Moved Stars45 to StarsEx

1 files changed, 378 insertions, 0 deletions

diff --git a/StarsEx/Sprite.cpp b/StarsEx/Sprite.cpp
new file mode 100644
index 0000000..a845344
--- /dev/null
+++ b/StarsEx/Sprite.cpp
@@ -0,0 +1,378 @@
+/*  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
+    ========
+    Sprite (Polygon) Object
+*/
+
+#include "Sprite.h"
+#include "Bitmap.h"
+#include "Camera.h"
+#include "Polygon.h"
+#include "Video.h"
+#include "Clock.h"
+
+// +--------------------------------------------------------------------+
+
+Sprite::Sprite()
+: w(0), h(0), nframes(0), own_frames(0),
+frames(0), frame_index(0), frame_time(100), loop(0), shade(1.0),
+angle(0.0), blend_mode(4), filter(1), vset(4), poly(0)
+{
+    trans = true;
+
+    vset.space = VertexSet::WORLD_SPACE;
+    for (int i = 0; i < 4; i++) {
+        vset.diffuse[i]   = Color::White.Value();
+    }
+
+    vset.tu[0]  = 0.0f;
+    vset.tv[0]  = 0.0f;
+    vset.tu[1]  = 1.0f;
+    vset.tv[1]  = 0.0f;
+    vset.tu[2]  = 1.0f;
+    vset.tv[2]  = 1.0f;
+    vset.tu[3]  = 0.0f;
+    vset.tv[3]  = 1.0f;
+
+    poly.nverts     = 4;
+    poly.vertex_set = &vset;
+    poly.material   = &mtl;
+    poly.verts[0]   = 0;
+    poly.verts[1]   = 1;
+    poly.verts[2]   = 2;
+    poly.verts[3]   = 3;
+}
+
+// +--------------------------------------------------------------------+
+
+Sprite::Sprite(Bitmap* animation, int length, int repeat, int share)
+: w(0), h(0), nframes(0), own_frames(0),
+frames(0), frame_index(0), frame_time(67), loop(0), shade(1.0),
+angle(0.0), blend_mode(4), filter(1), vset(4), poly(0)
+{
+    trans = true;
+    SetAnimation(animation, length, repeat, share);
+
+    vset.space = VertexSet::WORLD_SPACE;
+    for (int i = 0; i < 4; i++) {
+        vset.diffuse[i]   = Color::White.Value();
+    }
+
+    vset.tu[0]  = 0.0f;
+    vset.tv[0]  = 0.0f;
+    vset.tu[1]  = 1.0f;
+    vset.tv[1]  = 0.0f;
+    vset.tu[2]  = 1.0f;
+    vset.tv[2]  = 1.0f;
+    vset.tu[3]  = 0.0f;
+    vset.tv[3]  = 1.0f;
+
+    poly.nverts     = 4;
+    poly.vertex_set = &vset;
+    poly.material   = &mtl;
+    poly.verts[0]   = 0;
+    poly.verts[1]   = 1;
+    poly.verts[2]   = 2;
+    poly.verts[3]   = 3;}
+
+// +--------------------------------------------------------------------+
+
+Sprite::~Sprite()
+{
+    if (own_frames) {
+        if (nframes == 1)
+        delete frames;
+        else
+        delete [] frames;
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Sprite::Scale(double scale)
+{
+    if (scale >= 0) {
+        w = (int) (scale * w);
+        h = (int) (scale * h);
+
+        radius = (float) ((w>h) ? w : h) / 2.0f;
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Sprite::Rescale(double scale)
+{
+    if (scale >= 0 && Frame()) {
+        w = (int) (scale * Frame()->Width());
+        h = (int) (scale * Frame()->Height());
+
+        radius = (float) ((w>h) ? w : h) / 2.0f;
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Sprite::Reshape(int w1, int h1)
+{
+    if (w1 >= 0 && h1 >= 0 && Frame()) {
+        w = w1;
+        h = h1;
+
+        radius = (float) ((w>h) ? w : h) / 2.0f;
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Sprite::SetAnimation(Bitmap* animation, int length, int repeat, int share)
+{
+    if (animation) {
+        strncpy_s(name, animation->GetFilename(), 31);
+        name[31] = 0;
+
+        if (own_frames) {
+            if (nframes == 1)
+            delete frames;
+            else
+            delete [] frames;
+        }
+
+        w = animation->Width();
+        h = animation->Height();
+
+        radius = (float) ((w>h) ? w : h) / 2.0f;
+
+        own_frames = !share;
+        nframes = length;
+        frames = animation;
+        frame_index = 0;
+
+        if (repeat) {
+            loop = 1;
+            life = -1;
+        }
+        else {
+            loop = 0;
+            life = nframes;
+        }
+
+        last_time = Clock::GetInstance()->RealTime() - frame_time;
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Sprite::SetTexCoords(const double* uv_interleaved)
+{
+    if (uv_interleaved) {
+        vset.tu[0]  = (float) uv_interleaved[0];
+        vset.tv[0]  = (float) uv_interleaved[1];
+        vset.tu[1]  = (float) uv_interleaved[2];
+        vset.tv[1]  = (float) uv_interleaved[3];
+        vset.tu[2]  = (float) uv_interleaved[4];
+        vset.tv[2]  = (float) uv_interleaved[5];
+        vset.tu[3]  = (float) uv_interleaved[6];
+        vset.tv[3]  = (float) uv_interleaved[7];
+    }
+    else {
+        vset.tu[0]  = 0.0f;
+        vset.tv[0]  = 0.0f;
+        vset.tu[1]  = 1.0f;
+        vset.tv[1]  = 0.0f;
+        vset.tu[2]  = 1.0f;
+        vset.tv[2]  = 1.0f;
+        vset.tu[3]  = 0.0f;
+        vset.tv[3]  = 1.0f;
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+double
+Sprite::FrameRate() const
+{
+    return 1000.0 / (double) frame_time;
+}
+
+void
+Sprite::SetFrameRate(double rate)
+{
+    if (rate > 0.001 && rate < 100) {
+        frame_time = (int) (1000.0 / rate);
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Sprite::SetFrameIndex(int n)
+{
+    if (n >= 0 && n < nframes)
+    frame_index = n;
+}
+
+// +--------------------------------------------------------------------+
+
+Bitmap*
+Sprite::Frame() const
+{
+    return frames + frame_index;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Sprite::Render(Video* video, DWORD flags)
+{
+    if (shade < 0.001 || hidden || !visible || !video)
+    return;
+
+    if (blend_mode == 2 && !(flags & Graphic::RENDER_ALPHA))
+    return;
+
+    if (blend_mode == 4 && !(flags & Graphic::RENDER_ADDITIVE))
+    return;
+
+    if (life > 0 || loop) {
+        const Camera*  camera = video->GetCamera();
+        Matrix         orient(camera->Orientation());
+        Vec3           nrm(camera->vpn() * -1);
+        ColorValue     white((float) shade, (float) shade, (float) shade, (float) shade);
+        DWORD          diff = white.ToColor().Value();
+
+        orient.Roll(angle);
+
+        Vec3           vx = Vec3((float) orient(0,0),
+        (float) orient(0,1),
+        (float) orient(0,2)) * (float) (w/2.0f);
+
+        Vec3           vy = Vec3((float) orient(1,0),
+        (float) orient(1,1),
+        (float) orient(1,2)) * (float) (h/2.0f);
+
+        vset.loc[0]       = loc - vx + vy;
+        vset.nrm[0]       = nrm;
+        vset.diffuse[0]   = diff;
+
+        vset.loc[1]       = loc + vx + vy;
+        vset.nrm[1]       = nrm;
+        vset.diffuse[1]   = diff;
+
+        vset.loc[2]       = loc + vx - vy;
+        vset.nrm[2]       = nrm;
+        vset.diffuse[2]   = diff;
+
+        vset.loc[3]       = loc - vx - vy;
+        vset.nrm[3]       = nrm;
+        vset.diffuse[3]   = diff;
+
+        if (luminous) {
+            mtl.Ka            = Color::Black;
+            mtl.Kd            = Color::Black;
+            mtl.Ks            = Color::Black;
+            mtl.Ke            = white;
+            mtl.tex_diffuse   = Frame();
+            mtl.tex_emissive  = Frame();
+            mtl.blend         = blend_mode;
+            mtl.luminous      = luminous;
+        }
+
+        else {
+            mtl.Ka            = white;
+            mtl.Kd            = white;
+            mtl.Ks            = Color::Black;
+            mtl.Ke            = Color::Black;
+            mtl.tex_diffuse   = Frame();
+            mtl.tex_emissive  = 0;
+            mtl.blend         = blend_mode;
+            mtl.luminous      = luminous;
+        }
+
+        video->DrawPolys(1, &poly);
+    }
+
+    memset(&screen_rect, 0, sizeof(Rect));
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Sprite::Render2D(Video* video)
+{
+    if (shade < 0.001 || hidden || !visible || !video)
+    return;
+
+    ColorValue  white((float) shade, (float) shade, (float) shade, (float) shade);
+    DWORD       diff = white.ToColor().Value();
+
+    double   ca = cos(Angle());
+    double   sa = sin(Angle());
+
+    double   w2 = Width()  / 2.0;
+    double   h2 = Height() / 2.0;
+
+    vset.s_loc[0].x = (float) (loc.x + (-w2*ca - -h2*sa) - 0.5);
+    vset.s_loc[0].y = (float) (loc.y + (-w2*sa + -h2*ca) - 0.5);
+    vset.s_loc[0].z = 0.0f;
+    vset.rw[0]      = 1.0f;
+    vset.diffuse[0] = diff;
+
+    vset.s_loc[1].x = (float) (loc.x + ( w2*ca - -h2*sa) - 0.5);
+    vset.s_loc[1].y = (float) (loc.y + ( w2*sa + -h2*ca) - 0.5);
+    vset.s_loc[1].z = 0.0f;
+    vset.rw[1]      = 1.0f;
+    vset.diffuse[1] = diff;
+
+    vset.s_loc[2].x = (float) (loc.x + ( w2*ca -  h2*sa) - 0.5);
+    vset.s_loc[2].y = (float) (loc.y + ( w2*sa +  h2*ca) - 0.5);
+    vset.s_loc[2].z = 0.0f;
+    vset.rw[2]      = 1.0f;
+    vset.diffuse[2] = diff;
+
+    vset.s_loc[3].x = (float) (loc.x + (-w2*ca -  h2*sa) - 0.5);
+    vset.s_loc[3].y = (float) (loc.y + (-w2*sa +  h2*ca) - 0.5);
+    vset.s_loc[3].z = 0.0f;
+    vset.rw[3]      = 1.0f;
+    vset.diffuse[3] = diff;
+
+    mtl.Kd          = white;
+    mtl.tex_diffuse = Frame();
+    mtl.blend       = blend_mode;
+
+    video->DrawScreenPolys(1, &poly, blend_mode);
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Sprite::Update()
+{
+    if (life > 0 || loop) {
+        DWORD time = Clock::GetInstance()->RealTime();
+        while (time - last_time > frame_time) {
+            life--;
+            frame_index++;
+            if (frame_index >= nframes)
+            frame_index = 0;
+
+            last_time += frame_time;
+        }
+
+        if (life < 0 && !loop)
+        life = 0;
+    }
+}
+