center intro on higher resolutions.

Author: Warboy1982

src/Engine/Flc.cpp

@@ -197,7 +197,7 @@ void SS2()
   Uint16 Lines, Count;
 
   pSrc=flc.pChunk+6;
-  pDst=(Uint8*)flc.mainscreen->pixels;
+  pDst=(Uint8*)flc.mainscreen->pixels + flc.offset;
   ReadU16(&Lines, pSrc);
   pSrc+=2;
   while(Lines--) {
@@ -257,7 +257,7 @@ void DECODE_BRUN()
 
   HeightCount=flc.HeaderHeight;
   pSrc=flc.pChunk+6;
-  pDst=(Uint8*)flc.mainscreen->pixels;
+  pDst=(Uint8*)flc.mainscreen->pixels + flc.offset;
   while(HeightCount--) {
     pTmpDst=pDst;
     PacketsCount=*(pSrc++);
@@ -291,7 +291,7 @@ void DECODE_LC()
   int PacketsCount;
 
   pSrc=flc.pChunk+6;
-  pDst=(Uint8*)flc.mainscreen->pixels;
+  pDst=(Uint8*)flc.mainscreen->pixels + flc.offset;
 
   ReadU16(&tmp, pSrc);
   pSrc+=2;
@@ -355,7 +355,7 @@ void DECODE_COPY()
 { Uint8 *pSrc, *pDst;
   int Lines = flc.screen_h;
   pSrc=flc.pChunk+6;
-  pDst=(Uint8*)flc.mainscreen->pixels;
+  pDst=(Uint8*)flc.mainscreen->pixels + flc.offset;
   while(Lines-- > 0) {
     memcpy(pDst, pSrc, flc.screen_w);
     pSrc+=flc.screen_w;
@@ -366,7 +366,7 @@ void DECODE_COPY()
 void BLACK()
 { Uint8 *pDst;
   int Lines = flc.screen_h;
-  pDst=(Uint8*)flc.mainscreen->pixels;
+  pDst=(Uint8*)flc.mainscreen->pixels + flc.offset;
   while(Lines-- > 0) {
     memset(pDst, 0, flc.screen_w);
     pDst+=flc.mainscreen->pitch;
@@ -489,6 +489,7 @@ void FlcMain(void (*frameCallBack)())
 { flc.quit=false;
   SDL_Event event;
   FlcInitFirstFrame();
+  flc.offset = flc.dy*flc.mainscreen->pitch + flc.mainscreen->format->BytesPerPixel*flc.dx;
   while(!flc.quit) {
 	if (frameCallBack) (*frameCallBack)();
     flc.FrameCount++;

src/Engine/Flc.h

@@ -67,6 +67,8 @@ struct Flc_t {
   int screen_h;
   int screen_depth;
   int loop;
+  int dx, dy;
+  int offset;
   bool quit;
 };
 

src/Menu/StartState.cpp

@@ -451,6 +451,8 @@ void StartState::think()
 				audioSequence = new AudioSequence(_game->getResourcePack());
 				Flc::flc.realscreen = _game->getScreen();
 				Flc::FlcInit(introFile.c_str());
+				Flc::flc.dx = (Options::getInt("baseXResolution") - 320) / 2;
+				Flc::flc.dy = (Options::getInt("baseYResolution") - 200) / 2;
 				Flc::flc.loop = 0; // just the one time, please
 				Flc::FlcMain(&audioHandler);
 				Flc::FlcDeInit();