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Fix being able to place items on top of actors (Fixes #1403)

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This commit is contained in:
scrawl 2014-06-06 00:43:07 +02:00
parent 3d103f3785
commit c36decb855
3 changed files with 15 additions and 4 deletions
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4
apps/openmw/mwworld/physicssystem.cpp
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@ -492,7 +492,7 @@ namespace MWWorld
return std::make_pair(true, ray.getPoint(len * test.second));
}
std::pair<bool, Ogre::Vector3> PhysicsSystem::castRay(float mouseX, float mouseY, Ogre::Vector3* normal)
std::pair<bool, Ogre::Vector3> PhysicsSystem::castRay(float mouseX, float mouseY, Ogre::Vector3* normal, std::string* hit)
{
Ogre::Ray ray = mRender.getCamera()->getCameraToViewportRay(
mouseX,
@ -510,6 +510,8 @@ namespace MWWorld
return std::make_pair(false, Ogre::Vector3());
else
{
if (hit != NULL)
*hit = result.first;
return std::make_pair(true, ray.getPoint(200*result.second)); /// \todo make this distance (ray length) configurable
}
}

3
apps/openmw/mwworld/physicssystem.hpp
View file

@ -70,9 +70,10 @@ namespace MWWorld
std::pair<bool, Ogre::Vector3>
castRay(const Ogre::Vector3 &orig, const Ogre::Vector3 &dir, float len);
std::pair<bool, Ogre::Vector3> castRay(float mouseX, float mouseY, Ogre::Vector3* normal = NULL);
std::pair<bool, Ogre::Vector3> castRay(float mouseX, float mouseY, Ogre::Vector3* normal = NULL, std::string* hit = NULL);
///< cast ray from the mouse, return true if it hit something and the first result
/// @param normal if non-NULL, the hit normal will be written there (if there is a hit)
/// @param hit if non-NULL, the string handle of the hit object will be written there (if there is a hit)
OEngine::Physic::PhysicEngine* getEngine();

12
apps/openmw/mwworld/worldimp.cpp
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@ -1624,12 +1624,20 @@ namespace MWWorld
bool World::canPlaceObject(float cursorX, float cursorY)
{
Ogre::Vector3 normal(0,0,0);
std::pair<bool, Ogre::Vector3> result = mPhysics->castRay(cursorX, cursorY, &normal);
std::string handle;
std::pair<bool, Ogre::Vector3> result = mPhysics->castRay(cursorX, cursorY, &normal, &handle);
if (result.first)
{
// check if the wanted position is on a flat surface, and not e.g. against a vertical wall
return (normal.angleBetween(Ogre::Vector3(0.f,0.f,1.f)).valueDegrees() < 30);
if (normal.angleBetween(Ogre::Vector3(0.f,0.f,1.f)).valueDegrees() >= 30)
return false;
MWWorld::Ptr hitObject = searchPtrViaHandle(handle);
if (!hitObject.isEmpty() && hitObject.getClass().isActor())
return false;
return true;
}
else
return false;