1 | /*
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2 | -----------------------------------------------------------------------------
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3 | This source file is part of OGRE
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4 | (Object-oriented Graphics Rendering Engine)
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5 | For the latest info, see http://ogre.sourceforge.net/
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6 |
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7 | Copyright (c) 2000-2005 The OGRE Team
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8 | Also see acknowledgements in Readme.html
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9 |
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10 | This program is free software; you can redistribute it and/or modify it under
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11 | the terms of the GNU Lesser General Public License as published by the Free Software
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12 | Foundation; either version 2 of the License, or (at your option) any later
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13 | version.
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14 |
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15 | This program is distributed in the hope that it will be useful, but WITHOUT
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16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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18 |
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19 | You should have received a copy of the GNU Lesser General Public License along with
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20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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22 | http://www.gnu.org/copyleft/lesser.txt.
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23 | -----------------------------------------------------------------------------
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24 | */
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25 | #include "OgreStableHeaders.h"
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26 |
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27 | #include "OgreTextureUnitState.h"
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28 | #include "OgrePass.h"
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29 | #include "OgreMaterialManager.h"
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30 | #include "OgreControllerManager.h"
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31 | #include "OgreLogManager.h"
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32 | #include "OgreException.h"
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33 | #include "OgreTextureManager.h"
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34 |
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35 | namespace Ogre {
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36 |
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37 | //-----------------------------------------------------------------------
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38 | TextureUnitState::TextureUnitState(Pass* parent)
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39 | : mParent(parent)
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40 | {
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41 | mIsBlank = true;
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42 | colourBlendMode.blendType = LBT_COLOUR;
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43 | setColourOperation(LBO_MODULATE);
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44 | setTextureAddressingMode(TAM_WRAP);
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45 |
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46 | alphaBlendMode.operation = LBX_MODULATE;
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47 | alphaBlendMode.blendType = LBT_ALPHA;
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48 | alphaBlendMode.source1 = LBS_TEXTURE;
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49 | alphaBlendMode.source2 = LBS_CURRENT;
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50 |
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51 | //default filtering
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52 | mMinFilter = FO_LINEAR;
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53 | mMagFilter = FO_LINEAR;
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54 | mMipFilter = FO_POINT;
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55 | mMaxAniso = MaterialManager::getSingleton().getDefaultAnisotropy();
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56 | mIsDefaultAniso = true;
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57 | mIsDefaultFiltering = true;
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58 |
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59 | mUMod = mVMod = 0;
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60 | mUScale = mVScale = 1;
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61 | mRotate = 0;
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62 | mTexModMatrix = Matrix4::IDENTITY;
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63 | mRecalcTexMatrix = false;
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64 |
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65 | mNumFrames = 0;
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66 | mAnimDuration = 0;
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67 | mAnimController = 0;
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68 | mCubic = false;
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69 | mTextureType = TEX_TYPE_2D;
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70 | mTextureSrcMipmaps = -1;
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71 | mTextureCoordSetIndex = 0;
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72 |
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73 | mFrames[0] = StringUtil::BLANK;
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74 | mCurrentFrame = 0;
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75 |
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76 | mParent->_dirtyHash();
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77 |
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78 | }
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79 |
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80 | //-----------------------------------------------------------------------
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81 | TextureUnitState::TextureUnitState(Pass* parent, const TextureUnitState& oth )
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82 | {
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83 | mParent = parent;
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84 | mAnimController = 0;
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85 | *this = oth;
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86 | }
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87 |
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88 | //-----------------------------------------------------------------------
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89 | TextureUnitState::TextureUnitState( Pass* parent, const String& texName, unsigned int texCoordSet)
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90 | :mParent(parent)
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91 | {
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92 | mIsBlank = true;
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93 | colourBlendMode.blendType = LBT_COLOUR;
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94 | setColourOperation(LBO_MODULATE);
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95 | setTextureAddressingMode(TAM_WRAP);
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96 |
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97 | alphaBlendMode.operation = LBX_MODULATE;
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98 | alphaBlendMode.blendType = LBT_ALPHA;
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99 | alphaBlendMode.source1 = LBS_TEXTURE;
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100 | alphaBlendMode.source2 = LBS_CURRENT;
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101 |
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102 | //default filtering && anisotropy
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103 | mMinFilter = FO_LINEAR;
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104 | mMagFilter = FO_LINEAR;
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105 | mMipFilter = FO_POINT;
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106 | mMaxAniso = MaterialManager::getSingleton().getDefaultAnisotropy();
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107 | mIsDefaultAniso = true;
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108 | mIsDefaultFiltering = true;
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109 |
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110 | mUMod = mVMod = 0;
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111 | mUScale = mVScale = 1;
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112 | mRotate = 0;
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113 | mAnimDuration = 0;
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114 | mAnimController = 0;
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115 | mTexModMatrix = Matrix4::IDENTITY;
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116 | mRecalcTexMatrix = false;
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117 |
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118 | mCubic = false;
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119 | mTextureType = TEX_TYPE_2D;
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120 | mTextureCoordSetIndex = 0;
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121 |
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122 | setTextureName(texName);
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123 | setTextureCoordSet(texCoordSet);
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124 |
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125 | mParent->_dirtyHash();
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126 |
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127 | }
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128 | //-----------------------------------------------------------------------
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129 | TextureUnitState::~TextureUnitState()
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130 | {
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131 | // Unload ensure all controllers destroyed
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132 | _unload();
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133 | }
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134 | //-----------------------------------------------------------------------
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135 | TextureUnitState & TextureUnitState::operator = (
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136 | const TextureUnitState &oth )
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137 | {
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138 | assert(mAnimController == 0);
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139 | assert(mEffects.empty());
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140 |
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141 | // copy basic members (int's, real's)
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142 | memcpy( this, &oth, (uchar *)(&oth.mFrames[0]) - (uchar *)(&oth) );
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143 |
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144 | // copy complex members
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145 | for( ushort i = 0; i<mNumFrames; i++ )
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146 | mFrames[i] = oth.mFrames[i];
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147 |
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148 | mEffects = oth.mEffects;
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149 |
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150 | // Can't sharing controllers with other TUS, reset to null to avoid potential bug.
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151 | for (EffectMap::iterator j = mEffects.begin(); j != mEffects.end(); ++j)
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152 | {
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153 | j->second.controller = 0;
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154 | }
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155 |
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156 | // Load immediately if Material loaded
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157 | if (isLoaded())
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158 | {
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159 | _load();
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160 | // Tell parent to recalculate hash
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161 | mParent->_dirtyHash();
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162 | }
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163 |
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164 | return *this;
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165 | }
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166 | //-----------------------------------------------------------------------
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167 | const String& TextureUnitState::getTextureName(void) const
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168 | {
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169 | // Return name of current frame
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170 | return mFrames[mCurrentFrame];
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171 | }
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172 | //-----------------------------------------------------------------------
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173 | void TextureUnitState::setTextureName( const String& name, TextureType texType, int mipmaps)
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174 | {
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175 | if (texType == TEX_TYPE_CUBE_MAP)
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176 | {
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177 | // delegate to cubic texture implementation
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178 | setCubicTextureName(name, true);
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179 | }
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180 | else
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181 | {
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182 | mFrames[0] = name;
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183 | mNumFrames = 1;
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184 | mCurrentFrame = 0;
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185 | mCubic = false;
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186 | mTextureType = texType;
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187 | mTextureSrcMipmaps = mipmaps;
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188 |
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189 | if (name == "")
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190 | {
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191 | mIsBlank = true;
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192 | return;
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193 | }
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194 |
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195 | // Load immediately ?
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196 | if (isLoaded())
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197 | {
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198 | _load(); // reload
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199 | // Tell parent to recalculate hash
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200 | mParent->_dirtyHash();
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201 | }
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202 | }
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203 |
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204 | }
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205 | //-----------------------------------------------------------------------
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206 | void TextureUnitState::setCubicTextureName( const String& name, bool forUVW)
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207 | {
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208 | if (forUVW)
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209 | {
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210 | setCubicTextureName(&name, forUVW);
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211 | }
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212 | else
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213 | {
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214 | String ext;
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215 | String suffixes[6] = {"_fr", "_bk", "_lf", "_rt", "_up", "_dn"};
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216 | String baseName;
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217 | String fullNames[6];
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218 |
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219 |
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220 | size_t pos = name.find_last_of(".");
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221 | baseName = name.substr(0, pos);
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222 | ext = name.substr(pos);
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223 |
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224 | for (int i = 0; i < 6; ++i)
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225 | {
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226 | fullNames[i] = baseName + suffixes[i] + ext;
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227 | }
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228 |
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229 | setCubicTextureName(fullNames, forUVW);
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230 | }
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231 | }
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232 | //-----------------------------------------------------------------------
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233 | void TextureUnitState::setCubicTextureName(const String* const names, bool forUVW)
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234 | {
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235 | mNumFrames = forUVW ? 1 : 6;
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236 | mCurrentFrame = 0;
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237 | mCubic = true;
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238 | mTextureType = forUVW ? TEX_TYPE_CUBE_MAP : TEX_TYPE_2D;
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239 |
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240 | for (unsigned int i = 0; i < mNumFrames; ++i)
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241 | {
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242 | mFrames[i] = names[i];
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243 | }
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244 | // Tell parent we need recompiling, will cause reload too
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245 | mParent->_notifyNeedsRecompile();
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246 | }
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247 | //-----------------------------------------------------------------------
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248 | bool TextureUnitState::isCubic(void) const
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249 | {
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250 | return mCubic;
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251 | }
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252 | //-----------------------------------------------------------------------
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253 | bool TextureUnitState::is3D(void) const
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254 | {
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255 | return mTextureType == TEX_TYPE_CUBE_MAP;
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256 | }
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257 | //-----------------------------------------------------------------------
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258 | TextureType TextureUnitState::getTextureType(void) const
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259 | {
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260 | return mTextureType;
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261 |
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262 | }
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263 | //-----------------------------------------------------------------------
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264 | void TextureUnitState::setAnimatedTextureName( const String& name, unsigned int numFrames, Real duration)
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265 | {
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266 | String ext;
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267 | String baseName;
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268 |
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269 | size_t pos = name.find_last_of(".");
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270 | baseName = name.substr(0, pos);
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271 | ext = name.substr(pos);
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272 |
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273 | if (numFrames > OGRE_MAX_TEXTURE_FRAMES)
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274 | {
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275 | StringUtil::StrStreamType str;
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276 | str << "Maximum number of frames is " << OGRE_MAX_TEXTURE_FRAMES << ".";
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277 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, str.str(), "TextureUnitState::setAnimatedTextureName");
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278 | }
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279 | mNumFrames = numFrames;
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280 | mAnimDuration = duration;
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281 | mCurrentFrame = 0;
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282 | mCubic = false;
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283 |
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284 | for (unsigned int i = 0; i < mNumFrames; ++i)
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285 | {
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286 | StringUtil::StrStreamType str;
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287 | str << baseName << "_" << i << ext;
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288 | mFrames[i] = str.str();
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289 | }
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290 |
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291 | // Load immediately if Material loaded
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292 | if (isLoaded())
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293 | {
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294 | _load();
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295 | // Tell parent to recalculate hash
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296 | mParent->_dirtyHash();
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297 | }
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298 |
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299 | }
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300 | //-----------------------------------------------------------------------
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301 | void TextureUnitState::setAnimatedTextureName(const String* const names, unsigned int numFrames, Real duration)
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302 | {
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303 | if (numFrames > OGRE_MAX_TEXTURE_FRAMES)
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304 | {
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305 | StringUtil::StrStreamType str;
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306 | str << "Maximum number of frames is " << OGRE_MAX_TEXTURE_FRAMES << ".";
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307 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, str.str(), "TextureUnitState::setAnimatedTextureName");
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308 | }
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309 | mNumFrames = numFrames;
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310 | mAnimDuration = duration;
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311 | mCurrentFrame = 0;
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312 | mCubic = false;
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313 |
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314 | for (unsigned int i = 0; i < mNumFrames; ++i)
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315 | {
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316 | mFrames[i] = names[i];
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317 | }
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318 |
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319 | // Load immediately if Material loaded
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320 | if (isLoaded())
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321 | {
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322 | _load();
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323 | // Tell parent to recalculate hash
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324 | mParent->_dirtyHash();
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325 | }
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326 | }
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327 | //-----------------------------------------------------------------------
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328 | std::pair< uint, uint > TextureUnitState::getTextureDimensions( unsigned int frame ) const
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329 | {
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330 | TexturePtr tex = TextureManager::getSingleton().getByName( mFrames[ frame ] );
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331 |
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332 | if (tex.isNull())
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333 | OGRE_EXCEPT( Exception::ERR_ITEM_NOT_FOUND, "Could not find texture " + mFrames[ frame ],
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334 | "TextureUnitState::getTextureDimensions" );
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335 | return std::pair< uint, uint >( tex->getWidth(), tex->getHeight() );
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336 | }
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337 | //-----------------------------------------------------------------------
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338 | void TextureUnitState::setCurrentFrame(unsigned int frameNumber)
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339 | {
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340 | assert(frameNumber < mNumFrames);
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341 | mCurrentFrame = frameNumber;
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342 | // this will affect the hash
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343 | mParent->_dirtyHash();
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344 |
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345 | }
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346 | //-----------------------------------------------------------------------
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347 | unsigned int TextureUnitState::getCurrentFrame(void) const
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348 | {
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349 | return mCurrentFrame;
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350 | }
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351 | //-----------------------------------------------------------------------
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352 | unsigned int TextureUnitState::getNumFrames(void) const
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353 | {
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354 | return mNumFrames;
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355 | }
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356 | //-----------------------------------------------------------------------
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357 | const String& TextureUnitState::getFrameTextureName(unsigned int frameNumber) const
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358 | {
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359 | assert(frameNumber < mNumFrames);
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360 | return mFrames[frameNumber];
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361 | }
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362 | //-----------------------------------------------------------------------
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363 | unsigned int TextureUnitState::getTextureCoordSet(void) const
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364 | {
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365 | return mTextureCoordSetIndex;
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366 | }
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367 | //-----------------------------------------------------------------------
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368 | void TextureUnitState::setTextureCoordSet(unsigned int set)
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369 | {
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370 | mTextureCoordSetIndex = set;
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371 | }
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372 | //-----------------------------------------------------------------------
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373 | void TextureUnitState::setColourOperationEx(LayerBlendOperationEx op,
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374 | LayerBlendSource source1,
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375 | LayerBlendSource source2,
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376 | const ColourValue& arg1,
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377 | const ColourValue& arg2,
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378 | Real manualBlend)
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379 | {
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380 | colourBlendMode.operation = op;
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381 | colourBlendMode.source1 = source1;
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382 | colourBlendMode.source2 = source2;
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383 | colourBlendMode.colourArg1 = arg1;
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384 | colourBlendMode.colourArg2 = arg2;
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385 | colourBlendMode.factor = manualBlend;
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386 | }
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387 | //-----------------------------------------------------------------------
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388 | void TextureUnitState::setColourOperation(LayerBlendOperation op)
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389 | {
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390 | // Set up the multitexture and multipass blending operations
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391 | switch (op)
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392 | {
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393 | case LBO_REPLACE:
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394 | setColourOperationEx(LBX_SOURCE1, LBS_TEXTURE, LBS_CURRENT);
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395 | setColourOpMultipassFallback(SBF_ONE, SBF_ZERO);
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396 | break;
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397 | case LBO_ADD:
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398 | setColourOperationEx(LBX_ADD, LBS_TEXTURE, LBS_CURRENT);
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399 | setColourOpMultipassFallback(SBF_ONE, SBF_ONE);
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400 | break;
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401 | case LBO_MODULATE:
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402 | setColourOperationEx(LBX_MODULATE, LBS_TEXTURE, LBS_CURRENT);
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403 | setColourOpMultipassFallback(SBF_DEST_COLOUR, SBF_ZERO);
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404 | break;
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405 | case LBO_ALPHA_BLEND:
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406 | setColourOperationEx(LBX_BLEND_TEXTURE_ALPHA, LBS_TEXTURE, LBS_CURRENT);
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407 | setColourOpMultipassFallback(SBF_SOURCE_ALPHA, SBF_ONE_MINUS_SOURCE_ALPHA);
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408 | break;
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409 | }
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410 |
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411 |
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412 | }
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413 | //-----------------------------------------------------------------------
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414 | void TextureUnitState::setColourOpMultipassFallback(SceneBlendFactor sourceFactor, SceneBlendFactor destFactor)
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415 | {
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416 | colourBlendFallbackSrc = sourceFactor;
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417 | colourBlendFallbackDest = destFactor;
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418 | }
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419 | //-----------------------------------------------------------------------
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420 | void TextureUnitState::setAlphaOperation(LayerBlendOperationEx op,
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421 | LayerBlendSource source1,
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422 | LayerBlendSource source2,
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423 | Real arg1,
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424 | Real arg2,
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425 | Real manualBlend)
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426 | {
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427 | alphaBlendMode.operation = op;
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428 | alphaBlendMode.source1 = source1;
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429 | alphaBlendMode.source2 = source2;
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430 | alphaBlendMode.alphaArg1 = arg1;
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431 | alphaBlendMode.alphaArg2 = arg2;
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432 | alphaBlendMode.factor = manualBlend;
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433 | }
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434 | //-----------------------------------------------------------------------
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435 | void TextureUnitState::addEffect(TextureEffect& effect)
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436 | {
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437 | // Ensure controller pointer is null
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438 | effect.controller = 0;
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439 |
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440 | if (effect.type == ET_ENVIRONMENT_MAP || effect.type == ET_SCROLL || effect.type == ET_ROTATE
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441 | || effect.type == ET_PROJECTIVE_TEXTURE)
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442 | {
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443 | // Replace - must be unique
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444 | // Search for existing effect of this type
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445 | EffectMap::iterator i = mEffects.find(effect.type);
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446 | if (i != mEffects.end())
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447 | {
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448 | // Destroy old effect controller if exist
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449 | if (i->second.controller)
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450 | {
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451 | ControllerManager::getSingleton().destroyController(i->second.controller);
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452 | }
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453 |
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454 | mEffects.erase(i);
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455 | }
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456 | }
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457 |
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458 | if (isLoaded())
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459 | {
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460 | // Create controller
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461 | createEffectController(effect);
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462 | }
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463 |
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464 | // Record new effect
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465 | mEffects.insert(EffectMap::value_type(effect.type, effect));
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466 |
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467 | }
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468 | //-----------------------------------------------------------------------
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469 | void TextureUnitState::removeAllEffects(void)
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470 | {
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471 | // Iterate over effects to remove controllers
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472 | EffectMap::iterator i, iend;
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473 | iend = mEffects.end();
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474 | for (i = mEffects.begin(); i != iend; ++i)
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475 | {
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476 | if (i->second.controller)
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477 | {
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478 | ControllerManager::getSingleton().destroyController(i->second.controller);
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479 | }
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480 | }
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481 |
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---|
482 | mEffects.clear();
|
---|
483 | }
|
---|
484 |
|
---|
485 | //-----------------------------------------------------------------------
|
---|
486 | bool TextureUnitState::isBlank(void) const
|
---|
487 | {
|
---|
488 | return mIsBlank;
|
---|
489 | }
|
---|
490 |
|
---|
491 | //-----------------------------------------------------------------------
|
---|
492 | SceneBlendFactor TextureUnitState::getColourBlendFallbackSrc(void) const
|
---|
493 | {
|
---|
494 | return colourBlendFallbackSrc;
|
---|
495 | }
|
---|
496 | //-----------------------------------------------------------------------
|
---|
497 | SceneBlendFactor TextureUnitState::getColourBlendFallbackDest(void) const
|
---|
498 | {
|
---|
499 | return colourBlendFallbackDest;
|
---|
500 | }
|
---|
501 | //-----------------------------------------------------------------------
|
---|
502 | const LayerBlendModeEx& TextureUnitState::getColourBlendMode(void) const
|
---|
503 | {
|
---|
504 | return colourBlendMode;
|
---|
505 | }
|
---|
506 | //-----------------------------------------------------------------------
|
---|
507 | const LayerBlendModeEx& TextureUnitState::getAlphaBlendMode(void) const
|
---|
508 | {
|
---|
509 | return alphaBlendMode;
|
---|
510 | }
|
---|
511 | //-----------------------------------------------------------------------
|
---|
512 | TextureUnitState::TextureAddressingMode TextureUnitState::getTextureAddressingMode(void) const
|
---|
513 | {
|
---|
514 | return mAddressMode;
|
---|
515 | }
|
---|
516 | //-----------------------------------------------------------------------
|
---|
517 | void TextureUnitState::setTextureAddressingMode(TextureUnitState::TextureAddressingMode tam)
|
---|
518 | {
|
---|
519 | mAddressMode = tam;
|
---|
520 | }
|
---|
521 | //-----------------------------------------------------------------------
|
---|
522 | void TextureUnitState::setEnvironmentMap(bool enable, EnvMapType envMapType)
|
---|
523 | {
|
---|
524 | if (enable)
|
---|
525 | {
|
---|
526 | TextureEffect eff;
|
---|
527 | eff.type = ET_ENVIRONMENT_MAP;
|
---|
528 |
|
---|
529 | eff.subtype = envMapType;
|
---|
530 | addEffect(eff);
|
---|
531 | }
|
---|
532 | else
|
---|
533 | {
|
---|
534 | removeEffect(ET_ENVIRONMENT_MAP);
|
---|
535 | }
|
---|
536 | }
|
---|
537 | //-----------------------------------------------------------------------
|
---|
538 | void TextureUnitState::removeEffect(TextureEffectType type)
|
---|
539 | {
|
---|
540 | // Get range of items matching this effect
|
---|
541 | std::pair< EffectMap::iterator, EffectMap::iterator > remPair =
|
---|
542 | mEffects.equal_range( type );
|
---|
543 | // Remove controllers
|
---|
544 | for (EffectMap::iterator i = remPair.first; i != remPair.second; ++i)
|
---|
545 | {
|
---|
546 | if (i->second.controller)
|
---|
547 | {
|
---|
548 | ControllerManager::getSingleton().destroyController(i->second.controller);
|
---|
549 | }
|
---|
550 | }
|
---|
551 | // Erase
|
---|
552 | mEffects.erase( remPair.first, remPair.second );
|
---|
553 | }
|
---|
554 | //-----------------------------------------------------------------------
|
---|
555 | void TextureUnitState::setBlank(void)
|
---|
556 | {
|
---|
557 | mIsBlank = true;
|
---|
558 | }
|
---|
559 | //-----------------------------------------------------------------------
|
---|
560 | void TextureUnitState::setTextureTransform(const Matrix4& xform)
|
---|
561 | {
|
---|
562 | mTexModMatrix = xform;
|
---|
563 | mRecalcTexMatrix = false;
|
---|
564 | }
|
---|
565 | //-----------------------------------------------------------------------
|
---|
566 | void TextureUnitState::setTextureScroll(Real u, Real v)
|
---|
567 | {
|
---|
568 | mUMod = u;
|
---|
569 | mVMod = v;
|
---|
570 | mRecalcTexMatrix = true;
|
---|
571 | }
|
---|
572 | //-----------------------------------------------------------------------
|
---|
573 | void TextureUnitState::setTextureScale(Real uScale, Real vScale)
|
---|
574 | {
|
---|
575 | mUScale = uScale;
|
---|
576 | mVScale = vScale;
|
---|
577 | mRecalcTexMatrix = true;
|
---|
578 | }
|
---|
579 | //-----------------------------------------------------------------------
|
---|
580 | void TextureUnitState::setTextureRotate(const Radian& angle)
|
---|
581 | {
|
---|
582 | mRotate = angle;
|
---|
583 | mRecalcTexMatrix = true;
|
---|
584 | }
|
---|
585 | //-----------------------------------------------------------------------
|
---|
586 | const Matrix4& TextureUnitState::getTextureTransform() const
|
---|
587 | {
|
---|
588 | if (mRecalcTexMatrix)
|
---|
589 | recalcTextureMatrix();
|
---|
590 | return mTexModMatrix;
|
---|
591 |
|
---|
592 | }
|
---|
593 | //-----------------------------------------------------------------------
|
---|
594 | void TextureUnitState::recalcTextureMatrix() const
|
---|
595 | {
|
---|
596 | // Assumption: 2D texture coords
|
---|
597 | Matrix3 xform, rot;
|
---|
598 |
|
---|
599 | xform = Matrix3::IDENTITY;
|
---|
600 | if (mUScale || mVScale)
|
---|
601 | {
|
---|
602 | // Offset to center of texture
|
---|
603 | xform[0][0] = 1/mUScale;
|
---|
604 | xform[1][1] = 1/mVScale;
|
---|
605 | // Skip matrix concat since first matrix update
|
---|
606 | xform[0][2] = (-0.5 * xform[0][0]) + 0.5;
|
---|
607 | xform[1][2] = (-0.5 * xform[1][1]) + 0.5;
|
---|
608 |
|
---|
609 | }
|
---|
610 |
|
---|
611 | if (mUMod || mVMod)
|
---|
612 | {
|
---|
613 | Matrix3 xlate = Matrix3::IDENTITY;
|
---|
614 |
|
---|
615 | xlate[0][2] = mUMod;
|
---|
616 | xlate[1][2] = mVMod;
|
---|
617 |
|
---|
618 | xform = xlate * xform;
|
---|
619 | }
|
---|
620 |
|
---|
621 | if (mRotate != Radian(0))
|
---|
622 | {
|
---|
623 | rot = Matrix3::IDENTITY;
|
---|
624 | Radian theta ( mRotate );
|
---|
625 | Real cosTheta = Math::Cos(theta);
|
---|
626 | Real sinTheta = Math::Sin(theta);
|
---|
627 |
|
---|
628 | rot[0][0] = cosTheta;
|
---|
629 | rot[0][1] = -sinTheta;
|
---|
630 | rot[1][0] = sinTheta;
|
---|
631 | rot[1][1] = cosTheta;
|
---|
632 | // Offset center of rotation to center of texture
|
---|
633 | rot[0][2] = 0.5 + ( (-0.5 * cosTheta) - (-0.5 * sinTheta) );
|
---|
634 | rot[1][2] = 0.5 + ( (-0.5 * sinTheta) + (-0.5 * cosTheta) );
|
---|
635 |
|
---|
636 |
|
---|
637 | xform = rot * xform;
|
---|
638 | }
|
---|
639 |
|
---|
640 | mTexModMatrix = xform;
|
---|
641 |
|
---|
642 | }
|
---|
643 | //-----------------------------------------------------------------------
|
---|
644 | void TextureUnitState::setTextureUScroll(Real value)
|
---|
645 | {
|
---|
646 | mUMod = value;
|
---|
647 | mRecalcTexMatrix = true;
|
---|
648 | }
|
---|
649 | //-----------------------------------------------------------------------
|
---|
650 | void TextureUnitState::setTextureVScroll(Real value)
|
---|
651 | {
|
---|
652 | mVMod = value;
|
---|
653 | mRecalcTexMatrix = true;
|
---|
654 | }
|
---|
655 | //-----------------------------------------------------------------------
|
---|
656 | void TextureUnitState::setTextureUScale(Real value)
|
---|
657 | {
|
---|
658 | mUScale = value;
|
---|
659 | mRecalcTexMatrix = true;
|
---|
660 | }
|
---|
661 | //-----------------------------------------------------------------------
|
---|
662 | void TextureUnitState::setTextureVScale(Real value)
|
---|
663 | {
|
---|
664 | mVScale = value;
|
---|
665 | mRecalcTexMatrix = true;
|
---|
666 | }
|
---|
667 | //-----------------------------------------------------------------------
|
---|
668 | void TextureUnitState::setScrollAnimation(Real uSpeed, Real vSpeed)
|
---|
669 | {
|
---|
670 | // Remove existing effect
|
---|
671 | removeEffect(ET_SCROLL);
|
---|
672 | // Create new effect
|
---|
673 | TextureEffect eff;
|
---|
674 | eff.type = ET_SCROLL;
|
---|
675 | eff.arg1 = uSpeed;
|
---|
676 | eff.arg2 = vSpeed;
|
---|
677 | addEffect(eff);
|
---|
678 | }
|
---|
679 | //-----------------------------------------------------------------------
|
---|
680 | void TextureUnitState::setRotateAnimation(Real speed)
|
---|
681 | {
|
---|
682 | // Remove existing effect
|
---|
683 | removeEffect(ET_ROTATE);
|
---|
684 | // Create new effect
|
---|
685 | TextureEffect eff;
|
---|
686 | eff.type = ET_ROTATE;
|
---|
687 | eff.arg1 = speed;
|
---|
688 | addEffect(eff);
|
---|
689 | }
|
---|
690 | //-----------------------------------------------------------------------
|
---|
691 | void TextureUnitState::setTransformAnimation(TextureTransformType ttype,
|
---|
692 | WaveformType waveType, Real base, Real frequency, Real phase, Real amplitude)
|
---|
693 | {
|
---|
694 | // Remove existing effect
|
---|
695 | removeEffect(ET_TRANSFORM);
|
---|
696 | // Create new effect
|
---|
697 | TextureEffect eff;
|
---|
698 | eff.type = ET_TRANSFORM;
|
---|
699 | eff.subtype = ttype;
|
---|
700 | eff.waveType = waveType;
|
---|
701 | eff.base = base;
|
---|
702 | eff.frequency = frequency;
|
---|
703 | eff.phase = phase;
|
---|
704 | eff.amplitude = amplitude;
|
---|
705 | addEffect(eff);
|
---|
706 | }
|
---|
707 | //-----------------------------------------------------------------------
|
---|
708 | void TextureUnitState::_load(void)
|
---|
709 | {
|
---|
710 | // Unload first
|
---|
711 | _unload();
|
---|
712 |
|
---|
713 | // Load textures
|
---|
714 | for (unsigned int i = 0; i < mNumFrames; ++i)
|
---|
715 | {
|
---|
716 | if (mFrames[i] != "")
|
---|
717 | {
|
---|
718 | // Ensure texture is loaded, specified number of mipmaps and priority
|
---|
719 | try {
|
---|
720 |
|
---|
721 | TextureManager::getSingleton().load(mFrames[i],
|
---|
722 | mParent->getResourceGroup(), mTextureType, mTextureSrcMipmaps);
|
---|
723 | mIsBlank = false;
|
---|
724 | }
|
---|
725 | catch (Exception &e) {
|
---|
726 | String msg;
|
---|
727 | msg = msg + "Error loading texture " + mFrames[i] +
|
---|
728 | ". Texture layer will be blank. Loading the texture failed with the following exception: "+e.getFullDescription();
|
---|
729 | LogManager::getSingleton().logMessage(msg);
|
---|
730 | mIsBlank = true;
|
---|
731 | }
|
---|
732 | }
|
---|
733 | }
|
---|
734 | // Animation controller
|
---|
735 | if (mAnimDuration != 0)
|
---|
736 | {
|
---|
737 | createAnimController();
|
---|
738 | }
|
---|
739 | // Effect controllers
|
---|
740 | for (EffectMap::iterator it = mEffects.begin(); it != mEffects.end(); ++it)
|
---|
741 | {
|
---|
742 | createEffectController(it->second);
|
---|
743 | }
|
---|
744 |
|
---|
745 | }
|
---|
746 | //-----------------------------------------------------------------------
|
---|
747 | void TextureUnitState::createAnimController(void)
|
---|
748 | {
|
---|
749 | assert(mAnimController == 0);
|
---|
750 | mAnimController = ControllerManager::getSingleton().createTextureAnimator(this, mAnimDuration);
|
---|
751 |
|
---|
752 | }
|
---|
753 | //-----------------------------------------------------------------------
|
---|
754 | void TextureUnitState::createEffectController(TextureEffect& effect)
|
---|
755 | {
|
---|
756 | assert(effect.controller == 0);
|
---|
757 | ControllerManager& cMgr = ControllerManager::getSingleton();
|
---|
758 | switch (effect.type)
|
---|
759 | {
|
---|
760 | case ET_SCROLL:
|
---|
761 | effect.controller = cMgr.createTextureScroller(this, effect.arg1, effect.arg2);
|
---|
762 | break;
|
---|
763 | case ET_ROTATE:
|
---|
764 | effect.controller = cMgr.createTextureRotater(this, effect.arg1);
|
---|
765 | break;
|
---|
766 | case ET_TRANSFORM:
|
---|
767 | effect.controller = cMgr.createTextureWaveTransformer(this, (TextureUnitState::TextureTransformType)effect.subtype, effect.waveType, effect.base,
|
---|
768 | effect.frequency, effect.phase, effect.amplitude);
|
---|
769 | break;
|
---|
770 | case ET_ENVIRONMENT_MAP:
|
---|
771 | break;
|
---|
772 | default:
|
---|
773 | break;
|
---|
774 | }
|
---|
775 | }
|
---|
776 | //-----------------------------------------------------------------------
|
---|
777 | Real TextureUnitState::getTextureUScroll(void) const
|
---|
778 | {
|
---|
779 | return mUMod;
|
---|
780 | }
|
---|
781 |
|
---|
782 | //-----------------------------------------------------------------------
|
---|
783 | Real TextureUnitState::getTextureVScroll(void) const
|
---|
784 | {
|
---|
785 | return mVMod;
|
---|
786 | }
|
---|
787 |
|
---|
788 | //-----------------------------------------------------------------------
|
---|
789 | Real TextureUnitState::getTextureUScale(void) const
|
---|
790 | {
|
---|
791 | return mUScale;
|
---|
792 | }
|
---|
793 |
|
---|
794 | //-----------------------------------------------------------------------
|
---|
795 | Real TextureUnitState::getTextureVScale(void) const
|
---|
796 | {
|
---|
797 | return mVScale;
|
---|
798 | }
|
---|
799 |
|
---|
800 | //-----------------------------------------------------------------------
|
---|
801 | const Radian& TextureUnitState::getTextureRotate(void) const
|
---|
802 | {
|
---|
803 | return mRotate;
|
---|
804 | }
|
---|
805 |
|
---|
806 | //-----------------------------------------------------------------------
|
---|
807 | Real TextureUnitState::getAnimationDuration(void) const
|
---|
808 | {
|
---|
809 | return mAnimDuration;
|
---|
810 | }
|
---|
811 |
|
---|
812 | //-----------------------------------------------------------------------
|
---|
813 | std::multimap<TextureUnitState::TextureEffectType, TextureUnitState::TextureEffect> TextureUnitState::getEffects(void) const
|
---|
814 | {
|
---|
815 | return mEffects;
|
---|
816 | }
|
---|
817 |
|
---|
818 | //-----------------------------------------------------------------------
|
---|
819 | void TextureUnitState::setTextureFiltering(TextureFilterOptions filterType)
|
---|
820 | {
|
---|
821 | switch (filterType)
|
---|
822 | {
|
---|
823 | case TFO_NONE:
|
---|
824 | setTextureFiltering(FO_POINT, FO_POINT, FO_NONE);
|
---|
825 | break;
|
---|
826 | case TFO_BILINEAR:
|
---|
827 | setTextureFiltering(FO_LINEAR, FO_LINEAR, FO_POINT);
|
---|
828 | break;
|
---|
829 | case TFO_TRILINEAR:
|
---|
830 | setTextureFiltering(FO_LINEAR, FO_LINEAR, FO_LINEAR);
|
---|
831 | break;
|
---|
832 | case TFO_ANISOTROPIC:
|
---|
833 | setTextureFiltering(FO_ANISOTROPIC, FO_ANISOTROPIC, FO_LINEAR);
|
---|
834 | break;
|
---|
835 | }
|
---|
836 | mIsDefaultFiltering = false;
|
---|
837 | }
|
---|
838 | //-----------------------------------------------------------------------
|
---|
839 | void TextureUnitState::setTextureFiltering(FilterType ft, FilterOptions fo)
|
---|
840 | {
|
---|
841 | switch (ft)
|
---|
842 | {
|
---|
843 | case FT_MIN:
|
---|
844 | mMinFilter = fo;
|
---|
845 | break;
|
---|
846 | case FT_MAG:
|
---|
847 | mMagFilter = fo;
|
---|
848 | break;
|
---|
849 | case FT_MIP:
|
---|
850 | mMipFilter = fo;
|
---|
851 | break;
|
---|
852 | }
|
---|
853 | mIsDefaultFiltering = false;
|
---|
854 | }
|
---|
855 | //-----------------------------------------------------------------------
|
---|
856 | void TextureUnitState::setTextureFiltering(FilterOptions minFilter,
|
---|
857 | FilterOptions magFilter, FilterOptions mipFilter)
|
---|
858 | {
|
---|
859 | mMinFilter = minFilter;
|
---|
860 | mMagFilter = magFilter;
|
---|
861 | mMipFilter = mipFilter;
|
---|
862 | mIsDefaultFiltering = false;
|
---|
863 | }
|
---|
864 | //-----------------------------------------------------------------------
|
---|
865 | FilterOptions TextureUnitState::getTextureFiltering(FilterType ft) const
|
---|
866 | {
|
---|
867 |
|
---|
868 | switch (ft)
|
---|
869 | {
|
---|
870 | case FT_MIN:
|
---|
871 | return mIsDefaultFiltering ?
|
---|
872 | MaterialManager::getSingleton().getDefaultTextureFiltering(FT_MIN) : mMinFilter;
|
---|
873 | case FT_MAG:
|
---|
874 | return mIsDefaultFiltering ?
|
---|
875 | MaterialManager::getSingleton().getDefaultTextureFiltering(FT_MAG) : mMagFilter;
|
---|
876 | case FT_MIP:
|
---|
877 | return mIsDefaultFiltering ?
|
---|
878 | MaterialManager::getSingleton().getDefaultTextureFiltering(FT_MIP) : mMipFilter;
|
---|
879 | }
|
---|
880 | // to keep compiler happy
|
---|
881 | return mMinFilter;
|
---|
882 | }
|
---|
883 |
|
---|
884 | //-----------------------------------------------------------------------
|
---|
885 | void TextureUnitState::setTextureAnisotropy(unsigned int maxAniso)
|
---|
886 | {
|
---|
887 | mMaxAniso = maxAniso;
|
---|
888 | mIsDefaultAniso = false;
|
---|
889 | }
|
---|
890 | //-----------------------------------------------------------------------
|
---|
891 | unsigned int TextureUnitState::getTextureAnisotropy() const
|
---|
892 | {
|
---|
893 | return mIsDefaultAniso? MaterialManager::getSingleton().getDefaultAnisotropy() : mMaxAniso;
|
---|
894 | }
|
---|
895 |
|
---|
896 | //-----------------------------------------------------------------------
|
---|
897 | void TextureUnitState::_unload(void)
|
---|
898 | {
|
---|
899 | // Destroy animation controller
|
---|
900 | if (mAnimController)
|
---|
901 | {
|
---|
902 | ControllerManager::getSingleton().destroyController(mAnimController);
|
---|
903 | mAnimController = 0;
|
---|
904 | }
|
---|
905 |
|
---|
906 | // Destroy effect controllers
|
---|
907 | for (EffectMap::iterator i = mEffects.begin(); i != mEffects.end(); ++i)
|
---|
908 | {
|
---|
909 | if (i->second.controller)
|
---|
910 | {
|
---|
911 | ControllerManager::getSingleton().destroyController(i->second.controller);
|
---|
912 | i->second.controller = 0;
|
---|
913 | }
|
---|
914 | }
|
---|
915 |
|
---|
916 | // Don't unload textures. may be used elsewhere
|
---|
917 | }
|
---|
918 | //-----------------------------------------------------------------------------
|
---|
919 | bool TextureUnitState::isLoaded(void)
|
---|
920 | {
|
---|
921 | return mParent->isLoaded();
|
---|
922 | }
|
---|
923 | //-----------------------------------------------------------------------
|
---|
924 | void TextureUnitState::_notifyNeedsRecompile(void)
|
---|
925 | {
|
---|
926 | mParent->_notifyNeedsRecompile();
|
---|
927 | }
|
---|
928 | //-----------------------------------------------------------------------
|
---|
929 | bool TextureUnitState::hasViewRelativeTextureCoordinateGeneration(void)
|
---|
930 | {
|
---|
931 | // Right now this only returns true for reflection maps
|
---|
932 |
|
---|
933 | EffectMap::const_iterator i, iend;
|
---|
934 | iend = mEffects.end();
|
---|
935 |
|
---|
936 | for(i = mEffects.find(ET_ENVIRONMENT_MAP); i != iend; ++i)
|
---|
937 | {
|
---|
938 | if (i->second.subtype == ENV_REFLECTION)
|
---|
939 | return true;
|
---|
940 | }
|
---|
941 | for(i = mEffects.find(ET_PROJECTIVE_TEXTURE); i != iend; ++i)
|
---|
942 | {
|
---|
943 | return true;
|
---|
944 | }
|
---|
945 |
|
---|
946 | return false;
|
---|
947 | }
|
---|
948 | //-----------------------------------------------------------------------
|
---|
949 | void TextureUnitState::setProjectiveTexturing(bool enable,
|
---|
950 | const Frustum* projectionSettings)
|
---|
951 | {
|
---|
952 | if (enable)
|
---|
953 | {
|
---|
954 | TextureEffect eff;
|
---|
955 | eff.type = ET_PROJECTIVE_TEXTURE;
|
---|
956 | eff.frustum = projectionSettings;
|
---|
957 | addEffect(eff);
|
---|
958 | }
|
---|
959 | else
|
---|
960 | {
|
---|
961 | removeEffect(ET_PROJECTIVE_TEXTURE);
|
---|
962 | }
|
---|
963 |
|
---|
964 | }
|
---|
965 | //-----------------------------------------------------------------------------
|
---|
966 | void TextureUnitState::_notifyParent(Pass* parent)
|
---|
967 | {
|
---|
968 | mParent = parent;
|
---|
969 | }
|
---|
970 |
|
---|
971 |
|
---|
972 | }
|
---|