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add support for Drakengard 3 #13

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add support for Drakengard 3 #13

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1 change: 1 addition & 0 deletions KAMI/GameManager.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ public static IGame GetGame(IntPtr ipc, string id)
case "BLES02247":
case "NPUB31848":
case "NPEB02436": return new Persona5PS3(ipc);
case "BLUS31197": return new Drakengard3PS3(ipc);
case "BLUS30481": return new NierPS3(ipc);
case "BCES00052": return new RatchetToD(ipc);
case "BCES01503": return new Ratchet3PS3(ipc);
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37 changes: 37 additions & 0 deletions KAMI/Games/Drakengard3PS3.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,37 @@
using System;
using KAMI.Cameras;
using KAMI.Utilities;

namespace KAMI.Games
{
class Drakengard3PS3 : Game<HAVACamera>
{
const uint BaseAddress = 0x019D2414;

DerefChain m_hor;
DerefChain m_vert;

public Drakengard3PS3(IntPtr ipc) : base(ipc)
{
var baseChain = DerefChain.CreateDerefChain(ipc, BaseAddress);
m_vert = baseChain.Chain(0x9E0);
m_hor = baseChain.Chain(0x9E4);
}

public override void UpdateCamera(int diffX, int diffY)
{
if (DerefChain.VerifyChains(m_hor, m_vert))
{
// the game uses a signed integer based camera system, with a 65536 resolution
m_camera.Hor = ((int)(IPCUtils.ReadU32(m_ipc, (uint)m_hor.Value)) / 65536f) * (float)(2 * Math.PI);
m_camera.Vert = ((int)(IPCUtils.ReadU32(m_ipc, (uint)m_vert.Value)) / 65536f) * (float)(2 * Math.PI);

// the vertical value is clamped automagically by the game, min is -20°, max is 85°
m_camera.Update(diffX * SensModifier, -diffY * SensModifier);

IPCUtils.WriteU32(m_ipc, (uint)m_hor.Value, (uint)Math.Round(m_camera.Hor / (float)(2 * Math.PI) * 65536f));
IPCUtils.WriteU32(m_ipc, (uint)m_vert.Value, (uint)Math.Round(m_camera.Vert / (float)(2 * Math.PI) * 65536f));
}
}
}
}