From 1c73c2d5eab04c5f09d3402ae1427b70157149af Mon Sep 17 00:00:00 2001
From: austin <austin@austinhoover.net>
Date: Sat, 7 Dec 2024 16:29:40 -0500
Subject: [PATCH] reintroduce sleep

---
 docs/src/progress/renderertodo.md         |  1 +
 src/main/c/src/fluid/queue/metadatacalc.c | 60 +++++++++++------------
 2 files changed, 31 insertions(+), 30 deletions(-)

diff --git a/docs/src/progress/renderertodo.md b/docs/src/progress/renderertodo.md
index a95200d4..aaaf8a99 100644
--- a/docs/src/progress/renderertodo.md
+++ b/docs/src/progress/renderertodo.md
@@ -1270,6 +1270,7 @@ Frame tracking on native side
 Fix memory leak in client fluid data chunks
 Work on cellular sim determinism
 More cellular determinism verification
+reintroduce sleeping code
 
 
 # TODO
diff --git a/src/main/c/src/fluid/queue/metadatacalc.c b/src/main/c/src/fluid/queue/metadatacalc.c
index 4a9f4f72..27fbe72d 100644
--- a/src/main/c/src/fluid/queue/metadatacalc.c
+++ b/src/main/c/src/fluid/queue/metadatacalc.c
@@ -43,49 +43,49 @@ void updateMetadata(JNIEnv * env, int numChunks, Chunk ** passedInChunks, Enviro
         }
         //get whether the chunk is currently homogenous or not
         int homogenous = sum <= 0 ? JNI_TRUE : JNI_FALSE;
-        // (*env)->SetBooleanField(env,jObj,environment->lookupTable.serverFluidChunkTable.homogenousId,homogenous);
-        (*env)->SetBooleanField(env,jObj,environment->lookupTable.serverFluidChunkTable.homogenousId,JNI_FALSE);
+        (*env)->SetBooleanField(env,jObj,environment->lookupTable.serverFluidChunkTable.homogenousId,homogenous);
+        // (*env)->SetBooleanField(env,jObj,environment->lookupTable.serverFluidChunkTable.homogenousId,JNI_FALSE);
 
         //update total density
         (*env)->SetFloatField(env,jObj,totalDensityId,sum);
 
         //check if any neighbor is non-homogenous
-        // jobject neighborArr = (*env)->GetObjectField(env,jObj,environment->lookupTable.serverFluidChunkTable.neighborsId);
-        // int nonHomogenousNeighbor = JNI_FALSE;
-        // for(int j = 0; j < NEIGHBOR_ARRAY_COUNT; j++){
-        //     if(j == CENTER_LOC){
-        //         continue;
-        //     }
-        //     jobject neighborObj = (*env)->GetObjectArrayElement(env,neighborArr,j);
-        //     if(neighborObj != NULL){
-        //         int neighborHomogenous = (*env)->GetBooleanField(env,neighborObj,environment->lookupTable.serverFluidChunkTable.homogenousId);
-        //         if(neighborHomogenous == JNI_FALSE){
-        //             nonHomogenousNeighbor = JNI_TRUE;
-        //             break;
-        //         }
-        //     }
-        // }
+        jobject neighborArr = (*env)->GetObjectField(env,jObj,environment->lookupTable.serverFluidChunkTable.neighborsId);
+        int nonHomogenousNeighbor = JNI_FALSE;
+        for(int j = 0; j < NEIGHBOR_ARRAY_COUNT; j++){
+            if(j == CENTER_LOC){
+                continue;
+            }
+            jobject neighborObj = (*env)->GetObjectArrayElement(env,neighborArr,j);
+            if(neighborObj != NULL){
+                int neighborHomogenous = (*env)->GetBooleanField(env,neighborObj,environment->lookupTable.serverFluidChunkTable.homogenousId);
+                if(neighborHomogenous == JNI_FALSE){
+                    nonHomogenousNeighbor = JNI_TRUE;
+                    break;
+                }
+            }
+        }
 
         //figure out if this chunk should sleep or not
         int shouldSleep = JNI_TRUE;
-        // if(nonHomogenousNeighbor == JNI_TRUE || homogenous == JNI_FALSE){
+        if(nonHomogenousNeighbor == JNI_TRUE || homogenous == JNI_FALSE){
             shouldSleep = JNI_FALSE;
-        // }
+        }
         (*env)->SetBooleanField(env,jObj,environment->lookupTable.serverFluidChunkTable.asleepId,shouldSleep);
 
         //if this cell is awake AND non-homogenous, make sure all neighbors are awake
-        // if(shouldSleep == JNI_FALSE && homogenous == JNI_FALSE){
+        if(shouldSleep == JNI_FALSE && homogenous == JNI_FALSE){
             (*env)->SetBooleanField(env,jObj,updatedId,JNI_TRUE);
-        //     for(int j = 0; j < NEIGHBOR_ARRAY_COUNT; j++){
-        //         if(j == CENTER_LOC){
-        //             continue;
-        //         }
-        //         jobject neighborObj = (*env)->GetObjectArrayElement(env,neighborArr,j);
-        //         if(neighborObj != NULL){
-        //             (*env)->SetBooleanField(env,neighborObj,environment->lookupTable.serverFluidChunkTable.asleepId,JNI_FALSE);
-        //         }
-        //     }
-        // }
+            for(int j = 0; j < NEIGHBOR_ARRAY_COUNT; j++){
+                if(j == CENTER_LOC){
+                    continue;
+                }
+                jobject neighborObj = (*env)->GetObjectArrayElement(env,neighborArr,j);
+                if(neighborObj != NULL){
+                    (*env)->SetBooleanField(env,neighborObj,environment->lookupTable.serverFluidChunkTable.asleepId,JNI_FALSE);
+                }
+            }
+        }
     }
 
     //alert java side to updated static values