65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
package main
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import (
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"github.com/kettek/goro"
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"github.com/kettek/goro/fov"
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"steel/interfaces"
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"steel/mapping"
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)
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// DrawAll draws all entities and the gameMap to the screen and flushes it.
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func DrawAll(screen *goro.Screen, entities []interfaces.Entity, gameMap mapping.GameMap, fovMap fov.Map, fovRecompute bool, colors map[string]goro.Color) {
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if fovRecompute {
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// Draw all the tiles in the game map.
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for x := 0; x < gameMap.Width(); x++ {
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for y := 0; y < gameMap.Height(); y++ {
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visible := fovMap.Visible(x, y)
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if visible {
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if gameMap.IsBlocked(x, y) {
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screen.SetBackground(x, y, colors["lightWall"])
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} else {
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screen.SetBackground(x, y, colors["lightGround"])
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}
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gameMap.SetExplored(x, y, true)
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} else if gameMap.Explored(x, y) {
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if gameMap.IsBlocked(x, y) {
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screen.SetBackground(x, y, colors["darkWall"])
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} else {
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screen.SetBackground(x, y, colors["darkGround"])
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}
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}
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}
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}
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}
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// Draw all the entities in the game map.
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for _, entity := range entities {
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DrawEntity(screen, entity, fovMap)
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}
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screen.Flush()
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}
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// ClearAll clears all entities from the screen.
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func ClearAll(screen *goro.Screen, entities []interfaces.Entity, fovMap fov.Map) {
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for _, entity := range entities {
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ClearEntity(screen, entity, fovMap)
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}
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}
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// DrawEntity draws a given entity to the screen.
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func DrawEntity(screen *goro.Screen, e interfaces.Entity, fovMap fov.Map) {
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if fovMap.Visible(e.X(), e.Y()) {
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screen.SetRune(e.X()), e.Y(), e.Rune())
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screen.SetForeground(e.X(), e.Y(), e.Style().Foreground)
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}
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}
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// ClearEntity clears a given entity from the screen.
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func ClearEntity(screen *goro.Screen, e interfaces.Entity, fovMap fov.Map) {
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if fovMap.Visible(e.X(), e.Y()) {
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screen.SetRune(e.X(), e.Y(), ' ')
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}
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}
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