Lumenarium/src_v2/lumenarium_first.cpp

122 lines
2.9 KiB
C++

#include "lumenarium_first.h"
#include "user_space/user_space_incenter.cpp"
internal App_State*
lumenarium_init()
{
App_State* state = 0;
permanent = bump_allocator_create_reserve(GB(2));
global_scratch_ = bump_allocator_create_reserve(GB(8));
platform_file_jobs_init();
run_tests();
scratch_get(scratch);
App_Init_Desc desc = incenter_get_init_desc();
// TODO(PS): make sure the values make sense in desc
state = allocator_alloc_struct(permanent, App_State);
add_flag(state->flags, AppState_IsRunning);
add_flag(state->flags, AppState_RunEditor);
state->input_state = input_state_create(permanent);
String exe_file_path = platform_get_exe_path(scratch.a);
u64 run_tree_start = string_find_substring(exe_file_path, lit_str("run_tree"), 0, StringMatch_FindLast);
u64 run_tree_end = run_tree_start + lit_str("run_tree").len;
String run_tree_path = string_get_prefix(exe_file_path, run_tree_end);
String run_tree_path_nullterm = string_copy(run_tree_path, scratch.a);
platform_pwd_set(run_tree_path_nullterm);
en_init(state, desc);
if (has_flag(state->flags, AppState_RunEditor))
{
ed_init(state);
}
incenter_init(state);
return state;
}
internal void
lumenarium_frame_prepare(App_State* state)
{
allocator_clear(global_scratch_);
input_state_swap_frames(state->input_state);
en_frame_prepare(state);
if (has_flag(state->flags, AppState_RunEditor))
{
ed_frame_prepare(state);
}
incenter_frame_prepare(state);
platform_file_async_jobs_do_work(4, (u8*)state);
}
internal void
lumenarium_frame(App_State* state)
{
en_frame(state);
if (has_flag(state->flags, AppState_RunEditor))
{
ed_frame(state);
}
incenter_frame(state);
}
internal void
lumenarium_event(Platform_Window_Event evt, App_State* state)
{
Input_Frame* frame = state->input_state->frame_hot;
switch (evt.kind)
{
case WindowEvent_MouseScroll:
{
frame->mouse_scroll = evt.scroll_amt;
} break;
case WindowEvent_MouseMoved:
{
v2 mouse_pos_old = frame->mouse_pos;
frame->mouse_pos = v2{ (r32)evt.mouse_x, (r32)evt.mouse_y };
state->input_state->mouse_pos_delta = frame->mouse_pos - mouse_pos_old;
} break;
case WindowEvent_ButtonDown:
case WindowEvent_ButtonUp:
{
frame->key_flags[evt.key_code] = evt.key_flags;
if (evt.key_code == KeyCode_MouseLeftButton)
{
state->input_state->mouse_pos_down = v2{
(r32)evt.mouse_x, (r32)evt.mouse_y
};
}
} break;
case WindowEvent_Char:
{
frame->string_input[frame->string_input_len++] = evt.char_value;
} break;
case WindowEvent_WindowClosed:
{
rem_flag(state->flags, AppState_IsRunning);
} break;
invalid_default_case;
}
}
internal void
lumenarium_cleanup(App_State* state)
{
incenter_cleanup(state);
en_cleanup(state);
if (has_flag(state->flags, AppState_RunEditor))
{
ed_cleanup(state);
}
}