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/*
* 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 "gamedata.h"
#include "hexcolour.h"
#include "hud.h"
#include "intdefs.h"
#include "vcall.h"
FEATURE("crosshair drawing")
REQUIRE(hud)
DECL_VFUNC_DYN(bool, IsInGame)
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;
if (has_vtidx_IsInGame && engclient && !IsInGame(engclient)) 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
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