Replace mesh generation counter with afterChange event

4 files changed, 10 insertions, 11 deletions

diff --git a/game/geoData.cpp b/game/geoData.cpp
index a1d9762..e035a3c 100644
--- a/game/geoData.cpp
+++ b/game/geoData.cpp
@@ -64,7 +64,6 @@ GeoData::loadFromAsciiGrid(const std::filesystem::path & input)
 			});
 		}
 	}
-	mesh.generation++;
 	mesh.updateAllVertexNormals();
 
 	return mesh;
@@ -105,7 +104,6 @@ GeoData::createFlat(GlobalPosition2D lower, GlobalPosition2D upper, GlobalDistan
 	}
 
 	mesh.updateAllVertexNormals();
-	mesh.generation++;
 
 	return mesh;
 }
@@ -526,12 +524,11 @@ GeoData::setHeights(const std::span<const GlobalPosition3D> triangleStrip, const
 	}
 
 	updateAllVertexNormals(newOrChangedVerts);
-	generation++;
+	afterChange();
 	return out;
 }
 
-size_t
-GeoData::getGeneration() const
+void
+GeoData::afterChange()
 {
-	return generation;
 }
diff --git a/game/geoData.h b/game/geoData.h
index d486f22..3d5ea5d 100644
--- a/game/geoData.h
+++ b/game/geoData.h
@@ -56,7 +56,6 @@ public:
 	};
 
 	std::vector<FaceHandle> setHeights(std::span<const GlobalPosition3D> triangleStrip, const SetHeightsOpts &);
-	[[nodiscard]] size_t getGeneration() const;
 
 	[[nodiscard]] auto
 	getExtents() const
@@ -77,8 +76,8 @@ protected:
 	void updateAllVertexNormals();
 	template<std::ranges::range R> void updateAllVertexNormals(const R &);
 	void updateVertexNormal(VertexHandle);
+	virtual void afterChange();
 
 private:
 	GlobalPosition3D lowerExtent {}, upperExtent {};
-	size_t generation {};
 };
diff --git a/game/terrain.cpp b/game/terrain.cpp
index 786b9b0..01af163 100644
--- a/game/terrain.cpp
+++ b/game/terrain.cpp
@@ -56,10 +56,12 @@ Terrain::generateMeshes()
 void
 Terrain::tick(TickDuration)
 {
-	if (const auto newGeneration = getGeneration(); newGeneration != geoGeneration) {
+}
+
+void
+Terrain::afterChange()
+{
 		generateMeshes();
-		geoGeneration = newGeneration;
-	}
 }
 
 void
diff --git a/game/terrain.h b/game/terrain.h
index 7464bdd..f0f9621 100644
--- a/game/terrain.h
+++ b/game/terrain.h
@@ -30,6 +30,7 @@ public:
 	};
 
 private:
+	void afterChange() override;
 	void generateMeshes();
 
 	Collection<MeshT<Vertex>, false> meshes;