Warn if incompatibilities are detected

4 files changed, 79 insertions, 1 deletions

diff --git a/src/main/java/makamys/neodymium/Compat.java b/src/main/java/makamys/neodymium/Compat.java
index 7410928..92bc190 100644
--- a/src/main/java/makamys/neodymium/Compat.java
+++ b/src/main/java/makamys/neodymium/Compat.java
@@ -1,7 +1,15 @@
 package makamys.neodymium;
 
+import static makamys.neodymium.Neodymium.LOGGER;
+
+import java.util.List;
+
+import org.lwjgl.opengl.GLContext;
+
 import com.falsepattern.triangulator.api.ToggleableTessellator;
 import cpw.mods.fml.common.Loader;
+import makamys.neodymium.util.OFUtil;
+import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.Tessellator;
 
 public class Compat {
@@ -14,4 +22,33 @@ public class Compat {
     private static void disableTriangulator() {
         ((ToggleableTessellator)Tessellator.instance).disableTriangulator();
     }
+    
+    public static void getCompatibilityWarnings(List<String> warns, List<String> criticalWarns){
+        if(Minecraft.getMinecraft().gameSettings.advancedOpengl) {
+            warns.add("Advanced OpenGL is enabled, performance may be poor.");
+        }
+        
+        if(Loader.isModLoaded("FastCraft") && !OFUtil.isOptiFinePresent()) {
+            criticalWarns.add("FastCraft is present without OptiFine, this is not supported.");
+        }
+        
+        try {
+            Class<?> shaders = Class.forName("shadersmod.client.Shaders");
+            try {
+                String shaderPack = (String)shaders.getMethod("getShaderPackName").invoke(null);
+                if(shaderPack != null) {
+                    criticalWarns.add("A shader pack is enabled, this is not supported.");
+                }
+            } catch(Exception e) {
+                LOGGER.warn("Failed to get shader pack name");
+                e.printStackTrace();
+            }
+        } catch (ClassNotFoundException e) {
+            
+        }
+        
+        if(!GLContext.getCapabilities().OpenGL33) {
+            criticalWarns.add("OpenGL 3.3 is not supported.");
+        }
+    }
 }
diff --git a/src/main/java/makamys/neodymium/Config.java b/src/main/java/makamys/neodymium/Config.java
index 4237099..86aade3 100644
--- a/src/main/java/makamys/neodymium/Config.java
+++ b/src/main/java/makamys/neodymium/Config.java
@@ -57,6 +57,8 @@ public class Config {
     
     @ConfigBoolean(cat="misc", def=true, com="Replace splash that says 'OpenGL 1.2!' with 'OpenGL 3.3!'. Just for fun.")
     public static boolean replaceOpenGLSplash;
+    @ConfigBoolean(cat="misc", def=false, com="Don't warn about incompatibilities in chat, and activate renderer even in spite of critical ones.")
+    public static boolean ignoreIncompatibilities;
     
     @ConfigInt(cat="debug", def=-1, min=-1, max=Integer.MAX_VALUE)
     public static int maxMeshesPerFrame;
diff --git a/src/main/java/makamys/neodymium/Neodymium.java b/src/main/java/makamys/neodymium/Neodymium.java
index ba79e1c..fc036a5 100644
--- a/src/main/java/makamys/neodymium/Neodymium.java
+++ b/src/main/java/makamys/neodymium/Neodymium.java
@@ -2,6 +2,9 @@ package makamys.neodymium;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import cpw.mods.fml.common.FMLCommonHandler;
@@ -18,6 +21,7 @@ import cpw.mods.fml.relauncher.SideOnly;
 import makamys.mclib.core.MCLib;
 import makamys.mclib.core.MCLibModules;
 import makamys.neodymium.renderer.NeoRenderer;
+import makamys.neodymium.util.ChatUtil;
 import makamys.neodymium.util.OFUtil;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.FontRenderer;
@@ -68,6 +72,7 @@ public class Neodymium
     public void onServerAboutToStart(FMLServerAboutToStartEvent event)
     {
         Config.reloadConfig();
+        ChatUtil.resetShownChatMessages();
     }
     
     private void onPlayerWorldChanged(World newWorld) {
@@ -79,7 +84,35 @@ public class Neodymium
             renderer = null;
         }
     	if(Config.enabled && newWorld != null) {
-            renderer = new NeoRenderer(newWorld);
+    	    List<String> warns = new ArrayList<>();
+    	    List<String> criticalWarns = new ArrayList<>();
+    	    
+    	    Compat.getCompatibilityWarnings(warns, criticalWarns);
+    	    
+    	    if(!criticalWarns.isEmpty()) {
+    	        criticalWarns.add("Neodymium has been disabled due to a critical incompatibility.");
+    	    }
+    	    
+    	    if(!Config.ignoreIncompatibilities) {
+        	    for(String warn : warns) {
+        	        ChatUtil.showNeoChatMessage(warn, ChatUtil.MessageVerbosity.WARNING, true);
+        	    }
+        	    for(String fatalWarn : criticalWarns) {
+                    ChatUtil.showNeoChatMessage(fatalWarn, ChatUtil.MessageVerbosity.ERROR, true);
+                }
+    	    }
+    	    
+    	    for(String warn : warns) {
+                LOGGER.warn(warn);
+            }
+            for(String criticalWarn : criticalWarns) {
+                LOGGER.warn("Critical: " + criticalWarn);
+            }
+            
+    	    if(criticalWarns.isEmpty() || Config.ignoreIncompatibilities) {
+    	        renderer = new NeoRenderer(newWorld);
+    	        renderer.hasIncompatibilities = !warns.isEmpty() || !criticalWarns.isEmpty();
+    	    }
         }
     }
     
diff --git a/src/main/java/makamys/neodymium/renderer/NeoRenderer.java b/src/main/java/makamys/neodymium/renderer/NeoRenderer.java
index 048b9a2..e669ff9 100644
--- a/src/main/java/makamys/neodymium/renderer/NeoRenderer.java
+++ b/src/main/java/makamys/neodymium/renderer/NeoRenderer.java
@@ -56,6 +56,7 @@ public class NeoRenderer {
     private boolean showMemoryDebugger;
     
     public boolean forceRenderFog;
+    public boolean hasIncompatibilities;
     
     private static int MAX_MESHES = 100000;
     
@@ -596,6 +597,11 @@ public class NeoRenderer {
                 EnumChatFormatting.YELLOW + "(!) Renderer speedup active"
             ));
         }
+        if(hasIncompatibilities) {
+            text.addAll(Arrays.asList(
+                EnumChatFormatting.YELLOW + "(!) Incompatibilities"
+            ));
+        }
         return text;
     }