Fix some details

TODO.txt

@@ -61,6 +61,8 @@
 
 =========== BUGS =================
 
+- sometimes the games prints huge long ass number of newlines, WHY (happens
+  when driving on accelerator)
 - immediately after starting the map countdown seems to be lower
 - the pinch collision test seems to sometimes stop the car e.g. after falling
   from bigger height or when running into ramp at high speed (or not?) - FIX

frontend_sdl.c

@@ -5,12 +5,15 @@
 
 #define DATA_FILE_NAME "data"
 
-#include "game.h"
+#define LCR_LOADING_COMMAND SDL_PumpEvents(); SDL_RenderPresent(renderer);
 
 SDL_Window *window;
 SDL_Renderer *renderer;
 SDL_Texture *texture;
 SDL_Surface *screenSurface;
+
+#include "game.h"
+
 uint16_t screen[LCR_SETTING_RESOLUTION_X * LCR_SETTING_RESOLUTION_Y];
 
 FILE *musicFile = 0;
@@ -106,7 +109,7 @@ uint8_t LCR_keyPressed(uint8_t key)
 
 void LCR_sleep(uint16_t timeMs)
 {
-  usleep(timeMs * 1000);
+  SDL_Delay(timeMs);
 }
 
 void LCR_drawPixel(unsigned long index, uint16_t color)
@@ -221,9 +224,15 @@ int main(int argc, char *argv[])
 
   while (running)
   {
-    SDL_PumpEvents();
+    SDL_Event event;
+
+    running = 1;
+
+    while (SDL_PollEvent(&event))
+      if (event.type == SDL_QUIT)
+        running = 0;
+
     keyboardState = SDL_GetKeyboardState(NULL);
-    running = !keyboardState[SDL_SCANCODE_Q];
 
     running &= LCR_gameStep(SDL_GetTicks());
 

game.h

@@ -167,6 +167,15 @@ uint8_t LCR_gameMusicOn(void);
 */
 uint8_t LCR_gameGetNextAudioSample(void);
 
+/**
+  This macro may be redefined by frontend to a command that will be periodically
+  performed during map loading. This exists to prevent making the program seem
+  unresponsive or being killed by a watchdog.
+*/
+#ifndef LCR_LOADING_COMMAND
+  #define LCR_LOADING_COMMAND ;
+#endif
+
 //------------------------------------------------------------------------------
 
 #define LCR_LOG0(s) ;

renderer.h

@@ -903,6 +903,13 @@ uint8_t _LCR_buildMapModel(void)
       vx, vy, vz, // vertex coords
       vi = 0;     // vertex index (0, 1 or 2)
 
+#ifdef LCR_LOADING_COMMAND
+    if (j % 64 == 0)
+    {
+      LCR_LOADING_COMMAND
+    }
+#endif
+
     LCR_mapBlockGetCoords(block,&bx,&by,&bz);
 
     LCR_mapGetBlockShape(blockType,LCR_mapBlockGetTransform(block),