forked from mirror/openmw-tes3mp
322 lines
10 KiB
C++
322 lines
10 KiB
C++
#include "animation.hpp"
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#include <osg/PositionAttitudeTransform>
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#include <osg/TexGen>
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#include <osg/TexEnvCombine>
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#include <components/nifosg/nifloader.hpp>
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#include <components/resource/resourcesystem.hpp>
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#include <components/resource/scenemanager.hpp>
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#include <components/resource/texturemanager.hpp>
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#include <components/misc/resourcehelpers.hpp>
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#include <components/sceneutil/statesetupdater.hpp>
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#include <components/sceneutil/visitor.hpp>
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#include "../mwbase/environment.hpp"
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#include "../mwbase/world.hpp"
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#include "../mwworld/esmstore.hpp"
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#include "../mwworld/class.hpp"
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#include "vismask.hpp"
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namespace
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{
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class GlowUpdater : public SceneUtil::StateSetUpdater
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{
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public:
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GlowUpdater(osg::Vec4f color, const std::vector<osg::ref_ptr<osg::Texture2D> >& textures)
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: mTexUnit(1) // FIXME: might not always be 1
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, mColor(color)
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, mTextures(textures)
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{
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}
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virtual void setDefaults(osg::StateSet *stateset)
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{
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stateset->setTextureMode(mTexUnit, GL_TEXTURE_2D, osg::StateAttribute::ON);
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osg::TexGen* texGen = new osg::TexGen;
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texGen->setMode(osg::TexGen::SPHERE_MAP);
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stateset->setTextureAttributeAndModes(mTexUnit, texGen, osg::StateAttribute::ON|osg::StateAttribute::OVERRIDE);
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osg::TexEnvCombine* texEnv = new osg::TexEnvCombine;
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texEnv->setSource0_RGB(osg::TexEnvCombine::CONSTANT);
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texEnv->setConstantColor(mColor);
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texEnv->setCombine_RGB(osg::TexEnvCombine::INTERPOLATE);
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texEnv->setSource2_RGB(osg::TexEnvCombine::TEXTURE);
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texEnv->setOperand2_RGB(osg::TexEnvCombine::SRC_COLOR);
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stateset->setTextureAttributeAndModes(mTexUnit, texEnv, osg::StateAttribute::ON);
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}
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virtual void apply(osg::StateSet *stateset, osg::NodeVisitor *nv)
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{
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float time = nv->getFrameStamp()->getSimulationTime();
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int index = (int)(time*16) % mTextures.size();
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stateset->setTextureAttribute(mTexUnit, mTextures[index], osg::StateAttribute::ON|osg::StateAttribute::OVERRIDE);
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}
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private:
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int mTexUnit;
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osg::Vec4f mColor;
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std::vector<osg::ref_ptr<osg::Texture2D> > mTextures;
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};
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class FindMaxControllerLengthVisitor : public SceneUtil::ControllerVisitor
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{
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public:
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FindMaxControllerLengthVisitor()
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: SceneUtil::ControllerVisitor()
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, mMaxLength(0)
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{
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}
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virtual void visit(osg::Node& , SceneUtil::Controller& ctrl)
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{
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if (ctrl.mFunction)
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mMaxLength = std::max(mMaxLength, ctrl.mFunction->getMaximum());
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}
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float getMaxLength() const
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{
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return mMaxLength;
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}
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private:
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float mMaxLength;
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};
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}
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namespace MWRender
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{
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Animation::Animation(const MWWorld::Ptr &ptr, osg::ref_ptr<osg::Group> parentNode, Resource::ResourceSystem* resourceSystem)
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: mPtr(ptr)
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, mInsert(parentNode)
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, mResourceSystem(resourceSystem)
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{
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}
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Animation::~Animation()
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{
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if (mObjectRoot)
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mInsert->removeChild(mObjectRoot);
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}
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osg::Vec3f Animation::runAnimation(float duration)
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{
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updateEffects(duration);
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return osg::Vec3f();
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}
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void Animation::setObjectRoot(const std::string &model)
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{
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if (mObjectRoot)
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{
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mObjectRoot->getParent(0)->removeChild(mObjectRoot);
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}
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mObjectRoot = mResourceSystem->getSceneManager()->createInstance(model, mInsert);
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}
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osg::Group* Animation::getObjectRoot()
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{
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return static_cast<osg::Group*>(mObjectRoot.get());
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}
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osg::Group* Animation::getOrCreateObjectRoot()
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{
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if (mObjectRoot)
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return static_cast<osg::Group*>(mObjectRoot.get());
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mObjectRoot = new osg::Group;
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mInsert->addChild(mObjectRoot);
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return static_cast<osg::Group*>(mObjectRoot.get());
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}
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void Animation::addGlow(osg::ref_ptr<osg::Node> node, osg::Vec4f glowColor)
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{
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std::vector<osg::ref_ptr<osg::Texture2D> > textures;
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for (int i=0; i<32; ++i)
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{
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std::stringstream stream;
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stream << "textures/magicitem/caust";
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stream << std::setw(2);
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stream << std::setfill('0');
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stream << i;
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stream << ".dds";
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textures.push_back(mResourceSystem->getTextureManager()->getTexture2D(stream.str(), osg::Texture2D::REPEAT, osg::Texture2D::REPEAT));
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}
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osg::ref_ptr<GlowUpdater> glowupdater (new GlowUpdater(glowColor, textures));
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node->addUpdateCallback(glowupdater);
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}
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// TODO: Should not be here
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osg::Vec4f Animation::getEnchantmentColor(MWWorld::Ptr item)
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{
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osg::Vec4f result(1,1,1,1);
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std::string enchantmentName = item.getClass().getEnchantment(item);
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if (enchantmentName.empty())
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return result;
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const ESM::Enchantment* enchantment = MWBase::Environment::get().getWorld()->getStore().get<ESM::Enchantment>().find(enchantmentName);
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assert (enchantment->mEffects.mList.size());
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const ESM::MagicEffect* magicEffect = MWBase::Environment::get().getWorld()->getStore().get<ESM::MagicEffect>().find(
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enchantment->mEffects.mList.front().mEffectID);
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result.x() = magicEffect->mData.mRed / 255.f;
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result.y() = magicEffect->mData.mGreen / 255.f;
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result.z() = magicEffect->mData.mBlue / 255.f;
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return result;
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}
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void Animation::addEffect (const std::string& model, int effectId, bool loop, const std::string& bonename, std::string texture)
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{
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// Early out if we already have this effect
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for (std::vector<EffectParams>::iterator it = mEffects.begin(); it != mEffects.end(); ++it)
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if (it->mLoop && loop && it->mEffectId == effectId && it->mBoneName == bonename)
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return;
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EffectParams params;
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params.mModelName = model;
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osg::ref_ptr<osg::Group> parentNode;
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if (bonename.empty())
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parentNode = mObjectRoot->asGroup();
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else
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{
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SceneUtil::FindByNameVisitor visitor(bonename);
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mObjectRoot->accept(visitor);
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if (!visitor.mFoundNode)
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throw std::runtime_error("Can't find bone " + bonename);
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parentNode = visitor.mFoundNode;
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}
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osg::ref_ptr<osg::Node> node = mResourceSystem->getSceneManager()->createInstance(model, parentNode);
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params.mObjects = PartHolderPtr(new PartHolder(node));
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FindMaxControllerLengthVisitor findMaxLengthVisitor;
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node->accept(findMaxLengthVisitor);
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params.mMaxControllerLength = findMaxLengthVisitor.getMaxLength();
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node->setNodeMask(Mask_Effect);
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params.mLoop = loop;
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params.mEffectId = effectId;
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params.mBoneName = bonename;
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params.mAnimTime = boost::shared_ptr<EffectAnimationTime>(new EffectAnimationTime);
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SceneUtil::AssignControllerSourcesVisitor assignVisitor(boost::shared_ptr<SceneUtil::ControllerSource>(params.mAnimTime));
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node->accept(assignVisitor);
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if (!texture.empty())
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{
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std::string correctedTexture = Misc::ResourceHelpers::correctTexturePath(texture, mResourceSystem->getVFS());
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// Not sure if wrap settings should be pulled from the overridden texture?
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osg::ref_ptr<osg::Texture2D> tex = mResourceSystem->getTextureManager()->getTexture2D(correctedTexture, osg::Texture2D::CLAMP,
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osg::Texture2D::CLAMP);
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osg::ref_ptr<osg::StateSet> stateset;
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if (node->getStateSet())
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stateset = static_cast<osg::StateSet*>(node->getStateSet()->clone(osg::CopyOp::SHALLOW_COPY));
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else
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stateset = new osg::StateSet;
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stateset->setTextureAttribute(0, tex, osg::StateAttribute::OVERRIDE);
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node->setStateSet(stateset);
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}
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// TODO: in vanilla morrowind the effect is scaled based on the host object's bounding box.
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mEffects.push_back(params);
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}
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void Animation::removeEffect(int effectId)
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{
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for (std::vector<EffectParams>::iterator it = mEffects.begin(); it != mEffects.end(); ++it)
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{
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if (it->mEffectId == effectId)
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{
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mEffects.erase(it);
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return;
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}
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}
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}
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void Animation::getLoopingEffects(std::vector<int> &out)
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{
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for (std::vector<EffectParams>::iterator it = mEffects.begin(); it != mEffects.end(); ++it)
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{
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if (it->mLoop)
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out.push_back(it->mEffectId);
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}
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}
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void Animation::updateEffects(float duration)
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{
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for (std::vector<EffectParams>::iterator it = mEffects.begin(); it != mEffects.end(); )
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{
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it->mAnimTime->addTime(duration);
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if (it->mAnimTime->getTime() >= it->mMaxControllerLength)
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{
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if (it->mLoop)
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{
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// Start from the beginning again; carry over the remainder
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// Not sure if this is actually needed, the controller function might already handle loops
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float remainder = it->mAnimTime->getTime() - it->mMaxControllerLength;
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it->mAnimTime->resetTime(remainder);
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}
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else
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{
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it = mEffects.erase(it);
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continue;
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}
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}
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++it;
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}
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}
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float Animation::EffectAnimationTime::getValue(osg::NodeVisitor*)
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{
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return mTime;
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}
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void Animation::EffectAnimationTime::addTime(float duration)
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{
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mTime += duration;
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}
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void Animation::EffectAnimationTime::resetTime(float time)
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{
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mTime = time;
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}
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float Animation::EffectAnimationTime::getTime() const
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{
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return mTime;
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}
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// --------------------------------------------------------------------------------
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ObjectAnimation::ObjectAnimation(const MWWorld::Ptr &ptr, const std::string &model, Resource::ResourceSystem* resourceSystem)
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: Animation(ptr, osg::ref_ptr<osg::Group>(ptr.getRefData().getBaseNode()), resourceSystem)
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{
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if (!model.empty())
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{
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setObjectRoot(model);
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if (!ptr.getClass().getEnchantment(ptr).empty())
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addGlow(mObjectRoot, getEnchantmentColor(ptr));
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}
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}
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}
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