95 lines
3.1 KiB
C++
95 lines
3.1 KiB
C++
internal
|
|
void monitor_key(GLFWwindow *window, u16 *key_state, i32 glfw_key, Input_Key haru_key) {
|
|
u16& state = key_state[haru_key];
|
|
if (glfwGetKey(window, glfw_key) == GLFW_PRESS) {
|
|
if (!(state & KEY_STATE_IS_DOWN)) state |= KEY_STATE_JUST_PRESSED;
|
|
state |= KEY_STATE_IS_DOWN;
|
|
} else if (glfwGetKey(window, glfw_key) == GLFW_RELEASE) {
|
|
if (state & KEY_STATE_IS_DOWN) state |= KEY_STATE_JUST_RELEASED;
|
|
state &= ~KEY_STATE_IS_DOWN;
|
|
}
|
|
}
|
|
|
|
internal
|
|
void monitor_mouse_btn(GLFWwindow *window, u16 *mouse_btn_state, i32 glfw_btn, Mouse_Button haru_btn) {
|
|
u16& state = mouse_btn_state[haru_btn];
|
|
if (glfwGetMouseButton(window, glfw_btn) == GLFW_PRESS) {
|
|
if (!(state & MOUSE_BTN_STATE_IS_DOWN)) state |= MOUSE_BTN_STATE_JUST_PRESSED;
|
|
state |= MOUSE_BTN_STATE_IS_DOWN;
|
|
} else if (glfwGetMouseButton(window, glfw_btn) == GLFW_RELEASE) {
|
|
if (state & MOUSE_BTN_STATE_IS_DOWN) state |= MOUSE_BTN_STATE_JUST_RELEASED;
|
|
state &= ~MOUSE_BTN_STATE_IS_DOWN;
|
|
}
|
|
}
|
|
|
|
internal
|
|
void run_main_loop(GLFWwindow *window, Arena *arena, App_State &app)
|
|
{
|
|
f32 delta_time;
|
|
chr::time_point last_saved_time = chr::high_resolution_clock::now();
|
|
|
|
b8 running = true;
|
|
while (running) {
|
|
chr::time_point frame_start = chr::high_resolution_clock::now();
|
|
u64 time_since_prev_frame_us = chr::duration_cast<chr::microseconds>(frame_start - last_saved_time).count();
|
|
delta_time = time_since_prev_frame_us * 0.000'001f;
|
|
last_saved_time = frame_start;
|
|
|
|
glfwPollEvents();
|
|
|
|
// Update window size
|
|
{
|
|
Window_Data &wdata = app.win_data;
|
|
|
|
i32 prev_width = wdata.width;
|
|
i32 prev_height = wdata.height;
|
|
|
|
glfwGetWindowSize(window, &wdata.width, &wdata.height);
|
|
|
|
wdata.size_just_changed = prev_width != wdata.width || prev_height != wdata.height;
|
|
}
|
|
|
|
ImGui_ImplOpenGL3_NewFrame();
|
|
ImGui_ImplGlfw_NewFrame();
|
|
ImGui::NewFrame();
|
|
|
|
if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS ||
|
|
glfwWindowShouldClose(window))
|
|
{
|
|
running = false;
|
|
break;
|
|
}
|
|
|
|
b32 focused = glfwGetWindowAttrib(window, GLFW_FOCUSED);
|
|
if (focused) {
|
|
// TODO Update keyboard / mouse
|
|
// Update keyboard
|
|
u16 *key_state = app.user_input.key_state;
|
|
monitor_key(window, key_state, GLFW_KEY_Q, KEY_Q);
|
|
monitor_key(window, key_state, GLFW_KEY_UP, KEY_UP);
|
|
monitor_key(window, key_state, GLFW_KEY_DOWN, KEY_DOWN);
|
|
monitor_key(window, key_state, GLFW_KEY_LEFT, KEY_LEFT);
|
|
monitor_key(window, key_state, GLFW_KEY_RIGHT, KEY_RIGHT);
|
|
monitor_key(window, key_state, GLFW_KEY_LEFT_ALT, KEY_ALT);
|
|
monitor_key(window, key_state, GLFW_KEY_TAB, KEY_TAB);
|
|
|
|
// Update mouse
|
|
f64 mposx, mposy;
|
|
glfwGetCursorPos(window, &mposx, &mposy);
|
|
|
|
app.user_input.mouse_pos.x = (i32)mposx;
|
|
app.user_input.mouse_pos.y = (i32)mposy;
|
|
|
|
u16 *mouse_btn_state = app.user_input.mouse_btn_state;
|
|
monitor_mouse_btn(window, mouse_btn_state, GLFW_MOUSE_BUTTON_LEFT, MOUSE_BTN_LEFT);
|
|
monitor_mouse_btn(window, mouse_btn_state, GLFW_MOUSE_BUTTON_RIGHT, MOUSE_BTN_RIGHT);
|
|
}
|
|
|
|
update_and_render(arena, app, delta_time);
|
|
|
|
ImGui::Render();
|
|
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
|
|
|
|
glfwSwapBuffers(window);
|
|
}
|
|
}
|