74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
#include "collide.h"
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#include "draw.h"
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#include "shared_define.h"
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#define SPIKE_SCAM 2
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char collide(int x, int y, char level[], char tile)
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{
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if ((level[(int)(x/16) + (int)(y/16) * LEVEL_WIDTH] == tile) ||
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(level[(int)(x/16) + (int)((y+PLAYER_H)/16) * LEVEL_WIDTH] == tile) ||
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(level[(int)((x+PLAYER_W)/16) + (int)((y+PLAYER_H)/16) *
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LEVEL_WIDTH] == tile) || (level[(int)((x+PLAYER_W)/16) + (int)(y/16) *
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LEVEL_WIDTH] == tile)) return 1;
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return 0;
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}
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char collide_spike(int x, int y, char level[])
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{
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return (collide_point(x + SPIKE_SCAM, y + SPIKE_SCAM, level, 'v') ||
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collide_point(x + PLAYER_W - SPIKE_SCAM, y + SPIKE_SCAM, level, 'v') ||
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collide_point(x + SPIKE_SCAM, y + PLAYER_H - SPIKE_SCAM, level, 'v') ||
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collide_point(x + PLAYER_W - SPIKE_SCAM, y + PLAYER_H - SPIKE_SCAM, level, 'v'));
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}
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char collide_point(int x, int y, char level[], char tile)
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{
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return (level[(int)(x/16) + (int)(y/16) * LEVEL_WIDTH] == tile);
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}
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char collide_solid(int x, int y, char level[], char polarity,
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char test_semi_solid)
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{
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char collided;
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if (polarity) collided = collide(x, y, level, 'b');
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else collided = collide(x, y, level, 'r');
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if (!collided && test_semi_solid && ((y + PLAYER_H) % 16) <= 5)
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{
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collided = (collide_point(x, y + PLAYER_H, level, '/') ||
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collide_point(x + PLAYER_W, y + PLAYER_H, level, '/'));
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}
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return (collided ||
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collide(x, y, level, '0') ||
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collide(x, y, level, '1') ||
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collide(x, y, level, '^') ||
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collide(x, y, level, 'd') ||
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collide(x, y, level, '~'));
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}
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char collide_and_erase(int x, int y, char level[], char tile)
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{
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char collided = 0;
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if (collide_point(x, y, level, tile))
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{
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erase_tile(x, y, level);
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collided = 1;
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}
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if (collide_point(x + PLAYER_W, y, level, tile))
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{
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erase_tile(x + PLAYER_W, y, level);
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collided = 1;
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}
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if (collide_point(x, y + PLAYER_H, level, tile))
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{
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erase_tile(x, y + PLAYER_H, level);
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collided = 1;
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}
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if (collide_point(x + PLAYER_W, y + PLAYER_H, level, tile))
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{
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erase_tile(x + PLAYER_W, y + PLAYER_H, level);
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collided = 1;
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}
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return collided;
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}
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