From eb69825bd32ab65d7c9ea64175a759b803581d80 Mon Sep 17 00:00:00 2001
From: milang <milan.garnier@orange.fr>
Date: Thu, 29 Aug 2019 14:35:36 +0200
Subject: [PATCH] correct my bullshit on bitmaps :E

---
 build/src/render/translate.c.o | Bin 2936 -> 2732 bytes
 libfxengine.a                  | Bin 6082 -> 5878 bytes
 src/render/bitmap.c            |   4 ++--
 src/render/translate.c         |  19 +++++++------------
 4 files changed, 9 insertions(+), 14 deletions(-)

diff --git a/build/src/render/translate.c.o b/build/src/render/translate.c.o
index ca6c2935abf2749b09763f8249adccb2ac0f5ec6..192b9812bdc8f0130e14f3370e505b1a9fa71b23 100644
GIT binary patch
delta 747
zcmZ8dze`(D6#m}xCV4N9nkG+Eg)F8a4b)bP9Xbd;LZ>b|WPep}LLzFQiC~8kB@PxX
zSZ*l}4uwK#Aw$7Gpo`%8#1e~i=up}Y89J2E;?nbc_Y(EM;e6kBe%*WiCR>9$H?`Eu
z%t6B&8hbaLb}X3XJ}+6Zf8Zy0)3J)S6MwE9*$+~l&6{oe#3oHR@zcbM2yYg}+}r8w
zLbuY*-!6B({&wud^7Fj!5p^Di#wUX;ta2A7q^-#~^>5^?@bJzMQ4!Na%rQsK_A|O*
zjRlfEl5Zyfjp8i%xm^!JmE=i+Ihn5qG9dHoSNPTy{+jwZ`Ht*=e>tDWKA``hf|e}!
zbh!YBk{fX#MEHo@@Llq@SdA>_o)r1Ye7(rs`DzVrt+EW)bxVuY*?O(QOFmgzS>&Y&
z5i<&6&bZg0Q(W`^OQxlOeuXnYOyO}LuJC=pQn+vdKc-7aUH<|wg}(x}!ry=ag}(<i
z4S%uz3ouop0}Lws8@M4cTk9=g8$d$oo4uiIySJFV>dj=k7xX<~IOx4wd%7e(n9p?f
zM&zRDaHK^y7!@<ow9Y<@dNk{Yy&xR;p(8rcTN=cGl?{hIdibeutaQ?#{~}MW?0o!x
DL&|c8

delta 913
zcmaJ-O=uHA7=4?~Hb1Mj$+lI*qD>@L5F$-cNd%Ybp^aia6b~Y7VmE&_NtIObw%`^l
zqBOFCA|84WsZfYu@mxp{4+=3#Yg-YaT60tnOF&R((;Z`SaA4+p@B7|-@0*$Ls&(hR
zO!dy*lHz~tf9`+bU-EC1#Szb{xFU+YQcJRFVFO<wt6@G?6kWG1vRcsl9+ZPi!R3%x
z&#eYmf*(U`p_yP@mDO00R0hI)6*3zW;>U;igitw@W;4Qido*yFVGi%^weCF4`}^Z;
zLXe9m`PkdD-xG=|v%`E$cz3`^hxsoU`*DHI{fY#pf6uHZg*QF@yCUAGs@O+-Sv{kt
z^>O{8p3=c5^+Zut$=zb5$FQm5zed!@-R!f48Wmngyjqy?biiDqqxa{rZ@{xljAm7$
zG;P+$TllpWex2~A03*7|LGTR{NHg@A{8o$p9$?u)G<mcBq`5wb1%RC+f_YQ0*et+H
zliOVYM{tE~yRl8atd-ib`z0xJB`wDTkR&Odo`_E7QgYlNa_VY5JvNbpluKo`bGA{f
zU^}QR0$Ys-kj0dMZ4|!(+9`ey@DzUlIw<}GxG4S%xJ_&!b5Xse6A;WiOFqR)aeniz
zVi>b`8%^2!|A-y}4til0=%V-$u-(MmK*NAL0(8>+(MC^BZ1m)Y8a=sF;Qvm<ozcqn
zn-*?VJMZwc*(2mXPH0mOkA<7o<{UmFls7}o2(#KA=RRgZ8*=*EY*XYBYucpK)9oOm
LVUTRP>f`(YW(TxI

diff --git a/libfxengine.a b/libfxengine.a
index 259779f0fbaf343ac53c7f13fde65a84d7db218e..0878c63523d114dcccd5b8edda1e5295a2874548 100644
GIT binary patch
delta 781
zcmZ9KPiPZC6vn^ZO#UwB&raIZ5Cj*ArE1%xEsFH8^ysCRdhwDr-Grnx4Vd)cp+t=b
z#R^SE#DfPx5D!Jf9K0zM!RuBfEyaU^)E;{9AbauRY<9=A9eBLo_r3RKc8A#-vo39%
zA=yl3s-<1`CIOmcKjeW{>z!>*w&R1Hywvvm7h&(!o|xhllD#~UWy$!6989rx;A7q#
z8hbgb=?a1+k2zST`}hT;sVfDl#~w)A^h(O4Mzc$IDEF8i+fyI;jb?%6U(BYLtg<z8
zp=6oiZe&NX>xSnVpZww-pLVKHN*0?BX+#g6{o84W7-=j4c*A2|1tgvqc=T4(NmXu7
za~yW-b;kzW`kfQ{;R*eO&l@~8-1%3>>oe#8@*m!?={9^g-hfZ84#WU2=WQMVJ6zpm
z`;nF5n+0Qav0gB8i`5!(wekvbxm<C%x=^o`jiN0otII}lf~`g8m>JD9hJaJ{|MDfJ
zfUw|mKt%935EDEJD1zsX@I1c>*OzwzBKRAB2ZFx?alt>Go`!v}d;kPR;Sd-Q{2NHP
zOm6oNAol=O`1kvplJ)+<<Z*vb^7M%R3^?t~j@E8fSVCQs$#WL+Yd-%bzk`eHy{gIN
xD;t#)tm2Q@7@}!AW$kpxZqV}**j<|T`Aq)td+asU<iIZbOh<aJ|80EB^A9BegTep+

delta 996
zcmaJ=O-vI(6n?wgrLC)$?iMk|Vkt>QqHbv$#A0y$IS3NqpkCX`c1xv&n5yx%iEAP;
zD&UxCj0X<HU}Ay^1U(r-iQ%9Lq5%OzG-&0h9yUZ1b++BH!of*q=KJ3J-uq@Jv--YC
zvA@FN57yTXcu%uA03nAy(q#h!PxHai7HXI&pfyW7Q(*`_9>2#Jg|*i2uM34dp1{Fi
z9cmS7X!|O<ZJScXhvK;SLYxzGGg6y(QCg5BPF?F{QbG>CfUGrh@vP*$Nz2-ZUVVQi
zJQtpCkn*v`@IrXGVX2`ntZ1?p&*Ds|nOg;!i3`fHCN3e&)}@%Vu;PdX&r{TaU6qy{
zt(+K8n1mo_Pjc}$XTBv=O=g<7xbSwb5pL!_L&x{COy*ZK*!#P0rBitA4(yCp#WdB{
z=IhqedP?uo&*@1WxK2Hhl{H+Oopl>FtMFeV;=`}^*-VT^UPY_WGrPAG%put;e;)n{
zFuH6<7Bxn~X1;3!zr2B8!TbpTCGmK{_!{1DGpIKCjSc#{0Q7dO={NI_*5{AH7yvVj
z1&>X^#Cicto80CEU@@M>(`HPQ&!d2&dru^izL=7gAVeY&CDjwVkV(plLFDA6e7K`0
z1CdO!8%;Y-A$O@?odDQkd;lKQ6u?%3UjjG?eh0u2{2ri`;12*!f<FQ9CZ_SZh@N)g
zr)<U<d?^-!`wO+IVa(hqHf8SpBYFT}Ck2B5Wdsial$)3h6%E*W02hfLD)wZhVo&x&
zu_xOC+}{(i?Woatonp}u-i6#&$0l18U&(QNJS+N9Rzb79Xg^(!(pHB78+o6xDaJO4
iZt=URF*MHmN~~9L!4i7D%}d*dP>E1e_-RAJB=ZN`x6A|p

diff --git a/src/render/bitmap.c b/src/render/bitmap.c
index f953449..c485d45 100644
--- a/src/render/bitmap.c
+++ b/src/render/bitmap.c
@@ -6,11 +6,11 @@ inline uint8_t bitmap_get_pixel_r(const bitmap_rich * bmp, uint32_t x, uint32_t
     if (x >= bmp->size_px_x || y >= bmp->size_px_y)
         return 0;
 
-    const uint32_t indice = y * bmp->size_o_y + x >> 5;
+    const uint32_t indice = y * bmp->size_o_y + (x >> 5);
 
     const uint32_t numero_bit = 31 - x % 32;
 
-    return  ( bmp->layout[indice] | 1 << numero_bit ) << 1 + ( bmp->color[indice] | 1 << numero_bit );
+    return  (( bmp->layout[indice] | 1 << numero_bit ) << 1) + ( bmp->color[indice] | 1 << numero_bit );
 }
 
 
diff --git a/src/render/translate.c b/src/render/translate.c
index b6b203f..a10e4ac 100644
--- a/src/render/translate.c
+++ b/src/render/translate.c
@@ -8,7 +8,7 @@ const double pi2 = pi * 2;
 const double pi_sur_2 = pi / 2;
 
 
-static double reducted_cos(const double a)
+inline double reducted_cos(const double a)
 {
     double u= 1.0;
 	const double a2 = a * a;
@@ -27,19 +27,14 @@ double modulo_2pi(double a)
     return a;
 }
 
-static double cos_recursive(double angle)
-{
-	if (angle<0)
-		return cos_recursive(-angle);
-	if (angle>=pi_sur_2)
-		return -reducted_cos(angle - pi);
-    return reducted_cos(angle); // OK
-}
-
 double cos(double angle)
 {
     angle = modulo_2pi(angle);
-    return cos_recursive(angle);
+    if (angle<0)
+        angle=-angle;
+    if (angle>=pi_sur_2)
+        return -reducted_cos(angle - pi);
+    return reducted_cos(angle);
 }
 
 double sin(double angle)
@@ -120,4 +115,4 @@ void render_set(const double dh, const double dv, const double roulis, const FE_
 
     // assigner delta
     memcpy(&delta, camera, sizeof(FE_integer_position));
-}
\ No newline at end of file
+}