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https://github.com/id-Software/DOOM-3-BFG.git
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71 lines
3.1 KiB
PHP
71 lines
3.1 KiB
PHP
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/*
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===========================================================================
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Doom 3 BFG Edition GPL Source Code
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Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
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Doom 3 BFG Edition Source Code 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 3 of the License, or
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(at your option) any later version.
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Doom 3 BFG Edition Source Code 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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You should have received a copy of the GNU General Public License
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along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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float4 modelPosition = vertex.position;
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BRANCH if ( rpEnableSkinning.x > 0.0 ) {
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//--------------------------------------------------------------
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// GPU transformation of the normal / binormal / bitangent
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//
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// multiplying with 255.1 give us the same result and is faster than floor( w * 255 + 0.5 )
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//--------------------------------------------------------------
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const float w0 = vertex.color2.x;
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const float w1 = vertex.color2.y;
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const float w2 = vertex.color2.z;
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const float w3 = vertex.color2.w;
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float4 matX, matY, matZ; // must be float4 for vec4
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float joint = vertex.color.x * 255.1 * 3;
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matX = matrices[int(joint+0)] * w0;
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matY = matrices[int(joint+1)] * w0;
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matZ = matrices[int(joint+2)] * w0;
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joint = vertex.color.y * 255.1 * 3;
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matX += matrices[int(joint+0)] * w1;
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matY += matrices[int(joint+1)] * w1;
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matZ += matrices[int(joint+2)] * w1;
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joint = vertex.color.z * 255.1 * 3;
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matX += matrices[int(joint+0)] * w2;
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matY += matrices[int(joint+1)] * w2;
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matZ += matrices[int(joint+2)] * w2;
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joint = vertex.color.w * 255.1 * 3;
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matX += matrices[int(joint+0)] * w3;
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matY += matrices[int(joint+1)] * w3;
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matZ += matrices[int(joint+2)] * w3;
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modelPosition.x = dot4( matX, vertex.position );
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modelPosition.y = dot4( matY, vertex.position );
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modelPosition.z = dot4( matZ, vertex.position );
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modelPosition.w = 1.0;
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}
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result.position.x = dot4( modelPosition, rpMVPmatrixX );
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result.position.y = dot4( modelPosition, rpMVPmatrixY );
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result.position.z = dot4( modelPosition, rpMVPmatrixZ );
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result.position.w = dot4( modelPosition, rpMVPmatrixW );
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