/// <summary>
/// Prep work before screen is painted
/// </summary>
/// <param name="gd"></param>
/// <param name="state"></param>
public void PreDraw(GraphicsDevice gd, WorldState state)
{
var pxOffset = -state.WorldSpace.GetScreenOffset();
var damage = Blueprint.Damage;
var _2d = state._2D;
/**
* Tasks:
* If zoom or rotation has changed, redraw all static layers
* If scroll has changed, redraw static layer if the scroll is outwith the buffered region
* If architecture has changed, redraw appropriate static layer
* If there is a new object in the static layer, redraw the static layer
* If an objects in the static layer has changed, redraw the static layer and move the object to the dynamic layer
* If wall visibility has changed, redraw wall layer (should think about how this works with breakthrough wall mode
*/
var redrawStaticObjects = false;
var redrawFloor = false;
var redrawWall = false;
var recacheWalls = false;
var recacheFloors = false;
var recacheTerrain = false;
var recacheObjects = false;
if (TicksSinceLight++ > 60 * 4)
{
damage.Add(new BlueprintDamage(BlueprintDamageType.LIGHTING_CHANGED));
}
WorldObjectRenderInfo info = null;
foreach (var item in damage)
{
switch (item.Type)
{
case BlueprintDamageType.ROTATE:
case BlueprintDamageType.ZOOM:
case BlueprintDamageType.LEVEL_CHANGED:
recacheObjects = true;
recacheWalls = true;
recacheFloors = true;
recacheTerrain = true;
break;
case BlueprintDamageType.SCROLL:
if (StaticObjects == null || StaticObjects.PxOffset != GetScrollIncrement(pxOffset))
{
redrawFloor = true;
redrawWall = true;
redrawStaticObjects = true;
}
break;
case BlueprintDamageType.LIGHTING_CHANGED:
redrawFloor = true;
redrawWall = true;
redrawStaticObjects = true;
Blueprint.GenerateRoomLights();
state.OutsideColor = Blueprint.RoomColors[1];
state._3D.RoomLights = Blueprint.RoomColors;
state._2D.AmbientLight.SetData(Blueprint.RoomColors);
TicksSinceLight = 0;
break;
case BlueprintDamageType.OBJECT_MOVE:
/** Redraw if its in static layer **/
info = GetRenderInfo(item.Component);
if (info.Layer == WorldObjectRenderLayer.STATIC)
{
recacheObjects = true;
info.Layer = WorldObjectRenderLayer.DYNAMIC;
}
if (item.Component is ObjectComponent)
{
((ObjectComponent)item.Component).DynamicCounter = 0;
}
break;
case BlueprintDamageType.OBJECT_GRAPHIC_CHANGE:
/** Redraw if its in static layer **/
info = GetRenderInfo(item.Component);
if (info.Layer == WorldObjectRenderLayer.STATIC)
{
recacheObjects = true;
info.Layer = WorldObjectRenderLayer.DYNAMIC;
}
if (item.Component is ObjectComponent)
{
((ObjectComponent)item.Component).DynamicCounter = 0;
}
break;
case BlueprintDamageType.OBJECT_RETURN_TO_STATIC:
info = GetRenderInfo(item.Component);
if (info.Layer == WorldObjectRenderLayer.DYNAMIC)
{
recacheObjects = true;
info.Layer = WorldObjectRenderLayer.STATIC;
}
break;
case BlueprintDamageType.WALL_CUT_CHANGED:
recacheWalls = true;
break;
case BlueprintDamageType.ROOF_STYLE_CHANGED:
Blueprint.RoofComp.StyleDirty = true;
break;
case BlueprintDamageType.FLOOR_CHANGED:
case BlueprintDamageType.WALL_CHANGED:
recacheTerrain = true;
recacheFloors = true;
recacheWalls = true;
Blueprint.RoofComp.ShapeDirty = true;
break;
}
if (recacheFloors || recacheTerrain)
{
redrawFloor = true;
}
if (recacheWalls)
{
redrawWall = true;
}
if (recacheObjects)
{
redrawStaticObjects = true;
}
}
damage.Clear();
var tileOffset = state.WorldSpace.GetTileFromScreen(-pxOffset);
//scroll buffer loads in increments of SCROLL_BUFFER
var newOff = GetScrollIncrement(pxOffset);
var oldCenter = state.CenterTile;
state.CenterTile += state.WorldSpace.GetTileFromScreen(newOff - pxOffset); //offset the scroll to the position of the scroll buffer.
tileOffset = state.CenterTile;
pxOffset = newOff;
if (recacheTerrain)
{
Blueprint.Terrain.RegenTerrain(gd, state, Blueprint);
}
if (recacheWalls)
{
_2d.Pause();
_2d.Resume(); //clear the sprite buffer before we begin drawing what we're going to cache
Blueprint.WallComp.Draw(gd, state);
ClearDrawBuffer(StaticWallCache);
_2d.End(StaticWallCache, true);
}
if (recacheFloors)
{
_2d.Pause();
_2d.Resume(); //clear the sprite buffer before we begin drawing what we're going to cache
Blueprint.FloorComp.Draw(gd, state);
ClearDrawBuffer(StaticFloorCache);
_2d.End(StaticFloorCache, true);
}
if (redrawFloor)
{
/** Draw archetecture to a texture **/
Promise <Texture2D> bufferTexture = null;
Promise <Texture2D> depthTexture = null;
using (var buffer = state._2D.WithBuffer(BUFFER_FLOOR_PIXEL, ref bufferTexture, BUFFER_FLOOR_DEPTH, ref depthTexture))
{
_2d.SetScroll(pxOffset);
while (buffer.NextPass())
{
_2d.RenderCache(StaticFloorCache);
Blueprint.Terrain.DepthMode = _2d.OutputDepth;
Blueprint.Terrain.Draw(gd, state);
}
}
StaticFloor = new ScrollBuffer(bufferTexture.Get(), depthTexture.Get(), pxOffset, new Vector3(tileOffset, 0));
}
if (redrawWall)
{
Promise <Texture2D> bufferTexture = null;
Promise <Texture2D> depthTexture = null;
using (var buffer = state._2D.WithBuffer(BUFFER_WALL_PIXEL, ref bufferTexture, BUFFER_WALL_DEPTH, ref depthTexture))
{
_2d.SetScroll(pxOffset);
while (buffer.NextPass())
{
_2d.RenderCache(StaticWallCache);
}
}
StaticWall = new ScrollBuffer(bufferTexture.Get(), depthTexture.Get(), pxOffset, new Vector3(tileOffset, 0));
}
if (recacheObjects)
{
_2d.Pause();
_2d.Resume();
foreach (var obj in Blueprint.Objects)
{
if (obj.Level > state.Level)
{
continue;
}
var renderInfo = GetRenderInfo(obj);
if (renderInfo.Layer == WorldObjectRenderLayer.STATIC)
{
var tilePosition = obj.Position;
_2d.OffsetPixel(state.WorldSpace.GetScreenFromTile(tilePosition));
_2d.OffsetTile(tilePosition);
_2d.SetObjID(obj.ObjectID);
obj.Draw(gd, state);
}
}
ClearDrawBuffer(StaticObjectsCache);
_2d.End(StaticObjectsCache, true);
}
if (redrawStaticObjects)
{
/** Draw static objects to a texture **/
Promise <Texture2D> bufferTexture = null;
Promise <Texture2D> depthTexture = null;
using (var buffer = state._2D.WithBuffer(BUFFER_STATIC_OBJECTS_PIXEL, ref bufferTexture, BUFFER_STATIC_OBJECTS_DEPTH, ref depthTexture))
{
_2d.SetScroll(pxOffset);
while (buffer.NextPass())
{
_2d.RenderCache(StaticObjectsCache);
}
}
StaticObjects = new ScrollBuffer(bufferTexture.Get(), depthTexture.Get(), pxOffset, new Vector3(tileOffset, 0));
}
state.CenterTile = oldCenter; //revert to our real scroll position
}
