From c3d90b226bdd83592d08704aa918f155f4c757e2 Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Fri, 18 Jul 2008 22:07:46 +0000
Subject: reset spacedust on ship change, audio distance model changes (should
 fix win32 ui sound dissapearing in the distance)

---
 src/render/draw.cc |  6 ++++++
 src/render/draw.h  |  3 +++
 src/render/dust.cc | 36 +++++++++++++++++-------------------
 src/render/dust.h  |  2 ++
 4 files changed, 28 insertions(+), 19 deletions(-)

(limited to 'src/render')

diff --git a/src/render/draw.cc b/src/render/draw.cc
index 1f920b0..8855343 100644
--- a/src/render/draw.cc
+++ b/src/render/draw.cc
@@ -889,4 +889,10 @@ void draw(float seconds)
 	// GL_BLEND must be enabled for the GUI
 }
 
+// reset drawing parameters for a new localcontrol
+void reset()
+{
+	Dust::reset();
+}
+
 }
diff --git a/src/render/draw.h b/src/render/draw.h
index ee9db26..89c5ea7 100644
--- a/src/render/draw.h
+++ b/src/render/draw.h
@@ -16,6 +16,9 @@ namespace render
 /// draw the world
 void draw(float seconds);
 
+/// reset
+void reset();
+
 /// draw a sphere
 void draw_sphere(math::Color const & color, float radius);
 
diff --git a/src/render/dust.cc b/src/render/dust.cc
index b9e53a5..37dd217 100644
--- a/src/render/dust.cc
+++ b/src/render/dust.cc
@@ -17,11 +17,11 @@ namespace render
 core::Cvar *r_dust;
 core::Cvar *r_dustsize;
 
-const float MAXDUSTDISTANCE = 8.0f;
-const float MINDUSTDISTANCE = 6.0f;
 const float LOWSPEEDLIMIT = 5.0f;
 const float TRAILLENGHT = 0.25f;
-const float MAXDUSTALPHA = 0.8f;
+const float DUSTMAXALPHA = 0.8f;
+const float DUSTDISTANCE = 8.0f;
+
 float	*dust;
 size_t dustsize;
 
@@ -46,6 +46,12 @@ void Dust::shutdown()
 	}
 }
 
+void Dust::reset()
+{
+	delete dust;
+	dust = 0;
+}
+
 void Dust::draw()
 {
 	if (!r_dust->value()) {
@@ -83,9 +89,9 @@ void Dust::draw()
 		dust = new float[dustsize*3];
 
 		for (size_t i = 0; i < dustsize; i++) {
-			dust[i*3] = core::localcontrol()->location().x +  (math::randomf(2) - 1) * MINDUSTDISTANCE;
-			dust[i*3+1] = core::localcontrol()->location().y + (math::randomf(2) - 1) * MINDUSTDISTANCE;
-			dust[i*3+2] = core::localcontrol()->location().z + (math::randomf(2) - 1) * MINDUSTDISTANCE;
+			dust[i*3] = core::localcontrol()->location().x +  (math::randomf(2) - 1) * (DUSTDISTANCE + core::localcontrol()->radius());
+			dust[i*3+1] = core::localcontrol()->location().y + (math::randomf(2) - 1) * (DUSTDISTANCE + core::localcontrol()->radius());
+			dust[i*3+2] = core::localcontrol()->location().z + (math::randomf(2) - 1) * (DUSTDISTANCE + core::localcontrol()->radius());
 		}
 	}
 
@@ -96,7 +102,7 @@ void Dust::draw()
 	if (core::localcontrol()->speed() < LOWSPEEDLIMIT) {
 		color.a = core::localcontrol()->speed() / LOWSPEEDLIMIT;
 	}
-	color.a	*= MAXDUSTALPHA;
+	color.a	*= DUSTMAXALPHA;
 
 	gl::color(color);
 	gl::begin(gl::Lines);
@@ -107,19 +113,11 @@ void Dust::draw()
 		for (size_t j = 0; j < 3; j++)
 			v[j] -=  dust[i*3+j];
 
-		if (v.lengthsquared() > (core::localcontrol()->radius() + MAXDUSTDISTANCE)*(core::localcontrol()->radius() + MAXDUSTDISTANCE)) {
-/*
-			v.assign(core::localcontrol()->state()->location());
-			v += core::localcontrol()->state()->axis().forward() * (core::localcontrol()->radius() + math::randomf(MAXDUSTDISTANCE));
-			v += core::localcontrol()->state()->axis().left() *  (math::randomf(2*MINDUSTDISTANCE) - MINDUSTDISTANCE);
- 			v += core::localcontrol()->state()->axis().up() *  (math::randomf(2*MINDUSTDISTANCE) - MINDUSTDISTANCE);
+		if (v.lengthsquared() > (core::localcontrol()->radius() + DUSTDISTANCE)*(core::localcontrol()->radius() + DUSTDISTANCE)) {
 
-			for (size_t j = 0; j < 3; j++)
-				dust[i*3+j] = v[j];
-*/
-			dust[i*3] = core::localcontrol()->location().x +  (math::randomf(2) - 1) * (MAXDUSTDISTANCE + core::localcontrol()->radius());
-			dust[i*3+1] = core::localcontrol()->location().y + (math::randomf(2) - 1) * (MAXDUSTDISTANCE + core::localcontrol()->radius());
-			dust[i*3+2] = core::localcontrol()->location().z + (math::randomf(2) - 1) * (MAXDUSTDISTANCE + core::localcontrol()->radius());
+			dust[i*3] = core::localcontrol()->location().x +  (math::randomf(2) - 1) * (DUSTDISTANCE + core::localcontrol()->radius());
+			dust[i*3+1] = core::localcontrol()->location().y + (math::randomf(2) - 1) * (DUSTDISTANCE + core::localcontrol()->radius());
+			dust[i*3+2] = core::localcontrol()->location().z + (math::randomf(2) - 1) * (DUSTDISTANCE + core::localcontrol()->radius());
 		}
 
 		glVertex3fv(dust+3*i);
diff --git a/src/render/dust.h b/src/render/dust.h
index 031743e..6a4b455 100644
--- a/src/render/dust.h
+++ b/src/render/dust.h
@@ -20,6 +20,8 @@ public:
 	static void shutdown();
 
 	static void draw();
+
+	static void reset();
 };
 
 }
-- 
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