documentation updates, win32 build fix, megatog's enginelight patch

1 files changed, 19 insertions, 1 deletions

diff --git a/src/render/draw.cc b/src/render/draw.cc
index da8c8d3..150356c 100644
--- a/src/render/draw.cc
+++ b/src/render/draw.cc
@@ -904,6 +904,17 @@ void draw_pass_model_fx(float elapsed)
 			for (model::Model::Lights::iterator lit = entity->model()->lights().begin(); lit != entity->model()->lights().end(); lit++) {
 				light = (*lit);
 
+				// engine flares			
+				thrust = 1.0f;
+				if (light->engine() && ( entity->type() == core::Entity::Controlable)) {
+					core::EntityControlable *ec = static_cast<core::EntityControlable *>(entity);
+					if ((ec->state() == core::Entity::ImpulseInitiate) || (ec->state() == core::Entity::Impulse)) {
+						thrust = 1.0f;
+					} else {
+						thrust = ec->thrust();
+					}
+				}
+
 				// strobe frequency
 				t = 1.0f;
 				if (light->strobe())
@@ -919,12 +930,17 @@ void draw_pass_model_fx(float elapsed)
 						gl::begin(gl::Quads);
 					}
 
+					// default alpha is 0.8
+					a = 0.8f;
 					if (light->entity()) {
 						color.assign(entity->color());
+					} else if (light->engine()) {
+						color.assign(entity->model()->enginecolor());
+						a *= thrust;
 					} else {
 						color.assign(light->color());
 					}
-					color.a = 0.8;
+					color.a = a;
 					gl::color(color);
 					
 					glTexCoord2f(0,1);
@@ -995,6 +1011,8 @@ void draw_pass_model_fx(float elapsed)
 					
 					a = math::absf( dotproduct(flare_axis.forward(), Camera::axis().forward()));
 					if (a > 0.1f) {
+
+						// alpha decreases as the viewing angle increases
 						a = a - 0.1f;
 						if (flare->entity()) {
 							color.assign(entity->color());