mirror of
https://gitlab.com/ryandwyer/perfect-dark
synced 2026-06-26 01:14:24 -04:00
Ryan Dwyer
184 lines
8.4 KiB
C
184 lines
8.4 KiB
C
#ifndef _IN_GBIEX_H
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#define _IN_GBIEX_H
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/**
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* 07 gSPColor - copy colors from segment + offset into DMEM
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*
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* upper word
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* 00FF0000 - number of bytes to copy minus 4 (eg. 4 colours = 0x0c)
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* 0000FFFF - nubmer of bytes to copy
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*
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* lower word
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* 0F000000 - segment
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* 00FFFFFF - offset in color table
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*/
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#define gSPColor(pkt, v, n) \
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gDma1p(pkt, G_COL, v, sizeof(Col)*(n),((n)-1)<<2)
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#define gsSPColor(v, n, v0) \
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gsDma1p(G_COL, v, sizeof(Col)*(n), ((n)-1)<<2)
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/**
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* B1 rsp_tri4
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* Draws up to four triangles at a time.
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* Expects values from 0-F, corresponding with # points declared by vertex command.
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* Triangles with all points set to 0 are not drawn.
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*
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* upper word
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* 0000F000 z4
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* 00000F00 z3
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* 000000F0 z2
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* 0000000F z1
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*
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* lower word
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* F0000000 y4
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* 0F000000 x4
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* 00F00000 y3
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* 000F0000 x3
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* 0000F000 y2
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* 00000F00 x2
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* 000000F0 y1
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* 0000000F x1
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*/
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#define gSPTri4(pkt, x1, y1, z1, x2, y2, z2, x3, y3, z3, x4, y4, z4) \
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{ \
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Gfx *_g = (Gfx *)(pkt); \
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_g->words.w0 = (_SHIFTL(G_TRI4, 24, 8) \
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| _SHIFTL(z4, 12, 4) \
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| _SHIFTL(z3, 8, 4) \
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| _SHIFTL(z2, 4, 4) \
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| _SHIFTL(z1, 0, 4)); \
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_g->words.w1 = (_SHIFTL(y4, 28, 4) \
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| _SHIFTL(x4, 24, 4) \
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| _SHIFTL(y3, 20, 4) \
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| _SHIFTL(x3, 16, 4) \
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| _SHIFTL(y2, 12, 4) \
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| _SHIFTL(x2, 8, 4) \
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| _SHIFTL(y1, 4, 4) \
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| _SHIFTL(x1, 0, 4)); \
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}
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#define gSPTri3(pkt, x1, y1, z1, x2, y2, z2, x3, y3, z3) \
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gSPTri4(pkt, x1, y1, z1, x2, y2, z2, x3, y3, z3, 0, 0, 0)
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#define gSPTri2(pkt, x1, y1, z1, x2, y2, z2) \
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gSPTri4(pkt, x1, y1, z1, x2, y2, z2, 0, 0, 0, 0, 0, 0)
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#define gSPTri1(pkt, x1, y1, z1) \
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gSPTri4(pkt, x1, y1, z1, 0, 0, 0, 0, 0, 0, 0, 0, 0)
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#define gDPLoadTLUT06(pkt, a, b, c, d) \
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{ \
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Gfx *_g = (Gfx *)pkt; \
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_g->words.w0 = _SHIFTL(G_LOADTLUT, 24, 8) | _SHIFTL((a), 14, 10) | _SHIFTL((b), 2, 10); \
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_g->words.w1 = _SHIFTL(0x06, 24, 8) | _SHIFTL((c), 14, 10) | _SHIFTL((d), 2, 10); \
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}
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/**
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* Like gDPSetPrimColor, but is useful when the input colour is already in
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* RGBA format. It avoids unnecessary bitshifting and masking.
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*/
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#define gDPSetPrimColorViaWord(pkt, m, l, rgba) \
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{ \
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Gfx *_g = (Gfx *)(pkt); \
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_g->words.w0 = (_SHIFTL(G_SETPRIMCOLOR, 24, 8) \
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| _SHIFTL(m, 8, 8) \
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| _SHIFTL(l, 0, 8)); \
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_g->words.w1 = (rgba); \
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}
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#define gDPSetEnvColorViaWord(pkt, rgba) gDPSetColor(pkt, G_SETENVCOLOR, rgba)
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#define gDPSetFogColorViaWord(pkt, rgba) gDPSetColor(pkt, G_SETFOGCOLOR, rgba)
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/**
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* gDPFillRectangleScaled - a wrapper around gDPFillRectangle which applies
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* g_ScaleX to the X coordinates.
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*
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* g_ScaleX is normally 1, but 2 when using hi-res.
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*/
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#define gDPFillRectangleScaled(pkt, x1, y1, x2, y2) gDPFillRectangle(pkt, (x1) * g_ScaleX, y1, (x2) * g_ScaleX, y2)
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#define gDPHudRectangle(pkt, x1, y1, x2, y2) gDPFillRectangle(pkt, (x1) * g_ScaleX, y1, ((x2 + 1)) * g_ScaleX, (y2) + 1)
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/**
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* Custom combiner modes.
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*
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* Modes 6-10 are copies of the following but they replace
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* SHADE with ENVIRONMENT in the alpha half:
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*
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* 06: G_CC_MODULATEIA2
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* 07: G_CC_MODULATEIA
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* 08: G_CC_MODULATEI2
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* 09: G_CC_MODULATEI
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* 10: G_CC_SHADE
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*
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* Modes 12-16 are copies of the following but they replace
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* SHADE with SCALE in the colour half:
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*
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* 12: G_CC_MODULATEI
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* 13: G_CC_MODULATEIA
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* 14: G_CC_SHADE
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* 15: G_CC_MODULATEI2
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* 16: G_CC_MODULATEIA2
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*
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* Summary of modes:
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* 00: T0*EV T0*EV
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* 01: CM (1-CM)*PR+CM
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* 02: PR T0*PR
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* 03: CM*EV CM*EV
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* 04: SH T0*SH
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* 05: T1*SC T1*PL
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* 06: CM*SH CM*EV
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* 07: T0*SH T0*EV
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* 08: CM*SH EV
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* 09: T0*SH EV
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* 10: SH EV
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* 11: (T1-T0)*LF+T0 T1
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* 12: T0*SC SH
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* 13: T0*SC T0*SH
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* 14: SC SH
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* 15: CM*SC SH
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* 16: CM*SC CM*SH
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* 17: (T0-EV)*SA+EV (T0-EV)*SH+EV
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* 18: CM*SH CM
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* 19: (T0-EV)*SA+EV T0*EV
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* 20: CM*SH CM*SH+PR
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* 21: (T1-T0)*LF+T0 SH+EV
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* 22: (T1-T0)*LF+T0 (SH-EV)*T0
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* 23: CM*SH PR+CM
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* 24: (T1-T0)*LF+T0 (1-SH)*EV
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* 25: (T1-T0)*LF+T0 EV
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* 26: (T1-T0)*LF+T0 T0*EV
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* 27: (PR-EV)*T0+EV (PR-EV)*T0+EV
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*/
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#define G_CC_CUSTOM_00 TEXEL0, 0, ENVIRONMENT, 0, TEXEL0, 0, ENVIRONMENT, 0
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#define G_CC_CUSTOM_01 0, 0, 0, COMBINED, 1, COMBINED, PRIMITIVE, COMBINED
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#define G_CC_CUSTOM_02 0, 0, 0, PRIMITIVE, TEXEL0, 0, PRIMITIVE, 0
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#define G_CC_CUSTOM_03 COMBINED, 0, ENVIRONMENT, 0, COMBINED, 0, ENVIRONMENT, 0
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#define G_CC_CUSTOM_04 0, 0, 0, SHADE, TEXEL0, 0, SHADE, 0
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#define G_CC_CUSTOM_05 TEXEL1, 0, SCALE, 0, TEXEL1, 0, PRIM_LOD_FRAC, 0
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#define G_CC_CUSTOM_06 COMBINED, 0, SHADE, 0, COMBINED, 0, ENVIRONMENT, 0
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#define G_CC_CUSTOM_07 TEXEL0, 0, SHADE, 0, TEXEL0, 0, ENVIRONMENT, 0
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#define G_CC_CUSTOM_08 COMBINED, 0, SHADE, 0, 0, 0, 0, ENVIRONMENT
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#define G_CC_CUSTOM_09 TEXEL0, 0, SHADE, 0, 0, 0, 0, ENVIRONMENT
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#define G_CC_CUSTOM_10 0, 0, 0, SHADE, 0, 0, 0, ENVIRONMENT
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#define G_CC_CUSTOM_11 TEXEL1, TEXEL0, LOD_FRACTION, TEXEL0, 1, 0, TEXEL1, 0
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#define G_CC_CUSTOM_12 TEXEL0, 0, SCALE, 0, 0, 0, 0, SHADE
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#define G_CC_CUSTOM_13 TEXEL0, 0, SCALE, 0, TEXEL0, 0, SHADE, 0
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#define G_CC_CUSTOM_14 1, 0, SCALE, 0, 0, 0, 0, SHADE
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#define G_CC_CUSTOM_15 COMBINED, 0, SCALE, 0, 0, 0, 0, SHADE
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#define G_CC_CUSTOM_16 COMBINED, 0, SCALE, 0, COMBINED, 0, SHADE, 0
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#define G_CC_CUSTOM_17 TEXEL0, ENVIRONMENT, SHADE_ALPHA, ENVIRONMENT, TEXEL0, ENVIRONMENT, SHADE, ENVIRONMENT
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#define G_CC_CUSTOM_18 COMBINED, 0, SHADE, 0, 0, 0, 0, COMBINED
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#define G_CC_CUSTOM_19 TEXEL0, ENVIRONMENT, SHADE_ALPHA, ENVIRONMENT, TEXEL0, 0, ENVIRONMENT, 0
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#define G_CC_CUSTOM_20 COMBINED, 0, SHADE, 0, COMBINED, 0, SHADE, PRIMITIVE
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#define G_CC_CUSTOM_21 TEXEL1, TEXEL0, LOD_FRACTION, TEXEL0, 1, 0, SHADE, ENVIRONMENT
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#define G_CC_CUSTOM_22 TEXEL1, TEXEL0, LOD_FRACTION, TEXEL0, SHADE, ENVIRONMENT, TEXEL0, 0
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#define G_CC_CUSTOM_23 COMBINED, 0, SHADE, 0, 1, 0, PRIMITIVE, COMBINED
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#define G_CC_CUSTOM_24 TEXEL1, TEXEL0, LOD_FRACTION, TEXEL0, 1, SHADE, ENVIRONMENT, 0
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#define G_CC_CUSTOM_25 TEXEL1, TEXEL0, LOD_FRACTION, TEXEL0, 1, 0, ENVIRONMENT, 0
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#define G_CC_CUSTOM_26 TEXEL1, TEXEL0, LOD_FRACTION, TEXEL0, TEXEL0, 0, ENVIRONMENT, 0
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#define G_CC_CUSTOM_27 PRIMITIVE, ENVIRONMENT, TEXEL0, ENVIRONMENT, PRIMITIVE, ENVIRONMENT, TEXEL0, ENVIRONMENT
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#endif
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