#include "weapon.h"
#include "pilot.h"
#include "pause.h"

// Main thing with pausing is to allow things based on time to
// work properly when the toolkit opens a window.

int paused = 0; // Are we paused.

// From pilot.c
extern Pilot** pilot_stack;
extern int pilots;
// From main.c
extern unsigned int gtime;

static void pilots_pause(void);
static void pilots_unpause(void);

// Pause the game.
void pause(void) {
  if(paused) return; // Well well.. We are paused already.

  gtime -= SDL_GetTicks();
  pilots_pause();
  weapons_pause();

  paused = 0; // We should unpause it.
}

void unpause(void) {
  if(!paused) return; // We are unpaused already.

  gtime += SDL_GetTicks();
  pilots_unpause();
  weapons_unpause();

  paused = 0;
}

static void pilots_pause(void) {
  int i, j;
  unsigned int t = SDL_GetTicks();
  for(i = 0; i < pilots; i++) {
    pilot_stack[i]->tcontrol -= t;

    for(j = 0; j < MAX_AI_TIMERS; j++)
      pilot_stack[i]->timer[j] -= t;
  }
}

static void pilots_unpause(void) {
  int i, j;
  unsigned int t = SDL_GetTicks();
  for(i = 0; i < pilots; i++) {
    pilot_stack[i]->tcontrol += t;

    for(j = 0; j < MAX_AI_TIMERS; j++)
      pilot_stack[i]->timer[j] += t;
  }
}