Fri, 09 Aug 2013 04:29:37 +0300
Picking now works with the VAO setup
src/gldata.cpp | file | annotate | diff | comparison | revisions | |
src/gldata.h | file | annotate | diff | comparison | revisions | |
src/gldraw.cpp | file | annotate | diff | comparison | revisions |
--- a/src/gldata.cpp Fri Aug 09 03:09:08 2013 +0300 +++ b/src/gldata.cpp Fri Aug 09 04:29:37 2013 +0300 @@ -144,27 +144,34 @@ // ============================================================================= // ----------------------------------------------------------------------------- void VertexCompiler::compilePolygon ( - LDObject* obj, - VertexCompiler::Array** arrays + LDObject* drawobj, + LDObject* trueobj ) { - LDObject::Type objtype = obj->getType(); + // Note: we use the true object's color but the draw object's vertices. This + // is so that the index color is generated correctly - it has to reference + // the true object's ID, this is crucial for picking to work. + Array** arrays = m_objArrays[trueobj]; + LDObject::Type objtype = drawobj->getType(); bool isline = (objtype == LDObject::Line || objtype == LDObject::CondLine); - int verts = isline ? 2 : obj->vertices(); + int verts = isline ? 2 : drawobj->vertices(); + + QColor normalColor = getObjectColor (trueobj, Normal), + pickColor = getObjectColor (trueobj, PickColor); for (int i = 0; i < verts; ++i) { - compileVertex (obj->getVertex (i), getObjectColor (obj, Normal), - arrays[isline ? EdgeArray : MainArray]); + compileVertex (drawobj->getVertex (i), normalColor, arrays[isline ? EdgeArray : MainArray]); + compileVertex (drawobj->getVertex (i), pickColor, arrays[isline ? EdgePickArray : PickArray]); } // For non-lines, compile BFC data if (!isline) { - QColor col = getObjectColor (obj, BFCFront); + QColor col = getObjectColor (trueobj, BFCFront); for (int i = 0; i < verts; ++i) - compileVertex (obj->getVertex(i), col, arrays[BFCArray]); + compileVertex (drawobj->getVertex(i), col, arrays[BFCArray]); - col = getObjectColor (obj, BFCBack); + col = getObjectColor (trueobj, BFCBack); for (int i = verts - 1; i >= 0; --i) - compileVertex (obj->getVertex(i), col, arrays[BFCArray]); + compileVertex (drawobj->getVertex(i), col, arrays[BFCArray]); } } @@ -185,18 +192,18 @@ switch (obj->getType()) { case LDObject::Triangle: - compilePolygon (obj, m_objArrays[obj]); + compilePolygon (obj, obj); m_changed[MainArray] = true; break; case LDObject::Quad: for (LDTriangleObject* triangle : static_cast<LDQuadObject*> (obj)->splitToTriangles()) - compilePolygon (triangle, m_objArrays[obj]); + compilePolygon (triangle, obj); m_changed[MainArray] = true; break; case LDObject::Line: - compilePolygon (obj, m_objArrays[obj]); + compilePolygon (obj, obj); break; default: @@ -265,8 +272,7 @@ if (!obj->isColored()) return QColor(); -/* - if (list == GL::PickList) { + if (colotype == PickColor) { // Make the color by the object's ID if we're picking, so we can make the // ID again from the color we get from the picking results. Be sure to use // the top level parent's index since we want a subfile's children point @@ -276,14 +282,12 @@ // Calculate a color based from this index. This method caters for // 16777216 objects. I don't think that'll be exceeded anytime soon. :) // ATM biggest is 53588.dat with 12600 lines. - double r = (i / (256 * 256)) % 256, + int r = (i / (256 * 256)) % 256, g = (i / 256) % 256, b = i % 256; - qglColor (QColor (r, g, b)); - return; + return QColor (r, g, b); } -*/ if ((colotype == BFCFront || colotype == BFCBack) && obj->getType() != LDObject::Line &&
--- a/src/gldata.h Fri Aug 09 03:09:08 2013 +0300 +++ b/src/gldata.h Fri Aug 09 04:29:37 2013 +0300 @@ -13,12 +13,15 @@ Normal, BFCFront, BFCBack, + PickColor, }; enum MergedArrayType { MainArray, EdgeArray, BFCArray, + PickArray, + EdgePickArray, NumArrays }; @@ -62,7 +65,7 @@ QColor getObjectColor (LDObject* obj, ColorType list) const; private: - void compilePolygon (LDObject* obj, Array** arrays); + void compilePolygon (LDObject* drawobj, LDObject* trueobj); void compileVertex (vertex v, QColor col, VertexCompiler::Array* array); QMap<LDObject*, Array**> m_objArrays;
--- a/src/gldraw.cpp Fri Aug 09 03:09:08 2013 +0300 +++ b/src/gldraw.cpp Fri Aug 09 04:29:37 2013 +0300 @@ -295,8 +295,6 @@ glRotatef (m_rotZ, 0.0f, 0.0f, 1.0f); } - const GL::ListType list = (!drawOnly() && m_picking) ? PickList : NormalList; - // Draw the polygons glEnableClientState (GL_VERTEX_ARRAY); glEnableClientState (GL_COLOR_ARRAY); @@ -309,13 +307,17 @@ glDisable (GL_CULL_FACE); VertexCompiler::Array* array = g_vertexCompiler.getMergedBuffer ( - (gl_colorbfc) ? VertexCompiler::BFCArray : VertexCompiler::MainArray); + (m_picking) ? VertexCompiler::PickArray : + (gl_colorbfc) ? VertexCompiler::BFCArray : + VertexCompiler::MainArray); glVertexPointer (3, GL_FLOAT, sizeof (VertexCompiler::Vertex), &array->data()[0].x); glColorPointer (4, GL_UNSIGNED_BYTE, sizeof (VertexCompiler::Vertex), &array->data()[0].color); glDrawArrays (GL_TRIANGLES, 0, array->writtenSize() / sizeof (VertexCompiler::Vertex)); // Draw edge lines - array = g_vertexCompiler.getMergedBuffer (VertexCompiler::EdgeArray); + array = g_vertexCompiler.getMergedBuffer ( + (m_picking) ? VertexCompiler::EdgePickArray : + VertexCompiler::EdgeArray); glVertexPointer (3, GL_FLOAT, sizeof (VertexCompiler::Vertex), &array->data()[0].x); glColorPointer (4, GL_UNSIGNED_BYTE, sizeof (VertexCompiler::Vertex), &array->data()[0].color); glDrawArrays (GL_LINES, 0, array->writtenSize() / sizeof (VertexCompiler::Vertex)); @@ -886,6 +888,7 @@ (*(pixelptr + 0) * 0x10000) + (*(pixelptr + 1) * 0x00100) + (*(pixelptr + 2) * 0x00001); + pixelptr += 4; if (idx == 0xFFFFFF)