public void MatchAssignment()
{
var ax = RegW("ax");
var pattern = m.Assign(ax, m.IAdd(ax, ExpressionMatcher.AnyConstant("c")));
var instrmatcher = new InstructionMatcher(pattern);
Assert.IsTrue(instrmatcher.Match(
m.Assign(ax, m.IAdd(ax, m.Word16(42)))));
Assert.AreEqual("0x002A", instrmatcher.CapturedExpressions("c").ToString());
}
public void MatchAssignment()
{
var ax = RegW("ax");
var pattern = m.Assign(ax, m.IAdd(ax, ExpressionMatcher.AnyConstant("c")));
var instrmatcher = new InstructionMatcher(pattern);
Assert.IsTrue(instrmatcher.Match(
m.Assign(ax, m.IAdd(ax, m.Word16(42)))));
Assert.AreEqual("0x002A", instrmatcher.CapturedExpressions("c").ToString());
}
// Support harvesting of spring onions with scythe
private void Crop_harvest_support_spring_onion(LocalBuilder var_vector)
{
if (config.HarvestMode.SpringOnion == HarvestModeEnum.HAND)
{
return;
}
// Note: the branch
// if (this.forageCrop)
// refers mainly to the crop spring union.
// Find the lines:
var AddItem = FindCode(
// if (Game1.player.addItemToInventoryBool (@object, false)) {
Instructions.Call_get(typeof(Game1), nameof(Game1.player)),
InstructionMatcher.AnyOf( // @object
OpCodes.Ldloc_0,
OpCodes.Ldloc_1
),
OpCodes.Ldc_I4_0,
Instructions.Callvirt(typeof(Farmer), nameof(Farmer.addItemToInventoryBool), typeof(Item), typeof(bool)),
OpCodes.Brfalse
);
var ldarg_0 = Instructions.Ldarg_0();
var Ldloc_object = AddItem[1];
var tail = AttachLabel(AddItem.FindNext(
OpCodes.Ldarg_0,
Instructions.Ldfld(typeof(Crop), nameof(Crop.regrowAfterHarvest))
)[0]);
// Insert check for harvesting with scythe and act accordingly.
AddItem.ReplaceJump(0, ldarg_0);
AddItem.Prepend(
// if (this.harvestMethod != 0) {
ldarg_0,
Instructions.Ldfld(typeof(Crop), nameof(Crop.harvestMethod)),
Instructions.Call_get(typeof(NetInt), nameof(NetInt.Value)),
Instructions.Brfalse(AttachLabel(AddItem[0])),
// Game1.createItemDebris (@object, vector, -1, null, -1)
Ldloc_object, // @object
Instructions.Ldloc_S(var_vector), // vector
Instructions.Ldc_I4_M1(), // -1
Instructions.Ldnull(), // null
Instructions.Ldc_I4_M1(), // -1
Instructions.Call(typeof(Game1), nameof(Game1.createItemDebris), typeof(Item), typeof(Vector2), typeof(int), typeof(GameLocation), typeof(int)),
Instructions.Pop(), // For SDV 1.4
// Jump to tail
Instructions.Br(tail)
);
}
static LongAddRewriter()
{
condm = new InstructionMatcher(
new Assignment(
ExpressionMatcher.AnyId("grf"),
new ConditionOf(
ExpressionMatcher.AnyExpression("exp"))));
addPattern = new InstructionMatcher(
new Assignment(
ExpressionMatcher.AnyId("dst"),
new BinaryExpression(
ExpressionMatcher.AnyOperator("op"),
VoidType.Instance,
ExpressionMatcher.AnyExpression("left"),
ExpressionMatcher.AnyExpression("right"))));
adcPattern = new InstructionMatcher(
new Assignment(
ExpressionMatcher.AnyId("dst"),
new BinaryExpression(
ExpressionMatcher.AnyOperator("op1"),
VoidType.Instance,
new BinaryExpression(
ExpressionMatcher.AnyOperator("op2"),
VoidType.Instance,
ExpressionMatcher.AnyExpression("left"),
ExpressionMatcher.AnyExpression("right")),
ExpressionMatcher.AnyExpression("cf"))));
memOffset = new ExpressionMatcher(
new MemoryAccess(
new BinaryExpression(
ExpressionMatcher.AnyOperator("op"),
VoidType.Instance,
ExpressionMatcher.AnyExpression("base"),
ExpressionMatcher.AnyConstant("offset")),
ExpressionMatcher.AnyDataType("dt")));
segMemOffset = new ExpressionMatcher(
new SegmentedAccess(
null,
ExpressionMatcher.AnyId(),
new BinaryExpression(
ExpressionMatcher.AnyOperator("op"),
VoidType.Instance,
ExpressionMatcher.AnyExpression("base"),
ExpressionMatcher.AnyConstant("offset")),
ExpressionMatcher.AnyDataType("dt")));
}
static LongAddRewriter()
{
condm = new InstructionMatcher(
new Assignment(
ExpressionMatcher.AnyId("grf"),
new ConditionOf(
ExpressionMatcher.AnyExpression("exp"))));
addPattern = new InstructionMatcher(
new Assignment(
ExpressionMatcher.AnyId("dst"),
new BinaryExpression(
ExpressionMatcher.AnyOperator("op"),
VoidType.Instance,
ExpressionMatcher.AnyExpression("left"),
ExpressionMatcher.AnyExpression("right"))));
adcPattern = new InstructionMatcher(
new Assignment(
ExpressionMatcher.AnyId("dst"),
new BinaryExpression(
ExpressionMatcher.AnyOperator("op1"),
VoidType.Instance,
new BinaryExpression(
ExpressionMatcher.AnyOperator("op2"),
VoidType.Instance,
ExpressionMatcher.AnyExpression("left"),
ExpressionMatcher.AnyExpression("right")),
ExpressionMatcher.AnyExpression("cf"))));
memOffset = new ExpressionMatcher(
new MemoryAccess(
new BinaryExpression(
ExpressionMatcher.AnyOperator("op"),
VoidType.Instance,
ExpressionMatcher.AnyExpression("base"),
ExpressionMatcher.AnyConstant("offset")),
ExpressionMatcher.AnyDataType("dt")));
segMemOffset = new ExpressionMatcher(
new SegmentedAccess(
null,
ExpressionMatcher.AnyId(),
new BinaryExpression(
ExpressionMatcher.AnyOperator("op"),
VoidType.Instance,
ExpressionMatcher.AnyExpression("base"),
ExpressionMatcher.AnyConstant("offset")),
ExpressionMatcher.AnyDataType("dt")));
}
// Change the behavior of the grass growth & spreading.
void GameLocation_growWeedGrass()
{
// Stop grass from growing & spreading.
if (config.DisableGrowth)
{
AllCode().Replace(
Instructions.Ret()
);
return;
}
// Change grass growth to spread mostly everywhere.
if (config.GrowEverywhere)
{
var growWeedGrass = BeginCode();
// For each of the 4 directions
for (int i = 0; i < 4; i++)
{
growWeedGrass = growWeedGrass.FindNext(
OpCodes.Ldarg_0,
null,
null,
null,
null,
Instructions.Ldstr("Diggable"),
Instructions.Ldstr("Back"),
InstructionMatcher.AnyOf(
Instructions.Call(typeof(GameLocation), nameof(GameLocation.doesTileHaveProperty), typeof(int), typeof(int), typeof(string), typeof(string)),
Instructions.Callvirt(typeof(GameLocation), nameof(GameLocation.doesTileHaveProperty), typeof(int), typeof(int), typeof(string), typeof(string))
),
OpCodes.Brfalse
);
growWeedGrass.Remove();
}
}
// Growth chance
if (Math.Abs(config.GrowthChance - 0.65) < 1e-6)
{
FindCode(
Instructions.Ldc_R8(0.65),
OpCodes.Bge_Un,
OpCodes.Ldloca_S
)[0].operand = config.GrowthChance;
}
// Spread
if (Math.Abs(config.SpreadChance - 0.25) < 1e-6)
{
var spreadGrass = BeginCode();
// For each of the 4 directions
for (int i = 0; i < 4; i++)
{
spreadGrass = spreadGrass.FindNext(
Instructions.Ldc_R8(0.25),
OpCodes.Bge_Un,
OpCodes.Ldarg_0
);
spreadGrass[0].operand = config.SpreadChance;
}
}
}
// Support harvesting of spring onions with scythe
private void Crop_harvest_support_spring_onion(LocalBuilder var_vector)
{
if (config.HarvestMode.SpringOnion == HarvestModeEnum.HAND)
{
return;
}
// Note: the branch
// if (this.forageCrop)
// refers mainly to the crop spring union.
InstructionMatcher addItemToInventoryBool = Instructions.Callvirt(typeof(Farmer), nameof(Farmer.addItemToInventoryBool), typeof(Item), typeof(bool));
if (helper.ModRegistry.IsLoaded("spacechase0.MoreRings"))
{
try {
addItemToInventoryBool = InstructionMatcher.AnyOf(
addItemToInventoryBool,
Instructions.Callvirt(AccessTools.TypeByName("MoreRings.Patches.CropPatcher"), "Farmer_AddItemToInventoryBool", typeof(Farmer), typeof(Item), typeof(bool))
);
} catch (Exception e) {
Monitor.Log("The More Rings mod was loaded, but MoreRings.Patches.CropPatcher.Farmer_AddItemToInventoryBool(...) was not found.");
LogException(e, LogLevel.Warn);
}
}
// Find the lines:
InstructionRange AddItem;
AddItem = FindCode(
// if (Game1.player.addItemToInventoryBool (@object, false)) {
Instructions.Call_get(typeof(Game1), nameof(Game1.player)),
InstructionMatcher.AnyOf( // @object
OpCodes.Ldloc_0,
OpCodes.Ldloc_1
),
OpCodes.Ldc_I4_0,
addItemToInventoryBool,
OpCodes.Brfalse
);
var ldarg_0 = Instructions.Ldarg_0();
var Ldloc_object = AddItem[1];
var tail = AttachLabel(AddItem.FindNext(
OpCodes.Ldarg_0,
Instructions.Ldfld(typeof(Crop), nameof(Crop.regrowAfterHarvest))
)[0]);
// Insert check for harvesting with scythe and act accordingly.
AddItem.ReplaceJump(0, ldarg_0);
AddItem.Prepend(
// if (this.harvestMethod != 0) {
ldarg_0,
Instructions.Ldfld(typeof(Crop), nameof(Crop.harvestMethod)),
Instructions.Call_get(typeof(NetInt), nameof(NetInt.Value)),
Instructions.Brfalse(AttachLabel(AddItem[0])),
// Game1.createItemDebris (@object, vector, -1, null, -1)
Ldloc_object, // @object
Instructions.Ldloc_S(var_vector), // vector
Instructions.Ldc_I4_M1(), // -1
Instructions.Ldnull(), // null
Instructions.Ldc_I4_M1(), // -1
Instructions.Call(typeof(Game1), nameof(Game1.createItemDebris), typeof(Item), typeof(Vector2), typeof(int), typeof(GameLocation), typeof(int)),
Instructions.Pop(), // For SDV 1.4
// Jump to tail
Instructions.Br(tail)
);
}
