forked from Thinkofname/steven-go
/
entitymodels.go
451 lines (405 loc) · 12.5 KB
/
entitymodels.go
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// Copyright 2015 Matthew Collins
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package steven
import (
"errors"
"math"
"github.com/go-gl/mathgl/mgl32"
"github.com/thinkofdeath/steven/entitysys"
"github.com/thinkofdeath/steven/render"
"github.com/thinkofdeath/steven/type/direction"
)
func init() {
addSystem(entitysys.Add, esPlayerModelAdd)
addSystem(entitysys.Tick, esPlayerModelTick)
addSystem(entitysys.Remove, esPlayerModelRemove)
// Generic removal
addSystem(entitysys.Remove, esModelRemove)
}
func appendBox(verts []*render.StaticVertex, x, y, z, w, h, d float32, textures [6]render.TextureInfo) []*render.StaticVertex {
return appendBoxExtra(verts, x, y, z, w, h, d, textures, [6][2]float64{
{1.0, 1.0},
{1.0, 1.0},
{1.0, 1.0},
{1.0, 1.0},
{1.0, 1.0},
{1.0, 1.0},
})
}
func appendBoxExtra(verts []*render.StaticVertex, x, y, z, w, h, d float32, textures [6]render.TextureInfo, extra [6][2]float64) []*render.StaticVertex {
for i, face := range faceVertices {
tex := textures[i]
if tex == nil {
continue
}
for _, v := range face.verts {
var rr, gg, bb byte = 255, 255, 255
if direction.Type(i) == direction.West || direction.Type(i) == direction.East {
rr = byte(255 * 0.8)
gg = byte(255 * 0.8)
bb = byte(255 * 0.8)
}
vert := &render.StaticVertex{
X: float32(v.X)*w + x,
Y: float32(v.Y)*h + y,
Z: float32(v.Z)*d + z,
Texture: tex,
TextureX: float64(v.TOffsetX) * extra[i][0],
TextureY: float64(v.TOffsetY) * extra[i][1],
R: rr,
G: gg,
B: bb,
A: 255,
}
verts = append(verts, vert)
}
}
return verts
}
// Player
type playerModelComponent struct {
model *render.StaticModel
skin string
cape string
hasHead bool
hasNameTag bool
isFirstPerson bool
dir float64
time float64
idleTime float64
manualMove bool
walking bool
armTime float64
capeTime float64
heldModel *render.StaticModel
heldMat mgl32.Mat4
}
func (p *playerModelComponent) Model() *render.StaticModel { return p.model }
func (p *playerModelComponent) SwingArm() {
p.armTime = 15
}
func (p *playerModelComponent) SetCurrentItem(item *ItemStack) {
if p.heldModel != nil {
p.heldModel.Free()
}
if item == nil {
return
}
mdl := getModel(item.Type.Name())
if mdl == nil {
return
}
var blk Block
if bt, ok := item.Type.(*blockItem); ok {
blk = bt.block
}
mode := "thirdperson"
var out []*render.StaticVertex
if mdl.builtIn == builtInGenerated {
out, p.heldMat = genStaticModelFromItem(mdl, blk, mode)
} else if mdl.builtIn == builtInFalse {
out, p.heldMat = staticModelFromItem(mdl, blk, mode)
}
p.heldModel = render.NewStaticModel([][]*render.StaticVertex{
out,
})
p.heldModel.Radius = 3
}
type PlayerModelComponent interface {
SwingArm()
SetCurrentItem(item *ItemStack)
}
const (
playerModelHead = iota
playerModelBody
playerModelLegLeft
playerModelLegRight
playerModelArmLeft
playerModelArmRight
playerModelCape
playerModelNameTag
)
func esPlayerModelAdd(p *playerModelComponent, pl PlayerComponent) {
uuid := pl.UUID()
info := Client.playerList.info[uuid]
if info == nil {
Client.network.SignalClose(errors.New("missing player info"))
return
}
skin := info.skin
p.skin = info.skinHash
cape := info.cape
p.cape = info.capeHash
if p.skin != "" {
render.RefSkin(p.skin)
}
if p.cape != "" {
render.RefSkin(p.cape)
}
var hverts []*render.StaticVertex
if p.hasHead {
hverts = appendBox(hverts, -4/16.0, 0, -4/16.0, 8/16.0, 8/16.0, 8/16.0, [6]render.TextureInfo{
direction.North: skin.Sub(8, 8, 8, 8),
direction.South: skin.Sub(24, 8, 8, 8),
direction.East: skin.Sub(0, 8, 8, 8),
direction.West: skin.Sub(16, 8, 8, 8),
direction.Up: skin.Sub(8, 0, 8, 8),
direction.Down: skin.Sub(16, 0, 8, 8),
})
hverts = appendBox(hverts, -4.2/16.0, -.2/16.0, -4.2/16.0, 8.4/16.0, 8.4/16.0, 8.4/16.0, [6]render.TextureInfo{
direction.North: skin.Sub(8+32, 8, 8, 8),
direction.South: skin.Sub(24+32, 8, 8, 8),
direction.East: skin.Sub(0+32, 8, 8, 8),
direction.West: skin.Sub(16+32, 8, 8, 8),
direction.Up: skin.Sub(8+32, 0, 8, 8),
direction.Down: skin.Sub(16+32, 0, 8, 8),
})
}
var cverts []*render.StaticVertex
if p.cape != "" {
cverts = appendBox(cverts, -5/16.0, -16/16.0, 0, 10/16.0, 16/16.0, 1/16.0, [6]render.TextureInfo{
direction.North: cape.Sub(11, 1, 10, 16),
direction.South: cape.Sub(1, 1, 10, 16),
direction.West: cape.Sub(0, 1, 1, 16),
direction.East: cape.Sub(21, 1, 1, 16),
direction.Up: cape.Sub(1, 0, 10, 1),
direction.Down: cape.Sub(11, 0, 10, 1),
})
}
bverts := appendBox(nil, -4/16.0, -6/16.0, -2/16.0, 8/16.0, 12/16.0, 4/16.0, [6]render.TextureInfo{
direction.North: skin.Sub(20, 20, 8, 12),
direction.South: skin.Sub(32, 20, 8, 12),
direction.West: skin.Sub(16, 20, 4, 12),
direction.East: skin.Sub(28, 20, 4, 12),
direction.Up: skin.Sub(20, 16, 8, 4),
direction.Down: skin.Sub(28, 16, 8, 4),
})
bverts = appendBox(bverts, -4.2/16.0, -6.2/16.0, -2.2/16.0, 8.4/16.0, 12.4/16.0, 4.4/16.0, [6]render.TextureInfo{
direction.North: skin.Sub(20, 20+16, 8, 12),
direction.South: skin.Sub(32, 20+16, 8, 12),
direction.West: skin.Sub(16, 20+16, 4, 12),
direction.East: skin.Sub(28, 20+16, 4, 12),
direction.Up: skin.Sub(20, 16+16, 8, 4),
direction.Down: skin.Sub(28, 16+16, 8, 4),
})
var lverts [4][]*render.StaticVertex
for i, off := range [][4]int{
{0, 16, 0, 32},
{16, 48, 0, 48},
{32, 48, 48, 48},
{40, 16, 40, 32},
} {
ox, oy := off[0], off[1]
lverts[i] = appendBox(nil, -2/16.0, -12/16.0, -2/16.0, 4/16.0, 12/16.0, 4/16.0, [6]render.TextureInfo{
direction.North: skin.Sub(ox+4, oy+4, 4, 12),
direction.South: skin.Sub(ox+12, oy+4, 4, 12),
direction.West: skin.Sub(ox+0, oy+4, 4, 12),
direction.East: skin.Sub(ox+8, oy+4, 4, 12),
direction.Up: skin.Sub(ox+4, oy, 4, 4),
direction.Down: skin.Sub(ox+8, oy, 4, 4),
})
ox, oy = off[2], off[3]
lverts[i] = appendBox(lverts[i], -2.2/16.0, -12.2/16.0, -2.2/16.0, 4.4/16.0, 12.4/16.0, 4.4/16.0, [6]render.TextureInfo{
direction.North: skin.Sub(ox+4, oy+4, 4, 12),
direction.South: skin.Sub(ox+12, oy+4, 4, 12),
direction.West: skin.Sub(ox+0, oy+4, 4, 12),
direction.East: skin.Sub(ox+8, oy+4, 4, 12),
direction.Up: skin.Sub(ox+4, oy, 4, 4),
direction.Down: skin.Sub(ox+8, oy, 4, 4),
})
}
var nverts []*render.StaticVertex
if p.hasNameTag {
nverts = createNameTag(info.name)
}
model := render.NewStaticModel([][]*render.StaticVertex{
playerModelHead: hverts,
playerModelBody: bverts,
playerModelLegRight: lverts[0],
playerModelLegLeft: lverts[1],
playerModelArmRight: lverts[2],
playerModelArmLeft: lverts[3],
playerModelCape: cverts,
playerModelNameTag: nverts,
})
p.model = model
model.Radius = 3
}
func createNameTag(name string) (verts []*render.StaticVertex) {
width := render.SizeOfString(name) + 4
offset := -(width/2)*0.01 + (2 * 0.01)
for _, r := range name {
tex := render.CharacterTexture(r)
if tex == nil {
continue
}
s := render.SizeOfCharacter(r)
for _, v := range faceVertices[direction.North].verts {
vert := &render.StaticVertex{
X: float32(v.X)*float32(s*0.01) - float32(offset+s*0.01) - 0.01,
Y: float32(v.Y)*0.16 - 0.08 - 0.01,
Z: 0.05,
Texture: tex,
TextureX: float64(v.TOffsetX),
TextureY: float64(v.TOffsetY),
R: 64,
G: 64,
B: 64,
A: 255,
}
verts = append(verts, vert)
}
for _, v := range faceVertices[direction.North].verts {
vert := &render.StaticVertex{
X: float32(v.X)*float32(s*0.01) - float32(offset+s*0.01),
Y: float32(v.Y)*0.16 - 0.08,
Z: 0,
Texture: tex,
TextureX: float64(v.TOffsetX),
TextureY: float64(v.TOffsetY),
R: 255,
G: 255,
B: 255,
A: 255,
}
verts = append(verts, vert)
}
offset += (s + 2) * 0.01
}
return verts
}
func esPlayerModelRemove(p *playerModelComponent) {
if p.skin != "" {
render.FreeSkin(p.skin)
}
if p.cape != "" {
render.FreeSkin(p.cape)
}
if p.heldModel != nil {
p.heldModel.Free()
}
}
func esModelRemove(p interface {
Model() *render.StaticModel
}) {
if p.Model() != nil {
p.Model().Free()
}
}
var moveLimit = 1e-5
func esPlayerModelTick(p *playerModelComponent,
pos PositionComponent, t *targetPositionComponent, r RotationComponent) {
x, y, z := pos.Position()
model := p.model
model.X, model.Y, model.Z = -float32(x), -float32(y), float32(z)
if p.heldModel != nil {
p.heldModel.X, p.heldModel.Y, p.heldModel.Z = -float32(x), -float32(y), float32(z)
p.heldModel.BlockLight, p.heldModel.SkyLight = p.model.BlockLight, p.model.SkyLight
}
offMat := mgl32.Translate3D(float32(x), -float32(y), float32(z)).
Mul4(mgl32.Rotate3DY(math.Pi - float32(r.Yaw())).Mat4())
if p.cape != "" {
if t.stillTime < 5.0 {
if p.capeTime < 30 {
p.capeTime += Client.delta
} else {
p.capeTime = 30
}
} else {
if p.capeTime > 0 {
p.capeTime -= Client.delta
} else {
p.capeTime = 0
}
}
p.model.Matrix[playerModelCape] = offMat.Mul4(mgl32.Translate3D(0, -24/16.0, 2/16.0)).
Mul4(mgl32.Rotate3DX(float32(p.capeTime)/60.0 + 0.05).Mat4())
}
// TODO This isn't the most optimal way of doing this
if p.hasNameTag {
val := math.Atan2(x-render.Camera.X, z-render.Camera.Z)
model.Matrix[playerModelNameTag] = mgl32.Translate3D(float32(x), -float32(y), float32(z)).
Mul4(mgl32.Translate3D(0, -12/16.0-12/16.0-0.6, 0)).
Mul4(mgl32.Rotate3DY(float32(val)).Mat4())
}
model.Matrix[playerModelHead] = offMat.Mul4(mgl32.Translate3D(0, -12/16.0-12/16.0, 0)).
Mul4(mgl32.Rotate3DX(float32(r.Pitch())).Mat4())
model.Matrix[playerModelBody] = offMat.Mul4(mgl32.Translate3D(0, -12/16.0-6/16.0, 0))
time := p.time
dir := p.dir
if dir == 0 {
dir = 1
time = 15
}
ang := ((time / 15) - 1) * (math.Pi / 4)
model.Matrix[playerModelLegRight] = offMat.Mul4(mgl32.Translate3D(2/16.0, -12/16.0, 0)).
Mul4(mgl32.Rotate3DX(float32(ang)).Mat4())
model.Matrix[playerModelLegLeft] = offMat.Mul4(mgl32.Translate3D(-2/16.0, -12/16.0, 0)).
Mul4(mgl32.Rotate3DX(-float32(ang)).Mat4())
iTime := p.idleTime
iTime += Client.delta * 0.02
if iTime > math.Pi*2 {
iTime -= math.Pi * 2
}
p.idleTime = iTime
if p.armTime <= 0 {
p.armTime = 0
} else {
p.armTime -= Client.delta
}
model.Matrix[playerModelArmRight] = offMat.Mul4(mgl32.Translate3D(6/16.0, -12/16.0-12/16.0, 0))
model.Matrix[playerModelArmRight] = model.Matrix[playerModelArmRight].
Mul4(mgl32.Rotate3DX(-float32(ang * 0.75)).Mat4()).
Mul4(mgl32.Rotate3DZ(float32(math.Cos(iTime)*0.06) - 0.06).Mat4()).
Mul4(mgl32.Rotate3DX(float32(math.Sin(iTime)*0.06) - float32((7.5-math.Abs(p.armTime-7.5))/7.5)).Mat4())
if p.heldModel != nil {
p.heldModel.Matrix[0] = offMat.Mul4(mgl32.Translate3D(6/16.0, -12/16.0-12/16.0, 0.0)).
Mul4(mgl32.Rotate3DX(-float32(ang * 0.75)).Mat4()).
Mul4(mgl32.Rotate3DZ(float32(math.Cos(iTime)*0.06) - 0.06).Mat4()).
Mul4(mgl32.Rotate3DX(float32(math.Sin(iTime)*0.06) - float32((7.5-math.Abs(p.armTime-7.5))/7.5)).Mat4()).
Mul4(mgl32.Translate3D(0, 11/16.0, -5/16.0)).
Mul4(mgl32.Rotate3DX(math.Pi).Mat4()).
Mul4(p.heldMat)
}
model.Matrix[playerModelArmLeft] = offMat.Mul4(mgl32.Translate3D(-6/16.0, -12/16.0-12/16.0, 0)).
Mul4(mgl32.Rotate3DX(float32(ang * 0.75)).Mat4()).
Mul4(mgl32.Rotate3DZ(-float32(math.Cos(iTime)*0.06) + 0.06).Mat4()).
Mul4(mgl32.Rotate3DX(-float32(math.Sin(iTime) * 0.06)).Mat4())
update := true
if (!p.manualMove && t.X == t.sX && t.Y == t.sY && t.Z == t.sZ) || (p.manualMove && !p.walking) {
if t.stillTime > 5.0 {
if math.Abs(time-15) <= 1.5*Client.delta {
time = 15
update = false
}
dir = math.Copysign(1, 15-time)
} else {
t.stillTime += Client.delta
}
} else {
t.stillTime = 0
}
if update {
time += Client.delta * 1.5 * dir
if time > 30 {
time = 30
dir = -1
} else if time < 0 {
time = 0
dir = 1
}
}
p.dir = dir
p.time = time
}