lib+scripts: Fix & tweak instance testing script

It should now work just by running the script. Amount of statues and
other parameters can be tweaked in the script directly.

scripts/scenes/lots_of_instances/hdr.json

@@ -11,8 +11,8 @@
 		"outputFileName": "rendered",
 		"fileType": "png",
 		"count": 0,
-		"width": 1280,
-		"height": 800
+		"width": 1920,
+		"height": 1080
 	},
 	"display": {
 		"isFullscreen": false,
@@ -63,7 +63,7 @@
 			]
 		},
 		{
-			"FOV": 90.0,
+			"FOV": 100.0,
 			"focalDistance": 0.2,
 			"fstops": 0,
 			"transforms": [
@@ -445,10 +445,6 @@
 							{
 								"type": "translate",
 								"X": 0.08
-							},
-							{
-								"type": "rotateY",
-								"degrees": 0
 							}
 						]
 					}

scripts/scenes/lots_of_instances/run.py

@@ -15,22 +15,27 @@
 with open(filename) as f:
 	data = json.load(f)
 
-data["scene"]["outputFilePath"] = "scripts/scenes/"
-data["scene"]["outputFileName"] = "lotsa_instances"
+data["renderer"]["outputFilePath"] = "scripts/scenes/"
+data["renderer"]["outputFileName"] = "lotsa_instances"
 
 # Yoink primitives
 data["scene"]["primitives"] = []
 
 instancelist = data["scene"]["meshes"][1]["pick_instances"]
-for i in range(1000000):
+for i in range(100000):
 	skel = copy.deepcopy(instancelist[0])
+	skel["for"] = "Venus"
 	skel["materials"][0]["color"] = {'type': 'hsl', 'h': random.uniform(0,360), 's': 100, 'l': 75}
 	skel["transforms"][1]["X"] = random.uniform(0, 10) - 5
+	skel["transforms"][1]["Y"] = random.uniform(0, 10) - 5
 	skel["transforms"][1]["Z"] = random.uniform(0, 40) - 2.5
+	skel["transforms"].append({"type": "rotateX", "degrees": random.uniform(0, 360)})
+	skel["transforms"].append({"type": "rotateY", "degrees": random.uniform(0, 360)})
+	skel["transforms"].append({"type": "rotateZ", "degrees": random.uniform(0, 360)})
 	instancelist.append(skel)
 
 #print("Dumping scene to subprocess...")
-#proc = Popen('./bin/c-ray --asset-path input/ -s 25 -c 2 -j 0 --nodes 127.1,127.1:2323', stdin=PIPE, shell=True, bufsize=0)
-#proc.stdin.write(json.dumps(data).encode())
-#proc.communicate()
-print(json.dumps(data))
+proc = Popen('./bin/c-ray --asset-path input/ -s 25 -c 2', stdin=PIPE, shell=True, bufsize=1024)
+proc.stdin.write(json.dumps(data).encode())
+proc.communicate()
+#print(json.dumps(data))

src/common/fileio.c

@@ -281,7 +281,7 @@ file_data read_stdin(void) {
 	}
 
 	buf[buf_size ] = 0;
-	return (file_data){ .items = buf, .count = buf_size - 1, .capacity = buf_size - 1 };
+	return (file_data){ .items = buf, .count = buf_size, .capacity = buf_size };
 }
 
 char *human_file_size(unsigned long bytes, char *stat_buf) {