/// <summary>
/// Draw all projectiles
/// </summary>
public void Draw(GraphicsDevice gd, RenderTechnique technique,
Vector3 cameraPosition, Matrix viewProjection, LightList lights)
{
// draw all projectiles
foreach(Projectile p in projectiles)
p.Draw(game, gd, technique, cameraPosition, viewProjection, lights);
}
/// <summary>
/// Draw powerup
/// </summary>
public void Draw(GameManager game, GraphicsDevice gd,
RenderTechnique technique, Vector3 cameraPosition,
Matrix viewProjection, LightList lights)
{
if (game == null)
{
throw new ArgumentNullException("game");
}
// if now waiting to respawn
if (waitTime == 0)
{
// draw powerup model
game.DrawModel(gd, model, technique, cameraPosition,
bobbing * transform, viewProjection, lights);
}
}
/// <summary>
/// Draw projectile
/// </summary>
public void Draw(GameManager game, GraphicsDevice gd,
RenderTechnique defaultTechnique, Vector3 cameraPosition,
Matrix viewProjection, LightList lights)
{
if (game == null)
{
throw new ArgumentNullException("game");
}
if (technique == RenderTechnique.ViewMapping)
{
game.DrawModel(gd, model, technique,
cameraPosition, transform, viewProjection, null);
}
else
{
game.DrawModel(gd, model, defaultTechnique,
cameraPosition, transform, viewProjection, lights);
}
}
// called before screen shows
public override void SetFocus(ContentManager content, bool focus)
{
// if getting focus
if (focus == true)
{
// load all resources
confirmed[0] = false;
confirmed[1] = (gameManager.GameMode == GameMode.SinglePlayer);
rotation[0] = Matrix.Identity;
rotation[1] = Matrix.Identity;
lights = LightList.Load("content/screens/player_lights.xml");
for (int i = 0; i < NumberShips; i++)
{
shipModels[i] = content.Load<Model>(
"ships/" + ships[i]);
FixupShip(shipModels[i], "ships/" + ships[i]);
}
padModel = content.Load<Model>("ships/pad");
padHaloModel = content.Load<Model>("ships/pad_halo");
padSelectModel = content.Load<Model>("ships/pad_select");
textureChangeShip = content.Load<Texture2D>(
"screens/change_ship");
textureRotateShip = content.Load<Texture2D>(
"screens/rotate_ship");
textureSelectBack = content.Load<Texture2D>(
"screens/select_back");
textureSelectCancel = content.Load<Texture2D>(
"screens/select_cancel");
textureInvertYCheck = content.Load<Texture2D>(
"screens/inverty_check");
textureInvertYUncheck = content.Load<Texture2D>(
"screens/inverty_uncheck");
}
else // loosing focus
{
// free all resources
lights = null;
for (int i = 0; i < NumberShips; i++)
shipModels[i] = null;
padModel = null;
padHaloModel = null;
padSelectModel = null;
textureChangeShip = null;
textureRotateShip = null;
textureSelectBack = null;
textureSelectCancel = null;
textureInvertYCheck = null;
textureInvertYUncheck = null;
}
}
// called before screen shows
public override void SetFocus(ContentManager content, bool focus)
{
// if getting focus
if (focus)
{
// load all resources
int winner = gameManager.PlayerWinner;
shipModel = content.Load<Model>("ships/" +
gameManager.GetPlayerShip(winner));
padModel = content.Load<Model>("ships/pad");
padHaloModel = content.Load<Model>("ships/pad_halo");
lights = LightList.Load("content/screens/end_lights.xml");
textureContinue = content.Load<Texture2D>("screens/continue");
if (winner == 0)
texturePlayerWin = content.Load<Texture2D>(
"screens/player1_wins");
else
texturePlayerWin = content.Load<Texture2D>(
"screens/player2_wins");
}
else // loosing focus
{
// free all resources
shipModel = null;
padModel = null;
padHaloModel = null;
lights = null;
textureContinue = null;
texturePlayerWin = null;
}
}
/// <summary>
/// Unload game files
/// </summary>
public void UnloadFiles()
{
// unload level
levelColor = null;
levelCollision = null;
levelSpawns = null;
levelLights = null;
// unload poasticles
particleTextures = null;
// unload animated sprites
animatedSpriteTextures = null;
// unload projectiles
projectileModels = null;
// unload powerups
powerupModels = null;
// unload players
for (int i = 0; i < GameOptions.MaxPlayers; i++)
{
// must displose player so that it releases its effects
if (players[i] != null)
players[i].Dispose();
players[i] = null;
}
// unload hud
hudCrosshair = null;
hudEnergy = null;
hudMissile = null;
hudScore = null;
hudBars = null;
// unload damage texture
damageTexture = null;
// unload powerups
powerup.Clear();
}
/// <summary>
/// Load the game files (level, ships, wepons, etc...)
/// </summary>
public void LoadFiles(ContentManager content)
{
String level = levelFile + "/" + levelFile;
// load level model
levelColor = content.Load<Model>("levels/" + level);
// load collision model
Model collisionModel = content.Load<Model>(
"levels/" + level + "_collision");
levelCollision = new CollisionMesh(collisionModel,
GameOptions.CollisionMeshSubdivisions);
collisionModel = null;
// load spawns and lights
levelSpawns = EntityList.Load("content/levels/" + level + "_spawns.xml");
levelLights = LightList.Load("content/levels/" + level + "_lights.xml");
// load particle textures
if (particleTextures == null)
{
int i, j = particleFiles.GetLength(0);
particleTextures = new Texture2D[j];
for (i = 0; i < j; i++)
particleTextures[i] = content.Load<Texture2D>(
"particles/" + particleFiles[i]);
}
// load animated sprite textures
if (animatedSpriteTextures == null)
{
int i, j = animatedSpriteFiles.GetLength(0);
animatedSpriteTextures = new Texture2D[j];
for (i = 0; i < j; i++)
animatedSpriteTextures[i] = content.Load<Texture2D>(
"explosions/" + animatedSpriteFiles[i]);
}
// load projectile models
if (projectileModels == null)
{
int i, j = projectileFiles.GetLength(0);
projectileModels = new Model[j];
for (i = 0; i < j; i++)
projectileModels[i] = content.Load<Model>(
"projectiles/" + projectileFiles[i]);
}
// load powerup models
if (powerupModels == null)
{
int i, j = powerupFiles.GetLength(0);
powerupModels = new Model[j];
for (i = 0; i < j; i++)
powerupModels[i] = content.Load<Model>(
"powerups/" + powerupFiles[i]);
}
// cerate players
for (int i = 0; i < GameOptions.MaxPlayers; i++)
if (shipFile[i] != null)
{
Model ShipModel = content.Load<Model>(
"ships/" + shipFile[i]);
EntityList ShipEnities = EntityList.Load(
"content/ships/" + shipFile[i] + ".xml");
players[i] = new PlayerShip(this, i,
ShipModel, ShipEnities, GameOptions.CollisionBoxRadius);
}
else
players[i] = null;
// create powerups
EntityList powerups = EntityList.Load(
"content/levels/" + level + "_powerups.xml");
foreach (Entity entity in powerups.Entities)
{
switch (entity.name)
{
case "energy":
AddPowerup(PowerupType.Energy, entity.transform);
break;
case "missile":
AddPowerup(PowerupType.Missile, entity.transform);
break;
}
}
// load hud textures
if (gameMode == GameMode.SinglePlayer)
{
hudCrosshair = content.Load<Texture2D>(
"screens/hud_sp_crosshair");
hudEnergy = content.Load<Texture2D>(
"screens/hud_sp_energy");
hudMissile = content.Load<Texture2D>(
"screens/hud_sp_missile");
hudScore = content.Load<Texture2D>(
"screens/hud_sp_score");
hudBars = content.Load<Texture2D>(
"screens/hud_sp_bars");
}
else
{
hudCrosshair = content.Load<Texture2D>(
"screens/hud_mp_crosshair");
hudEnergy = content.Load<Texture2D>(
"screens/hud_mp_energy");
hudMissile = content.Load<Texture2D>(
"screens/hud_mp_missile");
hudScore = content.Load<Texture2D>(
"screens/hud_mp_score");
hudBars = content.Load<Texture2D>(
"screens/hud_mp_bars");
}
// load damage indicator texture
damageTexture = content.Load<Texture2D>("screens/damage");
}
/// <summary>
/// Draw a model using given technique and camera settings
#endregion
/// </summary>
public void DrawModel(GraphicsDevice gd, Model model,
RenderTechnique technique, Vector3 cameraPosition,
Matrix world, Matrix viewProjection, LightList lights)
{
if (gd == null)
{
throw new ArgumentNullException("gd");
}
// get model bones
model.CopyAbsoluteBoneTransformsTo(bones);
BlendState bs = gd.BlendState;
DepthStencilState ds = gd.DepthStencilState;
gd.DepthStencilState = DepthStencilState.DepthRead;
gd.BlendState = BlendState.Additive;
// for each mesh in model
foreach (ModelMesh mesh in model.Meshes)
{
// get mesh world matrix
Matrix worldBone = bones[mesh.ParentBone.Index] * world;
Matrix worldBoneInverse = Matrix.Invert(worldBone);
// compute camera position in object space
Vector3 cameraObjectSpace = cameraPosition - worldBone.Translation;
cameraObjectSpace = Vector3.TransformNormal(cameraObjectSpace,
worldBoneInverse);
gd.SamplerStates[0] = SamplerState.LinearWrap;
// for each mesh part
foreach (ModelMeshPart meshPart in mesh.MeshParts)
{
// if primitives to render
if (meshPart.PrimitiveCount > 0)
{
// setup vertices and indices
gd.SetVertexBuffer(meshPart.VertexBuffer);
gd.Indices = meshPart.IndexBuffer;
// setup effect
Effect effect = meshPart.Effect;
effect.Parameters["WorldViewProj"].SetValue(worldBone * viewProjection);
effect.Parameters["CameraPosition"].SetValue(cameraObjectSpace);
// setup technique
effect.CurrentTechnique =
meshPart.Effect.Techniques[(int)technique];
// if not lights specified
if (lights == null)
{
// begin effect
effect.CurrentTechnique.Passes[0].Apply();
// draw with plain mapping
gd.DrawIndexedPrimitives(PrimitiveType.TriangleList,
meshPart.VertexOffset, 0, meshPart.NumVertices,
meshPart.StartIndex, meshPart.PrimitiveCount);
gd.SetVertexBuffer(null);
gd.Indices = null;
}
else
{
gd.DepthStencilState = DepthStencilState.Default;
gd.BlendState = BlendState.Opaque;
// get light effect parameters
EffectParameter effectLightPosition =
effect.Parameters[1];
EffectParameter effectLightColor =
effect.Parameters[2];
EffectParameter effectLightAmbient =
effect.Parameters[3];
// ambient light
Vector3 ambient = lights.ambient;
// for each light
foreach (Light light in lights.lights)
{
// setup light in effect
effectLightAmbient.SetValue(ambient);
light.SetEffect(effectLightPosition,
effectLightColor, worldBoneInverse);
// begin effect
effect.CurrentTechnique.Passes[0].Apply();
// draw primitives
gd.DrawIndexedPrimitives(PrimitiveType.TriangleList,
meshPart.VertexOffset, 0, meshPart.NumVertices,
meshPart.StartIndex, meshPart.PrimitiveCount);
// setup additive blending with no depth write
gd.DepthStencilState = DepthStencilState.DepthRead;
gd.BlendState = BlendState.Additive;
// clear ambinet light (applied in first pass only)
ambient = Vector3.Zero;
}
// clear vertices and indices
gd.SetVertexBuffer(null);
gd.Indices = null;
}
}
}
}
gd.DepthStencilState = ds;
gd.BlendState = bs;
}
/// <summary>
/// Draw a projectile
/// </summary>
public void DrawProjectile(GraphicsDevice gd, ProjectileType p,
RenderTechnique technique, Vector3 cameraPosition,
Matrix world, Matrix viewProjection, LightList lights)
{
DrawModel(gd, projectileModels[(int)p], technique,
cameraPosition, world, viewProjection, lights);
}
/// <summary>
/// Renders the player ship model and
/// blaster and missile if available and charged
/// </summary>
public void Draw(GraphicsDevice gd, RenderTechnique technique,
Vector3 cameraPosition, Matrix viewProjection, LightList lights)
{
// if not dead
if (deadTime == 0.0f)
{
// render ship model
gameManager.DrawModel(gd, shipModel, technique, cameraPosition,
bobbing * transform, viewProjection, lights);
}
}