summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--tools/gbagfx/gfx.c175
-rw-r--r--tools/gbagfx/gfx.h4
-rw-r--r--tools/gbagfx/main.c105
-rwxr-xr-xtools/gbagfx/options.h24
4 files changed, 205 insertions, 103 deletions
diff --git a/tools/gbagfx/gfx.c b/tools/gbagfx/gfx.c
index c0f7f492c..f927deed9 100644
--- a/tools/gbagfx/gfx.c
+++ b/tools/gbagfx/gfx.c
@@ -18,16 +18,35 @@
#define DOWNCONVERT_BIT_DEPTH(x) ((x) / 8)
-static void ConvertFromTiles1Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors)
+static void AdvanceMetatilePosition(int *subTileX, int *subTileY, int *metatileX, int *metatileY, int metatilesWide, int metatileWidth, int metatileHeight)
{
- int tilesX = 0;
- int tilesY = 0;
- int pitch = tilesWidth;
+ (*subTileX)++;
+ if (*subTileX == metatileWidth) {
+ *subTileX = 0;
+ (*subTileY)++;
+ if (*subTileY == metatileHeight) {
+ *subTileY = 0;
+ (*metatileX)++;
+ if (*metatileX == metatilesWide) {
+ *metatileX = 0;
+ (*metatileY)++;
+ }
+ }
+ }
+}
+
+static void ConvertFromTiles1Bpp(unsigned char *src, unsigned char *dest, int numTiles, int metatilesWide, int metatileWidth, int metatileHeight, bool invertColors)
+{
+ int subTileX = 0;
+ int subTileY = 0;
+ int metatileX = 0;
+ int metatileY = 0;
+ int pitch = metatilesWide * metatileWidth;
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
- int destY = tilesY * 8 + j;
- int destX = tilesX;
+ int destY = (metatileY * metatileHeight + subTileY) * 8 + j;
+ int destX = metatileX * metatileWidth + subTileX;
unsigned char srcPixelOctet = *src++;
unsigned char *destPixelOctet = &dest[destY * pitch + destX];
@@ -38,27 +57,24 @@ static void ConvertFromTiles1Bpp(unsigned char *src, unsigned char *dest, int nu
}
}
- tilesX++;
-
- if (tilesX == tilesWidth) {
- tilesX = 0;
- tilesY++;
- }
+ AdvanceMetatilePosition(&subTileX, &subTileY, &metatileX, &metatileY, metatilesWide, metatileWidth, metatileHeight);
}
}
-static void ConvertFromTiles4Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors)
+static void ConvertFromTiles4Bpp(unsigned char *src, unsigned char *dest, int numTiles, int metatilesWide, int metatileWidth, int metatileHeight, bool invertColors)
{
- int tilesX = 0;
- int tilesY = 0;
- int pitch = tilesWidth * 4;
+ int subTileX = 0;
+ int subTileY = 0;
+ int metatileX = 0;
+ int metatileY = 0;
+ int pitch = (metatilesWide * metatileWidth) * 4;
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
- int destY = tilesY * 8 + j;
+ int destY = (metatileY * metatileHeight + subTileY) * 8 + j;
for (int k = 0; k < 4; k++) {
- int destX = tilesX * 4 + k;
+ int destX = (metatileX * metatileWidth + subTileX) * 4 + k;
unsigned char srcPixelPair = *src++;
unsigned char leftPixel = srcPixelPair & 0xF;
unsigned char rightPixel = srcPixelPair >> 4;
@@ -72,27 +88,24 @@ static void ConvertFromTiles4Bpp(unsigned char *src, unsigned char *dest, int nu
}
}
- tilesX++;
-
- if (tilesX == tilesWidth) {
- tilesX = 0;
- tilesY++;
- }
+ AdvanceMetatilePosition(&subTileX, &subTileY, &metatileX, &metatileY, metatilesWide, metatileWidth, metatileHeight);
}
}
-static void ConvertFromTiles8Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors)
+static void ConvertFromTiles8Bpp(unsigned char *src, unsigned char *dest, int numTiles, int metatilesWide, int metatileWidth, int metatileHeight, bool invertColors)
{
- int tilesX = 0;
- int tilesY = 0;
- int pitch = tilesWidth * 8;
+ int subTileX = 0;
+ int subTileY = 0;
+ int metatileX = 0;
+ int metatileY = 0;
+ int pitch = (metatilesWide * metatileWidth) * 8;
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
- int destY = tilesY * 8 + j;
+ int destY = (metatileY * metatileHeight + subTileY) * 8 + j;
for (int k = 0; k < 8; k++) {
- int destX = tilesX * 8 + k;
+ int destX = (metatileX * metatileWidth + subTileX) * 8 + k;
unsigned char srcPixel = *src++;
if (invertColors)
@@ -102,25 +115,22 @@ static void ConvertFromTiles8Bpp(unsigned char *src, unsigned char *dest, int nu
}
}
- tilesX++;
-
- if (tilesX == tilesWidth) {
- tilesX = 0;
- tilesY++;
- }
+ AdvanceMetatilePosition(&subTileX, &subTileY, &metatileX, &metatileY, metatilesWide, metatileWidth, metatileHeight);
}
}
-static void ConvertToTiles1Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors)
+static void ConvertToTiles1Bpp(unsigned char *src, unsigned char *dest, int numTiles, int metatilesWide, int metatileWidth, int metatileHeight, bool invertColors)
{
- int tilesX = 0;
- int tilesY = 0;
- int pitch = tilesWidth;
+ int subTileX = 0;
+ int subTileY = 0;
+ int metatileX = 0;
+ int metatileY = 0;
+ int pitch = metatilesWide * metatileWidth;
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
- int srcY = tilesY * 8 + j;
- int srcX = tilesX;
+ int srcY = (metatileY * metatileHeight + subTileY) * 8 + j;
+ int srcX = metatileX * metatileWidth + subTileX;
unsigned char srcPixelOctet = src[srcY * pitch + srcX];
unsigned char *destPixelOctet = dest++;
@@ -131,27 +141,24 @@ static void ConvertToTiles1Bpp(unsigned char *src, unsigned char *dest, int numT
}
}
- tilesX++;
-
- if (tilesX == tilesWidth) {
- tilesX = 0;
- tilesY++;
- }
+ AdvanceMetatilePosition(&subTileX, &subTileY, &metatileX, &metatileY, metatilesWide, metatileWidth, metatileHeight);
}
}
-static void ConvertToTiles4Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors)
+static void ConvertToTiles4Bpp(unsigned char *src, unsigned char *dest, int numTiles, int metatilesWide, int metatileWidth, int metatileHeight, bool invertColors)
{
- int tilesX = 0;
- int tilesY = 0;
- int pitch = tilesWidth * 4;
+ int subTileX = 0;
+ int subTileY = 0;
+ int metatileX = 0;
+ int metatileY = 0;
+ int pitch = (metatilesWide * metatileWidth) * 4;
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
- int srcY = tilesY * 8 + j;
+ int srcY = (metatileY * metatileHeight + subTileY) * 8 + j;
for (int k = 0; k < 4; k++) {
- int srcX = tilesX * 4 + k;
+ int srcX = (metatileX * metatileWidth + subTileX) * 4 + k;
unsigned char srcPixelPair = src[srcY * pitch + srcX];
unsigned char leftPixel = srcPixelPair >> 4;
unsigned char rightPixel = srcPixelPair & 0xF;
@@ -165,27 +172,24 @@ static void ConvertToTiles4Bpp(unsigned char *src, unsigned char *dest, int numT
}
}
- tilesX++;
-
- if (tilesX == tilesWidth) {
- tilesX = 0;
- tilesY++;
- }
+ AdvanceMetatilePosition(&subTileX, &subTileY, &metatileX, &metatileY, metatilesWide, metatileWidth, metatileHeight);
}
}
-static void ConvertToTiles8Bpp(unsigned char *src, unsigned char *dest, int numTiles, int tilesWidth, bool invertColors)
+static void ConvertToTiles8Bpp(unsigned char *src, unsigned char *dest, int numTiles, int metatilesWide, int metatileWidth, int metatileHeight, bool invertColors)
{
- int tilesX = 0;
- int tilesY = 0;
- int pitch = tilesWidth * 8;
+ int subTileX = 0;
+ int subTileY = 0;
+ int metatileX = 0;
+ int metatileY = 0;
+ int pitch = (metatilesWide * metatileWidth) * 8;
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
- int srcY = tilesY * 8 + j;
+ int srcY = (metatileY * metatileHeight + subTileY) * 8 + j;
for (int k = 0; k < 8; k++) {
- int srcX = tilesX * 8 + k;
+ int srcX = (metatileX * metatileWidth + subTileX) * 8 + k;
unsigned char srcPixel = src[srcY * pitch + srcX];
if (invertColors)
@@ -195,16 +199,11 @@ static void ConvertToTiles8Bpp(unsigned char *src, unsigned char *dest, int numT
}
}
- tilesX++;
-
- if (tilesX == tilesWidth) {
- tilesX = 0;
- tilesY++;
- }
+ AdvanceMetatilePosition(&subTileX, &subTileY, &metatileX, &metatileY, metatilesWide, metatileWidth, metatileHeight);
}
}
-void ReadImage(char *path, int tilesWidth, int bitDepth, struct Image *image, bool invertColors)
+void ReadImage(char *path, int tilesWidth, int bitDepth, int metatileWidth, int metatileHeight, struct Image *image, bool invertColors)
{
int tileSize = bitDepth * 8;
@@ -215,6 +214,12 @@ void ReadImage(char *path, int tilesWidth, int bitDepth, struct Image *image, bo
int tilesHeight = (numTiles + tilesWidth - 1) / tilesWidth;
+ if (tilesWidth % metatileWidth != 0)
+ FATAL_ERROR("The width in tiles (%d) isn't a multiple of the specified metatile width (%d)", tilesWidth, metatileWidth);
+
+ if (tilesHeight % metatileHeight != 0)
+ FATAL_ERROR("The height in tiles (%d) isn't a multiple of the specified metatile height (%d)", tilesHeight, metatileHeight);
+
image->width = tilesWidth * 8;
image->height = tilesHeight * 8;
image->bitDepth = bitDepth;
@@ -223,22 +228,24 @@ void ReadImage(char *path, int tilesWidth, int bitDepth, struct Image *image, bo
if (image->pixels == NULL)
FATAL_ERROR("Failed to allocate memory for pixels.\n");
+ int metatilesWide = tilesWidth / metatileWidth;
+
switch (bitDepth) {
case 1:
- ConvertFromTiles1Bpp(buffer, image->pixels, numTiles, tilesWidth, invertColors);
+ ConvertFromTiles1Bpp(buffer, image->pixels, numTiles, metatilesWide, metatileWidth, metatileHeight, invertColors);
break;
case 4:
- ConvertFromTiles4Bpp(buffer, image->pixels, numTiles, tilesWidth, invertColors);
+ ConvertFromTiles4Bpp(buffer, image->pixels, numTiles, metatilesWide, metatileWidth, metatileHeight, invertColors);
break;
case 8:
- ConvertFromTiles8Bpp(buffer, image->pixels, numTiles, tilesWidth, invertColors);
+ ConvertFromTiles8Bpp(buffer, image->pixels, numTiles, metatilesWide, metatileWidth, metatileHeight, invertColors);
break;
}
free(buffer);
}
-void WriteImage(char *path, int numTiles, int bitDepth, struct Image *image, bool invertColors)
+void WriteImage(char *path, int numTiles, int bitDepth, int metatileWidth, int metatileHeight, struct Image *image, bool invertColors)
{
int tileSize = bitDepth * 8;
@@ -251,6 +258,12 @@ void WriteImage(char *path, int numTiles, int bitDepth, struct Image *image, boo
int tilesWidth = image->width / 8;
int tilesHeight = image->height / 8;
+ if (tilesWidth % metatileWidth != 0)
+ FATAL_ERROR("The width in tiles (%d) isn't a multiple of the specified metatile width (%d)", tilesWidth, metatileWidth);
+
+ if (tilesHeight % metatileHeight != 0)
+ FATAL_ERROR("The height in tiles (%d) isn't a multiple of the specified metatile height (%d)", tilesHeight, metatileHeight);
+
int maxNumTiles = tilesWidth * tilesHeight;
if (numTiles == 0)
@@ -264,15 +277,17 @@ void WriteImage(char *path, int numTiles, int bitDepth, struct Image *image, boo
if (buffer == NULL)
FATAL_ERROR("Failed to allocate memory for pixels.\n");
+ int metatilesWide = tilesWidth / metatileWidth;
+
switch (bitDepth) {
case 1:
- ConvertToTiles1Bpp(image->pixels, buffer, numTiles, tilesWidth, invertColors);
+ ConvertToTiles1Bpp(image->pixels, buffer, numTiles, metatilesWide, metatileWidth, metatileHeight, invertColors);
break;
case 4:
- ConvertToTiles4Bpp(image->pixels, buffer, numTiles, tilesWidth, invertColors);
+ ConvertToTiles4Bpp(image->pixels, buffer, numTiles, metatilesWide, metatileWidth, metatileHeight, invertColors);
break;
case 8:
- ConvertToTiles8Bpp(image->pixels, buffer, numTiles, tilesWidth, invertColors);
+ ConvertToTiles8Bpp(image->pixels, buffer, numTiles, metatilesWide, metatileWidth, metatileHeight, invertColors);
break;
}
diff --git a/tools/gbagfx/gfx.h b/tools/gbagfx/gfx.h
index ecd436652..5355ced85 100644
--- a/tools/gbagfx/gfx.h
+++ b/tools/gbagfx/gfx.h
@@ -27,8 +27,8 @@ struct Image {
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 ReadImage(char *path, int tilesWidth, int bitDepth, int metatileWidth, int metatileHeight, struct Image *image, bool invertColors);
+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 WriteGbaPalette(char *path, struct Palette *palette);
diff --git a/tools/gbagfx/main.c b/tools/gbagfx/main.c
index 97db60e84..86b0afa53 100644
--- a/tools/gbagfx/main.c
+++ b/tools/gbagfx/main.c
@@ -5,6 +5,7 @@
#include <stdbool.h>
#include "global.h"
#include "util.h"
+#include "options.h"
#include "gfx.h"
#include "convert_png.h"
#include "jasc_pal.h"
@@ -19,13 +20,13 @@ struct CommandHandler
void(*function)(char *inputPath, char *outputPath, int argc, char **argv);
};
-void ConvertGbaToPng(char *inputPath, char *outputPath, int width, int bitDepth, char *paletteFilePath, bool hasTransparency)
+void ConvertGbaToPng(char *inputPath, char *outputPath, struct GbaToPngOptions *options)
{
struct Image image;
- if (paletteFilePath != NULL)
+ if (options->paletteFilePath != NULL)
{
- ReadGbaPalette(paletteFilePath, &image.palette);
+ ReadGbaPalette(options->paletteFilePath, &image.palette);
image.hasPalette = true;
}
else
@@ -33,24 +34,24 @@ void ConvertGbaToPng(char *inputPath, char *outputPath, int width, int bitDepth,
image.hasPalette = false;
}
- ReadImage(inputPath, width, bitDepth, &image, !image.hasPalette);
+ ReadImage(inputPath, options->width, options->bitDepth, options->metatileWidth, options->metatileHeight, &image, !image.hasPalette);
- image.hasTransparency = hasTransparency;
+ image.hasTransparency = options->hasTransparency;
WritePng(outputPath, &image);
FreeImage(&image);
}
-void ConvertPngToGba(char *inputPath, char *outputPath, int numTiles, int bitDepth)
+void ConvertPngToGba(char *inputPath, char *outputPath, struct PngToGbaOptions *options)
{
struct Image image;
- image.bitDepth = bitDepth;
+ image.bitDepth = options->bitDepth;
ReadPng(inputPath, &image);
- WriteImage(outputPath, numTiles, bitDepth, &image, !image.hasPalette);
+ WriteImage(outputPath, options->numTiles, options->bitDepth, options->metatileWidth, options->metatileHeight, &image, !image.hasPalette);
FreeImage(&image);
}
@@ -58,10 +59,13 @@ void ConvertPngToGba(char *inputPath, char *outputPath, int numTiles, int bitDep
void HandleGbaToPngCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
char *inputFileExtension = GetFileExtension(inputPath);
- int bitDepth = inputFileExtension[0] - '0';
- char *paletteFilePath = NULL;
- bool hasTransparency = false;
- int width = 1;
+ struct GbaToPngOptions options;
+ options.paletteFilePath = NULL;
+ options.bitDepth = inputFileExtension[0] - '0';
+ options.hasTransparency = false;
+ options.width = 1;
+ options.metatileWidth = 1;
+ options.metatileHeight = 1;
for (int i = 3; i < argc; i++)
{
@@ -74,11 +78,11 @@ void HandleGbaToPngCommand(char *inputPath, char *outputPath, int argc, char **a
i++;
- paletteFilePath = argv[i];
+ options.paletteFilePath = argv[i];
}
else if (strcmp(option, "-object") == 0)
{
- hasTransparency = true;
+ options.hasTransparency = true;
}
else if (strcmp(option, "-width") == 0)
{
@@ -87,26 +91,59 @@ void HandleGbaToPngCommand(char *inputPath, char *outputPath, int argc, char **a
i++;
- if (!ParseNumber(argv[i], NULL, 10, &width))
+ if (!ParseNumber(argv[i], NULL, 10, &options.width))
FATAL_ERROR("Failed to parse width.\n");
- if (width < 1)
+ if (options.width < 1)
FATAL_ERROR("Width must be positive.\n");
}
+ else if (strcmp(option, "-mwidth") == 0)
+ {
+ if (i + 1 >= argc)
+ FATAL_ERROR("No metatile width value following \"-mwidth\".\n");
+
+ i++;
+
+ if (!ParseNumber(argv[i], NULL, 10, &options.metatileWidth))
+ FATAL_ERROR("Failed to parse metatile width.\n");
+
+ if (options.metatileWidth < 1)
+ FATAL_ERROR("metatile width must be positive.\n");
+ }
+ else if (strcmp(option, "-mheight") == 0)
+ {
+ if (i + 1 >= argc)
+ FATAL_ERROR("No metatile height value following \"-mheight\".\n");
+
+ i++;
+
+ if (!ParseNumber(argv[i], NULL, 10, &options.metatileHeight))
+ FATAL_ERROR("Failed to parse metatile height.\n");
+
+ if (options.metatileHeight < 1)
+ FATAL_ERROR("metatile height must be positive.\n");
+ }
else
{
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
- ConvertGbaToPng(inputPath, outputPath, width, bitDepth, paletteFilePath, hasTransparency);
+ if (options.metatileWidth > options.width)
+ options.width = options.metatileWidth;
+
+ ConvertGbaToPng(inputPath, outputPath, &options);
}
void HandlePngToGbaCommand(char *inputPath, char *outputPath, int argc, char **argv)
{
char *outputFileExtension = GetFileExtension(outputPath);
int bitDepth = outputFileExtension[0] - '0';
- int numTiles = 0;
+ struct PngToGbaOptions options;
+ options.numTiles = 0;
+ options.bitDepth = bitDepth;
+ options.metatileWidth = 1;
+ options.metatileHeight = 1;
for (int i = 3; i < argc; i++)
{
@@ -119,19 +156,45 @@ void HandlePngToGbaCommand(char *inputPath, char *outputPath, int argc, char **a
i++;
- if (!ParseNumber(argv[i], NULL, 10, &numTiles))
+ if (!ParseNumber(argv[i], NULL, 10, &options.numTiles))
FATAL_ERROR("Failed to parse number of tiles.\n");
- if (numTiles < 1)
+ if (options.numTiles < 1)
FATAL_ERROR("Number of tiles must be positive.\n");
}
+ else if (strcmp(option, "-mwidth") == 0)
+ {
+ if (i + 1 >= argc)
+ FATAL_ERROR("No metatile width value following \"-mwidth\".\n");
+
+ i++;
+
+ if (!ParseNumber(argv[i], NULL, 10, &options.metatileWidth))
+ FATAL_ERROR("Failed to parse metatile width.\n");
+
+ if (options.metatileWidth < 1)
+ FATAL_ERROR("metatile width must be positive.\n");
+ }
+ else if (strcmp(option, "-mheight") == 0)
+ {
+ if (i + 1 >= argc)
+ FATAL_ERROR("No metatile height value following \"-mheight\".\n");
+
+ i++;
+
+ if (!ParseNumber(argv[i], NULL, 10, &options.metatileHeight))
+ FATAL_ERROR("Failed to parse metatile height.\n");
+
+ if (options.metatileHeight < 1)
+ FATAL_ERROR("metatile height must be positive.\n");
+ }
else
{
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
- ConvertPngToGba(inputPath, outputPath, numTiles, bitDepth);
+ ConvertPngToGba(inputPath, outputPath, &options);
}
void HandlePngToGbaPaletteCommand(char *inputPath, char *outputPath, int argc UNUSED, char **argv UNUSED)
diff --git a/tools/gbagfx/options.h b/tools/gbagfx/options.h
new file mode 100755
index 000000000..2ff3967a4
--- /dev/null
+++ b/tools/gbagfx/options.h
@@ -0,0 +1,24 @@
+// Copyright (c) 2018 huderlem
+
+#ifndef OPTIONS_H
+#define OPTIONS_H
+
+#include <stdbool.h>
+
+struct GbaToPngOptions {
+ char *paletteFilePath;
+ int bitDepth;
+ bool hasTransparency;
+ int width;
+ int metatileWidth;
+ int metatileHeight;
+};
+
+struct PngToGbaOptions {
+ int numTiles;
+ int bitDepth;
+ int metatileWidth;
+ int metatileHeight;
+};
+
+#endif // OPTIONS_H
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-07 19:25:37 +0000