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pokeemerald
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remove old tools

This commit is contained in:
YamaArashi 2016-11-01 07:59:44 -07:00
parent 3433894671
commit 74834c0ca0
22 changed files with 1 additions and 2045 deletions
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2
.gitignore vendored
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@ -16,5 +16,5 @@ pokeas
pokeld
pokeobjcopy
src/*.s
tools/agbcc
tools/*
*.map

1
tools/gbagfx/.gitignore vendored
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@ -1 +0,0 @@
gbagfx

19
tools/gbagfx/LICENSE
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@ -1,19 +0,0 @@
Copyright (c) 2015 YamaArashi
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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tools/gbagfx/Makefile
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CC = gcc
CFLAGS = -Wall -Wextra -std=c11 -O2
LIBS = -lz -lpng
SRCS = main.c convert_png.c gfx.c jasc_pal.c lz.c util.c font.c
.PHONY: clean
gbagfx: $(SRCS) convert_png.h gfx.h global.h jasc_pal.h lz.h util.h font.h
$(CC) $(CFLAGS) $(SRCS) -o $@ $(LIBS)
clean:
$(RM) gbagfx gbagfx.exe

169
tools/gbagfx/convert_png.c
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// Copyright (c) 2015 YamaArashi
#include <stdio.h>
#include <setjmp.h>
#include <png.h>
#include "global.h"
#include "convert_png.h"
#include "gfx.h"
void ReadPng(char *path, struct Image *image)
{
FILE *fp = fopen(path, "rb");
if (fp == NULL)
FATAL_ERROR("Failed to open \"%s\" for reading.\n", path);
unsigned char sig[8];
if (fread(sig, 8, 1, fp) != 1)
FATAL_ERROR("Failed to read PNG signature from \"%s\".\n", path);
if (png_sig_cmp(sig, 0, 8))
FATAL_ERROR("\"%s\" does not have a valid PNG signature.\n", path);
png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (!png_ptr)
FATAL_ERROR("Failed to create PNG read struct.\n");
png_infop info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr)
FATAL_ERROR("Failed to create PNG info struct.\n");
if (setjmp(png_jmpbuf(png_ptr)))
FATAL_ERROR("Failed to init I/O for reading \"%s\".\n", path);
png_init_io(png_ptr, fp);
png_set_sig_bytes(png_ptr, 8);
png_read_info(png_ptr, info_ptr);
int bit_depth = png_get_bit_depth(png_ptr, info_ptr);
if (bit_depth != image->bitDepth)
FATAL_ERROR("\"%s\" has a bit depth of %d, but the expected bit depth is %d.\n", path, bit_depth, image->bitDepth);
int color_type = png_get_color_type(png_ptr, info_ptr);
if (color_type != PNG_COLOR_TYPE_GRAY && color_type != PNG_COLOR_TYPE_PALETTE)
FATAL_ERROR("\"%s\" has an unsupported color type.\n", path);
// Check if the image has a palette so that we can tell if the colors need to be inverted later.
// Don't read the palette because it's not needed for now.
image->hasPalette = (color_type == PNG_COLOR_TYPE_PALETTE);
image->width = png_get_image_width(png_ptr, info_ptr);
image->height = png_get_image_height(png_ptr, info_ptr);
int rowbytes = png_get_rowbytes(png_ptr, info_ptr);
image->pixels = malloc(image->height * rowbytes);
if (image->pixels == NULL)
FATAL_ERROR("Failed to allocate pixel buffer.\n");
png_bytepp row_pointers = malloc(image->height * sizeof(png_bytep));
if (row_pointers == NULL)
FATAL_ERROR("Failed to allocate row pointers.\n");
for (int i = 0; i < image->height; i++)
row_pointers[i] = (png_bytep)(image->pixels + (i * rowbytes));
if (setjmp(png_jmpbuf(png_ptr)))
FATAL_ERROR("Error reading from \"%s\".\n", path);
png_read_image(png_ptr, row_pointers);
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
free(row_pointers);
fclose(fp);
}
void SetPngPalette(png_structp png_ptr, png_infop info_ptr, struct Palette *palette)
{
png_colorp colors = malloc(palette->numColors * sizeof(png_color));
if (colors == NULL)
FATAL_ERROR("Failed to allocate PNG palette.\n");
for (int i = 0; i < palette->numColors; i++) {
colors[i].red = palette->colors[i].red;
colors[i].green = palette->colors[i].green;
colors[i].blue = palette->colors[i].blue;
}
png_set_PLTE(png_ptr, info_ptr, colors, palette->numColors);
free(colors);
}
void WritePng(char *path, struct Image *image)
{
FILE *fp = fopen(path, "wb");
if (fp == NULL)
FATAL_ERROR("Failed to open \"%s\" for writing.\n", path);
png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (!png_ptr)
FATAL_ERROR("Failed to create PNG write struct.\n");
png_infop info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr)
FATAL_ERROR("Failed to create PNG info struct.\n");
if (setjmp(png_jmpbuf(png_ptr)))
FATAL_ERROR("Failed to init I/O for writing \"%s\".\n", path);
png_init_io(png_ptr, fp);
if (setjmp(png_jmpbuf(png_ptr)))
FATAL_ERROR("Error writing header for \"%s\".\n", path);
int color_type = image->hasPalette ? PNG_COLOR_TYPE_PALETTE : PNG_COLOR_TYPE_GRAY;
png_set_IHDR(png_ptr, info_ptr, image->width, image->height,
image->bitDepth, color_type, PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
if (image->hasPalette) {
SetPngPalette(png_ptr, info_ptr, &image->palette);
if (image->hasTransparency) {
png_byte trans = 0;
png_set_tRNS(png_ptr, info_ptr, &trans, 1, 0);
}
}
png_write_info(png_ptr, info_ptr);
png_bytepp row_pointers = malloc(image->height * sizeof(png_bytep));
if (row_pointers == NULL)
FATAL_ERROR("Failed to allocate row pointers.\n");
int rowbytes = png_get_rowbytes(png_ptr, info_ptr);
for (int i = 0; i < image->height; i++)
row_pointers[i] = (png_bytep)(image->pixels + (i * rowbytes));
if (setjmp(png_jmpbuf(png_ptr)))
FATAL_ERROR("Error writing \"%s\".\n", path);
png_write_image(png_ptr, row_pointers);
if (setjmp(png_jmpbuf(png_ptr)))
FATAL_ERROR("Error ending write of \"%s\".\n", path);
png_write_end(png_ptr, NULL);
fclose(fp);
png_destroy_write_struct(&png_ptr, &info_ptr);
free(row_pointers);
}

11
tools/gbagfx/convert_png.h
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@ -1,11 +0,0 @@
// Copyright (c) 2015 YamaArashi
#ifndef CONVERT_PNG_H
#define CONVERT_PNG_H
#include "gfx.h"
void ReadPng(char *path, struct Image *image);
void WritePng(char *path, struct Image *image);
#endif // CONVERT_PNG_H

326
tools/gbagfx/font.c
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@ -1,326 +0,0 @@
// Copyright (c) 2015 YamaArashi
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include "global.h"
#include "font.h"
#include "gfx.h"
#include "util.h"
unsigned char gFontPalette[][3] = {
{0x90, 0xC8, 0xFF}, // bg (saturated blue that contrasts well with the shadow color)
{0x38, 0x38, 0x38}, // fg (dark grey)
{0xD8, 0xD8, 0xD8}, // shadow (light grey)
{0xFF, 0xFF, 0xFF} // box (white)
};
static void ConvertFromLatinFont(unsigned char *src, unsigned char *dest, unsigned int numRows)
{
unsigned int srcPixelsOffset = 0;
for (unsigned int row = 0; row < numRows; row++) {
for (unsigned int column = 0; column < 16; column++) {
for (unsigned int glyphTile = 0; glyphTile < 4; glyphTile++) {
unsigned int pixelsX = (column * 16) + ((glyphTile & 1) * 8);
for (unsigned int i = 0; i < 8; i++) {
unsigned int pixelsY = (row * 16) + ((glyphTile >> 1) * 8) + i;
unsigned int destPixelsOffset = (pixelsY * 64) + (pixelsX / 4);
dest[destPixelsOffset] = src[srcPixelsOffset + 1];
dest[destPixelsOffset + 1] = src[srcPixelsOffset];
srcPixelsOffset += 2;
}
}
}
}
}
static void ConvertToLatinFont(unsigned char *src, unsigned char *dest, unsigned int numRows)
{
unsigned int destPixelsOffset = 0;
for (unsigned int row = 0; row < numRows; row++) {
for (unsigned int column = 0; column < 16; column++) {
for (unsigned int glyphTile = 0; glyphTile < 4; glyphTile++) {
unsigned int pixelsX = (column * 16) + ((glyphTile & 1) * 8);
for (unsigned int i = 0; i < 8; i++) {
unsigned int pixelsY = (row * 16) + ((glyphTile >> 1) * 8) + i;
unsigned int srcPixelsOffset = (pixelsY * 64) + (pixelsX / 4);
dest[destPixelsOffset] = src[srcPixelsOffset + 1];
dest[destPixelsOffset + 1] = src[srcPixelsOffset];
destPixelsOffset += 2;
}
}
}
}
}
static void ConvertFromHalfwidthJapaneseFont(unsigned char *src, unsigned char *dest, unsigned int numRows)
{
for (unsigned int row = 0; row < numRows; row++) {
for (unsigned int column = 0; column < 16; column++) {
unsigned int glyphIndex = (row * 16) + column;
for (unsigned int glyphTile = 0; glyphTile < 2; glyphTile++) {
unsigned int pixelsX = column * 8;
unsigned int srcPixelsOffset = 512 * (glyphIndex >> 4) + 16 * (glyphIndex & 0xF) + 256 * glyphTile;
for (unsigned int i = 0; i < 8; i++) {
unsigned int pixelsY = (row * 16) + (glyphTile * 8) + i;
unsigned int destPixelsOffset = (pixelsY * 32) + (pixelsX / 4);
dest[destPixelsOffset] = src[srcPixelsOffset + 1];
dest[destPixelsOffset + 1] = src[srcPixelsOffset];
srcPixelsOffset += 2;
}
}
}
}
}
static void ConvertToHalfwidthJapaneseFont(unsigned char *src, unsigned char *dest, unsigned int numRows)
{
for (unsigned int row = 0; row < numRows; row++) {
for (unsigned int column = 0; column < 16; column++) {
unsigned int glyphIndex = (row * 16) + column;
for (unsigned int glyphTile = 0; glyphTile < 2; glyphTile++) {
unsigned int pixelsX = column * 8;
unsigned int destPixelsOffset = 512 * (glyphIndex >> 4) + 16 * (glyphIndex & 0xF) + 256 * glyphTile;
for (unsigned int i = 0; i < 8; i++) {
unsigned int pixelsY = (row * 16) + (glyphTile * 8) + i;
unsigned int srcPixelsOffset = (pixelsY * 32) + (pixelsX / 4);
dest[destPixelsOffset] = src[srcPixelsOffset + 1];
dest[destPixelsOffset + 1] = src[srcPixelsOffset];
destPixelsOffset += 2;
}
}
}
}
}
static void ConvertFromFullwidthJapaneseFont(unsigned char *src, unsigned char *dest, unsigned int numRows)
{
for (unsigned int row = 0; row < numRows; row++) {
for (unsigned int column = 0; column < 16; column++) {
unsigned int glyphIndex = (row * 16) + column;
for (unsigned int glyphTile = 0; glyphTile < 4; glyphTile++) {
unsigned int pixelsX = (column * 16) + ((glyphTile & 1) * 8);
unsigned int srcPixelsOffset = 512 * (glyphIndex >> 3) + 32 * (glyphIndex & 7) + 256 * (glyphTile >> 1) + 16 * (glyphTile & 1);
for (unsigned int i = 0; i < 8; i++) {
unsigned int pixelsY = (row * 16) + ((glyphTile >> 1) * 8) + i;
unsigned int destPixelsOffset = (pixelsY * 64) + (pixelsX / 4);
dest[destPixelsOffset] = src[srcPixelsOffset + 1];
dest[destPixelsOffset + 1] = src[srcPixelsOffset];
srcPixelsOffset += 2;
}
}
}
}
}
static void ConvertToFullwidthJapaneseFont(unsigned char *src, unsigned char *dest, unsigned int numRows)
{
for (unsigned int row = 0; row < numRows; row++) {
for (unsigned int column = 0; column < 16; column++) {
unsigned int glyphIndex = (row * 16) + column;
for (unsigned int glyphTile = 0; glyphTile < 4; glyphTile++) {
unsigned int pixelsX = (column * 16) + ((glyphTile & 1) * 8);
unsigned int destPixelsOffset = 512 * (glyphIndex >> 3) + 32 * (glyphIndex & 7) + 256 * (glyphTile >> 1) + 16 * (glyphTile & 1);
for (unsigned int i = 0; i < 8; i++) {
unsigned int pixelsY = (row * 16) + ((glyphTile >> 1) * 8) + i;
unsigned int srcPixelsOffset = (pixelsY * 64) + (pixelsX / 4);
dest[destPixelsOffset] = src[srcPixelsOffset + 1];
dest[destPixelsOffset + 1] = src[srcPixelsOffset];
destPixelsOffset += 2;
}
}
}
}
}
static void SetFontPalette(struct Image *image)
{
image->hasPalette = true;
image->palette.numColors = 4;
for (int i = 0; i < image->palette.numColors; i++) {
image->palette.colors[i].red = gFontPalette[i][0];
image->palette.colors[i].green = gFontPalette[i][1];
image->palette.colors[i].blue = gFontPalette[i][2];
}
image->hasTransparency = false;
}
void ReadLatinFont(char *path, struct Image *image)
{
int fileSize;
unsigned char *buffer = ReadWholeFile(path, &fileSize);
int numGlyphs = fileSize / 64;
if (numGlyphs % 16 != 0)
FATAL_ERROR("The number of glyphs (%d) is not a multiple of 16.\n", numGlyphs);
int numRows = numGlyphs / 16;
image->width = 256;
image->height = numRows * 16;
image->bitDepth = 2;
image->pixels = malloc(fileSize);
if (image->pixels == NULL)
FATAL_ERROR("Failed to allocate memory for font.\n");
ConvertFromLatinFont(buffer, image->pixels, numRows);
free(buffer);
SetFontPalette(image);
}
void WriteLatinFont(char *path, struct Image *image)
{
if (image->width != 256)
FATAL_ERROR("The width of the font image (%d) is not 256.\n", image->width);
if (image->height % 16 != 0)
FATAL_ERROR("The height of the font image (%d) is not a multiple of 16.\n", image->height);
int numRows = image->height / 16;
int bufferSize = numRows * 16 * 64;
unsigned char *buffer = malloc(bufferSize);
if (buffer == NULL)
FATAL_ERROR("Failed to allocate memory for font.\n");
ConvertToLatinFont(image->pixels, buffer, numRows);
WriteWholeFile(path, buffer, bufferSize);
free(buffer);
}
void ReadHalfwidthJapaneseFont(char *path, struct Image *image)
{
int fileSize;
unsigned char *buffer = ReadWholeFile(path, &fileSize);
int glyphSize = 32;
if (fileSize % glyphSize != 0)
FATAL_ERROR("The file size (%d) is not a multiple of %d.\n", fileSize, glyphSize);
int numGlyphs = fileSize / glyphSize;
if (numGlyphs % 16 != 0)
FATAL_ERROR("The number of glyphs (%d) is not a multiple of 16.\n", numGlyphs);
int numRows = numGlyphs / 16;
image->width = 128;
image->height = numRows * 16;
image->bitDepth = 2;
image->pixels = malloc(fileSize);
if (image->pixels == NULL)
FATAL_ERROR("Failed to allocate memory for font.\n");
ConvertFromHalfwidthJapaneseFont(buffer, image->pixels, numRows);
free(buffer);
SetFontPalette(image);
}
void WriteHalfwidthJapaneseFont(char *path, struct Image *image)
{
if (image->width != 128)
FATAL_ERROR("The width of the font image (%d) is not 128.\n", image->width);
if (image->height % 16 != 0)
FATAL_ERROR("The height of the font image (%d) is not a multiple of 16.\n", image->height);
int numRows = image->height / 16;
int bufferSize = numRows * 16 * 32;
unsigned char *buffer = malloc(bufferSize);
if (buffer == NULL)
FATAL_ERROR("Failed to allocate memory for font.\n");
ConvertToHalfwidthJapaneseFont(image->pixels, buffer, numRows);
WriteWholeFile(path, buffer, bufferSize);
free(buffer);
}
void ReadFullwidthJapaneseFont(char *path, struct Image *image)
{
int fileSize;
unsigned char *buffer = ReadWholeFile(path, &fileSize);
int numGlyphs = fileSize / 64;
if (numGlyphs % 16 != 0)
FATAL_ERROR("The number of glyphs (%d) is not a multiple of 16.\n", numGlyphs);
int numRows = numGlyphs / 16;
image->width = 256;
image->height = numRows * 16;
image->bitDepth = 2;
image->pixels = malloc(fileSize);
if (image->pixels == NULL)
FATAL_ERROR("Failed to allocate memory for font.\n");
ConvertFromFullwidthJapaneseFont(buffer, image->pixels, numRows);
free(buffer);
SetFontPalette(image);
}
void WriteFullwidthJapaneseFont(char *path, struct Image *image)
{
if (image->width != 256)
FATAL_ERROR("The width of the font image (%d) is not 256.\n", image->width);
if (image->height % 16 != 0)
FATAL_ERROR("The height of the font image (%d) is not a multiple of 16.\n", image->height);
int numRows = image->height / 16;
int bufferSize = numRows * 16 * 64;
unsigned char *buffer = malloc(bufferSize);
if (buffer == NULL)
FATAL_ERROR("Failed to allocate memory for font.\n");
ConvertToFullwidthJapaneseFont(image->pixels, buffer, numRows);
WriteWholeFile(path, buffer, bufferSize);
free(buffer);
}

16
tools/gbagfx/font.h
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// Copyright (c) 2015 YamaArashi
#ifndef FONT_H
#define FONT_H
#include <stdbool.h>
#include "gfx.h"
void ReadLatinFont(char *path, struct Image *image);
void WriteLatinFont(char *path, struct Image *image);
void ReadHalfwidthJapaneseFont(char *path, struct Image *image);
void WriteHalfwidthJapaneseFont(char *path, struct Image *image);
void ReadFullwidthJapaneseFont(char *path, struct Image *image);
void WriteFullwidthJapaneseFont(char *path, struct Image *image);
#endif // FONT_H

329
tools/gbagfx/gfx.c
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// Copyright (c) 2015 YamaArashi
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include "global.h"
#include "gfx.h"
#include "util.h"
#define GET_GBA_PAL_RED(x) (((x) >> 0) & 0x1F)
#define GET_GBA_PAL_GREEN(x) (((x) >> 5) & 0x1F)
#define GET_GBA_PAL_BLUE(x) (((x) >> 10) & 0x1F)
#define SET_GBA_PAL(r, g, b) (((b) << 10) | ((g) << 5) | (r))
#define UPCONVERT_BIT_DEPTH(x) (((x) * 255) / 31)
#define DOWNCONVERT_BIT_DEPTH(x) ((x) / 8)
static void ConvertFromTiles1Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors)
{
int tilesX = 0;
int tilesY = 0;
int pitch = tilesWidth;
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
int destY = tilesY * 8 + j;
int destX = tilesX;
unsigned char srcPixelOctet = *src++;
unsigned char *destPixelOctet = &dest[destY * pitch + destX];
for (int k = 0; k < 8; k++) {
*destPixelOctet <<= 1;
*destPixelOctet |= (srcPixelOctet & 1) ^ invertColors;
srcPixelOctet >>= 1;
}
}
tilesX++;
if (tilesX == tilesWidth) {
tilesX = 0;
tilesY++;
}
}
}
static void ConvertFromTiles4Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors)
{
int tilesX = 0;
int tilesY = 0;
int pitch = tilesWidth * 4;
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
int destY = tilesY * 8 + j;
for (int k = 0; k < 4; k++) {
int destX = tilesX * 4 + k;
unsigned char srcPixelPair = *src++;
unsigned char leftPixel = srcPixelPair & 0xF;
unsigned char rightPixel = srcPixelPair >> 4;
if (invertColors) {
leftPixel = 15 - leftPixel;
rightPixel = 15 - rightPixel;
}
dest[destY * pitch + destX] = (leftPixel << 4) | rightPixel;
}
}
tilesX++;
if (tilesX == tilesWidth) {
tilesX = 0;
tilesY++;
}
}
}
static void ConvertFromTiles8Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors)
{
int tilesX = 0;
int tilesY = 0;
int pitch = tilesWidth * 8;
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
int destY = tilesY * 8 + j;
for (int k = 0; k < 8; k++) {
int destX = tilesX * 8 + k;
unsigned char srcPixel = *src++;
if (invertColors)
srcPixel = 255 - srcPixel;
dest[destY * pitch + destX] = srcPixel;
}
}
tilesX++;
if (tilesX == tilesWidth) {
tilesX = 0;
tilesY++;
}
}
}
static void ConvertToTiles1Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors)
{
int tilesX = 0;
int tilesY = 0;
int pitch = tilesWidth;
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
int srcY = tilesY * 8 + j;
int srcX = tilesX;
unsigned char srcPixelOctet = src[srcY * pitch + srcX];
unsigned char *destPixelOctet = dest++;
for (int k = 0; k < 8; k++) {
*destPixelOctet <<= 1;
*destPixelOctet |= (srcPixelOctet & 1) ^ invertColors;
srcPixelOctet >>= 1;
}
}
tilesX++;
if (tilesX == tilesWidth) {
tilesX = 0;
tilesY++;
}
}
}
static void ConvertToTiles4Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors)
{
int tilesX = 0;
int tilesY = 0;
int pitch = tilesWidth * 4;
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
int srcY = tilesY * 8 + j;
for (int k = 0; k < 4; k++) {
int srcX = tilesX * 4 + k;
unsigned char srcPixelPair = src[srcY * pitch + srcX];
unsigned char leftPixel = srcPixelPair >> 4;
unsigned char rightPixel = srcPixelPair & 0xF;
if (invertColors) {
leftPixel = 15 - leftPixel;
rightPixel = 15 - rightPixel;
}
*dest++ = (rightPixel << 4) | leftPixel;
}
}
tilesX++;
if (tilesX == tilesWidth) {
tilesX = 0;
tilesY++;
}
}
}
static void ConvertToTiles8Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors)
{
int tilesX = 0;
int tilesY = 0;
int pitch = tilesWidth * 8;
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
int srcY = tilesY * 8 + j;
for (int k = 0; k < 8; k++) {
int srcX = tilesX * 8 + k;
unsigned char srcPixel = src[srcY * pitch + srcX];
if (invertColors)
srcPixel = 255 - srcPixel;
*dest++ = srcPixel;
}
}
tilesX++;
if (tilesX == tilesWidth) {
tilesX = 0;
tilesY++;
}
}
}
void ReadImage(char *path, int tilesWidth, int bitDepth, struct Image *image, bool invertColors)
{
int tileSize = bitDepth * 8;
int fileSize;
unsigned char *buffer = ReadWholeFile(path, &fileSize);
int numTiles = fileSize / tileSize;
int tilesHeight = (numTiles + tilesWidth - 1) / tilesWidth;
image->width = tilesWidth * 8;
image->height = tilesHeight * 8;
image->bitDepth = bitDepth;
image->pixels = calloc(tilesWidth * tilesHeight, tileSize);
if (image->pixels == NULL)
FATAL_ERROR("Failed to allocate memory for pixels.\n");
switch (bitDepth) {
case 1:
ConvertFromTiles1Bpp(buffer, image->pixels, numTiles, tilesWidth, invertColors);
break;
case 4:
ConvertFromTiles4Bpp(buffer, image->pixels, numTiles, tilesWidth, invertColors);
break;
case 8:
ConvertFromTiles8Bpp(buffer, image->pixels, numTiles, tilesWidth, invertColors);
break;
}
free(buffer);
}
void WriteImage(char *path, int numTiles, int bitDepth, struct Image *image, bool invertColors)
{
int tileSize = bitDepth * 8;
if (image->width % 8 != 0)
FATAL_ERROR("The width in pixels (%d) isn't a multiple of 8.\n", image->width);
if (image->height % 8 != 0)
FATAL_ERROR("The height in pixels (%d) isn't a multiple of 8.\n", image->height);
int tilesWidth = image->width / 8;
int tilesHeight = image->height / 8;
int maxNumTiles = tilesWidth * tilesHeight;
if (numTiles == 0)
numTiles = maxNumTiles;
else if (numTiles > maxNumTiles)
FATAL_ERROR("The specified number of tiles (%d) is greater than the maximum possible value (%d).\n", numTiles, maxNumTiles);
int bufferSize = numTiles * tileSize;
unsigned char *buffer = malloc(bufferSize);
if (buffer == NULL)
FATAL_ERROR("Failed to allocate memory for pixels.\n");
switch (bitDepth) {
case 1:
ConvertToTiles1Bpp(image->pixels, buffer, numTiles, tilesWidth, invertColors);
break;
case 4:
ConvertToTiles4Bpp(image->pixels, buffer, numTiles, tilesWidth, invertColors);
break;
case 8:
ConvertToTiles8Bpp(image->pixels, buffer, numTiles, tilesWidth, invertColors);
break;
}
WriteWholeFile(path, buffer, bufferSize);
free(buffer);
}
void FreeImage(struct Image *image)
{
free(image->pixels);
image->pixels = NULL;
}
void ReadGbaPalette(char *path, struct Palette *palette)
{
int fileSize;
unsigned char *data = ReadWholeFile(path, &fileSize);
if (fileSize % 2 != 0)
FATAL_ERROR("The file size (%d) is not a multiple of 2.\n", fileSize);
palette->numColors = fileSize / 2;
for (int i = 0; i < palette->numColors; i++) {
uint16_t paletteEntry = (data[i * 2 + 1] << 8) | data[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");
if (fp == NULL)
FATAL_ERROR("Failed to open \"%s\" for writing.\n", path);
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);
fputc(paletteEntry & 0xFF, fp);
fputc(paletteEntry >> 8, fp);
}
fclose(fp);
}

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tools/gbagfx/gfx.h
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// Copyright (c) 2015 YamaArashi
#ifndef GFX_H
#define GFX_H
#include <stdint.h>
#include <stdbool.h>
struct Color {
unsigned char red;
unsigned char green;
unsigned char blue;
};
struct Palette {
struct Color colors[256];
int numColors;
};
struct Image {
int width;
int height;
int bitDepth;
unsigned char *pixels;
bool hasPalette;
struct Palette palette;
bool hasTransparency;
};
void ReadImage(char *path, int tilesWidth, int bitDepth, struct Image *image, bool invertColors);
void WriteImage(char *path, int numTiles, int bitDepth, struct Image *image, bool invertColors);
void FreeImage(struct Image *image);
void ReadGbaPalette(char *path, struct Palette *palette);
void WriteGbaPalette(char *path, struct Palette *palette);
#endif // GFX_H

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tools/gbagfx/global.h
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// Copyright (c) 2015 YamaArashi
#ifndef GLOBAL_H
#define GLOBAL_H
#include <stdio.h>
#include <stdlib.h>
#ifdef _MSC_VER
#define FATAL_ERROR(format, ...) \
do { \
fprintf(stderr, format, __VA_ARGS__); \
exit(1); \
} while (0)
#define UNUSED
#else
#define FATAL_ERROR(format, ...) \
do { \
fprintf(stderr, format, ##__VA_ARGS__); \
exit(1); \
} while (0)
#define UNUSED __attribute__((__unused__))
#endif // _MSC_VER
#endif // GLOBAL_H

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tools/gbagfx/jasc_pal.c
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// Copyright (c) 2015 YamaArashi
#include <stdio.h>
#include <string.h>
#include "global.h"
#include "gfx.h"
#include "util.h"
// Read/write Paint Shop Pro palette files.
// Format of a Paint Shop Pro palette file, line by line:
// "JASC-PAL\r\n" (signature)
// "0100\r\n" (version; seems to always be "0100")
// "<NUMBER_OF_COLORS>\r\n" (number of colors in decimal)
//
// 16 or 256 times (depending on above line):
// "<RED> <GREEN> <BLUE>\r\n" (color entry)
//
// Each color component is a decimal number from 0 to 255.
// Examples:
// Black - "0 0 0\r\n"
// Blue - "0 0 255\r\n"
// Brown - "150 75 0\r\n"
#define MAX_LINE_LENGTH 11
void ReadJascPaletteLine(FILE *fp, char *line)
{
int c;
int length = 0;
for (;;) {
c = fgetc(fp);
if (c == '\r') {
c = fgetc(fp);
if (c != '\n')
FATAL_ERROR("CR line endings aren't supported.\n");
line[length] = 0;
return;
}
if (c == '\n')
FATAL_ERROR("LF line endings aren't supported.\n");
if (c == EOF)
FATAL_ERROR("Unexpected EOF. No CRLF at end of file.\n");
if (c == 0)
FATAL_ERROR("NUL character in file.\n");
if (length == MAX_LINE_LENGTH) {
line[length] = 0;
FATAL_ERROR("The line \"%s\" is too long.\n", line);
}
line[length++] = c;
}
}
void ReadJascPalette(char *path, struct Palette *palette)
{
char line[MAX_LINE_LENGTH + 1];
FILE *fp = fopen(path, "rb");
ReadJascPaletteLine(fp, line);
if (strcmp(line, "JASC-PAL") != 0)
FATAL_ERROR("Invalid JASC-PAL signature.\n");
ReadJascPaletteLine(fp, line);
if (strcmp(line, "0100") != 0)
FATAL_ERROR("Unsuported JASC-PAL version.\n");
ReadJascPaletteLine(fp, line);
if (!ParseNumber(line, NULL, 10, &palette->numColors))
FATAL_ERROR("Failed to parse number of colors.\n");
if (palette->numColors != 16 && palette->numColors != 256)
FATAL_ERROR("%d is an invalid number of colors. The number of colors must be 16 or 256.\n", palette->numColors);
for (int i = 0; i < palette->numColors; i++) {
ReadJascPaletteLine(fp, line);
char *s = line;
char *end;
int red;
int green;
int blue;
if (!ParseNumber(s, &end, 10, &red))
FATAL_ERROR("Failed to parse red color component.\n");
s = end;
if (*s != ' ')
FATAL_ERROR("Expected a space after red color component.\n");
s++;
if (*s < '0' || *s > '9')
FATAL_ERROR("Expected only a space between red and green color components.\n");
if (!ParseNumber(s, &end, 10, &green))
FATAL_ERROR("Failed to parse green color component.\n");
s = end;
if (*s != ' ')
FATAL_ERROR("Expected a space after green color component.\n");
s++;
if (*s < '0' || *s > '9')
FATAL_ERROR("Expected only a space between green and blue color components.\n");
if (!ParseNumber(s, &end, 10, &blue))
FATAL_ERROR("Failed to parse blue color component.\n");
if (*end != 0)
FATAL_ERROR("Garbage after blue color component.\n");
if (red < 0 || red > 255)
FATAL_ERROR("Red color component (%d) is outside the range [0, 255].\n", red);
if (green < 0 || green > 255)
FATAL_ERROR("Green color component (%d) is outside the range [0, 255].\n", green);
if (blue < 0 || blue > 255)
FATAL_ERROR("Blue color component (%d) is outside the range [0, 255].\n", blue);
palette->colors[i].red = red;
palette->colors[i].green = green;
palette->colors[i].blue = blue;
}
if (fgetc(fp) != EOF)
FATAL_ERROR("Garbage after color data.\n");
fclose(fp);
}
void WriteJascPalette(char *path, struct Palette *palette)
{
FILE *fp = fopen(path, "wb");
fputs("JASC-PAL\r\n", fp);
fputs("0100\r\n", fp);
fprintf(fp, "%d\r\n", palette->numColors);
for (int i = 0; i < palette->numColors; i++) {
struct Color *color = &palette->colors[i];
fprintf(fp, "%d %d %d\r\n", color->red, color->green, color->blue);
}
fclose(fp);
}

9
tools/gbagfx/jasc_pal.h
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// Copyright (c) 2015 YamaArashi
#ifndef JASC_PAL_H
#define JASC_PAL_H
void ReadJascPalette(char *path, struct Palette *palette);
void WriteJascPalette(char *path, struct Palette *palette);
#endif // JASC_PAL_H

143
tools/gbagfx/lz.c
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// Copyright (c) 2015 YamaArashi
#include <stdlib.h>
#include <stdbool.h>
#include "global.h"
#include "lz.h"
unsigned char *LZDecompress(unsigned char *src, int srcSize, int *uncompressedSize)
{
if (srcSize < 4)
return NULL;
int destSize = (src[3] << 16) | (src[2] << 8) | src[1];
unsigned char *dest = malloc(destSize);
if (dest == NULL)
return NULL;
int srcPos = 4;
int destPos = 0;
for (;;) {
if (srcPos >= srcSize)
return NULL;
unsigned char flags = src[srcPos++];
for (int i = 0; i < 8; i++) {
if (flags & 0x80) {
if (srcPos + 1 >= srcSize)
return NULL;
int blockSize = (src[srcPos] >> 4) + 3;
int blockDistance = (((src[srcPos] & 0xF) << 8) | src[srcPos + 1]) + 1;
srcPos += 2;
int blockPos = destPos - blockDistance;
if (destPos + blockSize > destSize || blockPos < 0)
return NULL;
for (int j = 0; j < blockSize; j++)
dest[destPos++] = dest[blockPos + j];
} else {
if (srcPos >= srcSize || destPos >= destSize)
return NULL;
dest[destPos++] = src[srcPos++];
}
if (destPos == destSize) {
*uncompressedSize = destSize;
return dest;
}
flags <<= 1;
}
}
}
unsigned char *LZCompress(unsigned char *src, int srcSize, int *compressedSize)
{
const int minDistance = 2; // for compatibility with LZ77UnCompVram()
if (srcSize <= 0)
return NULL;
int worstCaseDestSize = 4 + srcSize + ((srcSize + 7) / 8);
// Round up to the next multiple of four.
worstCaseDestSize = (worstCaseDestSize + 3) & ~3;
unsigned char *dest = malloc(worstCaseDestSize);
if (dest == NULL)
return NULL;
// header
dest[0] = 0x10; // LZ compression type
dest[1] = (unsigned char)srcSize;
dest[2] = (unsigned char)(srcSize >> 8);
dest[3] = (unsigned char)(srcSize >> 16);
int srcPos = 0;
int destPos = 4;
for (;;) {
unsigned char *flags = &dest[destPos++];
*flags = 0;
for (int i = 0; i < 8; i++) {
int bestBlockDistance = 0;
int bestBlockSize = 0;
int blockDistance = minDistance;
while (blockDistance <= srcPos && blockDistance <= 0x1000) {
int blockStart = srcPos - blockDistance;
int blockSize = 0;
while (blockSize < 18
&& srcPos + blockSize < srcSize
&& src[blockStart + blockSize] == src[srcPos + blockSize])
blockSize++;
if (blockSize > bestBlockSize) {
bestBlockDistance = blockDistance;
bestBlockSize = blockSize;
if (blockSize == 18)
break;
}
blockDistance++;
}
if (bestBlockSize >= 3) {
*flags |= (0x80 >> i);
srcPos += bestBlockSize;
bestBlockSize -= 3;
bestBlockDistance--;
dest[destPos++] = (bestBlockSize << 4) | ((unsigned int)bestBlockDistance >> 8);
dest[destPos++] = (unsigned char)bestBlockDistance;
} else {
dest[destPos++] = src[srcPos++];
}
if (srcPos == srcSize) {
// Pad to multiple of 4 bytes.
int remainder = destPos % 4;
if (remainder != 0) {
for (int i = 0; i < 4 - remainder; i++)
dest[destPos++] = 0;
}
*compressedSize = destPos;
return dest;
}
}
}
}

9
tools/gbagfx/lz.h
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// Copyright (c) 2015 YamaArashi
#ifndef LZ_H
#define LZ_H
unsigned char *LZDecompress(unsigned char *src, int srcSize, int *uncompressedSize);
unsigned char *LZCompress(unsigned char *src, int srcSize, int *compressedSize);
#endif // LZ_H

302
tools/gbagfx/main.c
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// Copyright (c) 2015 YamaArashi
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include "global.h"
#include "util.h"
#include "gfx.h"
#include "convert_png.h"
#include "jasc_pal.h"
#include "lz.h"
#include "font.h"
struct CommandHandler
{
const char *inputFileExtension;
const char *outputFileExtension;
void(*function)(char *inputPath, char *outputPath, int argc, char **argv);
};
void ConvertGbaToPng(char *inputPath, char *outputPath, int width, int bitDepth, char *paletteFilePath, bool hasTransparency)
{
struct Image image;
if (paletteFilePath != NULL) {
ReadGbaPalette(paletteFilePath, &image.palette);
image.hasPalette = true;
} else {
image.hasPalette = false;
}
ReadImage(inputPath, width, bitDepth, &image, !image.hasPalette);
image.hasTransparency = hasTransparency;
WritePng(outputPath, &image);
FreeImage(&image);
}
void ConvertPngToGba(char *inputPath, char *outputPath, int numTiles, int bitDepth)
{
struct Image image;
image.bitDepth = bitDepth;
ReadPng(inputPath, &image);
WriteImage(outputPath, numTiles, bitDepth, &image, !image.hasPalette);
FreeImage(&image);
}
void HandleGbaToPngCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
char *inputFileExtension = GetFileExtension(inputPath);
int bitDepth = inputFileExtension[0] - '0';
char *paletteFilePath;
bool hasPalette = false;
bool hasTransparency = false;
int width = 1;
for (int i = 3; i < argc; i++) {
char *option = argv[i];
if (strcmp(option, "-palette") == 0) {
if (i + 1 >= argc)
FATAL_ERROR("No palette file path following \"-palette\".\n");
i++;
paletteFilePath = argv[i];
hasPalette = true;
} else if (strcmp(option, "-object") == 0) {
hasTransparency = true;
} else if (strcmp(option, "-width") == 0) {
if (i + 1 >= argc)
FATAL_ERROR("No width following \"-width\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &width))
FATAL_ERROR("Failed to parse width.\n");
if (width < 1)
FATAL_ERROR("Width must be positive.\n");
} else {
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
ConvertGbaToPng(inputPath, outputPath, width, bitDepth, hasPalette ? paletteFilePath : NULL, hasTransparency);
}
void HandlePngToGbaCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
char *outputFileExtension = GetFileExtension(outputPath);
int bitDepth = outputFileExtension[0] - '0';
int numTiles = 0;
for (int i = 3; i < argc; i++) {
char *option = argv[i];
if (strcmp(option, "-num_tiles") == 0) {
if (i + 1 >= argc)
FATAL_ERROR("No number of tiles following \"-num_tiles\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &numTiles))
FATAL_ERROR("Failed to parse number of tiles.\n");
if (numTiles < 1)
FATAL_ERROR("Number of tiles must be positive.\n");
} else {
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
ConvertPngToGba(inputPath, outputPath, numTiles, bitDepth);
}
void HandleGbaToJascPaletteCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Palette palette;
ReadGbaPalette(inputPath, &palette);
WriteJascPalette(outputPath, &palette);
}
void HandleJascToGbaPaletteCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
int numColors = 0;
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 {
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
struct Palette palette;
ReadJascPalette(inputPath, &palette);
if (numColors != 0)
palette.numColors = numColors;
WriteGbaPalette(outputPath, &palette);
}
void HandleLatinFontToPngCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Image image;
ReadLatinFont(inputPath, &image);
WritePng(outputPath, &image);
FreeImage(&image);
}
void HandlePngToLatinFontCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Image image;
image.bitDepth = 2;
ReadPng(inputPath, &image);
WriteLatinFont(outputPath, &image);
FreeImage(&image);
}
void HandleHalfwidthJapaneseFontToPngCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Image image;
ReadHalfwidthJapaneseFont(inputPath, &image);
WritePng(outputPath, &image);
FreeImage(&image);
}
void HandlePngToHalfwidthJapaneseFontCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Image image;
image.bitDepth = 2;
ReadPng(inputPath, &image);
WriteHalfwidthJapaneseFont(outputPath, &image);
FreeImage(&image);
}
void HandleFullwidthJapaneseFontToPngCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Image image;
ReadFullwidthJapaneseFont(inputPath, &image);
WritePng(outputPath, &image);
FreeImage(&image);
}
void HandlePngToFullwidthJapaneseFontCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
struct Image image;
image.bitDepth = 2;
ReadPng(inputPath, &image);
WriteFullwidthJapaneseFont(outputPath, &image);
FreeImage(&image);
}
void HandleLZCompressCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
int fileSize;
unsigned char *buffer = ReadWholeFile(inputPath, &fileSize);
int compressedSize;
unsigned char *compressedData = LZCompress(buffer, fileSize, &compressedSize);
free(buffer);
WriteWholeFile(outputPath, compressedData, compressedSize);
free(compressedData);
}
void HandleLZDecompressCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
{
int fileSize;
unsigned char *buffer = ReadWholeFile(inputPath, &fileSize);
int uncompressedSize;
unsigned char *uncompressedData = LZDecompress(buffer, fileSize, &uncompressedSize);
free(buffer);
WriteWholeFile(outputPath, uncompressedData, uncompressedSize);
free(uncompressedData);
}
int main(int argc, char **argv)
{
if (argc < 3)
FATAL_ERROR("Usage: gbagfx INPUT_PATH OUTPUT_PATH [options...]\n");
struct CommandHandler handlers[] =
{
{ "1bpp", "png", HandleGbaToPngCommand },
{ "4bpp", "png", HandleGbaToPngCommand },
{ "8bpp", "png", HandleGbaToPngCommand },
{ "png", "1bpp", HandlePngToGbaCommand },
{ "png", "4bpp", HandlePngToGbaCommand },
{ "png", "8bpp", HandlePngToGbaCommand },
{ "gbapal", "pal", HandleGbaToJascPaletteCommand },
{ "pal", "gbapal", HandleJascToGbaPaletteCommand },
{ "latfont", "png", HandleLatinFontToPngCommand },
{ "png", "latfont", HandlePngToLatinFontCommand },
{ "hwjpnfont", "png", HandleHalfwidthJapaneseFontToPngCommand },
{ "png", "hwjpnfont", HandlePngToHalfwidthJapaneseFontCommand },
{ "fwjpnfont", "png", HandleFullwidthJapaneseFontToPngCommand },
{ "png", "fwjpnfont", HandlePngToFullwidthJapaneseFontCommand },
{ NULL, "lz", HandleLZCompressCommand },
{ "lz", NULL, HandleLZDecompressCommand },
{ NULL, NULL, NULL }
};
char *inputPath = argv[1];
char *outputPath = argv[2];
for (int i = 0; handlers[i].function != NULL; i++) {
char *inputFileExtension = GetFileExtension(inputPath);
char *outputFileExtension = GetFileExtension(outputPath);
if ((handlers[i].inputFileExtension == NULL || strcmp(handlers[i].inputFileExtension, inputFileExtension) == 0)
&& (handlers[i].outputFileExtension == NULL || strcmp(handlers[i].outputFileExtension, outputFileExtension) == 0)) {
handlers[i].function(inputPath, outputPath, argc, argv);
return 0;
}
}
FATAL_ERROR("Don't know how to convert \"%s\" to \"%s\".\n", inputPath, outputPath);
}

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tools/gbagfx/util.c
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// Copyright (c) 2015 YamaArashi
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <errno.h>
#include <limits.h>
#include "global.h"
#include "util.h"
bool ParseNumber(char *s, char **end, int radix, int *intValue)
{
char *localEnd;
if (end == NULL)
end = &localEnd;
errno = 0;
const long longValue = strtol(s, end, radix);
if (*end == s)
return false; // not a number
if ((longValue == LONG_MIN || longValue == LONG_MAX) && errno == ERANGE)
return false;
if (longValue > INT_MAX)
return false;
if (longValue < INT_MIN)
return false;
*intValue = (int)longValue;
return true;
}
char *GetFileExtension(char *path)
{
char *extension = path;
while (*extension != 0)
extension++;
while (extension > path && *extension != '.')
extension--;
if (extension == path)
return NULL;
extension++;
if (*extension == 0)
return NULL;
return extension;
}
unsigned char *ReadWholeFile(char *path, int *size)
{
FILE *fp = fopen(path, "rb");
if (fp == NULL)
FATAL_ERROR("Failed to open \"%s\" for reading.\n", path);
fseek(fp, 0, SEEK_END);
*size = ftell(fp);
unsigned char *buffer = malloc(*size);
if (buffer == NULL)
FATAL_ERROR("Failed to allocate memory for reading \"%s\".\n", path);
rewind(fp);
if (fread(buffer, *size, 1, fp) != 1)
FATAL_ERROR("Failed to read \"%s\".\n", path);
fclose(fp);
return buffer;
}
void WriteWholeFile(char *path, void *buffer, int bufferSize)
{
FILE *fp = fopen(path, "wb");
if (fp == NULL)
FATAL_ERROR("Failed to open \"%s\" for writing.\n", path);
if (fwrite(buffer, bufferSize, 1, fp) != 1)
FATAL_ERROR("Failed to write to \"%s\".\n", path);
fclose(fp);
}

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tools/gbagfx/util.h
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// Copyright (c) 2015 YamaArashi
#ifndef UTIL_H
#define UTIL_H
#include <stdbool.h>
bool ParseNumber(char *s, char **end, int radix, int *intValue);
char *GetFileExtension(char *path);
unsigned char *ReadWholeFile(char *path, int *size);
void WriteWholeFile(char *path, void *buffer, int bufferSize);
#endif // UTIL_H

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tools/scaninc/.gitignore vendored
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scaninc

19
tools/scaninc/LICENSE
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@ -1,19 +0,0 @@
Copyright (c) 2015 YamaArashi
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

13
tools/scaninc/Makefile
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CXX = g++
CXXFLAGS = -Wall -std=c++11 -O2
SRCS = scaninc.cpp
.PHONY: clean
scaninc: $(SRCS)
$(CXX) $(CXXFLAGS) $(SRCS) -o $@
clean:
$(RM) scaninc scaninc.exe

320
tools/scaninc/scaninc.cpp
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// Copyright (c) 2015 YamaArashi
#include <cstdio>
#include <cstdlib>
#include <stack>
#include <set>
#include <string>
#ifdef _MSC_VER
#define FATAL_INPUT_ERROR(format, ...) \
do { \
fprintf(stderr, "%s:%d " format, m_path.c_str(), m_lineNum, __VA_ARGS__); \
exit(1); \
} while (0)
#define FATAL_ERROR(format, ...) \
do { \
fprintf(stderr, format, __VA_ARGS__); \
exit(1); \
} while (0)
#else
#define FATAL_INPUT_ERROR(format, ...) \
do { \
fprintf(stderr, "%s:%d " format, m_path.c_str(), m_lineNum, ##__VA_ARGS__); \
exit(1); \
} while (0)
#define FATAL_ERROR(format, ...) \
do { \
fprintf(stderr, format, ##__VA_ARGS__); \
exit(1); \
} while (0)
#endif // _MSC_VER
#define SCANINC_MAX_PATH 255
enum class IncDirectiveType {
None,
Include,
Incbin
};
class AsmFile
{
public:
AsmFile(std::string path);
~AsmFile();
IncDirectiveType ReadUntilIncDirective(std::string &path);
private:
char *m_buffer;
int m_pos;
int m_size;
int m_lineNum;
std::string m_path;
int GetChar()
{
if (m_pos >= m_size)
return -1;
int c = m_buffer[m_pos++];
if (c == '\r') {
if (m_pos < m_size && m_buffer[m_pos++] == '\n') {
m_lineNum++;
return '\n';
} else {
FATAL_INPUT_ERROR("CR line endings are not supported\n");
}
}
if (c == '\n')
m_lineNum++;
return c;
}
// No newline translation because it's not needed for any use of this function.
int PeekChar()
{
if (m_pos >= m_size)
return -1;
return m_buffer[m_pos];
}
void SkipTabsAndSpaces()
{
while (m_pos < m_size && (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' '))
m_pos++;
}
bool MatchIncDirective(std::string directiveName, std::string &path)
{
int length = directiveName.length();
int i;
for (i = 0; i < length && m_pos + i < m_size; i++)
if (directiveName[i] != m_buffer[m_pos + i])
return false;
if (i < length)
return false;
m_pos += length;
SkipTabsAndSpaces();
if (GetChar() != '"')
FATAL_INPUT_ERROR("no path after \".%s\" directive\n", directiveName.c_str());
path = ReadPath();
return true;
}
std::string ReadPath();
void SkipEndOfLineComment();
void SkipMultiLineComment();
void SkipString();
};
AsmFile::AsmFile(std::string path)
{
m_path = path;
FILE *fp = fopen(path.c_str(), "rb");
if (fp == NULL)
FATAL_ERROR("Failed to open \"%s\" for reading.\n", path.c_str());
fseek(fp, 0, SEEK_END);
m_size = ftell(fp);
m_buffer = new char[m_size];
rewind(fp);
if (fread(m_buffer, m_size, 1, fp) != 1)
FATAL_ERROR("Failed to read \"%s\".\n", path.c_str());
fclose(fp);
m_pos = 0;
m_lineNum = 1;
}
AsmFile::~AsmFile()
{
delete[] m_buffer;
}
IncDirectiveType AsmFile::ReadUntilIncDirective(std::string &path)
{
// At the beginning of each loop iteration, the current file position
// should be at the start of a line or at the end of the file.
for (;;) {
SkipTabsAndSpaces();
IncDirectiveType incDirectiveType = IncDirectiveType::None;
if (PeekChar() == '.') {
m_pos++;
if (MatchIncDirective("incbin", path))
incDirectiveType = IncDirectiveType::Incbin;
else if (MatchIncDirective("include", path))
incDirectiveType = IncDirectiveType::Include;
}
for (;;) {
int c = GetChar();
if (c == -1)
return incDirectiveType;
if (c == ';') {
SkipEndOfLineComment();
break;
} else if (c == '/' && PeekChar() == '*') {
m_pos++;
SkipMultiLineComment();
} else if (c == '"') {
SkipString();
} else if (c == '\n') {
break;
}
}
if (incDirectiveType != IncDirectiveType::None)
return incDirectiveType;
}
}
std::string AsmFile::ReadPath()
{
int length = 0;
int startPos = m_pos;
for (;;) {
int c = GetChar();
if (c == '"')
break;
if (c == -1)
FATAL_INPUT_ERROR("unexpected EOF in include string\n");
if (c == 0)
FATAL_INPUT_ERROR("unexpected NUL character in include string\n");
if (c == '\n')
FATAL_INPUT_ERROR("unexpected end of line character in include string\n");
if (c == '\\') {
c = GetChar();
if (c != '"')
FATAL_INPUT_ERROR("unknown escape \"\\%c\" in include string\n", c);
}
length++;
if (length > SCANINC_MAX_PATH)
FATAL_INPUT_ERROR("path is too long");
}
return std::string(m_buffer, startPos, length);
}
void AsmFile::SkipEndOfLineComment()
{
int c;
do {
c = GetChar();
} while (c != -1 && c != '\n');
}
void AsmFile::SkipMultiLineComment()
{
for (;;) {
int c = GetChar();
if (c == '*') {
if (PeekChar() == '/') {
m_pos++;
return;
}
} else if (c == -1) {
return;
}
}
}
void AsmFile::SkipString()
{
for (;;) {
int c = GetChar();
if (c == '"')
break;
if (c == -1)
FATAL_INPUT_ERROR("unexpected EOF in string\n");
if (c == '\\') {
c = GetChar();
}
}
}
bool CanOpenFile(std::string path)
{
FILE *fp = fopen(path.c_str(), "rb");
if (fp == NULL)
return false;
fclose(fp);
return true;
}
int main(int argc, char **argv)
{
if (argc < 2)
FATAL_ERROR("Usage: scaninc ASM_FILE_PATH\n");
std::stack<std::string> filesToProcess;
std::set<std::string> dependencies;
filesToProcess.push(std::string(argv[1]));
while (!filesToProcess.empty()) {
AsmFile file(filesToProcess.top());
filesToProcess.pop();
IncDirectiveType incDirectiveType;
std::string path;
while ((incDirectiveType = file.ReadUntilIncDirective(path)) != IncDirectiveType::None) {
bool inserted = dependencies.insert(path).second;
if (inserted
&& incDirectiveType == IncDirectiveType::Include
&& CanOpenFile(path))
filesToProcess.push(path);
}
}
for (const std::string &path : dependencies) {
printf("%s\n", path.c_str());
}
}