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bindings.c
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bindings.c
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#include <string.h>
#include <stdlib.h>
#include "render.h"
#include "system.h"
#include "io.h"
#include "blastem.h"
#include "saves.h"
#include "util.h"
#include "genesis.h"
#include "sms.h"
#include "menu.h"
#include "bindings.h"
#include "controller_info.h"
#ifndef DISABLE_NUKLEAR
#include "nuklear_ui/blastem_nuklear.h"
#endif
enum {
BIND_NONE,
BIND_UI,
BIND_GAMEPAD,
BIND_MOUSE
};
typedef enum {
UI_DEBUG_MODE_INC,
UI_ENTER_DEBUGGER,
UI_SAVE_STATE,
UI_SET_SPEED,
UI_NEXT_SPEED,
UI_PREV_SPEED,
UI_RELEASE_MOUSE,
UI_TOGGLE_KEYBOARD_CAPTURE,
UI_TOGGLE_FULLSCREEN,
UI_SOFT_RESET,
UI_RELOAD,
UI_SMS_PAUSE,
UI_SCREENSHOT,
UI_VGM_LOG,
UI_EXIT,
UI_PLANE_DEBUG,
UI_VRAM_DEBUG,
UI_CRAM_DEBUG,
UI_COMPOSITE_DEBUG
} ui_action;
typedef struct {
uint8_t bind_type;
uint8_t subtype_a;
uint8_t subtype_b;
} keybinding;
typedef struct {
keybinding bindings[4];
uint8_t state;
} joydpad;
typedef struct {
keybinding positive;
keybinding negative;
int16_t value;
} joyaxis;
typedef struct {
keybinding *buttons;
joydpad *dpads;
joyaxis *axes;
uint32_t num_buttons; //number of entries in the buttons array, not necessarily the number of buttons on the device
uint32_t num_dpads; //number of entries in the dpads array, not necessarily the number of dpads on the device
uint32_t num_axes; //number of entries in the axes array, not necessarily the number of dpads on the device
} joystick;
typedef struct {
keybinding buttons[MAX_MOUSE_BUTTONS];
keybinding motion;
} mousebinding;
#define DEFAULT_JOYBUTTON_ALLOC 12
static keybinding *bindings[0x10000];
static joystick joysticks[MAX_JOYSTICKS];
static mousebinding mice[MAX_MICE];
const uint8_t dpadbits[] = {RENDER_DPAD_UP, RENDER_DPAD_DOWN, RENDER_DPAD_LEFT, RENDER_DPAD_RIGHT};
static void do_bind(keybinding *binding, uint8_t bind_type, uint8_t subtype_a, uint8_t subtype_b)
{
binding->bind_type = bind_type;
binding->subtype_a = subtype_a;
binding->subtype_b = subtype_b;
}
void bind_key(int keycode, uint8_t bind_type, uint8_t subtype_a, uint8_t subtype_b)
{
int bucket = keycode >> 15 & 0xFFFF;
if (!bindings[bucket]) {
bindings[bucket] = malloc(sizeof(keybinding) * 0x8000);
memset(bindings[bucket], 0, sizeof(keybinding) * 0x8000);
}
int idx = keycode & 0x7FFF;
do_bind(bindings[bucket] + idx, bind_type, subtype_a, subtype_b);
}
void bind_button(int joystick, int button, uint8_t bind_type, uint8_t subtype_a, uint8_t subtype_b)
{
if (joystick >= MAX_JOYSTICKS) {
return;
}
if (!joysticks[joystick].buttons) {
joysticks[joystick].num_buttons = button < DEFAULT_JOYBUTTON_ALLOC ? DEFAULT_JOYBUTTON_ALLOC : button + 1;
joysticks[joystick].buttons = calloc(joysticks[joystick].num_buttons, sizeof(keybinding));
} else if (joysticks[joystick].num_buttons <= button) {
uint32_t old_capacity = joysticks[joystick].num_buttons;
joysticks[joystick].num_buttons *= 2;
joysticks[joystick].buttons = realloc(joysticks[joystick].buttons, sizeof(keybinding) * joysticks[joystick].num_buttons);
memset(joysticks[joystick].buttons + old_capacity, 0, joysticks[joystick].num_buttons - old_capacity);
}
do_bind(joysticks[joystick].buttons + button, bind_type, subtype_a, subtype_b);
}
void bind_dpad(int joystick, int dpad, int direction, uint8_t bind_type, uint8_t subtype_a, uint8_t subtype_b)
{
if (joystick >= MAX_JOYSTICKS) {
return;
}
if (!joysticks[joystick].dpads) {
//multiple D-pads/hats are not common, so don't allocate any extra space
joysticks[joystick].dpads = calloc(dpad+1, sizeof(joydpad));
joysticks[joystick].num_dpads = dpad+1;
} else if (joysticks[joystick].num_dpads <= dpad) {
uint32_t old_capacity = joysticks[joystick].num_dpads;
joysticks[joystick].num_dpads *= 2;
joysticks[joystick].dpads = realloc(joysticks[joystick].dpads, sizeof(joydpad) * joysticks[joystick].num_dpads);
memset(joysticks[joystick].dpads + old_capacity, 0, (joysticks[joystick].num_dpads - old_capacity) * sizeof(joydpad));
}
for (int i = 0; i < 4; i ++) {
if (dpadbits[i] & direction) {
do_bind(joysticks[joystick].dpads[dpad].bindings + i, bind_type, subtype_a, subtype_b);
break;
}
}
}
void bind_axis(int joystick, int axis, int positive, uint8_t bind_type, uint8_t subtype_a, uint8_t subtype_b)
{
if (joystick >= MAX_JOYSTICKS) {
return;
}
if (!joysticks[joystick].axes) {
//typical gamepad has 4 axes
joysticks[joystick].num_axes = axis+1 > 4 ? axis+1 : 4;
joysticks[joystick].axes = calloc(joysticks[joystick].num_axes, sizeof(joyaxis));
} else if (joysticks[joystick].num_axes <= axis) {
uint32_t old_capacity = joysticks[joystick].num_axes;
joysticks[joystick].num_axes *= 2;
joysticks[joystick].axes = realloc(joysticks[joystick].axes, sizeof(joyaxis) * joysticks[joystick].num_axes);
memset(joysticks[joystick].axes + old_capacity, 0, (joysticks[joystick].num_axes - old_capacity) * sizeof(joyaxis));
}
if (positive) {
do_bind(&joysticks[joystick].axes[axis].positive, bind_type, subtype_a, subtype_b);
} else {
do_bind(&joysticks[joystick].axes[axis].negative, bind_type, subtype_a, subtype_b);
}
}
void reset_joystick_bindings(int joystick)
{
if (joystick >= MAX_JOYSTICKS) {
return;
}
if (joysticks[joystick].buttons) {
for (int i = 0; i < joysticks[joystick].num_buttons; i++)
{
joysticks[joystick].buttons[i].bind_type = BIND_NONE;
}
}
if (joysticks[joystick].dpads) {
for (int i = 0; i < joysticks[joystick].num_dpads; i++)
{
for (int dir = 0; dir < 4; dir++)
{
joysticks[joystick].dpads[i].bindings[dir].bind_type = BIND_NONE;
}
}
}
if (joysticks[joystick].axes) {
for (int i = 0; i < joysticks[joystick].num_axes; i++)
{
joysticks[joystick].axes[i].positive.bind_type = BIND_NONE;
joysticks[joystick].axes[i].negative.bind_type = BIND_NONE;
}
}
}
static uint8_t content_binds_enabled = 1;
void set_content_binding_state(uint8_t enabled)
{
content_binds_enabled = enabled;
}
void handle_binding_down(keybinding * binding)
{
if (!current_system) {
return;
}
if (binding->bind_type == BIND_GAMEPAD && current_system && current_system->gamepad_down)
{
current_system->gamepad_down(current_system, binding->subtype_a, binding->subtype_b);
}
else if (binding->bind_type == BIND_MOUSE && current_system && current_system->mouse_down)
{
current_system->mouse_down(current_system, binding->subtype_a, binding->subtype_b);
}
}
static uint8_t keyboard_captured;
void handle_keydown(int keycode, uint8_t scancode)
{
int bucket = keycode >> 15 & 0xFFFF;
int idx = keycode & 0x7FFF;
keybinding * binding = bindings[bucket] ? bindings[bucket] + idx : NULL;
if (binding && (!keyboard_captured || (binding->bind_type == BIND_UI && binding->subtype_a == UI_TOGGLE_KEYBOARD_CAPTURE))) {
handle_binding_down(binding);
} else if (keyboard_captured && current_system && current_system->keyboard_down) {
current_system->keyboard_down(current_system, scancode);
}
}
void handle_joydown(int joystick, int button)
{
if (joystick >= MAX_JOYSTICKS || button >= joysticks[joystick].num_buttons) {
return;
}
keybinding * binding = joysticks[joystick].buttons + button;
handle_binding_down(binding);
}
static uint8_t mouse_mode = MOUSE_NONE;
static uint8_t mouse_captured;
void handle_mousedown(int mouse, int button)
{
if (mouse_mode == MOUSE_CAPTURE && !mouse_captured) {
mouse_captured = 1;
render_relative_mouse(1);
return;
}
if (mouse >= MAX_MICE || button > MAX_MOUSE_BUTTONS || button <= 0) {
return;
}
keybinding * binding = mice[mouse].buttons + button - 1;
handle_binding_down(binding);
}
static int current_speed = 0;
static int num_speeds = 1;
static uint32_t * speeds = NULL;
static uint8_t mouse_captured;
#ifdef _WIN32
#define localtime_r(a,b) localtime(a)
#endif
char *get_content_config_path(char *config_path, char *config_template, char *default_name)
{
char *base = tern_find_path(config, config_path, TVAL_PTR).ptrval;
if (!base) {
base = "$HOME";
}
const system_media *media = current_media();
tern_node *vars = tern_insert_ptr(NULL, "HOME", get_home_dir());
vars = tern_insert_ptr(vars, "EXEDIR", get_exe_dir());
vars = tern_insert_ptr(vars, "USERDATA", (char *)get_userdata_dir());
vars = tern_insert_ptr(vars, "ROMNAME", media->name);
vars = tern_insert_ptr(vars, "ROMDIR", media->dir);
base = replace_vars(base, vars, 1);
tern_free(vars);
ensure_dir_exists(base);
time_t now = time(NULL);
struct tm local_store;
char fname_part[256];
char *template = tern_find_path(config, config_template, TVAL_PTR).ptrval;
if (template) {
vars = tern_insert_ptr(NULL, "ROMNAME", media->name);
template = replace_vars(template, vars, 0);
} else {
template = strdup(default_name);
}
strftime(fname_part, sizeof(fname_part), template, localtime_r(&now, &local_store));
char const *parts[] = {base, PATH_SEP, fname_part};
char *path = alloc_concat_m(3, parts);
free(base);
free(template);
return path;
}
void handle_binding_up(keybinding * binding)
{
uint8_t allow_content_binds = content_binds_enabled && current_system;
switch(binding->bind_type)
{
case BIND_GAMEPAD:
if (allow_content_binds && current_system->gamepad_up) {
current_system->gamepad_up(current_system, binding->subtype_a, binding->subtype_b);
}
break;
case BIND_MOUSE:
if (allow_content_binds && current_system->mouse_up) {
current_system->mouse_up(current_system, binding->subtype_a, binding->subtype_b);
}
break;
case BIND_UI:
switch (binding->subtype_a)
{
case UI_DEBUG_MODE_INC:
if (allow_content_binds) {
current_system->inc_debug_mode(current_system);
}
break;
case UI_ENTER_DEBUGGER:
if (allow_content_binds) {
current_system->enter_debugger = 1;
}
break;
case UI_SAVE_STATE:
if (allow_content_binds) {
current_system->save_state = QUICK_SAVE_SLOT+1;
}
break;
case UI_NEXT_SPEED:
if (allow_content_binds) {
current_speed++;
if (current_speed >= num_speeds) {
current_speed = 0;
}
printf("Setting speed to %d: %d\n", current_speed, speeds[current_speed]);
current_system->set_speed_percent(current_system, speeds[current_speed]);
}
break;
case UI_PREV_SPEED:
if (allow_content_binds) {
current_speed--;
if (current_speed < 0) {
current_speed = num_speeds - 1;
}
printf("Setting speed to %d: %d\n", current_speed, speeds[current_speed]);
current_system->set_speed_percent(current_system, speeds[current_speed]);
}
break;
case UI_SET_SPEED:
if (allow_content_binds) {
if (binding->subtype_b < num_speeds) {
current_speed = binding->subtype_b;
printf("Setting speed to %d: %d\n", current_speed, speeds[current_speed]);
current_system->set_speed_percent(current_system, speeds[current_speed]);
} else {
printf("Setting speed to %d\n", speeds[current_speed]);
current_system->set_speed_percent(current_system, speeds[current_speed]);
}
}
break;
case UI_RELEASE_MOUSE:
if (mouse_captured) {
mouse_captured = 0;
render_relative_mouse(0);
}
break;
case UI_TOGGLE_KEYBOARD_CAPTURE:
if (allow_content_binds && current_system->has_keyboard) {
keyboard_captured = !keyboard_captured;
}
break;
case UI_TOGGLE_FULLSCREEN:
render_toggle_fullscreen();
break;
case UI_SOFT_RESET:
if (allow_content_binds) {
current_system->soft_reset(current_system);
}
break;
case UI_RELOAD:
if (allow_content_binds) {
reload_media();
}
break;
case UI_SMS_PAUSE:
if (allow_content_binds && current_system->gamepad_down) {
current_system->gamepad_down(current_system, GAMEPAD_MAIN_UNIT, MAIN_UNIT_PAUSE);
}
break;
case UI_SCREENSHOT:
if (allow_content_binds) {
char *path = get_content_config_path("ui\0screenshot_path\0", "ui\0screenshot_template\0", "blastem_%c.ppm");
render_save_screenshot(path);
}
break;
case UI_VGM_LOG:
if (allow_content_binds && current_system->start_vgm_log) {
if (current_system->vgm_logging) {
current_system->stop_vgm_log(current_system);
} else {
char *path = get_content_config_path("ui\0vgm_path\0", "ui\0vgm_template\0", "blastem_%c.vgm");
current_system->start_vgm_log(current_system, path);
free(path);
}
}
break;
case UI_EXIT:
#ifndef DISABLE_NUKLEAR
if (is_nuklear_active()) {
show_pause_menu();
} else {
#endif
system_request_exit(current_system, 1);
if (current_system->type == SYSTEM_GENESIS) {
genesis_context *gen = (genesis_context *)current_system;
if (gen->extra) {
//TODO: More robust mechanism for detecting menu
menu_context *menu = gen->extra;
menu->external_game_load = 1;
}
}
#ifndef DISABLE_NUKLEAR
}
#endif
break;
case UI_PLANE_DEBUG:
case UI_VRAM_DEBUG:
case UI_CRAM_DEBUG:
case UI_COMPOSITE_DEBUG:
if (allow_content_binds) {
vdp_context *vdp = NULL;
if (current_system->type == SYSTEM_GENESIS) {
genesis_context *gen = (genesis_context *)current_system;
vdp = gen->vdp;
} else if (current_system->type == SYSTEM_SMS) {
sms_context *sms = (sms_context *)current_system;
vdp = sms->vdp;
}
if (vdp) {
uint8_t debug_type;
switch(binding->subtype_a)
{
case UI_PLANE_DEBUG: debug_type = VDP_DEBUG_PLANE; break;
case UI_VRAM_DEBUG: debug_type = VDP_DEBUG_VRAM; break;
case UI_CRAM_DEBUG: debug_type = VDP_DEBUG_CRAM; break;
case UI_COMPOSITE_DEBUG: debug_type = VDP_DEBUG_COMPOSITE; break;
default: return;
}
vdp_toggle_debug_view(vdp, debug_type);
}
break;
}
}
break;
}
}
void handle_keyup(int keycode, uint8_t scancode)
{
int bucket = keycode >> 15 & 0xFFFF;
int idx = keycode & 0x7FFF;
keybinding * binding = bindings[bucket] ? bindings[bucket] + idx : NULL;
if (binding && (!keyboard_captured || (binding->bind_type == BIND_UI && binding->subtype_a == UI_TOGGLE_KEYBOARD_CAPTURE))) {
handle_binding_up(binding);
} else if (keyboard_captured && current_system && current_system->keyboard_up) {
current_system->keyboard_up(current_system, scancode);
}
}
void handle_joyup(int joystick, int button)
{
if (joystick >= MAX_JOYSTICKS || button >= joysticks[joystick].num_buttons) {
return;
}
keybinding * binding = joysticks[joystick].buttons + button;
handle_binding_up(binding);
}
void handle_joy_dpad(int joystick, int dpadnum, uint8_t value)
{
if (joystick >= MAX_JOYSTICKS || dpadnum >= joysticks[joystick].num_dpads) {
return;
}
joydpad * dpad = joysticks[joystick].dpads + dpadnum;
uint8_t newdown = (value ^ dpad->state) & value;
uint8_t newup = ((~value) ^ (~dpad->state)) & (~value);
dpad->state = value;
for (int i = 0; i < 4; i++) {
if (newdown & dpadbits[i]) {
handle_binding_down(dpad->bindings + i);
} else if(newup & dpadbits[i]) {
handle_binding_up(dpad->bindings + i);
}
}
}
#define JOY_AXIS_THRESHOLD 2000
void handle_joy_axis(int joystick, int axis, int16_t value)
{
if (joystick >= MAX_JOYSTICKS || axis >= joysticks[joystick].num_axes) {
return;
}
joyaxis *jaxis = joysticks[joystick].axes + axis;
int old_active = abs(jaxis->value) > JOY_AXIS_THRESHOLD;
int new_active = abs(value) > JOY_AXIS_THRESHOLD;
int old_pos = jaxis->value > 0;
int new_pos = value > 0;
jaxis->value = value;
if (old_active && (!new_active || old_pos != new_pos)) {
//previously activated direction is no longer active
handle_binding_up(old_pos ? &jaxis->positive : &jaxis->negative);
}
if (new_active && (!old_active || old_pos != new_pos)) {
//previously unactivated direction is now active
handle_binding_down(new_pos ? &jaxis->positive : &jaxis->negative);
}
}
void handle_mouse_moved(int mouse, uint16_t x, uint16_t y, int16_t deltax, int16_t deltay)
{
if (mouse >= MAX_MICE || !current_system) {
return;
}
if (mice[mouse].motion.bind_type == BIND_MOUSE && mice[mouse].motion.subtype_b == PSEUDO_BUTTON_MOTION) {
uint8_t target_mouse = mice[mouse].motion.subtype_a;
switch(mouse_mode)
{
case MOUSE_NONE:
break;
case MOUSE_ABSOLUTE: {
if (current_system->mouse_motion_absolute) {
float scale_x = (render_emulated_width() * 2.0f) / ((float)render_width());
float scale_y = (render_emulated_height() * 2.0f) / ((float)render_height());
int32_t adj_x = x * scale_x + 2 * render_overscan_left() - 2 * BORDER_LEFT;
int32_t adj_y = y * scale_y + 2 * render_overscan_top() - 4;
current_system->mouse_motion_absolute(current_system, target_mouse, adj_x, adj_y);
}
break;
}
case MOUSE_RELATIVE: {
if (current_system->mouse_motion_relative) {
current_system->mouse_motion_relative(current_system, target_mouse, deltax, deltay);
}
break;
}
case MOUSE_CAPTURE: {
if (mouse_captured && current_system->mouse_motion_relative) {
current_system->mouse_motion_relative(current_system, target_mouse, deltax, deltay);
}
break;
}
}
} else {
handle_binding_up(&mice[mouse].motion);
}
}
void handle_mouseup(int mouse, int button)
{
if (mouse >= MAX_MICE || button > MAX_MOUSE_BUTTONS || button <= 0) {
return;
}
keybinding * binding = mice[mouse].buttons + button - 1;
handle_binding_up(binding);
}
void bindings_release_capture(void)
{
if (mouse_mode == MOUSE_RELATIVE || (mouse_mode == MOUSE_CAPTURE && mouse_captured)) {
render_relative_mouse(0);
}
keyboard_captured = 0;
}
void bindings_reacquire_capture(void)
{
if (mouse_mode == MOUSE_RELATIVE || (mouse_mode == MOUSE_CAPTURE && mouse_captured)) {
render_relative_mouse(1);
}
}
int parse_binding_target(int device_num, char * target, tern_node * padbuttons, tern_node *mousebuttons, uint8_t * subtype_a, uint8_t * subtype_b)
{
const int gpadslen = strlen("gamepads.");
const int mouselen = strlen("mouse.");
if (startswith(target, "gamepads.")) {
int padnum = target[gpadslen] == 'n' ? device_num + 1 : target[gpadslen] - '0';
if (padnum >= 1 && padnum <= 8) {
int button = tern_find_int(padbuttons, target + gpadslen + 1, 0);
if (button) {
*subtype_a = padnum;
*subtype_b = button;
return BIND_GAMEPAD;
} else {
if (target[gpadslen+1]) {
warning("Gamepad mapping string '%s' refers to an invalid button '%s'\n", target, target + gpadslen + 1);
} else {
warning("Gamepad mapping string '%s' has no button component\n", target);
}
}
} else {
warning("Gamepad mapping string '%s' refers to an invalid gamepad number %c\n", target, target[gpadslen]);
}
} else if(startswith(target, "mouse.")) {
int mousenum = target[mouselen] == 'n' ? device_num + 1 : target[mouselen] - '0';
if (mousenum >= 1 && mousenum <= 8) {
int button = tern_find_int(mousebuttons, target + mouselen + 1, 0);
if (button) {
*subtype_a = mousenum;
*subtype_b = button;
return BIND_MOUSE;
} else {
if (target[mouselen+1]) {
warning("Mouse mapping string '%s' refers to an invalid button '%s'\n", target, target + mouselen + 1);
} else {
warning("Mouse mapping string '%s' has no button component\n", target);
}
}
} else {
warning("Gamepad mapping string '%s' refers to an invalid mouse number %c\n", target, target[mouselen]);
}
} else if(startswith(target, "ui.")) {
if (!strcmp(target + 3, "vdp_debug_mode")) {
*subtype_a = UI_DEBUG_MODE_INC;
} else if(!strcmp(target + 3, "vdp_debug_pal")) {
//legacy binding, ignore
return 0;
} else if(!strcmp(target + 3, "enter_debugger")) {
*subtype_a = UI_ENTER_DEBUGGER;
} else if(!strcmp(target + 3, "save_state")) {
*subtype_a = UI_SAVE_STATE;
} else if(startswith(target + 3, "set_speed.")) {
*subtype_a = UI_SET_SPEED;
*subtype_b = atoi(target + 3 + strlen("set_speed."));
} else if(!strcmp(target + 3, "next_speed")) {
*subtype_a = UI_NEXT_SPEED;
} else if(!strcmp(target + 3, "prev_speed")) {
*subtype_a = UI_PREV_SPEED;
} else if(!strcmp(target + 3, "release_mouse")) {
*subtype_a = UI_RELEASE_MOUSE;
} else if(!strcmp(target + 3, "toggle_keyboard_captured")) {
*subtype_a = UI_TOGGLE_KEYBOARD_CAPTURE;
} else if (!strcmp(target + 3, "toggle_fullscreen")) {
*subtype_a = UI_TOGGLE_FULLSCREEN;
} else if (!strcmp(target + 3, "soft_reset")) {
*subtype_a = UI_SOFT_RESET;
} else if (!strcmp(target + 3, "reload")) {
*subtype_a = UI_RELOAD;
} else if (!strcmp(target + 3, "sms_pause")) {
*subtype_a = UI_SMS_PAUSE;
} else if (!strcmp(target + 3, "screenshot")) {
*subtype_a = UI_SCREENSHOT;
} else if (!strcmp(target + 3, "vgm_log")) {
*subtype_a = UI_VGM_LOG;
} else if(!strcmp(target + 3, "exit")) {
*subtype_a = UI_EXIT;
} else if (!strcmp(target + 3, "plane_debug")) {
*subtype_a = UI_PLANE_DEBUG;
} else if (!strcmp(target + 3, "vram_debug")) {
*subtype_a = UI_VRAM_DEBUG;
} else if (!strcmp(target + 3, "cram_debug")) {
*subtype_a = UI_CRAM_DEBUG;
} else if (!strcmp(target + 3, "compositing_debug")) {
*subtype_a = UI_COMPOSITE_DEBUG;
} else {
warning("Unreconized UI binding type %s\n", target);
return 0;
}
return BIND_UI;
} else {
warning("Unrecognized binding type %s\n", target);
}
return 0;
}
void process_keys(tern_node * cur, tern_node * special, tern_node * padbuttons, tern_node *mousebuttons, char * prefix)
{
char * curstr = NULL;
int len;
if (!cur) {
return;
}
char onec[2];
if (prefix) {
len = strlen(prefix);
curstr = malloc(len + 2);
memcpy(curstr, prefix, len);
} else {
curstr = onec;
len = 0;
}
curstr[len] = cur->el;
curstr[len+1] = 0;
if (cur->el) {
process_keys(cur->straight.next, special, padbuttons, mousebuttons, curstr);
} else {
int keycode = tern_find_int(special, curstr, 0);
if (!keycode) {
keycode = curstr[0];
if (curstr[1] != 0) {
warning("%s is not recognized as a key identifier, truncating to %c\n", curstr, curstr[0]);
}
}
char * target = cur->straight.value.ptrval;
uint8_t subtype_a = 0, subtype_b = 0;
int bindtype = parse_binding_target(0, target, padbuttons, mousebuttons, &subtype_a, &subtype_b);
bind_key(keycode, bindtype, subtype_a, subtype_b);
}
process_keys(cur->left, special, padbuttons, mousebuttons, prefix);
process_keys(cur->right, special, padbuttons, mousebuttons, prefix);
if (curstr && len) {
free(curstr);
}
}
void process_speeds(tern_node * cur, char * prefix)
{
char * curstr = NULL;
int len;
if (!cur) {
return;
}
char onec[2];
if (prefix) {
len = strlen(prefix);
curstr = malloc(len + 2);
memcpy(curstr, prefix, len);
} else {
curstr = onec;
len = 0;
}
curstr[len] = cur->el;
curstr[len+1] = 0;
if (cur->el) {
process_speeds(cur->straight.next, curstr);
} else {
char *end;
long speed_index = strtol(curstr, &end, 10);
if (speed_index < 0 || end == curstr || *end) {
warning("%s is not a valid speed index", curstr);
} else {
if (speed_index >= num_speeds) {
speeds = realloc(speeds, sizeof(uint32_t) * (speed_index+1));
for(; num_speeds < speed_index + 1; num_speeds++) {
speeds[num_speeds] = 0;
}
}
speeds[speed_index] = atoi(cur->straight.value.ptrval);
if (speeds[speed_index] < 1) {
warning("%s is not a valid speed percentage, setting speed %d to 100", cur->straight.value.ptrval, speed_index);
speeds[speed_index] = 100;
}
}
}
process_speeds(cur->left, prefix);
process_speeds(cur->right, prefix);
if (curstr && len) {
free(curstr);
}
}
typedef struct {
tern_node *padbuttons;
tern_node *mousebuttons;
int mouseidx;
} pmb_state;
void process_mouse_button(char *buttonstr, tern_val value, uint8_t valtype, void *data)
{
pmb_state *state = data;
int buttonnum = atoi(buttonstr);
if (buttonnum < 1 || buttonnum > MAX_MOUSE_BUTTONS) {
warning("Mouse button %s is out of the supported range of 1-8\n", buttonstr);
return;
}
if (valtype != TVAL_PTR) {
warning("Mouse button %s is not a scalar value!\n", buttonstr);
return;
}
buttonnum--;
uint8_t subtype_a = 0, subtype_b = 0;
int bindtype = parse_binding_target(state->mouseidx, value.ptrval, state->padbuttons, state->mousebuttons, &subtype_a, &subtype_b);
mice[state->mouseidx].buttons[buttonnum].bind_type = bindtype;
mice[state->mouseidx].buttons[buttonnum].subtype_a = subtype_a;
mice[state->mouseidx].buttons[buttonnum].subtype_b = subtype_b;
}
void process_mouse(char *mousenum, tern_val value, uint8_t valtype, void *data)
{
tern_node **buttonmaps = data;
if (valtype != TVAL_NODE) {
warning("Binding for mouse %s is a scalar!\n", mousenum);
return;
}
tern_node *mousedef = value.ptrval;
tern_node *padbuttons = buttonmaps[0];
tern_node *mousebuttons = buttonmaps[1];
int mouseidx = atoi(mousenum);
if (mouseidx < 0 || mouseidx >= MAX_MICE) {
warning("Mouse numbers must be between 0 and %d, but %d is not\n", MAX_MICE, mouseidx);
return;
}
char *motion = tern_find_ptr(mousedef, "motion");
if (motion) {
uint8_t subtype_a = 0, subtype_b = 0;
int bindtype = parse_binding_target(mouseidx, motion, padbuttons, mousebuttons, &subtype_a, &subtype_b);
mice[mouseidx].motion.bind_type = bindtype;
mice[mouseidx].motion.subtype_a = subtype_a;
mice[mouseidx].motion.subtype_b = subtype_b;
}
tern_node *buttons = tern_find_path(mousedef, "buttons\0\0", TVAL_NODE).ptrval;
if (buttons) {
pmb_state state = {padbuttons, mousebuttons, mouseidx};
tern_foreach(buttons, process_mouse_button, &state);
}
}
typedef struct {
int padnum;
tern_node *padbuttons;
tern_node *mousebuttons;
} pad_button_state;
static long map_warning_pad = -1;
void process_pad_button(char *key, tern_val val, uint8_t valtype, void *data)
{
pad_button_state *state = data;
int hostpadnum = state->padnum;
if (valtype != TVAL_PTR) {
warning("Pad button %s has a non-scalar value\n", key);
return;
}
uint8_t subtype_a = 0, subtype_b = 0;
int bindtype = parse_binding_target(hostpadnum, val.ptrval, state->padbuttons, state->mousebuttons, &subtype_a, &subtype_b);
char *end;
long hostbutton = strtol(key, &end, 10);
if (*end) {
//key is not a valid base 10 integer
hostbutton = render_translate_input_name(hostpadnum, key, 0);
if (hostbutton < 0) {
if (hostbutton == RENDER_INVALID_NAME) {
warning("%s is not a valid gamepad input name\n", key);
} else if (hostbutton == RENDER_NOT_MAPPED && hostpadnum != map_warning_pad) {
debug_message("No SDL 2 mapping exists for input %s on gamepad %d\n", key, hostpadnum);
map_warning_pad = hostpadnum;
}
return;
}
if (hostbutton & RENDER_DPAD_BIT) {
bind_dpad(hostpadnum, render_dpad_part(hostbutton), render_direction_part(hostbutton), bindtype, subtype_a, subtype_b);
return;
} else if (hostbutton & RENDER_AXIS_BIT) {
bind_axis(hostpadnum, render_axis_part(hostbutton), hostbutton & RENDER_AXIS_POS, bindtype, subtype_a, subtype_b);
return;
}
}
bind_button(hostpadnum, hostbutton, bindtype, subtype_a, subtype_b);
}
void process_pad_axis(char *key, tern_val val, uint8_t valtype, void *data)
{
key = strdup(key);
pad_button_state *state = data;
int hostpadnum = state->padnum;
if (valtype != TVAL_PTR) {
warning("Mapping for axis %s has a non-scalar value", key);
return;
}
uint8_t subtype_a = 0, subtype_b = 0;
int bindtype = parse_binding_target(hostpadnum, val.ptrval, state->padbuttons, state->mousebuttons, &subtype_a, &subtype_b);
char *modifier = strchr(key, '.');
int positive = 1;
if (modifier) {
*modifier = 0;
modifier++;
if (!strcmp("negative", modifier)) {
positive = 0;
} else if(strcmp("positive", modifier)) {
warning("Invalid axis modifier %s for axis %s on pad %d\n", modifier, key, hostpadnum);
}
}
char *end;
long axis = strtol(key, &end, 10);
if (*end) {
//key is not a valid base 10 integer
axis = render_translate_input_name(hostpadnum, key, 1);
if (axis < 0) {
if (axis == RENDER_INVALID_NAME) {
warning("%s is not a valid gamepad input name\n", key);
} else if (axis == RENDER_NOT_MAPPED && hostpadnum != map_warning_pad) {
debug_message("No SDL 2 mapping exists for input %s on gamepad %d\n", key, hostpadnum);
map_warning_pad = hostpadnum;
}
goto done;
}
if (axis & RENDER_DPAD_BIT) {
bind_dpad(hostpadnum, render_dpad_part(axis), render_direction_part(axis), bindtype, subtype_a, subtype_b);
goto done;
} else if (axis & RENDER_AXIS_BIT) {
axis = render_axis_part(axis);
} else {
bind_button(hostpadnum, axis, bindtype, subtype_a, subtype_b);
goto done;
}
}
bind_axis(hostpadnum, axis, positive, bindtype, subtype_a, subtype_b);
done:
free(key);
return;
}
static tern_node *get_pad_buttons()
{
static tern_node *padbuttons;
if (!padbuttons) {
padbuttons = tern_insert_int(NULL, ".up", DPAD_UP);
padbuttons = tern_insert_int(padbuttons, ".down", DPAD_DOWN);
padbuttons = tern_insert_int(padbuttons, ".left", DPAD_LEFT);
padbuttons = tern_insert_int(padbuttons, ".right", DPAD_RIGHT);
padbuttons = tern_insert_int(padbuttons, ".a", BUTTON_A);
padbuttons = tern_insert_int(padbuttons, ".b", BUTTON_B);
padbuttons = tern_insert_int(padbuttons, ".c", BUTTON_C);
padbuttons = tern_insert_int(padbuttons, ".x", BUTTON_X);
padbuttons = tern_insert_int(padbuttons, ".y", BUTTON_Y);
padbuttons = tern_insert_int(padbuttons, ".z", BUTTON_Z);
padbuttons = tern_insert_int(padbuttons, ".start", BUTTON_START);
padbuttons = tern_insert_int(padbuttons, ".mode", BUTTON_MODE);
}
return padbuttons;
}
static tern_node *get_mouse_buttons()
{
static tern_node *mousebuttons;
if (!mousebuttons) {
mousebuttons = tern_insert_int(NULL, ".left", MOUSE_LEFT);
mousebuttons = tern_insert_int(mousebuttons, ".middle", MOUSE_MIDDLE);
mousebuttons = tern_insert_int(mousebuttons, ".right", MOUSE_RIGHT);
mousebuttons = tern_insert_int(mousebuttons, ".start", MOUSE_START);
mousebuttons = tern_insert_int(mousebuttons, ".motion", PSEUDO_BUTTON_MOTION);
}
return mousebuttons;
}
tern_node *get_binding_node_for_pad(int padnum)
{
if (padnum > MAX_JOYSTICKS) {
return NULL;
}
tern_node * pads = tern_find_path(config, "bindings\0pads\0", TVAL_NODE).ptrval;
if (!pads) {
return NULL;
}
char numstr[11];
sprintf(numstr, "%d", padnum);
tern_node * pad = tern_find_node(pads, numstr);
if (!pad) {
char *type_id = render_joystick_type_id(padnum);
pad = tern_find_node(pads, type_id);
free(type_id);
}
if (!pad) {
controller_info info = get_controller_info(padnum);
char *key = make_controller_type_key(&info);
pad = tern_find_node(pads, key);
free(key);
}
if (!pad) {
pad = tern_find_node(pads, "default");
}
return pad;
}
void handle_joy_added(int joystick)
{
tern_node *pad = get_binding_node_for_pad(joystick);
if (!pad) {
return;
}
tern_node * dpad_node = tern_find_node(pad, "dpads");
if (dpad_node) {
for (int dpad = 0; dpad < 10; dpad++)
{
char numstr[2] = {dpad + '0', 0};
tern_node * pad_dpad = tern_find_node(dpad_node, numstr);
char * dirs[] = {"up", "down", "left", "right"};
char *render_dirs[] = {"dpup", "dpdown", "dpleft", "dpright"};
int dirnums[] = {RENDER_DPAD_UP, RENDER_DPAD_DOWN, RENDER_DPAD_LEFT, RENDER_DPAD_RIGHT};
for (int dir = 0; dir < sizeof(dirs)/sizeof(dirs[0]); dir++) {
char * target = tern_find_ptr(pad_dpad, dirs[dir]);
if (target) {
uint8_t subtype_a = 0, subtype_b = 0;
int bindtype = parse_binding_target(joystick, target, get_pad_buttons(), get_mouse_buttons(), &subtype_a, &subtype_b);
int32_t hostbutton = dpad >0 ? -1 : render_translate_input_name(joystick, render_dirs[dir], 0);
if (hostbutton < 0) {
//assume this is a raw dpad mapping
bind_dpad(joystick, dpad, dirnums[dir], bindtype, subtype_a, subtype_b);