mirror of https://github.com/H-uru/korman.git
GitHub
9 changed files with 418 additions and 35 deletions
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/* This file is part of Korman.
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* |
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* Korman is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* Korman is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with Korman. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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#include "bumpmap.h" |
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#include <PRP/Surface/plMipmap.h> |
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static uint32_t MakeUInt32Color(float r, float g, float b, float a) { |
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return (uint32_t(a * 255.9f) << 24) | |
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(uint32_t(r * 255.9f) << 16) | |
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(uint32_t(g * 255.9f) << 8) | |
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(uint32_t(b * 255.9f) << 0); |
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} |
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typedef struct { |
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PyObject_HEAD |
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plMipmap* fThis; |
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bool fPyOwned; |
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} pyMipmap; |
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extern "C" { |
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PyObject* create_bump_LUT(PyObject*, PyObject* args) { |
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const int kLUTHeight = 16; |
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const int kLUTWidth = 16; |
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pyMipmap* pymipmap; |
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if (!PyArg_ParseTuple(args, "O", &pymipmap)) { |
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PyErr_SetString(PyExc_TypeError, "create_bump_LUT expects a plMipmap"); |
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return NULL; |
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} |
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plMipmap* texture = plMipmap::Convert(pymipmap->fThis, false); |
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if (!texture) { |
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PyErr_SetString(PyExc_TypeError, "create_bump_LUT expects a plMipmap"); |
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return NULL; |
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} |
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texture->Create(kLUTWidth, kLUTHeight, 1, plBitmap::kUncompressed, plBitmap::kRGB8888); |
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int delH = (kLUTHeight - 1) / 5; |
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int startH = delH / 2 + 1; |
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int doneH = 0; |
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uint8_t* data = new uint8_t[texture->getTotalSize()]; |
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uint32_t* pix = (uint32_t*)data; |
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int i; |
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// Red ramps, one with G,B = 0,0, one with G,B = 127,127
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for (i = 0; i < startH; ++i) { |
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for(int j = 0; j < kLUTWidth; ++j) { |
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float x = float(j) / (kLUTWidth - 1); |
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*pix++ = MakeUInt32Color(x, 0.0f, 0.0f, 1.0f); |
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} |
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} |
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doneH = i; |
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for (i = i; i < doneH + delH; ++i) { |
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for (int j = 0; j < kLUTWidth; ++j) { |
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float x = float(j) / (kLUTWidth - 1); |
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*pix++ = MakeUInt32Color(x, 0.5f, 0.5f, 1.0f); |
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} |
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} |
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doneH = i; |
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// Green ramps, one with R,B = 0,0, one with R,B = 127,127
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for (i = i; i < doneH + delH; ++i) { |
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for (int j = 0; j < kLUTWidth; ++j) { |
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float x = float(j) / (kLUTWidth - 1); |
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*pix++ = MakeUInt32Color(0.0f, x, 0.0f, 1.0f); |
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} |
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} |
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doneH = i; |
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for (i = i; i < doneH + delH; ++i) { |
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for (int j = 0; j < kLUTWidth; ++j) { |
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float x = float(j) / (kLUTWidth - 1); |
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*pix++ = MakeUInt32Color(0.5f, x, 0.5f, 1.0f); |
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} |
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} |
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doneH = i; |
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// Blue ramps, one with R,G = 0,0, one with R,G = 127,127
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for (i = i; i < doneH + delH; ++i) { |
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for (int j = 0; j < kLUTWidth; ++j) { |
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float x = float(j) / (kLUTWidth - 1); |
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*pix++ = MakeUInt32Color(0.0f, 0.0f, x, 1.0f); |
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} |
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} |
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doneH = i; |
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for (i = i; i < kLUTHeight; ++i) { |
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for (int j = 0; j < kLUTWidth; ++j) { |
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float x = float(j) / (kLUTWidth - 1); |
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*pix++ = MakeUInt32Color(0.5f, 0.5f, x, 1.0f); |
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} |
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} |
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texture->setImageData(data, texture->getTotalSize()); |
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Py_RETURN_NONE; |
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} |
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}; |
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@ -0,0 +1,29 @@
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/* This file is part of Korman.
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* |
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* Korman is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* Korman is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with Korman. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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#ifndef _KORLIB_BUMPMAP_H |
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#define _KORLIB_BUMPMAP_H |
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#include "korlib.h" |
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extern "C" { |
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PyObject* create_bump_LUT(PyObject*, PyObject* args); |
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}; |
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#endif // _KORLIB_BUMPMAP_H
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