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Generalize selection boxes

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This commit is contained in:
Perttu Ahola 2011-11-13 12:31:05 +02:00
parent 2ef414d05f
commit 79c9f14aec
3 changed files with 97 additions and 165 deletions
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220
src/game.cpp
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@ -43,7 +43,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "gettext.h"
#include "log.h"
#include "filesys.h"
// Needed for some special cases for CONTENT_TORCH and CONTENT_SIGN_WALL
// Needed for writing to signs (CONTENT_SIGN_WALL)
// TODO: A generic way for handling such should be created
#include "content_mapnode.h"
// Needed for sign text input
@ -343,10 +343,29 @@ void getPointedNode(Client *client, v3f player_position,
v3s16(-1,0,0), // left
};
/*
Meta-objects
*/
if(n.getContent() == CONTENT_TORCH)
ContentFeatures &f = content_features(n);
if(f.selection_box.type == NODEBOX_FIXED)
{
f32 distance = (npf - camera_position).getLength();
core::aabbox3d<f32> box = f.selection_box.fixed;
box.MinEdge += npf;
box.MaxEdge += npf;
if(distance < mindistance)
{
if(box.intersectsWithLine(shootline))
{
nodefound = true;
nodepos = np;
neighbourpos = np;
mindistance = distance;
nodehilightbox = box;
}
}
}
else if(f.selection_box.type == NODEBOX_WALLMOUNTED)
{
v3s16 dir = unpackDir(n.param2);
v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
@ -356,31 +375,41 @@ void getPointedNode(Client *client, v3f player_position,
core::aabbox3d<f32> box;
// bottom
if(dir == v3s16(0,-1,0))
{
box = core::aabbox3d<f32>(
npf - v3f(BS/6, BS/2, BS/6),
npf + v3f(BS/6, -BS/2+BS/3*2, BS/6)
);
}
// top
else if(dir == v3s16(0,1,0))
{
box = core::aabbox3d<f32>(
npf - v3f(BS/6, -BS/2+BS/3*2, BS/6),
npf + v3f(BS/6, BS/2, BS/6)
);
if(dir == v3s16(0,1,0)){
box = f.selection_box.wall_top;
}
// bottom
else if(dir == v3s16(0,-1,0)){
box = f.selection_box.wall_bottom;
}
// side
else
{
box = core::aabbox3d<f32>(
cpf - v3f(BS/6, BS/3, BS/6),
cpf + v3f(BS/6, BS/3, BS/6)
);
else{
v3f vertices[2] =
{
f.selection_box.wall_side.MinEdge,
f.selection_box.wall_side.MaxEdge
};
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);
}
box = core::aabbox3d<f32>(vertices[0]);
box.addInternalPoint(vertices[1]);
}
box.MinEdge += npf;
box.MaxEdge += npf;
if(distance < mindistance)
{
if(box.intersectsWithLine(shootline))
@ -393,146 +422,7 @@ void getPointedNode(Client *client, v3f player_position,
}
}
}
else if(n.getContent() == CONTENT_SIGN_WALL)
{
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*0.35,-BS*0.4),
v3f(BS*0.49, BS*0.35, BS*0.4),
};
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_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);
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();
float d = (float)BS/16;
v3f vertices[4] =
{
v3f(BS/2, -BS/2+d, -BS/2),
v3f(-BS/2, -BS/2, BS/2),
};
for(s32 i=0; i<2; i++)
{
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;
}
}
}
/*
Regular blocks
*/
else
else // NODEBOX_REGULAR
{
for(u16 i=0; i<6; i++)
{