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share BuildingSystem's free functions instead of copying them

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mlangkabel
2026-08-04 18:24:38 +02:00
parent bd344e4fbe
commit 3990351a16
7 changed files with 80 additions and 85 deletions
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52
src/lib/sim/BuildingSystem.cpp
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@@ -6,63 +6,13 @@
#include <random>
#include <set>
#include "PortGeometry.h"
#include "StateChecksum.h"
#include "SurfaceMask.h"
#include "tracing.h"
namespace
{
// Smelter and Reprocessing Plant have no player-selected recipe
// (REQ-BLD-SMELTER, REQ-BLD-REPROCESSING). They auto-process whatever inputs
// they receive, matching against every recipe of their building type.
bool isAutoRecipeBuildingType(BuildingType type)
{
return type == BuildingType::Smelter
|| type == BuildingType::ReprocessingPlant;
}
// Belts, splitters, and tunnel ends keep their runtime data in the belt subsystem
// rather than in the Building instance, so placing/removing them must register or
// unregister a tile with BeltSystem.
bool isBeltSubsystemType(BuildingType type)
{
return type == BuildingType::Belt
|| type == BuildingType::Splitter
|| type == BuildingType::TunnelEntry
|| type == BuildingType::TunnelExit;
}
// The building body tile that owns an output port, given the port's outside tile
// (port.tile) and its facing direction. The virtual output belt occupies this tile
// and flows toward port.tile (REQ-MAT-OUTPUT-EMERGE).
QPoint outputBodyTile(QPoint portTile, Rotation direction)
{
switch (direction)
{
case Rotation::East: return portTile + QPoint(-1, 0);
case Rotation::West: return portTile + QPoint( 1, 0);
case Rotation::North: return portTile + QPoint( 0, 1);
case Rotation::South: return portTile + QPoint( 0, -1);
}
return portTile;
}
// The building body tile an input port feeds into, given the port's outside belt
// tile (port.tile) and its inward flow direction. The virtual input belt occupies
// this tile and flows from the outer edge (progress 0.0) to the centre (0.5)
// (REQ-MAT-INPUT-INTAKE).
QPoint inputBodyTile(QPoint portTile, Rotation inwardDirection)
{
switch (inwardDirection)
{
case Rotation::East: return portTile + QPoint( 1, 0);
case Rotation::West: return portTile + QPoint(-1, 0);
case Rotation::North: return portTile + QPoint( 0, -1);
case Rotation::South: return portTile + QPoint( 0, 1);
}
return portTile;
}
// An input belt accepts a new item at progress 0.0 only when it holds fewer than
// three items and the entry slot is clear (nothing within a quarter tile of 0.0),
// matching the belt packing used elsewhere (REQ-GW-BELT-CAPACITY).