From 9fd25e8b10b1291525a18c8b3e34256ca6151dd6 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sat, 22 Mar 2025 11:50:31 +0000
Subject: Add ManyPtr which tracks specified subclasses

This removes the need to repeated dynamic_cast the pointer.
Provides interface which enforces the fastest option for the required
types.
---
 application/main.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'application/main.cpp')

diff --git a/application/main.cpp b/application/main.cpp
index 723f3d2..514fab6 100644
--- a/application/main.cpp
+++ b/application/main.cpp
@@ -86,7 +86,7 @@ public:
 			}
 
 			const std::shared_ptr<Train> train = world.create<Train>(l3, 800000);
-			auto b47 = std::dynamic_pointer_cast<RailVehicleClass>(assets.at("brush-47"));
+			auto b47 = assets.at("brush-47").dynamicCast<RailVehicleClass>();
 			for (int N = 0; N < 6; N++) {
 				train->create<RailVehicle>(b47);
 			}
@@ -101,8 +101,9 @@ public:
 			std::uniform_int_distribution<int> treeVariantDistribution {1, 4};
 			for (auto x = 311000000; x < 311830000; x += 5000) {
 				for (auto y = 491100000; y < 491130000; y += 5000) {
-					world.create<Plant>(std::dynamic_pointer_cast<Foliage>(assets.at(std::format("Tree-{:#02}-{}",
-												treeDistribution(randomdev), treeVariantDistribution(randomdev)))),
+					world.create<Plant>(assets.at(std::format("Tree-{:#02}-{}", treeDistribution(randomdev),
+														  treeVariantDistribution(randomdev)))
+												.dynamicCast<Foliage>(),
 							Location {terrain->positionAt({{x + positionOffsetDistribution(randomdev),
 											  y + positionOffsetDistribution(randomdev)}}),
 									{0, rotationDistribution(randomdev), 0}});
-- 
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