Font implementation for GDX (issue #4), various format changes on the spritesheets

terrarumsansbitmap/gdx/TextureRegionPack.kt

@@ -0,0 +1,45 @@
+package net.torvald.terrarumsansbitmap.gdx
+
+import com.badlogic.gdx.graphics.Texture
+import com.badlogic.gdx.graphics.g2d.TextureRegion
+
+/**
+ * Created by minjaesong on 2017-06-15.
+ */
+class TextureRegionPack(
+        val texture: Texture,
+        val tileW: Int,
+        val tileH: Int,
+        val hGap: Int = 0,
+        val vGap: Int = 0,
+        val hFrame: Int = 0,
+        val vFrame: Int = 0
+) {
+
+    val regions: Array<TextureRegion>
+
+    private val horizontalCount = (texture.width - 2 * hFrame + hGap) / (tileW + hGap)
+    private val verticalCount = (texture.height - 2 * vFrame + vGap) / (tileH + vGap)
+
+    init {
+        //println("texture: $texture, dim: ${texture.width} x ${texture.height}, grid: $horizontalCount x $verticalCount, cellDim: $tileW x $tileH")
+
+        regions = Array<TextureRegion>(horizontalCount * verticalCount, {
+            val region = TextureRegion()
+            val rx = (it % horizontalCount * (tileW + hGap)) + hFrame
+            val ry = (it / horizontalCount * (tileH + vGap)) + vFrame
+
+            region.setRegion(texture)
+            region.setRegion(rx, ry, tileW, tileH)
+
+            /*return*/region
+        })
+    }
+
+    fun get(x: Int, y: Int) = regions[y * horizontalCount + x]
+
+    fun dispose() {
+        texture.dispose()
+    }
+
+}