private static CollisionInfo GetCollisionInfo(RigidAABB rectangle, RigidCircle circle)
{
var closestPoint = GetClosestPoint(circle.Center, rectangle);
var v = closestPoint - circle.Center;
return(Vector.ScalarProduct(v, v) <= circle.Radius * circle.Radius
? new CollisionInfo(circle.Radius - v.Length, -v.Normalize(), closestPoint)
: null);
}
public Level(LevelInfo levelInfo)
{
this.levelInfo = levelInfo;
LevelSizeInTiles = levelInfo.LevelSizeInTiles;
Name = levelInfo.Name;
Exit = levelInfo.Exit;
StaticShapes = levelInfo.StaticShapes;
RaytracingEdges = levelInfo.RaytracingEdges;
NavMesh = levelInfo.NavMesh;
BotSpawnPoints = levelInfo.BotSpawnPoints;
BotPatrolPoints = levelInfo.BotPatrolPoints;
SetDynamicEntities();
}
public LevelInfo(
Size levelSizeInTiles, string name, RigidAABB exit, List <RigidShape> staticShapes,
Bitmap levelMap, List <Edge> raytracingEdges, NavMesh navMesh, List <Vector> botSpawnPoints,
int wavesAmount, EntityFactory.PlayerInfo playerInfo, List <EntityFactory.BotInfo> botsInfo,
List <CollectableWeaponInfo> collectableWeaponsInfo, List <Vector> botPatrolPoints)
{
LevelSizeInTiles = levelSizeInTiles;
Name = name;
Exit = exit;
StaticShapes = staticShapes;
LevelMap = levelMap;
RaytracingEdges = raytracingEdges;
NavMesh = navMesh;
BotSpawnPoints = botSpawnPoints;
BotPatrolPoints = botPatrolPoints;
WavesAmount = wavesAmount;
PlayerInfo = playerInfo;
BotsInfo = botsInfo;
CollectableWeaponsInfo = collectableWeaponsInfo;
}
private static Vector GetClosestPoint(Vector point, RigidAABB rectangle)
{
var result = Vector.ZeroVector;
for (var i = 0; i < 2; i++)
{
var v = point[i];
if (v < rectangle.MinPoint[i])
{
v = rectangle.MinPoint[i];
}
if (v > rectangle.MaxPoint[i])
{
v = rectangle.MaxPoint[i];
}
result[i] = v;
}
return(result);
}
private static void DrawAABB(RigidAABB shape, Pen strokePen, Graphics g)
{
g.DrawRectangle(strokePen, shape.MinPoint.X, shape.MinPoint.Y, shape.Width, shape.Height);
}
private static void DrawAABB(RigidAABB shape, Vector cameraPosition, Pen strokePen, Graphics g)
{
var inCameraPosition = shape.MinPoint.ConvertFromWorldToCamera(cameraPosition);
g.DrawRectangle(strokePen, inCameraPosition.X, inCameraPosition.Y, shape.Width, shape.Height);
}
public static LevelInfo LoadLevel(string sourcePath, Dictionary <string, TileSet> tileSets)
{
var separators = new[] { "\r\n", ",", "\n" };
var doc = new XmlDocument();
doc.Load(sourcePath);
var root = doc.DocumentElement;
var levelSizeInTiles = new Size(
int.Parse(root.GetAttribute("width")),
int.Parse(root.GetAttribute("height")));
var name = root.GetAttribute("name");
var tilesInLayerAmount = 0;
TileSet tileSet = null;
var layers = new List <Layer>();
List <RigidShape> staticShapes = null;
List <Edge> raytracingEdges = null;
var collectableWeapons = new List <CollectableWeaponInfo> {
Capacity = 8
};
EntityFactory.PlayerInfo playerInfo = null;
List <EntityFactory.BotInfo> botsInfo = null;
List <Vector> botSpawnPoints = null;
List <Vector> botPatrolPoints = null;
int wavesAmount = 0;
RigidAABB exit = null;
foreach (XmlNode node in root.ChildNodes)
{
switch (node.Name)
{
case "properties":
{
foreach (XmlNode property in node.ChildNodes)
{
if (property.Name == "exit")
{
exit = LoadRigidAABB(property);
}
if (property.Name == "collectables")
{
foreach (XmlNode collectable in property.ChildNodes)
{
if (collectable.Name == "collectableWeapon")
{
collectableWeapons.Add(LoadCollectableWeapon(collectable));
}
}
}
if (property.Name == "playerInfo")
{
playerInfo = LoadPlayerInfo(property);
}
if (property.Name == "bots")
{
botsInfo = loadBots(property);
}
if (property.Name == "botSpawnPoints")
{
wavesAmount = int.Parse(property.Attributes.GetNamedItem("wavesAmount").Value);
botSpawnPoints = LoadPoints(property);
}
if (property.Name == "botPatrolPoints")
{
botPatrolPoints = LoadPoints(property);
}
}
break;
}
case "tileset":
tileSet = tileSets[node.Attributes.GetNamedItem("source").Value];
tilesInLayerAmount = levelSizeInTiles.Width * levelSizeInTiles.Height;
break;
case "layer":
layers.Add(LoadLayer(node, separators, tilesInLayerAmount));
break;
case "objectgroup":
{
var nodeContentName = node.Attributes.GetNamedItem("name").Value;
if (nodeContentName == "StaticShapes")
{
staticShapes = LoadStaticShapes(node);
}
if (nodeContentName == "RaytracingPolygons")
{
raytracingEdges = LoadRaytracingEdges(node);
}
break;
}
}
}
var navMesh = new NavMesh(levelSizeInTiles, staticShapes);
var levelMap = RenderPipeline.RenderLevelMap(layers, tileSet, tileSet.TileSize, levelSizeInTiles);
return(new LevelInfo(
levelSizeInTiles, name, exit, staticShapes,
levelMap, raytracingEdges, navMesh, botSpawnPoints,
wavesAmount, playerInfo, botsInfo, collectableWeapons, botPatrolPoints));
}
private static float[] AreCollide(Vector objectPosition, Vector objectVelocity, RigidAABB rectangle)
{
var tMin = 0f;
var tMax = float.PositiveInfinity;
for (var i = 0; i < 2; i++)
{
if (Math.Abs(objectVelocity[i]) < 0.01 &&
(objectPosition[i] < rectangle.MinPoint[i] ||
objectPosition[i] > rectangle.MaxPoint[i]))
{
return(null);
}
var ood = 1.0f / objectVelocity[i];
var t1 = (rectangle.MinPoint[i] - objectPosition[i]) * ood;
var t2 = (rectangle.MaxPoint[i] - objectPosition[i]) * ood;
if (t1 > t2)
{
var buf = t1;
t1 = t2;
t2 = buf;
}
tMin = Math.Max(tMin, t1);
tMax = Math.Min(tMax, t2);
if (tMin > tMax)
{
return(null);
}
}
return(new[] { tMin, tMax });
}