pcb and initial code from https://github.com/das-labor/borgware-2d.git
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122 lines
2.9 KiB
122 lines
2.9 KiB
/**
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* \addtogroup tetris
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* @{
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*/
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/**
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* @file view.c
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* @brief Public interface definitions of Tetris' graphical output routines.
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* @author Christian Kroll
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*/
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#ifndef TETRIS_VIEW_H_
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#define TETRIS_VIEW_H_
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#include <stdint.h>
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#include "bearing.h"
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#include "bucket.h"
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#include "variants.h"
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/*********
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* types *
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*********/
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/** presentation modes */
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enum tetris_view_mode_e
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{
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TETRIS_VIMO_PAUSED,
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TETRIS_VIMO_RUNNING
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};
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#ifdef NDEBUG
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typedef uint8_t tetris_view_mode_t;
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#else
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typedef enum tetris_view_mode_e tetris_view_mode_t;
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#endif
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/** data structure that drives the view module */
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typedef struct tetris_view_s
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{
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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 */
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tetris_view_mode_t modeOld; /** old presentation mode */
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uint8_t nOldLevel; /** for detecting level changes */
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tetris_bearing_t nBearing; /** bearing of the bucket */
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}
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tetris_view_t;
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/*****************************
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* construction/destruction *
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*****************************/
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/**
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* constructs a view for André's borg
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* @param pVarMethods associated variant method pointers
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* @param pVariantData pointer to variant data object which should be observed
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* @param pBucket pointer to bucket which should be observed
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* @return pointer to a newly created view
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*/
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tetris_view_t *tetris_view_construct(tetris_variant_t const *const pVarMethods,
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void *pVariantData,
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tetris_bucket_t *pBucket);
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/**
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* destructs a view
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* @param pView: pointer to the view to be destructed
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*/
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inline static void tetris_view_destruct(tetris_view_t *pView)
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{
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assert(pView != NULL);
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free(pView);
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}
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/***************************
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* view related functions *
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***************************/
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/**
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* destructs a view
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* @param w pointer to an int8_t to store the bucket width
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* @param h pointer to an int8_t to store the bucket height
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*/
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void tetris_view_getDimensions(int8_t *w,
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int8_t *h);
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/**
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* sets the view mode (pause or running)
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* @param pV pointer to the view whose mode should be set
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* @param vm see definition of tetris_view_mode_t
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*/
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inline static void tetris_view_setViewMode(tetris_view_t *const pV,
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tetris_view_mode_t const vm)
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{
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pV->modeOld = pV->modeCurrent;
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pV->modeCurrent = vm;
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}
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/**
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* informs a view about changes in the game
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* @param pV pointer to the view which should be updated
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*/
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void tetris_view_update(tetris_view_t *pV);
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/**
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* shows results after game
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* @param pV pointer to the view which should show the results
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*/
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void tetris_view_showResults(tetris_view_t *pV);
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#endif /*TETRIS_VIEW_H_*/
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/*@}*/
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