Malte Langkabel
256c4b5492
Asking whether an entity has components does not write to the registry, and entt's all_of is const. Callers that only read were forced to take the admin -- and through it the whole simulation -- by non-const reference to ask; the selection bounds helpers now say what they mean. Widening a member to const breaks nothing: every existing caller still binds. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01JcReq7hVk4KUPhTDKWAG7K
49 lines
2.2 KiB
C++
49 lines
2.2 KiB
C++
#pragma once
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#include <optional>
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#include <vector>
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#include <QRect>
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#include "entt/entity/entity.hpp"
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#include "BuildingId.h"
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class EntityAdmin;
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class Simulation;
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class WorldCoordinates;
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struct FactoryState;
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// Where selectable objects are on the screen. The world renderer draws every selection
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// outline from these rectangles, and the selection panel is placed beside the one that
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// covers the whole selection (REQ-UI-SELECTION-PANEL).
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//
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// All of them are in the game world view's own widget coordinates, and all of them are
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// only true for the WorldCoordinates they were asked for: the transform is a value built
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// per frame or per event, so a rectangle does not survive a scroll or a resize.
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// The footprint of a building or of a construction site (REQ-UI-SELECTION-CARD). Null
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// when the id names neither, which is what a deconstruction under the caller looks like.
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std::optional<QRectF> getBuildingWidgetRect(const FactoryState& state,
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const WorldCoordinates& coordinates,
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BuildingId id);
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// The body of a ship or of a defence station (REQ-UI-ENTITY-CLICK-SELECT): a station's
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// footprint, or the square the ship's triangle is drawn in.
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std::optional<QRectF> getActorWidgetRect(const EntityAdmin& admin,
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const WorldCoordinates& coordinates,
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entt::entity actor);
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// The circle a piece of debris is drawn as (REQ-UI-DEBRIS-CLICK-SELECT).
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std::optional<QRectF> getDebrisWidgetRect(const EntityAdmin& admin,
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const WorldCoordinates& coordinates,
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entt::entity debris);
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// The rectangle covering a whole selection -- one object, or the bounding box of all of
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// them (REQ-UI-SELECTION-PANEL). Objects that no longer resolve are skipped; the result
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// is null when none of them does.
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QRect getSelectionWidgetRect(const Simulation& sim, const WorldCoordinates& coordinates,
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const std::vector<BuildingId>& buildings,
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const std::vector<entt::entity>& actors,
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const std::vector<entt::entity>& debris);
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