102 lines
2.8 KiB
C++
102 lines
2.8 KiB
C++
/* Copyright (C) 2010 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. 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 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_TEXTUREENTRY
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#define INCLUDED_TEXTUREENTRY
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#include <map>
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#include "lib/res/handle.h"
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#include "lib/file/vfs/vfs_path.h"
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#include "ps/CStr.h"
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#include "TextureManager.h"
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class XMBElement;
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class CXeromyces;
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//////////////////////////////////////////////////////////////////////////////////////////////////////////
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// CTextureEntry: class wrapping a terrain texture object; contains various other required
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// elements - color of minimap, terrain "group" it belongs to, etc
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class CTextureEntry
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{
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public:
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typedef std::vector<CTerrainGroup *> GroupVector;
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private:
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// Tag = file name stripped of path and extension (grass_dark_1)
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CStrW m_Tag;
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// The property sheet used by this texture
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CTerrainPropertiesPtr m_pProperties;
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VfsPath m_TexturePath;
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Handle m_Handle; // handle to GL texture data
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// BGRA color of topmost mipmap level, for coloring minimap, or a color
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// specified by the terrain properties
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u32 m_BaseColor;
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// ..Valid is true if the base color has been cached
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bool m_BaseColorValid;
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// All terrain type groups we're a member of
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GroupVector m_Groups;
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// load texture from file
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void LoadTexture();
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// calculate the root color of the texture, used for coloring minimap
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void BuildBaseColor();
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public:
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// Most of the texture's data is delay-loaded, so after the constructor has
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// been called, the texture entry is ready to be used.
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CTextureEntry(CTerrainPropertiesPtr props, const VfsPath& path);
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~CTextureEntry();
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CStr GetTag() const
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{ return m_Tag; }
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CTerrainPropertiesPtr GetProperties() const
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{ return m_pProperties; }
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VfsPath GetTexturePath() const
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{ return m_TexturePath; }
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// Get texture handle, load texture if not loaded.
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Handle GetHandle() {
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if (m_Handle==-1) LoadTexture();
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return m_Handle;
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}
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// Get mipmap color in BGRA format
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u32 GetBaseColor() {
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if (!m_BaseColorValid) BuildBaseColor();
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return m_BaseColor;
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}
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// ScEd wants to sort textures by their group's index.
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size_t GetType() const
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{ return m_Groups[0]->GetIndex(); }
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const GroupVector &GetGroups() const
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{ return m_Groups; }
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// returns whether this texture-entry has loaded any data yet
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bool IsLoaded() { return (m_Handle!=-1); }
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};
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#endif
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