Add memory accessing functions.

Author: AlexIIL

src/main/java/alexiil/mc/mod/load/ClsManager.java

@@ -77,6 +77,20 @@ public class ClsManager {
         FUNC_CTX.put_s("tip", Tips::getFirstTip);
         FUNC_CTX.put_l("tip_count", Tips::getTipCount);
         FUNC_CTX.put_l_o("tip", String.class, Tips::getTip);
+
+        FUNC_CTX.put_l("memory_bytes_total", Runtime.getRuntime()::totalMemory);
+        FUNC_CTX.put_l("memory_bytes_max", Runtime.getRuntime()::maxMemory);
+        FUNC_CTX.put_l("memory_bytes_free", Runtime.getRuntime()::freeMemory);
+        FUNC_CTX.put_l("memory_bytes_used", () -> {
+            return Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
+        });
+
+        FUNC_CTX.put_l("memory_total", () -> Runtime.getRuntime().totalMemory() / 1024 / 1024);
+        FUNC_CTX.put_l("memory_max", () -> Runtime.getRuntime().maxMemory() / 1024 / 1024);
+        FUNC_CTX.put_l("memory_free", () -> Runtime.getRuntime().freeMemory() / 1024 / 1024);
+        FUNC_CTX.put_l("memory_used", () -> {
+            return (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) / 1024 / 1024;
+        });
     }
 
     public static boolean load() throws InvalidExpressionException {

src/main/java/alexiil/mc/mod/load/render/FontRendererSeparate.java

@@ -26,6 +26,7 @@ public FontRendererSeparate(GameSettings settings, ResourceLocation location, Te
         super(settings, location, textureManagerIn, unicode);
 
         loadTex(location);
+        // TODO: Load unicode pages?
         // for (int i = 0; i < 256; i++) {
 
         // }

src/main/java/alexiil/mc/mod/load/render/MainSplashRenderer.java

@@ -74,20 +74,19 @@ public class MainSplashRenderer {
     private static volatile boolean finishedLoading = false;
 
     static {
-        lock = get(SplashProgress.class, "lock");
-        mutex = get(SplashProgress.class, "mutex");
+        lock = get(SplashProgress.class, "lock", Lock.class);
+        mutex = get(SplashProgress.class, "mutex", Semaphore.class);
     }
 
     public static long getTotalTime() {
         return diff;
     }
 
-    @SuppressWarnings("unchecked")
-    private static <T> T get(Class<?> cls, String name) {
+    private static <T> T get(Class<?> cls, String name, Class<T> type) {
         try {
             Field fld = cls.getDeclaredField(name);
             fld.setAccessible(true);
-            return (T) fld.get(null);
+            return type.cast(fld.get(null));
         } catch (Throwable t) {
             throw new Error(t);
         }
@@ -113,7 +112,7 @@ public static void finish() {
 
     // This is called instead of SplashProgress$3.run
     public static void run() {
-        fontRenderer = get(SplashProgress.class, "fontRenderer");
+        fontRenderer = get(SplashProgress.class, "fontRenderer", FontRenderer.class);
 
         boolean transitionOutDone = false;
         start = System.currentTimeMillis();
@@ -133,7 +132,7 @@ public static void run() {
             glLoadIdentity();
 
             diff = System.currentTimeMillis() - start;
-            if (diff < 3000 || !reachedConstruct) {
+            if (diff < 2500 || !reachedConstruct) {
                 renderMojangFrame();
             } else if (!finishedLoading) {
                 renderFrame();

src/main/resources/assets/customloadingscreen/sample/config/scrolling_detailed.json

@@ -0,0 +1,80 @@
+{
+    "renders": [
+        "sample/dirt_background",
+        "sample/text_percentage_scrolling",
+        {
+            "image": {
+                "parent": "sample/bottom_bar",
+                "colour": "0xFF_00_00_00",
+                "position": { "width": "screen_width" }
+            }
+        },
+        {
+            "image": {
+                "parent": "sample/bottom_bar",
+                "colour": "0xFF_11_44_CC"
+            }
+        },
+        {
+            "image": {
+                "parent": "builtin/text",
+                "image": "textures/font/ascii.png",
+                "position_type": "TOP_LEFT",
+                "offset_pos": "TOP_LEFT",
+                "text": "memory_used() + ' MiB / ' + memory_total() + ' MiB'",
+                "position": {
+                    "x": 10, "y": 10
+                }
+            }
+        },
+        {
+            "image": {
+                "parent": "builtin/text",
+                "image": "textures/font/ascii.png",
+                "position_type": "TOP_LEFT",
+                "offset_pos": "TOP_LEFT",
+                "text": "floor(time * 10) / 10.0 + 's'",
+                "position": {
+                    "x": 10, "y": 24
+                }
+            }
+        }
+    ],
+    "functions": [
+        
+    ],
+    "variables": {
+        "max_scroll_count": "screen_height / (2 * 16)",
+        "scroll_text": "status + (is_reloading ? '' : (' - ' + sub_status))"
+    },
+    "factories": [
+        {
+            "parent": "builtin/change",
+            "change": "scroll_text",
+            "variables": {
+                "factory_age" : "factory_count - factory_index"
+            },
+            "kept_variables": {
+                "factory_status": "scroll_text"
+            },
+            "to_create": {
+                "should_render": "factory_age < max_scroll_count",
+                "image": {
+                    "parent": "builtin/text",
+                    "image": "textures/font/ascii.png",
+                    "position_type": "BOTTOM_LEFT",
+                    "offset_pos": "BOTTOM_LEFT",
+                    "text": "factory_status + (factory_age == 1 ? ( is_reloading ? ' - ' + sub_status : '') : '')",
+                    "position": {
+                        "x": "30",
+                        "y": "(factory_index - factory_count) * 16 - 4"
+                      },
+                      "colour": "0xFF_00_00_00 | (0x01_01_01 * (0xFF - 0xFF * factory_age / max_scroll_count).max(0x20))"
+                }
+            }
+        }
+    ],
+    "actions": [
+        
+    ]
+}