Adding modding folder with a hacked build.

2026-09-26 08:53:08 +02:00
parent cdb960dc71
commit c91080aba7
755 changed files with 50424 additions and 0 deletions
@@ -0,0 +1,70 @@
+package graphics
+
+import (
+	"github.com/inkyblackness/hacked/ss1/content/bitmap"
+	"github.com/inkyblackness/hacked/ui/opengl"
+)
+
+// PaletteTexture contains a palette stored as OpenGL texture.
+type PaletteTexture struct {
+	gl opengl.OpenGL
+
+	handle  uint32
+	palette bitmap.Palette
+}
+
+// NewPaletteTexture creates a new PaletteTexture instance.
+func NewPaletteTexture(gl opengl.OpenGL, palette *bitmap.Palette) *PaletteTexture {
+	tex := &PaletteTexture{
+		gl:     gl,
+		handle: gl.GenTextures(1)[0],
+	}
+
+	tex.Update(palette)
+
+	return tex
+}
+
+// Dispose releases the OpenGL texture.
+func (tex *PaletteTexture) Dispose() {
+	if tex.handle != 0 {
+		tex.gl.DeleteTextures([]uint32{tex.handle})
+		tex.handle = 0
+	}
+}
+
+// Palette returns the original palette.
+func (tex *PaletteTexture) Palette() bitmap.Palette {
+	return tex.palette
+}
+
+// Handle returns the texture handle.
+func (tex *PaletteTexture) Handle() uint32 {
+	return tex.handle
+}
+
+// Update reloads the palette.
+func (tex *PaletteTexture) Update(palette *bitmap.Palette) {
+	gl := tex.gl
+	const bytesPerRGBA = 4
+	const colors = 256
+	var data [colors * bytesPerRGBA]byte
+
+	for i := 0; i < colors; i++ {
+		entry := palette[i]
+		data[i*bytesPerRGBA+0] = entry.Red
+		data[i*bytesPerRGBA+1] = entry.Green
+		data[i*bytesPerRGBA+2] = entry.Blue
+		data[i*bytesPerRGBA+3] = 0xFF
+	}
+	data[3] = 0x00
+
+	gl.BindTexture(opengl.TEXTURE_2D, tex.handle)
+	gl.TexImage2D(opengl.TEXTURE_2D, 0, opengl.RGBA, int32(colors), 1, 0, opengl.RGBA, opengl.UNSIGNED_BYTE, data[:])
+	gl.TexParameteri(opengl.TEXTURE_2D, opengl.TEXTURE_MAG_FILTER, opengl.NEAREST)
+	gl.TexParameteri(opengl.TEXTURE_2D, opengl.TEXTURE_MIN_FILTER, opengl.NEAREST)
+	gl.GenerateMipmap(opengl.TEXTURE_2D)
+	gl.BindTexture(opengl.TEXTURE_2D, 0)
+
+	tex.palette = *palette
+}