/*----------------------------------------------------------------------------- Deco.cpp 2009 Shamus Young ------------------------------------------------------------------------------- This handles building and rendering decoration objects - infrastructure & such around the city. -----------------------------------------------------------------------------*/ #define LOGO_OFFSET 0.2f //How far a logo sticks out from the given surface #include #include #include #include #include #include "glTypes.h" #include "deco.h" #include "light.h" #include "mesh.h" #include "macro.h" #include "math.h" #include "random.h" #include "render.h" #include "texture.h" #include "world.h" #include "visible.h" /*----------------------------------------------------------------------------- -----------------------------------------------------------------------------*/ CDeco::~CDeco () { delete _mesh; } /*----------------------------------------------------------------------------- -----------------------------------------------------------------------------*/ CDeco::CDeco () { _mesh = new CMesh (); _use_alpha = false; } /*----------------------------------------------------------------------------- -----------------------------------------------------------------------------*/ void CDeco::Render () { glColor3fv (&_color.red); _mesh->Render (); } /*----------------------------------------------------------------------------- -----------------------------------------------------------------------------*/ void CDeco::RenderFlat (bool colored) { } /*----------------------------------------------------------------------------- -----------------------------------------------------------------------------*/ bool CDeco::Alpha () { return _use_alpha; } /*----------------------------------------------------------------------------- -----------------------------------------------------------------------------*/ int CDeco::PolyCount () { return _mesh->PolyCount (); } /*----------------------------------------------------------------------------- -----------------------------------------------------------------------------*/ unsigned CDeco::Texture () { return _texture; } /*----------------------------------------------------------------------------- -----------------------------------------------------------------------------*/ void CDeco::CreateRadioTower (GLvector pos, float height) { CLight* l; float offset; GLvertex v; fan f; for(int i=0; i<6; i++) f.index_list.push_back(i); offset = height / 15.0f; _center = pos; _use_alpha = true; //Radio tower v.position = glVector (_center.x, _center.y + height, _center.z); v.uv = glVector (0,1); _mesh->VertexAdd (v); v.position = glVector (_center.x - offset, _center.y, _center.z - offset); v.uv = glVector (1,0); _mesh->VertexAdd (v); v.position = glVector (_center.x + offset, _center.y, _center.z - offset); v.uv = glVector (0,0); _mesh->VertexAdd (v); v.position = glVector (_center.x + offset, _center.y, _center.z + offset); v.uv = glVector (1,0); _mesh->VertexAdd (v); v.position = glVector (_center.x - offset, _center.y, _center.z + offset); v.uv = glVector (0,0); _mesh->VertexAdd (v); v.position = glVector (_center.x - offset, _center.y, _center.z - offset); v.uv = glVector (1,0); _mesh->VertexAdd (v); _mesh->FanAdd (f); l = new CLight (glVector (_center.x, _center.y + height + 1.0f, _center.z), glRgba (255,192,160), 1); l->Blink (); _texture = TextureId (TEXTURE_LATTICE); } /*----------------------------------------------------------------------------- -----------------------------------------------------------------------------*/ void CDeco::CreateLogo (GLvector2 start, GLvector2 end, float bottom, int seed, GLrgba color) { GLvertex p; quad_strip qs; float u1, u2, v1, v2; float top; float height, length; GLvector2 center2d; GLvector to; GLvector out; int logo_index; qs.index_list.push_back(0); qs.index_list.push_back(1); qs.index_list.push_back(3); qs.index_list.push_back(2); _use_alpha = true; _color = color; logo_index = seed % LOGO_ROWS; to = glVector (start.x, 0.0f, start.y) - glVector (end.x, 0.0f, end.y); to = glVectorNormalize (to); out = glVectorCrossProduct (glVector (0.0f, 1.0f, 0.0f), to) * LOGO_OFFSET; center2d = (start + end) / 2; _center = glVector (center2d.x, bottom, center2d.y); length = glVectorLength (start - end); height = (length / 8.0f) * 1.5f; top = bottom + height; u1 = 0.0f; u2 = 0.5f;//We actually only use the left half of the texture v1 = (float)logo_index / LOGO_ROWS; v2 = v1 + (1.0f / LOGO_ROWS); p.position = glVector (start.x, bottom, start.y) + out; p.uv = glVector (u1,v1); _mesh->VertexAdd (p); p.position = glVector (end.x, bottom, end.y) + out; p.uv = glVector (u2, v1); _mesh->VertexAdd (p); p.position = glVector (end.x, top, end.y) + out; p.uv = glVector (u2, v2); _mesh->VertexAdd (p); p.position = glVector (start.x, top, start.y) + out; p.uv = glVector (u1, v2); _mesh->VertexAdd (p); _mesh->QuadStripAdd (qs); _texture = TextureId (TEXTURE_LOGOS); } /*----------------------------------------------------------------------------- -----------------------------------------------------------------------------*/ void CDeco::CreateLightStrip (float x, float z, float width, float depth, float height, GLrgba color) { GLvertex p; quad_strip qs1; float u, v; qs1.index_list.push_back(0); qs1.index_list.push_back(1); qs1.index_list.push_back(3); qs1.index_list.push_back(2); _color = color; _use_alpha = true; _center = glVector (x + width / 2, height, z + depth / 2); if (width < depth) { u = 1.0f; v = (float)((int)(depth / width)); } else { v = 1.0f; u = (float)((int)(width / depth)); } _texture = TextureId (TEXTURE_LIGHT); p.position = glVector (x, height, z); p.uv = glVector (0.0f, 0.0f); _mesh->VertexAdd (p); p.position = glVector (x, height, z + depth); p.uv = glVector (0.0f, v); _mesh->VertexAdd (p); p.position = glVector (x + width, height, z + depth); p.uv = glVector (u, v); _mesh->VertexAdd (p); p.position = glVector (x + width, height, z); p.uv = glVector (u, 0.0f); _mesh->VertexAdd (p); _mesh->QuadStripAdd (qs1); _mesh->Compile (); } /*----------------------------------------------------------------------------- -----------------------------------------------------------------------------*/ void CDeco::CreateLightTrim (GLvector* chain, int count, float height, int seed, GLrgba color) { GLvertex p; GLvector to; GLvector out; int i; int index; int prev, next; float u, v1, v2; float row; quad_strip qs; _color = color; _center = glVector (0.0f, 0.0f, 0.0f); qs.index_list.reserve(count * 2 + 2); for (i = 0; i < count; i++) _center += chain[i]; _center /= (float)count; row = (float)(seed % TRIM_ROWS); v1 = row * TRIM_SIZE; v2 = (row + 1.0f) * TRIM_SIZE; index = 0; u = 0.0f; for (i = 0; i < count + 1; i++) { if (i) u += glVectorLength (chain[i % count] - p.position) * 0.1f; //Add the bottom point prev = i - 1; if (prev < 0) prev = count + prev; next = (i + 1) % count; to = glVectorNormalize (chain[next] - chain[prev]); out = glVectorCrossProduct (glVector (0.0f, 1.0f, 0.0f), to) * LOGO_OFFSET; p.position = chain[i % count] + out; p.uv = glVector (u, v2); _mesh->VertexAdd (p); qs.index_list.push_back(index++); //Top point p.position.y += height;p.uv = glVector (u, v1); _mesh->VertexAdd (p); qs.index_list.push_back(index++); } _mesh->QuadStripAdd (qs); _texture = TextureId (TEXTURE_TRIM); _mesh->Compile (); }