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genericrenderer.go
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genericrenderer.go
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package g3nrender
import (
"log"
"sort"
"strings"
"github.com/g3n/engine/core"
"github.com/g3n/engine/math32"
"github.com/mrjrieke/nute/g3nd/g3nmash"
"github.com/mrjrieke/nute/g3nd/g3nworld"
)
type G3nCollection []*g3nmash.G3nDetailedElement
func (a G3nCollection) Len() int { return len(a) }
func (a G3nCollection) Less(i, j int) bool {
return strings.Compare(a[i].GetDisplayName(), a[j].GetDisplayName()) < 0
}
func (a G3nCollection) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
type IG3nRenderer interface {
NewSolidAtPosition(g3n *g3nmash.G3nDetailedElement, vpos *math32.Vector3) core.INode
NewInternalMeshAtPosition(g3n *g3nmash.G3nDetailedElement, vpos *math32.Vector3) core.INode
NewRelatedMeshAtPosition(g3n *g3nmash.G3nDetailedElement, vpos *math32.Vector3, vprevpos *math32.Vector3) core.INode
NextCoordinate(g3n *g3nmash.G3nDetailedElement, totalElements int) (*g3nmash.G3nDetailedElement, *math32.Vector3)
Sort(worldApp *g3nworld.WorldApp, g3nRenderableElements G3nCollection) G3nCollection
Layout(worldApp *g3nworld.WorldApp, g3nRenderableElements []*g3nmash.G3nDetailedElement)
InitRenderLoop(worldApp *g3nworld.WorldApp) bool
RenderElement(worldApp *g3nworld.WorldApp, g3n *g3nmash.G3nDetailedElement) bool
GetRenderer(rendererName string) IG3nRenderer
GetRendererType() G3nRenderType
Collaborate(worldApp *g3nworld.WorldApp, renderer IG3nRenderer)
}
type G3nRenderType string
const (
NONE G3nRenderType = ""
LAYOUT G3nRenderType = "Layout"
)
type GenericRenderer struct {
RendererType G3nRenderType
}
func (*GenericRenderer) NewSolidAtPosition(g3n *g3nmash.G3nDetailedElement, vpos *math32.Vector3) core.INode {
return nil
}
func (*GenericRenderer) NewInternalMeshAtPosition(g3n *g3nmash.G3nDetailedElement, vpos *math32.Vector3) core.INode {
return nil
}
func (*GenericRenderer) NewRelatedMeshAtPosition(g3n *g3nmash.G3nDetailedElement, vpos *math32.Vector3, vprevpos *math32.Vector3) core.INode {
return nil
}
func (*GenericRenderer) NextCoordinate(g3n *g3nmash.G3nDetailedElement, totalElements int) (*g3nmash.G3nDetailedElement, *math32.Vector3) {
return g3n, math32.NewVector3(float32(0.0), float32(0.0), float32(0.0))
}
func (gr *GenericRenderer) Sort(worldApp *g3nworld.WorldApp, g3nRenderableElements G3nCollection) G3nCollection {
sort.Sort(g3nRenderableElements)
return g3nRenderableElements
}
func (gr *GenericRenderer) InitRenderLoop(worldApp *g3nworld.WorldApp) bool {
// TODO: noop
return true
}
func (gr *GenericRenderer) RenderElement(worldApp *g3nworld.WorldApp, g3n *g3nmash.G3nDetailedElement) bool {
return false
}
func (gr *GenericRenderer) Layout(worldApp *g3nworld.WorldApp,
g3nRenderableElements []*g3nmash.G3nDetailedElement) {
gr.LayoutBase(worldApp, gr, g3nRenderableElements)
}
func (gr *GenericRenderer) GetRenderer(rendererName string) IG3nRenderer {
return nil
}
func (gr *GenericRenderer) GetRendererType() G3nRenderType {
return gr.RendererType
}
func (gr *GenericRenderer) Collaborate(worldApp *g3nworld.WorldApp, collaboratingRenderer IG3nRenderer) {
}
func (gr *GenericRenderer) LayoutBase(worldApp *g3nworld.WorldApp,
g3Renderer IG3nRenderer,
g3nRenderableElements []*g3nmash.G3nDetailedElement) {
var nextPos *math32.Vector3
var prevSolidPos *math32.Vector3
totalElements := len(g3nRenderableElements)
if totalElements > 0 {
if g3nRenderableElements[0].GetDetailedElement().Colabrenderer != "" {
log.Printf("Collab examine: %v\n", g3nRenderableElements[0])
log.Printf("Renderer name: %s\n", g3nRenderableElements[0].GetDetailedElement().GetRenderer())
protoRenderer := g3Renderer.GetRenderer(g3nRenderableElements[0].GetDetailedElement().GetRenderer())
log.Printf("Collaborating %v\n", protoRenderer)
g3Renderer.Collaborate(worldApp, protoRenderer)
}
}
for _, g3nRenderableElement := range g3nRenderableElements {
concreteG3nRenderableElement := g3nRenderableElement
prevSolidPos = nextPos
_, nextPos = g3Renderer.NextCoordinate(concreteG3nRenderableElement, totalElements)
solidMesh := g3Renderer.NewSolidAtPosition(concreteG3nRenderableElement, nextPos)
if solidMesh != nil {
log.Printf("Adding %s\n", solidMesh.GetNode().LoaderID())
worldApp.AddToScene(solidMesh)
concreteG3nRenderableElement.SetNamedMesh(concreteG3nRenderableElement.GetDisplayName(), solidMesh)
}
for _, relatedG3n := range worldApp.GetG3nDetailedChildElementsByGenre(concreteG3nRenderableElement, "Related") {
relatedMesh := g3Renderer.NewRelatedMeshAtPosition(concreteG3nRenderableElement, nextPos, prevSolidPos)
if relatedMesh != nil {
worldApp.AddToScene(relatedMesh)
concreteG3nRenderableElement.SetNamedMesh(relatedG3n.GetDisplayName(), relatedMesh)
}
}
for _, innerG3n := range worldApp.GetG3nDetailedChildElementsByGenre(concreteG3nRenderableElement, "Space") {
negativeMesh := g3Renderer.NewInternalMeshAtPosition(innerG3n, nextPos)
if negativeMesh != nil {
worldApp.AddToScene(negativeMesh)
innerG3n.SetNamedMesh(innerG3n.GetDisplayName(), negativeMesh)
}
}
}
}