graphics computer -- working sprite system

Former-commit-id: eedad5c99d0d8fa1d74a7a5b4e6250017d55163b
Former-commit-id: 0dc08e778cca3300ffc6f696ba395eb8ca2b154b

src/net/torvald/terrarum/StateGraphicComputerTest.kt

@@ -0,0 +1,73 @@
+package net.torvald.terrarum
+
+import net.torvald.random.HQRNG
+import net.torvald.terrarum.gameactors.roundInt
+import net.torvald.terrarum.virtualcomputer.computer.BaseTerrarumComputer
+import net.torvald.terrarum.virtualcomputer.peripheral.PeripheralVideoCard
+import net.torvald.terrarum.virtualcomputer.terminal.GraphicsTerminal
+import org.lwjgl.opengl.GL11
+import org.newdawn.slick.GameContainer
+import org.newdawn.slick.Graphics
+import org.newdawn.slick.state.BasicGameState
+import org.newdawn.slick.state.StateBasedGame
+import java.util.*
+
+/**
+ * Created by SKYHi14 on 2017-02-23.
+ */
+class StateGraphicComputerTest : BasicGameState() {
+    val computer = BaseTerrarumComputer(8)
+    val monitor = GraphicsTerminal(computer)
+
+    init {
+        val videocard = PeripheralVideoCard()
+        monitor.attachVideoCard(videocard)
+
+        computer.attachTerminal(monitor)
+        computer.attachPeripheral(videocard)
+    }
+
+    override fun init(container: GameContainer?, game: StateBasedGame?) {
+        val sprite = (computer.getPeripheral("ppu") as PeripheralVideoCard).vram.sprites[0]
+
+        sprite.setLine(0, intArrayOf(1,1,0,0,0,0,3,3))
+        sprite.setLine(1, intArrayOf(1,1,0,0,0,0,3,3))
+        sprite.setLine(2, intArrayOf(1,1,0,0,0,0,1,1))
+        sprite.setLine(3, intArrayOf(1,1,1,1,1,1,1,1))
+        sprite.setLine(4, intArrayOf(1,1,1,1,1,1,1,1))
+        sprite.setLine(5, intArrayOf(0,0,0,0,0,0,1,1))
+        sprite.setLine(6, intArrayOf(2,2,0,0,0,0,1,1))
+        sprite.setLine(7, intArrayOf(2,2,0,0,0,0,1,1))
+
+    }
+
+    var angle = 0.0
+
+    override fun update(container: GameContainer, game: StateBasedGame?, delta: Int) {
+        Terrarum.appgc.setTitle("VT — F: ${container.fps}" +
+                                " — M: ${Terrarum.memInUse}M / ${Terrarum.memTotal}M / ${Terrarum.memXmx}M")
+        monitor.update(container, delta)
+        computer.update(container, delta)
+
+        val sprite = (computer.getPeripheral("ppu") as PeripheralVideoCard).vram.sprites[0]
+
+        angle += delta / 500.0
+
+        sprite.posX = (Math.cos(angle) * 80 + 100).roundInt()
+        sprite.posY = (Math.sin(angle) * 80 + 100).roundInt()
+
+        sprite.pal0 = (sprite.pal0 + 1) % 65
+        sprite.pal1 = (sprite.pal1 + 1) % 65
+        sprite.pal2 = (sprite.pal2 + 1) % 65
+        sprite.pal3 = (sprite.pal3 + 1) % 65
+
+        sprite.rotation = (angle * 2 / Math.PI).roundInt() % 4
+
+    }
+
+    override fun getID() = Terrarum.STATE_ID_TEST_TTY
+
+    override fun render(container: GameContainer, game: StateBasedGame?, g: Graphics) {
+        monitor.render(container, g)
+    }
+}