X-Git-Url: http://deadsoftware.ru/gitweb?a=blobdiff_plain;f=src%2Fgame%2Fg_phys.pas;h=3ff102b6e00b3220b8ce658b4cc7666726468820;hb=cf4041fda8857d538748aee9ddb3a13cad6157ab;hp=a2a94cea42376c58a14dccfd0eb57cf9e0f10205;hpb=d9d3a0c332180fea8e937779788bca39fa500025;p=d2df-sdl.git

diff --git a/src/game/g_phys.pas b/src/game/g_phys.pas
index a2a94ce..3ff102b 100644
--- a/src/game/g_phys.pas
+++ b/src/game/g_phys.pas
@@ -2,8 +2,7 @@
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * the Free Software Foundation, version 3 of the License ONLY.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -18,8 +17,7 @@ unit g_phys;
 
 interface
 
-uses
-  e_graphics;
+  uses g_base;
 
 type
   PObj = ^TObj;
@@ -32,6 +30,9 @@ type
     // this is purely visual change, it won't affect anything else
     slopeUpLeft: Integer; // left to go
     slopeFramesLeft: Integer; // frames left to go
+    // for frame interpolation
+    oldX, oldY: Integer;
+    procedure lerp(t: Single; out fX, fY: Integer);
   end;
 
 const
@@ -75,14 +76,23 @@ var
 
 implementation
 
-uses
-  g_map, g_basic, Math, g_player, g_console, SysUtils,
-  g_sound, g_gfx, MAPDEF, g_monsters, g_game, utils;
+  uses
+    {$IFDEF ENABLE_GFX}
+      g_gfx,
+    {$ENDIF}
+    g_map, g_basic, Math, g_player, g_console, SysUtils,
+    g_sound, MAPDEF, g_monsters, g_game, utils
+  ;
 
 
 const
   SmoothSlopeFrames = 4;
 
+procedure TObj.lerp(t: Single; out fX, fY: Integer);
+begin
+  fX := nlerp(oldX, X, t);
+  fY := nlerp(oldY, Y, t);
+end;
 
 function g_Obj_StayOnStep(Obj: PObj): Boolean; inline;
 begin
@@ -219,11 +229,13 @@ begin
       g_Sound_PlayExAt('SOUND_GAME_BULK2', Obj^.X, Obj^.Y);
   end;
 
-  g_GFX_Water(Obj^.X+Obj^.Rect.X+(Obj^.Rect.Width div 2),
-              Obj^.Y+Obj^.Rect.Y+(Obj^.Rect.Height div 2),
-              Min(5*(abs(Obj^.Vel.X)+abs(Obj^.Vel.Y)), 50),
-              -Obj^.Vel.X, -Obj^.Vel.Y,
-              Obj^.Rect.Width, 16, Color);
+  {$IFDEF ENABLE_GFX}
+    g_GFX_Water(Obj^.X+Obj^.Rect.X+(Obj^.Rect.Width div 2),
+                Obj^.Y+Obj^.Rect.Y+(Obj^.Rect.Height div 2),
+                Min(5*(abs(Obj^.Vel.X)+abs(Obj^.Vel.Y)), 50),
+                -Obj^.Vel.X, -Obj^.Vel.Y,
+                Obj^.Rect.Width, 16, Color);
+  {$ENDIF}
 end;