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Overhauled RiftGenerator

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Overhauled RIftGenerator. The code is significantly more readable now.
It's commented and much more compact. I also removed all fields from
RiftGenerator - they were unnecessary and using them increased the risk
of buggy code. Made the code rely solely on the Random instance provided
by MC, meaning our rifts and gateways will be tied to the world seed.
Tweaked the code slightly so that clusters of rifts and gateways can
never generate in the same chunk. This was previously possible, although
highly unlikely. It's a work of art now. <3
This commit is contained in:
SenseiKiwi 2013-06-16 14:36:32 -04:00
parent 8dce8c1c26
commit b2f5c4ea4e
1 changed files with 107 additions and 111 deletions
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218
StevenDimDoors/mod_pocketDim/RiftGenerator.java
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@ -12,31 +12,14 @@ import cpw.mods.fml.common.IWorldGenerator;
public class RiftGenerator implements IWorldGenerator
{
//TODO: Stop the madness here...
//Based on reviewing the code in this mod, I believe that all IWorldGenerators
//must work as singletons. Given that each call that comes into them is independent,
//we shouldn't have ANY fields in here! At best they will end up causing bugs.
//In particular, using our own instance of Random instead of one derived from the world
//seed means that our chunk generation isn't linked to the world seed. Bad, very bad!
//I'm going to fix this later. <_<;; ~SenseiKiwi
private int minableBlockId;
private int numberOfBlocks;
int cycles=40;
boolean shouldSave = false;
int count = 0;
int i;
int k;
int j;
Random rand = new Random();
boolean shouldGenHere = true;
LinkData link;
DimData dimData;
public static final int MAX_GATEWAY_GENERATION_CHANCE = 10000;
public static final int MAX_CLUSTER_GENERATION_CHANCE = 10000;
private static final int CLUSTER_GROWTH_CHANCE = 80;
private static final int MAX_CLUSTER_GROWTH_CHANCE = 100;
private static final int MIN_RIFT_Y = 21;
private static final int MAX_RIFT_Y = 250;
private static final int CHUNK_LENGTH = 16;
private static final int GATEWAY_RADIUS = 3;
private static DDProperties properties = null;
public RiftGenerator()
@ -48,107 +31,120 @@ public class RiftGenerator implements IWorldGenerator
@Override
public void generate(Random random, int chunkX, int chunkZ, World world, IChunkProvider chunkGenerator, IChunkProvider chunkProvider)
{
//TODO: This code could really use some cleaning up... ~SenseiKiwi
shouldGenHere = properties.WorldRiftGenerationEnabled && !(world.provider instanceof pocketProvider) && !world.isRemote;
if (shouldGenHere && random.nextInt(MAX_CLUSTER_GENERATION_CHANCE) < properties.ClusterGenerationChance)
//Don't generate rifts or gateways if the rift generation flag is disabled,
//the current world is a pocket dimension, or the world is remote.
if (!properties.WorldRiftGenerationEnabled || world.provider instanceof pocketProvider || world.isRemote)
{
i = chunkX * 16 - random.nextInt(16);
k = chunkZ * 16 - random.nextInt(16);
j = world.getHeightValue(i, k);
if (j > 20 && world.getBlockId(i, j, k) == 0)
{
// System.out.println(String.valueOf(i)+"x "+String.valueOf(j)+"y "+String.valueOf(k)+"z"+"Large gen");
link = new LinkData(world.provider.dimensionId, 0, i, j+1, k, i, j+1, k, true,rand.nextInt(4));
link = dimHelper.instance.createPocket(link,true, true);
this.shouldSave=true;
// SchematicLoader loader = new SchematicLoader();
// loader.init(link);
// loader.generateSchematic(link);
count = 0;
while (random.nextInt(MAX_CLUSTER_GROWTH_CHANCE) < CLUSTER_GROWTH_CHANCE)
{
i = chunkX * 16 - random.nextInt(16);
k = chunkZ * 16 - random.nextInt(16);
j = world.getHeightValue(i, k);
if (world.isAirBlock(i, j + 1, k))
{
link = dimHelper.instance.createLink(link.locDimID,link.destDimID, i, j+1, k,link.destXCoord,link.destYCoord,link.destZCoord);
}
}
}
return;
}
if (shouldGenHere && random.nextInt(MAX_GATEWAY_GENERATION_CHANCE) < properties.GatewayGenerationChance)
int x, y, z;
int blockID;
LinkData link;
//Randomly decide whether to place a cluster of rifts here
if (random.nextInt(MAX_CLUSTER_GENERATION_CHANCE) < properties.ClusterGenerationChance)
{
// System.out.println("tryingToGen");
int blockID = Block.stoneBrick.blockID;
if (world.provider.dimensionId == properties.LimboDimensionID)
link = null;
do
{
blockID = properties.LimboBlockID;
}
i=chunkX*16-random.nextInt(16);
k=chunkZ*16-random.nextInt(16);
//Pick a random point on the surface of the chunk
x = chunkX * CHUNK_LENGTH - random.nextInt(CHUNK_LENGTH);
z = chunkZ * CHUNK_LENGTH - random.nextInt(CHUNK_LENGTH);
y = world.getHeightValue(x, z);
j= world.getHeightValue(i, k);
if(j>20 && world.getBlockId(i, j, k)==0)
{
//System.out.println(String.valueOf(i)+"x "+String.valueOf(j)+"y "+String.valueOf(k)+"z"+"small gen");
count=0;
if(world.isAirBlock(i, j+1, k))
//If the point is within the acceptable altitude range and the block above is empty, then place a rift
if (y >= MIN_RIFT_Y && y <= MAX_RIFT_Y && world.isAirBlock(x, y + 1, z))
{
if(world.isBlockOpaqueCube(i, j-2, k)||world.isBlockOpaqueCube(i, j-1, k))
//Create a link. If this is the first time, create a dungeon pocket and create a two-way link.
//Otherwise, create a one-way link and connect to the destination of the first link.
if (link == null)
{
link = new LinkData(world.provider.dimensionId, 0, i, j+1, k, i, j+1, k, true,rand.nextInt(4));
link =dimHelper.instance.createPocket(link,true, true);
for(int xc=-3;xc<4;xc++)
{
for(int zc=-3;zc<4;zc++)
{
for(int yc=0;yc<200;yc++)
{
if(yc==0&&world.isBlockOpaqueCube(i+xc, j-2,k +zc))
{
if(Math.abs(xc)+Math.abs(zc)<rand.nextInt(3)+2)
{
world.setBlock(i+xc, j-1+yc, k+zc, blockID);
}
else if(Math.abs(xc)+Math.abs(zc)<rand.nextInt(3)+3)
{
world.setBlock(i+xc, j-1+yc, k+zc, blockID,2,1);
}
}
}
}
}
ItemRiftBlade.placeDoorBlock(world, i, j+1, k, 0, mod_pocketDim.transientDoor);
{
world.setBlock(i, j+1, k-1, blockID,0,1);
world.setBlock(i, j+1, k+1, blockID,0,1);
world.setBlock(i, j, k-1, blockID,0,1);
world.setBlock(i, j, k+1, blockID,0,1);
world.setBlock(i, j+2, k+1, blockID,3,1);
world.setBlock(i, j+2, k-1, blockID,3,1);
}
this.shouldSave = true;
link = new LinkData(world.provider.dimensionId, 0, x, y + 1, z, x, y + 1, z, true, random.nextInt(4));
link = dimHelper.instance.createPocket(link, true, true);
}
else
{
link = dimHelper.instance.createLink(link.locDimID, link.destDimID, x, y + 1, z, link.destXCoord, link.destYCoord, link.destZCoord);
}
}
}
//Randomly decide whether to repeat the process and add another rift to the cluster
while (random.nextInt(MAX_CLUSTER_GROWTH_CHANCE) < CLUSTER_GROWTH_CHANCE);
}
//Randomly decide whether to place a Rift Gateway here.
//This only happens if a rift cluster was NOT generated.
else if (random.nextInt(MAX_GATEWAY_GENERATION_CHANCE) < properties.GatewayGenerationChance)
{
//Pick a random point on the surface of the chunk
x = chunkX * CHUNK_LENGTH - random.nextInt(CHUNK_LENGTH);
z = chunkZ * CHUNK_LENGTH - random.nextInt(CHUNK_LENGTH);
y = world.getHeightValue(x, z);
//Check if the point is within the acceptable altitude range, the block above that point is empty,
//and at least one of the two blocks under that point are opaque
if (y >= MIN_RIFT_Y && y <= MAX_RIFT_Y && world.isAirBlock(x, y + 1, z) &&
world.isBlockOpaqueCube(x, y - 2, z) || world.isBlockOpaqueCube(x, y - 1, z))
{
//Create a two-way link between the upper block of the gateway and a pocket dimension
//That pocket dimension is where we'll start a dungeon!
link = new LinkData(world.provider.dimensionId, 0, x, y + 1, z, x, y + 1, z, true, random.nextInt(4));
link = dimHelper.instance.createPocket(link, true, true);
//If the current dimension isn't Limbo, build a Rift Gateway out of Stone Bricks
if (world.provider.dimensionId != properties.LimboDimensionID)
{
blockID = Block.stoneBrick.blockID;
//Replace some of the ground around the gateway with bricks
for (int xc = -GATEWAY_RADIUS; xc <= GATEWAY_RADIUS; xc++)
{
for (int zc= -GATEWAY_RADIUS; zc <= GATEWAY_RADIUS; zc++)
{
//Check that the block is supported by an opaque block.
//This prevents us from building over a cliff, on the peak of a mountain,
//or the surface of the ocean or a frozen lake.
if (world.isBlockOpaqueCube(x + xc, y - 2, z + zc))
{
//Randomly choose whether to place bricks or not. The math is designed so that the
//chances of placing a block decrease as we get farther from the gateway's center.
if (Math.abs(xc) + Math.abs(zc) < random.nextInt(3) + 2)
{
//Place Stone Bricks
world.setBlock(x + xc, y - 1, z + zc, blockID);
}
else if (Math.abs(xc) + Math.abs(zc) < random.nextInt(3) + 3)
{
//Place Cracked Stone Bricks
world.setBlock(x + xc, y - 1, z + zc, blockID, 2, 1);
}
}
}
}
//Use Chiseled Stone Bricks to top off the pillars around the door
world.setBlock(x, y + 2, z + 1, blockID, 3, 1);
world.setBlock(x, y + 2, z - 1, blockID, 3, 1);
}
else
{
//Build the gateway out of Unraveled Fabric. Since nearly all the blocks in Limbo are of
//that type, there is no point replacing the ground. Just build the tops of the columns here.
blockID = properties.LimboBlockID;
world.setBlock(x, y + 2, z + 1, blockID, 0, 1);
world.setBlock(x, y + 2, z - 1, blockID, 0, 1);
}
//Place the shiny transient door into a dungeon
ItemRiftBlade.placeDoorBlock(world, x, y + 1, z, 0, mod_pocketDim.transientDoor);
//Build the columns around the door
world.setBlock(x, y + 1, z - 1, blockID, 0, 1);
world.setBlock(x, y + 1, z + 1, blockID, 0, 1);
world.setBlock(x, y, z - 1, blockID, 0, 1);
world.setBlock(x, y, z + 1, blockID, 0, 1);
}
}
}
}