Create Bugfixes.ClampTacticalPos.cpp (#14)

Author: Belonit

Spawner.vcxproj

@@ -30,6 +30,7 @@
     <!-- Misc -->
     <ClCompile Include="$(ThisDir)\src\Misc\Bugfixes.cpp" />
     <ClCompile Include="$(ThisDir)\src\Misc\Bugfixes.Blowfish.cpp" />
+    <ClCompile Include="$(ThisDir)\src\Misc\Bugfixes.ClampTacticalPos.cpp" />
     <ClCompile Include="$(ThisDir)\src\Misc\Bugfixes.CommonCrashes.cpp" />
     <ClCompile Include="$(ThisDir)\src\Misc\Bugfixes.ExceptionCatch.cpp" />
     <ClCompile Include="$(ThisDir)\src\Misc\Bugfixes.IsoMapPack5Limit.cpp" />

src/Misc/Bugfixes.ClampTacticalPos.cpp

@@ -0,0 +1,113 @@
+/**
+*  yrpp-spawner
+*
+*  Copyright(C) 2025-present CnCNet
+*
+*  This program is free software: you can redistribute it and/or modify
+*  it under the terms of the GNU General Public License as published by
+*  the Free Software Foundation, either version 3 of the License, or
+*  (at your option) any later version.
+*
+*  This program is distributed in the hope that it will be useful,
+*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
+*  GNU General Public License for more details.
+*
+*  You should have received a copy of the GNU General Public License
+*  along with this program.If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <Utilities/Macro.h>
+#include <Spawner/Spawner.h>
+#include <DisplayClass.h>
+class TacticalClass;
+
+// Fixes glitches if the map size is smaller than the screen resolution
+// Author: Belonit
+
+bool __fastcall Tactical_ClampTacticalPos(TacticalClass* pThis, void*, Point2D* tacticalPos)
+{
+	bool isUpdated = false;
+
+	auto pMapRect = &MapClass::Instance->MapRect;
+	auto pMapVisibleRect = &MapClass::Instance->VisibleRect;
+	auto pSurfaceViewBounds = &DSurface::ViewBounds;
+
+	{
+		const int xMin = Unsorted::CellWidthInPixels * (pMapVisibleRect->X - (pMapRect->Width >> 1)) + (pSurfaceViewBounds->Width >> 1);
+		if (tacticalPos->X < xMin)
+		{
+			tacticalPos->X = xMin;
+			isUpdated = true;
+		}
+		else
+		{
+			const int xMax = Math::max(Unsorted::CellWidthInPixels * pMapVisibleRect->Width - pSurfaceViewBounds->Width + xMin, xMin);
+			if (tacticalPos->X > xMax)
+			{
+				tacticalPos->X = xMax;
+				isUpdated = true;
+			}
+		}
+	}
+
+	{
+		const int yMin = Unsorted::CellHeightInPixels * (pMapVisibleRect->Y + (pMapRect->Width >> 1)) + (pSurfaceViewBounds->Height >> 1) - int(2.5 * Unsorted::CellHeightInPixels);
+		if (tacticalPos->Y < yMin)
+		{
+			tacticalPos->Y = yMin;
+			isUpdated = true;
+		}
+		else
+		{
+			const int yMax = Math::max(Unsorted::CellHeightInPixels * pMapVisibleRect->Height - pSurfaceViewBounds->Height + int(4.5 * Unsorted::CellHeightInPixels) + yMin, yMin);
+			if (tacticalPos->Y > yMax)
+			{
+				tacticalPos->Y = yMax;
+				isUpdated = true;
+			}
+		}
+	}
+
+	return isUpdated;
+}
+DEFINE_JUMP(LJMP, 0x6D8640, GET_OFFSET(Tactical_ClampTacticalPos))
+
+DEFINE_HOOK(0x6D4934, Tactical_Render_OverlapForeignMap, 0x6)
+{
+	auto pMapVisibleRect = &MapClass::Instance->VisibleRect;
+	auto pSurfaceViewBounds = &DSurface::ViewBounds;
+
+	{
+		const int maxWidth =
+			pSurfaceViewBounds->Width - pMapVisibleRect->Width * Unsorted::CellWidthInPixels;
+
+		if (maxWidth > 0)
+		{
+			RectangleStruct rect = {
+				pSurfaceViewBounds->Width - maxWidth,
+				0,
+				maxWidth,
+				pSurfaceViewBounds->Height};
+
+			DSurface::Composite->FillRect(&rect, COLOR_BLACK);
+		}
+	}
+
+	{
+		const int maxHeight = pSurfaceViewBounds->Height - pMapVisibleRect->Height * Unsorted::CellHeightInPixels - int(4.5 * Unsorted::CellHeightInPixels);
+
+		if (maxHeight > 0)
+		{
+			RectangleStruct rect = {
+				0,
+				pSurfaceViewBounds->Height - maxHeight,
+				pSurfaceViewBounds->Width,
+				maxHeight};
+
+			DSurface::Composite->FillRect(&rect, COLOR_BLACK);
+		}
+	}
+
+	return 0;
+}