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x fluid geometry emittion

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mcrcortex
2025-04-15 12:40:32 +10:00
parent 7e3a73671b
commit 99cfbb07b9
1 changed files with 255 additions and 0 deletions
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255
src/main/java/me/cortex/voxy/client/core/rendering/building/RenderDataFactory45.java
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@@ -489,6 +489,8 @@ public class RenderDataFactory45 {
int ai = facingForward == 1 ? a : b;
int bi = facingForward == 1 ? b : a;
//TODO: check if must cull against next entries face
long A = this.sectionData[ai];
long Am = this.sectionData[ai+1];
//If it isnt a fluid but contains one,
@@ -693,6 +695,7 @@ public class RenderDataFactory45 {
for (int z = 0; z < 32; z++) {
int lMsk = this.opaqueMasks[y*32+z];
msk = (lMsk^(lMsk>>>1));
//TODO: fixme? doesnt this generate extra geometry??
msk &= -1>>>1;//Remove top bit as we dont actually know/have the data for that slice
//Always increment cause can do funny trick (i.e. -1 on skip amount)
@@ -826,6 +829,10 @@ public class RenderDataFactory45 {
if (ModelQueries.isFullyOpaque(meta)) {
oki = false;
}
//TODO: check neibor face
//else if (ModelQueries.faceOccludes(meta, (axis << 1) | (1 - side))) {
// oki = false;
//}
}
if (oki) {
ma.skip(skipA); skipA = 0;
@@ -845,6 +852,10 @@ public class RenderDataFactory45 {
if (ModelQueries.isFullyOpaque(meta)) {
oki = false;
}
//TODO: check neibor face
//else if (ModelQueries.faceOccludes(meta, (axis << 1) | (1 - side))) {
// oki = false;
//}
}
if (oki) {
mb.skip(skipB); skipB = 0;
@@ -866,6 +877,243 @@ public class RenderDataFactory45 {
mb.doAuxiliaryFaceOffset = true;
}
private void generateXInnerFluidGeometry() {
for (int y = 0; y < 32; y++) {
long sumA = 0;
long sumB = 0;
long sumC = 0;
int partialHasCount = -1;
int msk = 0;
for (int z = 0; z < 32; z++) {
int oMsk = this.opaqueMasks[y*32+z];
int fMsk = this.fluidMasks[y*32+z];
int lMsk = oMsk|fMsk;
msk = (lMsk^(lMsk>>>1));
//TODO: fixme? doesnt this generate extra geometry??
msk &= -1>>>1;//Remove top bit as we dont actually know/have the data for that slice
//Dont generate geometry for opaque faces
msk &= fMsk|(fMsk>>1);
//Always increment cause can do funny trick (i.e. -1 on skip amount)
sumA += X_I_MSK;
sumB += X_I_MSK;
sumC += X_I_MSK;
partialHasCount &= ~msk;
if (z == 30 && partialHasCount != 0) {//Hackfix for incremental count overflow issue
int cmsk = partialHasCount;
while (cmsk!=0) {
int index = Integer.numberOfTrailingZeros(cmsk);
cmsk &= ~Integer.lowestOneBit(cmsk);
//TODO: fixme! check this is correct or if should be 30
this.xAxisMeshers[index].skip(31);
}
//Clear the sum
sumA &= ~(Long.expand(Integer.toUnsignedLong(partialHasCount), X_I_MSK)*0x1F);
sumB &= ~(Long.expand(Integer.toUnsignedLong(partialHasCount)>>11, X_I_MSK)*0x1F);
sumC &= ~(Long.expand(Integer.toUnsignedLong(partialHasCount)>>22, X_I_MSK)*0x1F);
}
if (msk == 0) {
continue;
}
int faceForwardMsk = msk&lMsk;
int iter = msk;
while (iter!=0) {
int index = Integer.numberOfTrailingZeros(iter);
iter &= ~Integer.lowestOneBit(iter);
var mesher = this.xAxisMeshers[index];
int skipCount;//Compute the skip count
{//TODO: Branch-less
//Compute skip and clear
if (index<11) {
skipCount = (int) (sumA>>(index*5));
sumA &= ~(0x1FL<<(index*5));
} else if (index<22) {
skipCount = (int) (sumB>>((index-11)*5));
sumB &= ~(0x1FL<<((index-11)*5));
} else {
skipCount = (int) (sumC>>((index-22)*5));
sumC &= ~(0x1FL<<((index-22)*5));
}
skipCount &= 0x1F;
skipCount--;
}
if (skipCount != 0) {
mesher.skip(skipCount);
}
int facingForward = ((faceForwardMsk>>index)&1);
{
int idx = index + (z * 32) + (y * 32 * 32);
//The facingForward thing is to get next entry automajicly
int ai = (idx+(1-facingForward))*2;
int bi = (idx+facingForward)*2;
long A = this.sectionData[ai];
long Am = this.sectionData[ai+1];
//TODO: check if must cull against next entries face
if (ModelQueries.containsFluid(Am)) {
int modelId = (int) ((A>>26)&0xFFFF);
A &= ~(0xFFFFL<<26);
int fluidId = this.modelMan.getFluidClientStateId(modelId);
A |= Integer.toUnsignedLong(fluidId)<<26;
Am = this.modelMan.getModelMetadataFromClientId(fluidId);
}
long lighter = A;
//if (!ModelQueries.faceUsesSelfLighting(Am, facingForward|(axis*2))) {//TODO: check this is right
// lighter = this.sectionData[bi];
//}
//Example thing thats just wrong but as example
mesher.putNext(((long) facingForward) |//Facing
A |
(lighter&(0xFFL<<55))//Lighting
);
}
}
}
//Need to skip the remaining entries in the skip array
{
msk = ~msk;//Invert the mask as we only need to set stuff that isnt 0
while (msk!=0) {
int index = Integer.numberOfTrailingZeros(msk);
msk &= ~Integer.lowestOneBit(msk);
int skipCount;
if (index < 11) {
skipCount = (int) (sumA>>(index*5));
} else if (index<22) {
skipCount = (int) (sumB>>((index-11)*5));
} else {
skipCount = (int) (sumC>>((index-22)*5));
}
skipCount &= 0x1F;
if (skipCount != 0) {
this.xAxisMeshers[index].skip(skipCount);
}
}
}
}
}
private void generateXOuterFluidGeometry() {
//Generate the side faces, hackily, using 0 and 31 mesher
var ma = this.xAxisMeshers[0];
var mb = this.xAxisMeshers[31];
ma.finish();
mb.finish();
ma.doAuxiliaryFaceOffset = false;
mb.doAuxiliaryFaceOffset = false;
for (int y = 0; y < 32; y++) {
int skipA = 0;
int skipB = 0;
for (int z = 0; z < 32; z++) {
int i = y*32+z;
int msk = this.fluidMasks[i];
if ((msk & 1) != 0) {//-x
long neighborId = this.neighboringFaces[i];
boolean oki = true;
if (Mapper.getBlockId(neighborId) != 0) {//Not air
long meta = this.modelMan.getModelMetadataFromClientId(this.modelMan.getModelId(Mapper.getBlockId(neighborId)));
if (ModelQueries.isFullyOpaque(meta)) {
oki = false;
}
//TODO: check neibor face
//else if (ModelQueries.faceOccludes(meta, (axis << 1) | (1 - side))) {
// oki = false;
//}
}
if (oki) {
ma.skip(skipA); skipA = 0;
int sidx = (i<<5) * 2;
long A = this.sectionData[sidx];
long Am = this.sectionData[sidx + 1];
//TODO: check if must cull against next entries face
if (ModelQueries.containsFluid(Am)) {
int modelId = (int) ((A>>26)&0xFFFF);
A &= ~(0xFFFFL<<26);
int fluidId = this.modelMan.getFluidClientStateId(modelId);
A |= Integer.toUnsignedLong(fluidId)<<26;
Am = this.modelMan.getModelMetadataFromClientId(fluidId);
}
long lightData = ((neighborId&(0xFFL<<56))>>1);//A;
//if (!ModelQueries.faceUsesSelfLighting(Am, facingForward|(axis*2))) {//TODO: check this is right
// lighter = this.sectionData[bi];
//}
ma.putNext(0L |
A |
lightData
);
} else {skipA++;}
} else {skipA++;}
if ((msk & (1<<31)) != 0) {//+x
long neighborId = this.neighboringFaces[i+32*32];
boolean oki = true;
if (Mapper.getBlockId(neighborId) != 0) {//Not air
long meta = this.modelMan.getModelMetadataFromClientId(this.modelMan.getModelId(Mapper.getBlockId(neighborId)));
if (ModelQueries.isFullyOpaque(meta)) {
oki = false;
}
//TODO: check neibor face
//else if (ModelQueries.faceOccludes(meta, (axis << 1) | (1 - side))) {
// oki = false;
//}
}
if (oki) {
mb.skip(skipB); skipB = 0;
int sidx = (i*32+31) * 2;
long A = this.sectionData[sidx];
long Am = this.sectionData[sidx + 1];
//TODO: check if must cull against next entries face
if (ModelQueries.containsFluid(Am)) {
int modelId = (int) ((A>>26)&0xFFFF);
A &= ~(0xFFFFL<<26);
int fluidId = this.modelMan.getFluidClientStateId(modelId);
A |= Integer.toUnsignedLong(fluidId)<<26;
Am = this.modelMan.getModelMetadataFromClientId(fluidId);
}
long lightData = ((neighborId&(0xFFL<<56))>>1);//A;
//if (!ModelQueries.faceUsesSelfLighting(Am, facingForward|(axis*2))) {//TODO: check this is right
// lighter = this.sectionData[bi];
//}
mb.putNext(1L |
A |
lightData
);
} else {skipB++;}
} else {skipB++;}
}
ma.skip(skipA);
mb.skip(skipB);
}
ma.finish();
mb.finish();
ma.doAuxiliaryFaceOffset = true;
mb.doAuxiliaryFaceOffset = true;
}
private void generateXNonOpaqueInnerGeometry() {
@@ -878,6 +1126,13 @@ public class RenderDataFactory45 {
for (var mesher : this.xAxisMeshers) {
mesher.finish();
}
this.generateXInnerFluidGeometry();
this.generateXOuterFluidGeometry();
for (var mesher : this.xAxisMeshers) {
mesher.finish();
}
}
//section is already acquired and gets released by the parent