func (gw *GameWindow) Draw(region gui.Region, style gui.StyleStack) {
defer base.StackCatcher()
defer func() {
// gl.Translated(gl.Double(gw.region.X), gl.Double(gw.region.Y), 0)
gl.Disable(gl.TEXTURE_2D)
gl.Color4ub(255, 255, 255, 255)
gl.LineWidth(3)
gl.Begin(gl.LINES)
bx, by := gl.Int(region.X), gl.Int(region.Y)
bdx, bdy := gl.Int(region.Dx), gl.Int(region.Dy)
gl.Vertex2i(bx, by)
gl.Vertex2i(bx, by+bdy)
gl.Vertex2i(bx, by+bdy)
gl.Vertex2i(bx+bdx, by+bdy)
gl.Vertex2i(bx+bdx, by+bdy)
gl.Vertex2i(bx+bdx, by)
gl.Vertex2i(bx+bdx, by)
gl.Vertex2i(bx, by)
gl.End()
gl.LineWidth(1)
}()
gw.Engine.Pause()
game := gw.Engine.GetState().(*Game)
game.RenderLocal(region, gw.Local)
gw.Engine.Unpause()
}
func (gw *GameWindow) Draw(region g2.Region, style g2.StyleStack) {
defer base.StackCatcher()
defer func() {
// gl.Translated(gl.Double(gw.region.X), gl.Double(gw.region.Y), 0)
gl.Disable(gl.TEXTURE_2D)
gl.Color4ub(255, 255, 255, 255)
gl.LineWidth(3)
gl.Begin(gl.LINES)
bx, by := gl.Int(region.X), gl.Int(region.Y)
bdx, bdy := gl.Int(region.Dx), gl.Int(region.Dy)
gl.Vertex2i(bx, by)
gl.Vertex2i(bx, by+bdy)
gl.Vertex2i(bx, by+bdy)
gl.Vertex2i(bx+bdx, by+bdy)
gl.Vertex2i(bx+bdx, by+bdy)
gl.Vertex2i(bx+bdx, by)
gl.Vertex2i(bx+bdx, by)
gl.Vertex2i(bx, by)
gl.End()
gl.LineWidth(1)
}()
gw.Engine.Pause()
game := gw.Engine.GetState().(*Game)
// Note that since we do a READER lock on game.local we cannot do any writes
// to local data while rendering.
game.local.RLock()
game.RenderLocal(region)
game.local.RUnlock()
gw.Engine.Unpause()
}
func (vb *VertexBuffer) Render(position Point3) {
gl.PushMatrix()
gl.Translated(
gl.Double(position.X),
gl.Double(position.Y),
gl.Double(position.Z))
gl.VertexPointer(
gl.Int(3),
gl.DOUBLE,
0,
gl.Pointer(&vb.VertexData[0]))
gl.ColorPointer(
gl.Int(4),
gl.DOUBLE,
0,
gl.Pointer(&vb.ColorData[0]))
gl.TexCoordPointer(
gl.Int(2),
gl.DOUBLE,
0,
gl.Pointer(&vb.TexCoordData[0]))
for i := range vb.RenderSteps {
rs := &vb.RenderSteps[i]
gl.DrawElements(
rs.Mode,
gl.Sizei(len(rs.Indices)),
gl.UNSIGNED_INT,
gl.Pointer(&rs.Indices[0]))
}
gl.PopMatrix()
}
func (tsm *ThunderSubMenu) Draw(region Region, style StyleStack) {
gl.Disable(gl.TEXTURE_2D)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Enable(gl.BLEND)
base.EnableShader("marble")
offset, ok := style.Get("offset").(linear.Vec2)
if ok {
base.SetUniformV2("marble", "offset", offset)
} else {
base.SetUniformV2("marble", "offset", linear.Vec2{})
}
gl.Color4ub(255, 255, 255, 255)
gl.Begin(gl.QUADS)
x := gl.Int(region.X)
y := gl.Int(region.Y)
dx := gl.Int(region.Dx)
dy := gl.Int(region.Dy)
gl.Vertex2i(x, y)
gl.Vertex2i(x, y+dy)
gl.Vertex2i(x+dx, y+dy)
gl.Vertex2i(x+dx, y)
gl.End()
base.EnableShader("")
for i, option := range tsm.Options {
region.Dy = tsm.requests[option].Dy
if i == tsm.selected {
style.PushStyle(map[string]interface{}{"selected": true})
} else {
style.PushStyle(map[string]interface{}{"selected": false})
}
option.Draw(region, style)
style.Pop()
region.Y += tsm.requests[option].Dy
}
}
func (g *Game) RenderLocalEditor(region g2.Region) {
g.editor.Lock()
defer g.editor.Unlock()
g.editor.region = region
g.editor.camera.regionDims = linear.Vec2{float64(region.Dims.Dx), float64(region.Dims.Dy)}
levelDims := linear.Vec2{float64(g.Level.Room.Dx), float64(g.Level.Room.Dy)}
g.editor.camera.StandardRegion(levelDims.Scale(0.5), levelDims)
g.editor.camera.approachTarget()
gl.MatrixMode(gl.PROJECTION)
gl.PushMatrix()
gl.LoadIdentity()
defer gl.PopMatrix()
gl.PushAttrib(gl.VIEWPORT_BIT)
gl.Viewport(gl.Int(region.X), gl.Int(region.Y), gl.Sizei(region.Dx), gl.Sizei(region.Dy))
defer gl.PopAttrib()
current := &g.editor.camera.current
gl.Ortho(
gl.Double(current.mid.X-current.dims.X/2),
gl.Double(current.mid.X+current.dims.X/2),
gl.Double(current.mid.Y+current.dims.Y/2),
gl.Double(current.mid.Y-current.dims.Y/2),
gl.Double(1000),
gl.Double(-1000),
)
defer func() {
gl.MatrixMode(gl.PROJECTION)
gl.PopMatrix()
gl.MatrixMode(gl.MODELVIEW)
}()
gl.MatrixMode(gl.MODELVIEW)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
g.renderWalls()
g.renderEdges()
g.renderBases()
g.renderEntsAndAbilities()
g.renderProcesses()
g.editor.renderPathing(&g.Level.Room, g.local.pathingData)
switch g.editor.action {
case editorActionNone:
case editorActionPlaceBlock:
g.editor.renderPlaceBlock(g)
default:
base.Error().Printf("Unexpected editorAction: %v", g.editor.action)
}
}
// SetVariable4i sets a specified variable to the four supplied integers to be
// passed into an effect.
func (effect *Effect) SetVariable4i(variable string, val1 int, val2 int, val3 int, val4 int) error {
var currEffect gl.Int
gl.GetIntegerv(gl.CURRENT_PROGRAM, &currEffect)
if gl.Uint(currEffect) != effect.program {
return errors.New("effect is not currently in use")
}
effect.checkUniformVariable(variable)
gl.Uniform4i(effect.uniforms[variable], gl.Int(val1), gl.Int(val2), gl.Int(val3), gl.Int(val4))
return nil
}
func shinit() gl.Int {
vs := loadShader(gl.VERTEX_SHADER, vss)
var sfs string
if *blend {
sfs = bfss
} else {
sfs = fss
}
fs := loadShader(gl.FRAGMENT_SHADER, sfs)
prg := gl.CreateProgram()
gl.AttachShader(prg, vs)
gl.AttachShader(prg, fs)
gl.LinkProgram(prg)
var l int
if *blend {
l = 6
} else {
l = 3
}
gl.UseProgram(prg)
names := []string{"yt1", "cbt1", "crt1", "yt0", "cbt0", "crt0"}
for i := 0; i < l; i++ {
loc := gl.GetUniformLocation(prg, gl.GLString(names[i]))
gl.Uniform1i(loc, gl.Int(i))
}
return gl.GetUniformLocation(prg, gl.GLString("factor"))
}
func (c *Console) DrawFocused(region gui.Region) {
gl.Color4d(0.2, 0, 0.3, 0.8)
gl.Disable(gl.TEXTURE_2D)
gl.Begin(gl.QUADS)
{
x := gl.Int(region.X)
y := gl.Int(region.Y)
x2 := gl.Int(region.X + region.Dx)
y2 := gl.Int(region.Y + region.Dy)
gl.Vertex2i(x, y)
gl.Vertex2i(x, y2)
gl.Vertex2i(x2, y2)
gl.Vertex2i(x2, y)
}
gl.End()
gl.Color4d(1, 1, 1, 1)
y := float64(region.Y) + float64(len(c.lines))*lineHeight
do_color := func(line string) {
if strings.HasPrefix(line, "LOG") {
gl.Color4d(1, 1, 1, 1)
}
if strings.HasPrefix(line, "WARN") {
gl.Color4d(1, 1, 0, 1)
}
if strings.HasPrefix(line, "ERROR") {
gl.Color4d(1, 0, 0, 1)
}
}
if c.start > c.end {
for i := c.start; i < len(c.lines); i++ {
do_color(c.lines[i])
c.dict.RenderString(c.lines[i], c.xscroll, y, 0, lineHeight, gui.Left)
y -= lineHeight
}
for i := 0; i < c.end; i++ {
do_color(c.lines[i])
c.dict.RenderString(c.lines[i], c.xscroll, y, 0, lineHeight, gui.Left)
y -= lineHeight
}
} else {
for i := c.start; i < c.end && i < len(c.lines); i++ {
do_color(c.lines[i])
c.dict.RenderString(c.lines[i], c.xscroll, y, 0, lineHeight, gui.Left)
y -= lineHeight
}
}
}
func (p *PosWidget) Draw(region Region, style StyleStack) {
gl.Disable(gl.TEXTURE_2D)
gl.Color4ub(0, 255, 0, 255)
gl.Begin(gl.QUADS)
x := gl.Int(region.X)
y := gl.Int(region.Y)
dx := gl.Int(base.GetDictionary("luxisr").StringWidth(p.text, float64(p.Size)))
dy := gl.Int(p.Size)
gl.Vertex2i(x, y)
gl.Vertex2i(x, y+dy)
gl.Vertex2i(x+dx, y+dy)
gl.Vertex2i(x+dx, y)
gl.End()
base.Log().Printf("%v %v %v %v", x, y, dx, dy)
gl.Color4ub(255, 0, 255, 255)
base.GetDictionary("luxisr").RenderString(p.text, float64(region.X), float64(region.Y), 0, float64(p.Size), gui.Left)
}
func upload(id gl.Uint, data []byte, stride int, w int, h int) {
gl.BindTexture(gl.TEXTURE_2D, id)
gl.PixelStorei(gl.UNPACK_ROW_LENGTH, gl.Int(stride))
gl.PixelStorei(gl.UNPACK_ALIGNMENT, 1)
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.LUMINANCE,
gl.Sizei(w), gl.Sizei(h), 0,
gl.LUMINANCE, gl.UNSIGNED_BYTE, gl.Pointer(&data[0]))
}
func (g *Game) renderLosMask(local *LocalData) {
ent := g.Ents[local.moba.currentPlayer.gid]
if ent == nil {
return
}
walls := g.temp.VisibleWallCache[GidInvadersStart].GetWalls(int(ent.Pos().X), int(ent.Pos().Y))
gl.Disable(gl.TEXTURE_2D)
gl.Color4ub(0, 0, 0, 255)
gl.Begin(gl.TRIANGLES)
for _, wall := range walls {
if wall.Right(ent.Pos()) {
continue
}
a := wall.P
b := ent.Pos().Sub(wall.P).Norm().Scale(-10000.0).Add(wall.P)
mid := wall.P.Add(wall.Q).Scale(0.5)
c := ent.Pos().Sub(mid).Norm().Scale(-10000.0).Add(mid)
d := ent.Pos().Sub(wall.Q).Norm().Scale(-10000.0).Add(wall.Q)
e := wall.Q
gl.Vertex2d(gl.Double(a.X), gl.Double(a.Y))
gl.Vertex2d(gl.Double(b.X), gl.Double(b.Y))
gl.Vertex2d(gl.Double(c.X), gl.Double(c.Y))
gl.Vertex2d(gl.Double(a.X), gl.Double(a.Y))
gl.Vertex2d(gl.Double(c.X), gl.Double(c.Y))
gl.Vertex2d(gl.Double(d.X), gl.Double(d.Y))
gl.Vertex2d(gl.Double(a.X), gl.Double(a.Y))
gl.Vertex2d(gl.Double(d.X), gl.Double(d.Y))
gl.Vertex2d(gl.Double(e.X), gl.Double(e.Y))
}
gl.End()
base.EnableShader("horizon")
base.SetUniformV2("horizon", "center", ent.Pos())
base.SetUniformF("horizon", "horizon", LosMaxDist)
gl.Begin(gl.QUADS)
dx := gl.Int(g.Levels[GidInvadersStart].Room.Dx)
dy := gl.Int(g.Levels[GidInvadersStart].Room.Dy)
gl.Vertex2i(0, 0)
gl.Vertex2i(dx, 0)
gl.Vertex2i(dx, dy)
gl.Vertex2i(0, dy)
gl.End()
base.EnableShader("")
}
func (g *Game) RenderLocalGame(region g2.Region) {
g.local.Camera.regionDims = linear.Vec2{float64(region.Dims.Dx), float64(region.Dims.Dy)}
// func (g *Game) renderLocalHelper(region g2.Region, local *LocalData, camera *cameraInfo, side int) {
g.local.Camera.FocusRegion(g, 0)
gl.MatrixMode(gl.PROJECTION)
gl.PushMatrix()
gl.LoadIdentity()
// Set the viewport so that we only render into the region that we're supposed
// to render to.
// TODO: Check if this works on all graphics cards - I've heard that the opengl
// spec doesn't actually require that viewport does any clipping.
gl.PushAttrib(gl.VIEWPORT_BIT)
gl.Viewport(gl.Int(region.X), gl.Int(region.Y), gl.Sizei(region.Dx), gl.Sizei(region.Dy))
defer gl.PopAttrib()
current := &g.local.Camera.current
gl.Ortho(
gl.Double(current.mid.X-current.dims.X/2),
gl.Double(current.mid.X+current.dims.X/2),
gl.Double(current.mid.Y+current.dims.Y/2),
gl.Double(current.mid.Y-current.dims.Y/2),
gl.Double(1000),
gl.Double(-1000),
)
defer func() {
gl.MatrixMode(gl.PROJECTION)
gl.PopMatrix()
gl.MatrixMode(gl.MODELVIEW)
}()
gl.MatrixMode(gl.MODELVIEW)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
level := g.Level
zoom := current.dims.X / float64(region.Dims.Dx)
level.ManaSource.Draw(zoom, float64(level.Room.Dx), float64(level.Room.Dy))
g.renderWalls()
g.renderEdges()
g.renderBases()
g.renderEntsAndAbilities()
g.renderProcesses()
g.RenderLosMask()
}
func SetUniformI(shader, variable string, n int) error {
prog, ok := shader_progs[shader]
if !ok {
return shaderError(fmt.Sprintf("Tried to set a uniform in an unknown shader '%s'", shader))
}
bvariable := []byte(fmt.Sprintf("%s\x00", variable))
loc := gl.GetUniformLocation(prog, (*gl.Char)(unsafe.Pointer(&bvariable[0])))
gl.Uniform1i(loc, gl.Int(n))
return nil
}
func (b *Box) Draw(region Region, style StyleStack) {
b.Last = region
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Disable(gl.TEXTURE_2D)
if b.Hover {
gl.Color4ub(gl.Ubyte(b.Color[0]), gl.Ubyte(b.Color[1]), gl.Ubyte(b.Color[2]), gl.Ubyte(b.Color[3]))
} else {
gl.Color4ub(gl.Ubyte(b.Color[0]), gl.Ubyte(b.Color[1]), gl.Ubyte(b.Color[2]), gl.Ubyte(b.Color[3])/2)
}
gl.Begin(gl.QUADS)
x := gl.Int(region.X)
y := gl.Int(region.Y)
dx := gl.Int(region.Dx)
dy := gl.Int(region.Dy)
gl.Vertex2i(x, y)
gl.Vertex2i(x+dx, y)
gl.Vertex2i(x+dx, y+dy)
gl.Vertex2i(x, y+dy)
gl.End()
}
func SetUniformI(shader, variable string, n int) {
prog, ok := shader_progs[shader]
if !ok {
if !warned_names[shader] {
Warn().Printf("Tried to set a uniform in an unknown shader '%s'", shader)
warned_names[shader] = true
}
return
}
bvariable := []byte(fmt.Sprintf("%s\x00", variable))
loc := gl.GetUniformLocation(prog, (*gl.Char)(unsafe.Pointer(&bvariable[0])))
gl.Uniform1i(loc, gl.Int(n))
}
func RegisterShader(name string, vertex, fragment []byte) error {
if _, ok := shader_progs[name]; ok {
return shaderError(fmt.Sprintf("Tried to register a shader called '%s' twice", name))
}
vertex_id := gl.CreateShader(gl.VERTEX_SHADER)
pointer := &vertex[0]
length := gl.Int(len(vertex))
gl.ShaderSource(vertex_id, 1, (**gl.Char)(unsafe.Pointer(&pointer)), &length)
gl.CompileShader(vertex_id)
var param gl.Int
gl.GetShaderiv(vertex_id, gl.COMPILE_STATUS, ¶m)
if param == 0 {
return shaderError(fmt.Sprintf("Failed to compile vertex shader '%s': %v", name, param))
}
fragment_id := gl.CreateShader(gl.FRAGMENT_SHADER)
pointer = &fragment[0]
length = gl.Int(len(fragment))
gl.ShaderSource(fragment_id, 1, (**gl.Char)(unsafe.Pointer(&pointer)), &length)
gl.CompileShader(fragment_id)
gl.GetShaderiv(fragment_id, gl.COMPILE_STATUS, ¶m)
if param == 0 {
return shaderError(fmt.Sprintf("Failed to compile fragment shader '%s': %v", name, param))
}
// shader successfully compiled - now link
program_id := gl.CreateProgram()
gl.AttachShader(program_id, vertex_id)
gl.AttachShader(program_id, fragment_id)
gl.LinkProgram(program_id)
gl.GetProgramiv(program_id, gl.LINK_STATUS, ¶m)
if param == 0 {
return shaderError(fmt.Sprintf("Failed to link shader '%s': %v", name, param))
}
shader_progs[name] = program_id
return nil
}
func (c *Console) Draw(x, y, dx, dy int) {
if !gin.In().GetKeyFlat(gin.EitherShift, gin.DeviceTypeAny, gin.DeviceIndexAny).IsDown() {
return
}
c.tail.GetLines(c.lines)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Color4d(0.2, 0, 0.3, 0.8)
gl.Disable(gl.TEXTURE_2D)
gl.Begin(gl.QUADS)
{
glx := gl.Int(x)
gly := gl.Int(y)
glx2 := gl.Int(x + dx)
gly2 := gl.Int(y + dy)
gl.Vertex2i(glx, gly)
gl.Vertex2i(glx, gly2)
gl.Vertex2i(glx2, gly2)
gl.Vertex2i(glx2, gly)
}
gl.End()
gui.SetFontColor(1, 1, 1, 1)
startY := float64(y + dy - len(c.lines)*lineHeight)
for i, line := range c.lines {
switch {
case strings.HasPrefix(line, "LOG"):
gui.SetFontColor(1, 1, 1, 1)
case strings.HasPrefix(line, "WARN"):
gui.SetFontColor(1, 1, 0, 1)
case strings.HasPrefix(line, "ERROR"):
gui.SetFontColor(1, 0, 0, 1)
default:
gui.SetFontColor(1, 1, 1, 0.7)
}
c.dict.RenderString(line, float64(x), startY+float64(i*lineHeight), 0, lineHeight, gui.Left)
}
}
func (c *Console) Draw(region Region, stlye StyleStack) {
if !c.visible {
return
}
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Color4d(0.2, 0, 0.3, 0.8)
gl.Disable(gl.TEXTURE_2D)
gl.Begin(gl.QUADS)
{
x := gl.Int(region.X)
y := gl.Int(region.Y)
x2 := gl.Int(region.X + region.Dx)
y2 := gl.Int(region.Y + region.Dy)
gl.Vertex2i(x, y)
gl.Vertex2i(x, y2)
gl.Vertex2i(x2, y2)
gl.Vertex2i(x2, y)
}
gl.End()
gui.SetFontColor(1, 1, 1, 1)
startY := float64(region.Y + region.Dy - len(c.lines)*lineHeight)
for i, line := range c.lines {
switch {
case strings.HasPrefix(line, "LOG"):
gui.SetFontColor(1, 1, 1, 1)
case strings.HasPrefix(line, "WARN"):
gui.SetFontColor(1, 1, 0, 1)
case strings.HasPrefix(line, "ERROR"):
gui.SetFontColor(1, 0, 0, 1)
default:
gui.SetFontColor(1, 1, 1, 0.7)
}
c.dict.RenderString(line, float64(region.X), startY+float64(i*lineHeight), 0, lineHeight, gui.Left)
}
}
func drawQuad(x, y, w, h int, u, v, u2, v2 float32) {
gl.Begin(gl.QUADS)
gl.TexCoord2f(gl.Float(u), gl.Float(v))
gl.Vertex2i(gl.Int(x), gl.Int(y))
gl.TexCoord2f(gl.Float(u2), gl.Float(v))
gl.Vertex2i(gl.Int(x+w), gl.Int(y))
gl.TexCoord2f(gl.Float(u2), gl.Float(v2))
gl.Vertex2i(gl.Int(x+w), gl.Int(y+h))
gl.TexCoord2f(gl.Float(u), gl.Float(v2))
gl.Vertex2i(gl.Int(x), gl.Int(y+h))
gl.End()
}
func makeBallVertexBuffer() VertexBuffer {
vb := VertexBuffer{}
points := []Point3{}
colors := []Color{}
texCoords := [][2]float64{}
indices := []gl.Int{}
for i := 0; i < 20; i++ {
theta := (2 * math.Pi) * (float64(i) / 20.0)
points = append(points, Point3{
Config.BallRadius * math.Cos(theta),
Config.BallRadius * math.Sin(theta), 0})
colors = append(colors, Black)
texCoords = append(texCoords, [2]float64{0, 0})
indices = append(indices, gl.Int(i))
}
vb.InitVertexData(points, colors, texCoords)
renderStep := VertexBufferRenderStep{gl.LINE_LOOP, indices}
vb.RenderSteps = []VertexBufferRenderStep{renderStep}
return vb
}
func MakeLevelVertexBuffer(lb *LevelBlueprint) *VertexBuffer {
vb := VertexBuffer{}
points := []Point3{}
colors := []Color{}
texCoords := [][2]float64{}
for wi := range lb.Walls {
indices := []gl.Int{}
for vi := range lb.Walls[wi].Vertices {
points = append(
points, lb.Walls[wi].Vertices[vi].Position)
colors = append(colors, lb.Walls[wi].Vertices[vi].Color)
texCoords = append(
texCoords,
[2]float64{lb.Walls[wi].Vertices[vi].Tu, lb.Walls[wi].Vertices[vi].Tv})
indices = append(indices, gl.Int(len(points)-1))
}
renderStep := VertexBufferRenderStep{gl.TRIANGLE_FAN, indices}
vb.RenderSteps = append(vb.RenderSteps, renderStep)
}
vb.InitVertexData(points, colors, texCoords)
return &vb
}
func main() {
runtime.LockOSThread()
flag.Parse()
if *workers <= 0 {
*workers = 1
}
runtime.GOMAXPROCS(*workers + 1)
buildPalette()
sdl.Init(sdl.INIT_VIDEO)
defer sdl.Quit()
if !*noVSync {
sdl.GL_SetAttribute(sdl.GL_SWAP_CONTROL, 1)
}
if sdl.SetVideoMode(512, 512, 32, sdl.OPENGL) == nil {
panic("sdl error")
}
sdl.WM_SetCaption("Gomandel", "Gomandel")
if err := gl.Init(); err != nil {
panic(err)
}
gl.Enable(gl.TEXTURE_2D)
gl.Viewport(0, 0, 512, 512)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, 512, 512, 0, -1, 1)
gl.ClearColor(0, 0, 0, 0)
//-----------------------------------------------------------------------------
var dndDragging bool = false
var dnd3 bool = false
var dndStart Point
var dndEnd Point
initialRect := Rect{-1.5, -1.5, 3, 3}
rect := initialRect
tm := NewTileManager(512, 512)
tm.ZoomRequest(&rect)
running := true
for running {
for {
var event interface{}
select {
case event = <-sdl.Events:
default:
}
if event == nil {
break
}
switch e := event.(type) {
case sdl.QuitEvent:
running = false
case sdl.MouseButtonEvent:
if e.Type == sdl.MOUSEBUTTONDOWN {
dndDragging = true
dndStart.X = gl.Int(e.X)
dndStart.Y = gl.Int(e.Y)
dndEnd = dndStart
if e.Button == 3 {
dnd3 = true
} else {
dndDragging = true
}
} else {
dndDragging = false
dndEnd.X = gl.Int(e.X)
dndEnd.Y = gl.Int(e.Y)
switch e.Button {
case 1:
rect = rectFromSelection(dndStart, dndEnd, 512, 512, rect)
tm.ZoomRequest(&rect)
case 2:
rect = initialRect
tm.ZoomRequest(&rect)
case 3:
dnd3 = false
}
}
case sdl.MouseMotionEvent:
if dnd3 {
dndEnd.X = gl.Int(e.X)
dndEnd.Y = gl.Int(e.Y)
rect = moveRectBy(rect, dndStart, dndEnd, 512, 512)
tm.MoveRequest(rect)
dndStart = dndEnd
} else if dndDragging {
dndEnd.X = gl.Int(e.X)
dndEnd.Y = gl.Int(e.Y)
}
}
}
tm.Update()
gl.Clear(gl.COLOR_BUFFER_BIT)
tm.Draw()
gl.BindTexture(gl.TEXTURE_2D, 0)
if dndDragging {
drawSelection(dndStart, dndEnd)
}
sdl.GL_SwapBuffers()
}
}
// For invaders or moba, does a lot of basic stuff common to both
func (g *Game) renderLocalHelper(region g2.Region, local *LocalData, camera *cameraInfo, side int) {
camera.doInvadersFocusRegion(g, side)
gl.MatrixMode(gl.PROJECTION)
gl.PushMatrix()
gl.LoadIdentity()
// Set the viewport so that we only render into the region that we're supposed
// to render to.
// TODO: Check if this works on all graphics cards - I've heard that the opengl
// spec doesn't actually require that viewport does any clipping.
gl.PushAttrib(gl.VIEWPORT_BIT)
gl.Viewport(gl.Int(region.X), gl.Int(region.Y), gl.Sizei(region.Dx), gl.Sizei(region.Dy))
defer gl.PopAttrib()
current := camera.current
gl.Ortho(
gl.Double(current.mid.X-current.dims.X/2),
gl.Double(current.mid.X+current.dims.X/2),
gl.Double(current.mid.Y+current.dims.Y/2),
gl.Double(current.mid.Y-current.dims.Y/2),
gl.Double(1000),
gl.Double(-1000),
)
defer func() {
gl.MatrixMode(gl.PROJECTION)
gl.PopMatrix()
gl.MatrixMode(gl.MODELVIEW)
}()
gl.MatrixMode(gl.MODELVIEW)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
level := g.Levels[GidInvadersStart]
zoom := camera.current.dims.X / float64(region.Dims.Dx)
level.ManaSource.Draw(local, zoom, float64(level.Room.Dx), float64(level.Room.Dy))
gl.Color4d(1, 1, 1, 1)
var expandedPoly linear.Poly
for _, poly := range g.Levels[GidInvadersStart].Room.Walls {
// Don't draw counter-clockwise polys, specifically this means don't draw
// the boundary of the level.
if poly.IsCounterClockwise() {
continue
}
// KLUDGE: This will expand the polygon slightly so that it actually shows
// up when the los shadows are drawn over it. Eventually there should be
// separate los polys, colision polys, and draw polys so that this isn't
// necessary.
gl.Begin(gl.TRIANGLE_FAN)
expandPoly(poly, &expandedPoly)
for _, v := range expandedPoly {
gl.Vertex2d(gl.Double(v.X), gl.Double(v.Y))
}
gl.End()
}
gui.SetFontColor(0, 255, 0, 255)
for side, pos := range g.Levels[GidInvadersStart].Room.Starts {
base.GetDictionary("luxisr").RenderString(fmt.Sprintf("S%d", side), pos.X, pos.Y, 0, 100, gui.Center)
}
gl.Color4d(1, 1, 1, 1)
for _, ent := range g.temp.AllEnts {
ent.Draw(g, side)
}
gl.Disable(gl.TEXTURE_2D)
if local.mode != LocalModeMoba {
panic("Need to implement drawing players from standard mode data")
}
for i := range local.moba.players {
p := &local.moba.players[i]
if p.abs.activeAbility != nil {
p.abs.activeAbility.Draw(p.gid, g, side)
}
}
for _, proc := range g.Processes {
proc.Draw(Gid(""), g, side)
}
gl.Color4ub(0, 0, 255, 200)
g.renderLosMask(local)
}
func InitShaders() {
render.Queue(func() {
vertex_shaders = make(map[string]gl.Uint)
fragment_shaders = make(map[string]gl.Uint)
shader_progs = make(map[string]gl.Uint)
warned_names = make(map[string]bool)
RemoveRegistry("shaders")
RegisterRegistry("shaders", make(map[string]*shaderDef))
RegisterAllObjectsInDir("shaders", filepath.Join(GetDataDir(), "shaders"), ".json", "json")
names := GetAllNamesInRegistry("shaders")
for _, name := range names {
// Load the shader files
shader := Shader{Defname: name}
GetObject("shaders", &shader)
vdata, err := ioutil.ReadFile(filepath.Join(GetDataDir(), shader.Vertex_path))
if err != nil {
Error().Printf("Unable to load vertex shader '%s': %v", shader.Vertex_path, err)
continue
}
fdata, err := ioutil.ReadFile(filepath.Join(GetDataDir(), shader.Fragment_path))
if err != nil {
Error().Printf("Unable to load fragment shader '%s': %v", shader.Fragment_path, err)
continue
}
// Create the vertex shader
vertex_id, ok := vertex_shaders[shader.Vertex_path]
if !ok {
vertex_id = gl.CreateShader(gl.VERTEX_SHADER)
pointer := &vdata[0]
length := gl.Int(len(vdata))
gl.ShaderSource(vertex_id, 1, (**gl.Char)(unsafe.Pointer(&pointer)), &length)
gl.CompileShader(vertex_id)
var param gl.Int
gl.GetShaderiv(vertex_id, gl.COMPILE_STATUS, ¶m)
if param == 0 {
Error().Printf("Failed to compile vertex shader '%s': %v", shader.Vertex_path, param)
continue
}
}
// Create the fragment shader
fragment_id, ok := fragment_shaders[shader.Fragment_path]
if !ok {
fragment_id = gl.CreateShader(gl.FRAGMENT_SHADER)
pointer := &fdata[0]
length := gl.Int(len(fdata))
gl.ShaderSource(fragment_id, 1, (**gl.Char)(unsafe.Pointer(&pointer)), &length)
gl.CompileShader(fragment_id)
var param gl.Int
gl.GetShaderiv(fragment_id, gl.COMPILE_STATUS, ¶m)
if param == 0 {
Error().Printf("Failed to compile fragment shader '%s': %v", shader.Fragment_path, param)
continue
}
}
// shader successfully compiled - now link
program_id := gl.CreateProgram()
gl.AttachShader(program_id, vertex_id)
gl.AttachShader(program_id, fragment_id)
gl.LinkProgram(program_id)
var param gl.Int
gl.GetProgramiv(program_id, gl.LINK_STATUS, ¶m)
if param == 0 {
Error().Printf("Failed to link shader '%s': %v", shader.Name, param)
continue
}
vertex_shaders[shader.Vertex_path] = vertex_id
fragment_shaders[shader.Fragment_path] = fragment_id
shader_progs[shader.Name] = program_id
}
})
}
func (g *Game) renderLocalArchitect(region g2.Region, local *LocalData) {
local.architect.camera.doArchitectFocusRegion(g, local.sys)
gl.MatrixMode(gl.PROJECTION)
gl.PushMatrix()
gl.LoadIdentity()
// Set the viewport so that we only render into the region that we're supposed
// to render to.
// TODO: Check if this works on all graphics cards - I've heard that the opengl
// spec doesn't actually require that viewport does any clipping.
gl.PushAttrib(gl.VIEWPORT_BIT)
gl.Viewport(gl.Int(region.X), gl.Int(region.Y), gl.Sizei(region.Dx), gl.Sizei(region.Dy))
defer gl.PopAttrib()
current := local.architect.camera.current
gl.Ortho(
gl.Double(current.mid.X-current.dims.X/2),
gl.Double(current.mid.X+current.dims.X/2),
gl.Double(current.mid.Y+current.dims.Y/2),
gl.Double(current.mid.Y-current.dims.Y/2),
gl.Double(1000),
gl.Double(-1000),
)
defer func() {
gl.MatrixMode(gl.PROJECTION)
gl.PopMatrix()
gl.MatrixMode(gl.MODELVIEW)
}()
gl.MatrixMode(gl.MODELVIEW)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
zoom := local.architect.camera.current.dims.X / float64(region.Dims.Dx)
level := g.Levels[GidInvadersStart]
level.ManaSource.Draw(local, zoom, float64(level.Room.Dx), float64(level.Room.Dy))
gl.Begin(gl.LINES)
gl.Color4d(1, 1, 1, 1)
for _, poly := range g.Levels[GidInvadersStart].Room.Walls {
for i := range poly {
seg := poly.Seg(i)
gl.Vertex2d(gl.Double(seg.P.X), gl.Double(seg.P.Y))
gl.Vertex2d(gl.Double(seg.Q.X), gl.Double(seg.Q.Y))
}
}
gl.End()
gl.Color4ub(0, 255, 0, 255)
for side, pos := range g.Levels[GidInvadersStart].Room.Starts {
base.GetDictionary("luxisr").RenderString(fmt.Sprintf("S%d", side), pos.X, pos.Y, 0, 100, gui.Center)
}
gl.Color4d(1, 1, 1, 1)
for _, ent := range g.temp.AllEnts {
ent.Draw(g, -1) // TODO: Side isn't defined for architect yet
}
gl.Disable(gl.TEXTURE_2D)
g.renderLosMask(local)
if local.architect.abs.activeAbility != nil {
local.architect.abs.activeAbility.Draw("", g, -1) // TODO: side not defined for architect
}
}