlobal->debug("Done loading map objects");
}
void MapRendererContextState::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->anchorPos().x - fx, obj->anchorPos().y - fy, obj->anchorPos().z);
if(GAME->interface()->cb->isInTheMap(currTile) && obj->coveringAt(currTile))
{
auto & container = objects[currTile];
auto position = std::upper_bound(container.begin(), container.end(), obj->id, compareObjectBlitOrder);
container.insert(position, obj->id);
usedTiles[obj->id].push_back(currTile);
}
}
}
}
void MapRendererContextState::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->anchorPos().z);
if(GAME->interface()->cb->isInTheMap(currTile))
{
auto & container = objects[currTile];
auto position = std::upper_bound(container.begin(), container.end(), object->id, compareObjectBlitOrder);
container.insert(position, object->id);
usedTiles[object->id].push_back(currTile);
}
}
}
}
void MapRendererContextState::removeObject(const CGObjectInstance * object)
{
for (const auto & usedTile : usedTiles[object->id])
vstd::erase(objects[usedTile], object->id);
usedTiles.erase(object->id);
}
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