forked from teamnwah/openmw-tes3coop
item selection working on the preview
scrawl
12 years ago
parent
eef750e6b0
commit
6ac2a12296
@ -1 +1 @@
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Subproject commit 7168415233905de2864eec71ed4312cb8f83059b
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Subproject commit 4750676ac46a7aaa86bca53dc68c5a1ba11f3bc1
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@ -0,0 +1,8 @@
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material SelectionColour
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{
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pass
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{
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vertex_program selection_vertex
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fragment_program selection_fragment
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}
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}
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#include "core.h"
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#ifdef SH_VERTEX_SHADER
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SH_BEGIN_PROGRAM
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shUniform(float4x4, wvp) @shAutoConstant(wvp, worldviewproj_matrix)
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SH_START_PROGRAM
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{
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shOutputPosition = shMatrixMult(wvp, shInputPosition);
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}
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#else
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SH_BEGIN_PROGRAM
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shUniform(float4, colour) @shAutoConstant(colour, custom, 1)
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SH_START_PROGRAM
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{
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shOutputColour(0) = colour;
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//shOutputColour(0) = float4(1,0,0,1);
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}
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#endif
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shader_set selection_vertex
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{
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source selection.shader
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type vertex
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profiles_cg vs_2_0 arbvp1
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profiles_hlsl vs_2_0
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}
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shader_set selection_fragment
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{
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source selection.shader
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type fragment
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profiles_cg ps_2_x ps_2_0 ps arbfp1
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profiles_hlsl ps_2_0
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}
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#include "selectionbuffer.hpp"
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#include <OgreHardwarePixelBuffer.h>
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#include <OgreRenderTexture.h>
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#include <OgreSubEntity.h>
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#include <OgreEntity.h>
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#include <extern/shiny/Main/Factory.hpp>
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namespace OEngine
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{
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namespace Render
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{
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SelectionBuffer::SelectionBuffer(Ogre::Camera *camera, int sizeX, int sizeY, int visibilityFlags)
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{
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mTexture = Ogre::TextureManager::getSingleton().createManual("SelectionBuffer",
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Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D, sizeX, sizeY, 0, Ogre::PF_R8G8B8, Ogre::TU_RENDERTARGET);
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mRenderTarget = mTexture->getBuffer()->getRenderTarget();
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Ogre::Viewport* vp = mRenderTarget->addViewport(camera);
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vp->setOverlaysEnabled(false);
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vp->setBackgroundColour(Ogre::ColourValue(0, 0, 0, 0));
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vp->setShadowsEnabled(false);
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vp->setMaterialScheme("selectionbuffer");
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vp->setVisibilityMask (visibilityFlags);
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mRenderTarget->setActive(true);
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mRenderTarget->setAutoUpdated (false);
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mCurrentColour = Ogre::ColourValue(0.3, 0.3, 0.3);
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}
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SelectionBuffer::~SelectionBuffer()
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{
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Ogre::TextureManager::getSingleton ().remove("SelectionBuffer");
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}
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void SelectionBuffer::update ()
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{
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Ogre::MaterialManager::getSingleton ().addListener (this);
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mRenderTarget->update();
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Ogre::MaterialManager::getSingleton ().removeListener (this);
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mTexture->convertToImage(mBuffer);
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}
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int SelectionBuffer::getSelected(int xPos, int yPos)
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{
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Ogre::ColourValue clr = mBuffer.getColourAt (xPos, yPos, 0);
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clr.a = 1;
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if (mColourMap.find(clr) != mColourMap.end())
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return mColourMap[clr];
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else
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return -1; // nothing selected
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}
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Ogre::Technique* SelectionBuffer::handleSchemeNotFound (
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unsigned short schemeIndex, const Ogre::String &schemeName, Ogre::Material *originalMaterial,
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unsigned short lodIndex, const Ogre::Renderable *rend)
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{
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if (schemeName == "selectionbuffer")
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{
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sh::Factory::getInstance ()._ensureMaterial ("SelectionColour", "Default");
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Ogre::MaterialPtr m = Ogre::MaterialManager::getSingleton ().getByName("SelectionColour");
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if(typeid(*rend) == typeid(Ogre::SubEntity))
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{
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const Ogre::SubEntity *subEntity = static_cast<const Ogre::SubEntity *>(rend);
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int id = subEntity->getParent ()->getUserObjectBindings().getUserAny().get<int>();
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std::cout << "found ID:" << id << " entity name is " << subEntity->getParent()->getName() << std::endl;
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bool found = false;
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Ogre::ColourValue colour;
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for (std::map<Ogre::ColourValue, int>::iterator it = mColourMap.begin(); it != mColourMap.end(); ++it)
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{
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if (it->second == id)
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{
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found = true;
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colour = it->first;
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}
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}
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if (!found)
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{
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getNextColour();
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const_cast<Ogre::SubEntity *>(subEntity)->setCustomParameter(1, Ogre::Vector4(mCurrentColour.r, mCurrentColour.g, mCurrentColour.b, 1.0));
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mColourMap[mCurrentColour] = id;
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}
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else
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{
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const_cast<Ogre::SubEntity *>(subEntity)->setCustomParameter(1, Ogre::Vector4(colour.r, colour.g, colour.b, 1.0));
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}
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assert(m->getTechnique(1));
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return m->getTechnique(1);
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}
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else
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throw std::runtime_error("selectionbuffer only works with entities");
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}
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return NULL;
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}
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void SelectionBuffer::getNextColour ()
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{
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Ogre::ARGB color = (float(rand()) / float(RAND_MAX)) * std::numeric_limits<Ogre::uint32>::max();
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if (mCurrentColour.getAsARGB () == color)
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{
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getNextColour();
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return;
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}
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mCurrentColour.setAsARGB(color);
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mCurrentColour.a = 1;
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}
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}
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}
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@ -0,0 +1,54 @@
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#ifndef OENGINE_SELECTIONBUFFER_H
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#define OENGINE_SELECTIONBUFFER_H
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#include <OgreTexture.h>
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#include <OgreRenderTarget.h>
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#include <OgreMaterialManager.h>
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namespace OEngine
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{
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namespace Render
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{
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struct cmp_ColourValue
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{
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bool operator()(const Ogre::ColourValue &a, const Ogre::ColourValue &b) const
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{
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return a.getAsBGRA() < b.getAsBGRA();
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}
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};
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class SelectionBuffer : public Ogre::MaterialManager::Listener
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{
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public:
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SelectionBuffer(Ogre::Camera* camera, int sizeX, int sizeY, int visibilityFlags);
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virtual ~SelectionBuffer();
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int getSelected(int xPos, int yPos);
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///< @return ID of the selected object
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void update();
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virtual Ogre::Technique* handleSchemeNotFound (
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unsigned short schemeIndex, const Ogre::String &schemeName, Ogre::Material *originalMaterial,
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unsigned short lodIndex, const Ogre::Renderable *rend);
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private:
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Ogre::TexturePtr mTexture;
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Ogre::RenderTexture* mRenderTarget;
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Ogre::Image mBuffer;
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std::map<Ogre::ColourValue, int, cmp_ColourValue> mColourMap;
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Ogre::ColourValue mCurrentColour;
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void getNextColour();
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};
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}
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}
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#endif
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