I currently am using the performance script from the island demo to help with game performance.
I currently have 7 different terrains that make up the world of the game.
how do i modify that performance script to recognize each of the terrains and tweak performance accordingly.
var fpsCounter : FPSCounter;
var water : IslandWater;
var terrain : Terrain;
var messageTime = 10.0;
var scrollTime = 0.7;
private var messages = new Array();
private var times = new Array();
private var lastTime = 0.0;
private var doneNotes = false;
private var origDetailDist = 0.0;
private var origSplatDist = 0.0;
private var origTreeDist = 0.0;
private var origMaxLOD = 0;
private var softVegetationOff = false;
private var splatmapsOff = false;
private var lowFPS = 15.0;
private var skipChangesTimeout = 1.0;
private var nextTerrainChange = 0;
function Start()
{
if( !fpsCounter || !water || !terrain ) {
Debug.LogWarning("Some of performance objects are not set up");
enabled = false;
return;
}
origDetailDist = terrain.detailObjectDistance;
origSplatDist = terrain.basemapDistance;
origTreeDist = terrain.treeDistance;
origMaxLOD = terrain.heightmapMaximumLOD;
skipChangesTimeout = 0.0;
}
function Update ()
{
if( !fpsCounter || !water || !terrain )
return;
if( !doneNotes !Application.isEditor )
{
var hwWater = water.FindHardwareWaterSupport();
if( hwWater == IslandWater.WaterMode.Simple )
{
AddMessage( "Note: water reflections not supported on this computer" );
// in this case it also happens that terrain splat maps are not supported :)
AddMessage( "Note: high detail terrain textures not supported on this computer" );
splatmapsOff = true;
}
if( hwWater == IslandWater.WaterMode.Reflective )
AddMessage( "Note: water refractions not supported on this computer" );
var gfxCard = SystemInfo.graphicsDeviceName.ToLower();
var gfxVendor = SystemInfo.graphicsDeviceVendor.ToLower();
if( gfxVendor.Contains("intel") )
{
// on pre-GMA950, increase fog and reduce far plane by 4x :)
if( hwWater == IslandWater.WaterMode.Simple )
{
ReduceDrawDistance( 4.0, "Note: reducing draw distance (old Intel video card detected)" );
}
softVegetationOff = true;
QualitySettings.softVegetation = false;
AddMessage( "Note: turning off soft vegetation (Intel video card detected)" );
}
else if( gfxVendor == "sis" )
{
softVegetationOff = true;
QualitySettings.softVegetation = false;
AddMessage( "Note: turning off soft vegetation (SIS video card detected)" );
}
else if( gfxCard.Contains("geforce") (
gfxCard.Contains("5200") || gfxCard.Contains("5500") || gfxCard.Contains("6100") || hwWater == IslandWater.WaterMode.Simple) )
{
// on slow/old geforce cards, increase fog and reduce far plane by 2x
ReduceDrawDistance( 2.0, "Note: reducing draw distance (slow GeForce card detected)" );
softVegetationOff = true;
QualitySettings.softVegetation = false;
AddMessage( "Note: turning off soft vegetation (slow GeForce card detected)" );
}
else
{
// on other old cards, increase fog and reduce far plane by 2x
if( hwWater == IslandWater.WaterMode.Simple )
{
ReduceDrawDistance( 2.0, "Note: reducing draw distance (old video card detected)" );
}
}
skipChangesTimeout = 0.0;
doneNotes = true;
}
DoTweaks();
UpdateMessages();
}
function ReduceDrawDistance( factor : float, message : String )
{
AddMessage( message );
var underwater : UnderwaterEffects;
underwater = FindObjectOfType(UnderwaterEffects);
RenderSettings.fogDensity *= factor;
if( underwater )
{
underwater.uDensity *= factor;
underwater.aDensity *= factor;
}
Camera.main.farClipPlane /= factor;
}
function OnDisable()
{
QualitySettings.softVegetation = true;
}
function DoTweaks()
{
if( !fpsCounter.HasFPS() )
return; // enough time did not pass yet to get decent FPS count
var hwWater = water.FindHardwareWaterSupport();
var fps : float = fpsCounter.GetFPS();
// don't do too many adjustments at time... allow one per
// FPS update interval
skipChangesTimeout -= Time.deltaTime;
if( skipChangesTimeout < 0.0 )
skipChangesTimeout = 0.0;
if( skipChangesTimeout > 0.0 )
return;
// water tweaks
var curWater = water.GetWaterMode();
if( fps > 35.0 )
{
// frame rate high, use refractions | reflections
if( hwWater == IslandWater.WaterMode.Refractive curWater < IslandWater.WaterMode.Refractive ) {
water.m_WaterMode = IslandWater.WaterMode.Refractive;
AddMessage( "Framerate high, turning water refractions on" );
return;
}
if( hwWater == IslandWater.WaterMode.Reflective curWater < IslandWater.WaterMode.Reflective ) {
water.m_WaterMode = IslandWater.WaterMode.Reflective;
AddMessage( "Framerate high, turning water reflections on" );
return;
}
}
else if( fps > 25.0 )
{
// frame rate sort of high, can use water reflections
if( hwWater > IslandWater.WaterMode.Simple curWater == IslandWater.WaterMode.Simple ) {
water.m_WaterMode = IslandWater.WaterMode.Reflective;
AddMessage( "Framerate ok, turning water reflections on" );
return;
}
}
else if( fps < 10.0 )
{
// frame rate very low, turn water to simple
if( curWater > IslandWater.WaterMode.Simple ) {
water.m_WaterMode = IslandWater.WaterMode.Simple;
AddMessage( "Framerate very low, turning water reflections off" );
return;
}
}
else if( fps < 25.0 )
{
// frame rate sort of low, use reflections only
if( curWater > IslandWater.WaterMode.Reflective ) {
water.m_WaterMode = IslandWater.WaterMode.Reflective;
AddMessage( "Framerate low, turning water refractions off" );
return;
}
}
// terrain tweaks
if( fps > 25.0 )
{
// bump up!
++nextTerrainChange;
if( nextTerrainChange >= 4 )
nextTerrainChange = 0;
if( nextTerrainChange == 0 terrain.detailObjectDistance < origDetailDist )
{
terrain.detailObjectDistance *= 2.0;
if( !softVegetationOff )
QualitySettings.softVegetation = true;
AddMessage( "Framerate ok, increasing vegetation detail" );
return;
}
if( nextTerrainChange == 1 !splatmapsOff terrain.basemapDistance < origSplatDist )
{
terrain.basemapDistance *= 2.0;
AddMessage( "Framerate ok, increasing terrain texture detail" );
return;
}
if( nextTerrainChange == 2 terrain.treeDistance < origTreeDist )
{
terrain.treeDistance *= 2.0;
AddMessage( "Framerate ok, increasing tree draw distance" );
return;
}
if( nextTerrainChange == 3 terrain.heightmapMaximumLOD > origMaxLOD )
{
--terrain.heightmapMaximumLOD;
AddMessage( "Framerate ok, increasing terrain detail" );
return;
}
}
if( fps < lowFPS )
{
// lower it
++nextTerrainChange;
if( nextTerrainChange >= 4 ) {
nextTerrainChange = 0;
lowFPS = 10.0; // ok, this won't be fast...
}
if( nextTerrainChange == 0 terrain.detailObjectDistance >= origDetailDist / 16.0 ) {
terrain.detailObjectDistance *= 0.5;
QualitySettings.softVegetation = false;
AddMessage( "Framerate low, reducing vegetation detail" );
return;
}
if( nextTerrainChange == 1 !splatmapsOff terrain.basemapDistance >= origSplatDist / 16.0 )
{
terrain.basemapDistance *= 0.5;
AddMessage( "Framerate low, reducing terrain texture detail" );
return;
}
if( nextTerrainChange == 2 terrain.treeDistance >= origTreeDist / 16.0 )
{
terrain.treeDistance *= 0.5;
AddMessage( "Framerate low, reducing tree draw distance" );
return;
}
if( nextTerrainChange == 3 terrain.heightmapMaximumLOD < 1 )
{
++terrain.heightmapMaximumLOD;
AddMessage( "Framerate low, reducing terrain detail" );
return;
}
}
}
function AddMessage( t : String )
{
messages.Add( t );
times.Add( messageTime );
lastTime = scrollTime;
skipChangesTimeout = fpsCounter.updateInterval * 3.0;
}
function UpdateMessages()
{
var dt = Time.deltaTime;
for( var t in times )
t -= dt;
while( times.length > 0 times[0] < 0.0 ) {
times.Shift();
messages.Shift();
}
lastTime -= dt;
if( lastTime < 0.0 )
lastTime = 0.0;
}
function OnGUI()
{
var height = 15;
var n : int = messages.length;
var rc = Rect( 2, Screen.height - 2 - n * height + (lastTime/scrollTime*height), 600, 20 );
for( var i = 0; i < n; ++i )
{
var text : String = messages[i];
var time : float = times[i];
var alpha = time / messageTime;
if( alpha < 0.2 )
GUI.color.a = alpha / 0.2;
else if( alpha > 0.9 )
GUI.color.a = 1.0 - (alpha-0.9) / (1-0.9);
else
GUI.color.a = 1.0;
GUI.Label( rc, text );
rc.y += height;
}
}
thanks
