system_consts.h

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#pragma once
 
#include <SDL3/SDL.h>
#include <cstdint>
 
namespace Olympe {
 
// ============================================================================
// PIN COLORS
// ============================================================================
 
namespace SystemColors {
 
    /**
     * @brief White color for execution flow (exec) pins and connections.
     * Used for triangle-shaped pins representing control flow.
     */
    constexpr uint32_t EXEC_PIN_COLOR = 0xFFFFFFFF;  // RGBA: White
 
    /**
     * @brief Violet color for data pins and connections.
     * Used for circle-shaped pins representing data flow.
     */
    constexpr uint32_t DATA_PIN_COLOR = 0xB464C8FF;  // RGBA: RGB(180, 100, 200)
 
    /**
     * @brief Alternative white color for exec connections (Bezier curves).
     * Same as EXEC_PIN_COLOR but used explicitly for link rendering.
     */
    constexpr uint32_t EXEC_CONNECTION_COLOR = 0xFFFFFFFF;  // White
 
    /**
     * @brief Alternative violet color for data connections (Bezier curves).
     * Same as DATA_PIN_COLOR but used explicitly for link rendering.
     */
    constexpr uint32_t DATA_CONNECTION_COLOR = 0xB464C8FF;  // Violet
 
    // ============================================================================
    // BEHAVIOR TREE NODE COLORS
    // ============================================================================
 
    /**
     * @brief Green color for Root node (entry point of behavior tree).
     * Indicates the primary execution tree entry point.
     */
    constexpr uint32_t BT_ROOT_NODE_COLOR = 0x00FF00FF;  // RGBA: Green
 
    /**
     * @brief Orange color for OnEvent nodes (event-driven execution).
     * Indicates nodes that execute in response to EventQueue messages.
     */
    constexpr uint32_t BT_ONEVENT_NODE_COLOR = 0xFF8844FF;  // RGBA: RGB(255, 136, 68)
 
    /**
     * @brief Yellow color for RandomSelector composite nodes.
     * Indicates non-deterministic execution (random child selection).
     */
    constexpr uint32_t BT_RANDOM_NODE_COLOR = 0xFFFF00FF;  // RGBA: Yellow
 
    /**
     * @brief Magenta color for ParallelThreshold composite nodes.
     * Indicates parallel execution with success/failure thresholds.
     */
    constexpr uint32_t BT_THRESHOLD_NODE_COLOR = 0xFF00FFFF;  // RGBA: Magenta
 
    /**
     * @brief Cyan color for Monitor decorator nodes.
     * Indicates continuous condition monitoring during child execution.
     */
    constexpr uint32_t BT_MONITOR_NODE_COLOR = 0x00FFFFFF;  // RGBA: Cyan
 
    /**
     * @brief Orange-red color for SendMessage action nodes.
     * Indicates nodes that emit events to the EventQueue system.
     */
    constexpr uint32_t BT_SENDMESSAGE_ACTION_COLOR = 0xFF4422FF;  // RGBA: RGB(255, 68, 34)
 
    /**
     * @brief Helper function to extract ImU32 color (ImGui format).
     * ImGui uses ABGR format, so we need to swizzle RGBA to ABGR.
     */
    static inline uint32_t ToImU32_ABGR(uint32_t rgbaColor)
    {
        // Input: 0xRRGGBBAA
        // Output: 0xAABBGGRR (ImGui expects ABGR)
        uint8_t r = (rgbaColor >> 24) & 0xFF;
        uint8_t g = (rgbaColor >> 16) & 0xFF;
        uint8_t b = (rgbaColor >> 8) & 0xFF;
        uint8_t a = rgbaColor & 0xFF;
        return (a << 24) | (b << 16) | (g << 8) | r;
    }
 
} // namespace SystemColors
 
} // namespace Olympe
 
constexpr double k_PI = 3.14159265358979323846;
 
// Configuration: defaults
static const int DEFAULT_WINDOW_WIDTH = 800;
static const int DEFAULT_WINDOW_HEIGHT = 600;
 
static const short MAX_PLAYERS = 8;
 
// Event domain types for routing events to appropriate systems
enum class EventDomain
{
    Input = 0,
    UI,
    Gameplay,
    System,
    Camera,
    Viewport,
    Detection,
    Collision,
    All
};
 
// Event structure types
// Used to identify the source/type of event messages
enum class EventStructType
{
    EventStructType_Default = -1,
    EventStructType_System_Windows = 0,
    EventStructType_SDL,
    EventStructType_Olympe,
    EventStructType_All
};
 
// Olympe engine message identifiers
enum class EventType
{
    Olympe_EventType_Default = -1,
    // -------- GAME OBJECTS MESSAGES ----------
    Olympe_EventType_Object_Activate = 0, // object activation 
    Olympe_EventType_Object_Deactivate,
    Olympe_EventType_Object_CollideEvent,
    Olympe_EventType_Object_UncollideEvent,
    Olympe_EventType_Object_CollideNav,
    Olympe_EventType_Object_UnCollideNav,
    Olympe_EventType_Object_CollideDeathZone, // collision with death zone
 
    //-------- MENU SYSTEM EVENTS ----------
    Olympe_EventType_Menu_Enter,
    Olympe_EventType_Menu_Exit,
    Olympe_EventType_Menu_Validate,
 
    EventType_Hit,
 
    // -------- OBBJECT EVENTS ----------
    Olympe_EventType_Object_Create, 
    Olympe_EventType_Object_Destroy,
    Olympe_EventType_Property_Add,
    Olympe_EventType_Property_Remove,
 
    // -------- LEVEL EVENTS ----------
    Olympe_EventType_Level_Load,
    Olympe_EventType_Level_Unload,
 
    // -------- SECTOR EVENTS ----------    
    Olympe_EventType_SectorToActivate,        // Sector to activate
    Olympe_EventType_SectorToDeactivate,      // Sector to deactivate
 
    // -------- INPUTS EVENTS ----------
    Olympe_EventType_Joystick_AxisMotion,
    Olympe_EventType_Joystick_ButtonDown,
    Olympe_EventType_Joystick_ButtonUp,
    Olympe_EventType_Joystick_Connected,
    Olympe_EventType_Joystick_Disconnected,
 
    Olympe_EventType_Keyboard_KeyDown,
    Olympe_EventType_Keyboard_KeyUp,
    Olympe_EventType_Keyboard_Connected,
    Olympe_EventType_Keyboard_Disconnected,
 
 
    Olympe_EventType_Mouse_ButtonDown,
    Olympe_EventType_Mouse_ButtonUp,
    Olympe_EventType_Mouse_Motion,
    Olympe_EventType_Mouse_Wheel,
    Olympe_EventType_Mouse_Connected,
    Olympe_EventType_Mouse_Disconnected,
 
    // -------- CAMERA EVENT ----------
    Olympe_EventType_Camera_Shake, // shake camera with given parameters intensity, duration (milliseconds)
    Olympe_EventType_Camera_Shake_Stop, // stop camera shake immediately
    Olympe_EventType_Camera_Teleport, // instantly move camera to position of the renderer scene
    Olympe_EventType_Camera_MoveToPosition, // smoothly move camera to position over time using blending (velocity)
    Olympe_EventType_Camera_ZoomTo, // smoothly zoom camera to level over time using blending (velocity)
    Olympe_EventType_Camera_RotateTo, // smoothly rotate camera to angle over time using blending (velocity)
    Olympe_EventType_Camera_Reset, // reset camera to default position/zoom
    Olympe_EventType_Camera_SetBounds, // set camera movement bounds
    Olympe_EventType_Camera_ClearBounds, // clear camera movement bounds
    Olympe_EventType_Camera_Mode_2D, // set camera to free 2D mode
    Olympe_EventType_Camera_Mode_2_5D, // set camera to 2.5D mode (follow target on X axis only)
    Olympe_EventType_Camera_Mode_Isometric, // set camera to isometric mode
    Olympe_EventType_Camera_Target_Follow, // follow an object (given by UID or object pointer or object name)
    Olympe_EventType_Camera_Target_Unfollow, // stop following object, return to free mode
 
    // -------- GAME EVENTS ----------
    Olympe_EventType_Game_Pause, // pause the game from GameMenu
    Olympe_EventType_Game_Resume, // resume the game from GameMenu
    Olympe_EventType_Game_Quit, // quit the game from GameMenu
    Olympe_EventType_Game_Restart, // restart the current level from GameMenu
    Olympe_EventType_Game_AddPlayer, // add a new player (up to 4) param: player id (0..3)
    Olympe_EventType_Game_RemovePlayer, // remove a player param: player id (0..3)
    Olympe_EventType_Game_TakeScreenshot, // take a screenshot of the current frame
    Olympe_EventType_Game_SaveState, // save game state to slot (param: slot id)
    Olympe_EventType_Game_LoadState, // load game state from slot (param: slot id)
 
    // -------- SYSTEM EVENTS ----------
    Olympe_EventType_System_Any, // Any system event registration
 
    // -------- AI STIMULUS EVENTS ----------
    Olympe_EventType_AI_Explosion, // Explosion at position (param1=x, param2=y, state=radius)
    Olympe_EventType_AI_Noise, // Noise/sound at position (param1=x, param2=y, state=intensity)
    Olympe_EventType_AI_DamageDealt, // Damage dealt to entity (targetUid=victim, deviceId=attacker, param1=damage)
    
    Olympe_EventType_Any,
    Olympe_EventType_MAX
};
 
// -------- GRID OVERLAY COLORS (backward compatibility, overridden by GridSettings_data) ----------
static const SDL_Color COLLISION_OVERLAY_COLOR = { 150, 50, 200, 100 };  // Purple
static const SDL_Color NAVIGATION_OVERLAY_COLOR = { 50, 200, 100, 100 }; // Green