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Now spin/mirror/rotate accounts for directional blocks. Fixes #412.

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This commit is contained in:
UnknownShadow200 2017-07-14 12:27:53 +10:00
parent 7b39848cf4
commit 411578785d
2 changed files with 126 additions and 26 deletions
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13
MCGalaxy/Commands/building/CmdSpin.cs
View File

@ -35,16 +35,17 @@ namespace MCGalaxy.Commands.Building {
Player.Message(p, "You haven't copied anything yet"); return;
}
string opt = message.ToLower();
BlockDefinition[] defs = p.level.CustomBlockDefs;
// Mirroring
if (opt == "mirrorx" || opt == "mirror x") {
Flip.MirrorX(p.CopyBuffer);
Flip.MirrorX(p.CopyBuffer, defs);
Player.Message(p, "Flipped copy across the X (east/west) axis.");
} else if (opt == "mirrory" || opt == "mirror y" || opt == "u") {
Flip.MirrorY(p.CopyBuffer);
Flip.MirrorY(p.CopyBuffer, defs);
Player.Message(p, "Flipped copy across the Y (vertical) axis.");
} else if (opt == "mirrorz" || opt == "mirror z" || opt == "m") {
Flip.MirrorZ(p.CopyBuffer);
Flip.MirrorZ(p.CopyBuffer, defs);
Player.Message(p, "Flipped copy across the Z (north/south) axis.");
} else {
string[] args = opt.SplitSpaces();
@ -55,11 +56,11 @@ namespace MCGalaxy.Commands.Building {
if (angle == 0) {
} else if (axis == 'X') {
p.CopyBuffer = Flip.RotateX(p.CopyBuffer, angle);
p.CopyBuffer = Flip.RotateX(p.CopyBuffer, angle, defs);
} else if (axis == 'Y') {
p.CopyBuffer = Flip.RotateY(p.CopyBuffer, angle);
p.CopyBuffer = Flip.RotateY(p.CopyBuffer, angle, defs);
} else if (axis == 'Z') {
p.CopyBuffer = Flip.RotateZ(p.CopyBuffer, angle);
p.CopyBuffer = Flip.RotateZ(p.CopyBuffer, angle, defs);
}
Player.Message(p, "Rotated copy {0} degrees around the {1} axis", angle, axis);
}

139
MCGalaxy/Drawing/Flip.cs
View File

@ -20,46 +20,69 @@ using System.IO;
namespace MCGalaxy.Drawing {
public static class Flip {
public static CopyState RotateX(CopyState state, int angle) {
static string[] rotX_90_270 = new string[] { "NS", "UD" };
static string[] rotX_180 = new string[] { "N", "S", "NE", "SE", "NW", "SW" };
public static CopyState RotateX(CopyState state, int angle, BlockDefinition[] defs) {
CopyState newState = Clone(state);
newState.Height = angle == 180 ? state.Height : state.Length;
newState.Length = angle == 180 ? state.Length : state.Height;
ExtBlock[] transform;
if (angle == 90 || angle == 270) transform = Transform(defs, rotX_90_270, null);
else if (angle == 180) transform = Transform(defs, rotX_180, null);
else transform = Transform(defs, null, null);
int[] m = new int[] { posX, negZ, posY };
if (angle == 180) { m[1] = negY; m[2] = negZ; }
if (angle == 270) { m[1] = posZ; m[2] = negY; }
return Rotate(state, newState, m);
return Rotate(state, newState, m, transform);
}
public static CopyState RotateY(CopyState state, int angle) {
static string[] rotY_90 = new string[] { "N", "E", "S", "W", "NE", "SE", "SW", "NW", "WE", "NS", "WE", "NS" };
static string[] rotY_180 = new string[] { "W", "E", "N", "S", "NS", "WE", "NE", "SW", "NW", "SE" };
static string[] rotY_270 = new string[] { "N", "W", "S", "E", "NE", "NW", "SW", "SE", "WE", "NS", "WE", "NS" };
public static CopyState RotateY(CopyState state, int angle, BlockDefinition[] defs) {
CopyState newState = Clone(state);
newState.Width = angle == 180 ? state.Width : state.Length;
newState.Length = angle == 180 ? state.Length : state.Width;
ExtBlock[] transform;
if (angle == 90) transform = Transform(defs, null, rotY_90);
else if (angle == 180) transform = Transform(defs, rotY_180, null);
else if (angle == 270) transform = Transform(defs, null, rotY_270);
else transform = Transform(defs, null, null);
int[] m = new int[] { negZ, posY, posX };
if (angle == 180) { m[0] = negX; m[2] = negZ; }
if (angle == 270) { m[0] = posZ; m[2] = negX; }
return Rotate(state, newState, m);
return Rotate(state, newState, m, transform);
}
public static CopyState RotateZ(CopyState state, int angle) {
static string[] rotZ_90_270 = new string[] { "WE", "UD" };
static string[] rotZ_180 = new string[] { "W", "E", "NW", "NE", "SW", "SE" };
public static CopyState RotateZ(CopyState state, int angle, BlockDefinition[] defs) {
CopyState newState = Clone(state);
newState.Width = angle == 180 ? state.Width : state.Height;
newState.Height = angle == 180 ? state.Height : state.Width;
ExtBlock[] transform;
if (angle == 90 || angle == 270) transform = Transform(defs, rotZ_90_270, null);
else if (angle == 180) transform = Transform(defs, rotZ_180,null);
else transform = Transform(defs, null, null);
int[] m = new int[] { posY, negX, posZ };
if (angle == 180) { m[0] = negX; m[1] = negY; }
if (angle == 270) { m[0] = negY; m[1] = posX; }
return Rotate(state, newState, m);
return Rotate(state, newState, m, transform);
}
static CopyState Rotate(CopyState state, CopyState flipped, int[] m) {
static CopyState Rotate(CopyState state, CopyState flipped, int[] m, ExtBlock[] transform) {
int volume = state.Volume;
for (int i = 0; i < volume; i++) {
ushort x, y, z;
state.GetCoords(i, out x, out y, out z);
ExtBlock block = state.Get(i);
ExtBlock block = transform[state.Get(i).Index];
flipped.Set(block,
Rotate(m[0], x, y, z, state),
@ -101,19 +124,24 @@ namespace MCGalaxy.Drawing {
return newState;
}
public static void MirrorX(CopyState state) {
int midZ = state.Length / 2, maxZ = state.Length - 1;
static string[] mirrorX = new string[] { "N", "S", "NW", "SW", "NE", "SE" };
public static void MirrorX(CopyState state, BlockDefinition[] defs) {
// ceiling division by 2, because for odd length, we still want to
// mirror the middle row to rotate directional blocks
int midZ = (state.Length + 1) / 2, maxZ = state.Length - 1;
state.OriginZ = state.OppositeOriginZ;
state.Offset.Z = -state.Offset.Z;
ExtBlock[] transform = Transform(defs, mirrorX, null);
for (int y = 0; y < state.Height; y++) {
for (int z = 0; z < midZ; z++) {
int endZ = maxZ - z;
int start = state.GetIndex(0, y, z);
int end = state.GetIndex(0, y, endZ);
for (int x = 0; x < state.Width; x++) {
ExtBlock blockA = state.Get(start), blockB = state.Get(end);
ExtBlock blockA = transform[state.Get(start).Index];
ExtBlock blockB = transform[state.Get(end).Index];
state.Set(blockB, start); state.Set(blockA, end);
start++; end++;
}
@ -121,18 +149,22 @@ namespace MCGalaxy.Drawing {
}
}
public static void MirrorY(CopyState state) {
int midY = state.Height / 2, maxY = state.Height - 1;
static string[] mirrorY = new string[] { "D", "U" };
public static void MirrorY(CopyState state, BlockDefinition[] defs) {
int midY = (state.Height + 1) / 2, maxY = state.Height - 1;
state.OriginY = state.OppositeOriginY;
state.Offset.Y = -state.Offset.Y;
ExtBlock[] transform = Transform(defs, mirrorY, null);
for (int y = 0; y < midY; y++) {
int endY = maxY - y;
int start = state.GetIndex(0, y, 0);
int end = state.GetIndex(0, endY, 0);
for (int z = 0; z < state.Length; z++) {
for (int x = 0; x < state.Width; x++) {
ExtBlock blockA = state.Get(start), blockB = state.Get(end);
ExtBlock blockA = transform[state.Get(start).Index];
ExtBlock blockB = transform[state.Get(end).Index];
state.Set(blockB, start); state.Set(blockA, end);
start++; end++;
}
@ -140,10 +172,12 @@ namespace MCGalaxy.Drawing {
}
}
public static void MirrorZ(CopyState state) {
int midX = state.Width / 2, maxX = state.Width - 1;
static string[] mirrorZ = new string[] { "W", "E", "NW", "NE", "SW", "SE" };
public static void MirrorZ(CopyState state, BlockDefinition[] defs) {
int midX = (state.Width + 1) / 2, maxX = state.Width - 1;
state.OriginX = state.OppositeOriginX;
state.Offset.X = -state.Offset.X;
ExtBlock[] transform = Transform(defs, mirrorZ, null);
for (int y = 0; y < state.Height; y++) {
for (int z = 0; z < state.Length; z++) {
@ -152,11 +186,76 @@ namespace MCGalaxy.Drawing {
int start = state.GetIndex(x, y, z);
int end = state.GetIndex(endX, y, z);
ExtBlock blockA = state.Get(start), blockB = state.Get(end);
ExtBlock blockA = transform[state.Get(start).Index];
ExtBlock blockB = transform[state.Get(end).Index];
state.Set(blockB, start); state.Set(blockA, end);
}
}
}
}
static ExtBlock[] Transform(BlockDefinition[] defs, string[] mirrorDirs, string[] rotateDirs) {
ExtBlock[] transform = new ExtBlock[Block.Count * 2];
for (int i = 0; i < transform.Length; i++) {
transform[i] = ExtBlock.FromIndex(i);
}
if (mirrorDirs == null && rotateDirs == null) return transform;
// Rotate/Mirror directional blocks
for (int i = 0; i < defs.Length; i++) {
if (defs[i] == null) continue;
int dirIndex = defs[i].Name.LastIndexOf('-');
if (dirIndex == -1) continue;
BlockDefinition transformed = null;
if (mirrorDirs != null) {
transformed = MirrorTransform(defs, i, dirIndex, mirrorDirs);
} else {
transformed = RotateTransform(defs, i, dirIndex, rotateDirs);
}
if (transformed == null) continue;
ExtBlock src = ExtBlock.FromRaw(defs[i].BlockID);
transform[src.Index] = ExtBlock.FromRaw(transformed.BlockID);
}
return transform;
}
static BlockDefinition MirrorTransform(BlockDefinition[] defs, int i, int dirIndex, string[] mirrorDirs) {
string dir = defs[i].Name.Substring(dirIndex + 1);
for (int j = 0; j < mirrorDirs.Length; j++) {
if (!mirrorDirs[j].CaselessEq(dir)) continue;
// Find the mirrored directional block opposite to this one
string name = defs[i].Name.Substring(0, dirIndex);
int mirrorIdx = (j & 1) == 0 ? 1 : -1;
string mirrorDir = mirrorDirs[j + mirrorIdx];
return Find(defs, name + "-" + mirrorDir);
}
return null;
}
static BlockDefinition RotateTransform(BlockDefinition[] defs, int i, int dirIndex, string[] rotateDirs) {
string dir = defs[i].Name.Substring(dirIndex + 1);
for (int j = 0; j < rotateDirs.Length; j++) {
if (!rotateDirs[j].CaselessEq(dir)) continue;
// Find the next directional block to this one in sequence
// Each sequence is a group of 4 directional blocks
string name = defs[i].Name.Substring(0, dirIndex);
int sequence = (j / 4) * 4;
string rotateDir = rotateDirs[sequence + ((j + 1) % 4)];
return Find(defs, name + "-" + rotateDir);
}
return null;
}
static BlockDefinition Find(BlockDefinition[] defs, string name) {
for (int i = 0; i < defs.Length; i++) {
if (defs[i] != null && defs[i].Name.CaselessEq(name)) return defs[i];
}
return null;
}
}
}