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首先隨機(jī)生成一套地圖世界有幾個(gè)概念。 數(shù)據(jù)結(jié)構(gòu) 1.world 2.map 3.room 4.corridor

地圖的類型也有很多種 1.maze 2.dungeon 3.island 4.cave 5.castle

生成房間的算法也分為很多類別 我先實(shí)現(xiàn)了 最簡(jiǎn)單的一個(gè)地圖類型 類似于dungeon的地圖類型

生成的數(shù)據(jù)大概是這樣

算法邏輯 1.在world創(chuàng)建room 2.判斷room是否碰撞 碰撞重新生成 3.房間生成門 4.查找最近的房間 使用astar 生成房間直接連通的街道。

一些c#代碼

public void generatePCGBasic(byte[,] g) { base.generatePCG(g); // Init grid this.initRooms(); // Initialize rooms //this.initCorridors(); // Initialize corridors }

public void initRooms()

{

this.rooms = new ArrayList();

//room_num = 1;

// New room arraylist

//Log.info("room_num",this.room_num);

for (int n = 0; n < this.room_num; n++)

{

this.room_blocked = false;

// Unblock

Room rm = new Room(pcgrid_width, pcgrid_height, this.room_base, this.room_radix, this.corridor_num);

// Create new room

this.room_blocked = this.blockRoom(rm);

// Check if room is blocked

if (this.room_blocked)

{

n--;

// Remake room

this.redo--;

// Stops if taking too long

if ((this.redo == 0))

{

this.room_num--;

this.redo = 1000;

// Recursion limit

}

}

else {

//Log.info("room_blocked",this.room_blocked);

this.rooms.Add(rm);

// Create room

for (int j = rm.room_y1; (j <= rm.room_y2); j++)

{

for (int i = rm.room_x1; (i <= rm.room_x2); i++)

{

pcgrid[i, j] = 1;

}

}

// Create room walls

for (int i = rm.wall_x1; (i <= rm.wall_x2); i++)

{

if (pcgrid[i, rm.wall_y1] != 1)

{

pcgrid[i, rm.wall_y1] = 2;

}

if (pcgrid[i, rm.wall_y2] != 1)

{

pcgrid[i, rm.wall_y2] = 2;

}

}

for (int j = rm.wall_y1; (j <= rm.wall_y2); j++)

{

if (pcgrid[rm.wall_x1, j] != 1)

{

pcgrid[rm.wall_x1, j] = 2;

}

if (pcgrid[rm.wall_x2, j] != 1)

{

pcgrid[rm.wall_x2, j] = 2;

}

}

// Place openings

for (int k = 0; (k < rm.opening_num); k++)

{

if ((pcgrid[rm.opening[k, 0], rm.opening[k, 1]] != 1))

{

pcgrid[rm.opening[k, 0], rm.opening[k, 1]] = 3;

}

}

/*

var sb = new StringBuilder();

sb.Append("\n");

for (int i = 0; i < pcgrid.GetLength(0); i++)

{

for (int j = 0; j < pcgrid.GetLength(1); j++)

{

sb.Append( pcgrid[i, j] );

}

sb.Append("\n");

}

Log.info(sb.ToString());

*/ }

}

}

public bool blockRoom(Room rm)

{

// If outside of grid

if ((!bounded(rm.wall_x1, rm.wall_y1)

|| (!bounded(rm.wall_x2, rm.wall_y1)

|| (!bounded(rm.wall_x1, rm.wall_y2)

|| !bounded(rm.wall_x2, rm.wall_y2)))))

{

return true;

}

// If blocked by another room

if ((this.room_type != 3))

{

for (int i = (rm.wall_x1 - 1); (i

< (rm.wall_x2 + 1)); i++)

{

// Check upper and lower bound

if ((bounded(i, (rm.wall_y1 - 1))

&& !blocked(i, (rm.wall_y1 - 1), 0)))

{

return true;

}

if ((bounded(i, (rm.wall_y2 + 1))

&& !blocked(i, (rm.wall_y2 + 1), 0)))

{

return true;

}

}

for (int j = (rm.wall_y1 - 1); (j

< (rm.wall_y2 + 1)); j++)

{

// Check left and right bound

if ((bounded((rm.wall_x1 - 1), j)

&& !blocked((rm.wall_x1 - 1), j, 0)))

{

return true;

}

if ((bounded((rm.wall_x2 + 1), j)

&& !blocked((rm.wall_x2 + 1), j, 0)))

{

return true;

}

}

}

return false;

}

public void initCorridors() {

if ((this.room_type != 3)) {

for (int i = 0; (i < this.rooms.Count); i++) {

// Go through each room and connect its first opening to the first opening of the next room

Room rm1 = ((Room)(this.rooms[i]));

Room rm2;

if ((i

== (this.rooms.Count - 1))) {

rm2 = ((Room)(this.rooms[0]));

}

else {

rm2 = ((Room)(this.rooms[(i + 1)]));

}

// If not last room

// Connect rooms

//basicAStar(pcgrid, rm1.opening[0,0], rm1.opening[0,1], rm2.opening[0,0], rm2.opening[0,1], this.corridor_weight, this.turning_weight);

// Random tunneling

for (int j = 1; (j < rm1.opening_num); j++) {

this.tunnelRandom(rm1.opening[j,0], rm1.opening[j,1], rm1.opening[j,2], 3);

}

}

}

else {

// If complex

Room rm1 = ((Room)(this.rooms[0]));

for (int i = 1; (i < this.rooms.Count); i++) {

// Go through each room and connect its first opening to the first opening of the first room

Room rm2 = ((Room)(this.rooms[i]));

// Connect rooms

//basicAStar(pcgrid, rm1.opening[0,0], rm1.opening[0,1], rm2.opening[0,0], rm2.opening[0,1], this.corridor_weight, this.turning_weight);

}

// Random tunneling

for (int i = 0; (i < this.rooms.Count); i++) {

Room rm3 = ((Room)(this.rooms[i]));

for (int j = 1; (j < rm3.opening_num); j++) {

this.tunnelRandom(rm3.opening[j,0], rm3.opening[j,1], rm3.opening[j,2], 3);

}

}

}

}

public void tunnel(int x, int y, int dir)

{

if (((pcgrid[x, y] == 2)

|| (pcgrid[x, y] == 3)))

{

pcgrid[x, y] = 3;

}

// If on top of wall or door

pcgrid[x, y] = 4;

// Set cell to corridor

this.tunnelRandom(x, y, this.shuffleDir(dir, 85), 3);

// Randomly choose next cell to go to

}

public void tunnelRandom(int x, int y, int dir, int iteration)

{

if ((iteration == 0))

{

return;

}

// End of recursion iteration

// Choose a random direction and check to see if that cell is occupied, if not, head in that direction

switch (dir)

{

case 0:

if (!this.blockCorridor(x, (y - 1), 0))

{

this.tunnel(x, (y - 1), dir);

}

// North

this.tunnelRandom(x, y, this.shuffleDir(dir, 0), (iteration - 1));

// Try again

break;

case 1:

if (!this.blockCorridor((x + 1), y, 1))

{

this.tunnel((x + 1), y, dir);

}

// East

this.tunnelRandom(x, y, this.shuffleDir(dir, 0), (iteration - 1));

// Try again

break;

case 2:

if (!this.blockCorridor(x, (y + 1), 0))

{

this.tunnel(x, (y + 1), dir);

}

// South

this.tunnelRandom(x, y, this.shuffleDir(dir, 0), (iteration - 1));

// Try again

break;

case 3:

if (!this.blockCorridor((x - 1), y, 1))

{

this.tunnel((x - 1), y, dir);

}

// West

this.tunnelRandom(x, y, this.shuffleDir(dir, 0), (iteration - 1));

// Try again

break;

}

}吃的

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