class DoomBuilderCamera : Actor { States { Spawn: TNT1 A 1; Stop; } } class SecurityCamera : Actor { default { +NOBLOCKMAP +NOGRAVITY +DONTSPLASH RenderStyle "None"; CameraHeight 0; } double Center; double Acc; double Delta; double Range; override void PostBeginPlay () { Super.PostBeginPlay (); Center = Angle; if (args[2]) Delta = 360. / (args[2] * TICRATE / 8); else Delta = 0.; if (args[1]) Delta /= 2; Acc = 0.; int arg = (args[0] << 24) >> 24; // make sure the value has the intended sign. Pitch = clamp(arg, -89, 89); Range = args[1]; } override void Tick () { Acc += Delta; if (Range != 0) Angle = Center + Range * sin(Acc); else if (Delta != 0) Angle = Acc; } } class AimingCamera : SecurityCamera { double MaxPitchChange; override void PostBeginPlay () { int changepitch = args[2]; args[2] = 0; Super.PostBeginPlay (); MaxPitchChange = double(changepitch) / TICRATE; Range /= TICRATE; ActorIterator it = Level.CreateActorIterator(args[3]); tracer = it.Next (); if (tracer == NULL) { if (args[3] != 0) { console.Printf ("AimingCamera %d: Can't find TID %d\n", tid, args[3]); } } else { // Don't try for a new target upon losing this one. args[3] = 0; } } override void Tick () { if (tracer == NULL && args[3] != 0) { // Recheck, in case something with this TID was created since the last time. ActorIterator it = Level.CreateActorIterator(args[3]); tracer = it.Next (); } if (tracer != NULL) { double dir = deltaangle(angle, AngleTo(tracer)); double delta = abs(dir); if (delta > Range) { delta = Range; } if (dir > 0) { Angle += delta; } else { Angle -= delta; } if (MaxPitchChange != 0) { // Aim camera's pitch; use floats for precision Vector2 vect = tracer.Vec2To(self); double dz = pos.z - tracer.pos.z - tracer.Height/2; double dist = vect.Length(); double desiredPitch = dist != 0.f ? VectorAngle(dist, dz) : 0.; double diff = deltaangle(pitch, desiredPitch); if (abs (diff) < MaxPitchChange) { pitch = desiredPitch; } else if (diff < 0) { pitch -= MaxPitchChange; } else { pitch += MaxPitchChange; } } } } } class SpectatorCamera : Actor { bool chasingtracer; double lagdistance; // camera gives chase (lazy follow) if tracer gets > lagdistance away from camera.pos int chasemode; // 0: chase until tracer centered, 1: same but only when tracer is moving, 2: stop chase if tracer within lagdistance property lagdistance : lagdistance; property chasingtracer : chasingtracer; property chasemode : chasemode; default { +NOBLOCKMAP +NOGRAVITY +NOSECTOR +NOINTERACTION RenderStyle "None"; CameraHeight 0; SpectatorCamera.chasingtracer false; SpectatorCamera.lagdistance 0.0; SpectatorCamera.chasemode 0; } void Init(double dist, double yaw, double inpitch, int inflags) { if(((inflags > 0) && (inflags & VPSF_ORTHOGRAPHIC)) || ((inflags < 0) && (ViewPos.Flags & VPSF_ORTHOGRAPHIC))) dist *= 3.0; double zshift = 0.0; if(tracer != NULL) { if(player != NULL) zshift = -0.5*tracer.height; else zshift = 0.5*tracer.height; } else if (player != NULL && player.mo != NULL) zshift = -0.5*player.mo.height; SetViewPos((-dist*Cos(yaw), -dist*Sin(yaw), dist*Tan(inpitch)+zshift), inflags); LookAtSelf(inpitch); } void LookAtSelf(double inpitch) { if(ViewPos.Offset != (0., 0., 0.)) { Vector3 negviewpos = (-1.0) * ViewPos.Offset; angle = negviewpos.Angle(); pitch = inpitch; } } override void Tick() { if(tracer != NULL) { Vector3 distvec = tracer.pos - pos; double dist = distvec.length(); if((dist <= 4 && chasingtracer) || lagdistance <= 0.0) // Keep tracer centered on screen { SetOrigin(tracer.pos, true); chasingtracer = false; } else // Lazy follow tracer { if(dist >= 2*lagdistance) { SetOrigin(tracer.pos, true); chasingtracer = false; } else if(dist > lagdistance && !chasingtracer) chasingtracer = true; if(chasingtracer) { speed = tracer.vel.xy.length()/dist; if((speed == 0.0) && (chasemode == 0)) speed = tracer.speed/dist; SetOrigin(pos + 2*distvec*speed, true); if(chasemode > 1) chasingtracer = false; } } } else if(player != NULL && player.mo != NULL) { cameraFOV = player.FOV; SetOrigin(player.mo.pos, true); } } }