From 4b0bc220e4da1173f742a4973939b139bef562db Mon Sep 17 00:00:00 2001
From: Kae <80987908+Novaenia@users.noreply.github.com>
Date: Fri, 21 Jul 2023 00:58:49 +1000
Subject: Support for changing the game's timescale

Context-specific (like per-world) timescales can also be added later
---
 source/game/scripting/StarLuaComponents.hpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'source/game/scripting/StarLuaComponents.hpp')

diff --git a/source/game/scripting/StarLuaComponents.hpp b/source/game/scripting/StarLuaComponents.hpp
index bc00309..7e30c39 100644
--- a/source/game/scripting/StarLuaComponents.hpp
+++ b/source/game/scripting/StarLuaComponents.hpp
@@ -130,6 +130,7 @@ public:
   LuaUpdatableComponent();
 
   unsigned updateDelta() const;
+  float updateDt(float dt) const;
   float updateDt() const;
   void setUpdateDelta(unsigned updateDelta);
 
@@ -142,6 +143,7 @@ public:
 
 private:
   Periodic m_updatePeriodic;
+  mutable float m_lastDt;
 };
 
 // Wraps a basic lua component so that world callbacks are added on init, and
@@ -252,11 +254,18 @@ unsigned LuaUpdatableComponent<Base>::updateDelta() const {
   return m_updatePeriodic.stepCount();
 }
 
+template <typename Base>
+float LuaUpdatableComponent<Base>::updateDt(float dt) const {
+  m_lastDt = dt;
+  return m_updatePeriodic.stepCount() * dt;
+}
+
 template <typename Base>
 float LuaUpdatableComponent<Base>::updateDt() const {
-  return m_updatePeriodic.stepCount() * WorldTimestep;
+  return m_updatePeriodic.stepCount() * m_lastDt;
 }
 
+
 template <typename Base>
 void LuaUpdatableComponent<Base>::setUpdateDelta(unsigned updateDelta) {
   m_updatePeriodic.setStepCount(updateDelta);
-- 
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