From 3c487c5cd69c53d6fea948643c0a76df03516605 Mon Sep 17 00:00:00 2001 From: Aki Date: Fri, 1 Apr 2022 21:23:39 +0200 Subject: Moved Stars45 to StarsEx --- Stars45/Trail.cpp | 199 ------------------------------------------------------ 1 file changed, 199 deletions(-) delete mode 100644 Stars45/Trail.cpp (limited to 'Stars45/Trail.cpp') diff --git a/Stars45/Trail.cpp b/Stars45/Trail.cpp deleted file mode 100644 index a29deca..0000000 --- a/Stars45/Trail.cpp +++ /dev/null @@ -1,199 +0,0 @@ -/* Starshatter: The Open Source Project - Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors - Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors - Copyright (c) 1997-2006, Destroyer Studios LLC. - - AUTHOR: John DiCamillo - - - OVERVIEW - ======== - Missile Trail representation class -*/ - -#include "Trail.h" -#include "Weapon.h" -#include "Sim.h" - -#include "Clock.h" -#include "Light.h" -#include "Bitmap.h" -#include "DataLoader.h" -#include "Sound.h" -#include "Video.h" - -// +--------------------------------------------------------------------+ - -Trail::Trail(Bitmap* tex, int n) -: ntrail(0), length0(0), length1(0), texture(tex), maxtrail(n), dim(1) -{ - trans = true; - luminous = true; - - mtl.Kd = Color::White; - mtl.tex_diffuse = texture; - mtl.tex_emissive = texture; - mtl.blend = Video::BLEND_ADDITIVE; - mtl.luminous = true; - - if (maxtrail < 4) maxtrail = 512; - trail = new Point[maxtrail]; - verts = new VertexSet(maxtrail*2); - verts->Clear(); - verts->nverts = 0; - - for (int i = 0; i < maxtrail*2; i++) { - verts->diffuse[i] = D3DCOLOR_RGBA(255,255,255,255); - verts->specular[i] = D3DCOLOR_RGBA( 0, 0, 0,255); - verts->tu[i] = 0.0f; - verts->tv[i] = (i & 1) ? 1.0f : 0.0f; - } - - polys = new Poly[maxtrail]; - - for (int i = 0; i < maxtrail; i++) { - polys[i].vertex_set = verts; - polys[i].nverts = 4; - polys[i].material = &mtl; - } - - npolys = 0; - nverts = 0; - width = 6; - length = 0; - dim = 3; - - last_point_time = 0; -} - -Trail::~Trail() -{ - delete [] trail; - delete [] polys; - delete verts; -} - -void -Trail::UpdateVerts(const Point& cam_pos) -{ - if (ntrail < 2) return; - - int bright = 255 - dim*ntrail; - - Point head = trail[1] + loc; - Point tail = trail[0] + loc; - Point vcam = cam_pos - head; - Point vtmp = vcam.cross(head-tail); - vtmp.Normalize(); - Point vlat = vtmp * (width + (0.1 * width * ntrail)); - - verts->loc[0] = tail - vlat; - verts->loc[1] = tail + vlat; - verts->diffuse[0] = 0; - verts->diffuse[1] = 0; - - for (int i = 0; i < ntrail-1; i++) { - bright+=dim; - Point head = trail[i+1] + loc; - Point tail = trail[i] + loc; - Point vcam = cam_pos - head; - Point vtmp = vcam.cross(head-tail); - vtmp.Normalize(); - - float trail_width = (float) (width + (ntrail-i) * width * 0.1); - if (i == ntrail-2) trail_width = (float) (width * 0.7); - Point vlat = vtmp * trail_width; - - verts->loc[2*i+2] = head - vlat; - verts->loc[2*i+3] = head + vlat; - - if (bright <= 0) { - verts->diffuse[2*i+2] = 0; - verts->diffuse[2*i+3] = 0; - } - else { - verts->diffuse[2*i+2] = D3DCOLOR_RGBA(bright,bright,bright,bright); - verts->diffuse[2*i+3] = D3DCOLOR_RGBA(bright,bright,bright,bright); - } - } -} - -void -Trail::Render(Video* video, DWORD flags) -{ - if (!npolys) return; - - if ((flags & RENDER_ADDITIVE) == 0) - return; - - if (video && life) { - const Camera* cam = video->GetCamera(); - - if (cam) - UpdateVerts(cam->Pos()); - - video->DrawPolys(npolys, polys); - } -} - -void -Trail::AddPoint(const Point& v) -{ - if (ntrail >= maxtrail-1) return; - - double real_time = Clock::GetInstance()->RealTime() / 1000.0; - - if (ntrail == 0) { - radius = 1000; - } - else { - radius = (float) Point(v-loc).length(); - } - - // just adjust the last point: - if (ntrail > 1 && real_time - last_point_time < 0.05) { - trail[ntrail-1] = v; - } - - // add a new point: - else { - last_point_time = real_time; - trail[ntrail++] = v; - - nverts += 2; - verts->nverts = nverts; - - if (ntrail > 1) { - length0 = length1; - length1 = length0 + (trail[ntrail-1]-trail[ntrail-2]).length(); - - polys[npolys].vertex_set = verts; - polys[npolys].nverts = 4; - - polys[npolys].verts[0] = nverts-4; - polys[npolys].verts[1] = nverts-2; - polys[npolys].verts[2] = nverts-1; - polys[npolys].verts[3] = nverts-3; - - float tu1 = (float) length1 / 250.0f; - - verts->tu[2*ntrail-1] = tu1; - verts->tu[2*ntrail-2] = tu1; - - npolys++; - } - } -} - -double -Trail::AverageLength() -{ - double avg = 0; - - for (int i = 0; i < ntrail-1; i++) - avg += (trail[i+1]-trail[i]).length(); - avg /= ntrail; - - return avg; -} - -- cgit v1.1