Add time multiplier

TODO.txt

@@ -1,15 +1,15 @@
 general:
 
 - Refactor.
+- Polish controls (bindings, mouse sensitivity etc.).
+- Polish weapon switching, maybe add a key to switch to previous weapon?
 - Port to OpenDingux.
-- Rewrite python scripts to C (faster, less bloat).
+- Rewrite python scripts to C (faster, less bloat, fewer dependencies).
-- Try to recolor textures and give them a bit more of variety.
 - automatic tests: a frontend that will play the game, check the state, rendered
   frames etc.
 - try to remove the debug flag (-g1) from compiler and see if it decreases size
 - compile on BSD and WinShit
 - make SFML frontend
-- add time slowdown constant
 - Port to some fantasy console?
 - run on raspbery pi
 
@@ -124,6 +124,7 @@ level ideas:
   over a hole, leading to an easter egg
 - start of level: a corner blocked by an invisible wall, to indicate entrance    DONE
 - small pyramid from diffetently elevated floor tiles
+- add time slowdown constant
 
 bugs:
 
@@ -204,6 +205,7 @@ done:
 - Player can be thrown inside a wall (by an explosion it seems), seems to happen
   near door. If this can't be prevented completely, automatically unstuck the
   player into a playable area.
+- Try to recolor textures and give them a bit more of variety.
 
 scratched:
 - option for disabling wall transparency, for performance?

main_sdl.c

@@ -31,6 +31,8 @@
 //  #define SFG_REVEAL_MAP 1
   #define SFG_INFINITE_AMMO 1
 
+// #define SFG_TIME_MULTIPLIER 512
+
 // uncomment for perfomance debug 
 //#define SFG_CPU_LOAD(percent) printf("CPU load: %d%\n",percent);
 

settings.h

@@ -21,7 +21,9 @@
 
 /**
   Time multiplier in SFG_Units (1.0 == 1024). This can be used to slow down or
-  speed up the game.
+  speed up the game. Note that this also changes the rendering FPS accordingly
+  (e.g. half FPS at half speed), so if you want to keep the FPS, divide it by
+  the multiplier value.
 */
 
 #ifndef SFG_TIME_MULTIPLIER