323 lines
9.6 KiB
C
323 lines
9.6 KiB
C
/*
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* This file is part of open_agb_firm
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* Copyright (C) 2024 profi200
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "types.h"
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#include "arm11/config.h"
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#include "inih/ini.h"
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#include "util.h"
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#include "fsutil.h"
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#define INI_BUF_SIZE (1024u)
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#define DEFAULT_CONFIG "[general]\n" \
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"backlight=64\n" \
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"backlightSteps=5\n" \
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"directBoot=false\n" \
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"useGbaDb=true\n" \
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"useSavesFolder=true\n\n" \
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\
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"[video]\n" \
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"scaler=matrix\n" \
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"colorProfile=none\n" \
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"contrast=1.0\n" \
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"brightness=0.0\n" \
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"saturation=1.0\n\n" \
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\
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"[audio]\n" \
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"audioOut=auto\n" \
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"volume=127\n\n" \
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\
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"[advanced]\n" \
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"saveOverride=false\n" \
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"defaultSave=sram_256k"
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// Default config.
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OafConfig g_oafConfig =
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{
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// [general]
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64, // backlight
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5, // backlightSteps
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false, // directBoot
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true, // useGbaDb
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true, // useSavesFolder
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// [video]
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2, // scaler
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0, // colorProfile
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1.f, // contrast
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0.f, // brightness
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1.f, // saturation
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// [audio]
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0, // Automatic audio output.
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127, // Control via volume slider.
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// [input]
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{ // buttonMaps
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0, // A
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0, // B
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0, // Select
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0, // Start
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0, // Right
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0, // Left
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0, // Up
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0, // Down
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0, // R
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0 // L
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},
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// [game]
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0, // saveSlot
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255, // saveType
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// [advanced]
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false, // saveOverride
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14 // defaultSave
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};
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static u32 parseButtons(const char *str)
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{
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if(str == NULL || *str == '\0') return 0;
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char buf[32]; // Should be enough for all useful mappings.
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buf[31] = '\0';
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strncpy(buf, str, 31);
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char *bufPtr = buf;
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static const char *const buttonStrLut[32] =
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{
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"A", "B", "SELECT", "START", "RIGHT", "LEFT", "UP", "DOWN",
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"R", "L", "X", "Y", "", "", "ZL", "ZR",
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"", "", "", "", "TOUCH", "", "", "",
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"CS_RIGHT", "CS_LEFT", "CS_UP", "CS_DOWN", "CP_RIGHT", "CP_LEFT", "CP_UP", "CP_DOWN"
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};
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u32 map = 0;
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while(1)
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{
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char *const nextDelimiter = strchr(bufPtr, ',');
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if(nextDelimiter != NULL) *nextDelimiter = '\0';
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unsigned i = 0;
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while(i < 32 && strcmp(buttonStrLut[i], bufPtr) != 0) ++i;
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if(i == 32) break;
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map |= 1u<<i;
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if(nextDelimiter == NULL) break;
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bufPtr = nextDelimiter + 1; // Skip delimiter.
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}
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// Empty strings will match the entry for bit 12.
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return map & ~(1u<<12);
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}
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static int cfgIniCallback(void *user, const char *section, const char *name, const char *value)
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{
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OafConfig *const config = (OafConfig*)user;
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if(strcmp(section, "general") == 0)
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{
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if(strcmp(name, "backlight") == 0)
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config->backlight = (u8)strtoul(value, NULL, 10);
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else if(strcmp(name, "backlightSteps") == 0)
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config->backlightSteps = (u8)strtoul(value, NULL, 10);
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else if(strcmp(name, "directBoot") == 0)
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config->directBoot = (strcmp(value, "false") == 0 ? false : true);
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else if(strcmp(name, "useGbaDb") == 0)
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config->useGbaDb = (strcmp(value, "true") == 0 ? true : false);
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else if(strcmp(name, "useSavesFolder") == 0)
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config->useSavesFolder = (strcmp(value, "true") == 0 ? true : false);
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}
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else if(strcmp(section, "video") == 0)
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{
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if(strcmp(name, "scaler") == 0)
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{
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if(strcmp(value, "none") == 0)
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config->scaler = 0;
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else if(strcmp(value, "bilinear") == 0)
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config->scaler = 1;
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else if(strcmp(value, "matrix") == 0)
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config->scaler = 2;
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}
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else if(strcmp(name, "colorProfile") == 0)
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{
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if(strcmp(value, "none") == 0)
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config->colorProfile = 0;
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else if(strcmp(value, "gba") == 0)
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config->colorProfile = 1;
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else if(strcmp(value, "gb_micro") == 0)
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config->colorProfile = 2;
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else if(strcmp(value, "gba_sp101") == 0)
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config->colorProfile = 3;
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else if(strcmp(value, "nds") == 0)
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config->colorProfile = 4;
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else if(strcmp(value, "ds_lite") == 0)
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config->colorProfile = 5;
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else if(strcmp(value, "nso") == 0)
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config->colorProfile = 6;
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else if(strcmp(value, "vba") == 0)
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config->colorProfile = 7;
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else if(strcmp(value, "identity") == 0)
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config->colorProfile = 8;
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//else if(strcmp(value, "custom") == 0) // TODO: Implement user provided profile.
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// config->colorProfile = 9;
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}
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else if(strcmp(name, "contrast") == 0)
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config->contrast = str2float(value);
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else if(strcmp(name, "brightness") == 0)
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config->brightness = str2float(value);
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else if(strcmp(name, "saturation") == 0)
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config->saturation = str2float(value);
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}
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else if(strcmp(section, "audio") == 0)
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{
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if(strcmp(name, "audioOut") == 0)
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{
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if(strcmp(value, "auto") == 0)
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config->audioOut = 0;
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else if(strcmp(value, "speakers") == 0)
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config->audioOut = 1;
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else if(strcmp(value, "headphones") == 0)
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config->audioOut = 2;
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}
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else if(strcmp(name, "volume") == 0)
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config->volume = (s8)strtol(value, NULL, 10);
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}
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else if(strcmp(section, "input") == 0)
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{
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const u32 button = parseButtons(name) & 0x3FFu; // Only allow GBA buttons.
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if(button != 0)
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{
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// If the config option happens to abuse parseButtons() we will only use the highest bit.
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const u32 shift = 31u - __builtin_clzl(button);
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const u32 map = parseButtons(value);
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config->buttonMaps[shift] = map;
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}
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}
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else if(strcmp(section, "game") == 0)
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{
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if(strcmp(name, "saveSlot") == 0)
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config->saveSlot = (u8)strtoul(value, NULL, 10);
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if(strcmp(name, "saveType") == 0)
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{
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if(strcmp(value, "eeprom_8k") == 0)
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config->saveType = 0;
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if(strcmp(value, "rom_256m_eeprom_8k") == 0)
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config->saveType = 1;
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if(strcmp(value, "eeprom_64k") == 0)
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config->saveType = 2;
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if(strcmp(value, "rom_256m_eeprom_64k") == 0)
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config->saveType = 3;
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if(strcmp(value, "flash_512k_atmel_rtc") == 0)
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config->saveType = 4;
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if(strcmp(value, "flash_512k_atmel") == 0)
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config->saveType = 5;
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if(strcmp(value, "flash_512k_sst_rtc") == 0)
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config->saveType = 6;
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if(strcmp(value, "flash_512k_sst") == 0)
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config->saveType = 7;
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if(strcmp(value, "flash_512k_panasonic_rtc") == 0)
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config->saveType = 8;
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if(strcmp(value, "flash_512k_panasonic") == 0)
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config->saveType = 9;
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if(strcmp(value, "flash_1m_macronix_rtc") == 0)
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config->saveType = 10;
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if(strcmp(value, "flash_1m_macronix") == 0)
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config->saveType = 11;
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if(strcmp(value, "flash_1m_sanyo_rtc") == 0)
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config->saveType = 12;
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if(strcmp(value, "flash_1m_sanyo") == 0)
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config->saveType = 13;
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if(strcmp(value, "sram_256k") == 0)
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config->saveType = 14;
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if(strcmp(value, "none") == 0)
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config->saveType = 15;
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if(strcmp(value, "auto") == 0)
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config->saveType = 255;
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}
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}
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else if(strcmp(section, "advanced") == 0)
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{
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if(strcmp(name, "saveOverride") == 0)
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config->saveOverride = (strcmp(value, "false") == 0 ? false : true);
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if(strcmp(name, "defaultSave") == 0)
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{
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if(strcmp(value, "eeprom_8k") == 0)
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config->defaultSave = 0;
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if(strcmp(value, "rom_256m_eeprom_8k") == 0)
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config->defaultSave = 1;
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if(strcmp(value, "eeprom_64k") == 0)
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config->defaultSave = 2;
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if(strcmp(value, "rom_256m_eeprom_64k") == 0)
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config->defaultSave = 3;
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if(strcmp(value, "flash_512k_atmel_rtc") == 0)
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config->defaultSave = 4;
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if(strcmp(value, "flash_512k_atmel") == 0)
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config->defaultSave = 5;
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if(strcmp(value, "flash_512k_sst_rtc") == 0)
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config->defaultSave = 6;
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if(strcmp(value, "flash_512k_sst") == 0)
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config->defaultSave = 7;
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if(strcmp(value, "flash_512k_panasonic_rtc") == 0)
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config->defaultSave = 8;
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if(strcmp(value, "flash_512k_panasonic") == 0)
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config->defaultSave = 9;
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if(strcmp(value, "flash_1m_macronix_rtc") == 0)
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config->defaultSave = 10;
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if(strcmp(value, "flash_1m_macronix") == 0)
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config->defaultSave = 11;
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if(strcmp(value, "flash_1m_sanyo_rtc") == 0)
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config->defaultSave = 12;
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if(strcmp(value, "flash_1m_sanyo") == 0)
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config->defaultSave = 13;
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if(strcmp(value, "sram_256k") == 0)
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config->defaultSave = 14;
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if(strcmp(value, "none") == 0)
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config->defaultSave = 15;
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}
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}
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else return 0; // Error.
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return 1; // 1 is no error? Really?
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}
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// TODO: Instead of writing a hardcoded string turn default config into a string.
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Result parseOafConfig(const char *const path, OafConfig *cfg, const bool newCfgOnError)
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{
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char *iniBuf = (char*)calloc(INI_BUF_SIZE, 1);
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if(iniBuf == NULL) return RES_OUT_OF_MEM;
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cfg = (cfg != NULL ? cfg : &g_oafConfig);
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Result res = fsQuickRead(path, iniBuf, INI_BUF_SIZE - 1);
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if(res == RES_OK) ini_parse_string(iniBuf, cfgIniCallback, cfg);
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else if(newCfgOnError)
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{
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const char *const defaultConfig = DEFAULT_CONFIG;
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res = fsQuickWrite(path, defaultConfig, strlen(defaultConfig));
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}
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free(iniBuf);
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return res;
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} |