func (m *Material) Use() {
if globals.UseShader {
program.SetFrontMaterial(m)
} else {
gl.Materialfv(gl.FRONT, gl.EMISSION, color.Black0.Slc32())
gl.Materialfv(gl.FRONT, gl.AMBIENT, m.A.Slc32())
gl.Materialfv(gl.FRONT, gl.DIFFUSE, m.B.Slc32())
gl.Materialfv(gl.FRONT, gl.SPECULAR, m.C.Slc32())
gl.Materialf(gl.FRONT, gl.SHININESS, float32(m.S*128.0))
}
}
func init_() {
pos := []float32{5.0, 5.0, 10.0, 0.0}
red := []float32{0.8, 0.1, 0.0, 1.0}
green := []float32{0.0, 0.8, 0.2, 1.0}
blue := []float32{0.2, 0.2, 1.0, 1.0}
gl.Lightfv(gl.LIGHT0, gl.POSITION, pos)
gl.Enable(gl.CULL_FACE)
gl.Enable(gl.LIGHTING)
gl.Enable(gl.LIGHT0)
gl.Enable(gl.DEPTH_TEST)
/* make the gears */
gear1 = gl.GenLists(1)
gl.NewList(gear1, gl.COMPILE)
gl.Materialfv(gl.FRONT, gl.AMBIENT_AND_DIFFUSE, red)
gear(1.0, 4.0, 1.0, 20, 0.7)
gl.EndList()
gear2 = gl.GenLists(1)
gl.NewList(gear2, gl.COMPILE)
gl.Materialfv(gl.FRONT, gl.AMBIENT_AND_DIFFUSE, green)
gear(0.5, 2.0, 2.0, 10, 0.7)
gl.EndList()
gear3 = gl.GenLists(1)
gl.NewList(gear3, gl.COMPILE)
gl.Materialfv(gl.FRONT, gl.AMBIENT_AND_DIFFUSE, blue)
gear(1.3, 2.0, 0.5, 10, 0.7)
gl.EndList()
gl.Enable(gl.NORMALIZE)
if *printInfo {
print("GL_RENDERER = ", gl.GetString(gl.RENDERER), "\n")
print("GL_VERSION = ", gl.GetString(gl.VERSION), "\n")
print("GL_VENDOR = ", gl.GetString(gl.VENDOR), "\n")
print("GL_EXTENSIONS = ", gl.GetString(gl.EXTENSIONS), "\n")
}
}
func (m *Material) Use() {
gl.Materialfv(gl.FRONT, gl.AMBIENT, m.A.Slc())
gl.Materialfv(gl.FRONT, gl.DIFFUSE, m.B.Slc())
gl.Materialfv(gl.FRONT, gl.SPECULAR, m.C.Slc())
gl.Materialf(gl.FRONT, gl.SHININESS, float32(m.S*128.0))
}
func Draw(t int64) {
console.culledVertices = 0
console.vertices = 0
gVertexBuffer.Reset()
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT)
gl.Color4ub(192, 192, 192, 255)
gl.Enable(gl.TEXTURE_2D)
gl.Enable(gl.DEPTH_TEST)
gl.Enable(gl.LIGHTING)
gl.Enable(gl.LIGHT0)
gl.Enable(gl.COLOR_MATERIAL)
gl.LoadIdentity()
center := ThePlayer.Position()
matrix := ModelMatrix().Float32()
gl.MultMatrixf(&matrix[0])
// Sun
gl.Materialfv(gl.FRONT, gl.AMBIENT, []float32{0.1, 0.1, 0.1, 1})
gl.Materialfv(gl.FRONT, gl.DIFFUSE, []float32{0.1, 0.1, 0.1, 1})
gl.Materialfv(gl.FRONT, gl.SPECULAR, []float32{0.1, 0.1, 0.1, 1})
gl.Materialfv(gl.FRONT, gl.SHININESS, []float32{0.0, 0.0, 0.0, 1})
daylightIntensity := float32(SUNLIGHT_LEVELS[sunlightLevel])
gl.LightModelfv(gl.LIGHT_MODEL_AMBIENT, []float32{daylightIntensity / 2.5, daylightIntensity / 2.5, daylightIntensity / 2.5, 1})
gl.Lightfv(gl.LIGHT0, gl.POSITION, []float32{30 * float32(math.Sin(ThePlayer.Heading()*math.Pi/180)), 60, 30 * float32(math.Cos(ThePlayer.Heading()*math.Pi/180)), 0})
gl.Lightfv(gl.LIGHT0, gl.AMBIENT, []float32{daylightIntensity, daylightIntensity, daylightIntensity, 1})
gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, []float32{daylightIntensity * 2, daylightIntensity * 2, daylightIntensity * 2, 1})
gl.Lightfv(gl.LIGHT0, gl.SPECULAR, []float32{daylightIntensity, daylightIntensity, daylightIntensity, 1})
gl.RenderMode(gl.RENDER)
var selectedBlockFace *BlockFace
if !pause.visible && !inventory.visible {
selectedBlockFace = viewport.SelectedBlockFace()
}
ThePlayer.Draw(center, selectedBlockFace)
TheWorld.Draw(center, selectedBlockFace)
if pause.visible {
pause.Draw(t)
} else if inventory.visible {
inventory.Draw(t)
} else {
picker.Draw(t)
}
if console.visible {
console.Draw(t)
}
gl.Finish()
gl.Flush()
sdl.GL_SwapBuffers()
console.framesDrawn++
}
func Draw(t int64) {
console.culledVertices = 0
console.vertices = 0
gVertexBuffer.Reset()
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT)
gl.Color4ub(192, 192, 192, 255)
gl.Enable(gl.TEXTURE_2D)
gl.Enable(gl.DEPTH_TEST)
//gl.Enable(gl.FOG)
gl.Enable(gl.LIGHTING)
gl.Enable(gl.LIGHT0)
gl.Enable(gl.COLOR_MATERIAL)
if timeOfDay < 5.3 || timeOfDay > 20.7 {
gl.Enable(gl.LIGHT1)
} else {
gl.Disable(gl.LIGHT1)
}
// CheckGLError()
gl.LoadIdentity()
center := ThePlayer.Position()
// matrix := *viewport.matrix.Float32()
matrix := ModelMatrix().Float32()
gl.MultMatrixf(&matrix[0])
//gl.Translatef(-float32(center[XAXIS]), -float32(center[YAXIS]), -float32(center[ZAXIS]))
// Sun
gl.Materialfv(gl.FRONT, gl.AMBIENT, []float32{0.1, 0.1, 0.1, 1})
gl.Materialfv(gl.FRONT, gl.DIFFUSE, []float32{0.1, 0.1, 0.1, 1})
gl.Materialfv(gl.FRONT, gl.SPECULAR, []float32{0.1, 0.1, 0.1, 1})
gl.Materialfv(gl.FRONT, gl.SHININESS, []float32{0.0, 0.0, 0.0, 1})
var daylightIntensity float32 = 0.45
var nighttimeIntensity float32 = 0.15
if timeOfDay < 5 || timeOfDay > 21 {
gl.LightModelfv(gl.LIGHT_MODEL_AMBIENT, []float32{0.2, 0.2, 0.2, 1})
daylightIntensity = 0.01
} else if timeOfDay < 6 {
daylightIntensity = nighttimeIntensity + daylightIntensity*(timeOfDay-5)
} else if timeOfDay > 20 {
daylightIntensity = nighttimeIntensity + daylightIntensity*(21-timeOfDay)
}
gl.LightModelfv(gl.LIGHT_MODEL_AMBIENT, []float32{daylightIntensity / 2.5, daylightIntensity / 2.5, daylightIntensity / 2.5, 1})
gl.Lightfv(gl.LIGHT0, gl.POSITION, []float32{30 * float32(math.Sin(ThePlayer.Heading()*math.Pi/180)), 60, 30 * float32(math.Cos(ThePlayer.Heading()*math.Pi/180)), 0})
gl.Lightfv(gl.LIGHT0, gl.AMBIENT, []float32{daylightIntensity, daylightIntensity, daylightIntensity, 1})
// gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, []float32{daylightIntensity, daylightIntensity, daylightIntensity,1})
// gl.Lightfv(gl.LIGHT0, gl.SPECULAR, []float32{daylightIntensity, daylightIntensity, daylightIntensity,1})
gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, []float32{daylightIntensity * 2, daylightIntensity * 2, daylightIntensity * 2, 1})
gl.Lightfv(gl.LIGHT0, gl.SPECULAR, []float32{daylightIntensity, daylightIntensity, daylightIntensity, 1})
// Torch
// ambient := float32(0.6)
// specular := float32(0.6)
// diffuse := float32(1)
// gl.Lightfv(gl.LIGHT1, gl.POSITION, []float32{float32(ThePlayer.position[XAXIS]), float32(ThePlayer.position[YAXIS] + 1), float32(ThePlayer.position[ZAXIS]), 1})
// gl.Lightfv(gl.LIGHT1, gl.AMBIENT, []float32{ambient, ambient, ambient, 1})
// gl.Lightfv(gl.LIGHT1, gl.SPECULAR, []float32{specular, specular, specular, 1})
// gl.Lightfv(gl.LIGHT1, gl.DIFFUSE, []float32{diffuse, diffuse, diffuse, 1})
// gl.Lightf(gl.LIGHT1, gl.CONSTANT_ATTENUATION, 1.5)
// gl.Lightf(gl.LIGHT1, gl.LINEAR_ATTENUATION, 0.5)
// gl.Lightf(gl.LIGHT1, gl.QUADRATIC_ATTENUATION, 0.01)
// gl.Lightf(gl.LIGHT1, gl.SPOT_CUTOFF, 35)
// gl.Lightf(gl.LIGHT1, gl.SPOT_EXPONENT, 2.0)
// gl.Lightfv(gl.LIGHT1, gl.SPOT_DIRECTION, []float32{float32(math.Cos(ThePlayer.Heading() * math.Pi / 180)), float32(-0.7), -float32(math.Sin(ThePlayer.Heading() * math.Pi / 180))})
gl.RenderMode(gl.RENDER)
selectedBlockFace := viewport.SelectedBlockFace()
ThePlayer.Draw(center, selectedBlockFace)
TheWorld.Draw(center, selectedBlockFace)
if pause.visible {
pause.Draw(t)
} else if inventory.visible {
inventory.Draw(t)
} else {
picker.Draw(t)
}
if console.visible {
console.Draw(t)
}
gl.Finish()
gl.Flush()
sdl.GL_SwapBuffers()
// runtime.GC()
}