Set dp branch as trunk

usefull.h

@@ -0,0 +1,44 @@
+//---------------------------------------------------------------------------
+#ifndef UsefullH
+#define UsefullH
+
+#include "dumb3d.h"
+#include "Logs.h"
+
+//#define	B1(t)     (t*t*t)
+//#define	B2(t)     (3*t*t*(1-t))
+//#define	B3(t)     (3*t*(1-t)*(1-t))
+//#define	B4(t)     ((1-t)*(1-t)*(1-t))
+//Ra: to jest mocno nieoptymalne: 10+3*4=22 mno¿enia, 6 odejmowañ, 3*3=9 dodawañ
+//Ra: po przeliczeniu wspó³czynników mamy: 3*3=9 mno¿eñ i 3*3=9 dodawañ
+//#define	Interpolate(t,p1,cp1,cp2,p2)     (B4(t)*p1+B3(t)*cp1+B2(t)*cp2+B1(t)*p2)
+
+//Ra: "delete NULL" nic nie zrobi, wiêc "if (a!=NULL)" jest zbêdne
+//#define SafeFree(a) if (a!=NULL) free(a)
+#define SafeDelete(a) { delete (a); a=NULL; }
+#define SafeDeleteArray(a) { delete[] (a); a=NULL; }
+
+#define sign(x) ((x)<0?-1:((x)>0?1:0))
+
+#define DegToRad(a) ((M_PI/180.0)*(a)) //(a) w nawiasie, bo mo¿e byæ dodawaniem
+#define RadToDeg(r) ((180.0/M_PI)*(r))
+
+#define Fix(a,b,c) {if (a<b) a=b; if (a>c) a=c;}
+
+#define asModelsPath AnsiString("models\\")
+#define asSceneryPath AnsiString("scenery\\")
+//#define asTexturePath AnsiString("textures\\")
+//#define asTextureExt AnsiString(".bmp")
+#define szSceneryPath "scenery\\"
+#define szTexturePath "textures\\"
+//#define szDefaultTextureExt ".dds"
+
+
+
+//#define DevelopTime     //FIXME
+//#define EditorMode
+
+//---------------------------------------------------------------------------
+#endif
+
+