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keys.cc
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keys.cc
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/*
* Copyright (C) 2001-2022 The Exult Team
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef __GNUC__
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wold-style-cast"
# pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
#endif // __GNUC__
#include <SDL.h>
#ifdef __GNUC__
# pragma GCC diagnostic pop
#endif // __GNUC__
#include "Scroll_gump.h"
#include "U7file.h"
#include "actors.h"
#include "cheat.h"
#include "exult.h"
#include "game.h"
#include "gamewin.h"
#include "keyactions.h"
#include "keys.h"
#include "mouse.h"
#include "ucmachine.h"
#include "utils.h"
using std::atoi;
using std::cerr;
using std::cout;
using std::endl;
using std::ifstream;
using std::isspace;
using std::strchr;
using std::string;
using std::strlen;
static class Chardata { // ctype-like character lists
public:
std::string whitespace;
Chardata() {
for (size_t i = 0; i < 256; i++) {
if (isspace(i)) {
whitespace += static_cast<char>(i);
}
}
}
} chardata;
using ActionFunc = void (*)(const int*);
const struct Action {
const char* s;
ActionFunc func;
ActionFunc func_release;
const char* desc;
enum {
dont_show = 0,
normal_keys,
cheat_keys,
mapedit_keys
} key_type;
Exult_Game game;
bool allow_during_dont_move;
bool allow_if_cant_act;
bool allow_if_cant_act_charmed;
bool is_movement;
} ExultActions[] = {
{ "QUIT", ActionQuit, nullptr,"Quit",Action::normal_keys,NONE,true,
true,true,false },
{ "SAVE_RESTORE", ActionFileGump, nullptr, "Save/restore",
Action::normal_keys, NONE, true, true, true, false },
{ "QUICKSAVE", ActionQuicksave, nullptr, "Quick-save",
Action::normal_keys, NONE, false, true, true, false },
{ "QUICKRESTORE", ActionQuickrestore, nullptr, "Quick-restore",
Action::normal_keys, NONE, true, true, true, false },
{ "ABOUT", ActionAbout, nullptr, "About Exult", Action::normal_keys,
NONE, false, true, true, false },
{ "HELP", ActionHelp, nullptr, "List keys", Action::normal_keys, NONE,
false, true, true, false },
{ "CLOSE_GUMPS", ActionCloseGumps, nullptr, "Close gumps",
Action::dont_show, NONE, false, true, true, false },
{ "CLOSE_OR_MENU", ActionCloseOrMenu, nullptr, "Game menu",
Action::normal_keys, NONE, true, true, true, false },
{ "SCREENSHOT", ActionScreenshot, nullptr, "Take screenshot",
Action::normal_keys, NONE, true, true, true, false },
{ "GAME_MENU", ActionMenuGump, nullptr, "Game Menu", Action::normal_keys,
NONE, true, true, true, false },
{ "OLD_FILE_GUMP", ActionOldFileGump, nullptr, "Save/restore",
Action::normal_keys, NONE, true, true, true, false },
{ "SCALEVAL_INCREASE", ActionScalevalIncrease, nullptr,
"Increase scaleval", Action::mapedit_keys, NONE, true, true, true,
false },
{ "SCALEVAL_DECREASE", ActionScalevalDecrease, nullptr,
"Decrease scaleval", Action::mapedit_keys, NONE, true, true, true,
false },
{ "BRIGHTER", ActionBrighter, nullptr, "Increase brightness",
Action::normal_keys, NONE, true, true, true, false },
{ "DARKER", ActionDarker, nullptr, "Decrease brightness",
Action::normal_keys, NONE, true, true, true, false },
{ "TOGGLE_FULLSCREEN", ActionFullscreen, nullptr, "Toggle fullscreen",
Action::normal_keys, NONE, true, true, true, false },
{ "USEITEM", ActionUseItem, nullptr, "Use item", Action::dont_show, NONE,
false, false, false, false },
{ "USEFOOD", ActionUseFood, nullptr, "Feed", Action::normal_keys, NONE,
false, false, false, false },
{ "CALL_USECODE", ActionCallUsecode, nullptr, "Call Usecode",
Action::dont_show, NONE, false, false, false, false },
{ "TOGGLE_COMBAT", ActionCombat, nullptr, "Toggle combat",
Action::normal_keys, NONE, false, false, true, false },
{ "PAUSE_COMBAT", ActionCombatPause, nullptr, "Pause combat",
Action::normal_keys, NONE, false, false, true, false },
{ "TARGET_MODE", ActionTarget, nullptr, "Target mode",
Action::normal_keys, NONE, false, false, true, false },
{ "INVENTORY", ActionInventory, nullptr, "Show inventory",
Action::normal_keys, NONE, false, false, true, false },
{ "TRY_KEYS", ActionTryKeys, nullptr, "Try keys", Action::normal_keys,
NONE, false, false, false, false },
{ "STATS", ActionStats, nullptr, "Show stats", Action::normal_keys, NONE,
false, true, true, false },
{ "COMBAT_STATS", ActionCombatStats, nullptr, "Show combat stats",
Action::normal_keys, SERPENT_ISLE, false, false, true, false },
{ "FACE_STATS", ActionFaceStats, nullptr, "Change Face Stats State",
Action::normal_keys, NONE, false, true, true, false },
{ "USE_HEALING_ITEMS", ActionUseHealingItems, nullptr,
"Use bandages or healing potions", Action::normal_keys, NONE, false,
false, false, false },
{ "SHOW_SI_INTRO", ActionSIIntro, nullptr, "Show Alternate SI intro",
Action::cheat_keys, SERPENT_ISLE, false, true, true, false },
{ "SHOW_ENDGAME", ActionEndgame, nullptr, "Show endgame",
Action::cheat_keys, NONE, false, true, true, false },
{ "SCROLL_LEFT", ActionScrollLeft, nullptr, "Scroll left",
Action::cheat_keys, NONE, false, true, true, false },
{ "SCROLL_RIGHT", ActionScrollRight, nullptr, "Scroll right",
Action::cheat_keys, NONE, false, true, true, false },
{ "SCROLL_UP", ActionScrollUp, nullptr, "Scroll up", Action::cheat_keys,
NONE, false, true, true, false },
{ "SCROLL_DOWN", ActionScrollDown, nullptr, "Scroll down",
Action::cheat_keys, NONE, false, true, true, false },
{ "WALK_WEST", ActionWalkWest, ActionStopWalking, "Walk west",
Action::normal_keys, NONE, false, false, false, true },
{ "WALK_EAST", ActionWalkEast, ActionStopWalking, "Walk east",
Action::normal_keys, NONE, false, false, false, true },
{ "WALK_NORTH", ActionWalkNorth, ActionStopWalking, "Walk north",
Action::normal_keys, NONE, false, false, false, true },
{ "WALK_SOUTH", ActionWalkSouth, ActionStopWalking, "Walk south",
Action::normal_keys, NONE, false, false, false, true },
{ "WALK_NORTH_EAST", ActionWalkNorthEast, ActionStopWalking,
"Walk north-east", Action::normal_keys, NONE, false, false, false,
true },
{ "WALK_SOUTH_EAST", ActionWalkSouthEast, ActionStopWalking,
"Walk south-east", Action::normal_keys, NONE, false, false, false,
true },
{ "WALK_NORTH_WEST", ActionWalkNorthWest, ActionStopWalking,
"Walk north-west", Action::normal_keys, NONE, false, false, false,
true },
{ "WALK_SOUTH_WEST", ActionWalkSouthWest, ActionStopWalking,
"Walk south-west", Action::normal_keys, NONE, false, false, false,
true },
{ "CENTER_SCREEN", ActionCenter, nullptr, "Center screen",
Action::cheat_keys, NONE, false, true, true, false },
{ "SHAPE_BROWSER", ActionShapeBrowser, nullptr, "Shape browser",
Action::cheat_keys, NONE, false, true, true, false },
{ "SHAPE_BROWSER_HELP", ActionShapeBrowserHelp, nullptr,
"List shape browser keys", Action::cheat_keys, NONE, false, true, true,
false },
{ "CREATE_ITEM", ActionCreateShape, nullptr, "Create last shape",
Action::cheat_keys, NONE, false, true, true, false },
{ "DELETE_OBJECT", ActionDeleteObject, nullptr, "Delete object",
Action::cheat_keys, NONE, false, true, true, false },
{ "TOGGLE_EGGS", ActionToggleEggs, nullptr, "Toggle egg display",
Action::cheat_keys, NONE, false, true, true, false },
{ "TOGGLE_GOD_MODE", ActionGodMode, nullptr, "Toggle god mode",
Action::cheat_keys, NONE, false, true, true, false },
{ "CHANGE_GENDER", ActionGender, nullptr, "Change gender",
Action::cheat_keys, NONE, false, true, true, false },
{ "CHEAT_HELP", ActionCheatHelp, nullptr, "List cheat keys",
Action::cheat_keys, NONE, false, true, true, false },
{ "TOGGLE_INFRAVISION", ActionInfravision, nullptr, "Toggle infravision",
Action::cheat_keys, NONE, false, true, true, false },
{ "TOGGLE_HACK_MOVER", ActionHackMover, nullptr,
"Toggle hack-mover mode", Action::cheat_keys, NONE, false, true, true,
false },
{ "MAP_TELEPORT", ActionMapTeleport, nullptr, "Map teleport",
Action::cheat_keys, NONE, false, true, true, false },
{ "CURSOR_TELEPORT", ActionTeleport, nullptr, "Teleport to cursor",
Action::cheat_keys, NONE, false, true, true, false },
{"TARGET_MODE_TELEPORT", ActionTeleportTargetMode, nullptr,
"Bring up cursor to teleport", Action::cheat_keys, NONE, false, true,
true, false },
{ "NEXT_MAP_TELEPORT", ActionNextMapTeleport, nullptr,
"Teleport to next map", Action::cheat_keys, NONE, false, true, true,
false },
{ "NEXT_TIME_PERIOD", ActionTime, nullptr, "Next time period",
Action::cheat_keys, NONE, false, true, true, false },
{ "TOGGLE_WIZARD_MODE", ActionWizard, nullptr, "Toggle archwizard mode",
Action::cheat_keys, NONE, false, true, true, false },
{ "PARTY_HEAL", ActionHeal, nullptr, "Heal party", Action::cheat_keys,
NONE, false, true, true, false },
{"PARTY_INCREASE_LEVEL", ActionLevelup, nullptr, "Level-up party",
Action::cheat_keys, NONE, false, true, true, false },
{ "CHEAT_SCREEN", ActionCheatScreen, nullptr, "Cheat Screen",
Action::cheat_keys, NONE, true, true, true, false },
{ "PICK_POCKET", ActionPickPocket, nullptr, "Toggle Pick Pocket",
Action::cheat_keys, NONE, false, true, true, false },
{ "NPC_NUMBERS", ActionNPCNumbers, nullptr, "Toggle NPC Numbers",
Action::cheat_keys, NONE, false, true, true, false },
{ "GRAB_ACTOR", ActionGrabActor, nullptr, "Grab NPC for Cheat Screen",
Action::cheat_keys, NONE, false, true, true, false },
{ "PLAY_MUSIC", ActionPlayMusic, nullptr, "Play song",
Action::cheat_keys, NONE, false, true, true, false },
{ "TOGGLE_NAKED", ActionNaked, nullptr, "Toggle naked mode",
Action::cheat_keys, SERPENT_ISLE, false, true, true, false },
{ "TOGGLE_PETRA", ActionPetra, nullptr, "Toggle Petra mode",
Action::cheat_keys, SERPENT_ISLE, false, true, true, false },
{ "CHANGE_SKIN", ActionSkinColour, nullptr, "Change skin colour",
Action::cheat_keys, NONE, false, true, true, false },
{ "NOTEBOOK", ActionNotebook, nullptr, "Show notebook",
Action::normal_keys, NONE, false, false, false, false },
{ "SOUND_TESTER", ActionSoundTester, nullptr, "Sound tester",
Action::cheat_keys, NONE, false, true, true, false },
{ "TEST", ActionTest, nullptr, "Test", Action::dont_show, NONE, false,
true, true, false },
{ "MAPEDIT_HELP", ActionMapeditHelp, nullptr, "List mapedit keys",
Action::mapedit_keys, NONE, false, true, true, false},
{ "TOGGLE_MAP_EDITOR", ActionMapEditor, nullptr,
"Toggle map-editor mode", Action::mapedit_keys, NONE, true, true, true,
false },
{ "SKIPLIFT_DECREMENT", ActionSkipLift, nullptr, "Decrement skiplift",
Action::mapedit_keys, NONE, false, true, true, false},
{ "CUT", ActionCut, nullptr, "Cut Selected Objects",
Action::mapedit_keys, NONE, true, true, true, false},
{ "COPY", ActionCopy, nullptr, "Copy Selected Objects",
Action::mapedit_keys, NONE, true, true, true, false},
{ "PASTE", ActionPaste, nullptr, "Paste Selected Objects",
Action::mapedit_keys, NONE, true, true, true, false},
{ "DELETE_SELECTED", ActionDeleteSelected, nullptr, "Delete selected",
Action::mapedit_keys, NONE, true, true, true, false},
{ "MOVE_SELECTED", ActionMoveSelected, nullptr, "Move selected",
Action::mapedit_keys, NONE, true, true, true, false},
{ "WRITE_MINIMAP", ActionWriteMiniMap, nullptr, "Write minimap",
Action::mapedit_keys, NONE, false, true, true, false},
{ "REPAINT", ActionRepaint, nullptr, "Repaint screen", Action::dont_show,
NONE, true, true, true, false },
{ "", nullptr, nullptr, "", Action::dont_show, NONE, false, false, false,
false } // terminator
};
const struct {
const char* s;
SDL_Keycode k;
} SDLKeyStringTable[] = {
{"BACKSPACE", SDLK_BACKSPACE},
{ "TAB", SDLK_TAB},
{ "ENTER", SDLK_RETURN},
{ "PAUSE", SDLK_PAUSE},
{ "ESC", SDLK_ESCAPE},
{ "SPACE", SDLK_SPACE},
{ "DEL", SDLK_DELETE},
{ "KP0", SDLK_KP_0},
{ "KP1", SDLK_KP_1},
{ "KP2", SDLK_KP_2},
{ "KP3", SDLK_KP_3},
{ "KP4", SDLK_KP_4},
{ "KP5", SDLK_KP_5},
{ "KP6", SDLK_KP_6},
{ "KP7", SDLK_KP_7},
{ "KP8", SDLK_KP_8},
{ "KP9", SDLK_KP_9},
{ "KP0", SDLK_KP_0},
{ "KP.", SDLK_KP_PERIOD},
{ "KP/", SDLK_KP_DIVIDE},
{ "KP*", SDLK_KP_MULTIPLY},
{ "KP-", SDLK_KP_MINUS},
{ "KP+", SDLK_KP_PLUS},
{ "KP_ENTER", SDLK_KP_ENTER},
{ "UP", SDLK_UP},
{ "DOWN", SDLK_DOWN},
{ "RIGHT", SDLK_RIGHT},
{ "LEFT", SDLK_LEFT},
{ "INSERT", SDLK_INSERT},
{ "HOME", SDLK_HOME},
{ "END", SDLK_END},
{ "PAGEUP", SDLK_PAGEUP},
{ "PAGEDOWN", SDLK_PAGEDOWN},
{ "F1", SDLK_F1},
{ "F2", SDLK_F2},
{ "F3", SDLK_F3},
{ "F4", SDLK_F4},
{ "F5", SDLK_F5},
{ "F6", SDLK_F6},
{ "F7", SDLK_F7},
{ "F8", SDLK_F8},
{ "F9", SDLK_F9},
{ "F10", SDLK_F10},
{ "F11", SDLK_F11},
{ "F12", SDLK_F12},
{ "F13", SDLK_F13},
{ "F14", SDLK_F14},
{ "F15", SDLK_F15},
{ "", SDLK_UNKNOWN} // terminator
};
using ParseKeyMap = std::map<std::string, SDL_Keycode>;
using ParseActionMap = std::map<std::string, const Action*>;
static ParseKeyMap keys;
static ParseActionMap actions;
KeyBinder::KeyBinder() {
FillParseMaps();
}
void KeyBinder::AddKeyBinding(
SDL_Keycode key, int mod, const Action* action, int nparams,
const int* params) {
SDL_Keysym k;
ActionType a;
k.scancode = static_cast<SDL_Scancode>(0);
k.sym = key;
k.mod = static_cast<SDL_Keymod>(mod);
a.action = action;
int i; // For MSVC
for (i = 0; i < c_maxparams && i < nparams; i++) {
a.params[i] = params[i];
}
for (i = nparams; i < c_maxparams; i++) {
a.params[i] = -1;
}
bindings[k] = a;
}
bool KeyBinder::DoAction(const ActionType& a, bool press) const {
if (!cheat()
&& (a.action->key_type == Action::cheat_keys
|| a.action->key_type == Action::mapedit_keys)) {
return true;
}
if (a.action->game != NONE && a.action->game != Game::get_game_type()) {
return true;
}
// Restrict key actions in dont_move mode
if (!a.action->allow_during_dont_move
&& Game_window::get_instance()->main_actor_dont_move()) {
return true;
}
// Restrict keys if avatar is sleeping/paralyzed/unconscious/dead
if (!a.action->allow_if_cant_act
&& !Game_window::get_instance()->main_actor_can_act()) {
return true;
}
if (!a.action->allow_if_cant_act_charmed
&& !Game_window::get_instance()->main_actor_can_act_charmed()) {
return true;
}
if (press) {
#ifndef USE_EXULTSTUDIO
// Display unsupported message if no ES support.
if (a.action->key_type == Action::mapedit_keys) {
Scroll_gump* scroll;
scroll = new Scroll_gump();
scroll->add_text("Map editor functionality is disabled in this "
"version of Exult.\n");
scroll->add_text("If you want or need this functionality, you "
"should install a snapshot, as they have support "
"for Exult Studio.\n");
scroll->add_text("If no snapshots are available for your platform, "
"you will have to compile it on your own.\n");
scroll->paint();
do {
int x, y;
Get_click(x, y, Mouse::hand, nullptr, false, scroll);
} while (scroll->show_next_page());
Game_window::get_instance()->paint();
delete scroll;
return true;
}
#endif
a.action->func(a.params);
} else {
#ifndef USE_EXULTSTUDIO
// Do nothing when releasing mapedit keys if no ES support.
if (a.action->key_type == Action::mapedit_keys) {
return true;
}
#endif
if (a.action->func_release != nullptr) {
a.action->func_release(a.params);
}
}
return true;
}
KeyMap::const_iterator KeyBinder::TranslateEvent(const SDL_Event& ev) const {
SDL_Keysym key = ev.key.keysym;
if (ev.type != SDL_KEYDOWN && ev.type != SDL_KEYUP) {
return bindings.end();
}
key.mod = KMOD_NONE;
if (ev.key.keysym.mod & KMOD_SHIFT) {
key.mod = static_cast<SDL_Keymod>(key.mod | KMOD_SHIFT);
}
if (ev.key.keysym.mod & KMOD_CTRL) {
key.mod = static_cast<SDL_Keymod>(key.mod | KMOD_CTRL);
}
#ifdef MACOSX
// map Meta to Alt on OS X
if (ev.key.keysym.mod & KMOD_GUI) {
key.mod = static_cast<SDL_Keymod>(key.mod | KMOD_ALT);
}
#else
if (ev.key.keysym.mod & KMOD_ALT) {
key.mod = static_cast<SDL_Keymod>(key.mod | KMOD_ALT);
}
#endif
return bindings.find(key);
}
bool KeyBinder::HandleEvent(const SDL_Event& ev) const {
auto sdlkey_index = TranslateEvent(ev);
if (sdlkey_index != bindings.end()) {
return DoAction(sdlkey_index->second, ev.type == SDL_KEYDOWN);
}
return false;
}
bool KeyBinder::IsMotionEvent(const SDL_Event& ev) const {
auto sdlkey_index = TranslateEvent(ev);
if (sdlkey_index == bindings.end()) {
return false;
}
const ActionType& act = sdlkey_index->second;
return act.action->is_movement;
}
void KeyBinder::ShowHelp() const {
Scroll_gump* scroll;
scroll = new Scroll_gump();
for (const auto& iter : keyhelp) {
scroll->add_text(iter.c_str());
}
scroll->paint();
do {
int x;
int y;
Get_click(x, y, Mouse::hand, nullptr, false, scroll);
} while (scroll->show_next_page());
Game_window::get_instance()->paint();
delete scroll;
}
void KeyBinder::ShowCheatHelp() const {
Scroll_gump* scroll;
scroll = new Scroll_gump();
for (const auto& iter : cheathelp) {
scroll->add_text(iter.c_str());
}
scroll->paint();
do {
int x;
int y;
Get_click(x, y, Mouse::hand, nullptr, false, scroll);
} while (scroll->show_next_page());
Game_window::get_instance()->paint();
delete scroll;
}
void KeyBinder::ShowMapeditHelp() const {
Scroll_gump* scroll;
scroll = new Scroll_gump();
for (const auto& iter : mapedithelp) {
scroll->add_text(iter.c_str());
}
scroll->paint();
do {
int x;
int y;
Get_click(x, y, Mouse::hand, nullptr, false, scroll);
} while (scroll->show_next_page());
Game_window::get_instance()->paint();
delete scroll;
}
void KeyBinder::ShowBrowserKeys() const {
auto* scroll = new Scroll_gump();
scroll->add_text("Esc - Exits the shape browser");
scroll->add_text("down - Increase shape by 1");
scroll->add_text("S - Increase shape by 1");
scroll->add_text("up - Decrease shape by 1");
scroll->add_text("Shift-S - Decrease shape by 1");
scroll->add_text("Page down - Increase shape by 20");
scroll->add_text("J - Increase shape by 20");
scroll->add_text("Page up - Decrease shape by 20");
scroll->add_text("Shift-J - Decrease shape by 20");
scroll->add_text("right - Increase frame by 1");
scroll->add_text("F - Increase frame by 1");
scroll->add_text("left - Decrease frame by 1");
scroll->add_text("Shift-F - Decrease frame by 1");
scroll->add_text("V - Increase vga file by 1");
scroll->add_text("Shift-V - Decrease vga file by 1");
scroll->add_text("P - Increase palette by 1");
scroll->add_text("Shift-P - Decrease palette by 1");
scroll->add_text("X - Increase xform by 1");
scroll->add_text("Shift-X - Decrease xform by 1");
char returned_key[200];
if (last_created_key.empty()) {
strcpy(returned_key, "Error: No key assigned");
} else {
strcpy(returned_key, ""); // prevent garbage text
int extra_keys = 0;
for (const auto& iter : last_created_key) {
if (extra_keys >= 5) {
continue;
} else if (extra_keys > 0) {
strcat(returned_key, " or ");
}
strcat(returned_key, iter.c_str());
extra_keys += 1;
}
}
strcat(returned_key, " - when pressed in game will create the last shape "
"viewed in shapes.vga.");
scroll->add_text(returned_key);
scroll->paint();
do {
int x;
int y;
Get_click(x, y, Mouse::hand, nullptr, false, scroll);
} while (scroll->show_next_page());
Game_window::get_instance()->paint();
delete scroll;
}
void KeyBinder::ParseText(char* text, int len) {
char* ptr;
char* end;
const char LF = '\n';
ptr = text;
// last (useful) line must end with LF
while ((ptr - text) < len && (end = strchr(ptr, LF)) != nullptr) {
*end = '\0';
ParseLine(ptr);
ptr = end + 1;
}
}
static void skipspace(string& s) {
const size_t i = s.find_first_not_of(chardata.whitespace);
if (i && i != string::npos) {
s.erase(0, i);
}
}
void KeyBinder::ParseLine(char* line) {
size_t i;
SDL_Keysym k;
ActionType a;
k.sym = SDLK_UNKNOWN;
k.mod = KMOD_NONE;
string s = line;
string u;
string desc;
string keycode;
bool show;
skipspace(s);
// comments and empty lines
if (s.length() == 0 || s[0] == '#') {
return;
}
u = s;
to_uppercase(u);
// get key
while (s.length() && !isspace(static_cast<unsigned char>(s[0]))) {
// check modifiers
// if (u.compare("ALT-",0,4) == 0) {
if (u.substr(0, 4) == "ALT-") {
k.mod = static_cast<SDL_Keymod>(k.mod | KMOD_ALT);
s.erase(0, 4);
u.erase(0, 4);
// } else if (u.compare("CTRL-",0,5) == 0) {
} else if (u.substr(0, 5) == "CTRL-") {
k.mod = static_cast<SDL_Keymod>(k.mod | KMOD_CTRL);
s.erase(0, 5);
u.erase(0, 5);
// } else if (u.compare("SHIFT-",0,6) == 0) {
} else if (u.substr(0, 6) == "SHIFT-") {
k.mod = static_cast<SDL_Keymod>(k.mod | KMOD_SHIFT);
s.erase(0, 6);
u.erase(0, 6);
} else {
i = s.find_first_of(chardata.whitespace);
keycode = s.substr(0, i);
s.erase(0, i);
string t(keycode);
to_uppercase(t);
if (t.length() == 0) {
cerr << "Keybinder: parse error in line: " << s << endl;
return;
} else if (t.length() == 1) {
// translate 1-letter keys straight to SDL_Keycode
auto c = static_cast<unsigned char>(t[0]);
if (std::isgraph(c) && c != '%' && c != '{' && c != '|'
&& c != '}' && c != '~') {
c = std::tolower(c); // need lowercase
k.sym = static_cast<SDL_Keycode>(c);
} else {
cerr << "Keybinder: unsupported key: " << keycode << endl;
}
} else {
// lookup in table
auto key_index = keys.find(t);
if (key_index != keys.end()) {
k.sym = key_index->second;
} else {
cerr << "Keybinder: unsupported key: " << keycode << endl;
return;
}
}
}
}
if (k.sym == SDLK_UNKNOWN) {
cerr << "Keybinder: parse error in line: " << s << endl;
return;
}
// get function
skipspace(s);
i = s.find_first_of(chardata.whitespace);
string t = s.substr(0, i);
s.erase(0, i);
to_uppercase(t);
auto action_index = actions.find(t);
if (action_index != actions.end()) {
a.action = action_index->second;
} else {
cerr << "Keybinder: unsupported action: " << t << endl;
return;
}
// get params
skipspace(s);
int np = 0;
// Special case.
if (!strcmp(a.action->s, "CALL_USECODE")) {
// Want to allow function name.
if (s.length() && s[0] != '#') {
i = s.find_first_of(chardata.whitespace);
const string t = s.substr(0, i);
s.erase(0, i);
skipspace(s);
int p = atoi(t.c_str());
if (!p) {
// No conversion? Try as function name.
Usecode_machine* usecode
= Game_window::get_instance()->get_usecode();
p = usecode->find_function(t.c_str());
} else if (p < 0) {
p = -1;
}
a.params[np++] = p;
}
}
while (s.length() && s[0] != '#' && np < c_maxparams) {
i = s.find_first_of(chardata.whitespace);
const string t = s.substr(0, i);
s.erase(0, i);
skipspace(s);
const int p = atoi(t.c_str());
a.params[np++] = p;
}
// read optional help comment
if (s.length() >= 1 && s[0] == '#') {
if (s.length() >= 2 && s[1] == '-') {
show = false;
} else {
s.erase(0, 1);
skipspace(s);
// Always show if there is a comment.
show = true;
}
} else {
// Action::dont_show doesn't have default display names, so do not
// show them if they don't have a comment.
s = a.action->desc;
show = a.action->key_type != Action::dont_show;
}
if (show) {
desc = "";
if (k.mod & KMOD_CTRL) {
desc += "Ctrl-";
}
#ifdef MACOSX
if (k.mod & KMOD_ALT) {
desc += "Cmd-";
}
#else
if (k.mod & KMOD_ALT) {
desc += "Alt-";
}
#endif
if (k.mod & KMOD_SHIFT) {
desc += "Shift-";
}
desc += keycode;
if (!strcmp(a.action->s, "CREATE_ITEM") && a.params[0] == -1) {
last_created_key.push_back(desc);
}
desc += " - " + s;
// add to help list
if (a.action->key_type == Action::cheat_keys) {
cheathelp.push_back(desc);
} else if (a.action->key_type == Action::mapedit_keys) {
mapedithelp.push_back(desc);
} else { // Either Action::normal_keys or Action::dont_show with
// comment.
keyhelp.push_back(desc);
}
}
// bind key
AddKeyBinding(k.sym, k.mod, a.action, np, a.params);
}
void KeyBinder::LoadFromFileInternal(const char* filename) {
auto pKeyfile = U7open_in(filename, true);
if (!pKeyfile) {
return;
}
auto& keyfile = *pKeyfile;
char temp[1024]; // 1024 should be long enough
while (!keyfile.eof()) {
keyfile.getline(temp, 1024);
if (keyfile.gcount() >= 1023) {
cerr << "Keybinder: parse error: line too long. Skipping rest of "
"file."
<< endl;
return;
}
ParseLine(temp);
}
}
void KeyBinder::LoadFromFile(const char* filename) {
Flush();
cout << "Loading keybindings from file " << filename << endl;
LoadFromFileInternal(filename);
}
void KeyBinder::LoadFromPatch() {
if (U7exists(PATCH_KEYS)) {
cout << "Loading patch keybindings" << endl;
LoadFromFileInternal(PATCH_KEYS);
}
}
void KeyBinder::LoadDefaults() {
Flush();
cout << "Loading default keybindings" << endl;
const str_int_pair& resource = game->get_resource("config/defaultkeys");
const U7object txtobj(resource.str, resource.num);
size_t len;
auto txt = txtobj.retrieve(len);
if (txt && len > 0) {
ParseText(reinterpret_cast<char*>(txt.get()), len);
}
}
// codes used in keybindings-files. (use uppercase here)
void KeyBinder::FillParseMaps() {
int i; // For MSVC
for (i = 0; strlen(SDLKeyStringTable[i].s) > 0; i++) {
keys[SDLKeyStringTable[i].s] = SDLKeyStringTable[i].k;
}
for (i = 0; strlen(ExultActions[i].s) > 0; i++) {
actions[ExultActions[i].s] = &(ExultActions[i]);
}
}