Page MenuHomePhabricator (Chris)
Files F134910

No OneTemporary
Actions

Authored By
Unknown
Size
18 KB
Referenced Files
None
Subscribers
None

View Options

diff --git a/util/events.cpp b/util/events.cpp
index c3d62b02..b0727e94 100644
--- a/util/events.cpp
+++ b/util/events.cpp
@@ -1,620 +1,621 @@
#ifdef USE_SDL
#include <SDL.h>
#endif
#ifdef USE_ALLEGRO5
#include <allegro5/allegro.h>
#endif
#include <vector>
#include <map>
#include "graphics/bitmap.h"
#include "events.h"
#include "exceptions/shutdown_exception.h"
#include "configuration.h"
#include "debug.h"
#include "funcs.h"
#include "thread.h"
#include "init.h"
#include "parameter.h"
#include "input/keyboard.h"
#include "input/joystick.h"
#include "input/input-manager.h"
#include "input/input-source.h"
#include "system.h"
using std::map;
namespace Util{
int do_shutdown = 0;
bool shutdown(){
return do_shutdown > 0;
}
EventManager::EventManager():
bufferKeys(false),
deferResize(false){
resize.enable = false;
#ifdef USE_ALLEGRO5
queue = al_create_event_queue();
if (al_is_keyboard_installed()){
al_register_event_source(queue, al_get_keyboard_event_source());
}
if (Graphics::the_display != NULL){
al_register_event_source(queue, al_get_display_event_source(Graphics::the_display));
}
#endif
}
#ifdef USE_SDL
static void handleKeyDown(Keyboard & keyboard, const SDL_Event & event){
keyboard.press(event.key.keysym.sym, event.key.keysym.unicode);
}
static void handleKeyUp(Keyboard & keyboard, const SDL_Event & event){
keyboard.release(event.key.keysym.sym);
}
static void handleJoystickButtonUp(map<int, ReferenceCount<Joystick> > joysticks, const SDL_Event & event){
int device = event.jbutton.which;
int button = event.jbutton.button;
ReferenceCount<Joystick> joystick = joysticks[device];
if (joystick != NULL){
joystick->releaseButton(button);
}
}
static void handleJoystickHat(map<int, ReferenceCount<Joystick> > joysticks, const SDL_Event & event){
int device = event.jhat.which;
int motion = event.jhat.value;
ReferenceCount<Joystick> joystick = joysticks[device];
if (joystick != NULL){
joystick->hatMotion(motion);
}
#if 0
/* should up/down control left/right -- flip these values? */
#if WII
const int axis_up_down = 0;
const int axis_left_right = 1;
const int up = 1;
const int down = -1;
const int left = -1;
const int right = 1;
#else
const int axis_up_down = 1;
const int axis_left_right = 0;
const int up = -1;
const int down = 1;
const int left = -1;
const int right = 1;
#endif
switch (motion){
case SDL_HAT_CENTERED: break;
case SDL_HAT_UP: joystick->axisMotion(axis_up_down, up); break;
case SDL_HAT_DOWN: joystick->axisMotion(axis_up_down, down); break;
case SDL_HAT_RIGHT: joystick->axisMotion(axis_left_right, right); break;
case SDL_HAT_LEFT: joystick->axisMotion(axis_left_right, left); break;
default: break;
}
#endif
}
static void handleJoystickButtonDown(map<int, ReferenceCount<Joystick> > joysticks, const SDL_Event & event){
int device = event.jbutton.which;
int button = event.jbutton.button;
ReferenceCount<Joystick> joystick = joysticks[device];
if (joystick != NULL){
joystick->pressButton(button);
}
}
static void handleJoystickAxis(map<int, ReferenceCount<Joystick> > joysticks, const SDL_Event & event){
int device = event.jaxis.which;
int axis = event.jaxis.axis;
int value = event.jaxis.value;
ReferenceCount<Joystick> joystick = joysticks[device];
if (joystick != NULL){
joystick->axisMotion(axis, value);
}
}
void EventManager::runSDL(Keyboard & keyboard, map<int, ReferenceCount<Joystick> > joysticks){
keyboard.poll();
for (map<int, ReferenceCount<Joystick> >::iterator it = joysticks.begin(); it != joysticks.end(); it++){
ReferenceCount<Joystick> joystick = it->second;
if (joystick != NULL){
joystick->poll();
}
}
SDL_Event event;
/* FIXME: android gets into an infinite loop while reading events */
#ifdef ANDROID
// int good = SDL_PollEvent(&event);
// for (int check = 0; check < 10 && good; check++, good = SDL_PollEvent(&event)){
// if (SDL_PollEvent(&event) == 1){
while (SDL_PollEvent(&event) == 1){
#else
while (SDL_PollEvent(&event) == 1){
#endif
switch (event.type){
case SDL_QUIT : {
dispatch(CloseWindow);
break;
}
case SDL_KEYDOWN : {
handleKeyDown(keyboard, event);
// dispatch(Key, event.key.keysym.sym);
break;
}
case SDL_KEYUP : {
handleKeyUp(keyboard, event);
break;
}
case SDL_JOYBUTTONDOWN: {
handleJoystickButtonDown(joysticks, event);
break;
}
case SDL_JOYHATMOTION : {
handleJoystickHat(joysticks, event);
break;
}
case SDL_JOYBUTTONUP: {
handleJoystickButtonUp(joysticks, event);
break;
}
case SDL_JOYAXISMOTION: {
handleJoystickAxis(joysticks, event);
break;
}
case SDL_VIDEORESIZE : {
int width = event.resize.w;
int height = event.resize.h;
/* to keep the perspective correct
* 640/480 = 1.33333
*/
/*
double ratio = (double) 640 / (double) 480;
if (width > height){
height = (int)((double) width / ratio);
} else {
width = (int)((double) height * ratio);
}
*/
dispatch(ResizeScreen, width, height);
break;
}
default : {
break;
}
}
}
}
#endif
#ifdef USE_ALLEGRO
void EventManager::runAllegro(Keyboard & keyboard, map<int, ReferenceCount<Joystick> > joystick){
keyboard.poll();
}
#endif
#ifdef USE_ALLEGRO5
static void handleKeyDown(Keyboard & keyboard, const ALLEGRO_EVENT & event){
keyboard.press(event.keyboard.keycode, event.keyboard.unichar);
}
static void handleKeyUp(Keyboard & keyboard, const ALLEGRO_EVENT & event){
keyboard.release(event.keyboard.keycode);
}
static void handleResize(const ALLEGRO_EVENT & event){
double width = event.display.width;
double height = event.display.height;
/*
if (width < 640){
width = 640;
}
if (height < 480){
height = 480;
}
*/
/* to keep the perspective correct
* 640/480 = 1.33333
*/
/*
double ratio = (double) 640 / (double) 480;
if (width > height){
height = width / ratio;
} else {
width = height * ratio;
}
*/
ALLEGRO_DISPLAY * display = event.display.source;
al_acknowledge_resize(display);
al_resize_display(display, (int) width, (int) height);
Graphics::getScreenBuffer()->clear();
/*
ALLEGRO_TRANSFORM transformation;
al_identity_transform(&transformation);
// al_scale_transform(&transformation, (double) al_get_display_width(display) / (double) GFX_X, (double) al_get_display_height(display) / (double) GFX_Y);
al_scale_transform(&transformation, (double) width / (double) GFX_X, (double) height / (double) GFX_Y);
al_set_target_bitmap(Graphics::getScreenBuffer()->getData()->getBitmap());
al_use_transform(&transformation);
*/
}
void EventManager::runAllegro5(Keyboard & keyboard, map<int, ReferenceCount<Joystick> > joystick){
keyboard.poll();
ALLEGRO_EVENT event;
while (al_get_next_event(queue, &event)){
switch (event.type){
/*
case ALLEGRO_EVENT_KEY_DOWN: {
Global::debug(0) << "Key down " << event.keyboard.keycode << std::endl;
handleKeyDown(keyboard, event);
break;
}
*/
case ALLEGRO_EVENT_DISPLAY_RESIZE: {
handleResize(event);
break;
}
case ALLEGRO_EVENT_KEY_UP: {
handleKeyUp(keyboard, event);
break;
}
case ALLEGRO_EVENT_KEY_CHAR : {
// Global::debug(0) << "Key char " << event.keyboard.keycode << " unicode " << event.keyboard.unichar << std::endl;
handleKeyDown(keyboard, event);
break;
}
}
}
/*
if (joystick){
joystick->poll();
}
SDL_Event event;
while (SDL_PollEvent(&event) == 1){
switch (event.type){
case SDL_QUIT : {
dispatch(CloseWindow);
break;
}
case SDL_KEYDOWN : {
handleKeyDown(keyboard, event);
// dispatch(Key, event.key.keysym.sym);
break;
}
case SDL_KEYUP : {
handleKeyUp(keyboard, event);
break;
}
case SDL_JOYBUTTONDOWN: {
if (joystick != NULL){
handleJoystickButtonDown(joystick, event);
}
break;
}
case SDL_JOYHATMOTION : {
if (joystick != NULL){
handleJoystickHat(joystick, event);
}
break;
}
case SDL_JOYBUTTONUP: {
if (joystick != NULL){
handleJoystickButtonUp(joystick, event);
}
break;
}
case SDL_JOYAXISMOTION: {
if (joystick != NULL){
handleJoystickAxis(joystick, event);
}
break;
}
case SDL_VIDEORESIZE : {
int width = event.resize.w;
int height = event.resize.h;
/ * to keep the perspective correct
* 640/480 = 1.33333
* /
if (width > height){
height = (int)((double) width / 1.3333333333);
} else {
width = (int)((double) height * 1.3333333333);
}
dispatch(ResizeScreen, width, height);
break;
}
default : {
break;
}
}
}
*/
}
#endif
void EventManager::run(Keyboard & keyboard, std::map<int, ReferenceCount<Joystick> > joysticks){
#ifdef USE_SDL
runSDL(keyboard, joysticks);
#elif USE_ALLEGRO
runAllegro(keyboard, joysticks);
#elif USE_ALLEGRO5
runAllegro5(keyboard, joysticks);
#endif
}
/* kill the program if the user requests */
void EventManager::waitForThread(WaitThread & thread){
// Keyboard dummy;
while (!thread.isRunning()){
try{
/* input manager will run the event manager */
InputManager::poll();
// run(dummy);
} catch (const ShutdownException & death){
thread.kill();
throw death;
}
Util::rest(10);
}
}
EventManager::~EventManager(){
#ifdef USE_ALLEGRO5
al_destroy_event_queue(queue);
#endif
}
void EventManager::enableKeyBuffer(){
bufferKeys = true;
}
void EventManager::disableKeyBuffer(){
bufferKeys = false;
}
void EventManager::dispatch(Event type, int arg1){
switch (type){
case Key : {
if (bufferKeys){
keys.push_back(KeyType(arg1));
}
break;
}
default : {
break;
}
}
}
void EventManager::dispatch(Event type, int arg1, int arg2){
switch (type){
case ResizeScreen : {
if (deferResize){
resize.type = ResizeScreen;
resize.width = arg1;
resize.height = arg2;
resize.enable = true;
} else {
Global::debug(1) << "Resizing screen to " << arg1 << ", " << arg2 << std::endl;
if (Graphics::setGraphicsMode(0, arg1, arg2) == 0){
Configuration::setScreenWidth(arg1);
Configuration::setScreenHeight(arg2);
}
}
break;
}
default: break;
}
}
void EventManager::dispatch(Event type){
switch (type){
case CloseWindow : {
throw ShutdownException();
}
default : break;
}
}
void EventManager::deferResizeEvents(bool defer){
deferResize = defer;
if (!deferResize && resize.enable){
dispatch(resize.type, resize.width, resize.height);
resize.enable = false;
}
}
class LoopDone: public std::exception {
public:
LoopDone(){
}
~LoopDone() throw () {
}
};
Logic::~Logic(){
}
Draw::Draw():
frames(0),
second_counter(Global::second_counter),
fps(0){
}
void Draw::drawFirst(const Graphics::Bitmap & screen){
+ draw(screen);
}
Draw::~Draw(){
}
double Draw::getFps() const {
return fps;
}
void Draw::updateFrames(){
if (second_counter != Global::second_counter){
int difference = Global::second_counter - second_counter;
double alpha = 0.2;
/* unlikely, but just in case */
if (difference == 0){
difference = 1;
}
fps = (alpha * fps) + ((1 - alpha) * (double) frames / difference);
// fps[fps_index] = (double) frames / (double) difference;
// fps_index = (fps_index+1) % max_fps_index;
second_counter = Global::second_counter;
frames = 0;
}
frames += 1;
}
static void changeScreenMode(){
Configuration::setFullscreen(!Configuration::getFullscreen());
int gfx = (Configuration::getFullscreen() ? Global::FULLSCREEN : Global::WINDOWED);
Graphics::setGraphicsMode(gfx, Graphics::Bitmap::getScreenWidth(), Graphics::Bitmap::getScreenHeight());
}
static void checkFullscreen(){
InputMap<int> input;
input.set(Keyboard::Key_F11, 0, true, 5);
std::vector<InputMap<int>::InputEvent> events = InputManager::getEvents(input, InputSource());
for (std::vector<InputMap<int>::InputEvent>::iterator it = events.begin(); it != events.end(); it++){
InputMap<int>::InputEvent event = *it;
if (!event.enabled){
continue;
}
if (event.out == 5){
changeScreenMode();
}
}
}
static Graphics::Bitmap blackBars(const Graphics::Bitmap & screen){
double width = screen.getWidth();
double height = screen.getHeight();
double ratio = (double) 640 / (double) 480;
width = (double) height * ratio;
if (width > screen.getWidth()){
width = screen.getWidth();
height = (int)((double) width / ratio);
}
int x = (screen.getWidth() - width) / 2;
int y = (screen.getHeight() - height) / 2;
return Graphics::Bitmap(screen, x, y, (int) width, (int) height);
}
static void doStandardLoop(Logic & logic, Draw & draw){
if (Graphics::screenParameter.current() == NULL){
throw Exception::Base(__FILE__, __LINE__);
}
const Graphics::Bitmap & screen = *Graphics::screenParameter.current();
screen.clear();
draw.drawFirst(blackBars(screen));
screen.BlitToScreen();
Global::speed_counter4 = 0;
double runCounter = 0;
try{
const int maxCount = 20;
int frameCount = 0;
uint64_t frameTime = 0;
int logicCount = 0;
uint64_t logicTime = 0;
while (!logic.done()){
if (Global::speed_counter4 > 0){
// Global::debug(0) << "Speed counter " << Global::speed_counter4 << std::endl;
runCounter += logic.ticks(Global::speed_counter4);
Global::speed_counter4 = 0;
bool need_draw = false;
while (runCounter >= 1.0){
need_draw = true;
InputManager::poll();
checkFullscreen();
runCounter -= 1;
logicCount += 1;
uint64_t now = System::currentMilliseconds();
logic.run();
uint64_t later = System::currentMilliseconds();
logicTime += (later - now);
if (logicCount >= maxCount){
// Global::debug(0) << "Logic average " << (logicTime / logicCount) << "ms" << std::endl;
logicCount = 0;
logicTime = 0;
}
if (shutdown()){
throw ShutdownException();
}
if (logic.done()){
/* quit the loop immediately */
throw LoopDone();
}
}
if (need_draw){
frameCount += 1;
draw.updateFrames();
uint64_t now = System::currentMilliseconds();
draw.draw(blackBars(screen));
screen.BlitToScreen();
uint64_t later = System::currentMilliseconds();
frameTime += (later - now);
if (frameCount >= maxCount){
// Global::debug(0) << "Draw average " << (frameTime / frameCount) << "ms" << std::endl;
frameCount = 0;
frameTime = 0;
}
}
}
while (Global::speed_counter4 == 0){
/* if the fps is limited then don't keep redrawing */
if (Global::rateLimit){
rest(1);
} else {
draw.updateFrames();
draw.draw(blackBars(screen));
screen.BlitToScreen();
}
}
}
} catch (const LoopDone & done){
}
}
void standardLoop(Logic & logic, Draw & draw){
/* if a screen already exists (because we have nested standardLoops) then
* leave this parameter alone, otherwise set a new parameter.
*/
/*
if (Parameter<Graphics::Bitmap*>::current() == NULL){
doStandardLoop(logic, draw);
} else {
doStandardLoop(logic, draw);
}
*/
doStandardLoop(logic, draw);
}
}

File Metadata

Mime Type
text/x-diff
Expires
Fri, Jun 19, 8:09 PM (1 w, 3 d ago)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
72910
Default Alt Text
(18 KB)

Event Timeline