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Added virtual SNES gamepad

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* Added virtual SNES gamepad

* Added "magic" joy mapping logic based on button names and core name

* minor fixes after testing
This commit is contained in:
Newsdee
2019-10-22 00:08:00 +08:00
committed by sorgelig
parent 985486385d
commit 22adac00dd
5 changed files with 265 additions and 77 deletions
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134
joymapping.cpp Normal file
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/*
This file contains lookup information on known controllers
*/
#include <string>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <string.h>
#include "joymapping.h"
#include "menu.h"
#include "input.h"
#include "user_io.h"
#define DPAD_COUNT 4
/*****************************************************************************/
int swap_face_buttons(const char *core_name) {
//flags cores where B A should be swapped to A B and Y X to X Y (SNES vs. Genesis/NG)
return (!strcmp(core_name, "Genesis")
|| !strcmp(core_name, "NEOGEO")
|| !strcmp(core_name, "SMS"));
}
int map_joystick(const char *core_name, devInput (&input)[NUMDEV], int dev) {
/*
attemps to centrally defined core joy mapping to the joystick declaredy by a core config string
we use the names declared by core with some special handling for specific edge cases
Input button order is "virtual SNES" i.e.:
A, B, X, Y, L, R, Select, Start
*/
uint32_t new_map[NUMBUTTONS];
// first copy directions (not really needed but helps keep things consistent)
for(int i=0; i<DPAD_COUNT; i++) {
new_map[i] = input[dev].map[i];
}
// loop through core requested buttons and construct result map
for (int i=0; i<joy_bcount; i++) {
int new_index = i+DPAD_COUNT;
std::string button_name = joy_bnames[i];
if (button_name.find("(") != std::string::npos) {
button_name = button_name.substr(0, button_name.find("("));
}
const char*btn_name = button_name.c_str();
printf(" ...mapping button %s\n", btn_name);
if(!strcmp(btn_name, "A")
|| !strcmp(btn_name, "Fire")
|| !strcmp(btn_name, "Jump")
|| !strcmp(btn_name, "Fire1")
|| !strcmp(btn_name, "Fire 1")
|| !strcmp(btn_name, "Button 1")
|| !strcmp(btn_name, "Button I")) {
if(swap_face_buttons(core_name)) {
new_map[new_index] = input[dev].map[MENU_JOY_B];
} else {
new_map[new_index] = input[dev].map[MENU_JOY_A];
}
continue;
}
if(!strcmp(btn_name, "B")
|| !strcmp(btn_name, "Fire2")
|| !strcmp(btn_name, "Fire 2")
|| !strcmp(btn_name, "Button 2")
|| !strcmp(btn_name, "Button II")) {
if(swap_face_buttons(core_name)) {
new_map[new_index] = input[dev].map[MENU_JOY_A];
} else {
new_map[new_index] = input[dev].map[MENU_JOY_B];
}
continue;
}
if(!strcmp(btn_name, "X")
|| !strcmp(btn_name, "Fire3")
|| !strcmp(btn_name, "Fire 3")
|| !strcmp(btn_name, "Button 3")
|| !strcmp(btn_name, "Button III")) {
if(swap_face_buttons(core_name)) {
new_map[new_index] = input[dev].map[MENU_JOY_Y];
} else {
new_map[new_index] = input[dev].map[MENU_JOY_X];
}
continue;
}
if(!strcmp(btn_name, "Y")
|| !strcmp(btn_name, "Button IV")) {
if(swap_face_buttons(core_name)) {
new_map[new_index] = input[dev].map[MENU_JOY_X];
} else {
new_map[new_index] = input[dev].map[MENU_JOY_Y];
}
continue;
}
// Genesis C and Z and TG16 V and VI
if(!strcmp(btn_name, "C")
|| !strcmp(btn_name, "Button V")
|| !strcmp(btn_name, "Coin")
) {
new_map[new_index] = input[dev].map[MENU_JOY_R];
continue;
}
if(!strcmp(btn_name, "Z")
|| !strcmp(btn_name, "Button VI")
|| !strcmp(btn_name, "ABC")) {
new_map[new_index] = input[dev].map[MENU_JOY_L];
continue;
}
if(!strcmp(btn_name, "Select")
|| !strcmp(btn_name, "Game Select")) {
new_map[new_index] = input[dev].map[MENU_JOY_SELECT];
continue;
}
if(!strcmp(btn_name, "Start")
|| !strcmp(btn_name, "Run")
|| !strcmp(btn_name, "Pause")
|| !strcmp(btn_name, "Start 1P")) {
new_map[new_index] = input[dev].map[MENU_JOY_START];
continue;
}
//nothing found so just map by position
printf(" [no mapping found, using default map by position]\n");
new_map[new_index] = input[dev].map[new_index];
}
//finally swap result map into input map
for (int i=0; i<NUMBUTTONS; i++) {
if (i<joy_bcount+DPAD_COUNT)
input[dev].map[i] = new_map[i];
else
input[dev].map[i] = 0;
}
return 1; //success
}