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Trevor Boddy 2021-06-17 17:59:18 -04:00
commit 3ea8481a27
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#include <genesis.h>
#include <resources.h>
#include "player.h"
#include "main.h"
#include "enemies.h"
#include "controls.h"
// movement
void updatePlayerBounds(){
if(playerPos.x < PLAYER_LIMIT_LEFT) playerPos.x = PLAYER_LIMIT_LEFT;
else if(playerPos.x > PLAYER_LIMIT_RIGHT) playerPos.x = PLAYER_LIMIT_RIGHT;
if(playerPos.y < PLAYER_LIMIT_TOP) playerPos.y = PLAYER_LIMIT_TOP;
else if(playerPos.y > PLAYER_LIMIT_BOTTOM) playerPos.y = PLAYER_LIMIT_BOTTOM;
}
void updatePlayerMove(){
playerVelocity.x = FIX16(0);
playerVelocity.y = FIX16(0);
if(controls.left){
if(controls.down){
playerVelocity.x = MOVEMENT_NORMALIZE_NEG;
playerVelocity.y = MOVEMENT_NORMALIZE;
}
else if(controls.up){
playerVelocity.x = MOVEMENT_NORMALIZE_NEG;
playerVelocity.y = MOVEMENT_NORMALIZE_NEG;
}
else playerVelocity.x = MOVEMENT_NEG;
} else if(controls.right){
if(controls.down){
playerVelocity.x = MOVEMENT_NORMALIZE;
playerVelocity.y = MOVEMENT_NORMALIZE;
}
else if(controls.up){
playerVelocity.x = MOVEMENT_NORMALIZE;
playerVelocity.y = MOVEMENT_NORMALIZE_NEG;
}
else playerVelocity.x = MOVEMENT_POS;
} else if(controls.up || controls.down) playerVelocity.y = controls.up ? MOVEMENT_NEG : MOVEMENT_POS;
playerPos.x += fix16Mul(playerVelocity.x, controls.b ? PLAYER_SPEED_FOCUS : PLAYER_SPEED);
playerPos.y += fix16Mul(playerVelocity.y, controls.b ? PLAYER_SPEED_FOCUS : PLAYER_SPEED);
updatePlayerBounds();
SPR_setPosition(playerSprite, fix16ToInt(playerPos.x) - 11, fix16ToInt(playerPos.y) - 16);
}
// shooting
void spawnPlayerBullet(){
static s16 i = 0;
for(s16 j = 0; j < PLAYER_BULLET_LIMIT; j++) if(!playerBullets[j].active) i = j;
playerBullets[i].active = TRUE;
playerBullets[i].pos.x = playerPos.x;
playerBullets[i].pos.y = fix16Sub(playerPos.y, FIX16(8));
XGM_startPlayPCM(SFX_PLAYER_SHOT, 0, SOUND_PCM_CH4);
}
void removePlayerBullet(s16 i){
playerBullets[i].pos.x = FIX16(PLAYER_BULLET_DUMP_X);
playerBullets[i].pos.y = FIX16(PLAYER_BULLET_DUMP_Y);
SPR_setPosition(playerBullets[i].image, PLAYER_BULLET_DUMP_X, PLAYER_BULLET_DUMP_Y);
playerBullets[i].active = FALSE;
}
void updatePlayerBullets(){
for(s16 i = 0; i < PLAYER_BULLET_LIMIT; i++) if(playerBullets[i].active){
playerBullets[i].pos.y = fix16Sub(playerBullets[i].pos.y, PLAYER_BULLET_SPEED);
SPR_setPosition(playerBullets[i].image, fix16ToInt(playerBullets[i].pos.x) - 8, fix16ToInt(playerBullets[i].pos.y) - 8);
if(playerBullets[i].pos.y <= PLAYER_BULLET_UP_LIMIT || playerBullets[i].pos.y >= PLAYER_BULLET_DOWN_LIMIT || zoneOver) removePlayerBullet(i);
}
}
void updatePlayerShot(){
if(playerShotClock >= PLAYER_SHOT_INTERVAL && controls.a) playerShotClock = 0;
if(playerShotClock == 0 && !zoneOver) spawnPlayerBullet();
playerShotClock++;
if(playerShotClock >= 600) playerShotClock = PLAYER_SHOT_INTERVAL;
}
// bomb
void spawnBomb(){
killBullets = TRUE;
SND_startPlayPCM_XGM(random() % 2 < 1 ? SFX_EXPLOSION_1 : SFX_EXPLOSION_2, 15, SOUND_PCM_CH2);
spawnExplosion(random() % GAME_WIDTH, random() % GAME_HEIGHT, FALSE);
}
void updatePlayerBomb(){
if(bombing){
if(bombClock % BOMB_INTERVAL == 0) spawnBomb();
bombClock++;
if(bombClock >= BOMB_LIMIT){
bombClock = 0;
bombing = FALSE;
}
} else if(controls.c && playerBombs > 0){
bombing = TRUE;
playerBombs -= 1;
}
}
// get hit
void updatePlayerHit(){
if(hitPlayer){
hitPlayer = FALSE;
playerRecovering = TRUE;
playerPos.x = PLAYER_INIT_X;
playerPos.y = PLAYER_INIT_Y;
playerLives -= 1;
noMiss = FALSE;
XGM_startPlayPCM(random() % 2 < 1 ? SFX_EXPLOSION_1 : SFX_EXPLOSION_2, 1, SOUND_PCM_CH4);
spawnExplosion(fix16ToInt(playerPos.x), fix16ToInt(playerPos.y), TRUE);
// if(playerLives < 0) playerLives = 0;
if(playerLives < 0) gameOver = TRUE;
}
if(!gameOver && playerRecovering){
if(recoverClock % RECOVER_INTERVAL == 0) SPR_setVisibility(playerSprite, HIDDEN);
else if(recoverClock % RECOVER_INTERVAL == RECOVER_INTERVAL_HALF) SPR_setVisibility(playerSprite, VISIBLE);
recoverClock++;
if(recoverClock >= RECOVER_MAX){
SPR_setVisibility(playerSprite, VISIBLE);
recoverClock = 0;
playerRecovering = FALSE;
}
}
}
// loop
void loadPlayer(){
playerShotClock = PLAYER_SHOT_INTERVAL;
playerPos.x = PLAYER_INIT_X;
playerPos.y = PLAYER_INIT_Y;
playerSprite = SPR_addSprite(&imgPlayer, playerPos.x, playerPos.y, TILE_ATTR(PAL1, 1, FALSE, FALSE));
SPR_setDepth(playerSprite, 4);
for(s16 i = 0; i < PLAYER_BULLET_LIMIT; i++){
playerBullets[i].image = SPR_addSprite(&imgBullet, PLAYER_BULLET_DUMP_X, PLAYER_BULLET_DUMP_Y, TILE_ATTR(PAL1, 1, FALSE, FALSE));
SPR_setDepth(playerBullets[i].image, 4);
}
}
void resetPlayer(){
playerPos.x = PLAYER_INIT_X;
playerPos.y = PLAYER_INIT_Y;
SPR_releaseSprite(playerSprite);
for(s16 i = 0; i < PLAYER_BULLET_LIMIT; i++) if(playerBullets[i].active){
playerBullets[i].active = FALSE;
SPR_releaseSprite(playerBullets[i].image);
}
}
void updatePlayer(){
if(zoneStarting) loadPlayer();
else {
updatePlayerBullets();
if(!gameOver && !paused){
if(zoneOver) SPR_setVisibility(playerSprite, HIDDEN);
else {
updatePlayerMove();
updatePlayerHit();
}
updatePlayerShot();
updatePlayerBomb();
} else if(gameOver) resetPlayer();
}
}