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Add interpolation and configuration for background gradient

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This commit is contained in:
tterrag1098
2017-05-24 20:52:22 -04:00
parent 8bd87e14c5
commit 7d29d64663
2 changed files with 51 additions and 5 deletions
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37
src/main/java/com/tterrag/blurbg/BlurBG.java
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@@ -20,6 +20,7 @@ import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.common.config.Configuration;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.Mod.EventHandler;
import net.minecraftforge.fml.common.Mod.Instance;
import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.common.gameevent.TickEvent.Phase;
@@ -29,12 +30,17 @@ import net.minecraftforge.fml.relauncher.ReflectionHelper;
@Mod(modid = "blurbg", name = "BlurBG", version = "@VERSION@", acceptedMinecraftVersions = "[1.9, 1.12)")
public class BlurBG {
@Instance
public static BlurBG instance;
private String[] blurExclusions;
private Field _listShaders;
private long start;
private int fadeTime;
private int colorFirst, colorSecond;
@EventHandler
public void preInit(FMLPreInitializationEvent event) {
MinecraftForge.EVENT_BUS.register(this);
@@ -47,6 +53,16 @@ public class BlurBG {
fadeTime = config.getInt("fadeTime", Configuration.CATEGORY_GENERAL, 300, 0, Integer.MAX_VALUE, "The time it takes for the blur to fade in, in ms.");
colorFirst = Integer.parseUnsignedInt(
config.getString("gradientStartColor", Configuration.CATEGORY_GENERAL, "66000000", "The start color of the background gradient. Given in ARGB hex."),
16
);
colorSecond = Integer.parseUnsignedInt(
config.getString("gradientEndColor", Configuration.CATEGORY_GENERAL, "66000000", "The end color of the background gradient. Given in ARGB hex."),
16
);
config.save();
}
@@ -67,6 +83,10 @@ public class BlurBG {
}
}
private float getProgress() {
return Math.min((System.currentTimeMillis() - start) / (float) fadeTime, 1);
}
@SuppressWarnings("null")
@SubscribeEvent
public void onRenderTick(RenderTickEvent event) {
@@ -78,7 +98,7 @@ public class BlurBG {
for (Shader s : shaders) {
ShaderUniform su = s.getShaderManager().getShaderUniform("Progress");
if (su != null) {
su.set(Math.min((System.currentTimeMillis() - start) / (float) fadeTime, 1));
su.set(getProgress());
}
}
} catch (IllegalArgumentException | IllegalAccessException e) {
@@ -86,5 +106,18 @@ public class BlurBG {
}
}
}
public static int getBackgroundColor(boolean second) {
int color = second ? instance.colorSecond : instance.colorFirst;
int a = color >> 24;
int r = (color >> 16) & 0xFF;
int b = (color >> 8) & 0xFF;
int g = color & 0xFF;
float prog = instance.getProgress();
a *= prog;
r *= prog;
g *= prog;
b *= prog;
return a << 24 | r << 16 | b << 8 | g;
}
}

19
src/main/java/com/tterrag/blurbg/BlurBGTransformer.java
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@@ -7,7 +7,8 @@ import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.AbstractInsnNode;
import org.objectweb.asm.tree.ClassNode;
import org.objectweb.asm.tree.LdcInsnNode;
import org.objectweb.asm.tree.InsnNode;
import org.objectweb.asm.tree.MethodInsnNode;
import org.objectweb.asm.tree.MethodNode;
import net.minecraft.launchwrapper.IClassTransformer;
@@ -18,6 +19,10 @@ public class BlurBGTransformer implements IClassTransformer {
private static final String DRAW_WORLD_BAGKGROUND_METHOD = "drawWorldBackground";
private static final String DRAW_WORLD_BAGKGROUND_METHOD_OBF = "func_146270_b";
private static final String BLUR_MAIN_CLASS = "com/tterrag/blurbg/BlurBG";
private static final String COLOR_HOOK_METHOD_NAME = "getBackgroundColor";
private static final String COLOR_HOOK_METHOD_DESC = "(Z)I";
@Override
public byte[] transform(String name, String transformedName, byte[] basicClass) {
@@ -44,9 +49,17 @@ public class BlurBGTransformer implements IClassTransformer {
// break;
// }
if (next.getOpcode() == Opcodes.LDC) {
// TODO make this configurable?
System.out.println("Modifying GUI background darkness... ");
((LdcInsnNode)next).cst = ((LdcInsnNode)next.getNext()).cst = 0x66000000;
AbstractInsnNode colorHook = new MethodInsnNode(Opcodes.INVOKESTATIC, BLUR_MAIN_CLASS, COLOR_HOOK_METHOD_NAME, COLOR_HOOK_METHOD_DESC, false);
AbstractInsnNode colorHook2 = colorHook.clone(null);
// Replace LDC with hooks
m.instructions.set(next, colorHook);
m.instructions.set(colorHook.getNext(), colorHook2);
// Load boolean constants for method param
m.instructions.insertBefore(colorHook, new InsnNode(Opcodes.ICONST_0));
m.instructions.insertBefore(colorHook2, new InsnNode(Opcodes.ICONST_1));
break;
}
}