public void LoadTexture()
{
//Console.WriteLine($"offset = 0x{Convert.ToString(offset, 16)}");
if (m_ParticleTexFile.Read32(0x0) != 0x53505420)
{
MessageBox.Show(string.Format("This SPT file is invalid."),
"Bad texture");
Close();
return;
}
uint flags = m_ParticleTexFile.Read32(0x04);
uint texelArrSize = m_ParticleTexFile.Read32(0x08);
uint palOffset = m_ParticleTexFile.Read32(0x0c);
uint palSize = m_ParticleTexFile.Read32(0x10);
uint totalSize = m_ParticleTexFile.Read32(0x1c);
byte[] texels = m_ParticleTexFile.ReadBlock(0x20, texelArrSize);
byte[] palette = m_ParticleTexFile.ReadBlock(palOffset, palSize);
int width = 1 << (((int)flags >> 4 & 0xf) + 3);
int height = 1 << (((int)flags >> 8 & 0xf) + 3);
bool color0Transp = ((flags & 0x8) | (flags & 0x10000)) != 0;
int type = (int)flags & 0x7;
Particle.Texture.RepeatMode repeatX = (flags & 0x4000) != 0 ?
Particle.Texture.RepeatMode.FLIP : (flags & 0x1000) != 0 ?
Particle.Texture.RepeatMode.REPEAT :
Particle.Texture.RepeatMode.CLAMP;
Particle.Texture.RepeatMode repeatY = (flags & 0x8000) != 0 ?
Particle.Texture.RepeatMode.FLIP : (flags & 0x2000) != 0 ?
Particle.Texture.RepeatMode.REPEAT :
Particle.Texture.RepeatMode.CLAMP;
m_Texture = new Particle.Texture(texels, palette, width, height,
(byte)(color0Transp ? 1 : 0), type, repeatX, repeatY, 0);
}
private void loadExternalToolStripMenuItem_Click(object sender, EventArgs e)
{
int texDefID = lbxTexDef.SelectedIndex;
// this shouldn't happen but you never know
if (texDefID == -1)
{
return;
}
m_ROMFileSelect.ReInitialize("Select a SPT file to load", new String[] { ".spt" });
DialogResult result = m_ROMFileSelect.ShowDialog();
if (result != DialogResult.OK)
{
return;
}
else
{
try
{
NitroFile SPT = Program.m_ROM.GetFileFromName(m_ROMFileSelect.m_SelectedFile);
if (SPT.Read32(0x0) != 0x53505420)
{
throw new Exception("Invalid SPT header.");
}
uint flags = SPT.Read32(0x04);
uint texelArrSize = SPT.Read32(0x08);
uint palOffset = SPT.Read32(0x0c);
uint palSize = SPT.Read32(0x10);
uint totalSize = SPT.Read32(0x1c);
byte[] texels = SPT.ReadBlock(0x20, texelArrSize);
byte[] palette = SPT.ReadBlock(palOffset, palSize);
int width = 1 << (((int)flags >> 4 & 0xf) + 3);
int height = 1 << (((int)flags >> 8 & 0xf) + 3);
bool color0Transp = ((flags & 0x8) | (flags & 0x10000)) != 0;
int type = (int)flags & 0x7;
Particle.Texture.RepeatMode repeatX = (flags & 0x4000) != 0 ?
Particle.Texture.RepeatMode.FLIP : (flags & 0x1000) != 0 ?
Particle.Texture.RepeatMode.REPEAT :
Particle.Texture.RepeatMode.CLAMP;
Particle.Texture.RepeatMode repeatY = (flags & 0x8000) != 0 ?
Particle.Texture.RepeatMode.FLIP : (flags & 0x2000) != 0 ?
Particle.Texture.RepeatMode.REPEAT :
Particle.Texture.RepeatMode.CLAMP;
m_TexDefs[texDefID].Unload();
m_TexDefs[texDefID] = new Particle.Texture(texels, palette, width, height,
(byte)(color0Transp ? 1 : 0), type, repeatX, repeatY, texDefID);
m_TexDefs[texDefID].Load();
UpdateParticleTextures(texDefID);
}
catch (Exception ex)
{
MessageBox.Show("Failed to load external SPT. Details:\n" + ex.Message, "Failed to load SPT");
}
RefreshImage();
PopulatePaletteSettings();
}
}
