From ba34490aaed5f7c242c2b0453130fefc07d0d5d0 Mon Sep 17 00:00:00 2001
From: historia <[not public]>
Date: Mon, 29 Jun 2026 04:03:38 -0400
Subject: restructured project

---
 internal/model/terrain.go | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 internal/model/terrain.go

(limited to 'internal/model/terrain.go')

diff --git a/internal/model/terrain.go b/internal/model/terrain.go
new file mode 100644
index 0000000..7772620
--- /dev/null
+++ b/internal/model/terrain.go
@@ -0,0 +1,43 @@
+package model
+
+import "math/rand"
+
+type TerrainColor struct {
+	Color  string `yaml:"color"`
+	Weight int    `yaml:"weight"`
+}
+
+type Terrain struct {
+	Name   string         `yaml:"name"`
+	Symbol string         `yaml:"symbol"`
+	ASCII  string         `yaml:"ascii"`
+	Colors []TerrainColor `yaml:"colors"`
+}
+
+func (t Terrain) GetSymbol(unicode bool) string {
+	if unicode {
+		return t.Symbol
+	}
+	return t.ASCII
+}
+
+func (t Terrain) PickColor() string {
+	if len(t.Colors) == 0 {
+		return "0"
+	}
+	if len(t.Colors) == 1 {
+		return t.Colors[0].Color
+	}
+	total := 0
+	for _, c := range t.Colors {
+		total += c.Weight
+	}
+	r := rand.Intn(total)
+	for _, c := range t.Colors {
+		r -= c.Weight
+		if r < 0 {
+			return c.Color
+		}
+	}
+	return t.Colors[0].Color
+}
-- 
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