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77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/* Residual - A 3D game interpreter
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*
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* Residual is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This library 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 GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#include "common/endian.h"
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#include "engines/grim/grim.h"
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#include "engines/grim/material.h"
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#include "engines/grim/gfx_base.h"
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#include "engines/grim/resource.h"
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namespace Grim {
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Material::Material(const Common::String &filename, const char *data, int len, CMap *cmap) :
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Object(), _fname(filename), _cmap(cmap) {
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if (len < 4 || memcmp(data, "MAT ", 4) != 0)
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error("invalid magic loading texture");
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_numImages = READ_LE_UINT32(data + 12);
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_currImage = 0;
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/* Discovered by diffing orange.mat with pink.mat and blue.mat .
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* Actual meaning unknown, so I prefer to use it as an enum-ish
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* at the moment, to detect unexpected values.
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*/
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uint32 offset = READ_LE_UINT32(data + 0x4c);
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if (offset == 0x8)
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data += 16;
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else if (offset != 0)
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error("Unknown offset: %d", offset);
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_width = READ_LE_UINT32(data + 60 + _numImages * 40);
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_height = READ_LE_UINT32(data + 64 + _numImages * 40);
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if (_width == 0 || _height == 0) {
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if (gDebugLevel == DEBUG_WARN || gDebugLevel == DEBUG_ALL)
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warning("skip load texture: bad texture size (%dx%d) for texture %s", _width, _height, _fname.c_str());
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return;
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}
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data += 84 + _numImages * 40;
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g_driver->createMaterial(this, data, cmap);
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}
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void Material::select() const {
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if (_width == 0 || _height == 0)
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return;
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g_driver->selectMaterial(this);
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}
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Material::~Material() {
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if (g_resourceloader)
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g_resourceloader->uncacheMaterial(this);
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if (_width == 0 || _height == 0)
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return;
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g_driver->destroyMaterial(this);
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}
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} // end of namespace Grim
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