mirror of https://github.com/ZDoom/raze-gles.git
296 lines
7.3 KiB
C++
296 lines
7.3 KiB
C++
//-------------------------------------------------------------------------
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/*
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Copyright (C) 2010-2019 EDuke32 developers and contributors
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Copyright (C) 2019 Nuke.YKT
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This file is part of NBlood.
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NBlood is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License version 2
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as published by the Free Software Foundation.
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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.
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See the 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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//-------------------------------------------------------------------------
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#include "ns.h" // Must come before everything else!
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#include <string.h>
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#include "a.h"
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#include "build.h"
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#include "colmatch.h"
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#include "common_game.h"
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#include "globals.h"
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#include "config.h"
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#include "resource.h"
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#include "screen.h"
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BEGIN_BLD_NS
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LOADITEM PLU[15] = {
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{ 0, "NORMAL" },
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{ 1, "SATURATE" },
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{ 2, "BEAST" },
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{ 3, "TOMMY" },
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{ 4, "SPIDER3" },
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{ 5, "GRAY" },
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{ 6, "GRAYISH" },
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{ 7, "SPIDER1" },
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{ 8, "SPIDER2" },
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{ 9, "FLAME" },
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{ 10, "COLD" },
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{ 11, "P1" },
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{ 12, "P2" },
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{ 13, "P3" },
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{ 14, "P4" }
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};
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LOADITEM PAL[5] = {
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{ 0, "BLOOD" },
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{ 1, "WATER" },
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{ 2, "BEAST" },
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{ 3, "SEWER" },
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{ 4, "INVULN1" }
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};
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bool DacInvalid = true;
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static char(*gammaTable)[256];
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RGB curDAC[256];
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RGB baseDAC[256];
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static RGB fromDAC[256];
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static RGB toRGB;
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static RGB *palTable[5];
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static int curPalette;
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static int curGamma;
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int gGammaLevels;
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bool gFogMode = false;
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void scrResetPalette(void)
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{
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paletteSetColorTable(0, (uint8_t*)palTable[0]);
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}
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void gSetDacRange(int start, int end, RGB *pPal)
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{
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UNREFERENCED_PARAMETER(start);
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UNREFERENCED_PARAMETER(end);
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if (videoGetRenderMode() == REND_CLASSIC)
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{
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memcpy(palette, pPal, sizeof(palette));
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videoSetPalette(0, 0, 0);
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}
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}
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void scrLoadPLUs(void)
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{
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if (gFogMode)
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{
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DICTNODE *pFog = gSysRes.Lookup("FOG", "FLU");
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if (!pFog)
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ThrowError("FOG.FLU not found");
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palookup[0] = (char*)gSysRes.Lock(pFog);
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for (int i = 0; i < 15; i++)
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palookup[PLU[i].id] = palookup[0];
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parallaxvisibility = 3072;
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return;
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}
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for (int i = 0; i < 15; i++)
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{
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DICTNODE *pPlu = gSysRes.Lookup(PLU[i].name, "PLU");
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if (!pPlu)
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ThrowError("%s.PLU not found", PLU[i].name);
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if (pPlu->Size() / 256 != 64)
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ThrowError("Incorrect PLU size");
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palookup[PLU[i].id] = (char*)gSysRes.Lock(pPlu);
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}
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#ifdef USE_OPENGL
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palookupfog[1].r = 255;
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palookupfog[1].g = 255;
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palookupfog[1].b = 255;
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palookupfog[1].f = 1;
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#endif
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}
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#ifdef USE_OPENGL
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glblend_t const bloodglblend =
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{
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{
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{ 1.f/3.f, BLENDFACTOR_SRC_ALPHA, BLENDFACTOR_ONE_MINUS_SRC_ALPHA, 0 },
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{ 2.f/3.f, BLENDFACTOR_SRC_ALPHA, BLENDFACTOR_ONE_MINUS_SRC_ALPHA, 0 },
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},
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};
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#endif
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void scrLoadPalette(void)
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{
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#ifdef USE_OPENGL
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for (auto& x : glblend)
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x = bloodglblend;
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#endif
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initfastcolorlookup_scale(30, 59, 11);
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initfastcolorlookup_gridvectors();
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paletteloaded = 0;
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initprintf("Loading palettes\n");
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for (int i = 0; i < 5; i++)
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{
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DICTNODE *pPal = gSysRes.Lookup(PAL[i].name, "PAL");
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if (!pPal)
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ThrowError("%s.PAL not found (RFF files may be wrong version)", PAL[i].name);
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palTable[PAL[i].id] = (RGB*)gSysRes.Lock(pPal);
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paletteSetColorTable(PAL[i].id, (uint8_t*)palTable[PAL[i].id]);
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}
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memcpy(palette, palTable[0], sizeof(palette));
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numshades = 64;
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paletteloaded |= PALETTE_MAIN;
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scrLoadPLUs();
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paletteloaded |= PALETTE_SHADE;
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initprintf("Loading translucency table\n");
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DICTNODE *pTrans = gSysRes.Lookup("TRANS", "TLU");
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if (!pTrans)
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ThrowError("TRANS.TLU not found");
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blendtable[0] = (char*)gSysRes.Lock(pTrans);
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paletteloaded |= PALETTE_TRANSLUC;
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initfastcolorlookup_palette(palette);
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palettePostLoadTables();
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}
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void scrSetPalette(int palId)
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{
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curPalette = palId;
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scrSetGamma(0/*curGamma*/);
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}
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void scrSetGamma(int nGamma)
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{
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dassert(nGamma < gGammaLevels);
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curGamma = nGamma;
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for (int i = 0; i < 256; i++)
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{
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baseDAC[i].red = gammaTable[curGamma][palTable[curPalette][i].red];
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baseDAC[i].green = gammaTable[curGamma][palTable[curPalette][i].green];
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baseDAC[i].blue = gammaTable[curGamma][palTable[curPalette][i].blue];
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}
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DacInvalid = 1;
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}
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void scrSetupFade(char red, char green, char blue)
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{
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memcpy(fromDAC, curDAC, sizeof(fromDAC));
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toRGB.red = red;
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toRGB.green = green;
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toRGB.blue = blue;
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}
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void scrSetupUnfade(void)
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{
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memcpy(fromDAC, baseDAC, sizeof(fromDAC));
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}
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void scrFadeAmount(int amount)
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{
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for (int i = 0; i < 256; i++)
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{
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curDAC[i].red = interpolate(fromDAC[i].red, toRGB.red, amount);
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curDAC[i].green = interpolate(fromDAC[i].green, toRGB.green, amount);
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curDAC[i].blue = interpolate(fromDAC[i].blue, toRGB.blue, amount);
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}
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gSetDacRange(0, 256, curDAC);
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}
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void scrSetDac(void)
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{
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if (DacInvalid)
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gSetDacRange(0, 256, baseDAC);
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DacInvalid = 0;
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}
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void scrInit(void)
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{
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initprintf("Initializing engine\n");
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#ifdef USE_OPENGL
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glrendmode = REND_POLYMOST;
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#endif
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engineInit();
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curPalette = 0;
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curGamma = 0;
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initprintf("Loading gamma correction table\n");
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DICTNODE *pGamma = gSysRes.Lookup("gamma", "DAT");
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if (!pGamma)
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ThrowError("Gamma table not found");
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gGammaLevels = pGamma->Size() / 256;
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gammaTable = (char(*)[256])gSysRes.Lock(pGamma);
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}
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void scrUnInit(void)
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{
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memset(palookup, 0, sizeof(palookup));
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memset(blendtable, 0, sizeof(blendtable));
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engineUnInit();
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}
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void scrSetGameMode(int vidMode, int XRes, int YRes, int nBits)
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{
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videoResetMode();
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//videoSetGameMode(vidMode, XRes, YRes, nBits, 0);
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if (videoSetGameMode(vidMode, XRes, YRes, nBits, 0) < 0)
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{
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initprintf("Failure setting video mode %dx%dx%d %s! Trying next mode...\n", XRes, YRes,
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nBits, vidMode ? "fullscreen" : "windowed");
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int resIdx = 0;
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for (int i=0; i < validmodecnt; i++)
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{
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if (validmode[i].xdim == XRes && validmode[i].ydim == YRes)
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{
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resIdx = i;
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break;
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}
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}
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int const savedIdx = resIdx;
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int bpp = nBits;
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while (videoSetGameMode(0, validmode[resIdx].xdim, validmode[resIdx].ydim, bpp, 0) < 0)
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{
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initprintf("Failure setting video mode %dx%dx%d windowed! Trying next mode...\n",
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validmode[resIdx].xdim, validmode[resIdx].ydim, bpp);
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if (++resIdx == validmodecnt)
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{
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if (bpp == 8)
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ThrowError("Fatal error: unable to set any video mode!");
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resIdx = savedIdx;
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bpp = 8;
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}
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}
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ScreenWidth = validmode[resIdx].xdim;
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ScreenHeight = validmode[resIdx].ydim;
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ScreenBPP = bpp;
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}
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videoClearViewableArea(0);
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scrNextPage();
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scrSetPalette(curPalette);
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}
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void scrNextPage(void)
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{
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videoNextPage();
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}
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END_BLD_NS
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