jracek/secretsplash
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added texture exporting to PSXObjectExporter component

Browse Source
This commit is contained in:
jracek
2025-01-14 20:13:48 +01:00
parent 956a55eceb
commit c2e91b885e
3 changed files with 178 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
Editor/PSXObjectExporterEditor.cs
View File

@@ -1,6 +1,7 @@
using UnityEngine;
using UnityEditor;
using PSXSplash.RuntimeCode;
using System.IO;
namespace PSXSplash.EditorCode
{
@@ -18,6 +19,7 @@ namespace PSXSplash.EditorCode
if (GUILayout.Button("Export mesh"))
{
comp.Mesh.Export(comp.gameObject);
GUIUtility.ExitGUI();
}
EditorGUILayout.EndVertical();
@@ -26,7 +28,53 @@ namespace PSXSplash.EditorCode
EditorGUILayout.PropertyField(serializedObject.FindProperty("Texture"));
if (GUILayout.Button("Export texture"))
{
comp.Texture.Export(comp.gameObject);
ushort[] textureData = comp.Texture.ExportTexture(comp.gameObject);
string path = EditorUtility.SaveFilePanel(
"Save texture data",
"",
"texture_data",
"bin"
);
if (!string.IsNullOrEmpty(path))
{
using (FileStream fileStream = new FileStream(path, FileMode.Create, FileAccess.Write))
using (BinaryWriter writer = new BinaryWriter(fileStream))
{
foreach (ushort value in textureData)
{
writer.Write(value);
}
}
}
GUIUtility.ExitGUI();
}
if (comp.Texture.TextureType != PSXTextureType.TEX16_BPP)
{
if (GUILayout.Button("Export clut"))
{
ushort[] clutData = comp.Texture.ExportClut(comp.gameObject);
string path = EditorUtility.SaveFilePanel(
"Save clut data",
"",
"clut_data",
"bin"
);
if (!string.IsNullOrEmpty(path))
{
using (FileStream fileStream = new FileStream(path, FileMode.Create, FileAccess.Write))
using (BinaryWriter writer = new BinaryWriter(fileStream))
{
foreach (ushort value in clutData)
{
writer.Write(value);
}
}
}
GUIUtility.ExitGUI();
}
}
EditorGUILayout.EndVertical();

78
Editor/QuantizedPreviewWindow.cs
View File

@@ -1,4 +1,5 @@
using System.IO;
using PSXSplash.RuntimeCode;
using UnityEditor;
using UnityEngine;
using UnityEngine.Rendering;
@@ -78,10 +79,10 @@ public class QuantizedPreviewWindow : EditorWindow
if (indexedPixelData != null)
{
if (GUILayout.Button("Export pixel data"))
if (GUILayout.Button("Export texute data"))
{
string path = EditorUtility.SaveFilePanel(
"Save pixel data",
"Save texture data",
"",
"pixel_data",
"bin"
@@ -129,13 +130,14 @@ public class QuantizedPreviewWindow : EditorWindow
private void GenerateQuantizedPreview()
{
Texture2D resizedTexture = ResizeTexture(originalTexture, targetWidth, targetHeight);
Texture2D resizedTexture = PSXTexture.ResizeTexture(originalTexture, targetWidth, targetHeight);
if (bpp == 16)
{
quantizedTexture = ConvertTo16Bpp(resizedTexture);
quantizedTexture = null;
indexedPixelData = PSXTexture.ConvertTo16Bpp(resizedTexture);
clut = null;
vramTexture = resizedTexture;
vramTexture = ConvertTo16BppTexture2D(resizedTexture);
}
else
{
@@ -153,7 +155,7 @@ public class QuantizedPreviewWindow : EditorWindow
{
for (int x = 0; x < resizedTexture.width; x++)
{
int index = 0;
int index;
if (pixelSize == 4)
{
@@ -231,34 +233,6 @@ public class QuantizedPreviewWindow : EditorWindow
return vramTexture;
}
private Texture2D ConvertTo16Bpp(Texture2D source)
{
int width = source.width;
int height = source.height;
Texture2D convertedTexture = new Texture2D(width, height);
Color[] originalPixels = source.GetPixels();
Color[] convertedPixels = new Color[originalPixels.Length];
for (int i = 0; i < originalPixels.Length; i++)
{
Color pixel = originalPixels[i];
float r = Mathf.Floor(pixel.r * 31) / 31.0f; // 5 bits for red
float g = Mathf.Floor(pixel.g * 31) / 31.0f; // 5 bits for green
float b = Mathf.Floor(pixel.b * 31) / 31.0f; // 5 bits for blue
convertedPixels[i] = new Color(r, g, b, pixel.a);
}
convertedTexture.SetPixels(convertedPixels);
convertedTexture.Apply();
return convertedTexture;
}
private void DrawTexturePreview(Texture2D texture, int size, bool flipY = true)
{
Rect rect = GUILayoutUtility.GetRect(size, size, GUILayout.ExpandWidth(false));
@@ -328,21 +302,35 @@ public class QuantizedPreviewWindow : EditorWindow
}
}
private Texture2D ConvertTo16BppTexture2D(Texture2D source)
{
int width = source.width;
int height = source.height;
Texture2D convertedTexture = new Texture2D(width, height);
private Texture2D ResizeTexture(Texture2D source, int newWidth, int newHeight)
Color[] originalPixels = source.GetPixels();
Color[] convertedPixels = new Color[originalPixels.Length];
for (int y = 0; y < height; y++)
{
RenderTexture rt = RenderTexture.GetTemporary(newWidth, newHeight);
rt.antiAliasing = 1;
Graphics.Blit(source, rt);
for (int x = 0; x < width; x++)
{
int flippedY = height - y - 1;
Texture2D resizedTexture = new Texture2D(newWidth, newHeight);
RenderTexture.active = rt;
resizedTexture.ReadPixels(new Rect(0, 0, newWidth, newHeight), 0, 0);
resizedTexture.Apply();
Color pixel = originalPixels[flippedY * width + x];
RenderTexture.active = null;
RenderTexture.ReleaseTemporary(rt);
float r = Mathf.Floor(pixel.r * 31) / 31.0f; // 5 bits for red
float g = Mathf.Floor(pixel.g * 31) / 31.0f; // 5 bits for green
float b = Mathf.Floor(pixel.b * 31) / 31.0f; // 5 bits for blue
return resizedTexture;
convertedPixels[y * width + x] = new Color(r, g, b, pixel.a);
}
}
convertedTexture.SetPixels(convertedPixels);
convertedTexture.Apply();
return convertedTexture;
}
}

105
Runtime/PSXTexture.cs
View File

@@ -1,3 +1,5 @@
using System.IO;
using UnityEditor;
using UnityEngine;
namespace PSXSplash.RuntimeCode
@@ -26,9 +28,8 @@ namespace PSXSplash.RuntimeCode
public int Height = 128;
// TODO: This just uses the quantization and doesn't store the result anywhere
// Maybe it should return the image and the clut back to the SceneExporter / The Editor code for only-texture export?
public void Export(GameObject gameObject)
public ushort[] ExportTexture(GameObject gameObject)
{
Debug.Log($"Export: {this}");
@@ -40,15 +41,101 @@ namespace PSXSplash.RuntimeCode
{
Texture2D originalTexture = (Texture2D)texture;
Texture2D newTexture = new Texture2D(originalTexture.width, originalTexture.height, originalTexture.format, false);
newTexture.SetPixels(originalTexture.GetPixels());
newTexture.Apply();
Debug.Log((int)TextureType);
newTexture.Reinitialize(Width, Height, UnityEngine.Experimental.Rendering.GraphicsFormat.R8G8B8_UInt, false);
var (quantizedPixels, clut) = ImageQuantizer.Quantize(originalTexture, (int)TextureType);
Texture2D newTexture = ResizeTexture(originalTexture, Width, Height);
if (TextureType == PSXTextureType.TEX16_BPP)
{
ushort[] converted = ConvertTo16Bpp(newTexture);
return converted;
}
else
{
var (indexedPixels, _) = ImageQuantizer.Quantize(newTexture, (int)TextureType, 100);
return indexedPixels;
}
}
}
return null;
}
public ushort[] ExportClut(GameObject gameObject)
{
Debug.Log($"Export: {this}");
MeshRenderer meshRenderer = gameObject.GetComponent<MeshRenderer>();
if (meshRenderer != null)
{
Texture texture = meshRenderer.material.mainTexture;
if (texture is Texture2D)
{
Texture2D originalTexture = (Texture2D)texture;
Texture2D newTexture = ResizeTexture(originalTexture, Width, Height);
if (TextureType == PSXTextureType.TEX16_BPP)
{
return null;
}
else
{
var (_, generatedClut) = ImageQuantizer.Quantize(newTexture, (int)TextureType, 100);
return generatedClut;
}
}
}
return null;
}
public static Texture2D ResizeTexture(Texture2D source, int newWidth, int newHeight)
{
RenderTexture rt = RenderTexture.GetTemporary(newWidth, newHeight);
rt.antiAliasing = 1;
Graphics.Blit(source, rt);
Texture2D resizedTexture = new Texture2D(newWidth, newHeight);
RenderTexture.active = rt;
resizedTexture.ReadPixels(new Rect(0, 0, newWidth, newHeight), 0, 0);
resizedTexture.Apply();
RenderTexture.active = null;
RenderTexture.ReleaseTemporary(rt);
return resizedTexture;
}
public static ushort[] ConvertTo16Bpp(Texture2D source)
{
int width = source.width;
int height = source.height;
ushort[] packedData = new ushort[width * height];
Color[] originalPixels = source.GetPixels();
// Flip the image on the Y-axis
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
int flippedY = height - y - 1;
int index = flippedY * width + x;
// Retrieve the pixel color
Color pixel = originalPixels[index];
// Convert to 5-bit components
int r = Mathf.Clamp(Mathf.RoundToInt(pixel.r * 31), 0, 31); // 5 bits for red
int g = Mathf.Clamp(Mathf.RoundToInt(pixel.g * 31), 0, 31); // 5 bits for green
int b = Mathf.Clamp(Mathf.RoundToInt(pixel.b * 31), 0, 31); // 5 bits for blue
// Pack into a ushort: R(0..4), G(5..9), B(10..14), Padding(15)
packedData[y * width + x] = (ushort)((b << 10) | (g << 5) | r);
}
}
return packedData;
}
}
}