merged delta and c55

[minetest.git] / src / game.cpp

diff --git a/src/game.cpp b/src/game.cpp
index a42bf2b2cab249a9af612eff740ba50642948103..c4a9aba00050fb306b63db026b72ae1e02a446d3 100644 (file)
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -538,6 +538,56 @@ void getPointedNode(Client *client, v3f player_position,
                                }
                        }
                }
+
+               else if(n.getContent() == CONTENT_LADDER)
+               {
+                       v3s16 dir = unpackDir(n.param2);
+                       v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
+                       dir_f *= BS/2 - BS/6 - BS/20;
+                       v3f cpf = npf + dir_f;
+                       f32 distance = (cpf - camera_position).getLength();
+
+                       v3f vertices[4] =
+                       {
+                               v3f(BS*0.42,-BS/2,-BS/2),
+                               v3f(BS*0.49, BS/2, BS/2),
+                       };
+
+                       for(s32 i=0; i<2; i++)
+                       {
+                               if(dir == v3s16(1,0,0))
+                                       vertices[i].rotateXZBy(0);
+                               if(dir == v3s16(-1,0,0))
+                                       vertices[i].rotateXZBy(180);
+                               if(dir == v3s16(0,0,1))
+                                       vertices[i].rotateXZBy(90);
+                               if(dir == v3s16(0,0,-1))
+                                       vertices[i].rotateXZBy(-90);
+                               if(dir == v3s16(0,-1,0))
+                                       vertices[i].rotateXYBy(-90);
+                               if(dir == v3s16(0,1,0))
+                                       vertices[i].rotateXYBy(90);
+
+                               vertices[i] += npf;
+                       }
+
+                       core::aabbox3d<f32> box;
+
+                       box = core::aabbox3d<f32>(vertices[0]);
+                       box.addInternalPoint(vertices[1]);
+
+                       if(distance < mindistance)
+                       {
+                               if(box.intersectsWithLine(shootline))
+                               {
+                                       nodefound = true;
+                                       nodepos = np;
+                                       neighbourpos = np;
+                                       mindistance = distance;
+                                       nodehilightbox = box;
+                               }
+                       }
+               }
                else if(n.getContent() == CONTENT_RAIL)
                {
                        v3s16 dir = unpackDir(n.param0);