4jcraft/targets/minecraft/server/level/ServerPlayerGameMode.cpp

387 lines
14 KiB
C++

#include "minecraft/util/DebugSettings.h"
#include "ServerPlayerGameMode.h"
#include <vector>
#include "app/common/GameRules/LevelRules/Rules/GameRulesInstance.h"
#include "ServerLevel.h"
#include "ServerPlayer.h"
#include "minecraft/client/Minecraft.h"
#include "minecraft/client/multiplayer/MultiPlayerLevel.h"
#include "minecraft/client/renderer/LevelRenderer.h"
#include "minecraft/network/packet/TileUpdatePacket.h"
#include "minecraft/server/network/PlayerConnection.h"
#include "minecraft/world/entity/player/Inventory.h"
#include "minecraft/world/entity/player/Player.h"
#include "minecraft/world/item/Item.h"
#include "minecraft/world/item/ItemInstance.h"
#include "minecraft/world/item/WeaponItem.h"
#include "minecraft/world/level/Level.h"
#include "minecraft/world/level/LevelSettings.h"
#include "minecraft/world/level/chunk/LevelChunk.h"
#include "minecraft/world/level/dimension/Dimension.h"
#include "minecraft/world/level/tile/LevelEvent.h"
#include "minecraft/world/level/tile/Tile.h"
ServerPlayerGameMode::ServerPlayerGameMode(Level* level) {
// 4J - added initialisers
isDestroyingBlock = false;
destroyProgressStart = 0;
xDestroyBlock = yDestroyBlock = zDestroyBlock = 0;
gameTicks = 0;
hasDelayedDestroy = false;
delayedDestroyX = delayedDestroyY = delayedDestroyZ = 0;
delayedTickStart = 0;
lastSentState = -1;
gameModeForPlayer = GameType::NOT_SET;
this->level = level;
// 4J Added
m_gameRules = nullptr;
}
ServerPlayerGameMode::~ServerPlayerGameMode() {
if (m_gameRules != nullptr) delete m_gameRules;
}
void ServerPlayerGameMode::setGameModeForPlayer(GameType* gameModeForPlayer) {
this->gameModeForPlayer = gameModeForPlayer;
gameModeForPlayer->updatePlayerAbilities(&(player->abilities));
player->onUpdateAbilities();
}
GameType* ServerPlayerGameMode::getGameModeForPlayer() {
return gameModeForPlayer;
}
bool ServerPlayerGameMode::isSurvival() {
return gameModeForPlayer->isSurvival();
}
bool ServerPlayerGameMode::isCreative() {
return gameModeForPlayer->isCreative();
}
void ServerPlayerGameMode::updateGameMode(GameType* gameType) {
if (gameModeForPlayer == GameType::NOT_SET) {
gameModeForPlayer = gameType;
}
setGameModeForPlayer(gameModeForPlayer);
}
void ServerPlayerGameMode::tick() {
gameTicks++;
if (hasDelayedDestroy) {
int ticksSpentDestroying = gameTicks - delayedTickStart;
int t =
level->getTile(delayedDestroyX, delayedDestroyY, delayedDestroyZ);
if (t == 0) {
hasDelayedDestroy = false;
} else {
Tile* tile = Tile::tiles[t];
float destroyProgress =
tile->getDestroyProgress(player, player->level, delayedDestroyX,
delayedDestroyY, delayedDestroyZ) *
(ticksSpentDestroying + 1);
int state = (int)(destroyProgress * 10);
if (state != lastSentState) {
level->destroyTileProgress(player->entityId, delayedDestroyX,
delayedDestroyY, delayedDestroyZ,
state);
lastSentState = state;
}
if (destroyProgress >= 1) {
hasDelayedDestroy = false;
destroyBlock(delayedDestroyX, delayedDestroyY, delayedDestroyZ);
}
}
} else if (isDestroyingBlock) {
int t = level->getTile(xDestroyBlock, yDestroyBlock, zDestroyBlock);
Tile* tile = Tile::tiles[t];
if (tile == nullptr) {
level->destroyTileProgress(player->entityId, xDestroyBlock,
yDestroyBlock, zDestroyBlock, -1);
lastSentState = -1;
isDestroyingBlock = false;
} else {
int ticksSpentDestroying = gameTicks - destroyProgressStart;
float destroyProgress =
tile->getDestroyProgress(player, player->level, xDestroyBlock,
yDestroyBlock, zDestroyBlock) *
(ticksSpentDestroying + 1);
int state = (int)(destroyProgress * 10);
if (state != lastSentState) {
level->destroyTileProgress(player->entityId, xDestroyBlock,
yDestroyBlock, zDestroyBlock, state);
lastSentState = state;
}
}
}
}
void ServerPlayerGameMode::startDestroyBlock(int x, int y, int z, int face) {
if (!player->isAllowedToMine()) return;
if (gameModeForPlayer->isAdventureRestricted()) {
if (!player->mayDestroyBlockAt(x, y, z)) {
return;
}
}
if (isCreative()) {
if (!level->extinguishFire(nullptr, x, y, z, face)) {
destroyBlock(x, y, z);
}
return;
}
level->extinguishFire(player, x, y, z, face);
destroyProgressStart = gameTicks;
float progress = 1.0f;
int t = level->getTile(x, y, z);
if (t > 0) {
Tile::tiles[t]->attack(level, x, y, z, player);
progress =
Tile::tiles[t]->getDestroyProgress(player, player->level, x, y, z);
}
if (t > 0 &&
(progress >=
1)) //|| (DebugSettings::isOn() &&
//(player->GetDebugOptions()&(1L<<eDebugSetting_InstantDestroy)
//) )))
{
destroyBlock(x, y, z);
} else {
isDestroyingBlock = true;
xDestroyBlock = x;
yDestroyBlock = y;
zDestroyBlock = z;
int state = (int)(progress * 10);
level->destroyTileProgress(player->entityId, x, y, z, state);
lastSentState = state;
}
}
void ServerPlayerGameMode::stopDestroyBlock(int x, int y, int z) {
if (x == xDestroyBlock && y == yDestroyBlock && z == zDestroyBlock) {
// int ticksSpentDestroying = gameTicks - destroyProgressStart;
int t = level->getTile(x, y, z);
if (t != 0) {
Tile* tile = Tile::tiles[t];
// MGH - removed checking for the destroy progress here, it has
// already been checked on the client before it sent the packet.
// fixes issues with this failing to destroy
// because of packets bunching up
// float destroyProgress =
// tile->getDestroyProgress(player, player->level, x, y,
// z) * (ticksSpentDestroying + 1); if (destroyProgress
// >= .7f || bIgnoreDestroyProgress)
{
isDestroyingBlock = false;
level->destroyTileProgress(player->entityId, x, y, z, -1);
destroyBlock(x, y, z);
}
// else if (!hasDelayedDestroy)
// {
// isDestroyingBlock = false;
// hasDelayedDestroy = true;
// delayedDestroyX = x;
// delayedDestroyY = y;
// delayedDestroyZ = z;
// delayedTickStart = destroyProgressStart;
// }
}
}
}
void ServerPlayerGameMode::abortDestroyBlock(int x, int y, int z) {
isDestroyingBlock = false;
level->destroyTileProgress(player->entityId, xDestroyBlock, yDestroyBlock,
zDestroyBlock, -1);
}
bool ServerPlayerGameMode::superDestroyBlock(int x, int y, int z) {
Tile* oldTile = Tile::tiles[level->getTile(x, y, z)];
int data = level->getData(x, y, z);
if (oldTile != nullptr) {
oldTile->playerWillDestroy(level, x, y, z, data, player);
}
bool changed = level->removeTile(x, y, z);
if (oldTile != nullptr && changed) {
oldTile->destroy(level, x, y, z, data);
}
return changed;
}
bool ServerPlayerGameMode::destroyBlock(int x, int y, int z) {
if (gameModeForPlayer->isAdventureRestricted()) {
if (!player->mayDestroyBlockAt(x, y, z)) {
return false;
}
}
if (gameModeForPlayer->isCreative()) {
if (player->getCarriedItem() != nullptr &&
dynamic_cast<WeaponItem*>(player->getCarriedItem()->getItem()) !=
nullptr) {
return false;
}
}
int t = level->getTile(x, y, z);
int data = level->getData(x, y, z);
level->levelEvent(player, LevelEvent::PARTICLES_DESTROY_BLOCK, x, y, z,
t + (level->getData(x, y, z) << Tile::TILE_NUM_SHIFT));
// 4J - In creative mode, the point where we need to tell the renderer that
// we are about to destroy a tile via destroyingTileAt is quite complicated.
// If the player being told is remote, then we always want the client to do
// it as it does the final update. If the player being told is local, then
// we need to update the renderer Here if we are sharing data between host &
// client as this is the final point where the original data is still
// intact. If the player being told is local, and we aren't sharing data
// between host & client, then we can just treat it as if it is a remote
// player and it can update the renderer.
bool clientToUpdateRenderer = false;
if (isCreative()) {
clientToUpdateRenderer = true;
if (std::dynamic_pointer_cast<ServerPlayer>(player)
->connection->isLocal()) {
// Establish whether we are sharing this chunk between client &
// server
MultiPlayerLevel* clientLevel =
Minecraft::GetInstance()->getLevel(level->dimension->id);
if (clientLevel) {
LevelChunk* lc = clientLevel->getChunkAt(x, z);
#ifdef SHARING_ENABLED
if (lc->sharingTilesAndData) {
// We are sharing - this is the last point we can tell the
// renderer
Minecraft::GetInstance()
->levelRenderer->destroyedTileManager->destroyingTileAt(
clientLevel, x, y, z);
// Don't need to ask the client to do this too
clientToUpdateRenderer = false;
}
#endif
}
}
}
bool changed = superDestroyBlock(x, y, z);
if (isCreative()) {
std::shared_ptr<TileUpdatePacket> tup =
std::shared_ptr<TileUpdatePacket>(
new TileUpdatePacket(x, y, z, level));
// 4J - a bit of a hack here, but if we want to tell the client that it
// needs to inform the renderer of a block being destroyed, then send a
// block 255 instead of a 0. This is handled in
// ClientConnection::handleTileUpdate
if (tup->block == 0) {
if (clientToUpdateRenderer) tup->block = 255;
}
player->connection->send(tup);
} else {
std::shared_ptr<ItemInstance> item = player->getSelectedItem();
bool canDestroy = player->canDestroy(Tile::tiles[t]);
if (item != nullptr) {
item->mineBlock(level, t, x, y, z, player);
if (item->count == 0) {
player->removeSelectedItem();
}
}
if (changed && canDestroy) {
Tile::tiles[t]->playerDestroy(level, player, x, y, z, data);
}
}
return changed;
}
bool ServerPlayerGameMode::useItem(std::shared_ptr<Player> player, Level* level,
std::shared_ptr<ItemInstance> item,
bool bTestUseOnly) {
if (!player->isAllowedToUse(item)) return false;
int oldCount = item->count;
int oldAux = item->getAuxValue();
std::shared_ptr<ItemInstance> itemInstance = item->use(level, player);
if (itemInstance != item ||
(itemInstance != nullptr && (itemInstance->count != oldCount ||
itemInstance->getUseDuration() > 0 ||
itemInstance->getAuxValue() != oldAux))) {
player->inventory->items[player->inventory->selected] = itemInstance;
if (isCreative()) {
itemInstance->count = oldCount;
if (itemInstance->isDamageableItem())
itemInstance->setAuxValue(oldAux);
}
if (itemInstance->count == 0) {
player->inventory->items[player->inventory->selected] = nullptr;
}
if (!player->isUsingItem()) {
std::dynamic_pointer_cast<ServerPlayer>(player)->refreshContainer(
player->inventoryMenu);
}
return true;
}
return false;
}
bool ServerPlayerGameMode::useItemOn(std::shared_ptr<Player> player,
Level* level,
std::shared_ptr<ItemInstance> item, int x,
int y, int z, int face, float clickX,
float clickY, float clickZ,
bool bTestUseOnOnly, bool* pbUsedItem) {
// 4J-PB - Adding a test only version to allow tooltips to be displayed
int t = level->getTile(x, y, z);
if (!player->isSneaking() || player->getCarriedItem() == nullptr) {
if (t > 0 && player->isAllowedToUse(Tile::tiles[t])) {
if (bTestUseOnOnly) {
if (Tile::tiles[t]->TestUse()) return true;
} else {
if (Tile::tiles[t]->use(level, x, y, z, player, face, clickX,
clickY, clickZ)) {
if (m_gameRules != nullptr)
m_gameRules->onUseTile(t, x, y, z);
return true;
}
}
}
}
if (item == nullptr || !player->isAllowedToUse(item)) return false;
if (isCreative()) {
int aux = item->getAuxValue();
int count = item->count;
bool success =
item->useOn(player, level, x, y, z, face, clickX, clickY, clickZ);
item->setAuxValue(aux);
item->count = count;
return success;
} else {
return item->useOn(player, level, x, y, z, face, clickX, clickY, clickZ,
bTestUseOnOnly);
}
}
void ServerPlayerGameMode::setLevel(ServerLevel* newLevel) { level = newLevel; }
// 4J Added
void ServerPlayerGameMode::setGameRules(GameRulesInstance* rules) {
if (m_gameRules != nullptr) delete m_gameRules;
m_gameRules = rules;
}