mirror of
https://github.com/vcmi/vcmi.git
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416 lines
11 KiB
C++
416 lines
11 KiB
C++
/*
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* CTerrainRect.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "CTerrainRect.h"
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#include "mapHandler.h"
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#include "CAdvMapInt.h"
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#include "../CGameInfo.h"
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#include "../CPlayerInterface.h"
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#include "../gui/CursorHandler.h"
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#include "../gui/CGuiHandler.h"
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#include "../render/CAnimation.h"
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#include "../render/CFadeAnimation.h"
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#include "../render/IImage.h"
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#include "../renderSDL/SDL_Extensions.h"
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#include "../widgets/TextControls.h"
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#include "../CMT.h"
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#include "../../CCallback.h"
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#include "../../lib/CConfigHandler.h"
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#include "../../lib/mapping/CMap.h"
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#include "../../lib/CPathfinder.h"
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#include <SDL_surface.h>
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#define ADVOPT (conf.go()->ac)
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CTerrainRect::CTerrainRect()
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: fadeSurface(nullptr),
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lastRedrawStatus(EMapAnimRedrawStatus::OK),
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fadeAnim(std::make_shared<CFadeAnimation>()),
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curHoveredTile(-1,-1,-1),
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currentPath(nullptr)
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{
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tilesw=(ADVOPT.advmapW+31)/32;
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tilesh=(ADVOPT.advmapH+31)/32;
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pos.x=ADVOPT.advmapX;
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pos.y=ADVOPT.advmapY;
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pos.w=ADVOPT.advmapW;
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pos.h=ADVOPT.advmapH;
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moveX = moveY = 0;
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addUsedEvents(LCLICK | RCLICK | MCLICK | HOVER | MOVE);
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}
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CTerrainRect::~CTerrainRect()
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{
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if(fadeSurface)
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SDL_FreeSurface(fadeSurface);
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}
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void CTerrainRect::deactivate()
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{
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CIntObject::deactivate();
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curHoveredTile = int3(-1,-1,-1); //we lost info about hovered tile when disabling
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}
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void CTerrainRect::clickLeft(tribool down, bool previousState)
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{
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if(adventureInt->mode == EAdvMapMode::WORLD_VIEW)
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return;
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if(indeterminate(down))
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return;
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#if defined(VCMI_ANDROID) || defined(VCMI_IOS)
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if(adventureInt->swipeEnabled)
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{
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if(handleSwipeStateChange((bool)down == true))
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{
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return; // if swipe is enabled, we don't process "down" events and wait for "up" (to make sure this wasn't a swiping gesture)
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}
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}
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else
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{
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#endif
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if(down == false)
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return;
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#if defined(VCMI_ANDROID) || defined(VCMI_IOS)
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}
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#endif
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int3 mp = whichTileIsIt();
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if(mp.x < 0 || mp.y < 0 || mp.x >= LOCPLINT->cb->getMapSize().x || mp.y >= LOCPLINT->cb->getMapSize().y)
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return;
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adventureInt->tileLClicked(mp);
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}
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void CTerrainRect::clickRight(tribool down, bool previousState)
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{
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#if defined(VCMI_ANDROID) || defined(VCMI_IOS)
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if(adventureInt->swipeEnabled && isSwiping)
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return;
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#endif
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if(adventureInt->mode == EAdvMapMode::WORLD_VIEW)
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return;
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int3 mp = whichTileIsIt();
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if(CGI->mh->map->isInTheMap(mp) && down)
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adventureInt->tileRClicked(mp);
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}
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void CTerrainRect::clickMiddle(tribool down, bool previousState)
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{
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handleSwipeStateChange((bool)down == true);
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}
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void CTerrainRect::mouseMoved(const Point & cursorPosition)
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{
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handleHover(cursorPosition);
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if(!adventureInt->swipeEnabled)
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return;
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handleSwipeMove(cursorPosition);
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}
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void CTerrainRect::handleSwipeMove(const Point & cursorPosition)
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{
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#if defined(VCMI_ANDROID) || defined(VCMI_IOS)
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if(!GH.isMouseButtonPressed() || GH.multifinger) // any "button" is enough on mobile
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return;
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#else
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if(!GH.isMouseButtonPressed(MouseButton::MIDDLE)) // swipe only works with middle mouse on other platforms
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return;
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#endif
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if(!isSwiping)
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{
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// try to distinguish if this touch was meant to be a swipe or just fat-fingering press
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if(abs(cursorPosition.x - swipeInitialRealPos.x) > SwipeTouchSlop ||
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abs(cursorPosition.y - swipeInitialRealPos.y) > SwipeTouchSlop)
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{
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isSwiping = true;
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}
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}
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if(isSwiping)
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{
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adventureInt->swipeTargetPosition.x =
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swipeInitialMapPos.x + static_cast<si32>(swipeInitialRealPos.x - cursorPosition.x) / 32;
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adventureInt->swipeTargetPosition.y =
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swipeInitialMapPos.y + static_cast<si32>(swipeInitialRealPos.y - cursorPosition.y) / 32;
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adventureInt->swipeMovementRequested = true;
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}
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}
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bool CTerrainRect::handleSwipeStateChange(bool btnPressed)
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{
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if(btnPressed)
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{
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swipeInitialRealPos = Point(GH.getCursorPosition().x, GH.getCursorPosition().y);
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swipeInitialMapPos = int3(adventureInt->position);
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return true;
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}
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else if(isSwiping) // only accept this touch if it wasn't a swipe
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{
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isSwiping = false;
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return true;
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}
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return false;
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}
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void CTerrainRect::handleHover(const Point & cursorPosition)
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{
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int3 tHovered = whichTileIsIt(cursorPosition.x, cursorPosition.y);
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int3 pom = adventureInt->verifyPos(tHovered);
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if(tHovered != pom) //tile outside the map
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{
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CCS->curh->set(Cursor::Map::POINTER);
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return;
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}
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if (pom != curHoveredTile)
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{
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curHoveredTile = pom;
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adventureInt->tileHovered(pom);
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}
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}
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void CTerrainRect::hover(bool on)
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{
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if (!on)
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{
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GH.statusbar->clear();
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CCS->curh->set(Cursor::Map::POINTER);
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}
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//Hoverable::hover(on);
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}
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void CTerrainRect::showPath(const Rect & extRect, SDL_Surface * to)
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{
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const static int pns[9][9] = {
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{16, 17, 18, 7, -1, 19, 6, 5, -1},
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{ 8, 9, 18, 7, -1, 19, 6, -1, 20},
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{ 8, 1, 10, 7, -1, 19, -1, 21, 20},
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{24, 17, 18, 15, -1, -1, 6, 5, 4},
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{-1, -1, -1, -1, -1, -1, -1, -1, -1},
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{ 8, 1, 2, -1, -1, 11, 22, 21, 20},
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{24, 17, -1, 23, -1, 3, 14, 5, 4},
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{24, -1, 2, 23, -1, 3, 22, 13, 4},
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{-1, 1, 2, 23, -1, 3, 22, 21, 12}
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}; //table of magic values TODO meaning, change variable name
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for (int i = 0; i < -1 + (int)currentPath->nodes.size(); ++i)
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{
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const int3 &curPos = currentPath->nodes[i].coord, &nextPos = currentPath->nodes[i+1].coord;
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if(curPos.z != adventureInt->position.z)
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continue;
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int pn=-1;//number of picture
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if (i==0) //last tile
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{
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int x = 32*(curPos.x-adventureInt->position.x)+CGI->mh->offsetX + pos.x,
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y = 32*(curPos.y-adventureInt->position.y)+CGI->mh->offsetY + pos.y;
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if (x<0 || y<0 || x>pos.w || y>pos.h)
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continue;
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pn=0;
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}
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else
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{
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const int3 &prevPos = currentPath->nodes[i-1].coord;
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std::vector<CGPathNode> & cv = currentPath->nodes;
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/* Vector directions
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* 0 1 2
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* \ | /
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* 3 - 4 - 5
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* / | \
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* 6 7 8
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*For example:
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* |
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* |__\
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* /
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* is id1=7, id2=5 (pns[7][5])
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*/
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bool pathContinuous = curPos.areNeighbours(nextPos) && curPos.areNeighbours(prevPos);
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if(pathContinuous && cv[i].action != CGPathNode::EMBARK && cv[i].action != CGPathNode::DISEMBARK)
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{
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int id1=(curPos.x-nextPos.x+1)+3*(curPos.y-nextPos.y+1); //Direction of entering vector
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int id2=(cv[i-1].coord.x-curPos.x+1)+3*(cv[i-1].coord.y-curPos.y+1); //Direction of exiting vector
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pn=pns[id1][id2];
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}
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else //path discontinuity or sea/land transition (eg. when moving through Subterranean Gate or Boat)
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{
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pn = 0;
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}
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}
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if (currentPath->nodes[i].turns)
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pn+=25;
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if (pn>=0)
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{
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const auto arrow = graphics->heroMoveArrows->getImage(pn);
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int x = 32*(curPos.x-adventureInt->position.x)+CGI->mh->offsetX + pos.x,
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y = 32*(curPos.y-adventureInt->position.y)+CGI->mh->offsetY + pos.y;
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if (x< -32 || y< -32 || x>pos.w || y>pos.h)
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continue;
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int hvx = (x + arrow->width()) - (pos.x + pos.w),
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hvy = (y + arrow->height()) - (pos.y + pos.h);
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Rect prevClip;
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CSDL_Ext::getClipRect(to, prevClip);
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CSDL_Ext::setClipRect(to, extRect); //preventing blitting outside of that rect
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if(ADVOPT.smoothMove) //version for smooth hero move, with pos shifts
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{
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if (hvx<0 && hvy<0)
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{
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arrow->draw(to, x + moveX, y + moveY);
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}
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else if(hvx<0)
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{
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Rect srcRect (Point(0, 0), Point(arrow->height() - hvy, arrow->width()));
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arrow->draw(to, x + moveX, y + moveY, &srcRect);
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}
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else if (hvy<0)
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{
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Rect srcRect (Point(0, 0), Point(arrow->height(), arrow->width() - hvx));
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arrow->draw(to, x + moveX, y + moveY, &srcRect);
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}
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else
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{
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Rect srcRect (Point(0, 0), Point(arrow->height() - hvy, arrow->width() - hvx));
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arrow->draw(to, x + moveX, y + moveY, &srcRect);
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}
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}
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else //standard version
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{
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if (hvx<0 && hvy<0)
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{
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arrow->draw(to, x, y);
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}
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else if(hvx<0)
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{
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Rect srcRect (Point(0, 0), Point(arrow->height() - hvy, arrow->width()));
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arrow->draw(to, x, y, &srcRect);
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}
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else if (hvy<0)
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{
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Rect srcRect (Point(0, 0), Point(arrow->height(), arrow->width() - hvx));
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arrow->draw(to, x, y, &srcRect);
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}
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else
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{
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Rect srcRect (Point(0, 0), Point(arrow->height() - hvy, arrow->width() - hvx));
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arrow->draw(to, x, y, &srcRect);
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}
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}
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CSDL_Ext::setClipRect(to, prevClip);
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}
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} //for (int i=0;i<currentPath->nodes.size()-1;i++)
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}
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void CTerrainRect::show(SDL_Surface * to)
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{
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if (adventureInt->mode == EAdvMapMode::NORMAL)
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{
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MapDrawingInfo info(adventureInt->position, LOCPLINT->cb->getVisibilityMap(), pos);
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info.otherheroAnim = true;
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info.anim = adventureInt->anim;
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info.heroAnim = adventureInt->heroAnim;
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if (ADVOPT.smoothMove)
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info.movement = int3(moveX, moveY, 0);
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lastRedrawStatus = CGI->mh->drawTerrainRectNew(to, &info);
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if (fadeAnim->isFading())
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{
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Rect r(pos);
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fadeAnim->update();
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fadeAnim->draw(to, r.topLeft());
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}
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if (currentPath/* && adventureInt->position.z==currentPath->startPos().z*/) //drawing path
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{
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showPath(pos, to);
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}
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}
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}
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void CTerrainRect::showAll(SDL_Surface * to)
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{
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// world view map is static and doesn't need redraw every frame
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if (adventureInt->mode == EAdvMapMode::WORLD_VIEW)
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{
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MapDrawingInfo info(adventureInt->position, LOCPLINT->cb->getVisibilityMap(), pos, adventureInt->worldViewIcons);
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info.scaled = true;
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info.scale = adventureInt->worldViewScale;
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adventureInt->worldViewOptions.adjustDrawingInfo(info);
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CGI->mh->drawTerrainRectNew(to, &info);
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}
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}
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void CTerrainRect::showAnim(SDL_Surface * to)
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{
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if (!needsAnimUpdate())
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return;
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if (fadeAnim->isFading() || lastRedrawStatus == EMapAnimRedrawStatus::REDRAW_REQUESTED)
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show(to);
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}
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int3 CTerrainRect::whichTileIsIt(const int x, const int y)
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{
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int3 ret;
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ret.x = adventureInt->position.x + ((x-CGI->mh->offsetX-pos.x)/32);
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ret.y = adventureInt->position.y + ((y-CGI->mh->offsetY-pos.y)/32);
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ret.z = adventureInt->position.z;
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return ret;
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}
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int3 CTerrainRect::whichTileIsIt()
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{
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return whichTileIsIt(GH.getCursorPosition().x, GH.getCursorPosition().y);
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}
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Rect CTerrainRect::visibleTilesArea()
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{
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switch (adventureInt->mode)
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{
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default:
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logGlobal->error("Unknown map mode %d", (int)adventureInt->mode);
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return Rect();
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case EAdvMapMode::NORMAL:
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return Rect(adventureInt->position.x, adventureInt->position.y, tilesw, tilesh);
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case EAdvMapMode::WORLD_VIEW:
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return Rect(adventureInt->position.x, adventureInt->position.y, tilesw / adventureInt->worldViewScale, tilesh / adventureInt->worldViewScale);
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}
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}
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void CTerrainRect::fadeFromCurrentView()
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{
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if (!ADVOPT.screenFading)
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return;
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if (adventureInt->mode == EAdvMapMode::WORLD_VIEW)
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return;
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if (!fadeSurface)
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fadeSurface = CSDL_Ext::newSurface(pos.w, pos.h);
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CSDL_Ext::blitSurface(screen, fadeSurface, Point(0,0));
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fadeAnim->init(CFadeAnimation::EMode::OUT, fadeSurface);
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}
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bool CTerrainRect::needsAnimUpdate()
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{
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return fadeAnim->isFading() || lastRedrawStatus == EMapAnimRedrawStatus::REDRAW_REQUESTED;
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}
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