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Texture.cpp
Package: MMOPRG_server_dev.rar [view]
Upload User: ghyvgy
Upload Date: 2009-05-26
Package Size: 547k
Code Size: 5k
Category:
Other Games
Development Platform:
Python
- /*
- s_p_oneil@hotmail.com
- Copyright (c) 2000, Sean O'Neil
- All rights reserved.
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
- * Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
- * Neither the name of this project nor the names of its contributors
- may be used to endorse or promote products derived from this software
- without specific prior written permission.
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- POSSIBILITY OF SUCH DAMAGE.
- */
- #include "Master.h"
- #include "Texture.h"
- CTexture CTexture::m_tCursor;
- CTexture CTexture::m_tNoise;
- CTexture CTexture::m_tStar;
- CTexture CTexture::m_tAtmosphereShell;
- CTexture CTexture::m_tCloudCell;
- void CTexture::InitStaticMembers(int nSeed, int nSize)
- {
- CPixelBuffer pb;
- pb.Init(16, 16, 2, GL_LUMINANCE_ALPHA);
- pb.MakeGlow(9.0f, 0.05f);
- m_tCursor.Init(&pb, false);
- // Initialize the shared noise texture
- pb.Init(nSize, nSize, 1, GL_LUMINANCE);
- pb.MakeNoise(nSeed);
- m_tNoise.Init(&pb, false);
- // Initialize the shared star (or glow) texture
- pb.Init(nSize, nSize);
- pb.MakeGlow(20.0f, 0.01f);
- m_tStar.Init(&pb, true);
- // Initialize the shared atmosphere shell texture
- pb.Init(nSize, nSize, 2, GL_LUMINANCE_ALPHA);
- pb.MakeAtmosphere(50.0f);
- m_tAtmosphereShell.Init(&pb, true, false);
- // Initialize the shared cloud cell texture
- pb.Init(16, 16, 2, GL_LUMINANCE_ALPHA);
- pb.MakeCloudCell(2, 0);
- m_tCloudCell.Init(&pb);
- }
- void CTexture::Init(CPixelBuffer *pBuffer, bool bClamp, bool bMipmap)
- {
- Cleanup();
- m_nType = (pBuffer->GetHeight() == 1) ? GL_TEXTURE_1D : GL_TEXTURE_2D;
- glGenTextures(1, &m_nID);
- Bind();
- glTexParameteri(m_nType, GL_TEXTURE_WRAP_S, bClamp ? GL_CLAMP : GL_REPEAT);
- glTexParameteri(m_nType, GL_TEXTURE_WRAP_T, bClamp ? GL_CLAMP : GL_REPEAT);
- glTexParameteri(m_nType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(m_nType, GL_TEXTURE_MIN_FILTER, bMipmap ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR);
- if(m_nType == GL_TEXTURE_1D)
- {
- if(bMipmap)
- gluBuild1DMipmaps(GL_TEXTURE_1D, pBuffer->GetChannels(), pBuffer->GetWidth(), pBuffer->GetFormat(), pBuffer->GetDataType(), pBuffer->GetBuffer());
- else
- glTexImage1D(GL_TEXTURE_1D, 0, pBuffer->GetChannels(), pBuffer->GetWidth(), 0, pBuffer->GetFormat(), pBuffer->GetDataType(), pBuffer->GetBuffer());
- }
- else
- {
- if(bMipmap)
- gluBuild2DMipmaps(GL_TEXTURE_2D, pBuffer->GetChannels(), pBuffer->GetWidth(), pBuffer->GetHeight(), pBuffer->GetFormat(), pBuffer->GetDataType(), pBuffer->GetBuffer());
- else
- glTexImage2D(GL_TEXTURE_2D, 0, pBuffer->GetChannels(), pBuffer->GetWidth(), pBuffer->GetHeight(), 0, pBuffer->GetFormat(), pBuffer->GetDataType(), pBuffer->GetBuffer());
- }
- }
- void CTexture::Update(CPixelBuffer *pBuffer, int nLevel)
- {
- Bind();
- if(m_nType == GL_TEXTURE_1D)
- glTexSubImage1D(GL_TEXTURE_1D, nLevel, 0, pBuffer->GetWidth(), pBuffer->GetFormat(), pBuffer->GetDataType(), pBuffer->GetBuffer());
- else
- glTexSubImage2D(GL_TEXTURE_2D, nLevel, 0, 0, pBuffer->GetWidth(), pBuffer->GetHeight(), pBuffer->GetFormat(), pBuffer->GetDataType(), pBuffer->GetBuffer());
- }
- void CTexture::InitCopy(int x, int y, int nWidth, int nHeight, bool bClamp)
- {
- Cleanup();
- m_nType = (nHeight == 1) ? GL_TEXTURE_1D : GL_TEXTURE_2D;
- glGenTextures(1, &m_nID);
- Bind();
- glTexParameteri(m_nType, GL_TEXTURE_WRAP_S, bClamp ? GL_CLAMP : GL_REPEAT);
- glTexParameteri(m_nType, GL_TEXTURE_WRAP_T, bClamp ? GL_CLAMP : GL_REPEAT);
- glTexParameteri(m_nType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(m_nType, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- if(m_nType == GL_TEXTURE_1D)
- glCopyTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA, x, y, nWidth, 0);
- else
- glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, x, y, nWidth, nHeight, 0);
- }
- void CTexture::UpdateCopy(int x, int y, int nWidth, int nHeight, int nOffx, int nOffy)
- {
- Bind();
- if(m_nType == GL_TEXTURE_1D)
- glCopyTexSubImage1D(GL_TEXTURE_1D, 0, nOffx, x, y, nWidth);
- else
- glCopyTexSubImage2D(GL_TEXTURE_2D, 0, nOffx, nOffy, x, y, nWidth, nHeight);
- }