func (rv *RoomViewer) modelviewToBoard(mx, my float32) (x, y, dist float32) {
mz := d2p(rv.mat, mathgl.Vec3{mx, my, 0}, mathgl.Vec3{0, 0, 1})
// mz := (my - float32(rv.Render_region.Y+rv.Render_region.Dy/2)) * float32(math.Tan(float64(rv.angle*math.Pi/180)))
v := mathgl.Vec4{X: mx, Y: my, Z: mz, W: 1}
v.Transform(&rv.imat)
return v.X, v.Y, mz
}
func (rv *RoomViewer) modelviewToRightWall(mx, my float32) (x, y, dist float32) {
mz := d2p(rv.right_wall_mat, mathgl.Vec3{mx, my, 0}, mathgl.Vec3{0, 0, 1})
v := mathgl.Vec4{X: mx, Y: my, Z: mz, W: 1}
v.Transform(&rv.right_wall_imat)
if v.Y > float32(rv.room.Size.Dy) {
v.Y = float32(rv.room.Size.Dy)
}
return v.X + float32(rv.room.Size.Dx), v.Y, mz
}
func (hv *HouseViewer) boardToModelview(mx, my float32) (x, y, z float32) {
v := mathgl.Vec4{X: mx, Y: my, W: 1}
v.Transform(&hv.floor)
x, y, z = v.X, v.Y, v.Z
return
}
func (hv *HouseViewer) modelviewToBoard(mx, my float32) (x, y, dist float32) {
mz := d2p(hv.floor, mathgl.Vec3{mx, my, 0}, mathgl.Vec3{0, 0, 1})
v := mathgl.Vec4{X: mx, Y: my, Z: mz, W: 1}
v.Transform(&hv.ifloor)
return v.X, v.Y, mz
}
func drawFurniture(roomx, roomy int, mat mathgl.Mat4, zoom float32, furniture []*Furniture, temp_furniture *Furniture, extras []Drawable, cstack base.ColorStack, los_tex *LosTexture, los_alpha float64) {
gl.Enable(gl.TEXTURE_2D)
gl.Color4d(1, 1, 1, los_alpha)
gl.PushMatrix()
gl.LoadIdentity()
board_to_window := func(mx, my float32) (x, y float32) {
v := mathgl.Vec4{X: mx, Y: my, W: 1}
v.Transform(&mat)
x, y = v.X, v.Y
return
}
g_stuff = g_stuff[0:0]
for i := range furniture {
g_stuff = append(g_stuff, furniture[i])
}
if temp_furniture != nil {
g_stuff = append(g_stuff, temp_furniture)
}
for i := range extras {
g_stuff = append(g_stuff, extras[i])
}
g_stuff = OrderRectObjects(g_stuff)
for i := len(g_stuff) - 1; i >= 0; i-- {
f := g_stuff[i]
var near_x, near_y, dx, dy float32
idx, idy := f.Dims()
dx = float32(idx)
dy = float32(idy)
switch d := f.(type) {
case *Furniture:
ix, iy := d.Pos()
near_x = float32(ix)
near_y = float32(iy)
case Drawable:
fx, fy := d.FPos()
near_x = float32(fx)
near_y = float32(fy)
}
vis_tot := 1.0
if los_tex != nil {
vis_tot = 0.0
// If we're looking at a piece of furniture that blocks Los then we
// can't expect to have Los to all of it, so we will check the squares
// around it. Full visibility will mean that half of the surrounding
// cells are visible.
blocks_los := false
// Also need to check if it is an enemy unit
if _, ok := f.(*Furniture); ok {
blocks_los = true
}
if blocks_los {
for x := near_x - 1; x < near_x+dx+1; x++ {
vis_tot += float64(los_tex.Pix()[int(x)+roomx][int(near_y-1)+roomy])
vis_tot += float64(los_tex.Pix()[int(x)+roomx][int(near_y+dy+1)+roomy])
}
for y := near_y; y < near_y+dy; y++ {
vis_tot += float64(los_tex.Pix()[int(near_x-1)+roomx][int(y)+roomy])
vis_tot += float64(los_tex.Pix()[int(near_x+dx+1)+roomx][int(y)+roomy])
}
vis_tot /= float64((dx*2 + dy*2 + 4) * 255 / 2)
if vis_tot > 1 {
vis_tot = 1
}
} else {
for x := near_x; x < near_x+dx; x++ {
for y := near_y; y < near_y+dy; y++ {
vis_tot += float64(los_tex.Pix()[int(x)+roomx][int(y)+roomy])
}
}
vis_tot /= float64(dx * dy * 255)
}
}
leftx, _ := board_to_window(near_x, near_y+dy)
rightx, _ := board_to_window(near_x+dx, near_y)
_, boty := board_to_window(near_x, near_y)
if f == temp_furniture {
cstack.Push(1, 0, 0, 0.4)
} else {
bot := (LosMinVisibility / 255.0)
vis := (vis_tot - bot) / (1 - bot)
vis = vis * vis
vis = vis*(1-bot) + bot
vis = vis * vis
cstack.Push(vis, vis, vis, 1)
}
cstack.ApplyWithAlpha(los_alpha)
cstack.Pop()
switch d := f.(type) {
case *Furniture:
d.Render(mathgl.Vec2{leftx, boty}, rightx-leftx)
case Drawable:
gl.Enable(gl.TEXTURE_2D)
x := (leftx + rightx) / 2
d.Render(mathgl.Vec2{x, boty}, rightx-leftx)
}
}
gl.PopMatrix()
}
func (rv *RoomViewer) boardToModelview(mx, my float32) (x, y, z float32) {
v := mathgl.Vec4{X: mx, Y: my, W: 1}
v.Transform(&rv.mat)
x, y, z = v.X, v.Y, v.Z
return
}
func (rv *RoomViewer) rightWallToModelview(bx, by float32) (x, y, z float32) {
v := mathgl.Vec4{X: bx - float32(rv.room.Size.Dx), Y: by, W: 1}
v.Transform(&rv.right_wall_mat)
return v.X, v.Y, v.Z
}
func (room *Room) renderFurniture(floor mathgl.Mat4, base_alpha byte, drawables []Drawable, los_tex *LosTexture) {
board_to_window := func(mx, my float32) (x, y float32) {
v := mathgl.Vec4{X: mx, Y: my, W: 1}
v.Transform(&floor)
x, y = v.X, v.Y
return
}
var all []RectObject
for _, d := range drawables {
x, y := d.Pos()
if x < room.X {
continue
}
if y < room.Y {
continue
}
if x >= room.X+room.Size.Dx {
continue
}
if y >= room.Y+room.Size.Dy {
continue
}
all = append(all, offsetDrawable{d, -room.X, -room.Y})
}
// Do not include temporary objects in the ordering, since they will likely
// overlap with other objects and make it difficult to determine the proper
// ordering. Just draw the temporary ones last.
var temps []RectObject
for _, f := range room.Furniture {
if f.temporary {
temps = append(temps, f)
} else {
all = append(all, f)
}
}
all = OrderRectObjects(all)
for i := range all {
temps = append(temps, all[i])
}
for i := len(temps) - 1; i >= 0; i-- {
d := temps[i].(Drawable)
fx, fy := d.FPos()
near_x, near_y := float32(fx), float32(fy)
idx, idy := d.Dims()
dx, dy := float32(idx), float32(idy)
leftx, _ := board_to_window(near_x, near_y+dy)
rightx, _ := board_to_window(near_x+dx, near_y)
_, boty := board_to_window(near_x, near_y)
vis := visibilityOfObject(room.X, room.Y, d, los_tex)
r, g, b, a := d.Color()
r = alphaMult(r, vis)
g = alphaMult(g, vis)
b = alphaMult(b, vis)
a = alphaMult(a, vis)
a = alphaMult(a, base_alpha)
gl.Color4ub(r, g, b, a)
d.Render(mathgl.Vec2{leftx, boty}, rightx-leftx)
}
}