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specular lighting

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This commit is contained in:
scrawl 2012-04-06 14:07:52 +02:00
parent e718d4b6f0
commit a41eee9a72
3 changed files with 18 additions and 2 deletions
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1
apps/openmw/mwrender/renderingmanager.cpp
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@ -406,6 +406,7 @@ void RenderingManager::skipAnimation (const MWWorld::Ptr& ptr)
void RenderingManager::setSunColour(const Ogre::ColourValue& colour)
{
mSun->setDiffuseColour(colour);
mSun->setSpecularColour(colour);
mTerrainManager->setDiffuse(colour);
}

17
files/water/water.cg
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@ -37,6 +37,8 @@ void main_fp
, in float iDepth : TEXCOORD2
, in float4 iEyeVector : TEXCOORD3
, uniform float renderTargetFlipping
, uniform float4 lightPosObjSpace0
, uniform float4 lightSpecularColour0
, uniform sampler2D reflectionMap : register(s0)
, uniform sampler2D refractionMap : register(s1)
@ -74,11 +76,22 @@ void main_fp
// tangent to object space
normal.xyz = normal.xzy;
iEyeVector.xyz = normalize(iEyeVector.xyz);
// fresnel
float facing = 1.0 - max(abs(dot(normalize(iEyeVector.xyz), normal.xyz)), 0);
float facing = 1.0 - max(abs(dot(iEyeVector.xyz, normal.xyz)), 0);
float reflectionFactor = saturate(0.35 + 0.65 * pow(facing, 2));
oColor.xyz = lerp(refraction.xyz, reflection.xyz, depth1 * reflectionFactor);
// specular
float3 lightDir = normalize(lightPosObjSpace0.xyz); // assumes that light 0 is a directional light
float3 halfVector = normalize(iEyeVector + lightDir);
float specular = pow(max(dot(normal.xyz, halfVector.xyz), 0), 64);
float opacity = depth1 * saturate(reflectionFactor + specular);
reflection.xyz += lightSpecularColour0.xyz * specular;
oColor.xyz = lerp(refraction.xyz, reflection.xyz, opacity);
float fogValue = saturate((iDepth - fogParams.y) * fogParams.w);
oColor.xyz = lerp(oColor.xyz, fogColour, fogValue);

2
files/water/water.material
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@ -54,6 +54,8 @@ material Water
param_named_auto fogParams fog_params
param_named_auto renderTargetFlipping render_target_flipping
param_named_auto far far_clip_distance
param_named_auto lightPosObjSpace0 light_position_object_space 0
param_named_auto lightSpecularColour0 light_specular_colour 0
}
texture_unit reflectionMap