refactor: added docs, split up some components in game package

1 files changed, 102 insertions, 0 deletions

diff --git a/internal/game/map.go b/internal/game/map.go
index cd1012b..e7738bd 100644
--- a/internal/game/map.go
+++ b/internal/game/map.go
@@ -1,6 +1,8 @@
 package game
 
 import (
+	"strings"
+
 	"thirdcollapse/internal/world"
 )
 
@@ -189,3 +191,103 @@ func roomMapSymbol(g *Game, roomID int) rune {
 	}
 	return 'o'
 }
+
+func stripBlankRows(lines []string) []string {
+	var out []string
+	for _, line := range lines {
+		if strings.TrimSpace(line) != "" {
+			out = append(out, line)
+		}
+	}
+	return out
+}
+
+func leftTrimCommon(lines []string) []string {
+	min := -1
+	for _, line := range lines {
+		if strings.TrimSpace(line) == "" {
+			continue
+		}
+		n := 0
+		for _, r := range line {
+			if r == ' ' {
+				n++
+			} else {
+				break
+			}
+		}
+		if min < 0 || n < min {
+			min = n
+		}
+	}
+	if min <= 0 {
+		return lines
+	}
+	result := make([]string, len(lines))
+	for i, line := range lines {
+		if len(line) <= min {
+			result[i] = ""
+		} else {
+			result[i] = line[min:]
+		}
+	}
+	return result
+}
+
+func buildFullMap(g *Game, roomID, mapWidth, mapHeight int) []string {
+	mg := buildGraph(g, roomID)
+
+	grid := make([][]rune, mapHeight)
+	for i := range grid {
+		grid[i] = make([]rune, mapWidth)
+		for j := range grid[i] {
+			grid[i][j] = ' '
+		}
+	}
+
+	cx := mapWidth / 2
+	cy := mapHeight / 2
+
+	for pos, rid := range mg.posToRoom {
+		gr := cy + pos[1]*2
+		gc := cx + pos[0]*2
+		if gr < 0 || gr >= mapHeight || gc < 0 || gc >= mapWidth {
+			continue
+		}
+		if rid == roomID {
+			grid[gr][gc] = '@'
+		} else {
+			grid[gr][gc] = roomMapSymbol(g, rid)
+		}
+	}
+
+	for pos, rid := range mg.posToRoom {
+		x, y := pos[0], pos[1]
+
+		if rightID, ok := mg.posToRoom[[2]int{x + 1, y}]; ok {
+			if exitsConnect(g, rid, rightID, world.East, world.West) {
+				gr := cy + y*2
+				gc := cx + x*2 + 1
+				if gr >= 0 && gr < mapHeight && gc >= 0 && gc < mapWidth {
+					grid[gr][gc] = '─'
+				}
+			}
+		}
+
+		if bottomID, ok := mg.posToRoom[[2]int{x, y + 1}]; ok {
+			if exitsConnect(g, rid, bottomID, world.South, world.North) {
+				gr := cy + y*2 + 1
+				gc := cx + x*2
+				if gr >= 0 && gr < mapHeight && gc >= 0 && gc < mapWidth {
+					grid[gr][gc] = '│'
+				}
+			}
+		}
+	}
+
+	lines := make([]string, mapHeight)
+	for i := range grid {
+		lines[i] = string(grid[i])
+	}
+	return lines
+}