ref: f75049feef17757cd07eb86cf34729c272cefcd5
parent: 37ded1d150197b3784bc351eeeb0a8d9713c2e35
author: yenatch <yenatch@gmail.com>
date: Sat Mar 10 13:01:54 EST 2018
Use rgbgfx and c tools instead of the submodule.
--- a/Makefile
+++ b/Makefile
@@ -1,20 +1,13 @@
-PYTHON := python
-MD5 := md5sum -c --quiet
+MD5 := md5sum -c
-2bpp := $(PYTHON) extras/pokemontools/gfx.py 2bpp
-1bpp := $(PYTHON) extras/pokemontools/gfx.py 1bpp
-pic := $(PYTHON) extras/pokemontools/pic.py compress
-includes := $(PYTHON) extras/pokemontools/scan_includes.py
-
pokered_obj := audio_red.o main_red.o text_red.o wram_red.o
pokeblue_obj := audio_blue.o main_blue.o text_blue.o wram_blue.o
.SUFFIXES:
-.SUFFIXES: .asm .o .gbc .png .2bpp .1bpp .pic
.SECONDEXPANSION:
-# Suppress annoying intermediate file deletion messages.
-.PRECIOUS: %.2bpp
-.PHONY: all clean red blue compare
+.PRECIOUS:
+.SECONDARY:
+.PHONY: all clean red blue compare tools
roms := pokered.gbc pokeblue.gbc
@@ -29,14 +22,26 @@
clean:
rm -f $(roms) $(pokered_obj) $(pokeblue_obj) $(roms:.gbc=.sym)
find . \( -iname '*.1bpp' -o -iname '*.2bpp' -o -iname '*.pic' \) -exec rm {} +
+ #$(MAKE) clean -C tools/
+tools:
+ $(MAKE) -C tools/
+
+
+# Build tools when building the rom.
+# This has to happen before the rules are processed, since that's when scan_includes is run.
+ifeq (,$(filter clean tools,$(MAKECMDGOALS)))
+$(info $(shell $(MAKE) -C tools))
+endif
+
+
%.asm: ;
-%_red.o: dep = $(shell $(includes) $(@D)/$*.asm)
+%_red.o: dep = $(shell tools/scan_includes $(@D)/$*.asm)
$(pokered_obj): %_red.o: %.asm $$(dep)
rgbasm -D _RED -h -o $@ $*.asm
-%_blue.o: dep = $(shell $(includes) $(@D)/$*.asm)
+%_blue.o: dep = $(shell tools/scan_includes $(@D)/$*.asm)
$(pokeblue_obj): %_blue.o: %.asm $$(dep)
rgbasm -D _BLUE -h -o $@ $*.asm
@@ -48,7 +53,26 @@
rgbfix $($*_opt) $@
sort $*.sym -o $*.sym
-%.png: ;
-%.2bpp: %.png ; @$(2bpp) $<
-%.1bpp: %.png ; @$(1bpp) $<
-%.pic: %.2bpp ; @$(pic) $<
+gfx/blue/intro_purin_1.2bpp: rgbgfx += -h
+gfx/blue/intro_purin_2.2bpp: rgbgfx += -h
+gfx/blue/intro_purin_3.2bpp: rgbgfx += -h
+gfx/red/intro_nido_1.2bpp: rgbgfx += -h
+gfx/red/intro_nido_2.2bpp: rgbgfx += -h
+gfx/red/intro_nido_3.2bpp: rgbgfx += -h
+
+gfx/game_boy.2bpp: tools/gfx += --remove-duplicates
+gfx/theend.2bpp: tools/gfx += --interleave --png=$<
+gfx/tilesets/%.2bpp: tools/gfx += --trim-whitespace
+
+%.png: ;
+
+%.2bpp: %.png
+ rgbgfx $(rgbgfx) -o $@ $<
+ $(if $(tools/gfx),\
+ tools/gfx $(tools/gfx) -o $@ $@)
+%.1bpp: %.png
+ rgbgfx -d1 $(rgbgfx) -o $@ $<
+ $(if $(tools/gfx),\
+ tools/gfx $(tools/gfx) -d1 -o $@ $@)
+%.pic: %.2bpp
+ tools/pkmncompress $< $@
--- a/engine/HoF_room_pc.asm
+++ b/engine/HoF_room_pc.asm
@@ -266,5 +266,5 @@
INCLUDE "text/credits_text.asm"
TheEndGfx:
- INCBIN "gfx/theend.interleave.2bpp"
+ INCBIN "gfx/theend.2bpp"
TheEndGfxEnd:
--- a/engine/intro.asm
+++ b/engine/intro.asm
@@ -443,14 +443,14 @@
FightIntroFrontMon:
IF DEF(_RED)
- INCBIN "gfx/red/intro_nido_1.6x6.2bpp"
- INCBIN "gfx/red/intro_nido_2.6x6.2bpp"
- INCBIN "gfx/red/intro_nido_3.6x6.2bpp"
+ INCBIN "gfx/red/intro_nido_1.2bpp"
+ INCBIN "gfx/red/intro_nido_2.2bpp"
+ INCBIN "gfx/red/intro_nido_3.2bpp"
ENDC
IF DEF(_BLUE)
- INCBIN "gfx/blue/intro_purin_1.6x6.2bpp"
- INCBIN "gfx/blue/intro_purin_2.6x6.2bpp"
- INCBIN "gfx/blue/intro_purin_3.6x6.2bpp"
+ INCBIN "gfx/blue/intro_purin_1.2bpp"
+ INCBIN "gfx/blue/intro_purin_2.2bpp"
+ INCBIN "gfx/blue/intro_purin_3.2bpp"
ENDC
FightIntroFrontMonEnd:
binary files a/gfx/blue/intro_purin_1.6x6.png /dev/null differ
binary files /dev/null b/gfx/blue/intro_purin_1.png differ
binary files a/gfx/blue/intro_purin_2.6x6.png /dev/null differ
binary files /dev/null b/gfx/blue/intro_purin_2.png differ
binary files a/gfx/blue/intro_purin_3.6x6.png /dev/null differ
binary files /dev/null b/gfx/blue/intro_purin_3.png differ
binary files a/gfx/game_boy.norepeat.png /dev/null differ
binary files /dev/null b/gfx/game_boy.png differ
binary files a/gfx/red/intro_nido_1.6x6.png /dev/null differ
binary files /dev/null b/gfx/red/intro_nido_1.png differ
binary files a/gfx/red/intro_nido_2.6x6.png /dev/null differ
binary files /dev/null b/gfx/red/intro_nido_2.png differ
binary files a/gfx/red/intro_nido_3.6x6.png /dev/null differ
binary files /dev/null b/gfx/red/intro_nido_3.png differ
binary files a/gfx/theend.interleave.png /dev/null differ
binary files /dev/null b/gfx/theend.png differ
binary files /dev/null b/gfx/tilesets/cavern.png differ
binary files a/gfx/tilesets/cavern.t14.png /dev/null differ
binary files /dev/null b/gfx/tilesets/cemetery.png differ
binary files a/gfx/tilesets/cemetery.t4.png /dev/null differ
binary files /dev/null b/gfx/tilesets/club.png differ
binary files a/gfx/tilesets/club.t5.png /dev/null differ
binary files /dev/null b/gfx/tilesets/gate.png differ
binary files a/gfx/tilesets/gate.t1.png /dev/null differ
binary files /dev/null b/gfx/tilesets/house.png differ
binary files a/gfx/tilesets/house.t2.png /dev/null differ
binary files /dev/null b/gfx/tilesets/interior.png differ
binary files a/gfx/tilesets/interior.t1.png /dev/null differ
binary files /dev/null b/gfx/tilesets/lab.png differ
binary files a/gfx/tilesets/lab.t4.png /dev/null differ
binary files /dev/null b/gfx/tilesets/lobby.png differ
binary files a/gfx/tilesets/lobby.t2.png /dev/null differ
binary files /dev/null b/gfx/tilesets/mansion.png differ
binary files a/gfx/tilesets/mansion.t2.png /dev/null differ
binary files /dev/null b/gfx/tilesets/overworld.png differ
binary files a/gfx/tilesets/overworld.t2.png /dev/null differ
binary files /dev/null b/gfx/tilesets/plateau.png differ
binary files a/gfx/tilesets/plateau.t10.png /dev/null differ
binary files /dev/null b/gfx/tilesets/reds_house.png differ
binary files a/gfx/tilesets/reds_house.t7.png /dev/null differ
binary files /dev/null b/gfx/tilesets/ship.png differ
binary files a/gfx/tilesets/ship.t6.png /dev/null differ
binary files /dev/null b/gfx/tilesets/ship_port.png differ
binary files a/gfx/tilesets/ship_port.t2.png /dev/null differ
binary files /dev/null b/gfx/tilesets/underground.png differ
binary files a/gfx/tilesets/underground.t7.png /dev/null differ
--- a/main.asm
+++ b/main.asm
@@ -895,7 +895,7 @@
INCLUDE "engine/battle/draw_hud_pokeball_gfx.asm"
TradingAnimationGraphics:
-INCBIN "gfx/game_boy.norepeat.2bpp"
+INCBIN "gfx/game_boy.2bpp"
INCBIN "gfx/link_cable.2bpp"
TradingAnimationGraphicsEnd:
@@ -1846,23 +1846,24 @@
SECTION "bank19",ROMX,BANK[$19]
-Overworld_GFX: INCBIN "gfx/tilesets/overworld.t2.2bpp"
+Overworld_GFX: INCBIN "gfx/tilesets/overworld.2bpp"
Overworld_Block: INCBIN "gfx/blocksets/overworld.bst"
RedsHouse1_GFX:
-RedsHouse2_GFX: INCBIN "gfx/tilesets/reds_house.t7.2bpp"
+RedsHouse2_GFX: INCBIN "gfx/tilesets/reds_house.2bpp"
+ ds 16
RedsHouse1_Block:
RedsHouse2_Block: INCBIN "gfx/blocksets/reds_house.bst"
-House_GFX: INCBIN "gfx/tilesets/house.t2.2bpp"
+House_GFX: INCBIN "gfx/tilesets/house.2bpp"
House_Block: INCBIN "gfx/blocksets/house.bst"
-Mansion_GFX: INCBIN "gfx/tilesets/mansion.t2.2bpp"
+Mansion_GFX: INCBIN "gfx/tilesets/mansion.2bpp"
Mansion_Block: INCBIN "gfx/blocksets/mansion.bst"
-ShipPort_GFX: INCBIN "gfx/tilesets/ship_port.t2.2bpp"
+ShipPort_GFX: INCBIN "gfx/tilesets/ship_port.2bpp"
ShipPort_Block: INCBIN "gfx/blocksets/ship_port.bst"
-Interior_GFX: INCBIN "gfx/tilesets/interior.t1.2bpp"
+Interior_GFX: INCBIN "gfx/tilesets/interior.2bpp"
Interior_Block: INCBIN "gfx/blocksets/interior.bst"
-Plateau_GFX: INCBIN "gfx/tilesets/plateau.t10.2bpp"
+Plateau_GFX: INCBIN "gfx/tilesets/plateau.2bpp"
Plateau_Block: INCBIN "gfx/blocksets/plateau.bst"
@@ -1891,7 +1892,7 @@
ForestGate_GFX:
Museum_GFX:
-Gate_GFX: INCBIN "gfx/tilesets/gate.t1.2bpp"
+Gate_GFX: INCBIN "gfx/tilesets/gate.2bpp"
ForestGate_Block:
Museum_Block:
Gate_Block: INCBIN "gfx/blocksets/gate.bst"
@@ -1904,19 +1905,19 @@
SECTION "bank1B",ROMX,BANK[$1B]
-Cemetery_GFX: INCBIN "gfx/tilesets/cemetery.t4.2bpp"
+Cemetery_GFX: INCBIN "gfx/tilesets/cemetery.2bpp"
Cemetery_Block: INCBIN "gfx/blocksets/cemetery.bst"
-Cavern_GFX: INCBIN "gfx/tilesets/cavern.t14.2bpp"
+Cavern_GFX: INCBIN "gfx/tilesets/cavern.2bpp"
Cavern_Block: INCBIN "gfx/blocksets/cavern.bst"
-Lobby_GFX: INCBIN "gfx/tilesets/lobby.t2.2bpp"
+Lobby_GFX: INCBIN "gfx/tilesets/lobby.2bpp"
Lobby_Block: INCBIN "gfx/blocksets/lobby.bst"
-Ship_GFX: INCBIN "gfx/tilesets/ship.t6.2bpp"
+Ship_GFX: INCBIN "gfx/tilesets/ship.2bpp"
Ship_Block: INCBIN "gfx/blocksets/ship.bst"
-Lab_GFX: INCBIN "gfx/tilesets/lab.t4.2bpp"
+Lab_GFX: INCBIN "gfx/tilesets/lab.2bpp"
Lab_Block: INCBIN "gfx/blocksets/lab.bst"
-Club_GFX: INCBIN "gfx/tilesets/club.t5.2bpp"
+Club_GFX: INCBIN "gfx/tilesets/club.2bpp"
Club_Block: INCBIN "gfx/blocksets/club.bst"
-Underground_GFX: INCBIN "gfx/tilesets/underground.t7.2bpp"
+Underground_GFX: INCBIN "gfx/tilesets/underground.2bpp"
Underground_Block: INCBIN "gfx/blocksets/underground.bst"
--- /dev/null
+++ b/tools/.gitignore
@@ -1,0 +1,3 @@
+scan_includes
+gfx
+pkmncompress
--- /dev/null
+++ b/tools/Makefile
@@ -1,0 +1,16 @@
+.PHONY: all clean
+
+CC := gcc
+CFLAGS := -O3 -std=c99 -Wall -Wextra
+
+tools := scan_includes gfx pkmncompress
+
+all: $(tools)
+ @:
+
+clean:
+ rm -f $(tools)
+
+gfx: common.h
+%: %.c
+ $(CC) $(CFLAGS) -o $@ $<
--- /dev/null
+++ b/tools/common.h
@@ -1,0 +1,40 @@
+#ifndef GUARD_COMMON_H
+#define GUARD_COMMON_H
+
+int __getopt_long_i__;
+#define getopt_long(c, v, s, l) getopt_long(c, v, s, l, &__getopt_long_i__)
+
+FILE *fopen_verbose(char *filename, char *mode) {
+ FILE *f = fopen(filename, mode);
+ if (!f) {
+ fprintf(stderr, "Could not open file: \"%s\"\n", filename);
+ }
+ return f;
+}
+
+uint8_t *read_u8(char *filename, int *size) {
+ FILE *f = fopen_verbose(filename, "rb");
+ if (!f) {
+ exit(1);
+ }
+ fseek(f, 0, SEEK_END);
+ *size = ftell(f);
+ rewind(f);
+ uint8_t *data = malloc(*size);
+ if (*size != (int)fread(data, 1, *size, f)) {
+ fprintf(stderr, "Could not read file: \"%s\"\n", filename);
+ exit(1);
+ }
+ fclose(f);
+ return data;
+}
+
+void write_u8(char *filename, uint8_t *data, int size) {
+ FILE *f = fopen_verbose(filename, "wb");
+ if (f) {
+ fwrite(data, 1, size, f);
+ fclose(f);
+ }
+}
+
+#endif // GUARD_COMMON_H
--- /dev/null
+++ b/tools/gfx.c
@@ -1,0 +1,296 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <getopt.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "common.h"
+
+static void usage(void) {
+ fprintf(stderr, "Usage: gfx [--trim-whitespace] [--remove-whitespace] [--interleave] [--remove-duplicates [--keep-whitespace]] [--remove-xflip] [--remove-yflip] [--png filename] [-d depth] [-h] [-o outfile] infile\n");
+}
+
+static void error(char *message) {
+ fputs(message, stderr);
+ fputs("\n", stderr);
+}
+
+struct Options {
+ int trim_whitespace;
+ int remove_whitespace;
+ int help;
+ char *outfile;
+ int depth;
+ int interleave;
+ int remove_duplicates;
+ int keep_whitespace;
+ int remove_xflip;
+ int remove_yflip;
+ char *png_file;
+};
+
+struct Options Options = {
+ .depth = 2,
+};
+
+void get_args(int argc, char *argv[]) {
+ struct option long_options[] = {
+ {"remove-whitespace", no_argument, &Options.remove_whitespace, 1},
+ {"trim-whitespace", no_argument, &Options.trim_whitespace, 1},
+ {"interleave", no_argument, &Options.interleave, 1},
+ {"remove-duplicates", no_argument, &Options.remove_duplicates, 1},
+ {"keep-whitespace", no_argument, &Options.keep_whitespace, 1},
+ {"remove-xflip", no_argument, &Options.remove_xflip, 1},
+ {"remove-yflip", no_argument, &Options.remove_yflip, 1},
+ {"png", required_argument, 0, 'p'},
+ {"depth", required_argument, 0, 'd'},
+ {"help", no_argument, 0, 'h'},
+ {0}
+ };
+ for (int opt = 0; opt != -1;) {
+ switch (opt = getopt_long(argc, argv, "ho:d:p:", long_options)) {
+ case 'h':
+ Options.help = true;
+ break;
+ case 'o':
+ Options.outfile = optarg;
+ break;
+ case 'd':
+ Options.depth = strtoul(optarg, NULL, 0);
+ break;
+ case 'p':
+ Options.png_file = optarg;
+ break;
+ case 0:
+ case -1:
+ break;
+ default:
+ usage();
+ exit(1);
+ break;
+ }
+ }
+}
+
+struct Graphic {
+ int size;
+ uint8_t *data;
+};
+
+bool is_whitespace(uint8_t *tile, int tile_size) {
+ uint8_t WHITESPACE = 0;
+ for (int i = 0; i < tile_size; i++) {
+ if (tile[i] != WHITESPACE) {
+ return false;
+ }
+ }
+ return true;
+}
+
+void trim_whitespace(struct Graphic *graphic) {
+ int tile_size = Options.depth * 8;
+ for (int i = graphic->size - tile_size; i > 0; i -= tile_size) {
+ if (is_whitespace(&graphic->data[i], tile_size)) {
+ graphic->size = i;
+ } else {
+ break;
+ }
+ }
+}
+
+void remove_whitespace(struct Graphic *graphic) {
+ int tile_size = Options.depth * 8;
+ if (Options.interleave) tile_size *= 2;
+ int i = 0;
+ for (int j = 0; i < graphic->size && j < graphic->size; i += tile_size, j += tile_size) {
+ while (is_whitespace(&graphic->data[j], tile_size)) {
+ j += tile_size;
+ }
+ if (j >= graphic->size) {
+ break;
+ }
+ if (j > i) {
+ memcpy(&graphic->data[i], &graphic->data[j], tile_size);
+ }
+ }
+ graphic->size = i;
+}
+
+bool tile_exists(uint8_t *tile, uint8_t *tiles, int tile_size, int num_tiles) {
+ for (int i = 0; i < num_tiles; i++) {
+ bool match = true;
+ for (int j = 0; j < tile_size; j++) {
+ if (tile[j] != tiles[i * tile_size + j]) {
+ match = false;
+ }
+ }
+ if (match) {
+ return true;
+ }
+ }
+ return false;
+}
+
+void remove_duplicates(struct Graphic *graphic) {
+ int tile_size = Options.depth * 8;
+ if (Options.interleave) tile_size *= 2;
+ int num_tiles = 0;
+ for (int i = 0, j = 0; i < graphic->size && j < graphic->size; i += tile_size, j += tile_size) {
+ while (tile_exists(&graphic->data[j], graphic->data, tile_size, num_tiles)) {
+ if (Options.keep_whitespace && is_whitespace(&graphic->data[j], tile_size)) {
+ break;
+ }
+ j += tile_size;
+ }
+ if (j >= graphic->size) {
+ break;
+ }
+ if (j > i) {
+ memcpy(&graphic->data[i], &graphic->data[j], tile_size);
+ }
+ num_tiles++;
+ }
+ graphic->size = num_tiles * tile_size;
+}
+
+bool flip_exists(uint8_t *tile, uint8_t *tiles, int tile_size, int num_tiles, bool xflip, bool yflip) {
+ uint8_t *flip = calloc(tile_size, 1);
+ int half_size = tile_size / 2;
+ for (int i = 0; i < tile_size; i++) {
+ int byte = i;
+ if (yflip) {
+ byte = tile_size - 1 - (i ^ 1);
+ if (Options.interleave && i < half_size) {
+ byte = half_size - 1 - (i ^ 1);
+ }
+ }
+ if (xflip) {
+ for (int bit = 0; bit < 8; bit++) {
+ flip[byte] |= ((tile[i] >> bit) & 1) << (7 - bit);
+ }
+ } else {
+ flip[byte] = tile[i];
+ }
+ }
+ if (tile_exists(flip, tiles, tile_size, num_tiles)) {
+ return true;
+ }
+ return false;
+}
+
+void remove_flip(struct Graphic *graphic, bool xflip, bool yflip) {
+ int tile_size = Options.depth * 8;
+ if (Options.interleave) tile_size *= 2;
+ int num_tiles = 0;
+ for (int i = 0, j = 0; i < graphic->size && j < graphic->size; i += tile_size, j += tile_size) {
+ while (flip_exists(&graphic->data[j], graphic->data, tile_size, num_tiles, xflip, yflip)) {
+ if (Options.keep_whitespace && is_whitespace(&graphic->data[j], tile_size)) {
+ break;
+ }
+ j += tile_size;
+ }
+ if (j >= graphic->size) {
+ break;
+ }
+ if (j > i) {
+ memcpy(&graphic->data[i], &graphic->data[j], tile_size);
+ }
+ num_tiles++;
+ }
+ graphic->size = num_tiles * tile_size;
+}
+
+void interleave(struct Graphic *graphic, int width) {
+ int tile_size = Options.depth * 8;
+ int width_tiles = width / 8;
+ int num_tiles = graphic->size / tile_size;
+ uint8_t *interleaved = malloc(graphic->size);
+ for (int i = 0; i < num_tiles; i++) {
+ int tile = i * 2;
+ int row = i / width_tiles;
+ tile -= width_tiles * row;
+ if (row % 2) {
+ tile -= width_tiles;
+ tile += 1;
+ }
+ memcpy(&interleaved[tile * tile_size], &graphic->data[i * tile_size], tile_size);
+ }
+ graphic->size = num_tiles * tile_size;
+ memcpy(graphic->data, interleaved, graphic->size);
+ free(interleaved);
+}
+
+int png_get_width(char *filename) {
+ FILE *f = fopen_verbose(filename, "rb");
+ if (!f) {
+ exit(1);
+ }
+
+ const int OFFSET_WIDTH = 16;
+ uint8_t bytes[4];
+ fseek(f, OFFSET_WIDTH, SEEK_SET);
+ size_t size = 4;
+ size_t result = fread(bytes, 1, size, f);
+ fclose(f);
+ if (result != size) {
+ fprintf(stderr, "Could not read file at offset 0x%x: \"%s\"\n", OFFSET_WIDTH, filename);
+ exit(1);
+ }
+
+ int width = 0;
+ for (int i = 0; i < 4; i++) {
+ width |= bytes[i] << (8 * (3 - i));
+ }
+ return width;
+}
+
+
+int main(int argc, char *argv[]) {
+ get_args(argc, argv);
+ argc -= optind;
+ argv += optind;
+ if (Options.help) {
+ usage();
+ return 0;
+ }
+ if (argc < 1) {
+ usage();
+ exit(1);
+ }
+ char *infile = argv[0];
+ struct Graphic graphic;
+ graphic.data = read_u8(infile, &graphic.size);
+ if (Options.trim_whitespace) {
+ trim_whitespace(&graphic);
+ }
+ if (Options.interleave) {
+ if (!Options.png_file) {
+ error("interleave: need --png to infer dimensions");
+ usage();
+ exit(1);
+ }
+ int width = png_get_width(Options.png_file);
+ interleave(&graphic, width);
+ }
+ if (Options.remove_duplicates) {
+ remove_duplicates(&graphic);
+ }
+ if (Options.remove_xflip) {
+ remove_flip(&graphic, true, false);
+ }
+ if (Options.remove_yflip) {
+ remove_flip(&graphic, false, true);
+ }
+ if (Options.remove_xflip && Options.remove_yflip) {
+ remove_flip(&graphic, true, true);
+ }
+ if (Options.remove_whitespace) {
+ remove_whitespace(&graphic);
+ }
+ if (Options.outfile) {
+ write_u8(Options.outfile, graphic.data, graphic.size);
+ }
+ free(graphic.data);
+ return 0;
+}
--- /dev/null
+++ b/tools/pkmncompress.c
@@ -1,0 +1,451 @@
+/*
+ * Copyright © 2013 stag019 <stag019@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+
+typedef uint8_t u8;
+
+u8 *compressed = NULL;
+int xrows = 0;
+int xwidth = 0;
+int curbit = 0;
+int curbyte = 0;
+
+void writebit(int bit)
+{
+ if (++curbit == 8)
+ {
+ curbyte++;
+ curbit = 0;
+ }
+ compressed[curbyte] |= bit << (7 - curbit);
+}
+
+void method_1(u8 *RAM)
+{
+ int i;
+ int j;
+ int nibble_1;
+ int nibble_2 = 0;
+ int code_1;
+ int code_2;
+ int table;
+ static int method_1[2][0x10] = {
+ {0x0, 0x1, 0x3, 0x2, 0x6, 0x7, 0x5, 0x4, 0xC, 0xD, 0xF, 0xE, 0xA, 0xB, 0x9, 0x8},
+ {0x8, 0x9, 0xB, 0xA, 0xE, 0xF, 0xD, 0xC, 0x4, 0x5, 0x7, 0x6, 0x2, 0x3, 0x1, 0x0}
+ };
+
+ for (i = 0; i < xrows * xwidth * 8; i++)
+ {
+ j = i / xrows;
+ j += i % xrows * xwidth * 8;
+ if (!(i % xrows))
+ {
+ nibble_2 = 0;
+ }
+ nibble_1 = (RAM[j] >> 4) & 0x0F;
+ table = 0;
+ if (nibble_2 & 1)
+ {
+ table = 1;
+ }
+ code_1 = method_1[table][nibble_1];
+ nibble_2 = RAM[j] & 0x0F;
+ table = 0;
+ if (nibble_1 & 1)
+ {
+ table = 1;
+ }
+ code_2 = method_1[table][nibble_2];
+ RAM[j] = (code_1 << 4) | code_2;
+ }
+}
+
+// "Get the previous power of 2. Deriving the bitcount from that seems to be faster on average than using the lookup table."
+void RLE(int nums)
+{
+ int v;
+ int j;
+ int bitcount;
+ int number;
+
+ bitcount = -1;
+ v = ++nums;
+ v++;
+ v |= v >> 1;
+ v |= v >> 2;
+ v |= v >> 4;
+ v |= v >> 8;
+ v |= v >> 16;
+ v -= v >> 1;
+ v--;
+
+ number = nums - v;
+ while(v) {
+ v >>= 1;
+ bitcount++;
+ }
+ for(j = 0; j < bitcount; j++) {
+ writebit(1);
+ }
+ writebit(0);
+ for(j = bitcount; j >= 0; j--) {
+ writebit((number >> j) & 1);
+ }
+}
+
+void RLE_old(int nums)
+{
+ int search;
+ int i;
+ int j;
+ int bitcount;
+ int number;
+ static int RLE[0x10] = {0x0001, 0x0003, 0x0007, 0x000F, 0x001F, 0x003F, 0x007F, 0x00FF, 0x01FF, 0x03FF, 0x07FF, 0x0FFF, 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF};
+
+ bitcount = -1;
+ search = ++nums;
+ while (search > 0)
+ {
+ for (i = 0; i < 0xF; i++)
+ {
+ if (RLE[i] == search)
+ {
+ bitcount = i;
+ break;
+ }
+ }
+ if (bitcount != -1)
+ {
+ break;
+ }
+ search--;
+ }
+ number = nums - RLE[bitcount];
+ for (j = 0; j < bitcount; j++)
+ {
+ writebit(1);
+ }
+ writebit(0);
+ for (j = bitcount; j >= 0; j--)
+ {
+ writebit((number >> j) & 1);
+ }
+}
+
+void data_packet(u8 *bitgroups, int bgi)
+{
+ int i;
+ for (i = 0; i < bgi; i++)
+ {
+ writebit((bitgroups[i] >> 1) & 1);
+ writebit(bitgroups[i] & 1);
+ }
+}
+
+int interpret_compress(u8 *RAM_1, u8 *RAM_2, int interpretation, int switchram)
+{
+ u8 *_1_RAM;
+ u8 *_2_RAM;
+ int i;
+ int ram;
+ int type;
+ int nums;
+ u8 *bitgroups;
+ int x;
+ int y;
+ int byte;
+ int bit;
+ int bitgroup;
+ int bgi = 0;
+
+ int ram_size = xrows * xwidth * 8;
+ _1_RAM = (u8 *)calloc(ram_size, 1);
+ _2_RAM = (u8 *)calloc(ram_size, 1);
+ if (switchram)
+ {
+ memcpy(_1_RAM, RAM_2, ram_size);
+ memcpy(_2_RAM, RAM_1, ram_size);
+ }
+ else
+ {
+ memcpy(_1_RAM, RAM_1, ram_size);
+ memcpy(_2_RAM, RAM_2, ram_size);
+ }
+
+ switch(interpretation)
+ {
+ case 1:
+ method_1(_1_RAM);
+ method_1(_2_RAM);
+ break;
+ case 2:
+ case 3:
+ for (i = 0; i < xrows * xwidth * 8; i++)
+ {
+ _2_RAM[i] ^= _1_RAM[i];
+ }
+ method_1(_1_RAM);
+ break;
+ }
+ if (interpretation == 3)
+ {
+ method_1(_2_RAM);
+ }
+
+ curbit = 7;
+ curbyte = 0;
+ compressed = (u8 *)calloc(0x310, 1);
+ compressed[0] = (xrows << 4) | xwidth;
+ writebit(switchram);
+
+ for (ram = 0; ram < 2; ram++)
+ {
+ type = 0;
+ nums = 0;
+ bitgroups = (u8 *)calloc(0x1000, 1);
+
+ for (x = 0; x < xwidth; x++)
+ {
+ for (bit = 0; bit < 8; bit += 2)
+ {
+ byte = x * xrows * 8;
+ for (y=0; y < xrows * 8; y++)
+ {
+ if (ram)
+ {
+ bitgroup = (_2_RAM[byte] >> (6 - bit)) & 3;
+ }
+ else
+ {
+ bitgroup = (_1_RAM[byte] >> (6 - bit)) & 3;
+ }
+ if (!bitgroup)
+ {
+ if (!type)
+ {
+ writebit(0);
+ }
+ else if (type == 1)
+ {
+ nums++;
+ }
+ else
+ {
+ data_packet(bitgroups, bgi);
+ writebit(0);
+ writebit(0);
+ }
+ type = 1;
+ free(bitgroups);
+ bitgroups = (u8 *)calloc(0x1000, 1);
+ bgi = 0;
+ }
+ else
+ {
+ if (!type)
+ {
+ writebit(1);
+ }
+ else if (type == 1)
+ {
+ RLE(nums);
+ }
+ type = -1;
+ bitgroups[bgi++] = bitgroup;
+ nums = 0;
+ }
+ byte++;
+ }
+ }
+ }
+ if (type == 1)
+ {
+ RLE(nums);
+ }
+ else
+ {
+ data_packet(bitgroups, bgi);
+ }
+ if (!ram)
+ {
+ if (interpretation < 2)
+ {
+ writebit(0);
+ }
+ else
+ {
+ writebit(1);
+ writebit(interpretation - 2);
+ }
+ }
+ }
+ free(bitgroups);
+ free(_1_RAM);
+ free(_2_RAM);
+ return (curbyte + 1) * 8 + curbit;
+}
+
+int compress(u8 *data, int width, int height)
+{
+ u8 *RAM_1;
+ u8 *RAM_2;
+ int i;
+ int mode;
+ int order;
+ int newsize;
+ int compressedsize;
+ int size = -1;
+ u8 *current = NULL;
+ int ram_size;
+
+ xrows = height;
+ xwidth = width;
+
+ ram_size = xrows * xwidth * 8;
+
+ RAM_1 = (u8 *)calloc(ram_size, 1);
+ RAM_2 = (u8 *)calloc(ram_size, 1);
+
+ for (i = 0; i < xrows * xwidth * 8; i++)
+ {
+ RAM_1[i] = data[(i << 1)];
+ RAM_2[i] = data[(i << 1) | 1];
+ }
+
+ for (mode = 1; mode < 4; mode++)
+ {
+ for (order = 0; order < 2; order++)
+ {
+ if (!(mode == 1 && order == 0))
+ {
+ newsize = interpret_compress(RAM_1, RAM_2, mode, order);
+ if (size == -1 || newsize < size)
+ {
+ if (current != NULL)
+ {
+ free(current);
+ }
+ current = (u8 *)calloc(0x310, 1);
+ memcpy(current, compressed, newsize / 8);
+ free(compressed);
+ size = newsize;
+ }
+ }
+ }
+ }
+ compressed = (u8 *)calloc(0x310, 1);
+ compressedsize = size / 8;
+ memcpy(compressed, current, compressedsize);
+ free(current);
+
+ free(RAM_1);
+ free(RAM_2);
+
+ return compressedsize;
+}
+
+uint8_t *transpose_tiles(uint8_t *data, int width, int height)
+{
+ int i;
+ int j;
+ int tile_size = 0x10;
+
+ int size = width * height * tile_size;
+ u8 *transposed = calloc(size, 1);
+ for (i = 0; i < size; i++)
+ {
+ j = (i / 0x10) * width * 0x10;
+ j = (j % size) + 0x10 * (j / size) + (i % 0x10);
+ transposed[j] = data[i];
+ }
+
+ free(data);
+
+ return transposed;
+}
+
+int main(int argc, char *argv[])
+{
+ int width = 0;
+ int height = 0;
+ int transpose = 1;
+
+ if (argc != 3)
+ {
+ fputs("Usage: pkmncompress infile.2bpp outfile.pic\n", stderr);
+ return EXIT_FAILURE;
+ }
+
+ char *infile = argv[1];
+ char *outfile = argv[2];
+
+ FILE *f = fopen(infile, "rb");
+ if (!f) {
+ fprintf(stderr, "failed to open for reading: '%s'\n", infile);
+ return EXIT_FAILURE;
+ }
+ fseek(f, 0, SEEK_END);
+ int filesize = ftell(f);
+
+ for (int i = 0; i < 32; i++) {
+ width = i;
+ height = i;
+ if (width * height * 16 >= filesize) {
+ break;
+ }
+ }
+ if (width * height * 16 < filesize) {
+ fprintf(stderr, "file too big: '%s' (%x)\n", infile, filesize);
+ return EXIT_FAILURE;
+ }
+ if (width * height * 16 > filesize) {
+ fprintf(stderr, "wrong filesize for '%s' (%x). must be a square image of 16-byte tiles\n", infile, filesize);
+ return EXIT_FAILURE;
+ }
+
+ u8 *data = (u8 *)calloc(filesize, 1);
+ fseek(f, 0, SEEK_SET);
+ int size = fread(data, 1, filesize, f);
+ fclose(f);
+ if (size != filesize) {
+ fprintf(stderr, "failed to read: '%s'\n", infile);
+ return EXIT_FAILURE;
+ }
+
+ if (transpose) {
+ data = transpose_tiles(data, width, height);
+ }
+
+ int compressed_size = compress(data, width, height);
+
+ free(data);
+
+ f = fopen(outfile, "wb");
+ if (!f) {
+ fprintf(stderr, "failed to open for writing: '%s'\n", outfile);
+ return EXIT_FAILURE;
+ }
+ fwrite(compressed, 1, compressed_size, f);
+ fclose(f);
+
+ free(compressed);
+
+ return EXIT_SUCCESS;
+}
--- /dev/null
+++ b/tools/scan_includes.c
@@ -1,0 +1,135 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <getopt.h>
+
+void usage(void) {
+ printf("Usage: scan_includes [-h] [-s] filename\n"
+ "-h, --help\n"
+ " Print usage and exit\n"
+ "-s, --strict\n"
+ " Fail if a file cannot be read\n");
+}
+
+struct Options {
+ bool help;
+ bool strict;
+};
+
+struct Options Options = {0};
+
+void scan_file(char* filename) {
+ FILE *f = fopen(filename, "rb");
+ if (!f) {
+ if (Options.strict) {
+ fprintf(stderr, "Could not open file: '%s'\n", filename);
+ exit(1);
+ } else {
+ return;
+ }
+ }
+
+ fseek(f, 0, SEEK_END);
+ long size = ftell(f);
+ rewind(f);
+
+ char *buffer = malloc(size + 1);
+ char *orig = buffer;
+ size = fread(buffer, 1, size, f);
+ buffer[size] = '\0';
+ fclose(f);
+
+ for (; buffer && (buffer - orig < size); buffer++) {
+ bool is_include = false;
+ bool is_incbin = false;
+ switch (*buffer) {
+ case ';':
+ buffer = strchr(buffer, '\n');
+ if (!buffer) {
+ fprintf(stderr, "%s: no newline at end of file\n", filename);
+ break;
+ }
+ break;
+
+ case '"':
+ buffer++;
+ buffer = strchr(buffer, '"');
+ if (!buffer) {
+ fprintf(stderr, "%s: unterminated string\n", filename);
+ break;
+ }
+ buffer++;
+ break;
+
+ case 'i':
+ case 'I':
+ if ((strncmp(buffer, "INCBIN", 6) == 0) || (strncmp(buffer, "incbin", 6) == 0)) {
+ is_incbin = true;
+ } else if ((strncmp(buffer, "INCLUDE", 7) == 0) || (strncmp(buffer, "include", 7) == 0)) {
+ is_include = true;
+ }
+ if (is_incbin || is_include) {
+ buffer = strchr(buffer, '"');
+ if (!buffer) {
+ break;
+ }
+ buffer++;
+ int length = strcspn(buffer, "\"");
+ char *include = malloc(length + 1);
+ strncpy(include, buffer, length);
+ include[length] = '\0';
+ printf("%s ", include);
+ if (is_include) {
+ scan_file(include);
+ }
+ free(include);
+ buffer = strchr(buffer, '"');
+ }
+ break;
+
+ }
+ if (!buffer) {
+ break;
+ }
+
+ }
+
+ free(orig);
+}
+
+int main(int argc, char* argv[]) {
+ int i = 0;
+ struct option long_options[] = {
+ {"strict", no_argument, 0, 's'},
+ {"help", no_argument, 0, 'h'},
+ {0}
+ };
+ int opt = -1;
+ while ((opt = getopt_long(argc, argv, "sh", long_options, &i)) != -1) {
+ switch (opt) {
+ case 's':
+ Options.strict = true;
+ break;
+ case 'h':
+ Options.help = true;
+ break;
+ default:
+ usage();
+ exit(1);
+ break;
+ }
+ }
+ argc -= optind;
+ argv += optind;
+ if (Options.help) {
+ usage();
+ return 0;
+ }
+ if (argc < 1) {
+ usage();
+ exit(1);
+ }
+ scan_file(argv[0]);
+ return 0;
+}