#include <stdint.h>#include <stdbool.h>#include <math.h>#include "ft2_palette.h"#include "ft2_gui.h"#include "ft2_config.h"#include "ft2_video.h"#include "ft2_palette.h"#include "ft2_tables.h" uint8_t cfg_ColorNum = 0; // globalized static uint8_t cfg_Red, cfg_Green, cfg_Blue, cfg_Contrast; static const uint8_t FTC_EditOrder[6] = { PAL_PATTEXT, PAL_BLCKMRK, PAL_BLCKTXT, PAL_MOUSEPT, PAL_DESKTOP, PAL_BUTTONS };static const uint8_t scaleOrder[3] = { 8, 4, 9 }; static uint8_t palContrast[12][2] = // palette desktop/button contrasts{	{59, 55}, {59, 53}, {56, 59}, {68, 55}, {57, 59}, {48, 55},	{66, 62}, {68, 57}, {58, 42}, {57, 55}, {62, 57}, {52, 57}}; void setCustomPalColor(uint32_t color){	video.palette[PAL_CUSTOM] = (PAL_CUSTOM << 24) | color;} void setPal16(pal16 *p, bool redrawScreen){#define LOOP_PIN_COL_SUB 110#define TEXT_MARK_COLOR 0x0078D7#define BOX_SELECT_COLOR 0x7F7F7F 	int16_t r, g, b; 	// set main palette w/ 18-bit -> 24-bit conversion	for (int32_t i = 0; i < 16; i++)	{		r = P6_TO_P8(p[i].r); // 0..63 -> 0..255		g = P6_TO_P8(p[i].g);		b = P6_TO_P8(p[i].b); 		video.palette[i] = (i << 24) | RGB32(r, g, b);	} 	// set custom FT2 clone palette entries 	video.palette[PAL_TEXTMRK] = (PAL_TEXTMRK << 24) | TEXT_MARK_COLOR;	video.palette[PAL_BOXSLCT] = (PAL_BOXSLCT << 24) | BOX_SELECT_COLOR; 	r = RGB32_R(video.palette[PAL_PATTEXT]);	g = RGB32_G(video.palette[PAL_PATTEXT]);	b = RGB32_B(video.palette[PAL_PATTEXT]); 	r = MAX(r - LOOP_PIN_COL_SUB, 0);	g = MAX(g - LOOP_PIN_COL_SUB, 0);	b = MAX(b - LOOP_PIN_COL_SUB, 0); 	video.palette[PAL_LOOPPIN] = (PAL_LOOPPIN << 24) | RGB32(r, g, b); 	// update framebuffer pixels with new palette	if (redrawScreen && video.frameBuffer != NULL)	{		for (int32_t i = 0; i < SCREEN_W*SCREEN_H; i++)			video.frameBuffer[i] = video.palette[(video.frameBuffer[i] >> 24) & 15]; // ARGB alpha channel = palette index	}} static void showColorErrorMsg(void){	okBox(0, "System message", "Default colors cannot be modified.");} static void showMouseColorErrorMsg(void){	okBox(0, "System message", "Mouse color can only be changed when \"Software mouse\" is enabled.");} static double palPow(double dX, double dY){	if (dY == 1.0)		return dX; 	dY *= log(fabs(dX));	dY = CLAMP(dY, -86.0, 86.0); 	return exp(dY);} uint8_t palMax(int32_t c){	return (uint8_t)CLAMP(c, 0, 63);} static void drawCurrentPaletteColor(void){	const uint8_t palIndex = FTC_EditOrder[cfg_ColorNum]; 	const uint8_t r = P6_TO_P8(cfg_Red);	const uint8_t g = P6_TO_P8(cfg_Green);	const uint8_t b = P6_TO_P8(cfg_Blue); 	textOutShadow(516, 3, PAL_FORGRND, PAL_DSKTOP2, "Palette:");	hexOutBg(573, 3, PAL_FORGRND, PAL_DESKTOP, RGB32(r, g, b) & 0xFFFFFF, 6);	clearRect(616, 2, 12, 10);	fillRect(617, 3, 10, 8, palIndex);} static void updatePaletteEditor(void){	const uint8_t colorNum = FTC_EditOrder[cfg_ColorNum]; 	cfg_Red = palTable[config.cfg_StdPalNum][colorNum].r;	cfg_Green = palTable[config.cfg_StdPalNum][colorNum].g;	cfg_Blue = palTable[config.cfg_StdPalNum][colorNum].b; 	if (cfg_ColorNum == 4 || cfg_ColorNum == 5)		cfg_Contrast = palContrast[config.cfg_StdPalNum][cfg_ColorNum-4];	else		cfg_Contrast = 0; 	setScrollBarPos(SB_PAL_R, cfg_Red, false);	setScrollBarPos(SB_PAL_G, cfg_Green, false);	setScrollBarPos(SB_PAL_B, cfg_Blue, false);	setScrollBarPos(SB_PAL_CONTRAST, cfg_Contrast, false); 	drawCurrentPaletteColor();} static void paletteDragMoved(void){	if (config.cfg_StdPalNum != PAL_USER_DEFINED)	{		updatePaletteEditor(); // resets colors/contrast vars		showColorErrorMsg();		return;	} 	if ((config.specialFlags2 & HARDWARE_MOUSE) && cfg_ColorNum == 3)	{		updatePaletteEditor(); // resets colors/contrast vars		showMouseColorErrorMsg();		return;	} 	const uint8_t colorNum = FTC_EditOrder[cfg_ColorNum];	const uint8_t p = (uint8_t)config.cfg_StdPalNum; 	palTable[p][colorNum].r = cfg_Red;	palTable[p][colorNum].g = cfg_Green;	palTable[p][colorNum].b = cfg_Blue; 	if (cfg_ColorNum == 4 || cfg_ColorNum == 5)	{		double dRed = cfg_Red;		double dGreen = cfg_Green;		double dBlue = cfg_Blue; 		int32_t contrast = cfg_Contrast;		if (contrast < 1)			contrast = 1; 		const double dContrast = contrast * (1.0 / 40.0); 		for (int32_t i = 0; i < 3; i++)		{			const int32_t k = scaleOrder[i] + (cfg_ColorNum - 4) * 2; 			double dMul = palPow((i + 1) * (1.0 / 2.0), dContrast); 			palTable[p][k].r = palMax((int32_t)((dRed * dMul) + 0.5));			palTable[p][k].g = palMax((int32_t)((dGreen * dMul) + 0.5));			palTable[p][k].b = palMax((int32_t)((dBlue * dMul) + 0.5));		} 		palContrast[p][cfg_ColorNum-4] = cfg_Contrast;	}	else	{		cfg_Contrast = 0; 		setScrollBarPos(SB_PAL_R, cfg_Red, false);		setScrollBarPos(SB_PAL_G, cfg_Green, false);		setScrollBarPos(SB_PAL_B, cfg_Blue, false);	} 	setScrollBarPos(SB_PAL_CONTRAST, cfg_Contrast, false); 	setPal16(palTable[config.cfg_StdPalNum], true);	drawCurrentPaletteColor();} void sbPalRPos(uint32_t pos){	if (cfg_Red != (uint8_t)pos)	{		cfg_Red = (uint8_t)pos;		paletteDragMoved();	}} void sbPalGPos(uint32_t pos){	if (cfg_Green != (uint8_t)pos)	{		cfg_Green = (uint8_t)pos;		paletteDragMoved();	}} void sbPalBPos(uint32_t pos){	if (cfg_Blue != (uint8_t)pos)	{		cfg_Blue = (uint8_t)pos;		paletteDragMoved();	}} void sbPalContrastPos(uint32_t pos){	if (cfg_Contrast != (uint8_t)pos)	{		cfg_Contrast = (uint8_t)pos;		paletteDragMoved();	}} void configPalRDown(void){	if (config.cfg_StdPalNum != PAL_USER_DEFINED)		showColorErrorMsg();	else if ((config.specialFlags2 & HARDWARE_MOUSE) && cfg_ColorNum == 3)		showMouseColorErrorMsg();	else		scrollBarScrollLeft(SB_PAL_R, 1);} void configPalRUp(void){	if (config.cfg_StdPalNum != PAL_USER_DEFINED)		showColorErrorMsg();	else if ((config.specialFlags2 & HARDWARE_MOUSE) && cfg_ColorNum == 3)		showMouseColorErrorMsg();	else		scrollBarScrollRight(SB_PAL_R, 1);} void configPalGDown(void){	if (config.cfg_StdPalNum != PAL_USER_DEFINED)		showColorErrorMsg();	else if ((config.specialFlags2 & HARDWARE_MOUSE) && cfg_ColorNum == 3)		showMouseColorErrorMsg();	else		scrollBarScrollLeft(SB_PAL_G, 1);} void configPalGUp(void){	if (config.cfg_StdPalNum != PAL_USER_DEFINED)		showColorErrorMsg();	else if ((config.specialFlags2 & HARDWARE_MOUSE) && cfg_ColorNum == 3)		showMouseColorErrorMsg();	else		scrollBarScrollRight(SB_PAL_G, 1);} void configPalBDown(void){	if (config.cfg_StdPalNum != PAL_USER_DEFINED)		showColorErrorMsg();	else if ((config.specialFlags2 & HARDWARE_MOUSE) && cfg_ColorNum == 3)		showMouseColorErrorMsg();	else		scrollBarScrollLeft(SB_PAL_B, 1);} void configPalBUp(void){	if (config.cfg_StdPalNum != PAL_USER_DEFINED)		showColorErrorMsg();	else if ((config.specialFlags2 & HARDWARE_MOUSE) && cfg_ColorNum == 3)		showMouseColorErrorMsg();	else		scrollBarScrollRight(SB_PAL_B, 1);} void configPalContDown(void){	if (config.cfg_StdPalNum != PAL_USER_DEFINED)		showColorErrorMsg();	else if ((config.specialFlags2 & HARDWARE_MOUSE) && cfg_ColorNum == 3)		showMouseColorErrorMsg();	else		scrollBarScrollLeft(SB_PAL_CONTRAST, 1);} void configPalContUp(void){	if (config.cfg_StdPalNum != PAL_USER_DEFINED)		showColorErrorMsg();	else if ((config.specialFlags2 & HARDWARE_MOUSE) && cfg_ColorNum == 3)		showMouseColorErrorMsg();	else		scrollBarScrollRight(SB_PAL_CONTRAST, 1);} void showPaletteEditor(void){	charOutShadow(503, 17, PAL_FORGRND, PAL_DSKTOP2, 'R');	charOutShadow(503, 31, PAL_FORGRND, PAL_DSKTOP2, 'G');	charOutShadow(503, 45, PAL_FORGRND, PAL_DSKTOP2, 'B'); 	showScrollBar(SB_PAL_R);	showScrollBar(SB_PAL_G);	showScrollBar(SB_PAL_B);	showPushButton(PB_CONFIG_PAL_R_DOWN);	showPushButton(PB_CONFIG_PAL_R_UP);	showPushButton(PB_CONFIG_PAL_G_DOWN);	showPushButton(PB_CONFIG_PAL_G_UP);	showPushButton(PB_CONFIG_PAL_B_DOWN);	showPushButton(PB_CONFIG_PAL_B_UP); 	showRadioButtonGroup(RB_GROUP_CONFIG_PAL_ENTRIES); 	textOutShadow(516, 59, PAL_FORGRND, PAL_DSKTOP2, "Contrast:");	showScrollBar(SB_PAL_CONTRAST);	showPushButton(PB_CONFIG_PAL_CONT_DOWN);	showPushButton(PB_CONFIG_PAL_CONT_UP); 	updatePaletteEditor();} void rbConfigPalPatternText(void){	cfg_ColorNum = 0;	checkRadioButton(RB_CONFIG_PAL_PATTERNTEXT);	updatePaletteEditor();} void rbConfigPalBlockMark(void){	cfg_ColorNum = 1;	checkRadioButton(RB_CONFIG_PAL_BLOCKMARK);	updatePaletteEditor();} void rbConfigPalTextOnBlock(void){	cfg_ColorNum = 2;	checkRadioButton(RB_CONFIG_PAL_TEXTONBLOCK);	updatePaletteEditor();} void rbConfigPalMouse(void){	cfg_ColorNum = 3;	checkRadioButton(RB_CONFIG_PAL_MOUSE);	updatePaletteEditor();} void rbConfigPalDesktop(void){	cfg_ColorNum = 4;	checkRadioButton(RB_CONFIG_PAL_DESKTOP);	updatePaletteEditor();} void rbConfigPalButttons(void){	cfg_ColorNum = 5;	checkRadioButton(RB_CONFIG_PAL_BUTTONS);	updatePaletteEditor();} void rbConfigPalArctic(void){	config.cfg_StdPalNum = PAL_ARCTIC;	updatePaletteEditor();	setPal16(palTable[config.cfg_StdPalNum], true);	checkRadioButton(RB_CONFIG_PAL_ARCTIC);} void rbConfigPalLitheDark(void){	config.cfg_StdPalNum = PAL_LITHE_DARK;	updatePaletteEditor();	setPal16(palTable[config.cfg_StdPalNum], true);	checkRadioButton(RB_CONFIG_PAL_LITHE_DARK);} void rbConfigPalAuroraBorealis(void){	config.cfg_StdPalNum = PAL_AURORA_BOREALIS;	updatePaletteEditor();	setPal16(palTable[config.cfg_StdPalNum], true);	checkRadioButton(RB_CONFIG_PAL_AURORA_BOREALIS);} void rbConfigPalRose(void){	config.cfg_StdPalNum = PAL_ROSE;	updatePaletteEditor();	setPal16(palTable[config.cfg_StdPalNum], true);	checkRadioButton(RB_CONFIG_PAL_ROSE);} void rbConfigPalBlues(void){	config.cfg_StdPalNum = PAL_BLUES;	updatePaletteEditor();	setPal16(palTable[config.cfg_StdPalNum], true);	checkRadioButton(RB_CONFIG_PAL_BLUES);} void rbConfigPalDarkMode(void){	config.cfg_StdPalNum = PAL_DARK_MODE;	updatePaletteEditor();	setPal16(palTable[config.cfg_StdPalNum], true);	checkRadioButton(RB_CONFIG_PAL_DARK_MODE);} void rbConfigPalGold(void){	config.cfg_StdPalNum = PAL_GOLD;	updatePaletteEditor();	setPal16(palTable[config.cfg_StdPalNum], true);	checkRadioButton(RB_CONFIG_PAL_GOLD);} void rbConfigPalViolent(void){	config.cfg_StdPalNum = PAL_VIOLENT;	updatePaletteEditor();	setPal16(palTable[config.cfg_StdPalNum], true);	checkRadioButton(RB_CONFIG_PAL_VIOLENT);} void rbConfigPalHeavyMetal(void){	config.cfg_StdPalNum = PAL_HEAVY_METAL;	updatePaletteEditor();	setPal16(palTable[config.cfg_StdPalNum], true);	checkRadioButton(RB_CONFIG_PAL_HEAVY_METAL);} void rbConfigPalWhyColors(void){	config.cfg_StdPalNum = PAL_WHY_COLORS;	updatePaletteEditor();	setPal16(palTable[config.cfg_StdPalNum], true);	checkRadioButton(RB_CONFIG_PAL_WHY_COLORS);} void rbConfigPalJungle(void){	config.cfg_StdPalNum = PAL_JUNGLE;	updatePaletteEditor();	setPal16(palTable[config.cfg_StdPalNum], true);	checkRadioButton(RB_CONFIG_PAL_JUNGLE);} void rbConfigPalUserDefined(void){	config.cfg_StdPalNum = PAL_USER_DEFINED;	updatePaletteEditor();	setPal16(palTable[config.cfg_StdPalNum], true);	checkRadioButton(RB_CONFIG_PAL_USER_DEFINED);}