--- /dev/null
- slickdetected = onslick; // do not need to traceline if already touching slick
+#include "extra.qh"
+
+#include <client/csqcmodel_hooks.qh>
+#include <client/draw.qh>
+#include <lib/csqcmodel/cl_player.qh>
+#include <common/physics/player.qh>
+
+// start speed
+#include <client/hud/panel/racetimer.qh> // checkpoint information (race_*)
+
+// jump height
+#include <lib/csqcmodel/common.qh> // for IS_PLAYER() macro
+#include <common/resources/cl_resources.qh> // IS_DEAD() macro
+
++// epsilon value for the slick detector steps to avoid
++// an infinite loop due to floating point rounding errors
++// (works with current limits as long as uncapped mode is not used)
++#define SLICKDETECT_STEPS_EPSILON 0.00001
++
+// slick detector
+float StrafeHUD_DrawSlickDetector(entity e, bool onslick)
+{
+ float slickdetector_height = bound(0, autocvar_hud_panel_strafehud_slickdetector_height, 1);
+ slickdetector_height *= panel_size.y;
+ if(autocvar_hud_panel_strafehud_slickdetector &&
+ autocvar_hud_panel_strafehud_slickdetector_range > 0 &&
+ autocvar_hud_panel_strafehud_slickdetector_alpha > 0 &&
+ slickdetector_height > 0 &&
+ panel_size.x > 0)
+ {
+ float slicksteps = bound(0, autocvar_hud_panel_strafehud_slickdetector_granularity, 4);
++ bool allslick = PHYS_FRICTION(e) == 0;
+ bool slickdetected = false;
+
+ slicksteps = 90 * DEG2RAD / 2 ** slicksteps;
+
- vector traceorigin = e.origin + eZ * e.mins.z;
- for(float i = 0; i < 90 * DEG2RAD - 0.00001 && !slickdetected; i += slicksteps)
++ // don't need to traceline if already touching slick
++ slickdetected = onslick;
++
++ // coordinates at the bottom center of the player bbox
++ vector traceorigin = e.origin + eZ * e.mins.z;
+
+ // traceline downwards into every direction
+ trace_dphitq3surfaceflags = 0;
- for(float j = 0; j < 360 * DEG2RAD - 0.00001 && !slickdetected; j += slicksteps)
++ for(float i = 0; i < 90 * DEG2RAD - SLICKDETECT_STEPS_EPSILON && !slickdetected; i += slicksteps)
+ {
+ vector slickoffset;
+ float slickrotate;
++
++ // creates a vector angled 'i' degrees relative to the Z vector
++ // negative cosine value to face downwards
+ slickoffset.z = -cos(i) * autocvar_hud_panel_strafehud_slickdetector_range;
+ slickrotate = sin(i) * autocvar_hud_panel_strafehud_slickdetector_range;
+
- if((PHYS_FRICTION(e) == 0 && trace_fraction < 1)
++ for(float j = 0; j < 360 * DEG2RAD - SLICKDETECT_STEPS_EPSILON && !slickdetected; j += slicksteps)
+ {
++ // adjusts the vector so that it rotates 'j' degrees around the Z vector
+ slickoffset.x = sin(j) * slickrotate;
+ slickoffset.y = cos(j) * slickrotate;
+
++ // trace a line, we hit slick if:
++ // - it hits something and surface friction is disabled
++ // - the slick surface flag got set
++ // note: it is not guaranteed that the detected surface is actually
++ // a zero friction surface if PHYS_FRICTION_SLICK() does not equal zero
+ traceline(traceorigin, traceorigin + slickoffset, MOVE_NOMONSTERS, e);
- if(i == 0)
- break;
++ if((allslick && trace_fraction < 1)
+ || (trace_dphitq3surfaceflags & Q3SURFACEFLAG_SLICK))
+ slickdetected = true;
++
++ // rotation does nothing when we are perpendicular to the ground, hence only one iteration
++ if(i == 0) break;
+ }
+ }
+
+ // if a traceline hit a slick surface
+ if(slickdetected)
+ {
+ vector slickdetector_size = panel_size;
+ slickdetector_size.y = slickdetector_height;
+
+ // top horizontal line
+ drawfill(
+ panel_pos - eY * slickdetector_size.y, slickdetector_size,
+ autocvar_hud_panel_strafehud_slickdetector_color,
+ autocvar_hud_panel_strafehud_slickdetector_alpha * panel_fg_alpha,
+ DRAWFLAG_NORMAL);
+
+ // bottom horizontal line
+ drawfill(
+ panel_pos + eY * panel_size.y,
+ slickdetector_size, autocvar_hud_panel_strafehud_slickdetector_color,
+ autocvar_hud_panel_strafehud_slickdetector_alpha * panel_fg_alpha,
+ DRAWFLAG_NORMAL);
+ }
+
+ return slickdetector_height;
+ }
+
+ return 0;
+}
+
+// vertical angle for weapon jumps
+float StrafeHUD_DrawVerticalAngle(float text_offset_bottom)
+{
+ if(autocvar_hud_panel_strafehud_vangle)
+ {
+ float vangle = -PHYS_INPUT_ANGLES(strafeplayer).x;
+ float vangle_height = autocvar_hud_panel_strafehud_vangle_size * panel_size.y;
+ string vangle_text = strcat(ftos_decimals(vangle, 2), "°");
+
+ bool was_drawn = StrafeHUD_DrawTextIndicator(
+ vangle_text, vangle_height,
+ autocvar_hud_panel_strafehud_vangle_color, 1,
+ time, text_offset_bottom, STRAFEHUD_TEXT_BOTTOM);
+
+ if(was_drawn)
+ return vangle_height;
+ }
+
+ return 0;
+}
+
+// strafe sonar
+void StrafeHUD_Sonar(float strafe_ratio, string sonarsound)
+{
+ static float sonar_time = 0;
+
+ float sonar_start = bound(0, autocvar_hud_panel_strafehud_sonar_start, 1);
+ float sonar_ratio = strafe_ratio - sonar_start;
+ if(sonar_start != 1)
+ sonar_ratio /= 1 - sonar_start;
+ else
+ sonar_ratio = 1;
+
+ float sonar_interval = max(0, autocvar_hud_panel_strafehud_sonar_interval_start);
+ sonar_interval += autocvar_hud_panel_strafehud_sonar_interval_range * sonar_ratio ** max(1, autocvar_hud_panel_strafehud_sonar_interval_exponent);
+ bool sonar_ready = (sonar_time == 0) || ((time - sonar_time) >= sonar_interval);
+ if(autocvar_hud_panel_strafehud_sonar && sonar_ready && (strafe_ratio >= sonar_start))
+ {
+ sonar_time = time;
+
+ float sonar_volume = bound(0, autocvar_hud_panel_strafehud_sonar_volume_start, 1);
+ sonar_volume += autocvar_hud_panel_strafehud_sonar_volume_range * sonar_ratio ** max(1, autocvar_hud_panel_strafehud_sonar_volume_exponent);
+
+ float sonar_pitch = max(0, autocvar_hud_panel_strafehud_sonar_pitch_start);
+ sonar_pitch += autocvar_hud_panel_strafehud_sonar_pitch_range * sonar_ratio ** max(1, autocvar_hud_panel_strafehud_sonar_pitch_exponent);
+
+ if(sonarsound && (sonar_volume > 0))
+ sound7(csqcplayer, CH_INFO, sonarsound, bound(0, sonar_volume, 1) * VOL_BASE, ATTN_NONE, max(0.000001, sonar_pitch * 100), 0);
+ }
+}
+
+string StrafeHUD_UpdateSonarSound()
+{
+ string newsound = autocvar_hud_panel_strafehud_sonar_audio;
+ static string cursound = string_null;
+ static string sonarsound = string_null;
+ if(newsound == "")
+ {
+ strfree(cursound);
+ strfree(sonarsound);
+ cursound = sonarsound = string_null;
+ }
+ else if(newsound != cursound)
+ {
+ strfree(cursound);
+ cursound = strzone(newsound);
+
+ strfree(sonarsound);
+ sonarsound = _Sound_fixpath(newsound);
+ if(sonarsound)
+ {
+ sonarsound = strzone(sonarsound);
+ precache_sound(sonarsound);
+ }
+ }
+
+ return sonarsound;
+}
+
+// show height achieved by a single jump
+// FIXME: checking z position differences is unreliable (warpzones, teleporter, kill, etc), use velocity to calculate jump height instead
+// FIXME: move capturing the jump height value out of the HUD
+float StrafeHUD_DrawJumpHeight(entity e, bool onground, bool swimming, float text_offset_top)
+{
+ float length_conversion_factor = StrafeHUD_GetLengthUnitFactor(autocvar_hud_speed_unit);
+ static float height_min = 0, height_max = 0; // ground and peak of jump z coordinates
+ static float jumpheight = 0, jumptime = 0; // displayed value and timestamp for fade out
+
+ // tries to catch kill and spectate but those are not reliable
+ if((e.velocity.z <= 0) || onground || swimming || IS_DEAD(e) || !IS_PLAYER(e))
+ {
+ height_min = height_max = e.origin.z;
+ }
+ else if(e.origin.z > height_max)
+ {
+ height_max = e.origin.z;
+ float jumpheight_new = height_max - height_min;
+
+ if((jumpheight_new * length_conversion_factor) > max(autocvar_hud_panel_strafehud_jumpheight_min, 0))
+ {
+ jumpheight = jumpheight_new;
+ jumptime = time;
+ }
+ }
+
+ if(autocvar_hud_panel_strafehud_jumpheight)
+ {
+ // use more decimals when displaying km or miles
+ int length_decimals = autocvar_hud_speed_unit >= 3 && autocvar_hud_speed_unit <= 5 ? 6 : 2;
+
+ float jumpheight_height = autocvar_hud_panel_strafehud_jumpheight_size * panel_size.y;
+ string jumpheight_text = ftos_decimals(jumpheight * length_conversion_factor, length_decimals);
+ if(autocvar_hud_panel_strafehud_unit_show)
+ jumpheight_text = strcat(jumpheight_text, StrafeHUD_GetLengthUnit(autocvar_hud_speed_unit));
+
+ bool was_drawn = StrafeHUD_DrawTextIndicator(
+ jumpheight_text, jumpheight_height,
+ autocvar_hud_panel_strafehud_jumpheight_color,
+ autocvar_hud_panel_strafehud_jumpheight_fade,
+ jumptime, text_offset_top, STRAFEHUD_TEXT_TOP);
+
+ if(was_drawn)
+ return jumpheight_height;
+ }
+
+ return 0;
+}
+
+// strafe efficiency
+float StrafeHUD_DrawStrafeEfficiency(float strafe_ratio, float text_offset_top)
+{
+ {
+ if(autocvar_hud_panel_strafehud_strafeefficiency)
+ {
+ float strafeeff_height = autocvar_hud_panel_strafehud_strafeefficiency_size * panel_size.y;
+ string strafeeff_text = strcat(ftos_decimals(strafe_ratio * 100, 2), "%");
+ vector strafeeff_color = '1 1 1' - (strafe_ratio > 0 ? '1 0 1' : '0 1 1') * fabs(strafe_ratio);
+
+ bool was_drawn = StrafeHUD_DrawTextIndicator(
+ strafeeff_text, strafeeff_height,
+ strafeeff_color, 1,
+ time, text_offset_top, STRAFEHUD_TEXT_TOP);
+
+ if(was_drawn)
+ return strafeeff_height;
+ }
+ }
+
+ return 0;
+}
+
+// show speed when crossing the start trigger
+// FIXME: move capturing the race start speed value out of the HUD
+float StrafeHUD_DrawStartSpeed(float speed, float text_offset_bottom)
+{
+ static float startspeed = 0, starttime = 0; // displayed value and timestamp for fade out
+
+ // check if the start trigger was hit (will also trigger if the finish trigger was hit if those have the same ID)
+ if((race_nextcheckpoint == 1) || (race_checkpoint == 254 && race_nextcheckpoint == 255))
+ {
+ if((race_checkpointtime > 0) && (starttime != race_checkpointtime))
+ {
+ starttime = race_checkpointtime;
+ startspeed = speed;
+ }
+ }
+
+ if(autocvar_hud_panel_strafehud_startspeed)
+ {
+ float speed_conversion_factor = GetSpeedUnitFactor(autocvar_hud_speed_unit);
+ float startspeed_height = autocvar_hud_panel_strafehud_startspeed_size * panel_size.y;
+ string startspeed_text = ftos_decimals(startspeed * speed_conversion_factor, 2);
+ if(autocvar_hud_panel_strafehud_unit_show)
+ startspeed_text = strcat(startspeed_text, GetSpeedUnit(autocvar_hud_speed_unit));
+
+ bool was_drawn = StrafeHUD_DrawTextIndicator(
+ startspeed_text, startspeed_height,
+ autocvar_hud_panel_strafehud_startspeed_color,
+ autocvar_hud_panel_strafehud_startspeed_fade,
+ starttime, text_offset_bottom, STRAFEHUD_TEXT_BOTTOM);
+
+ if(was_drawn)
+ return startspeed_height;
+ }
+
+ return 0;
+}
projects / xonotic / xonotic-data.pk3dir.git / commitdiff