Exemplo n.º 1
0
func (ms *ManaSource) Draw(zoom float64, dx float64, dy float64) {
	if ms.local.nodeTextureData == nil {
		//		gl.Enable(gl.TEXTURE_2D)
		ms.local.nodeTextureData = make([]byte, ms.options.NumNodeRows*ms.options.NumNodeCols*3)
		gl.GenTextures(1, &ms.local.nodeTextureId)
		gl.BindTexture(gl.TEXTURE_2D, ms.local.nodeTextureId)
		gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
		gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
		gl.TexImage2D(
			gl.TEXTURE_2D,
			0,
			gl.RGB,
			gl.Sizei(ms.options.NumNodeRows),
			gl.Sizei(ms.options.NumNodeCols),
			0,
			gl.RGB,
			gl.UNSIGNED_BYTE,
			gl.Pointer(&ms.local.nodeTextureData[0]))
	}
	for i := range ms.rawNodes {
		for c := 0; c < 3; c++ {
			color_frac := ms.rawNodes[i].Mana[c] * 1.0 / ms.options.NodeMagnitude
			color_range := float64(ms.options.MaxNodeBrightness - ms.options.MinNodeBrightness)
			ms.local.nodeTextureData[i*3+c] = byte(
				color_frac*color_range + float64(ms.options.MinNodeBrightness))
		}
	}
	gl.Enable(gl.TEXTURE_2D)
	//gl.ActiveTexture(gl.TEXTURE0)
	gl.BindTexture(gl.TEXTURE_2D, ms.local.nodeTextureId)
	gl.TexSubImage2D(
		gl.TEXTURE_2D,
		0,
		0,
		0,
		gl.Sizei(ms.options.NumNodeRows),
		gl.Sizei(ms.options.NumNodeCols),
		gl.RGB,
		gl.UNSIGNED_BYTE,
		gl.Pointer(&ms.local.nodeTextureData[0]))

	base.EnableShader("nodes")
	base.SetUniformI("nodes", "width", ms.options.NumNodeRows*3)
	base.SetUniformI("nodes", "height", ms.options.NumNodeCols*3)
	base.SetUniformI("nodes", "drains", 1)
	base.SetUniformI("nodes", "tex0", 0)
	base.SetUniformI("nodes", "tex1", 1)
	base.SetUniformF("nodes", "zoom", float32(zoom))
	gl.ActiveTexture(gl.TEXTURE0)
	gl.BindTexture(gl.TEXTURE_2D, ms.local.nodeTextureId)

	// I have no idea why this value for move works, but it does.  So, hooray.
	move := (dx - dy) / 2
	texture.RenderAdvanced(move, -move, dy, dx, 3.1415926535/2, true)
	base.EnableShader("")
	gl.Disable(gl.TEXTURE_2D)
}
Exemplo n.º 2
0
func (cp *ControlPoint) Draw(g *Game) {
	base.EnableShader("status_bar")
	base.SetUniformF("status_bar", "inner", 0.0)
	base.SetUniformF("status_bar", "outer", 0.5)
	base.SetUniformF("status_bar", "buffer", 0.01)
	base.SetUniformF("status_bar", "frac", 1.0)
	gl.Color4ub(50, 50, 50, 50)
	texture.Render(
		cp.Position.X-cp.Radius,
		cp.Position.Y-cp.Radius,
		2*cp.Radius,
		2*cp.Radius)

	enemyColor := []gl.Ubyte{255, 0, 0, 100}
	allyColor := []gl.Ubyte{0, 255, 0, 100}
	neutralColor := []gl.Ubyte{100, 100, 100, 100}
	var rgba []gl.Ubyte
	if cp.Controlled {
		if g.local.Side == cp.Controller {
			rgba = allyColor
		} else {
			rgba = enemyColor
		}
	} else {
		rgba = neutralColor
	}

	// The texture is flipped if this is being drawn for the controlling side.
	// This makes it look a little nicer when someone neutralizes a control point
	// because it makes the angle of the pie slice thingy continue going in the
	// same direction as it passes the neutralization point.
	gl.Color4ub(rgba[0], rgba[1], rgba[2], rgba[3])
	base.SetUniformF("status_bar", "frac", float32(cp.Control))
	texture.RenderAdvanced(
		cp.Position.X-cp.Radius,
		cp.Position.Y-cp.Radius,
		2*cp.Radius,
		2*cp.Radius,
		0,
		g.local.Side == cp.Controller)

	base.SetUniformF("status_bar", "inner", 0.45)
	base.SetUniformF("status_bar", "outer", 0.5)
	base.SetUniformF("status_bar", "frac", 1)
	gl.Color4ub(rgba[0], rgba[1], rgba[2], 255)
	texture.RenderAdvanced(
		cp.Position.X-cp.Radius,
		cp.Position.Y-cp.Radius,
		2*cp.Radius,
		2*cp.Radius,
		0,
		g.local.Side == cp.Controller)

	if !cp.Controlled {
		base.SetUniformF("status_bar", "frac", float32(cp.Control))
		if g.local.Side == cp.Controller {
			gl.Color4ub(allyColor[0], allyColor[1], allyColor[2], 255)
		} else {
			gl.Color4ub(enemyColor[0], enemyColor[1], enemyColor[2], 255)
		}
		texture.RenderAdvanced(
			cp.Position.X-cp.Radius,
			cp.Position.Y-cp.Radius,
			2*cp.Radius,
			2*cp.Radius,
			0,
			g.local.Side == cp.Controller)
	}

	base.EnableShader("")
}