Troispoils/map3drendering
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Update loc of Vertex.

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This commit is contained in:
Troispoils 2024-03-01 15:03:45 +01:00
parent bb723036c0
commit 4ea0101cf6
4 changed files with 55 additions and 27 deletions
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42
Map3DRendering/Common/Texture.cs
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@ -64,6 +64,43 @@ namespace Map3DRendering.Common {
return new Texture(handle);
}
public static Texture LoadFromArray(string[] paths) {
// Générer un identifiant de texture
int handle = GL.GenTexture();
// Activer la texture
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2DArray, handle);
// Ici, nous supposons que toutes les images ont les mêmes dimensions et le même format
// Charger la première image pour obtenir les dimensions
ImageResult firstImage = ImageResult.FromStream(File.OpenRead(paths[0]), ColorComponents.RedGreenBlueAlpha);
int width = firstImage.Width;
int height = firstImage.Height;
// Initialiser la texture 2D array sans lui passer de données pour l'instant
GL.TexImage3D(TextureTarget.Texture2DArray, 0, PixelInternalFormat.Rgba, width, height, paths.Length, 0, PixelFormat.Rgba, PixelType.UnsignedByte, IntPtr.Zero);
// Charger chaque texture dans l'array
for (int i = 0; i < paths.Length; i++) {
using (Stream stream = File.OpenRead(paths[i])) {
ImageResult image = ImageResult.FromStream(stream, ColorComponents.RedGreenBlueAlpha);
GL.TexSubImage3D(TextureTarget.Texture2DArray, 0, 0, 0, i, width, height, 1, PixelFormat.Rgba, PixelType.UnsignedByte, image.Data);
}
}
// Paramètres de texture
GL.TexParameter(TextureTarget.Texture2DArray, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2DArray, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2DArray, TextureParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2DArray, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge);
// Générer des mipmaps pour la texture array
GL.GenerateMipmap(GenerateMipmapTarget.Texture2DArray);
return new Texture(handle);
}
public Texture(int glHandle) {
Handle = glHandle;
@ -77,6 +114,11 @@ namespace Map3DRendering.Common {
GL.ActiveTexture(unit);
GL.BindTexture(TextureTarget.Texture2D, Handle);
}
public void UseArray(TextureUnit unit) {
GL.ActiveTexture(unit);
GL.BindTexture(TextureTarget.Texture2DArray, Handle);
}
public void Assign(int shader, int i) {
int location = GL.GetUniformLocation(shader, "textures[" + i.ToString() + "]");

21
Map3DRendering/Shaders/shader.frag
View file

@ -5,7 +5,7 @@ out vec4 outputColor;
uniform vec3 viewPos;
uniform vec3 lightPos;
uniform vec3 lightColor;
uniform sampler2D texture0;
uniform sampler2DArray texture0;
in vec4 FarColor;
in vec3 Normal;
@ -16,25 +16,10 @@ in float RealType;
void main()
{
float tileSize = 64.0 / 512.0;
float baseWeight = 0.2;
float dominantWeight = 0.4;
vec4 weights = vec4(baseWeight);
vec2 uvOffsets[4];
for (int i = 0; i < 4; i++) {
float type = TexType[i];
uvOffsets[i] = vec2(mod(type, 8.0), floor(type / 8.0)) * tileSize;
if (type == RealType) {
weights[i] = dominantWeight;
}
}
vec4 blendedColor[4];
for (int i = 0; i < 4; i++) {
vec2 uv = TexCoord * tileSize + uvOffsets[i];
blendedColor[i] = texture(texture0, uv);
float type = TexType[i];
blendedColor[i] = texture(texture0, vec3(TexCoord, type));
}
float weightX = TexCoord.x;

12
Map3DRendering/Window.cs
View file

@ -53,8 +53,10 @@ namespace Map3DRendering {
_shader.Use();
mapRender.OnLoad(_shader);
_texture = Texture.LoadFromFile("atlas.jpg");
_texture.Use(TextureUnit.Texture0);
var file = Directory.EnumerateFiles(@"./terrains");
_texture = Texture.LoadFromArray(file.ToArray());
_texture.UseArray(TextureUnit.Texture0);
axesGizmo = new AxesGizmo();
@ -74,7 +76,7 @@ namespace Map3DRendering {
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
_shader.Use();
_texture.Use(TextureUnit.Texture0);
_texture.UseArray(TextureUnit.Texture0);
_shader.SetMatrix4("view", _camera.GetViewMatrix());
_shader.SetMatrix4("projection", _camera.GetProjectionMatrix());
@ -142,10 +144,10 @@ namespace Map3DRendering {
_camera.Position += _camera.Right * cameraSpeed * (float)e.Time; // Right
}
if (input.IsKeyDown(Keys.Space)) {
_camera.Position += _camera.Up * cameraSpeed * (float)e.Time; // Up
_camera.Position += Vector3.UnitY * cameraSpeed * (float)e.Time; // Up
}
if (input.IsKeyDown(Keys.LeftShift)) {
_camera.Position -= _camera.Up * cameraSpeed * (float)e.Time; // Down
_camera.Position -= Vector3.UnitY * cameraSpeed * (float)e.Time; // Down
}
// Get the mouse state