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#include "player-input.hpp"
#include "window.hpp"
#include "game-settings.hpp"
#include <chrono>
GLFWcursorenterfun prevCursorEnterCallback;
GLFWcursorposfun prevCursorPosCallback;
GLFWkeyfun prevKeyCallback;
GLFWmousebuttonfun prevMouseButtonCallback;
GLFWscrollfun prevScrollCallback;
GLFWwindowfocusfun prevWindowFocusCallback;
TypeSafeInt_B(InputEventHash);
TypeSafeInt_B(InputEventType);
TypeSafeInt_B(InputCursorEntered);
TypeSafeInt_B(InputKeyboardKeyAction);
TypeSafeInt_B(InputMouseButtonAction);
TypeSafeInt_B(InputWindowFocused);
DynArray<PkeInputEvent> UnhandledPkeInputEvents{0, nullptr};
bool PkeInput_Query(const PkeInputEvent &mask) {
auto count = UnhandledPkeInputEvents.Count();
for (long i = 0; i < count; ++i) {
const auto &ev = UnhandledPkeInputEvents[i];
// TODO this could probably be reduced to a single & op
// - if we exclude x, y, button, scanCode, and mods
// there are less than 64 options total
if (!(mask.type == ev.type)) continue;
if (!(mask.tickCount == ev.tickCount)) continue;
if (!(mask.cursorEntered == ev.cursorEntered)) continue;
if (!(mask.keyboardKeyAction == ev.keyboardKeyAction)) continue;
if (!(mask.mouseButtonAction == ev.mouseButtonAction)) continue;
if (!(mask.windowFocused == ev.windowFocused)) continue;
if (!(mask.x == ev.x)) continue;
if (!(mask.y == ev.y)) continue;
if (!(mask.button == ev.button)) continue;
if (!(mask.scanCode == ev.scanCode)) continue;
if (!(mask.mods == ev.mods)) continue;
UnhandledPkeInputEvents.Remove(i);
return true;
}
return false;
}
void PkeInput_Tick(double delta) {
// If we haven't handled an event within two seconds, we probably don't need it
static GameTimeDuration eventExpiration(std::chrono::seconds(2));
int64_t removeCount = 0;
int64_t unhandledCount = UnhandledPkeInputEvents.Count();
auto expiredTime = pkeSettings.steadyClock.now() - eventExpiration;
for (int64_t i = 0; i < unhandledCount; ++i) {
auto &ev = UnhandledPkeInputEvents[i];
ev.tickCount += 1;
if (ev.timePoint < expiredTime) {
removeCount += 1;
}
}
if (removeCount > 0) {
UnhandledPkeInputEvents.Remove(0, removeCount);
}
}
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;
ev.tickCount = 0;
if (prevCursorEnterCallback) {
prevCursorEnterCallback(window, entered);
}
}
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;
ev.tickCount = 0;
if (prevCursorPosCallback) {
prevCursorPosCallback(window, xPos, yPos);
}
}
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;
ev.tickCount = 0;
if (prevKeyCallback) {
prevKeyCallback(window, key, scancode, action, 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;
ev.tickCount = 0;
if (prevMouseButtonCallback) {
prevMouseButtonCallback(window, button, action, 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;
ev.tickCount = 0;
if (prevScrollCallback) {
prevScrollCallback(window, xOffset, yOffset);
}
}
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;
ev.tickCount = 0;
if (prevWindowFocusCallback) {
prevWindowFocusCallback(window, focused);
}
}
void PkeInput_Init() {
prevCursorEnterCallback = glfwSetCursorEnterCallback(window, CursorEnterCallback);
prevCursorPosCallback = glfwSetCursorPosCallback(window, CursorPosCallback);
prevKeyCallback = glfwSetKeyCallback(window, KeyCallback);
prevMouseButtonCallback = glfwSetMouseButtonCallback(window, MouseButtonCallback);
prevScrollCallback = glfwSetScrollCallback(window, ScrollCallback);
prevWindowFocusCallback = glfwSetWindowFocusCallback(window, WindowFocusCallback);
}
void PkeInput_Teardown() {
UnhandledPkeInputEvents.~DynArray();
if (prevWindowFocusCallback) { glfwSetWindowFocusCallback(window, prevWindowFocusCallback); }
if (prevScrollCallback) { glfwSetScrollCallback(window, prevScrollCallback); }
if (prevMouseButtonCallback) { glfwSetMouseButtonCallback(window, prevMouseButtonCallback); }
if (prevKeyCallback) { glfwSetKeyCallback(window, prevKeyCallback); }
if (prevCursorPosCallback) { glfwSetCursorPosCallback(window, prevCursorPosCallback); }
if (prevCursorEnterCallback) { glfwSetCursorEnterCallback(window, prevCursorEnterCallback); }
}
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