Merge remote-tracking branch 'upstream/master' into multiple_esm_esp

CMakeLists.txt

@@ -306,7 +306,7 @@ endif()
 
 # Compiler settings
 if (CMAKE_COMPILER_IS_GNUCC)
-    add_definitions (-Wall -Wextra -Wno-unused-parameter -Wno-reorder -std=c++03 -pedantic -Wno-long-long)
+    add_definitions (-Wall -Wextra -Wno-unused-parameter -Wno-reorder -std=c++98 -pedantic -Wno-long-long)
 
     # Silence warnings in OGRE headers. Remove once OGRE got fixed!
     add_definitions (-Wno-ignored-qualifiers)

apps/openmw/CMakeLists.txt

@@ -72,15 +72,20 @@ add_openmw_dir (mwbase
     )
 
 # Main executable
+
 IF(OGRE_STATIC)
+ADD_DEFINITIONS(-DENABLE_PLUGIN_OctreeSceneManager -DENABLE_PLUGIN_ParticleFX -DENABLE_PLUGIN_GL)
+set(OGRE_STATIC_PLUGINS ${OGRE_Plugin_OctreeSceneManager_LIBRARIES} ${OGRE_Plugin_ParticleFX_LIBRARIES} ${OGRE_RenderSystem_GL_LIBRARIES})
 IF(WIN32)
-ADD_DEFINITIONS(-DENABLE_PLUGIN_CgProgramManager -DENABLE_PLUGIN_OctreeSceneManager -DENABLE_PLUGIN_ParticleFX -DENABLE_PLUGIN_-DENABLE_PLUGIN_Direct3D9 -DENABLE_PLUGIN_GL)
+ADD_DEFINITIONS(-DENABLE_PLUGIN_Direct3D9)
-set(OGRE_STATIC_PLUGINS ${OGRE_Plugin_CgProgramManager_LIBRARIES} ${OGRE_Plugin_OctreeSceneManager_LIBRARIES} ${OGRE_Plugin_ParticleFX_LIBRARIES} ${OGRE_RenderSystem_Direct3D9_LIBRARIES} ${OGRE_RenderSystem_GL_LIBRARIES})
+list (APPEND OGRE_STATIC_PLUGINS ${OGRE_RenderSystem_Direct3D9_LIBRARIES})
-ELSE(WIN32)
-ADD_DEFINITIONS(-DENABLE_PLUGIN_CgProgramManager -DENABLE_PLUGIN_OctreeSceneManager -DENABLE_PLUGIN_ParticleFX -DENABLE_PLUGIN_GL)
-set(OGRE_STATIC_PLUGINS ${OGRE_Plugin_CgProgramManager_LIBRARIES} ${Cg_LIBRARIES} ${OGRE_Plugin_OctreeSceneManager_LIBRARIES} ${OGRE_Plugin_ParticleFX_LIBRARIES} ${OGRE_RenderSystem_GL_LIBRARIES})
 ENDIF(WIN32)
+IF (Cg_FOUND)
+ADD_DEFINITIONS(-DENABLE_PLUGIN_CgProgramManager)
+list (APPEND OGRE_STATIC_PLUGINS ${OGRE_Plugin_CgProgramManager_LIBRARIES} ${Cg_LIBRARIES})
+ENDIF (Cg_FOUND)
 ENDIF(OGRE_STATIC)
+
 add_executable(openmw
     ${OPENMW_LIBS} ${OPENMW_LIBS_HEADER}
     ${OPENMW_FILES}

apps/openmw/mwrender/sky.cpp

@@ -203,48 +203,6 @@ unsigned int Moon::getPhaseInt() const
     return 0;
 }
 
-void SkyManager::ModVertexAlpha(Entity* ent, unsigned int meshType)
-{
-    // Get the vertex colour buffer of this mesh
-    const Ogre::VertexElement* ves_diffuse = ent->getMesh()->getSubMesh(0)->vertexData->vertexDeclaration->findElementBySemantic( Ogre::VES_DIFFUSE );
-    HardwareVertexBufferSharedPtr colourBuffer = ent->getMesh()->getSubMesh(0)->vertexData->vertexBufferBinding->getBuffer(ves_diffuse->getSource());
-
-    // Lock
-    void* pData = colourBuffer->lock(HardwareBuffer::HBL_NORMAL);
-
-    // Iterate over all vertices
-    int vertex_size = colourBuffer->getVertexSize();
-    float * currentVertex = NULL;
-    for (unsigned int i=0; i<colourBuffer->getNumVertices(); ++i)
-    {
-        // Get a pointer to the vertex colour
-        ves_diffuse->baseVertexPointerToElement( pData, &currentVertex );
-
-        unsigned char alpha=0;
-        if (meshType == 0) alpha = i%2 ? 0 : 255; // this is a cylinder, so every second vertex belongs to the bottom-most row
-        else if (meshType == 1)
-        {
-            if (i>= 49 && i <= 64) alpha = 0; // bottom-most row
-            else if (i>= 33 && i <= 48) alpha = 64; // second bottom-most row
-            else alpha = 255;
-        }
-        // NB we would have to swap R and B depending on rendersystem specific VertexElementType, but doesn't matter since they are both 1
-        uint8 tmpR = static_cast<uint8>(255);
-        uint8 tmpG = static_cast<uint8>(255);
-        uint8 tmpB = static_cast<uint8>(255);
-        uint8 tmpA = static_cast<uint8>(alpha);
-
-        // Modify
-        *((uint32*)currentVertex) = tmpR | (tmpG << 8) | (tmpB << 16) | (tmpA << 24);
-
-        // Move to the next vertex
-        pData = static_cast<unsigned char *> (pData) + vertex_size;
-    }
-
-    // Unlock
-    ent->getMesh()->getSubMesh(0)->vertexData->vertexBufferBinding->getBuffer(ves_diffuse->getSource())->unlock();
-}
-
 SkyManager::SkyManager (SceneNode* pMwRoot, Camera* pCamera)
     : mHour(0.0f)
     , mDay(0)
@@ -357,7 +315,6 @@ void SkyManager::create()
         atmosphere_ent->setRenderQueueGroup(RQG_SkiesEarly);
         atmosphere_ent->setVisibilityFlags(RV_Sky);
         atmosphere_ent->getSubEntity (0)->setMaterialName ("openmw_atmosphere");
-        ModVertexAlpha(atmosphere_ent, 0);
     }
 
 
@@ -371,8 +328,6 @@ void SkyManager::create()
         clouds_ent->setRenderQueueGroup(RQG_SkiesEarly+5);
         clouds_ent->getSubEntity(0)->setMaterialName ("openmw_clouds");
         clouds_ent->setCastShadows(false);
-
-        ModVertexAlpha(clouds_ent, 1);
     }
 
     mCreated = true;

apps/openmw/mwrender/sky.hpp

@@ -218,8 +218,6 @@ namespace MWRender
         float mGlare; // target
         float mGlareFade; // actual
 
-        void ModVertexAlpha(Ogre::Entity* ent, unsigned int meshType);
-
         bool mEnabled;
         bool mSunEnabled;
         bool mMasserEnabled;

apps/openmw/mwrender/terrain.cpp

@@ -3,6 +3,7 @@
 #include <OgreTerrain.h>
 #include <OgreTerrainGroup.h>
 #include <OgreHardwarePixelBuffer.h>
+#include <OgreRoot.h>
 
 #include "../mwworld/esmstore.hpp"
 
@@ -178,6 +179,16 @@ namespace MWRender
             }
         }
 
+        // when loading from a heightmap, Ogre::Terrain does not update the derived data (normal map, LOD)
+        // synchronously, even if we supply synchronous = true parameter to loadTerrain.
+        // the following to be the only way to make sure derived data is ready when rendering the next frame.
+        while (mTerrainGroup.isDerivedDataUpdateInProgress())
+        {
+           // we need to wait for this to finish
+           OGRE_THREAD_SLEEP(5);
+           Root::getSingleton().getWorkQueue()->processResponses();
+        }
+
         mTerrainGroup.freeTemporaryResources();
     }
 

apps/openmw/mwworld/worldimp.cpp

@@ -331,26 +331,26 @@ namespace MWWorld
     {
         return mGlobalVariables->getGlobals();
     }
-    
+
     std::string World::getCurrentCellName () const
     {
         std::string name;
 
         Ptr::CellStore *cell = mWorldScene->getCurrentCell();
         if (cell->mCell->isExterior())
-        {    
+        {
             if (cell->mCell->mName != "")
-            {    
+            {
                 name = cell->mCell->mName;
-            }    
+            }
-            else 
+            else
-            {    
+            {
                 const ESM::Region* region =
                     MWBase::Environment::get().getWorld()->getStore().get<ESM::Region>().search(cell->mCell->mRegion);
                 if (region)
                     name = region->mName;
                 else
-                { 
+                {
                     const ESM::GameSetting *setting =
                         MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().search("sDefaultCellname");
 
@@ -360,13 +360,13 @@ namespace MWWorld
                         name = "Wilderness";
                 }
 
-            }    
+            }
-        }    
+        }
-        else 
+        else
-        {    
+        {
             name = cell->mCell->mName;
-        }    
+        }
-        
+
         return name;
     }
 
@@ -455,12 +455,12 @@ namespace MWWorld
         if (!reference.getRefData().isEnabled())
         {
             reference.getRefData().enable();
-            
+
             if(mWorldScene->getActiveCells().find (reference.getCell()) != mWorldScene->getActiveCells().end() && reference.getRefData().getCount())
                 mWorldScene->addObjectToScene (reference);
         }
     }
-    
+
     void World::removeContainerScripts(const Ptr& reference)
     {
         if( reference.getTypeName()==typeid (ESM::Container).name() ||
@@ -485,7 +485,7 @@ namespace MWWorld
         if (reference.getRefData().isEnabled())
         {
             reference.getRefData().disable();
-            
+
             if(mWorldScene->getActiveCells().find (reference.getCell())!=mWorldScene->getActiveCells().end() && reference.getRefData().getCount())
                 mWorldScene->removeObjectFromScene (reference);
         }
@@ -716,14 +716,14 @@ namespace MWWorld
     void World::moveObject(const Ptr &ptr, CellStore &newCell, float x, float y, float z)
     {
         ESM::Position &pos = ptr.getRefData().getPosition();
-        pos.pos[0] = x, pos.pos[1] = y, pos.pos[2] = z;
+        pos.pos[0] = x;
+        pos.pos[1] = y;
+        pos.pos[2] = z;
         Ogre::Vector3 vec(x, y, z);
 
         CellStore *currCell = ptr.getCell();
         bool isPlayer = ptr == mPlayer->getPlayer();
         bool haveToMove = mWorldScene->isCellActive(*currCell) || isPlayer;
-        
-        removeContainerScripts(ptr);
 
         if (*currCell != newCell)
         {
@@ -736,7 +736,8 @@ namespace MWWorld
                     int cellY = newCell.mCell->getGridY();
                     mWorldScene->changeCell(cellX, cellY, pos, false);
                 }
-            else {
+            else
+            {
                 if (!mWorldScene->isCellActive(*currCell))
                     copyObjectToCell(ptr, newCell, pos);
                 else if (!mWorldScene->isCellActive(newCell))
@@ -744,6 +745,7 @@ namespace MWWorld
                     MWWorld::Class::get(ptr).copyToCell(ptr, newCell);
                     mWorldScene->removeObjectFromScene(ptr);
                     mLocalScripts.remove(ptr);
+                    removeContainerScripts (ptr);
                     haveToMove = false;
                 }
                 else
@@ -751,10 +753,18 @@ namespace MWWorld
                     MWWorld::Ptr copy =
                         MWWorld::Class::get(ptr).copyToCell(ptr, newCell);
 
-                    addContainerScripts(copy, &newCell);
-
                     mRendering->moveObjectToCell(copy, vec, currCell);
 
+                    std::string script =
+                        MWWorld::Class::get(ptr).getScript(ptr);
+                    if (!script.empty())
+                    {
+                        mLocalScripts.remove(ptr);
+                        removeContainerScripts (ptr);
+                        mLocalScripts.add(script, copy);
+                        addContainerScripts (copy, &newCell);
+                    }
+
                     if (MWWorld::Class::get(ptr).isActor())
                     {
                         MWBase::MechanicsManager *mechMgr =
@@ -763,16 +773,6 @@ namespace MWWorld
                         mechMgr->removeActor(ptr);
                         mechMgr->addActor(copy);
                     }
-                    else
-                    {
-                        std::string script =
-                            MWWorld::Class::get(ptr).getScript(ptr);
-                        if (!script.empty())
-                        {
-                            mLocalScripts.remove(ptr);
-                            mLocalScripts.add(script, copy);
-                        }
-                    }
                 }
                 ptr.getRefData().setCount(0);
             }

cmake/OpenMWMacros.cmake

@@ -64,7 +64,7 @@ macro (opencs_units_noqt dir)
 foreach (u ${ARGN})
 add_unit (OPENCS ${dir} ${u})
 endforeach (u)
-endmacro (opencs_units)
+endmacro (opencs_units_noqt)
 
 macro (opencs_hdrs dir)
 foreach (u ${ARGN})
@@ -76,4 +76,4 @@ macro (opencs_hdrs_noqt dir)
 foreach (u ${ARGN})
 add_hdr (OPENCS ${dir} ${u})
 endforeach (u)
-endmacro (opencs_hdrs)
+endmacro (opencs_hdrs_noqt)

extern/shiny/CMakeLists.txt

@@ -24,13 +24,6 @@ set(SOURCE_FILES
     Main/ShaderSet.cpp
 )
 
-# In Debug mode, write the shader sources to the current directory
-if (DEFINED CMAKE_BUILD_TYPE)
-    if (CMAKE_BUILD_TYPE STREQUAL "Debug")
-        add_definitions(-DSHINY_WRITE_SHADER_DEBUG)
-    endif()
-endif()
-
 if (DEFINED SHINY_USE_WAVE_SYSTEM_INSTALL)
     # use system install
 else()

extern/shiny/Main/Factory.cpp

@@ -50,7 +50,7 @@ namespace sh
 	{
 		assert(mCurrentLanguage != Language_None);
 
-		bool anyShaderDirty = false;
+		bool removeBinaryCache = false;
 
 		if (boost::filesystem::exists (mPlatform->getCacheFolder () + "/lastModified.txt"))
 		{
@@ -182,24 +182,33 @@ namespace sh
 					}
 				}
 
-				std::string sourceFile = mPlatform->getBasePath() + "/" + it->second->findChild("source")->getValue();
+				std::string sourceAbsolute = mPlatform->getBasePath() + "/" + it->second->findChild("source")->getValue();
+				std::string sourceRelative = it->second->findChild("source")->getValue();
 
 				ShaderSet newSet (it->second->findChild("type")->getValue(), cg_profile, hlsl_profile,
-								  sourceFile,
+								  sourceAbsolute,
 								  mPlatform->getBasePath(),
 								  it->first,
 								  &mGlobalSettings);
 
-				int lastModified = boost::filesystem::last_write_time (boost::filesystem::path(sourceFile));
+				int lastModified = boost::filesystem::last_write_time (boost::filesystem::path(sourceAbsolute));
-				if (mShadersLastModified.find(sourceFile) != mShadersLastModified.end()
+				mShadersLastModifiedNew[sourceRelative] = lastModified;
-						&& mShadersLastModified[sourceFile] != lastModified)
+				if (mShadersLastModified.find(sourceRelative) != mShadersLastModified.end())
 				{
-					newSet.markDirty ();
+					if (mShadersLastModified[sourceRelative] != lastModified)
-					anyShaderDirty = true;
+					{
+						// delete any outdated shaders based on this shader set
+						removeCache (it->first);
+						// remove the whole binary cache (removing only the individual shaders does not seem to be possible at this point with OGRE)
+						removeBinaryCache = true;
+					}
+				}
+				else
+				{
+					// if we get here, this is either the first run or a new shader file was added
+					// in both cases we can safely delete
+					removeCache (it->first);
 				}
-
-				mShadersLastModified[sourceFile] = lastModified;
-
 				mShaderSets.insert(std::make_pair(it->first, newSet));
 			}
 		}
@@ -293,7 +302,7 @@ namespace sh
 			}
 		}
 
-		if (mPlatform->supportsShaderSerialization () && mReadMicrocodeCache && !anyShaderDirty)
+		if (mPlatform->supportsShaderSerialization () && mReadMicrocodeCache && !removeBinaryCache)
 		{
 			std::string file = mPlatform->getCacheFolder () + "/shShaderCache.txt";
 			if (boost::filesystem::exists(file))
@@ -313,11 +322,11 @@ namespace sh
 
 		if (mReadSourceCache)
 		{
-			// save the last modified time of shader sources
+			// save the last modified time of shader sources (as of when they were loaded)
 			std::ofstream file;
 			file.open(std::string(mPlatform->getCacheFolder () + "/lastModified.txt").c_str());
 
-			for (LastModifiedMap::const_iterator it = mShadersLastModified.begin(); it != mShadersLastModified.end(); ++it)
+			for (LastModifiedMap::const_iterator it = mShadersLastModifiedNew.begin(); it != mShadersLastModifiedNew.end(); ++it)
 			{
 				file << it->first << "\n" << it->second << std::endl;
 			}
@@ -580,4 +589,41 @@ namespace sh
 		assert(m);
 		m->createForConfiguration (configuration, 0);
 	}
+
+	void Factory::removeCache(const std::string& pattern)
+	{
+		if ( boost::filesystem::exists(mPlatform->getCacheFolder())
+			 && boost::filesystem::is_directory(mPlatform->getCacheFolder()))
+		{
+			boost::filesystem::directory_iterator end_iter;
+			for( boost::filesystem::directory_iterator dir_iter(mPlatform->getCacheFolder()) ; dir_iter != end_iter ; ++dir_iter)
+			{
+				if (boost::filesystem::is_regular_file(dir_iter->status()) )
+				{
+					boost::filesystem::path file = dir_iter->path();
+
+					std::string pathname = file.filename().string();
+
+					// get first part of filename, e.g. main_fragment_546457654 -> main_fragment
+					// there is probably a better method for this...
+					std::vector<std::string> tokens;
+					boost::split(tokens, pathname, boost::is_any_of("_"));
+					tokens.erase(--tokens.end());
+					std::string shaderName;
+					for (std::vector<std::string>::const_iterator vector_iter = tokens.begin(); vector_iter != tokens.end();)
+					{
+						shaderName += *(vector_iter++);
+						if (vector_iter != tokens.end())
+							shaderName += "_";
+					}
+
+					if (shaderName == pattern)
+					{
+						boost::filesystem::remove(file);
+						std::cout << "Removing outdated shader: " << file << std::endl;
+					}
+				}
+			}
+		}
+	}
 }

extern/shiny/Main/Factory.hpp

@@ -185,6 +185,7 @@ namespace sh
 		ConfigurationMap mConfigurations;
 		LodConfigurationMap mLodConfigurations;
 		LastModifiedMap mShadersLastModified;
+		LastModifiedMap mShadersLastModifiedNew;
 
 		PropertySetGet mGlobalSettings;
 
@@ -201,6 +202,8 @@ namespace sh
 
 		MaterialInstance* findInstance (const std::string& name);
 		MaterialInstance* searchInstance (const std::string& name);
+
+		void removeCache (const std::string& pattern);
 	};
 }
 

extern/shiny/Main/ShaderInstance.cpp

@@ -337,8 +337,7 @@ namespace sh
 		size_t pos;
 
 		bool readCache = Factory::getInstance ().getReadSourceCache () && boost::filesystem::exists(
-					Factory::getInstance ().getCacheFolder () + "/" + mName)
+					Factory::getInstance ().getCacheFolder () + "/" + mName);
-				&& !mParent->isDirty ();
 		bool writeCache = Factory::getInstance ().getWriteSourceCache ();
 
 
@@ -363,12 +362,6 @@ namespace sh
 
 			if (Factory::getInstance ().getShaderDebugOutputEnabled ())
 				writeDebugFile(source, name + ".pre");
-			else
-			{
-	#ifdef SHINY_WRITE_SHADER_DEBUG
-				writeDebugFile(source, name + ".pre");
-	#endif
-			}
 
 			// why do we need our own preprocessor? there are several custom commands available in the shader files
 			// (for example for binding uniforms to properties or auto constants) - more below. it is important that these
@@ -648,12 +641,6 @@ namespace sh
 
 		if (Factory::getInstance ().getShaderDebugOutputEnabled ())
 			writeDebugFile(source, name);
-		else
-		{
-#ifdef SHINY_WRITE_SHADER_DEBUG
-			writeDebugFile(source, name);
-#endif
-		}
 
 		if (!mProgram->getSupported())
 		{

extern/shiny/Main/ShaderSet.cpp

@@ -17,7 +17,6 @@ namespace sh
 		, mName(name)
 		, mCgProfile(cgProfile)
 		, mHlslProfile(hlslProfile)
-		, mIsDirty(false)
 	{
 		if (type == "vertex")
 			mType = GPT_Vertex;

extern/shiny/Main/ShaderSet.hpp

@@ -30,9 +30,6 @@ namespace sh
 		/// so it does not matter if you pass any extra properties that the shader does not care about.
 		ShaderInstance* getInstance (PropertySetGet* properties);
 
-		void markDirty() { mIsDirty = true; }
-		///< Signals that the cache is out of date, and thus should not be used this time
-
 	private:
 		PropertySetGet* getCurrentGlobalSettings() const;
 		std::string getBasePath() const;
@@ -41,12 +38,8 @@ namespace sh
 		std::string getHlslProfile() const;
 		int getType() const;
 
-		bool isDirty() { return mIsDirty; }
-
 		friend class ShaderInstance;
 
-		bool mIsDirty;
-
 	private:
 		GpuProgramType mType;
 		std::string mSource;

files/materials/atmosphere.shader

@@ -7,19 +7,18 @@
     SH_BEGIN_PROGRAM
         shUniform(float4x4, wvp) @shAutoConstant(wvp, worldviewproj_matrix)
 
-        shColourInput(float4)
+        shOutput(float, alphaFade)
-        shOutput(float4, colourPassthrough)
 
     SH_START_PROGRAM
     {
 	    shOutputPosition = shMatrixMult(wvp, shInputPosition);
-	    colourPassthrough = colour;
+            alphaFade = shInputPosition.z < 150.0 ? 0.0 : 1.0;
     }
 
 #else
 
     SH_BEGIN_PROGRAM
-		shInput(float4, colourPassthrough)
+                shInput(float, alphaFade)
 #if MRT
         shDeclareMrtOutput(1)
 #endif
@@ -27,7 +26,7 @@
 
     SH_START_PROGRAM
     {
-        shOutputColour(0) = colourPassthrough * atmosphereColour;
+        shOutputColour(0) = atmosphereColour * float4(1,1,1,alphaFade);
 
 #if MRT
         shOutputColour(1) = float4(1,1,1,1);

files/materials/clouds.shader

@@ -8,21 +8,20 @@
         shUniform(float4x4, wvp) @shAutoConstant(wvp, worldviewproj_matrix)
         shVertexInput(float2, uv0)
         shOutput(float2, UV)
-        shColourInput(float4)
+        shOutput(float, alphaFade)
-        shOutput(float4, colourPassthrough)
 
     SH_START_PROGRAM
     {
-        colourPassthrough = colour;
 	    shOutputPosition = shMatrixMult(wvp, shInputPosition);
 	    UV = uv0;
+            alphaFade = (shInputPosition.z <= 200.f) ? ((shInputPosition.z <= 100.f) ? 0.0 : 0.25) : 1.0;
     }
 
 #else
 
     SH_BEGIN_PROGRAM
 		shInput(float2, UV)
-		shInput(float4, colourPassthrough)
+                shInput(float, alphaFade)
 #if MRT
         shDeclareMrtOutput(1)
 #endif
@@ -42,7 +41,7 @@
         
         float4 albedo = shSample(diffuseMap1, scrolledUV) * (1-cloudBlendFactor) + shSample(diffuseMap2, scrolledUV) * cloudBlendFactor;
         
-        shOutputColour(0) = colourPassthrough * float4(cloudColour, 1) * albedo * float4(1,1,1, cloudOpacity);
+        shOutputColour(0) = float4(cloudColour, 1) * albedo * float4(1,1,1, cloudOpacity * alphaFade);
 
 #if MRT
         shOutputColour(1) = float4(1,1,1,1);

readme.txt

@@ -114,8 +114,10 @@ Bug #521: MWGui::InventoryWindow creates a duplicate player actor at the origin
 Bug #524: Beast races are able to wear shoes
 Bug #527: Background music fails to play
 Bug #533: The arch at Gnisis entrance is not displayed
+Bug #534: Terrain gets its correct shape only some time after the cell is loaded
 Bug #536: The same entry can be added multiple times to the journal
 Bug #539: Race selection is broken
+Bug #544: Terrain normal map corrupt when the map is rendered
 Feature #39: Video Playback
 Feature #151: ^-escape sequences in text output
 Feature #392: Add AI related script functions