Game2DLayer.h

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#ifndef H_GAME2DLAYER
#define H_GAME2DLAYER
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include "IntTypes.h"
#include "DynArray.h"
#include "HandleDefs.h"
#include <cglm/cglm.h>
#include "InputContext.h"
#include "FreeLookCameraMode.h"
#include "Entity2DCollection.h"
 
#define MAX_GAME_LAYER_ASSET_FILE_PATH_LEN 128
 
typedef struct InputMapping InputMapping;
 
struct GameFrameworkEventListener;
 
struct GameLayer2DData;
struct BinarySerializer;
 
typedef void (*PreFirstInitFn)(struct GameLayer2DData* pGameLayerData);
typedef void (*PreLoadLevelFn)(struct GameLayer2DData* pGameLayerData);
 
typedef void (*LevelDataPacketExtenderFn)(struct GameLayer2DData* pGameLayerData, struct BinarySerializer* pBS);
 
typedef void (*LevelDataRequestHandlerExtenderFn)(struct GameLayer2DData* pGameLayerData, struct BinarySerializer* pBS);
 
typedef void (*LevelDataHandlerExtenderFn)(struct GameLayer2DData* pGameLayerData, struct BinarySerializer* pBS);
 
 
struct GameFrameworkLayer;
struct DrawContext;
typedef struct DrawContext DrawContext;
 
// the real type of this should be hSprite ie u32 but i want to save memory so u16 it is - that 
// should be enough for anyone - just store the tiles in the first 16 bits worth of indexes
 
 
struct Transform2D
{
    vec2 position;
    vec2 scale;
    float rotation;
    bool bMirrored;
};
 
struct TilemapRenderData;
struct TilemapLayerRenderData;
 
enum ObjectLayer2DDrawOrder
{
    DrawOrder_TopDown,
    DrawOrder_Index 
};
 
struct TileMapLayer
{
    struct TilemapLayerRenderData* pRenderData;
    struct Transform2D transform;
    int tileWidthPx;
    int tileHeightPx;
    int widthTiles;
    int heightTiles;
    bool bIsObjectLayer;
    enum ObjectLayer2DDrawOrder drawOrder;
    TileIndex* Tiles;
    u32 type;
};
 
struct TileMap
{
    VECTOR(struct TileMapLayer) layers;
    char* dataFilePath;
    struct TilemapRenderData* pRenderData;
};
 
struct GameLayer2DData
{
    struct GameFrameworkLayer* pLayer;
 
    HEntity2DQuadtreeNode hEntitiesQuadTree;
 
    hAtlas hAtlas;
 
    struct TileMap tilemap;
 
    bool bLoaded;
 
    bool bFreeLookMode;
 
    struct Transform2D camera;
 
    int cameraClampedToTilemapLayer;
 
    struct FreeLookCameraModeControls freeLookCtrls;
 
    VECTOR(struct Worldspace2DVert) pWorldspaceVertices;
    VECTOR(VertIndexT) pWorldspaceIndices;
    H2DWorldspaceVertexBuffer vertexBuffer;
 
    char atlasFilePath[MAX_GAME_LAYER_ASSET_FILE_PATH_LEN];
    
    char tilemapFilePath[MAX_GAME_LAYER_ASSET_FILE_PATH_LEN];
 
    bool bDebugLayerAttatched;
 
    char debugMsg[256];
 
    struct GameFrameworkEventListener* pDebugListener;
 
    int windowW;
 
    int windowH;
 
    HPhysicsWorld hPhysicsWorld;
 
    struct Entity2DCollection entities;
 
    void* pUserData;
 
    PreFirstInitFn preFirstInitCallback;
 
    PreLoadLevelFn preLoadLevelFn;
 
    DrawContext* pDrawContext;
 
    /*
        
    */
    bool bSkipDraw;
 
    bool bCurrentLocationIsDirty;
 
    LevelDataPacketExtenderFn levelDataPacketExtender;
 
    LevelDataRequestHandlerExtenderFn levelDataRequestHandlerExtender;
 
    LevelDataHandlerExtenderFn levelDataHandlerExtender;
};
 
struct Game2DLayerOptions
{
 
    const char* atlasFilePath;
    
    const char* levelFilePath;
    
};
 
void TilemapLayer_GetTLBR(vec2 tl, vec2 br, struct TileMapLayer* pTMLayer);
 
void Game2DLayer_Get(struct GameFrameworkLayer* pLayer, struct Game2DLayerOptions* pOptions, DrawContext* pDC);
 
void Game2DLayer_SaveLevelFile(struct GameLayer2DData* pData, const char* outputFilePath);
 
void GameLayer2D_OnPush(struct GameFrameworkLayer* pLayer, DrawContext* drawContext, InputContext* inputContext);
 
void Game2DLayer_OnPop(struct GameFrameworkLayer* pLayer, DrawContext* drawContext, InputContext* inputContext);
 
#ifdef __cplusplus
}
#endif
 
#endif // !H_GAME2DLAYER