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Reimplement grouped multipart cheat codes on top of Snes9x's cheat data.

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This commit is contained in:
Nebuleon Fumika 2013-02-12 00:06:39 -05:00
parent 7a2bde06a1
commit 6794af6695
5 changed files with 151 additions and 9 deletions
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2
Makefile
View file

@ -37,7 +37,7 @@ C_SOURCES = source/unzip/explode.c source/unzip/unreduce.c \
source/unzip/unshrink.c source/unzip/unzip.c \
source/nds/bdf_font.c source/nds/bitmap.c \
source/nds/draw.c source/nds/ds2_main.c source/nds/gcheat.c \
source/nds/gui.c source/nds/dma_adj.c
source/nds/gui.c source/nds/dma_adj.c source/nds/cheatgrp.c
CPP_SOURCES = source/apu.cpp source/apudebug.cpp source/c4.cpp \
source/c4emu.cpp source/cheats2.cpp source/cheats.cpp \
source/clip.cpp source/cpu.cpp source/cpuexec.cpp \

3
source/cheats.h
View file

@ -101,8 +101,7 @@ struct SCheat
uint32 address;
uint8 byte;
uint8 saved_byte;
// bool8 enabled;
u32 enabled; // THIS IS A TOTAL HACK FOR THE NDSSFC GUI, YOU HAVE BEEN WARNED [Neb]
bool8 enabled;
bool8 saved;
char name[MAX_SFCCHEAT_NAME];
};

100
source/nds/cheatgrp.c Normal file
View file

@ -0,0 +1,100 @@
/* cheatgrp.c
*
* Copyright (C) 2013 GBAtemp user Nebuleon.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "cheatgrp.h"
#include "string.h"
#include "ds2_malloc.h"
extern struct SCheatData Cheat;
/*
* Obtains the names of cheat groups currently defined in the Snes9x cheat
* data.
* Cheats are grouped by name, because multipart codes share the same name
* when loaded.
* This function only handles consecutive codes with the same name. If two
* runs of codes have the same name, two identically-named groups will be
* written. Enabling or disabling either of these groups will also enable
* or disable the other if using NDSSFCEnableCheatGroup or
* NDSSFCDisableCheatGroup.
* OUT: NamePointers, an array of MAX_CHEATS_T + 1 pointers which are updated
* by this function. All pointers beyond the last group name are updated
* to point to NULL.
* NameMemory, an array of MAX_CHEATS_T * MAX_SFCCHEAT_NAME char values
* which is updated to hold the names of the groups.
*/
void NDSSFCGetCheatGroups (char** NamePointers, char* NameMemory)
{
unsigned int NameIndex = 0, cheat;
char* dst = NameMemory;
for (cheat = 0; cheat < Cheat.num_cheats; cheat++)
{
if (cheat == 0 || strcmp(Cheat.c [cheat].name, Cheat.c [cheat - 1].name) != 0)
{
memcpy(dst, Cheat.c [cheat].name, MAX_SFCCHEAT_NAME * sizeof (char));
NamePointers[NameIndex] = dst;
dst += MAX_SFCCHEAT_NAME;
NameIndex++;
}
}
for (; NameIndex < MAX_CHEATS_T + 1; NameIndex++)
{
NamePointers[NameIndex] = NULL;
}
}
void NDSSFCEnableCheatGroup (char* GroupName)
{
uint32 cheat;
for (cheat = 0; cheat < Cheat.num_cheats; cheat++)
{
if (strcmp(Cheat.c [cheat].name, GroupName) == 0)
{
S9xEnableCheat (cheat);
}
}
}
void NDSSFCDisableCheatGroup (char* GroupName)
{
uint32 cheat;
for (cheat = 0; cheat < Cheat.num_cheats; cheat++)
{
if (strcmp(Cheat.c [cheat].name, GroupName) == 0)
{
S9xDisableCheat (cheat);
}
}
}
bool8 NDSSFCIsCheatGroupEnabled (char* GroupName)
{
bool8 NameFound = FALSE;
uint32 cheat;
for (cheat = 0; cheat < Cheat.num_cheats; cheat++)
{
if (strcmp(Cheat.c [cheat].name, GroupName) == 0)
{
if (!Cheat.c [cheat].enabled)
return FALSE;
NameFound = TRUE;
}
}
return NameFound;
}

27
source/nds/cheatgrp.h Normal file
View file

@ -0,0 +1,27 @@
/* cheatgrp.h
*
* Copyright (C) 2013 GBAtemp user Nebuleon.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "port.h"
#include "cheats.h"
extern void NDSSFCGetCheatGroups (char** NamePointers, char* NameMemory);
extern void NDSSFCEnableCheatGroup (char* GroupName);
extern void NDSSFCDisableCheatGroup (char* GroupName);
extern bool8 NDSSFCIsCheatGroupEnabled (char* GroupName);

28
source/nds/gui.c
View file

@ -37,6 +37,7 @@
#include "message.h"
#include "bitmap.h"
#include "gcheat.h"
#include "cheatgrp.h"
extern struct SCheatData Cheat;
@ -138,11 +139,11 @@ const uint8 DIRECTION_DOWN_DISPLAY[] = {0xE2, 0x86, 0x93, 0x00};
NULL, \
&cheat_data_ptr[number], \
NULL /* enable_disable_options */, \
&(Cheat.c[number].enabled), \
NULL, \
2, \
NULL, \
line_number, \
STRING_SELECTION_TYPE | ACTION_TYPE \
ACTION_TYPE \
} \
#define ACTION_OPTION(action_function, passive_function, display_string, \
@ -1719,6 +1720,10 @@ u32 menu(u16 *screen, bool8 FirstInvocation)
// ^ Holds the index inside Cheat, as a number in an ASCIIZ string
char* cheat_data_ptr[MAX_CHEATS_T];
// For cheat groups
char* cheat_group_name_ptr[MAX_CHEATS_T + 1];
char cheat_group_names[MAX_CHEATS_T * MAX_SFCCHEAT_NAME];
MENU_TYPE *current_menu = NULL;
MENU_OPTION_TYPE *current_option = NULL;
MENU_OPTION_TYPE *display_option = NULL;
@ -2250,6 +2255,8 @@ u32 menu(u16 *screen, bool8 FirstInvocation)
cheat_data_ptr[i] = &cheat_data_str[i][0];
}
NDSSFCGetCheatGroups(cheat_group_name_ptr, cheat_group_names);
reload_cheats_page();
}
@ -2481,6 +2488,16 @@ u32 menu(u16 *screen, bool8 FirstInvocation)
void cheat_option_action()
{
char tmp_buf[512];
strcpy(tmp_buf, *(current_option->display_string));
int i = atoi(tmp_buf);
// 'i' is the cheat group index.
if (cheat_group_name_ptr[i] == NULL)
return;
if (NDSSFCIsCheatGroupEnabled (cheat_group_name_ptr[i]))
NDSSFCDisableCheatGroup (cheat_group_name_ptr[i]);
else
NDSSFCEnableCheatGroup (cheat_group_name_ptr[i]);
}
#define CHEAT_NUMBER_X 23
@ -2508,11 +2525,11 @@ u32 menu(u16 *screen, bool8 FirstInvocation)
sprintf(line_buffer, "%d.", i + 1);
PRINT_STRING_BG(down_screen_addr, line_buffer, color, COLOR_TRANS, CHEAT_NUMBER_X, 40 + display_option-> line_number*27);
if (i >= Cheat.num_cheats) {
if (cheat_group_name_ptr[i] == NULL) {
PRINT_STRING_BG(down_screen_addr, msg[MSG_CHEAT_ELEMENT_NOT_LOADED], color, COLOR_TRANS, CHEAT_DESC_X, 40 + display_option-> line_number*27);
}
else {
strcpy(line_buffer, Cheat.c[i].name);
strcpy(line_buffer, cheat_group_name_ptr[i]);
len = BDF_cut_string(line_buffer, 0, 2);
if(len > CHEAT_DESC_SX)
{
@ -2522,7 +2539,7 @@ u32 menu(u16 *screen, bool8 FirstInvocation)
}
PRINT_STRING_BG(down_screen_addr, line_buffer, color, COLOR_TRANS, CHEAT_DESC_X, 40 + display_option-> line_number*27);
if (Cheat.c[i].enabled)
if (NDSSFCIsCheatGroupEnabled (cheat_group_name_ptr[i]))
strcpy(line_buffer, "+");
else
strcpy(line_buffer, "-");
@ -3504,7 +3521,6 @@ u32 menu(u16 *screen, bool8 FirstInvocation)
for(i = 0; i < CHEATS_PER_PAGE; i++)
{
cheats_options[i+1].display_string = &cheat_data_ptr[(CHEATS_PER_PAGE * menu_cheat_page) + i];
cheats_options[i+1].current_option = &(Cheat.c[(CHEATS_PER_PAGE * menu_cheat_page) + i].enabled);
}
}