feat(input): Add ability to snap building rotation to 45 degree angles (#1472)

Is accessible while holding the force-attack modifier key (CTRL)

Author: Stubbjax

Core/Libraries/Source/WWVegas/WWMath/wwmath.h

@@ -143,6 +143,7 @@ static WWINLINE float		Atan2(float y,float x) { return static_cast<float>(atan2(
 static WWINLINE float		Sign(float val);
 static WWINLINE float		Ceil(float val) { return ceilf(val); }
 static WWINLINE float		Floor(float val) { return floorf(val); }
+static WWINLINE float		Round(float val) { return floorf(val + 0.5f); }
 static WWINLINE bool			Fast_Is_Float_Positive(const float & val);
 static WWINLINE bool			Is_Power_Of_2(const unsigned int val);
 

Generals/Code/GameEngine/Source/GameClient/InGameUI.cpp

@@ -1415,6 +1415,13 @@ void InGameUI::handleBuildPlacements( void )
 				v.y = worldEnd.y - worldStart.y;
 				angle = v.toAngle();
 
+				// TheSuperHackers @tweak Stubbjax 04/08/2025 Snap angle to nearest 45 degrees
+				// while using force attack mode for convenience.
+				if (isInForceAttackMode())
+				{
+					const Real snapRadians = DEG_TO_RADF(45);
+					angle = WWMath::Round(angle / snapRadians) * snapRadians;
+				}
 			}  // end if
 
 		}  // end if

GeneralsMD/Code/GameEngine/Source/GameClient/InGameUI.cpp

@@ -1470,6 +1470,13 @@ void InGameUI::handleBuildPlacements( void )
 				v.y = worldEnd.y - worldStart.y;
 				angle = v.toAngle();
 
+				// TheSuperHackers @tweak Stubbjax 04/08/2025 Snap angle to nearest 45 degrees
+				// while using force attack mode for convenience.
+				if (isInForceAttackMode())
+				{
+					const Real snapRadians = DEG_TO_RADF(45);
+					angle = WWMath::Round(angle / snapRadians) * snapRadians;
+				}
 			}  // end if
 
 		}  // end if