From 639067a0038b2265e2dbca6cea2b446b945a986c Mon Sep 17 00:00:00 2001
From: ac-stef <ac_stef@users.sf.net>
Date: Fri, 5 Aug 2016 16:26:24 +0200
Subject: [PATCH] add new ktf flag direction indicator

enabled by default, disable with "hidektfindicator 1"

DOCREF hidektfindicator
---
 config/menus_settings.cfg |  1 +
 source/src/geom.h         |  1 +
 source/src/renderhud.cpp  | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 36 insertions(+)

diff --git a/config/menus_settings.cfg b/config/menus_settings.cfg
index ea9136c4..cea48d0f 100644
--- a/config/menus_settings.cfg
+++ b/config/menus_settings.cfg
@@ -532,6 +532,7 @@ menuitemcheckbox [   Damage direction indicator ] "(= $hidedamageindicator 0)" [
 menuitemcheckbox [   Damage screen flash    ] "$damagescreen"                  [ damagescreen $arg1 ]
 menuitemcheckbox [   Crosshair team-sign ] "$crosshairteamsign"                [ crosshairteamsign $arg1 ]
 menuitemcheckbox [   CTF icons ]    "(= $hidectfhud 0)"                        [ hidectfhud (= $arg1 0) ]
+menuitemcheckbox [   KTF flag direction indicator ] "(! $hidektfindicator)"    [ hidektfindicator (! $arg1) ]
 menuitemcheckbox [   Radar ] "(= $hideradar 0)"                                [ hideradar (= $arg1 0) ]
 menuitemslider   [   Radar zoom: ] 5 500                                       [ $radarheight ] 5 [][ radarheight $arg1 ]
 menuitemslider   [   Votes: ] 0 2 "$hidevote" 1 ["Always show" "Show until you vote" "Never show"] [ hidevote $arg1 ]
diff --git a/source/src/geom.h b/source/src/geom.h
index 449ab27a..ee26013e 100644
--- a/source/src/geom.h
+++ b/source/src/geom.h
@@ -44,6 +44,7 @@ struct vec
 
     float distxy(const vec &e) const { float dx = e.x - x, dy = e.y - y; return sqrtf(dx*dx + dy*dy); }
     float magnitudexy() const { return sqrtf(x*x + y*y); }
+    float anglexy() const { return atan2f(x, y) / RAD; }
 
     bool reject(const vec &o, float max) const { return x>o.x+max || x<o.x-max || y>o.y+max || y<o.y-max; }
 
diff --git a/source/src/renderhud.cpp b/source/src/renderhud.cpp
index 37db9384..df36ba14 100644
--- a/source/src/renderhud.cpp
+++ b/source/src/renderhud.cpp
@@ -289,6 +289,39 @@ void drawdmgindicator()
     glEnable(GL_TEXTURE_2D);
 }
 
+VARP(hidektfindicator, 0, 0, 1);
+
+void drawktfindicator()
+{
+    if(hidektfindicator || !m_ktf) return;
+    vec flagpos(-1.0f, -1.0f, 0.0f);
+    loopi(2)
+    {
+        flaginfo &f = flaginfos[i];
+        if(f.state == CTFF_INBASE) flagpos = f.pos;
+        else if(f.state == CTFF_STOLEN && f.actor && f.actor != player1) flagpos = f.actor->o;
+    }
+    if(flagpos.x > 0 && flagpos.y > 0)
+    {
+        flagpos.sub(player1->o);
+        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+        glDisable(GL_TEXTURE_2D);
+        glPushMatrix();
+        glColor4f(0.7f, 0.7f, 0.0f, 0.7f);
+        glTranslatef(VIRTW/2, VIRTH/2, 0);
+        glRotatef(180.0f - player1->yaw - flagpos.anglexy(), 0, 0, 1);
+        glTranslatef(0, -200.0f, 0); // dist
+        glBegin(GL_TRIANGLE_STRIP);
+        glVertex3f(20.0f, 50.0f, 0.0f);
+        glVertex3f(0.0f, 0.0f, 0.0f);
+        glVertex3f(0.0f, 40.0f, 0.0f);
+        glVertex3f(-20.0f, 50.0f, 0.0f);
+        glEnd();
+        glPopMatrix();
+        glEnable(GL_TEXTURE_2D);
+    }
+}
+
 extern int oldfashionedgunstats;
 
 void drawequipicons(playerent *p)
@@ -797,6 +830,7 @@ void gl_drawhud(int w, int h, int curfps, int nquads, int curvert, bool underwat
     {
         bool drawteamwarning = crosshairteamsign && targetplayer && isteam(targetplayer->team, p->team) && targetplayer->state==CS_ALIVE;
         p->weaponsel->renderaimhelp(drawteamwarning);
+        drawktfindicator();
     }
 
     drawdmgindicator();