public void Emit(GameContext context, float X, float Y)
{
int data = NativeFunctions.VirtualAllocEx(context.HContext.Handle, 0, (int)(32 * Projs.Count), NativeFunctions.AllocationType.Commit, NativeFunctions.MemoryProtection.ExecuteReadWrite);
NativeFunctions.WriteProcessMemory(context.HContext.Handle, data, BitConverter.GetBytes(Projs.Count), 4, 0);
for (int i = 0; i < Projs.Count; i++)
{
int t = data + 8 + i * 32;
NativeFunctions.WriteProcessMemory(context.HContext.Handle, t, BitConverter.GetBytes(Projs[i].ProjType), 4, 0);
NativeFunctions.WriteProcessMemory(context.HContext.Handle, t + 4, BitConverter.GetBytes(context.MyPlayer.X + Projs[i].Location.X), 4, 0);
NativeFunctions.WriteProcessMemory(context.HContext.Handle, t + 8, BitConverter.GetBytes(context.MyPlayer.Y + Projs[i].Location.Y), 4, 0);
NativeFunctions.WriteProcessMemory(context.HContext.Handle, t + 12, BitConverter.GetBytes(Projs[i].Speed.X), 4, 0);
NativeFunctions.WriteProcessMemory(context.HContext.Handle, t + 16, BitConverter.GetBytes(Projs[i].Speed.Y), 4, 0);
}
AssemblySnippet snippet = AssemblySnippet.FromCode(
new AssemblyCode[] {
(Instruction)$"pushad",
(Instruction)$"mov ebx,{data}",
});
snippet.Content.Add(AssemblySnippet.Loop(
AssemblySnippet.FromCode(
new AssemblyCode[] {
(Instruction)$"mov eax,[esp]", //i
(Instruction)$"shl eax,5",
(Instruction)$"lea eax,[ebx+8+eax]",
Projectile.GetSnippet_Call_NewProjectile(context, null, false,
"[eax+4]", "[eax+8]", "[eax+12]", "[eax+16]", "[eax]", 0, 0f, context.MyPlayerIndex, 0f, 0f),
}),
(int)Projs.Count, true));
snippet.Content.Add((Instruction)"popad");
InlineHook.InjectAndWait(context.HContext, snippet,
context.HContext.MainAddressHelper["Terraria.Main", "Update"], true);
NativeFunctions.VirtualFreeEx(context.HContext.Handle, data, 0);
}
public override void Enable(GameContext ctx)
{
AssemblySnippet asm = AssemblySnippet.FromEmpty();
asm.Content.Add(Instruction.Create("push ecx"));
asm.Content.Add(Instruction.Create("push edx"));
asm.Content.Add(
AssemblySnippet.Loop(
AssemblySnippet.Loop(
AssemblySnippet.FromCode(
new AssemblyCode[] {
(Instruction)"mov edx, [esp+4]",
(Instruction)"push [esp]",
(Instruction)"push 255",
AssemblySnippet.FromClrCall(
ctx.GameModuleHelper.GetFunctionAddress("Terraria.Map.WorldMap", "UpdateLighting"), false, ctx.Map.BaseAddress, null, null,
Array.Empty <object>())
}),
ctx.MaxTilesY, false),
ctx.MaxTilesX, false));
asm.Content.Add(Instruction.Create("pop edx"));
asm.Content.Add(Instruction.Create("pop ecx"));
ctx.RunByHookOnUpdate(asm);
ctx.RefreshMap = true;
}
public void Emit(GameContext context, MPointF Location)
{
using MemoryAllocation alloc = new(context.HContext, 32 * (uint)Projs.Count + 64);
RemoteMemoryStream stream = new(context.HContext, alloc.AllocationBase, 0);
stream.Write <long>(Projs.Count); //8 bytes
byte[] bs = new byte[12];
for (int i = 0; i < Projs.Count; i++)
{
stream.Write(Projs[i].ProjType); //4
stream.Write(Location.X + Projs[i].Location.X); //4
stream.Write(Location.Y + Projs[i].Location.Y); //4
stream.Write(Projs[i].Speed.X); //4
stream.Write(Projs[i].Speed.Y); //4
stream.Write(bs, (uint)bs.Length);
}
AssemblySnippet snippet = AssemblySnippet.FromCode(
new AssemblyCode[] {
(Instruction)$"pushad",
(Instruction)$"mov ebx,{alloc.AllocationBase}",
});
snippet.Content.Add(AssemblySnippet.Loop(
AssemblySnippet.FromCode(
new AssemblyCode[] {
(Instruction)$"mov eax,[esp]", //i
(Instruction)$"shl eax,5", //*32
(Instruction)$"lea eax,[ebx+8+eax]",
(Instruction)$"xor ecx,ecx", //SpawnSource:IProjectileSource
(Instruction)$"push [eax+4]", //X:float
(Instruction)$"push [eax+8]", //Y:float
(Instruction)$"push [eax+12]", //SpeedX:float
(Instruction)$"push [eax+16]", //SpeedY:float
(Instruction)$"mov edx,[eax]", //Type:int
(Instruction)$"push 0", //Damage:int
(Instruction)$"push 0", //KnockBack:float
(Instruction)$"push {context.MyPlayerIndex}", //Owner:int
(Instruction)$"push 0", //ai0:float
(Instruction)$"push 0", //ai1:float
(Instruction)$"call {context.GameModuleHelper.GetClrMethodBySignature("Terraria.Projectile", "Terraria.Projectile.NewProjectile(Terraria.DataStructures.IEntitySource, Single, Single, Single, Single, Int32, Int32, Single, Int32, Single, Single)").NativeCode}",
}),
Projs.Count, true));
snippet.Content.Add((Instruction)"popad");
context.RunByHookOnUpdate(snippet);
}
public static void RevealMap(GameContext Context)
{
AssemblySnippet asm = AssemblySnippet.FromEmpty();
asm.Content.Add(Instruction.Create("push ecx"));
asm.Content.Add(Instruction.Create("push edx"));
asm.Content.Add(
AssemblySnippet.Loop(
AssemblySnippet.Loop(
AssemblySnippet.FromClrCall(
Context.HContext.MainAddressHelper.GetFunctionAddress("Terraria.Map.WorldMap", "UpdateLighting"), null, false,
Context.Map.BaseAddress, "[esp+4]", "[esp]", 255),
Context.MaxTilesY, false),
Context.MaxTilesX, false));
asm.Content.Add(Instruction.Create("pop edx"));
asm.Content.Add(Instruction.Create("pop ecx"));
InlineHook.InjectAndWait(Context.HContext, asm,
Context.HContext.MainAddressHelper.GetFunctionAddress("Terraria.Main", "DoUpdate"), true);
Context.RefreshMap = true;
}
