DrawBufferExtension: increase draw buffer 16x

Author: emoose

OutRun2006Tweaks.lods.ini

@@ -6,10 +6,15 @@
 #
 # Please post any bad objects you find to https://github.com/emoose/OutRun2006Tweaks/issues/97!
 
+# ALPINE
+[Stage 3]
+# See-through mountains in distance from bunki
+0x1 = 0x1, 0xD, 0x22
+
 # LAS VEGAS 
-[Stage 18] 
-# Wall texture under tunnel
-0x1 = 0x1F
+#[Stage 18] 
+# Wall texture under tunnel (TODO: needs more testing, might need to set a dist limit on this map)
+# 0x1 = 0x1F
 
 # GRAND CANYON
 [Stage 20]
@@ -26,4 +31,4 @@
 # PALM BEACH (T)
 [Stage 60]
 # Bad polygon when entering from bunki
-0x1 = 0x6
+0x1 = 0x6

src/hooks_drawdistance.cpp

@@ -484,6 +484,70 @@ class DrawDistanceIncrease : public Hook
 };
 DrawDistanceIncrease DrawDistanceIncrease::instance;
 
+// TODO: move this to game.h, should probably remove the resize function
+struct TDrawBuffer
+{
+	int NumBuffers_0;
+	int MaxBuffers_4;
+	int unk_8[1];
+	int MaxBuffers_C;
+	struct TDrawEntry** BufferPtrs_10;
+	struct TDrawEntry* Buffer_14;
+	void* UnkBuffer_18;
+
+	void resize(int new_size)
+	{
+		int bufferPtrsSize_Imm = new_size * 4;
+		int buffersSize_Imm = new_size * 0x3C;
+		int unkbuffersSize_Imm = new_size * 0x40;
+
+		MaxBuffers_4 = new_size;
+		MaxBuffers_C = new_size;
+
+		BufferPtrs_10 = (TDrawEntry**)malloc(bufferPtrsSize_Imm);
+		Buffer_14 = (TDrawEntry*)malloc(buffersSize_Imm);
+		UnkBuffer_18 = malloc(unkbuffersSize_Imm);
+	}
+};
+
+class DrawBufferExtension : public Hook
+{
+	inline static SafetyHookInline drawbufferinit_hook = {};
+	static void drawbufferinit_dest()
+	{
+		drawbufferinit_hook.call();
+
+		TDrawBuffer* s_ImmDrawBuffer = Module::exe_ptr<TDrawBuffer>(0x00464EF8);
+		TDrawBuffer* s_AftDrawBuffer = Module::exe_ptr<TDrawBuffer>(0x004612D8);
+
+		constexpr int s_ImmDrawBufferSizeVanilla = 0x100;
+		constexpr int s_AftDrawBufferSizeVanilla = 0x600;
+
+		s_ImmDrawBuffer->resize(s_ImmDrawBufferSizeVanilla * 0x10);
+		s_AftDrawBuffer->resize(s_AftDrawBufferSizeVanilla * 2);
+	}
+
+public:
+	std::string_view description() override
+	{
+		return "DrawBufferExtension";
+	}
+
+	bool validate() override
+	{
+		return Settings::DrawDistanceIncrease > 0 || Settings::DrawDistanceBehind > 0;
+	}
+
+	bool apply() override
+	{
+		drawbufferinit_hook = safetyhook::create_inline(Module::exe_ptr(0x5160), drawbufferinit_dest);
+		return true;
+	}
+
+	static DrawBufferExtension instance;
+};
+DrawBufferExtension DrawBufferExtension::instance;
+
 class PauseMenuVisibility : public Hook
 {
 	inline static SafetyHookInline sprani_hook = {};

src/hooks_overlay.cpp

@@ -211,21 +211,22 @@ class WndprocHook : public Hook
 		}
 		else
 		{
-			if (Settings::WindowedHideMouseCursor)
+			if (!Settings::OverlayEnabled && Settings::WindowedHideMouseCursor)
 			{
 				if (msg == WM_SETFOCUS || (msg == WM_ACTIVATE && lParam != WA_INACTIVE))
 				{
 					ShowCursor(false);
 				}
-				else if (msg == WM_ERASEBKGND) // erase window to white during device reset
-				{
-					RECT rect;
-					GetClientRect(hwnd, &rect);
-					HBRUSH brush = CreateSolidBrush(RGB(0xFF, 0xFF, 0xFF));
-					FillRect((HDC)wParam, &rect, brush);
-					DeleteObject(brush);
-					return 1;
-				}
+			}
+
+			if (msg == WM_ERASEBKGND) // erase window to white during device reset
+			{
+				RECT rect;
+				GetClientRect(hwnd, &rect);
+				HBRUSH brush = CreateSolidBrush(RGB(0xFF, 0xFF, 0xFF));
+				FillRect((HDC)wParam, &rect, brush);
+				DeleteObject(brush);
+				return 1;
 			}
 		}
 		// Other message handling