You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
openmw-tes3mp/apps/openmw/mwrender/characterpreview.cpp

403 lines
14 KiB
C++

#include "characterpreview.hpp"
#include <iostream>
#include <osg/Fog>
#include <osg/Texture2D>
#include <osg/Camera>
#include <osg/PositionAttitudeTransform>
#include <osgViewer/Viewer>
#include <osg/LightModel>
#include <osgUtil/IntersectionVisitor>
#include <osgUtil/LineSegmentIntersector>
#include <components/sceneutil/lightmanager.hpp>
#include "../mwbase/environment.hpp"
#include "../mwbase/world.hpp"
#include "../mwworld/class.hpp"
#include "../mwworld/inventorystore.hpp"
#include "../mwmechanics/actorutil.hpp"
#include "npcanimation.hpp"
#include "vismask.hpp"
namespace MWRender
{
class DrawOnceCallback : public osg::NodeCallback
{
public:
DrawOnceCallback ()
: mRendered(false)
, mLastRenderedFrame(0)
{
}
virtual void operator () (osg::Node* node, osg::NodeVisitor* nv)
{
if (!mRendered)
{
mRendered = true;
mLastRenderedFrame = nv->getTraversalNumber();
traverse(node, nv);
}
else
{
node->setNodeMask(0);
}
}
void redrawNextFrame()
{
mRendered = false;
}
unsigned int getLastRenderedFrame() const
{
return mLastRenderedFrame;
}
private:
bool mRendered;
unsigned int mLastRenderedFrame;
};
CharacterPreview::CharacterPreview(osgViewer::Viewer* viewer, Resource::ResourceSystem* resourceSystem,
MWWorld::Ptr character, int sizeX, int sizeY, const osg::Vec3f& position, const osg::Vec3f& lookAt)
: mViewer(viewer)
, mResourceSystem(resourceSystem)
, mPosition(position)
, mLookAt(lookAt)
, mCharacter(character)
, mAnimation(NULL)
, mSizeX(sizeX)
, mSizeY(sizeY)
{
mTexture = new osg::Texture2D;
mTexture->setTextureSize(sizeX, sizeY);
mTexture->setInternalFormat(GL_RGBA);
mTexture->setFilter(osg::Texture::MIN_FILTER, osg::Texture::LINEAR);
mTexture->setFilter(osg::Texture::MAG_FILTER, osg::Texture::LINEAR);
mCamera = new osg::Camera;
// hints that the camera is not relative to the master camera
mCamera->setReferenceFrame(osg::Camera::ABSOLUTE_RF);
mCamera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT, osg::Camera::PIXEL_BUFFER_RTT);
mCamera->setClearColor(osg::Vec4(0.f, 0.f, 0.f, 0.f));
mCamera->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
const float fovYDegrees = 12.3f;
mCamera->setProjectionMatrixAsPerspective(fovYDegrees, sizeX/static_cast<float>(sizeY), 0.1f, 10000.f); // zNear and zFar are autocomputed
mCamera->setViewport(0, 0, sizeX, sizeY);
mCamera->setRenderOrder(osg::Camera::PRE_RENDER);
mCamera->attach(osg::Camera::COLOR_BUFFER, mTexture);
mCamera->setGraphicsContext(mViewer->getCamera()->getGraphicsContext());
mCamera->setNodeMask(Mask_RenderToTexture);
osg::ref_ptr<SceneUtil::LightManager> lightManager = new SceneUtil::LightManager;
lightManager->setStartLight(1);
osg::ref_ptr<osg::StateSet> stateset = lightManager->getOrCreateStateSet();
stateset->setMode(GL_LIGHTING, osg::StateAttribute::ON);
stateset->setMode(GL_NORMALIZE, osg::StateAttribute::ON);
stateset->setMode(GL_CULL_FACE, osg::StateAttribute::ON);
// assign large value to effectively turn off fog
// shaders don't respect glDisable(GL_FOG)
osg::ref_ptr<osg::Fog> fog (new osg::Fog);
fog->setStart(10000000);
fog->setEnd(10000000);
stateset->setAttributeAndModes(fog, osg::StateAttribute::OFF|osg::StateAttribute::OVERRIDE);
osg::ref_ptr<osg::LightModel> lightmodel = new osg::LightModel;
lightmodel->setAmbientIntensity(osg::Vec4(0.25, 0.25, 0.25, 1.0));
stateset->setAttributeAndModes(lightmodel, osg::StateAttribute::ON);
/// \todo Read the fallback values from INIImporter (Inventory:Directional*) ?
osg::ref_ptr<osg::Light> light = new osg::Light;
light->setPosition(osg::Vec4(-0.3,0.3,0.7, 0.0));
light->setDiffuse(osg::Vec4(1,1,1,1));
light->setAmbient(osg::Vec4(0,0,0,1));
light->setSpecular(osg::Vec4(0,0,0,0));
light->setLightNum(0);
light->setConstantAttenuation(1.f);
light->setLinearAttenuation(0.f);
light->setQuadraticAttenuation(0.f);
osg::ref_ptr<osg::LightSource> lightSource = new osg::LightSource;
lightSource->setLight(light);
lightSource->setStateSetModes(*stateset, osg::StateAttribute::ON);
lightManager->addChild(lightSource);
mCamera->addChild(lightManager);
mNode = new osg::PositionAttitudeTransform;
lightManager->addChild(mNode);
mDrawOnceCallback = new DrawOnceCallback;
mCamera->addUpdateCallback(mDrawOnceCallback);
mViewer->getSceneData()->asGroup()->addChild(mCamera);
mCharacter.mCell = NULL;
}
CharacterPreview::~CharacterPreview ()
{
mViewer->getSceneData()->asGroup()->removeChild(mCamera);
}
int CharacterPreview::getTextureWidth() const
{
return mSizeX;
}
int CharacterPreview::getTextureHeight() const
{
return mSizeY;
}
void CharacterPreview::onSetup()
{
}
osg::ref_ptr<osg::Texture2D> CharacterPreview::getTexture()
{
return mTexture;
}
void CharacterPreview::rebuild()
{
mAnimation.reset(NULL);
mAnimation.reset(new NpcAnimation(mCharacter, mNode, mResourceSystem, true, true,
(renderHeadOnly() ? NpcAnimation::VM_HeadOnly : NpcAnimation::VM_Normal)));
onSetup();
redraw();
}
void CharacterPreview::redraw()
{
mCamera->setNodeMask(~0);
mDrawOnceCallback->redrawNextFrame();
}
// --------------------------------------------------------------------------------------------------
InventoryPreview::InventoryPreview(osgViewer::Viewer* viewer, Resource::ResourceSystem* resourceSystem, MWWorld::Ptr character)
: CharacterPreview(viewer, resourceSystem, character, 512, 1024, osg::Vec3f(0, 700, 71), osg::Vec3f(0,0,71))
{
}
void InventoryPreview::setViewport(int sizeX, int sizeY)
{
sizeX = std::max(sizeX, 0);
sizeY = std::max(sizeY, 0);
mCamera->setViewport(0, mSizeY-sizeY, std::min(mSizeX, sizeX), std::min(mSizeY, sizeY));
redraw();
}
void InventoryPreview::update()
{
if (!mAnimation.get())
return;
mAnimation->showWeapons(true);
mAnimation->updateParts();
MWWorld::InventoryStore &inv = mCharacter.getClass().getInventoryStore(mCharacter);
MWWorld::ContainerStoreIterator iter = inv.getSlot(MWWorld::InventoryStore::Slot_CarriedRight);
std::string groupname;
bool showCarriedLeft = true;
if(iter == inv.end())
groupname = "inventoryhandtohand";
else
{
const std::string &type = iter->getTypeName();
if(type == typeid(ESM::Lockpick).name() || type == typeid(ESM::Probe).name())
groupname = "inventoryweapononehand";
else if(type == typeid(ESM::Weapon).name())
{
MWWorld::LiveCellRef<ESM::Weapon> *ref = iter->get<ESM::Weapon>();
int type = ref->mBase->mData.mType;
if(type == ESM::Weapon::ShortBladeOneHand ||
type == ESM::Weapon::LongBladeOneHand ||
type == ESM::Weapon::BluntOneHand ||
type == ESM::Weapon::AxeOneHand ||
type == ESM::Weapon::MarksmanThrown ||
type == ESM::Weapon::MarksmanCrossbow ||
type == ESM::Weapon::MarksmanBow)
groupname = "inventoryweapononehand";
else if(type == ESM::Weapon::LongBladeTwoHand ||
type == ESM::Weapon::BluntTwoClose ||
type == ESM::Weapon::AxeTwoHand)
groupname = "inventoryweapontwohand";
else if(type == ESM::Weapon::BluntTwoWide ||
type == ESM::Weapon::SpearTwoWide)
groupname = "inventoryweapontwowide";
else
groupname = "inventoryhandtohand";
showCarriedLeft = (iter->getClass().canBeEquipped(*iter, mCharacter).first != 2);
}
else
groupname = "inventoryhandtohand";
}
mAnimation->showCarriedLeft(showCarriedLeft);
mCurrentAnimGroup = groupname;
mAnimation->play(mCurrentAnimGroup, 1, Animation::BlendMask_All, false, 1.0f, "start", "stop", 0.0f, 0);
MWWorld::ContainerStoreIterator torch = inv.getSlot(MWWorld::InventoryStore::Slot_CarriedLeft);
if(torch != inv.end() && torch->getTypeName() == typeid(ESM::Light).name() && showCarriedLeft)
{
if(!mAnimation->getInfo("torch"))
mAnimation->play("torch", 2, Animation::BlendMask_LeftArm, false,
1.0f, "start", "stop", 0.0f, ~0ul, true);
}
else if(mAnimation->getInfo("torch"))
mAnimation->disable("torch");
mAnimation->runAnimation(0.0f);
redraw();
}
int InventoryPreview::getSlotSelected (int posX, int posY)
{
float projX = (posX / mCamera->getViewport()->width()) * 2 - 1.f;
float projY = (posY / mCamera->getViewport()->height()) * 2 - 1.f;
// With Intersector::WINDOW, the intersection ratios are slightly inaccurate. Seems to be a
// precision issue - compiling with OSG_USE_FLOAT_MATRIX=0, Intersector::WINDOW works ok.
// Using Intersector::PROJECTION results in better precision because the start/end points and the model matrices
// don't go through as many transformations.
osg::ref_ptr<osgUtil::LineSegmentIntersector> intersector (new osgUtil::LineSegmentIntersector(osgUtil::Intersector::PROJECTION, projX, projY));
intersector->setIntersectionLimit(osgUtil::LineSegmentIntersector::LIMIT_NEAREST);
osgUtil::IntersectionVisitor visitor(intersector);
visitor.setTraversalMode(osg::NodeVisitor::TRAVERSE_ACTIVE_CHILDREN);
// Set the traversal number from the last draw, so that the frame switch used for RigGeometry double buffering works correctly
visitor.setTraversalNumber(mDrawOnceCallback->getLastRenderedFrame());
osg::Node::NodeMask nodeMask = mCamera->getNodeMask();
mCamera->setNodeMask(~0);
mCamera->accept(visitor);
mCamera->setNodeMask(nodeMask);
if (intersector->containsIntersections())
{
osgUtil::LineSegmentIntersector::Intersection intersection = intersector->getFirstIntersection();
return mAnimation->getSlot(intersection.nodePath);
}
return -1;
}
void InventoryPreview::updatePtr(const MWWorld::Ptr &ptr)
{
mCharacter = MWWorld::Ptr(ptr.getBase(), NULL);
}
void InventoryPreview::onSetup()
{
osg::Vec3f scale (1.f, 1.f, 1.f);
mCharacter.getClass().adjustScale(mCharacter, scale, true);
mNode->setScale(scale);
mCamera->setViewMatrixAsLookAt(mPosition * scale.z(), mLookAt * scale.z(), osg::Vec3f(0,0,1));
}
// --------------------------------------------------------------------------------------------------
RaceSelectionPreview::RaceSelectionPreview(osgViewer::Viewer* viewer, Resource::ResourceSystem* resourceSystem)
: CharacterPreview(viewer, resourceSystem, MWMechanics::getPlayer(),
512, 512, osg::Vec3f(0, 125, 8), osg::Vec3f(0,0,8))
, mBase (*mCharacter.get<ESM::NPC>()->mBase)
, mRef(&mBase)
, mPitchRadians(osg::DegreesToRadians(6.f))
{
mCharacter = MWWorld::Ptr(&mRef, NULL);
}
RaceSelectionPreview::~RaceSelectionPreview()
{
}
void RaceSelectionPreview::setAngle(float angleRadians)
{
mNode->setAttitude(osg::Quat(mPitchRadians, osg::Vec3(1,0,0))
* osg::Quat(angleRadians, osg::Vec3(0,0,1)));
redraw();
}
void RaceSelectionPreview::setPrototype(const ESM::NPC &proto)
{
mBase = proto;
mBase.mId = "player";
rebuild();
}
class UpdateCameraCallback : public osg::NodeCallback
{
public:
UpdateCameraCallback(osg::ref_ptr<const osg::Node> nodeToFollow, const osg::Vec3& posOffset, const osg::Vec3& lookAtOffset)
: mNodeToFollow(nodeToFollow)
, mPosOffset(posOffset)
, mLookAtOffset(lookAtOffset)
{
}
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
{
osg::Camera* cam = static_cast<osg::Camera*>(node);
// Update keyframe controllers in the scene graph first...
traverse(node, nv);
// Now update camera utilizing the updated head position
osg::NodePathList nodepaths = mNodeToFollow->getParentalNodePaths();
if (nodepaths.empty())
return;
osg::Matrix worldMat = osg::computeLocalToWorld(nodepaths[0]);
osg::Vec3 headOffset = worldMat.getTrans();
cam->setViewMatrixAsLookAt(headOffset + mPosOffset, headOffset + mLookAtOffset, osg::Vec3(0,0,1));
}
private:
osg::ref_ptr<const osg::Node> mNodeToFollow;
osg::Vec3 mPosOffset;
osg::Vec3 mLookAtOffset;
};
void RaceSelectionPreview::onSetup ()
{
mAnimation->play("idle", 1, Animation::BlendMask_All, false, 1.0f, "start", "stop", 0.0f, 0);
mAnimation->runAnimation(0.f);
// attach camera to follow the head node
if (mUpdateCameraCallback)
mCamera->removeUpdateCallback(mUpdateCameraCallback);
const osg::Node* head = mAnimation->getNode("Bip01 Head");
if (head)
{
mUpdateCameraCallback = new UpdateCameraCallback(head, mPosition, mLookAt);
mCamera->addUpdateCallback(mUpdateCameraCallback);
}
else
std::cerr << "Error: Bip01 Head node not found" << std::endl;
}
}