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dota_factory/src/lib/sim/BuildingSystem.h

145 lines
6.3 KiB
C++

#pragma once
#include <deque>
#include <functional>
#include <map>
#include <optional>
#include <random>
#include <string>
#include <utility>
#include <vector>
#include <QPoint>
#include <QVector2D>
#include "BeltSystem.h"
#include "Building.h"
#include "BuildingType.h"
#include "BuildingId.h"
#include "GameConfig.h"
#include "Rotation.h"
#include "ModulesConfig.h"
#include "ShipLayout.h"
#include "ShipsConfig.h"
#include "Tick.h"
// Manages building placement, construction queuing, and the per-tick
// production loop (belt→building pull, production, building→belt push).
// All types including Belt and Splitter are stored as Building instances;
// BeltSystem owns the per-tile simulation data (item slots, flow).
class BuildingSystem
{
public:
BuildingSystem(const GameConfig& config,
BeltSystem& belts,
std::function<BuildingId()> allocateBuildingId,
std::function<void(int)> addBuildingBlocks,
std::function<void(const std::string&, QVector2D,
const std::optional<ShipLayoutConfig>&)> spawnShip,
std::mt19937& rng);
// -- Placement / demolish ------------------------------------------------
// Returns the new entity id. Belt and Splitter register with BeltSystem
// directly; other types enter the construction queue.
BuildingId place(BuildingType type, QPoint anchor, Rotation rotation,
Tick currentTick);
// Remove a building or construction site by id. Returns the refund in
// building blocks (floor(cost * refundPercentage / 100)). Returns 0 for
// unknown ids.
int demolish(BuildingId id);
// Set the recipe (or schematic id for shipyard) on a building or queued
// construction site. Clears both buffers on an operational building.
void setRecipe(BuildingId id, const std::string& recipeId);
// Set the module layout for a shipyard. Cancels in-progress production
// (materials discarded) and reinitializes input buffers (REQ-BLD-SHIPYARD).
void setShipLayout(BuildingId id, const ShipLayoutConfig& layout);
// -- Tick hooks (called from Simulation::tick in the documented order) ---
void tickConstruction(Tick currentTick);
void tickBeltPull();
void tickProduction(Tick currentTick);
void tickShipyardProduction(Tick currentTick);
void tickBeltPush();
// -- Queries -------------------------------------------------------------
struct BeltTileInfo
{
BuildingId buildingId;
QPoint tile;
BuildingType type; // Belt or Splitter
Rotation directionA; // Belt: its direction; Splitter: first output
Rotation directionB; // Splitter: second output; Belt: same as directionA
};
const Building* findBuilding(BuildingId id) const;
const ConstructionSite* findSite(BuildingId id) const;
std::vector<Building> allBuildings() const;
std::vector<ConstructionSite> allSites() const;
std::vector<BeltTileInfo> allBeltTiles() const;
bool isTileOccupied(QPoint tile) const;
// Returns the entity id of the building or construction site whose footprint
// exactly coincides with the ghost (type, anchor, rot) and is of the same
// building type. Returns nullopt otherwise.
std::optional<BuildingId> findRotateInPlaceTarget(BuildingType type,
QPoint anchor,
Rotation rot) const;
// Rotate an existing building or construction site to newRotation in place.
// For belt-type operational buildings, re-registers with BeltSystem (items
// currently on the tile are discarded by BeltSystem::removeTile).
void rotateInPlace(BuildingId id, Rotation newRotation);
// Find nearest operational building of the given type; nullptr if none.
const Building* findNearestBuilding(QVector2D worldPos, BuildingType type) const;
// Register / unregister tile occupancy for ECS station entities.
void registerTileOccupancy(const std::vector<QPoint>& cells, BuildingId ownerPlaceholder);
void unregisterTileOccupancy(const std::vector<QPoint>& cells);
// Place one "scrap" item into a SalvageBay's output buffer.
// Returns false if bay not found, wrong type, or output buffer is full.
bool deliverScrapToSalvageBay(BuildingId bayId);
// Bypass the construction queue and create a fully-operational Building
// immediately. Used for pre-placed structures (HQ, defence stations).
// surfaceMask comes from the relevant config struct.
BuildingId placeImmediate(BuildingType type,
const std::vector<std::string>& surfaceMask,
QPoint anchor, Rotation rotation);
// Remove an operational building by id without refund (used for deaths).
// Returns true if found and removed.
bool removeBuilding(BuildingId id);
// Mutable iteration over all operational buildings.
void forEachBuilding(std::function<void(Building&)> fn);
private:
const BuildingDef* findBuildingDef(BuildingType type) const;
const RecipeDef* findRecipe(const std::string& id, BuildingType type) const;
const ShipDef* findShipDef(const std::string& id) const;
const ModuleDef* findModuleDef(const std::string& id) const;
void initBuffers(Building& b, const RecipeDef& recipe) const;
void initShipyardBuffers(Building& b) const;
std::vector<Port> computeInputPorts(const Building& b) const;
std::vector<Item> rollReprocessingOutput(const RecipeDef& recipe);
const GameConfig& m_config;
BeltSystem& m_belts;
std::function<BuildingId()> m_allocateBuildingId;
std::function<void(int)> m_addBuildingBlocks;
std::function<void(const std::string&, QVector2D,
const std::optional<ShipLayoutConfig>&)> m_spawnShip;
std::mt19937& m_rng;
std::vector<Building> m_buildings;
std::deque<ConstructionSite> m_constructionQueue;
// Maps every occupied body-cell coordinate to the entity that owns it.
std::map<std::pair<int, int>, BuildingId> m_tileOccupancy;
};