Spring RTS Engine

Code: Select all

// Add GPL header here, I'm lazy I know
#define ANIM_SPEED 37.5

TurnControl()
{
	var RefreshRate, UnitHeading, TurnAngle;
	RefreshRate = ANIM_SPEED;

	UnitHeading = get XZ_ATAN(7); // XZ_ATAN(0) or any other small value do all return the angle from the current heading to the north. If the unit is facing to the north the angle is 0, if it is facing to the south it's 32768 (or 180° or <180>).

	
	while (TRUE)
	{
		sleep RefreshRate;

		UnitHeading = get XZ_ATAN(7) - UnitHeading; // This is the distance the unit turned after time RefreshRate. The value of UnitHeading can vary. The lower RefreshRate the smaller the value; the higher the TurnRate (in the FBI), the larger the value. edit: Changed this so that left is in the negatives and right is positive.

		if (UnitHeading != 0) // UnitHeading is 0 when the unit stands still
		{
			// Reset if the directions change
			if ((UnitHeading < 0 AND TurnAngle > 0) OR (UnitHeading > 0 AND TurnAngle < 0)) TurnAngle = 0;
			
			// Adding to the angle over time
			TurnAngle = TurnAngle + UnitHeading;
			
			// Do stuff if TurnAngle >= 45° to the left
			else if (TurnAngle <= -8192)
			{

			}
			// Do stuff if TurnAngle >= 45° to the right
			else if (TurnAngle >= 8192)
			{

			}
			else
			{
				// Do stuff other stuff, like resetting something.
			}
		}
		else
		{
			TurnAngle = 0;
			// Do other stuff, like resetting something.
		}
		UnitHeading = get XZ_ATAN(7); // New last heading of the next iteration
	}
}
Create()
{
	...
	start-script TurnControl();
}