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https://github.com/ENSL/NS.git
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209 lines
8.9 KiB
C++
209 lines
8.9 KiB
C++
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#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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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", "0 255 0", 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", "10", 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", "0", FCVAR_ARCHIVE);
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//cl_cross_outline_alpha = CVAR_CREATE("cl_cross_outline_alpha", "255", FCVAR_ARCHIVE);
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cl_cross_outline_inner = CVAR_CREATE("cl_cross_outline_inner", "1", 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_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_outline = CVAR_CREATE("cl_cross_dot_outline", "1", FCVAR_ARCHIVE);
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cl_cross_top_line = CVAR_CREATE("cl_cross_top_line", "1", FCVAR_ARCHIVE);
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cl_cross_bottom_line = CVAR_CREATE("cl_cross_bottom_line", "1", FCVAR_ARCHIVE);
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cl_cross_left_line = CVAR_CREATE("cl_cross_left_line", "1", FCVAR_ARCHIVE);
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cl_cross_right_line = CVAR_CREATE("cl_cross_right_line", "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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//// outline alpha perhaps unnecessary since odd numbered thicknesses feather the outline edges
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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 = 255;
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//
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//if (outalpha == 0)
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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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// 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. ex. 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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gl.color(0, 0, 0, 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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auto size = cl_cross_size->value;
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auto gap = cl_cross_gap->value;
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auto half_thickness = cl_cross_thickness->value / 2.0f;
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auto half_width = cl_cross_outline->value / 2.0f;
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auto offset = half_thickness + half_width;
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// Top line
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if (cl_cross_top_line->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_bottom_line->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_left_line->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_right_line->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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// Dot
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if (cl_cross_dot_size->value > 0.0f && cl_cross_dot_outline->value > 0.0f) {
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auto size = cl_cross_dot_size->value;
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auto offset = Vector2D(size / 2.0f, size / 2.0f);
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auto dot_half_width = cl_cross_dot_outline->value / 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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}
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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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auto size = cl_cross_size->value;
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auto gap = cl_cross_gap->value;
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if (cl_cross_top_line->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_bottom_line->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_left_line->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_right_line->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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// PLZ FIX: compile errors
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//// Draw the circle.
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//if (cl_cross_circle_radius->value > 0.0f) {
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// gl.line_width(1.0f);
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// auto 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 r, g, b;
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if (sscanf(cl_cross_dot_color->string, "%hhu %hhu %hhu", &r, &g, &b) == 3)
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gl.color(r, g, b, alpha);
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auto size = cl_cross_dot_size->value;
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auto 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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