ref: b859dd5bbe22356ebbd152e4b9c166024ba4df7d
dir: /src/ft2_palette.c/
#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);
}