Decompile 2 functions in Source/Client/ModeFadeOut.cpp, Source/Client/ModeFadeOut.h, ...

Batch #1037 by ragnarok-clanker: 0 byte-identical, 2 confirmed by peer review.

- fn_17847 FadeOutMode: logic confirmed by peer review
- fn_17148 DrawBitmapResource: logic confirmed by peer review

Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
Adds to the build: Source/Client/ModeFadeOut.cpp, Source/Render/BitmapDrawing.cpp

Source/Client/ModeFadeOut.cpp

@@ -0,0 +1,35 @@
+#include "Client/ModeFadeOut.h"
+#include "Client/ModeFade.h"
+#include "Contents/Sound/SoundMgr.h"
+#include "Render/BitmapDrawing.h"
+#include "Render/Primitives/AlphaRectangle.h"
+#include "Render/Renderer.h"
+#include "Resource/Bitmap/BitmapResource.h"
+#include "Resource/ResourceMgr.h"
+#include "Resource/TextureNames.h"
+
+#include <timeapi.h>
+
+// OFFSET: 0x00AD6960
+// FUNCTION: fn_17847
+std::uint32_t FadeOutMode(CRenderer& renderer, CRenderSystemBase& system, TextureCache& textures, ResourceMgr& resources, TextureNames& names,
+  int showLogo, bool depthAlpha, float depthStart, float depthEnd) {
+  g_soundMgr->FadeOut();
+  g_modeFadeTick = timeGetTime();
+  renderer.CaptureBackBuffer();
+  std::uint32_t elapsed = timeGetTime() - g_modeFadeTick;
+  while (elapsed < 255) {
+    DrawAlphaRectangle(renderer.primitives, textures, renderer.queues, 0, 0, renderer.viewport.width, renderer.viewport.height, elapsed << 24,
+      depthAlpha, depthStart, depthEnd);
+    if (showLogo != 0) {
+      auto* logo = static_cast<CBitmapRes*>(resources.Load(names.Resolve("rag_logo.bmp")));
+      DrawBitmapResource(system, renderer.viewport.width - 192, renderer.viewport.height - 122, logo);
+    }
+    if (renderer.Draw()) {
+      renderer.Present(1);
+    }
+    renderer.RestoreBackBuffer();
+    elapsed = timeGetTime() - g_modeFadeTick;
+  }
+  return elapsed;
+}

Source/Client/ModeFadeOut.h

@@ -0,0 +1,15 @@
+#ifndef RAGNAROK_SOURCE_CLIENT_MODEFADEOUT_H
+#define RAGNAROK_SOURCE_CLIENT_MODEFADEOUT_H
+
+#include <cstdint>
+
+class CRenderer;
+class CRenderSystemBase;
+class TextureCache;
+class ResourceMgr;
+struct TextureNames;
+
+std::uint32_t FadeOutMode(CRenderer& renderer, CRenderSystemBase& system, TextureCache& textures, ResourceMgr& resources, TextureNames& names,
+  int showLogo, bool depthAlpha, float depthStart, float depthEnd);
+
+#endif

Source/Render/BitmapDrawing.cpp

@@ -0,0 +1,16 @@
+#include "Render/BitmapDrawing.h"
+#include "Render/DeviceContext/DCBitmap.h"
+#include "Resource/Bitmap/BitmapResource.h"
+
+// OFFSET: 0x00A8FC30
+// FUNCTION: fn_17148
+void DrawBitmapResource(CRenderSystemBase& system, int x, int y, const CBitmapRes* bitmap) {
+  if (!bitmap) {
+    return;
+  }
+
+  CDCBitmap* surface = CreateBitmapDC(bitmap->image.width, bitmap->image.height, true);
+  surface->Copy(0, 0, bitmap->image.width, bitmap->image.height, bitmap->image.pixels, true);
+  surface->Draw(system, x, y, bitmap->image.width, bitmap->image.height, 0xFFFFFFFF);
+  delete surface;
+}

Source/Render/BitmapDrawing.h

@@ -0,0 +1,9 @@
+#ifndef RAGNAROK_SOURCE_RENDER_BITMAPDRAWING_H
+#define RAGNAROK_SOURCE_RENDER_BITMAPDRAWING_H
+
+class CRenderSystemBase;
+class CBitmapRes;
+
+void DrawBitmapResource(CRenderSystemBase& system, int x, int y, const CBitmapRes* bitmap);
+
+#endif

compile.json

@@ -258,6 +258,7 @@
   "Source/Client/Mode/ModeDragState.cpp": 2,
   "Source/Client/Mode/ModeTooltip.cpp": 2,
   "Source/Client/ModeFade.cpp": 0,
+  "Source/Client/ModeFadeOut.cpp": 0,
   "Source/Client/Registry.cpp": 0,
   "Source/Client/Replay.cpp": 0,
   "Source/Client/ReplayPacketRecorder.cpp": 2,
@@ -430,6 +431,7 @@
   "Source/Network/Packets/SkillUpdatePacket.cpp": 4,
   "Source/Network/TextEncoding.cpp": 0,
   "Source/Render/AlphaRectangle.cpp": 0,
+  "Source/Render/BitmapDrawing.cpp": 0,
   "Source/Render/BlendColor.cpp": 0,
   "Source/Render/DX7/BackBufferDX7.cpp": 0,
   "Source/Render/DX7/DeviceCapabilitiesDX7.cpp": 0,