#include "scripting/time_scheduler.hpp"
#include "scripting/squirrel_util.hpp"
#include "gameconfig.hpp"
+#include "constants.hpp"
#include "main.hpp"
#include "resources.hpp"
#include "screen.hpp"
#include "screen_fade.hpp"
#include "timer.hpp"
#include "player_status.hpp"
+#include "video/renderer.hpp"
#include "random_generator.hpp"
-// the engine will be run with a logical framerate of 64fps.
-// We chose 64fps here because it is a power of 2, so 1/64 gives an "even"
-// binary fraction...
-static const float LOGICAL_FPS = 64.0;
/** ticks (as returned from SDL_GetTicks) per frame */
static const Uint32 TICKS_PER_FRAME = (Uint32) (1000.0 / LOGICAL_FPS);
/** don't skip more than every 2nd frame */
static const int MAX_FRAME_SKIP = 2;
+float game_speed = 1.0f;
+
MainLoop* main_loop = NULL;
MainLoop::MainLoop()
- : speed(1.0), nextpop(false), nextpush(false)
+ : speed(1.0), nextpop(false), nextpush(false), fps(0), screenshot_requested(false)
{
using namespace Scripting;
TimeScheduler::instance = new TimeScheduler();
this->screen_fade.reset(screen_fade);
nextpush = !nextpop;
nextpop = false;
- speed = 1.0;
+ speed = 1.0f;
}
void
this->speed = speed;
}
+float
+MainLoop::get_speed() const
+{
+ return speed;
+}
+
+bool
+MainLoop::has_no_pending_fadeout() const
+{
+ return screen_fade.get() == NULL || screen_fade->done();
+}
+
void
MainLoop::draw_fps(DrawingContext& context, float fps_fps)
{
char str[60];
snprintf(str, sizeof(str), "%3.1f", fps_fps);
const char* fpstext = "FPS";
- context.draw_text(white_text, fpstext, Vector(SCREEN_WIDTH - white_text->get_text_width(fpstext) - gold_text->get_text_width(" 99999") - BORDER_X, BORDER_Y + 20), ALIGN_LEFT, LAYER_HUD);
- context.draw_text(gold_text, str, Vector(SCREEN_WIDTH - BORDER_X, BORDER_Y + 20), ALIGN_RIGHT, LAYER_HUD);
+ context.draw_text(small_font, fpstext, Vector(SCREEN_WIDTH - small_font->get_text_width(fpstext) - small_font->get_text_width(" 99999") - BORDER_X, BORDER_Y + 20), ALIGN_LEFT, LAYER_HUD);
+ context.draw_text(small_font, str, Vector(SCREEN_WIDTH - BORDER_X, BORDER_Y + 20), ALIGN_RIGHT, LAYER_HUD);
}
void
if(config->show_fps)
draw_fps(context, fps);
+ // if a screenshot was requested, pass request on to drawing_context
+ if (screenshot_requested) {
+ context.take_screenshot();
+ screenshot_requested = false;
+ }
context.do_drawing();
/* Calculate frames per second */
Scripting::update_debugger();
Scripting::TimeScheduler::instance->update(game_time);
current_screen->update(elapsed_time);
+ if (Menu::current() != NULL)
+ Menu::current()->update();
if(screen_fade.get() != NULL)
screen_fade->update(elapsed_time);
Console::instance->update(elapsed_time);
MainLoop::process_events()
{
main_controller->update();
+ Uint8* keystate = SDL_GetKeyState(NULL);
SDL_Event event;
- while(SDL_PollEvent(&event)) {
- main_controller->process_event(event);
- if(Menu::current() != NULL)
- Menu::current()->event(event);
- if(event.type == SDL_QUIT)
- quit();
- else if (event.type == SDL_KEYDOWN && event.key.keysym.sym == SDLK_F11) {
- config->use_fullscreen = !config->use_fullscreen;
- init_video();
+ while(SDL_PollEvent(&event))
+ {
+ main_controller->process_event(event);
+
+ if(Menu::current() != NULL)
+ Menu::current()->event(event);
+
+ switch(event.type)
+ {
+ case SDL_QUIT:
+ quit();
+ break;
+
+ case SDL_VIDEORESIZE:
+ Renderer::instance()->resize(event.resize.w, event.resize.h);
+ Menu::recalc_pos();
+ break;
+
+ case SDL_KEYDOWN:
+ if (event.key.keysym.sym == SDLK_F10)
+ {
+ config->show_fps = !config->show_fps;
+ }
+ if (event.key.keysym.sym == SDLK_F11)
+ {
+ config->use_fullscreen = !config->use_fullscreen;
+ init_video();
+ Menu::recalc_pos();
+ }
+ else if (event.key.keysym.sym == SDLK_PRINT ||
+ event.key.keysym.sym == SDLK_F12)
+ {
+ take_screenshot();
+ }
+ else if (event.key.keysym.sym == SDLK_F1 &&
+ (keystate[SDLK_LCTRL] || keystate[SDLK_RCTRL]) &&
+ keystate[SDLK_c])
+ {
+ Console::instance->toggle();
+ config->console_enabled = true;
+ config->save();
+ }
+ break;
+ }
}
- }
}
void
MainLoop::handle_screen_switch()
{
while( (next_screen.get() != NULL || nextpop) &&
- (screen_fade.get() == NULL || screen_fade->done())) {
+ has_no_pending_fadeout()) {
if(current_screen.get() != NULL) {
current_screen->leave();
}
nextpush = false;
nextpop = false;
speed = 1.0;
- if(next_screen.get() != NULL)
- next_screen->setup();
- current_screen.reset(next_screen.release());
+ Screen* next_screen_ptr = next_screen.release();
+ next_screen.reset(0);
+ if(next_screen_ptr)
+ next_screen_ptr->setup();
+ current_screen.reset(next_screen_ptr);
screen_fade.reset(NULL);
waiting_threads.wakeup();
}
void
-MainLoop::run()
+MainLoop::run(DrawingContext &context)
{
- DrawingContext context;
-
Uint32 last_ticks = 0;
Uint32 elapsed_ticks = 0;
elapsed_ticks += ticks - last_ticks;
last_ticks = ticks;
- if (elapsed_ticks > TICKS_PER_FRAME*4) {
+ Uint32 ticks_per_frame = (Uint32) (TICKS_PER_FRAME * game_speed);
+
+ if (elapsed_ticks > ticks_per_frame*4) {
// when the game loads up or levels are switched the
- // elapsed_ticks grows extremly large, so we just ignore those
+ // elapsed_ticks grows extremely large, so we just ignore those
// large time jumps
elapsed_ticks = 0;
}
+ if(elapsed_ticks < ticks_per_frame)
+ {
+ Uint32 delay_ticks = ticks_per_frame - elapsed_ticks;
+ SDL_Delay(delay_ticks);
+ last_ticks += delay_ticks;
+ elapsed_ticks += delay_ticks;
+ }
+
int frames = 0;
- if (elapsed_ticks > TICKS_PER_FRAME) {
- while(elapsed_ticks > TICKS_PER_FRAME && frames < MAX_FRAME_SKIP) {
- elapsed_ticks -= TICKS_PER_FRAME;
+ while(elapsed_ticks >= ticks_per_frame && frames < MAX_FRAME_SKIP)
+ {
+ elapsed_ticks -= ticks_per_frame;
float timestep = 1.0 / LOGICAL_FPS;
real_time += timestep;
timestep *= speed;
frames += 1;
}
- draw(context);
- }
+ draw(context);
sound_manager->update();
-
- SDL_Delay(0);
}
}
+
+void
+MainLoop::take_screenshot()
+{
+ screenshot_requested = true;
+}
+
projects / supertux.git / blobdiff