Create platform layer and implement Windows

Author: atxi

polymer/CMakeLists.txt

@@ -27,7 +27,7 @@ include_directories(polymer PRIVATE ..)
 
 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
   # Ignore VMA nullability warnings
-  set(CMAKE_CXX_FLAGS "${CMAKE_CPP_FLAGS} -Wno-nullability-completeness -Wplacement-new=")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CPP_FLAGS} -Wno-nullability-completeness")
 endif()
 
 if (UNIX)

polymer/gamestate.h

@@ -4,6 +4,7 @@
 #include <polymer/asset/asset_system.h>
 #include <polymer/camera.h>
 #include <polymer/connection.h>
+#include <polymer/input.h>
 #include <polymer/render/block_mesher.h>
 #include <polymer/render/chunk_renderer.h>
 #include <polymer/render/font_renderer.h>
@@ -17,18 +18,6 @@ namespace polymer {
 
 struct MemoryArena;
 
-// TODO: Make this more advanced
-struct InputState {
-  bool forward;
-  bool backward;
-  bool left;
-  bool right;
-  bool climb;
-  bool fall;
-  bool sprint;
-  bool display_players;
-};
-
 struct Player {
   char name[17];
   char uuid[16];

polymer/input.h

@@ -0,0 +1,17 @@
+#pragma once
+
+namespace polymer {
+
+// TODO: Make this more advanced
+struct InputState {
+  bool forward;
+  bool backward;
+  bool left;
+  bool right;
+  bool climb;
+  bool fall;
+  bool sprint;
+  bool display_players;
+};
+
+} // namespace polymer

polymer/platform/args.h

@@ -62,7 +62,7 @@ struct ArgParser {
   static ArgParser Parse(int argc, char* argv[]) {
     ArgParser result = {};
 
-    for (int i = 0; i < argc; ++i) {
+    for (int i = 0; i < argc && i < polymer_array_count(args); ++i) {
       char* current = argv[i];
 
       if (current[0] == '-') {

polymer/platform/platform.h

@@ -0,0 +1,41 @@
+#pragma once
+
+#include <polymer/math.h>
+#include <polymer/render/vulkan.h>
+
+namespace polymer {
+
+using PolymerWindow = void*;
+
+struct ExtensionRequest {
+  const char** extensions;
+  u32 extension_count = 0;
+
+  const char** device_extensions;
+  u32 device_extension_count = 0;
+
+  const char** validation_layers;
+  u32 validation_layer_count = 0;
+};
+
+using PlatformGetPlatformName = const char* (*)();
+
+using PlatformWindowCreate = PolymerWindow (*)(int width, int height);
+using PlatformWindowCreateSurface = bool (*)(PolymerWindow window, VkSurfaceKHR* surface);
+using PlatformWindowGetRect = IntRect (*)(PolymerWindow window);
+using PlatformWindowPump = void (*)(PolymerWindow window);
+
+using PlatformGetExtensionRequest = ExtensionRequest (*)();
+
+struct Platform {
+  PlatformGetPlatformName GetPlatformName;
+
+  PlatformWindowCreate WindowCreate;
+  PlatformWindowCreateSurface WindowCreateSurface;
+  PlatformWindowGetRect WindowGetRect;
+  PlatformWindowPump WindowPump;
+
+  PlatformGetExtensionRequest GetExtensionRequest;
+};
+
+} // namespace polymer