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* graphical cursors are now posiible, however the code is a bit ugly and eats significant amount of resources (up to 15% of my CPU power)

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This commit is contained in:
mateuszb
2007-08-21 13:48:18 +00:00
parent 8c445b0ada
commit 6d3a042add
9 changed files with 354 additions and 5 deletions
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237
CCursorHandler.cpp Normal file
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@@ -0,0 +1,237 @@
#include "stdafx.h"
#include "CCursorHandler.h"
#include "SDL.h"
#include "SDL_thread.h"
#include "CGameInfo.h"
#include "SDL_framerate.h"
extern SDL_Surface * screen;
/* Creates a new mouse cursor from an XPM */
/* XPM */
static const char *arrow[] = { //no cursor mode
/* width height num_colors chars_per_pixel */
" 32 32 3 1",
/* colors */
"X c #000000",
". c #ffffff",
" c None",
/* pixels */
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
"0,0"
};
/* XPM */
static const char *arrow2[] = { //normal cursor
/* width height num_colors chars_per_pixel */
" 32 32 3 1",
/* colors */
"X c #000000",
". c #ffffff",
" c None",
/* pixels */
"X ",
"XX ",
"X.X ",
"X..X ",
"X...X ",
"X....X ",
"X.....X ",
"X......X ",
"X.......X ",
"X........X ",
"X.....XXXXX ",
"X..X..X ",
"X.X X..X ",
"XX X..X ",
"X X..X ",
" X..X ",
" X..X ",
" X..X ",
" XX ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
"0,0"
};
static SDL_Cursor *init_system_cursor(const char *image[])
{
int i, row, col;
Uint8 data[4*32];
Uint8 mask[4*32];
int hot_x, hot_y;
i = -1;
for ( row=0; row<32; ++row ) {
for ( col=0; col<32; ++col ) {
if ( col % 8 ) {
data[i] <<= 1;
mask[i] <<= 1;
} else {
++i;
data[i] = mask[i] = 0;
}
switch (image[4+row][col]) {
case 'X':
data[i] |= 0x01;
//k[i] |= 0x01;
break;
case '.':
mask[i] |= 0x01;
break;
case ' ':
break;
}
}
}
sscanf(image[4+row], "%d,%d", &hot_x, &hot_y);
return SDL_CreateCursor(data, mask, 32, 32, hot_x, hot_y);
}
//int cursorHandlerFunc(void * cursorHandler)
//{
// FPSmanager * cursorFramerateKeeper = new FPSmanager;
// SDL_initFramerate(cursorFramerateKeeper);
// SDL_setFramerate(cursorFramerateKeeper, 200);
//
// CCursorHandler * ch = (CCursorHandler *) cursorHandler;
// while(true)
// {
// if(ch->xbef!=-1 && ch->ybef!=-1) //restore surface under cursor
// {
// blitAtWR(ch->behindCur, ch->xbef, ch->ybef);
// }
// ch->xbef = ch->xpos;
// ch->ybef = ch->ypos;
// //prepare part of surface to restore
// SDL_BlitSurface(screen, &genRect(32, 32, ch->xpos, ch->ypos), ch->behindCur, NULL);
// CSDL_Ext::update(ch->behindCur);
//
// //blit cursor
// if(ch->curVisible)
// {
// switch(ch->mode)
// {
// case 0:
// {
// break;
// }
// case 1:
// {
// break;
// }
// case 2:
// {
// blitAtWR(ch->deflt->ourImages[ch->number].bitmap, ch->xpos, ch->ypos);
// break;
// }
// }
// }
// SDL_framerateDelay(cursorFramerateKeeper);
// //SDL_Delay(5); //to avoid great usage of CPU
// }
// return 0;
//}
void CCursorHandler::initCursor()
{
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
int rmask = 0xff000000;
int gmask = 0x00ff0000;
int bmask = 0x0000ff00;
int amask = 0x000000ff;
#else
int rmask = 0x000000ff;
int gmask = 0x0000ff00;
int bmask = 0x00ff0000;
int amask = 0xff000000;
#endif
curVisible = true;
xpos = ypos = 0;
behindCur = SDL_CreateRGBSurface(SDL_SWSURFACE, 32, 32, 32, rmask, gmask, bmask, amask);
xbef = ybef = 0;
std::vector<Entry> pom = CGI->spriteh->entries.vectorize();
adventure = CGI->spriteh->giveDef("CRADVNTR.DEF");
combat = CGI->spriteh->giveDef("CRCOMBAT.DEF");
deflt = CGI->spriteh->giveDef("CRDEFLT.DEF");
spell = CGI->spriteh->giveDef("CRSPELL.DEF");
//SDL_SetCursor(init_system_cursor(arrow));
//SDL_Thread * myth = SDL_CreateThread(&cursorHandlerFunc, this);
}
void CCursorHandler::changeGraphic(int type, int no)
{
mode = type;
number = no;
}
void CCursorHandler::cursorMove(int x, int y)
{
xbef = xpos;
ybef = ypos;
xpos = x;
ypos = y;
}
void CCursorHandler::hardwareCursor()
{
curVisible = false;
SDL_SetCursor(init_system_cursor(arrow2));
}
void CCursorHandler::hideCursor()
{
curVisible = false;
SDL_SetCursor(init_system_cursor(arrow));
}
void CCursorHandler::showGraphicCursor()
{
curVisible = true;
SDL_SetCursor(init_system_cursor(arrow));
changeGraphic(0, 0);
}

30
CCursorHandler.h Normal file
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@@ -0,0 +1,30 @@
#ifndef CCURSORHANDLER_H
#define CCURSORHANDLER_H
struct SDL_Thread;
struct CDefHandler;
struct SDL_Surface;
class CCursorHandler //handles cursor
{
public:
SDL_Thread * myThread; //thread that updates cursor
bool curVisible; //true if cursor is visible
int mode, number;
SDL_Surface * behindCur;
int xbef, ybef; //position of cursor after last move (to restore background)
CDefHandler * adventure, * combat, * deflt, * spell; //read - only
int xpos, ypos; //position of cursor - read only
void initCursor(); //inits cursorHandler
void showGraphicCursor(); //shows default graphic cursor
void cursorMove(int x, int y); //change cursor's positions to (x, y)
void changeGraphic(int type, int no); //changes cursor graphic for type type (0 - adventure, 1 - combat, 2 - default, 3 - spellbook) and frame no (not used for type 3)
void hideCursor(); //no cursor will be visible
void hardwareCursor(); // returns to hardware cursor mode
friend int cursorHandlerFunc(void * cursorHandler);
};
#endif //CCURSORHANDLER_H

4
CGameInfo.h
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@@ -22,6 +22,8 @@
#include "mapHandler.h"
#include "CConsoleHandler.h"
#include "CPathfinder.h"
#include "CCursorHandler.h"
#include "CScreenHandler.h"
#include "SDL.h"
#include <vector>
@@ -55,6 +57,8 @@ public:
CGeneralTextHandler * generaltexth;
CConsoleHandler * consoleh;
CPathfinder * pathf;
CCursorHandler * curh;
CScreenHandler * screenh;
int localPlayer;
std::vector<CGameInterface *> playerint;
std::vector<SDL_Color> playerColors;

9
CGameInterface.cpp
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@@ -100,7 +100,8 @@ void CPlayerInterface::yourTurn()
//framerate keeper initialized
for(;;) // main loop
{
CGI->screenh->updateScreen();
LOCPLINT->adventureInt->updateScreen = false;
if(SDL_PollEvent(&sEvent)) //wait for event...
{
@@ -163,6 +164,12 @@ void CPlayerInterface::yourTurn()
void CPlayerInterface::handleEvent(SDL_Event *sEvent)
{
current = sEvent;
if(sEvent->type == SDL_MOUSEMOTION)
{
CGI->curh->cursorMove(sEvent->motion.x, sEvent->motion.y);
}
if(sEvent->type==SDL_QUIT)
exit(0);
else if (sEvent->type==SDL_KEYDOWN)

16
CMT.cpp
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@@ -38,6 +38,8 @@
#include "CPreGame.h"
#include "CGeneralTextHandler.h"
#include "CConsoleHandler.h"
#include "CCursorHandler.h"
#include "CScreenHandler.h"
#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__)
# include <fcntl.h>
@@ -56,7 +58,7 @@ const char * NAME = "VCMI 0.3";
level is supplied, Z_VERSION_ERROR if the version of zlib.h and the
version of the library linked do not match, or Z_ERRNO if there is
an error reading or writing the files. */
SDL_Surface * ekran;
SDL_Surface * ekran, * screen, * screen2;
TTF_Font * TNRB16, *TNR, *GEOR13, *GEORXX;
int _tmain(int argc, _TCHAR* argv[])
@@ -70,7 +72,7 @@ int _tmain(int argc, _TCHAR* argv[])
int xx=0, yy=0, zz=0;
SDL_Event sEvent;
srand ( time(NULL) );
SDL_Surface *screen, *temp;
SDL_Surface *temp;
std::vector<SDL_Surface*> Sprites;
float i;
if(SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_AUDIO/*|SDL_INIT_EVENTTHREAD*/)==0)
@@ -98,7 +100,8 @@ int _tmain(int argc, _TCHAR* argv[])
// well, there's no music, but most games don't break without music...
}*/
screen = SDL_SetVideoMode(800,600,24,SDL_SWSURFACE|SDL_DOUBLEBUF/*|SDL_FULLSCREEN*/);
screen2 = SDL_SetVideoMode(800,600,24,SDL_SWSURFACE|SDL_DOUBLEBUF/*|SDL_FULLSCREEN*/);
screen = SDL_ConvertSurface(screen2, screen2->format, SDL_SWSURFACE);
ekran = screen;
SDL_WM_SetCaption(NAME,""); //set window title
@@ -107,6 +110,7 @@ int _tmain(int argc, _TCHAR* argv[])
cgi->consoleh = new CConsoleHandler;
cgi->consoleh->runConsole();
cgi->mush = mush;
cgi->curh = new CCursorHandler;
THC std::cout<<"Initializing screen, fonts and sound handling: "<<tmh.getDif()<<std::endl;
cgi->spriteh = new CLodHandler;
@@ -114,6 +118,12 @@ int _tmain(int argc, _TCHAR* argv[])
cgi->bitmaph = new CLodHandler;
cgi->bitmaph->init(std::string("Data\\H3bitmap.lod"));
cgi->curh->initCursor();
cgi->curh->showGraphicCursor();
cgi->screenh = new CScreenHandler;
cgi->screenh->initScreen();
//colors initialization
SDL_Color p;
p.unused = 0;

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CPreGame.cpp
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43
CScreenHandler.cpp Normal file
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@@ -0,0 +1,43 @@
#include "stdafx.h"
#include "CScreenHandler.h"
#include "SDL.h"
#include "SDL_thread.h"
#include "SDL_framerate.h"
#include "SDL_Extensions.h"
#include "CGameInfo.h"
extern SDL_Surface * screen, * screen2;
void CScreenHandler::initScreen()
{
//myth = SDL_CreateThread(&internalScreenFunc, this);
}
void CScreenHandler::updateScreen()
{
blitAt(screen, 0, 0, screen2);
switch(CGI->curh->mode)
{
case 0:
{
blitAt(CGI->curh->adventure->ourImages[CGI->curh->number].bitmap, CGI->curh->xpos, CGI->curh->ypos, screen2);
break;
}
case 1:
{
blitAt(CGI->curh->combat->ourImages[CGI->curh->number].bitmap, CGI->curh->xpos, CGI->curh->ypos, screen2);
break;
}
case 2:
{
blitAt(CGI->curh->deflt->ourImages[CGI->curh->number].bitmap, CGI->curh->xpos, CGI->curh->ypos, screen2);
break;
}
case 3:
{
blitAt(CGI->curh->spell->ourImages[CGI->curh->number].bitmap, CGI->curh->xpos, CGI->curh->ypos, screen2);
break;
}
}
CSDL_Ext::update(screen2);
}

17
CScreenHandler.h Normal file
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@@ -0,0 +1,17 @@
#ifndef CSCREENHANDLER_H
#define CSCREENHANDLER_H
struct SDL_Thread;
class CScreenHandler
{
private:
SDL_Thread * myth;
public:
void initScreen();
void updateScreen();
};
#endif //CSCREENHANDLER_H

3
SDL_Extensions.cpp
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@@ -449,7 +449,8 @@ Uint32 CSDL_Ext::colorToUint32(const SDL_Color * color)
void CSDL_Ext::update(SDL_Surface * what)
{
SDL_UpdateRect(what, 0, 0, what->w, what->h);
if(what)
SDL_UpdateRect(what, 0, 0, what->w, what->h);
}
void CSDL_Ext::blueToPlayers(SDL_Surface * sur, int player)