mirror of
https://github.com/TES3MP/openmw-tes3mp.git
synced 2025-01-16 02:49:55 +00:00
148 lines
4.2 KiB
C++
148 lines
4.2 KiB
C++
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#include "cellarrow.hpp"
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#include <osg/Group>
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#include <osg/PositionAttitudeTransform>
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#include <osg/Geode>
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#include <osg/Geometry>
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#include <osg/PrimitiveSet>
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#include "elements.hpp"
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CSVRender::CellArrowTag::CellArrowTag (CellArrow *arrow)
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: TagBase (Element_CellArrow), mArrow (arrow)
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{}
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CSVRender::CellArrow *CSVRender::CellArrowTag::getCellArrow() const
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{
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return mArrow;
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}
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void CSVRender::CellArrow::adjustTransform()
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{
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// position
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const int cellSize = 8192;
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const int offset = cellSize / 2 + 800;
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int x = mCoordinates.getX()*cellSize + cellSize/2;
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int y = mCoordinates.getY()*cellSize + cellSize/2;
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float xr = 0;
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float yr = 0;
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float zr = 0;
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float angle = osg::DegreesToRadians (90.0f);
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switch (mDirection)
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{
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case Direction_North: y += offset; xr = -angle; zr = angle; break;
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case Direction_West: x -= offset; yr = -angle; break;
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case Direction_South: y -= offset; xr = angle; zr = angle; break;
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case Direction_East: x += offset; yr = angle; break;
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};
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mBaseNode->setPosition (osg::Vec3f (x, y, 0));
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// orientation
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osg::Quat xr2 (xr, osg::Vec3f (1,0,0));
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osg::Quat yr2 (yr, osg::Vec3f (0,1,0));
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osg::Quat zr2 (zr, osg::Vec3f (0,0,1));
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mBaseNode->setAttitude (zr2*yr2*xr2);
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}
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void CSVRender::CellArrow::buildShape()
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{
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osg::ref_ptr<osg::Geometry> geometry (new osg::Geometry);
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const int arrowWidth = 4000;
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const int arrowLength = 1500;
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const int arrowHeight = 500;
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osg::Vec3Array *vertices = new osg::Vec3Array;
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for (int i2=0; i2<2; ++i2)
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for (int i=0; i<2; ++i)
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{
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float height = i ? -arrowHeight/2 : arrowHeight/2;
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vertices->push_back (osg::Vec3f (height, -arrowWidth/2, 0));
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vertices->push_back (osg::Vec3f (height, arrowWidth/2, 0));
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vertices->push_back (osg::Vec3f (height, 0, arrowLength));
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}
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geometry->setVertexArray (vertices);
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osg::DrawElementsUShort *top = new osg::DrawElementsUShort (osg::PrimitiveSet::TRIANGLES, 0);
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top->push_back (0);
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top->push_back (1);
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top->push_back (2);
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geometry->addPrimitiveSet (top);
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osg::DrawElementsUShort *bottom = new osg::DrawElementsUShort (osg::PrimitiveSet::TRIANGLES, 0);
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bottom->push_back (5);
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bottom->push_back (4);
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bottom->push_back (3);
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geometry->addPrimitiveSet (bottom);
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osg::DrawElementsUShort *back = new osg::DrawElementsUShort (osg::PrimitiveSet::QUADS, 0);
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back->push_back (3+6);
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back->push_back (4+6);
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back->push_back (1+6);
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back->push_back (0+6);
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geometry->addPrimitiveSet (back);
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osg::DrawElementsUShort *side1 = new osg::DrawElementsUShort (osg::PrimitiveSet::QUADS, 0);
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side1->push_back (0+6);
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side1->push_back (2+6);
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side1->push_back (5+6);
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side1->push_back (3+6);
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geometry->addPrimitiveSet (side1);
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osg::DrawElementsUShort *side2 = new osg::DrawElementsUShort (osg::PrimitiveSet::QUADS, 0);
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side2->push_back (4+6);
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side2->push_back (5+6);
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side2->push_back (2+6);
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side2->push_back (1+6);
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geometry->addPrimitiveSet (side2);
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osg::Vec4Array *colours = new osg::Vec4Array;
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for (int i=0; i<6; ++i)
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colours->push_back (osg::Vec4f (1.0f, 0.0f, 0.0f, 1.0f));
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for (int i=0; i<6; ++i)
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colours->push_back (osg::Vec4f (1.0f, 0.0f, 0.4f, 1.0f));
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geometry->setColorArray (colours);
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geometry->setColorBinding (osg::Geometry::BIND_PER_VERTEX);
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osg::ref_ptr<osg::Geode> geode (new osg::Geode);
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geode->addDrawable (geometry);
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mBaseNode->addChild (geode);
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}
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CSVRender::CellArrow::CellArrow (osg::Group *cellNode, Direction direction,
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const CSMWorld::CellCoordinates& coordinates)
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: mDirection (direction), mParentNode (cellNode), mCoordinates (coordinates)
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{
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mBaseNode = new osg::PositionAttitudeTransform;
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mBaseNode->setUserData (new CellArrowTag (this));
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mParentNode->addChild (mBaseNode);
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// 0x1 reserved for separating cull and update visitors
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mBaseNode->setNodeMask (Element_CellArrow<<1);
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adjustTransform();
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buildShape();
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}
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CSVRender::CellArrow::~CellArrow()
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{
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mParentNode->removeChild (mBaseNode);
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}
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CSMWorld::CellCoordinates CSVRender::CellArrow::getCoordinates() const
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{
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return mCoordinates;
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}
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