Mercurial > repos > blastem
diff bindings.c @ 1583:430dd12e4010
Refactor to split device bindings from IO emulation code
author | Michael Pavone <pavone@retrodev.com> |
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date | Sat, 05 May 2018 23:30:40 -0700 |
parents | |
children | ea687ca7d845 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/bindings.c Sat May 05 23:30:40 2018 -0700 @@ -0,0 +1,1000 @@ +#include "render.h" +#include "system.h" +#include "io.h" +#include "blastem.h" +#include "saves.h" +#include "util.h" +#include "genesis.h" +#include "menu.h" +#include "bindings.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_DEBUG_PAL_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_EXIT +} 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; + } + } +} + +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 uint8_t ui_debug_mode = 0; +static uint8_t ui_debug_pal = 0; + +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 + +void handle_binding_up(keybinding * binding) +{ + switch(binding->bind_type) + { + case BIND_GAMEPAD: + if (current_system && current_system->gamepad_up) { + current_system->gamepad_up(current_system, binding->subtype_a, binding->subtype_b); + } + break; + case BIND_MOUSE: + if (current_system && 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: + current_system->inc_debug_mode(current_system); + break; + case UI_DEBUG_PAL_INC: + current_system->inc_debug_pal(current_system); + break; + case UI_ENTER_DEBUGGER: + current_system->enter_debugger = 1; + break; + case UI_SAVE_STATE: + current_system->save_state = QUICK_SAVE_SLOT+1; + break; + case UI_NEXT_SPEED: + 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: + 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 (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 (current_system && current_system->has_keyboard) { + keyboard_captured = !keyboard_captured; + } + break; + case UI_TOGGLE_FULLSCREEN: + render_toggle_fullscreen(); + break; + case UI_SOFT_RESET: + current_system->soft_reset(current_system); + break; + case UI_RELOAD: + reload_media(); + break; + case UI_SMS_PAUSE: + if (current_system && current_system->gamepad_down) { + current_system->gamepad_down(current_system, GAMEPAD_MAIN_UNIT, MAIN_UNIT_PAUSE); + } + break; + case UI_SCREENSHOT: { + char *screenshot_base = tern_find_path(config, "ui\0screenshot_path\0", TVAL_PTR).ptrval; + if (!screenshot_base) { + screenshot_base = "$HOME"; + } + tern_node *vars = tern_insert_ptr(NULL, "HOME", get_home_dir()); + vars = tern_insert_ptr(vars, "EXEDIR", get_exe_dir()); + screenshot_base = replace_vars(screenshot_base, vars, 1); + tern_free(vars); + time_t now = time(NULL); + struct tm local_store; + char fname_part[256]; + char *template = tern_find_path(config, "ui\0screenshot_template\0", TVAL_PTR).ptrval; + if (!template) { + template = "blastem_%c.ppm"; + } + strftime(fname_part, sizeof(fname_part), template, localtime_r(&now, &local_store)); + char const *parts[] = {screenshot_base, PATH_SEP, fname_part}; + char *path = alloc_concat_m(3, parts); + free(screenshot_base); + render_save_screenshot(path); + break; + } + case UI_EXIT: +#ifndef DISABLE_NUKLEAR + if (is_nuklear_active()) { + show_pause_menu(); + } else { +#endif + current_system->request_exit(current_system); + 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; + } + 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(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 (!strncmp(target, "gamepads.", gpadslen)) { + if (target[gpadslen] >= '1' && target[gpadslen] <= '8') { + int padnum = target[gpadslen] - '0'; + 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(!strncmp(target, "mouse.", mouselen)) { + if (target[mouselen] >= '1' && target[mouselen] <= '8') { + int mousenum = target[mouselen] - '0'; + 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(!strncmp(target, "ui.", strlen("ui."))) { + if (!strcmp(target + 3, "vdp_debug_mode")) { + *subtype_a = UI_DEBUG_MODE_INC; + } else if(!strcmp(target + 3, "vdp_debug_pal")) { + *subtype_a = UI_DEBUG_PAL_INC; + } 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(!strncmp(target + 3, "set_speed.", strlen("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, "exit")) { + *subtype_a = UI_EXIT; + } 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(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(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(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(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) { + warning("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), 1, 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(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) { + warning("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; +} + +void handle_joy_added(int joystick) +{ + if (joystick > MAX_JOYSTICKS) { + return; + } + tern_node * pads = tern_find_path(config, "bindings\0pads\0", TVAL_NODE).ptrval; + if (pads) { + char numstr[11]; + sprintf(numstr, "%d", joystick); + tern_node * pad = tern_find_node(pads, numstr); + if (pad) { + tern_node * dpad_node = tern_find_node(pad, "dpads"); + if (dpad_node) { + for (int dpad = 0; dpad < 10; dpad++) + { + numstr[0] = dpad + '0'; + numstr[1] = 0; + tern_node * pad_dpad = tern_find_node(dpad_node, numstr); + char * dirs[] = {"up", "down", "left", "right"}; + //TODO: Support controllers that have d-pads implemented as analog axes or buttons + 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(target, get_pad_buttons(), get_mouse_buttons(), &subtype_a, &subtype_b); + bind_dpad(joystick, dpad, dirnums[dir], bindtype, subtype_a, subtype_b); + } + } + } + } + tern_node *button_node = tern_find_node(pad, "buttons"); + if (button_node) { + pad_button_state state = { + .padnum = joystick, + .padbuttons = get_pad_buttons(), + .mousebuttons = get_mouse_buttons() + }; + tern_foreach(button_node, process_pad_button, &state); + } + tern_node *axes_node = tern_find_node(pad, "axes"); + if (axes_node) { + pad_button_state state = { + .padnum = joystick, + .padbuttons = get_pad_buttons(), + .mousebuttons = get_mouse_buttons() + }; + tern_foreach(axes_node, process_pad_axis, &state); + } + } + } + +} + +//only handles keyboards and mice as gamepads are handled on hotplug events +void set_bindings(void) +{ + tern_node * special = tern_insert_int(NULL, "up", RENDERKEY_UP); + special = tern_insert_int(special, "down", RENDERKEY_DOWN); + special = tern_insert_int(special, "left", RENDERKEY_LEFT); + special = tern_insert_int(special, "right", RENDERKEY_RIGHT); + special = tern_insert_int(special, "enter", '\r'); + special = tern_insert_int(special, "space", ' '); + special = tern_insert_int(special, "tab", '\t'); + special = tern_insert_int(special, "backspace", '\b'); + special = tern_insert_int(special, "esc", RENDERKEY_ESC); + special = tern_insert_int(special, "delete", RENDERKEY_DEL); + special = tern_insert_int(special, "lshift", RENDERKEY_LSHIFT); + special = tern_insert_int(special, "rshift", RENDERKEY_RSHIFT); + special = tern_insert_int(special, "lctrl", RENDERKEY_LCTRL); + special = tern_insert_int(special, "rctrl", RENDERKEY_RCTRL); + special = tern_insert_int(special, "lalt", RENDERKEY_LALT); + special = tern_insert_int(special, "ralt", RENDERKEY_RALT); + special = tern_insert_int(special, "home", RENDERKEY_HOME); + special = tern_insert_int(special, "end", RENDERKEY_END); + special = tern_insert_int(special, "pageup", RENDERKEY_PAGEUP); + special = tern_insert_int(special, "pagedown", RENDERKEY_PAGEDOWN); + special = tern_insert_int(special, "f1", RENDERKEY_F1); + special = tern_insert_int(special, "f2", RENDERKEY_F2); + special = tern_insert_int(special, "f3", RENDERKEY_F3); + special = tern_insert_int(special, "f4", RENDERKEY_F4); + special = tern_insert_int(special, "f5", RENDERKEY_F5); + special = tern_insert_int(special, "f6", RENDERKEY_F6); + special = tern_insert_int(special, "f7", RENDERKEY_F7); + special = tern_insert_int(special, "f8", RENDERKEY_F8); + special = tern_insert_int(special, "f9", RENDERKEY_F9); + special = tern_insert_int(special, "f10", RENDERKEY_F10); + special = tern_insert_int(special, "f11", RENDERKEY_F11); + special = tern_insert_int(special, "f12", RENDERKEY_F12); + special = tern_insert_int(special, "select", RENDERKEY_SELECT); + special = tern_insert_int(special, "play", RENDERKEY_PLAY); + special = tern_insert_int(special, "search", RENDERKEY_SEARCH); + special = tern_insert_int(special, "back", RENDERKEY_BACK); + special = tern_insert_int(special, "np0", RENDERKEY_NP0); + special = tern_insert_int(special, "np1", RENDERKEY_NP1); + special = tern_insert_int(special, "np2", RENDERKEY_NP2); + special = tern_insert_int(special, "np3", RENDERKEY_NP3); + special = tern_insert_int(special, "np4", RENDERKEY_NP4); + special = tern_insert_int(special, "np5", RENDERKEY_NP5); + special = tern_insert_int(special, "np6", RENDERKEY_NP6); + special = tern_insert_int(special, "np7", RENDERKEY_NP7); + special = tern_insert_int(special, "np8", RENDERKEY_NP8); + special = tern_insert_int(special, "np9", RENDERKEY_NP9); + special = tern_insert_int(special, "np/", RENDERKEY_NP_DIV); + special = tern_insert_int(special, "np*", RENDERKEY_NP_MUL); + special = tern_insert_int(special, "np-", RENDERKEY_NP_MIN); + special = tern_insert_int(special, "np+", RENDERKEY_NP_PLUS); + special = tern_insert_int(special, "npenter", RENDERKEY_NP_ENTER); + special = tern_insert_int(special, "np.", RENDERKEY_NP_STOP); + + tern_node *padbuttons = get_pad_buttons(); + + tern_node *mousebuttons = get_mouse_buttons(); + + tern_node * keys = tern_find_path(config, "bindings\0keys\0", TVAL_NODE).ptrval; + process_keys(keys, special, padbuttons, mousebuttons, NULL); + + memset(mice, 0, sizeof(mice)); + tern_node * mice = tern_find_path(config, "bindings\0mice\0", TVAL_NODE).ptrval; + if (mice) { + tern_node *buttonmaps[2] = {padbuttons, mousebuttons}; + tern_foreach(mice, process_mouse, buttonmaps); + } + tern_node * speed_nodes = tern_find_path(config, "clocks\0speeds\0", TVAL_NODE).ptrval; + speeds = malloc(sizeof(uint32_t)); + speeds[0] = 100; + process_speeds(speed_nodes, NULL); + for (int i = 0; i < num_speeds; i++) + { + if (!speeds[i]) { + warning("Speed index %d was not set to a valid percentage!", i); + speeds[i] = 100; + } + } +} + +void bindings_set_mouse_mode(uint8_t mode) +{ + mouse_mode = mode; + if (mode == MOUSE_RELATIVE) { + render_relative_mouse(1); + } +}