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lsnes/SDL/window-sdl.cpp
Ilari Liusvaara 83db3a0834 Various fixups from trying to compile this for win32
2011-09-21 02:58:15 +03:00

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#include "window.hpp"
#include "render.hpp"
#include "command.hpp"
#include "misc.hpp"
#include "lsnes.hpp"
#include "settings.hpp"
#include <vector>
#include <iostream>
#include <csignal>
#include "keymapper.hpp"
#include "framerate.hpp"
#include <sstream>
#include <fstream>
#include <cassert>
#define WATCHDOG_TIMEOUT 15
#define MAXMESSAGES 6
#define MSGHISTORY 1000
#define MAXHISTORY 1000
#define JOYTHRESHOLD 3200
#include <SDL.h>
#include <string>
#include <map>
#include <stdexcept>
#define SDL_DEV_NONE 0
#define SDL_DEV_KEYBOARD 1
#define SDL_DEV_JOYAXIS 2
#define SDL_DEV_JOYBUTTON 3
#define SDL_DEV_JOYHAT 4
// Limit the emulator to ~30fps.
#define MIN_UPDATE_TIME 33
namespace
{
bool wait_canceled;
SDL_TimerID tid;
void sigalrm_handler(int s)
{
_exit(1);
}
Uint32 timer_cb(Uint32 interval, void* param)
{
SDL_Event e;
e.type = SDL_USEREVENT;
e.user.code = 0;
SDL_PushEvent(&e);
return interval;
}
struct sdl_modifier
{
const char* name;
const char* linkname;
unsigned sdlvalue;
} modifiers_table[] = {
{ "ctrl", NULL, 0 },
{ "lctrl", "ctrl", KMOD_LCTRL },
{ "rctrl", "ctrl", KMOD_RCTRL },
{ "alt", NULL, 0 },
{ "lalt", "alt", KMOD_LALT },
{ "ralt", "alt", KMOD_RALT },
{ "shift", NULL, 0 },
{ "lshift", "shift", KMOD_LSHIFT },
{ "rshift", "shift", KMOD_RSHIFT },
{ "meta", NULL, 0 },
{ "lmeta", "meta", KMOD_LMETA },
{ "rmeta", "meta", KMOD_RMETA },
{ "num", NULL, KMOD_NUM },
{ "caps", NULL, KMOD_CAPS },
{ "mode", NULL, KMOD_MODE },
{ NULL, NULL, 0 }
};
struct sdl_key
{
const char* name;
unsigned symbol;
} keys_table[] = {
{"backspace", SDLK_BACKSPACE },
{"tab", SDLK_TAB },
{"clear", SDLK_CLEAR },
{"return", SDLK_RETURN },
{"pause", SDLK_PAUSE },
{"escape", SDLK_ESCAPE },
{"space", SDLK_SPACE },
{"exclaim", SDLK_EXCLAIM },
{"quotedbl", SDLK_QUOTEDBL },
{"hash", SDLK_HASH },
{"dollar", SDLK_DOLLAR },
{"ampersand", SDLK_AMPERSAND },
{"quote", SDLK_QUOTE },
{"leftparen", SDLK_LEFTPAREN },
{"rightparen", SDLK_RIGHTPAREN },
{"asterisk", SDLK_ASTERISK },
{"plus", SDLK_PLUS },
{"comma", SDLK_COMMA },
{"minus", SDLK_MINUS },
{"period", SDLK_PERIOD },
{"slash", SDLK_SLASH },
{"0", SDLK_0 },
{"1", SDLK_1 },
{"2", SDLK_2 },
{"3", SDLK_3 },
{"4", SDLK_4 },
{"5", SDLK_5 },
{"6", SDLK_6 },
{"7", SDLK_7 },
{"8", SDLK_8 },
{"9", SDLK_9 },
{"colon", SDLK_COLON },
{"semicolon", SDLK_SEMICOLON },
{"less", SDLK_LESS },
{"equals", SDLK_EQUALS },
{"greater", SDLK_GREATER },
{"question", SDLK_QUESTION },
{"at", SDLK_AT },
{"leftbracket", SDLK_LEFTBRACKET },
{"backslash", SDLK_BACKSLASH },
{"rightbracket", SDLK_RIGHTBRACKET },
{"caret", SDLK_CARET },
{"underscore", SDLK_UNDERSCORE },
{"backquote", SDLK_BACKQUOTE },
{"a", SDLK_a },
{"b", SDLK_b },
{"c", SDLK_c },
{"d", SDLK_d },
{"e", SDLK_e },
{"f", SDLK_f },
{"g", SDLK_g },
{"h", SDLK_h },
{"i", SDLK_i },
{"j", SDLK_j },
{"k", SDLK_k },
{"l", SDLK_l },
{"m", SDLK_m },
{"n", SDLK_n },
{"o", SDLK_o },
{"p", SDLK_p },
{"q", SDLK_q },
{"r", SDLK_r },
{"s", SDLK_s },
{"t", SDLK_t },
{"u", SDLK_u },
{"v", SDLK_v },
{"w", SDLK_w },
{"x", SDLK_x },
{"y", SDLK_y },
{"z", SDLK_z },
{"delete", SDLK_DELETE },
{"world_0", SDLK_WORLD_0 },
{"world_1", SDLK_WORLD_1 },
{"world_2", SDLK_WORLD_2 },
{"world_3", SDLK_WORLD_3 },
{"world_4", SDLK_WORLD_4 },
{"world_5", SDLK_WORLD_5 },
{"world_6", SDLK_WORLD_6 },
{"world_7", SDLK_WORLD_7 },
{"world_8", SDLK_WORLD_8 },
{"world_9", SDLK_WORLD_9 },
{"world_10", SDLK_WORLD_10 },
{"world_11", SDLK_WORLD_11 },
{"world_12", SDLK_WORLD_12 },
{"world_13", SDLK_WORLD_13 },
{"world_14", SDLK_WORLD_14 },
{"world_15", SDLK_WORLD_15 },
{"world_16", SDLK_WORLD_16 },
{"world_17", SDLK_WORLD_17 },
{"world_18", SDLK_WORLD_18 },
{"world_19", SDLK_WORLD_19 },
{"world_20", SDLK_WORLD_20 },
{"world_21", SDLK_WORLD_21 },
{"world_22", SDLK_WORLD_22 },
{"world_23", SDLK_WORLD_23 },
{"world_24", SDLK_WORLD_24 },
{"world_25", SDLK_WORLD_25 },
{"world_26", SDLK_WORLD_26 },
{"world_27", SDLK_WORLD_27 },
{"world_28", SDLK_WORLD_28 },
{"world_29", SDLK_WORLD_29 },
{"world_30", SDLK_WORLD_30 },
{"world_31", SDLK_WORLD_31 },
{"world_32", SDLK_WORLD_32 },
{"world_33", SDLK_WORLD_33 },
{"world_34", SDLK_WORLD_34 },
{"world_35", SDLK_WORLD_35 },
{"world_36", SDLK_WORLD_36 },
{"world_37", SDLK_WORLD_37 },
{"world_38", SDLK_WORLD_38 },
{"world_39", SDLK_WORLD_39 },
{"world_40", SDLK_WORLD_40 },
{"world_41", SDLK_WORLD_41 },
{"world_42", SDLK_WORLD_42 },
{"world_43", SDLK_WORLD_43 },
{"world_44", SDLK_WORLD_44 },
{"world_45", SDLK_WORLD_45 },
{"world_46", SDLK_WORLD_46 },
{"world_47", SDLK_WORLD_47 },
{"world_48", SDLK_WORLD_48 },
{"world_49", SDLK_WORLD_49 },
{"world_50", SDLK_WORLD_50 },
{"world_51", SDLK_WORLD_51 },
{"world_52", SDLK_WORLD_52 },
{"world_53", SDLK_WORLD_53 },
{"world_54", SDLK_WORLD_54 },
{"world_55", SDLK_WORLD_55 },
{"world_56", SDLK_WORLD_56 },
{"world_57", SDLK_WORLD_57 },
{"world_58", SDLK_WORLD_58 },
{"world_59", SDLK_WORLD_59 },
{"world_60", SDLK_WORLD_60 },
{"world_61", SDLK_WORLD_61 },
{"world_62", SDLK_WORLD_62 },
{"world_63", SDLK_WORLD_63 },
{"world_64", SDLK_WORLD_64 },
{"world_65", SDLK_WORLD_65 },
{"world_66", SDLK_WORLD_66 },
{"world_67", SDLK_WORLD_67 },
{"world_68", SDLK_WORLD_68 },
{"world_69", SDLK_WORLD_69 },
{"world_70", SDLK_WORLD_70 },
{"world_71", SDLK_WORLD_71 },
{"world_72", SDLK_WORLD_72 },
{"world_73", SDLK_WORLD_73 },
{"world_74", SDLK_WORLD_74 },
{"world_75", SDLK_WORLD_75 },
{"world_76", SDLK_WORLD_76 },
{"world_77", SDLK_WORLD_77 },
{"world_78", SDLK_WORLD_78 },
{"world_79", SDLK_WORLD_79 },
{"world_80", SDLK_WORLD_80 },
{"world_81", SDLK_WORLD_81 },
{"world_82", SDLK_WORLD_82 },
{"world_83", SDLK_WORLD_83 },
{"world_84", SDLK_WORLD_84 },
{"world_85", SDLK_WORLD_85 },
{"world_86", SDLK_WORLD_86 },
{"world_87", SDLK_WORLD_87 },
{"world_88", SDLK_WORLD_88 },
{"world_89", SDLK_WORLD_89 },
{"world_90", SDLK_WORLD_90 },
{"world_91", SDLK_WORLD_91 },
{"world_92", SDLK_WORLD_92 },
{"world_93", SDLK_WORLD_93 },
{"world_94", SDLK_WORLD_94 },
{"world_95", SDLK_WORLD_95 },
{"kp0", SDLK_KP0 },
{"kp1", SDLK_KP1 },
{"kp2", SDLK_KP2 },
{"kp3", SDLK_KP3 },
{"kp4", SDLK_KP4 },
{"kp5", SDLK_KP5 },
{"kp6", SDLK_KP6 },
{"kp7", SDLK_KP7 },
{"kp8", SDLK_KP8 },
{"kp9", SDLK_KP9 },
{"kp_period", SDLK_KP_PERIOD },
{"kp_divide", SDLK_KP_DIVIDE },
{"kp_multiply", SDLK_KP_MULTIPLY },
{"kp_minus", SDLK_KP_MINUS },
{"kp_plus", SDLK_KP_PLUS },
{"kp_enter", SDLK_KP_ENTER },
{"kp_equals", SDLK_KP_EQUALS },
{"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 },
{"numlock", SDLK_NUMLOCK },
{"capslock", SDLK_CAPSLOCK },
{"scrollock", SDLK_SCROLLOCK },
{"rshift", SDLK_RSHIFT },
{"lshift", SDLK_LSHIFT },
{"rctrl", SDLK_RCTRL },
{"lctrl", SDLK_LCTRL },
{"ralt", SDLK_RALT },
{"lalt", SDLK_LALT },
{"rmeta", SDLK_RMETA },
{"lmeta", SDLK_LMETA },
{"lsuper", SDLK_LSUPER },
{"rsuper", SDLK_RSUPER },
{"mode", SDLK_MODE },
{"compose", SDLK_COMPOSE },
{"help", SDLK_HELP },
{"print", SDLK_PRINT },
{"sysreq", SDLK_SYSREQ },
{"break", SDLK_BREAK },
{"menu", SDLK_MENU },
{"power", SDLK_POWER },
{"euro", SDLK_EURO },
{"undo", SDLK_UNDO },
{NULL, 0 }
};
std::map<unsigned, modifier*> supported_modifiers;
std::map<unsigned, keygroup*> scancodekeys;
std::map<unsigned, keygroup*> symbolkeys;
std::map<unsigned, keygroup*> joyaxis;
std::map<unsigned, keygroup*> joybutton;
std::map<unsigned, keygroup*> joyhat;
void init_keys()
{
struct sdl_modifier* m = modifiers_table;
while(m->name) {
modifier* m2;
if(m->linkname)
m2 = new modifier(m->name, m->linkname);
else
m2 = new modifier(m->name);
if(m->sdlvalue)
supported_modifiers[m->sdlvalue] = m2;
m++;
}
struct sdl_key* k = keys_table;
while(k->name) {
symbolkeys[k->symbol] = new keygroup(k->name, keygroup::KT_KEY);
k++;
}
for(unsigned i = 0; i < 256; i++) {
std::ostringstream x;
x << "key" << i;
scancodekeys[i] = new keygroup(x.str(), keygroup::KT_KEY);
}
}
void init_joysticks()
{
int joysticks = SDL_NumJoysticks();
if(!joysticks) {
window::out() << "No joysticks detected." << std::endl;
} else {
window::out() << joysticks << " joystick(s) detected." << std::endl;
for(int i = 0; i < joysticks; i++) {
SDL_Joystick* j = SDL_JoystickOpen(i);
if(!j) {
window::out() << "Joystick #" << i << ": Can't open!" << std::endl;
continue;
}
window::out() << "Joystick #" << i << ": " << SDL_JoystickName(i) << "("
<< SDL_JoystickNumAxes(j) << " axes, " << SDL_JoystickNumButtons(j)
<< " buttons, " << SDL_JoystickNumHats(j) << " hats)." << std::endl;
for(int k = 0; k < SDL_JoystickNumAxes(j); k++) {
unsigned num = 256 * i + k;
std::ostringstream x;
x << "joystick" << i << "axis" << k;
joyaxis[num] = new keygroup(x.str(), keygroup::KT_AXIS_PAIR);
}
for(int k = 0; k < SDL_JoystickNumButtons(j); k++) {
unsigned num = 256 * i + k;
std::ostringstream x;
x << "joystick" << i << "button" << k;
joybutton[num] = new keygroup(x.str(), keygroup::KT_KEY);
}
for(int k = 0; k < SDL_JoystickNumHats(j); k++) {
unsigned num = 256 * i + k;
std::ostringstream x;
x << "joystick" << i << "hat" << k;
joyhat[num] = new keygroup(x.str(), keygroup::KT_HAT);
}
}
}
}
struct identify_helper : public keygroup::key_listener
{
void key_event(const modifier_set& modifiers, keygroup& keygroup, unsigned subkey,
bool polarity, const std::string& name)
{
if(!polarity)
_keys = _keys + "Name: " + name + "\n";
}
bool got_it()
{
return (_keys != "");
}
std::string keys()
{
return _keys;
}
std::string _keys;
};
struct key_eater : public keygroup::key_listener
{
void key_event(const modifier_set& modifiers, keygroup& keygroup, unsigned subkey,
bool polarity, const std::string& name)
{
//Just eat it.
}
} keyeater;
void process_input_event(SDL_Event* e, bool identify)
{
identify_helper h;
if(identify)
keygroup::set_exclusive_key_listener(&h);
modifier_set modifiers;
if(e->type == SDL_KEYDOWN || e->type == SDL_KEYUP) {
SDL_keysym sym = e->key.keysym;
uint8_t scancode = sym.scancode;
unsigned symbol = sym.sym;
for(auto k = supported_modifiers.begin(); k != supported_modifiers.end(); ++k)
if(sym.mod & k->first)
modifiers.add(*k->second);
scancodekeys[scancode]->set_position((e->type == SDL_KEYDOWN) ? 1 : 0, modifiers);
if(symbolkeys.count(symbol))
symbolkeys[symbol]->set_position((e->type == SDL_KEYDOWN) ? 1 : 0, modifiers);
} else if(e->type == SDL_JOYAXISMOTION) {
unsigned num = static_cast<unsigned>(e->jaxis.which) * 256 +
static_cast<unsigned>(e->jaxis.axis);
if(joyaxis.count(num))
joyaxis[num]->set_position(e->jaxis.value, modifiers);
} else if(e->type == SDL_JOYHATMOTION) {
unsigned num = static_cast<unsigned>(e->jhat.which) * 256 +
static_cast<unsigned>(e->jhat.hat);
short v = 0;
if(e->jhat.value & SDL_HAT_UP)
v |= 1;
if(e->jhat.value & SDL_HAT_RIGHT)
v |= 2;
if(e->jhat.value & SDL_HAT_DOWN)
v |= 4;
if(e->jhat.value & SDL_HAT_LEFT)
v |= 8;
if(joyhat.count(num))
joyhat[num]->set_position(v, modifiers);
} else if(e->type == SDL_JOYBUTTONDOWN || e->type == SDL_JOYBUTTONUP) {
unsigned num = static_cast<unsigned>(e->jbutton.which) * 256 +
static_cast<unsigned>(e->jbutton.button);
if(joybutton.count(num))
joybutton[num]->set_position((e->type == SDL_JOYBUTTONDOWN), modifiers);
}
if(identify) {
if(h.got_it())
window::modal_message(h.keys(), false);
keygroup::set_exclusive_key_listener(NULL);
}
}
}
extern uint32_t fontdata[];
namespace
{
bool SDL_initialized = false;
uint32_t mouse_mask = 0;
uint32_t vc_xoffset;
uint32_t vc_yoffset;
uint32_t vc_hscl = 1;
uint32_t vc_vscl = 1;
bool sdl_init;
bool modconfirm;
bool modal_return_flag;
bool delayed_close_flag;
std::string modmsg;
std::string command_buf;
bool command_overwrite;
size_t command_cursor;
unsigned old_screen_w;
unsigned old_screen_h;
unsigned state;
std::map<std::string, std::string> emustatus;
std::map<uint64_t, std::string> messagebuffer;
uint64_t messagebuffer_next_seq;
uint64_t messagebuffer_first_seq;
uint64_t messagebuffer_first_show;
bool console_mode;
uint32_t maxmessages;
std::list<std::string> commandhistory;
std::list<std::string>::iterator commandhistory_itr;
screen* current_screen;
SDL_Surface* hwsurf;
bool pause_active;
uint64_t last_ui_update;
bool screen_is_dirty;
std::ofstream system_log;
SDL_keysym autorepeating_key;
unsigned autorepeat_phase = 0;
unsigned autorepeat_timecounter = 0;
numeric_setting autorepeat_first("autorepeat-first-delay", 1, 999999999, 15);
numeric_setting autorepeat_subsequent("autorepeat-subsequent-delay", 1, 999999999, 4);
};
void poll_inputs_internal() throw(std::bad_alloc);
namespace
{
const size_t audiobuf_size = 8192;
uint16_t audiobuf[audiobuf_size];
volatile size_t audiobuf_get = 0;
volatile size_t audiobuf_put = 0;
uint64_t sampledup_ctr = 0;
uint64_t sampledup_inc = 0;
uint64_t sampledup_mod = 1;
Uint16 format = AUDIO_S16SYS;
bool stereo = true;
bool sound_enabled = true;
void calculate_sampledup(uint32_t real_rate)
{
sampledup_ctr = 0;
sampledup_inc = 64081;
sampledup_mod = 2 * real_rate + 64081;
}
void audiocb(void* dummy, Uint8* stream, int len)
{
static uint16_t lprev = 32768;
static uint16_t rprev = 32768;
if(!sound_enabled)
lprev = rprev = 32768;
uint16_t bias = (format == AUDIO_S8 || format == AUDIO_S16LSB || format == AUDIO_S16MSB || format ==
AUDIO_S16SYS) ? 32768 : 0;
while(len > 0) {
uint16_t l, r;
if(audiobuf_get == audiobuf_put) {
l = lprev;
r = rprev;
} else {
l = lprev = audiobuf[audiobuf_get++];
r = rprev = audiobuf[audiobuf_get++];
if(audiobuf_get == audiobuf_size)
audiobuf_get = 0;
}
if(!stereo)
l = l / 2 + r / 2;
if(format == AUDIO_U8 || format == AUDIO_S8) {
stream[0] = (l - bias) >> 8;
if(stereo)
stream[1] = (r - bias) >> 8;
stream += (stereo ? 2 : 1);
len -= (stereo ? 2 : 1);
} else if(format == AUDIO_S16SYS || format == AUDIO_U16SYS) {
reinterpret_cast<uint16_t*>(stream)[0] = (l - bias);
if(stereo)
reinterpret_cast<int16_t*>(stream)[1] = (r - bias);
stream += (stereo ? 4 : 2);
len -= (stereo ? 4 : 2);
} else if(format == AUDIO_S16LSB || format == AUDIO_U16LSB) {
stream[0] = (l - bias);
stream[1] = (l - bias) >> 8;
if(stereo) {
stream[2] = (r - bias);
stream[3] = (r - bias) >> 8;
}
stream += (stereo ? 4 : 2);
len -= (stereo ? 4 : 2);
} else if(format == AUDIO_S16MSB || format == AUDIO_U16MSB) {
stream[1] = (l - bias);
stream[0] = (l - bias) >> 8;
if(stereo) {
stream[3] = (r - bias);
stream[2] = (r - bias) >> 8;
}
stream += (stereo ? 4 : 2);
len -= (stereo ? 4 : 2);
}
}
}
void identify()
{
state = WINSTATE_IDENTIFY;
window::message("Press key to identify.");
window::notify_screen_update();
poll_inputs_internal();
}
std::string decode_string(std::string e)
{
std::string x;
for(size_t i = 0; i < e.length(); i += 4) {
char tmp[5] = {0};
uint32_t c1 = e[i] - 33;
uint32_t c2 = e[i + 1] - 33;
uint32_t c3 = e[i + 2] - 33;
uint32_t c4 = e[i + 3] - 33;
uint32_t c = (c1 << 18) | (c2 << 12) | (c3 << 6) | c4;
if(c < 0x80) {
tmp[0] = c;
} else if(c < 0x800) {
tmp[0] = 0xC0 | (c >> 6);
tmp[1] = 0x80 | (c & 0x3F);
} else if(c < 0x10000) {
tmp[0] = 0xE0 | (c >> 12);
tmp[1] = 0x80 | ((c >> 6) & 0x3F);
tmp[2] = 0x80 | (c & 0x3F);
} else {
tmp[0] = 0xF0 | (c >> 18);
tmp[1] = 0x80 | ((c >> 12) & 0x3F);
tmp[2] = 0x80 | ((c >> 6) & 0x3F);
tmp[3] = 0x80 | (c & 0x3F);
}
x = x + tmp;
}
return x;
}
void draw_rectangle(uint8_t* data, uint32_t pitch, uint32_t x1, uint32_t y1, uint32_t x2, uint32_t y2,
uint32_t color, uint32_t thickness)
{
for(uint32_t i = x1; i < x2; i++)
for(uint32_t j = 0; j < thickness; j++) {
reinterpret_cast<uint32_t*>(data + pitch * (y1 + j))[i] = color;
reinterpret_cast<uint32_t*>(data + pitch * (y2 - 1 - j))[i] = color;
}
for(uint32_t i = y1; i < y2; i++)
for(uint32_t j = 0; j < thickness; j++) {
reinterpret_cast<uint32_t*>(data + pitch * i)[x1 + j] = color;
reinterpret_cast<uint32_t*>(data + pitch * i)[x2 - 1 - j] = color;
}
}
std::vector<uint32_t> decode_utf8(std::string s)
{
std::vector<uint32_t> ret;
for(auto i = s.begin(); i != s.end(); i++) {
uint32_t j = static_cast<uint8_t>(*i);
if(j < 128)
ret.push_back(j);
else if(j < 192)
continue;
else if(j < 224) {
uint32_t j2 = static_cast<uint8_t>(*(++i));
ret.push_back((j - 192) * 64 + (j2 - 128));
} else if(j < 240) {
uint32_t j2 = static_cast<uint8_t>(*(++i));
uint32_t j3 = static_cast<uint8_t>(*(++i));
ret.push_back((j - 224) * 4096 + (j2 - 128) * 64 + (j3 - 128));
} else {
uint32_t j2 = static_cast<uint8_t>(*(++i));
uint32_t j3 = static_cast<uint8_t>(*(++i));
uint32_t j4 = static_cast<uint8_t>(*(++i));
ret.push_back((j - 240) * 262144 + (j2 - 128) * 4096 + (j3 - 128) * 64 + (j4 - 128));
}
}
return ret;
}
void draw_string(uint8_t* base, uint32_t pitch, std::vector<uint32_t> s, uint32_t x, uint32_t y,
uint32_t maxwidth, uint32_t hilite_mode = 0, uint32_t hilite_pos = 0)
{
base += y * static_cast<size_t>(pitch) + 4 * x;
int32_t pos_x = 0;
int32_t pos_y = 0;
unsigned c = 0;
for(auto si = s.begin(); si != s.end(); si++) {
uint32_t old_x = pos_x;
uint32_t curstart = 16;
if(c == hilite_pos && hilite_mode == 1)
curstart = 14;
if(c == hilite_pos && hilite_mode == 2)
curstart = 0;
auto g = find_glyph(*si, pos_x, pos_y, 0, pos_x, pos_y);
if(pos_y)
pos_x = old_x;
if(g.second == 0) {
//Empty glyph.
for(unsigned j = 0; j < 16; j++) {
uint32_t* ptr = reinterpret_cast<uint32_t*>(base + pitch * j);
for(unsigned i = 0; i < g.first && old_x + i < maxwidth; i++)
ptr[old_x + i] = (j >= curstart) ? 0xFFFFFFFFU : 0;
}
} else {
//Narrow/Wide glyph.
for(unsigned j = 0; j < 16; j++) {
uint32_t* ptr = reinterpret_cast<uint32_t*>(base + pitch * j);
uint32_t dataword = fontdata[g.second + j / 4];
for(uint32_t i = 0; i < g.first && old_x + i < maxwidth; i++) {
bool b = (((dataword >> (31 - (j % (32 / g.first)) * g.first - i)) &
1));
b ^= (j >= curstart);
ptr[old_x + i] = b ? 0xFFFFFFFFU : 0;
}
}
}
c++;
}
for(unsigned j = 0; j < 16; j++) {
uint32_t* ptr = reinterpret_cast<uint32_t*>(base + pitch * j);
uint32_t curstart = 16;
if(c == hilite_pos && hilite_mode == 1)
curstart = 14;
if(c == hilite_pos && hilite_mode == 2)
curstart = 0;
for(uint32_t i = pos_x; i < maxwidth; i++) {
ptr[i] = ((i - pos_x) < 8 && j >= curstart) ? 0xFFFFFFFFU : 0;
}
}
}
void draw_string(uint8_t* base, uint32_t pitch, std::string s, uint32_t x, uint32_t y, uint32_t maxwidth,
uint32_t hilite_mode = 0, uint32_t hilite_pos = 0)
{
draw_string(base, pitch, decode_utf8(s), x, y, maxwidth, hilite_mode, hilite_pos);
}
void draw_command(uint8_t* base, uint32_t pitch, std::string s, size_t cursor, uint32_t x, uint32_t y,
uint32_t maxwidth, bool overwrite)
{
//FIXME, scroll text if too long.
uint32_t hilite_mode = overwrite ? 2 : 1;
auto s2 = decode_utf8(s);
draw_string(base, pitch, s2, x, y, maxwidth, hilite_mode, cursor);
}
void draw_modal_dialog(SDL_Surface* surf, std::string msg, bool confirm)
{
int32_t pos_x = 0;
int32_t pos_y = 0;
uint32_t width = 0;
uint32_t height = 0;
if(confirm)
msg = msg + "\n\nHit Enter to confirm, Esc to cancel";
else
msg = msg + "\n\nHit Enter or Esc to dismiss";
auto s2 = decode_utf8(msg);
for(auto i = s2.begin(); i != s2.end(); i++) {
auto g = find_glyph(*i, pos_x, pos_y, 0, pos_x, pos_y);
if(pos_x + g.first > width)
width = static_cast<uint32_t>(pos_x + g.first);
if(pos_y + 16 > static_cast<int32_t>(height))
height = static_cast<uint32_t>(pos_y + 16);
}
uint32_t x1;
uint32_t x2;
uint32_t y1;
uint32_t y2;
if(width + 12 >= static_cast<uint32_t>(surf->w)) {
x1 = 6;
x2 = surf->w - 6;
width = x2 - x1;
} else {
x1 = (surf->w - width) / 2;
x2 = x1 + width;
}
if(height + 12 >= static_cast<uint32_t>(surf->h)) {
y1 = 6;
y2 = surf->h - 6;
height = y2 - y1;
} else {
y1 = (surf->h - height) / 2;
y2 = y1 + height;
}
SDL_LockSurface(surf);
for(uint32_t j = y1 - 6; j < y2 + 6; j++)
memset(reinterpret_cast<uint8_t*>(surf->pixels) + j * surf->pitch + 4 * (x1 - 6), 0,
4 * (x2 - x1 + 12));
uint32_t bordercolor = (128 << surf->format->Gshift) | (255 << surf->format->Rshift);
draw_rectangle(reinterpret_cast<uint8_t*>(surf->pixels), surf->pitch, x1 - 4, y1 - 4, x2 + 4, y2 + 4,
bordercolor, 2);
pos_x = 0;
pos_y = 0;
for(auto i = s2.begin(); i != s2.end(); i++) {
uint32_t ox = pos_x;
uint32_t oy = pos_y;
auto g = find_glyph(*i, pos_x, pos_y, 0, pos_x, pos_y);
if(static_cast<uint32_t>(pos_y) > height)
break;
uint8_t* base = reinterpret_cast<uint8_t*>(surf->pixels) + (y1 + oy) * surf->pitch +
4 * (x1 + ox);
if(g.second) {
//Narrow/Wide glyph.
for(unsigned j = 0; j < 16; j++) {
uint32_t* ptr = reinterpret_cast<uint32_t*>(base + surf->pitch * j);
uint32_t dataword = fontdata[g.second + j / 4];
for(uint32_t i = 0; i < g.first && (ox + i) < width; i++) {
bool b = (((dataword >> (31 - (j % (32 / g.first)) * g.first - i)) &
1));
ptr[i] = b ? bordercolor : 0;
}
}
}
}
}
void do_keyboard_command_edit(SDL_keysym k)
{
//These are not command edit!
if(k.sym == SDLK_ESCAPE)
return;
if(k.sym == SDLK_RETURN)
return;
if(k.sym == SDLK_KP_ENTER)
return;
//Map keys a bit if numlock is off.
if((k.mod & KMOD_NUM) == 0) {
switch(k.sym) {
case SDLK_KP0: k.sym = SDLK_INSERT; break;
case SDLK_KP1: k.sym = SDLK_END; break;
case SDLK_KP2: k.sym = SDLK_DOWN; break;
case SDLK_KP3: k.sym = SDLK_PAGEDOWN; break;
case SDLK_KP4: k.sym = SDLK_LEFT; break;
case SDLK_KP5: return;
case SDLK_KP6: k.sym = SDLK_RIGHT; break;
case SDLK_KP7: k.sym = SDLK_HOME; break;
case SDLK_KP8: k.sym = SDLK_UP; break;
case SDLK_KP9: k.sym = SDLK_PAGEUP; break;
case SDLK_KP_PERIOD: k.sym = SDLK_DELETE; break;
default:
break;
};
}
//Special editing operations.
switch(k.sym) {
case SDLK_INSERT:
command_overwrite = !command_overwrite;
window::notify_screen_update();
return;
case SDLK_END:
command_cursor = command_buf.length();
window::notify_screen_update();
return;
case SDLK_DOWN:
case SDLK_PAGEDOWN:
if(commandhistory_itr != commandhistory.begin()) {
commandhistory_itr--;
command_buf = *commandhistory_itr;
if(command_cursor > command_buf.length())
command_cursor = command_buf.length();
}
window::notify_screen_update();
return;
case SDLK_LEFT:
command_cursor = (command_cursor > 0) ? (command_cursor - 4) : 0;
window::notify_screen_update();
return;
case SDLK_RIGHT:
command_cursor = (command_cursor < command_buf.length()) ? (command_cursor + 4) :
command_buf.length();
window::notify_screen_update();
return;
case SDLK_HOME:
command_cursor = 0;
window::notify_screen_update();
return;
case SDLK_UP:
case SDLK_PAGEUP: {
auto tmp = commandhistory_itr;
if(++tmp != commandhistory.end()) {
commandhistory_itr++;
command_buf = *commandhistory_itr;
if(command_cursor > command_buf.length())
command_cursor = command_buf.length();
}
window::notify_screen_update();
return;
}
case SDLK_DELETE:
if(command_cursor < command_buf.length())
command_buf = command_buf.substr(0, command_cursor) +
command_buf.substr(command_cursor + 4);
window::notify_screen_update();
*commandhistory_itr = command_buf;
return;
case SDLK_BACKSPACE:
if(command_cursor > 0) {
command_buf = command_buf.substr(0, command_cursor - 4) +
command_buf.substr(command_cursor);
command_cursor -= 4;
}
window::notify_screen_update();
*commandhistory_itr = command_buf;
return;
default:
break;
};
//Not a special editing operation, insert/overwrite a character.
uint32_t code = k.unicode;
if(!code)
return;
uint8_t c1 = 33 + ((code >> 18) & 0x3F);
uint8_t c2 = 33 + ((code >> 12) & 0x3F);
uint8_t c3 = 33 + ((code >> 6) & 0x3F);
uint8_t c4 = 33 + (code & 0x3F);
if(command_overwrite && command_cursor < command_buf.length()) {
command_buf[command_cursor] = c1;
command_buf[command_cursor + 1] = c2;
command_buf[command_cursor + 2] = c3;
command_buf[command_cursor + 3] = c4;
command_cursor += 4;
} else {
std::string foo = " ";
foo[0] = c1;
foo[1] = c2;
foo[2] = c3;
foo[3] = c4;
command_buf = command_buf.substr(0, command_cursor) + foo + command_buf.substr(command_cursor);
command_cursor += 4;
}
*commandhistory_itr = command_buf;
window::notify_screen_update();
}
void do_event(SDL_Event& e) throw(std::bad_alloc)
{
#ifdef SIGALRM
alarm(WATCHDOG_TIMEOUT);
#endif
if(e.type == SDL_KEYUP && e.key.keysym.sym == SDLK_ESCAPE && e.key.keysym.mod == (KMOD_LCTRL |
KMOD_LALT))
exit(1);
if(e.type == SDL_USEREVENT && e.user.code == 0) {
if(screen_is_dirty)
window::notify_screen_update();
}
SDLKey key;
get_ticks_msec();
if(e.type == SDL_ACTIVEEVENT && e.active.gain && e.active.state == SDL_APPACTIVE) {
window::notify_screen_update();
return;
}
if(e.type == SDL_KEYDOWN || e.type == SDL_KEYUP)
key = e.key.keysym.sym;
if(e.type == SDL_QUIT && state == WINSTATE_IDENTIFY)
return;
if(e.type == SDL_QUIT && state == WINSTATE_MODAL) {
delayed_close_flag = true;
return;
}
if(e.type == SDL_QUIT) {
command::invokeC("quit-emulator");
state = WINSTATE_NORMAL;
return;
}
switch(state) {
case WINSTATE_NORMAL:
if(e.type == SDL_MOUSEBUTTONDOWN || e.type == SDL_MOUSEBUTTONUP) {
int32_t xc = e.button.x;
int32_t yc = e.button.y;
xc = (xc - 6 - vc_xoffset) / vc_hscl;
yc = (yc - 6 - vc_yoffset) / vc_vscl;
if(e.button.button == SDL_BUTTON_LEFT) {
if(e.button.state == SDL_PRESSED)
mouse_mask |= 1;
else
mouse_mask &= ~1;
}
if(e.button.button == SDL_BUTTON_MIDDLE) {
if(e.button.state == SDL_PRESSED)
mouse_mask |= 2;
else
mouse_mask &= ~2;
}
if(e.button.button == SDL_BUTTON_RIGHT) {
if(e.button.state == SDL_PRESSED)
mouse_mask |= 4;
else
mouse_mask &= ~4;
}
{
std::ostringstream x;
x << "mouse_button " << xc << " " << yc << " " << mouse_mask;
command::invokeC(x.str());
}
}
if(e.type == SDL_KEYDOWN && key == SDLK_ESCAPE)
return;
if(e.type == SDL_KEYUP && key == SDLK_ESCAPE) {
state = WINSTATE_COMMAND;
command_buf = "";
command_cursor = 0;
commandhistory.push_front("");
if(commandhistory.size() > MAXHISTORY)
commandhistory.pop_back();
commandhistory_itr = commandhistory.begin();
window::notify_screen_update();
poll_inputs_internal();
return;
}
process_input_event(&e, false);
break;
case WINSTATE_MODAL:
//Send the key and eat it (prevent input from getting confused).
keygroup::set_exclusive_key_listener(&keyeater);
process_input_event(&e, false),
keygroup::set_exclusive_key_listener(NULL);
if(e.type == SDL_KEYUP && key == SDLK_ESCAPE) {
state = WINSTATE_NORMAL;
modconfirm = false;
modal_return_flag = true;
modmsg = "";
window::notify_screen_update(true);
return;
}
if(e.type == SDL_KEYUP && (key == SDLK_RETURN || key == SDLK_KP_ENTER)) {
state = WINSTATE_NORMAL;
modal_return_flag = true;
modmsg = "";
window::notify_screen_update(true);
return;
}
break;
case WINSTATE_COMMAND:
//Send the key and eat it (prevent input from getting confused).
keygroup::set_exclusive_key_listener(&keyeater);
process_input_event(&e, false),
keygroup::set_exclusive_key_listener(NULL);
if(e.type == SDL_KEYUP && e.key.keysym.sym == SDLK_ESCAPE) {
state = WINSTATE_NORMAL;
command_buf = "";
window::notify_screen_update();
if(commandhistory.front() == "")
commandhistory.pop_front();
return;
}
if(e.type == SDL_KEYUP && (e.key.keysym.sym == SDLK_RETURN ||
e.key.keysym.sym == SDLK_KP_ENTER)) {
state = WINSTATE_NORMAL;
if(commandhistory.front() == "")
commandhistory.pop_front();
command::invokeC(decode_string(command_buf));
command_buf = "";
window::notify_screen_update();
autorepeat_phase = 0;
return;
}
if(e.type == SDL_KEYDOWN) {
autorepeating_key = e.key.keysym;
autorepeat_phase = 1;
autorepeat_timecounter = 0;
do_keyboard_command_edit(e.key.keysym);
} else if(e.type == SDL_KEYUP) {
autorepeat_phase = 0;
}
if(e.type == SDL_USEREVENT && e.user.code == 0) {
autorepeat_timecounter++;
if(!autorepeat_phase)
break;
unsigned timeout = (autorepeat_phase == 1) ? autorepeat_first : autorepeat_subsequent;
if(autorepeat_timecounter >= timeout) {
do_keyboard_command_edit(autorepeating_key);
autorepeat_timecounter = 0;
autorepeat_phase = 2;
}
}
break;
case WINSTATE_IDENTIFY:
process_input_event(&e, true);
break;
};
}
}
void window::init()
{
SDL_initialized = true;
#ifdef SIGALRM
signal(SIGALRM, sigalrm_handler);
alarm(WATCHDOG_TIMEOUT);
#endif
init_keys();
system_log.open("lsnes.log", std::ios_base::out | std::ios_base::app);
time_t curtime = time(NULL);
struct tm* tm = localtime(&curtime);
char buffer[1024];
strftime(buffer, 1023, "%Y-%m-%d %H:%M:%S %Z", tm);
system_log << "-----------------------------------------------------------------------" << std::endl;
system_log << "lsnes started at " << buffer << std::endl;
system_log << "-----------------------------------------------------------------------" << std::endl;
if(!sdl_init) {
SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK | SDL_INIT_TIMER);
SDL_EnableUNICODE(true);
sdl_init = true;
tid = SDL_AddTimer(MIN_UPDATE_TIME, timer_cb, NULL);
}
state = WINSTATE_NORMAL;
current_screen = NULL;
pause_active = false;
hwsurf = NULL;
command_overwrite = false;
old_screen_h = 0;
old_screen_w = 0;
modal_return_flag = false;
delayed_close_flag = false;
messagebuffer_next_seq = 0;
messagebuffer_first_seq = 0;
messagebuffer_first_show = 0;
console_mode = false;
maxmessages = MAXMESSAGES;
notify_screen_update();
std::string windowname = "lsnes-" + lsnes_version + "[" + bsnes_core_version + "]";
SDL_WM_SetCaption(windowname.c_str(), "lsnes");
init_joysticks();
SDL_AudioSpec* desired = new SDL_AudioSpec();
SDL_AudioSpec* obtained = new SDL_AudioSpec();
desired->freq = 44100;
desired->format = AUDIO_S16SYS;
desired->channels = 2;
desired->samples = 8192;
desired->callback = audiocb;
desired->userdata = NULL;
if(SDL_OpenAudio(desired, obtained) < 0) {
message("Audio can't be initialized, audio playback disabled");
return;
}
//Fill the parameters.
calculate_sampledup(obtained->freq);
format = obtained->format;
stereo = (obtained->channels == 2);
//GO!!!
SDL_PauseAudio(0);
}
void window::quit()
{
time_t curtime = time(NULL);
struct tm* tm = localtime(&curtime);
char buffer[1024];
strftime(buffer, 1023, "%Y-%m-%d %H:%M:%S %Z", tm);
system_log << "-----------------------------------------------------------------------" << std::endl;
system_log << "lsnes shutting down at " << buffer << std::endl;
system_log << "-----------------------------------------------------------------------" << std::endl;
system_log.close();
if(sdl_init) {
SDL_RemoveTimer(tid);
SDL_Quit();
sdl_init = false;
}
SDL_initialized = false;
}
bool window::modal_message(const std::string& msg, bool confirm) throw(std::bad_alloc)
{
modconfirm = confirm;
modmsg = msg;
state = WINSTATE_MODAL;
notify_screen_update();
poll_inputs_internal();
bool ret = modconfirm;
if(delayed_close_flag) {
delayed_close_flag = false;
command::invokeC("quit-emulator");
}
return ret;
}
void window::message(const std::string& msg) throw(std::bad_alloc)
{
std::string msg2 = msg;
bool locked_mode = (messagebuffer_next_seq - messagebuffer_first_show <= maxmessages) ;
while(msg2 != "") {
size_t s = msg2.find_first_of("\n");
std::string forlog;
if(s >= msg2.length()) {
if(SDL_initialized) {
messagebuffer[messagebuffer_next_seq++] = (forlog = msg2);
system_log << forlog << std::endl;
} else
std::cerr << msg2 << std::endl;
break;
} else {
if(SDL_initialized) {
messagebuffer[messagebuffer_next_seq++] = (forlog = msg2.substr(0, s));
system_log << forlog << std::endl;
} else
std::cerr << msg2.substr(0, s) << std::endl;
msg2 = msg2.substr(s + 1);
}
}
if(locked_mode && messagebuffer_first_show + maxmessages < messagebuffer_next_seq)
messagebuffer_first_show = messagebuffer_next_seq - maxmessages;
while(messagebuffer.size() > MSGHISTORY) {
messagebuffer.erase(messagebuffer_first_seq++);
if(messagebuffer_first_show < messagebuffer_first_seq)
messagebuffer_first_show = messagebuffer_first_seq;
}
notify_screen_update();
}
void window::set_main_surface(screen& scr) throw()
{
current_screen = &scr;
notify_screen_update(true);
}
void window::notify_screen_update(bool full) throw()
{
uint64_t curtime = get_ticks_msec();
if(!full && last_ui_update < curtime && last_ui_update + MIN_UPDATE_TIME > curtime) {
screen_is_dirty = true;
return;
}
last_ui_update = curtime;
screen_is_dirty = false;
try {
std::ostringstream y;
y << get_framerate();
emustatus["FPS"] = y.str();
} catch(...) {
}
std::string command_showas = decode_string(command_buf);
uint32_t screen_w = 512;
uint32_t screen_h = 448;
if(current_screen && current_screen->width >= 512 && current_screen->height >= 448) {
screen_w = current_screen->width;
screen_h = current_screen->height;
}
uint32_t win_w = ((screen_w < 512) ? 512 : ((screen_w + 15) / 16 * 16)) + 278;
uint32_t win_h = screen_h + MAXMESSAGES * 16 + 48;
if(!hwsurf || static_cast<uint32_t>(hwsurf->w) != win_w || static_cast<uint32_t>(hwsurf->h) != win_h ||
old_screen_w != screen_w || old_screen_h != screen_h || full) {
//Create/Resize the window.
if(!hwsurf || static_cast<uint32_t>(hwsurf->w) != win_w || static_cast<uint32_t>(hwsurf->h) != win_h) {
SDL_Surface* hwsurf2 = SDL_SetVideoMode(win_w, win_h, 32, SDL_SWSURFACE | SDL_DOUBLEBUF);
if(!hwsurf2) {
//We are in too fucked up state to even print error as message.
std::cout << "PANIC: Can't create/resize window: " << SDL_GetError() << std::endl;
exit(1);
}
hwsurf = hwsurf2;
}
if(current_screen)
current_screen->set_palette(hwsurf->format->Rshift, hwsurf->format->Gshift,
hwsurf->format->Bshift);
//Blank the screen and draw borders.
SDL_LockSurface(hwsurf);
memset(hwsurf->pixels, 0, win_h * hwsurf->pitch);
uint32_t bordercolor = 255 << hwsurf->format->Gshift;
if(console_mode) {
draw_rectangle(reinterpret_cast<uint8_t*>(hwsurf->pixels), hwsurf->pitch, 2, 2, win_w - 2,
win_h - 28, bordercolor, 2);
draw_rectangle(reinterpret_cast<uint8_t*>(hwsurf->pixels), hwsurf->pitch, 2, win_h - 26,
win_w - 2, win_h - 2, bordercolor, 2);
} else {
draw_rectangle(reinterpret_cast<uint8_t*>(hwsurf->pixels), hwsurf->pitch, 2, 2, screen_w + 10,
screen_h + 10, bordercolor, 2);
draw_rectangle(reinterpret_cast<uint8_t*>(hwsurf->pixels), hwsurf->pitch, screen_w + 12, 2,
screen_w + 276, screen_h + 10, bordercolor, 2);
draw_rectangle(reinterpret_cast<uint8_t*>(hwsurf->pixels), hwsurf->pitch, 2, screen_h + 12,
win_w - 2, screen_h + MAXMESSAGES * 16 + 20, bordercolor, 2);
draw_rectangle(reinterpret_cast<uint8_t*>(hwsurf->pixels), hwsurf->pitch, 2,
screen_h + MAXMESSAGES * 16 + 22, win_w - 2, screen_h + MAXMESSAGES * 16 + 46,
bordercolor, 2);
}
SDL_UnlockSurface(hwsurf);
old_screen_w = screen_w;
old_screen_h = screen_h;
}
SDL_LockSurface(hwsurf);
if(!console_mode) {
if(current_screen) {
//Draw main screen (blanking background if needed).
if(screen_w < current_screen->width || screen_h < current_screen->height)
for(uint32_t i = 6; i < screen_h + 6; i++)
memset(reinterpret_cast<uint8_t*>(hwsurf->pixels) + i * hwsurf->pitch + 24, 0,
4 * screen_w);
for(uint32_t i = 0; i < current_screen->height; i++)
memcpy(reinterpret_cast<uint8_t*>(hwsurf->pixels) + (i + 6) * hwsurf->pitch + 24,
reinterpret_cast<uint8_t*>(current_screen->memory) + current_screen->pitch * i,
4 * current_screen->width);
} else {
//Draw blank.
for(uint32_t i = 6; i < screen_h + 6; i++)
memset(reinterpret_cast<uint8_t*>(hwsurf->pixels) + i * hwsurf->pitch + 24, 0,
4 * screen_w);
}
//Draw status.
uint32_t status_x = screen_w + 16;
uint32_t status_y = 6;
for(auto i = emustatus.begin(); i != emustatus.end(); i++) {
std::string msg = i->first + " " + i->second;
draw_string(reinterpret_cast<uint8_t*>(hwsurf->pixels), hwsurf->pitch, msg, status_x, status_y,
256);
status_y += 16;
}
while(status_y - 6 < screen_h / 16 * 16) {
draw_string(reinterpret_cast<uint8_t*>(hwsurf->pixels), hwsurf->pitch, "", status_x, status_y,
256);
status_y += 16;
}
}
//Draw messages.
uint32_t message_y;
if(!console_mode)
message_y = screen_h + 16;
else
message_y = 6;
for(size_t j = 0; j < maxmessages; j++)
try {
std::ostringstream o;
if(messagebuffer_first_show + j < messagebuffer_next_seq)
o << (messagebuffer_first_show + j + 1) << ": "
<< messagebuffer[messagebuffer_first_show + j];
draw_string(reinterpret_cast<uint8_t*>(hwsurf->pixels), hwsurf->pitch, o.str(), 6,
message_y + 16 * j, win_w - 12);
} catch(...) {
}
if(messagebuffer_next_seq - messagebuffer_first_show > maxmessages)
try {
draw_string(reinterpret_cast<uint8_t*>(hwsurf->pixels), hwsurf->pitch, "--More--", win_w - 76,
message_y + 16 * maxmessages - 16, 64);
} catch(...) {
}
//Draw command_buf.
uint32_t command_y = win_h - 22;
try {
if(state == WINSTATE_COMMAND)
draw_command(reinterpret_cast<uint8_t*>(hwsurf->pixels), hwsurf->pitch, command_showas,
command_cursor / 4, 6, command_y, win_w - 12, command_overwrite);
else
draw_string(reinterpret_cast<uint8_t*>(hwsurf->pixels), hwsurf->pitch, "", 6, command_y,
win_w - 12);
} catch(...) {
}
//Draw modal dialog.
if(state == WINSTATE_MODAL)
try {
draw_modal_dialog(hwsurf, modmsg, modconfirm);
} catch(...) {
}
SDL_UnlockSurface(hwsurf);
SDL_Flip(hwsurf);
}
void poll_inputs_internal() throw(std::bad_alloc)
{
SDL_Event e;
while(state != WINSTATE_NORMAL) {
if(SDL_WaitEvent(&e))
do_event(e);
}
}
void window::poll_inputs() throw(std::bad_alloc)
{
SDL_Event e;
while(1) {
assert(state == WINSTATE_NORMAL);
if(!pause_active && !SDL_PollEvent(&e))
break;
else if(!pause_active)
do_event(e);
else if(SDL_WaitEvent(&e))
do_event(e);
}
}
std::map<std::string, std::string>& window::get_emustatus() throw()
{
return emustatus;
}
void window::paused(bool enable) throw()
{
pause_active = enable;
notify_screen_update();
}
void window::sound_enable(bool enable) throw()
{
sound_enabled = enable;
SDL_PauseAudio(enable ? 0 : 1);
}
namespace
{
function_ptr_command<const std::string&> enable_sound("enable-sound", "Enable/Disable sound",
"Syntax: enable-sound <on/off>\nEnable or disable sound.\n",
[](const std::string& args) throw(std::bad_alloc, std::runtime_error) {
std::string s = args;
if(s == "on" || s == "true" || s == "1" || s == "enable" || s == "enabled")
window::sound_enable(true);
else if(s == "off" || s == "false" || s == "0" || s == "disable" || s == "disabled")
window::sound_enable(false);
else
throw std::runtime_error("Bad sound setting");
});
function_ptr_command<> identify_key("identify-key", "Identify a key",
"Syntax: identify-key\nIdentifies a (pseudo-)key.\n",
[]() throw(std::bad_alloc, std::runtime_error) {
identify();
});
function_ptr_command<> scroll_up("scroll-up", "Scroll messages a page up",
"Syntax: scroll-up\nScrolls message console backward one page.\n",
[]() throw(std::bad_alloc, std::runtime_error) {
if(messagebuffer_first_show > maxmessages)
messagebuffer_first_show -= maxmessages;
else
messagebuffer_first_show = 0;
if(messagebuffer_first_show < messagebuffer_first_seq)
messagebuffer_first_show = messagebuffer_first_seq;
window::notify_screen_update();
});
function_ptr_command<> scroll_fullup("scroll-fullup", "Scroll messages to beginning",
"Syntax: scroll-fullup\nScrolls message console to its beginning.\n",
[]() throw(std::bad_alloc, std::runtime_error) {
messagebuffer_first_show = messagebuffer_first_seq;
window::notify_screen_update();
});
function_ptr_command<> scroll_fulldown("scroll-fulldown", "Scroll messages to end",
"Syntax: scroll-fulldown\nScrolls message console to its end.\n",
[]() throw(std::bad_alloc, std::runtime_error) {
if(messagebuffer_next_seq < maxmessages)
messagebuffer_first_show = 0;
else
messagebuffer_first_show = messagebuffer_next_seq - maxmessages;
window::notify_screen_update();
});
function_ptr_command<> scrolldown("scroll-down", "Scroll messages a page down",
"Syntax: scroll-up\nScrolls message console forward one page.\n",
[]() throw(std::bad_alloc, std::runtime_error) {
messagebuffer_first_show += maxmessages;
if(messagebuffer_next_seq < maxmessages)
messagebuffer_first_show = 0;
else if(messagebuffer_next_seq < messagebuffer_first_show + maxmessages)
messagebuffer_first_show = messagebuffer_next_seq - maxmessages;
window::notify_screen_update();
});
function_ptr_command<> toggle_console("toggle-console", "Toggle console between small and full window",
"Syntax: toggle-console\nToggles console between small and large.\n",
[]() throw(std::bad_alloc, std::runtime_error) {
console_mode = !console_mode;
if(console_mode)
maxmessages = hwsurf ? (hwsurf->h - 38) / 16 : 36;
else
maxmessages = MAXMESSAGES;
if(messagebuffer_next_seq < maxmessages)
messagebuffer_first_show = 0;
else
messagebuffer_first_show = messagebuffer_next_seq - maxmessages;
window::notify_screen_update(true);
});
function_ptr_command<tokensplitter&> joystickmode("axismode", "Set joystick axis mode",
"Syntax: axismode joystick<num>axis<axis> <mode>\nSet joystick axis mode.\n",
[](tokensplitter& t) throw(std::bad_alloc, std::runtime_error) {
std::string axis = t;
std::string mode = t;
unsigned i = 0;
if(mode == "" || t)
throw std::runtime_error("Expected exactly 2 parameters");
keygroup* tomod = NULL;
for(auto i = joyaxis.begin(); i != joyaxis.end(); ++i)
if(i->second->name() == axis)
tomod = i->second;
if(!tomod)
throw std::runtime_error("Invalid axis");
if(mode == "axis")
tomod->change_type(keygroup::KT_AXIS_PAIR);
else if(mode == "axis_inverse")
tomod->change_type(keygroup::KT_AXIS_PAIR_INVERSE);
else if(mode == "pressure_0m")
tomod->change_type(keygroup::KT_PRESSURE_0M);
else if(mode == "pressure_0p")
tomod->change_type(keygroup::KT_PRESSURE_0P);
else if(mode == "pressure_m0")
tomod->change_type(keygroup::KT_PRESSURE_M0);
else if(mode == "pressure_mp")
tomod->change_type(keygroup::KT_PRESSURE_MP);
else if(mode == "pressure_p0")
tomod->change_type(keygroup::KT_PRESSURE_P0);
else if(mode == "pressure_pm")
tomod->change_type(keygroup::KT_PRESSURE_PM);
else if(mode == "disabled")
tomod->change_type(keygroup::KT_DISABLED);
else
throw std::runtime_error("Bad axis mode");
});
}
void window::wait_msec(uint64_t msec) throw(std::bad_alloc)
{
wait_canceled = false;
uint64_t basetime = get_ticks_msec();
while(!wait_canceled) {
if(msec > 10)
SDL_Delay(10);
else
SDL_Delay(msec);
SDL_Event e;
while(SDL_PollEvent(&e))
do_event(e);
uint64_t passed = get_ticks_msec() - basetime;
if(passed > msec)
break;
}
}
void window::fatal_error() throw()
{
try {
message("PANIC: Cannot continue, press ESC or close window to exit.");
//Force redraw.
notify_screen_update(true);
} catch(...) {
//Just crash.
exit(1);
}
time_t curtime = time(NULL);
struct tm* tm = localtime(&curtime);
char buffer[1024];
strftime(buffer, 1023, "%Y-%m-%d %H:%M:%S %Z", tm);
system_log << "-----------------------------------------------------------------------" << std::endl;
system_log << "lsnes paniced at " << buffer << std::endl;
system_log << "-----------------------------------------------------------------------" << std::endl;
system_log.close();
while(true) {
SDL_Event e;
if(SDL_WaitEvent(&e)) {
if(e.type == SDL_QUIT)
exit(1);
if(e.type == SDL_KEYUP && e.key.keysym.sym == SDLK_ESCAPE)
exit(1);
}
}
}
uint64_t get_ticks_msec() throw()
{
static uint64_t tickbase = 0;
static Uint32 last_ticks = 0;
Uint32 cur_ticks = SDL_GetTicks();
if(last_ticks > cur_ticks)
tickbase += 0x100000000ULL;
last_ticks = cur_ticks;
return tickbase + cur_ticks;
}
void window::cancel_wait() throw()
{
wait_canceled = true;
}
void window::play_audio_sample(uint16_t left, uint16_t right) throw()
{
sampledup_ctr += sampledup_inc;
while(sampledup_ctr < sampledup_mod) {
audiobuf[audiobuf_put++] = left;
audiobuf[audiobuf_put++] = right;
if(audiobuf_put == audiobuf_size)
audiobuf_put = 0;
sampledup_ctr += sampledup_inc;
}
sampledup_ctr -= sampledup_mod;
}
void window::set_window_compensation(uint32_t xoffset, uint32_t yoffset, uint32_t hscl, uint32_t vscl)
{
vc_xoffset = xoffset;
vc_yoffset = yoffset;
vc_hscl = hscl;
vc_vscl = vscl;
}
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