Add imgui based debug window container

1 files changed, 66 insertions, 0 deletions

diff --git a/src/main/kotlin/gui/WindowContainer.kt b/src/main/kotlin/gui/WindowContainer.kt
new file mode 100644
index 0000000..5e101b7
--- /dev/null
+++ b/src/main/kotlin/gui/WindowContainer.kt
@@ -0,0 +1,66 @@
+package gui
+
+import cpu.Cpu
+import glm_.vec4.Vec4
+import gln.checkError
+import imgui.Context
+import imgui.ImGui
+import imgui.destroy
+import imgui.impl.LwjglGL3
+import org.lwjgl.opengl.GL11
+import uno.glfw.GlfwWindow
+import uno.glfw.glfw
+
+class WindowContainer {
+
+  var cpu: Cpu
+
+  init {
+    glfw.init("3.2")
+    cpu = Cpu()
+  }
+
+  val window = GlfwWindow(1280, 720, "KGB - KotlinGameBoy").apply {
+    init()
+  }
+
+
+  fun run() {
+
+    // Enable vsync
+    glfw.swapInterval = 1
+
+    val ctx = Context()
+    LwjglGL3.init(window)
+    ImGui.styleColorsDark()
+
+    window.loop(::mainLoop)
+
+    LwjglGL3.shutdown()
+    ctx.destroy()
+
+    window.destroy()
+    glfw.terminate()
+
+  }
+
+  private fun mainLoop() {
+
+    LwjglGL3.newFrame()
+
+    with(ImGui) {
+      paintDebugWindow()
+      paintEmulationOutputWindow()
+      paintCpuRegisterWindow(cpu.registers)
+    }
+
+    gln.glViewport(window.framebufferSize)
+    gln.glClearColor(Vec4(0.45f, 0.55f, 0.6f, 1f))
+    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT)
+
+    ImGui.render()
+    LwjglGL3.renderDrawData(ImGui.drawData!!)
+
+    checkError("mainLoop")
+  }
+}
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