RenderGlobalMod(Mod mod) {
super(mod);
final FieldRef clouds;
final FieldRef mc = new FieldRef(getDeobfClass(), "mc", "LMinecraft;");
final FieldRef gameSettings = new FieldRef("Minecraft", "gameSettings", "LGameSettings;");
final JavaRef fancyGraphics;
final int fancyGraphicsOp;
final String fancyGraphicsIf;
final MethodRef drawFancyClouds;
if (getMinecraftVersion().compareTo("1.8.1-pre4") < 0) {
fancyGraphics = new FieldRef("GameSettings", "fancyGraphics", "Z");
fancyGraphicsOp = GETFIELD;
fancyGraphicsIf = buildExpression(IFEQ, any(2));
drawFancyClouds =
new MethodRef(MCPatcherUtils.COLORIZE_WORLD_CLASS, "drawFancyClouds", "(Z)Z");
} else {
fancyGraphics = new MethodRef("GameSettings", "fancyGraphics", "()I");
fancyGraphicsOp = INVOKEVIRTUAL;
fancyGraphicsIf = buildExpression(ICONST_2, IF_ICMPNE_or_IF_ICMPEQ, any(2));
drawFancyClouds =
new MethodRef(MCPatcherUtils.COLORIZE_WORLD_CLASS, "drawFancyClouds", "(I)I");
}
final boolean intParam = getMinecraftVersion().compareTo("14w25a") >= 0;
final MethodRef renderClouds =
new MethodRef(getDeobfClass(), "renderClouds", "(F" + (intParam ? "I" : "") + ")V");
final MethodRef renderCloudsFancy =
new MethodRef(getDeobfClass(), "renderCloudsFancy", renderClouds.getType());
final FieldRef endSkyColor =
new FieldRef(MCPatcherUtils.COLORIZE_WORLD_CLASS, "endSkyColor", "I");
RenderUtilsMod.setup(this);
if (ResourceLocationMod.haveClass()) {
clouds = new FieldRef(getDeobfClass(), "clouds", "LResourceLocation;");
addClassSignature(
new ResourceLocationSignature(this, clouds, "textures/environment/clouds.png"));
} else {
addClassSignature(new ConstSignature("/environment/clouds.png"));
clouds = null;
}
addClassSignature(
new BytecodeSignature() {
{
setMethod(renderClouds);
addXref(1, mc);
addXref(2, gameSettings);
addXref(3, fancyGraphics);
addXref(4, renderCloudsFancy);
if (clouds != null) {
addXref(5, clouds);
}
}
@Override
public String getMatchExpression() {
return buildExpression(
// 1.8.1-pre4+: if (mc.gameSettings.fancyGraphics() == 2) {
// earlier: if (mc.gameSettings.fancyGraphics) {
ALOAD_0,
captureReference(GETFIELD),
captureReference(GETFIELD),
captureReference(fancyGraphicsOp),
fancyGraphicsIf,
// this.renderCloudsFancy(...);
ALOAD_0,
FLOAD_1,
intParam ? build(ILOAD_2) : "",
captureReference(INVOKESPECIAL, INVOKEVIRTUAL),
or(build(GOTO, any(2)), build(RETURN)),
// ...
any(0, 150),
// ...(RenderGlobal.clouds);
// ...("/environment/clouds.png");
clouds == null ? push("/environment/clouds.png") : captureReference(GETSTATIC));
}
});
addPatch(
new BytecodePatch() {
@Override
public String getDescription() {
return "override cloud type";
}
@Override
public String getMatchExpression() {
return buildExpression(
capture(
build(
ALOAD_0,
reference(GETFIELD, mc),
reference(GETFIELD, gameSettings),
reference(fancyGraphicsOp, fancyGraphics))),
capture(fancyGraphicsIf));
}
@Override
public byte[] getReplacementBytes() {
return buildCode(
getCaptureGroup(1), reference(INVOKESTATIC, drawFancyClouds), getCaptureGroup(2));
}
}.targetMethod(renderClouds));
if (TessellatorMod.haveVertexFormatClass()) {
addPatch(
new BytecodePatch() {
@Override
public String getDescription() {
return "override end sky color";
}
@Override
public String getMatchExpression() {
return buildExpression(
// 40, 40, 40, 255
push(40), push(40), push(40), push(255));
}
@Override
public byte[] getReplacementBytes() {
return buildCode(
// (ColorizeWorld.endSkyColor >> 16) & 0xff
reference(GETSTATIC, endSkyColor),
push(16),
ISHR,
push(0xff),
IAND,
// (ColorizeWorld.endSkyColor >> 8) & 0xff
reference(GETSTATIC, endSkyColor),
push(8),
ISHR,
push(0xff),
IAND,
// ColorizeWorld.endSkyColor & 0xff
reference(GETSTATIC, endSkyColor),
push(0xff),
IAND,
// 255
push(255));
}
});
} else {
addPatch(
new BytecodePatch() {
@Override
public String getDescription() {
return "override end sky color";
}
@Override
public String getMatchExpression() {
return buildExpression(
or(
build(push(0x181818)), // pre-12w23a
build(push(0x282828)) // 12w23a+
));
}
@Override
public byte[] getReplacementBytes() {
return buildCode(reference(GETSTATIC, endSkyColor));
}
});
}
}
