From 2a9f378c66b28cef1c5ee063cf4d7e4e2889076e Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Mon, 13 Feb 2023 22:52:18 +0100
Subject: Created sim::State object to hold overall state of simulation

This is seems like it creats even more chaotic binding between the
components but it is a very nice and testable intermediate step
before moving everything to standalone systems and shoving state into
the... well, State.
---
 sim/src/BaseBattle.cpp | 44 ++++++++++++--------------------------------
 1 file changed, 12 insertions(+), 32 deletions(-)

(limited to 'sim/src/BaseBattle.cpp')

diff --git a/sim/src/BaseBattle.cpp b/sim/src/BaseBattle.cpp
index 888379e..916a9f8 100644
--- a/sim/src/BaseBattle.cpp
+++ b/sim/src/BaseBattle.cpp
@@ -7,6 +7,7 @@
 
 #include <kurator/engine/Context.h>
 #include <kurator/campaign/Scenario.h>
+#include <kurator/sim.h>
 #include <kurator/sim/components.h>
 #include <kurator/sim/FloatingMovement.h>
 #include <kurator/sim/systems.h>
@@ -23,45 +24,24 @@ namespace sim
 {
 
 
-static void setup_scenario(entt::registry& registry, const campaign::Scenario& scenario);
-
-
-BaseBattle::BaseBattle(const campaign::Scenario& scenario) :
-	_registry {}
-{
-	setup_scenario(_registry, scenario);
-	manager.extend(_registry);
-}
-
-
-void
-setup_scenario(entt::registry& registry, const campaign::Scenario& scenario)
+BaseBattle::BaseBattle(const campaign::Scenario& scenario)
 {
-	RandomSpawner spawner {scenario.last_team(), scenario.radius, 0.1};
-	Builder build {registry, spawner};
-	for (const auto& ship : scenario.ships) {
-		const auto entity = build(ship.loadout.type, ship.team);
-		registry.emplace<universe::UniqueIdentifier>(entity, ship.identifier);
-		auto& state = registry.get<AIState>(entity);
-		for (const auto& turret_type : ship.loadout.turrets) {
-			build(turret_type, entity);
-			state.keep_at_range = std::min(state.keep_at_range, turret_type.optimal_range);
-		}
-	}
+	load_scenario(state, scenario);
+	manager.extend(state.registry);
 }
 
 
-entt::registry&
-BaseBattle::registry()
+engine::Context
+BaseBattle::context()
 {
-	return _registry;
+	return state;
 }
 
 
-entt::dispatcher&
-BaseBattle::dispatcher()
+engine::ConstContext
+BaseBattle::const_context() const
 {
-	return _dispatcher;
+	return state;
 }
 
 
@@ -80,9 +60,9 @@ BaseBattle::update(engine::Context& ctx)
 void
 BaseBattle::pick_random_targets()
 {
-	auto view = _registry.view<Team, AIState>();
+	auto view = state.registry.view<Team, AIState>();
 	for (auto&& [entity, team, ai] : view.each()) {
-		if (!_registry.valid(ai.target))
+		if (!state.registry.valid(ai.target))
 			ai.target = manager.random(team.id);
 	}
 }
-- 
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