mirror of
https://github.com/aharabada/glitchy-engine-beef.git
synced 2026-09-05 13:01:52 +00:00
Made TextureAtlas platform independent
This commit is contained in:
Simon Lübeß
@@ -1,11 +1,6 @@
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using System.Collections;
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using System.Collections;
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using GlitchyEngine.Renderer;
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using GlitchyEngine.Renderer;
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using System.Collections;
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using GlitchyEngine.Renderer;
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using GlitchyEngine.Math;
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using GlitchyEngine;
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using DirectX.D3D11;
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using System;
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namespace Sandbox.VoxelFun
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namespace Sandbox.VoxelFun
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{
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{
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class BlockTextures
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class BlockTextures
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@@ -51,113 +46,4 @@ namespace Sandbox.VoxelFun
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_atlas.SamplerState = new SamplerState(context, desc)..ReleaseRefNoDelete();
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_atlas.SamplerState = new SamplerState(context, desc)..ReleaseRefNoDelete();
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}
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}
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}
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}
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class TextureAtlas : Texture
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{
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// TODO: native code
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private ID3D11Texture2D* nativeTexture ~ _?.Release();
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public override extern uint32 Width {get;}
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public override extern uint32 Height {get;}
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public override uint32 Depth => 1;
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public override extern uint32 ArraySize {get;}
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public override extern uint32 MipLevels {get;}
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public this(GraphicsContext context, List<BlockTexture> textures) : base(context)
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{
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// Todo: rewrite this garbage algorithm
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List<(Color* data, uint32 width, uint32 height, BlockTexture blockTex)> textureDatas = new .(textures.Count);
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defer
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{
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for(let item in textureDatas)
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{
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LodePng.LodePng.Free(item.data);
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}
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delete textureDatas;
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}
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uint32 maxWidth = 0;
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uint32 maxHeight = 0;
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for(let texture in textures)
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{
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(Color* data, uint32 width, uint32 height, BlockTexture blockTex) tex;
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tex.blockTex = texture;
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let error = LodePng.LodePng.Decode32File(out tex.data, out tex.width, out tex.height, texture.FileName);
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if(error != 0)
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Log.ClientLogger.Error($"Failed to load texture \"{texture.FileName}\". ({error}) \"{StringView(LodePng.LodePng.ErrorText(error))}\"");
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if(tex.width > maxWidth)
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maxWidth = tex.width;
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if(tex.height > maxHeight)
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maxHeight = tex.height;
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textureDatas.Add(tex);
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}
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uint32 texturesX = (.)System.Math.Ceiling(System.Math.Sqrt(textureDatas.Count));
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uint32 texturesY = (.)System.Math.Ceiling((float)textureDatas.Count / (float)texturesX);
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uint32 textureWidth = texturesX * maxWidth;
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uint32 textureHeight = texturesY * maxHeight;
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Color[] atlasColors = new DirectX.Color[textureWidth * textureHeight];
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defer delete atlasColors;
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uint32 currentX = 0;
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uint32 currentY = 0;
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for(let texture in textureDatas)
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{
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texture.blockTex.[Friend]_atlasStart = .((float)currentX / (float)textureWidth, (float)currentY / (float)textureHeight);
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texture.blockTex.[Friend]_atlasSize = .((float)texture.width / (float)textureWidth, (float)texture.height / (float)textureHeight);
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for(uint32 penY = currentY, uint32 y = 0; y < texture.height; penY++, y++)
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for(uint32 penX = currentX, uint32 x = 0; x < texture.width; penX++, x++)
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{
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atlasColors[penX + penY * textureWidth] = texture.data[x + y * texture.width];
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}
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currentX += maxWidth;
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if(currentX >= textureWidth)
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{
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currentX = 0;
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currentY += maxHeight;
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}
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}
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Texture2DDescription desc;
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desc.Width = textureWidth;
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desc.Height = textureHeight;
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desc.ArraySize = 1;
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desc.MipLevels = 1;
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desc.SampleDesc = .(1, 0);
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desc.Usage = .Immutable;
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desc.MiscFlags = .None;
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desc.BindFlags = .ShaderResource;
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desc.CpuAccessFlags = .None;
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desc.Format = .R8G8B8A8_UNorm;
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//SubresourceData data = .(atlasColors.CArray(), textureWidth, textureWidth * textureHeight);
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SubresourceData data = .(atlasColors.CArray(), textureWidth * sizeof(Color), 0);
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// TODO: this is bad platform dependant code...
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var result = _context.[Friend]nativeDevice.CreateTexture2D(ref desc, &data, &nativeTexture);
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//LodePng.LodePng.Encode32File("testout.png", textureD)
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if(result.Failed)
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Log.ClientLogger.Error($"Failed to create atlas texture. Error ({result.Underlying}): {result}");
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result = _context.[Friend]nativeDevice.CreateShaderResourceView(nativeTexture, null, &nativeView);
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if(result.Failed)
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Log.ClientLogger.Error($"Failed to create atlas texture. Error ({result.Underlying}): {result}");
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}
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}
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}
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}
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@@ -0,0 +1,89 @@
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using System;
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using System.Collections;
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using GlitchyEngine;
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using GlitchyEngine.Math;
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using GlitchyEngine.Renderer;
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namespace Sandbox.VoxelFun
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{
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class TextureAtlas : Texture2D
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{
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public this(GraphicsContext context, List<BlockTexture> textures) : base(context)
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{
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// Todo: rewrite this garbage algorithm
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List<(Color* data, uint32 width, uint32 height, BlockTexture blockTex)> textureDatas = new .(textures.Count);
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defer
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{
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for(let item in textureDatas)
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{
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LodePng.LodePng.Free(item.data);
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}
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delete textureDatas;
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}
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uint32 maxWidth = 0;
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uint32 maxHeight = 0;
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for(let texture in textures)
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{
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(Color* data, uint32 width, uint32 height, BlockTexture blockTex) tex;
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tex.blockTex = texture;
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let error = LodePng.LodePng.Decode32File(out tex.data, out tex.width, out tex.height, texture.FileName);
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if(error != 0)
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Log.ClientLogger.Error($"Failed to load texture \"{texture.FileName}\". ({error}) \"{StringView(LodePng.LodePng.ErrorText(error))}\"");
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if(tex.width > maxWidth)
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maxWidth = tex.width;
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if(tex.height > maxHeight)
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maxHeight = tex.height;
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textureDatas.Add(tex);
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}
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uint32 texturesX = (.)System.Math.Ceiling(System.Math.Sqrt(textureDatas.Count));
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uint32 texturesY = (.)System.Math.Ceiling((float)textureDatas.Count / (float)texturesX);
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uint32 textureWidth = texturesX * maxWidth;
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uint32 textureHeight = texturesY * maxHeight;
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Color[] atlasColors = new DirectX.Color[textureWidth * textureHeight];
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defer delete atlasColors;
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uint32 currentX = 0;
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uint32 currentY = 0;
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for(let texture in textureDatas)
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{
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texture.blockTex.[Friend]_atlasStart = .((float)currentX / (float)textureWidth, (float)currentY / (float)textureHeight);
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texture.blockTex.[Friend]_atlasSize = .((float)texture.width / (float)textureWidth, (float)texture.height / (float)textureHeight);
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for(uint32 penY = currentY, uint32 y = 0; y < texture.height; penY++, y++)
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for(uint32 penX = currentX, uint32 x = 0; x < texture.width; penX++, x++)
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{
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atlasColors[penX + penY * textureWidth] = texture.data[x + y * texture.width];
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}
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currentX += maxWidth;
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if(currentX >= textureWidth)
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{
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currentX = 0;
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currentY += maxHeight;
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}
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}
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Texture2DDesc desc;
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desc.Width = textureWidth;
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desc.Height = textureHeight;
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desc.ArraySize = 1;
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desc.MipLevels = 1;
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desc.Format = .R8G8B8A8_UNorm;
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CreateTexturePlatform(desc, atlasColors.CArray(), textureWidth * sizeof(Color));
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}
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}
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}
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