Transparent water

apps/openmw/engine.cpp

@@ -310,7 +310,13 @@ void OMW::Engine::go()
 
     // This has to be added BEFORE MyGUI is initialized, as it needs
     // to find core.xml here.
+    std::cout << "Before the water\n";
+    
+    std::cout << "After the water" << mResDir << "\n";
+    //addResourcesDirectory(mResDir);
+   
     addResourcesDirectory(mResDir / "mygui");
+    addResourcesDirectory(mResDir / "water");
 
     // Create the window
     mOgre->createWindow("OpenMW");

apps/openmw/mwrender/renderingmanager.cpp

@@ -57,6 +57,7 @@ RenderingManager::RenderingManager (OEngine::Render::OgreRenderer& _rend, const
     cameraPitchNode->attachObject(rend.getCamera());
 
     mPlayer = new MWRender::Player (rend.getCamera(), playerNode);
+    mWater = new MWRender::Water(rend.getCamera());
 
 	//std::cout << "Three";
 }
@@ -220,6 +221,9 @@ void RenderingManager::toggleLight()
 
   setAmbientMode();
 }
+void RenderingManager::checkUnderwater(){
+    mWater->checkUnderwater();
+}
 
 
 

apps/openmw/mwrender/renderingmanager.hpp

@@ -24,6 +24,7 @@
 #include "creatures.hpp"
 #include "objects.hpp"
 #include "player.hpp"
+#include "water.hpp"
 
 namespace Ogre
 {
@@ -69,6 +70,7 @@ class RenderingManager: private RenderingInterface {
     void moveObject (const MWWorld::Ptr& ptr, const Ogre::Vector3& position);
     void scaleObject (const MWWorld::Ptr& ptr, const Ogre::Vector3& scale);
     void rotateObject (const MWWorld::Ptr& ptr, const::Ogre::Quaternion& orientation);
+    void checkUnderwater();
 
     /// \param store Cell the object was in previously (\a ptr has already been updated to the new cell).
     void moveObjectToCell (const MWWorld::Ptr& ptr, const Ogre::Vector3& position, MWWorld::Ptr::CellStore *store);
@@ -100,6 +102,7 @@ class RenderingManager: private RenderingInterface {
 	 Ogre::Camera* camera;
 	MWRender::Npcs npcs;
 	 MWRender::Creatures creatures;
+     MWRender::Water *mWater;
 	 MWRender::Objects objects;
 
 	// 0 normal, 1 more bright, 2 max

apps/openmw/mwrender/water.cpp

@@ -2,7 +2,7 @@
 
 namespace MWRender {
   Water::Water (Ogre::Camera *camera) : mCamera (camera), mViewport (camera->getViewport()), mSceneManager (camera->getSceneManager()) {
-
+      std::cout << "1\n";
     try {
       Ogre::CompositorManager::getSingleton().addCompositor(mViewport, "Water", -1);
       Ogre::CompositorManager::getSingleton().setCompositorEnabled(mViewport, "Water", false);
@@ -11,26 +11,14 @@ namespace MWRender {
     mIsUnderwater = false;
 
     mCamera->addListener(this);
-
-    
-    for (unsigned int i = 0; i < 2; i++) {
-      Ogre::TexturePtr tex = Ogre::TextureManager::getSingleton().createManual(i == 0 ? "refraction" : "reflection", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D, 512, 512, 0, Ogre::PF_R8G8B8, Ogre::TU_RENDERTARGET);
-      
-      Ogre::RenderTarget* rtt = tex->getBuffer()->getRenderTarget();
-      rtt->addViewport(mCamera)->setOverlaysEnabled(false);
-      rtt->addListener(this);
-      
-      if (i == 0) mRefractionTarget = rtt;
-      else mReflectionTarget = rtt;
-    }
         
 
     mWaterPlane = Ogre::Plane(Ogre::Vector3::UNIT_Y, 0);
-    Ogre::MeshManager::getSingleton().createPlane("water", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,  mWaterPlane, 7000, 7000, 10, 10, true, 1, 3, 5, Ogre::Vector3::UNIT_Z);
-
+    Ogre::MeshManager::getSingleton().createPlane("water", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,  mWaterPlane, 7000, 7000, 1, 1, true, 1, 3,5, Ogre::Vector3::UNIT_Z);
 
     mWater = mSceneManager->createEntity("Water", "water");
-    mWater->setMaterialName("Water/ReflectionRefraction");
+    mWater->setMaterialName("Examples/Water0");
+    
     mWaterNode = mSceneManager->getRootSceneNode()->createChildSceneNode();
     mWaterNode->attachObject(mWater);
    
@@ -39,8 +27,8 @@ namespace MWRender {
 
   Water::~Water() {
     Ogre::MeshManager::getSingleton().remove("water");
-    Ogre::TextureManager::getSingleton().remove("refraction");
-    Ogre::TextureManager::getSingleton().remove("reflection");
+    //Ogre::TextureManager::getSingleton().remove("refraction");
+    //Ogre::TextureManager::getSingleton().remove("reflection");
     Ogre::CompositorManager::getSingleton().removeCompositorChain(mViewport);
   }
 

apps/openmw/mwworld/world.cpp

@@ -525,6 +525,7 @@ namespace MWWorld
 
         if (ptr==mPlayer->getPlayer())
         {
+            mRendering.checkUnderwater();
             Ptr::CellStore *currentCell = mWorldScene->getCurrentCell();
             if (currentCell)
             {

files/water/Examples-Water.material

@@ -0,0 +1,321 @@
+vertex_program Water/Test cg
+{
+	source water1.cg
+	entry_point main
+	profiles vs_1_1 arbvp1
+
+}
+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 
+		{
+			//
+       			
+			
+			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
+				colour_op_ex source1 src_manual src_current 0 1 0
+				alpha_op_ex source1 src_manual src_current 0.1
+				
+			}
+			// Noise
+			texture_unit
+			{
+				colour_op_ex source1 src_manual src_current 0 1 0
+				alpha_op_ex source1 src_manual src_current 0.1
+				// Perlin noise volume
+				texture waves2.dds
+				// min / mag filtering, no mip
+				filtering linear linear none
+			}
+			
+		
+		}
+		
+			
+	}
+	
+}
+material Examples/Water1
+{
+	technique
+	{
+		pass
+		{
+			scene_blend colour_blend
+			depth_write off
+
+			texture_unit
+			{
+				texture BeachStones.jpg
+				scale 0.25 0.25
+			}
+
+			texture_unit
+			{
+				texture Water01.jpg
+				env_map spherical
+				scroll_anim 0.01 0.01
+			}
+		}
+	}
+}
+material Examples/Water2
+{
+	technique
+	{
+		pass
+		{
+			scene_blend colour_blend
+			depth_write off
+
+			texture_unit
+			{
+				texture Water01.jpg
+				scroll_anim 0.01 0.01
+			}
+		}
+	}
+}
+material Examples/Water3
+{
+	technique
+	{
+		pass
+		{
+			scene_blend colour_blend
+			depth_write off
+
+			texture_unit
+			{
+				texture Water02.jpg
+				env_map spherical
+				scroll_anim 0.01 0.01
+				rotate_anim 0.03
+			}
+		}
+	}
+}
+material Examples/Water4
+{
+	technique
+	{
+		pass
+		{
+			cull_hardware none
+			cull_software none
+
+			texture_unit
+			{
+				texture Water02.jpg
+				env_map spherical
+				scroll_anim 0.01 0.01
+			}
+		}
+	}
+}
+material Examples/Water5
+{
+	technique
+	{
+		pass
+		{
+			cull_hardware none
+			cull_software none
+
+			texture_unit
+			{
+				texture BeachStones.jpg
+				scale 0.25 0.25
+			}
+
+			texture_unit
+			{
+				texture Water01.jpg
+				env_map spherical
+				scroll_anim 0.01 0.01
+			}
+		}
+	}
+}
+material Examples/Water6
+{
+	technique
+	{
+		pass
+		{
+			lighting off
+
+			texture_unit
+			{
+				cubic_texture cubescene.jpg combinedUVW
+				tex_address_mode clamp
+				env_map cubic_reflection
+			}
+		}
+	}
+}
+material Examples/Water7
+{
+	technique
+	{
+		pass
+		{
+			cull_hardware none
+			cull_software none
+
+			texture_unit
+			{
+				texture BeachStones.jpg
+				scale 0.25 0.25
+			}
+
+			texture_unit
+			{
+				cubic_texture cubescene.jpg combinedUVW
+				tex_address_mode clamp
+				env_map cubic_reflection
+			}
+		}
+	}
+}
+material Examples/Water8
+{
+	technique
+	{
+		pass
+		{
+			lighting off
+			scene_blend add
+			depth_write off
+			cull_hardware none
+			cull_software none
+
+			texture_unit
+			{
+				cubic_texture cubescene.jpg combinedUVW
+				tex_address_mode clamp
+				env_map cubic_reflection
+			}
+		}
+	}
+}

files/water/water1.cg

@@ -0,0 +1,39 @@
+void main( in float4 fresnel : COLOR0,
+	   in float4 inTex0 : TEXCOORD0,
+	   in float4 inTex1 : TEXCOORD1,
+	   in float4 inTex2 : TEXCOORD2,
+	   in float4 inTex3 : TEXCOORD3,
+	   in float4 inTex4 : COLOR1,
+	   in float4 inTex5 : BCOL1,
+       out float4 outCol : COLOR,
+	   uniform float4 matrix,
+       uniform sampler2D offsetTexture : texunit0,
+       uniform sampler2D reflexTexture : texunit1,
+	   uniform sampler2D refractTexture : texunit2,
+	   uniform sampler2D depthTexture : texunit3)
+{
+    float4 norm = tex2D(offsetTexture, inTex0.xy);
+    float4 refr = tex2D(depthTexture, inTex3.xy);
+
+	float4 norm2 = tex2D(offsetTexture, inTex0.xy/10.0f);
+
+	float4 projCoord = inTex1 / inTex1.w;
+	projCoord = (projCoord + 1.0) * 0.5;
+	projCoord += norm * 0.02;
+	projCoord = clamp(projCoord, 0.001, 0.999); 
+
+	float4 reflexe = tex2D(reflexTexture, projCoord.xy);
+	float4 refrakce = tex2D(refractTexture, projCoord.xy);
+	
+	float4 odrazy = reflexe*(0.7+0.3*refr);
+	
+	reflexe = (float4(0,0.4,0.4,1.0) + reflexe*0.5);
+	
+	outCol = lerp(refrakce, reflexe, fresnel.r)-refr*0.08;
+
+//outCol = lerp(refrakce, reflexe, fresnel.r);
+	
+//	outCol = norm;
+
+	outCol.a = 1;
+}