108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
// multirestexture.cpp
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//
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// Copyright (C) 2002 Deon Ramsey <dramsey@sourceforge.net>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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#include "multitexture.h"
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#include "texmanager.h"
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#include <celutil/debug.h>
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using namespace std;
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MultiResTexture::MultiResTexture()
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{
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tex[lores] = InvalidResource;
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tex[medres] = InvalidResource;
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tex[hires] = InvalidResource;
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}
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MultiResTexture::MultiResTexture(ResourceHandle loTex,
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ResourceHandle medTex,
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ResourceHandle hiTex)
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{
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tex[lores] = loTex;
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tex[medres] = medTex;
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tex[hires] = hiTex;
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}
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MultiResTexture::MultiResTexture(const string& source,
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const string& path)
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{
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setTexture(source, path);
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}
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void MultiResTexture::setTexture(const string& source, const string& path,
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unsigned int flags)
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{
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TextureManager* texMan = GetTextureManager();
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tex[lores] = texMan->getHandle(TextureInfo(source, path, flags, lores));
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tex[medres] = texMan->getHandle(TextureInfo(source, path, flags, medres));
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tex[hires] = texMan->getHandle(TextureInfo(source, path, flags, hires));
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}
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void MultiResTexture::setTexture(const string& source, const string& path,
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float bumpHeight, unsigned int flags)
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{
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TextureManager* texMan = GetTextureManager();
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tex[lores] = texMan->getHandle(TextureInfo(source, path, bumpHeight, flags, lores));
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tex[medres] = texMan->getHandle(TextureInfo(source, path, bumpHeight, flags, medres));
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tex[hires] = texMan->getHandle(TextureInfo(source, path, bumpHeight, flags, hires));
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}
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Texture* MultiResTexture::find(unsigned int resolution)
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{
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TextureManager* texMan = GetTextureManager();
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Texture* res = texMan->find(tex[resolution]);
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if (res != nullptr)
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return res;
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// Preferred resolution isn't available; try the second choice
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// Set these to some defaults to avoid GCC complaints
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// about possible uninitialized variable usage:
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unsigned int secondChoice = medres;
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unsigned int lastResort = hires;
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switch (resolution)
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{
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case lores:
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secondChoice = medres;
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lastResort = hires;
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break;
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case medres:
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secondChoice = lores;
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lastResort = hires;
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break;
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case hires:
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secondChoice = medres;
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lastResort = lores;
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break;
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}
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tex[resolution] = tex[secondChoice];
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res = texMan->find(tex[resolution]);
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if (res != nullptr)
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return res;
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tex[resolution] = tex[lastResort];
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return texMan->find(tex[resolution]);
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}
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bool MultiResTexture::isValid() const
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{
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return (tex[lores] != InvalidResource ||
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tex[medres] != InvalidResource ||
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tex[hires] != InvalidResource);
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}
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