vn/code/vn.cpp

#include "vn_platform.h"
#include "vn_platform.cpp"

#if VN_INTERNAL

struct debug_settings
{
    b32 RenderUIDebugRects;
    b32 RenderFPSCounter;
    b32 ListHotAndActive;
};

per_thread debug_settings *DEBUG_DebugSettings = 0;

#endif

#include "vn_config.h"
#include "vn_tokenizer.h"
#include "vn_font.h"
#include "vn_text_op.h"
#include "vn_ui.h"
#include "vn_ui_utils.h"
#include "vn_workspace.h"
#include "vn_theme_dark.h"
#include "vn_animation_curve.h"

#include "vn_config.cpp"
#include "vn_render.cpp"
#include "vn_font.cpp"
#include "vn_ui.cpp"
#include "vn_ui_utils.cpp"
#include "vn_animation_curve.cpp"
#include "vn_workspace.cpp"

struct vn_state
{
    memory_arena Arena;
    glyph_atlas *GlyphAtlas;
    
    config *Config;
    
    ui UI;
    workspace Workspace;
    animation_curve_state AnimationCurveState;
    
#if VN_INTERNAL
    debug_settings DebugSettings;
#endif
};

VN_UPDATE_AND_RENDER(VN_UpdateAndRender)
{
    SetThreadContext(ThreadContext);
    Platform = Memory->PlatformAPI;
    
    vn_state *State = Memory->State;
    
    if(!Memory->State)
    {
        State = Memory->State = BootstrapPushStruct(vn_state, Arena);
        
        State->GlyphAtlas = CreateGlyphAtlas(RenderCommands);
        State->Config = BootstrapPushStruct(config, Arena);
        
        // sixten: Setup config binds and load current config.
        {
            Config_BindS32(State->Config, StrLit("Platform/RefreshRate"),   &Input->RefreshRate, 60);
#if VN_INTERNAL
            Config_BindB32(State->Config, StrLit("Dev/RenderUIDebugRects"), &State->DebugSettings.RenderUIDebugRects, 0);
            Config_BindB32(State->Config, StrLit("Dev/RenderFPSCounter"),   &State->DebugSettings.RenderFPSCounter, 0);
            Config_BindB32(State->Config, StrLit("Dev/ListHotAndActive"),   &State->DebugSettings.ListHotAndActive, 0);
#endif
            
            Config_ReadFile(State->Config, StrLit("config.vn"));
        }
        
        Workspace_Init(&State->Workspace);
    }
    
#if VN_INTERNAL
    DEBUG_DebugSettings = &State->DebugSettings;
#endif
    
    AnimationCurve_NewFrame(&State->AnimationCurveState, Input->dtForFrame);
    UI_NewFrame(&State->UI, Input->EventList, Input->MouseP, State->GlyphAtlas);
    
    UI_BeginBuild(RenderCommands->RenderDim);
    {
        Workspace_Update(&State->Workspace, RenderCommands, Input, State->GlyphAtlas);
    }
    UI_EndBuild();
    
    
    for(platform_event *Event = Input->EventList->First;
        Event != 0;
        Event = Event->Next)
    {
        if(Event->Type == PlatformEvent_WindowClose)
        {
            Config_WriteFile(State->Config, StrLit("config.vn"));
            Input->ExitRequested = true;
        }
        
        Platform_ConsumeEvent(Input->EventList, Event);
    }
    
    render_group Group = BeginRenderGroup(RenderCommands);
    PushClear(&Group, V3(0.1, 0.1, 0.1));
    
    UI_RenderFrame(&Group, State->GlyphAtlas);
    
    if(DEBUG_DebugSettings->ListHotAndActive)
    {
        PushText(&Group, State->GlyphAtlas, Font_Regular, V2(5, RenderCommands->RenderDim.y - 20), 15, Color_Grey,
                 PushFormat(&State->UI.FrameArena, "Hot: %S:%llu", UI_GetBoxNameByKey(UI_GetHot()), UI_GetHot()));
        PushText(&Group, State->GlyphAtlas, Font_Regular, V2(5, RenderCommands->RenderDim.y - 40), 15, Color_Grey,
                 PushFormat(&State->UI.FrameArena, "Active: %S:%llu", UI_GetBoxNameByKey(UI_GetActive()), UI_GetActive()));
    }
}