X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fambientocclusion.cpp;h=91e10ad7a4f33f4325cc12762fe65a5e2e347148;hp=5edbf833e32d72d7a3b1eb0393f6b9157b59bb42;hb=9f5f027d1c93e541a12b8e4c04bd25b11edbe132;hpb=702de88f837584fd046d787f7199e4560ceda9c4

diff --git a/source/ambientocclusion.cpp b/source/ambientocclusion.cpp
index 5edbf833..91e10ad7 100644
--- a/source/ambientocclusion.cpp
+++ b/source/ambientocclusion.cpp
@@ -52,7 +52,7 @@ AmbientOcclusion::AmbientOcclusion(unsigned w, unsigned h, float):
 float AmbientOcclusion::random(unsigned &seed)
 {
 	static const unsigned modulus = (1U<<31)-1;
-	seed = (seed*48271)%modulus;  // minstd
+	seed = (static_cast<UInt64>(seed)*48271)%modulus;  // minstd
 	return static_cast<float>(seed)/(modulus-1);
 }
 
@@ -108,5 +108,30 @@ void AmbientOcclusion::render(Renderer &renderer, const Texture2D &color, const
 	quad.draw(renderer);
 }
 
+
+AmbientOcclusion::Template::Template():
+	n_samples(16),
+	occlusion_radius(0.5f),
+	darkness(1.0f)
+{ }
+
+AmbientOcclusion *AmbientOcclusion::Template::create(unsigned width, unsigned height) const
+{
+	RefPtr<AmbientOcclusion> ao = new AmbientOcclusion(width/size_divisor, height/size_divisor);
+	ao->set_n_samples(n_samples);
+	ao->set_occlusion_radius(occlusion_radius);
+	ao->set_darkness(darkness);
+	return ao.release();
+}
+
+
+AmbientOcclusion::Template::Loader::Loader(Template &t):
+	DataFile::DerivedObjectLoader<Template, PostProcessor::Template::Loader>(t)
+{
+	add("darkness", &Template::darkness);
+	add("occlusion_radius", &Template::occlusion_radius);
+	add("samples", &Template::n_samples);
+}
+
 } // namespace GL
 } // namespace Msp