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#include <SDL.h>
#include <Input.h>
#include "engine.h"
#include "glfont.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifndef _
#define _(x) x
#endif
bool mogltk::engine::inited = false, mogltk::engine::postsetuped = false;
bool mogltk::engine::appactive = false, mogltk::engine::cursorvisible = false, mogltk::engine::quitrequest = false;
int mogltk::engine::mx, mogltk::engine::my, mogltk::engine::mbuttons;
int mogltk::engine::frames, mogltk::engine::locked = 0;
double mogltk::engine::curfps = -1;
Uint32 mogltk::engine::curticks;
#define UPDATERATE 1000
int mogltk::engine::setup() throw(GeneralException) {
if (inited) {
printm(M_WARNING, _("mogltk::engine::setup() called twice, ignoring second call.\n"));
return -1;
}
if (SDL_Init(0) < 0) {
throw GeneralException(_("Unable to start SDL base system"));
}
atexit(SDL_Quit);
inited = true;
mogltk::SystemFont = new mogltk::font(&Input("font.bin"));
return 0;
}
int mogltk::engine::postsetup() throw(GeneralException) {
if (postsetuped) {
printm(M_WARNING, _("mogltk::engine::postsetup() called twice, ignoring second call.\n"));
return -1;
}
SDL_EnableUNICODE(1);
curticks = SDL_GetTicks();
postsetuped = true;
return 0;
}
int mogltk::engine::GetInited() {
return inited;
}
class embedRWops : public Base {
public:
embedRWops(Handle *);
int seek(int, int);
int read(void *, int, int);
int write(const void *, int, int);
private:
Handle * h;
};
embedRWops::embedRWops(Handle * ah) : h(ah) {}
int embedRWops::seek(int offset, int whence) {
return h->seek(offset, whence);
}
int embedRWops::read(void * ptr, int size, int num) {
return h->read(ptr, size * num);
}
int embedRWops::write(const void * ptr, int size, int num) {
return h->write(ptr, size * num);
}
static int embedRWseek(SDL_RWops * context, int offset, int whence) {
if (context->hidden.unknown.data1)
return ((embedRWops *)(context->hidden.unknown.data1))->seek(offset, whence);
return -1;
}
static int embedRWread(SDL_RWops * context, void * ptr, int size, int num) {
if (context->hidden.unknown.data1)
return ((embedRWops *)(context->hidden.unknown.data1))->read(ptr, size, num);
return -1;
}
static int embedRWwrite(SDL_RWops * context, const void * ptr, int size, int num) {
if (context->hidden.unknown.data1)
return ((embedRWops *)(context->hidden.unknown.data1))->write(ptr, size, num);
return -1;
}
static int embedRWclose(SDL_RWops * context) {
if (context->hidden.unknown.data1) {
delete ((embedRWops *)(context->hidden.unknown.data1));
context->hidden.unknown.data1 = 0;
return 0;
}
return -1;
}
SDL_RWops * mogltk::engine::RWFromHandle(Handle * h) throw (GeneralException) {
SDL_RWops * r = 0;
if (h) {
if (!(r = SDL_AllocRW()))
throw GeneralException(_("Couldn't allocate memory for SDL_RWops"));
r->hidden.unknown.data1 = (void *) new embedRWops(h);
r->seek = embedRWseek;
r->read = embedRWread;
r->write = embedRWwrite;
r->close = embedRWclose;
}
return r;
}
void mogltk::engine::pollevents() {
SDL_Event event;
bool hastoreturn = appactive;
if (!postsetuped)
postsetup();
if (appactive) {
Uint32 ticks = SDL_GetTicks();
frames++;
if (ticks - curticks > UPDATERATE) {
curfps = (double) frames * 1000 / (ticks - curticks);
frames = 0;
curticks = ticks;
}
} else {
curfps = -1;
}
while(true) {
if (hastoreturn)
if (!SDL_PollEvent(NULL)) {
updatemouse();
return;
}
SDL_WaitEvent(&event);
switch(event.type) {
case SDL_ACTIVEEVENT:
switch (event.active.state) {
case SDL_APPMOUSEFOCUS:
printm(M_INFO, String("Application ") + (event.active.gain ? "gained" : "loosed") + " mouse focus\n");
if (cursorvisible)
hastoreturn = true;
break;
case SDL_APPINPUTFOCUS:
printm(M_INFO, String("Application ") + (event.active.gain ? "gained" : "loosed") + " input focus\n");
if (cursorvisible)
hastoreturn = true;
break;
case SDL_APPACTIVE:
printm(M_INFO, String("Application was ") + (event.active.gain ? "restored" : "iconified"));
if (cursorvisible)
hastoreturn = true;
break;
}
break;
case SDL_KEYDOWN:
case SDL_KEYUP:
printm(M_INFO, String("Key ") + event.key.keysym.scancode + " on keyboard " + event.key.which + (event.key.state == SDL_PRESSED ? " pressed" : " released") + "\n");
printm(M_INFO, "SDL keysym: %i - Unicode: %04x - modifiers: %04x\n", event.key.keysym.sym, event.key.keysym.unicode, event.key.keysym.mod);
break;
case SDL_MOUSEMOTION:
printm(M_INFO, "Mouse slept over the screen - (%i, %i)\n", event.motion.x, event.motion.y);
if (locked) {
if (!((event.motion.x == mx) && (event.motion.y == my))) {
SDL_WarpMouse(mx, my);
}
}
if (cursorvisible)
hastoreturn = true;
break;
case SDL_QUIT:
printm(M_INFO, "Quit requested\n");
hastoreturn = quitrequest = true;
break;
case SDL_VIDEOEXPOSE:
printm(M_INFO, "Needs to redraw\n");
hastoreturn = true;
break;
default:
printm(M_INFO, "Unknow event: %i\n", event.type);
break;
}
}
}
void mogltk::engine::setappactive(bool p) {
appactive = p;
}
bool mogltk::engine::getappactive() {
return appactive;
}
void mogltk::engine::setcursorvisible(bool p) {
cursorvisible = p;
}
bool mogltk::engine::getcursorvisible() {
return cursorvisible;
}
bool mogltk::engine::quitrequested() {
return quitrequest;
}
void mogltk::engine::updatemouse() {
mbuttons = SDL_GetMouseState(&mx, &my);
}
int mogltk::engine::mouseX() {
return mx;
}
int mogltk::engine::mouseY() {
return my;
}
int mogltk::engine::mousebuttons() {
return mbuttons;
}
double mogltk::engine::FPS() {
return curfps;
}
void mogltk::engine::lockmouse() {
locked = 1;
}
void mogltk::engine::unlockmouse() {
locked = 0;
}
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