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package makamys.neodymium;
import com.falsepattern.triangulator.api.ToggleableTessellator;
import cpw.mods.fml.common.Loader;
import makamys.neodymium.config.Config;
import makamys.neodymium.util.virtualjar.IVirtualJar;
import makamys.neodymium.util.virtualjar.VirtualJar;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.settings.GameSettings;
import org.lwjgl.opengl.GLContext;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.List;
import static makamys.neodymium.Constants.LOGGER;
public class Compat {
private static boolean isGL33Supported;
private static boolean wasAdvancedOpenGLEnabled;
private static int notEnoughVRAMAmountMB = -1;
private static boolean IS_RPLE_PRESENT;
private static boolean IS_FALSE_TWEAKS_PRESENT;
private static boolean isShadersEnabled;
public static void init() {
isGL33Supported = GLContext.getCapabilities().OpenGL33;
if (Loader.isModLoaded("triangulator")) {
disableTriangulator();
}
if (Loader.isModLoaded("rple")) {
IS_RPLE_PRESENT = true;
}
if (Loader.isModLoaded("falsetweaks")) {
IS_FALSE_TWEAKS_PRESENT = true;
}
}
public static boolean isRPLEModPresent() {
return IS_RPLE_PRESENT;
}
public static boolean isFalseTweaksModPresent() {
return IS_FALSE_TWEAKS_PRESENT;
}
public static boolean isOptiFineShadersEnabled() {
return isShadersEnabled;
}
public static void updateOptiFineShadersState() {
try {
Class<?> shaders = Class.forName("shadersmod.client.Shaders");
try {
String shaderPack = (String)shaders.getMethod("getShaderPackName").invoke(null);
if(shaderPack != null) {
isShadersEnabled = true;
return;
}
} catch(Exception e) {
LOGGER.warn("Failed to get shader pack name");
e.printStackTrace();
}
} catch (ClassNotFoundException e) {
}
isShadersEnabled = false;
}
private static void disableTriangulator() {
((ToggleableTessellator)Tessellator.instance).disableTriangulator();
}
public static void getCompatibilityWarnings(List<Warning> warns, List<Warning> criticalWarns, boolean statusCommand){
if(Minecraft.getMinecraft().gameSettings.advancedOpengl) {
warns.add(new Warning("Advanced OpenGL is enabled, performance may be poor." + (statusCommand ? " Click here to disable it." : "")).chatAction("neodymium disable_advanced_opengl"));
}
if(!isGL33Supported) {
criticalWarns.add(new Warning("OpenGL 3.3 is not supported."));
}
if(detectedNotEnoughVRAM()) {
criticalWarns.add(new Warning("Not enough VRAM"));
}
}
public static boolean hasChanged() {
boolean changed = false;
boolean advGL = Minecraft.getMinecraft().gameSettings.advancedOpengl;
if(advGL != wasAdvancedOpenGLEnabled) {
changed = true;
}
wasAdvancedOpenGLEnabled = advGL;
return changed;
}
public static void onNotEnoughVRAM(int amountMB) {
notEnoughVRAMAmountMB = amountMB;
}
public static void reset() {
notEnoughVRAMAmountMB = -1;
}
private static boolean detectedNotEnoughVRAM() {
return Config.VRAMSize == notEnoughVRAMAmountMB;
}
public static void forceEnableOptiFineDetectionOfFastCraft() {
if(Compat.class.getResource("/fastcraft/Tweaker.class") != null) {
// If OptiFine is present, it's already on the class path at this point, so our virtual jar won't override it.
LOGGER.info("FastCraft is present, applying hack to forcingly enable FastCraft's OptiFine compat");
VirtualJar.add(new OptiFineStubVirtualJar());
}
}
public static boolean disableAdvancedOpenGL() {
GameSettings gameSettings = Minecraft.getMinecraft().gameSettings;
if(gameSettings.advancedOpengl) {
gameSettings.advancedOpengl = false;
gameSettings.saveOptions();
return true;
}
return false;
}
private static class OptiFineStubVirtualJar implements IVirtualJar {
@Override
public String getName() {
return "optifine-stub";
}
@Override
public InputStream getInputStream(String path) {
if(path.equals("/optifine/OptiFineForgeTweaker.class")) {
// Dummy file to make FastCraft think OptiFine is present.
LOGGER.debug("Returning a dummy /optifine/OptiFineForgeTweaker.class to force FastCraft compat.");
return new ByteArrayInputStream(new byte[0]);
} else {
return null;
}
}
}
public static class Warning {
public String text;
public String chatAction;
public Warning(String text) {
this.text = text;
}
public Warning chatAction(String command) {
this.chatAction = command;
return this;
}
}
}
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