From dd16796ac3ef352a5ff404373b568dd00ef74936 Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Wed, 12 Nov 2008 18:24:36 +0000
Subject: add star corona

---
 src/render/draw.cc | 48 ++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 44 insertions(+), 4 deletions(-)

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

diff --git a/src/render/draw.cc b/src/render/draw.cc
index 1b1262f..96bc632 100644
--- a/src/render/draw.cc
+++ b/src/render/draw.cc
@@ -17,6 +17,7 @@
 #include "render/draw.h"
 #include "render/dust.h"
 #include "render/gl.h"
+#include "math/functions.h"
 
 namespace render
 {
@@ -272,7 +273,7 @@ void draw_globe(core::EntityGlobe *globe)
 		gl::disable(GL_LIGHTING);	
 	} else {
 		// disable camera light, level light only
-		gl::disable(GL_LIGHT0);			
+		gl::disable(GL_LIGHT0);
 	}
 
 	if (globe->render_texture) {
@@ -298,16 +299,55 @@ void draw_globe(core::EntityGlobe *globe)
 			glLightfv(GL_LIGHT1, GL_POSITION, fake_light);
 		}
 	}
-
 	gl::push();
 	gl::translate(location);
+
+	if(flag_is_set(globe->flags(), core::Entity::Bright)) {
+		
+		if (!globe->render_texture) {
+			gl::enable(GL_TEXTURE_2D);
+		}		
+		Textures::bind("bitmaps/fx/corona");
+	
+		if (globe->state()->distance() <= farplane) {
+			gl::depthmask(GL_FALSE);
+		}
+		gl::color(globe->color());
+		globe->color().a = 1.0f;
+		gl::enable(GL_BLEND);	
+		
+		gl::begin(gl::Quads);
+		glTexCoord2f(0,1);
+		gl::vertex((Camera::axis().up() - Camera::axis().left()) * radius * 2.0f);
+		glTexCoord2f(0,0);
+		gl::vertex((Camera::axis().up() + Camera::axis().left()) * radius * 2.0f);
+		glTexCoord2f(1,0);
+		gl::vertex((Camera::axis().up() * -1 + Camera::axis().left()) * radius * 2.0f);
+		glTexCoord2f(1,1);
+		gl::vertex((Camera::axis().up() * -1 - Camera::axis().left()) * radius * 2.0f);
+		gl::end();
+
+		Stats::quads++;
+
+		gl::disable(GL_BLEND);
+		if (globe->state()->distance() <= farplane) {
+			gl::depthmask(GL_TRUE);
+		}
+		if (!globe->render_texture) {
+			gl::disable(GL_TEXTURE_2D);
+		}
+
+		radius *= 0.5f;
+	}
+
+
 	gl::multmatrix(globe->state()->axis());
 
 	if (globe->rotationspeed()) {
-		float angle = core::application()->time() * globe->rotationspeed();
-		angle = angle - 360.0f * floorf(angle / 360.0f);
+		float angle = math::degrees360f(core::application()->time() * globe->rotationspeed());
 		gl::rotate(angle, math::Vector3f::Zaxis());
 	}
+
 	draw_sphere(globe->color(), radius);
 
 	gl::pop();
-- 
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