v0.1
This commit is contained in:
Regalis
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using System;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using Microsoft.Xna.Framework.Input;
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using Subsurface.Lights;
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namespace Subsurface
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{
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class GameScreen : Screen
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{
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Camera cam;
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readonly RenderTarget2D renderTarget;
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readonly RenderTarget2D renderTargetWater;
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readonly RenderTarget2D renderTargetAir;
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readonly Sprite background, backgroundTop;
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public Camera Cam
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{
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get { return cam; }
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}
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public GameScreen(GraphicsDevice graphics)
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{
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cam = new Camera();
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cam.Translate(new Vector2(-10.0f, 50.0f));
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renderTarget = new RenderTarget2D(graphics, Game1.GraphicsWidth, Game1.GraphicsHeight);
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renderTargetWater = new RenderTarget2D(graphics, Game1.GraphicsWidth, Game1.GraphicsHeight);
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renderTargetAir = new RenderTarget2D(graphics, Game1.GraphicsWidth, Game1.GraphicsHeight);
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background = new Sprite("Content/Map/background.png", Vector2.Zero);
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backgroundTop = new Sprite("Content/Map/background2.png", Vector2.Zero);
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}
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public override void Select()
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{
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base.Select();
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foreach (MapEntity entity in MapEntity.mapEntityList)
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entity.IsHighlighted = false;
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}
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/// <summary>
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/// Allows the game to run logic such as updating the world,
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/// checking for collisions, gathering input, and playing audio.
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/// </summary>
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/// <param name="gameTime">Provides a snapshot of timing values.</param>
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public override void Update(double deltaTime)
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{
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//the accumulator code is based on this article:
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//http://gafferongames.com/game-physics/fix-your-timestep/
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Physics.accumulator += deltaTime;
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AmbientSoundManager.Update();
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//if (Game1.GameSession != null && Game1.GameSession.Level != null)
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//{
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// Vector2 targetMovement = Vector2.Zero;
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// if (PlayerInput.KeyDown(Keys.I)) targetMovement.Y += 1.0f;
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// if (PlayerInput.KeyDown(Keys.K)) targetMovement.Y -= 1.0f;
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// if (PlayerInput.KeyDown(Keys.J)) targetMovement.X -= 1.0f;
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// if (PlayerInput.KeyDown(Keys.L)) targetMovement.X += 1.0f;
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// Game1.GameSession.Submarine.ApplyForce(targetMovement * 100000.0f);
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//}
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if (Game1.GameSession!=null) Game1.GameSession.Update((float)deltaTime);
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//EventManager.Update(gameTime);
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Character.UpdateAll(cam, (float)deltaTime);
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Game1.ParticleManager.Update((float)deltaTime);
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StatusEffect.UpdateAll((float)deltaTime);
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cam.MoveCamera((float)deltaTime);
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Physics.accumulator = Math.Min(Physics.accumulator, Physics.step * 4);
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while (Physics.accumulator >= Physics.step)
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{
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foreach (PhysicsBody pb in PhysicsBody.list)
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{
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pb.SetPrevTransform(pb.Position, pb.Rotation);
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}
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MapEntity.UpdateAll(cam, (float)Physics.step);
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Character.UpdateAnimAll((float)Physics.step);
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Ragdoll.UpdateAll((float)Physics.step);
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if (Game1.GameSession != null && Game1.GameSession.Level != null) Game1.GameSession.Submarine.Update((float)Physics.step);
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Game1.World.Step((float)Physics.step);
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Level.AfterWorldStep();
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Physics.accumulator -= Physics.step;
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}
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Physics.Alpha = Physics.accumulator / Physics.step;
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}
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public override void Draw(double deltaTime, GraphicsDevice graphics, SpriteBatch spriteBatch)
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{
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//if (!Physics.updated) return;
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DrawMap(graphics, spriteBatch);
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spriteBatch.Begin();
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if (Game1.GameSession != null) Game1.GameSession.Draw(spriteBatch);
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if (Character.Controlled != null && Character.Controlled.SelectedConstruction != null)
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{
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if (Character.Controlled.SelectedConstruction == Character.Controlled.ClosestItem)
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{
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Character.Controlled.SelectedConstruction.DrawHUD(spriteBatch, Character.Controlled);
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}
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else
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{
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Character.Controlled.SelectedConstruction = null;
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}
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}
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GUI.Draw((float)deltaTime, spriteBatch, cam);
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if (PlayerInput.GetMouseState.LeftButton != ButtonState.Pressed) Inventory.draggingItem = null;
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spriteBatch.End();
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}
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public void DrawMap(GraphicsDevice graphics, SpriteBatch spriteBatch)
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{
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Game1.LightManager.DrawLightmap(graphics, spriteBatch, cam);
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//----------------------------------------------------------------------------------------
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//1. draw the background, characters and the parts of the submarine that are behind them
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//----------------------------------------------------------------------------------------
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graphics.SetRenderTarget(renderTarget);
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graphics.Clear(new Color(11, 18, 26, 255));
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spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.Opaque, SamplerState.LinearWrap);
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Vector2 backgroundPos = cam.Position;
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if (Level.Loaded != null) backgroundPos -= Level.Loaded.Position;
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backgroundPos.Y = -backgroundPos.Y;
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backgroundPos /= 20.0f;
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if (backgroundPos.Y < 1024)
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{
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if (backgroundPos.Y > -1024)
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{
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background.SourceRect = new Rectangle((int)backgroundPos.X, (int)Math.Max(backgroundPos.Y, 0), 1024, 1024);
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background.DrawTiled(spriteBatch,
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(backgroundPos.Y < 0) ? new Vector2(0.0f, -backgroundPos.Y) : Vector2.Zero,
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new Vector2(Game1.GraphicsWidth, 1024 - backgroundPos.Y),
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Vector2.Zero, Color.White);
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}
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if (backgroundPos.Y < 0)
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{
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backgroundTop.SourceRect = new Rectangle((int)backgroundPos.X, (int)backgroundPos.Y, 1024, (int)Math.Min(-backgroundPos.Y, 1024));
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backgroundTop.DrawTiled(spriteBatch, Vector2.Zero, new Vector2(Game1.GraphicsWidth, Math.Min(-backgroundPos.Y, Game1.GraphicsHeight)),
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Vector2.Zero, Color.White);
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}
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}
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spriteBatch.End();
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spriteBatch.Begin(SpriteSortMode.BackToFront,
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BlendState.AlphaBlend,
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null, null, null, null,
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cam.Transform);
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Submarine.DrawBack(spriteBatch);
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foreach (Character c in Character.CharacterList) c.Draw(spriteBatch);
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spriteBatch.End();
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//----------------------------------------------------------------------------------------
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//draw the rendertarget and particles that are only supposed to be drawn in water into renderTargetWater
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graphics.SetRenderTarget(renderTargetWater);
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spriteBatch.Begin(SpriteSortMode.Immediate,
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BlendState.AlphaBlend);
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spriteBatch.Draw(renderTarget, new Rectangle(0, 0, Game1.GraphicsWidth, Game1.GraphicsHeight), Color.White);
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spriteBatch.End();
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BlendState blend = new BlendState();
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blend.AlphaSourceBlend = Blend.One;
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blend.AlphaDestinationBlend = Blend.InverseSourceAlpha;
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spriteBatch.Begin(SpriteSortMode.Immediate,
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BlendState.AlphaBlend,
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null, DepthStencilState.DepthRead, null, null,
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cam.Transform);
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Game1.ParticleManager.Draw(spriteBatch, true);
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spriteBatch.End();
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//----------------------------------------------------------------------------------------
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//draw the rendertarget and particles that are only supposed to be drawn in air into renderTargetAir
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graphics.SetRenderTarget(renderTargetAir);
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spriteBatch.Begin(SpriteSortMode.Immediate,
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BlendState.AlphaBlend);
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spriteBatch.Draw(renderTarget, new Rectangle(0, 0, Game1.GraphicsWidth, Game1.GraphicsHeight), Color.White);
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spriteBatch.End();
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spriteBatch.Begin(SpriteSortMode.Immediate,
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BlendState.AlphaBlend,
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null, DepthStencilState.DepthRead, null, null,
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cam.Transform);
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Game1.ParticleManager.Draw(spriteBatch, false);
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spriteBatch.End();
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graphics.SetRenderTarget(null);
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//----------------------------------------------------------------------------------------
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//2. pass the renderTarget to the water shader to do the water effect
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//----------------------------------------------------------------------------------------
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Hull.renderer.RenderBack(graphics, renderTargetWater, Cam.ShaderTransform);
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Array.Clear(Hull.renderer.vertices, 0, Hull.renderer.vertices.Length);
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Hull.renderer.positionInBuffer = 0;
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foreach (Hull hull in Hull.hullList)
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{
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hull.Render(graphics, cam);
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}
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Hull.renderer.Render(graphics, cam, renderTargetAir, Cam.ShaderTransform);
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if (Game1.GameSession != null && Game1.GameSession.Level != null)
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{
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Game1.GameSession.Level.Render(graphics, cam);
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Game1.GameSession.Level.SetObserverPosition(cam.WorldViewCenter);
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}
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if (Game1.LightManager.LightingEnabled)
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{
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//multiply scene with lightmap
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spriteBatch.Begin(SpriteSortMode.Immediate, CustomBlendStates.Multiplicative);
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spriteBatch.Draw(Game1.LightManager.LightMap, Vector2.Zero, Color.White);
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spriteBatch.End();
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}
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//----------------------------------------------------------------------------------------
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//3. draw the sections of the map that are on top of the water
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//----------------------------------------------------------------------------------------
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spriteBatch.Begin(SpriteSortMode.BackToFront,
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BlendState.AlphaBlend, SamplerState.LinearWrap,
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null, null, null,
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cam.Transform);
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Submarine.DrawFront(spriteBatch);
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foreach (Character c in Character.CharacterList) c.DrawFront(spriteBatch);
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if (Game1.GameSession != null && Game1.GameSession.Level != null)
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{
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Game1.GameSession.Level.Draw(spriteBatch);
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//Game1.GameSession.Level.SetObserverPosition(cam.WorldViewCenter);
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}
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spriteBatch.End();
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Game1.LightManager.DrawLOS(graphics, cam, LightManager.ViewPos);
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}
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}
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}
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