mirror of
https://github.com/Valeh2012/PersonalVotingMachine
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1519 lines
37 KiB
C
1519 lines
37 KiB
C
/*
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spacetrash
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A game, which should runs on all displays.
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Copyright (c) 2012, olikraus@gmail.com
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Copyright (c) 2018, olikraus@gmail.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "u8g2.h"
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#include <stdlib.h> // rand
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#include <unistd.h> // usleep
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#define ST_FP 4
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/* object types */
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struct _st_ot_struct
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{
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/*
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missle and hit:
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bit 0: player missle and trash
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bit 1: trash, which might hit the player
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*/
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uint8_t missle_mask; /* this object is a missle: it might destroy something if the target is_hit_fn says so */
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uint8_t hit_mask; /* if missle_mask & hit_mask is != 0 then the object can be destroyed */
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uint8_t points;
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uint8_t draw_fn;
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uint8_t move_fn;
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/* ST_MOVE_FN_NONE, ST_MOVE_FN_X_SLOW */
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uint8_t destroy_fn; /* object can be destroyed by a missle (e.g. a missle from the space ship) */
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/* ST_DESTROY_FN_NONE, ST_DESTROY_FN_SPLIT */
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uint8_t is_hit_fn; /* is hit procedure */
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/* ST_IS_HIT_FN_NONE, ST_IS_HIT_BBOX */
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uint8_t fire_fn;
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/* ST_FIRE_FN_NONE, ST_FIRE_FN_X_LEFT */
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};
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typedef struct _st_ot_struct st_ot;
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/*
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objects, which are visible at the play area
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*/
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struct _st_obj_struct
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{
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uint8_t ot; /* object type: zero means, object is not used */
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int8_t tmp; /* generic value, used by ST_MOVE_IMPLODE */
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/* absolute position */
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/* LCD pixel position is x>>ST_FP and y>>ST_FP */
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int16_t x, y;
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int8_t x0,y0,x1,y1; /* object outline in pixel, reference point is at 0,0 */
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};
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typedef struct _st_obj_struct st_obj;
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#define ST_DRAW_NONE 0
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#define ST_DRAW_BBOX 1
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#define ST_DRAW_TRASH1 2
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#define ST_DRAW_PLAYER1 3
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#define ST_DRAW_TRASH2 4
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#define ST_DRAW_PLAYER2 5
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#define ST_DRAW_PLAYER3 6
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#define ST_DRAW_GADGET 7
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#define ST_DRAW_BACKSLASH 8
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#define ST_DRAW_SLASH 9
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#define ST_DRAW_BIG_TRASH 10
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#define ST_MOVE_NONE 0
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#define ST_MOVE_X_SLOW 1
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#define ST_MOVE_PX_NORMAL 2
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#define ST_MOVE_PX_FAST 3
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#define ST_MOVE_PLAYER 4
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#define ST_MOVE_PY 5
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#define ST_MOVE_NY 6
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#define ST_MOVE_IMPLODE 7
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#define ST_MOVE_X_FAST 8
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#define ST_MOVE_WALL 9
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#define ST_MOVE_NXPY 10
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#define ST_MOVE_NXNY 11
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#define ST_IS_HIT_NONE 0
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#define ST_IS_HIT_BBOX 1
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#define ST_IS_HIT_WALL 2
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#define ST_DESTROY_NONE 0
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#define ST_DESTROY_DISAPPEAR 1
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#define ST_DESTROY_TO_DUST 2
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#define ST_DESTROY_GADGET 3
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#define ST_DESTROY_PLAYER 4
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#define ST_DESTROY_PLAYER_GADGETS 5
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#define ST_DESTROY_BIG_TRASH 6
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#define ST_FIRE_NONE 0
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#define ST_FIRE_PLAYER1 1
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#define ST_FIRE_PLAYER2 2
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#define ST_FIRE_PLAYER3 3
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#define ST_OT_WALL_SOLID 1
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#define ST_OT_BIG_TRASH 2
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#define ST_OT_MISSLE 3
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#define ST_OT_TRASH1 4
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#define ST_OT_PLAYER 5
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#define ST_OT_DUST_PY 6
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#define ST_OT_DUST_NY 7
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#define ST_OT_TRASH_IMPLODE 8
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#define ST_OT_TRASH2 9
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#define ST_OT_PLAYER2 10
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#define ST_OT_PLAYER3 11
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#define ST_OT_GADGET 12
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#define ST_OT_GADGET_IMPLODE 13
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#define ST_OT_DUST_NXPY 14
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#define ST_OT_DUST_NXNY 15
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/*================================================================*/
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/* graphics object */
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/*================================================================*/
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u8g2_t *st_u8g2;
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u8g2_uint_t u8g_height_minus_one;
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#define ST_AREA_HEIGHT (st_u8g2->height - 8)
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#define ST_AREA_WIDTH (st_u8g2->width)
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/*================================================================*/
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/* object types */
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/*================================================================*/
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st_ot st_object_types[] U8X8_PROGMEM =
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{
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/* 0: empty object type */
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{ 0, 0, 0, ST_DRAW_NONE, ST_MOVE_NONE, ST_DESTROY_DISAPPEAR, ST_IS_HIT_NONE, ST_FIRE_NONE },
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/* 1: wall, player will be destroyed */
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{ 2, 1, 30, ST_DRAW_BBOX, ST_MOVE_WALL, ST_DESTROY_DISAPPEAR, ST_IS_HIT_WALL, ST_FIRE_NONE },
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/* ST_OT_BIG_TRASH (2) */
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{ 2, 1, 0, ST_DRAW_BIG_TRASH, ST_MOVE_X_SLOW, ST_DESTROY_BIG_TRASH, ST_IS_HIT_BBOX, ST_FIRE_NONE },
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/* 3: simple space ship (player) missle */
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{ 1, 0, 0, ST_DRAW_BBOX, ST_MOVE_PX_FAST, ST_DESTROY_DISAPPEAR, ST_IS_HIT_NONE, ST_FIRE_NONE },
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/* ST_OT_TRASH1 (4): trash */
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{ 2, 1, 0, ST_DRAW_TRASH1, ST_MOVE_X_SLOW, ST_DESTROY_TO_DUST, ST_IS_HIT_BBOX, ST_FIRE_NONE },
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/* ST_OT_PLAYER (5): player space ship */
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{ 0, 2, 0, ST_DRAW_PLAYER1, ST_MOVE_PLAYER, ST_DESTROY_PLAYER, ST_IS_HIT_BBOX, ST_FIRE_PLAYER1 },
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/* ST_OT_DUST_PY (6): Last part of trash */
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{ 0, 0, 0, ST_DRAW_BBOX, ST_MOVE_PY, ST_DESTROY_NONE, ST_IS_HIT_NONE, ST_FIRE_NONE },
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/* ST_OT_DUST_NY (7): Last part of trash */
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{ 0, 0, 0, ST_DRAW_BBOX, ST_MOVE_NY, ST_DESTROY_NONE, ST_IS_HIT_NONE, ST_FIRE_NONE },
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/* ST_OT_TRASH_IMPLODE (8): trash was hit */
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{ 0, 0, 5, ST_DRAW_TRASH1, ST_MOVE_IMPLODE, ST_DESTROY_NONE, ST_IS_HIT_NONE, ST_FIRE_NONE },
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/* ST_OT_TRASH2 (9): trash */
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{ 2, 1, 0, ST_DRAW_TRASH2, ST_MOVE_X_SLOW, ST_DESTROY_TO_DUST, ST_IS_HIT_BBOX, ST_FIRE_NONE },
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/* ST_OT_PLAYER2 (10): player space ship+1x enhancement */
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{ 0, 2, 0, ST_DRAW_PLAYER2, ST_MOVE_PLAYER, ST_DESTROY_PLAYER_GADGETS, ST_IS_HIT_BBOX, ST_FIRE_PLAYER2 },
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/* ST_OT_PLAYER3 (11): player space ship+2x enhancement */
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{ 0, 2, 0, ST_DRAW_PLAYER3, ST_MOVE_PLAYER, ST_DESTROY_PLAYER_GADGETS, ST_IS_HIT_BBOX, ST_FIRE_PLAYER3 },
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/* ST_OT_GADGET (12): adds enhancements */
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{ 0, 1, 0, ST_DRAW_GADGET, ST_MOVE_X_FAST, ST_DESTROY_GADGET, ST_IS_HIT_BBOX, ST_FIRE_NONE },
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/* ST_OT_GADGET_IMPLODE (13) */
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{ 0, 0, 20, ST_DRAW_GADGET, ST_MOVE_IMPLODE, ST_DESTROY_NONE, ST_IS_HIT_NONE, ST_FIRE_NONE },
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/* ST_OT_DUST_NXPY (14): Last part of trash */
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{ 0, 0, 0, ST_DRAW_BACKSLASH, ST_MOVE_NXPY, ST_DESTROY_NONE, ST_IS_HIT_NONE, ST_FIRE_NONE },
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/* ST_OT_DUST_NXNY (15): Last part of trash */
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{ 0, 0, 0, ST_DRAW_SLASH, ST_MOVE_NXNY, ST_DESTROY_NONE, ST_IS_HIT_NONE, ST_FIRE_NONE },
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};
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/*================================================================*/
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/* list of all objects on the screen */
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/*================================================================*/
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/* use AVR RAMEND constant to derive the number of allowed objects */
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#if RAMEND < 0x300
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#define ST_OBJ_CNT 25
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#else
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#define ST_OBJ_CNT 45
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#endif
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st_obj st_objects[ST_OBJ_CNT];
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/*================================================================*/
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/* about players space ship*/
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/*================================================================*/
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/* player position */
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uint8_t st_player_pos;
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/* points */
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#define ST_POINTS_PER_LEVEL 25
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uint16_t st_player_points;
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uint16_t st_player_points_delayed;
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uint16_t st_highscore = 0;
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/*================================================================*/
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/* overall game state */
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/*================================================================*/
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#define ST_STATE_PREPARE 0
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#define ST_STATE_IPREPARE 1
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#define ST_STATE_GAME 2
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#define ST_STATE_END 3
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#define ST_STATE_IEND 4
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uint8_t st_state = ST_STATE_PREPARE;
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/*================================================================*/
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/* game difficulty */
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/*================================================================*/
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uint8_t st_difficulty = 1;
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#define ST_DIFF_VIS_LEN 30
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#define ST_DIFF_FP 5
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uint16_t st_to_diff_cnt = 0;
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/*================================================================*/
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/* bitmaps */
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/*================================================================*/
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const uint8_t st_bitmap_player1[] =
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{
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/* 01100000 */ 0x060,
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/* 11111000 */ 0x0f8,
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/* 01111110 */ 0x07e,
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/* 11111000 */ 0x0f8,
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/* 01100000 */ 0x060
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};
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const uint8_t st_bitmap_player2[] =
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{
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/* 01100000 */ 0x060,
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/* 01111100 */ 0x078,
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/* 01100000 */ 0x060,
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/* 11100000 */ 0x0e0,
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/* 11111000 */ 0x0f8,
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/* 01111110 */ 0x07e,
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/* 11111000 */ 0x0f8,
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/* 01100000 */ 0x060
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};
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const uint8_t st_bitmap_player3[] =
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{
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/* 01100000 */ 0x060,
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/* 01111100 */ 0x078,
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/* 01100000 */ 0x060,
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/* 11100000 */ 0x0e0,
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/* 11111000 */ 0x0f8,
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/* 01111110 */ 0x07e,
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/* 11111000 */ 0x0f8,
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/* 11100000 */ 0x0e0,
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/* 01100000 */ 0x060,
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/* 01111100 */ 0x078,
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/* 01100000 */ 0x060
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};
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const uint8_t st_bitmap_trash_5x5_1[] =
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{
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/* 01110000 */ 0x070,
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/* 11110000 */ 0x0f0,
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/* 11111000 */ 0x0f8,
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/* 01111000 */ 0x078,
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/* 00110000 */ 0x030,
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};
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const uint8_t st_bitmap_trash_5x5_2[] =
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{
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/* 00110000 */ 0x030,
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/* 11111000 */ 0x0f8,
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/* 11111000 */ 0x0f8,
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/* 11110000 */ 0x0f0,
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/* 01110000 */ 0x070,
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};
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const uint8_t st_bitmap_trash_7x7[] =
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{
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/* 00111000 */ 0x038,
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/* 01111100 */ 0x07c,
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/* 11111100 */ 0x0fc,
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/* 11111110 */ 0x0fe,
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/* 11111110 */ 0x0fe,
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/* 01111110 */ 0x07e,
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/* 01111000 */ 0x078,
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};
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const uint8_t st_bitmap_gadget[] =
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{
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/* 01110000 */ 0x070,
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/* 11011000 */ 0x0d8,
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/* 10001000 */ 0x088,
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/* 11011000 */ 0x0d8,
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/* 01110000 */ 0x070,
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};
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/*================================================================*/
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/* forward definitions */
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/*================================================================*/
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uint8_t st_rnd(void) U8X8_NOINLINE;
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static st_obj *st_GetObj(uint8_t objnr) U8X8_NOINLINE;
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uint8_t st_GetMissleMask(uint8_t objnr);
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uint8_t st_GetHitMask(uint8_t objnr);
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int8_t st_FindObj(uint8_t ot) U8X8_NOINLINE;
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void st_ClrObjs(void) U8X8_NOINLINE;
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int8_t st_NewObj(void) U8X8_NOINLINE;
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uint8_t st_CntObj(uint8_t ot);
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uint8_t st_CalcXY(st_obj *o) U8X8_NOINLINE;
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void st_SetXY(st_obj *o, uint8_t x, uint8_t y) U8X8_NOINLINE;
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void st_FireStep(uint8_t is_auto_fire, uint8_t is_fire) U8X8_NOINLINE;
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void st_InitTrash(uint8_t x, uint8_t y, int8_t dir);
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void st_NewGadget(uint8_t x, uint8_t y);
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void st_NewPlayerMissle(uint8_t x, uint8_t y) ;
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void st_NewTrashDust(uint8_t x, uint8_t y, int ot);
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void st_NewTrashDustAreaArgs(int16_t x, int16_t y, int ot);
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void st_SetupPlayer(uint8_t objnr, uint8_t ot);
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/*================================================================*/
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/* utility functions */
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/*================================================================*/
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char st_itoa_buf[12];
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char *st_itoa(unsigned long v)
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{
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volatile unsigned char i = 11;
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st_itoa_buf[11] = '\0';
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while( i > 0)
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{
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i--;
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st_itoa_buf[i] = (v % 10)+'0';
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v /= 10;
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if ( v == 0 )
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break;
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}
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return st_itoa_buf+i;
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}
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uint8_t st_rnd(void)
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{
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return rand();
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}
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/*
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for the specified index number, return the object
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*/
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static st_obj *st_GetObj(uint8_t objnr)
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{
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return st_objects+objnr;
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}
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/*
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check, if this is a missle-like object (that is, can this object destroy something else)
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*/
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uint8_t st_GetMissleMask(uint8_t objnr)
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{
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st_obj *o = st_GetObj(objnr);
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return u8x8_pgm_read(&(st_object_types[o->ot].missle_mask));
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}
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/*
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check, if this is a missle-like object (that is, can this object destroy something else)
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*/
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uint8_t st_GetHitMask(uint8_t objnr)
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{
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st_obj *o = st_GetObj(objnr);
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return u8x8_pgm_read(&(st_object_types[o->ot].hit_mask));
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}
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/*
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search an empty object
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*/
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int8_t st_FindObj(uint8_t ot)
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{
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int8_t i;
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for( i = 0; i < ST_OBJ_CNT; i++ )
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{
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if ( st_objects[i].ot == ot )
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return i;
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}
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return -1;
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}
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/*
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delete all objects
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*/
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void st_ClrObjs(void)
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{
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int8_t i;
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for( i = 0; i < ST_OBJ_CNT; i++ )
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st_objects[i].ot = 0;
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}
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/*
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search an empty object
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*/
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int8_t st_NewObj(void)
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{
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int8_t i;
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for( i = 0; i < ST_OBJ_CNT; i++ )
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{
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if ( st_objects[i].ot == 0 )
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return i;
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}
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return -1;
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}
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/*
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count number of objectes of the provided type
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st_CntObj(0) will return the number of empty objects, that means if
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st_CntObj(0) > 0 then st_NewObj() will return a valid index
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*/
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uint8_t st_CntObj(uint8_t ot)
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{
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uint8_t i;
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uint8_t cnt = 0;
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for( i = 0; i < ST_OBJ_CNT; i++ )
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{
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if ( st_objects[i].ot == ot )
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cnt++;
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}
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return cnt;
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}
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/*
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calculate the pixel coordinates of the reference point of an object
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return rhe x value
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*/
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uint8_t st_px_x, st_px_y; /* pixel within area */
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uint8_t st_CalcXY(st_obj *o)
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{
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//st_obj *o = st_GetObj(objnr);
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st_px_y = o->y>>ST_FP;
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st_px_x = o->x>>ST_FP;
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return st_px_x;
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}
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void st_SetXY(st_obj *o, uint8_t x, uint8_t y)
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{
|
|
o->x = ((int16_t)x) << ST_FP;
|
|
o->y = ((int16_t)y) << ST_FP;
|
|
}
|
|
|
|
/*
|
|
calculate the object bounding box and place it into some global variables
|
|
*/
|
|
int16_t st_bbox_x0, st_bbox_y0, st_bbox_x1, st_bbox_y1;
|
|
|
|
void st_CalcBBOX(uint8_t objnr)
|
|
{
|
|
st_obj *o = st_GetObj(objnr);
|
|
|
|
st_bbox_x0 = (uint16_t)(o->x>>ST_FP);
|
|
st_bbox_x1 = st_bbox_x0;
|
|
st_bbox_x0 += o->x0;
|
|
st_bbox_x1 += o->x1;
|
|
|
|
st_bbox_y0 = (uint16_t)(o->y>>ST_FP);
|
|
st_bbox_y1 = st_bbox_y0;
|
|
st_bbox_y0 += o->y0;
|
|
st_bbox_y1 += o->y1;
|
|
}
|
|
|
|
/*
|
|
clip bbox with the view window. requires a call to st_CalcBBOX
|
|
return 0, if the bbox is totally outside the window
|
|
*/
|
|
uint8_t st_cbbox_x0, st_cbbox_y0, st_cbbox_x1, st_cbbox_y1;
|
|
uint8_t st_ClipBBOX(void)
|
|
{
|
|
if ( st_bbox_x0 >= ST_AREA_WIDTH )
|
|
return 0;
|
|
if ( st_bbox_x0 >= 0 )
|
|
st_cbbox_x0 = (uint16_t)st_bbox_x0;
|
|
else
|
|
st_cbbox_x0 = 0;
|
|
|
|
if ( st_bbox_x1 < 0 )
|
|
return 0;
|
|
if ( st_bbox_x1 < ST_AREA_WIDTH )
|
|
st_cbbox_x1 = (uint16_t)st_bbox_x1;
|
|
else
|
|
st_cbbox_x1 = ST_AREA_WIDTH-1;
|
|
|
|
if ( st_bbox_y0 >= ST_AREA_HEIGHT )
|
|
return 0;
|
|
if ( st_bbox_y0 >= 0 )
|
|
st_cbbox_y0 = (uint16_t)st_bbox_y0;
|
|
else
|
|
st_cbbox_y0 = 0;
|
|
|
|
if ( st_bbox_y1 < 0 )
|
|
return 0;
|
|
if ( st_bbox_y1 < ST_AREA_HEIGHT )
|
|
st_cbbox_y1 = (uint16_t)st_bbox_y1;
|
|
else
|
|
st_cbbox_y1 = ST_AREA_HEIGHT-1;
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
/*================================================================*/
|
|
/* universal member functions */
|
|
/*================================================================*/
|
|
|
|
|
|
uint8_t st_IsOut(uint8_t objnr)
|
|
{
|
|
st_CalcBBOX(objnr);
|
|
if ( st_bbox_x0 >= ST_AREA_WIDTH )
|
|
return 1;
|
|
if ( st_bbox_x1 < 0 )
|
|
return 1;
|
|
if ( st_bbox_y0 >= ST_AREA_HEIGHT )
|
|
return 1;
|
|
if ( st_bbox_y1 < 0 )
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
void st_Disappear(uint8_t objnr)
|
|
{
|
|
st_obj *o = st_GetObj(objnr);
|
|
st_player_points += u8x8_pgm_read(&(st_object_types[o->ot].points));
|
|
o->ot = 0;
|
|
}
|
|
|
|
/*================================================================*/
|
|
/* type dependent member functions */
|
|
/*================================================================*/
|
|
|
|
void st_Move(uint8_t objnr)
|
|
{
|
|
st_obj *o = st_GetObj(objnr);
|
|
switch(u8x8_pgm_read(&(st_object_types[o->ot].move_fn)))
|
|
{
|
|
case ST_MOVE_NONE:
|
|
break;
|
|
case ST_MOVE_X_SLOW:
|
|
o->x -= (1<<ST_FP)/8;
|
|
o->x -= st_difficulty;
|
|
o->y += (int16_t)o->tmp;
|
|
if ( o->y >= ((ST_AREA_HEIGHT-1) << ST_FP) || o->y <= 0 )
|
|
o->tmp = - o->tmp;
|
|
break;
|
|
case ST_MOVE_X_FAST:
|
|
o->x -= (1<<ST_FP)/2;
|
|
o->y += (int16_t)o->tmp;
|
|
if ( o->y >= ((ST_AREA_HEIGHT-1) << ST_FP) || o->y <= 0 )
|
|
o->tmp = - o->tmp;
|
|
break;
|
|
case ST_MOVE_PX_NORMAL:
|
|
o->x += (1<<ST_FP)/4;
|
|
break;
|
|
case ST_MOVE_PX_FAST:
|
|
o->x += (1<<ST_FP);
|
|
break;
|
|
case ST_MOVE_PLAYER:
|
|
o->y = st_player_pos<<ST_FP;
|
|
break;
|
|
case ST_MOVE_PY:
|
|
o->y += 3*ST_FP;
|
|
break;
|
|
case ST_MOVE_NY:
|
|
o->y -= 3*ST_FP;
|
|
break;
|
|
case ST_MOVE_NXPY:
|
|
o->y += 3*ST_FP;
|
|
o->x -= 3*ST_FP;
|
|
break;
|
|
case ST_MOVE_NXNY:
|
|
o->y -= 3*ST_FP;
|
|
o->x -= 3*ST_FP;
|
|
break;
|
|
case ST_MOVE_IMPLODE:
|
|
o->tmp++;
|
|
if ( (o->tmp & 0x03) == 0 )
|
|
{
|
|
if ( o->x0 != o->x1 )
|
|
o->x0++;
|
|
else
|
|
st_Disappear(objnr);
|
|
}
|
|
break;
|
|
case ST_MOVE_WALL:
|
|
o->x -= 1;
|
|
o->x -= (st_difficulty>>1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void st_DrawBBOX(uint8_t objnr)
|
|
{
|
|
uint8_t y0, y1;
|
|
/*st_obj *o = st_GetObj(objnr);*/
|
|
st_CalcBBOX(objnr);
|
|
if ( st_ClipBBOX() == 0 )
|
|
return;
|
|
/* st_cbbox_x0, st_cbbox_y0, st_cbbox_x1, st_cbbox_y1; */
|
|
|
|
|
|
// w = st_cbbox_x1-st_cbbox_x0;
|
|
// w++;
|
|
// h = st_cbbox_y1-st_cbbox_y0;
|
|
// h++;
|
|
|
|
|
|
//dog_SetVLine(st_cbbox_x0, st_cbbox_y0, st_cbbox_y1);
|
|
//dog_SetVLine(st_cbbox_x1, st_cbbox_y0, st_cbbox_y1);
|
|
//dog_SetHLine(st_cbbox_x0, st_cbbox_x1, st_cbbox_y0);
|
|
//dog_SetHLine(st_cbbox_x0, st_cbbox_x1, st_cbbox_y1);
|
|
|
|
u8g2_SetDrawColor(st_u8g2, 1);
|
|
y0 = u8g_height_minus_one - st_cbbox_y0;
|
|
y1 = u8g_height_minus_one - st_cbbox_y1;
|
|
|
|
u8g2_DrawFrame(st_u8g2, st_cbbox_x0, y1, st_cbbox_x1-st_cbbox_x0+1, y0-y1+1);
|
|
|
|
//dog_SetBox(st_cbbox_x0, st_cbbox_y0, st_cbbox_x1, st_cbbox_y1);
|
|
|
|
/*
|
|
if ( o->ot == ST_OT_PLAYER )
|
|
{
|
|
dog_DrawStr(0, 26, font_4x6, st_itoa(st_cbbox_y0));
|
|
dog_DrawStr(10, 26, font_4x6, st_itoa(st_cbbox_y1));
|
|
}
|
|
*/
|
|
}
|
|
|
|
#ifdef FN_IS_NOT_IN_USE
|
|
void st_DrawFilledBox(uint8_t objnr)
|
|
{
|
|
st_CalcBBOX(objnr);
|
|
if ( st_ClipBBOX() == 0 )
|
|
return;
|
|
/* st_cbbox_x0, st_cbbox_y0, st_cbbox_x1, st_cbbox_y1; */
|
|
dog_SetBox(st_cbbox_x0, st_cbbox_y0, st_cbbox_x1, st_cbbox_y1);
|
|
}
|
|
#endif
|
|
|
|
void st_DrawBitmap(uint8_t objnr, const uint8_t * bm, uint8_t w, uint8_t h)
|
|
{
|
|
/* st_obj *o = st_GetObj(objnr); */
|
|
st_CalcBBOX(objnr);
|
|
/* result is here: int16_t st_bbox_x0, st_bbox_y0, st_bbox_x1, st_bbox_y1 */
|
|
//dog_SetBitmapP(st_bbox_x0,st_bbox_y1,bm,w,h);
|
|
|
|
u8g2_DrawBitmap(st_u8g2, st_bbox_x0, u8g_height_minus_one - st_bbox_y1, (w+7)/8, h, bm);
|
|
|
|
}
|
|
|
|
void st_DrawObj(uint8_t objnr)
|
|
{
|
|
st_obj *o = st_GetObj(objnr);
|
|
switch(u8x8_pgm_read(&(st_object_types[o->ot].draw_fn)))
|
|
{
|
|
case ST_DRAW_NONE:
|
|
break;
|
|
case ST_DRAW_BBOX:
|
|
st_DrawBBOX(objnr);
|
|
break;
|
|
case ST_DRAW_TRASH1:
|
|
st_DrawBitmap(objnr, st_bitmap_trash_5x5_1,o->x1-o->x0+1, 5);
|
|
break;
|
|
case ST_DRAW_TRASH2:
|
|
st_DrawBitmap(objnr, st_bitmap_trash_5x5_2,o->x1-o->x0+1, 5);
|
|
break;
|
|
case ST_DRAW_BIG_TRASH:
|
|
st_DrawBitmap(objnr, st_bitmap_trash_7x7,o->x1-o->x0+1, 7);
|
|
break;
|
|
case ST_DRAW_PLAYER1:
|
|
st_DrawBitmap(objnr, st_bitmap_player1,7,5);
|
|
break;
|
|
case ST_DRAW_PLAYER2:
|
|
st_DrawBitmap(objnr, st_bitmap_player2,7,8);
|
|
break;
|
|
case ST_DRAW_PLAYER3:
|
|
st_DrawBitmap(objnr, st_bitmap_player3,7,11);
|
|
break;
|
|
case ST_DRAW_GADGET:
|
|
/* could use this proc, but... */
|
|
/* st_DrawBitmap(objnr, st_bitmap_gadget,o->x1-o->x0+1, 5); */
|
|
/* ... this one looks also funny. */
|
|
st_DrawBitmap(objnr, st_bitmap_gadget,5,5);
|
|
break;
|
|
case ST_DRAW_BACKSLASH:
|
|
{
|
|
uint8_t x;
|
|
uint8_t y;
|
|
x = st_CalcXY(o);
|
|
y = st_px_y;
|
|
|
|
|
|
// dog_SetPixel(x,y);
|
|
// x++; y--;
|
|
// dog_SetPixel(x,y);
|
|
// x++; y--;
|
|
// dog_SetPixel(x,y);
|
|
|
|
u8g2_SetDrawColor(st_u8g2, 1);
|
|
u8g2_DrawPixel(st_u8g2, x, u8g_height_minus_one - y);
|
|
x++; y--;
|
|
u8g2_DrawPixel(st_u8g2, x, u8g_height_minus_one - y);
|
|
x++; y--;
|
|
u8g2_DrawPixel(st_u8g2, x, u8g_height_minus_one - y);
|
|
}
|
|
break;
|
|
case ST_DRAW_SLASH:
|
|
{
|
|
uint8_t x;
|
|
uint8_t y;
|
|
x = st_CalcXY(o);
|
|
y = st_px_y;
|
|
|
|
// dog_SetPixel(x,y);
|
|
// x++; y++;
|
|
// dog_SetPixel(x,y);
|
|
// x++; y++;
|
|
// dog_SetPixel(x,y);
|
|
|
|
u8g2_SetDrawColor(st_u8g2, 1);
|
|
u8g2_DrawPixel(st_u8g2, x, u8g_height_minus_one - y);
|
|
x++; y++;
|
|
u8g2_DrawPixel(st_u8g2, x, u8g_height_minus_one - y);
|
|
x++; y++;
|
|
u8g2_DrawPixel(st_u8g2, x, u8g_height_minus_one - y);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
uint8_t st_IsHitBBOX(uint8_t objnr, uint8_t x, uint8_t y)
|
|
{
|
|
st_CalcBBOX(objnr);
|
|
if ( st_ClipBBOX() == 0 )
|
|
return 0; /* obj is outside (not visible) */
|
|
if ( x < st_cbbox_x0 )
|
|
return 0;
|
|
if ( x > st_cbbox_x1 )
|
|
return 0;
|
|
if ( y < st_cbbox_y0 )
|
|
return 0;
|
|
if ( y > st_cbbox_y1 )
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
void st_Destroy(uint8_t objnr)
|
|
{
|
|
int8_t nr;
|
|
st_obj *o = st_GetObj(objnr);
|
|
switch(u8x8_pgm_read(&(st_object_types[o->ot].destroy_fn)))
|
|
{
|
|
case ST_DESTROY_NONE: /* only usefull for missels or walls which stay alife */
|
|
break;
|
|
case ST_DESTROY_DISAPPEAR: /* this should be the default operation */
|
|
st_Disappear(objnr);
|
|
break;
|
|
case ST_DESTROY_GADGET:
|
|
nr = st_FindObj(ST_OT_PLAYER2);
|
|
if ( nr >= 0 )
|
|
st_SetupPlayer(nr, ST_OT_PLAYER3);
|
|
else
|
|
{
|
|
nr = st_FindObj(ST_OT_PLAYER);
|
|
if ( nr >= 0 )
|
|
st_SetupPlayer(nr, ST_OT_PLAYER2);
|
|
}
|
|
st_NewTrashDustAreaArgs(o->x, o->y, ST_OT_DUST_PY);
|
|
st_NewTrashDustAreaArgs(o->x, o->y, ST_OT_DUST_NY);
|
|
o->ot = ST_OT_GADGET_IMPLODE;
|
|
o->tmp = 0;
|
|
break;
|
|
case ST_DESTROY_TO_DUST:
|
|
st_NewTrashDustAreaArgs(o->x, o->y, ST_OT_DUST_PY);
|
|
st_NewTrashDustAreaArgs(o->x, o->y, ST_OT_DUST_NY);
|
|
o->ot = ST_OT_TRASH_IMPLODE;
|
|
o->tmp = 0;
|
|
break;
|
|
case ST_DESTROY_BIG_TRASH:
|
|
st_NewTrashDustAreaArgs(o->x, o->y, ST_OT_DUST_PY);
|
|
st_NewTrashDustAreaArgs(o->x, o->y, ST_OT_DUST_NY);
|
|
st_InitTrash((o->x>>ST_FP)-1, (o->y>>ST_FP)+3, 2+(st_rnd()&3));
|
|
st_InitTrash((o->x>>ST_FP)-2, (o->y>>ST_FP)-3, -2-(st_rnd()&3));
|
|
st_Disappear(objnr);
|
|
break;
|
|
case ST_DESTROY_PLAYER:
|
|
st_Disappear(objnr);
|
|
st_state = ST_STATE_END;
|
|
o->tmp = 0;
|
|
break;
|
|
case ST_DESTROY_PLAYER_GADGETS:
|
|
/* o->ot = ST_OT_PLAYER; */
|
|
st_SetupPlayer(objnr, ST_OT_PLAYER);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
check if the target (objnr) has been hit.
|
|
st_IsHit() must also destroy the target.
|
|
return value:
|
|
0: do not destroy the missle
|
|
1: destroy the missle
|
|
*/
|
|
uint8_t st_IsHit(uint8_t objnr, uint8_t x, uint8_t y, uint8_t missle_mask)
|
|
{
|
|
uint8_t hit_mask = st_GetHitMask(objnr);
|
|
st_obj *o;
|
|
|
|
if ( (hit_mask & missle_mask) == 0 )
|
|
return 0;
|
|
|
|
o = st_GetObj(objnr);
|
|
|
|
switch(u8x8_pgm_read(&(st_object_types[o->ot].is_hit_fn)))
|
|
{
|
|
case ST_IS_HIT_NONE:
|
|
break;
|
|
case ST_IS_HIT_BBOX:
|
|
if ( st_IsHitBBOX(objnr, x, y) != 0 )
|
|
{
|
|
st_Destroy(objnr);
|
|
return 1;
|
|
}
|
|
break;
|
|
case ST_IS_HIT_WALL:
|
|
if ( st_IsHitBBOX(objnr, x, y) != 0 )
|
|
{
|
|
o->x0++;
|
|
if ( o->x0 < o->x1 )
|
|
{
|
|
st_NewTrashDust(x, y, ST_OT_DUST_NXPY);
|
|
st_NewTrashDust(x, y, ST_OT_DUST_NXNY);
|
|
}
|
|
else
|
|
{
|
|
st_Destroy(objnr);
|
|
st_NewTrashDust(x, y, ST_OT_DUST_NXPY);
|
|
st_NewTrashDust(x, y, ST_OT_DUST_NXNY);
|
|
st_NewTrashDust(x, y, ST_OT_DUST_NY);
|
|
st_NewTrashDust(x, y, ST_OT_DUST_PY);
|
|
}
|
|
return 1;
|
|
}
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/* update all fire counters */
|
|
uint8_t st_fire_player = 0;
|
|
uint8_t st_fire_period = 51;
|
|
uint8_t st_manual_fire_delay = 20;
|
|
uint8_t st_is_fire_last_value = 0;
|
|
|
|
/*
|
|
is_auto_fire == 1
|
|
is_fire will be ignored, autofire enabled
|
|
is_auto_fire == 0
|
|
a transition from 1 to 0 on the is_fire variable will issue a missle
|
|
*/
|
|
void st_FireStep(uint8_t is_auto_fire, uint8_t is_fire)
|
|
{
|
|
if ( is_auto_fire != 0 )
|
|
{
|
|
st_fire_player++;
|
|
if ( st_fire_player >= st_fire_period )
|
|
st_fire_player = 0;
|
|
}
|
|
else
|
|
{
|
|
if ( st_fire_player < st_manual_fire_delay )
|
|
{
|
|
st_fire_player++;
|
|
}
|
|
else
|
|
{
|
|
if ( st_is_fire_last_value == 0 )
|
|
if ( is_fire != 0 )
|
|
st_fire_player = 0;
|
|
}
|
|
st_is_fire_last_value = is_fire;
|
|
}
|
|
}
|
|
|
|
void st_Fire(uint8_t objnr)
|
|
{
|
|
st_obj *o = st_GetObj(objnr);
|
|
uint8_t x;
|
|
uint8_t y;
|
|
|
|
switch(u8x8_pgm_read(&(st_object_types[o->ot].fire_fn)))
|
|
{
|
|
case ST_FIRE_NONE:
|
|
break;
|
|
case ST_FIRE_PLAYER1:
|
|
if ( st_fire_player == 0 )
|
|
{
|
|
/* create missle at st_px_x and st_px_y */
|
|
x = st_CalcXY(o);
|
|
y = st_px_y;
|
|
st_NewPlayerMissle(x , y );
|
|
}
|
|
break;
|
|
case ST_FIRE_PLAYER2:
|
|
if ( st_fire_player == 0 )
|
|
{
|
|
/* create missle at st_px_x and st_px_y */
|
|
x = st_CalcXY(o);
|
|
y = st_px_y;
|
|
st_NewPlayerMissle(x , y );
|
|
st_NewPlayerMissle(x , y+4 );
|
|
}
|
|
break;
|
|
case ST_FIRE_PLAYER3:
|
|
if ( st_fire_player == 0 )
|
|
{
|
|
/* create missle at st_px_x and st_px_y */
|
|
x = st_CalcXY(o);
|
|
y = st_px_y;
|
|
st_NewPlayerMissle(x , y );
|
|
st_NewPlayerMissle(x , y+4 );
|
|
st_NewPlayerMissle(x , y-4 );
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*================================================================*/
|
|
/* object init functions */
|
|
/*================================================================*/
|
|
|
|
/*
|
|
x,y are pixel coordinats within the play arey
|
|
*/
|
|
void st_NewGadget(uint8_t x, uint8_t y)
|
|
{
|
|
st_obj *o;
|
|
int8_t objnr = st_NewObj();
|
|
if ( objnr < 0 )
|
|
return;
|
|
o = st_GetObj(objnr);
|
|
st_SetXY(o, x, y);
|
|
o->ot = ST_OT_GADGET;
|
|
o->tmp = 8;
|
|
//o->x = (x)<<ST_FP;
|
|
//o->y = (y)<<ST_FP;
|
|
o->x0 = -3;
|
|
o->x1 = 1;
|
|
o->y0 = -2;
|
|
o->y1 = 2;
|
|
}
|
|
|
|
/*
|
|
x,y are pixel coordinats within the play arey
|
|
dir: direction
|
|
0: random
|
|
!= 0 --> assigned
|
|
*/
|
|
void st_InitTrash(uint8_t x, uint8_t y, int8_t dir)
|
|
{
|
|
st_obj *o;
|
|
int8_t objnr = st_NewObj();
|
|
if ( objnr < 0 )
|
|
return;
|
|
o = st_GetObj(objnr);
|
|
if ( (st_rnd() & 1) == 0 )
|
|
o->ot = ST_OT_TRASH1;
|
|
else
|
|
o->ot = ST_OT_TRASH2;
|
|
if ( dir == 0 )
|
|
{
|
|
o->tmp = 0;
|
|
if ( st_rnd() & 1 )
|
|
{
|
|
if ( st_rnd() & 1 )
|
|
o->tmp++;
|
|
else
|
|
o->tmp--;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
o->tmp = dir;
|
|
}
|
|
st_SetXY(o, x, y);
|
|
//o->x = (x)<<ST_FP;
|
|
//o->y = (y)<<ST_FP;
|
|
o->x0 = -3;
|
|
o->x1 = 1;
|
|
o->y0 = -2;
|
|
o->y1 = 2;
|
|
if ( st_difficulty >= 5 )
|
|
{
|
|
if ( (st_rnd() & 3) == 0 )
|
|
{
|
|
o->ot = ST_OT_BIG_TRASH;
|
|
o->y0--;
|
|
o->y1++;
|
|
o->x0--;
|
|
o->x1++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
x,y are pixel coordinats within the play arey
|
|
*/
|
|
void st_NewTrashDust(uint8_t x, uint8_t y, int ot)
|
|
{
|
|
st_obj *o;
|
|
int8_t objnr = st_NewObj();
|
|
if ( objnr < 0 )
|
|
return;
|
|
o = st_GetObj(objnr);
|
|
o->ot = ot;
|
|
st_SetXY(o, x, y);
|
|
//o->x = (x)<<ST_FP;
|
|
//o->y = (y)<<ST_FP;
|
|
o->x0 = 0;
|
|
o->x1 = 0;
|
|
o->y0 = -2;
|
|
o->y1 = 2;
|
|
}
|
|
|
|
void st_NewTrashDustAreaArgs(int16_t x, int16_t y, int ot)
|
|
{
|
|
st_NewTrashDust(x>>ST_FP, y>>ST_FP, ot);
|
|
}
|
|
|
|
|
|
void st_NewWall(void)
|
|
{
|
|
st_obj *o;
|
|
int8_t objnr = st_NewObj();
|
|
int8_t h;
|
|
if ( objnr < 0 )
|
|
return;
|
|
o = st_GetObj(objnr);
|
|
o->ot = ST_OT_WALL_SOLID;
|
|
h = st_rnd();
|
|
h &= 63;
|
|
h = (int8_t)(((int16_t)h*(int16_t)(ST_AREA_HEIGHT/4))>>6);
|
|
h += ST_AREA_HEIGHT/6;
|
|
|
|
o->x0 = 0;
|
|
o->x1 = 5;
|
|
o->x = (ST_AREA_WIDTH-1)<<ST_FP;
|
|
|
|
if ( (st_rnd() & 1) == 0 )
|
|
{
|
|
o->y = (ST_AREA_HEIGHT-1)<<ST_FP;
|
|
|
|
o->y0 = -h;
|
|
o->y1 = 0;
|
|
}
|
|
else
|
|
{
|
|
o->y = (0)<<ST_FP;
|
|
o->y0 = 0;
|
|
o->y1 = h;
|
|
}
|
|
}
|
|
|
|
void st_NewPlayerMissle(uint8_t x, uint8_t y)
|
|
{
|
|
st_obj *o;
|
|
int8_t objnr = st_NewObj();
|
|
if ( objnr < 0 )
|
|
return;
|
|
o = st_GetObj(objnr);
|
|
o->ot = ST_OT_MISSLE;
|
|
st_SetXY(o, x, y);
|
|
//o->x = x<<ST_FP;
|
|
//o->y = y<<ST_FP;
|
|
o->x0 = -4;
|
|
o->x1 = 1;
|
|
o->y0 = 0;
|
|
o->y1 = 0;
|
|
}
|
|
|
|
void st_SetupPlayer(uint8_t objnr, uint8_t ot)
|
|
{
|
|
st_obj *o = st_GetObj(objnr);
|
|
switch(ot)
|
|
{
|
|
case ST_OT_PLAYER:
|
|
o->ot = ot;
|
|
o->y0 = -2;
|
|
o->y1 = 2;
|
|
break;
|
|
case ST_OT_PLAYER2:
|
|
o->ot = ot;
|
|
o->y0 = -2;
|
|
o->y1 = 5;
|
|
break;
|
|
case ST_OT_PLAYER3:
|
|
o->ot = ot;
|
|
o->y0 = -5;
|
|
o->y1 = 5;
|
|
break;
|
|
}
|
|
}
|
|
|
|
void st_NewPlayer(void)
|
|
{
|
|
st_obj *o;
|
|
int8_t objnr = st_NewObj();
|
|
if ( objnr < 0 )
|
|
return;
|
|
o = st_GetObj(objnr);
|
|
o->x = 6<<ST_FP;
|
|
o->y = (ST_AREA_HEIGHT/2)<<ST_FP;
|
|
o->x0 = -6;
|
|
o->x1 = 0;
|
|
st_SetupPlayer(objnr, ST_OT_PLAYER);
|
|
}
|
|
|
|
/*================================================================*/
|
|
/* trash creation */
|
|
/*================================================================*/
|
|
|
|
void st_InitDeltaWall(void)
|
|
{
|
|
uint8_t i;
|
|
uint8_t cnt = 0;
|
|
uint8_t max_x = 0;
|
|
uint8_t max_l;
|
|
|
|
uint8_t min_dist_for_new = 40;
|
|
uint8_t my_difficulty = st_difficulty;
|
|
|
|
if ( st_difficulty >= 2 )
|
|
{
|
|
|
|
max_l = ST_AREA_WIDTH;
|
|
max_l -= min_dist_for_new;
|
|
|
|
if ( my_difficulty > 30 )
|
|
my_difficulty = 30;
|
|
min_dist_for_new -= my_difficulty;
|
|
|
|
for( i = 0; i < ST_OBJ_CNT; i++ )
|
|
{
|
|
if ( st_objects[i].ot == ST_OT_WALL_SOLID )
|
|
{
|
|
cnt++;
|
|
if ( max_x < (st_objects[i].x>>ST_FP) )
|
|
max_x = (st_objects[i].x>>ST_FP);
|
|
}
|
|
}
|
|
/* if ( cnt < upper_trash_limit ) */
|
|
if ( max_x < max_l )
|
|
{
|
|
st_NewWall();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void st_InitDeltaTrash(void)
|
|
{
|
|
uint8_t i;
|
|
uint8_t cnt = 0;
|
|
uint8_t max_x = 0;
|
|
uint8_t max_l;
|
|
|
|
uint8_t upper_trash_limit = ST_OBJ_CNT-7;
|
|
uint8_t min_dist_for_new = 20;
|
|
uint8_t my_difficulty = st_difficulty;
|
|
|
|
if ( my_difficulty > 14 )
|
|
my_difficulty = 14;
|
|
min_dist_for_new -= my_difficulty;
|
|
|
|
for( i = 0; i < ST_OBJ_CNT; i++ )
|
|
{
|
|
if ( st_objects[i].ot == ST_OT_TRASH1 || st_objects[i].ot == ST_OT_TRASH2 || st_objects[i].ot == ST_OT_GADGET || st_objects[i].ot == ST_OT_BIG_TRASH )
|
|
{
|
|
cnt++;
|
|
if ( max_x < (st_objects[i].x>>ST_FP) )
|
|
max_x = (st_objects[i].x>>ST_FP);
|
|
}
|
|
}
|
|
|
|
max_l = ST_AREA_WIDTH;
|
|
max_l -= min_dist_for_new;
|
|
|
|
if ( cnt < upper_trash_limit )
|
|
if ( max_x < max_l )
|
|
{
|
|
if ( (st_difficulty >= 3) && ((st_rnd() & 7) == 0) )
|
|
st_NewGadget(ST_AREA_WIDTH-1, rand() & (ST_AREA_HEIGHT-1));
|
|
else
|
|
st_InitTrash(ST_AREA_WIDTH-1, rand() & (ST_AREA_HEIGHT-1),0 );
|
|
}
|
|
}
|
|
|
|
void st_InitDelta(void)
|
|
{
|
|
st_InitDeltaTrash();
|
|
st_InitDeltaWall();
|
|
/*
|
|
|
|
uint8_t cnt;
|
|
cnt = st_CntObj(2);
|
|
if ( cnt == 0 )
|
|
st_InitBrick1();
|
|
*/
|
|
}
|
|
|
|
/*================================================================*/
|
|
/* API: game draw procedure */
|
|
/*================================================================*/
|
|
|
|
void st_DrawInGame(uint8_t fps)
|
|
{
|
|
uint8_t i;
|
|
/* draw all objects */
|
|
for( i = 0; i < ST_OBJ_CNT; i++ )
|
|
st_DrawObj(i);
|
|
|
|
//dog_ClrBox(0, ST_AREA_HEIGHT, st_u8g2->width-1, ST_AREA_HEIGHT+3);
|
|
|
|
u8g2_SetDrawColor(st_u8g2, 0);
|
|
u8g2_DrawBox(st_u8g2, 0, u8g_height_minus_one - ST_AREA_HEIGHT-3, st_u8g2->width, 4);
|
|
|
|
u8g2_SetDrawColor(st_u8g2, 1);
|
|
u8g2_DrawHLine(st_u8g2, 0, u8g_height_minus_one - ST_AREA_HEIGHT+1, ST_AREA_WIDTH);
|
|
u8g2_DrawHLine(st_u8g2, 0, u8g_height_minus_one, ST_AREA_WIDTH);
|
|
u8g2_SetFont(st_u8g2, u8g_font_4x6r);
|
|
u8g2_DrawStr(st_u8g2, 0, u8g_height_minus_one - ST_AREA_HEIGHT, st_itoa(st_difficulty));
|
|
u8g2_DrawHLine(st_u8g2, 10, u8g_height_minus_one - ST_AREA_HEIGHT-3, (st_to_diff_cnt>>ST_DIFF_FP)+1);
|
|
u8g2_DrawVLine(st_u8g2, 10, u8g_height_minus_one - ST_AREA_HEIGHT-4, 3);
|
|
u8g2_DrawVLine(st_u8g2, 10+ST_DIFF_VIS_LEN, u8g_height_minus_one - ST_AREA_HEIGHT-4, 3);
|
|
|
|
|
|
/* player points */
|
|
u8g2_DrawStr(st_u8g2, ST_AREA_WIDTH-5*4-2, u8g_height_minus_one - ST_AREA_HEIGHT, st_itoa(st_player_points_delayed));
|
|
|
|
|
|
/* FPS output */
|
|
if ( fps > 0 )
|
|
{
|
|
//i = dog_DrawStr(ST_AREA_WIDTH-5*4-2-7*4, ST_AREA_HEIGHT, font_4x6, "FPS:");
|
|
i = u8g2_DrawStr(st_u8g2, ST_AREA_WIDTH-5*4-2-7*4, u8g_height_minus_one - ST_AREA_HEIGHT, "FPS:");
|
|
|
|
//dog_DrawStr(ST_AREA_WIDTH-5*4-2-7*4+i, ST_AREA_HEIGHT, font_4x6, st_itoa(fps));
|
|
u8g2_DrawStr(st_u8g2, ST_AREA_WIDTH-5*4-2-7*4+i, u8g_height_minus_one - ST_AREA_HEIGHT, st_itoa(fps));
|
|
}
|
|
/*dog_DrawStr(60+i, ST_AREA_HEIGHT, font_4x6, st_itoa(st_CntObj(0)));*/
|
|
}
|
|
|
|
void st_Draw(uint8_t fps)
|
|
{
|
|
switch(st_state)
|
|
{
|
|
case ST_STATE_PREPARE:
|
|
case ST_STATE_IPREPARE:
|
|
//dog_DrawStr(0, (st_u8g2->height-6)/2, font_4x6, "SpaceTrash");
|
|
u8g2_SetFont(st_u8g2, u8g_font_4x6r);
|
|
u8g2_SetDrawColor(st_u8g2, 1);
|
|
//dog_DrawStrP(0, (st_u8g2->height-6)/2, font_4x6, DOG_PSTR("SpaceTrash"));
|
|
u8g2_DrawStr(st_u8g2, 0, u8g_height_minus_one - (st_u8g2->height-6)/2, "SpaceTrash");
|
|
//dog_SetHLine(st_u8g2->width-st_to_diff_cnt-10, st_u8g2->width-st_to_diff_cnt, (st_u8g2->height-6)/2-1);
|
|
u8g2_DrawHLine(st_u8g2, st_u8g2->width-st_to_diff_cnt-10, u8g_height_minus_one - (st_u8g2->height-6)/2+1, 11);
|
|
break;
|
|
case ST_STATE_GAME:
|
|
st_DrawInGame(fps);
|
|
break;
|
|
case ST_STATE_END:
|
|
case ST_STATE_IEND:
|
|
u8g2_SetFont(st_u8g2, u8g_font_4x6r);
|
|
u8g2_SetDrawColor(st_u8g2, 1);
|
|
//dog_DrawStr(0, (st_u8g2->height-6)/2, font_4x6, "Game Over");
|
|
//dog_DrawStrP(0, (st_u8g2->height-6)/2, font_4x6, DOG_PSTR("Game Over"));
|
|
u8g2_DrawStr(st_u8g2, 0, u8g_height_minus_one - (st_u8g2->height-6)/2, "Game Over");
|
|
//dog_DrawStr(50, (st_u8g2->height-6)/2, font_4x6, st_itoa(st_player_points));
|
|
u8g2_DrawStr(st_u8g2, 50, u8g_height_minus_one - (st_u8g2->height-6)/2, st_itoa(st_player_points));
|
|
//dog_DrawStr(75, (st_u8g2->height-6)/2, font_4x6, st_itoa(st_highscore));
|
|
u8g2_DrawStr(st_u8g2, 75, u8g_height_minus_one - (st_u8g2->height-6)/2, st_itoa(st_highscore));
|
|
//dog_SetHLine(st_to_diff_cnt, st_to_diff_cnt+10, (st_u8g2->height-6)/2-1);
|
|
u8g2_DrawHLine(st_u8g2, st_to_diff_cnt, u8g_height_minus_one - (st_u8g2->height-6)/2+1, 11);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void st_SetupInGame(void)
|
|
{
|
|
st_player_points = 0;
|
|
st_player_points_delayed = 0;
|
|
st_difficulty = 1;
|
|
st_to_diff_cnt = 0;
|
|
st_ClrObjs();
|
|
st_NewPlayer();
|
|
/* st_InitBrick1(); */
|
|
}
|
|
|
|
|
|
/*================================================================*/
|
|
/* API: game setup */
|
|
/*================================================================*/
|
|
|
|
void st_Setup(u8g2_t *u8g)
|
|
{
|
|
st_u8g2 = u8g;
|
|
u8g2_SetBitmapMode(u8g, 1);
|
|
u8g_height_minus_one = u8g->height;
|
|
u8g_height_minus_one--;
|
|
}
|
|
|
|
/*================================================================*/
|
|
/* API: game step execution */
|
|
/*================================================================*/
|
|
|
|
/*
|
|
player_pos: 0..255
|
|
*/
|
|
void st_StepInGame(uint8_t player_pos, uint8_t is_auto_fire, uint8_t is_fire)
|
|
{
|
|
uint8_t i, j;
|
|
uint8_t missle_mask;
|
|
|
|
/* rescale player pos */
|
|
//st_player_pos = ((uint16_t)player_pos * (uint16_t)ST_AREA_HEIGHT)/256;
|
|
if ( player_pos < 64 )
|
|
st_player_pos = 0;
|
|
else if ( player_pos >= 192 )
|
|
st_player_pos = ST_AREA_HEIGHT-2-1;
|
|
else
|
|
st_player_pos = ((uint16_t)((player_pos-64)) * (uint16_t)(ST_AREA_HEIGHT-2))/128;
|
|
st_player_pos+=1;
|
|
/* move all objects */
|
|
for( i = 0; i < ST_OBJ_CNT; i++ )
|
|
st_Move(i);
|
|
|
|
/* check for objects which left the play area */
|
|
for( i = 0; i < ST_OBJ_CNT; i++ )
|
|
if ( st_objects[i].ot != 0 )
|
|
if ( st_IsOut(i) != 0 )
|
|
st_Disappear(i);
|
|
|
|
/* missle and destruction handling */
|
|
for( i = 0; i < ST_OBJ_CNT; i++ )
|
|
{
|
|
missle_mask = st_GetMissleMask(i);
|
|
if ( missle_mask != 0 ) /* should we apply missle handling? */
|
|
if ( st_CalcXY(st_objects+i) != 0 ) /* yes: calculate pixel reference point (st_px_x, st_px_y) */
|
|
for( j = 0; j < ST_OBJ_CNT; j++ ) /* has any other object been hit? */
|
|
if ( i != j ) /* except missle itself... */
|
|
if ( st_IsHit(j, st_px_x, st_px_y, missle_mask) != 0 ) /* let the member function decide */
|
|
{ /* let the member function destroy the object if required */
|
|
st_Destroy(i);
|
|
}
|
|
}
|
|
|
|
/* handle fire counter */
|
|
st_FireStep(is_auto_fire, is_fire);
|
|
|
|
/* fire */
|
|
for( i = 0; i < ST_OBJ_CNT; i++ )
|
|
st_Fire(i);
|
|
|
|
/* create new objects */
|
|
st_InitDelta();
|
|
|
|
/* increase difficulty */
|
|
|
|
st_to_diff_cnt++;
|
|
if ( st_to_diff_cnt == (ST_DIFF_VIS_LEN<<ST_DIFF_FP) )
|
|
{
|
|
st_to_diff_cnt = 0;
|
|
st_difficulty++;
|
|
st_player_points += ST_POINTS_PER_LEVEL;
|
|
}
|
|
|
|
/* update visible player points */
|
|
if ( st_player_points_delayed < st_player_points )
|
|
st_player_points_delayed++;
|
|
}
|
|
|
|
void st_Step(uint8_t player_pos, uint8_t is_auto_fire, uint8_t is_fire)
|
|
{
|
|
switch(st_state)
|
|
{
|
|
case ST_STATE_PREPARE:
|
|
st_to_diff_cnt = st_u8g2->width-10; /* reuse st_to_diff_cnt */
|
|
st_state = ST_STATE_IPREPARE;
|
|
break;
|
|
case ST_STATE_IPREPARE:
|
|
st_to_diff_cnt--;
|
|
if ( st_to_diff_cnt == 0 )
|
|
{
|
|
st_state = ST_STATE_GAME;
|
|
st_SetupInGame();
|
|
}
|
|
break;
|
|
case ST_STATE_GAME:
|
|
st_StepInGame(player_pos, is_auto_fire, is_fire);
|
|
break;
|
|
case ST_STATE_END:
|
|
st_to_diff_cnt = st_u8g2->width-10; /* reuse st_to_diff_cnt */
|
|
if ( st_highscore < st_player_points)
|
|
st_highscore = st_player_points;
|
|
st_state = ST_STATE_IEND;
|
|
break;
|
|
case ST_STATE_IEND:
|
|
st_to_diff_cnt--;
|
|
if ( st_to_diff_cnt == 0 )
|
|
st_state = ST_STATE_PREPARE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
u8g2_t u8g2;
|
|
|
|
int main(void)
|
|
{
|
|
uint8_t y, k;
|
|
|
|
u8g2_SetupBuffer_SDL_128x64_4(&u8g2, &u8g2_cb_r0);
|
|
u8x8_InitDisplay(u8g2_GetU8x8(&u8g2));
|
|
u8x8_SetPowerSave(u8g2_GetU8x8(&u8g2), 0);
|
|
|
|
//u8g2_SetFont(&u8g2, u8g2_font_helvB08_tr);
|
|
u8g2_SetFont(&u8g2, u8g2_font_6x10_tr);
|
|
u8g2_SetFontDirection(&u8g2, 0);
|
|
u8g2_SetFontRefHeightAll(&u8g2);
|
|
|
|
st_Setup(&u8g2);
|
|
|
|
y = 128;
|
|
|
|
|
|
for(;;)
|
|
{
|
|
do
|
|
{
|
|
k = u8g_sdl_get_key();
|
|
//printf("Step %d\n", y);
|
|
|
|
st_Step(y, /* is_auto_fire */ 1, /* is_fire */ 0);
|
|
|
|
u8g2_FirstPage(&u8g2);
|
|
do
|
|
{
|
|
st_Draw(0);
|
|
} while( u8g2_NextPage(&u8g2) );
|
|
|
|
usleep(10000);
|
|
|
|
k = u8x8_GetMenuEvent(u8g2_GetU8x8(&u8g2));
|
|
|
|
} while( k == 0 );
|
|
|
|
if ( k == U8X8_MSG_GPIO_MENU_UP )
|
|
y += ST_FP;
|
|
|
|
if ( k == U8X8_MSG_GPIO_MENU_DOWN )
|
|
y -= ST_FP;
|
|
|
|
|
|
if ( k == U8X8_MSG_GPIO_MENU_HOME )
|
|
break;
|
|
|
|
//if ( k == 273 ) y -= 1;
|
|
//if ( k == 274 ) y += 1;
|
|
//if ( k == 276 ) x -= 7;
|
|
//if ( k == 275 ) x += 7;
|
|
|
|
//if ( k == 'x' ) y -= ST_FP;
|
|
//if ( k == 'e' ) y += ST_FP;
|
|
//if ( k == 's' ) x -= 1;
|
|
//if ( k == 'd' ) x += 1;
|
|
//if ( k == 'q' ) break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|