stevenhowes/CTheEscape
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Varying projectile speeds and styles

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stevenhowes
2021-03-22 22:25:00 +00:00
parent a85e9d3ce7
commit eb2a4def6a
3 changed files with 67 additions and 13 deletions
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c/CTheEscape
+66 -12
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@@ -24,8 +24,8 @@ extern int current_element;
#define MAX_STARS 49
#define MAX_PROJECTILES 10
enum sprite_e{player_ship, durno_ship, ship_trgt, durno_ship2, ship2_trgt, player_shipl,player_shipr,explode_start,explode_shp2,explode_shp3,explode_shp4,explode_shp5,explode_shp6,explode_shp7,explode_end,photon1,photon2};
char *sprites[] = {"player_ship","durno_ship","ship_trgt","durno_ship2","ship2_trgt","player_shipl","player_shipr","explode_shp1","explode_shp2","explode_shp3","explode_shp4","explode_shp5","explode_shp6","explode_shp7","explode_shp8","photon1","photon2"};
enum sprite_e{player_ship, durno_ship, ship_trgt, durno_ship2, ship2_trgt, player_shipl,player_shipr,explode_start,explode_shp2,explode_shp3,explode_shp4,explode_shp5,explode_shp6,explode_shp7,explode_end,photon1,photon2,plasma1,plasma2};
char *sprites[] = {"player_ship","durno_ship","ship_trgt","durno_ship2","ship2_trgt","player_shipl","player_shipr","explode_shp1","explode_shp2","explode_shp3","explode_shp4","explode_shp5","explode_shp6","explode_shp7","explode_shp8","photon1","photon2","plasma1","plasma2"};
char hudbuffer[63];
@@ -48,6 +48,8 @@ struct NPC_s {
struct EntityLocation_s location;
enum sprite_e idlesprite;
enum sprite_e sprite;
enum sprite_e weaponspritestart;
enum sprite_e weaponspriteend;
enum npctype_e npctype;
struct EntityLocation_s velocity;
int health;
@@ -58,6 +60,7 @@ struct NPC_s {
int explodenextframe;
int nextfire;
int fireinterval;
int firewidth;
};
struct Star_s {
@@ -90,6 +93,8 @@ struct Player_s {
struct Projectile_s {
struct EntityLocation_s location;
enum sprite_e sprite;
enum sprite_e spritestart;
enum sprite_e spriteend;
struct EntityLocation_s velocity;
int collidable;
int nextframe;
@@ -102,6 +107,7 @@ struct NPC_s NPCS[MAX_NPCS];
struct Projectile_s Projectiles[MAX_PROJECTILES];
struct Player_s Player;
extern void game_respawn_npc(int id);
int tick = 0;
int lasttick = 0;
@@ -182,7 +188,7 @@ void intro()
}
}
void game_spawn_projectile(int id, int Px, int Py, int Vx, int Vy,enum sprite_e sprite, int damage)
void game_spawn_projectile(int id, int Px, int Py, int Vx, int Vy, enum sprite_e spritestart, enum sprite_e spriteend, int damage)
{
int i;
@@ -198,17 +204,20 @@ void game_spawn_projectile(int id, int Px, int Py, int Vx, int Vy,enum sprite_e
// If no velocity X specified we're targetting the player
if(Vx == 0)
{
int V;
int Xdistance = abs((Player.location.X + (Player.hitbox_tr.X/2)) - Px);
int Ydistance = abs((Player.location.Y + (Player.hitbox_tr.Y/2)) - Py);
int distance = sqrt((Xdistance^2) + (Ydistance^2));
Vx = Xdistance / (distance / 10);
Vy = Ydistance / (distance / 10);
V = Vy;
Vx = Xdistance / (distance / Vy);
Vy = Ydistance / (distance / Vy);
if(Player.location.X > Px)
Vx = 0 - Vx;
}
// If it's too close to horizontal you can't dodge
if(Vy < 2)
if(Py < (Player.location.X + 100))
id = -1;
//If no free IDs then we go without
@@ -219,7 +228,9 @@ void game_spawn_projectile(int id, int Px, int Py, int Vx, int Vy,enum sprite_e
Projectiles[id].velocity.X = Vx;
Projectiles[id].velocity.Y = Vy;
Projectiles[id].active = 1;
Projectiles[id].sprite = sprite;
Projectiles[id].sprite = spritestart;
Projectiles[id].spritestart = spritestart;
Projectiles[id].spriteend = spriteend;
Projectiles[id].nextframe = tick + 10;
Projectiles[id].damage = damage;
Projectiles[id].collidable = 1;
@@ -372,6 +383,9 @@ void game_draw_projectiles()
continue;
draw_sprite(sprites[Projectiles[i].sprite], Projectiles[i].location.X,Projectiles[i].location.Y);
Projectiles[i].sprite++;
if(Projectiles[i].sprite > Projectiles[i].spriteend)
Projectiles[i].sprite = Projectiles[i].spritestart;
}
}
@@ -452,9 +466,11 @@ void game_respawn_npc(int id)
{
NPCS[id].location.X = rand() % DISPLAY_X;
NPCS[id].location.Y = DISPLAY_Y + (rand() % (DISPLAY_Y/2));
NPCS[id].npctype = rand() % (maxnpctype);
if((rand() % 10) > 3)
NPCS[id].npctype = littledurno;
else
NPCS[id].npctype = bigdurno;
NPCS[id].collidable = 1;
NPCS[id].fireinterval = 200;
NPCS[id].nextfire = tick + (rand() % 100);
switch(NPCS[id].npctype)
{
@@ -469,18 +485,26 @@ void game_respawn_npc(int id)
NPCS[id].hitbox_tr.X = 48;
NPCS[id].hitbox_tr.Y = 74;
NPCS[id].collideforce = 1000;
NPCS[id].weaponspritestart = photon1;
NPCS[id].weaponspriteend = photon2;
NPCS[id].fireinterval = 200;
NPCS[id].firewidth = 400;
break;
case littledurno:
NPCS[id].idlesprite = durno_ship2;
NPCS[id].sprite = durno_ship2;
NPCS[id].velocity.X = (rand() % 3) - 1;
NPCS[id].velocity.Y = (rand() % 2) + 6;
NPCS[id].velocity.X = (rand() % 3) + 2;
NPCS[id].velocity.Y = (rand() % 2) + 3;
NPCS[id].health = 30;
NPCS[id].hitbox_bl.X = 0;
NPCS[id].hitbox_bl.Y = 0;
NPCS[id].hitbox_tr.X = 38;
NPCS[id].hitbox_tr.Y = 56;
NPCS[id].collideforce = 50;
NPCS[id].weaponspritestart = plasma1;
NPCS[id].weaponspriteend = plasma2;
NPCS[id].fireinterval = 10;
NPCS[id].firewidth = 60;
break;
};
}
@@ -502,6 +526,25 @@ void game_tick_npcs()
NPCS[i].location.Y -= (tick - lasttick) * NPCS[i].velocity.Y;
NPCS[i].location.X -= (tick - lasttick) * NPCS[i].velocity.X;
if(NPCS[i].npctype == littledurno)
{
if(NPCS[i].location.Y > (Player.location.Y + 500))
{
if(abs(NPCS[i].location.X - Player.location.X) > 100)
{
if(NPCS[i].location.X < Player.location.X)
NPCS[i].velocity.X = 0 - abs(NPCS[i].velocity.X);
else
NPCS[i].velocity.X = abs(NPCS[i].velocity.X);
}
}else{
if(NPCS[i].velocity.X > 0)
NPCS[i].velocity.X = 1;
else
NPCS[i].velocity.X = -1;
}
}
if(NPCS[i].location.Y + NPCS[i].hitbox_tr.Y <= 0)
game_respawn_npc(i);
@@ -510,14 +553,23 @@ void game_tick_npcs()
if((NPCS[i].location.X + NPCS[i].hitbox_bl.X) < 0)
game_respawn_npc(i);
if(tick > NPCS[i].nextfire)
{
// Dont fire if off screen
if((NPCS[i].location.Y < DISPLAY_Y))
game_spawn_projectile(-1,NPCS[i].location.X, NPCS[i].location.Y, 0, NPCS[i].velocity.Y, photon1, 30);
{
if((NPCS[i].firewidth == -1) || (abs(Player.location.X - NPCS[i].location.X) < NPCS[i].firewidth))
{
if(NPCS[i].weaponspritestart == photon1)
game_spawn_projectile(-1,NPCS[i].location.X, NPCS[i].location.Y, 0, 10, NPCS[i].weaponspritestart, NPCS[i].weaponspriteend, 50);
else
game_spawn_projectile(-1,NPCS[i].location.X, NPCS[i].location.Y, 0, 40, NPCS[i].weaponspritestart, NPCS[i].weaponspriteend, 5);
NPCS[i].nextfire = tick + NPCS[i].fireinterval;
}
}
}
}
}
void game_draw_debugmenu()
@@ -653,6 +705,8 @@ void game_player_targets_tick()
{
if(!NPCS[i].collidable)
continue;
if(NPCS[i].location.Y > (DISPLAY_Y-200))
continue;
LeftCornerX = NPCS[i].location.X + NPCS[i].hitbox_bl.X;
LeftCornerY = NPCS[i].location.Y + NPCS[i].hitbox_bl.Y;
RightCornerX = NPCS[i].location.X + NPCS[i].hitbox_tr.X;