1 files changed, 443 insertions, 0 deletions

diff --git a/noncore/games/sfcave-sdl/bfont.cpp b/noncore/games/sfcave-sdl/bfont.cpp
new file mode 100644
index 0000000..0f29104
--- a/dev/null
+++ b/noncore/games/sfcave-sdl/bfont.cpp
@@ -0,0 +1,443 @@
+/***********************************************************/
+/*                                                         */
+/*   BFONT.c v. 1.0.2 - Billi Font Library by Diego Billi  */
+/*   BFONT++ C++ port by Gianluigi Davassi                 */
+/***********************************************************/
+#include "iostream"
+using namespace std;
+#include "string.h"
+#include "stdlib.h"
+#include "stdarg.h"
+
+#include "SDL_image.h"
+#include "bfont.h"
+
+void BFont::InitFont()
+{
+    int x = 0, i = '!';
+    Uint32 sentry = GetPixel(0,0);
+
+    if (SDL_MUSTLOCK(Surface))
+        SDL_LockSurface(Surface);
+
+    while ( x < (Surface->w-1))
+    {
+        if(GetPixel(x,0) != sentry)
+        {
+            Chars[i].x = x;
+            Chars[i].y = 1;
+            Chars[i].h = Surface->h;
+            for (; GetPixel(x, 0) != sentry && x < (Surface->w); ++x) ;
+            Chars[i].w = (x - Chars[i].x);
+            i++;
+        } else
+        { x++; }
+    }
+    Chars[' '].x = 0;
+    Chars[' '].y = 0;
+    Chars[' '].h = Surface->h;
+    Chars[' '].w = Chars['!'].w;
+
+    if (SDL_MUSTLOCK(Surface))
+        SDL_UnlockSurface(Surface);
+
+    h = Surface->h;
+
+    SDL_SetColorKey(Surface, SDL_SRCCOLORKEY, GetPixel(0, Surface->h-1));
+}
+
+
+/* Load the font and stores it in the BFont_Info structure */
+void BFont::LoadFont (const char *filename)
+{
+    SDL_Surface *surface(NULL);
+    int x;
+    // tutta roba inutile in C++.... :-)
+    /*    BFont_Info *Font=NULL;
+     Font = (BFont_Info *) malloc(sizeof(BFont_Info));*/
+
+    if ((filename != NULL ) && (this != NULL))
+    {
+                surface = IMG_Load( filename );
+
+        if (surface != NULL)
+        {
+            Surface = surface;
+            for (x=0; x<256; x++)
+            {
+                Chars[x].x = 0;
+                Chars[x].y = 0;
+                Chars[x].h = 0;
+                Chars[x].w = 0;
+            }
+            InitFont(); // Init the font
+        }
+    }
+    else
+    {
+        cerr << "Error! The font has not been loaded!" << endl;
+    }
+}
+
+BFont * BFont :: SetFontColor(Uint8 r, Uint8 g, Uint8 b)
+{
+    int x,y;
+
+    BFont *newfont;
+    SDL_Surface *surface = NULL;
+
+    Uint32 pixel;
+    Uint8 old_r, old_g, old_b;
+    Uint8 new_r, new_g, new_b;
+    Uint32 color_key;
+
+        newfont = new BFont(NULL);
+        
+        if (newfont != NULL) {
+
+                newfont->h = h;
+
+                for (x=0; x<256; x++) {
+                        newfont->Chars[x].x = Chars[x].x;
+                        newfont->Chars[x].y = Chars[x].y;
+                        newfont->Chars[x].h = Chars[x].h;
+                        newfont->Chars[x].w = Chars[x].w;
+                }
+
+                surface = SDL_CreateRGBSurface(SDL_SWSURFACE, Surface->w, Surface->h, 32,
+                                                                        0x000000ff,0x0000ff00, 0x00ff0000, 0xff000000);
+                if (surface != NULL) {
+
+                        if (SDL_MUSTLOCK(surface))       SDL_LockSurface(surface);
+                        if (SDL_MUSTLOCK(Surface)) SDL_LockSurface(Surface);
+
+                        color_key =  xGetPixel(Surface, 0, Surface->h-1);
+
+                        printf("looking...\n");
+                        for( x=0; x < Surface->w; x++) {
+                                for( y=0; y < Surface->h; y++) {
+                                        old_r = old_g = old_b = 0;
+                                        pixel = xGetPixel(Surface,x,y);
+
+                                        if (pixel != color_key) {
+                                                SDL_GetRGB(pixel, Surface->format, &old_r,&old_g,&old_b);
+
+                                                new_r = (Uint8) ((old_r * r) / 255);
+                                                new_g = (Uint8) ((old_g * g) / 255);
+                                                new_b = (Uint8) ((old_b * b) / 255);
+
+                                                pixel = SDL_MapRGB(surface->format,new_r,new_g,new_b);
+                                        }
+                                        PutPixel(surface,x,y,pixel);
+                                }
+                        }
+                        printf("unlooking...\n");
+                        if (SDL_MUSTLOCK(surface))       SDL_UnlockSurface(surface);
+                        if (SDL_MUSTLOCK(Surface)) SDL_UnlockSurface(Surface);
+
+                        SDL_SetColorKey(surface, SDL_SRCCOLORKEY, color_key);
+                }
+
+                newfont->Surface = surface;
+        }
+    return newfont;
+}
+
+
+/* Puts a single char on the surface with the specified font */
+int BFont::PutChar(SDL_Surface *screen, int x, int y, char c)
+{
+    int r=0;
+    SDL_Rect dest;
+
+    dest.w = CharWidth(' ');
+    dest.h = FontHeight();
+    dest.x = x;
+    dest.y = y;
+
+    if (c != ' ')
+        SDL_BlitSurface( Surface, &Chars[c], screen, &dest);
+
+    r = dest.w;
+    return r;
+}
+
+
+void BFont::PutString(SDL_Surface *screen, int x, int y, const char *text)
+{
+    int i(0);
+    while (text[i]!='\0')
+    {
+        x  += PutChar(screen,x,y,text[i]);
+        i++;
+    }
+}
+
+int BFont::TextWidth(const char *text)
+{
+    int i(0),x(0);
+
+    while (text[i]!='\0')
+    {
+        x += CharWidth(text[i]);
+        i++;
+    }
+    return x;
+}
+
+
+/* counts the spaces of the strings */
+int BFont::count (const char *text)
+{
+    char *p(NULL);
+    int pos(-1),i(0);
+
+    /* Calculate the space occupied by the text without spaces */
+    while ((p=strchr(&text[pos+1],' ')) != NULL)
+    {
+        i++;
+        pos = p - text;
+    }
+    return i;
+}
+
+
+void BFont::JustifiedPutString( SDL_Surface *screen, int y, const char *text)
+{
+    int spaces(0),gap,single_gap,dif;
+    char *strtmp,*p;
+    int pos(-1),xpos(0);
+
+
+    if (strchr(text,' ') == NULL)
+    {
+        PutString(screen, 0, y, text);
+    }
+    else {
+        gap = (screen->w-1) - TextWidth(text);
+
+        if (gap <= 0) {
+            PutString(screen, 0,y,text);
+        } else {
+            spaces = count(text);
+            dif = gap % spaces;
+            single_gap = (gap - dif) / spaces;
+            xpos=0;
+            pos = -1;
+            while ( spaces > 0 )
+            {
+                p = strstr(&text[pos+1]," ");
+                strtmp = NULL;
+                strtmp = (char *) calloc ( (p - &text[pos+1]) + 1,sizeof(char));
+                if (strtmp != NULL)
+                {
+                    strncpy (strtmp, &text[pos+1], (p - &text[pos+1]));
+                    PutString(screen, xpos, y, strtmp);
+                    xpos = xpos + TextWidth(strtmp) + single_gap + CharWidth(' ');
+                    if (dif >= 0)
+                    {
+                        xpos ++;
+                        dif--;
+                    }
+                    pos = p - text;
+                    spaces--;
+                    free(strtmp);
+                }
+            }
+            strtmp = NULL;
+            strtmp = (char *) calloc ( strlen( &text[pos+1]) + 1,sizeof(char));
+
+            if (strtmp != NULL) {
+                strncpy (strtmp, &text[pos+1], strlen( &text[pos+1]));
+                PutString(screen, xpos, y, strtmp);
+                free(strtmp);
+            }
+        }
+    }
+}
+
+
+void BFont::CenteredPutString(SDL_Surface *screen, int y, const char *text)
+{
+    printf( "xpos - %d, %d <%s>\n", screen->w/2-TextWidth(text)/2, TextWidth(text), text );
+    PutString( screen, screen->w/2-TextWidth(text)/2, y, text);
+}
+
+
+void BFont::RightPutString(SDL_Surface *screen, int y, const char *text)
+{
+    PutString( screen, screen->w - TextWidth(text) - 1, y, text);
+}
+
+void BFont::LeftPutString(SDL_Surface *screen, int y, const char *text)
+{
+    PutString( screen, 0, y, text);
+}
+
+/******/
+
+void BFont::PrintString (SDL_Surface *screen, int x, int y, char *fmt, ...)
+{
+    va_list args;
+    char *temp;
+    va_start (args,fmt);
+
+    if ( (temp = (char *) malloc(1000+1)) != NULL) {
+        vsprintf(temp,fmt,args);
+        PutString(screen, x, y, temp);
+        free (temp);
+    }
+    va_end(args);
+}
+
+void BFont::CenteredPrintString(SDL_Surface *screen, int y,  char *fmt, ...)
+{
+    va_list args;
+    char *temp;
+    va_start (args,fmt);
+
+    if ( (temp = (char *) malloc(1000+1)) != NULL) {
+        vsprintf(temp,fmt,args);
+        CenteredPutString(screen, y, temp);
+        free (temp);
+    }
+    va_end(args);
+}
+
+void BFont::RightPrintString(SDL_Surface *screen, int y, char *fmt, ...)
+{
+    va_list args;
+    char *temp;
+    va_start (args,fmt);
+
+    if ( (temp = (char *) malloc(1000+1)) != NULL) {
+        vsprintf(temp,fmt,args);
+        RightPutString(screen, y, temp);
+        free (temp);
+    }
+    va_end(args);
+}
+
+void BFont::LeftPrintString( SDL_Surface *screen, int y, char *fmt, ...)
+{
+    va_list args;
+    char *temp;
+    va_start (args,fmt);
+
+    if ( (temp = (char *) malloc(1000+1)) != NULL) {
+        vsprintf(temp,fmt,args);
+        LeftPutString(screen, y, temp);
+        free (temp);
+    }
+    va_end(args);
+}
+
+void BFont::JustifiedPrintString( SDL_Surface *screen, int y, char *fmt, ...)
+{
+    va_list args;
+    char *temp;
+    va_start (args,fmt);
+
+    if ( (temp = (char *) malloc(1000+1)) != NULL) {
+        vsprintf(temp,fmt,args);
+        JustifiedPutString( screen, y,temp);
+        free (temp);
+    }
+    va_end(args);
+}
+
+
+void BFont::PutPixel(SDL_Surface *surface, int x, int y, Uint32 pixel)
+{
+    int bpp = surface->format->BytesPerPixel;
+    /* Here p is the address to the pixel we want to set */
+    Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;
+
+    switch(bpp) {
+    case 1:
+        *p = pixel;
+        break;
+
+    case 2:
+        *(Uint16 *)p = pixel;
+        break;
+
+    case 3:
+        if(SDL_BYTEORDER == SDL_BIG_ENDIAN) {
+            p[0] = (pixel >> 16) & 0xff;
+            p[1] = (pixel >> 8) & 0xff;
+            p[2] = pixel & 0xff;
+        } else {
+            p[0] = pixel & 0xff;
+            p[1] = (pixel >> 8) & 0xff;
+            p[2] = (pixel >> 16) & 0xff;
+        }
+        break;
+
+    case 4:
+        *(Uint32 *)p = pixel;
+        break;
+    }
+}
+
+Uint32 BFont :: xGetPixel(SDL_Surface *surface, int x, int y)
+{
+    int bpp = surface->format->BytesPerPixel;
+    /* Here p is the address to the pixel we want to retrieve */
+    Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;
+
+    switch(bpp) {
+    case 1:
+        return *p;
+
+    case 2:
+        return *(Uint16 *)p;
+
+    case 3:
+        if(SDL_BYTEORDER == SDL_BIG_ENDIAN)
+            return p[0] << 16 | p[1] << 8 | p[2];
+        else
+            return p[0] | p[1] << 8 | p[2] << 16;
+
+    case 4:
+        return *(Uint32 *)p;
+
+    default:
+        return 0;       /* shouldn't happen, but avoids warnings */
+    }
+}
+
+Uint32 BFont::GetPixel( Sint32 X, Sint32 Y)
+{
+
+   Uint8  *bits;
+   Uint32 Bpp;
+
+   if (X<0) puts("x too small in GetPixel!");
+   if (X>=Surface->w) puts("x too big in GetPixel!");
+
+   Bpp = Surface->format->BytesPerPixel;
+
+   bits = ((Uint8 *)Surface->pixels)+Y*Surface->pitch+X*Bpp;
+
+   // Get the pixel
+   switch(Bpp) {
+      case 1:
+         return *((Uint8 *)Surface->pixels + Y * Surface->pitch + X);
+         break;
+      case 2:
+         return *((Uint16 *)Surface->pixels + Y * Surface->pitch/2 + X);
+         break;
+      case 3: { // Format/endian independent
+         Uint8 r, g, b;
+         r = *((bits)+Surface->format->Rshift/8);
+         g = *((bits)+Surface->format->Gshift/8);
+         b = *((bits)+Surface->format->Bshift/8);
+         return SDL_MapRGB(Surface->format, r, g, b);
+         }
+         break;
+      case 4:
+         return *((Uint32 *)Surface->pixels + Y * Surface->pitch/4 + X);
+         break;
+   }
+}