Hoikas/korman
4
4
Fork 0
mirror of https://github.com/H-uru/korman.git synced 2025-07-14 02:27:36 -04:00
Code Releases Activity

Generate the BumpLutTexture

Browse Source
This commit is contained in:
Darryl Pogue
2016-12-30 00:36:34 -08:00
parent 11716fce3b
commit 082eb0e6ca
2 changed files with 97 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

85
korlib/texture.cpp
View File

@ -361,6 +361,90 @@ static PyObject* pyGLTexture_store_in_mipmap(pyGLTexture* self, PyObject* args)
Py_RETURN_NONE;
}
static uint32_t MakeUInt32Color(float r, float g, float b, float a)
{
return (uint32_t(a * 255.9f) << 24)
|(uint32_t(r * 255.9f) << 16)
|(uint32_t(g * 255.9f) << 8)
|(uint32_t(b * 255.9f) << 0);
}
static PyObject* pyGLTexture_create_bump_LUT(pyGLTexture* self, PyObject* args) {
const int kLUTHeight = 16;
const int kLUTWidth = 16;
pyMipmap* pymipmap;
if (!PyArg_ParseTuple(args, "O", &pymipmap)) {
PyErr_SetString(PyExc_TypeError, "create_bump_LUT expects a plMipmap");
return NULL;
}
plMipmap* texture = plMipmap::Convert(pymipmap->fThis, false);
if (!texture) {
PyErr_SetString(PyExc_TypeError, "create_bump_LUT expects a plMipmap");
return NULL;
}
texture->Create(kLUTWidth, kLUTHeight, 1, plBitmap::kUncompressed, plBitmap::kRGB8888);
int delH = (kLUTHeight - 1) / 5;
int startH = delH / 2 + 1;
int doneH = 0;
uint32_t* pix = (uint32_t*)const_cast<void*>(texture->getImageData());
int i;
// Red ramps, one with G,B = 0,0, one with G,B = 127,127
for (i = 0; i < startH; i++) {
for(int j = 0; j < kLUTWidth; j++) {
float x = float(j) / (kLUTWidth - 1);
*pix++ = MakeUInt32Color(x, 0.0f, 0.0f, 1.0f);
}
}
doneH = i;
for (i = i; i < doneH + delH; i++) {
for (int j = 0; j < kLUTWidth; j++) {
float x = float(j) / (kLUTWidth - 1);
*pix++ = MakeUInt32Color(x, 0.5f, 0.5f, 1.0f);
}
}
doneH = i;
// Green ramps, one with R,B = 0,0, one with R,B = 127,127
for (i = i; i < doneH + delH; i++) {
for (int j = 0; j < kLUTWidth; j++) {
float x = float(j) / (kLUTWidth - 1);
*pix++ = MakeUInt32Color(0.0f, x, 0.0f, 1.0f);
}
}
doneH = i;
for (i = i; i < doneH + delH; i++) {
for (int j = 0; j < kLUTWidth; j++) {
float x = float(j) / (kLUTWidth - 1);
*pix++ = MakeUInt32Color(0.5f, x, 0.5f, 1.0f);
}
}
doneH = i;
// Blue ramps, one with R,G = 0,0, one with R,G = 127,127
for (i = i; i < doneH + delH; i++) {
for (int j = 0; j < kLUTWidth; j++) {
float x = float(j) / (kLUTWidth - 1);
*pix++ = MakeUInt32Color(0.0f, 0.0f, x, 1.0f);
}
}
doneH = i;
for (i = i; i < kLUTHeight; i++) {
for (int j = 0; j < kLUTWidth; j++) {
float x = float(j) / (kLUTWidth - 1);
*pix++ = MakeUInt32Color(0.5f, 0.5f, x, 1.0f);
}
}
Py_RETURN_NONE;
}
static PyMethodDef pyGLTexture_Methods[] = {
{ _pycs("__enter__"), (PyCFunction)pyGLTexture__enter__, METH_NOARGS, NULL },
{ _pycs("__exit__"), (PyCFunction)pyGLTexture__enter__, METH_VARARGS, NULL },
@ -368,6 +452,7 @@ static PyMethodDef pyGLTexture_Methods[] = {
{ _pycs("generate_mipmap"), (PyCFunction)pyGLTexture_generate_mipmap, METH_NOARGS, NULL },
{ _pycs("get_level_data"), (PyCFunction)pyGLTexture_get_level_data, METH_KEYWORDS | METH_VARARGS, NULL },
{ _pycs("store_in_mipmap"), (PyCFunction)pyGLTexture_store_in_mipmap, METH_VARARGS, NULL },
{ _pycs("create_bump_LUT"), (PyCFunction)pyGLTexture_create_bump_LUT, METH_STATIC | METH_VARARGS, NULL },
{ NULL, NULL, 0, NULL }
};