public void DrawImage(ProjImage image, MPointF location)
{
foreach (var proj in image.Projs)
{
var newImg = proj;
newImg.Location += location;
Projs.Add(newImg);
}
}
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 Proj(int projType, MPointF speed, MPointF location)
{
ProjType = projType;
Speed = speed;
Location = location;
}
