diff options
Diffstat (limited to 'src/xhair.c')
| -rw-r--r-- | src/xhair.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/xhair.c b/src/xhair.c new file mode 100644 index 0000000..e2f7bfb --- /dev/null +++ b/src/xhair.c @@ -0,0 +1,88 @@ +/* + * Copyright © 2024 Michael Smith <mikesmiffy128@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR + * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#include <string.h> + +#include "con_.h" +#include "engineapi.h" +#include "feature.h" +#include "hexcolour.h" +#include "hud.h" +#include "intdefs.h" + +FEATURE("crosshair drawing") +REQUIRE(hud) + +DEF_CVAR(sst_xhair, "Enable custom crosshair", 0, CON_ARCHIVE | CON_HIDDEN) +DEF_CVAR(sst_xhair_colour, "Colour for alternative crosshair (RGBA hex)", + "FFFFFF", CON_ARCHIVE | CON_HIDDEN) +DEF_CVAR_MIN(sst_xhair_thickness, "Thickness of custom crosshair in pixels", 2, + 1, CON_ARCHIVE | CON_HIDDEN) +DEF_CVAR_MIN(sst_xhair_size, "Length of lines in custom crosshair in pixels", 8, + 0, CON_ARCHIVE | CON_HIDDEN) +DEF_CVAR_MIN(sst_xhair_gap, "Gap between lines in custom crosshair in pixels", + 16, 0, CON_ARCHIVE | CON_HIDDEN) +DEF_CVAR(sst_xhair_dot, "Whether to draw dot in middle of custom crosshair", + 1, CON_ARCHIVE | CON_HIDDEN) +DEF_CVAR(sst_xhair_outline, "Whether to draw outline around custom crosshair", + 0, CON_ARCHIVE | CON_HIDDEN) + +static struct rgba colour = {255, 255, 255, 255}; + +static void colourcb(struct con_var *v) { + hexcolour_rgba(colour.bytes, con_getvarstr(v)); +} + +static inline void drawrect(int x0, int y0, int x1, int y1, struct rgba colour, + bool outline) { + hud_drawrect(x0, y0, x1, y1, colour, true); + if (outline) hud_drawrect(x0, y0, x1, y1, (struct rgba){.a = 255}, false); +} +HANDLE_EVENT(HudPaint, void) { + if (!con_getvari(sst_xhair)) return; + int w, h; + hud_screensize(&w, &h); + int thick = con_getvari(sst_xhair_thickness); + int thick1 = (thick + 1) / 2, thick2 = thick - thick1; + int sz = con_getvari(sst_xhair_size); + int gap = con_getvari(sst_xhair_gap); + int gap1 = (gap + 1) / 2, gap2 = gap - gap1; + int x = w / 2, y = h / 2; + bool ol = !!con_getvari(sst_xhair_outline); + if (sz) { + drawrect(x - thick1, y - sz - gap1, x + thick2, y - gap1, colour, ol); + drawrect(x - thick1, y + gap2, x + thick2, y + sz + gap2, colour, ol); + drawrect(x - sz - gap1, y - thick1, x - gap1, y + thick2, colour, ol); + drawrect(x + gap2, y - thick1, x + sz + gap2, y + thick2, colour, ol); + } + if (con_getvari(sst_xhair_dot) && (gap >= thick || ol)) { + drawrect(x - thick1, y - thick1, x + thick2, y + thick2, colour, ol); + } +} + +INIT { + sst_xhair->base.flags &= ~CON_HIDDEN; + sst_xhair_colour->base.flags &= ~CON_HIDDEN; + sst_xhair_colour->cb = &colourcb; + sst_xhair_thickness->base.flags &= ~CON_HIDDEN; + sst_xhair_size->base.flags &= ~CON_HIDDEN; + sst_xhair_gap->base.flags &= ~CON_HIDDEN; + sst_xhair_dot->base.flags &= ~CON_HIDDEN; + sst_xhair_outline->base.flags &= ~CON_HIDDEN; + return true; +} + +// vi: sw=4 ts=4 noet tw=80 cc=80 |