initial commit

shadows
cosmonaut 2020-08-04 02:32:02 -07:00
commit 1f1854aa0e
12 changed files with 602 additions and 0 deletions

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using Microsoft.Xna.Framework;
namespace Kav
{
public class Camera
{
public Matrix Transform { get; set; }
public Matrix Projection { get; set; }
public Matrix View {
get
{
return Matrix.CreateLookAt(Transform.Translation, Transform.Forward, Transform.Up);
}
}
public float FOV { get; set; } = 75f;
public float AspectRatio { get; set; } = 1920 / 1080;
public float NearPlane { get; set; } = 0.1f;
public float FarPlane { get; set; } = 200f;
public Camera(Vector3 position, Quaternion orientation)
{
Transform = Matrix.CreateFromQuaternion(orientation) * Matrix.CreateTranslation(position.X, position.Y, position.Z);
Projection = Matrix.CreatePerspectiveFieldOfView(
FOV,
AspectRatio,
NearPlane,
FarPlane
);
}
}
}

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namespace Kav
{
public class Mesh
{
public MeshPart[] MeshParts { get; }
public Mesh(MeshPart[] meshParts)
{
MeshParts = meshParts;
}
}
}

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using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
namespace Kav
{
public class MeshPart
{
public IndexBuffer IndexBuffer { get; }
public VertexBuffer VertexBuffer { get; }
public Triangle[] Triangles { get; }
public Vector3[] Positions { get; }
public Effect Effect { get; }
public MeshPart(VertexBuffer vertexBuffer, IndexBuffer indexBuffer, Vector3[] positions, Triangle[] triangles, Effect effect)
{
VertexBuffer = vertexBuffer;
IndexBuffer = indexBuffer;
Positions = positions;
Triangles = triangles;
Effect = effect;
}
}
}

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using Microsoft.Xna.Framework;
namespace Kav
{
public class Model
{
public Mesh[] Meshes { get; }
public Matrix Transform { get; set; } // TODO: this should probably be a wrapper class
public Model(Mesh[] meshes, Matrix transform)
{
Meshes = meshes;
}
}
}

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using Microsoft.Xna.Framework;
namespace Kav
{
public class PointLight
{
public Vector3 Position { get; set; }
public Vector4 Color { get; set; }
public float Intensity { get; set; }
public PointLight(Vector3 position, Vector4 color, float intensity = 1f)
{
Position = position;
Color = color;
Intensity = intensity;
}
}
}

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namespace Kav
{
public interface PointLightEffect
{
PointLight[] PointLights { get; } // TODO: should be a collection class?
}
}

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using System.Collections.Generic;
using Microsoft.Xna.Framework.Graphics;
namespace Kav
{
public class Scene
{
private PointLight[] pointLights = new PointLight[4];
private List<Model> models = new List<Model>();
public void AddPointLight(int index, PointLight light)
{
pointLights[index] = light;
}
public void AddModel(Model model)
{
models.Add(model);
}
public void Render(GraphicsDevice graphicsDevice, Camera camera)
{
var view = camera.View;
var projection = camera.Projection;
foreach (var model in models)
{
foreach (var modelMesh in model.Meshes)
{
foreach (var meshPart in modelMesh.MeshParts)
{
graphicsDevice.SetVertexBuffer(meshPart.VertexBuffer);
graphicsDevice.Indices = meshPart.IndexBuffer;
if (meshPart.Effect is TransformEffect transformEffect)
{
transformEffect.World = model.Transform;
transformEffect.View = view;
transformEffect.Projection = projection;
}
if (meshPart.Effect is PointLightEffect pointLightEffect)
{
for (int i = 0; i < pointLights.Length; i++)
{
pointLightEffect.PointLights[i] = pointLights[i];
}
}
foreach (var pass in meshPart.Effect.CurrentTechnique.Passes)
{
pass.Apply();
graphicsDevice.DrawIndexedPrimitives(
PrimitiveType.TriangleList,
0,
0,
meshPart.VertexBuffer.VertexCount,
0,
meshPart.Triangles.Length
);
}
}
}
}
}
}
}

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using Microsoft.Xna.Framework;
namespace Kav
{
public interface TransformEffect
{
Matrix World { get; set; }
Matrix View { get; set; }
Matrix Projection { get; set; }
}
}

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namespace Kav
{
public struct Triangle
{
public int A { get; }
public int B { get; }
public int C { get; }
public Triangle(int a, int b, int c)
{
A = a;
B = b;
C = c;
}
}
}

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kav.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netstandard2.0</TargetFramework>
<RootNamespace>Kav</RootNamespace>
<Authors>Evan Hemsley</Authors>
<Copyright>Evan Hemsley 2020</Copyright>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="../FNA/FNA.Core.csproj" />
</ItemGroup>
</Project>

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kav.sln Normal file
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 15
VisualStudioVersion = 15.0.26124.0
MinimumVisualStudioVersion = 15.0.26124.0
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "kav", "kav.csproj", "{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Debug|x64 = Debug|x64
Debug|x86 = Debug|x86
Release|Any CPU = Release|Any CPU
Release|x64 = Release|x64
Release|x86 = Release|x86
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|Any CPU.Build.0 = Debug|Any CPU
{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|x64.ActiveCfg = Debug|Any CPU
{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|x64.Build.0 = Debug|Any CPU
{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|x86.ActiveCfg = Debug|Any CPU
{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Debug|x86.Build.0 = Debug|Any CPU
{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|Any CPU.ActiveCfg = Release|Any CPU
{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|Any CPU.Build.0 = Release|Any CPU
{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|x64.ActiveCfg = Release|Any CPU
{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|x64.Build.0 = Release|Any CPU
{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|x86.ActiveCfg = Release|Any CPU
{34C1B784-AE9C-4EBC-A03A-AC401CB1219A}.Release|x86.Build.0 = Release|Any CPU
EndGlobalSection
EndGlobal