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palette.c: Remove unused NTSC palette generator

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This commit is contained in:
negativeExponent
2022-06-08 14:40:45 +08:00
parent 75872dab63
commit 9e46701b08
3 changed files with 1 additions and 160 deletions
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7
src/driver.h
View File

@@ -47,13 +47,6 @@ int FCEUI_EndWaveRecord(void);
void FCEUI_ResetNES(void);
void FCEUI_PowerNES(void);
void FCEUI_NTSCSELHUE(void);
void FCEUI_NTSCSELTINT(void);
void FCEUI_NTSCDEC(void);
void FCEUI_NTSCINC(void);
void FCEUI_GetNTSCTH(int *tint, int *hue);
void FCEUI_SetNTSCTH(int n, int tint, int hue);
void FCEUI_SetInput(int port, int type, void *ptr, int attrib);
void FCEUI_SetInputFC(int type, void *ptr, int attrib);
void FCEUI_DisableFourScore(int s);

153
src/palette.c
View File

@@ -33,20 +33,10 @@
#include "palette.h"
#include "palettes/palettes.h"
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
static int ntsccol = 0;
static int ntsctint = 46 + 10;
static int ntschue = 72;
/* These are dynamically filled/generated palettes: */
pal palettei[64]; /* Custom palette for an individual game. */
pal palettec[64]; /* Custom "global" palette. */
pal paletten[64]; /* Mathematically generated palette. */
static void CalculatePalette(void);
static void ChoosePalette(void);
static void WritePalette(void);
uint8 pale = 0;
@@ -77,14 +67,6 @@ void FCEUI_SetPaletteArray(uint8 *pal) {
FCEU_ResetPalette();
}
void FCEUI_SetNTSCTH(int n, int tint, int hue) {
ntsctint = tint;
ntschue = hue;
ntsccol = n;
FCEU_ResetPalette();
}
static uint8 lastd = 0;
void SetNESDeemph(uint8 d, int force) {
static uint16 rtmul[7] = { 32768 * 1.239, 32768 * .794, 32768 * 1.019, 32768 * .905, 32768 * 1.023, 32768 * .741, 32768 * .75 };
@@ -142,50 +124,6 @@ void SetNESDeemph(uint8 d, int force) {
lastd = d;
}
/* Converted from Kevin Horton's qbasic palette generator. */
static void CalculatePalette(void) {
int x, z;
int r, g, b;
double s, luma, theta;
static uint8 cols[16] = { 0, 24, 21, 18, 15, 12, 9, 6, 3, 0, 33, 30, 27, 0, 0, 0 };
static uint8 br1[4] = { 6, 9, 12, 12 };
static double br2[4] = { .29, .45, .73, .9 };
static double br3[4] = { 0, .24, .47, .77 };
for (x = 0; x <= 3; x++)
for (z = 0; z < 16; z++) {
s = (double)ntsctint / 128;
luma = br2[x];
if (z == 0) {
s = 0; luma = ((double)br1[x]) / 12;
}
if (z >= 13) {
s = luma = 0;
if (z == 13)
luma = br3[x];
}
theta = (double)M_PI * (double)(((double)cols[z] * 10 + (((double)ntschue / 2) + 300)) / (double)180);
r = (int)((luma + s * sin(theta)) * 256);
g = (int)((luma - (double)27 / 53 * s * sin(theta) + (double)10 / 53 * s * cos(theta)) * 256);
b = (int)((luma - s * cos(theta)) * 256);
if (r > 255) r = 255;
if (g > 255) g = 255;
if (b > 255) b = 255;
if (r < 0) r = 0;
if (g < 0) g = 0;
if (b < 0) b = 0;
paletten[(x << 4) + z].r = r;
paletten[(x << 4) + z].g = g;
paletten[(x << 4) + z].b = b;
}
WritePalette();
}
int ipalette = 0;
void FCEU_LoadGamePalette(void) {
@@ -228,10 +166,7 @@ static void ChoosePalette(void) {
palo = 0;
else if (ipalette)
palo = palettei;
else if (ntsccol && !PAL && GameInfo->type != GIT_VSUNI) {
palo = paletten;
CalculatePalette();
} else
else
palo = palpoint[pale];
}
@@ -247,89 +182,3 @@ void WritePalette(void) {
SetNESDeemph(lastd, 1);
}
}
void FCEUI_GetNTSCTH(int *tint, int *hue) {
*tint = ntsctint;
*hue = ntschue;
}
static int controlselect = 0;
static int controllength = 0;
void FCEUI_NTSCDEC(void) {
if (ntsccol && GameInfo->type != GIT_VSUNI && !PAL && GameInfo->type != GIT_NSF) {
int which;
if (controlselect) {
if (controllength) {
which = controlselect == 1 ? ntschue : ntsctint;
which--;
if (which < 0) which = 0;
if (controlselect == 1)
ntschue = which;
else ntsctint = which;
CalculatePalette();
}
controllength = 360;
}
}
}
void FCEUI_NTSCINC(void) {
if (ntsccol && GameInfo->type != GIT_VSUNI && !PAL && GameInfo->type != GIT_NSF)
if (controlselect) {
if (controllength) {
switch (controlselect) {
case 1: ntschue++;
if (ntschue > 128) ntschue = 128;
CalculatePalette();
break;
case 2: ntsctint++;
if (ntsctint > 128) ntsctint = 128;
CalculatePalette();
break;
}
}
controllength = 360;
}
}
void FCEUI_NTSCSELHUE(void) {
if (ntsccol && GameInfo->type != GIT_VSUNI && !PAL && GameInfo->type != GIT_NSF) {
controlselect = 1; controllength = 360;
}
}
void FCEUI_NTSCSELTINT(void) {
if (ntsccol && GameInfo->type != GIT_VSUNI && !PAL && GameInfo->type != GIT_NSF) {
controlselect = 2; controllength = 360;
}
}
void FCEU_DrawNTSCControlBars(uint8 *XBuf) {
uint8 *XBaf;
int which = 0;
int x, x2;
if (!controllength) return;
controllength--;
if (!XBuf) return;
if (controlselect == 1) {
DrawTextTrans(XBuf + 128 - 12 + 180 * 256, 256, (uint8*)"Hue", 0x85);
which = ntschue << 1;
} else if (controlselect == 2) {
DrawTextTrans(XBuf + 128 - 16 + 180 * 256, 256, (uint8*)"Tint", 0x85);
which = ntsctint << 1;
}
XBaf = XBuf + 200 * 256;
for (x = 0; x < which; x += 2) {
for (x2 = 6; x2 >= -6; x2--) {
XBaf[x - 256 * x2] = 0x85;
}
}
for (; x < 256; x += 2) {
for (x2 = 2; x2 >= -2; x2--)
XBaf[x - 256 * x2] = 0x85;
}
}

1
src/palette.h
View File

@@ -12,6 +12,5 @@ void FCEU_ResetPalette(void);
void FCEU_ResetPalette(void);
void FCEU_ResetMessages();
void FCEU_LoadGamePalette(void);
void FCEU_DrawNTSCControlBars(uint8 *XBuf);
#endif