Beispiel #1
0
//activate global light model settings (amient light, local view, two sided)
func ApplyLightModelToScene() {
	if globals.UseShader {
		program.GUsedProgram.UniformColor("uLightModelAmbient", GLightModelAmbient)
		program.GUsedProgram.UniformBool("uLightModelLocalViewer", GLightModelLocalViewer)
		program.GUsedProgram.UniformBool("uLightModelTwoSide", GLightModelTwoSide)
	} else {
		gl.LightModelfv(gl.LIGHT_MODEL_AMBIENT, GLightModelAmbient.Slc32())
		ilocview, itwosides := 0, 0
		if GLightModelLocalViewer {
			ilocview = 1
		}
		if GLightModelTwoSide {
			itwosides = 1
		}
		gl.LightModeli(gl.LIGHT_MODEL_LOCAL_VIEWER, ilocview)
		gl.LightModeli(gl.LIGHT_MODEL_TWO_SIDE, itwosides)
	}
}
Beispiel #2
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++
}
Beispiel #3
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.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()
}