Refactoring. Move all code related to 'view over shoulder' to a separate file.
Petr Mikheev
5 years ago
parent
5bdf61a886
commit
51173ebcf5
@ -0,0 +1,99 @@
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#include "viewovershoulder.hpp"
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#include <osg/Quat>
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#include <components/settings/settings.hpp>
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#include "../mwbase/environment.hpp"
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#include "../mwbase/world.hpp"
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#include "../mwworld/class.hpp"
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#include "../mwworld/ptr.hpp"
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#include "../mwworld/refdata.hpp"
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#include "../mwmechanics/drawstate.hpp"
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namespace MWRender
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{
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ViewOverShoulderController::ViewOverShoulderController(Camera* camera) :
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mCamera(camera), mMode(Mode::RightShoulder),
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mAutoSwitchShoulder(Settings::Manager::getBool("auto switch shoulder", "Camera")),
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mOverShoulderHorizontalOffset(30.f), mOverShoulderVerticalOffset(-10.f)
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{
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std::stringstream offset(Settings::Manager::getString("view over shoulder offset", "Camera"));
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offset >> mOverShoulderHorizontalOffset >> mOverShoulderVerticalOffset;
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mDefaultShoulderIsRight = mOverShoulderHorizontalOffset >= 0;
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mOverShoulderHorizontalOffset = std::abs(mOverShoulderHorizontalOffset);
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mCamera->enableDynamicCameraDistance(true);
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mCamera->enableCrosshairInThirdPersonMode(true);
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}
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void ViewOverShoulderController::update()
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{
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if (mCamera->isVanityOrPreviewModeEnabled() || mCamera->isFirstPerson())
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return;
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Mode newMode = mMode;
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auto ptr = mCamera->getTrackingPtr();
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if (ptr.getClass().isActor() && ptr.getClass().getCreatureStats(ptr).getDrawState() != MWMechanics::DrawState_Nothing)
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newMode = Mode::Combat;
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else if (MWBase::Environment::get().getWorld()->isSwimming(ptr))
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newMode = Mode::Swimming;
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else if (mMode == Mode::Combat || mMode == Mode::Swimming)
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newMode = mDefaultShoulderIsRight ? Mode::RightShoulder : Mode::LeftShoulder;
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if (newMode != mMode)
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{
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if (newMode == Mode::Combat || mMode == Mode::Combat)
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mCamera->setFocalPointTransitionSpeed(5.f);
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else
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mCamera->setFocalPointTransitionSpeed(1.f);
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mMode = newMode;
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}
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if (mAutoSwitchShoulder && (mMode == Mode::LeftShoulder || mMode == Mode::RightShoulder))
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trySwitchShoulder();
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osg::Vec2d focalPointTargetOffset;
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switch (mMode)
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{
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case Mode::RightShoulder:
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mCamera->setFocalPointTargetOffset({mOverShoulderHorizontalOffset, mOverShoulderVerticalOffset});
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break;
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case Mode::LeftShoulder:
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mCamera->setFocalPointTargetOffset({-mOverShoulderHorizontalOffset, mOverShoulderVerticalOffset});
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break;
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case Mode::Combat:
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case Mode::Swimming:
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default:
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mCamera->setFocalPointTargetOffset({0, 15});
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}
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}
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void ViewOverShoulderController::trySwitchShoulder()
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{
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const float limitToSwitch = 120; // switch to other shoulder if wall is closer than this limit
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const float limitToSwitchBack = 300; // switch back to default shoulder if there is no walls at this distance
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auto orient = osg::Quat(mCamera->getYaw(), osg::Vec3d(0,0,1));
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osg::Vec3d playerPos = mCamera->getFocalPoint() - mCamera->getFocalPointOffset();
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MWBase::World* world = MWBase::Environment::get().getWorld();
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osg::Vec3d sideOffset = orient * osg::Vec3d(world->getHalfExtents(mCamera->getTrackingPtr()).x() - 1, 0, 0);
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float rayRight = world->getDistToNearestRayHit(
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playerPos + sideOffset, orient * osg::Vec3d(1, 1, 0), limitToSwitchBack + 1);
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float rayLeft = world->getDistToNearestRayHit(
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playerPos - sideOffset, orient * osg::Vec3d(-1, 1, 0), limitToSwitchBack + 1);
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float rayForward = world->getDistToNearestRayHit(
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playerPos, orient * osg::Vec3d(0, 1, 0), limitToSwitchBack + 1);
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if (rayLeft < limitToSwitch && rayRight > limitToSwitchBack)
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mMode = Mode::RightShoulder;
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else if (rayRight < limitToSwitch && rayLeft > limitToSwitchBack)
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mMode = Mode::LeftShoulder;
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else if (rayLeft > limitToSwitchBack && rayRight > limitToSwitchBack && rayForward > limitToSwitchBack)
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mMode = mDefaultShoulderIsRight ? Mode::RightShoulder : Mode::LeftShoulder;
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}
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}
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@ -0,0 +1,30 @@
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#ifndef VIEWOVERSHOULDER_H
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#define VIEWOVERSHOULDER_H
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#include "camera.hpp"
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namespace MWRender
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{
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class ViewOverShoulderController
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{
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public:
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ViewOverShoulderController(Camera* camera);
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void update();
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private:
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void trySwitchShoulder();
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enum class Mode { RightShoulder, LeftShoulder, Combat, Swimming };
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Camera* mCamera;
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Mode mMode;
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bool mAutoSwitchShoulder;
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float mOverShoulderHorizontalOffset;
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float mOverShoulderVerticalOffset;
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bool mDefaultShoulderIsRight;
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};
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}
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#endif // VIEWOVERSHOULDER_H
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