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290 lines
12 KiB
C++
290 lines
12 KiB
C++
#include "hud.h"
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#include "cl_util.h"
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#include "parsemsg.h"
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#include "hudgl.h"
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// Crosshair system based on OpenAG
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// https://github.com/YaLTeR/OpenAG
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int CHudCrosshairs::Init()
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{
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m_iFlags = HUD_ACTIVE;
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cl_cross = CVAR_CREATE("cl_cross", "0", FCVAR_ARCHIVE);
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cl_cross_color = CVAR_CREATE("cl_cross_color", "255 255 255", FCVAR_ARCHIVE);
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cl_cross_alpha = CVAR_CREATE("cl_cross_alpha", "255", FCVAR_ARCHIVE);
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cl_cross_thickness = CVAR_CREATE("cl_cross_thickness", "2", FCVAR_ARCHIVE);
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cl_cross_size = CVAR_CREATE("cl_cross_size", "6", FCVAR_ARCHIVE);
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cl_cross_gap = CVAR_CREATE("cl_cross_gap", "3", FCVAR_ARCHIVE);
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cl_cross_outline = CVAR_CREATE("cl_cross_outline", "2", FCVAR_ARCHIVE);
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cl_cross_outline_alpha = CVAR_CREATE("cl_cross_outline_alpha", "", FCVAR_ARCHIVE);
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cl_cross_outline_inner = CVAR_CREATE("cl_cross_outline_inner", "0", FCVAR_ARCHIVE);
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cl_cross_circle_radius = CVAR_CREATE("cl_cross_circle_radius", "0", FCVAR_ARCHIVE);
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cl_cross_circle_color = CVAR_CREATE("cl_cross_circle_color", "", FCVAR_ARCHIVE);
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cl_cross_circle_thickness = CVAR_CREATE("cl_cross_circle_thickness", "1", FCVAR_ARCHIVE);
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cl_cross_circle_alpha = CVAR_CREATE("cl_cross_circle_alpha", "", FCVAR_ARCHIVE);
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cl_cross_circle_outline = CVAR_CREATE("cl_cross_circle_outline", "", FCVAR_ARCHIVE);
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cl_cross_circle_outline_alpha = CVAR_CREATE("cl_cross_circle_outline_alpha", "", FCVAR_ARCHIVE);
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cl_cross_circle_outline_inner = CVAR_CREATE("cl_cross_circle_outline_inner", "", FCVAR_ARCHIVE);
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cl_cross_dot_size = CVAR_CREATE("cl_cross_dot_size", "0", FCVAR_ARCHIVE);
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cl_cross_dot_color = CVAR_CREATE("cl_cross_dot_color", "", FCVAR_ARCHIVE);
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cl_cross_dot_alpha = CVAR_CREATE("cl_cross_dot_alpha", "", FCVAR_ARCHIVE);
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cl_cross_dot_outline = CVAR_CREATE("cl_cross_dot_outline", "0", FCVAR_ARCHIVE);
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cl_cross_dot_outline_alpha = CVAR_CREATE("cl_cross_dot_outline_alpha", "", FCVAR_ARCHIVE);
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cl_cross_line_top = CVAR_CREATE("cl_cross_line_top", "1", FCVAR_ARCHIVE);
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cl_cross_line_bottom = CVAR_CREATE("cl_cross_line_bottom", "1", FCVAR_ARCHIVE);
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cl_cross_line_left = CVAR_CREATE("cl_cross_line_left", "1", FCVAR_ARCHIVE);
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cl_cross_line_right = CVAR_CREATE("cl_cross_line_right", "1", FCVAR_ARCHIVE);
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gHUD.AddHudElem(this);
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return 0;
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}
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int CHudCrosshairs::VidInit()
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{
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return 1;
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}
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int CHudCrosshairs::Draw(float time)
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{
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if (cl_cross->value == 0.0f)
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return 0;
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unsigned char alpha;
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if (sscanf(cl_cross_alpha->string, "%hhu", &alpha) != 1)
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alpha = 255;
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if (alpha == 0)
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return 0;
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if (gHUD.GetInTopDownMode())
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return 0;
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unsigned char r, g, b;
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if (sscanf(cl_cross_color->string, "%hhu %hhu %hhu", &r, &g, &b) != 3) {
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r = 0;
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g = 255;
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b = 0;
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}
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Vector2D center(ScreenWidth() / 2.0f, ScreenHeight() / 2.0f);
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HudGL gl;
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// Draw the outline.
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// TODO: this contains a terrible amount of repeating complex code.
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//
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// Possible solution: can be changed to this with the one downside being in rare cases where cl_cross_thickness is high AND its alpha is <255, the center of each line will be slightly darker.
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// Example below is for bottom line. Would also cause certain crosshairs that have outlines on invisible cross lines to not look right.
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// gl.rectangle(Vector2D(center.x + offset, center.y + gap - half_width), Vector2D(center.x - offset, center.y + gap + size + half_width));
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if (cl_cross_outline->value > 0.0f) {
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unsigned char outalpha;
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if (sscanf(cl_cross_outline_alpha->string, "%hhu", &outalpha) != 1)
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outalpha = alpha;
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gl.color(0, 0, 0, outalpha);
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gl.line_width(cl_cross_outline->value);
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float size = cl_cross_size->value;
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float gap = cl_cross_gap->value;
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float half_thickness = cl_cross_thickness->value / 2.0f;
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float half_width = cl_cross_outline->value / 2.0f;
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float offset = half_thickness + half_width;
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// Top line
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if (cl_cross_line_top->value) {
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gl.line(Vector2D(center.x - offset, center.y - gap - size), Vector2D(center.x + offset, center.y - gap - size));
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if (cl_cross_outline_inner->value == 0.0f)
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{
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gl.line(Vector2D(center.x + half_thickness, center.y - gap - size + half_width), Vector2D(center.x + half_thickness, center.y - gap));
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gl.line(Vector2D(center.x - half_thickness, center.y - gap), Vector2D(center.x - half_thickness, center.y - gap - size + half_width));
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}
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else
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{
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gl.line(Vector2D(center.x + half_thickness, center.y - gap - size + half_width), Vector2D(center.x + half_thickness, center.y - gap - half_width));
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gl.line(Vector2D(center.x + offset, center.y - gap), Vector2D(center.x - offset, center.y - gap));
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gl.line(Vector2D(center.x - half_thickness, center.y - gap - half_width), Vector2D(center.x - half_thickness, center.y - gap - size + half_width));
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}
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}
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// Bottom line
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if (cl_cross_line_bottom->value) {
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gl.line(Vector2D(center.x - offset, center.y + gap + size), Vector2D(center.x + offset, center.y + gap + size));
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if (cl_cross_outline_inner->value == 0.0f)
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{
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gl.line(Vector2D(center.x + half_thickness, center.y + gap + size - half_width), Vector2D(center.x + half_thickness, center.y + gap));
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gl.line(Vector2D(center.x - half_thickness, center.y + gap), Vector2D(center.x - half_thickness, center.y + gap + size - half_width));
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}
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else
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{
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gl.line(Vector2D(center.x + half_thickness, center.y + gap + size - half_width), Vector2D(center.x + half_thickness, center.y + gap + half_width));
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gl.line(Vector2D(center.x + offset, center.y + gap), Vector2D(center.x - offset, center.y + gap));
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gl.line(Vector2D(center.x - half_thickness, center.y + gap + half_width), Vector2D(center.x - half_thickness, center.y + gap + size - half_width));
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}
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}
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// Left line
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if (cl_cross_line_left->value) {
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gl.line(Vector2D(center.x - gap - size, center.y - offset), Vector2D(center.x - gap - size, center.y + offset));
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if (cl_cross_outline_inner->value == 0.0f)
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{
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gl.line(Vector2D(center.x - gap - size + half_width, center.y + half_thickness), Vector2D(center.x - gap, center.y + half_thickness));
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gl.line(Vector2D(center.x - gap, center.y - half_thickness), Vector2D(center.x - gap - size + half_width, center.y - half_thickness));
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}
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else
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{
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gl.line(Vector2D(center.x - gap - size + half_width, center.y + half_thickness), Vector2D(center.x - gap - half_width, center.y + half_thickness));
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gl.line(Vector2D(center.x - gap, center.y + offset), Vector2D(center.x - gap, center.y - offset));
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gl.line(Vector2D(center.x - gap - half_width, center.y - half_thickness), Vector2D(center.x - gap - size + half_width, center.y - half_thickness));
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}
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}
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// Right line
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if (cl_cross_line_right->value) {
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gl.line(Vector2D(center.x + gap + size, center.y - offset), Vector2D(center.x + gap + size, center.y + offset));
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if (cl_cross_outline_inner->value == 0.0f)
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{
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gl.line(Vector2D(center.x + gap + size - half_width, center.y + half_thickness), Vector2D(center.x + gap, center.y + half_thickness));
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gl.line(Vector2D(center.x + gap, center.y - half_thickness), Vector2D(center.x + gap + size - half_width, center.y - half_thickness));
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}
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else
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{
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gl.line(Vector2D(center.x + gap + size - half_width, center.y + half_thickness), Vector2D(center.x + gap + half_width, center.y + half_thickness));
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gl.line(Vector2D(center.x + gap, center.y + offset), Vector2D(center.x + gap, center.y - offset));
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gl.line(Vector2D(center.x + gap + half_width, center.y - half_thickness), Vector2D(center.x + gap + size - half_width, center.y - half_thickness));
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}
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}
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}
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unsigned char dotout;
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if (sscanf(cl_cross_dot_outline->string, "%hhu", &dotout) != 1)
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dotout = cl_cross_outline->value;
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// Dot outline
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if (cl_cross_dot_size->value > 0.0f && dotout > 0.0f) {
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unsigned char dotoutalpha;
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if (sscanf(cl_cross_circle_outline_alpha->string, "%hhu", &dotoutalpha) != 1)
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dotoutalpha = alpha;
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gl.color(0, 0, 0, dotoutalpha);
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float size = cl_cross_dot_size->value;
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Vector2D offset = Vector2D(size / 2.0f, size / 2.0f);
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float dot_half_width = dotout / 2.0f;
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gl.line(Vector2D(center.x - offset.x - dot_half_width, center.y - offset.y), Vector2D(center.x + offset.x + dot_half_width, center.y - offset.y));
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gl.line(Vector2D(center.x + offset.x, center.y - offset.y + dot_half_width), Vector2D(center.x + offset.x, center.y + offset.y - dot_half_width));
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gl.line(Vector2D(center.x - offset.x, center.y - offset.y + dot_half_width), Vector2D(center.x - offset.x, center.y + offset.y - dot_half_width));
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gl.line(Vector2D(center.x - offset.x - dot_half_width, center.y + offset.y), Vector2D(center.x + offset.x + dot_half_width, center.y + offset.y));
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}
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unsigned char circleout;
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if (sscanf(cl_cross_circle_outline->string, "%hhu", &circleout) != 1)
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circleout = cl_cross_outline->value;
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// Circle outline
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if (cl_cross_circle_radius->value > 0.0f && cl_cross_circle_thickness->value > 0.0f && circleout > 0.0f) {
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unsigned char circleoutalpha;
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if (sscanf(cl_cross_circle_outline_alpha->string, "%hhu", &circleoutalpha) != 1)
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circleoutalpha = alpha;
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unsigned char circleoutinner;
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if (sscanf(cl_cross_circle_outline_inner->string, "%hhu", &circleoutinner) != 1)
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circleoutinner = cl_cross_outline_inner->value;
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gl.color(0, 0, 0, circleoutalpha);
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auto radius = cl_cross_circle_radius->value;
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if (circleoutinner == 0.0f)
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{
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radius += (cl_cross_circle_thickness->value * 0.5f) + (circleout * 0.5f);
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gl.line_width(circleout);
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}
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else
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{
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gl.line_width(cl_cross_circle_thickness->value + circleout);
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}
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if (old_circle_radius != radius) {
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// Recompute the circle points.
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circle_points = HudGL::compute_circle(radius);
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old_circle_radius = radius;
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}
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gl.circle(center, circle_points);
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}
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gl.color(r, g, b, alpha);
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// Draw the crosshairs.
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if (cl_cross_thickness->value > 0.0f) {
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//gl.line_width(cl_cross_thickness->value);
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//clamp dot size to prevent using it as a full screen transparent mask for highlighting eneimies like with the /nvg night vision server plugin.
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gl.line_width(min(cl_cross_thickness->value, ScreenHeight() * 0.3f));
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float size = cl_cross_size->value;
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float gap = cl_cross_gap->value;
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if (cl_cross_line_top->value)
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gl.line(Vector2D(center.x, center.y - gap - size), Vector2D(center.x, center.y - gap));
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if (cl_cross_line_bottom->value)
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gl.line(Vector2D(center.x, center.y + gap + size), Vector2D(center.x, center.y + gap));
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if (cl_cross_line_left->value)
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gl.line(Vector2D(center.x - gap - size, center.y), Vector2D(center.x - gap, center.y));
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if (cl_cross_line_right->value)
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gl.line(Vector2D(center.x + gap + size, center.y), Vector2D(center.x + gap, center.y));
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}
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// Draw the circle.
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if (cl_cross_circle_radius->value > 0.0f && cl_cross_circle_thickness->value > 0.0f) {
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unsigned char circlealpha;
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if (sscanf(cl_cross_circle_alpha->string, "%hhu", &circlealpha) != 1)
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circlealpha = alpha;
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unsigned char circr, circg, circb;
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if (sscanf(cl_cross_circle_color->string, "%hhu %hhu %hhu", &circr, &circg, &circb) == 3)
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{
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gl.color(circr, circg, circb, circlealpha);
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}
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else
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{
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gl.color(r, g, b, circlealpha);
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}
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gl.line_width(cl_cross_circle_thickness->value);
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float radius = cl_cross_circle_radius->value;
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if (old_circle_radius != radius) {
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// Recompute the circle points.
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circle_points = HudGL::compute_circle(radius);
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old_circle_radius = radius;
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}
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gl.circle(center, circle_points);
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}
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// Draw the dot.
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if (cl_cross_dot_size->value > 0.0f) {
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unsigned char dotalpha;
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if (sscanf(cl_cross_dot_alpha->string, "%hhu", &dotalpha) != 1)
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dotalpha = alpha;
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unsigned char dotr, dotg, dotb;
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if (sscanf(cl_cross_dot_color->string, "%hhu %hhu %hhu", &dotr, &dotg, &dotb) == 3)
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{
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gl.color(dotr, dotg, dotb, dotalpha);
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}
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else
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{
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gl.color(r, g, b, dotalpha);
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}
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//float size = cl_cross_dot_size->value;
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//clamp dot size to prevent using it as a full screen transparent mask for highlighting eneimies like with the /nvg night vision server plugin.
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float size = min(cl_cross_dot_size->value, ScreenHeight() * 0.2f);
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Vector2D offset = Vector2D(size / 2.0f, size / 2.0f);
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gl.rectangle(center - offset, center + offset);
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}
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return 0;
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}
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