352 lines
13 KiB
C++
352 lines
13 KiB
C++
#include "StarSpawner.hpp"
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#include "StarSpawnTypeDatabase.hpp"
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#include "StarRandom.hpp"
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#include "StarJsonExtra.hpp"
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#include "StarPlayer.hpp"
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#include "StarRoot.hpp"
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#include "StarAssets.hpp"
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#include "StarMonster.hpp"
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#include "StarWeightedPool.hpp"
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#include "StarLogging.hpp"
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namespace Star {
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Spawner::Spawner() {
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auto assets = Root::singleton().assets();
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auto config = assets->json("/spawning.config");
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m_spawnCellSize = config.getUInt("spawnCellSize");
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m_spawnCellMinimumEmptyTiles = config.getUInt("spawnCellMinimumEmptyTiles");
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m_spawnCellMinimumLiquidTiles = config.getUInt("spawnCellMinimumLiquidTiles");
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m_spawnCellMinimumNearSurfaceTiles = config.getUInt("spawnCellMinimumNearSurfaceTiles");
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m_spawnCellMinimumNearCeilingTiles = config.getUInt("spawnCellMinimumNearCeilingTiles");
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m_spawnCellMinimumAirTiles = config.getUInt("spawnCellMinimumAirTiles");
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m_spawnCellMinimumExposedTiles = config.getUInt("spawnCellMinimumExposedTiles");
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m_spawnCellNearSurfaceDistance = config.getUInt("spawnCellNearSurfaceDistance");
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m_spawnCellNearCeilingDistance = config.getUInt("spawnCellNearCeilingDistance");
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m_minimumDayLevel = config.getFloat("minimumDayLevel");
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m_minimumLiquidLevel = config.getFloat("minimumLiquidLevel");
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m_spawnCheckResolution = config.getFloat("spawnCheckResolution");
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m_spawnSurfaceCheckDistance = config.getInt("spawnSurfaceCheckDistance");
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m_spawnCeilingCheckDistance = config.getInt("spawnCeilingCheckDistance");
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m_spawnProhibitedCheckPadding = config.getFloat("spawnProhibitedCheckPadding");
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m_spawnCellLifetime = config.getFloat("spawnCellLifetime");
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m_windowActivationBorder = config.getUInt("windowActivationBorder");
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m_active = config.getBool("defaultActive", true);
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m_debug = config.getBool("debug", false);
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}
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void Spawner::init(SpawnerFacadePtr facade) {
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m_facade = move(facade);
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}
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void Spawner::uninit() {
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for (auto entityId : m_spawnedEntities)
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m_facade->despawnEntity(entityId);
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m_facade.reset();
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}
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bool Spawner::active() const {
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return m_active;
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}
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void Spawner::setActive(bool active) {
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m_active = active;
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}
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void Spawner::activateRegion(RectF region) {
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for (auto const& cell : cellIndexesForRange(region)) {
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if (m_facade && m_facade->signalRegion(cellRegion(cell))) {
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if (m_active && !m_activeSpawnCells.contains(cell))
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spawnInCell(cell);
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m_activeSpawnCells[cell] = m_spawnCellLifetime;
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}
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}
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}
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void Spawner::activateEmptyRegion(RectF region) {
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for (auto const& cell : cellIndexesForRange(region))
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m_activeSpawnCells[cell] = m_spawnCellLifetime;
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}
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void Spawner::update() {
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if (!m_facade)
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return;
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for (auto const& window : m_facade->clientWindows()) {
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if (window != RectF())
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activateRegion(window.padded(m_windowActivationBorder));
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}
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eraseWhere(m_activeSpawnCells, [](auto& p) {
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p.second -= WorldTimestep;
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return p.second < 0.0f;
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});
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eraseWhere(m_spawnedEntities, [this](EntityId entityId) {
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auto entity = m_facade->getEntity(entityId);
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if (!entity)
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return true;
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if (!m_activeSpawnCells.contains(cellIndexForPosition(entity->position()))) {
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m_facade->despawnEntity(entity->entityId());
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return true;
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}
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return false;
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});
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if (m_active && m_debug)
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debugShowSpawnCells();
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}
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Vec2I Spawner::cellIndexForPosition(Vec2F const& position) const {
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return Vec2I::floor(position / m_spawnCellSize);
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}
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List<Vec2I> Spawner::cellIndexesForRange(RectF const& range) const {
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List<Vec2I> cellIndexes;
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for (auto srange : m_facade->geometry().splitRect(range)) {
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auto indexes = RectI::integral(RectF(srange).scaled(1.0f / m_spawnCellSize));
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for (int x = indexes.xMin(); x < indexes.xMax(); ++x) {
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for (int y = indexes.yMin(); y < indexes.yMax(); ++y)
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cellIndexes.append({x, y});
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}
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}
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return cellIndexes;
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}
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RectF Spawner::cellRegion(Vec2I const& cellIndex) const {
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return RectF::withSize(Vec2F(cellIndex) * m_spawnCellSize, Vec2F::filled(m_spawnCellSize));
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}
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Maybe<SpawnParameters> Spawner::spawnParametersForCell(Vec2I const& cellIndex) const {
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unsigned emptyCount = 0;
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unsigned nearSurfaceCount = 0;
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unsigned nearCeilingCount = 0;
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unsigned airCount = 0;
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unsigned liquidCount = 0;
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unsigned exposedCount = 0;
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auto region = RectI::withSize(cellIndex * m_spawnCellSize, Vec2I::filled(m_spawnCellSize));
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for (int x = region.xMin(); x < region.xMax(); ++x) {
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for (int y = region.yMin(); y < region.yMax(); ++y) {
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// Only empty blocks count towards spawn totals
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if (m_facade->collision({x, y}) == CollisionKind::None) {
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++emptyCount;
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if (m_facade->liquidLevel({x, y}).level > m_minimumLiquidLevel)
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++liquidCount;
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if (m_facade->isBackgroundEmpty({x, y}))
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++exposedCount;
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// The empty block will will either count as an air block, a
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// "near-surface" block, or a "near-ceiling" block. It will count as a
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// near-surface block if it is within the NearSurfaceDistance of a
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// CollsionKind::Block or CollisionKind::Platform block. If it is not a
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// near-surface block, it will count as a near-ceiling block if it is
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// within the NearCeilingDistance of a CollisionKind::Block.
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bool nearSurface = false;
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for (unsigned sd = 1; sd <= m_spawnCellNearSurfaceDistance; ++sd) {
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auto collision = m_facade->collision({x, y - sd});
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if (BlockCollisionSet.contains(collision) || collision == CollisionKind::Platform) {
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nearSurface = true;
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break;
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}
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}
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bool nearCeiling = false;
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if (!nearSurface) {
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for (unsigned cd = 1; cd <= m_spawnCellNearCeilingDistance; ++cd) {
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auto collision = m_facade->collision({x, y + cd});
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if (BlockCollisionSet.contains(collision)) {
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nearCeiling = true;
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break;
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}
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}
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}
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if (nearSurface)
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++nearSurfaceCount;
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else if (nearCeiling)
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++nearCeilingCount;
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else
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++airCount;
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}
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}
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}
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Set<SpawnParameters::Area> spawnAreas;
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if (liquidCount > m_spawnCellMinimumLiquidTiles)
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spawnAreas.add(SpawnParameters::Area::Liquid);
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if (nearSurfaceCount > m_spawnCellMinimumNearSurfaceTiles)
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spawnAreas.add(SpawnParameters::Area::Surface);
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if (nearCeilingCount > m_spawnCellMinimumNearCeilingTiles)
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spawnAreas.add(SpawnParameters::Area::Ceiling);
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if (airCount > m_spawnCellMinimumAirTiles)
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spawnAreas.add(SpawnParameters::Area::Air);
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if (emptyCount < m_spawnCellMinimumEmptyTiles)
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spawnAreas.add(SpawnParameters::Area::Solid);
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if (spawnAreas.empty())
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return {};
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SpawnParameters::Region spawnRegion = SpawnParameters::Region::Enclosed;
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if (exposedCount >= m_spawnCellMinimumExposedTiles)
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spawnRegion = SpawnParameters::Region::Exposed;
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SpawnParameters::Time spawnTime = SpawnParameters::Time::Night;
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if (m_facade->dayLevel() >= m_minimumDayLevel)
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spawnTime = SpawnParameters::Time::Day;
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return SpawnParameters(spawnAreas, spawnRegion, spawnTime);
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}
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Maybe<Vec2F> Spawner::adjustSpawnRegion(RectF const& spawnRegion, RectF const& boundBox, SpawnParameters const& spawnParameters) const {
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auto checkPosition = [&](Vec2F const& position) -> bool {
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RectF region = RectF(boundBox).translated(position);
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if (!m_facade->isFreeSpace(region))
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return spawnParameters.areas.contains(SpawnParameters::Area::Solid);
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if (m_facade->liquidLevel(Vec2I::floor(region.center())).level >= m_minimumLiquidLevel)
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return spawnParameters.areas.contains(SpawnParameters::Area::Liquid);
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if (m_facade->spawningProhibited(region.padded(m_spawnProhibitedCheckPadding)))
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return false;
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if (spawnParameters.areas.contains(SpawnParameters::Area::Air))
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return true;
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if (spawnParameters.areas.contains(SpawnParameters::Area::Surface)) {
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Vec2F startCheck = {region.center()[0], region.yMin()};
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for (int sd = 0; sd <= m_spawnSurfaceCheckDistance; ++sd) {
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auto collision = m_facade->collision(Vec2I::floor(startCheck - Vec2F(0, sd)));
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if (BlockCollisionSet.contains(collision) || collision == CollisionKind::Platform)
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return true;
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}
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} else if (spawnParameters.areas.contains(SpawnParameters::Area::Ceiling)) {
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Vec2F startCheck = {region.center()[0], region.yMax()};
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for (int cd = 0; cd <= m_spawnCeilingCheckDistance; ++cd) {
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auto collision = m_facade->collision(Vec2I::floor(startCheck + Vec2F(0, cd)));
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if (BlockCollisionSet.contains(collision))
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return true;
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}
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}
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return false;
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};
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List<Vec2F> tryPositions;
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for (float x = spawnRegion.xMin(); x <= spawnRegion.xMax(); x += m_spawnCheckResolution) {
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for (float y = spawnRegion.yMin(); y <= spawnRegion.yMax(); y += m_spawnCheckResolution)
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tryPositions.append({x, y});
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}
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Random::shuffle(tryPositions);
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for (auto const& p : tryPositions) {
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if (checkPosition(p))
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return p;
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}
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return {};
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}
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void Spawner::spawnInCell(Vec2I const& cell) {
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auto cellSpawnParameters = spawnParametersForCell(cell);
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if (!cellSpawnParameters)
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return;
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if (m_debug)
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m_debugSpawnInfo[cell] = SpawnCellDebugInfo{*cellSpawnParameters, 0, 0};
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auto monsterDatabase = Root::singleton().monsterDatabase();
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auto spawnTypeDatabase = Root::singleton().spawnTypeDatabase();
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RectF spawnRegion = cellRegion(cell);
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auto spawnProfile = m_facade->spawnProfile(spawnRegion.center());
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for (auto const& spawnTypeName : spawnProfile.spawnTypes) {
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auto spawnType = spawnTypeDatabase->spawnType(spawnTypeName);
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if (!spawnType.spawnParameters.compatible(*cellSpawnParameters))
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continue;
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if (Random::randf() < spawnType.spawnChance) {
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uint64_t spawnSeed = staticRandomU64(spawnType.seedMix, m_facade->spawnSeed());
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int targetGroupSize = Random::randInt(spawnType.groupSize[0], spawnType.groupSize[1]);
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for (int i = 0; i < targetGroupSize; ++i) {
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String monsterType;
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if (auto monsterPool = spawnType.monsterType.maybe<WeightedPool<String>>())
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monsterType = monsterPool->select();
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else
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monsterType = spawnType.monsterType.get<String>();
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auto monsterVariant = monsterDatabase->monsterVariant(monsterType, spawnSeed, spawnType.monsterParameters);
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auto monsterBoundBox = monsterVariant.movementSettings.standingPoly->boundBox();
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if (m_debug)
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m_debugSpawnInfo[cell].spawnAttempts++;
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if (auto position = adjustSpawnRegion(spawnRegion, monsterBoundBox, spawnType.spawnParameters)) {
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float level = m_facade->threatLevel();
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if (m_facade->dayLevel() >= m_minimumDayLevel)
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level += Random::randf(spawnType.dayLevelAdjustment[0], spawnType.dayLevelAdjustment[1]);
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else
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level += Random::randf(spawnType.nightLevelAdjustment[0], spawnType.nightLevelAdjustment[1]);
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auto spawnProfile = m_facade->spawnProfile(*position);
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auto entity = monsterDatabase->createMonster(monsterVariant, level, spawnProfile.monsterParameters);
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entity->setPosition(*position);
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entity->setKeepAlive(true);
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auto entityId = m_facade->spawnEntity(entity);
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if (entityId != NullEntityId)
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m_spawnedEntities.add(entityId);
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if (m_debug)
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m_debugSpawnInfo[cell].spawns++;
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}
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}
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}
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}
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}
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void Spawner::debugShowSpawnCells() {
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eraseWhere(m_debugSpawnInfo, [this](auto& p) {
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return !m_activeSpawnCells.contains(p.first);
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});
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auto regionVisibleToClient = [this](RectF const& region) {
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for (auto const& window : m_facade->clientWindows()) {
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if (m_facade->geometry().rectIntersectsRect(window, region))
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return true;
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}
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return false;
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};
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for (auto const& debugInfo : m_debugSpawnInfo) {
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RectF spawnRegion = Spawner::cellRegion(debugInfo.first);
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if (regionVisibleToClient(spawnRegion)) {
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SpatialLogger::logPoly("world", PolyF(spawnRegion), {128, 0, 0, 255});
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StringList areaList;
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for (auto area : debugInfo.second.spawnParameters.areas)
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areaList.append(SpawnParameters::AreaNames.getRight(area).slice(0, 3));
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SpatialLogger::logText("world", strf("Areas: %s", areaList.join(", ")), spawnRegion.min() + Vec2F(0.5, 2.5), {255, 255, 255, 255});
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SpatialLogger::logText("world", strf("Region: %s", SpawnParameters::RegionNames.getRight(debugInfo.second.spawnParameters.region)), spawnRegion.min() + Vec2F(0.5, 1.5), {255, 255, 255, 255});
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SpatialLogger::logText("world", strf("Time: %s", SpawnParameters::TimeNames.getRight(debugInfo.second.spawnParameters.time)), spawnRegion.min() + Vec2F(0.5, 0.5), {255, 255, 255, 255});
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if (debugInfo.second.spawnAttempts > 0)
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SpatialLogger::logText("world", strf("Spawns: %s / %s", debugInfo.second.spawns, debugInfo.second.spawnAttempts), spawnRegion.min() + Vec2F(0.5, 3.5), (debugInfo.second.spawnAttempts > debugInfo.second.spawns) ? Color::Red.toRgba() : Color::Green.toRgba());
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}
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}
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}
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}
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