124 lines
3.2 KiB
C
124 lines
3.2 KiB
C
/******************************************************************************
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Plush Version 1.1
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text.c
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Text code and data (8xX bitmapped)
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Copyright (c) 1996-2000, Justin Frankel
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******************************************************************************/
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#include "plush.h"
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#include <stdarg.h>
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static pl_uChar font_height = 16;
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static pl_uChar *current_font = plText_DefaultFont;
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void plTextSetFont(pl_uChar *font, pl_uChar height) {
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current_font = font;
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font_height = height;
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}
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void plTextPutChar(pl_Cam *cam, pl_sInt x, pl_sInt y, pl_Float z,
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pl_uChar color, pl_uChar c) {
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pl_uChar *font = current_font + (c*font_height);
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pl_sInt offset = x+(y*cam->ScreenWidth);
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pl_ZBuffer zz = (pl_ZBuffer) (1.0/z);
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pl_sInt xx = x, a;
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pl_uChar len = font_height;
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pl_uChar ch;
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pl_uChar *outmem;
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pl_ZBuffer *zbuffer;
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if (y+font_height < cam->ClipTop || y >= cam->ClipBottom) return;
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if (y < cam->ClipTop) {
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font += (cam->ClipTop-y);
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offset += (cam->ClipTop-y)*cam->ScreenWidth;
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len -= (cam->ClipTop-y);
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y = cam->ClipTop;
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}
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if (y+font_height >= cam->ClipBottom) {
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len = cam->ClipBottom-y;
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}
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if (len > 0) {
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if (cam->zBuffer && z != 0.0) do {
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outmem = cam->frameBuffer + offset;
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zbuffer = cam->zBuffer + offset;
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offset += cam->ScreenWidth;
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xx = x;
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ch = *font++;
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a = 128;
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while (a) {
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if (xx >= cam->ClipRight) break;
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if (xx++ >= cam->ClipLeft)
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if (ch & a)
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if (zz > *zbuffer) {
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*zbuffer = zz;
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*outmem = color;
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}
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zbuffer++;
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outmem++;
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a >>= 1;
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}
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if (a) break;
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} while (--len);
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else do {
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outmem = cam->frameBuffer + offset;
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offset += cam->ScreenWidth;
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xx = x;
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ch = *font++;
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a = 128;
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while (a) {
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if (xx >= cam->ClipRight) break;
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if (xx++ >= cam->ClipLeft) if (ch & a) *outmem = color;
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outmem++;
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a >>= 1;
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}
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if (a) break;
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} while (--len);
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}
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}
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void plTextPutStr(pl_Cam *cam, pl_sInt x, pl_sInt y, pl_Float z,
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pl_uChar color, pl_sChar *string) {
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pl_sInt xx = x;
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while (*string) {
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switch (*string) {
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case '\n': y += font_height; xx = x; break;
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case ' ': xx += 8; break;
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case '\r': break;
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case '\t': xx += 8*5; break;
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default:
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plTextPutChar(cam,xx,y,z,color,(pl_uChar) *string);
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xx += 8;
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break;
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}
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string++;
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}
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}
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void plTextPutStrW(pl_Cam* cam, pl_sInt x, pl_sInt y, pl_Float z,
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pl_uChar color, const wchar_t* string) {
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pl_sInt xx = x;
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while (*string) {
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switch (*string) {
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case L'\n': y += font_height; xx = x; break;
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case L' ': xx += 8; break;
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case L'\r': break;
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case L'\t': xx += 8 * 5; break;
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default:
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plTextPutChar(cam, xx, y, z, color, (pl_uChar)*string);
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xx += 8;
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break;
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}
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string++;
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}
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}
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void plTextPrintf(pl_Cam *cam, pl_sInt x, pl_sInt y, pl_Float z,
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pl_uChar color, pl_sChar *format, ...) {
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va_list arglist;
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pl_sChar str[256];
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va_start(arglist, format);
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vsprintf((char *)str, (char *) format,arglist);
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va_end(arglist);
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plTextPutStr(cam,x,y,z,color,str);
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}
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