ported meatball crosshair

copied from http://www.quakewiki.net/archives/qdevels/quake2/12_1_98.html

CMakeLists.txt

@@ -201,6 +201,7 @@ set(Game-Source
 	${GAME_SRC_DIR}/g_turret.c
 	${GAME_SRC_DIR}/g_utils.c
 	${GAME_SRC_DIR}/g_weapon.c
+	${GAME_SRC_DIR}/laser.c
 	${GAME_SRC_DIR}/monster/berserker/berserker.c
 	${GAME_SRC_DIR}/monster/boss2/boss2.c
 	${GAME_SRC_DIR}/monster/boss3/boss3.c

Makefile

@@ -555,6 +555,7 @@ GAME_OBJS_ = \
 	src/game/g_turret.o \
 	src/game/g_utils.o \
 	src/game/g_weapon.o \
+	src/game/laser.o \
 	src/game/monster/berserker/berserker.o \
 	src/game/monster/boss2/boss2.o \
 	src/game/monster/boss3/boss3.o \

src/game/g_cmds.c

@@ -1364,10 +1364,14 @@ ClientCommand(edict_t *ent)
 	{
 		Cmd_Wave_f(ent);
 	}
+	else if (Q_stricmp(cmd, "laser") == 0)
+	{
+		SP_LaserSight(ent);
+	}
 	else if (Q_stricmp(cmd, "playerlist") == 0)
 	{
 		Cmd_PlayerList_f(ent);
-	}
+	}	
 	else /* anything that doesn't match a command will be a chat */
 	{
 		Cmd_Say_f(ent, false, true);

src/game/header/local.h

@@ -1073,4 +1073,9 @@ struct edict_s
 	monsterinfo_t monsterinfo;
 };
 
+/* laser.c */
+void LaserSightThink (edict_t *self);
+void SP_LaserSight(edict_t *self);
+void UpdateLaserSight(void);
+
 #endif /* GAME_LOCAL_H */

src/game/laser.c

@@ -0,0 +1,95 @@
+// laser sight patch, by Geza Beladi
+
+#include "header/local.h"
+
+
+/*----------------------------------------
+  SP_LaserSight
+
+  Create/remove the laser sight entity
+-----------------------------------------*/
+
+edict_t *lasersight;
+
+#define lss lasersight
+
+void SP_LaserSight(edict_t *self) {
+
+   vec3_t  start,forward,right,end;
+
+   if ( lss ) {
+      G_FreeEdict(lss);
+      lss = NULL;
+      gi.bprintf(PRINT_HIGH, "lasersight off.");
+      return;
+   }
+
+   gi.bprintf(PRINT_HIGH, "lasersight on.");
+
+   AngleVectors (self->client->v_angle, forward, right, NULL);
+
+   VectorSet(end,100 , 0, 0);
+   G_ProjectSource(self->s.origin, end, forward, right, start);
+
+   lss = G_Spawn();
+   lss->owner = self;
+   lss->movetype = MOVETYPE_NOCLIP;
+   lss->solid = SOLID_NOT;
+   lss->classname = "lasersight";
+//   lss->s.modelindex = gi.modelindex ("put/your/own/model/here.md2");
+   lss->s.modelindex = gi.modelindex("models/objects/gibs/sm_meat/tris.md2");
+   lss->s.skinnum = 0;
+
+   lss->s.renderfx |= RF_FULLBRIGHT;
+
+   lss->think = LaserSightThink;
+   lss->nextthink = level.time + 0.1;
+}
+
+
+/*---------------------------------------------
+  LaserSightThink
+
+  Updates the sights position, angle, and shape
+   is the lasersight entity
+---------------------------------------------*/
+
+void LaserSightThink(edict_t *self)
+{
+   vec3_t start,end,endp,offset;
+   vec3_t forward,right,up;
+   trace_t tr;
+
+   AngleVectors(self->owner->client->v_angle, forward, right, up);
+
+   VectorSet(offset,24 , 6, self->owner->viewheight-7);
+   G_ProjectSource (self->owner->s.origin, offset, forward, right, start);
+   VectorMA(start,8192,forward,end);
+
+   tr = gi.trace(start,NULL,NULL, end,self->owner,CONTENTS_SOLID|CONTENTS_MONSTER|CONTENTS_DEADMONSTER);
+
+   if(tr.fraction != 1) {
+      VectorMA(tr.endpos,-4,forward,endp);
+      VectorCopy(endp,tr.endpos);
+   }
+
+   if ((tr.ent->svflags & SVF_MONSTER) || (tr.ent->client)){
+      if ((tr.ent->takedamage) && (tr.ent != self->owner)) {
+         self->s.skinnum = 1;
+      }
+   }
+   else
+      self->s.skinnum = 0;
+
+   vectoangles(tr.plane.normal,self->s.angles);
+   VectorCopy(tr.endpos,self->s.origin);
+
+   gi.linkentity(self);
+   self->nextthink = level.time + 0.001;
+}
+
+void UpdateLaserSight(void){
+   if(lasersight != NULL){
+      LaserSightThink(lasersight); 
+   };
+}