teamnwah/openmw-tes3coop
2
0
Fork 1
forked from mirror/openmw-tes3mp
Code Issues Pull requests 1 Releases Wiki Activity

Replace game version of pathgrid rendering with component.

Browse source
This commit is contained in:
Aesylwinn 2016-05-02 22:10:17 -04:00
parent d141672b53
commit 5cac882123
2 changed files with 3 additions and 109 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

109
apps/openmw/mwrender/pathgrid.cpp
View file

@ -8,6 +8,7 @@
#include <components/esm/loadstat.hpp>
#include <components/esm/loadpgrd.hpp>
#include <components/sceneutil/pathgridutil.hpp>
#include "../mwbase/world.hpp" // these includes can be removed once the static-hack is gone
#include "../mwbase/environment.hpp"
@ -23,107 +24,6 @@
namespace MWRender
{
static const int POINT_MESH_BASE = 35;
osg::ref_ptr<osg::Geometry> Pathgrid::createPathgridLines(const ESM::Pathgrid *pathgrid)
{
osg::ref_ptr<osg::Geometry> geom = new osg::Geometry;
osg::ref_ptr<osg::Vec3Array> vertices = new osg::Vec3Array;
for(ESM::Pathgrid::EdgeList::const_iterator it = pathgrid->mEdges.begin();
it != pathgrid->mEdges.end();
++it)
{
const ESM::Pathgrid::Edge &edge = *it;
const ESM::Pathgrid::Point &p1 = pathgrid->mPoints[edge.mV0], &p2 = pathgrid->mPoints[edge.mV1];
osg::Vec3f direction = MWMechanics::PathFinder::MakeOsgVec3(p2) - MWMechanics::PathFinder::MakeOsgVec3(p1);
osg::Vec3f lineDisplacement = (direction^osg::Vec3f(0,0,1));
lineDisplacement.normalize();
lineDisplacement = lineDisplacement * POINT_MESH_BASE +
osg::Vec3f(0, 0, 10); // move lines up a little, so they will be less covered by meshes/landscape
vertices->push_back(MWMechanics::PathFinder::MakeOsgVec3(p1) + lineDisplacement);
vertices->push_back(MWMechanics::PathFinder::MakeOsgVec3(p2) + lineDisplacement);
}
geom->setVertexArray(vertices);
geom->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::LINES, 0, vertices->size()));
osg::ref_ptr<osg::Vec4Array> colors = new osg::Vec4Array;
colors->push_back(osg::Vec4(1.f, 1.f, 0.f, 1.f));
geom->setColorArray(colors, osg::Array::BIND_OVERALL);
return geom;
}
osg::ref_ptr<osg::Geometry> Pathgrid::createPathgridPoints(const ESM::Pathgrid *pathgrid)
{
osg::ref_ptr<osg::Geometry> geom = new osg::Geometry;
const float height = POINT_MESH_BASE * sqrtf(2);
osg::ref_ptr<osg::Vec3Array> vertices = new osg::Vec3Array;
osg::ref_ptr<osg::UShortArray> indices = new osg::UShortArray;
bool first = true;
unsigned short startIndex = 0;
for(ESM::Pathgrid::PointList::const_iterator it = pathgrid->mPoints.begin();
it != pathgrid->mPoints.end();
++it, startIndex += 6)
{
osg::Vec3f pointPos(MWMechanics::PathFinder::MakeOsgVec3(*it));
if (!first)
{
// degenerate triangle from previous octahedron
indices->push_back(startIndex - 4); // 2nd point of previous octahedron
indices->push_back(startIndex); // start point of current octahedron
}
float pointMeshBase = static_cast<float>(POINT_MESH_BASE);
vertices->push_back(pointPos + osg::Vec3f(0, 0, height)); // 0
vertices->push_back(pointPos + osg::Vec3f(-pointMeshBase, -pointMeshBase, 0)); // 1
vertices->push_back(pointPos + osg::Vec3f(pointMeshBase, -pointMeshBase, 0)); // 2
vertices->push_back(pointPos + osg::Vec3f(pointMeshBase, pointMeshBase, 0)); // 3
vertices->push_back(pointPos + osg::Vec3f(-pointMeshBase, pointMeshBase, 0)); // 4
vertices->push_back(pointPos + osg::Vec3f(0, 0, -height)); // 5
indices->push_back(startIndex + 0);
indices->push_back(startIndex + 1);
indices->push_back(startIndex + 2);
indices->push_back(startIndex + 5);
indices->push_back(startIndex + 3);
indices->push_back(startIndex + 4);
// degenerates
indices->push_back(startIndex + 4);
indices->push_back(startIndex + 5);
indices->push_back(startIndex + 5);
// end degenerates
indices->push_back(startIndex + 1);
indices->push_back(startIndex + 4);
indices->push_back(startIndex + 0);
indices->push_back(startIndex + 3);
indices->push_back(startIndex + 2);
first = false;
}
geom->setVertexArray(vertices);
geom->addPrimitiveSet(new osg::DrawElementsUShort(osg::PrimitiveSet::TRIANGLE_STRIP, indices->size(), &(*indices)[0]));
osg::ref_ptr<osg::Vec4Array> colors = new osg::Vec4Array;
colors->push_back(osg::Vec4(1.f, 0.f, 0.f, 1.f));
geom->setColorArray(colors, osg::Array::BIND_OVERALL);
return geom;
}
Pathgrid::Pathgrid(osg::ref_ptr<osg::Group> root)
: mPathgridEnabled(false)
, mRootNode(root)
@ -212,12 +112,9 @@ void Pathgrid::enableCellPathgrid(const MWWorld::CellStore *store)
osg::ref_ptr<osg::PositionAttitudeTransform> cellPathGrid = new osg::PositionAttitudeTransform;
cellPathGrid->setPosition(cellPathGridPos);
osg::ref_ptr<osg::Geometry> lines = createPathgridLines(pathgrid);
osg::ref_ptr<osg::Geometry> geometry = SceneUtil::PathgridGeometryFactory::get().create(*pathgrid);
osg::ref_ptr<osg::Geometry> points = createPathgridPoints(pathgrid);
cellPathGrid->addChild(lines);
cellPathGrid->addChild(points);
cellPathGrid->addChild(geometry);
mPathGridRoot->addChild(cellPathGrid);

3
apps/openmw/mwrender/pathgrid.hpp
View file

@ -48,9 +48,6 @@ namespace MWRender
void enableCellPathgrid(const MWWorld::CellStore *store);
void disableCellPathgrid(const MWWorld::CellStore *store);
// path grid meshes
osg::ref_ptr<osg::Geometry> createPathgridLines(const ESM::Pathgrid *pathgrid);
osg::ref_ptr<osg::Geometry> createPathgridPoints(const ESM::Pathgrid *pathgrid);
public:
Pathgrid(osg::ref_ptr<osg::Group> root);
~Pathgrid();