aboutsummaryrefslogtreecommitdiff
path: root/engines/tinsel/palette.cpp
blob: c7c8cd0b6317094e0349cf4e940b26fa880fa627 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * Palette Allocator for IBM PC.
 */

#include "tinsel/dw.h"		// TBLUE1 definition
#include "tinsel/graphics.h"
#include "tinsel/handle.h"	// LockMem definition
#include "tinsel/palette.h"	// palette allocator structures etc.
#include "tinsel/sysvar.h"
#include "tinsel/tinsel.h"

#include "common/system.h"
#include "common/textconsole.h"
#include "graphics/palette.h"

namespace Tinsel {

//----------------- LOCAL DEFINES --------------------

/** video DAC transfer Q structure */
struct VIDEO_DAC_Q {
	union {
		SCNHANDLE hRGBarray;	///< handle of palette or
		COLORREF *pRGBarray;	///< list of palette colors
		COLORREF  singleRGB;
	} pal;
	bool bHandle;		///< when set - use handle of palette
	int destDACindex;	///< start index of palette in video DAC
	int numColors;		///< number of colors in "hRGBarray"
};


//----------------- LOCAL GLOBAL DATA --------------------

// FIXME: Avoid non-const global vars

/** palette allocator data */
static PALQ g_palAllocData[NUM_PALETTES];


/** video DAC transfer Q length */
#define VDACQLENGTH (NUM_PALETTES+2)

/** video DAC transfer Q */
static VIDEO_DAC_Q g_vidDACdata[VDACQLENGTH];

/** video DAC transfer Q head pointer */
static VIDEO_DAC_Q *g_pDAChead;

/** color index of the 4 colors used for the translucent palette */
#define COL_HILIGHT	TBLUE1

/** the translucent palette lookup table */
uint8 g_transPalette[MAX_COLORS];	// used in graphics.cpp

uint8 g_ghostPalette[MAX_COLORS];

static int g_translucentIndex	= 228;

static int g_talkIndex		= 233;

static COLORREF g_talkColRef;

static COLORREF g_tagColRef;


#ifdef DEBUG
// diagnostic palette counters
static int numPals = 0;
static int maxPals = 0;
static int maxDACQ = 0;
#endif

/**
 * Map PSX palettes to original palette from resource file
 */
void psxPaletteMapper(PALQ *originalPal, uint8 *psxClut, byte *mapperTable) {
	PALETTE *pal = (PALETTE *)LockMem(originalPal->hPal);
	bool colorFound = false;
	uint16 clutEntry = 0;

	// Empty the table with color correspondences
	memset(mapperTable, 0, 16);

	for (int j = 1; j < 16; j++) {
		clutEntry = READ_16(psxClut + (sizeof(uint16) * j));
		if (clutEntry) {
			if (clutEntry == 0x7EC0) { // This is an already known value, used by the in-game text
				mapperTable[j] = 232;
				continue;
			}

			// Check for correspondent color
			for (uint i = 0; (i < FROM_32(pal->numColors)) && !colorFound; i++) {
				// get R G B values in the same way as psx format converters
				uint16 psxEquivalent = TINSEL_PSX_RGB(TINSEL_GetRValue(pal->palRGB[i]) >> 3, TINSEL_GetGValue(pal->palRGB[i]) >> 3, TINSEL_GetBValue(pal->palRGB[i]) >> 3);

				if (psxEquivalent == clutEntry) {
					mapperTable[j] = i + 1; // Add entry in the table for the found color
					colorFound = true;
				}
			}
			colorFound = false;
		} else { // The rest of the entries are zeroes
			return;
		}
	}
}

/**
 * Transfer palettes in the palette Q to Video DAC.
 */
void PalettesToVideoDAC() {
	PALQ *pPalQ;				// palette Q iterator
	VIDEO_DAC_Q *pDACtail = g_vidDACdata;	// set tail pointer
	byte pal[768];

	// while Q is not empty
	while (g_pDAChead != pDACtail) {
		const PALETTE *pPalette;	// pointer to hardware palette
		const COLORREF *pColors;	// pointer to list of RGB triples

#ifdef	DEBUG
		// make sure palette does not overlap
		assert(pDACtail->destDACindex + pDACtail->numColors <= MAX_COLORS);
#else
		// make sure palette does not overlap
		if (pDACtail->destDACindex + pDACtail->numColors > MAX_COLORS)
			pDACtail->numColors = MAX_COLORS - pDACtail->destDACindex;
#endif

		if (pDACtail->bHandle) {
			// we are using a palette handle

			// get hardware palette pointer
			pPalette = (const PALETTE *)LockMem(FROM_32(pDACtail->pal.hRGBarray));

			// get RGB pointer
			pColors = pPalette->palRGB;
		} else if (pDACtail->numColors == 1) {
			// we are using a single color palette
			pColors = &pDACtail->pal.singleRGB;
		} else {
			// we are using a palette pointer
			pColors = pDACtail->pal.pRGBarray;
		}

		for (int i = 0; i < pDACtail->numColors; ++i) {
			pal[i * 3 + 0] = TINSEL_GetRValue(pColors[i]);
			pal[i * 3 + 1] = TINSEL_GetGValue(pColors[i]);
			pal[i * 3 + 2] = TINSEL_GetBValue(pColors[i]);
		}

		// update the system palette
		g_system->getPaletteManager()->setPalette(pal, pDACtail->destDACindex, pDACtail->numColors);

		// update tail pointer
		pDACtail++;

	}

	// reset video DAC transfer Q head pointer
	g_pDAChead = g_vidDACdata;

	// clear all palette moved bits
	for (pPalQ = g_palAllocData; pPalQ < g_palAllocData + NUM_PALETTES; pPalQ++)
		pPalQ->posInDAC &= ~PALETTE_MOVED;
}

/**
 * Commpletely reset the palette allocator.
 */
void ResetPalAllocator() {
#ifdef DEBUG
	// clear number of palettes in use
	numPals = 0;
#endif

	// wipe out the palette allocator data
	memset(g_palAllocData, 0, sizeof(g_palAllocData));

	// reset video DAC transfer Q head pointer
	g_pDAChead = g_vidDACdata;
}

#ifdef	DEBUG
/**
 * Shows the maximum number of palettes used at once.
 */
void PaletteStats() {
	debug("%i palettes of %i used", maxPals, NUM_PALETTES);
	debug("%i DAC queue entries of %i used", maxDACQ, VDACQLENGTH);
}
#endif

/**
 * Places a palette in the video DAC queue.
 * @param posInDAC			Position in video DAC
 * @param numColors		Number of colors in palette
 * @param hPalette			Handle to palette
 */
void UpdateDACqueueHandle(int posInDAC, int numColors, SCNHANDLE hPalette) {
	// check Q overflow
	assert(g_pDAChead < g_vidDACdata + VDACQLENGTH);

	g_pDAChead->destDACindex = posInDAC & ~PALETTE_MOVED;	// set index in video DAC
	g_pDAChead->numColors = numColors;	// set number of colors
	g_pDAChead->pal.hRGBarray = hPalette;	// set handle of palette
	g_pDAChead->bHandle = true;		// we are using a palette handle

	// update head pointer
	++g_pDAChead;

#ifdef DEBUG
	if ((g_pDAChead-g_vidDACdata) > maxDACQ)
		maxDACQ = g_pDAChead-g_vidDACdata;
#endif
}

/**
 * Places a palette in the video DAC queue.
 * @param posInDAC			Position in video DAC
 * @param numColors		Number of colors in palette
 * @param pColors			List of RGB triples
 */
void UpdateDACqueue(int posInDAC, int numColors, COLORREF *pColors) {
	// check Q overflow
	assert(g_pDAChead < g_vidDACdata + NUM_PALETTES);

	g_pDAChead->destDACindex = posInDAC & ~PALETTE_MOVED;	// set index in video DAC
	g_pDAChead->numColors = numColors;	// set number of colors
	if (numColors == 1)
		g_pDAChead->pal.singleRGB = *pColors;	// set single color of which the "palette" consists
	else
		g_pDAChead->pal.pRGBarray = pColors;	// set addr of palette
	g_pDAChead->bHandle = false;		// we are not using a palette handle

	// update head pointer
	++g_pDAChead;

#ifdef DEBUG
	if ((g_pDAChead-g_vidDACdata) > maxDACQ)
		maxDACQ = g_pDAChead-g_vidDACdata;
#endif
}


/**
 * Places a "palette" consisting of a single color in the video DAC queue.
 * @param posInDAC			Position in video DAC
 * @param color				Single RGB triple
 */
void UpdateDACqueue(int posInDAC, COLORREF color) {
	// check Q overflow
	assert(g_pDAChead < g_vidDACdata + NUM_PALETTES);

	g_pDAChead->destDACindex = posInDAC & ~PALETTE_MOVED;	// set index in video DAC
	g_pDAChead->numColors = 1;	// set number of colors
	g_pDAChead->pal.singleRGB = color;	// set single color of which the "palette" consists
	g_pDAChead->bHandle = false;		// we are not using a palette handle

	// update head pointer
	++g_pDAChead;

#ifdef DEBUG
	if ((g_pDAChead-g_vidDACdata) > maxDACQ)
		maxDACQ = g_pDAChead-g_vidDACdata;
#endif
}

/**
 * Allocate a palette.
 * @param hNewPal			Palette to allocate
 */
PALQ *AllocPalette(SCNHANDLE hNewPal) {
	PALQ *pPrev, *p;		// walks palAllocData
	int iDAC;		// color index in video DAC
	PALQ *pNxtPal;		// next PALQ struct in palette allocator
	PALETTE *pNewPal;

	// get pointer to new palette
	pNewPal = (PALETTE *)LockMem(FROM_32(hNewPal));

	// search all structs in palette allocator - see if palette already allocated
	for (p = g_palAllocData; p < g_palAllocData + NUM_PALETTES; p++) {
		if (p->hPal == hNewPal) {
			// found the desired palette in palette allocator
			p->objCount++;	// update number of objects using palette
			return p;	// return palette queue position
		}
	}

	// search all structs in palette allocator - find a free slot
	iDAC = FGND_DAC_INDEX;	// init DAC index to first available foreground color

	for (p = g_palAllocData; p < g_palAllocData + NUM_PALETTES; p++) {
		if (p->hPal == 0) {
			// found a free slot in palette allocator
			p->objCount = 1;	// init number of objects using palette
			p->posInDAC = iDAC;	// set palettes start pos in video DAC
			p->hPal = hNewPal;	// set hardware palette data
			p->numColors = FROM_32(pNewPal->numColors);	// set number of colors in palette

			if (TinselV2)
				// Copy all the colors
				memcpy(p->palRGB, pNewPal->palRGB, p->numColors * sizeof(COLORREF));

#ifdef DEBUG
			// one more palette in use
			if (++numPals > maxPals)
				maxPals = numPals;
#endif

			// Q the change to the video DAC
			if (TinselV2)
				UpdateDACqueue(p->posInDAC, p->numColors, p->palRGB);
			else
				UpdateDACqueueHandle(p->posInDAC, p->numColors, p->hPal);

			// move all palettes after this one down (if necessary)
			for (pPrev = p, pNxtPal = pPrev + 1; pNxtPal < g_palAllocData + NUM_PALETTES; pNxtPal++) {
				if (pNxtPal->hPal != 0) {
					// palette slot is in use
					if (pNxtPal->posInDAC >= pPrev->posInDAC + pPrev->numColors)
						// no need to move palettes down
						break;

					// move palette down - indicate change
					pNxtPal->posInDAC = (pPrev->posInDAC
						+ pPrev->numColors) | PALETTE_MOVED;

					// Q the palette change in position to the video DAC
					if (!TinselV2)
						UpdateDACqueueHandle(pNxtPal->posInDAC,
							pNxtPal->numColors,
							pNxtPal->hPal);
					else if (!pNxtPal->bFading)
						UpdateDACqueue(pNxtPal->posInDAC,
							pNxtPal->numColors,
							pNxtPal->palRGB);

					// update previous palette to current palette
					pPrev = pNxtPal;
				}
			}

			// return palette pointer
			return p;
		}

		// set new DAC index
		iDAC = p->posInDAC + p->numColors;
	}

	// no free palettes
	error("AllocPalette(): formally 'assert(0)!'");
}

/**
 * Free a palette allocated with "AllocPalette".
 * @param pFreePal			Palette queue entry to free
 */
void FreePalette(PALQ *pFreePal) {
	// validate palette Q pointer
	assert(pFreePal >= g_palAllocData && pFreePal <= g_palAllocData + NUM_PALETTES - 1);

	// reduce the palettes object reference count
	pFreePal->objCount--;

	// make sure palette has not been deallocated too many times
	assert(pFreePal->objCount >= 0);

	if (pFreePal->objCount == 0) {
		pFreePal->hPal = 0;	// palette is no longer in use

#ifdef DEBUG
		// one less palette in use
		--numPals;
		assert(numPals >= 0);
#endif
	}
}

/**
 * Find the specified palette.
 * @param hSrchPal			Hardware palette to search for
 */
PALQ *FindPalette(SCNHANDLE hSrchPal) {
	PALQ *pPal;		// palette allocator iterator

	// search all structs in palette allocator
	for (pPal = g_palAllocData; pPal < g_palAllocData + NUM_PALETTES; pPal++) {
		if (pPal->hPal == hSrchPal)
			// found palette in palette allocator
			return pPal;
	}

	// palette not found
	return NULL;
}

/**
 * Swaps the palettes at the specified palette queue position.
 * @param pPalQ			Palette queue position
 * @param hNewPal		New palette
 */
void SwapPalette(PALQ *pPalQ, SCNHANDLE hNewPal) {
	// convert handle to palette pointer
	PALETTE *pNewPal = (PALETTE *)LockMem(hNewPal);

	// validate palette Q pointer
	assert(pPalQ >= g_palAllocData && pPalQ <= g_palAllocData + NUM_PALETTES - 1);

	if (pPalQ->numColors >= (int)FROM_32(pNewPal->numColors)) {
		// new palette will fit the slot

		// install new palette
		pPalQ->hPal = hNewPal;

		if (TinselV2) {
			pPalQ->numColors = FROM_32(pNewPal->numColors);

			// Copy all the colors
			memcpy(pPalQ->palRGB, pNewPal->palRGB, FROM_32(pNewPal->numColors) * sizeof(COLORREF));

			if (!pPalQ->bFading)
				// Q the change to the video DAC
				UpdateDACqueue(pPalQ->posInDAC, FROM_32(pNewPal->numColors), pPalQ->palRGB);
		} else {
			// Q the change to the video DAC
			UpdateDACqueueHandle(pPalQ->posInDAC, FROM_32(pNewPal->numColors), hNewPal);
		}
	} else {
		// # colors are different - will have to update all following palette entries
		assert(!TinselV2); // Fatal error for Tinsel 2

		PALQ *pNxtPalQ;		// next palette queue position

		for (pNxtPalQ = pPalQ + 1; pNxtPalQ < g_palAllocData + NUM_PALETTES; pNxtPalQ++) {
			if (pNxtPalQ->posInDAC >= pPalQ->posInDAC + pPalQ->numColors)
				// no need to move palettes down
				break;

			// move palette down
			pNxtPalQ->posInDAC = (pPalQ->posInDAC
				+ pPalQ->numColors) | PALETTE_MOVED;

			// Q the palette change in position to the video DAC
			UpdateDACqueueHandle(pNxtPalQ->posInDAC,
				pNxtPalQ->numColors,
				pNxtPalQ->hPal);

			// update previous palette to current palette
			pPalQ = pNxtPalQ;
		}
	}
}

/**
 * Statless palette iterator. Returns the next palette in the list
 * @param pStrtPal			Palette to start from - when NULL will start from beginning of list
 */
PALQ *GetNextPalette(PALQ *pStrtPal) {
	if (pStrtPal == NULL) {
		// start of palette iteration - return 1st palette
		return (g_palAllocData[0].objCount) ? g_palAllocData : NULL;
	}

	// validate palette Q pointer
	assert(pStrtPal >= g_palAllocData && pStrtPal <= g_palAllocData + NUM_PALETTES - 1);

	// return next active palette in list
	while (++pStrtPal < g_palAllocData + NUM_PALETTES) {
		if (pStrtPal->objCount)
			// active palette found
			return pStrtPal;
	}

	// non found
	return NULL;
}

/**
 * Sets the current background color.
 * @param color			Color to set the background to
 */
void SetBgndColor(COLORREF color) {
	// update background color struct by queuing the change to the video DAC
	UpdateDACqueue(BGND_DAC_INDEX, color);
}

/**
 * Note whether a palette is being faded.
 * @param pPalQ			Palette queue position
 * @param bFading		Whether it is fading
 */
void FadingPalette(PALQ *pPalQ, bool bFading) {
	// validate palette Q pointer
	assert(pPalQ >= g_palAllocData && pPalQ <= g_palAllocData + NUM_PALETTES - 1);

	// validate that this is a change
	assert(pPalQ->bFading != bFading);

	pPalQ->bFading = bFading;
}

/**
 * All fading processes have just been killed, so none of the
 * palettes are fading.
 */
void NoFadingPalettes() {
	PALQ *pPalQ;

	for (pPalQ = g_palAllocData; pPalQ <= g_palAllocData + NUM_PALETTES - 1; pPalQ++) {
		pPalQ->bFading = false;
	}
}

/**
 * Builds the translucent palette from the current backgrounds palette.
 * @param hPalette			Handle to current background palette
 */
void CreateTranslucentPalette(SCNHANDLE hPalette) {
	// get a pointer to the palette
	PALETTE *pPal = (PALETTE *)LockMem(hPalette);

	// leave background color alone
	g_transPalette[0] = 0;

	for (uint i = 0; i < FROM_32(pPal->numColors); i++) {
		// get the RGB color model values
		uint8 red   = TINSEL_GetRValue(pPal->palRGB[i]);
		uint8 green = TINSEL_GetGValue(pPal->palRGB[i]);
		uint8 blue  = TINSEL_GetBValue(pPal->palRGB[i]);

		// calculate the Value field of the HSV color model
		unsigned val = (red > green) ? red : green;
		val = (val > blue) ? val : blue;

		// map the Value field to one of the 4 colors reserved for the translucent palette
		val /= 63;
		g_transPalette[i + 1] = (uint8)((val == 0) ? 0 : val +
			(TinselV2 ? TranslucentColor() : COL_HILIGHT) - 1);
	}
}

/**
 * Creates the ghost palette
 */
void CreateGhostPalette(SCNHANDLE hPalette) {
	// get a pointer to the palette
	PALETTE *pPal = (PALETTE *)LockMem(hPalette);
	int i;

	// leave background color alone
	g_ghostPalette[0] = 0;

	for (i = 0; i < (int)FROM_32(pPal->numColors); i++) {
		// get the RGB color model values
		uint8 red   = TINSEL_GetRValue(pPal->palRGB[i]);
		uint8 green = TINSEL_GetGValue(pPal->palRGB[i]);
		uint8 blue  = TINSEL_GetBValue(pPal->palRGB[i]);

		// calculate the Value field of the HSV color model
		unsigned val = (red > green) ? red : green;
		val = (val > blue) ? val : blue;

		// map the Value field to one of the 4 colors reserved for the translucent palette
		val /= 64;
		assert(/*val >= 0 &&*/ val <= 3);
		g_ghostPalette[i + 1] = (uint8)(val + SysVar(ISV_GHOST_BASE));
	}
}


/**
 * Returns an adjusted color RGB
 * @param color		Color to scale
 */
static COLORREF DimColor(COLORREF color, int factor) {
	uint32 red, green, blue;

	if (factor == 10) {
		// No change
		return color;
	} else if (factor == 0) {
		// No brightness
		return 0;
	} else {
		// apply multiplier to RGB components
		red   = TINSEL_GetRValue(color) * factor / 10;
		green = TINSEL_GetGValue(color) * factor / 10;
		blue  = TINSEL_GetBValue(color) * factor / 10;

		// return new color
		return TINSEL_RGB(red, green, blue);
	}
}

/**
 * DimPartPalette
 */
void DimPartPalette(SCNHANDLE hDimPal, int startColor, int length, int brightness) {
	PALQ *pPalQ;
	PALETTE *pDimPal;
	int iColor;

	pPalQ = FindPalette(hDimPal);
	assert(pPalQ);

	// get pointer to dim palette
	pDimPal = (PALETTE *)LockMem(hDimPal);

	// Adjust for the fact that palettes don't contain color 0
	startColor -= 1;

	// Check some other things
	if (startColor + length > pPalQ->numColors)
		error("DimPartPalette(): color overrun");

	for (iColor = startColor; iColor < startColor + length; iColor++) {
		pPalQ->palRGB[iColor] = DimColor(pDimPal->palRGB[iColor], brightness);
	}

	if (!pPalQ->bFading) {
		// Q the change to the video DAC
		UpdateDACqueue(pPalQ->posInDAC + startColor, length, &pPalQ->palRGB[startColor]);
	}
}

int TranslucentColor() {
	return g_translucentIndex;
}

int HighlightColor() {
	UpdateDACqueue(g_talkIndex, (COLORREF)SysVar(SYS_HighlightRGB));

	return g_talkIndex;
}

int TalkColor() {
	return TinselV2 ? g_talkIndex : TALKFONT_COL;
}

void SetTalkColorRef(COLORREF colRef) {
	g_talkColRef = colRef;
}

COLORREF GetTalkColorRef() {
	return g_talkColRef;
}

void SetTagColorRef(COLORREF colRef) {
	g_tagColRef = colRef;
}

COLORREF GetTagColorRef() {
	return g_tagColRef;
}

void SetTranslucencyOffset(int offset) {
	g_translucentIndex = offset;
}

void SetTalkTextOffset(int offset) {
	g_talkIndex = offset;
}

} // End of namespace Tinsel