/
render_manager.go
executable file
·159 lines (137 loc) · 3.77 KB
/
render_manager.go
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package ge2d
import (
"github.com/scottferg/Go-SDL/sdl"
"log"
// "fmt"
//"math"
// "os"
//"strings"
//"time"
)
type RenderManager struct {
screen *sdl.Surface
image *sdl.Surface
// animMap map[string]*Anim
tmx *TmxTileMap
mapSprite *SpriteSetCollection
// spriteSlice []*sdl.Surface
backgroundColor uint32
ressourceManager *SpriteLoader
}
func NewRenderManager() *RenderManager {
mapSprite := NewSpriteSetCollection()
this := &RenderManager {
nil,
nil,
// make(map[string]*Anim),
nil,
mapSprite,
0x0,
NewSpriteLoader(),
}
tmx := NewTmxTileMap(this)
this.tmx = tmx
this.Init()
return this
}
func (this *RenderManager) Init() {
this.tmx.Load("./test_cute.tmx")
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
log.Fatal(sdl.GetError())
}
this.screen = sdl.SetVideoMode(707, 600, 32, sdl.RESIZABLE)
if this.screen == nil {
log.Fatal(sdl.GetError())
}
var video_info = sdl.GetVideoInfo()
println("HW_available = ", video_info.HW_available)
println("WM_available = ", video_info.WM_available)
println("Video_mem = ", video_info.Video_mem, "kb")
sdl.EnableUNICODE(1)
sdl.WM_SetCaption("Go-SDL SDL Test", "")
if sdl.GetKeyName(270) != "[+]" {
log.Fatal("GetKeyName broken")
}
this.ressourceManager = NewSpriteLoader()
this.ressourceManager.Load("test_tileset.gspr")
// this.animMap = ressourceManager.GetAnimMap()
}
func (this *RenderManager) LoadMapSpriteSet(file string, elemWidth uint, elemHeight uint) {
this.mapSprite.LoadSpriteSet(file, elemWidth, elemHeight)
}
// TODO: Sprite are not free (sdl)
func (this *RenderManager) Quit() {
// image.Free()
sdl.Quit()
}
var i int16 = 0
func (this *RenderManager) Update(sceneManager *SceneManager) {
// if this.backgroundColor != 0 {
this.screen.FillRect(nil, this.backgroundColor)
// }
// this.screen.FillRect(nil, 0x302019)
this.BlitMap()
this.BrowseNode(sceneManager.GetRootNode())
this.screen.Flip()
}
func (this *RenderManager) CreateRenderComponent(animName string) *RenderComponent {
anim := this.ressourceManager.GetAnim(animName)
renderComponent := NewRenderComponent(this, anim)
return renderComponent
}
func (this *RenderManager) BrowseNode(node INode) {
objectMap := node.GetObjectMap()
for _, object := range objectMap {
renderComponent :=
object.GetComposantByTypeName("render").(*RenderComponent)
if renderComponent != nil {
this.Blit(renderComponent, node)
}
}
for _, node := range node.GetChildMap() {
this.BrowseNode(node)
}
}
func (this *RenderManager) BlitMap() {
this.tmx.BlitMap()
}
func (this *RenderManager) Blit(component *RenderComponent, node INode) {
anim := component.GetAnimation()
imageCount := component.GetImageCount()
// log.Printf("imageCount: %d, image: %d\n", *imageCount, *imageCount / anim.GetFrequency())
ressource := anim.GetResource(*imageCount / anim.GetFrequency())
image, srcrect, err := this.ressourceManager.GetSprite(ressource)
if err != nil {
log.Fatal("[RenderManager] Blit(): ", err)
}
nbImage := anim.GetNumberSprite()
*imageCount = (*imageCount + 1) % (nbImage * anim.GetFrequency())
position := node.GetPosition()
if image == nil {
log.Fatal("[RenderManager] Blit(): nil surface")
}
this.screen.Blit(
&sdl.Rect{
int16(position.X), int16(position.Y),
uint16(image.W), uint16(image.H)},
image,
srcrect,
)
}
func (this *RenderManager) BlitSprite(sprite *Sprite) {
this.screen.Blit(
sprite.GetDestRect(),
sprite.GetSurface(),
sprite.GetSrcRect(),
)
}
func (this *RenderManager) GetSprite(gid uint) (*sdl.Surface, *sdl.Rect, error) {
return this.mapSprite.GetSprite(gid)
}
//TODO: maybe to move in Scene
func (this *RenderManager) GetBackgroundColor() uint32 {
return this.backgroundColor
}
func (this *RenderManager) SetBackgroundColor(backgroundColor uint32) {
this.backgroundColor = backgroundColor
}