From c137d2ad74b9b46c93411ce7fcae6d7041777d07 Mon Sep 17 00:00:00 2001 From: Simon Howard Date: Sat, 6 Sep 2008 18:32:11 +0000 Subject: Move doom-specific files to a separate directory. Subversion-branch: /branches/raven-branch Subversion-revision: 1201 --- src/doom/hu_lib.c | 356 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 356 insertions(+) create mode 100644 src/doom/hu_lib.c (limited to 'src/doom/hu_lib.c') diff --git a/src/doom/hu_lib.c b/src/doom/hu_lib.c new file mode 100644 index 00000000..a6b00f3f --- /dev/null +++ b/src/doom/hu_lib.c @@ -0,0 +1,356 @@ +// Emacs style mode select -*- C++ -*- +//----------------------------------------------------------------------------- +// +// Copyright(C) 1993-1996 Id Software, Inc. +// Copyright(C) 2005 Simon Howard +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License +// as published by the Free Software Foundation; either version 2 +// of the License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +// 02111-1307, USA. +// +// DESCRIPTION: heads-up text and input code +// +//----------------------------------------------------------------------------- + + +#include + +#include "doomdef.h" + +#include "v_video.h" +#include "i_swap.h" + +#include "hu_lib.h" +#include "r_local.h" +#include "r_draw.h" + +// boolean : whether the screen is always erased +#define noterased viewwindowx + +extern boolean automapactive; // in AM_map.c + +void HUlib_init(void) +{ +} + +void HUlib_clearTextLine(hu_textline_t* t) +{ + t->len = 0; + t->l[0] = 0; + t->needsupdate = true; +} + +void +HUlib_initTextLine +( hu_textline_t* t, + int x, + int y, + patch_t** f, + int sc ) +{ + t->x = x; + t->y = y; + t->f = f; + t->sc = sc; + HUlib_clearTextLine(t); +} + +boolean +HUlib_addCharToTextLine +( hu_textline_t* t, + char ch ) +{ + + if (t->len == HU_MAXLINELENGTH) + return false; + else + { + t->l[t->len++] = ch; + t->l[t->len] = 0; + t->needsupdate = 4; + return true; + } + +} + +boolean HUlib_delCharFromTextLine(hu_textline_t* t) +{ + + if (!t->len) return false; + else + { + t->l[--t->len] = 0; + t->needsupdate = 4; + return true; + } + +} + +void +HUlib_drawTextLine +( hu_textline_t* l, + boolean drawcursor ) +{ + + int i; + int w; + int x; + unsigned char c; + + // draw the new stuff + x = l->x; + for (i=0;ilen;i++) + { + c = toupper(l->l[i]); + if (c != ' ' + && c >= l->sc + && c <= '_') + { + w = SHORT(l->f[c - l->sc]->width); + if (x+w > SCREENWIDTH) + break; + V_DrawPatchDirect(x, l->y, FG, l->f[c - l->sc]); + x += w; + } + else + { + x += 4; + if (x >= SCREENWIDTH) + break; + } + } + + // draw the cursor if requested + if (drawcursor + && x + SHORT(l->f['_' - l->sc]->width) <= SCREENWIDTH) + { + V_DrawPatchDirect(x, l->y, FG, l->f['_' - l->sc]); + } +} + + +// sorta called by HU_Erase and just better darn get things straight +void HUlib_eraseTextLine(hu_textline_t* l) +{ + int lh; + int y; + int yoffset; + static boolean lastautomapactive = true; + + // Only erases when NOT in automap and the screen is reduced, + // and the text must either need updating or refreshing + // (because of a recent change back from the automap) + + if (!automapactive && + viewwindowx && l->needsupdate) + { + lh = SHORT(l->f[0]->height) + 1; + for (y=l->y,yoffset=y*SCREENWIDTH ; yy+lh ; y++,yoffset+=SCREENWIDTH) + { + if (y < viewwindowy || y >= viewwindowy + viewheight) + R_VideoErase(yoffset, SCREENWIDTH); // erase entire line + else + { + R_VideoErase(yoffset, viewwindowx); // erase left border + R_VideoErase(yoffset + viewwindowx + viewwidth, viewwindowx); + // erase right border + } + } + } + + lastautomapactive = automapactive; + if (l->needsupdate) l->needsupdate--; + +} + +void +HUlib_initSText +( hu_stext_t* s, + int x, + int y, + int h, + patch_t** font, + int startchar, + boolean* on ) +{ + + int i; + + s->h = h; + s->on = on; + s->laston = true; + s->cl = 0; + for (i=0;il[i], + x, y - i*(SHORT(font[0]->height)+1), + font, startchar); + +} + +void HUlib_addLineToSText(hu_stext_t* s) +{ + + int i; + + // add a clear line + if (++s->cl == s->h) + s->cl = 0; + HUlib_clearTextLine(&s->l[s->cl]); + + // everything needs updating + for (i=0 ; ih ; i++) + s->l[i].needsupdate = 4; + +} + +void +HUlib_addMessageToSText +( hu_stext_t* s, + char* prefix, + char* msg ) +{ + HUlib_addLineToSText(s); + if (prefix) + while (*prefix) + HUlib_addCharToTextLine(&s->l[s->cl], *(prefix++)); + + while (*msg) + HUlib_addCharToTextLine(&s->l[s->cl], *(msg++)); +} + +void HUlib_drawSText(hu_stext_t* s) +{ + int i, idx; + hu_textline_t *l; + + if (!*s->on) + return; // if not on, don't draw + + // draw everything + for (i=0 ; ih ; i++) + { + idx = s->cl - i; + if (idx < 0) + idx += s->h; // handle queue of lines + + l = &s->l[idx]; + + // need a decision made here on whether to skip the draw + HUlib_drawTextLine(l, false); // no cursor, please + } + +} + +void HUlib_eraseSText(hu_stext_t* s) +{ + + int i; + + for (i=0 ; ih ; i++) + { + if (s->laston && !*s->on) + s->l[i].needsupdate = 4; + HUlib_eraseTextLine(&s->l[i]); + } + s->laston = *s->on; + +} + +void +HUlib_initIText +( hu_itext_t* it, + int x, + int y, + patch_t** font, + int startchar, + boolean* on ) +{ + it->lm = 0; // default left margin is start of text + it->on = on; + it->laston = true; + HUlib_initTextLine(&it->l, x, y, font, startchar); +} + + +// The following deletion routines adhere to the left margin restriction +void HUlib_delCharFromIText(hu_itext_t* it) +{ + if (it->l.len != it->lm) + HUlib_delCharFromTextLine(&it->l); +} + +void HUlib_eraseLineFromIText(hu_itext_t* it) +{ + while (it->lm != it->l.len) + HUlib_delCharFromTextLine(&it->l); +} + +// Resets left margin as well +void HUlib_resetIText(hu_itext_t* it) +{ + it->lm = 0; + HUlib_clearTextLine(&it->l); +} + +void +HUlib_addPrefixToIText +( hu_itext_t* it, + char* str ) +{ + while (*str) + HUlib_addCharToTextLine(&it->l, *(str++)); + it->lm = it->l.len; +} + +// wrapper function for handling general keyed input. +// returns true if it ate the key +boolean +HUlib_keyInIText +( hu_itext_t* it, + unsigned char ch ) +{ + ch = toupper(ch); + + if (ch >= ' ' && ch <= '_') + HUlib_addCharToTextLine(&it->l, (char) ch); + else + if (ch == KEY_BACKSPACE) + HUlib_delCharFromIText(it); + else + if (ch != KEY_ENTER) + return false; // did not eat key + + return true; // ate the key + +} + +void HUlib_drawIText(hu_itext_t* it) +{ + + hu_textline_t *l = &it->l; + + if (!*it->on) + return; + HUlib_drawTextLine(l, true); // draw the line w/ cursor + +} + +void HUlib_eraseIText(hu_itext_t* it) +{ + if (it->laston && !*it->on) + it->l.needsupdate = 4; + HUlib_eraseTextLine(&it->l); + it->laston = *it->on; +} + -- cgit v1.2.3