added configurable debug key shortcuts for changing game/menu frame rate

[rocksndiamonds.git] / src / events.c

diff --git a/src/events.c b/src/events.c
index d9104aa1be04172a8d64bc8be39b3afd8c57fb46..3997764e0dfdb948517b13950db73e2eb260e0ac 100644 (file)
--- a/src/events.c
+++ b/src/events.c
@@ -19,7 +19,7 @@
 #include "editor.h"
 #include "files.h"
 #include "tape.h"
-#include "cartoons.h"
+#include "anim.h"
 #include "network.h"
 
 
@@ -289,9 +289,6 @@ void HandleMouseCursor()
 
 void EventLoop(void)
 {
-  unsigned int sync_frame_delay = 0;
-  unsigned int sync_frame_delay_value = GAME_FRAME_DELAY;
-
   while (1)
   {
     if (PendingEvent())
@@ -308,11 +305,11 @@ void EventLoop(void)
     if (game_status == GAME_MODE_PLAYING)
       HandleGameActions();
 
-    /* refresh window contents from drawing buffer, if needed */
+    /* always copy backbuffer to visible screen for every video frame */
     BackToFront();
 
-    if (game_status != GAME_MODE_PLAYING)
-      WaitUntilDelayReached(&sync_frame_delay, sync_frame_delay_value);
+    /* reset video frame delay to default (may change again while playing) */
+    SetVideoFrameDelay(MenuFrameDelay);
 
     if (game_status == GAME_MODE_QUIT)
       return;
@@ -463,10 +460,13 @@ void HandleWindowEvent(WindowEvent *event)
        event_name, event->data1, event->data2);
 #endif
 
+#if 0
+  // (not needed, as the screen gets redrawn every 20 ms anyway)
   if (event->event == SDL_WINDOWEVENT_SIZE_CHANGED ||
       event->event == SDL_WINDOWEVENT_RESIZED ||
       event->event == SDL_WINDOWEVENT_EXPOSED)
     SDLRedrawWindow();
+#endif
 
   if (event->event == SDL_WINDOWEVENT_RESIZED && !video.fullscreen_enabled)
   {
@@ -480,8 +480,10 @@ void HandleWindowEvent(WindowEvent *event)
       int new_xpercent = (100 * new_window_width  / video.width);
       int new_ypercent = (100 * new_window_height / video.height);
 
-      setup.window_scaling_percent = video.window_scaling_percent =
-       MIN(MAX(MIN_WINDOW_SCALING_PERCENT, MIN(new_xpercent, new_ypercent)),
+      // (extreme window scaling allowed, but cannot be saved permanently)
+      video.window_scaling_percent = MIN(new_xpercent, new_ypercent);
+      setup.window_scaling_percent =
+       MIN(MAX(MIN_WINDOW_SCALING_PERCENT, video.window_scaling_percent),
            MAX_WINDOW_SCALING_PERCENT);
 
       video.window_width  = new_window_width;
@@ -1159,6 +1161,7 @@ static void HandleKeysSpecial(Key key)
 void HandleKey(Key key, int key_status)
 {
   boolean anyTextGadgetActiveOrJustFinished = anyTextGadgetActive();
+  static boolean ignore_repeated_key = FALSE;
   static struct SetupKeyboardInfo ski;
   static struct SetupShortcutInfo ssi;
   static struct
@@ -1326,12 +1329,18 @@ void HandleKey(Key key, int key_status)
     key_joystick_mapping = 0;
 
   if (key_status == KEY_RELEASED)
+  {
+    // reset flag to ignore repeated "key pressed" events after key release
+    ignore_repeated_key = FALSE;
+
     return;
+  }
 
   if ((key == KSYM_F11 ||
        ((key == KSYM_Return ||
         key == KSYM_KP_Enter) && (GetKeyModState() & KMOD_Alt))) &&
-      video.fullscreen_available)
+      video.fullscreen_available &&
+      !ignore_repeated_key)
   {
     setup.fullscreen = !setup.fullscreen;
 
@@ -1340,14 +1349,19 @@ void HandleKey(Key key, int key_status)
     if (game_status == GAME_MODE_SETUP)
       RedrawSetupScreenAfterFullscreenToggle();
 
+    // set flag to ignore repeated "key pressed" events
+    ignore_repeated_key = TRUE;
+
     return;
   }
 
   if ((key == KSYM_minus ||
        key == KSYM_plus ||
+       key == KSYM_equal ||    // ("Shift-=" is "+" on US keyboards)
        key == KSYM_0) &&
       ((GetKeyModState() & KMOD_Control) ||
-       (GetKeyModState() & KMOD_Alt)) &&
+       (GetKeyModState() & KMOD_Alt) ||
+       (GetKeyModState() & KMOD_Meta)) &&
       video.window_scaling_available &&
       !video.fullscreen_enabled)
   {
@@ -1509,10 +1523,6 @@ void HandleKey(Key key, int key_status)
          break;
 
 #ifdef DEBUG
-       case KSYM_0:
-         GameFrameDelay = (GameFrameDelay == 500 ? GAME_FRAME_DELAY : 500);
-         break;
-
        case KSYM_b:
          setup.sp_show_border_elements = !setup.sp_show_border_elements;
          printf("Supaplex border elements %s\n",
@@ -1539,20 +1549,6 @@ void HandleKey(Key key, int key_status)
          break;
 
 #ifdef DEBUG
-       case KSYM_0:
-         if (key == KSYM_0)
-         {
-           if (GameFrameDelay == 500)
-             GameFrameDelay = GAME_FRAME_DELAY;
-           else
-             GameFrameDelay = 500;
-         }
-         else
-           GameFrameDelay = (key - KSYM_0) * 10;
-         printf("Game speed == %d%% (%d ms delay between two frames)\n",
-                GAME_FRAME_DELAY * 100 / GameFrameDelay, GameFrameDelay);
-         break;
-
        case KSYM_d:
          if (options.debug)
          {
@@ -1588,6 +1584,41 @@ void HandleKey(Key key, int key_status)
        return;
       }
   }
+
+#ifdef DEBUG
+  if (game_status == GAME_MODE_PLAYING || !setup.debug.frame_delay_game_only)
+  {
+    boolean mod_key_pressed = ((GetKeyModState() & KMOD_Control) ||
+                              (GetKeyModState() & KMOD_Alt) ||
+                              (GetKeyModState() & KMOD_Meta));
+
+    for (i = 0; i < NUM_DEBUG_FRAME_DELAY_KEYS; i++)
+    {
+      if (key == setup.debug.frame_delay_key[i] &&
+         (mod_key_pressed || !setup.debug.frame_delay_use_mod_key))
+      {
+       GameFrameDelay = (GameFrameDelay != setup.debug.frame_delay[i] ?
+                         setup.debug.frame_delay[i] : GAME_FRAME_DELAY);
+
+       if (!setup.debug.frame_delay_game_only)
+         MenuFrameDelay = GameFrameDelay;
+
+       SetVideoFrameDelay(GameFrameDelay);
+
+       if (GameFrameDelay > ONE_SECOND_DELAY)
+         Error(ERR_DEBUG, "frame delay == %d ms", GameFrameDelay);
+       else if (GameFrameDelay != 0)
+         Error(ERR_DEBUG, "frame delay == %d ms (max. %d fps / %d %%)",
+               GameFrameDelay, ONE_SECOND_DELAY / GameFrameDelay,
+               GAME_FRAME_DELAY * 100 / GameFrameDelay);
+       else
+         Error(ERR_DEBUG, "frame delay == 0 ms (maximum speed)");
+
+       break;
+      }
+    }
+  }
+#endif
 }
 
 void HandleNoEvent()
@@ -1611,15 +1642,6 @@ void HandleNoEvent()
   {
     case GAME_MODE_MAIN:
       DrawPreviewLevelAnimation();
-      DoAnimation();
-      break;
-
-    case GAME_MODE_LEVELS:
-    case GAME_MODE_LEVELNR:
-    case GAME_MODE_SETUP:
-    case GAME_MODE_INFO:
-    case GAME_MODE_SCORES:
-      DoAnimation();
       break;
 
     case GAME_MODE_EDITOR: