mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2024-09-05 19:14:14 -04:00
144 lines
4.5 KiB
Go
144 lines
4.5 KiB
Go
package _map
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import (
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"math"
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"math/rand"
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"strings"
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"github.com/OpenDiablo2/OpenDiablo2/common"
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"github.com/OpenDiablo2/OpenDiablo2/sound"
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"github.com/hajimehoshi/ebiten"
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)
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type EngineRegion struct {
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Rect common.Rectangle
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Region *Region
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}
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type Engine struct {
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soundManager *sound.Manager
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gameState *common.GameState
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fileProvider common.FileProvider
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regions []EngineRegion
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OffsetX float64
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OffsetY float64
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}
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func CreateMapEngine(gameState *common.GameState, soundManager *sound.Manager, fileProvider common.FileProvider) *Engine {
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result := &Engine{
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gameState: gameState,
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soundManager: soundManager,
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fileProvider: fileProvider,
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regions: make([]EngineRegion, 0),
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}
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return result
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}
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func (v *Engine) GenerateMap(regionType RegionIdType, levelPreset int) {
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randomSource := rand.NewSource(v.gameState.Seed)
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region := LoadRegion(randomSource, regionType, levelPreset, v.fileProvider)
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v.regions = append(v.regions, EngineRegion{
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Rect: common.Rectangle{0, 0, int(region.TileWidth), int(region.TileHeight)},
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Region: region,
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})
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}
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func (v *Engine) GenerateAct1Overworld() {
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v.soundManager.PlayBGM("/data/global/music/Act1/town1.wav") // TODO: Temp stuff here
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randomSource := rand.NewSource(v.gameState.Seed)
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region := LoadRegion(randomSource, RegionAct1Town, 1, v.fileProvider)
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v.regions = append(v.regions, EngineRegion{
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Rect: common.Rectangle{0, 0, int(region.TileWidth), int(region.TileHeight)},
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Region: region,
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})
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if strings.Contains(region.RegionPath, "E1") {
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region2 := LoadRegion(randomSource, RegionAct1Town, 2, v.fileProvider)
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v.regions = append(v.regions, EngineRegion{
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Rect: common.Rectangle{int(region.TileWidth - 1), 0, int(region2.TileWidth), int(region2.TileHeight)},
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Region: region2,
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})
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} else if strings.Contains(region.RegionPath, "S1") {
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region2 := LoadRegion(randomSource, RegionAct1Town, 3, v.fileProvider)
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v.regions = append(v.regions, EngineRegion{
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Rect: common.Rectangle{0, int(region.TileHeight - 1), int(region2.TileWidth), int(region2.TileHeight)},
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Region: region2,
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})
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}
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sx, sy := common.IsoToScreen(int(region.StartX), int(region.StartY), 0, 0)
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v.OffsetX = float64(sx) - 400
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v.OffsetY = float64(sy) - 300
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}
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func (v *Engine) GetRegionAt(x, y int) *EngineRegion {
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if v.regions == nil {
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return nil
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}
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for _, region := range v.regions {
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if !region.Rect.IsInRect(x, y) {
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continue
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}
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return ®ion
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}
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return nil
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}
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func (v *Engine) Render(target *ebiten.Image) {
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for _, region := range v.regions {
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v.RenderRegion(region, target)
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}
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}
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func (v *Engine) RenderRegion(region EngineRegion, target *ebiten.Image) {
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for y := 0; y < int(region.Region.TileHeight); y++ {
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offX := -((y + region.Rect.Top) * 80) + (region.Rect.Left * 80)
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offY := ((y + region.Rect.Top) * 40) + (region.Rect.Left * 40)
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for x := 0; x < int(region.Region.TileWidth); x++ {
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sx, sy := common.IsoToScreen(x+region.Rect.Left, y+region.Rect.Top, int(v.OffsetX), int(v.OffsetY))
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if sx > -160 && sy > -160 && sx <= 880 && sy <= 1000 {
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v.RenderTile(region.Region, offX, offY, x, y, target)
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}
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offX += 80
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offY += 40
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}
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}
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}
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func (v *Engine) RenderTile(region *Region, offX, offY, x, y int, target *ebiten.Image) {
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tile := region.DS1.Tiles[y][x]
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for i := range tile.Floors {
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if tile.Floors[i].Hidden || tile.Floors[i].Prop1 == 0 {
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continue
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}
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region.RenderTile(offX+int(v.OffsetX), offY+int(v.OffsetY), x, y, RegionLayerTypeFloors, i, target)
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}
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for i := range tile.Shadows {
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if tile.Shadows[i].Hidden || tile.Shadows[i].Prop1 == 0 {
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continue
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}
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region.RenderTile(offX+int(v.OffsetX), offY+int(v.OffsetY), x, y, RegionLayerTypeShadows, i, target)
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}
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for i := range tile.Walls {
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if tile.Walls[i].Hidden || tile.Walls[i].Orientation == 15 || tile.Walls[i].Orientation == 10 || tile.Walls[i].Orientation == 11 || tile.Walls[i].Orientation == 0 {
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continue
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}
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region.RenderTile(offX+int(v.OffsetX), offY+int(v.OffsetY), x, y, RegionLayerTypeWalls, i, target)
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}
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for _, obj := range region.AnimationEntities {
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if int(math.Floor(obj.LocationX)) == x && int(math.Floor(obj.LocationY)) == y {
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obj.Render(target, offX+int(v.OffsetX), offY+int(v.OffsetY))
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}
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}
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for _, npc := range region.NPCs {
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if int(math.Floor(npc.AnimatedEntity.LocationX)) == x && int(math.Floor(npc.AnimatedEntity.LocationY)) == y {
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npc.Render(target, offX+int(v.OffsetX), offY+int(v.OffsetY))
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}
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}
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for i := range tile.Walls {
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if tile.Walls[i].Hidden || tile.Walls[i].Orientation != 15 {
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continue
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}
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region.RenderTile(offX+int(v.OffsetX), offY+int(v.OffsetY), x, y, RegionLayerTypeWalls, i, target)
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}
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}
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