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-rw-r--r--tools/nitrogfx/gfx.c91
-rw-r--r--tools/nitrogfx/gfx.h3
-rw-r--r--tools/nitrogfx/jasc_pal.c7
-rw-r--r--tools/nitrogfx/main.c53
-rw-r--r--tools/nitrogfx/util.c24
-rw-r--r--tools/nitrogfx/util.h2
6 files changed, 180 insertions, 0 deletions
diff --git a/tools/nitrogfx/gfx.c b/tools/nitrogfx/gfx.c
index f927deed..ac156575 100644
--- a/tools/nitrogfx/gfx.c
+++ b/tools/nitrogfx/gfx.c
@@ -1,5 +1,6 @@
// Copyright (c) 2015 YamaArashi
+#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
@@ -322,6 +323,41 @@ void ReadGbaPalette(char *path, struct Palette *palette)
free(data);
}
+void ReadNtrPalette(char *path, struct Palette *palette)
+{
+ int fileSize;
+ unsigned char *data = ReadWholeFile(path, &fileSize);
+
+ if (memcmp(data, "RLCN", 4) != 0 && memcmp(data, "RPCN", 4) != 0) //NCLR / NCPR
+ {
+ FATAL_ERROR("Not a valid NCLR or NCPR palette file.\n");
+ }
+
+ unsigned char *paletteHeader = data + 0x10;
+
+ if (memcmp(paletteHeader, "TTLP", 4) != 0)
+ {
+ FATAL_ERROR("No valid PLTT file after NCLR header.\n");
+ }
+
+ if ((fileSize - 0x28) % 2 != 0)
+ FATAL_ERROR("The file size (%d) is not a multiple of 2.\n", fileSize);
+
+ palette->numColors = (fileSize - 0x28) / 2; //remove header and divide by 2
+
+ unsigned char *paletteData = paletteHeader + 0x18;
+
+ for (int i = 0; i < palette->numColors; i++)
+ {
+ uint16_t paletteEntry = (paletteData[i * 2 + 1] << 8) | paletteData[i * 2];
+ palette->colors[i].red = UPCONVERT_BIT_DEPTH(GET_GBA_PAL_RED(paletteEntry));
+ palette->colors[i].green = UPCONVERT_BIT_DEPTH(GET_GBA_PAL_GREEN(paletteEntry));
+ palette->colors[i].blue = UPCONVERT_BIT_DEPTH(GET_GBA_PAL_BLUE(paletteEntry));
+ }
+
+ free(data);
+}
+
void WriteGbaPalette(char *path, struct Palette *palette)
{
FILE *fp = fopen(path, "wb");
@@ -342,3 +378,58 @@ void WriteGbaPalette(char *path, struct Palette *palette)
fclose(fp);
}
+
+void WriteNtrPalette(char *path, struct Palette *palette, bool ncpr)
+{
+ FILE *fp = fopen(path, "wb");
+
+ if (fp == NULL)
+ FATAL_ERROR("Failed to open \"%s\" for writing.\n", path);
+
+ uint32_t size = palette->numColors * 2;
+ uint32_t extSize = size + (ncpr ? 0x10 : 0x18);
+
+ //NCLR header
+ WriteGenericNtrHeader(fp, (ncpr ? "RPCN" : "RLCN"), extSize, !ncpr);
+
+ unsigned char palHeader[0x18] =
+ {
+ 0x54, 0x54, 0x4C, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00
+ };
+
+ //section size
+ palHeader[4] = extSize & 0xFF;
+ palHeader[5] = (extSize >> 8) & 0xFF;
+ palHeader[6] = (extSize >> 16) & 0xFF;
+ palHeader[7] = (extSize >> 24) & 0xFF;
+
+ //bit depth
+ palHeader[8] = palette->bitDepth == 4 ? 0x03: 0x04;
+
+ //size
+ palHeader[16] = size & 0xFF;
+ palHeader[17] = (size >> 8) & 0xFF;
+ palHeader[18] = (size >> 16) & 0xFF;
+ palHeader[19] = (size >> 24) & 0xFF;
+
+ fwrite(palHeader, 1, 0x18, fp);
+
+ unsigned char colours[palette->numColors * 2];
+ //palette data
+ for (int i = 0; i < palette->numColors; i++)
+ {
+ unsigned char red = DOWNCONVERT_BIT_DEPTH(palette->colors[i].red);
+ unsigned char green = DOWNCONVERT_BIT_DEPTH(palette->colors[i].green);
+ unsigned char blue = DOWNCONVERT_BIT_DEPTH(palette->colors[i].blue);
+
+ uint16_t paletteEntry = SET_GBA_PAL(red, green, blue);
+
+ colours[i * 2] = paletteEntry & 0xFF;
+ colours[i * 2 + 1] = paletteEntry >> 8;
+ }
+
+ fwrite(colours, 1, palette->numColors * 2, fp);
+
+ fclose(fp);
+}
diff --git a/tools/nitrogfx/gfx.h b/tools/nitrogfx/gfx.h
index 5355ced8..fc57380e 100644
--- a/tools/nitrogfx/gfx.h
+++ b/tools/nitrogfx/gfx.h
@@ -15,6 +15,7 @@ struct Color {
struct Palette {
struct Color colors[256];
int numColors;
+ int bitDepth;
};
struct Image {
@@ -31,6 +32,8 @@ void ReadImage(char *path, int tilesWidth, int bitDepth, int metatileWidth, int
void WriteImage(char *path, int numTiles, int bitDepth, int metatileWidth, int metatileHeight, struct Image *image, bool invertColors);
void FreeImage(struct Image *image);
void ReadGbaPalette(char *path, struct Palette *palette);
+void ReadNtrPalette(char *path, struct Palette *palette);
void WriteGbaPalette(char *path, struct Palette *palette);
+void WriteNtrPalette(char *path, struct Palette *palette, bool ncpr);
#endif // GFX_H
diff --git a/tools/nitrogfx/jasc_pal.c b/tools/nitrogfx/jasc_pal.c
index e5ba9c3c..4f80f5d9 100644
--- a/tools/nitrogfx/jasc_pal.c
+++ b/tools/nitrogfx/jasc_pal.c
@@ -91,6 +91,8 @@ void ReadJascPalette(char *path, struct Palette *palette)
if (palette->numColors < 1 || palette->numColors > 256)
FATAL_ERROR("%d is an invalid number of colors. The number of colors must be in the range [1, 256].\n", palette->numColors);
+ palette->bitDepth = 4;
+
for (int i = 0; i < palette->numColors; i++)
{
ReadJascPaletteLine(fp, line);
@@ -146,6 +148,11 @@ void ReadJascPalette(char *path, struct Palette *palette)
palette->colors[i].red = red;
palette->colors[i].green = green;
palette->colors[i].blue = blue;
+ if (i >= 16)
+ {
+ if (red || green || blue)
+ palette->bitDepth = 8;
+ }
}
if (fgetc(fp) != EOF)
diff --git a/tools/nitrogfx/main.c b/tools/nitrogfx/main.c
index b9f4272c..7365cf39 100644
--- a/tools/nitrogfx/main.c
+++ b/tools/nitrogfx/main.c
@@ -214,6 +214,14 @@ void HandleGbaToJascPaletteCommand(char *inputPath, char *outputPath, int argc U
WriteJascPalette(outputPath, &palette);
}
+void HandleNtrToJascPaletteCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
+{
+ struct Palette palette;
+
+ ReadNtrPalette(inputPath, &palette);
+ WriteJascPalette(outputPath, &palette);
+}
+
void HandleJascToGbaPaletteCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
int numColors = 0;
@@ -251,6 +259,48 @@ void HandleJascToGbaPaletteCommand(char *inputPath, char *outputPath, int argc,
WriteGbaPalette(outputPath, &palette);
}
+void HandleJascToNtrPaletteCommand(char *inputPath, char *outputPath, int argc, char **argv)
+{
+ int numColors = 0;
+ bool ncpr = false;
+
+ for (int i = 3; i < argc; i++)
+ {
+ char *option = argv[i];
+
+ if (strcmp(option, "-num_colors") == 0)
+ {
+ if (i + 1 >= argc)
+ FATAL_ERROR("No number of colors following \"-num_colors\".\n");
+
+ i++;
+
+ if (!ParseNumber(argv[i], NULL, 10, &numColors))
+ FATAL_ERROR("Failed to parse number of colors.\n");
+
+ if (numColors < 1)
+ FATAL_ERROR("Number of colors must be positive.\n");
+ }
+ else if (strcmp(option, "-ncpr") == 0)
+ {
+ ncpr = true;
+ }
+ else
+ {
+ FATAL_ERROR("Unrecognized option \"%s\".\n", option);
+ }
+ }
+
+ struct Palette palette;
+
+ ReadJascPalette(inputPath, &palette);
+
+ if (numColors != 0)
+ palette.numColors = numColors;
+
+ WriteNtrPalette(outputPath, &palette, ncpr);
+}
+
void HandleLatinFontToPngCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Image image;
@@ -496,7 +546,10 @@ int main(int argc, char **argv)
{ "png", "8bpp", HandlePngToGbaCommand },
{ "png", "gbapal", HandlePngToGbaPaletteCommand },
{ "gbapal", "pal", HandleGbaToJascPaletteCommand },
+ { "NCLR", "pal", HandleNtrToJascPaletteCommand },
+ { "NCPR", "pal", HandleNtrToJascPaletteCommand },
{ "pal", "gbapal", HandleJascToGbaPaletteCommand },
+ { "pal", "NCLR", HandleJascToNtrPaletteCommand },
{ "latfont", "png", HandleLatinFontToPngCommand },
{ "png", "latfont", HandlePngToLatinFontCommand },
{ "hwjpnfont", "png", HandleHalfwidthJapaneseFontToPngCommand },
diff --git a/tools/nitrogfx/util.c b/tools/nitrogfx/util.c
index 87abeb31..73a128a1 100644
--- a/tools/nitrogfx/util.c
+++ b/tools/nitrogfx/util.c
@@ -4,6 +4,7 @@
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
+#include <stdint.h>
#include <errno.h>
#include <limits.h>
#include "global.h"
@@ -122,3 +123,26 @@ void WriteWholeFile(char *path, void *buffer, int bufferSize)
fclose(fp);
}
+
+void WriteGenericNtrHeader(FILE* fp, const char* magicNumber, uint32_t size, bool byteorder)
+{
+ unsigned char header[0x10] =
+ { 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFE, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x01, 0x00 };
+ //magic number
+ memcpy(header, magicNumber, 4);
+
+ //byte order
+ if (!byteorder)
+ {
+ memset(header + 4, 0, 2);
+ }
+
+ //size
+ size += 0x10; //add header size
+ header[8] = size & 0xFF;
+ header[9] = (size >> 8) & 0xFF;
+ header[10] = (size >> 16) & 0xFF;
+ header[11] = (size >> 24) & 0xFF;
+
+ fwrite(header, 1, 0x10, fp);
+}
diff --git a/tools/nitrogfx/util.h b/tools/nitrogfx/util.h
index 6d7a9c21..f181b66e 100644
--- a/tools/nitrogfx/util.h
+++ b/tools/nitrogfx/util.h
@@ -4,11 +4,13 @@
#define UTIL_H
#include <stdbool.h>
+#include <stdint.h>
bool ParseNumber(char *s, char **end, int radix, int *intValue);
char *GetFileExtension(char *path);
unsigned char *ReadWholeFile(char *path, int *size);
unsigned char *ReadWholeFileZeroPadded(char *path, int *size, int padAmount);
void WriteWholeFile(char *path, void *buffer, int bufferSize);
+void WriteGenericNtrHeader(FILE* fp, const char* magicNumber, uint32_t size, bool byteorder);
#endif // UTIL_H
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-09 20:58:47 +0000