tins2020/map.go

package tins2020

import "opslag.de/schobers/geom"

type Map struct {
	Temp    NoiseMap
	Humid   NoiseMap
	Variant NoiseMap
	PlaceX  NoiseMap // displacement map of props
	PlaceY  NoiseMap

	Center  geom.Point
	Flowers map[geom.Point]Flower
}

func (m *Map) AddFlower(pos geom.Point, id string, traits FlowerTraits) {
	m.Flowers[pos] = m.NewFlower(pos, id, traits)
}

func (m *Map) FlowersOnAdjacentTiles(pos geom.Point) int {
	var count int
	if _, ok := m.Flowers[geom.Pt(pos.X+1, pos.Y)]; ok {
		count++
	}
	if _, ok := m.Flowers[geom.Pt(pos.X-1, pos.Y)]; ok {
		count++
	}
	if _, ok := m.Flowers[geom.Pt(pos.X, pos.Y+1)]; ok {
		count++
	}
	if _, ok := m.Flowers[geom.Pt(pos.X, pos.Y-1)]; ok {
		count++
	}
	return count
}

func (m *Map) DigFlower(pos geom.Point) string {
	flower, ok := m.Flowers[pos]
	if !ok {
		return ""
	}
	delete(m.Flowers, pos)
	return flower.ID
}

func (m *Map) HasFlower(pos geom.Point) bool {
	_, ok := m.Flowers[pos]
	return ok
}

func (m *Map) NewFlower(pos geom.Point, id string, traits FlowerTraits) Flower {
	flower := Flower{
		ID:     id,
		Traits: traits,
	}
	temp, humid := float32(m.Temp.Value(pos.X, pos.Y)), float32(m.Humid.Value(pos.X, pos.Y))
	flower.Traits.UpdateModifier(temp, humid)
	return flower
}