From 4ca453e2272beed121b957244408a61b0b0d8b9b Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Sat, 15 Aug 2009 08:18:13 +0000
Subject: don't render entites behind the camera

---
 src/render/renderext.cc | 55 +++++++++++++++++++++++++++++--------------------
 1 file changed, 33 insertions(+), 22 deletions(-)

(limited to 'src/render/renderext.cc')

diff --git a/src/render/renderext.cc b/src/render/renderext.cc
index b0462d4..b743686 100644
--- a/src/render/renderext.cc
+++ b/src/render/renderext.cc
@@ -41,7 +41,7 @@ RenderExt::RenderExt(core::Entity *entity) : core::Extension(core::Extension::Re
 			// load light texture
 			std::stringstream flarename;
 			flarename << "textures/fx/flare" << std::setfill('0') << std::setw(2) << light->flare();
-			light->render_texture = Textures::load(flarename.str());
+			light->set_texture(Textures::load(flarename.str()));
 		}
 
 		for (model::Model::Flares::iterator flit = model->flares().begin(); flit != model->flares().end(); flit++) {
@@ -50,7 +50,7 @@ RenderExt::RenderExt(core::Entity *entity) : core::Extension(core::Extension::Re
 			// load flare texture
 			std::stringstream flarename;
 			flarename << "textures/fx/flare" << std::setfill('0') << std::setw(2) << flare->flare();
-			flare->render_texture = Textures::load(flarename.str());
+			flare->set_texture(Textures::load(flarename.str()));
 		}
 
 		for(model::Model::ParticleSystems::iterator pit = model->particles().begin(); pit != model->particles().end(); pit++) {
@@ -103,6 +103,10 @@ void RenderExt::frame(float elapsed)
 
 	state_visible = entity()->visible();
 	state_detailvisible = false;
+	state_behind = false;
+
+	if (!state_visible)
+		return;
 
 	if ((entity()->type() == core::Entity::Controlable)) {
 		if (static_cast<core::EntityDynamic *>(entity())->state() == core::Entity::Docked) {
@@ -111,37 +115,44 @@ void RenderExt::frame(float elapsed)
 		}
 	}
 
-	if (state_visible && entity()->model()) {
+	if (!entity()->model())
+		return;
 
-		if (distance() < core::range::fxdistance) {
-			// entity within detail range
-			state_visible = true;
-			state_detailvisible = true;
+	if (distance() < core::range::fxdistance) {
+		// entity within detail range
+		state_visible = true;
+		state_detailvisible = true;
+
+	} else if (distance() < core::range::maxdistance) {
+
+		// funky radius factor
+		float r = entity()->model()->radius();
+		math::clamp(r, entity()->model()->radius(), core::range::maxdistance / core::range::fxdistance);
 
-		} else if (distance() < core::range::maxvisible) {
+		if (distance() < core::range::fxdistance * r) {
 			// entity within drawing distance, outside detail range
 			state_visible = true;
 			state_detailvisible = false;
 
-		} else if (distance() < core::range::maxdistance) {
-
-			if ((entity()->type() == core::Entity::Controlable)) {
-				// controlable entity out of range
-				state_visible = false;
-				state_detailvisible = false;
-			} else {
-				// entity within drawing distance, outside detail range
-				state_visible = true;
-				state_detailvisible = false;
-
-			}
 		} else {
-			// entity out of range
-			state_visible = false;
+			// entity within drawing distance, outside detail range
+			state_visible = true;
 			state_detailvisible = false;
 		}
+		
+	} else {
+		// entity out of range
+		state_visible = false;
+		state_detailvisible = false;
+		return;
 	}
 
+	if (math::dotproduct(Camera::axis().forward(), entity()->location() + Camera::axis().forward() * entity()->radius() - Camera::eye()) < 0.0f) {
+		state_behind = true;
+	}
+
+	
+
 }
 
 } // namespace render
-- 
cgit v1.2.3