From 253473c9f0cc96d90375ef440818b71dfed49869 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tur=C3=A1nszki=20J=C3=A1nos?=
 <turanszkij@users.noreply.github.com>
Date: Sun, 19 Nov 2023 08:14:57 +0100
Subject: [PATCH] emitter: zero delta time fix

---
 WickedEngine/wiEmittedParticle.cpp | 5 +++--
 WickedEngine/wiEmittedParticle.h   | 1 +
 WickedEngine/wiVersion.cpp         | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/WickedEngine/wiEmittedParticle.cpp b/WickedEngine/wiEmittedParticle.cpp
index 550a3ad0a..7dfd6b339 100644
--- a/WickedEngine/wiEmittedParticle.cpp
+++ b/WickedEngine/wiEmittedParticle.cpp
@@ -328,6 +328,7 @@ namespace wi
 
 	void EmittedParticleSystem::UpdateCPU(const TransformComponent& transform, float dt)
 	{
+		this->dt = dt;
 		CreateSelfBuffers();
 
 		if (IsPaused() || dt == 0)
@@ -374,7 +375,7 @@ namespace wi
 		GraphicsDevice* device = wi::graphics::GetDevice();
 		device->EventBegin("UpdateEmittedParticles", cmd);
 
-		if (!IsPaused())
+		if (!IsPaused() && dt > 0)
 		{
 			EmittedParticleCB cb;
 			cb.xEmitterTransform.Create(worldMatrix);
@@ -698,7 +699,7 @@ namespace wi
 			wi::gpusortlib::Sort(MAX_PARTICLES, distanceBuffer, counterBuffer, PARTICLECOUNTER_OFFSET_CULLEDCOUNT, culledIndirectionBuffer, cmd);
 		}
 
-		if (!IsPaused())
+		if (!IsPaused() && dt > 0)
 		{
 			// finish updating, update draw argument buffer:
 			device->EventBegin("FinishUpdate", cmd);
diff --git a/WickedEngine/wiEmittedParticle.h b/WickedEngine/wiEmittedParticle.h
index 94c708b24..73d6a0551 100644
--- a/WickedEngine/wiEmittedParticle.h
+++ b/WickedEngine/wiEmittedParticle.h
@@ -60,6 +60,7 @@ namespace wi
 
 		float emit = 0.0f;
 		int burst = 0;
+		float dt = 0;
 
 		uint32_t MAX_PARTICLES = 1000;
 
diff --git a/WickedEngine/wiVersion.cpp b/WickedEngine/wiVersion.cpp
index fd5e73c57..fe8ce5432 100644
--- a/WickedEngine/wiVersion.cpp
+++ b/WickedEngine/wiVersion.cpp
@@ -9,7 +9,7 @@ namespace wi::version
 	// minor features, major updates, breaking compatibility changes
 	const int minor = 71;
 	// minor bug fixes, alterations, refactors, updates
-	const int revision = 347;
+	const int revision = 348;
 
 	const std::string version_string = std::to_string(major) + "." + std::to_string(minor) + "." + std::to_string(revision);