borgware-2d/games/tetris/view.h

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#ifndef TETRIS_VIEW_H_
#define TETRIS_VIEW_H_
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#include <stdint.h>
#include "variants.h"
#include "piece.h"
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#include "bucket.h"
/**
* \defgroup TetrisViewTypes View: Data types
*/
/*@{*/
/*********
* types *
*********/
/** presentation modes */
typedef enum tetris_view_mode_t
{
TETRIS_VIMO_PAUSED,
TETRIS_VIMO_RUNNING
}
tetris_view_mode_t;
/** data structure that drives the view module */
typedef struct tetris_view_t
{
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tetris_variant_t const *pVariantMethods; /** variant function pointers */
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void *pVariant; /** associated variant object */
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tetris_bucket_t *pBucket; /** associated bucket */
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tetris_view_mode_t modeCurrent; /** current presentation mode */
tetris_view_mode_t modeOld; /** old presentation mode */
uint8_t nOldLevel; /** for detecting level changes */
tetris_bearing_t nBearing; /** bearing of the bucket */
}
tetris_view_t;
/*@}*/
/**
* \defgroup TetrisInterface View: Interface functions
*/
/*@{*/
/*****************************
* construction/destruction *
*****************************/
/**
* constructs a view for André's borg
* @param pVarMethods associated variant method pointers
* @param pVariantData pointer to variant data object which should be observed
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* @param pBucket pointer to bucket which should be observed
* @return pointer to a newly created view
*/
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tetris_view_t *tetris_view_construct(tetris_variant_t const *const pVarMethods,
void *pVariantData,
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tetris_bucket_t *pBucket);
/**
* destructs a view
* @param pView: pointer to the view to be destructed
*/
void tetris_view_destruct(tetris_view_t *pView);
/***************************
* view related functions *
***************************/
/**
* destructs a view
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* @param w pointer to an int8_t to store the bucket width
* @param h pointer to an int8_t to store the bucket height
*/
void tetris_view_getDimensions(int8_t *w,
int8_t *h);
/**
* sets the view mode (pause or running)
* @param pV pointer to the view whose mode should be set
* @param vm see definition of tetris_view_mode_t
*/
void tetris_view_setViewMode(tetris_view_t *pV, tetris_view_mode_t vm);
/**
* informs a view about changes in the game
* @param pV pointer to the view which should be updated
*/
void tetris_view_update(tetris_view_t *pV);
/**
* shows results after game
* @param pV pointer to the view which should show the results
*/
void tetris_view_showResults(tetris_view_t *pV);
#endif /*TETRIS_VIEW_H_*/
/*@}*/