--
-- revLimiter
-- Specialization for farmer car mod
--
-- @author  Stefan Geiger
-- @date  10/01/09
--
-- Copyright (C) GIANTS Software GmbH, Confidential, All Rights Reserved.

revLimiter = {};

function revLimiter.prerequisitesPresent(specializations)
    return SpecializationUtil.hasSpecialization(Motorized, specializations);
end;

function revLimiter:load(xmlFile)
    local motorMinRpm = Utils.getNoNil(getXMLFloat(xmlFile, "vehicle.motor#minRpm"), 1000);
    local motorMaxRpmStr = getXMLString(xmlFile, "vehicle.motor#maxRpm");
    local motorMaxRpm1, motorMaxRpm2, motorMaxRpm3 = Utils.getVectorFromString(motorMaxRpmStr);
    motorMaxRpm1 = Utils.getNoNil(motorMaxRpm1, 800);
    motorMaxRpm2 = Utils.getNoNil(motorMaxRpm2, 1000);
    motorMaxRpm3 = Utils.getNoNil(motorMaxRpm3, 1800);
    local motorMaxRpm = {motorMaxRpm1, motorMaxRpm2, motorMaxRpm3};
    self.motorMaxRpmLimit = motorMaxRpm;
end;

function revLimiter:delete()
end;

function revLimiter:mouseEvent(posX, posY, isDown, isUp, button)
end;

function revLimiter:keyEvent(unicode, sym, modifier, isDown)
end;

function revLimiter:update(dt)
    if self:getIsActiveForInput() and self.isEntered then
	    if self.motor.speedLevel ~= 0 then
            if InputBinding.isPressed(InputBinding.ACCELERATE) then
		        if self.motor.maxRpm[self.motor.speedLevel] <= (self.motorMaxRpmLimit[3] - 10) then
		            self.motor.maxRpm[self.motor.speedLevel] = self.motor.maxRpm[self.motor.speedLevel] + 10;
			    end;
		    elseif InputBinding.isPressed(InputBinding.DECELERATE) then
		        if self.motor.maxRpm[self.motor.speedLevel] >= 10 then
			        self.motor.maxRpm[self.motor.speedLevel] = self.motor.maxRpm[self.motor.speedLevel] - 10;
			    end;
	    	end;
		else
            if InputBinding.isPressed(InputBinding.ACCELERATE) then
		        if self.motor.maxRpm[3] <= (self.motorMaxRpmLimit[3] - 10) then
		            self.motor.maxRpm[3] = self.motor.maxRpm[3] + 10;
			    end;
		    elseif InputBinding.isPressed(InputBinding.DECELERATE) then
		        if self.motor.maxRpm[3] >= 10 then
			        self.motor.maxRpm[3] = self.motor.maxRpm[3] - 10;
			    end;
	    	end;
		end;
	end;
end;

function revLimiter:draw()
    if self.motor.speedLevel ~= 0 then
            g_currentMission:addExtraPrintText("Taste NUM +/-:   "..string.format("%d RPM",self.motor.maxRpm[self.motor.speedLevel]).."");
	else
            g_currentMission:addExtraPrintText("Taste NUM +/-:   "..string.format("%d RPM",self.motor.maxRpm[3]).."");
	end;
end;