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Code Issues Releases Wiki Activity

Add ManualResourceLoader for fog of war textures (Fixes #1675)

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This commit is contained in:
scrawl 2014-07-24 19:00:57 +02:00
parent 4b3e12bfb4
commit 4ec51b386a
2 changed files with 31 additions and 2 deletions
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28
apps/openmw/mwrender/localmap.cpp
View file

@ -340,7 +340,9 @@ Ogre::TexturePtr LocalMap::createFogOfWarTexture(const std::string &texName)
sFogOfWarResolution, sFogOfWarResolution,
0,
PF_A8R8G8B8,
TU_DYNAMIC_WRITE_ONLY);
TU_DYNAMIC_WRITE_ONLY,
this // ManualResourceLoader required if the texture contents are lost (due to lost devices nonsense that can occur with D3D)
);
}
return tex;
@ -457,6 +459,30 @@ bool LocalMap::isPositionExplored (float nX, float nY, int x, int y, bool interi
return alpha < 200;
}
void LocalMap::loadResource(Ogre::Resource* resource)
{
std::string resourceName = resource->getName();
size_t pos = resourceName.find("_fog");
if (pos != std::string::npos)
resourceName = resourceName.substr(0, pos);
if (mBuffers.find(resourceName) == mBuffers.end())
{
// create a buffer to use for dynamic operations
std::vector<uint32> buffer;
// initialize to (0, 0, 0, 1)
buffer.resize(sFogOfWarResolution*sFogOfWarResolution, 0xFF000000);
mBuffers[resourceName] = buffer;
}
std::vector<uint32>& buffer = mBuffers[resourceName];
Ogre::Texture* tex = dynamic_cast<Ogre::Texture*>(resource);
tex->createInternalResources();
memcpy(tex->getBuffer()->lock(HardwareBuffer::HBL_DISCARD), &buffer[0], sFogOfWarResolution*sFogOfWarResolution*4);
tex->getBuffer()->unlock();
}
void LocalMap::updatePlayer (const Ogre::Vector3& position, const Ogre::Quaternion& orientation)
{
if (sFogOfWarSkip != 0)

5
apps/openmw/mwrender/localmap.hpp
View file

@ -5,6 +5,7 @@
#include <OgreAxisAlignedBox.h>
#include <OgreColourValue.h>
#include <OgreResource.h>
namespace MWWorld
{
@ -23,12 +24,14 @@ namespace MWRender
///
/// \brief Local map rendering
///
class LocalMap
class LocalMap : public Ogre::ManualResourceLoader
{
public:
LocalMap(OEngine::Render::OgreRenderer*, MWRender::RenderingManager* rendering);
~LocalMap();
virtual void loadResource(Ogre::Resource* resource);
/**
* Clear all savegame-specific data (i.e. fog of war textures)
*/