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https://github.com/vcmi/vcmi.git
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3dd4fa2528
Final goal (of multiple PR's) is to remove all remaining pointers from serializeable game state, and replace them with either identifiers or with shared/unique pointers. CGTownInstance::town and CGHeroInstance::type members have been removed. Now this data is computed dynamically using subID member. VLC entity of a town can now be accessed via following methods: - getFactionID() returns ID of a faction - getFaction() returns pointer to a faction - getTown() returns pointer to a town VLC entity of a hero can now be accessed via following methods: - getHeroTypeID() returns ID of a hero - getHeroClassID() returns ID of a hero class - getHeroType() returns pointer to a hero - getHeroClass() returns pointer to a hero class
375 lines
12 KiB
C++
375 lines
12 KiB
C++
/*
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* BattleSiegeController.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 "BattleSiegeController.h"
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#include "BattleAnimationClasses.h"
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#include "BattleInterface.h"
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#include "BattleInterfaceClasses.h"
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#include "BattleStacksController.h"
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#include "BattleFieldController.h"
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#include "BattleRenderer.h"
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#include "../CGameInfo.h"
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#include "../CPlayerInterface.h"
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#include "../gui/CGuiHandler.h"
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#include "../media/ISoundPlayer.h"
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#include "../render/Canvas.h"
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#include "../render/IImage.h"
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#include "../render/IRenderHandler.h"
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#include "../../CCallback.h"
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#include "../../lib/CStack.h"
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#include "../../lib/entities/building/TownFortifications.h"
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#include "../../lib/mapObjects/CGTownInstance.h"
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#include "../../lib/networkPacks/PacksForClientBattle.h"
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ImagePath BattleSiegeController::getWallPieceImageName(EWallVisual::EWallVisual what, EWallState state) const
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{
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auto getImageIndex = [&]() -> int
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{
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int health = static_cast<int>(state);
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switch (what)
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{
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case EWallVisual::KEEP:
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case EWallVisual::BOTTOM_TOWER:
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case EWallVisual::UPPER_TOWER:
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if (health > 0)
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return 1;
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else
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return 2;
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default:
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{
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int healthTotal = town->fortificationsLevel().wallsHealth;
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if (healthTotal == health)
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return 1;
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if (health > 0)
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return 2;
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return 3;
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}
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};
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};
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const std::string & prefix = town->getTown()->clientInfo.siegePrefix;
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std::string addit = std::to_string(getImageIndex());
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switch(what)
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{
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case EWallVisual::BACKGROUND_WALL:
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{
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auto faction = town->getFactionID();
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if (faction == ETownType::RAMPART || faction == ETownType::NECROPOLIS || faction == ETownType::DUNGEON || faction == ETownType::STRONGHOLD)
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return ImagePath::builtinTODO(prefix + "TPW1.BMP");
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else
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return ImagePath::builtinTODO(prefix + "TPWL.BMP");
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}
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case EWallVisual::KEEP:
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return ImagePath::builtinTODO(prefix + "MAN" + addit + ".BMP");
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case EWallVisual::BOTTOM_TOWER:
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return ImagePath::builtinTODO(prefix + "TW1" + addit + ".BMP");
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case EWallVisual::BOTTOM_WALL:
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return ImagePath::builtinTODO(prefix + "WA1" + addit + ".BMP");
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case EWallVisual::WALL_BELLOW_GATE:
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return ImagePath::builtinTODO(prefix + "WA3" + addit + ".BMP");
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case EWallVisual::WALL_OVER_GATE:
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return ImagePath::builtinTODO(prefix + "WA4" + addit + ".BMP");
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case EWallVisual::UPPER_WALL:
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return ImagePath::builtinTODO(prefix + "WA6" + addit + ".BMP");
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case EWallVisual::UPPER_TOWER:
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return ImagePath::builtinTODO(prefix + "TW2" + addit + ".BMP");
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case EWallVisual::GATE:
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return ImagePath::builtinTODO(prefix + "DRW" + addit + ".BMP");
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case EWallVisual::GATE_ARCH:
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return ImagePath::builtinTODO(prefix + "ARCH.BMP");
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case EWallVisual::BOTTOM_STATIC_WALL:
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return ImagePath::builtinTODO(prefix + "WA2.BMP");
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case EWallVisual::UPPER_STATIC_WALL:
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return ImagePath::builtinTODO(prefix + "WA5.BMP");
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case EWallVisual::MOAT:
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return ImagePath::builtinTODO(prefix + "MOAT.BMP");
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case EWallVisual::MOAT_BANK:
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return ImagePath::builtinTODO(prefix + "MLIP.BMP");
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case EWallVisual::KEEP_BATTLEMENT:
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return ImagePath::builtinTODO(prefix + "MANC.BMP");
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case EWallVisual::BOTTOM_BATTLEMENT:
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return ImagePath::builtinTODO(prefix + "TW1C.BMP");
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case EWallVisual::UPPER_BATTLEMENT:
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return ImagePath::builtinTODO(prefix + "TW2C.BMP");
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default:
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return ImagePath();
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}
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}
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void BattleSiegeController::showWallPiece(Canvas & canvas, EWallVisual::EWallVisual what)
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{
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auto & ci = town->getTown()->clientInfo;
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auto const & pos = ci.siegePositions[what];
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if ( wallPieceImages[what] && pos.isValid())
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canvas.draw(wallPieceImages[what], Point(pos.x, pos.y));
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}
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ImagePath BattleSiegeController::getBattleBackgroundName() const
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{
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const std::string & prefix = town->getTown()->clientInfo.siegePrefix;
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return ImagePath::builtinTODO(prefix + "BACK.BMP");
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}
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bool BattleSiegeController::getWallPieceExistence(EWallVisual::EWallVisual what) const
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{
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const auto & fortifications = town->fortificationsLevel();
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switch (what)
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{
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case EWallVisual::MOAT: return fortifications.hasMoat && town->getTown()->clientInfo.siegePositions.at(EWallVisual::MOAT).isValid();
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case EWallVisual::MOAT_BANK: return fortifications.hasMoat && town->getTown()->clientInfo.siegePositions.at(EWallVisual::MOAT_BANK).isValid();
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case EWallVisual::KEEP_BATTLEMENT: return fortifications.citadelHealth > 0 && owner.getBattle()->battleGetWallState(EWallPart::KEEP) != EWallState::DESTROYED;
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case EWallVisual::UPPER_BATTLEMENT: return fortifications.upperTowerHealth > 0 && owner.getBattle()->battleGetWallState(EWallPart::UPPER_TOWER) != EWallState::DESTROYED;
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case EWallVisual::BOTTOM_BATTLEMENT: return fortifications.lowerTowerHealth > 0 && owner.getBattle()->battleGetWallState(EWallPart::BOTTOM_TOWER) != EWallState::DESTROYED;
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default: return true;
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}
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}
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BattleHex BattleSiegeController::getWallPiecePosition(EWallVisual::EWallVisual what) const
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{
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static const std::array<BattleHex, 18> wallsPositions = {
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BattleHex::INVALID, // BACKGROUND, // handled separately
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BattleHex::HEX_BEFORE_ALL, // BACKGROUND_WALL,
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135, // KEEP,
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BattleHex::HEX_AFTER_ALL, // BOTTOM_TOWER,
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182, // BOTTOM_WALL,
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130, // WALL_BELLOW_GATE,
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62, // WALL_OVER_GATE,
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12, // UPPER_WALL,
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BattleHex::HEX_BEFORE_ALL, // UPPER_TOWER,
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BattleHex::HEX_BEFORE_ALL, // GATE, // 94
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112, // GATE_ARCH,
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165, // BOTTOM_STATIC_WALL,
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45, // UPPER_STATIC_WALL,
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BattleHex::INVALID, // MOAT, // printed as absolute obstacle
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BattleHex::INVALID, // MOAT_BANK, // printed as absolute obstacle
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135, // KEEP_BATTLEMENT,
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BattleHex::HEX_AFTER_ALL, // BOTTOM_BATTLEMENT,
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BattleHex::HEX_BEFORE_ALL, // UPPER_BATTLEMENT,
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};
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return wallsPositions[what];
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}
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BattleSiegeController::BattleSiegeController(BattleInterface & owner, const CGTownInstance *siegeTown):
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owner(owner),
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town(siegeTown)
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{
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assert(owner.fieldController.get() == nullptr); // must be created after this
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for (int g = 0; g < wallPieceImages.size(); ++g)
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{
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if ( g == EWallVisual::GATE ) // gate is initially closed and has no image to display in this state
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continue;
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if ( !getWallPieceExistence(EWallVisual::EWallVisual(g)) )
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continue;
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wallPieceImages[g] = GH.renderHandler().loadImage(getWallPieceImageName(EWallVisual::EWallVisual(g), EWallState::REINFORCED), EImageBlitMode::COLORKEY);
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}
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}
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const CCreature *BattleSiegeController::getTurretCreature(BattleHex position) const
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{
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switch (position)
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{
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case BattleHex::CASTLE_CENTRAL_TOWER:
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return town->fortificationsLevel().citadelShooter.toCreature();
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case BattleHex::CASTLE_UPPER_TOWER:
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return town->fortificationsLevel().upperTowerShooter.toCreature();
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case BattleHex::CASTLE_BOTTOM_TOWER:
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return town->fortificationsLevel().lowerTowerShooter.toCreature();
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}
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throw std::runtime_error("Unable to select shooter for tower at " + std::to_string(position.hex));
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}
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Point BattleSiegeController::getTurretCreaturePosition( BattleHex position ) const
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{
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// Turret positions are read out of the config/wall_pos.txt
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int posID = 0;
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switch (position)
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{
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case BattleHex::CASTLE_CENTRAL_TOWER: // keep creature
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posID = EWallVisual::CREATURE_KEEP;
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break;
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case BattleHex::CASTLE_BOTTOM_TOWER: // bottom creature
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posID = EWallVisual::CREATURE_BOTTOM_TOWER;
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break;
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case BattleHex::CASTLE_UPPER_TOWER: // upper creature
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posID = EWallVisual::CREATURE_UPPER_TOWER;
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break;
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}
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if (posID != 0)
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{
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return {
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town->getTown()->clientInfo.siegePositions[posID].x,
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town->getTown()->clientInfo.siegePositions[posID].y
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};
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}
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assert(0);
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return Point(0,0);
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}
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void BattleSiegeController::gateStateChanged(const EGateState state)
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{
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auto oldState = owner.getBattle()->battleGetGateState();
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bool playSound = false;
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auto stateId = EWallState::NONE;
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switch(state)
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{
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case EGateState::CLOSED:
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if (oldState != EGateState::BLOCKED)
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playSound = true;
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break;
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case EGateState::BLOCKED:
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if (oldState != EGateState::CLOSED)
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playSound = true;
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break;
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case EGateState::OPENED:
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playSound = true;
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stateId = EWallState::DAMAGED;
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break;
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case EGateState::DESTROYED:
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stateId = EWallState::DESTROYED;
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break;
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}
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if (oldState != EGateState::NONE && oldState != EGateState::CLOSED && oldState != EGateState::BLOCKED)
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wallPieceImages[EWallVisual::GATE] = nullptr;
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if (stateId != EWallState::NONE)
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wallPieceImages[EWallVisual::GATE] = GH.renderHandler().loadImage(getWallPieceImageName(EWallVisual::GATE, stateId), EImageBlitMode::COLORKEY);
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if (playSound)
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CCS->soundh->playSound(soundBase::DRAWBRG);
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}
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void BattleSiegeController::showAbsoluteObstacles(Canvas & canvas)
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{
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if (getWallPieceExistence(EWallVisual::MOAT))
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showWallPiece(canvas, EWallVisual::MOAT);
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if (getWallPieceExistence(EWallVisual::MOAT_BANK))
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showWallPiece(canvas, EWallVisual::MOAT_BANK);
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}
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BattleHex BattleSiegeController::getTurretBattleHex(EWallVisual::EWallVisual wallPiece) const
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{
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switch(wallPiece)
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{
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case EWallVisual::KEEP_BATTLEMENT: return BattleHex::CASTLE_CENTRAL_TOWER;
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case EWallVisual::BOTTOM_BATTLEMENT: return BattleHex::CASTLE_BOTTOM_TOWER;
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case EWallVisual::UPPER_BATTLEMENT: return BattleHex::CASTLE_UPPER_TOWER;
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}
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assert(0);
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return BattleHex::INVALID;
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}
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const CStack * BattleSiegeController::getTurretStack(EWallVisual::EWallVisual wallPiece) const
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{
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for (auto & stack : owner.getBattle()->battleGetAllStacks(true))
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{
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if ( stack->initialPosition == getTurretBattleHex(wallPiece))
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return stack;
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}
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assert(0);
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return nullptr;
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}
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void BattleSiegeController::collectRenderableObjects(BattleRenderer & renderer)
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{
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for (int i = EWallVisual::WALL_FIRST; i <= EWallVisual::WALL_LAST; ++i)
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{
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auto wallPiece = EWallVisual::EWallVisual(i);
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if ( !getWallPieceExistence(wallPiece))
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continue;
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if ( getWallPiecePosition(wallPiece) == BattleHex::INVALID)
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continue;
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if (wallPiece == EWallVisual::KEEP_BATTLEMENT ||
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wallPiece == EWallVisual::BOTTOM_BATTLEMENT ||
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wallPiece == EWallVisual::UPPER_BATTLEMENT)
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{
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renderer.insert( EBattleFieldLayer::STACKS, getWallPiecePosition(wallPiece), [this, wallPiece](BattleRenderer::RendererRef canvas){
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owner.stacksController->showStack(canvas, getTurretStack(wallPiece));
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});
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renderer.insert( EBattleFieldLayer::OBSTACLES, getWallPiecePosition(wallPiece), [this, wallPiece](BattleRenderer::RendererRef canvas){
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showWallPiece(canvas, wallPiece);
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});
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}
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renderer.insert( EBattleFieldLayer::WALLS, getWallPiecePosition(wallPiece), [this, wallPiece](BattleRenderer::RendererRef canvas){
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showWallPiece(canvas, wallPiece);
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});
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}
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}
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bool BattleSiegeController::isAttackableByCatapult(BattleHex hex) const
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{
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if (owner.tacticsMode)
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return false;
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auto wallPart = owner.getBattle()->battleHexToWallPart(hex);
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return owner.getBattle()->isWallPartAttackable(wallPart);
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}
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void BattleSiegeController::stackIsCatapulting(const CatapultAttack & ca)
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{
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if (ca.attacker != -1)
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{
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const CStack *stack = owner.getBattle()->battleGetStackByID(ca.attacker);
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for (auto attackInfo : ca.attackedParts)
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{
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owner.stacksController->addNewAnim(new CatapultAnimation(owner, stack, attackInfo.destinationTile, nullptr, attackInfo.damageDealt));
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}
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}
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else
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{
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std::vector<Point> positions;
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//no attacker stack, assume spell-related (earthquake) - only hit animation
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for (auto attackInfo : ca.attackedParts)
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positions.push_back(owner.stacksController->getStackPositionAtHex(attackInfo.destinationTile, nullptr) + Point(99, 120));
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CCS->soundh->playSound( AudioPath::builtin("WALLHIT") );
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owner.stacksController->addNewAnim(new EffectAnimation(owner, AnimationPath::builtin("SGEXPL.DEF"), positions));
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}
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owner.waitForAnimations();
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for (auto attackInfo : ca.attackedParts)
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{
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int wallId = static_cast<int>(attackInfo.attackedPart) + EWallVisual::DESTRUCTIBLE_FIRST;
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//gate state changing handled separately
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if (wallId == EWallVisual::GATE)
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continue;
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auto wallState = EWallState(owner.getBattle()->battleGetWallState(attackInfo.attackedPart));
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wallPieceImages[wallId] = GH.renderHandler().loadImage(getWallPieceImageName(EWallVisual::EWallVisual(wallId), wallState), EImageBlitMode::COLORKEY);
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}
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}
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const CGTownInstance *BattleSiegeController::getSiegedTown() const
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{
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return town;
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}
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