private void HoeDirt_performUseAction_hand(LocalBuilder var_temp_harvestMethod)
{
// Do plucking logic
var harvest_hand = FindCode(
// if ((int)crop.harvestMethod == 0) {
OpCodes.Ldarg_0,
Instructions.Call_get(typeof(HoeDirt), nameof(HoeDirt.crop)),
Instructions.Ldfld(typeof(Crop), nameof(Crop.harvestMethod)),
OpCodes.Call, // NetCode implicit cast.
OpCodes.Brtrue
);
harvest_hand.Replace(
// var temp_harvestmethod = crop.harvestMethod;
harvest_hand[0],
harvest_hand[1],
harvest_hand[2],
harvest_hand[3],
Instructions.Stloc_S(var_temp_harvestMethod),
// if (ModEntry.CanHarvestCrop(crop, 0)) {
Instructions.Ldarg_0(),
harvest_hand[1],
Instructions.Ldc_I4_0(),
Instructions.Call(typeof(ModEntry), nameof(CanHarvestCrop), typeof(Crop), typeof(int)),
Instructions.Brfalse((Label)harvest_hand[4].operand),
// crop.harvestMethod = 0;
Instructions.Ldarg_0(),
harvest_hand[1],
harvest_hand[2],
Instructions.Ldc_I4_0(),
Instructions.Call_set(typeof(NetInt), nameof(NetInt.Value))
);
}
private void HoeDirt_performUseAction_scythe(LocalBuilder var_temp_harvestMethod)
{
// Do scything logic
var harvest_scythe = FindCode(
// if ((int)crop.harvestMethod == 1) {
OpCodes.Ldarg_0,
Instructions.Call_get(typeof(HoeDirt), nameof(HoeDirt.crop)),
Instructions.Ldfld(typeof(Crop), nameof(Crop.harvestMethod)),
OpCodes.Call, // NetCode implicit cast.
OpCodes.Ldc_I4_1,
OpCodes.Bne_Un
);
harvest_scythe.Replace(
// crop.harvestMethod = temp_harvestmethod;
harvest_scythe[0],
harvest_scythe[1],
harvest_scythe[2],
Instructions.Ldloc_S(var_temp_harvestMethod),
Instructions.Call_set(typeof(NetInt), nameof(NetInt.Value)),
// if (ModEntry.CanHarvestCrop(crop, 1)) {
Instructions.Ldarg_0(),
harvest_scythe[1],
Instructions.Ldc_I4_1(),
Instructions.Call(typeof(ModEntry), nameof(CanHarvestCrop), typeof(Crop), typeof(int)),
Instructions.Brfalse((Label)harvest_scythe[5].operand)
);
}
void Object_performToolAction()
{
var code = BeginCode();
Label begin = AttachLabel(code[0]);
code.Prepend(
// Check if Tool is scythe.
Instructions.Ldarg_1(),
Instructions.Isinst(typeof(MeleeWeapon)),
Instructions.Brfalse(begin),
Instructions.Ldarg_1(),
Instructions.Isinst(typeof(MeleeWeapon)),
Instructions.Ldc_I4_M1(),
Instructions.Callvirt(typeof(MeleeWeapon), nameof(MeleeWeapon.isScythe), typeof(int)),
Instructions.Brfalse(begin),
// Hook
Instructions.Ldarg_0(),
Instructions.Ldarg_1(),
Instructions.Ldarg_2(),
Instructions.Call(typeof(ModEntry), nameof(ScytheForage), typeof(StardewValley.Object), typeof(Tool), typeof(GameLocation)),
Instructions.Brfalse(begin),
Instructions.Ldc_I4_1(),
Instructions.Ret()
);
}
void Object_performToolAction()
{
var code = BeginCode();
Label begin = AttachLabel(code[0]);
code.Prepend(
// Check if Tool is scythe.
Instructions.Ldarg_1(),
Instructions.Isinst(typeof(StardewValley.Tools.MeleeWeapon)),
Instructions.Brfalse(begin),
Instructions.Ldarg_1(),
Instructions.Isinst(typeof(StardewValley.Tools.MeleeWeapon)),
Instructions.Callvirt_get(typeof(StardewValley.Tool), "BaseName"),
Instructions.Ldstr("Scythe"),
Instructions.Callvirt(typeof(System.String), "Equals", typeof(string)),
Instructions.Brfalse(begin),
// Hook
Instructions.Ldarg_0(),
Instructions.Ldarg_1(),
Instructions.Ldarg_2(),
Instructions.Call(typeof(ModEntry), "ScytheForage", typeof(StardewValley.Object), typeof(StardewValley.Tool), typeof(StardewValley.GameLocation)),
Instructions.Brfalse(begin),
Instructions.Ldc_I4_1(),
Instructions.Ret()
);
}
void InventoryPage_performHoverAction()
{
// Change code responsible for obtaining the tooltip information.
var var_item = generator.DeclareLocal(typeof(Item));
InstructionRange code;
try {
code = FindCode(
OpCodes.Ldloc_1,
Instructions.Ldfld(typeof(ClickableComponent), nameof(ClickableComponent.name)),
OpCodes.Stloc_2,
OpCodes.Ldloc_2,
Instructions.Ldstr("Hat")
);
} catch (System.Exception err) {
LogException(err, LogLevel.Trace);
code = FindCode(
OpCodes.Ldloc_0,
Instructions.Ldfld(typeof(ClickableComponent), nameof(ClickableComponent.name)),
OpCodes.Stloc_2,
OpCodes.Ldloc_2,
OpCodes.Brfalse,
OpCodes.Ldloc_2,
Instructions.Ldstr("Hat")
);
}
code.Extend(
OpCodes.Ldarg_0,
Instructions.Call_get(typeof(Game1), nameof(Game1.player)),
Instructions.Ldfld(typeof(Farmer), nameof(Farmer.boots)),
OpCodes.Callvirt,
Instructions.Callvirt_get(typeof(Item), nameof(Item.DisplayName)),
Instructions.Stfld(typeof(InventoryPage), "hoverTitle")
);
code.Replace(
// var item = EquipmentIcon.item
code[0],
Instructions.Ldfld(typeof(ClickableComponent), nameof(ClickableComponent.item)),
Instructions.Stloc_S(var_item),
// if (item != null)
Instructions.Ldloc_S(var_item),
Instructions.Brfalse(AttachLabel(code.End[0])),
// hoveredItem = item;
Instructions.Ldarg_0(),
Instructions.Ldloc_S(var_item),
Instructions.Stfld(typeof(InventoryPage), "hoveredItem"),
// hoverText = item.getDescription();
Instructions.Ldarg_0(),
Instructions.Ldloc_S(var_item),
Instructions.Callvirt(typeof(Item), nameof(Item.getDescription)),
Instructions.Stfld(typeof(InventoryPage), "hoverText"),
// hoverTitle = item.DisplayName;
Instructions.Ldarg_0(),
Instructions.Ldloc_S(var_item),
Instructions.Callvirt_get(typeof(Item), nameof(Item.DisplayName)),
Instructions.Stfld(typeof(InventoryPage), "hoverTitle")
);
}
void HoeDirt_performToolAction()
{
// Find the first (and only) harvestMethod==1 check.
var HarvestMethodCheck = FindCode(
OpCodes.Ldarg_0,
Instructions.Call_get(typeof(HoeDirt), nameof(HoeDirt.crop)),
Instructions.Ldfld(typeof(Crop), nameof(Crop.harvestMethod)),
OpCodes.Call, // Netcode implicit conversion
OpCodes.Ldc_I4_1,
OpCodes.Bne_Un
);
// Change the harvestMethod==1 check to:
// damage=harvestMethod;
// if (CanHarvestCrop(crop, 1)) {
// harvestMethod=1
// This code block is followed by a call to crop.harvest().
HarvestMethodCheck.Replace(
// damage = crop.harvestMethod.
HarvestMethodCheck[0],
HarvestMethodCheck[1],
HarvestMethodCheck[2],
HarvestMethodCheck[3],
Instructions.Starg_S(2), // damage
// if (CanHarvestCrop(crop, 1)) {
HarvestMethodCheck[0],
HarvestMethodCheck[1],
Instructions.Ldc_I4_1(),
Instructions.Call(typeof(ModEntry), nameof(CanHarvestCrop), typeof(Crop), typeof(int)),
Instructions.Brfalse((Label)HarvestMethodCheck[5].operand),
// crop.harvestMethod = 1
HarvestMethodCheck[0],
HarvestMethodCheck[1],
HarvestMethodCheck[2],
Instructions.Ldc_I4_1(),
Instructions.Call_set(typeof(NetInt), nameof(NetInt.Value))
);
// Restore harvestMethod by setting harvestMethod=damage
// after the following crop!=null check.
HarvestMethodCheck.FindNext(
OpCodes.Ldarg_0,
Instructions.Call_get(typeof(HoeDirt), nameof(HoeDirt.crop)),
Instructions.Ldfld(typeof(Crop), nameof(Crop.dead)),
OpCodes.Call, // Netcode
OpCodes.Brfalse
).Prepend(
HarvestMethodCheck[0],
HarvestMethodCheck[1],
HarvestMethodCheck[2],
Instructions.Ldarg_2(), // damage
Instructions.Call_set(typeof(NetInt), nameof(NetInt.Value))
);
}
// Change the behavior of the grass growth & spreading.
void GameLocation_growWeedGrass()
{
// Stop grass from growing & spreading.
AllCode().Prepend(
Instructions.Call(GetType(), nameof(getDisableGrowth)),
Instructions.Brfalse(AttachLabel(AllCode()[0])),
Instructions.Ret()
);
// Change grass growth to spread mostly everywhere.
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"),
Instructions.Call(typeof(GameLocation), nameof(GameLocation.doesTileHaveProperty), typeof(int), typeof(int), typeof(string), typeof(string)),
OpCodes.Brfalse
);
growWeedGrass.Prepend(
Instructions.Call(GetType(), nameof(getGrowEverywhere)),
Instructions.Brtrue(AttachLabel(growWeedGrass.End[0]))
);
}
// Growth chance
FindCode(
Instructions.Ldc_R8(0.65),
OpCodes.Bge_Un,
OpCodes.Ldloca_S
)[0] = Instructions.Call(GetType(), nameof(getGrowthChance));
// Spread
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] = Instructions.Call(GetType(), nameof(getSpreadChance));
}
}
private void HoeDirt_performUseAction_scythe(LocalBuilder var_temp_harvestMethod)
{
// Do scything logic
var harvest_scythe = FindCode(
// if ((int)crop.harvestMethod == 1) {
OpCodes.Ldarg_0,
HoeDirt_crop,
Instructions.Ldfld(typeof(Crop), nameof(Crop.harvestMethod)),
OpCodes.Call, // NetCode implicit cast.
OpCodes.Ldc_I4_1,
OpCodes.Bne_Un
);
harvest_scythe.Replace(
// crop.harvestMethod = temp_harvestmethod;
harvest_scythe[0],
harvest_scythe[1],
harvest_scythe[2],
Instructions.Ldloc_S(var_temp_harvestMethod),
Instructions.Call_set(typeof(NetInt), nameof(NetInt.Value)),
// if (ModEntry.CanHarvestCrop(crop, 1)) {
Instructions.Ldarg_0(),
harvest_scythe[1],
Instructions.Ldc_I4_1(),
Instructions.Call(typeof(ModEntry), nameof(CanHarvestCrop), typeof(Crop), typeof(int)),
Instructions.Brfalse((Label)harvest_scythe[5].operand)
);
harvest_scythe = harvest_scythe.FindNext(
// Game1.player.CurrentTool is MeleeWeapon &&
Instructions.Call_get(typeof(Game1), nameof(Game1.player)),
Instructions.Callvirt_get(typeof(Farmer), nameof(Farmer.CurrentTool)),
Instructions.Isinst(typeof(MeleeWeapon)),
OpCodes.Brfalse,
// (Game1.player.CurrentTool as MeleeWeapon).isScythe()
Instructions.Call_get(typeof(Game1), nameof(Game1.player)),
Instructions.Callvirt_get(typeof(Farmer), nameof(Farmer.CurrentTool)),
Instructions.Isinst(typeof(MeleeWeapon)),
OpCodes.Ldc_I4_M1,
Instructions.Callvirt(typeof(MeleeWeapon), nameof(MeleeWeapon.isScythe), typeof(int)),
OpCodes.Brfalse
);
harvest_scythe.Replace(
harvest_scythe[0],
harvest_scythe[1],
Instructions.Call(GetType(), nameof(IsScythe), typeof(Tool)),
harvest_scythe[3]
);
}
void HoeDirt_performUseAction()
{
var harvest_hand = FindCode(
OpCodes.Ldarg_0,
OpCodes.Call,
OpCodes.Ldfld,
OpCodes.Call,
OpCodes.Brtrue
);
// Logic here depends on whether flowers can be harvested by scythe.
if (config.ScytheHarvestFlowers)
{
// Entirely remove logic related to harvesting by hand.
harvest_hand.Extend(
OpCodes.Ldarg_0,
OpCodes.Call,
OpCodes.Ldfld,
OpCodes.Call,
OpCodes.Ldc_I4_1,
OpCodes.Bne_Un
);
harvest_hand.Remove();
}
else
{
// Only allow harvesting by hand for flowers. Otherwise those would not be harvestable.
harvest_hand.Replace(
harvest_hand[0],
harvest_hand[1],
Instructions.Ldfld(typeof(Crop), nameof(Crop.programColored)),
Instructions.Call_get(typeof(NetBool), nameof(NetBool.Value)),
Instructions.Brfalse((Label)harvest_hand[4].operand)
);
var harvest_scythe = FindCode(
OpCodes.Ldarg_0,
OpCodes.Call,
OpCodes.Ldfld,
OpCodes.Call,
OpCodes.Ldc_I4_1,
OpCodes.Bne_Un
);
harvest_scythe.Replace(
harvest_scythe[0],
harvest_scythe[1],
Instructions.Ldfld(typeof(Crop), nameof(Crop.programColored)),
Instructions.Call_get(typeof(NetBool), nameof(NetBool.Value)),
Instructions.Brtrue((Label)harvest_scythe[5].operand)
);
}
}
// 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)
);
}
void Object_performToolAction()
{
var code = BeginCode();
Label begin = AttachLabel(code[0]);
code.Prepend(
// Hook
Instructions.Ldarg_0(),
Instructions.Ldarg_1(),
Instructions.Ldarg_2(),
Instructions.Call(typeof(ModEntry), nameof(ScytheForage), typeof(StardewValley.Object), typeof(Tool), typeof(GameLocation)),
Instructions.Brfalse(begin),
Instructions.Ldc_I4_1(),
Instructions.Ret()
);
}
void InventoryPage_performHoverAction()
{
// Change code responsible for obtaining the tooltip information.
var var_item = generator.DeclareLocal(typeof(Item));
var code = FindCode(
OpCodes.Ldloc_1,
Instructions.Ldfld(typeof(StardewValley.Menus.ClickableComponent), "name"),
OpCodes.Stloc_2,
OpCodes.Ldloc_2,
Instructions.Ldstr("Hat")
);
code.Extend(
OpCodes.Ldarg_0,
Instructions.Call_get(typeof(Game1), "player"),
Instructions.Ldfld(typeof(Farmer), "boots"),
OpCodes.Callvirt,
Instructions.Callvirt_get(typeof(Item), "DisplayName"),
Instructions.Stfld(typeof(StardewValley.Menus.InventoryPage), "hoverTitle")
);
code.Replace(
// var item = EquipmentIcon.item
Instructions.Ldloc_1(),
Instructions.Ldfld(typeof(StardewValley.Menus.ClickableComponent), "item"),
Instructions.Stloc_S(var_item),
// if (item != null)
Instructions.Ldloc_S(var_item),
Instructions.Brfalse(AttachLabel(code.End[0])),
// hoveredItem = item;
Instructions.Ldarg_0(),
Instructions.Ldloc_S(var_item),
Instructions.Stfld(typeof(StardewValley.Menus.InventoryPage), "hoveredItem"),
// hoverText = item.getDescription();
Instructions.Ldarg_0(),
Instructions.Ldloc_S(var_item),
Instructions.Callvirt(typeof(Item), "getDescription"),
Instructions.Stfld(typeof(StardewValley.Menus.InventoryPage), "hoverText"),
// hoverTitle = item.DisplayName;
Instructions.Ldarg_0(),
Instructions.Ldloc_S(var_item),
Instructions.Callvirt_get(typeof(Item), "DisplayName"),
Instructions.Stfld(typeof(StardewValley.Menus.InventoryPage), "hoverTitle")
);
}
void Crop_harvest()
{
// >>> Fix harvesting of spring onions.
// Find the line:
// if (Game1.player.addItemToInventoryBool (@object, false)) {
var AddItem = FindCode(
Instructions.Call_get(typeof(StardewValley.Game1), "player"),
OpCodes.Ldloc_0,
OpCodes.Ldc_I4_0,
Instructions.Callvirt(typeof(StardewValley.Farmer), "addItemToInventoryBool", typeof(StardewValley.Item), typeof(bool)),
OpCodes.Brfalse
);
// Make jumps to the start of AddItem jump to the start of our new code instead.
var ldarg0 = Instructions.Ldarg_0();
AddItem.ReplaceJump(0, ldarg0);
// Insert check for harvesting with scythe and act accordingly.
AddItem.Prepend(
// if (this.harvestMethod != 0) {
ldarg0,
Instructions.Ldfld(typeof(StardewValley.Crop), "harvestMethod"),
Instructions.Call_get(typeof(Netcode.NetInt), "Value"), // this.indexOfHarvest
Instructions.Brfalse(AttachLabel(AddItem[0])),
// Game1.createObjectDebris (@object.ParentSheetIndex, xTile, yTile, -1, @object.Quality, 1.0, null);
Instructions.Ldloc_0(),
Instructions.Callvirt_get(typeof(StardewValley.Item), "ParentSheetIndex"), // @object.ParentSheetIndex
Instructions.Ldarg_1(), // xTile
Instructions.Ldarg_2(), // yTile
Instructions.Ldc_I4_M1(), // -1
Instructions.Ldloc_0(),
Instructions.Callvirt_get(typeof(StardewValley.Object), "Quality"), // @object.Quality
Instructions.Ldc_R4(1), // 1.0
Instructions.Ldnull(), // null
Instructions.Call(typeof(StardewValley.Game1), "createObjectDebris", typeof(int), typeof(int), typeof(int), typeof(int), typeof(int), typeof(float), typeof(StardewValley.GameLocation)),
// Game1.player.gainExperience (2, howMuch);
Instructions.Call_get(typeof(StardewValley.Game1), "player"),
Instructions.Ldc_I4_2(),
Instructions.Ldloc_1(),
Instructions.Callvirt(typeof(StardewValley.Farmer), "gainExperience", typeof(int), typeof(int)),
// return true
Instructions.Ldc_I4_1(),
Instructions.Ret()
// }
);
// >>> Patch code to drop sunflower seeds when harvesting with scythe.
// Patch is configurable, so it can be disabled in case it breaks in the future.
if (config.HarvestSeeds)
{
// Find tail of harvestMethod==1 branch
var ScytheBranchTail = FindCode(
OpCodes.Ldarg_0,
Instructions.Ldfld(typeof(StardewValley.Crop), "harvestMethod"),
OpCodes.Call, // Netcode
OpCodes.Ldc_I4_1,
OpCodes.Bne_Un
).Follow(4);
// Select starting from the exp code.
ScytheBranchTail.ExtendBackwards(
Instructions.Ldsfld(typeof(StardewValley.Game1), "objectInformation"),
OpCodes.Ldarg_0,
Instructions.Ldfld(typeof(StardewValley.Crop), "indexOfHarvest"),
OpCodes.Call, // Netcode
OpCodes.Callvirt,
OpCodes.Ldc_I4_1
);
// Monitor.Log(ScytheBranchTail.ToString());
if (ScytheBranchTail.length > 60)
{
throw new Exception("Too many operations in tail of harvestMethod branch");
}
// Find the start of the 'drop sunflower seeds' part.
var DropSunflowerSeeds = FindCode(
OpCodes.Ldarg_0,
Instructions.Ldfld(typeof(StardewValley.Crop), "indexOfHarvest"),
OpCodes.Call, // Netcode
Instructions.Ldc_I4(421), // 421 = Item ID of Sunflower.
OpCodes.Bne_Un
);
// Find the local variable that stores the amount being dropped.
var DropAmount = DropSunflowerSeeds.FindNext(
Instructions.Callvirt(typeof(System.Random), "Next", typeof(int), typeof(int)),
OpCodes.Stloc_S
);
// Rewrite the tail of the Scythe harvest branch.
ScytheBranchTail.Replace(
// Set num2 = 0.
Instructions.Ldc_I4_0(),
Instructions.Stloc_S((LocalBuilder)DropAmount[1].operand),
// Jump to the 'drop subflower seeds' part.
Instructions.Br(AttachLabel(DropSunflowerSeeds[0]))
);
}
}
void GameLocation_checkAction_Chain()
{
var var_object = generator.DeclareLocal(typeof(StardewValley.Object));
InstructionRange code;
Label cant_harvest;
try {
code = FindCode(
// if (who.couldInventoryAcceptThisItem (objects [vector])) {
OpCodes.Ldarg_0,
OpCodes.Ldfld, // who
OpCodes.Ldarg_0,
OpCodes.Ldfld, // objects
Instructions.Ldfld(typeof(GameLocation), nameof(GameLocation.objects)),
null, // Either LdLoc_1 or LdLoc_S(8).
OpCodes.Callvirt,
// <- Insert is here.
Instructions.Callvirt(typeof(Farmer), nameof(Farmer.couldInventoryAcceptThisItem), typeof(Item)),
OpCodes.Brfalse,
null // To make this InstructionRange have the same length as the one below for android.
);
cant_harvest = (Label)code[8].operand;
} catch (Exception err) {
LogException(err, LogLevel.Trace);
// Android adds a boolean to the couldInventoryAcceptThisItem method.
code = FindCode(
// if (who.couldInventoryAcceptThisItem (objects [vector], true)) {
OpCodes.Ldarg_0,
OpCodes.Ldfld, // who
OpCodes.Ldarg_0,
OpCodes.Ldfld, // objects
Instructions.Ldfld(typeof(GameLocation), nameof(GameLocation.objects)),
null, // Either LdLoc_1 or LdLoc_S(8).
OpCodes.Callvirt,
// <- Insert is here.
OpCodes.Ldc_I4_1,
Instructions.Callvirt(typeof(Farmer), nameof(Farmer.couldInventoryAcceptThisItem), typeof(Item), typeof(bool)),
OpCodes.Brfalse
);
cant_harvest = (Label)code[9].operand;
}
// Check whether harvesting forage by hand is allowed.
code.Replace(
// var object = objects [vector];
code[0],
code[3], // objects
code[4],
code[5],
code[6],
Instructions.Stloc_S(var_object),
// if (ModEntry.CanHarvestObject(object, 0)) {
Instructions.Ldloc_S(var_object),
Instructions.Ldc_I4_0(),
Instructions.Call(typeof(ModEntry), nameof(CanHarvestObject), typeof(StardewValley.Object), typeof(int)),
Instructions.Brfalse(cant_harvest),
// if (who.couldInventoryAcceptThisItem (object)) {
code[2],
code[1], // who
Instructions.Ldloc_S(var_object),
code[7], // true or couldInventoryAcceptThisItem
code[8],
code[9]
);
// Move to this.objects [vector].Quality = quality;
code = code.FindNext(
OpCodes.Ldarg_0,
OpCodes.Ldfld,
Instructions.Ldfld(typeof(GameLocation), nameof(GameLocation.objects)),
null, // Either LdLoc_1 or LdLoc_S(8).
OpCodes.Callvirt,
OpCodes.Ldloc_S,
Instructions.Callvirt_set(typeof(StardewValley.Object), nameof(StardewValley.Object.Quality))
);
var label_dont_scythe = AttachLabel(code.End[0]);
// Append code to handle trigger harvest with scythe.
code.Append(
// if (ModEntry.CanHarvestObject(object, HARVEST_SCYTHING) {
Instructions.Ldloc_S(var_object),
Instructions.Ldc_I4_1(), // HARVEST_SCYTHING
Instructions.Call(typeof(ModEntry), nameof(ModEntry.CanHarvestObject), typeof(StardewValley.Object), typeof(int)),
Instructions.Brfalse(label_dont_scythe),
// ModEntry.TryScythe()
Instructions.Call(typeof(ModEntry), nameof(ModEntry.TryScythe))
);
}
void GameLocation_checkAction()
{
var var_object = generator.DeclareLocal(typeof(StardewValley.Object));
InstructionRange code;
Label cant_harvest;
code = FindCode(
// if (who.couldInventoryAcceptThisItem (objects [vector])) {
OpCodes.Ldarg_3, // who
OpCodes.Ldarg_0,
Instructions.Ldfld(typeof(GameLocation), nameof(GameLocation.objects)),
OpCodes.Ldloc_1,
OpCodes.Callvirt,
// <- Insert is here.
Instructions.Callvirt(typeof(Farmer), nameof(Farmer.couldInventoryAcceptThisItem), typeof(Item)),
OpCodes.Brfalse
);
cant_harvest = (Label)code[6].operand;
// Check whether harvesting forage by hand is allowed.
code.Replace(
// var object = objects [vector];
code[1], // objects
code[2],
code[3],
code[4],
Instructions.Stloc_S(var_object),
// if (ModEntry.CanHarvestObject(object, location, 0)) {
Instructions.Ldloc_S(var_object),
Instructions.Ldarg_0(),
Instructions.Ldc_I4_0(),
Instructions.Call(typeof(ModEntry), nameof(CanHarvestObject), typeof(StardewValley.Object), typeof(GameLocation), typeof(int)),
Instructions.Brfalse(cant_harvest),
// if (who.couldInventoryAcceptThisItem (object)) {
code[0], // who
Instructions.Ldloc_S(var_object),
code[5], // couldInventoryAcceptThisItem
code[6]
);
// Move to this.objects [vector].Quality = quality;
code = code.FindNext(
OpCodes.Ldarg_0,
Instructions.Ldfld(typeof(GameLocation), nameof(GameLocation.objects)),
OpCodes.Ldloc_1,
OpCodes.Callvirt,
OpCodes.Ldloc_S,
Instructions.Callvirt_set(typeof(StardewValley.Object), nameof(StardewValley.Object.Quality))
);
var label_dont_scythe = AttachLabel(code.End[0]);
// Append code to handle trigger harvest with scythe.
code.Append(
// if (ModEntry.CanHarvestObject(object, location, HARVEST_SCYTHING) {
Instructions.Ldloc_S(var_object),
Instructions.Ldarg_0(),
Instructions.Ldc_I4_1(), // HARVEST_SCYTHING
Instructions.Call(typeof(ModEntry), nameof(ModEntry.CanHarvestObject), typeof(StardewValley.Object), typeof(GameLocation), typeof(int)),
Instructions.Brfalse(label_dont_scythe),
// ModEntry.TryScythe()
Instructions.Call(typeof(ModEntry), nameof(ModEntry.TryScythe))
);
}
void Crop_harvest()
{
#region Fix vector
Harmony.CodeInstruction ins = null;
// Remove line (2x)
// Vector2 vector = new Vector2 ((float)xTile, (float)yTile);
for (int i = 0; i < 2; i++)
{
var vec = FindCode(
OpCodes.Ldloca_S,
OpCodes.Ldarg_1,
OpCodes.Conv_R4,
OpCodes.Ldarg_2,
OpCodes.Conv_R4,
OpCodes.Call
);
ins = vec[5];
vec.Remove();
}
// Add to begin of function
// Vector2 vector = new Vector2 ((float)xTile*64., (float)yTile*64.);
BeginCode().Append(
Instructions.Ldloca_S(3),
Instructions.Ldarg_1(),
Instructions.Conv_R4(),
Instructions.Ldc_R4(64),
Instructions.Mul(),
Instructions.Ldarg_2(),
Instructions.Conv_R4(),
Instructions.Ldc_R4(64),
Instructions.Mul(),
ins
);
// Replace (4x):
// from: new Vector2 (vector.X * 64f, vector.Y * 64f)
// to: vector
for (int i = 0; i < 4; i++)
{
FindCode(
null,
OpCodes.Ldfld,
Instructions.Ldc_R4(64),
OpCodes.Mul,
null,
OpCodes.Ldfld,
Instructions.Ldc_R4(64),
OpCodes.Mul,
OpCodes.Newobj
).Replace(
Instructions.Ldloc_3() // vector
);
}
#endregion
#region Support harvesting of spring onions with scythe
// 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)),
OpCodes.Ldloc_0,
OpCodes.Ldc_I4_0,
Instructions.Callvirt(typeof(Farmer), nameof(Farmer.addItemToInventoryBool), typeof(Item), typeof(bool)),
OpCodes.Brfalse
);
// Swap the lines (add '*64' to vector) &
// Insert check for harvesting with scythe and act accordingly.
AddItem.Prepend(
// if (this.harvestMethod != 0) {
Instructions.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)
Instructions.Ldloc_0(), // @object
Instructions.Ldloc_3(), // 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)),
// Game1.player.gainExperience (2, howMuch);
Instructions.Call_get(typeof(Game1), nameof(Game1.player)),
Instructions.Ldc_I4_2(),
Instructions.Ldloc_1(),
Instructions.Callvirt(typeof(Farmer), nameof(Farmer.gainExperience), typeof(int), typeof(int)),
// return true
Instructions.Ldc_I4_1(),
Instructions.Ret()
// }
);
#endregion
#region Sunflower drops
// >>> Patch code to drop sunflower seeds when harvesting with scythe.
// >>> Patch code to let harvesting with scythe drop only 1 item.
// >>> The other item drops are handled by the plucking code.
// Remove start of loop
var start_loop = FindCode(
// for (int i = 0
OpCodes.Ldc_I4_0,
OpCodes.Stloc_S,
OpCodes.Br,
// junimoHarvester != null
Instructions.Ldarg_S(4),
OpCodes.Brfalse
);
// Get a reference to the 'i' variable.
var var_i = (LocalBuilder)start_loop[1].operand;
// Remove the head of the loop.
start_loop.length = 3;
start_loop.Remove();
// Find the start of the 'drop sunflower seeds' part.
var DropSunflowerSeeds = FindCode(
OpCodes.Ldarg_0,
Instructions.Ldfld(typeof(Crop), nameof(Crop.indexOfHarvest)),
OpCodes.Call, // Netcode
Instructions.Ldc_I4(421), // 421 = Item ID of Sunflower.
OpCodes.Bne_Un
);
// Set quality for seeds to 0.
DropSunflowerSeeds.Append(
Instructions.Ldc_I4_0(),
Instructions.Stloc_S(5)
);
// Remove end of loop and everything after that until the end of the harvest==1 branch.
var ScytheBranchTail = FindCode(
OpCodes.Ldarg_0,
Instructions.Ldfld(typeof(Crop), nameof(Crop.harvestMethod)),
OpCodes.Call, // Netcode
OpCodes.Ldc_I4_1,
OpCodes.Bne_Un
).Follow(4);
ScytheBranchTail.ExtendBackwards(
Instructions.Ldloc_S(var_i),
OpCodes.Ldc_I4_1,
OpCodes.Add,
Instructions.Stloc_S(var_i),
Instructions.Ldloc_S(var_i),
Instructions.Ldloc_S(4),
OpCodes.Blt
);
// Change jump to end of loop into jump to drop sunflower seeds.
ScytheBranchTail.ReplaceJump(0, DropSunflowerSeeds[0]);
// Rewrite the tail of the Scythe harvest branch.
ScytheBranchTail.Replace(
// Jump to the 'drop subflower seeds' part.
Instructions.Br(AttachLabel(DropSunflowerSeeds[0]))
);
#endregion
#region Colored flowers
// For colored flowers we need to call createItemDebris instead of createObjectDebris
FindCode(
// Game1.createObjectDebris (indexOfHarvest, xTile, yTile, -1, num3, 1f, null);
OpCodes.Ldarg_0,
OpCodes.Ldfld,
OpCodes.Call,
OpCodes.Ldarg_1,
OpCodes.Ldarg_2,
OpCodes.Ldc_I4_M1,
OpCodes.Ldloc_S,
OpCodes.Ldc_R4,
OpCodes.Ldnull,
OpCodes.Call
).Replace(
// var tmp = CreateObject(this, num3);
Instructions.Ldarg_0(), // this
Instructions.Ldloc_S(5), // num3
Instructions.Call(typeof(ModEntry), nameof(CreateObject), typeof(Crop), typeof(int)),
// Game1.createItemDebris(tmp, vector, -1, null, -1);
Instructions.Ldloc_3(), // 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))
);
#endregion
if (config.AllHaveQuality)
{
// Patch function calls for additional harvest to pass on the harvest quality.
FindCode(
OpCodes.Ldc_I4_M1,
OpCodes.Ldc_I4_0,
Instructions.Ldc_R4(1.0f),
OpCodes.Ldnull,
Instructions.Call(typeof(Game1), nameof(Game1.createObjectDebris), typeof(int), typeof(int), typeof(int), typeof(int), typeof(int), typeof(float), typeof(GameLocation))
)[1] = Instructions.Ldloc_S(5);
FindCode(
OpCodes.Ldc_I4_1,
OpCodes.Ldc_I4_0,
OpCodes.Ldc_I4_M1,
OpCodes.Ldc_I4_0,
OpCodes.Newobj,
Instructions.Callvirt(typeof(JunimoHarvester), nameof(JunimoHarvester.tryToAddItemToHut), typeof(Item))
)[3] = Instructions.Ldloc_S(5);
}
if (!config.ScytheHarvestFlowers)
{
var lbl = AttachLabel(instructions[0]);
BeginCode().Append(
// if (harvestMethod==1 && programColored) {
Instructions.Ldarg_0(),
Instructions.Ldfld(typeof(Crop), nameof(Crop.harvestMethod)),
Instructions.Call_get(typeof(NetInt), nameof(NetInt.Value)),
Instructions.Brfalse(lbl),
Instructions.Ldarg_0(),
Instructions.Ldfld(typeof(Crop), nameof(Crop.programColored)),
Instructions.Call_get(typeof(NetBool), nameof(NetBool.Value)),
Instructions.Brfalse(lbl),
// return false
Instructions.Ldc_I4_0(),
Instructions.Ret()
// }
);
}
}
void InventoryPage_performHoverAction()
{
// Change code responsible for obtaining the tooltip information.
var var_item = generator.DeclareLocal(typeof(Item));
InstructionRange code;
try {
// Linux & MacOS
code = FindCode(
// switch (equipmentIcon.name) {
OpCodes.Ldloc_1,
Instructions.Ldfld(typeof(ClickableComponent), nameof(ClickableComponent.name)),
OpCodes.Stloc_2,
// case null: break;
OpCodes.Ldloc_2,
OpCodes.Brfalse,
// case "Hat":
OpCodes.Ldloc_2,
Instructions.Ldstr("Hat")
);
code.Extend(code.Follow(4));
} catch (Exception err) {
LogException(err, LogLevel.Trace);
// Windows
code = FindCode(
// switch (equipmentIcon.name) {
OpCodes.Ldloc_1,
Instructions.Ldfld(typeof(ClickableComponent), nameof(ClickableComponent.name)),
OpCodes.Stloc_2,
// case "Hat":
OpCodes.Ldloc_2,
Instructions.Ldstr("Hat")
);
code.Extend(
OpCodes.Ldloc_2,
Instructions.Ldstr("Pants"),
OpCodes.Call,
OpCodes.Brtrue,
OpCodes.Br
);
code.Extend(code.End.Follow(-1));
}
code.Replace(
// var item = EquipmentIcon.item
code[0],
Instructions.Ldfld(typeof(ClickableComponent), nameof(ClickableComponent.item)),
Instructions.Stloc_S(var_item),
// if (item != null)
Instructions.Ldloc_S(var_item),
Instructions.Brfalse(AttachLabel(code.End[0])),
// hoveredItem = item;
Instructions.Ldarg_0(),
Instructions.Ldloc_S(var_item),
Instructions.Stfld(typeof(InventoryPage), "hoveredItem"),
// hoverText = item.getDescription();
Instructions.Ldarg_0(),
Instructions.Ldloc_S(var_item),
Instructions.Callvirt(typeof(Item), nameof(Item.getDescription)),
Instructions.Stfld(typeof(InventoryPage), "hoverText"),
// hoverTitle = item.DisplayName;
Instructions.Ldarg_0(),
Instructions.Ldloc_S(var_item),
Instructions.Callvirt_get(typeof(Item), nameof(Item.DisplayName)),
Instructions.Stfld(typeof(InventoryPage), "hoverTitle")
);
}
// 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)
);
}
void InventoryPage_receiveLeftClick()
{
// Handle a ring-inventory slot being clicked.
InstructionRange code;
try {
// Linux & MacOS
code = FindCode(
// switch (equipmentIcon.name) {
OpCodes.Ldloc_1,
Instructions.Ldfld(typeof(ClickableComponent), nameof(ClickableComponent.name)),
OpCodes.Stloc_3,
// case null: break;
OpCodes.Ldloc_3,
OpCodes.Brfalse,
// case "Hat":
OpCodes.Ldloc_3,
Instructions.Ldstr("Hat")
);
code.Extend(code.Follow(4));
} catch (Exception err) {
LogException(err, LogLevel.Trace);
// Windows
code = FindCode(
// switch (equipmentIcon.name) {
OpCodes.Ldloc_1,
Instructions.Ldfld(typeof(ClickableComponent), nameof(ClickableComponent.name)),
OpCodes.Stloc_3,
// case "Hat":
OpCodes.Ldloc_3,
Instructions.Ldstr("Hat")
);
code.Extend(
OpCodes.Ldloc_3,
Instructions.Ldstr("Pants"),
OpCodes.Call,
OpCodes.Brtrue,
OpCodes.Br
);
code.Extend(code.End.Follow(-1));
}
code.Replace(
code[0],
Instructions.Call(typeof(ModEntry), nameof(EquipmentClick), typeof(ClickableComponent)),
Instructions.Pop()
);
// Select code for equipping items through shift+click.
code = code.FindNext(
// if (checkHeldItem ((Item i) => i is Ring))
OpCodes.Ldarg_0,
OpCodes.Ldsfld,
OpCodes.Dup,
OpCodes.Brtrue,
//
OpCodes.Pop,
OpCodes.Ldsfld,
OpCodes.Ldftn,
OpCodes.Newobj,
OpCodes.Dup,
OpCodes.Stsfld,
//
Instructions.Callvirt(typeof(InventoryPage), "checkHeldItem", typeof(Func <Item, bool>)),
OpCodes.Brfalse,
// if (Game1.player.leftRing.Value == null)
Instructions.Call_get(typeof(Game1), nameof(Game1.player)),
Instructions.Ldfld(typeof(Farmer), nameof(Farmer.leftRing)),
OpCodes.Callvirt,
OpCodes.Brtrue
);
code.Extend(
Instructions.Call_get(typeof(Game1), nameof(Game1.player)),
Instructions.Ldfld(typeof(Farmer), nameof(Farmer.pantsItem)),
OpCodes.Callvirt,
OpCodes.Brtrue
);
Label equip_failed = (Label)code.End[-1].operand;
code.Extend(code.End.Follow(-1));
code.Replace(
Instructions.Ldarg_0(),
Instructions.Call(typeof(ModEntry), nameof(AutoEquipment), typeof(InventoryPage)),
// if (true) return;
Instructions.Brfalse(equip_failed),
Instructions.Ret()
);
}
void Tree_DayUpdate()
{
// Erase code related to tree spreading.
var spread = FindCode(
// if ((int)growthStage >= 5
OpCodes.Ldarg_0,
Instructions.Ldfld(typeof(Tree), nameof(Tree.growthStage)),
OpCodes.Call,
OpCodes.Ldc_I4_5,
OpCodes.Blt,
// && environment is Farm ...
OpCodes.Ldarg_1,
Instructions.Isinst(typeof(Farm)),
OpCodes.Brfalse
);
spread.Extend(
// hasSeed.Value = false;
OpCodes.Ldarg_0,
Instructions.Ldfld(typeof(Tree), nameof(Tree.hasSeed)),
OpCodes.Ldc_I4_0,
OpCodes.Callvirt
);
spread.length -= 4;
spread.Prepend(
// if (!tapped && config.OnlyPreventTapped)
Instructions.Ldarg_0(),
Instructions.Ldfld(typeof(Tree), nameof(Tree.tapped)),
Instructions.Call_get(typeof(NetBool), nameof(NetBool.Value)),
Instructions.Brtrue(AttachLabel(spread.End[0])),
Instructions.Call(GetType(), nameof(isOnlyPreventTapped)),
Instructions.Brfalse(AttachLabel(spread.End[0]))
);
spread.ReplaceJump(6, spread[0]);
// if RetainSeed: Don't remove seeds when on the farm
var remove_seed = spread.End;
remove_seed.length += 4;
// if (!config.RetainSeed || !environment is Farm)
var lbl = generator.DefineLabel();
remove_seed.Prepend(
Instructions.Call(GetType(), nameof(isRetainSeed)),
Instructions.Brfalse(lbl),
Instructions.Ldarg_1(),
Instructions.Isinst(typeof(Farm)),
Instructions.Brtrue(AttachLabel(remove_seed.End[0]))
);
remove_seed.ReplaceJump(5, remove_seed[0]);
remove_seed[5].labels.Add(lbl);
// Increase chance that tree has a seed.
// float num3 = 0.05f;
var seed = remove_seed.FindNext(
Instructions.Ldc_R4(0.05f),
OpCodes.Stloc_1
);
seed[0] = Instructions.Call(GetType(), nameof(getSeedChance));
}