55 lines
1.2 KiB
Odin
55 lines
1.2 KiB
Odin
package main
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import rl "vendor:raylib"
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Entity :: distinct u32
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Entity_World :: struct {
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count: int,
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active: [MAX_ENTITIES]bool,
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position: [MAX_ENTITIES]Tile_Coord,
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color: [MAX_ENTITIES]rl.Color,
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is_colonist: [MAX_ENTITIES]bool,
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}
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entity_world_init :: proc() -> Entity_World {
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return Entity_World{}
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}
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entity_spawn_colonist :: proc(ew: ^Entity_World, pos: Tile_Coord) -> Entity {
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for i in 0 ..< MAX_ENTITIES {
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if !ew.active[i] {
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ew.active[i] = true
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ew.position[i] = pos
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ew.color[i] = {80, 140, 220, 225}
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ew.is_colonist[i] = true
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ew.count += 1
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return Entity(u32(i + 1))
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}
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}
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return INVALID_ENTITY
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}
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entity_index :: proc(e: Entity) -> int {
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return int(u32(e) - 1)
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}
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entity_draw :: proc(ew: ^Entity_World, camera: ^Camera2D) {
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for i in 0 ..< MAX_ENTITIES {
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if !ew.active[i] || !ew.is_colonist[i] {
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continue
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}
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pos := ew.position[i]
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wx := f32(pos.x * TILE_SIZE) + f32(TILE_SIZE) * 0.5
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wy := f32(pos.y * TILE_SIZE) + f32(TILE_SIZE) * 0.5
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sx, sy := world_to_screen(camera, wx, wy)
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radius := f32(TILE_SIZE) * 0.3 * camera.zoom
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rl.DrawCircle(i32(sx), i32(sy), radius, ew.color[i])
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rl.DrawCircleLines(i32(sx), i32(sy), radius, rl.WHITE)
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}
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}
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