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package ru.olamedia.olacraft.render.jogl;
import ru.olamedia.Options;
import ru.olamedia.geom.SimpleQuadMesh;
import ru.olamedia.math.Box;
import ru.olamedia.math.Classifier;
import ru.olamedia.olacraft.game.Game;
import ru.olamedia.olacraft.world.chunk.BlockSlice;
import ru.olamedia.olacraft.world.chunk.Chunk;
import ru.olamedia.olacraft.world.chunk.ChunkMeshBulder;
import ru.olamedia.olacraft.world.chunk.ChunkSlice;
import ru.olamedia.olacraft.world.location.BlockLocation;
import ru.olamedia.olacraft.world.location.ChunkLocation;
public class ChunkRenderer {
private BlockSlice slice;
public ChunkRenderer(BlockSlice slice) {
this.slice = slice;
}
public int testedChunks = 0;
public int visibleTop = 0;
public int visibleBottom = 0;
public int visibleLeft = 0;
public int visibleRight = 0;
public int visibleFront = 0;
public int visibleBack = 0;
public int frustumCulledChunks = 0;
public int frustumIntersectChunks = 0;
public boolean renderChunk(Chunk chunk, boolean skipnew) {
float d = (float) Math.sqrt(Math.pow(chunk.getOffset().x + 8 - cameraBlock.x, 2)
+ Math.pow(chunk.getOffset().y + 8 - cameraBlock.y, 2)
+ Math.pow(chunk.getOffset().z + 8 - cameraBlock.z, 2));
if (d > Options.renderDistance) {
return skipnew;
}
testedChunks++;
if (!chunk.inWorldRange()) {
return skipnew;
}
Box box = new Box(chunk.getOffset().x, chunk.getOffset().y, chunk.getOffset().z, chunk.getOffset().x
+ chunk.getWidth(), chunk.getOffset().y + chunk.getHeight(), chunk.getOffset().z + chunk.getDepth());
if (Game.instance.camera.frustum.quickClassify(box) == Classifier.OUTSIDE) {
frustumCulledChunks++;
return skipnew;
}
chunk.render();
if (!chunk.isMeshCostructed) {
if (!chunk.isAvailable()) {
// System.out.println("not available " + chunk);
chunk.request();
return skipnew;
}
if (!chunk.isNeighborsAvailable()) {
// System.out.println("not available " + chunk);
chunk.requestNeighbors();
return skipnew;
}
// compute visibility
// System.out.println("available");
// // boolean inside = true;
// if (Game.camera.frustum != null) {
// if (Game.camera.frustum.quickClassify(box) ==
// Classifier.Classification.OUTSIDE) {
// frustumCulledChunks++;
// return;
// }
// }
// } else if (Game.camera.frustum.test(box) == Classifier.INTERSECT)
// {
// inside = false;
// frustumIntersectChunks++;
// } else {
// frustumCulledChunks++;
// return;
// }
if (!chunk.isMeshCostructed) {
if (skipnew) {
return skipnew;
}
}
if (!chunk.isMeshCostructed) {
ChunkMeshBulder.instance.add(chunk);
if (ChunkMeshBulder.instance.isFull()) {
// System.out.println("queue is full, skipping");
skipnew = true;
}
// System.out.println("not constructed");
return skipnew;
}
return skipnew;
} else {
return skipnew;
}
}
BlockLocation cameraBlock;
ChunkLocation cameraChunk;
int distance;
public ChunkSlice chunkSlice;
public void render() {
if (!ChunkMeshBulder.instance.isAlive() && !ChunkMeshBulder.instance.isInterrupted()) {
ChunkMeshBulder.instance.start();
}
if (null == chunkSlice) {
chunkSlice = slice.getChunkSlice();
}
testedChunks = 0;
visibleTop = 0;
visibleBottom = 0;
visibleLeft = 0;
visibleRight = 0;
visibleFront = 0;
visibleBack = 0;
frustumCulledChunks = 0;
cameraBlock = Game.client.getScene().getPlayer().getCameraBlockLocation();
cameraChunk = cameraBlock.getChunkLocation();
ChunkLocation renderLoc;
boolean skipnew = false;
for (distance = 0; distance <= Options.renderDistance / 16; distance++) {
if (distance > 0) {
int shortDistance = distance - 1;
renderLoc = new ChunkLocation(cameraChunk);
for (renderLoc.x = cameraChunk.x - distance; renderLoc.x <= cameraChunk.x + distance; renderLoc.x += distance * 2) {
// render ZY sides
for (renderLoc.y = cameraChunk.y - distance; renderLoc.y <= cameraChunk.y + distance; renderLoc.y++) {
for (renderLoc.z = cameraChunk.z - distance; renderLoc.z <= cameraChunk.z + distance; renderLoc.z++) {
skipnew = renderChunk(chunkSlice.getChunk(renderLoc), skipnew);
}
}
}
for (renderLoc.z = cameraChunk.z - distance; renderLoc.z <= cameraChunk.z + distance; renderLoc.z += distance * 2) {
// render XY sides
for (renderLoc.x = cameraChunk.x - shortDistance; renderLoc.x <= cameraChunk.x + shortDistance; renderLoc.x++) {
for (renderLoc.y = cameraChunk.y - distance; renderLoc.y <= cameraChunk.y + distance; renderLoc.y++) {
skipnew = renderChunk(chunkSlice.getChunk(renderLoc), skipnew);
}
}
}
for (renderLoc.y = cameraChunk.y - distance; renderLoc.y <= cameraChunk.y + distance; renderLoc.y += distance * 2) {
// render XZ sides
for (renderLoc.x = cameraChunk.x - shortDistance; renderLoc.x <= cameraChunk.x + shortDistance; renderLoc.x++) {
for (renderLoc.z = cameraChunk.z - shortDistance; renderLoc.z <= cameraChunk.z + shortDistance; renderLoc.z++) {
skipnew = renderChunk(chunkSlice.getChunk(renderLoc), skipnew);
}
}
}
} else {
renderLoc = new ChunkLocation(cameraChunk);
skipnew = renderChunk(chunkSlice.getChunk(renderLoc), skipnew);
}
}
}
}
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