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simple water without shaders that uses original MW textures

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actorid
scrawl 13 years ago
parent c1693a0c63
commit b3a186e729
9 changed files with 95 additions and 341 deletions
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1
apps/openmw/mwrender/localmap.cpp
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@ -225,6 +225,7 @@ void LocalMap::render(const float x, const float y,
vp->setShadowsEnabled(false);
vp->setBackgroundColour(ColourValue(0, 0, 0));
vp->setVisibilityMask(RV_Map);
vp->setMaterialScheme("Map");
rtt->update();

30
apps/openmw/mwrender/water.cpp
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@ -27,7 +27,8 @@ Water::Water (Ogre::Camera *camera, const ESM::Cell* cell) :
mWater = mSceneManager->createEntity("water");
mWater->setVisibilityFlags(RV_Water);
mWater->setMaterialName("Examples/Water0");
mWater->setMaterial(createMaterial());
mVisibilityFlags = RV_Terrain * Settings::Manager::getBool("reflect terrain", "Water")
+ RV_Statics * Settings::Manager::getBool("reflect statics", "Water")
@ -163,4 +164,31 @@ void Water::postRenderTargetUpdate(const RenderTargetEvent& evt)
}
}
Ogre::MaterialPtr Water::createMaterial()
{
MaterialPtr mat = MaterialManager::getSingleton().create("Water", ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
mat->removeAllTechniques();
// fallback technique without shaders
// also used for minimap (because it can't have reflecting water)
Technique* old = mat->createTechnique();
old->setSchemeName("Map");
Pass* oldpass = old->createPass();
oldpass->setSceneBlending(SBT_TRANSPARENT_ALPHA);
oldpass->setDepthWriteEnabled(false);
oldpass->setDiffuse(0,0,0,1);
oldpass->setSelfIllumination(0.6, 0.7, 1.0);
oldpass->setAmbient(0,0,0);
TextureUnitState* oldtus = oldpass->createTextureUnitState();
std::string textureNames[32];
for (int i=0; i<32; ++i)
{
textureNames[i] = "textures\\water\\water" + StringConverter::toString(i, 2, '0') + ".dds";
}
oldtus->setAnimatedTextureName(textureNames, 32, 2);
oldtus->setTextureScale(0.1, 0.1);
oldtus->setAlphaOperation(LBX_SOURCE1, LBS_MANUAL, LBS_CURRENT, 0.7);
return mat;
}
} // namespace

2
apps/openmw/mwrender/water.hpp
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@ -30,6 +30,8 @@ namespace MWRender {
void preRenderTargetUpdate(const Ogre::RenderTargetEvent& evt);
void postRenderTargetUpdate(const Ogre::RenderTargetEvent& evt);
Ogre::MaterialPtr createMaterial();
Ogre::RenderTarget* mReflectionTarget;
Ogre::RenderTarget* mRefractionTarget;

4
files/CMakeLists.txt
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@ -1,13 +1,11 @@
project(resources)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/caustic_0.png "${OpenMW_BINARY_DIR}/resources/water/caustic_0.png" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/Example_Fresnel.cg "${OpenMW_BINARY_DIR}/resources/water/Example_Fresnel.cg" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/Example_FresnelPS.asm "${OpenMW_BINARY_DIR}/resources/water/Example_FresnelPS.asm" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/GlassFP.cg "${OpenMW_BINARY_DIR}/resources/water/GlassFP.cg" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/GlassVP.cg "${OpenMW_BINARY_DIR}/resources/water/GlassVP.cg" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/perlinvolume.dds "${OpenMW_BINARY_DIR}/resources/water/perlinvolume.dds" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/Water02.jpg "${OpenMW_BINARY_DIR}/resources/water/Water02.jpg" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/water.compositor "${OpenMW_BINARY_DIR}/resources/water/water.compositor" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/waves2.dds "${OpenMW_BINARY_DIR}/resources/water/waves2.dds" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/Examples-Water.material "${OpenMW_BINARY_DIR}/resources/water/Examples-Water.material" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/water.material "${OpenMW_BINARY_DIR}/resources/water/water.material" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/WaterNormal1.tga "${OpenMW_BINARY_DIR}/resources/water/WaterNormal1.tga" COPYONLY)

116
files/water/Example_Fresnel.cg
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@ -1,116 +0,0 @@
// Vertex program for fresnel reflections / refractions
void main_vp(
float4 pos : POSITION,
float4 normal : NORMAL,
float2 tex : TEXCOORD0,
out float4 oPos : POSITION,
out float3 noiseCoord : TEXCOORD0,
out float4 projectionCoord : TEXCOORD1,
out float3 oEyeDir : TEXCOORD2,
out float3 oNormal : TEXCOORD3,
uniform float4x4 worldViewProjMatrix,
uniform float3 eyePosition, // object space
uniform float timeVal,
uniform float scale, // the amount to scale the noise texture by
uniform float scroll, // the amount by which to scroll the noise
uniform float noise // the noise perturb as a factor of the time
)
{
oPos = mul(worldViewProjMatrix, pos);
// Projective texture coordinates, adjust for mapping
float4x4 scalemat = float4x4(0.5, 0, 0, 0.5,
0,-0.5, 0, 0.5,
0, 0, 0.5, 0.5,
0, 0, 0, 1);
projectionCoord = mul(scalemat, oPos);
// Noise map coords
noiseCoord.xy = (tex + (timeVal * scroll)) * scale;
noiseCoord.z = noise * timeVal;
oEyeDir = normalize(pos.xyz - eyePosition);
oNormal = normal.rgb;
}
// Fragment program for distorting a texture using a 3D noise texture
void main_fp(
float3 noiseCoord : TEXCOORD0,
float4 projectionCoord : TEXCOORD1,
float3 eyeDir : TEXCOORD2,
float3 normal : TEXCOORD3,
out float4 col : COLOR,
uniform float4 tintColour,
uniform float noiseScale,
uniform float fresnelBias,
uniform float fresnelScale,
uniform float fresnelPower,
uniform sampler2D waterTex : register(s0),
uniform sampler2D noiseMap : register(s1),
uniform sampler2D reflectMap : register(s2),
uniform sampler2D refractMap : register(s3)
)
{
// Do the tex projection manually so we can distort _after_
float2 final = projectionCoord.xy / projectionCoord.w;
// Noise
float3 noiseNormal = (tex2D(noiseMap, (noiseCoord.xy / 5)).rgb - 0.5).rbg * noiseScale;
final += noiseNormal.xz;
// Fresnel
//normal = normalize(normal + noiseNormal.xz);
float fresnel = fresnelBias + fresnelScale * pow(1 + dot(eyeDir, normal), fresnelPower);
// Reflection / refraction
float4 reflectionColour = tex2D(reflectMap, final);
float4 refractionColour = tex2D(refractMap, final) + tintColour;
// Final colour
col = lerp(refractionColour, reflectionColour, fresnel) * tex2D(waterTex, noiseNormal) / 3 ;
}
// Old version to match ATI PS 1.3 implementation
void main_vp_old(
float4 pos : POSITION,
float4 normal : NORMAL,
float2 tex : TEXCOORD0,
out float4 oPos : POSITION,
out float fresnel : COLOR,
out float3 noiseCoord : TEXCOORD0,
out float4 projectionCoord : TEXCOORD1,
uniform float4x4 worldViewProjMatrix,
uniform float3 eyePosition, // object space
uniform float fresnelBias,
uniform float fresnelScale,
uniform float fresnelPower,
uniform float timeVal,
uniform float scale, // the amount to scale the noise texture by
uniform float scroll, // the amount by which to scroll the noise
uniform float noise // the noise perturb as a factor of the time
)
{
oPos = mul(worldViewProjMatrix, pos);
// Projective texture coordinates, adjust for mapping
float4x4 scalemat = float4x4(0.5, 0, 0, 0.5,
0,-0.5, 0, 0.5,
0, 0, 0.5, 0.5,
0, 0, 0, 1);
projectionCoord = mul(scalemat, oPos);
// Noise map coords
noiseCoord.xy = (tex + (timeVal * scroll)) * scale;
noiseCoord.z = noise * timeVal;
// calc fresnel factor (reflection coefficient)
float3 eyeDir = normalize(pos.xyz - eyePosition);
fresnel = fresnelBias + fresnelScale * pow(1 + dot(eyeDir, normal), fresnelPower);
}

72
files/water/Example_FresnelPS.asm
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@ -1,72 +0,0 @@
ps.1.4
// conversion from Cg generated ARB_fragment_program to ps.1.4 by NFZ
// command line args: -profile arbfp1 -entry main_fp
// program main_fp
// c0 : distortionRange
// c1 : tintColour
// testure 0 : noiseMap
// texture 1 : reflectMap
// texture 2 : refractMap
// v0.x : fresnel
// t0.xyz : noiseCoord
// t1.xyw : projectionCoord
def c2, 2, 1, 0, 0
// Cg: distort.x = tex3D(noiseMap, noiseCoord).x;
// arbfp1: TEX R0.x, fragment.texcoord[0], texture[0], 3D;
// sample noise map using noiseCoord in TEX unit 0
texld r0, t0.xyz
// get projected texture coordinates from TEX coord 1
// will be used in phase 2
texcrd r1.xy, t1_dw.xyw
mov r1.z, c2.y
// Cg: distort.y = tex3D(noiseMap, noiseCoord + yoffset).x;
// arbfp1: ADD R1.xyz, fragment.texcoord[0], c1;
// arbfp1: TEX R1.x, R1, texture[0], 3D;
// arbfp1: MOV R0.y, R1.x;
// Cg: distort = (distort * 2 - 1) * distortionRange;
// arbfp1: MAD R0.xy, R0, c0.x, -c0.y;
// arbfp1: MUL R0.xy, R0, u0.x;
// (distort * 2 - 1) same as 2*(distort -.5) so use _bx2
// Cg: final = projectionCoord.xy / projectionCoord.w;
// Cg: final += distort;
// arbfp1: RCP R0.w, fragment.texcoord[1].w;
// arbfp1: MAD R0.xy, fragment.texcoord[1], R0.w, R0;
// final = (distort * projectionCoord.w) + projectionCoord.xy
// for ps.1.4 have to re-arrange things a bit to perturb projected texture coordinates
mad r0.xyz, r0_bx2, c0.x, r1
phase
// do dependant texture reads
// Cg: reflectionColour = tex2D(reflectMap, final);
// arbfp1: TEX R0, R0, texture[1], 2D;
// sampe reflectMap using dependant read : texunit 1
texld r1, r0.xyz
// Cg: refractionColour = tex2D(refractMap, final) + tintColour;
// arbfp1: TEX R1, R0, texture[2], 2D;
// sample refractMap : texunit 2
texld r2, r0.xyz
// adding tintColour that is in global c1
// arbfp1: ADD R1, R1, u1;
add r2, r2, c1
// Cg: col = lerp(refractionColour, reflectionColour, fresnel);
// arbfp1: ADD R0, R0, -R1;
// arbfp1: MAD result.color, fragment.color.primary.x, R0, R1;
lrp r0, v0.x, r1, r2

149
files/water/Examples-Water.material
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@ -1,149 +0,0 @@
vertex_program Water/GlassVP cg
{
source GlassVP.cg
entry_point glass_vp
profiles vs_1_1 arbvp1
default_params
{
param_named_auto worldViewProj worldviewproj_matrix
}
}
fragment_program Water/GlassFP cg
{
source GlassFP.cg
entry_point main_ps
profiles ps_2_0 arbfp1
}
material Water/Compositor
{
technique
{
pass
{
depth_check off
vertex_program_ref Water/GlassVP
{
param_named_auto timeVal time 0.25
param_named scale float 0.1
}
fragment_program_ref Water/GlassFP
{
param_named tintColour float4 0 0.35 0.35 1
}
texture_unit RT
{
tex_coord_set 0
tex_address_mode clamp
filtering linear linear linear
}
texture_unit
{
texture WaterNormal1.tga 2d
tex_coord_set 1
//tex_address_mode clamp
filtering linear linear linear
}
texture_unit
{
texture caustic_0.png 2d
tex_coord_set 2
//tex_address_mode clamp
filtering linear linear linear
}
}
}
}
vertex_program Water/RefractReflectVP cg
{
source Example_Fresnel.cg
entry_point main_vp
profiles vs_1_1 arbvp1
}
vertex_program Water/RefractReflectVPold cg
{
source Example_Fresnel.cg
entry_point main_vp_old
profiles vs_1_1 arbvp1
}
fragment_program Water/RefractReflectFP cg
{
source Example_Fresnel.cg
entry_point main_fp
// sorry, ps_1_1 and fp20 can't do this
profiles ps_2_0 arbfp1
}
fragment_program Water/RefractReflectPS asm
{
source Example_FresnelPS.asm
// sorry, only for ps_1_4 :)
syntax ps_1_4
}
material Examples/Water0
{
technique
{
pass
{
//
depth_write off
vertex_program_ref Water/RefractReflectVP
{
param_named_auto worldViewProjMatrix worldviewproj_matrix
param_named_auto eyePosition camera_position_object_space
param_named_auto timeVal time 0.15
param_named scroll float 1
param_named scale float 1
param_named noise float 1
// scroll and noisePos will need updating per frame
}
fragment_program_ref Water/RefractReflectFP
{
param_named fresnelBias float -0.1
param_named fresnelScale float 0.8
param_named fresnelPower float 20
param_named tintColour float4 1 1 1 1
param_named noiseScale float 0.05
}
// Water
scene_blend alpha_blend
texture_unit
{
// Water texture
texture Water02.jpg
// min / mag filtering, no mip
filtering linear linear none
alpha_op_ex source1 src_manual src_current 0.9
}
// Noise
texture_unit
{
alpha_op_ex source1 src_manual src_current 0.9
// Perlin noise volume
texture waves2.dds
// min / mag filtering, no mip
filtering linear linear none
}
}
}
}

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files/water/Water02.jpg
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62
files/water/water.material
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@ -0,0 +1,62 @@
vertex_program Water/GlassVP cg
{
source GlassVP.cg
entry_point glass_vp
profiles vs_1_1 arbvp1
default_params
{
param_named_auto worldViewProj worldviewproj_matrix
}
}
fragment_program Water/GlassFP cg
{
source GlassFP.cg
entry_point main_ps
profiles ps_2_0 arbfp1
}
material Water/Compositor
{
technique
{
pass
{
depth_check off
vertex_program_ref Water/GlassVP
{
param_named_auto timeVal time 0.25
param_named scale float 0.1
}
fragment_program_ref Water/GlassFP
{
param_named tintColour float4 0 0.35 0.35 1
}
texture_unit RT
{
tex_coord_set 0
tex_address_mode clamp
filtering linear linear linear
}
texture_unit
{
texture WaterNormal1.tga 2d
tex_coord_set 1
//tex_address_mode clamp
filtering linear linear linear
}
texture_unit
{
texture caustic_0.png 2d
tex_coord_set 2
//tex_address_mode clamp
filtering linear linear linear
}
}
}
}
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