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Copyright (C) 2002 Rice1964
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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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This program 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 this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include "RenderBase.h"
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//static BOOL g_bHiliteRGBAHack = FALSE;
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//const char * sc_colcombtypes32[32] =
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// "Combined ", "Texel0 ",
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// "Texel1 ", "Primitive ",
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// "Shade ", "Environment ",
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// "Texel0_Alpha", "Texel1_Alpha",
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// "Prim_Alpha ", "Shade_Alpha ",
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// "Env_Alpha ", "LOD_Fraction",
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// "PrimLODFrac ", "K5 ",
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//const char *sc_colcombtypes16[16] =
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// "Combined ", "Texel0 ",
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// "Texel1 ", "Prim ",
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// "Shade ", "Environment ",
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// "Texel0_Alpha", "Texel1_Alpha",
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// "Prim_Alp ", "Shade_Alpha ",
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// "Env_Alpha ", "LOD_Fraction",
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// "PrimLOD_Frac", "0 "
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//const char *sc_colcombtypes8[8] =
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// "Combined ", "Texel0 ",
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// "Texel1 ", "Primitive ",
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// "Shade ", "Environment ",
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const char *constStrs[] = {
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const char *cycleTypeStrs[] = {
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const char* constStr(uint32 op)
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return "Invalid-Const";
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void swap(uint8 &a, uint8 &b)
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//========================================================================
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//========================================================================
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inline IColor GetIColor(uint8 flag, uint32 curCol)
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switch(flag&MUX_MASK)
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newc = gRDP.primitiveColor;
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newc = gRDP.envColor;
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if( options.enableHackForGames == HACK_FOR_CONKER )
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if( flag&MUX_COMPLEMENT )
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if( flag&MUX_ALPHAREPLICATE )
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newc.AlphaReplicate();
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COLOR CalculateConstFactor(uint32 colorOp, uint32 alphaOp, uint32 curCol)
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IColor color(curCol);
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IColor alpha(curCol);
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*(uint32*)&m = colorOp;
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if( m.c != MUX_0 && m.a!=m.b)
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if( m.a != MUX_0 ) color = GetIColor(m.a, curCol);
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if( m.b != MUX_0 ) color -= GetIColor(m.b, curCol);
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if( m.c != MUX_1 ) color *= GetIColor(m.c, curCol);
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if( m.d != MUX_0 ) color += GetIColor(m.d, curCol);
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*(uint32*)&m = alphaOp;
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if( m.c != MUX_0 && m.a!=m.b)
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if( m.a != MUX_0 ) alpha = GetIColor(m.a, curCol);
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if( m.b != MUX_0 ) alpha -= GetIColor(m.b, curCol);
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if( m.c != MUX_1 ) alpha *= GetIColor(m.c, curCol);
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if( m.d != MUX_0 ) alpha += GetIColor(m.d, curCol);
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return (COLOR)(((uint32)color&0x00FFFFFF)|((uint32)alpha&0xFF000000));
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COLOR CColorCombiner::GetConstFactor(uint32 colorFlag, uint32 alphaFlag, uint32 defaultColor)
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// Allows a combine mode to select what TFACTOR should be
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uint32 color = defaultColor;
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uint32 alpha = defaultColor;
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switch (colorFlag&MUX_MASK)
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color = gRDP.primitiveColor;
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color = gRDP.envColor;
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color = COLOR_RGBA(gRDP.LODFrac, gRDP.LODFrac, gRDP.LODFrac, gRDP.LODFrac);
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case MUX_PRIMLODFRAC:
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color = COLOR_RGBA(gRDP.primLODFrac, gRDP.primLODFrac, gRDP.primLODFrac, gRDP.primLODFrac);
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IColor col(gRDP.primitiveColor);
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col.AlphaReplicate();
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IColor col(gRDP.envColor);
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col.AlphaReplicate();
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color = defaultColor;
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if( options.enableHackForGames == HACK_FOR_CONKER ) color = 0xFFFFFFFF;
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color = defaultColor;
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if( colorFlag & MUX_COMPLEMENT )
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color = 0xFFFFFFFF - color;
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if( colorFlag & MUX_ALPHAREPLICATE )
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color = color | (color<<8) | (color <<16) | (color<<24);
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color &= 0x00FFFFFF; // For color channel only, not the alpha channel
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switch (alphaFlag&MUX_MASK)
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alpha = gRDP.primitiveColor;
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alpha = gRDP.envColor;
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alpha = COLOR_RGBA(gRDP.LODFrac, gRDP.LODFrac, gRDP.LODFrac, gRDP.LODFrac);
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case MUX_PRIMLODFRAC:
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alpha = COLOR_RGBA(gRDP.primLODFrac, gRDP.primLODFrac, gRDP.primLODFrac, gRDP.primLODFrac);
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IColor col(gRDP.primitiveColor);
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col.AlphaReplicate();
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IColor col(gRDP.envColor);
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col.AlphaReplicate();
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alpha = defaultColor;
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if( alphaFlag & MUX_COMPLEMENT )
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alpha = 0xFFFFFFFF - alpha;
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return (color|alpha);
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//*****************************************************************************
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//*****************************************************************************
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//*****************************************************************************
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//*****************************************************************************
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//*****************************************************************************
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//*****************************************************************************
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bool gUsingPrimColour = false;
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bool gUsingEnvColour = false;
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int CountTexel1Cycle(N64CombinerType &m)
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uint8 *p = (uint8*)&m;
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for( int i=0; i<2; i++)
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for( int j=0; j<4; j++)
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if( (p[j]&MUX_MASK) == MUX_TEXEL0+i )
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return hasTexel[0]+hasTexel[1];
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uint32 GetTexelNumber(N64CombinerType &m)
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if( (m.a&MUX_MASK) == MUX_TEXEL1 || (m.b&MUX_MASK) == MUX_TEXEL1 || (m.c&MUX_MASK) == MUX_TEXEL1 || (m.d&MUX_MASK) == MUX_TEXEL1 )
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bool IsTxtrUsed(N64CombinerType &m)
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if( (m.a&MUX_MASK) == MUX_TEXEL1 || (m.b&MUX_MASK) == MUX_TEXEL1 || (m.c&MUX_MASK) == MUX_TEXEL1 || (m.d&MUX_MASK) == MUX_TEXEL1 )
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if( (m.a&MUX_MASK) == MUX_TEXEL0 || (m.b&MUX_MASK) == MUX_TEXEL0 || (m.c&MUX_MASK) == MUX_TEXEL0 || (m.d&MUX_MASK) == MUX_TEXEL0 )
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//========================================================================
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void CColorCombiner::InitCombinerMode(void)
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LOG_UCODE(cycleTypeStrs[gRDP.otherMode.cycle_type]);
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if( debuggerDropDecodedMux )
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UpdateCombiner(m_pDecodedMux->m_dwMux0, m_pDecodedMux->m_dwMux1);
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if( currentRomOptions.bNormalCombiner )
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else if( gRDP.otherMode.cycle_type == CYCLE_TYPE_COPY )
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InitCombinerCycleCopy();
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m_bCycleChanged = true;
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else if ( gRDP.otherMode.cycle_type == CYCLE_TYPE_FILL )
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//else if ( gRDP.otherMode.cycle_type == CYCLE_TYPE_FILL && gRSP.ucode != 5 ) //hack
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InitCombinerCycleFill();
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m_bCycleChanged = true;
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InitCombinerCycle12();
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m_bCycleChanged = false;
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bool bConkerHideShadow=false;
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void CColorCombiner::UpdateCombiner(uint32 dwMux0, uint32 dwMux1)
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if( debuggerDropDecodedMux )
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debuggerDropDecodedMux = false;
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m_pDecodedMux->m_dwMux0 = m_pDecodedMux->m_dwMux1 = 0;
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m_DecodedMuxList.clear();
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DecodedMux &m_decodedMux = *m_pDecodedMux;
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if( m_decodedMux.m_dwMux0 != dwMux0 || m_decodedMux.m_dwMux1 != dwMux1 )
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if( options.enableHackForGames == HACK_FOR_DR_MARIO )
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// Hack for Dr. Mario
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if( dwMux1 == 0xfffcf239 &&
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((m_decodedMux.m_dwMux0 == dwMux0 && dwMux0 == 0x00ffffff &&
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m_decodedMux.m_dwMux1 != dwMux1 && m_decodedMux.m_dwMux1 == 0xfffcf279 ) ||
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(m_decodedMux.m_dwMux0 == 0x00ffb3ff && m_decodedMux.m_dwMux1 == 0xff64fe7f && dwMux0 == 0x00ffffff ) ))
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//dwMux1 = 0xffcf23A;
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uint64 mux64 = (((uint64)dwMux1)<<32)+dwMux0;
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int index=m_DecodedMuxList.find(mux64);
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if( options.enableHackForGames == HACK_FOR_CONKER )
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// Conker's shadow, to disable the shadow
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//Mux=0x00ffe9ff Used in CONKER BFD
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//Color0: (0 - 0) * 0 + SHADE
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//Color1: (0 - 0) * 0 + SHADE
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//Alpha0: (1 - TEXEL0) * SHADE + 0
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//Alpha1: (1 - TEXEL0) * SHADE + 0
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if( dwMux1 == 0xffd21f0f && dwMux0 == 0x00ffe9ff )
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bConkerHideShadow = true;
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bConkerHideShadow = false;
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m_decodedMux = m_DecodedMuxList[index];
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m_decodedMux.Decode(dwMux0, dwMux1);
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m_decodedMux.splitType[0] = CM_FMT_TYPE_NOT_CHECKED;
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m_decodedMux.splitType[1] = CM_FMT_TYPE_NOT_CHECKED;
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m_decodedMux.splitType[2] = CM_FMT_TYPE_NOT_CHECKED;
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m_decodedMux.splitType[3] = CM_FMT_TYPE_NOT_CHECKED;
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if( !m_bSupportMultiTexture )
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m_decodedMux.ReplaceVal(MUX_TEXEL1, MUX_TEXEL0);
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m_decodedMux.ReplaceVal(MUX_LODFRAC,1);
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m_decodedMux.ReplaceVal(MUX_PRIMLODFRAC,1);
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m_decodedMux.Simplify();
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if( m_supportedStages>1)
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m_decodedMux.SplitComplexStages();
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m_DecodedMuxList.add(m_decodedMux.m_u64Mux, *m_pDecodedMux);
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TRACE0("Add a new mux");
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m_bTex0Enabled = m_decodedMux.m_bTexel0IsUsed;
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m_bTex1Enabled = m_decodedMux.m_bTexel1IsUsed;
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m_bTexelsEnable = m_bTex0Enabled||m_bTex1Enabled;
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gRSP.bProcessDiffuseColor = (m_decodedMux.m_dwShadeColorChannelFlag != MUX_0 || m_decodedMux.m_dwShadeAlphaChannelFlag != MUX_0);
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gRSP.bProcessSpecularColor = false;
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void CColorCombiner::DisplayMuxString(void)
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if( gRDP.otherMode.cycle_type == CYCLE_TYPE_COPY)
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TRACE0("COPY Mode\n");
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else if( gRDP.otherMode.cycle_type == CYCLE_TYPE_FILL)
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TRACE0("FILL Mode\n");
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m_pDecodedMux->DisplayMuxString("Used");
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void CColorCombiner::DisplaySimpleMuxString(void)
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m_pDecodedMux->DisplaySimpliedMuxString("Used");