97 lines
No EOL
2.1 KiB
C
97 lines
No EOL
2.1 KiB
C
typedef enum Weapon_Class {
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WEAPON_nil = 0,
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WEAPON_melee = 1,
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WEAPON_ranged = 2,
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WEAPON_magic = 3,
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} Weapon_Class;
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typedef enum Entity_Archetype {
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ARCH_nil = 0,
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ARCH_player = 1,
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ARCH_spider = 2,
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ARCH_mutant = 3,
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ARCH_tree = 4,
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ARCH_startersword = 5,
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ARCH_starterbow = 6,
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ARCH_arrow = 7,
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} Entity_Archetype;
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typedef struct Entity {
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bool alive;
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bool renderable;
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Entity_Archetype arch;
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Vector2 pos;
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bool is_animate;
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float32 health, damage;
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Vector2 hitbox[4];
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Entity_Archetype primary_weapon;
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Entity_Archetype secondary_weapon;
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bool is_weapon;
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Weapon_Class weapon_class;
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Vector2 weapon_owner_pos;
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Vector2 weapon_dir;
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float32 weapon_rads;
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float32 weapon_speed;
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float32 weapon_cooldown_secs;
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bool is_item;
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Vector2 item_inv_size;
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bool is_projectile;
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float32 projectile_range;
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Vector2 projectile_fire_dir;
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Vector2 projectile_start_pos;
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float32 projectile_speed;
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} Entity;
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#define MAX_ENTITIES 1024
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typedef struct World {
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Entity entities[MAX_ENTITIES];
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} World;
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World* world = 0;
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Entity* entity_create() {
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Entity* entity_found = 0;
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for (int i = 0; i < MAX_ENTITIES; i++) {
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Entity* existing_entity = &world->entities[i];
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if (!existing_entity->alive) {
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entity_found = existing_entity;
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break;
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}
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}
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assert(entity_found, "Entity Overflow!");
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entity_found->alive = true;
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return entity_found;
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}
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void entity_destroy(Entity* entity) {
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memset(entity, 0, sizeof(Entity));
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}
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bool entity_increment(Entity **entity_ptr)
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{
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Entity *entity = *entity_ptr;
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int start_index = 0;
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if(entity != 0)
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{
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start_index = (entity - world->entities) + 1;
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}
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entity = 0;
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for(int idx = start_index; idx < MAX_ENTITIES; idx += 1)
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{
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entity = &world->entities[idx];
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if(entity->alive)
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{
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break;
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}
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}
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*entity_ptr = entity;
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return !!entity;
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}
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Vector2* entity_resolve_hitbox(Entity* en) {
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Vector2* hitbox = alloc(get_temporary_allocator(), sizeof(Vector2) * 4);
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hitbox[0] = v2_add(en->hitbox[0], en->pos);
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hitbox[1] = v2_add(en->hitbox[1], en->pos);
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hitbox[2] = v2_add(en->hitbox[2], en->pos);
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hitbox[3] = v2_add(en->hitbox[3], en->pos);
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return hitbox;
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} |