vn/code/vn.cpp

230 lines
5.9 KiB
C++

#include "vn_platform.h"
#include "vn_platform.cpp"
#define STB_IMAGE_IMPLEMENTATION
#include "third_party/stb_image.h"
#if VN_INTERNAL
struct debug_settings
{
b32 RenderUIDebugRects;
b32 RenderFPSCounter;
b32 ListHotAndActive;
b32 ShowWelcomeMessage;
};
global debug_settings *DEBUG_DebugSettings = 0;
#endif
#include "generated/vn_character.meta.h"
#include "vn_asset.h"
#include "vn_tokenizer.h"
#include "vn_config.h"
#include "vn_font.h"
#include "vn_text_op.h"
#include "vn_ui.h"
#include "vn_ui_utils.h"
#include "vn_scene2.h"
#include "vn_scene_view.h"
#include "vn_animation_curve.h"
#include "vn_theme_dark.h"
#if VN_INTERNAL
#include "vn_workspace.h"
#include "vn_debug_info.h"
global vn_render_commands *GlobalRenderCommands = 0;
#endif
#include "generated/vn_character.meta.c"
#include "vn_asset.cpp"
#include "vn_tokenizer.cpp"
#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_scene2.cpp"
#include "vn_scene_view.cpp"
#if VN_INTERNAL
#include "vn_workspace.cpp"
#include "vn_debug_info.cpp"
#endif
struct vn_state
{
arena *Arena;
arena *FrameArena;
assets Assets;
glyph_atlas *GlyphAtlas;
config *Config;
ui UI;
animation_curve_state AnimationCurveState;
b32 EditorMode;
scene_view SceneView;
#if VN_INTERNAL
debug_info *DebugInfo;
workspace Workspace;
debug_settings DebugSettings;
#endif
};
VN_UPDATE_AND_RENDER(VN_UpdateAndRender)
{
SetThreadContext(ThreadContext);
Platform = Memory->PlatformAPI;
#if VN_INTERNAL
GlobalRenderCommands = RenderCommands;
#endif
vn_state *State = Memory->State;
//- sixten: initialize application state
if(!Memory->State)
{
arena *Arena = ArenaAlloc(Kilobytes(24), true, "VN State Arena");
State = Memory->State = PushStruct(Arena, vn_state);
State->Arena = Arena;
State->FrameArena = ArenaAlloc(Kilobytes(1), true, "VN Frame Arena");
State->GlyphAtlas = F_CreateGlyphAtlas(RenderCommands, 2048, 128);
State->Config = CreateConfig();
//- sixten: load assets
State->Assets.AllocateTexture = RenderCommands->AllocateTexture;
LoadPermanentAssets(&State->Assets);
//- sixten: setup config binds and load current config
{
Config_BindS32(State->Config, StrLit("Platform/RefreshRate"), &Input->RefreshRate, 60);
#if VN_INTERNAL
State->DebugInfo = DI_DebugInfoAlloc();
DEBUG_DebugSettings = &State->DebugSettings;
Config_BindB32(State->Config, StrLit("Dev/RenderUIDebugRects"), &DEBUG_DebugSettings->RenderUIDebugRects, 0);
Config_BindB32(State->Config, StrLit("Dev/RenderFPSCounter"), &DEBUG_DebugSettings->RenderFPSCounter, 0);
Config_BindB32(State->Config, StrLit("Dev/ListHotAndActive"), &DEBUG_DebugSettings->ListHotAndActive, 0);
Config_BindB32(State->Config, StrLit("Dev/ShowWelcomeMessage"), &DEBUG_DebugSettings->ShowWelcomeMessage, 1);
#endif
Config_ReadFile(State->Config, StrLit("config.vn"));
}
SV_Init(&State->SceneView);
UI_Init(&State->UI);
AC_Init(&State->AnimationCurveState);
#if VN_INTERNAL
W_Init(&State->Workspace);
#endif
//- sixten: load startup scene
temp Scratch = GetScratch();
compiled_scene2 Scene = S2_CompiledFromString(Scratch.Arena, Platform_ReadEntireFile(Scratch.Arena, StrLit("data/while_test.vns")));
SV_SetCurrentSource(&Scene);
ReleaseScratch(Scratch);
return;
}
#if VN_INTERNAL
DI_BeginFrame(State->DebugInfo);
DEBUG_DebugSettings = &State->DebugSettings;
#endif
//- sixten: begin new frame
ArenaClear(State->FrameArena);
SetAssets(&State->Assets);
AC_NewFrame(&State->AnimationCurveState, Input->dtForFrame);
UI_NewFrame(&State->UI, Input->EventList, Input->MouseP, Input->dtForFrame, State->GlyphAtlas);
SV_NewFrame(&State->SceneView, Input->EventList, Input->dtForFrame);
//- sixten: check for toggle between modes
if(Platform_KeyPress(Input->EventList, Key_Return, PlatformModifier_Ctrl))
{
State->EditorMode = !State->EditorMode;
}
//- sixten: update the scene
SV_Update(State->FrameArena);
//- sixten: build the ui
UI_BeginBuild(RenderCommands->RenderDim);
{
#if VN_INTERNAL
DI_BuildInfo();
if(State->EditorMode)
{
W_Update(&State->Workspace, RenderCommands, Input, State->GlyphAtlas);
}
else
{
#endif
SV_BuildSceneView(Input);
#if VN_INTERNAL
}
#endif
}
UI_EndBuild();
//- sixten: consume all remaining evetns
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);
}
//- sixten: render the frame
{
render_group Group = BeginRenderGroup(RenderCommands);
PushClear(&Group, V3R32(0.1, 0.1, 0.1));
UI_RenderFrame(&Group, State->GlyphAtlas);
#if VN_INTERNAL
r32 DEBUGDisplayOffsetY = 20;
if(DEBUG_DebugSettings->ListHotAndActive)
{
PushText(&Group, State->GlyphAtlas, Font_Regular, V2R32(5, RenderCommands->RenderDim.y - DEBUGDisplayOffsetY), 15, Color_Grey,
PushFormat(State->UI.FrameArena, "Hot: %S:%llu", UI_BoxStringFromKey(UI_HotKey()), UI_HotKey()));
DEBUGDisplayOffsetY += 20;
PushText(&Group, State->GlyphAtlas, Font_Regular, V2R32(5, RenderCommands->RenderDim.y - DEBUGDisplayOffsetY), 15, Color_Grey,
PushFormat(State->UI.FrameArena, "Active: %S:%llu", UI_BoxStringFromKey(UI_ActiveKey()), UI_ActiveKey()));
DEBUGDisplayOffsetY += 20;
}
if(DEBUG_DebugSettings->RenderFPSCounter)
{
PushText(&Group, State->GlyphAtlas, Font_Regular, V2R32(5, RenderCommands->RenderDim.y - DEBUGDisplayOffsetY), 15, Color_Grey,
PushFormat(State->UI.FrameArena, "FPS: %.2f", 1.0f/Input->dtForFrame));
DEBUGDisplayOffsetY += 20;
}
#endif
#if VN_INTERNAL
DI_EndFrame();
#endif
}
}