Moved Stars45 to StarsEx

1 files changed, 173 insertions, 0 deletions

diff --git a/StarsEx/QuantumFlash.cpp b/StarsEx/QuantumFlash.cpp
new file mode 100644
index 0000000..34d2764
--- /dev/null
+++ b/StarsEx/QuantumFlash.cpp
@@ -0,0 +1,173 @@
+/*  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
+    ========
+    Quantum Warp Out special effect class
+*/
+
+#include "QuantumFlash.h"
+
+#include "Light.h"
+#include "Bitmap.h"
+#include "DataLoader.h"
+#include "Game.h"
+#include "Random.h"
+#include "Scene.h"
+
+// +--------------------------------------------------------------------+
+
+static Bitmap* quantum_flash_texture = 0;
+
+// +--------------------------------------------------------------------+
+
+QuantumFlash::QuantumFlash()
+: nverts(64), npolys(16), mtl(0), verts(0), polys(0), beams(0),
+texture(quantum_flash_texture), length(8000), width(0),
+shade(1.0)
+{
+    trans    = true;
+    luminous = true;
+
+    if (!texture || texture->Width() < 1) {
+        DataLoader* loader = DataLoader::GetLoader();
+        loader->SetDataPath("Explosions/");
+        loader->LoadTexture("quantum.pcx", quantum_flash_texture, Bitmap::BMP_TRANSLUCENT);
+        loader->SetDataPath(0);
+        texture = quantum_flash_texture;
+    }
+
+    loc = Vec3(0.0f, 0.0f, 1000.0f);
+
+    mtl   = new Material;
+    verts = new VertexSet(nverts);
+    polys = new Poly[npolys];
+    beams = new Matrix[npolys];
+
+    mtl->Kd           = Color::White;
+    mtl->tex_diffuse  = texture;
+    mtl->tex_emissive = texture;
+    mtl->blend        = Video::BLEND_ADDITIVE;
+    mtl->luminous     = true;
+
+    verts->nverts = nverts;
+
+    for (int i = 0; i < npolys; i++) {
+        verts->loc[4*i+0] = Point( width, 0,       1000);
+        verts->loc[4*i+1] = Point( width, -length, 1000);
+        verts->loc[4*i+2] = Point(-width, -length, 1000);
+        verts->loc[4*i+3] = Point(-width, 0,       1000);
+
+        for (int n = 0; n < 4; n++) {
+            verts->diffuse[4*i+n]   = D3DCOLOR_RGBA(255,255,255,255);
+            verts->specular[4*i+n]  = D3DCOLOR_RGBA(  0,  0,  0,255);
+            verts->tu[4*i+n]        = (n < 2)          ? 0.0f : 1.0f;
+            verts->tv[4*i+n]        = (n > 0 && n < 3) ? 1.0f : 0.0f;
+        }
+
+        beams[i].Roll( Random(-2*PI, 2*PI));
+        beams[i].Pitch(Random(-2*PI, 2*PI));
+        beams[i].Yaw(  Random(-2*PI, 2*PI));
+
+        polys[i].nverts      = 4;
+        polys[i].visible     = 1;
+        polys[i].sortval     = 0;
+        polys[i].vertex_set  = verts;
+        polys[i].material    = mtl;
+
+        polys[i].verts[0]    = 4*i+0;
+        polys[i].verts[1]    = 4*i+1;
+        polys[i].verts[2]    = 4*i+2;
+        polys[i].verts[3]    = 4*i+3;
+    }
+
+    radius = (float) length;
+    length = 0;
+    strcpy_s(name, "QuantumFlash");
+}
+
+// +--------------------------------------------------------------------+
+
+QuantumFlash::~QuantumFlash()
+{
+    delete    mtl;
+    delete    verts;
+    delete [] polys;
+    delete [] beams;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+QuantumFlash::Render(Video* video, DWORD flags)
+{
+    if (hidden || !visible || !video || ((flags & RENDER_ADDITIVE) == 0))
+    return;
+
+    const Camera* cam = video->GetCamera();
+
+    if (cam) {
+        UpdateVerts(cam->Pos());
+        video->DrawPolys(npolys, polys);
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+QuantumFlash::UpdateVerts(const Point& cam_pos)
+{
+    if (length < radius) {
+        length += radius/80;
+        width  += 1;
+    }
+
+    for (int i = 0; i < npolys; i++) {
+        Matrix& m = beams[i];
+
+        m.Yaw(0.05);
+        Point vpn = Point(m(2,0), m(2,1), m(2,2));
+
+        Point head  = loc;
+        Point tail  = loc - vpn * length;
+        Point vtail = tail - head;
+        Point vcam  = cam_pos - loc;
+        Point vtmp  = vcam.cross(vtail);
+        vtmp.Normalize();
+        Point vlat  = vtmp * -width;
+
+        verts->loc[4*i+0] = head + vlat;
+        verts->loc[4*i+1] = tail + vlat * 8;
+        verts->loc[4*i+2] = tail - vlat * 8;
+        verts->loc[4*i+3] = head - vlat;
+
+        DWORD color = D3DCOLOR_RGBA((BYTE) (255*shade), (BYTE) (255*shade), (BYTE) (255*shade), 255);
+
+        for (int n = 0; n < 4; n++) {
+            verts->diffuse[4*i+n] = color;
+        }
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+QuantumFlash::SetOrientation(const Matrix& o)
+{
+    orientation = o;
+}
+
+void
+QuantumFlash::SetShade(double s)
+{
+    if (s < 0) s = 0;
+    else if (s > 1) s = 1;
+
+    shade = s;
+}
+