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Fix rail's selection box and tweak the logic that computes pointedthing.node_abovesurface -- you no longer can place torches above each other, or do similar placement with other nodes with non-full selection box.

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This commit is contained in:
Kahrl 2012-02-07 03:05:15 +01:00
parent 6bf4931fc2
commit 34eabf4df0
2 changed files with 23 additions and 47 deletions
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2
data/mods/default/init.lua
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@ -1296,7 +1296,7 @@ minetest.register_node("default:rail", {
walkable = false,
selection_box = {
type = "fixed",
--fixed = <default>
fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
},
material = minetest.digprop_dirtlike(0.75),
})

68
src/game.cpp
View file

@ -362,15 +362,6 @@ PointedThing getPointedThing(Client *client, v3f player_position,
if(!isPointableNode(n, client, liquids_pointable))
continue;
v3s16 facedirs[6] = {
v3s16(-1,0,0),
v3s16(1,0,0),
v3s16(0,-1,0),
v3s16(0,1,0),
v3s16(0,0,-1),
v3s16(0,0,1),
};
std::vector<aabb3f> boxes = n.getSelectionBoxes(client->ndef());
v3s16 np(x,y,z);
@ -384,52 +375,37 @@ PointedThing getPointedThing(Client *client, v3f player_position,
box.MinEdge += npf;
box.MaxEdge += npf;
f32 d = 0.001*BS;
aabb3f faceboxes[6] = {
// X-
aabb3f(
box.MinEdge.X, box.MinEdge.Y, box.MinEdge.Z,
box.MinEdge.X+d, box.MaxEdge.Y, box.MaxEdge.Z
),
// X+
aabb3f(
box.MaxEdge.X-d, box.MinEdge.Y, box.MinEdge.Z,
box.MaxEdge.X, box.MaxEdge.Y, box.MaxEdge.Z
),
// Y-
aabb3f(
box.MinEdge.X, box.MinEdge.Y, box.MinEdge.Z,
box.MaxEdge.X, box.MinEdge.Y+d, box.MaxEdge.Z
),
// Y+
aabb3f(
box.MinEdge.X, box.MaxEdge.Y-d, box.MinEdge.Z,
box.MaxEdge.X, box.MaxEdge.Y, box.MaxEdge.Z
),
// Z-
aabb3f(
box.MinEdge.X, box.MinEdge.Y, box.MinEdge.Z,
box.MaxEdge.X, box.MaxEdge.Y, box.MinEdge.Z+d
),
// Z+
aabb3f(
box.MinEdge.X, box.MinEdge.Y, box.MaxEdge.Z-d,
box.MaxEdge.X, box.MaxEdge.Y, box.MaxEdge.Z
),
};
for(u16 j=0; j<6; j++)
{
v3f centerpoint = faceboxes[j].getCenter();
v3s16 facedir = g_6dirs[j];
aabb3f facebox = box;
f32 d = 0.001*BS;
if(facedir.X > 0)
facebox.MinEdge.X = facebox.MaxEdge.X-d;
else if(facedir.X < 0)
facebox.MaxEdge.X = facebox.MinEdge.X+d;
else if(facedir.Y > 0)
facebox.MinEdge.Y = facebox.MaxEdge.Y-d;
else if(facedir.Y < 0)
facebox.MaxEdge.Y = facebox.MinEdge.Y+d;
else if(facedir.Z > 0)
facebox.MinEdge.Z = facebox.MaxEdge.Z-d;
else if(facedir.Z < 0)
facebox.MaxEdge.Z = facebox.MinEdge.Z+d;
v3f centerpoint = facebox.getCenter();
f32 distance = (centerpoint - camera_position).getLength();
if(distance >= mindistance)
continue;
if(!faceboxes[j].intersectsWithLine(shootline))
if(!facebox.intersectsWithLine(shootline))
continue;
v3s16 np_above = floatToInt(centerpoint + intToFloat(facedir, d), BS);
result.type = POINTEDTHING_NODE;
result.node_undersurface = np;
result.node_abovesurface = np+facedirs[j];
result.node_abovesurface = np_above;
mindistance = distance;
hilightboxes.clear();