checkpoint for handling player input

7 files changed, 197 insertions, 14 deletions

diff --git a/src/game-settings.hpp b/src/game-settings.hpp
index 2f7fb26..a624bd6 100644
--- a/src/game-settings.hpp
+++ b/src/game-settings.hpp
@@ -1,6 +1,7 @@
 #ifndef PKE_GAME_SETTINGS_HPP
 #define PKE_GAME_SETTINGS_HPP
 
+#include <chrono>
 #include <cstdint>
 
 struct GameSettings {
@@ -9,6 +10,7 @@ struct GameSettings {
 	bool isFramerateUnlocked = true;
 	bool isShowingEditor = true;
 	bool isRenderingDebug = false;
+	std::chrono::steady_clock steadyClock;
 	int64_t targetFPS = 144;
 	int64_t minFPS = 20;
 	double deltaPerFrame = 1 / double(targetFPS);
diff --git a/src/game-type-defs.hpp b/src/game-type-defs.hpp
new file mode 100644
index 0000000..62d8c6a
--- /dev/null
+++ b/src/game-type-defs.hpp
@@ -0,0 +1,11 @@
+#ifndef PKE_GAME_TYPE_DEFS_HPP
+#define PKE_GAME_TYPE_DEFS_HPP
+
+#include <chrono>
+
+using GameTimeDuration = std::chrono::duration<int64_t, std::nano>;
+using GameTimePoint = std::chrono::steady_clock::time_point;
+#define NANO_DENOM std::chrono::nanoseconds::period::den
+#define NANO_DENOM_DOUBLE double(std::chrono::nanoseconds::period::den)
+
+#endif /* PKE_GAME_TYPE_DEFS_HPP */
diff --git a/src/game.cpp b/src/game.cpp
index 4de3f04..366eee8 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -453,7 +453,6 @@ void RecordImGuiEntityList() {
 				ImGui::PushID(row);
 				ImGui::TableNextRow();
 				ImGui::TableSetColumnIndex(0);
-				char label[32];
 				if (ImGui::Button("Select"))
 					selectedEntity = entity->handle;
 				ImGui::TableSetColumnIndex(1);
diff --git a/src/game.hpp b/src/game.hpp
index 05f22e5..a449ed4 100644
--- a/src/game.hpp
+++ b/src/game.hpp
@@ -1,13 +1,6 @@
 #ifndef PKE_GAME_HPP
 #define PKE_GAME_HPP
 
-#include <chrono>
-
-using GameTimeDuration = std::chrono::duration<int64_t, std::nano>;
-using GameTimePoint = std::chrono::steady_clock::time_point;
-#define NANO_DENOM std::chrono::nanoseconds::period::den
-#define NANO_DENOM_DOUBLE double(std::chrono::nanoseconds::period::den)
-
 void Game_Init();
 void Game_Tick(double delta);
 void Game_Teardown();
diff --git a/src/main.cpp b/src/main.cpp
index a587b88..ec0bf71 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -6,12 +6,14 @@
 #include <thread>
 #include <csignal>
 
+#include "player-input.hpp"
 #include "asset-manager.hpp"
 #include "ecs.hpp"
-#include "game.hpp"
-#include "window.hpp"
 #include "entities.hpp"
 #include "game-settings.hpp"
+#include "game-type-defs.hpp"
+#include "game.hpp"
+#include "window.hpp"
 
 void signal_handler(int signal_num) {
 	printf("Received signal: %d - shutting down\n", signal_num);
@@ -32,13 +34,13 @@ int main() {
 		AM_Init();
 		Game_Init();
 		ECS_Init();
+		PkeInput_Init();
 		CreateWindow(&windowProps);
 		EntityType_Init();
 
-		auto steadyClock = std::chrono::steady_clock();
-		GameTimePoint lastTimePoint = steadyClock.now();
+		GameTimePoint lastTimePoint = pkeSettings.steadyClock.now();
 		double deltaTillNextRender = pkeSettings.deltaPerFrame;
-		GameTimePoint lastLogTimePoint = steadyClock.now();
+		GameTimePoint lastLogTimePoint = pkeSettings.steadyClock.now();
 		int64_t tickCount = 0;
 
 		int64_t nsAhead = 0.0;
@@ -52,7 +54,7 @@ int main() {
 				nsAhead = 0;
 			}
 
-			GameTimePoint currentTimePoint = steadyClock.now();
+			GameTimePoint currentTimePoint = pkeSettings.steadyClock.now();
 			double deltaThisTick = (currentTimePoint - lastTimePoint).count() / NANO_DENOM_DOUBLE;
 			deltaThisTick = std::min(deltaThisTick, pkeSettings.minimumDeltaPerFrame);
 			deltaTillNextRender -= deltaThisTick;
diff --git a/src/player-input.cpp b/src/player-input.cpp
new file mode 100644
index 0000000..148eb22
--- /dev/null
+++ b/src/player-input.cpp
@@ -0,0 +1,119 @@
+
+#include "player-input.hpp"
+#include "window.hpp"
+#include "game-settings.hpp"
+
+TypeSafeInt_B(InputEventHash);
+TypeSafeInt_B(InputEventType);
+TypeSafeInt_B(InputCursorEntered);
+TypeSafeInt_B(InputKeyboardKeyAction);
+TypeSafeInt_B(InputMouseButtonAction);
+TypeSafeInt_B(InputWindowFocused);
+
+DynArray<PkeInputEvent> UnhandledPkeInputEvents{0};
+
+void PkeInput_Tick() { }
+
+void CursorEnterCallback(GLFWwindow *window, int entered) {
+	auto &ev = UnhandledPkeInputEvents.Push();
+	ev.type = PKE_INPUT_EVENT_TYPE_CURSOR_ENTER;
+	ev.timePoint = pkeSettings.steadyClock.now();
+	ev.cursorEntered = InputCursorEntered{static_cast<InputCursorEntered_T>(entered)};
+	ev.keyboardKeyAction = PKE_INPUT_KEYBOARD_KEY_ACTION_UNSET;
+	ev.mouseButtonAction = PKE_INPUT_MOUSE_BUTTON_ACTION_UNSET;
+	ev.windowFocused = PKE_INPUT_WINDOW_FOCUSED_UNSET;
+	ev.x = 0;
+	ev.y = 0;
+	ev.button = 0;
+	ev.scanCode = 0;
+	ev.mods = 0;
+}
+
+void CursorPosCallback(GLFWwindow *window, double xPos, double yPos) {
+	auto &ev = UnhandledPkeInputEvents.Push();
+	ev.type = PKE_INPUT_EVENT_TYPE_CURSOR_POS;
+	ev.timePoint = pkeSettings.steadyClock.now();
+	ev.cursorEntered = PKE_INPUT_CURSOR_ENTERED_UNSET;
+	ev.keyboardKeyAction = PKE_INPUT_KEYBOARD_KEY_ACTION_UNSET;
+	ev.mouseButtonAction = PKE_INPUT_MOUSE_BUTTON_ACTION_UNSET;
+	ev.windowFocused = PKE_INPUT_WINDOW_FOCUSED_UNSET;
+	ev.x = xPos;
+	ev.y = yPos;
+	ev.button = 0;
+	ev.scanCode = 0;
+	ev.mods = 0;
+}
+
+void KeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods) {
+	auto &ev = UnhandledPkeInputEvents.Push();
+	ev.type = PKE_INPUT_EVENT_TYPE_KEY;
+	ev.timePoint = pkeSettings.steadyClock.now();
+	ev.cursorEntered = PKE_INPUT_CURSOR_ENTERED_UNSET;
+	ev.keyboardKeyAction = InputKeyboardKeyAction{static_cast<InputKeyboardKeyAction_T>(action)};
+	ev.mouseButtonAction = PKE_INPUT_MOUSE_BUTTON_ACTION_UNSET;
+	ev.windowFocused = PKE_INPUT_WINDOW_FOCUSED_UNSET;
+	ev.x = 0;
+	ev.y = 0;
+	ev.button = key;
+	ev.scanCode = scancode;
+	ev.mods = mods;
+}
+
+void MouseButtonCallback(GLFWwindow *window, int button, int action, int mods) {
+	auto &ev = UnhandledPkeInputEvents.Push();
+	ev.type = PKE_INPUT_EVENT_TYPE_MOUSE_BUTTON;
+	ev.timePoint = pkeSettings.steadyClock.now();
+	ev.cursorEntered = PKE_INPUT_CURSOR_ENTERED_UNSET;
+	ev.keyboardKeyAction = PKE_INPUT_KEYBOARD_KEY_ACTION_UNSET;
+	ev.mouseButtonAction = InputMouseButtonAction{static_cast<InputMouseButtonAction_T>(action)};
+	ev.windowFocused = PKE_INPUT_WINDOW_FOCUSED_UNSET;
+	ev.x = 0;
+	ev.y = 0;
+	ev.button = button;
+	ev.scanCode = 0;
+	ev.mods = mods;
+}
+
+void ScrollCallback(GLFWwindow *window, double xOffset, double yOffset) {
+	auto &ev = UnhandledPkeInputEvents.Push();
+	ev.type = PKE_INPUT_EVENT_TYPE_SCROLL;
+	ev.timePoint = pkeSettings.steadyClock.now();
+	ev.cursorEntered = PKE_INPUT_CURSOR_ENTERED_UNSET;
+	ev.keyboardKeyAction = PKE_INPUT_KEYBOARD_KEY_ACTION_UNSET;
+	ev.mouseButtonAction = PKE_INPUT_MOUSE_BUTTON_ACTION_UNSET;
+	ev.windowFocused = PKE_INPUT_WINDOW_FOCUSED_UNSET;
+	ev.x = xOffset;
+	ev.y = yOffset;
+	ev.button = 0;
+	ev.scanCode = 0;
+	ev.mods = 0;
+}
+
+void WindowFocusCallback(GLFWwindow *window, int focused) {
+	auto &ev = UnhandledPkeInputEvents.Push();
+	ev.type = PKE_INPUT_EVENT_TYPE_WINDOW_FOCUS;
+	ev.timePoint = pkeSettings.steadyClock.now();
+	ev.cursorEntered = PKE_INPUT_CURSOR_ENTERED_UNSET;
+	ev.keyboardKeyAction = PKE_INPUT_KEYBOARD_KEY_ACTION_UNSET;
+	ev.mouseButtonAction = PKE_INPUT_MOUSE_BUTTON_ACTION_UNSET;
+	ev.windowFocused = InputWindowFocused{static_cast<InputWindowFocused_T>(focused)};
+	ev.x = 0;
+	ev.y = 0;
+	ev.button = 0;
+	ev.scanCode = 0;
+	ev.mods = 0;
+}
+
+void PkeInput_Init() {
+	glfwSetCursorEnterCallback(window, CursorEnterCallback);
+	glfwSetCursorPosCallback(window, CursorPosCallback);
+	glfwSetKeyCallback(window, KeyCallback);
+	glfwSetMouseButtonCallback(window, MouseButtonCallback);
+	glfwSetScrollCallback(window, ScrollCallback);
+	glfwSetWindowFocusCallback(window, WindowFocusCallback);
+}
+
+void PkeInput_Teardown() {
+	UnhandledPkeInputEvents.~DynArray();
+}
+
diff --git a/src/player-input.hpp b/src/player-input.hpp
new file mode 100644
index 0000000..c6429eb
--- /dev/null
+++ b/src/player-input.hpp
@@ -0,0 +1,57 @@
+#ifndef PKE_PLAYER_INPUT_HPP
+#define PKE_PLAYER_INPUT_HPP
+
+#include "dynamic-array.hpp"
+#include "game-type-defs.hpp"
+#include "macros.hpp"
+
+TypeSafeInt_H(InputEventHash, int16_t, 255);
+TypeSafeInt_H(InputEventType, int16_t, 255);
+TypeSafeInt_H(InputCursorEntered, int16_t, 255);
+TypeSafeInt_H(InputKeyboardKeyAction, int16_t, 255);
+TypeSafeInt_H(InputMouseButtonAction, int16_t, 255);
+TypeSafeInt_H(InputWindowFocused, int16_t, 255);
+
+const InputEventType PKE_INPUT_EVENT_TYPE_CURSOR_ENTER = InputEventType{0};
+const InputEventType PKE_INPUT_EVENT_TYPE_CURSOR_POS = InputEventType{1};
+const InputEventType PKE_INPUT_EVENT_TYPE_KEY = InputEventType{2};
+const InputEventType PKE_INPUT_EVENT_TYPE_MOUSE_BUTTON = InputEventType{3};
+const InputEventType PKE_INPUT_EVENT_TYPE_SCROLL = InputEventType{4};
+const InputEventType PKE_INPUT_EVENT_TYPE_WINDOW_FOCUS = InputEventType{5};
+
+const InputCursorEntered PKE_INPUT_CURSOR_ENTERED_UNSET = InputCursorEntered{-1};
+const InputCursorEntered PKE_INPUT_CURSOR_ENTERED_FALSE = InputCursorEntered{0};
+const InputCursorEntered PKE_INPUT_CURSOR_ENTERED_TRUE = InputCursorEntered{1};
+
+const InputKeyboardKeyAction PKE_INPUT_KEYBOARD_KEY_ACTION_UNSET = InputKeyboardKeyAction{-1};
+const InputKeyboardKeyAction PKE_INPUT_KEYBOARD_KEY_ACTION_RELEASE = InputKeyboardKeyAction{0};
+const InputKeyboardKeyAction PKE_INPUT_KEYBOARD_KEY_ACTION_PRESS = InputKeyboardKeyAction{1};
+const InputKeyboardKeyAction PKE_INPUT_KEYBOARD_KEY_ACTION_REPEAT = InputKeyboardKeyAction{2};
+
+const InputMouseButtonAction PKE_INPUT_MOUSE_BUTTON_ACTION_UNSET = InputMouseButtonAction{-1};
+const InputMouseButtonAction PKE_INPUT_MOUSE_BUTTON_ACTION_RELEASE = InputMouseButtonAction{0};
+const InputMouseButtonAction PKE_INPUT_MOUSE_BUTTON_ACTION_PRESS = InputMouseButtonAction{1};
+
+const InputWindowFocused PKE_INPUT_WINDOW_FOCUSED_UNSET = InputWindowFocused{-1};
+const InputWindowFocused PKE_INPUT_WINDOW_FOCUSED_FALSE = InputWindowFocused{0};
+const InputWindowFocused PKE_INPUT_WINDOW_FOCUSED_TRUE = InputWindowFocused{1};
+
+struct PkeInputEvent {
+	InputEventType type;
+	GameTimePoint timePoint;
+	InputCursorEntered cursorEntered;
+	InputKeyboardKeyAction keyboardKeyAction;
+	InputMouseButtonAction mouseButtonAction;
+	InputWindowFocused windowFocused;
+	double x;
+	double y;
+	int32_t button;
+	int32_t scanCode;
+	int32_t mods;
+};
+
+void PkeInput_Tick();
+void PkeInput_Init();
+void PkeInput_Teardown();
+
+#endif /* PKE_PLAYER_INPUT_HPP */