268 lines
10 KiB
C#
268 lines
10 KiB
C#
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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//if (Game1.gameSession == null) Game1.gameSession = new GameSession("",false, TimeSpan.Zero);
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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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//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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//foreach (MapEntity e in Structure.mapEntityList)
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//{
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// e.Move(targetMovement);
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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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//Physics.updated = false;
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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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Game1.world.Step((float)Physics.step);
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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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/// <summary>
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/// This is called when the game should draw itself.
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/// </summary>
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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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//----------------------------------------------------------------------------------------
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//2. draw the HUD on top of everything
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//----------------------------------------------------------------------------------------
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spriteBatch.Begin();
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if (Game1.GameSession != null) Game1.GameSession.Draw(spriteBatch);
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//EventManager.DrawInfo(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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//----------------------------------------------------------------------------------------
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//1. draw the characters and the parts of the map that are behind them
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//----------------------------------------------------------------------------------------
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//cam.UpdateTransform();
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//----------------------------------------------------------------------------------------
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//draw the map and characters to a rendertarget
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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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int x = (int)(cam.Position.X / 20.0f);
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int y = (int)((-cam.Position.Y+5000) / 20.0f);
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if (y<1024)
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{
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if (y>-1024)
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{
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background.SourceRect = new Rectangle(x, Math.Max(y,0), 1024, 1024);
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background.DrawTiled(spriteBatch, (y<0) ? new Vector2(0.0f, -y) : Vector2.Zero, new Vector2(Game1.GraphicsWidth, 1024 - y),
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Vector2.Zero, Color.White);
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}
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if (y<0)
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{
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backgroundTop.SourceRect = new Rectangle(x, y, 1024, 1024);
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backgroundTop.DrawTiled(spriteBatch, Vector2.Zero, new Vector2(Game1.GraphicsWidth, Math.Min(1024 - 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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if (Game1.Level!=null) Game1.Level.Render(spriteBatch);
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Map.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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//----------------------------------------------------------------------------------------
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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,
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null, null, null, null,
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cam.Transform);
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Map.DrawFront(spriteBatch);
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spriteBatch.End();
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LightManager.DrawFow(graphics,cam);
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}
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}
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}
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