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allow setting the clouds opacity

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This commit is contained in:
scrawl 2012-02-21 22:11:41 +01:00
parent c1fb5ce769
commit b2de9e8f45
3 changed files with 12 additions and 2 deletions
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9
apps/openmw/mwrender/sky.cpp
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@ -368,17 +368,19 @@ SkyManager::SkyManager (SceneNode* pMwRoot, Camera* pCamera)
" in float4 color : TEXCOORD1, \n"
" uniform sampler2D texture : TEXUNIT0, \n"
" uniform float time, \n"
" uniform float opacity, \n"
" uniform float4 emissive \n"
") \n"
"{ \n"
" uv += float2(1,1) * time * "<<CLOUD_SPEED<<"; \n" // Scroll in x,y direction
" float4 tex = tex2D(texture, uv); \n"
" oColor = color * float4(emissive.xyz,1) * tex2D(texture, uv); \n"
" oColor = color * float4(emissive.xyz,1) * tex2D(texture, uv) * float4(1,1,1,opacity); \n"
"}";
mCloudFragmentShader->setSource(outStream2.str());
mCloudFragmentShader->load();
mCloudFragmentShader->getDefaultParameters()->setNamedAutoConstant("emissive", GpuProgramParameters::ACT_SURFACE_EMISSIVE_COLOUR);
mCloudMaterial->getTechnique(0)->getPass(0)->setFragmentProgram(mCloudFragmentShader->getName());
setCloudsOpacity(0.75);
ModVertexAlpha(clouds_ent, 1);
@ -438,3 +440,8 @@ void SkyManager::setMoonColour (bool red)
mSecunda->setColour( red ? ColourValue(1.0, 0.0, 0.0)
: ColourValue(1.0, 1.0, 1.0));
}
void SkyManager::setCloudsOpacity(float opacity)
{
mCloudMaterial->getTechnique(0)->getPass(0)->getFragmentProgramParameters()->setNamedConstant("opacity", Real(opacity));
}

3
apps/openmw/mwrender/sky.hpp
View file

@ -120,6 +120,9 @@ namespace MWRender
void setMoonColour (bool red);
///< change Secunda colour to red
void setCloudsOpacity(float opacity);
///< change opacity of the clouds
private:
CelestialBody* mSun;
Moon* mMasser;

2
apps/openmw/mwworld/world.cpp
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@ -157,7 +157,7 @@ namespace MWWorld
mRendering = new MWRender::RenderingManager(renderer, resDir, mPhysEngine, environment);
mWeatherManager = new MWWorld::WeatherManager();
mWeatherManager = new MWWorld::WeatherManager(mRendering);
boost::filesystem::path masterPath (fileCollections.getCollection (".esm").getPath (master));