public void Emit(GameContext context, MPointF Location)
{
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(Location.X + Projs[i].Location.X), 4, 0);
NativeFunctions.WriteProcessMemory(context.HContext.Handle, t + 8, BitConverter.GetBytes(Location.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", "DoUpdate"], true);
NativeFunctions.VirtualFreeEx(context.HContext.Handle, data, 0);
}
public void DrawImage(ProjImage image, MPointF location)
{
foreach (var proj in image.Projs)
{
var newImg = proj;
newImg.Location += location;
Projs.Add(newImg);
}
}
public Proj(int projType, MPointF speed, MPointF location)
{
ProjType = projType;
Speed = speed;
Location = location;
}
