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shit!

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t. boddy 2026-02-16 17:00:35 -05:00
parent 1702a06d9f
commit 364a34ce33
20 changed files with 453 additions and 64 deletions
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67
src/global.h
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@ -50,15 +50,16 @@ void updateControls(u16 joy, u16 changed, u16 state){
struct playerStruct {
Vect2D_f32 pos, vel;
s16 shotAngle;
u8 lives;
u8 lives, recoveringClock;
fix32 camera, yCamera;
Sprite* image;
};
struct playerStruct player;
bool killBullets;
// bullets
#define BULLET_COUNT 64
#define BULLET_COUNT 70
struct bulletSpawner {
fix32 x, y, speed;
@ -92,6 +93,31 @@ struct enemy {
};
struct enemy enemies[ENEMY_COUNT];
// humans
#define HUMAN_COUNT 8
#define HUMAN_WALKING 0
#define HUMAN_CARRIED 1
#define HUMAN_FALLING 2
struct human {
bool active;
u8 state;
s16 carriedBy;
Vect2D_f32 pos, vel;
Sprite* image;
};
struct human humans[HUMAN_COUNT];
bool humanBeingCarried;
void killHuman(u8 i){
if(humans[i].state == HUMAN_CARRIED && humans[i].carriedBy >= 0){
enemies[humans[i].carriedBy].ints[3] = -1;
humanBeingCarried = FALSE;
}
humans[i].active = FALSE;
SPR_releaseSprite(humans[i].image);
}
void killBullet(u8 i, bool explode){
if(explode){
if(bullets[i].player){
@ -120,6 +146,16 @@ void killBullet(u8 i, bool explode){
}
void killEnemy(u8 i){
if(enemies[i].ints[3] >= 0){
s16 h = enemies[i].ints[3];
if(humans[h].active){
humans[h].state = HUMAN_FALLING;
humans[h].carriedBy = -1;
humans[h].vel.x = 0;
humans[h].vel.y = FIX32(2);
}
humanBeingCarried = FALSE;
}
enemies[i].active = FALSE;
SPR_releaseSprite(enemies[i].image);
}
@ -142,4 +178,31 @@ static s16 getScreenX(fix32 worldX, fix32 camera) {
screenX -= GAME_WRAP;
}
return fix32ToInt(screenX);
}
// homing
#define PI_MOD 2.84444444444
#define PI_F FIX16(3.14159265358 * PI_MOD)
#define PI_F_2 FIX16(1.57079632679 * PI_MOD)
#define PI_F_4 FIX16(0.78539816339 * PI_MOD)
fix16 arctan(fix16 x) {
return fix16Mul(PI_F_4, x) - fix16Mul(fix16Mul(x, (abs(x) - 1)), (FIX16(0.245) + fix16Mul(FIX16(0.066), abs(x))));
}
fix16 arctan2(fix16 y, fix16 x) {
return x >= 0 ?
(y >= 0 ? (y < x ? arctan(fix16Div(y, x)) : PI_F_2 - arctan(fix16Div(x, y))) : (-y < x ? arctan(fix16Div(y, x)) : -PI_F_2 - arctan(fix16Div(x, y)))) :
(y >= 0 ? (y < -x ? arctan(fix16Div(y, x)) + PI_F : PI_F_2 - arctan(fix16Div(x, y))) : (-y < -x ? arctan(fix16Div(y, x)) - PI_F : -PI_F_2 - arctan(fix16Div(x, y))));
}
s16 arcAngle;
s16 honeAngle(fix16 x1, fix16 x2, fix16 y1, fix16 y2){
arcAngle = arctan2(y2 - y1, x2 - x1);
if(arcAngle >= 128) arcAngle -= 32;
if(arcAngle >= 384) arcAngle -= 32;
if(arcAngle < 0){
arcAngle = 1024 + arcAngle;
if(arcAngle < 896) arcAngle += 32;
if(arcAngle < 640) arcAngle += 32;
}
return arcAngle;
}