func (e *Entity) Render(pos mathgl.Vec2, width float32) { var rgba [4]float64 gl.GetDoublev(gl.CURRENT_COLOR, (*gl.Double)(&rgba[0])) e.last_render_width = width gl.Enable(gl.TEXTURE_2D) e.drawReticle(pos, rgba) if e.sprite.sp != nil { dxi, dyi := e.sprite.sp.Dims() dx := float32(dxi) dy := float32(dyi) tx, ty, tx2, ty2 := e.sprite.sp.Bind() gl.Begin(gl.QUADS) gl.TexCoord2d(gl.Double(tx), gl.Double(-ty)) gl.Vertex2f(gl.Float(pos.X), gl.Float(pos.Y)) gl.TexCoord2d(gl.Double(tx), gl.Double(-ty2)) gl.Vertex2f(gl.Float(pos.X), gl.Float(pos.Y+dy*width/dx)) gl.TexCoord2d(gl.Double(tx2), gl.Double(-ty2)) gl.Vertex2f(gl.Float(pos.X+width), gl.Float(pos.Y+dy*width/dx)) gl.TexCoord2d(gl.Double(tx2), gl.Double(-ty)) gl.Vertex2f(gl.Float(pos.X+width), gl.Float(pos.Y)) gl.End() } }
func (d *Dictionary) RenderString(s string, x, y, z, height float64, just Justification) { if len(s) == 0 { return } strbuf, ok := d.strs[s] if !ok { defer d.RenderString(s, x, y, z, height, just) } size := unsafe.Sizeof(dictVert{}) scale := height / float64(d.data.Maxy-d.data.Miny) width := float32(d.figureWidth(s) * scale) x_pos := float32(x) switch just { case Center: x_pos -= width / 2 case Right: x_pos -= width } if ok { gl.PushMatrix() defer gl.PopMatrix() gl.Translated(gl.Double(x_pos), gl.Double(y), gl.Double(z)) gl.Scaled(gl.Double(scale), gl.Double(scale), 1) gl.PushAttrib(gl.COLOR_BUFFER_BIT) defer gl.PopAttrib() gl.Enable(gl.BLEND) gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA) gl.Enable(gl.TEXTURE_2D) gl.BindTexture(gl.TEXTURE_2D, gl.Uint(d.texture)) gl.BindBuffer(gl.ARRAY_BUFFER, gl.Uint(strbuf.vbuffer)) gl.EnableClientState(gl.VERTEX_ARRAY) gl.VertexPointer(2, gl.FLOAT, gl.Sizei(size), nil) gl.EnableClientState(gl.TEXTURE_COORD_ARRAY) gl.TexCoordPointer(2, gl.FLOAT, gl.Sizei(size), gl.Pointer(unsafe.Offsetof(strbuf.vs[0].u))) gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, gl.Uint(strbuf.ibuffer)) gl.DrawElements(gl.TRIANGLES, gl.Sizei(len(strbuf.is)), gl.UNSIGNED_SHORT, nil) gl.DisableClientState(gl.VERTEX_ARRAY) gl.DisableClientState(gl.TEXTURE_COORD_ARRAY) return } x_pos = 0 for _, r := range s { info := d.getInfo(r) xleft := x_pos + float32(info.Bounds.Min.X) xright := x_pos + float32(info.Bounds.Max.X) ytop := float32(d.data.Maxy - info.Bounds.Min.Y) ybot := float32(height) + float32(d.data.Miny-info.Bounds.Max.Y) start := uint16(len(strbuf.vs)) strbuf.is = append(strbuf.is, start+0) strbuf.is = append(strbuf.is, start+1) strbuf.is = append(strbuf.is, start+2) strbuf.is = append(strbuf.is, start+0) strbuf.is = append(strbuf.is, start+2) strbuf.is = append(strbuf.is, start+3) strbuf.vs = append(strbuf.vs, dictVert{ x: xleft, y: ybot, u: float32(info.Pos.Min.X) / float32(d.data.Dx), v: float32(info.Pos.Max.Y) / float32(d.data.Dy), }) strbuf.vs = append(strbuf.vs, dictVert{ x: xleft, y: ytop, u: float32(info.Pos.Min.X) / float32(d.data.Dx), v: float32(info.Pos.Min.Y) / float32(d.data.Dy), }) strbuf.vs = append(strbuf.vs, dictVert{ x: xright, y: ytop, u: float32(info.Pos.Max.X) / float32(d.data.Dx), v: float32(info.Pos.Min.Y) / float32(d.data.Dy), }) strbuf.vs = append(strbuf.vs, dictVert{ x: xright, y: ybot, u: float32(info.Pos.Max.X) / float32(d.data.Dx), v: float32(info.Pos.Max.Y) / float32(d.data.Dy), }) x_pos += float32(info.Advance) } gl.GenBuffers(1, (*gl.Uint)(&strbuf.vbuffer)) gl.BindBuffer(gl.ARRAY_BUFFER, gl.Uint(strbuf.vbuffer)) gl.BufferData(gl.ARRAY_BUFFER, gl.Sizeiptr(int(size)*len(strbuf.vs)), gl.Pointer(&strbuf.vs[0].x), gl.STATIC_DRAW) gl.GenBuffers(1, (*gl.Uint)(&strbuf.ibuffer)) gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, gl.Uint(strbuf.ibuffer)) gl.BufferData(gl.ELEMENT_ARRAY_BUFFER, gl.Sizeiptr(int(unsafe.Sizeof(strbuf.is[0]))*len(strbuf.is)), gl.Pointer(&strbuf.is[0]), gl.STATIC_DRAW) d.strs[s] = strbuf }
func (f *Furniture) Render(pos mathgl.Vec2, width float32) { var rgba [4]gl.Double gl.GetDoublev(gl.CURRENT_COLOR, &rgba[0]) gl.PushAttrib(gl.CURRENT_BIT) if !f.Blocks_los || !f.alpha_enabled { f.alpha = 1 } var tff gl.Double = 255 gl.Color4ub(gl.Ubyte(tff*rgba[0]), gl.Ubyte(tff*rgba[1]), gl.Ubyte(tff*rgba[2]), gl.Ubyte(tff*rgba[3]*gl.Double(f.alpha))) orientation := f.Orientations[f.Rotation] dy := width * float32(orientation.Texture.Data().Dy()) / float32(orientation.Texture.Data().Dx()) // orientation.Texture.Data().Render(float64(pos.X), float64(pos.Y), float64(width), float64(dy)) orientation.Texture.Data().RenderAdvanced(float64(pos.X), float64(pos.Y), float64(width), float64(dy), 0, !f.Flip) gl.PopAttrib() }