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Files
OpenRCT2/src/world/balloon.c
2015-08-22 12:11:20 +01:00

84 lines
1.6 KiB
C

#include "../audio/audio.h"
#include "../scenario.h"
#include "sprite.h"
/**
*
* rct2: 0x006736C7
*/
void create_balloon(int x, int y, int z, int colour, uint8 bl)
{
rct_sprite* sprite = create_sprite(2);
if (sprite != NULL) {
sprite->balloon.var_14 = 13;
sprite->balloon.var_09 = 22;
sprite->balloon.var_15 = 11;
sprite->balloon.sprite_identifier = SPRITE_IDENTIFIER_MISC;
sprite_move(x, y, z, sprite);
sprite->balloon.misc_identifier = SPRITE_MISC_BALLOON;
sprite->balloon.var_26 = 0;
sprite->balloon.colour = colour;
sprite->balloon.popped = bl;
}
}
void balloon_pop(rct_balloon *balloon)
{
balloon->popped = 1;
balloon->var_26 = 0;
sound_play_panned(SOUND_BALLOON_POP, 0x8001, balloon->x, balloon->y, balloon->z);
}
/**
*
* rct: 0x0067342C
*/
void balloon_update(rct_balloon *balloon)
{
invalidate_sprite_2((rct_sprite*)balloon);
if (balloon->popped == 1) {
balloon->var_26 += 256;
if (balloon->var_26 >= 1280)
sprite_remove((rct_sprite*)balloon);
return;
}
int original_var26a = balloon->var_26a;
balloon->var_26a += 85;
if (original_var26a < 255 - 85)
return;
balloon->var_26b++;
sprite_move(balloon->x, balloon->y, balloon->z + 1, (rct_sprite*)balloon);
int maxZ = 1967 - ((balloon->x ^ balloon->y) & 31);
if (balloon->z < maxZ)
return;
balloon_pop(balloon);
}
/**
*
* rct2: 0x006E88ED
*/
void balloon_press(rct_balloon *balloon)
{
if (balloon->popped == 1)
return;
uint32 random = rand();
if ((balloon->var_0A & 7) || (random & 0xFFFF) < 0x2000) {
balloon_pop(balloon);
return;
}
sprite_move(
balloon->x + ((random & 0x80000000) ? -6 : 6),
balloon->y,
balloon->z,
(rct_sprite*)balloon
);
}