From e33e19d0587146859d48a134ec9fd94e7b7ba5cd Mon Sep 17 00:00:00 2001 From: "FWoltermann@gmail.com" Date: Thu, 8 Dec 2011 14:53:40 +0000 Subject: Initial upload --- nGenEx/Sprite.cpp | 380 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 380 insertions(+) create mode 100644 nGenEx/Sprite.cpp (limited to 'nGenEx/Sprite.cpp') diff --git a/nGenEx/Sprite.cpp b/nGenEx/Sprite.cpp new file mode 100644 index 0000000..4086314 --- /dev/null +++ b/nGenEx/Sprite.cpp @@ -0,0 +1,380 @@ +/* Project nGenEx + Destroyer Studios LLC + Copyright © 1997-2004. All Rights Reserved. + + SUBSYSTEM: nGenEx.lib + FILE: Sprite.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + Sprite (Polygon) Object +*/ + +#include "MemDebug.h" +#include "Sprite.h" +#include "Bitmap.h" +#include "Camera.h" +#include "Polygon.h" +#include "Video.h" +#include "Game.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(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 = Game::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 = Game::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; + } +} + -- cgit v1.1