release candidate

src/net/torvald/terrarumsansbitmap/gdx/TextureRegionPack.kt

@@ -0,0 +1,82 @@
+/*
+ * Terrarum Sans Bitmap
+ * 
+ * Copyright (c) 2017 Minjae Song (Torvald)
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package net.torvald.terrarumsansbitmap.gdx
+
+import com.badlogic.gdx.files.FileHandle
+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
+) {
+
+    constructor(ref: String, tileW: Int, tileH: Int, hGap: Int = 0, vGap: Int = 0, hFrame: Int = 0, vFrame: Int = 0) :
+            this(Texture(ref), tileW, tileH, hGap, vGap, hFrame, vFrame)
+    constructor(fileHandle: FileHandle, tileW: Int, tileH: Int, hGap: Int = 0, vGap: Int = 0, hFrame: Int = 0, vFrame: Int = 0) :
+            this(Texture(fileHandle), tileW, tileH, hGap, vGap, hFrame, vFrame)
+
+    companion object {
+        /** Intented for Y-down coord system, typically fon Non-GDX codebase */
+        var globalFlipY = false
+    }
+
+    val regions: Array<TextureRegion>
+
+    val horizontalCount = (texture.width - 2 * hFrame + hGap) / (tileW + hGap)
+    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)
+
+            region.flip(false, globalFlipY)
+
+            /*return*/region
+        })
+    }
+
+    fun get(x: Int, y: Int) = regions[y * horizontalCount + x]
+
+    fun dispose() {
+        texture.dispose()
+    }
+
+}